/* roulang page: index */
:root{
  --c-deep:#0B3C43;
  --c-primary:#10626D;
  --c-primary-soft:#E3F0F0;
  --c-accent:#F2603C;
  --c-accent-soft:#FFE9E1;
  --c-mint:#7FBFB0;
  --c-bg:#FBF8F3;
  --c-surface:#FFFFFF;
  --c-text:#1F2C2B;
  --c-muted:#5D6F6D;
  --c-line:#DDE7E4;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,60,67,.06);
  --sh-2:0 10px 30px -12px rgba(11,60,67,.18);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

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

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;height:64px;
  display:flex;align-items:center;gap:20px;
}
.logo{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.logo-mark{font-size:19px;font-weight:700;color:var(--c-deep);letter-spacing:.01em;}
.logo-sub{
  font-size:12.5px;line-height:1;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:999px;padding:5px 10px;
}
.main-nav{display:flex;align-items:center;margin:0 auto;}
.nav-link{
  position:relative;height:64px;display:inline-flex;align-items:center;
  padding:0 16px;font-size:15.5px;color:var(--c-muted);
  transition:color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;color:var(--c-deep);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);border-color:var(--c-mint);color:var(--c-primary);}
.hamburger{
  display:none;width:40px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-deep);border-radius:2px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:14px 26px;font-size:15.5px;font-weight:600;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn:active{transform:translateY(1px);}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:#DE4E2B;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(242,96,60,.85);}
.btn-outline{background:#fff;color:var(--c-deep);border-color:var(--c-line);}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-mint);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:8px 0;font-weight:600;gap:6px;}
.btn-ghost:hover{transform:translateX(3px);}
.btn-sm{padding:10px 18px;font-size:14.5px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;}

/* ---------- 标签与徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;padding:6px 12px;border-radius:999px;
}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-accent .dot{width:6px;height:6px;border-radius:50%;background:#fff;}

/* ---------- 首屏 ---------- */
.hero{background:linear-gradient(180deg,#F3FAFA 0%,var(--c-bg) 100%);border-bottom:1px solid var(--c-line);}
.hero-inner{
  display:grid;grid-template-columns:55% 45%;
  height:clamp(560px,calc(100vh - 64px),660px);
}
.hero-content{
  display:flex;flex-direction:column;justify-content:center;
  padding:48px 44px 48px 0;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  font-size:13px;color:var(--c-primary);background:var(--c-primary-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:22px;
}
.hero h1{
  font-size:42px;line-height:1.22;color:var(--c-deep);margin-bottom:18px;
  letter-spacing:-.01em;
}
.hero-sub{font-size:17px;color:var(--c-muted);max-width:520px;margin-bottom:28px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:32px;
  padding-top:24px;border-top:1px solid var(--c-line);
}
.stat{display:flex;align-items:flex-start;gap:10px;}
.stat-icon{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.stat-num{font-size:17px;font-weight:700;color:var(--c-deep);line-height:1.4;font-variant-numeric:tabular-nums;}
.stat-label{font-size:13px;color:var(--c-muted);line-height:1.5;}

.hero-visual{
  position:relative;margin:24px 0;border-radius:var(--r-card);overflow:hidden;
  background-color:var(--c-deep);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-visual::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(11,60,67,.86),rgba(16,98,109,.58));
}
.hero-visual::after{
  content:"";position:absolute;inset:0;opacity:.08;
  background-image:
    radial-gradient(circle at 50% 100%,transparent 62%,#FFFFFF 63%),
    radial-gradient(circle at 50% 100%,transparent 62%,#FFFFFF 63%);
  background-size:64px 32px;
  background-position:0 0,32px 16px;
  background-repeat:repeat;
}
.visual-card{
  position:absolute;left:24px;right:24px;bottom:24px;z-index:3;
  background:#fff;border-radius:12px;padding:18px 20px;box-shadow:var(--sh-2);
}
.visual-card h3{font-size:16px;color:var(--c-deep);margin-bottom:8px;}
.visual-card p{font-size:14px;line-height:1.7;color:var(--c-muted);margin:0;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section-head{margin-bottom:38px;max-width:760px;}
.sec-title{
  position:relative;padding-left:16px;font-size:30px;line-height:1.3;color:var(--c-deep);
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--c-primary);
}
.sec-desc{margin-top:14px;font-size:16px;color:var(--c-muted);line-height:1.8;}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:38px;flex-wrap:wrap;
}
.section-head-row .section-head{margin-bottom:0;}

/* ---------- 优惠阶梯 ---------- */
.tiers{display:flex;flex-direction:column;gap:18px;}
.tier{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 28px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.tier:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.tier-1{margin-right:180px;background:#F7FBFB;}
.tier-2{margin-right:120px;background:#EFF7F7;}
.tier-3{margin-right:60px;background:#E7F2F2;}
.tier-4{margin-right:0;background:var(--c-primary-soft);border-color:var(--c-mint);}
.tier-main{display:flex;gap:20px;align-items:flex-start;min-width:0;}
.tier-num{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--c-primary);
  letter-spacing:.1em;font-variant-numeric:tabular-nums;
  padding-top:6px;
}
.tier h3{font-size:20px;color:var(--c-deep);margin-bottom:8px;}
.tier-list li{
  position:relative;padding-left:16px;font-size:15px;line-height:1.7;color:var(--c-muted);
}
.tier-list li + li{margin-top:4px;}
.tier-list li::before{
  content:"";position:absolute;left:0;top:.66em;width:6px;height:6px;
  border-radius:50%;background:var(--c-mint);
}

