/* roulang page: index */
:root{
  --brand:#1B4B75;
  --brand-deep:#123B5C;
  --brand-mid:#2E6A9E;
  --brand-soft:#E8F0F7;
  --accent:#E08A2E;
  --accent-soft:#FDF1E1;
  --ink:#16232E;
  --ink-2:#4A5C6B;
  --ink-3:#7B8B99;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --line:#E3EAF0;
  --ok:#2F7D6B;
  --r-sm:6px;
  --r:10px;
  --r-lg:16px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(18,59,92,.06);
  --shadow-md:0 8px 24px -12px rgba(18,59,92,.18);
  --shadow-lg:0 24px 48px -24px rgba(18,59,92,.22);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-mid);}
button{font:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 4px rgba(224,138,46,.22);}
.row{max-width:1224px;margin-left:auto;margin-right:auto;padding-left:12px;padding-right:12px;}
.row::before,.row::after{content:" ";display:table;}
.row::after{clear:both;}
.column,.columns{padding-left:12px;padding-right:12px;}
.hero-row{display:flex;flex-wrap:wrap;align-items:center;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.nav-shell{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  max-width:1224px;
  margin:0 auto;
  padding:0 24px;
  height:72px;
  transition:height .22s ease;
}
.site-header.is-scrolled .nav-shell{height:60px;}
.nav-side{display:flex;align-items:center;gap:6px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;gap:10px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-logo{display:flex;align-items:center;gap:10px;justify-self:center;color:var(--ink);}
.nav-logo:hover{color:var(--ink);}
.logo-mark{
  display:grid;place-items:center;
  width:38px;height:38px;border-radius:var(--r);
  background:var(--brand);color:#fff;
  font-size:17px;font-weight:700;letter-spacing:.02em;
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.22;}
.logo-text strong{font-size:15px;font-weight:700;color:var(--brand-deep);letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.04em;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--r);
  background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  justify-self:end;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s ease,opacity .22s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;
  background:#fff;
  transform:translateX(100%);
  transition:transform .24s ease;
  padding:20px 20px 32px;
  overflow-y:auto;
  display:flex;flex-direction:column;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r);
  background:#fff;color:var(--brand);font-size:18px;line-height:1;
}
.drawer-group{margin-top:18px;}
.drawer-group h3{font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--ink-3);margin-bottom:6px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;
  font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--brand);}
.drawer-link .arrow{color:var(--ink-3);}
.drawer-cta{margin-top:22px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;height:48px;padding:0 24px;
  border:1px solid transparent;border-radius:var(--r);
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;
  transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#c9761f;color:#fff;transform:translateY(-1px);}
.btn-sm{height:42px;min-height:42px;padding:0 18px;font-size:14px;}
.ghost-link{
  display:inline-flex;align-items:center;gap:4px;
  font-size:14px;font-weight:600;color:var(--accent);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .22s ease,color .22s ease;
}
.ghost-link:hover{color:#fff;border-bottom-color:var(--accent);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-sm);background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;white-space:nowrap;
}
.badge-accent{background:var(--accent-soft);color:#B96A12;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:76px 0 72px;
  background-color:var(--bg);
  background-image:radial-gradient(rgba(27,75,117,.045) 1px,transparent 1px);
  background-size:20px 20px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand-mid);
  margin-bottom:16px;
}
.eyebrow-bar{width:3px;height:14px;border-radius:2px;background:var(--accent);}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.25;letter-spacing:.01em;font-weight:700;color:var(--ink);
}
.hero-sub{
  margin-top:18px;
  font-size:17px;line-height:1.85;color:var(--ink-2);
  max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:flex;gap:36px;flex-wrap:wrap;
  margin-top:38px;padding-top:24px;border-top:1px solid var(--line);
}
.hero-stats li{display:flex;flex-direction:column;}
.hero-stats strong{font-size:26px;font-weight:700;color:var(--brand);line-height:1.3;}
.hero-stats span{font-size:13px;color:var(--ink-3);}
.hero-visual{position:relative;padding-left:20px;padding-bottom:32px;}
.hero-media{
  position:relative;
  aspect-ratio:4/3;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--brand-soft);
  box-shadow:var(--shadow-lg);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-card{
  position:absolute;left:0;bottom:0;
  width:min(320px,86%);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);
  padding:18px 20px 10px;
}
.hero-card-title{
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--ink-3);
  margin-bottom:8px;
}
.hero-card ul li + li{border-top:1px solid var(--line);}
.hero-card a{
  display:flex;align-items:center;gap:10px;
  min-height:48px;
  font-size:14px;font-weight:500;color:var(--ink);
}
.hero-card a:hover{color:var(--brand);}
.hero-card .num{font-size:12px;font-weight:700;color:var(--accent);flex:0 0 auto;}
.hero-card .t{flex:1;min-width:0;}
.hero-card .arrow{color:var(--ink-3);font-size:16px;}

/* ---------- 实时节奏条 ---------- */
.live-strip{background:var(--brand-deep);color:#fff;padding:14px 0;}
.live-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(224,138,46,.22);
  animation:pulse 2.2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.4;}}
.live-label{
  font-size:12px;font-weight:600;letter-spacing:.04em;color:#B9D2E6;
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-sm);
  padding:2px 8px;flex:0 0 auto;
}
.live-inner p{flex:1 1 260px;font-size:14px;line-height:1.7;color:#DCE9F3;}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--surface);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  flex-wrap:wrap;margin-bottom:36px;
}
.section-head-text h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;font-weight:700;color:var(--ink);
}
.section-head-text p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:52em;}
.section-more{
  display:inline-flex;align-items:center;gap:6px;
  min-height:44px;font-size:15px;font-weight:600;color:var(--brand);
}
.section-more:hover{color:var(--accent);}

/* ---------- 合集目录 ---------- */
.catalog-col{display:flex;flex-direction:column;gap:12px;}
.catalog-item{
  display:flex;align-items:center;gap:16px;
  min-height:68px;padding:12px 18px;
  background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r);
  transition:background-color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.section-alt .catalog-item{background:var(--bg);}
.catalog-item:hover{
  background:var(--brand-soft);
  border-color:#CFE0EE;
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm);
}
.cat-num{
  display:grid;place-items:center;flex:0 0 auto;
  width:34px;height:34px;border-radius:var(--r-sm);
  background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;
}
.cat-main{flex:1;min-width:0;}
.cat-title{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;}
.cat-desc{font-size:14px;color:var(--ink-3);line-height:1.7;}
.cat-arrow{flex:0 0 auto;font-size:18px;color:var(--ink-3);}
.catalog-item:hover .cat-arrow{color:var(--brand);}

