/* roulang page: index */
:root{
  --c-primary:#1C5D8C;
  --c-primary-dark:#12405F;
  --c-primary-light:#E3EDF5;
  --c-accent:#DE7B3C;
  --c-teal:#2E8B7A;
  --c-bg:#F5F7F9;
  --c-card:#FFFFFF;
  --c-surface:#EDF2F6;
  --c-text:#17242F;
  --c-text-sub:#5B6B78;
  --c-text-weak:#93A1AD;
  --c-line:#DDE5EB;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,63,89,.06), 0 6px 20px rgba(18,63,89,.07);
  --sh-2:0 10px 28px rgba(18,63,89,.12);
  --sp-section:96px;
  --sp-section-md:64px;
  --sp-section-sm:48px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--c-text);line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums}
::selection{background:var(--c-primary-light);color:var(--c-primary-dark)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

/* ---------- 覆盖 Foundation 默认外观 ---------- */
.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:32px;padding-right:32px}
.grid-x{margin-left:0;margin-right:0}
.grid-x>.cell{padding-left:0;padding-right:0;min-width:0}
.button,.button.primary,.button.secondary,.button.success,.button.alert{
  background:var(--c-primary);color:#fff;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;padding:0 24px;line-height:42px;height:42px;margin:0;
  box-shadow:none;transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
}
.button:hover,.button:focus{background:var(--c-primary-dark);color:#fff;text-decoration:none}
.callout{background:var(--c-primary-light);border:0;border-left:4px solid var(--c-primary);border-radius:var(--r-card);color:var(--c-text);padding:24px 28px;margin:0}
.callout>:last-child{margin-bottom:0}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{border:0;background:transparent}
.accordion-title{border:0;background:#fff;padding:0}
.accordion-content{border:0;background:#fff;padding:0}
table{border-collapse:collapse;border:0;width:100%;margin:0}
table thead,table tbody{border:0;background:transparent}
table th,table td{border:0;padding:0}
.off-canvas{background:#fff}
.menu a{color:inherit;display:block}

/* ---------- 布局容器 ---------- */
.site-container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:var(--sp-section) 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--c-surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:26px;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary)}
.section-head .head-sub{margin-top:8px;font-size:14px;color:var(--c-text-sub);padding-left:16px}
.section-link{font-size:14px;font-weight:500;white-space:nowrap}
.section-link i{margin-left:6px;font-size:12px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-dark);color:#fff;font-size:13px;height:36px}
.topbar .site-container{display:flex;align-items:center;justify-content:space-between;height:36px;gap:20px}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.3px;font-variant-numeric:tabular-nums;color:#fff}
.topbar-tip{color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.topbar-link{color:rgba(255,255,255,.86);font-size:13px}
.topbar-link:hover{color:#fff}
.topbar-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid rgba(222,123,60,.75);color:#F3C29E;font-size:12px;background:transparent;
}
.topbar-pill:hover{background:rgba(222,123,60,.16);color:#fff;text-decoration:none}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,63,89,.08)}
.mainnav{height:72px}
.mainnav .site-container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(28,93,140,.28);
}
.brand-text{font-size:19px;font-weight:700;color:var(--c-primary-dark);letter-spacing:.2px;white-space:nowrap}
.brand-text:hover{text-decoration:none;color:var(--c-primary)}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{
  display:inline-block;padding:0 14px;line-height:72px;font-size:15px;font-weight:500;color:var(--c-text);
  position:relative;
}
.nav-list a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:20px;height:2px;border-radius:2px;background:transparent;transition:background .2s ease;
}
.nav-list a:hover{color:var(--c-primary);text-decoration:none}
.nav-list a.is-active{color:var(--c-primary)}
.nav-list a.is-active::after{background:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);
  color:var(--c-primary-dark);font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--sh-2)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#c96a2f;color:#fff;box-shadow:0 10px 24px rgba(222,123,60,.28)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-line)}
.btn-outline:hover{background:var(--c-primary-light);border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm{height:34px;padding:0 16px;font-size:13px}

.link-more{font-size:14px;font-weight:500}
.link-more i{margin-left:6px;font-size:12px;transition:transform .2s ease}
.link-more:hover i{transform:translateX(3px)}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary);font-size:12px;font-weight:500;
}
.badge-hot{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;
}
.badge-ok{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(46,139,122,.12);color:var(--c-teal);font-size:12px;font-weight:500;
}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);padding:72px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary-dark);font-size:13px;font-weight:500;margin-bottom:20px;
}
.hero h1{font-size:40px;font-weight:700;line-height:1.3;letter-spacing:-.3px}
.hero h1 em{font-style:normal;color:var(--c-primary);border-bottom:3px solid rgba(222,123,60,.5)}
.hero-sub{margin-top:16px;font-size:17px;color:var(--c-text-sub);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px;padding-top:26px;border-top:1px solid var(--c-line)}
.metric-num{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.2}
.metric-num small{font-size:14px;font-weight:500;margin-left:2px}
.metric-label{font-size:13px;color:var(--c-text-weak);margin-top:4px}
.hero-visual{position:relative}
.hero-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-float{
  position:absolute;right:-8px;bottom:-24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:14px 18px;display:flex;align-items:center;gap:12px;max-width:290px;
}
.hero-float i{color:var(--c-teal);font-size:18px}
.hero-float strong{display:block;font-size:14px;font-weight:600}
.hero-float span{font-size:12px;color:var(--c-text-weak)}

/* ---------- 卡片基础 ---------- */
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFDCE5}
.card-media{display:block;overflow:hidden;border-radius:0}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.ratio-16x9{aspect-ratio:16/9}
.ratio-4x3{aspect-ratio:4/3}
.card-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{font-size:18px;font-weight:600;line-height:1.5}
.card-title a{color:var(--c-text)}
.card-title a:hover{color:var(--c-primary);text-decoration:none}
.card-text{font-size:14px;color:var(--c-text-sub);line-height:1.7}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  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-text-weak);
}
.card-foot a{font-size:13px;font-weight:500}

/* ---------- 入口概览 ---------- */
.overview-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}
.overview-main{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch}
.overview-main .overview-media{overflow:hidden;border-radius:0}
.overview-main .overview-media img{width:100%;height:100%;min-height:320px;object-fit:cover}
.overview-main .overview-copy{padding:40px 36px;display:flex;flex-direction:column;gap:16px}
.overview-copy h3{font-size:22px}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--c-text-sub);line-height:1.68}
.check-list li i{color:var(--c-teal);font-size:14px;margin-top:5px;flex-shrink:0}
.overview-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.side-card{display:grid;grid-template-columns:104px 1fr;gap:0}
.side-card .card-media{height:100%}
.side-card .card-media img{height:100%;object-fit:cover}
.side-card .card-body{padding:20px 22px;gap:8px}
.side-card .card-title{font-size:17px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card.is-feature{grid-column:span 2}
.news-card.is-feature .card-media img{aspect-ratio:16/9}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state i{font-size:44px;color:#C6D3DC}
.empty-state p{font-size:14px;color:var(--c-text-sub)}