/* ---------- 套餐对比 ---------- */
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.compare-table{min-width:780px;font-size:15px;}
.compare-table th,.compare-table td{
  padding:16px 20px;border-bottom:1px solid var(--c-line);
  text-align:left;vertical-align:middle;
}
.compare-table thead th{background:#F4FAFA;color:var(--c-deep);font-size:15px;}
.compare-table tbody th{font-weight:600;color:var(--c-deep);background:#FCFDFD;width:150px;}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:none;}
.col-feature{background:var(--c-deep)!important;color:#fff!important;}
.col-feature .cell-sub{display:block;font-size:12.5px;color:#B8D2D2;margin-top:4px;}
.compare-table thead th.col-feature{position:relative;}
.recommend-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-accent);color:#fff;font-size:12.5px;line-height:1;
  padding:5px 10px;border-radius:999px;margin-left:8px;
}
.scroll-hint{display:none;font-size:13px;color:var(--c-muted);margin-top:10px;}
.compare-foot{
  margin-top:22px;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;font-size:14px;color:var(--c-muted);
}

/* ---------- 限时入口 ---------- */
.section-entry{
  position:relative;background:var(--c-primary-soft);
  padding:104px 0 88px;
}
.section-entry::before{
  content:"";position:absolute;left:0;right:0;top:0;height:56px;
  background:var(--c-bg);
  clip-path:polygon(0 0,100% 0,0 100%);
}
.entry-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:center;
}
.countdown-boxes{display:flex;gap:12px;margin:26px 0 18px;}
.cd-cell{
  min-width:88px;background:#fff;border:1px solid var(--c-line);
  border-bottom:3px solid var(--c-accent);border-radius:12px;
  padding:16px 12px 12px;text-align:center;box-shadow:var(--sh-1);
}
.cd-num{font-size:32px;font-weight:700;color:var(--c-deep);line-height:1.1;font-variant-numeric:tabular-nums;}
.cd-label{font-size:12.5px;color:var(--c-muted);margin-top:6px;}
.countdown-note{font-size:14px;color:var(--c-muted);line-height:1.75;max-width:420px;}
.steps{display:flex;flex-direction:column;gap:18px;margin-bottom:28px;}
.step{display:flex;gap:16px;align-items:flex-start;}
.step-num{
  flex:0 0 42px;height:42px;border-radius:12px;background:#fff;
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;box-shadow:var(--sh-1);font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:17px;color:var(--c-deep);margin-bottom:4px;}
.step-body p{font-size:15px;color:var(--c-muted);margin:0;line-height:1.7;}
.entry-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft);}
.media img{width:100%;height:100%;object-fit:cover;}
.media img.is-broken{display:none;}
.media .media-fallback{
  position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  text-align:center;padding:16px;font-size:14px;color:var(--c-primary);
  background:var(--c-primary-soft);line-height:1.6;
}
.media.is-fallback .media-fallback{display:flex;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-title{
  font-size:18px;line-height:1.45;font-weight:700;color:var(--c-deep);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title:hover{color:var(--c-primary);}
.news-summary{
  font-size:15px;line-height:1.7;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-muted);
}
.news-more{font-size:13px;color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.news-card:hover .news-more{color:var(--c-accent);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state svg{color:var(--c-mint);margin-bottom:14px;}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:14px;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 4px;font-size:17px;font-weight:600;color:var(--c-deep);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-arrow{flex:0 0 auto;color:var(--c-mint);transition:transform .24s ease;}
.faq-item[open] .faq-arrow{transform:rotate(180deg);}
.faq-answer{
  padding:0 4px 22px;max-width:760px;
  font-size:15.5px;line-height:1.75;color:var(--c-muted);
}