/* ---------- 精选条目 ---------- */
.feature-main{
  display:flex;
  background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;height:100%;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.feature-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.feature-main-media{flex:0 0 45%;position:relative;background:var(--brand-soft);min-height:260px;}
.feature-main-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.feature-main-body{padding:28px;display:flex;flex-direction:column;gap:12px;justify-content:center;}
.feature-main-body h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);}
.feature-main-body p{font-size:15px;color:var(--ink-2);line-height:1.8;}

.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);
  border:1px solid var(--line);border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:auto;font-size:13px;color:var(--ink-3);
}
.card-link{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:600;color:var(--brand);}
.card:hover .card-link{color:var(--accent);}
.grid-gap{margin-bottom:24px;}

/* ---------- 最新信息列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-card{
  display:flex;align-items:center;gap:20px;
  padding:22px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--brand);
  border-radius:var(--r);
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-left-color:var(--accent);}
.news-body{flex:1;min-width:0;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.news-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
.news-summary{
  margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-arrow{flex:0 0 auto;font-size:20px;color:var(--ink-3);}
.news-card:hover .news-arrow{color:var(--brand);}
.meta-time{font-size:13px;color:var(--ink-3);}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state svg{width:56px;height:56px;fill:none;stroke:var(--ink-3);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;}
.empty-state p{font-size:15px;color:var(--ink-2);}

/* ---------- 相关推荐 ---------- */
.mini-card{
  display:flex;align-items:center;gap:16px;
  padding:14px;height:100%;
  background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.mini-media{
  flex:0 0 96px;width:96px;aspect-ratio:16/9;border-radius:var(--r-sm);
  overflow:hidden;background:var(--brand-soft);
}
.mini-media img{width:100%;height:100%;object-fit:cover;}
.mini-body{flex:1;min-width:0;}
.mini-title{
  font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-meta{margin-top:8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}

/* ---------- 收藏 / 分享 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--brand-soft);
  border:1px solid #D6E5F1;
  border-radius:var(--r-lg);
  padding:40px;
}
.cta-band h2{font-size:clamp(22px,2.2vw,28px);font-weight:700;color:var(--brand-deep);line-height:1.4;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:40em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.copy-row{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.copy-row input{
  flex:1 1 260px;height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r);
  background:#fff;color:var(--ink-2);font-size:14px;
}
.copy-row input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,75,117,.14);}
.copy-tip{font-size:13px;color:var(--ok);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{
  border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
  padding-left:16px;
  transition:border-color .22s ease;
}
.faq-item[open]{border-left-color:var(--brand);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:44px;padding:22px 0;
  font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item[open] summary{color:var(--brand);}
.faq-icon{position:relative;flex:0 0 auto;width:16px;height:16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .22s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-answer{padding:0 0 24px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:60em;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#DCE9F3;padding:72px 0 0;margin-top:96px;}
.footer-brand .nav-logo{justify-self:start;color:#fff;}
.footer-brand .logo-mark{background:var(--accent);color:#fff;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:#9FC0D8;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:#B9D2E6;max-width:32em;}
.footer-col h3{font-size:14px;font-weight:600;letter-spacing:.04em;color:#fff;margin-bottom:14px;}
.footer-col ul li{border-bottom:1px solid rgba(255,255,255,.08);}
.footer-col ul li:last-child{border-bottom:0;}
.footer-col a{
  display:inline-flex;align-items:center;min-height:44px;
  font-size:14px;color:#B9D2E6;
}
.footer-col a:hover{color:var(--accent);}
.footer-note{font-size:14px;line-height:1.8;color:#B9D2E6;}
.footer-note span{display:block;margin-bottom:10px;}
.footer-note a{display:inline-flex;align-items:center;min-height:32px;color:var(--accent);}
.footer-bottom{
  margin-top:48px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FB2CC;
}
.footer-bottom a{color:#8FB2CC;display:inline-flex;align-items:center;min-height:32px;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .nav-shell{grid-template-columns:auto 1fr auto;height:64px;}
  .nav-left,.nav-right{display:none;}
  .nav-logo{justify-self:start;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .hero{padding:52px 0 44px;}
  .hero-visual{padding-left:0;padding-bottom:0;margin-top:44px;}
  .hero-card{position:static;width:auto;margin-top:16px;box-shadow:var(--shadow-sm);}
  .feature-main-media{min-height:230px;}
  .mini-media{flex:0 0 84px;width:84px;}
}
@media screen and (max-width:767px){
  .feature-main{flex-direction:column;}
  .feature-main-media{flex:none;aspect-ratio:16/9;min-height:0;}
  .cta-band{padding:30px 24px;}
  .news-card{align-items:flex-start;}
  .mini-card{flex-direction:column;align-items:flex-start;}
  .mini-media{flex:none;width:100%;aspect-ratio:16/9;}
}
@media screen and (max-width:639px){
  .row{padding-left:4px;padding-right:4px;}
  .section{padding:56px 0;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:22px;margin-top:30px;}
  .hero-stats strong{font-size:22px;}
  .news-card{padding:18px;gap:12px;}
  .news-title{font-size:17px;}
  .cta-band h2{font-size:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: article */
:root{
  --brand:#1B4B75; --brand-deep:#123B5C; --brand-mid:#2E6A9E; --brand-soft:#E8F0F7;
  --accent:#E08A2E; --accent-soft:#FDF1E1;
  --ink:#16232E; --ink-2:#4A5C6B; --ink-3:#7B8B99;
  --bg:#F5F8FA; --surface:#FFFFFF; --line:#E3EAF0; --ok:#2F7D6B;
  --r-sm:6px; --r:10px; --r-lg:16px; --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(18,59,92,.06);
  --shadow-md:0 8px 24px -12px rgba(18,59,92,.18);
  --shadow-lg:0 24px 48px -24px rgba(18,59,92,.22);
  --gap:24px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-mid);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.2em;}
button,input{font-family:inherit;}
.number,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:none;box-shadow:0 0 0 2px var(--accent),0 0 0 5px rgba(224,138,46,.28);border-radius:var(--r-sm);}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.row{max-width:1200px;margin-left:auto;margin-right:auto;}
.column,.columns{padding-left:12px;padding-right:12px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);transition:height .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.nav-shell{
  max-width:1200px;margin:0 auto;padding:0 24px;height:72px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
  transition:height .22s ease;
}
.site-header.is-scrolled .nav-shell{height:60px;}
.nav-side{display:flex;align-items:center;gap:22px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;gap:18px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 2px;line-height:1.4;min-height:44px;display:inline-flex;align-items:center;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.nav-logo:hover{color:var(--ink);}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:var(--r);background:var(--brand);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:19px;letter-spacing:.02em;font-variant-numeric:tabular-nums;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.logo-text em{font-style:normal;font-size:12px;color:var(--ink-3);letter-spacing:.04em;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s ease;}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0 0;background:var(--surface);z-index:55;
  padding:16px 20px 40px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);font-weight:500;
}
.mobile-drawer a.is-active{color:var(--brand);font-weight:600;}
.mobile-drawer .drawer-cta{margin-top:18px;justify-content:center;border:0;}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;line-height:1;
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-accent:hover{background:#cd7a22;border-color:#cd7a22;color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand);padding:0 4px;height:44px;}
.btn-ghost i{transition:transform .22s ease;}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:var(--r-sm);}