/* ---------- 权益对比表 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow-x:auto;overflow-y:hidden;
}
.compare-table{min-width:680px;width:100%;table-layout:fixed}
.compare-table th,.compare-table td{text-align:center;vertical-align:middle}
.compare-table thead th{background:var(--c-primary-light);padding:20px 16px;border-bottom:1px solid #CFDCE5}
.compare-table thead th:first-child{text-align:left;font-size:14px;color:var(--c-text-sub);font-weight:500;width:26%}
.plan-head{display:flex;flex-direction:column;align-items:center;gap:8px}
.plan-name{font-size:16px;font-weight:600;color:var(--c-primary-dark)}
.plan-price{font-size:22px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}
.plan-price small{font-size:12px;font-weight:500;color:var(--c-text-weak);margin-left:2px}
.plan-col-reco{position:relative;border-left:2px solid var(--c-accent);border-right:2px solid var(--c-accent)}
.plan-col-reco::before{
  content:"推荐";position:absolute;top:-1px;left:50%;transform:translate(-50%,-50%);
  background:var(--c-accent);color:#fff;font-size:11px;font-weight:600;padding:2px 12px;border-radius:var(--r-pill);
}
.compare-table tbody tr{border-bottom:1px solid var(--c-line)}
.compare-table tbody tr:last-child{border-bottom:0}
.compare-table tbody th{
  text-align:left;font-weight:500;font-size:14px;color:var(--c-text);padding:0 20px;height:56px;
}
.compare-table tbody th i{color:var(--c-primary);margin-right:8px;font-size:13px;width:16px;display:inline-block}
.compare-table tbody td{height:56px;font-size:14px;color:var(--c-text-sub);font-variant-numeric:tabular-nums}
.compare-table td .fa-check{color:var(--c-teal);font-size:15px}
.compare-table td .dash{color:#C6D3DC}
.table-scroll-tip{display:none;font-size:13px;color:var(--c-text-weak);margin-top:10px;text-align:center}
.table-legend{font-size:13px;color:var(--c-text-weak);margin-top:14px}

/* ---------- 等级亮点 ---------- */
.levels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.level-card{padding:28px;gap:0}
.level-card .card-body{padding:28px;gap:14px}
.level-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.level-name{font-size:16px;font-weight:600}
.level-desc{font-size:13px;color:var(--c-text-weak);margin-top:2px}
.level-price{font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2;font-variant-numeric:tabular-nums}
.level-price small{font-size:13px;font-weight:500;color:var(--c-text-weak);margin-left:4px}
.level-list{display:flex;flex-direction:column;gap:10px;margin:4px 0 6px}
.level-list li{display:flex;gap:10px;font-size:14px;color:var(--c-text-sub);line-height:1.6}
.level-list li i{color:var(--c-teal);font-size:13px;margin-top:5px;flex-shrink:0}
.level-card.is-reco{border:2px solid var(--c-accent);transform:translateY(-12px);box-shadow:var(--sh-2)}
.level-card.is-reco:hover{transform:translateY(-15px)}
.level-card .btn{width:100%;margin-top:auto}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.preview-card{position:relative}
.preview-lock{
  position:absolute;left:0;right:0;bottom:0;top:38%;
  background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.94) 46%,#fff 100%);
  display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:10px;padding:16px;
  border-radius:0 0 var(--r-card) var(--r-card);
}
.preview-lock i{color:var(--c-primary);font-size:20px}
.preview-lock .lbl{font-size:13px;color:var(--c-text-sub)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:10px;box-shadow:var(--sh-1);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:#C9D9E4}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 26px;font-size:16px;font-weight:600;color:var(--c-text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{display:none;content:""}
.faq-item summary:hover{color:var(--c-primary)}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-answer{padding:0 26px 22px;font-size:15px;line-height:1.8;color:var(--c-text-sub)}
.faq-answer p+p{margin-top:10px}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;background:var(--c-primary-dark);border-radius:14px;overflow:hidden;
  padding:56px 60px;color:#fff;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);pointer-events:none;
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{color:#fff;font-size:28px;font-weight:600}
.cta-copy p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.82);max-width:36em}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;justify-content:flex-end;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:#fff;margin-top:0;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:32em}
.footer-domain{margin-top:16px;font-size:13px;color:rgba(255,255,255,.55);font-variant-numeric:tabular-nums}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact li{display:flex;gap:10px;line-height:1.7}
.footer-contact i{color:rgba(255,255,255,.5);margin-top:4px;font-size:13px;width:16px;flex-shrink:0}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.16);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:-12px 0 32px rgba(18,63,89,.16);padding:20px 0 0;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:44px;height:44px;border:0;background:transparent;font-size:18px;color:var(--c-text-sub);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;flex:1;overflow-y:auto}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 20px;font-size:15px;color:var(--c-text);font-weight:500;
  border-left:3px solid transparent;
}
.drawer-nav a.is-active{color:var(--c-primary);background:var(--c-primary-light);border-left-color:var(--c-primary)}
.drawer-nav a:hover{text-decoration:none;background:var(--c-surface)}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--c-line)}
.drawer-foot .btn{width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,63,89,.42);z-index:80;opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.skip-link{
  position:absolute;left:-9999px;top:0;background:#fff;color:var(--c-primary);padding:10px 18px;border-radius:0 0 8px 0;z-index:120;
}
.skip-link:focus{left:0}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .site-container,.grid-container{padding-left:28px;padding-right:28px}
  .hero h1{font-size:34px}
  .preview-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:48px 44px}
}
@media (max-width:959px){
  :root{--sp-section:64px}
  .section{padding:var(--sp-section) 0}
  .nav-list,.nav-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .mainnav,.mainnav .site-container{height:66px}
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-float{position:static;margin-top:16px;max-width:none}
  .hero-metrics{grid-template-columns:repeat(2,1fr);gap:18px}
  .overview-grid{grid-template-columns:1fr}
  .overview-main{grid-template-columns:1fr}
  .overview-main .overview-media img{min-height:220px}
  .overview-main .overview-copy{padding:30px 26px}
  .overview-side{grid-template-rows:auto auto}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card.is-feature{grid-column:span 2}
  .levels-grid{grid-template-columns:repeat(2,1fr)}
  .level-card.is-reco{transform:none}
  .level-card.is-reco:hover{transform:translateY(-3px)}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:24px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:639px){
  .site-container,.grid-container{padding-left:20px;padding-right:20px}
  .topbar-tip{display:none}
  .topbar-right .topbar-link{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:26px}
  .section-head h2{font-size:22px}
  .hero h1{font-size:27px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-metrics{grid-template-columns:repeat(2,1fr)}
  .metric-num{font-size:24px}
  .overview-side{grid-template-columns:1fr}
  .side-card{grid-template-columns:1fr}
  .side-card .card-media{aspect-ratio:16/9}
  .news-grid{grid-template-columns:1fr}
  .news-card.is-feature{grid-column:span 1}
  .levels-grid{grid-template-columns:1fr}
  .preview-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 24px}
  .cta-copy h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .table-scroll-tip{display:block}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-answer{padding:0 18px 18px;font-size:14px}
  .card-body{padding:20px 20px 22px}
}

/* roulang page: article */
:root{
  --c-primary:#1C5D8C;
  --c-primary-dark:#12405F;
  --c-primary-light:#E3EDF5;
  --c-accent:#DE7B3C;
  --c-accent-dark:#C96A2E;
  --c-teal:#2E8B7A;
  --c-bg:#F5F7F9;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF2F6;
  --c-text:#17242F;
  --c-text-2:#5B6B78;
  --c-text-3:#93A1AD;
  --c-line:#DDE5EB;
  --r-card:12px;
  --r-btn:8px;
  --shadow-1:0 1px 2px rgba(18,63,89,.06), 0 6px 20px rgba(18,63,89,.07);
  --shadow-2:0 10px 28px rgba(18,63,89,.12);
  --tr:.22s ease;
  --fs-h1:38px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;}
::selection{background:var(--c-primary-light);color:var(--c-primary-dark);}

