/* roulang page: index */
:root{
  --brand-600:#1565B0;
  --brand-700:#0F4C81;
  --brand-500:#2F7FD1;
  --brand-050:#EAF3FB;
  --accent-500:#FF7A2F;
  --accent-600:#E8651A;
  --ink-900:#16202B;
  --ink-600:#4A5A6A;
  --ink-400:#8194A6;
  --line:#E3EBF3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#E0A400;
  --err:#D8433A;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(16,32,48,.05),0 6px 16px rgba(16,32,48,.06);
  --shadow-2:0 10px 30px rgba(16,32,48,.10);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--ink-600);
  background:var(--bg);
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:.02em;font-weight:700;}
h1{font-size:36px;line-height:1.3;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.4em;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
:focus-visible{outline:2px solid rgba(21,101,176,.35);outline-offset:2px;border-radius:6px;}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--brand-600);color:#fff;}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--brand-600);border-color:rgba(21,101,176,.45);}
.btn-outline:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-600);transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more::after{content:"→";transition:transform var(--t);}
.link-more:hover::after{transform:translateX(3px);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--brand-050);color:var(--brand-700);
}
.badge-accent{background:rgba(255,122,47,.14);color:var(--accent-600);}

/* 顶部信息条 */
.topbar{background:var(--brand-700);color:rgba(255,255,255,.9);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px;}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar-domain{font-weight:600;color:#fff;letter-spacing:.04em;}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.35);display:inline-block;}
.topbar-right a{color:rgba(255,255,255,.9);}
.topbar-right a:hover{color:#fff;}

/* 主导航 */
.mainnav{
  position:sticky;top:0;z-index:60;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow var(--t);
}
.mainnav.is-stuck{box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);font-size:19px;font-weight:700;letter-spacing:.02em;}
.brand:hover{color:var(--brand-600);}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand-600);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;fill:#fff;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-list a{
  position:relative;display:inline-block;padding:24px 0;font-size:16px;color:var(--ink-600);
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--brand-600);
  transform:scaleX(0);transform-origin:center;transition:transform var(--t);
}
.nav-list a:hover{color:var(--brand-600);}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.active{color:var(--brand-600);font-weight:600;}
.nav-list a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:10px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:8px 0 20px;}
.mobile-panel a{display:block;padding:14px 0;font-size:16px;color:var(--ink-600);border-bottom:1px solid var(--line);}
.mobile-panel a.active{color:var(--brand-600);font-weight:600;}
.mobile-panel .btn{margin-top:16px;}

/* 倒计时条 */
.countdown{background:var(--brand-050);border-bottom:1px solid rgba(21,101,176,.12);}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:62px;padding-top:10px;padding-bottom:10px;}
.cd-label{font-size:15px;font-weight:600;color:var(--brand-700);}
.cd-timer{display:flex;align-items:flex-start;gap:10px;}
.cd-unit{display:flex;flex-direction:column;align-items:center;gap:4px;}
.cd-num{
  min-width:52px;height:38px;padding:0 8px;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid rgba(21,101,176,.18);border-radius:8px;
  font-size:22px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1;
}
.cd-cap{font-size:11px;color:var(--ink-400);letter-spacing:.06em;}

/* 板块 */
.section{padding:88px 0;}
.section-lg{padding:120px 0;}
.section-alt{background:var(--surface);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head p{margin:8px 0 0;font-size:15px;color:var(--ink-400);}

/* Hero */
.hero{background:var(--surface);padding:88px 0 96px;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;}
.hero h1{margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-600);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;}
.hero-meta-item strong{display:block;font-size:24px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;}
.hero-meta-item span{font-size:13px;color:var(--ink-400);}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:16/10;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media .badge{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.92);color:var(--brand-700);box-shadow:var(--shadow-1);}

/* 卖点 2x2 */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px 48px;}
.feature-item{display:flex;gap:18px;padding-bottom:26px;border-bottom:1px solid var(--line);}
.feature-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:1px solid rgba(21,101,176,.35);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.feature-item h3{margin-bottom:6px;}
.feature-item p{margin:0;font-size:14px;line-height:1.75;color:var(--ink-600);}