/* ---------- 咨询表单 ---------- */
.consult-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start;}
.consult-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--c-muted);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-input);font-size:15.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(16,98,109,.12);
}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--c-accent);}
.field-error{display:none;font-size:12.5px;color:var(--c-accent);margin-top:6px;}
.field.has-error .field-error{display:block;}
.form-note{font-size:13px;color:var(--c-muted);margin-top:14px;line-height:1.7;}
.form-msg{
  display:none;margin-top:14px;font-size:14px;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:10px;padding:12px 16px;
}
.form-msg.is-show{display:block;}
.consult-info h3{font-size:20px;color:var(--c-deep);margin-bottom:12px;}
.info-list{margin-top:22px;border-top:1px solid var(--c-line);}
.info-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--c-line);
  font-size:15px;color:var(--c-muted);line-height:1.7;
}
.info-list .info-key{flex:0 0 92px;color:var(--c-deep);font-weight:600;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:#C7D8D8;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px;}
.footer-brand .logo-mark{color:#fff;}
.footer-brand .logo-sub{background:rgba(255,255,255,.12);color:#DFF0EE;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#A9C2C2;max-width:320px;}
.footer-grid h4{font-size:16px;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14.5px;color:#C7D8D8;transition:color .2s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#9FB6B6;line-height:1.8;
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,60,67,.45);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;
  background:#fff;z-index:90;transform:translateX(100%);
  transition:transform .3s ease;display:flex;flex-direction:column;
  padding:20px 22px;box-shadow:-16px 0 40px -20px rgba(11,60,67,.4);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-title{font-size:16px;font-weight:700;color:var(--c-deep);}
.drawer-close{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;
  color:var(--c-deep);
}
.drawer-link{
  display:flex;align-items:center;height:52px;font-size:17px;
  color:var(--c-text);border-bottom:1px solid var(--c-line);
}
.drawer-link.is-active{color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:auto;padding-top:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .tier-1{margin-right:120px;}
  .tier-2{margin-right:80px;}
  .tier-3{margin-right:40px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .container{padding:0 24px;}
  .header-inner{padding:0 24px;}
  .main-nav{display:none;}
  .hamburger{display:flex;}
  .hero-inner{display:block;height:auto;max-height:none;}
  .hero-content{padding:44px 0 34px;}
  .hero h1{font-size:32px;line-height:1.28;}
  .hero-sub{max-width:none;}
  .hero-visual{height:240px;margin:0 0 36px;}
  .visual-card{left:16px;right:16px;bottom:16px;padding:14px 16px;}
  .sec-title{font-size:26px;}
  .tier-1,.tier-2,.tier-3,.tier-4{margin-right:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .entry-grid{grid-template-columns:1fr;gap:36px;}
  .consult-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .scroll-hint{display:block;}
}
@media (max-width:559px){
  :root{--sec:44px;}
  .container{padding:0 18px;}
  .header-inner{padding:0 18px;height:56px;gap:10px;}
  .logo-mark{font-size:17px;}
  .logo-sub{font-size:11.5px;padding:4px 8px;}
  .header-actions .btn-sm{display:none;}
  .hero h1{font-size:28px;line-height:1.3;}
  .hero-sub{font-size:16px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{width:100%;}
  .hero-stats{gap:18px;}
  .sec-title{font-size:22px;}
  .sec-desc{font-size:15px;}
  .section-head-row{margin-bottom:28px;}
  .tier{padding:20px 18px;flex-direction:column;align-items:flex-start;}
  .tier .btn{width:100%;}
  .news-grid{grid-template-columns:1fr;}
  .cd-cell{min-width:74px;padding:12px 8px 10px;}
  .cd-num{font-size:26px;}
  .entry-actions .btn{width:100%;}
  .entry-actions{flex-direction:column;align-items:stretch;}
  .consult-card{padding:20px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .compare-foot{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --c-deep:#0B3C43;
  --c-primary:#10626D;
  --c-primary-soft:#E3F0F0;
  --c-accent:#F2603C;
  --c-accent-soft:#FFE9E1;
  --c-mint:#7FBFB0;
  --c-bg:#FBF8F3;
  --c-surface:#FFFFFF;
  --c-text:#1F2C2B;
  --c-muted:#5D6F6D;
  --c-line:#DDE7E4;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(11,60,67,.06);
  --sh-2:0 10px 30px -12px rgba(11,60,67,.18);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:64px;
}
.logo{
  display:flex;
  align-items:baseline;
  gap:6px;
  flex-shrink:0;
}
.logo-mark{
  font-size:20px;
  font-weight:800;
  color:var(--c-deep);
  line-height:1;
}
.logo-sub{
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  line-height:1;
}
.main-nav{
  display:flex;
  align-items:stretch;
  gap:26px;
  margin-left:6px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  font-size:15.5px;
  color:var(--c-text);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:11px;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-muted);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary-soft);}
.icon-btn svg{width:18px;height:18px;}
.menu-btn{
  display:none;
  width:38px;height:38px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-deep);
}
.menu-btn svg{width:20px;height:20px;}

/* ============ 按钮系统 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  transition:background .24s ease,color .24s ease,transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#DD4E2C;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:var(--c-surface);color:var(--c-deep);border:1px solid var(--c-line);}
.btn-secondary:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  padding:6px 0;
}
.btn-ghost svg{width:15px;height:15px;transition:transform .24s ease;}
.btn-ghost:hover svg{transform:translateX(4px);}
.btn:disabled,.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;}

/* ============ 徽章与标签 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  line-height:1.6;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-weight:600;
}
.tag-accent{
  background:var(--c-accent);
  color:#fff;
  gap:6px;
}
.tag-accent::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:#fff;
}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,60,67,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:82vw;
  max-width:340px;
  background:var(--c-surface);
  z-index:100;
  transform:translateX(102%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
  padding:22px 22px 30px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--c-line);
}
.drawer-close{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  color:var(--c-deep);
}
.drawer-close svg{width:18px;height:18px;}
.drawer-nav{margin-top:14px;display:flex;flex-direction:column;}
.drawer-nav a{
  font-size:17px;
  line-height:52px;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line);
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--c-primary);padding-left:6px;}
.drawer-cta{margin-top:26px;}
.drawer-cta .btn{width:100%;}

/* ============ 正文区块 ============ */
.article-section{
  padding:34px 0 0;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--c-muted);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--c-muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{
  max-width:46ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--c-text);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--c-mint);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;
  height:2px;
  background:var(--c-mint);
  border-radius:2px;
}
.article-head{
  max-width:860px;
  padding-bottom:26px;
  border-bottom:1px solid var(--c-line);
}
.article-title{
  font-size:42px;
  line-height:1.22;
  color:var(--c-deep);
  margin-bottom:18px;
  overflow-wrap:break-word;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  font-size:13px;
  color:var(--c-muted);
}
.article-meta .dot{
  width:4px;height:4px;
  border-radius:50%;
  background:var(--c-line);
}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:56px;
  padding:44px 0 var(--sec-y);
}
.article-body{min-width:0;}