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

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-dark);color:#fff;font-size:13px;line-height:1.6;}
.topbar .site-container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar-domain{font-weight:600;letter-spacing:.02em;white-space:nowrap;}
.topbar-tip{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.topbar-link{color:rgba(255,255,255,.82);font-size:13px;}
.topbar-link:hover{color:#fff;text-decoration:none;}
.topbar-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border:1px solid rgba(222,123,60,.9);background:rgba(222,123,60,.16);
  border-radius:999px;color:#fff;font-size:12px;transition:background var(--tr),border-color var(--tr);
}
.topbar-pill:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;text-decoration:none;}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;transition:box-shadow var(--tr);}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,63,89,.08);}
.mainnav{background:#fff;border-bottom:1px solid var(--c-line);}
.mainnav .site-container{position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;letter-spacing:.02em;
}
.brand-text{font-size:19px;font-weight:700;color:var(--c-primary-dark);letter-spacing:.01em;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-list a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--c-text-2);}
.nav-list a:hover{color:var(--c-primary);text-decoration:none;}
.nav-list a.is-active{color:var(--c-primary);}
.nav-list a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--c-primary);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;color:var(--c-primary-dark);align-items:center;justify-content:center;font-size:17px;
  transition:background var(--tr),border-color var(--tr);
}
.nav-toggle:hover{background:var(--c-primary-light);border-color:var(--c-primary);}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
  white-space:nowrap;line-height:1;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--shadow-2);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-dark);color:#fff;box-shadow:var(--shadow-2);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-line);}
.btn-outline:hover{background:var(--c-primary-light);border-color:var(--c-primary);color:var(--c-primary);}
.btn-lg{height:48px;padding:0 26px;font-size:16px;}

/* ---------- 页面主体 ---------- */
.page-main{padding:28px 0 88px;}

.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-text-2);margin-bottom:22px;}
.breadcrumb a{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-text-3);}
.breadcrumb .current{color:var(--c-text-2);max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;}
.article-col{min-width:0;}

.article-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:36px 40px 40px;
}
.article-head h1{
  font-size:30px;font-weight:700;line-height:1.4;color:var(--c-text);max-width:760px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:16px;font-size:13px;color:var(--c-text-3);
}
.article-meta .badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-light);color:var(--c-primary);font-size:12px;font-weight:600;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{font-size:12px;}
.article-divider{height:1px;background:var(--c-line);margin:26px 0 0;}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--c-text);max-width:760px;overflow-wrap:break-word;}
.article-body > * + *{margin-top:1.3em;}
.article-body p{margin:0;}
.article-body > * + p{margin-top:1.3em;}
.article-body h2{
  font-size:24px;font-weight:600;line-height:1.45;color:var(--c-text);
  padding-left:14px;border-left:4px solid var(--c-primary);margin-top:1.9em;
}
.article-body h3{font-size:19px;font-weight:600;color:var(--c-primary-dark);margin-top:1.6em;}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-primary);margin-top:1.4em;}
.article-body ul{margin-top:1.1em;}
.article-body ul li{position:relative;padding-left:20px;margin-top:.6em;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.74em;width:7px;height:7px;border-radius:2px;background:var(--c-primary);
}
.article-body ol{counter-reset:artnum;margin-top:1.1em;}
.article-body ol li{position:relative;padding-left:28px;margin-top:.6em;counter-increment:artnum;}
.article-body ol li::before{
  content:counter(artnum);position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:999px;
  background:var(--c-primary-light);color:var(--c-primary);font-size:12px;font-weight:700;
  display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:var(--c-primary-light);
  border-left:4px solid var(--c-primary);border-radius:0 10px 10px 0;color:var(--c-text-2);font-weight:500;
}
.article-body blockquote p{margin:0;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-primary-dark);}
.article-body img{border-radius:10px;margin:1.6em 0 .6em;width:100%;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px;}
.article-body table{width:100%;min-width:560px;font-size:15px;background:#fff;}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left;}
.article-body thead th{background:var(--c-primary-light);color:var(--c-primary-dark);font-weight:600;}
.article-body strong{font-weight:600;color:var(--c-primary-dark);}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}

.empty-state{
  padding:56px 20px;text-align:center;border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface-2);margin-top:26px;
}
.empty-state i{font-size:44px;color:var(--c-text-3);display:block;margin-bottom:14px;}
.empty-state p{font-size:14px;color:var(--c-text-2);margin-bottom:18px;}

/* ---------- 相关推荐 ---------- */
.related-block{margin-top:44px;}
.related-block h2{font-size:22px;font-weight:600;margin-bottom:20px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
  overflow:hidden;transition:transform var(--tr),box-shadow var(--tr);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body .card-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-text);}
.card-body .card-title a{color:inherit;}
.card-body .card-title a:hover{color:var(--c-primary);text-decoration:none;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}
.card-foot a{font-weight:600;font-size:13px;}

.article-foot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;padding-top:26px;border-top:1px solid var(--c-line);}

/* ---------- 侧栏 ---------- */
.sidebar-col{position:sticky;top:96px;}
.sidebar-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:22px 22px 24px;margin-bottom:20px;
}
.sidebar-card h2{font-size:16px;font-weight:600;color:var(--c-text);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.sidebar-card h2::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--c-primary);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;color:var(--c-text-2);border-bottom:1px dashed var(--c-line);
}
.side-links a:last-child{border-bottom:0;padding-bottom:0;}
.side-links a:hover{color:var(--c-primary);text-decoration:none;}
.side-links a.is-current{color:var(--c-primary);font-weight:600;}
.side-links a i{font-size:11px;color:var(--c-text-3);}
.side-links a.is-current i{color:var(--c-primary);}
.side-note{font-size:13px;line-height:1.8;color:var(--c-text-2);}
.side-note + .side-note{margin-top:8px;}
.side-cta{background:var(--c-primary-light);border:1px solid #CFE0EE;box-shadow:none;text-align:left;}
.side-cta h2{font-size:16px;}
.side-cta h2::before{background:var(--c-accent);}
.side-cta p{font-size:13px;line-height:1.8;color:var(--c-text-2);margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:#fff;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.4fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px;}
.footer-domain{font-size:13px;color:rgba(255,255,255,.5);margin-top:12px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.75);}
.footer-links a:hover{color:#fff;text-decoration:none;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:rgba(255,255,255,.75);}
.footer-contact i{color:var(--c-accent);margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.16);margin-top:44px;padding:20px 0 26px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:36px;}
  .sidebar-col{position:static;}
  .nav-toggle{display:inline-flex;}
  .nav-list{
    position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-2);padding:8px 0;z-index:90;
  }
  .mainnav.nav-open .nav-list{display:flex;}
  .nav-list a{padding:13px 32px;font-size:15px;width:100%;}
  .nav-list a.is-active::after{display:none;}
  .nav-list a.is-active{background:var(--c-primary-light);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:959px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .site-container{padding:0 20px;}
  .article-card{padding:26px 20px 30px;}
  .article-head h1{font-size:24px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .article-body table{min-width:480px;}
  .page-main{padding:22px 0 64px;}
  .topbar-tip{display:none;}
  .brand-text{font-size:17px;}
}
@media (max-width:639px){
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-foot-actions .btn{width:100%;}
  .topbar-right .topbar-link{display:none;}
  .nav-actions .btn-primary{display:none;}
}

/* roulang page: category1 */
:root{
  --c-brand:#1C5D8C;
  --c-brand-dark:#12405F;
  --c-brand-light:#E3EDF5;
  --c-accent:#DE7B3C;
  --c-teal:#2E8B7A;
  --c-bg:#F5F7F9;
  --c-card:#FFFFFF;
  --c-surface:#EDF2F6;
  --c-text:#17242F;
  --c-text-2:#5B6B78;
  --c-text-3:#93A1AD;
  --c-line:#DDE5EB;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,63,89,.06),0 6px 20px rgba(18,63,89,.07);
  --sh-2:0 10px 28px rgba(18,63,89,.12);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font-family:var(--font-cn)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.grid-container,
.site-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media screen and (min-width:960px){
  .grid-container,
  .site-container{padding-left:32px;padding-right:32px}
}
/* Foundation 覆盖 */
.button,button,table,.callout,.accordion{border-radius:0}
table{border-collapse:collapse;border-spacing:0}
.callout{margin:0;border:0;background:transparent}
.accordion{border:0;background:transparent}
.button{background:transparent}