/* 图墙 bento */
.wall-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:180px;gap:16px;}
.wall-item{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);background:var(--brand-050);}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.wall-item:hover img{transform:scale(1.03);}
.wall-item .wall-tag{
  position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;
  background:linear-gradient(to top,rgba(15,32,48,.72),rgba(15,32,48,0));
  color:#fff;font-size:14px;font-weight:600;
}
.wall-a{grid-column:span 2;grid-row:span 2;}
.wall-b{grid-column:span 2;}
.wall-c,.wall-d{grid-column:span 1;}
.wall-e,.wall-f{grid-column:span 2;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--brand-050);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-thumb .badge{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.94);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17px;font-weight:600;line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--ink-900);}
.news-body h3 a:hover{color:var(--brand-600);}
.news-body p{font-size:14px;line-height:1.7;color:var(--ink-600);margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums;}
.empty-state{
  background:var(--brand-050);border-radius:var(--r-card);padding:56px 24px;text-align:center;
}
.empty-state svg{width:48px;height:48px;stroke:var(--brand-500);fill:none;stroke-width:1.6;margin-bottom:16px;}
.empty-state p{margin:0 0 6px;font-size:16px;color:var(--ink-900);font-weight:600;}
.empty-state span{display:block;font-size:13px;color:var(--ink-400);margin-bottom:20px;}

/* CTA 与表单 */
.cta-wrap{background:var(--brand-050);border-radius:var(--r-img);padding:48px;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.cta-copy h2{margin-bottom:14px;}
.cta-copy p{font-size:15px;color:var(--ink-600);margin-bottom:22px;max-width:420px;}
.cta-points li{display:flex;gap:10px;font-size:14px;color:var(--ink-600);margin-bottom:10px;}
.cta-points li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--brand-600);}
.form-card{background:var(--surface);border-radius:var(--r-card);box-shadow:var(--shadow-2);padding:28px;}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--ink-400);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--ink-900);transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:88px;padding:10px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 2px rgba(21,101,176,.2);
}
.form-tip{margin:12px 0 0;font-size:12px;color:var(--ink-400);}
.form-msg{margin:10px 0 0;font-size:13px;color:var(--ok);min-height:18px;}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink-900);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-600);background:var(--brand-050);font-size:18px;font-weight:700;line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-600);}
.faq-item[open] summary{color:var(--brand-700);}

/* 页脚 */
.site-footer{background:var(--brand-700);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0 0 14px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-size:18px;font-weight:700;}
.footer-brand .brand-mark{background:rgba(255,255,255,.16);}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.78);font-size:14px;}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);padding:18px 0;font-size:13px;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--brand-600);color:#fff;border:none;cursor:pointer;display:flex;
  align-items:center;justify-content:center;box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background-color var(--t);
  z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-700);}

/* 响应式 */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .wall-grid{grid-auto-rows:160px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .nav-list,.nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .mobile-panel.open{display:block;}
  .section{padding:64px 0;}
  .section-lg{padding:72px 0;}
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .hero-meta{gap:20px;}
  .feature-grid{grid-template-columns:1fr;gap:24px;}
  .wall-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px;}
  .wall-a{grid-column:span 2;grid-row:span 1;}
  .wall-b,.wall-e,.wall-f{grid-column:span 2;}
  .wall-c,.wall-d{grid-column:span 1;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-wrap{grid-template-columns:1fr;gap:32px;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  h1{font-size:26px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:15px;line-height:1.85;}
  .countdown-inner{flex-direction:column;align-items:stretch;gap:12px;padding:14px 0;}
  .cd-timer{justify-content:space-between;width:100%;}
  .cd-unit{flex:1;}
  .cd-num{width:100%;min-width:0;}
  .countdown-inner .btn{width:100%;}
  .news-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:26px;}
  .form-card{padding:22px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .topbar-note,.topbar-right a:nth-child(1){display:none;}
  .wall-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:140px;}
  .wall-item:nth-child(n+5){display:none;}
  .wall-a{grid-column:span 2;}
  .wall-b{grid-column:span 2;}
  .wall-c,.wall-d{grid-column:span 1;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .to-top{right:16px;bottom:18px;}
}

/* roulang page: article */
:root{
  --brand-600:#1565B0;
  --brand-700:#0F4C81;
  --brand-500:#2F7FD1;
  --brand-050:#EAF3FB;
  --accent-500:#FF7A2F;
  --accent-600:#E8651A;
  --ink-900:#16202B;
  --ink-600:#4A5A6A;
  --ink-400:#8194A6;
  --line:#E3EBF3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#E0A400;
  --err:#D8433A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(16,32,48,.05),0 6px 16px rgba(16,32,48,.06);
  --shadow-2:0 10px 30px rgba(16,32,48,.10);
  --t:200ms cubic-bezier(.2,.7,.3,1);