/* ============ BADGES ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-accent{background:var(--accent-soft);color:#B96C15;}
.badge-pill{border-radius:var(--r-pill);}

/* ============ BREADCRUMB ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 0;font-size:14px;color:var(--ink-3);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--ink-3);}
.crumb .current{color:var(--ink);font-weight:500;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ ARTICLE HEAD ============ */
.article-hero{
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:44px 0 40px;
}
.article-hero .eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.eyebrow .bar{width:3px;height:16px;background:var(--accent);border-radius:2px;}
.eyebrow span{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--accent);}
.article-hero h1{
  font-size:clamp(30px,4.2vw,46px);font-weight:700;line-height:1.25;letter-spacing:.01em;
  color:var(--ink);max-width:920px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;
  font-size:14px;color:var(--ink-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-meta .item{display:inline-flex;align-items:center;gap:6px;}

/* ============ ARTICLE BODY ============ */
.article-shell{padding:56px 0 0;}
.article-wrap{max-width:760px;margin:0 auto;}
.article-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:44px 44px 40px;box-shadow:var(--shadow-sm);}
.article-body p{font-size:16.5px;line-height:1.9;color:var(--ink-2);margin:0 0 1.2em;}
.article-body > p:first-of-type{color:var(--ink);}
.article-body h2{
  position:relative;font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.35;color:var(--ink);
  margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{
  position:relative;font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);
  margin:1.6em 0 .6em;padding-left:18px;
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--accent);
}
.article-body ul{list-style:none;padding-left:0;margin:0 0 1.3em;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;color:var(--ink-2);font-size:16px;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;background:var(--brand-mid);border-radius:2px;
}
.article-body ol{padding-left:1.4em;margin:0 0 1.3em;color:var(--ink-2);}
.article-body ol li{margin-bottom:10px;font-size:16px;line-height:1.85;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 var(--r) var(--r) 0;color:var(--brand-deep);
}
.article-body blockquote p{margin:0;color:var(--brand-deep);font-size:16px;}
.article-body img{border-radius:12px;margin:1.6em auto;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px;line-height:1.7;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.article-body thead th{
  background:var(--brand-soft);color:var(--brand-deep);font-weight:600;text-align:left;
  padding:0 14px;height:52px;border-bottom:1px solid var(--line);
}
.article-body tbody td{padding:0 14px;height:52px;border-bottom:1px solid var(--line);color:var(--ink-2);}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(27,75,117,.28);}
.article-body a:hover{color:var(--brand-mid);border-bottom-color:var(--brand-mid);}

/* empty state */
.empty-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-box svg{width:64px;height:64px;stroke:var(--ink-3);fill:none;stroke-width:1.4;margin:0 auto 18px;}
.empty-box h2{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.empty-box p{font-size:15px;color:var(--ink-3);margin-bottom:22px;}

/* ============ TAGS ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:32px 0 0;}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);letter-spacing:.04em;}
.article-divider{height:1px;background:var(--line);margin:36px 0 0;border:0;}

/* ============ RELATED ============ */
.section{padding:56px 0 0;}
.section:last-of-type{padding-bottom:72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.35;color:var(--ink);}
.section-head .sub{font-size:14px;color:var(--ink-3);margin-top:8px;}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:all .22s ease;height:100%;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--brand-soft);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;line-height:1.7;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
.card-foot .arrow{color:var(--accent);font-weight:700;}

/* ============ PREV / NEXT ============ */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px;}
.pager a{
  display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);
  border-left:3px solid var(--accent);border-radius:var(--r);padding:18px 20px;transition:all .22s ease;
}
.pager a:hover{background:var(--brand-soft);border-color:var(--brand-soft);border-left-color:var(--brand);transform:translateY(-2px);}
.pager .pager-label{font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--ink-3);}
.pager .pager-title{font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;}
.pager .pager-next{align-items:flex-end;text-align:right;}

/* ============ CTA BAND ============ */
.cta-band{
  margin-top:56px;background:var(--brand-soft);border-radius:var(--r-lg);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--brand-deep);line-height:1.4;}
.cta-band p{font-size:15px;color:var(--ink-2);margin-top:8px;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;}

/* ============ FOOTER ============ */
.site-footer{background:var(--brand-deep);color:#fff;margin-top:72px;padding:64px 0 0;}
.site-footer .row{padding:0 12px;}
.footer-brand .nav-logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--accent);}
.footer-brand .logo-text em{color:#9CBBD6;}
.footer-brand p{font-size:14px;line-height:1.8;color:#B9CFE2;max-width:34ch;}
.footer-col h3{font-size:14px;font-weight:600;letter-spacing:.04em;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#B9CFE2;font-size:14px;display:inline-flex;min-height:32px;align-items:center;}
.footer-col a:hover{color:var(--accent);}
.footer-note{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#B9CFE2;line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding:22px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#9CBBD6;
}
.footer-bottom a{color:#9CBBD6;}
.footer-bottom a:hover{color:var(--accent);}