.prose{
  max-width:760px;
  font-size:16.5px;
  line-height:1.95;
  color:var(--c-text);
}
.prose > *:first-child{margin-top:0;}
.prose p{margin:0 0 18px;}
.prose h2{
  font-size:28px;
  line-height:1.35;
  color:var(--c-deep);
  margin:48px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--c-primary);
}
.prose h3{
  font-size:22px;
  line-height:1.4;
  color:var(--c-deep);
  margin:34px 0 14px;
}
.prose h4{
  font-size:18px;
  line-height:1.45;
  color:var(--c-deep);
  margin:26px 0 12px;
}
.prose ul,.prose ol{
  margin:0 0 20px;
  padding-left:24px;
  line-height:1.9;
}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin-bottom:8px;}
.prose li::marker{color:var(--c-mint);}
.prose blockquote{
  margin:24px 0;
  padding:20px;
  border-left:3px solid var(--c-mint);
  background:var(--c-primary-soft);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-muted);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{
  max-width:100%;
  border-radius:var(--r-img);
  margin:26px auto;
}
.prose figure{margin:26px 0;}
.prose figcaption{
  font-size:13px;
  color:var(--c-muted);
  text-align:center;
  margin-top:10px;
}
.prose table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  line-height:1.7;
}
.prose th,.prose td{
  border:1px solid var(--c-line);
  padding:11px 14px;
  text-align:left;
  vertical-align:top;
}
.prose th{background:var(--c-primary-soft);font-weight:700;color:var(--c-deep);}
.prose a{
  color:var(--c-primary);
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color .2s ease;
}
.prose a:hover{color:var(--c-accent);}
.prose hr{
  border:0;
  border-top:1px solid var(--c-line);
  margin:36px 0;
}
.prose code{
  background:var(--c-primary-soft);
  padding:2px 6px;
  border-radius:6px;
  font-size:14.5px;
}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:56px 32px;
  text-align:center;
}
.empty-state svg{
  width:52px;height:52px;
  color:var(--c-mint);
  margin:0 auto 18px;
}
.empty-state h2{
  font-size:22px;
  color:var(--c-deep);
  margin-bottom:10px;
}
.empty-state p{
  color:var(--c-muted);
  font-size:15px;
  margin-bottom:20px;
}

/* ============ 侧栏 ============ */
.article-side{
  position:relative;
}
.side-sticky{
  position:sticky;
  top:88px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px;
}
.side-card h3{
  font-size:16px;
  color:var(--c-deep);
  margin-bottom:14px;
  padding-left:10px;
  border-left:4px solid var(--c-primary);
  line-height:1.4;
}
.side-links li + li{border-top:1px solid var(--c-line);}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 0;
  font-size:15px;
  color:var(--c-text);
  transition:color .2s ease;
}
.side-links a svg{
  width:14px;height:14px;
  color:var(--c-mint);
  flex-shrink:0;
  transition:transform .24s ease;
}
.side-links a:hover{color:var(--c-primary);}
.side-links a:hover svg{transform:translateX(4px);}
.side-note{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.8;
  margin-bottom:16px;
}
.side-card .btn{width:100%;}

.toc-mobile{
  display:none;
  margin-bottom:26px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.toc-mobile summary{
  list-style:none;
  cursor:pointer;
  padding:14px 18px;
  font-size:15.5px;
  font-weight:600;
  color:var(--c-deep);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary svg{width:16px;height:16px;color:var(--c-primary);transition:transform .24s ease;}
.toc-mobile[open] summary svg{transform:rotate(180deg);}
.toc-mobile ul{padding:0 18px 16px;}
.toc-mobile li + li{border-top:1px solid var(--c-line);}
.toc-mobile a{
  display:block;
  padding:10px 0;
  font-size:15px;
  color:var(--c-text);
  transition:color .2s ease;
}
.toc-mobile a:hover{color:var(--c-primary);}

/* ============ 资讯卡 ============ */
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.img-frame{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  background:linear-gradient(160deg,var(--c-primary) 0%,var(--c-deep) 100%);
  overflow:hidden;
}
.img-frame img{
  width:100%;height:100%;
  object-fit:cover;
}
.img-frame.is-fallback::after{
  content:attr(data-label);
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  text-align:center;
  padding:0 16px;
}
.news-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px 24px 24px;
  flex:1;
}
.news-title{
  font-size:18px;
  line-height:1.5;
  color:var(--c-deep);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-title{color:var(--c-primary);}
.news-desc{
  font-size:15px;
  line-height:1.7;
  color:var(--c-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-muted);
}
.news-foot .read-more{
  color:var(--c-primary);
  font-weight:600;
  white-space:nowrap;
}

/* ============ 文末区块 ============ */
.related-block{
  max-width:760px;
  padding-top:44px;
  margin-top:44px;
  border-top:1px solid var(--c-line);
}
.block-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:26px;
}
.block-head h2{
  font-size:24px;
  line-height:1.35;
  color:var(--c-deep);
  padding-left:14px;
  border-left:4px solid var(--c-primary);
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.back-links{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  margin-top:30px;
}

/* ============ 通栏 CTA ============ */
.cta-band{
  background:var(--c-primary-soft);
  border-radius:var(--r-card);
  padding:38px 36px;
  margin-top:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta-band h3{
  font-size:22px;
  color:var(--c-deep);
  margin-bottom:8px;
}
.cta-band p{
  font-size:15px;
  color:var(--c-muted);
  max-width:560px;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-deep);
  color:#C9DAD8;
  margin-top:var(--sec-y);
  padding:66px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-mark{color:#fff;}
.footer-brand .logo-sub{color:var(--c-mint);}
.footer-desc{
  font-size:14.5px;
  line-height:1.85;
  color:#A9C1BF;
  max-width:380px;
}
.site-footer h4{
  font-size:15.5px;
  color:#fff;
  margin-bottom:18px;
  font-weight:700;
}
.footer-links li{margin-bottom:11px;}
.footer-links a,.footer-links span{
  font-size:14.5px;
  color:#A9C1BF;
  transition:color .2s ease;
}
.footer-links a:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:3px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:#8FA9A7;
  line-height:1.8;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding-left:24px;padding-right:24px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:40px;}
}
@media (max-width:991px){
  :root{--sec-y:64px;}
  .main-nav{display:none;}
  .menu-btn{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{display:none;}
  .toc-mobile{display:block;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .header-inner{height:56px;}
  .logo-mark{font-size:18px;}
  .logo-sub{font-size:12px;}
  .article-title{font-size:28px;line-height:1.3;}
  .article-meta{gap:10px;}
  .prose{font-size:16px;line-height:1.9;}
  .prose h2{font-size:22px;margin:38px 0 14px;}
  .prose h3{font-size:19px;}
  .cta-band{padding:28px 22px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:559px){
  .article-section{padding-top:24px;}
  .breadcrumb .current{max-width:22ch;}
  .btn{width:100%;}
  .header-actions .icon-btn{display:none;}
  .back-links{gap:16px;}
}