  --bs-primary:#1565B0;
  --bs-primary-rgb:21,101,176;
  --bs-body-color:#4A5A6A;
  --bs-body-bg:#F6F9FC;
  --bs-border-color:#E3EBF3;
  --bs-border-radius:14px;
  --bs-link-color:#1565B0;
  --bs-link-hover-color:#2F7FD1;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--ink-600);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{color:var(--ink-900);letter-spacing:.02em;margin:0;line-height:1.4}
p{margin:0 0 1em}
ul{margin:0;padding:0}
button{font:inherit}
:focus-visible{outline:2px solid rgba(21,101,176,.35);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;margin-left:0;margin-right:0}
[class*="col-"]{padding-left:0;padding-right:0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;border:1px solid transparent;
  box-shadow:none!important;background-image:none!important;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-700);color:#fff}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff}
.btn-outline-primary{background:transparent;border-color:var(--brand-600);color:var(--brand-600)}
.btn-outline-primary:hover{background:var(--brand-050);border-color:var(--brand-700);color:var(--brand-700)}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-600);border:0;
}
.form-control,.form-select{
  height:44px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;color:var(--ink-900);background:#fff;box-shadow:none;
}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(21,101,176,.16);outline:none;
}

/* ============ 顶部信息条 + 主导航 ============ */
.topbar{background:var(--brand-700);color:#fff;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.03em;font-variant-numeric:tabular-nums}
.topbar-note{opacity:.86;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-sep{display:inline-block;width:1px;height:14px;background:rgba(255,255,255,.35)}
.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap}
.topbar-right a{color:#fff;opacity:.88}
.topbar-right a:hover{color:#fff;opacity:1}

.mainnav{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--t)}
.mainnav.is-stuck{box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink-900);flex:0 0 auto}
.brand:hover{color:var(--brand-600)}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand-050);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;fill:currentColor}
.nav-list{display:flex;align-items:center;gap:28px;list-style:none;padding:0;margin:0;flex:1 1 auto}
.nav-list a{position:relative;display:inline-block;padding:6px 0;font-size:16px;color:var(--ink-600)}
.nav-list a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:transparent;transition:background-color var(--t)}
.nav-list a:hover{color:var(--brand-600)}
.nav-list a.active{color:var(--brand-600);font-weight:600}
.nav-list a.active::after{background:var(--brand-600)}
.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:10px;background:#fff;position:relative;cursor:pointer}
.nav-toggle span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:18px;height:2px;background:var(--brand-600);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--brand-600);transition:transform var(--t)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);padding:6px 0 20px}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:block;padding:14px 0;font-size:17px;color:var(--ink-600);border-bottom:1px solid var(--line)}
.mobile-panel a.active{color:var(--brand-600);font-weight:600}
.mobile-panel .btn{margin-top:18px;border-bottom:0;color:#fff}

/* ============ 面包屑 ============ */
.crumb-wrap{background:#fff;border-bottom:1px solid var(--line);padding:14px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;padding:0;margin:0;font-size:14px;color:var(--ink-400)}
.crumb a{color:var(--ink-400)}
.crumb a:hover{color:var(--brand-600)}
.crumb-sep{color:var(--line)}
.crumb-current{color:var(--ink-600);max-width:420px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}

/* ============ 文章主体 ============ */
.article-shell{padding:56px 0 96px}
.article-main{max-width:900px;margin:0 auto}
.post-head{background:transparent}
.post-cat{margin-bottom:14px}
.post-title{
  font-size:34px;font-weight:700;line-height:1.35;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;padding-bottom:22px;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9D7E4;display:inline-block}
.post-cover{margin:30px 0 0;border-radius:var(--r-card);overflow:hidden;background:var(--brand-050);aspect-ratio:16/9}
.post-cover img{width:100%;height:100%;object-fit:cover}