/* ============ RESPONSIVE ============ */
@media screen and (max-width:1024px){
  .nav-shell{grid-template-columns:auto 1fr auto;gap:12px;}
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .nav-logo{justify-self:start;}
  .logo-text strong{font-size:15px;}
  .article-hero{padding:36px 0 32px;}
  .article-body{padding:32px 26px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media screen and (max-width:768px){
  .site-footer{padding-top:48px;}
  .footer-brand{padding-bottom:32px;}
  .footer-col{padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .pager{grid-template-columns:1fr;}
  .card-media{aspect-ratio:16/9;}
}
@media screen and (max-width:640px){
  .container{padding:0 16px;}
  .nav-shell{padding:0 16px;height:64px;}
  .site-header.is-scrolled .nav-shell{height:58px;}
  .mobile-drawer{top:64px;}
  .logo-mark{width:36px;height:36px;flex-basis:36px;font-size:17px;}
  .logo-text em{display:none;}
  .article-hero{padding:28px 0 26px;}
  .article-body{padding:24px 18px;border-radius:var(--r);}
  .article-body h2{margin-top:1.6em;}
  .article-body table{font-size:14px;}
  .article-body thead th,.article-body tbody td{padding:0 8px;height:48px;}
  .section{padding:40px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-band{margin-top:40px;}
  .cta-actions{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --brand:#1B4B75;
  --brand-deep:#123B5C;
  --brand-mid:#2E6A9E;
  --brand-soft:#E8F0F7;
  --accent:#E08A2E;
  --accent-soft:#FDF1E1;
  --ink:#16232E;
  --ink-2:#4A5C6B;
  --ink-3:#7B8B99;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --line:#E3EAF0;
  --ok:#2F7D6B;
  --r-sm:6px;
  --r:10px;
  --r-lg:16px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(18,59,92,.06);
  --shadow-md:0 8px 24px -12px rgba(18,59,92,.18);
  --shadow-lg:0 24px 48px -24px rgba(18,59,92,.22);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-mid);}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 4px rgba(224,138,46,.22);}

/* ---------- 栅格与容器 ---------- */
.row{max-width:1200px;padding-left:12px;padding-right:12px;}
.row .column{padding-left:12px;padding-right:12px;}
@media screen and (max-width:639px){
  .row{padding-left:4px;padding-right:4px;}
  .row .column{padding-left:12px;padding-right:12px;}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  height:72px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  transition:height .22s ease;
}
.site-header.is-scrolled .nav-shell{height:60px;}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-right{justify-content:flex-end;gap:20px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:6px 2px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:6px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}

.nav-logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r);background:var(--brand);color:#fff;
  font-size:18px;font-weight:700;letter-spacing:.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.22;}
.logo-text strong{font-size:15px;font-weight:700;letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:12px;color:var(--ink-3);letter-spacing:.04em;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r);
  background:#fff;
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-drawer{
  position:fixed;
  top:72px;left:0;right:0;bottom:0;
  z-index:79;
  background:#fff;
  padding:12px 24px 48px;
  overflow-y:auto;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.nav-drawer a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 4px;
  font-size:16px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.is-active{color:var(--brand);font-weight:600;}
.nav-drawer .drawer-label{
  display:block;
  padding:18px 4px 8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--ink-3);
}
.nav-drawer .drawer-cta{
  margin-top:20px;
  justify-content:center;
  background:var(--brand);
  color:#fff;
  border-radius:var(--r);
  border-bottom:none;
  font-weight:600;
}
@media screen and (min-width:1024px){.nav-drawer{display:none;}}
@media screen and (max-width:1023px){
  .nav-shell{grid-template-columns:1fr auto;height:64px;padding:0 16px;}
  .site-header.is-scrolled .nav-shell{height:58px;}
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .nav-drawer{top:64px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:var(--r);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.button,button.button{font-family:inherit;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#C9781F;color:#fff;transform:translateY(-1px);}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-sm);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.6;
}
.badge-accent{background:var(--accent-soft);color:#B26A16;}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--ink-3);font-weight:500;}

/* ---------- 窄头图 ---------- */
.page-hero{
  position:relative;
  padding:84px 0 72px;
  background-color:var(--brand-deep);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(18,59,92,.74);
}
.page-hero .row{position:relative;z-index:1;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:rgba(255,255,255,.45);}
.crumb .current{color:#fff;font-weight:600;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:.01em;
  color:#fff;
  max-width:840px;
}
.page-hero .hero-sub{
  margin-top:20px;
  max-width:720px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
}
.hero-meta{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-meta .badge{background:rgba(255,255,255,.14);color:#fff;}
.hero-meta .badge-accent{background:rgba(224,138,46,.92);color:#fff;}

/* ---------- 主体 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-white{background:var(--surface);}
.section-head{margin-bottom:36px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.35;
  color:var(--ink);
}
.section-head p{margin-top:12px;color:var(--ink-2);max-width:760px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--brand);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:3px;height:14px;background:var(--accent);border-radius:2px;}

/* 目录侧栏 */
.toc-holder{position:relative;}
.toc{
  padding:24px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--brand);
  border-radius:14px;
  box-shadow:var(--shadow-sm);
}
.toc-title{
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--ink-3);
  margin-bottom:14px;
}
.toc-list li + li{margin-top:4px;}
.toc-list a{
  display:flex;
  align-items:flex-start;
  gap:12px;
  min-height:44px;
  padding:10px 8px;
  border-radius:var(--r-sm);
  color:var(--ink-2);
  font-size:15px;
  line-height:1.6;
  transition:background .22s ease,color .22s ease;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand);}
.toc-list .num{
  font-size:12px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.04em;
  padding-top:3px;
}
.toc-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  line-height:1.7;
  color:var(--ink-3);
}

/* 分节内容 */
.doc-section + .doc-section{margin-top:64px;}
.doc-section h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.35;
  color:var(--ink);
  margin-bottom:18px;
}
.doc-section h2::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:4px;
  border-radius:2px;
  background:var(--brand);
}
.doc-section p{color:var(--ink-2);margin-bottom:16px;}
.doc-section p:last-child{margin-bottom:0;}
.doc-figure{
  margin:26px 0 0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.doc-figure figcaption{
  padding:12px 18px;
  font-size:13px;
  color:var(--ink-3);
  background:var(--surface);
  border-top:1px solid var(--line);
}
.checklist{margin:20px 0 0;display:grid;gap:12px;}
.checklist li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}
.checklist li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--accent);
}
.inline-note{
  margin-top:24px;
  padding:18px 22px;
  border-left:3px solid var(--brand);
  background:var(--brand-soft);
  border-radius:0 12px 12px 0;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* 要点速记 */
.fact-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.fact-row{
  display:flex;
  gap:20px;
  padding:22px 26px;
  border-top:1px solid var(--line);
  transition:background .22s ease;
}
.fact-row:first-child{border-top:none;}
.fact-row:hover{background:var(--brand-soft);}
.fact-no{
  flex:0 0 40px;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.04em;
  padding-top:4px;
}
.fact-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);margin-bottom:6px;}
.fact-body p{font-size:15px;color:var(--ink-2);}