/* roulang page: category1 */
:root{
  --c-deep:#0B3C43;
  --c-primary:#10626D;
  --c-primary-soft:#E3F0F0;
  --c-accent:#F2603C;
  --c-accent-hover:#DC4E2B;
  --c-accent-soft:#FFE9E1;
  --c-mint:#7FBFB0;
  --c-bg:#FBF8F3;
  --c-surface:#FFFFFF;
  --c-text:#1F2C2B;
  --c-muted:#5D6F6D;
  --c-line:#DDE7E4;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --r-badge:999px;
  --sh-1:0 1px 2px rgba(11,60,67,.06);
  --sh-2:0 10px 30px -12px rgba(11,60,67,.18);
  --sec:88px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",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:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-deep);font-weight:700;line-height:1.3}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0;list-style:none}
: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}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:background-color .24s ease,color .24s ease,box-shadow .24s ease,transform .24s ease,border-color .24s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-secondary{background:var(--c-surface);border-color:var(--c-line);color:var(--c-deep)}
.btn-secondary:hover{background:var(--c-primary-soft)}
.btn-ghost{background:transparent;color:var(--c-primary);padding:8px 0;font-weight:600}
.btn-ghost svg{transition:transform .24s ease}
.btn-ghost:hover{color:var(--c-accent)}
.btn-ghost:hover svg{transform:translateX(3px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.icon-btn{
  width:40px;height:40px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-deep);border:1px solid var(--c-line);background:var(--c-surface);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-mint)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:baseline;gap:7px;flex-shrink:0}
.logo-mark{font-size:20px;font-weight:800;color:var(--c-deep);letter-spacing:.01em}
.logo-sub{font-size:12.5px;font-weight:600;color:var(--c-primary);border-left:1px solid var(--c-line);padding-left:7px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:14px}
.nav-link{
  position:relative;display:inline-block;
  font-size:15px;color:var(--c-text);
  padding:8px 12px;border-radius:8px;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.menu-btn{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);align-items:center;justify-content:center;color:var(--c-deep)}
.menu-btn:hover{background:var(--c-primary-soft)}

/* ---------- 移动抽屉 ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(11,60,67,.42);
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:70;
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;
  width:82vw;max-width:340px;
  background:var(--c-surface);
  box-shadow:-12px 0 40px -20px rgba(11,60,67,.4);
  transform:translateX(102%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;
  padding:18px 20px 28px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-nav{display:flex;flex-direction:column;margin:10px 0 20px}
.drawer-nav a{
  font-size:17px;line-height:52px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600}
.drawer-note{font-size:13px;color:var(--c-muted);margin:0 0 16px;line-height:1.7}

/* ---------- 页面头 ---------- */
.page-head{
  position:relative;overflow:hidden;color:#fff;
  padding:58px 0 52px;
  background-image:linear-gradient(115deg,rgba(11,60,67,.88) 0%,rgba(16,98,109,.76) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-head::after{
  content:"";position:absolute;right:-30px;bottom:-46px;
  width:260px;height:200px;pointer-events:none;
  background-image:radial-gradient(circle at 50% 100%,rgba(255,255,255,.08) 0 58%,transparent 60%);
  background-size:46px 46px;background-repeat:repeat;
}
.page-head .container{position:relative;z-index:2}
.page-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:#fff;
  background:rgba(242,96,60,.92);
  padding:5px 14px;border-radius:var(--r-badge);margin-bottom:18px;
}
.page-head h1{
  color:#fff;font-size:42px;line-height:1.22;letter-spacing:-.01em;
  max-width:860px;margin-bottom:16px;
}
.page-lead{
  max-width:760px;font-size:16.5px;line-height:1.85;
  color:rgba(255,255,255,.88);margin:0 0 22px;
}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb span.sep{color:rgba(255,255,255,.45)}

/* ---------- 双栏与锚点导航 ---------- */
.layout{
  display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;
  align-items:start;padding:56px 0 0;
}
.anchor-nav{
  position:sticky;top:88px;
  background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.anchor-title{
  font-size:13px;font-weight:700;color:var(--c-muted);
  letter-spacing:.06em;margin:0 0 12px;
}
.anchor-nav a{
  display:block;font-size:14.5px;color:var(--c-text);
  padding:9px 10px;border-radius:8px;border-left:2px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary);border-left-color:var(--c-primary)}
.anchor-tip{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:12.5px;color:var(--c-muted);line-height:1.7;
}

/* ---------- 板块标题 ---------- */
.sec-title{
  position:relative;padding-left:16px;
  font-size:30px;line-height:1.3;color:var(--c-deep);
  margin-bottom:14px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  background:var(--c-primary);border-radius:2px;
}
.sec-note{color:var(--c-muted);font-size:15.5px;line-height:1.8;max-width:760px;margin:0 0 28px}
.block{margin-bottom:44px;scroll-margin-top:90px}

/* ---------- 条目行 ---------- */
.entry-list{border-top:1px solid var(--c-line)}
.entry-row{
  display:grid;grid-template-columns:58px minmax(0,1fr) auto;
  gap:20px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--c-line);
  transition:background-color .24s ease;
}
.entry-row:hover{background:rgba(227,240,240,.4)}
.entry-num{
  font-size:14px;font-weight:800;color:var(--c-mint);
  font-variant-numeric:tabular-nums;padding-top:4px;letter-spacing:.04em;
}
.entry-title{font-size:19px;color:var(--c-deep);margin:0 0 8px;line-height:1.45}
.entry-desc{margin:0;font-size:15px;line-height:1.7;color:var(--c-muted);max-width:620px}
.entry-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
  padding-top:6px;white-space:nowrap;
}
.entry-link svg{transition:transform .24s ease}
.entry-link:hover{color:var(--c-accent)}
.entry-link:hover svg{transform:translateX(4px)}