.article-body{max-width:760px;margin:34px auto 0;font-size:16px;line-height:1.9;color:#24313D;letter-spacing:.01em}
.article-body p{margin:0 0 1.4em}
.article-body h1,.article-body h2{font-size:22px;font-weight:700;line-height:1.5;margin:2em 0 .8em;padding-left:12px;border-left:4px solid var(--brand-600)}
.article-body h3{font-size:18px;font-weight:600;margin:1.6em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(21,101,176,.3)}
.article-body a:hover{color:var(--brand-500);border-bottom-color:var(--brand-500)}
.article-body strong{color:var(--ink-900)}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--brand-050);color:var(--ink-600);
  border-left:3px solid var(--brand-600);border-radius:0 8px 8px 0;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.4em;line-height:1.9}
.article-body ul{list-style:none;padding-left:0}
.article-body ul>li{position:relative;padding-left:18px}
.article-body ul>li::before{content:"";position:absolute;left:0;top:.82em;width:6px;height:6px;border-radius:1.5px;background:var(--brand-600)}
.article-body ol>li{margin-bottom:.4em}
.article-body img{width:100%;height:auto;border-radius:var(--r-img);margin:1.5em auto .6em}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--ink-400);text-align:center;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-body th{background:var(--brand-050);color:var(--ink-900);font-weight:600}
.article-body th,.article-body td{border:0;border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

.block-title{font-size:22px;font-weight:700;margin:0 0 18px}
.tags-block{margin-top:72px;padding-top:32px;border-top:1px solid var(--line)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--brand-050);color:var(--brand-600);border:1px solid transparent;
}
.tag:hover{background:#DDEAF7;color:var(--brand-700)}
.tag-plain{cursor:default}

.related{margin-top:72px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{overflow:hidden;display:flex;flex-direction:column;height:100%}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--brand-050);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.thumb-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:rgba(21,101,176,.08);color:var(--brand-600)}
.thumb-ph svg{width:44px;height:44px;fill:none;stroke:currentColor;stroke-width:1.6}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-title{
  font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title:hover{color:var(--brand-600)}
.news-desc{
  margin:10px 0 0;font-size:14px;line-height:1.7;color:var(--ink-600);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums}
.news-foot .more{color:var(--brand-600);font-weight:600}

.continue-block{margin-top:72px;padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1)}
.continue-block p{max-width:620px}
.continue-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:20px}

.empty-state{
  margin:34px auto 0;max-width:760px;padding:44px 24px;text-align:center;
  background:rgba(21,101,176,.08);border-radius:var(--r-card);
}
.empty-state svg{width:48px;height:48px;margin:0 auto 14px;stroke:var(--brand-600);fill:none;stroke-width:1.5}
.empty-state h2{font-size:19px;font-weight:600;color:var(--ink-900);margin-bottom:6px}
.empty-state p{font-size:13px;color:var(--ink-400);margin-bottom:18px}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:var(--brand-700);color:#D5E4F1;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.site-footer p{color:#BFD6EA;line-height:1.8}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-list{list-style:none;padding:0}
.footer-list li{margin-bottom:10px}
.footer-list a{color:#BFD6EA}
.footer-list a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#9FBDD8;
}

.to-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--brand-600);color:#fff;border:0;display:none;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);cursor:pointer;z-index:1040;transition:background-color var(--t),transform var(--t);
}
.to-top.is-show{display:inline-flex}
.to-top:hover{background:var(--brand-700);transform:translateY(-2px)}
.to-top svg{width:20px;height:20px;fill:currentColor}

@media (max-width:1199.98px){
  .container{padding:0 24px}
}
@media (max-width:991.98px){
  .nav-list{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:inline-block}
  .nav-inner{min-height:64px;justify-content:space-between}
  .topbar-note{display:none}
  .article-shell{padding:44px 0 72px}
  .post-title{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site-footer{margin-top:72px}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .crumb-extra{display:none}
  .crumb-current{max-width:100%}
  .post-title{font-size:26px}
  .article-body{font-size:15px;line-height:1.85;margin-top:26px}
  .article-body h1,.article-body h2{font-size:20px}
  .article-body h3{font-size:17px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .block-title{font-size:20px}
  .tags-block,.related,.continue-block{margin-top:52px}
  .continue-actions .btn{width:100%}
}
@media (max-width:575.98px){
  .topbar-right a,.topbar-right .topbar-sep{display:none}
  .topbar-right a:last-child{display:inline}
  .brand{font-size:17px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column}
  .post-cover{margin-top:22px}
}