/* FAQ */
.faq-wrap{max-width:900px;}
.faq-accordion{margin:0;background:transparent;}
.faq-accordion .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:12px;
  margin-bottom:12px;
  box-shadow:var(--shadow-sm);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-accordion .accordion-item:hover{box-shadow:var(--shadow-md);}
.faq-accordion .accordion-item.is-active{border-left-color:var(--brand);}
.faq-accordion .accordion-title{
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  border:none;
  background:transparent;
}
.faq-accordion .accordion-title::before{
  content:"+";
  float:right;
  margin-left:16px;
  font-size:20px;
  font-weight:400;
  line-height:1.2;
  color:var(--brand);
  background:none;
  width:auto;height:auto;
  top:auto;right:auto;
  transform:none;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.faq-accordion .accordion-content{
  padding:0 24px 22px;
  border:none;
  background:transparent;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.8;
}
.faq-accordion .accordion-content p{color:var(--ink-2);}

/* CTA */
.cta-band{
  background:var(--brand-soft);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.4;color:var(--ink);}
.cta-band p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.copy-row{
  margin-top:20px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  max-width:520px;
}
.copy-row input{
  flex:1 1 260px;
  min-height:48px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r);
  background:#fff;
  font-size:14px;
  color:var(--ink-2);
}
.copy-row input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,75,117,.14);}
.copy-hint{font-size:13px;color:var(--ok);margin-top:8px;min-height:20px;}

/* 页脚 */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.82);
  padding:72px 0 28px;
  margin-top:0;
}
.site-footer .row{padding-top:0;}
.site-footer .column{padding-bottom:0;}
.footer-brand{display:flex;flex-direction:column;gap:18px;}
.site-footer .nav-logo{color:#fff;}
.site-footer .logo-mark{background:var(--accent);}
.site-footer .logo-text strong{color:#fff;}
.site-footer .logo-text em{color:rgba(255,255,255,.62);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.76);max-width:340px;}
.footer-col h3{
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:4px;}
.footer-col ul a,
.footer-note a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:14px;
  color:rgba(255,255,255,.78);
}
.footer-col ul a:hover,
.footer-note a:hover{color:var(--accent);}
.footer-note{display:flex;flex-direction:column;gap:6px;}
.footer-note span{font-size:14px;line-height:1.8;color:rgba(255,255,255,.76);}
.footer-note a{min-height:auto;color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.62);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:var(--accent);}

/* 响应式 */
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .toc{margin-bottom:32px;}
  .doc-section + .doc-section{margin-top:48px;}
}
@media screen and (max-width:639px){
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .page-hero{padding:56px 0 48px;}
  .page-hero .hero-sub{font-size:15px;}
  .cta-band{padding:26px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .fact-row{padding:18px 18px;gap:14px;}
  .fact-no{flex:0 0 30px;}
  .faq-accordion .accordion-title{padding:18px 18px;font-size:15px;}
  .faq-accordion .accordion-content{padding:0 18px 20px;}
  .copy-row input{flex:1 1 100%;}
  .footer-brand p{max-width:none;}
  .site-footer{padding:56px 0 24px;}
}

/* roulang page: category2 */
:root{
  --brand:#1B4B75;
  --brand-deep:#123B5C;
  --brand-mid:#2E6A9E;
  --brand-soft:#E8F0F7;
  --accent:#E08A2E;
  --accent-soft:#FDF1E1;
  --ink:#16232E;
  --ink-2:#4A5C6B;
  --ink-3:#7B8B99;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --line:#E3EAF0;
  --ok:#2F7D6B;
  --r-sm:6px;
  --r:10px;
  --r-lg:16px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(18,59,92,.06);
  --shadow-md:0 8px 24px -12px rgba(18,59,92,.18);
  --shadow-lg:0 24px 48px -24px rgba(18,59,92,.22);
  --container:1200px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--nav-h);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
a:hover,a:focus{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 2px var(--accent);border-radius:var(--r-sm);}
.num{font-variant-numeric:tabular-nums;}

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

/* ============ 按钮 ============ */
.button,.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 22px;border-radius:var(--r);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
  text-align:center;
}
.btn-primary,.button.primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover,.btn-primary:focus,.button.primary:hover,.button.primary:focus{background:var(--brand-deep);color:#fff;border-color:var(--brand-deep);transform:translateY(-1px);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:var(--brand);}
.btn-outline:hover,.btn-outline:focus{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-accent:hover,.btn-accent:focus{background:#C9761F;color:#fff;border-color:#C9761F;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand);border:none;height:44px;padding:0 4px;box-shadow:inset 0 -1px 0 rgba(27,75,117,.35);}
.btn-ghost:hover,.btn-ghost:focus{color:var(--brand-deep);box-shadow:inset 0 -2px 0 var(--accent);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:height .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.nav-shell{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  transition:height .22s ease;
}
.site-header.is-scrolled .nav-shell{height:60px;}
.nav-side{display:flex;align-items:center;gap:4px;flex:1 1 0;min-width:0;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;gap:10px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 12px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s ease;
}
.nav-link:hover,.nav-link:focus{color:var(--brand);}
.nav-link:hover::after,.nav-link:focus::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-logo{
  display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;
  color:var(--ink);
}
.logo-mark{
  width:40px;height:40px;border-radius:var(--r);flex:0 0 40px;
  background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:.02em;
  box-shadow:inset 0 -3px 0 var(--accent);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text strong{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;}
.logo-text em{font-style:normal;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink-3);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--surface);padding:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
  display:none;position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;z-index:55;
  background:var(--surface);border-top:1px solid var(--line);
  padding:16px 20px 32px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:transform .24s ease,opacity .24s ease;
}
.mobile-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.mobile-nav .m-label{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink-3);padding:14px 4px 6px;}
.mobile-nav a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 12px;border-radius:var(--r);
  font-size:16px;font-weight:500;color:var(--ink-2);
}
.mobile-nav a.m-link:hover,.mobile-nav a.m-link:focus{background:var(--brand-soft);color:var(--brand);}
.mobile-nav a.m-link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.mobile-nav .m-link::after{content:"›";color:var(--accent);font-size:18px;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover,.breadcrumb a:focus{color:var(--brand);}
.breadcrumb .sep{color:var(--ink-3);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ============ Hero（窄头图 · 无叠卡） ============ */
.cat-hero{
  position:relative;
  min-height:260px;
  display:flex;align-items:center;
  background-color:var(--brand-deep);
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.cat-hero::before{content:"";position:absolute;inset:0;background:rgba(18,59,92,.78);}
.cat-hero .container{position:relative;z-index:2;padding-top:28px;padding-bottom:28px;}
.cat-hero .breadcrumb{color:rgba(255,255,255,.72);margin-bottom:14px;}
.cat-hero .breadcrumb a{color:rgba(255,255,255,.72);}
.cat-hero .breadcrumb a:hover,.cat-hero .breadcrumb a:focus{color:#fff;}
.cat-hero .breadcrumb .sep{color:rgba(255,255,255,.45);}
.cat-hero .breadcrumb .current{color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--accent);
  margin-bottom:10px;
}
.eyebrow::before{content:"";width:3px;height:14px;background:var(--accent);border-radius:2px;display:inline-block;}
.cat-hero h1{
  font-size:clamp(26px,3.4vw,38px);line-height:1.25;letter-spacing:.01em;
  color:#fff;max-width:880px;
}
.cat-hero .hero-sub{
  margin-top:12px;max-width:760px;
  font-size:15px;line-height:1.75;color:rgba(255,255,255,.82);
}
.cat-hero .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.hero-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:12px;font-weight:600;letter-spacing:.04em;color:#fff;
}
.hero-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}