/* ---------- 准备清单 ---------- */
.prep-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:32px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);
}
.stat-row{display:flex;gap:28px;flex-wrap:wrap;margin:22px 0 0}
.stat-item{min-width:96px}
.stat-num{
  font-size:26px;font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-label{font-size:13px;color:var(--c-muted);margin-top:4px}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-item{display:flex;gap:12px;align-items:flex-start}
.check-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;margin-top:4px;
}
.check-item h4{font-size:16px;margin:0 0 2px;color:var(--c-deep)}
.check-item p{margin:0;font-size:14.5px;line-height:1.7;color:var(--c-muted)}

/* ---------- 提示语对照 ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);box-shadow:var(--sh-1)}
table{width:100%;border-collapse:collapse;min-width:560px}
caption{text-align:left;font-size:13px;color:var(--c-muted);padding:14px 20px 0}
th,td{padding:16px 20px;text-align:left;font-size:15px;line-height:1.7;border-bottom:1px solid var(--c-line);vertical-align:top}
th{background:var(--c-primary-soft);color:var(--c-deep);font-size:14px;font-weight:700;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:rgba(227,240,240,.35)}
td strong{color:var(--c-deep)}
.scroll-hint{font-size:12.5px;color:var(--c-muted);margin:10px 0 0}

/* ---------- 交叉链接卡 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.cross-card{
  display:flex;gap:18px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:18px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-mint)}
.media{
  flex-shrink:0;width:112px;height:84px;border-radius:var(--r-img);
  overflow:hidden;background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;
}
.media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img)}
.media-fallback{background:linear-gradient(135deg,var(--c-primary-soft),#fff)}
.media-fallback::after{
  content:"乐鱼在线登录入口官网";font-size:11.5px;color:var(--c-primary);
  padding:0 8px;text-align:center;line-height:1.5;
}
.cross-body h3{font-size:17px;margin:0 0 6px;line-height:1.45}
.cross-body p{margin:0;font-size:14px;line-height:1.7;color:var(--c-muted)}
.cross-more{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:10px;font-size:13.5px;font-weight:600;color:var(--c-primary);
}
.cross-more svg{transition:transform .24s ease}
.cross-card:hover .cross-more svg{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-deep);line-height:1.55;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-arrow{
  flex-shrink:0;width:26px;height:26px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .28s ease,background-color .24s ease;
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);background:var(--c-accent-soft);color:var(--c-accent)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{
  margin:0 0 20px;font-size:15.5px;line-height:1.75;color:var(--c-muted);
  max-width:760px;padding-right:34px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-soft);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:64px 0;margin-top:16px;
}
.cta-inner{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:44px 40px;
  box-shadow:var(--sh-1);
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:36px;align-items:center;
}
.cta-inner h2{font-size:26px;margin:0 0 12px}
.cta-inner p{margin:0;color:var(--c-muted);font-size:15.5px;line-height:1.8}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.cta-hint{font-size:12.5px;color:var(--c-muted);margin:4px 0 0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:var(--sec)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.site-footer .logo-mark{color:#fff}
.site-footer .logo-sub{color:var(--c-mint);border-left-color:rgba(255,255,255,.2)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin:16px 0 0;max-width:360px}
.site-footer h4{color:#fff;font-size:15px;margin:0 0 16px}
.footer-links li{margin-bottom:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.74)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-links span{color:rgba(255,255,255,.6)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec:64px}
  .layout{grid-template-columns:200px minmax(0,1fr);gap:32px}
  .page-head h1{font-size:36px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .menu-btn{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:44px}
  .anchor-nav{position:static;display:flex;gap:10px;overflow-x:auto;padding:14px 16px;align-items:center}
  .anchor-title{display:none}
  .anchor-nav a{white-space:nowrap;border-left:none;border-bottom:2px solid transparent;padding:6px 10px}
  .anchor-nav a:hover{border-left-color:transparent;border-bottom-color:var(--c-primary)}
  .anchor-tip{display:none}
  .prep-wrap{grid-template-columns:minmax(0,1fr);gap:26px}
  .cross-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:24px;padding:32px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  :root{--sec:44px}
  body{font-size:16px;line-height:1.8}
  .container{padding:0 18px}
  .header-inner{height:56px;gap:12px}
  .logo-mark{font-size:18px}
  .logo-sub{font-size:11.5px}
  .page-head{padding:40px 0 36px}
  .page-head h1{font-size:28px;line-height:1.3}
  .page-lead{font-size:15.5px}
  .sec-title{font-size:22px}
  .entry-row{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:20px 0}
  .entry-link{grid-column:2;padding-top:8px}
  .entry-title{font-size:17.5px}
  .faq-q{font-size:16px;padding:16px 2px}
  .faq-a p{padding-right:0}
  .cross-card{flex-direction:column;align-items:flex-start}
  .media{width:100%;height:150px}
  .cta-band{padding:44px 0}
  .cta-inner h2{font-size:21px}
  .btn{width:100%}
  .cta-actions{width:100%;align-items:stretch}
  .btn-ghost{width:auto;align-self:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:559px){
  .page-head h1{font-size:26px}
  .stat-row{gap:20px}
  .btn{padding:13px 20px}
}