/* roulang page: category1 */
:root{
  --brand-600:#1565B0;
  --brand-700:#0F4C81;
  --brand-500:#2F7FD1;
  --brand-050:#EAF3FB;
  --accent-500:#FF7A2F;
  --accent-600:#E8651A;
  --ink-900:#16202B;
  --ink-600:#4A5A6A;
  --ink-400:#8194A6;
  --line:#E3EBF3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#E0A400;
  --err:#D8433A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(16,32,48,.05),0 6px 16px rgba(16,32,48,.06);
  --shadow-2:0 10px 30px rgba(16,32,48,.10);
  --tr:200ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1565B0;
  --bs-primary-rgb:21,101,176;
  --bs-body-color:#4A5A6A;
  --bs-body-bg:#F6F9FC;
  --bs-border-color:#E3EBF3;
  --bs-border-radius:0.75rem;
  --bs-link-color:#1565B0;
  --bs-link-hover-color:#2F7FD1;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--ink-600);
  background:var(--bg);
  overflow-x:hidden;
}
body.nav-open{overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--brand-500)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:.02em;font-weight:700;line-height:1.35}
h1{font-size:36px}
h2{font-size:28px}
h3{font-size:20px;font-weight:600;line-height:1.5}
h4{font-size:17px;font-weight:600;line-height:1.5}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(21,101,176,.4);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px}
.sec{padding:80px 0}
.sec-lg{padding:96px 0}
.sec-slim{padding:64px 0}
.sec-head{margin-bottom:40px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-050);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.sec-head h2{margin-bottom:10px}
.sec-head p{font-size:15px;color:var(--ink-400);margin:0}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* 顶部信息条 */
.topbar{background:var(--brand-700);color:#fff;font-size:12.5px;height:38px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap}
.topbar-domain{font-weight:600;letter-spacing:.04em;font-variant-numeric:tabular-nums}
.topbar-note{color:rgba(255,255,255,.78)}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.35);display:inline-block}
.topbar-right a{color:#fff;opacity:.9;transition:opacity var(--tr),color var(--tr)}
.topbar-right a:hover{opacity:1;color:#fff;text-decoration:underline;text-underline-offset:3px}

/* 主导航 */
.site-header{position:relative;z-index:40}
.mainnav{
  position:sticky;top:0;z-index:50;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr);
}
.mainnav.is-scrolled{box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
.brand:hover{color:var(--brand-600)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:22px;height:22px;fill:currentColor}
.nav-list{display:flex;align-items:center;gap:32px;margin:0}
.nav-list a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:16px;color:var(--ink-600);font-weight:500;
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;
  transition:transform var(--tr);
}
.nav-list a:hover{color:var(--brand-600)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a.active{color:var(--brand-600);font-weight:600}
.nav-list a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--ink-900);display:block;border-radius:2px;transition:background var(--tr)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;
  transition:transform var(--tr);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{display:none;background:var(--surface);border-top:1px solid var(--line);padding:12px 0 20px}
.mobile-panel a{
  display:block;padding:14px 0;font-size:16px;color:var(--ink-600);border-bottom:1px solid var(--line);
}
.mobile-panel a.active{color:var(--brand-600);font-weight:600}
.mobile-panel a.btn{margin-top:16px;border-bottom:0}
.mobile-panel.open{display:block}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--tr),box-shadow var(--tr),background-color var(--tr),color var(--tr),border-color var(--tr);
  box-shadow:none;text-align:center;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary,.btn-primary:focus{
  background:var(--brand-600);border-color:var(--brand-600);color:#fff;
}
.btn-primary:hover,.btn-primary:active{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.btn-accent,.btn-accent:focus{background:var(--accent-500);border-color:var(--accent-500);color:#fff}
.btn-accent:hover,.btn-accent:active{background:var(--accent-600);border-color:var(--accent-600);color:#fff}
.btn-outline,.btn-outline:focus{background:transparent;border-color:var(--brand-600);color:var(--brand-600)}
.btn-outline:hover,.btn-outline:active{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-700)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink-600)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600)}
.btn-lg{height:46px;padding:0 28px;font-size:16px}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{display:flex;width:100%}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px;
}
.btn-link-arrow::after{content:"›";font-size:18px;line-height:1;transition:transform var(--tr)}
.btn-link-arrow:hover::after{transform:translateX(3px)}

/* 徽章 */
.pill-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-600);letter-spacing:.02em;
}
.pill-badge.accent{background:rgba(255,122,47,.12);color:var(--accent-600)}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;
  padding:5px 12px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink-600);
}