/* 顶部信息条 */
.topbar{background:var(--c-brand-dark);color:#fff;font-size:13px;min-height:36px;display:flex;align-items:center}
.topbar .site-container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.4px}
.topbar-tip{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.topbar-link{color:rgba(255,255,255,.82);font-size:13px}
.topbar-link:hover{color:#fff;text-decoration:none}
.topbar-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;
  border:1px solid rgba(222,123,60,.8);border-radius:var(--r-pill);
  color:#fff;font-size:13px;font-weight:500;transition:background .2s ease,color .2s ease;
}
.topbar-pill:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;text-decoration:none}

/* 主导航 */
.mainnav{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .22s ease}
.mainnav.is-stuck{box-shadow:0 6px 20px rgba(18,63,89,.08)}
.mainnav .site-container{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-brand-dark);font-weight:700;font-size:18px;letter-spacing:.3px}
.brand:hover{text-decoration:none}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;background:var(--c-brand);
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;line-height:1;
}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;font-size:15px;font-weight:500;color:var(--c-text);
  border-radius:var(--r-btn);transition:color .2s ease,background .2s ease;
}
.nav-list a:hover{color:var(--c-brand);background:var(--c-brand-light);text-decoration:none}
.nav-list a.is-active{color:var(--c-brand);font-weight:600}
.nav-list a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;color:var(--c-brand-dark);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-brand-light);border-color:var(--c-brand)}
.drawer-close,.drawer-cta{display:none}
.nav-mask{display:none}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-dark);box-shadow:var(--sh-2);color:#fff}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#c9692c;box-shadow:0 10px 24px rgba(222,123,60,.28);color:#fff}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-brand-light);border-color:var(--c-brand);color:var(--c-brand-dark)}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm{height:34px;padding:0 16px;font-size:13px}

/* 页头窄横幅 */
.page-hero{background:var(--c-brand-light);border-bottom:1px solid var(--c-line);padding:40px 0 46px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;margin-bottom:16px;
  background:#fff;border:1px solid rgba(28,93,140,.18);border-radius:var(--r-pill);
  color:var(--c-brand);font-size:12px;font-weight:600;letter-spacing:.4px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);margin-bottom:14px}
.breadcrumb a{color:var(--c-brand)}
.breadcrumb .sep{color:var(--c-text-3)}
.breadcrumb .current{color:var(--c-text-2)}
.page-hero h1{font-size:34px;font-weight:700;line-height:1.3;color:var(--c-brand-dark);margin:0 0 12px}
.page-hero .hero-sub{font-size:14px;color:var(--c-text-2);max-width:760px;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* 区块 */
.section{padding:96px 0}
.section--white{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:760px;margin-bottom:36px}
.h2{
  position:relative;font-size:26px;font-weight:600;line-height:1.35;
  color:var(--c-brand-dark);margin:0 0 18px;
}
.h2 .num{
  display:inline-block;margin-right:10px;color:var(--c-accent);
  font-size:20px;font-weight:700;letter-spacing:.5px;
}
.section-sub{font-size:15px;color:var(--c-text-2);margin:0}

/* 图文交替 */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zig-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--c-surface);
  box-shadow:var(--sh-1);aspect-ratio:16/9;
}
.zig-media img{width:100%;height:100%;object-fit:cover}
.zig-copy p{font-size:16px;line-height:1.8;color:var(--c-text-2);margin:0 0 16px}
.zig-copy p:last-of-type{margin-bottom:8px}
.zig--reverse .zig-media{order:2}
.ticks{display:grid;gap:10px;margin:20px 0 24px}
.ticks li{position:relative;padding-left:28px;font-size:15px;line-height:1.7;color:var(--c-text-2)}
.ticks li::before{
  content:"";position:absolute;left:2px;top:9px;width:10px;height:6px;
  border-left:2px solid var(--c-teal);border-bottom:2px solid var(--c-teal);
  transform:rotate(-45deg);
}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-brand)}
.text-link i{font-size:13px;transition:transform .2s ease}
.text-link:hover{text-decoration:underline;text-underline-offset:3px}
.text-link:hover i{transform:translateX(3px)}

/* 核对清单 */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.checklist li{
  display:flex;gap:14px;background:#fff;border:1px solid var(--c-line);
  border-radius:10px;padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.checklist li:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.check-index{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--c-brand-light);color:var(--c-brand);
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.check-body strong{display:block;font-size:16px;font-weight:600;color:var(--c-text);margin-bottom:4px}
.check-body span{display:block;font-size:14px;line-height:1.7;color:var(--c-text-2)}