/* ============ 筛选标签 ============ */
.filter-bar{
  background:var(--surface);border-bottom:1px solid var(--line);
}
.filter-bar .container{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px;}
.filter-label{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.04em;}
.filter-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;min-height:34px;padding:6px 14px;
  border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);
  font-size:13px;font-weight:600;color:var(--ink-2);
}
.tag.is-on{background:var(--brand-soft);border-color:#C9DCEB;color:var(--brand);}
.tag.accent{background:var(--accent-soft);border-color:#F5DCB9;color:#B26C15;}

/* ============ 板块通用 ============ */
.section{padding:72px 0;}
.section.tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.section-head h2{font-size:clamp(23px,2.5vw,30px);line-height:1.35;}
.section-head .lead{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:720px;}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;min-height:44px;}
.section-head .more:hover,.section-head .more:focus{color:var(--accent);}

/* ============ 卡片网格 2×2 ============ */
.grid-2x2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.card:hover,.card:focus-within{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D5E3EE;}
.card .card-media{position:relative;aspect-ratio:16/9;background:var(--brand-soft);}
.card .card-media img{width:100%;height:100%;object-fit:cover;}
.card .card-media .badge-float{
  position:absolute;left:14px;top:14px;
  padding:4px 10px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.94);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.card .card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card h3{font-size:19px;font-weight:600;line-height:1.5;}
.card p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0;}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-foot .meta{font-size:13px;color:var(--ink-3);}
.card-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;min-height:44px;}
.card-link:hover,.card-link:focus{color:var(--accent);}

/* ============ 对照表 ============ */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-sm);padding:8px 24px 16px;overflow:hidden;
}
.compare-table{width:100%;border-collapse:collapse;}
.compare-table th,.compare-table td{
  text-align:left;padding:0 16px;height:56px;vertical-align:middle;
  font-size:15px;border-bottom:1px solid var(--line);
}
.compare-table thead th{
  height:52px;background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.compare-table thead th:first-child{border-top-left-radius:var(--r);}
.compare-table thead th:last-child{border-top-right-radius:var(--r);}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody tr:hover{background:#F8FBFD;}
.compare-table td:first-child{font-weight:600;color:var(--ink);}
.compare-table td{color:var(--ink-2);}
.state{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;}
.state.ok{color:var(--ok);}
.state.mid{color:var(--accent);}
.state .dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block;}
.table-note{margin-top:14px;font-size:13px;color:var(--ink-3);line-height:1.7;}

/* ============ 要点流程（非卡片） ============ */
.steps{border-top:1px solid var(--line);}
.step{
  display:grid;grid-template-columns:72px minmax(0,1fr);gap:24px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.step .step-no{
  width:52px;height:52px;border-radius:var(--r);
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:15px;color:var(--ink-2);margin:0;}
.step .step-list{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px;}
.step .step-list li{
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-sm);padding:5px 11px;
}