/* roulang page: category2 */
:root{
  --c-deep:#0B3C43;
  --c-primary:#10626D;
  --c-primary-soft:#E3F0F0;
  --c-accent:#F2603C;
  --c-accent-soft:#FFE9E1;
  --c-mint:#7FBFB0;
  --c-bg:#FBF8F3;
  --c-surface:#FFFFFF;
  --c-text:#1F2C2B;
  --c-muted:#5D6F6D;
  --c-line:#DDE7E4;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(11,60,67,.06);
  --sh-2:0 10px 30px -12px rgba(11,60,67,.18);
  --gap-section:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-inner{
  display:flex;align-items:center;gap:28px;height:64px;
}
.logo{display:flex;align-items:baseline;gap:7px;flex-shrink:0;}
.logo-mark{font-size:20px;font-weight:700;color:var(--c-deep);letter-spacing:.01em;}
.logo-sub{
  font-size:12.5px;color:var(--c-primary);
  background:var(--c-primary-soft);
  padding:2px 9px;border-radius:999px;white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 12px;font-size:15.5px;color:var(--c-muted);
  border-radius:8px;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;display:inline-flex;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);border-color:var(--c-mint);}
.icon-btn:active{transform:translateY(1px);}
.menu-toggle{display:none;}

/* 按钮系统 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;line-height:1.2;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#DE502D;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--c-deep);border:1px solid var(--c-line);}
.btn-outline:hover{background:var(--c-primary-soft);border-color:var(--c-mint);}
.btn-outline:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14.5px;}
.btn-block{width:100%;}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-weight:600;font-size:14.5px;
  transition:transform .2s ease,color .2s ease;
}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover{color:var(--c-accent);}
.link-arrow:hover svg{transform:translateX(4px);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;line-height:1.6;
}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-accent::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#fff;display:inline-block;
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,60,67,.42);
  opacity:0;pointer-events:none;transition:opacity .24s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;
  background:#fff;z-index:80;transform:translateX(102%);
  transition:transform .28s ease;box-shadow:var(--sh-2);
  display:flex;flex-direction:column;padding:16px 0;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:6px 20px 16px;border-bottom:1px solid var(--c-line);
}
.drawer-nav{display:flex;flex-direction:column;padding:10px 8px;}
.drawer-link{
  font-size:17px;line-height:52px;padding:0 14px;border-radius:10px;
  color:var(--c-text);transition:background .2s ease,color .2s ease;
}
.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-link.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);}
.drawer-foot{margin-top:auto;padding:16px 20px 6px;border-top:1px solid var(--c-line);}

/* ============ 页面头（双栏） ============ */
.page-head{
  position:relative;
  padding:48px 0 56px;
  background:
    radial-gradient(circle at 88% 12%,rgba(127,191,176,.20),transparent 42%),
    linear-gradient(180deg,#FFFFFF 0%,#F3F8F7 100%);
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.breadcrumb{
  font-size:13px;color:var(--c-muted);margin-bottom:22px;
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--c-muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span{color:var(--c-deep);}
.head-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;
}
.page-head h1{
  font-size:42px;line-height:1.22;color:var(--c-deep);
  margin:16px 0 16px;letter-spacing:-.01em;
}
.page-head .lead{
  font-size:16.5px;line-height:1.85;color:var(--c-muted);
  max-width:600px;margin-bottom:26px;
}
.head-actions{display:flex;gap:14px;flex-wrap:wrap;}
.head-media{position:relative;}
.head-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);box-shadow:var(--sh-2);
  background:var(--c-primary-soft);
}
.head-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(11,60,67,.86);color:#fff;
  font-size:12.5px;padding:6px 14px;border-radius:999px;backdrop-filter:blur(2px);
}
.media-fallback{
  position:relative;width:100%;aspect-ratio:4/3;border-radius:var(--r-card);
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-deep) 100%);
  display:none;align-items:center;justify-content:center;
  color:#fff;font-size:15px;text-align:center;padding:20px;
}
.media-fallback.is-on{display:flex;}
.head-media.img-failed img{display:none;}
.head-media.img-failed .media-fallback{display:flex;}

/* ============ 通用板块 ============ */
.section{padding:var(--gap-section) 0;}
.section-tight{padding:56px 0;}
.section-soft{background:var(--c-primary-soft);}
.section-white{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:30px;line-height:1.3;color:var(--c-deep);
  padding-left:16px;border-left:4px solid var(--c-primary);
  margin-bottom:14px;
}
.section-head p{color:var(--c-muted);}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  flex-wrap:wrap;margin-bottom:40px;
}
.section-head-row .section-head{margin-bottom:0;}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:-46px;position:relative;z-index:3;
}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.stat-num{
  font-size:30px;font-weight:700;color:var(--c-primary);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.stat-label{font-size:15px;font-weight:600;color:var(--c-deep);margin:6px 0 6px;}
.stat-desc{font-size:13px;color:var(--c-muted);line-height:1.7;}

/* 标签切换 */
.tabs{
  display:flex;gap:10px;flex-wrap:wrap;
  padding:8px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:999px;
  margin-bottom:34px;width:fit-content;max-width:100%;
}
.tab{
  padding:10px 20px;border-radius:999px;font-size:14.5px;color:var(--c-muted);
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.tab:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.tab.is-active{background:var(--c-primary);color:#fff;font-weight:600;}

/* 通栏条目卡 */
.entry-list{display:flex;flex-direction:column;gap:24px;}
.entry-card{
  display:grid;grid-template-columns:320px 1fr;gap:28px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-mint);}
.entry-card.is-hidden{display:none;}
.entry-media{position:relative;}
.entry-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  background:var(--c-primary-soft);
}
.entry-media.img-failed img{display:none;}
.entry-media.img-failed .media-fallback{display:flex;aspect-ratio:4/3;}
.entry-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap;}
.entry-num{
  font-size:13px;color:var(--c-mint);font-weight:700;letter-spacing:.08em;
}
.entry-body h3{
  font-size:22px;line-height:1.4;color:var(--c-deep);margin-bottom:10px;
}
.entry-body > p{font-size:15px;line-height:1.7;color:var(--c-muted);margin-bottom:14px;}
.tick-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 20px;margin-bottom:16px;}
.tick-list li{
  position:relative;padding-left:20px;font-size:14.5px;line-height:1.7;color:var(--c-text);
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:2px;background:var(--c-mint);
}
.entry-foot{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding-top:14px;border-top:1px solid var(--c-line);
}