/* CTA 条 */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--c-brand-light);border-radius:14px;padding:48px 52px;
  border:1px solid rgba(28,93,140,.12);
}
.cta-band h2{font-size:24px;font-weight:600;color:var(--c-brand-dark);margin:0 0 10px;line-height:1.4}
.cta-band p{font-size:14px;color:var(--c-text-2);margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{background:var(--c-brand-dark);color:#fff;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.16)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:16px 0 10px}
.footer-domain{font-size:13px;color:rgba(255,255,255,.55);margin:0;letter-spacing:.4px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-contact{display:grid;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-contact i{color:rgba(255,255,255,.55);margin-top:4px;font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media screen and (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid > div:last-child{grid-column:1 / -1}
  .footer-contact{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media screen and (max-width:959px){
  .section{padding:64px 0}
  .page-hero{padding:32px 0 36px}
  .page-hero h1{font-size:28px}
  .zig{grid-template-columns:1fr;gap:28px}
  .zig--reverse .zig-media{order:0}
  .checklist{grid-template-columns:1fr}
  .cta-band{padding:32px}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn{display:none}
  .nav-list{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:80px 16px 24px;overflow-y:auto;
    box-shadow:-10px 0 30px rgba(18,63,89,.14);
    transform:translateX(105%);transition:transform .25s ease;
  }
  body.nav-open .nav-list{transform:translateX(0)}
  .nav-list a{padding:0 14px;min-height:48px;font-size:16px;border-radius:10px}
  .nav-list a.is-active{background:var(--c-brand-light)}
  .nav-list a.is-active::after{display:none}
  .drawer-close{
    display:inline-flex;align-items:center;justify-content:center;
    position:absolute;top:18px;right:18px;width:40px;height:40px;
    border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;
    color:var(--c-brand-dark);font-size:18px;cursor:pointer;
  }
  .drawer-cta{display:inline-flex;margin-top:20px;height:48px;width:100%}
  .nav-mask{display:block;position:fixed;inset:0;z-index:50;background:rgba(18,63,89,.42);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
  body.nav-open .nav-mask{opacity:1;visibility:visible}
  body.nav-open{overflow:hidden}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid > div:last-child{grid-column:auto}
  .footer-contact{grid-template-columns:1fr}
}
@media screen and (max-width:639px){
  .section{padding:48px 0}
  .topbar-tip{display:none}
  .topbar-right .topbar-link{display:none}
  .page-hero h1{font-size:26px}
  .h2{font-size:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category2 */
:root{
  --brand:#1C5D8C;
  --brand-deep:#12405F;
  --brand-soft:#E3EDF5;
  --accent:#DE7B3C;
  --accent-deep:#C96A2F;
  --teal:#2E8B7A;
  --bg:#F5F7F9;
  --card:#FFFFFF;
  --surface:#EDF2F6;
  --text:#17242F;
  --text-2:#5B6B78;
  --text-3:#93A1AD;
  --line:#DDE5EB;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(18,63,89,.06),0 6px 20px rgba(18,63,89,.07);
  --shadow-hover:0 10px 28px rgba(18,63,89,.12);
  --t:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.num{font-variant-numeric:tabular-nums}
.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%}
.grid-container.full{padding-left:0;padding-right:0}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-deep);color:#fff;font-size:13px;line-height:36px;min-height:36px}
.topbar .site-container{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0}
.topbar-domain{font-variant-numeric:tabular-nums;letter-spacing:.4px;color:#fff;font-weight:600}
.topbar-tip{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.topbar-link{color:rgba(255,255,255,.82);font-size:13px}
.topbar-link:hover{color:#fff;text-decoration:none}
.topbar-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid rgba(222,123,60,.85);color:#F6C79E;font-size:12px;transition:var(--t)
}
.topbar-pill:hover{background:var(--accent);border-color:var(--accent);color:#fff;text-decoration:none}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:100}
.mainnav{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--t)}
.site-header.is-stuck .mainnav{box-shadow:0 6px 20px rgba(18,63,89,.08)}
.mainnav .site-container{max-width:1200px;margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;letter-spacing:.5px
}
.brand-text{font-size:18px;font-weight:700;color:var(--brand-deep);letter-spacing:.2px}
.nav-list{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-list a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;line-height:1.5
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);border-radius:2px
}
.nav-list a:hover{color:var(--brand);text-decoration:none}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a.is-active{color:var(--brand);font-weight:600}
.nav-list a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--brand);font-size:18px;align-items:center;justify-content:center;cursor:pointer;transition:var(--t)
}
.nav-toggle:hover{background:var(--brand-soft)}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 抽屉 ---------- */
.nav-drawer{position:fixed;inset:0;z-index:200;background:rgba(18,63,89,.45);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t)}
.nav-drawer.is-open{opacity:1;visibility:visible}
.nav-drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(330px,88vw);background:#fff;
  padding:18px 20px 26px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;
  transform:translateX(100%);transition:transform .24s ease
}
.nav-drawer.is-open .nav-drawer-panel{transform:translateX(0)}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:10px}
.drawer-close{width:44px;height:44px;border:0;background:transparent;color:var(--text-2);font-size:20px;cursor:pointer;border-radius:var(--r-btn)}
.drawer-close:hover{background:var(--surface);color:var(--brand)}
.nav-drawer-panel a.drawer-link{display:flex;align-items:center;min-height:46px;padding:0 12px;border-radius:8px;font-size:16px;font-weight:500;color:var(--text)}
.nav-drawer-panel a.drawer-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.nav-drawer-panel a.drawer-link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.nav-drawer-cta{margin-top:auto;padding-top:16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;text-decoration:none;
  transition:var(--t);white-space:nowrap
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:var(--shadow-hover)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-deep);color:#fff;box-shadow:var(--shadow-hover)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm{height:34px;padding:0 16px;font-size:13px}
.btn-block{width:100%}
.btn .fa-solid,.btn .fa-regular{font-size:14px}

/* ---------- 徽章 / 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.2px
}
.tag-teal{background:rgba(46,139,122,.12);color:var(--teal)}
.badge-accent{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:12px;font-weight:600
}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff}
.section-soft{background:var(--brand-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:26px;font-weight:600;letter-spacing:.2px}
.section-head .sub{margin-top:10px;color:var(--text-2);font-size:15px}
.more-link{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap}
.more-link i{font-size:12px;margin-left:4px}

/* ---------- 页面 Hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#fff 0%,var(--brand-soft) 100%);
  border-bottom:1px solid var(--line);
  padding:40px 0 44px
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:14px}
.breadcrumb a{color:var(--brand)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-2)}
.page-hero h1{font-size:32px;font-weight:700;letter-spacing:.3px;color:var(--brand-deep)}
.page-hero .hero-sub{margin-top:14px;font-size:15px;color:var(--text-2);max-width:720px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* ---------- 时间线 ---------- */
.tl-wrap{position:relative}
.timeline{position:relative}
.tl-item{position:relative;padding-left:66px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:19px;top:44px;bottom:-2px;width:2px;background:var(--brand-soft);border-radius:2px
}
.tl-item:last-child::before{display:none}
.tl-node{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;z-index:1
}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:var(--t)
}
.tl-body:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#CFDDE7}
.tl-body h3{font-size:19px;font-weight:600;margin-bottom:8px}
.tl-body p{font-size:15px;color:var(--text-2);line-height:1.8}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}

/* ---------- 数据说明卡 ---------- */
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-sm);position:sticky;top:96px
}
.aside-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.aside-card .aside-note{font-size:13px;color:var(--text-3);margin-bottom:18px}
.param-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--text-2)
}
.param-list li:last-child{border-bottom:0}
.param-list .val{font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;white-space:nowrap}
.aside-cta{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
.aside-cta p{font-size:13px;color:var(--text-3);margin-bottom:12px;line-height:1.7}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);transition:var(--t);overflow:hidden;height:100%;
  display:flex;flex-direction:column
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#CFDDE7}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;font-weight:600}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.75}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);padding-top:6px}
.card-foot time{font-variant-numeric:tabular-nums}
.icon-badge{
  width:44px;height:44px;border-radius:11px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px
}
.icon-badge.teal{background:rgba(46,139,122,.12);color:var(--teal)}
.icon-badge.amber{background:rgba(222,123,60,.14);color:var(--accent-deep)}

/* ---------- 图文块 ---------- */
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;font-size:15px;color:var(--text-2);border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--teal);font-size:15px;margin-top:5px;flex-shrink:0}
.check-list strong{color:var(--text);font-weight:600}

/* ---------- FAQ ---------- */
.accordion{border:0;background:transparent;margin:0;padding:0;list-style:none}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:10px;background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--t)
}
.accordion-item:hover{box-shadow:var(--shadow-hover)}
.accordion-title{
  position:relative;display:block;background:#fff;border:0;
  padding:18px 54px 18px 22px;font-size:16px;font-weight:600;color:var(--text);transition:var(--t)
}
.accordion-title:hover{background:var(--brand-soft);color:var(--brand-deep);text-decoration:none}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;border:0;margin:0;padding:0;
  font-size:20px;font-weight:600;color:var(--brand);line-height:1;transition:transform var(--t)
}
.accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg)}
.accordion-item.is-active{border-color:var(--brand)!important}
.accordion-item.is-active .accordion-title{background:#fff;color:var(--brand-deep)}
.accordion-content{
  border:0;background:#fff;padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2)
}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--brand-soft);border-top:1px solid var(--line);padding:48px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:22px;font-weight:600;color:var(--brand-deep)}
.cta-inner p{margin-top:8px;font-size:14px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#fff;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.75);margin-bottom:12px}
.footer-domain{font-size:13px;color:rgba(255,255,255,.55);font-variant-numeric:tabular-nums}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.75)}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.75);line-height:1.7}
.footer-contact i{color:rgba(255,255,255,.5);margin-top:5px;font-size:13px;flex-shrink:0}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.16);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62)
}