/* ============ FAQ ============ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 56px 20px 24px;
  font-size:16px;font-weight:600;color:var(--ink);
  position:relative;transition:color .22s ease,background-color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:16px;height:16px;
  transform:translateY(-50%);
  background:
    linear-gradient(var(--brand),var(--brand)) center/16px 2px no-repeat,
    linear-gradient(var(--brand),var(--brand)) center/2px 16px no-repeat;
  transition:background-size .22s ease;
}
.faq-item[open] summary::after{
  background:
    linear-gradient(var(--accent),var(--accent)) center/16px 2px no-repeat,
    linear-gradient(var(--accent),var(--accent)) center/2px 0 no-repeat;
}
.faq-item[open] summary{color:var(--brand);background:#FAFCFE;}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--brand);}
.faq-item .faq-body{padding:0 56px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);}
.faq-item summary:hover{color:var(--brand);}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-soft);border:1px solid #D5E5F1;border-radius:var(--r-lg);
  padding:32px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;
}
.cta-band h2{font-size:clamp(21px,2.2vw,26px);margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--ink-2);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.copy-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.copy-row input{
  flex:1 1 240px;height:48px;padding:0 14px;border-radius:var(--r);
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:14px;
}
.copy-row input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,75,117,.12);}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:#D6E4EF;padding:64px 0 0;margin-top:80px;}
.site-footer .row{max-width:var(--container);margin:0 auto;padding:0 24px;}
.site-footer .footer-brand .nav-logo{color:#fff;margin-bottom:16px;}
.site-footer .footer-brand .logo-text strong{color:#fff;}
.site-footer .footer-brand .logo-text em{color:#9DBBD4;}
.site-footer .footer-brand .logo-mark{background:#fff;color:var(--brand-deep);box-shadow:inset 0 -3px 0 var(--accent);}
.site-footer .footer-brand p{font-size:14px;line-height:1.8;color:#A9C4DA;max-width:420px;}
.site-footer h3{font-size:14px;font-weight:700;letter-spacing:.04em;color:#fff;margin-bottom:16px;}
.site-footer .footer-col ul li{margin-bottom:10px;}
.site-footer .footer-col a{font-size:14px;color:#BFD5E6;display:inline-flex;align-items:center;min-height:32px;}
.site-footer .footer-col a:hover,.site-footer .footer-col a:focus{color:var(--accent);}
.site-footer .footer-note{display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.75;color:#A9C4DA;}
.site-footer .footer-note a{color:var(--accent);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#9DBBD4;
}
.footer-bottom a{color:#BFD5E6;}
.footer-bottom a:hover,.footer-bottom a:focus{color:var(--accent);}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  :root{--container:1100px;}
}
@media screen and (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:flex;}
  .mobile-nav{display:block;}
  .nav-shell,.nav-logo{justify-content:flex-start;}
  .nav-shell{padding:0 20px;}
  .site-header.is-scrolled .nav-shell{height:64px;}
  .section{padding:64px 0;}
  .section.tight{padding:48px 0;}
  .grid-2x2{gap:20px;}
}
@media screen and (max-width:767px){
  body{padding-top:68px;--nav-h:68px;}
  .container{padding:0 16px;}
  .nav-shell{padding:0 16px;}
  .cat-hero{min-height:230px;}
  .cat-hero .hero-sub{font-size:14px;}
  .grid-2x2{grid-template-columns:minmax(0,1fr);gap:16px;}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:24px;}
  .step{grid-template-columns:56px minmax(0,1fr);gap:16px;padding:22px 0;}
  .step .step-no{width:44px;height:44px;font-size:16px;}
  .table-wrap{padding:6px 16px 14px;}
  .compare-table thead{display:none;}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%;}
  .compare-table tr{border-bottom:1px solid var(--line);padding:8px 0;}
  .compare-table tr:last-child{border-bottom:none;}
  .compare-table td{
    height:auto;padding:6px 0;border-bottom:none;display:flex;gap:14px;align-items:baseline;
    font-size:14px;
  }
  .compare-table td::before{
    content:attr(data-th);flex:0 0 84px;font-size:12px;font-weight:700;
    letter-spacing:.04em;color:var(--ink-3);
  }
  .faq-item summary{padding:18px 48px 18px 18px;font-size:15px;}
  .faq-item summary::after{right:18px;}
  .faq-item .faq-body{padding:0 48px 18px 18px;font-size:14px;}
  .site-footer{padding:48px 0 0;margin-top:56px;}
  .site-footer .row{padding:0 16px;}
  .site-footer .footer-col{margin-top:32px;}
  .footer-bottom{margin-top:32px;}
  .mobile-nav{top:68px;}
}
@media screen and (max-width:519px){
  .cat-hero{min-height:210px;}
  .cat-hero h1{font-size:24px;}
  .logo-text strong{font-size:14px;white-space:normal;}
  .logo-text em{font-size:11px;}
  .card .card-body{padding:18px 18px 20px;}
  .card h3{font-size:17px;}
  .filter-bar .container{gap:8px;padding-top:12px;padding-bottom:12px;}
  .hero-chip{font-size:11px;padding:4px 10px;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --brand:#1B4B75;
  --brand-deep:#123B5C;
  --brand-mid:#2E6A9E;
  --brand-soft:#E8F0F7;
  --accent:#E08A2E;
  --accent-soft:#FDF1E1;
  --ink:#16232E;
  --ink-2:#4A5C6B;
  --ink-3:#7B8B99;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --line:#E3EAF0;
  --ok:#2F7D6B;
  --r-sm:6px;
  --r:10px;
  --r-lg:16px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(18,59,92,.06);
  --shadow-md:0 8px 24px -12px rgba(18,59,92,.18);
  --shadow-lg:0 24px 48px -24px rgba(18,59,92,.22);
  --sec-lg:96px;
  --sec-md:72px;
  --sec-sm:56px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.nav-shell{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  transition:height .24s ease;
}
.site-header.is-scrolled .nav-shell{height:60px;}
.nav-side{display:flex;align-items:center;gap:22px;flex:1 1 0;min-width:0;}
.nav-right{justify-content:flex-end;gap:18px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 2px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;letter-spacing:.02em;
  box-shadow:var(--shadow-sm);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text strong{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--ink-3);}
.nav-toggle{
  display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--surface);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:79;
  background:var(--surface);border-top:1px solid var(--line);
  padding:16px 20px 40px;
  transform:translateY(-10px);opacity:0;pointer-events:none;
  transition:transform .24s ease,opacity .24s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.mobile-drawer .drawer-label{
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink-3);
  padding:14px 4px 8px;border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 4px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link.is-active{color:var(--brand);font-weight:600;}
.mobile-drawer .drawer-cta{margin-top:20px;}
.mobile-drawer .drawer-cta .btn{width:100%;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--r);
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:none;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#C9761F;color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm);}
.btn-ghost{
  background:transparent;color:var(--brand);border:0;height:44px;padding:0;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.btn-ghost:hover{text-decoration-offset:7px;color:var(--brand-deep);}

/* ============ Badges ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-sm);background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-accent{background:var(--accent-soft);color:#B96C18;}

/* ============ Breadcrumb ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-3);padding:24px 0 0;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B9C6D1;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--brand-deep);
  border-radius:0 0 var(--r-lg) var(--r-lg);
}
.cat-hero .hero-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.34;
}
.cat-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,59,92,.86) 0%,rgba(18,59,92,.92) 100%);
}
.cat-hero .hero-inner{position:relative;z-index:2;padding:64px 0 60px;}
.cat-hero .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.08em;color:#BBD3E6;
}
.cat-hero .eyebrow::before{content:"";width:3px;height:14px;background:var(--accent);border-radius:2px;}
.cat-hero h1{
  margin-top:18px;
  font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.25;letter-spacing:.01em;
  color:#fff;max-width:16em;
}
.cat-hero .hero-sub{
  margin-top:18px;max-width:44em;font-size:16px;line-height:1.85;color:#CADEEE;
}
.cat-hero .hero-tags{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px;}
.cat-hero .hero-tags .badge{background:rgba(255,255,255,.12);color:#E4EFF7;}
.hero-facts{
  border-left:1px solid rgba(255,255,255,.22);
  padding-left:26px;margin-top:8px;
}
.hero-facts .fact{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14);}
.hero-facts .fact:last-child{border-bottom:0;}
.hero-facts .fact b{
  display:block;font-size:22px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.hero-facts .fact span{font-size:13px;color:#A9C4DA;letter-spacing:.04em;}