/* 排名榜式对比 */
.rank-list{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.rank-row{
  display:grid;grid-template-columns:56px 1.05fr 1.35fr;gap:20px;align-items:center;
  padding:22px 24px;border-bottom:1px solid var(--c-line);
  transition:background .2s ease;
}
.rank-row:last-child{border-bottom:0;}
.rank-row:hover{background:#F5FAF9;}
.rank-no{
  font-size:20px;font-weight:700;color:var(--c-mint);
  font-variant-numeric:tabular-nums;
}
.rank-name{font-size:17px;font-weight:600;color:var(--c-deep);}
.rank-name small{display:block;font-size:13px;font-weight:400;color:var(--c-muted);margin-top:4px;}
.rank-meter{display:flex;align-items:center;gap:14px;}
.rank-bar{
  height:8px;border-radius:999px;background:var(--c-primary-soft);
  flex:1;overflow:hidden;
}
.rank-bar i{display:block;height:100%;background:var(--c-primary);border-radius:999px;}
.rank-bar i.hot{background:var(--c-accent);}
.rank-word{font-size:13px;color:var(--c-muted);white-space:nowrap;}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.flow-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.flow-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.flow-step{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:700;
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.flow-card h3{font-size:19px;color:var(--c-deep);margin-bottom:10px;}
.flow-card p{font-size:15px;line-height:1.7;color:var(--c-muted);}

/* FAQ */
.faq-list{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--c-deep);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:#F5FAF9;color:var(--c-primary);}
.faq-q svg{flex-shrink:0;transition:transform .24s ease;color:var(--c-mint);}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease;
}
.faq-a-inner{
  padding:0 24px 20px;font-size:15.5px;line-height:1.75;color:var(--c-muted);
  max-width:760px;
}

/* 交叉链接 */
.cross-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.cross-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-mint);}
.cross-card h3{font-size:19px;color:var(--c-deep);margin:12px 0 8px;}
.cross-card p{font-size:15px;line-height:1.7;color:var(--c-muted);margin-bottom:14px;}

/* CTA 区块 */
.cta-band{
  background:linear-gradient(135deg,#E3F0F0 0%,#F4FAF9 100%);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:40px;display:flex;align-items:center;justify-content:space-between;
  gap:30px;flex-wrap:wrap;
}
.cta-band h2{
  font-size:26px;line-height:1.35;color:var(--c-deep);margin-bottom:10px;
}
.cta-band p{font-size:15px;color:var(--c-muted);max-width:560px;line-height:1.75;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 表单 */
.consult-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--c-muted);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;font-size:15.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(16,98,109,.14);
}
.field textarea{min-height:110px;resize:vertical;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-accent);}
.field-error{display:none;font-size:12.5px;color:var(--c-accent);margin-top:6px;}
.field.has-error .field-error{display:block;}
.form-note{font-size:13px;color:var(--c-muted);line-height:1.7;margin-top:14px;}
.info-list{display:flex;flex-direction:column;gap:16px;}
.info-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
}
.info-icon{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.info-item h4{font-size:15.5px;color:var(--c-deep);margin-bottom:4px;}
.info-item p{font-size:14px;color:var(--c-muted);line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep);color:#C7DAD8;padding:64px 0 28px;margin-top:var(--gap-section);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo-mark{color:#fff;font-size:19px;}
.footer-brand .logo-sub{background:rgba(255,255,255,.12);color:#BEE3DE;}
.footer-desc{font-size:14px;line-height:1.8;color:#9FBDB9;margin-top:14px;max-width:340px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{font-size:14px;color:#9FBDB9;line-height:1.7;transition:color .2s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:44px;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;color:#8FAEAA;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  :root{--gap-section:64px;}
  .head-grid{gap:36px;}
  .page-head h1{font-size:36px;}
  .entry-card{grid-template-columns:260px 1fr;gap:22px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-right .btn{display:none;}
  .header-cta{display:none;}
  .head-grid{grid-template-columns:1fr;gap:30px;}
  .head-media{order:2;}
  .head-media img{aspect-ratio:16/10;}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-34px;}
  .entry-card{grid-template-columns:1fr;}
  .entry-media img{aspect-ratio:16/9;}
  .flow-grid{grid-template-columns:1fr 1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .consult-grid{grid-template-columns:1fr;}
  .rank-row{grid-template-columns:44px 1fr;gap:14px;}
  .rank-meter{grid-column:1 / -1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .section{padding:44px 0;}
  .section-tight{padding:36px 0;}
  .page-head{padding:30px 0 40px;}
  .page-head h1{font-size:28px;line-height:1.3;}
  .section-head h2{font-size:22px;}
  .entry-body h3{font-size:19px;}
  .tick-list{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;margin-top:-24px;}
  .tabs{width:100%;border-radius:14px;justify-content:flex-start;}
  .cta-band{padding:26px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .consult-grid{gap:26px;}
}
@media (max-width:559px){
  .container{padding:0 18px;}
  body{font-size:16px;line-height:1.8;}
  .nav-inner{height:56px;}
  .logo-mark{font-size:18px;}
  .logo-sub{font-size:11.5px;padding:2px 7px;}
  .btn{width:100%;}
  .head-actions{flex-direction:column;width:100%;}
  .head-actions .btn{width:100%;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;}
  .form-card{padding:20px;}
  .rank-row{padding:18px;}
}