/* ---------- Foundation 覆盖 ---------- */
.button{
  border-radius:var(--r-btn);background:var(--brand);color:#fff;font-weight:600;
  height:42px;line-height:42px;padding:0 22px;font-size:15px;margin:0
}
.button:hover{background:var(--brand-deep);color:#fff}
.callout{
  background:var(--brand-soft);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:10px;color:var(--text-2);padding:18px 22px
}
table{border-collapse:collapse;border:0;background:#fff;margin:0}
table thead{background:var(--brand-soft)}
table th,table td{border:0;border-bottom:1px solid var(--line);padding:0 16px;height:56px;font-size:14px;vertical-align:middle}
table th{color:var(--brand-deep);font-weight:600;text-align:center}
table td{text-align:center;color:var(--text-2)}
table tr:last-child td{border-bottom:0}
.off-canvas{background:#fff}
.reveal-overlay{background:rgba(18,63,89,.5)}
.grid-x{margin-left:0;margin-right:0}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px}
.grid-margin-x>.cell:last-child:not(:first-child){margin-left:12px;margin-right:12px}
.grid-margin-x .grid-margin-x{margin-left:0;margin-right:0}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:80px 0}
}
@media (max-width:959px){
  .grid-container{padding-left:24px;padding-right:24px}
  .mainnav .site-container{padding:0 24px;height:66px}
  .topbar .site-container{padding:0 24px}
  .nav-list{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .page-hero{padding:32px 0 36px}
  .page-hero h1{font-size:28px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .split-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .aside-card{position:static}
}
@media (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px}
  .mainnav .site-container{padding:0 20px;height:62px}
  .topbar .site-container{padding:0 20px}
  .topbar-tip{display:none}
  .topbar-link{display:none}
  .brand-text{font-size:16px}
  .section{padding:48px 0}
  .page-hero h1{font-size:26px;line-height:1.35}
  .section-head h2{font-size:22px}
  .tl-item{padding-left:56px}
  .tl-node{width:36px;height:36px;font-size:14px}
  .tl-item::before{left:17px;top:40px}
  .tl-body{padding:18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-inner{flex-direction:column;align-items:stretch;text-align:center}
  .cta-inner .btn{width:100%}
  .card-body{padding:20px}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --brand:#1C5D8C;
  --brand-dark:#12405F;
  --brand-light:#E3EDF5;
  --accent:#DE7B3C;
  --teal:#2E8B7A;
  --bg:#F5F7F9;
  --card:#FFFFFF;
  --surface-2:#EDF2F6;
  --text:#17242F;
  --text-2:#5B6B78;
  --text-3:#93A1AD;
  --line:#DDE5EB;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,63,89,.06), 0 6px 20px rgba(18,63,89,.07);
  --sh-2:0 10px 28px rgba(18,63,89,.12);
  --tr:.22s ease;
  --sec:96px;
  --gutter:32px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--text)}
h1{font-size:clamp(28px,3.4vw,36px);font-weight:700;line-height:1.3}
h2{font-size:clamp(22px,2.4vw,27px)}
h3{font-size:19px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
button{cursor:pointer;background:none;border:0;color:inherit}
time,.num,td,th{font-variant-numeric:tabular-nums}

/* ============ 覆盖 Foundation 默认外观 ============ */
.grid-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.button,.button.primary,.button.secondary{
  font-family:inherit;
  border-radius:var(--r-btn);
  background:var(--brand);
  color:#fff;
  box-shadow:none;
}
.callout{
  background:var(--brand-light);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  color:var(--text);
}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{background:#fff;border:1px solid var(--line);border-radius:10px}
.accordion-title{border:0;font-size:16px}
table{border-collapse:collapse;width:100%;margin:0;background:transparent}
thead{background:var(--brand-light)}
th,td{border:0}
.off-canvas{background:#fff}
.off-canvas .close-button{color:var(--text)}
.reveal{outline:none}

/* ============ 布局容器 ============ */
.site-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.section{padding:var(--sec) 0}
.section-alt{background:var(--surface-2)}
.section-white{background:var(--card)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{position:relative;padding-left:16px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:var(--brand);
}
.sec-lead{margin-top:12px;font-size:15px;color:var(--text-2);max-width:760px}
.sec-more{font-size:14px;font-weight:500;white-space:nowrap}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--brand-dark);
  color:rgba(255,255,255,.9);
  height:36px;
  font-size:13px;
}
.topbar .site-container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;
}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em}
.topbar-tip{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-link{color:rgba(255,255,255,.82);font-size:13px}
.topbar-link:hover{color:#fff;text-decoration:none}
.topbar-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border:1px solid rgba(222,123,60,.75);border-radius:var(--r-pill);
  color:#F6C79F;font-size:12px;transition:background var(--tr),color var(--tr);
}
.topbar-pill:hover{background:var(--accent);color:#fff;text-decoration:none;border-color:var(--accent)}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60}
.mainnav{
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr);
}
.site-header.is-scrolled .mainnav{box-shadow:0 6px 20px rgba(18,63,89,.08)}
.mainnav .site-container{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:.02em;
}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-dark);letter-spacing:.01em}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-list a{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:26px 0;transition:color var(--tr);
}
.nav-list a:hover{color:var(--brand);text-decoration:none}
.nav-list a.is-active{color:var(--brand)}
.nav-list a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;font-size:18px;color:var(--brand-dark);
  border:1px solid var(--line);background:#fff;
}
.nav-toggle:hover{background:var(--brand-light)}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm{height:34px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-dark);color:#fff}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(222,123,60,.28)}
.btn-accent:hover{background:#c96a2d;color:#fff}
.btn-ghost{
  background:#fff;color:var(--brand);border-color:var(--line);
}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:#c9dbe9}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-on-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
  background:var(--brand-light);color:var(--brand);white-space:nowrap;
}
.badge-accent{background:var(--accent);color:#fff}
.badge-teal{background:rgba(46,139,122,.12);color:var(--teal)}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:12px;flex-wrap:wrap}
.breadcrumb a{color:var(--brand)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .cur{color:var(--text-2)}

/* ============ 二级分类导航 ============ */
.subnav{background:#fff;border-bottom:1px solid var(--line)}
.subnav .site-container{display:flex;align-items:center;gap:18px;min-height:56px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.subnav-label{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.06em}
.subnav-list{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.subnav-list a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);font-size:14px;color:var(--text-2);
  border:1px solid transparent;transition:all var(--tr);
}
.subnav-list a:hover{background:var(--brand-light);color:var(--brand-dark);text-decoration:none}
.subnav-list a.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:600;border-color:#cbdcea}

/* ============ 分类页 Hero ============ */
.cat-hero{
  background:linear-gradient(180deg,#EAF1F7 0%,#E3EDF5 100%);
  border-bottom:1px solid var(--line);
  padding:40px 0 56px;
}
.cat-hero h1{margin-bottom:14px}
.cat-hero-lead{font-size:14px;color:var(--text-2);max-width:720px;line-height:1.8}
.cat-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;margin-top:36px;padding-top:28px;border-top:1px solid rgba(28,93,140,.14);
}
.hero-stats .stat-num{font-size:28px;font-weight:700;color:var(--brand);line-height:1.2}
.hero-stats .stat-num small{font-size:14px;font-weight:600;margin-left:4px}
.hero-stats .stat-label{font-size:13px;color:var(--text-2);margin-top:4px}

/* ============ 卡片栅格（信息卡） ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cbdcea}
.icon-box{
  width:48px;height:48px;border-radius:10px;flex:none;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.info-card h3{font-size:18px;margin-bottom:10px}
.info-card p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;align-items:center}
.media-frame{
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  border:1px solid var(--line);aspect-ratio:16/9;background:var(--surface-2);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.split-copy h2{position:relative;padding-left:16px;margin-bottom:18px}
.split-copy h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand)}
.split-copy p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:14px}
.check-list{margin:20px 0 22px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text);margin-bottom:10px}
.check-list li i{color:var(--teal);margin-top:5px;font-size:13px}
.text-link{font-size:15px;font-weight:600}