/* ============ Section base ============ */
.section{padding:var(--sec-lg) 0;}
.section--tight{padding:var(--sec-md) 0;}
.section-head{margin-bottom:40px;max-width:44em;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--accent);
}
.section-head .kicker::before{content:"";width:3px;height:13px;background:var(--accent);border-radius:2px;}
.section-head h2{
  margin-top:14px;font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.35;letter-spacing:.01em;
}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.85;}

/* ============ Principles ============ */
.principles{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:8px 28px;box-shadow:var(--shadow-sm);
}
.principle{
  display:flex;gap:20px;align-items:flex-start;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.principle:last-child{border-bottom:0;}
.principle .p-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:var(--r-sm);
  background:var(--accent-soft);color:#B96C18;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.principle h3{font-size:17px;font-weight:600;line-height:1.5;}
.principle p{margin-top:6px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ============ Timeline ============ */
.timeline{position:relative;padding-top:8px;}
.timeline::before{
  content:"";position:absolute;left:29px;top:34px;bottom:60px;width:2px;
  background:linear-gradient(180deg,var(--line) 0%,var(--line) 88%,rgba(227,234,240,0) 100%);
}
.tl-item{position:relative;display:flex;gap:30px;padding-bottom:56px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:relative;z-index:2;flex:0 0 auto;
  width:60px;height:60px;border-radius:var(--r-lg);
  background:var(--accent-soft);border:1px solid #F2D9BA;color:#B96C18;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px var(--bg);
}
.tl-body{padding-top:6px;max-width:46em;}
.tl-body h3{font-size:20px;font-weight:600;line-height:1.5;}
.tl-body .tl-meta{
  margin-top:8px;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
}
.tl-body p{margin-top:12px;font-size:16px;color:var(--ink-2);line-height:1.85;}
.tl-list{margin-top:16px;}
.tl-list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);line-height:1.8;
  margin-bottom:8px;
}
.tl-list li::before{
  content:"";position:absolute;left:0;top:.68em;
  width:6px;height:6px;background:var(--brand-mid);border-radius:1px;
}

/* ============ Figure ============ */
.figure-band{
  margin-top:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);
}
.figure-band img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure-band figcaption{
  padding:22px 28px 26px;font-size:14px;color:var(--ink-3);line-height:1.8;
  border-top:1px solid var(--line);
}
.figure-band figcaption b{display:block;font-size:16px;color:var(--ink);font-weight:600;margin-bottom:6px;}

/* ============ Checklist column ============ */
.note-panel{
  background:var(--brand-soft);border-radius:var(--r-lg);
  padding:32px 30px;border:1px solid #D7E4EF;
}
.note-panel h3{font-size:18px;font-weight:700;}
.note-panel p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.check-list{margin-top:20px;}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;line-height:1.8;
  color:var(--ink-2);margin-bottom:12px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:7px;width:14px;height:8px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);border-radius:1px;
}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:24px 4px 24px 0;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
  position:relative;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--brand-mid);
  font-weight:400;transition:transform .22s ease;transform:translateY(-2px);
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--brand);}
.faq-item .faq-body{
  padding:0 60px 26px 20px;position:relative;
  font-size:15px;color:var(--ink-2);line-height:1.85;
}
.faq-item .faq-body::before{
  content:"";position:absolute;left:0;top:4px;bottom:26px;width:3px;
  background:var(--brand);border-radius:2px;
}
.faq-item .faq-body p+p{margin-top:12px;}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-soft);border-radius:var(--r-lg);
  padding:44px 40px;border:1px solid #D7E4EF;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band .cta-copy{max-width:40em;}
.cta-band h2{font-size:clamp(22px,2.2vw,28px);font-weight:700;line-height:1.35;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ Footer ============ */
.site-footer{
  background:var(--brand-deep);color:#D5E4EF;
  padding:72px 0 28px;margin-top:0;
}
.site-footer .row{padding:0 24px;max-width:1200px;margin:0 auto;}
.footer-brand .nav-logo{margin-bottom:18px;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:#93B4D0;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9C4DA;max-width:34em;}
.footer-col h3{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:#fff;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#A9C4DA;}
.footer-col a:hover{color:var(--accent);}
.footer-note span{display:block;font-size:14px;line-height:1.8;color:#A9C4DA;margin-bottom:10px;}
.footer-note a{color:var(--accent);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FB0CC;
}
.footer-bottom a{color:#8FB0CC;}
.footer-bottom a:hover{color:var(--accent);}

/* ============ Responsive ============ */
@media screen and (max-width:1199px){
  .container{padding:0 24px;}
}
@media screen and (max-width:1023px){
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .nav-shell{justify-content:space-between;}
  .nav-shell > .nav-logo{order:1;}
  .nav-shell > .nav-toggle{order:2;}
  .nav-shell > .nav-side{order:3;}
  .section{padding:72px 0;}
  .cat-hero .hero-inner{padding:52px 0 48px;}
  .hero-facts{border-left:0;border-top:1px solid rgba(255,255,255,.2);padding-left:0;padding-top:20px;margin-top:32px;}
  .hero-facts .fact{display:inline-block;width:32%;border-bottom:0;vertical-align:top;}
  .cta-band{padding:36px 28px;}
}
@media screen and (max-width:767px){
  .section{padding:56px 0;}
  .section--tight{padding:52px 0;}
  .container{padding:0 16px;}
  .site-footer .row{padding:0 16px;}
  .tl-item{gap:18px;padding-bottom:44px;}
  .tl-num{width:48px;height:48px;font-size:15px;border-radius:var(--r);}
  .timeline::before{left:23px;top:28px;bottom:48px;}
  .tl-body h3{font-size:18px;}
  .principles{padding:4px 20px;}
  .principle{gap:14px;padding:20px 0;}
  .faq-item .faq-body{padding:0 20px 22px 18px;}
  .faq-item summary{padding:20px 0;font-size:15px;}
  .cta-band{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .figure-band figcaption{padding:18px 20px 22px;}
  .note-panel{padding:24px 22px;}
  .hero-facts .fact{width:100%;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.14);}
  .hero-facts .fact:last-child{border-bottom:0;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media screen and (max-width:519px){
  .cat-hero .hero-tags{gap:8px;}
  .btn{height:46px;padding:0 20px;font-size:14px;}
}