/* ============ 对比表 ============ */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.cmp{width:100%;min-width:560px;border-collapse:collapse;font-size:15px}
table.cmp thead th{
  background:var(--brand-light);color:var(--brand-dark);
  font-size:14px;font-weight:600;padding:18px 20px;text-align:center;
  border-bottom:1px solid var(--line);
}
table.cmp thead th:first-child{text-align:left}
table.cmp tbody td{
  padding:0 20px;height:56px;text-align:center;color:var(--text-2);
  border-bottom:1px solid var(--line);font-size:14px;
}
table.cmp tbody td:first-child{text-align:left;color:var(--text);font-weight:500;font-size:15px}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover td{background:#F8FBFD}
.cell-yes{color:var(--teal);font-weight:600}
.cell-yes i{margin-right:6px;font-size:13px}
.cell-base{color:var(--text-2)}
.table-note{font-size:13px;color:var(--text-3);margin-top:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.table-cta{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color var(--tr);
}
.faq-item.is-open{border-color:#c9dbe9}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);
  text-align:left;min-height:56px;
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-icon{position:relative;width:18px;height:18px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ============ 延伸阅读卡片 ============ */
.read-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cbdcea}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.card-body .badge{align-self:flex-start;margin-bottom:14px}
.card-title{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px}
.card-title a{color:var(--text)}
.card-title a:hover{color:var(--brand);text-decoration:none}
.card-desc{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:18px;flex:1}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.card-foot a{font-weight:600}

/* ============ 页尾 CTA 条 ============ */
.cta-strip{background:var(--brand-light);border-top:1px solid #d3e2ee;padding:52px 0}
.cta-strip-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-headline{font-size:clamp(20px,2.2vw,24px);font-weight:600;color:var(--brand-dark);line-height:1.4}
.cta-sub{font-size:14px;color:var(--text-2);margin-top:8px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-dark);color:#fff;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;gap:32px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.site-footer .brand-text{color:#fff;font-size:18px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px}
.footer-domain{font-size:13px;color:rgba(255,255,255,.55);margin-top:14px;letter-spacing:.02em}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;transition:color var(--tr)}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;line-height:1.7}
.footer-contact li i{color:rgba(255,255,255,.6);margin-top:5px;flex:none;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:80px}
}
@media (max-width:1023px){
  :root{--sec:64px;--gutter:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .read-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:32px}
  .split .media-frame{order:-1}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:52px 0 36px}
}
@media (max-width:959px){
  .nav-list{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 20px 18px;border-bottom:1px solid var(--line);
    box-shadow:0 12px 28px rgba(18,63,89,.12);
  }
  .site-header.nav-open .nav-list{display:flex}
  .nav-list a{
    display:flex;align-items:center;min-height:44px;padding:10px 0;
    border-bottom:1px solid var(--line);font-size:15px;
  }
  .nav-list a:last-child{border-bottom:0}
  .nav-list a.is-active::after{display:none}
  .nav-list a.is-active{color:var(--brand);font-weight:600}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
}
@media (max-width:767px){
  :root{--gutter:22px;--sec:56px}
  .topbar-tip{display:none}
  .topbar-link{display:none}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .cat-hero{padding:32px 0 44px}
  .cta-strip{padding:40px 0}
  .cta-strip-inner{flex-direction:column;align-items:flex-start}
  .cta-strip-inner .btn{width:100%}
}
@media (max-width:639px){
  .card-grid{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr;gap:18px;text-align:left}
  .hero-stats .stat{padding-bottom:14px;border-bottom:1px solid rgba(28,93,140,.12)}
  .hero-stats .stat:last-child{border-bottom:0;padding-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cat-hero-actions .btn{width:100%}
  .subnav-list{gap:6px}
  .table-note{font-size:12px}
}

/* roulang page: category4 */
/* ===================== 设计变量 ===================== */
:root{
  --c-primary:#1C5D8C;
  --c-primary-dark:#12405F;
  --c-primary-light:#E3EDF5;
  --c-accent:#DE7B3C;
  --c-accent-dark:#C4662B;
  --c-teal:#2E8B7A;
  --bg:#F5F7F9;
  --card:#FFFFFF;
  --surface:#EDF2F6;
  --text:#17242F;
  --text-2:#5B6B78;
  --text-3:#93A1AD;
  --line:#DDE5EB;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(18,63,89,.06),0 6px 20px rgba(18,63,89,.07);
  --shadow-2:0 10px 28px rgba(18,63,89,.12);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --sec-pad:88px;
}

/* ===================== reset / base ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font);color:var(--text);line-height:1.3;font-weight:700;}
p{margin:0;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

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

/* ===================== Foundation 覆盖 ===================== */
.button{
  font-family:var(--font);
  border-radius:var(--radius-btn);
  background-color:var(--c-primary);
  border:1px solid transparent;
  font-weight:600;
  transition:all .22s ease;
}
.button:hover,.button:focus{background-color:var(--c-primary-dark);color:#fff;}
.callout{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  color:var(--text-2);
  font-size:14px;
}
.accordion{border:none;background:transparent;}
.accordion-item{border:none;}
.accordion-title{
  border:none;
  background:transparent;
  font-family:var(--font);
  font-size:16px;
  font-weight:600;
  color:var(--text);
  padding:18px 22px;
  border-radius:10px;
}
.accordion-title::before{display:none !important;}
.accordion-content{border:none;background:#fff;color:var(--text-2);font-size:15px;line-height:1.85;}
table{border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;width:100%;}
thead{background:var(--c-primary-light);}
th,td{border:none;border-bottom:1px solid var(--line);padding:14px 16px;font-size:14px;color:var(--text-2);}
th{color:var(--c-primary-dark);font-weight:600;text-align:left;}
tbody tr:last-child td{border-bottom:none;}
.off-canvas{background:#fff;}
.off-canvas a{color:var(--text-2);}

/* ===================== 顶部信息条 ===================== */
.topbar{
  background:var(--c-primary-dark);
  color:#fff;
  min-height:36px;
  display:flex;
  align-items:center;
  font-size:13px;
}
.topbar .site-container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;color:rgba(255,255,255,.76);}
.topbar-domain{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.topbar-tip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.topbar-link{color:rgba(255,255,255,.8);font-size:13px;}
.topbar-link:hover{color:#fff;text-decoration:none;}
.topbar-pill{
  border:1px solid rgba(222,123,60,.85);
  color:#F4C79F;
  border-radius:999px;
  padding:3px 13px;
  font-size:12px;
  line-height:1.5;
  transition:all .22s ease;
}
.topbar-pill:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;text-decoration:none;}

/* ===================== 主导航 ===================== */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,63,89,.08);}
.mainnav{background:#fff;border-bottom:1px solid var(--line);}
.mainnav .site-container{position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 4px 12px rgba(28,93,140,.28);
}
.brand-text{font-size:19px;font-weight:700;color:var(--c-primary-dark);letter-spacing:.01em;}
.nav-list{display:flex;align-items:center;gap:2px;margin:0;}
.nav-list a{
  position:relative;
  display:inline-flex;align-items:center;
  height:72px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-list a:hover{color:var(--c-primary);text-decoration:none;}
.nav-list a.is-active{color:var(--c-primary);font-weight:600;}
.nav-list a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--c-primary);border-radius:2px 2px 0 0;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;
  border:1px solid var(--line);border-radius:8px;
  background:#fff;color:var(--c-primary-dark);font-size:17px;cursor:pointer;
  align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-primary-light);border-color:var(--c-primary);}

/* ===================== 按钮体系 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:all .22s ease;white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(222,123,60,.3);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--line);}
.btn-outline:hover{background:var(--c-primary-light);border-color:var(--c-primary);color:var(--c-primary-dark);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-lg{height:48px;padding:0 26px;font-size:16px;}
.btn-sm{height:34px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ===================== 面包屑 / 页头 ===================== */
.page-hero{
  background:linear-gradient(180deg,#EDF3F8 0%,var(--c-primary-light) 100%);
  border-bottom:1px solid var(--line);
  padding:34px 0 46px;
}
.breadcrumb{font-size:13px;color:var(--text-2);margin-bottom:14px;line-height:1.6;}
.breadcrumb a{color:var(--c-primary);}
.breadcrumb a:hover{text-decoration:underline;}
.breadcrumb .sep{margin:0 7px;color:var(--text-3);}
.breadcrumb .current{color:var(--text-2);}
.page-hero h1{font-size:34px;font-weight:700;letter-spacing:.01em;}
.page-hero-desc{
  margin-top:14px;max-width:760px;
  font-size:15px;line-height:1.8;color:var(--text-2);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid #CFE0EC;
  color:var(--c-primary);font-size:13px;font-weight:500;
  padding:5px 14px;border-radius:999px;
}
.tag i{font-size:12px;}

/* ===================== 通用板块 ===================== */
.section{padding:var(--sec-pad) 0;}
.section--white{background:#fff;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.section-title{
  position:relative;padding-left:18px;
  font-size:26px;font-weight:600;letter-spacing:.01em;
}
.section-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  background:var(--c-primary);border-radius:2px;
}
.section-sub{margin-top:10px;font-size:14px;color:var(--text-2);}
.section-link{font-size:14px;font-weight:500;flex:0 0 auto;}

/* ===================== 问题定位 ===================== */
.identify-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;border-top:1px solid var(--line);
  padding-top:34px;
}
.identify-item{
  padding:6px 26px 6px 26px;
  border-left:1px solid var(--line);
  transition:transform .22s ease;
}
.identify-item:first-child{border-left:none;padding-left:0;}
.identify-item:last-child{padding-right:0;}
.id-icon{
  width:46px;height:46px;border-radius:11px;
  background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:16px;
}
.identify-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.identify-item p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ===================== FAQ + 侧栏布局 ===================== */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;}
.fl-faq,.fl-checklist,.fl-cta{min-width:0;}

.faq{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:#C6DBEA;}
.faq-item.is-open{border-color:#BBD3E6;box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:none;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;line-height:1.55;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-q:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px;}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;margin-top:4px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-item.is-open .faq-a{max-height:520px;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* 要点清单卡 */
.checklist-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:26px;
}
.checklist-card h2{font-size:19px;font-weight:600;}
.checklist-card .card-note{margin-top:8px;font-size:13px;color:var(--text-3);}
.check-list{list-style:none;display:flex;flex-direction:column;gap:18px;margin-top:20px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;}
.check-num{
  flex:0 0 28px;height:28px;border-radius:8px;
  background:var(--c-primary-light);color:var(--c-primary);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
}
.check-list strong{display:block;font-size:15px;font-weight:600;color:var(--text);margin-bottom:3px;}
.check-list span{font-size:13.5px;line-height:1.7;color:var(--text-2);}

/* 会员小卡 */
.side-cta{
  background:var(--c-primary-light);
  border:1px solid #CBDDEB;
  border-radius:var(--radius-card);
  padding:26px;
}
.side-cta .side-badge{
  display:inline-block;background:var(--c-accent);color:#fff;
  font-size:12px;font-weight:600;border-radius:999px;padding:3px 11px;margin-bottom:14px;
}
.side-cta h3{font-size:18px;font-weight:600;color:var(--c-primary-dark);}
.side-cta p{margin:10px 0 20px;font-size:14px;line-height:1.8;color:var(--text-2);}

/* ===================== 材料 / 时效 ===================== */
.material-grid{
  display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;
}
.media-frame{
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-2);border:1px solid var(--line);
  background:var(--surface);
}
.media-frame img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.material-body h2{font-size:26px;font-weight:600;position:relative;padding-left:18px;}
.material-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  background:var(--c-primary);border-radius:2px;
}
.material-body > p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--text-2);}
.tick-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin:22px 0 0;}
.tick-list li{display:flex;gap:11px;font-size:15px;line-height:1.7;color:var(--text-2);}
.tick-list i{color:var(--c-teal);font-size:13px;margin-top:6px;flex:0 0 auto;}
.tick-list b{color:var(--text);font-weight:600;}
.stat-row{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
  margin:26px 0 24px;padding:20px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-num{
  font-size:28px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;}
.stat-label{font-size:13px;color:var(--text-2);margin-top:4px;}
.body-link{display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;}
.body-link i{font-size:12px;transition:transform .2s ease;}
.body-link:hover i{transform:translateX(3px);}

/* ===================== 页尾 CTA 条 ===================== */
.cta-strip{
  background:var(--c-primary-light);
  border:1px solid #CBDDEB;
  border-radius:14px;
  padding:42px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.cta-strip h2{font-size:23px;font-weight:600;color:var(--c-primary-dark);}
.cta-strip p{margin-top:10px;font-size:14px;color:var(--text-2);max-width:640px;}
.cta-strip-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
.cta-strip .btn-outline{background:#fff;}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--c-primary-dark);color:#fff;padding:64px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:#fff;color:var(--c-primary-dark);box-shadow:none;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:360px;}
.footer-domain{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55);font-variant-numeric:tabular-nums;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);}
.footer-contact i{color:#8FB8D4;font-size:13px;margin-top:4px;flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ===================== 响应式 ===================== */
@media (max-width:1199px){
  :root{--sec-pad:72px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-list{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:8px 20px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:0 12px 28px rgba(18,63,89,.12);
  }
  .nav-list.is-open{display:flex;}
  .nav-list a{height:48px;padding:0;font-size:16px;border-bottom:1px solid var(--line);}
  .nav-list a:last-child{border-bottom:none;}
  .nav-list a.is-active::after{display:none;}
  .nav-actions .btn-primary{display:none;}
  .identify-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:0;}
  .identify-item{padding:22px 22px;}
  .identify-item:nth-child(odd){border-left:none;padding-left:0;}
  .identify-item:nth-child(3),.identify-item:nth-child(4){border-top:1px solid var(--line);}
  .identify-item:last-child{padding-right:22px;}
  .material-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .material-media{order:-1;}
  .page-hero h1{font-size:30px;}
}
@media (min-width:1024px){
  .faq-layout{
    grid-template-columns:minmax(0,2fr) minmax(0,1fr);
    align-items:start;
  }
  .fl-checklist{grid-column:2;grid-row:1;}
  .fl-faq{grid-column:1;grid-row:1 / span 2;align-self:start;}
  .fl-cta{grid-column:2;grid-row:2;}
}
@media (max-width:767px){
  :root{--sec-pad:64px;}
  .site-container,.grid-container{padding-left:22px;padding-right:22px;}
  .topbar-tip{display:none;}
  .topbar-link{display:none;}
  .section-title{font-size:22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .material-body h2{font-size:22px;}
  .cta-strip{padding:32px 26px;}
  .cta-strip h2{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid > div:last-child{grid-column:auto;}
}
@media (max-width:639px){
  :root{--sec-pad:48px;}
  body{font-size:16px;}
  .page-hero{padding:26px 0 34px;}
  .page-hero h1{font-size:28px;line-height:1.35;}
  .brand-text{font-size:17px;}
  .identify-grid{grid-template-columns:minmax(0,1fr);}
  .identify-item{padding:20px 0;border-left:none !important;border-top:1px solid var(--line);}
  .identify-item:first-child{border-top:none;padding-top:0;}
  .identify-item:last-child{padding-right:0;padding-bottom:0;}
  .stat-row{grid-template-columns:minmax(0,1fr);gap:14px;padding:16px 0;}
  .stat-row > div{display:flex;align-items:baseline;gap:10px;}
  .stat-label{margin-top:0;}
  .cta-strip{flex-direction:column;align-items:stretch;text-align:left;}
  .cta-strip-actions{flex-direction:column;}
  .cta-strip-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}