/* Banner */
.banner{
  position:relative;overflow:hidden;
  min-height:236px;display:flex;align-items:center;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
}
.banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,76,129,.80) 0%,rgba(21,101,176,.58) 52%,rgba(21,101,176,.42) 100%);
}
.banner-inner{position:relative;z-index:2;padding:56px 0 48px;width:100%}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.82);margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.crumb .sep{opacity:.6}
.crumb .cur{color:#fff;font-weight:600}
.banner h1{color:#fff;max-width:820px;margin-bottom:14px}
.banner .banner-sub{
  color:rgba(255,255,255,.9);font-size:17px;line-height:1.75;max-width:720px;margin:0;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.banner-tags span{
  font-size:12.5px;color:#fff;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
}

/* 页内锚点导航 */
.anchor-bar{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:70px;z-index:30}
.anchor-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:0 0 auto;font-size:14.5px;font-weight:500;color:var(--ink-600);
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--bg);
  transition:color var(--tr),border-color var(--tr),background-color var(--tr);
}
.anchor-inner a:hover{color:var(--brand-600);border-color:var(--brand-500);background:var(--brand-050)}

/* 双栏内容 */
.content-main{max-width:100%}
.block{margin-bottom:44px}
.block:last-child{margin-bottom:0}
.block h2{
  font-size:24px;margin-bottom:16px;position:relative;padding-left:14px;
}
.block h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-600);
}
.block p{font-size:16px;line-height:1.9;color:#24313D}
.block-figure{
  margin:24px 0 0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--surface);
}
.block-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.block-figure:hover img{transform:scale(1.03)}
.block-figure figcaption{
  font-size:13px;color:var(--ink-400);padding:10px 16px;border-top:1px solid var(--line);
}
.figure-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.figure-grid .block-figure{margin:0}

/* 要点卡 */
.aside-card{
  position:sticky;top:150px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:24px;
}
.aside-card h3{font-size:18px;margin-bottom:6px}
.aside-card .aside-note{font-size:13.5px;color:var(--ink-400);margin-bottom:18px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;line-height:1.7;color:var(--ink-600);
  padding:11px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list .tick{
  flex:0 0 18px;width:18px;height:18px;margin-top:4px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;
}
.aside-card .aside-foot{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.aside-stat{
  display:flex;align-items:baseline;gap:8px;padding:14px 16px;border-radius:12px;
  background:var(--brand-050);margin-bottom:16px;
}
.aside-stat strong{font-size:26px;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1}
.aside-stat span{font-size:13px;color:var(--ink-600)}

/* 行式要点列表 */
.row-list{border-top:1px solid var(--line)}
.row-item{
  display:flex;align-items:center;gap:20px;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background-color var(--tr),transform var(--tr);
}
.row-item:hover{background:var(--surface);transform:translateX(3px)}
.row-item .idx{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(21,101,176,.35);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.row-item .row-body{flex:1 1 auto;min-width:0}
.row-item h4{font-size:17px;margin-bottom:4px}
.row-item p{font-size:14px;line-height:1.7;color:var(--ink-400);margin:0}
.row-item .row-go{
  flex:0 0 auto;font-size:20px;color:var(--ink-400);transition:color var(--tr),transform var(--tr);
}
.row-item:hover .row-go{color:var(--brand-600);transform:translateX(4px)}

/* FAQ */
.accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  margin-bottom:12px;box-shadow:none;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  background:var(--surface);color:var(--ink-900);font-size:17px;font-weight:600;
  padding:20px 22px;box-shadow:none;border:0;line-height:1.5;
}
.accordion-button:not(.collapsed){background:var(--brand-050);color:var(--brand-700)}
.accordion-button:focus{box-shadow:none;outline:2px solid rgba(21,101,176,.4);outline-offset:-2px}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:600;color:var(--brand-600);
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  transform:none;transition:transform var(--tr);
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none}
.accordion-body{
  padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-600);background:var(--surface);
}

/* CTA 条 */
.cta-band{
  background:var(--brand-050);border-radius:16px;padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;margin-bottom:8px}
.cta-band p{font-size:15px;color:var(--ink-600);margin:0}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:#0F2233;color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:12px}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(255,255,255,.72);font-size:13.5px}
.footer-list a:hover{color:#fff}
.footer-list li span{font-size:13.5px;color:rgba(255,255,255,.66)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);
  font-variant-numeric:tabular-nums;
}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--brand-600);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);cursor:pointer;opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr),background-color var(--tr),transform var(--tr);z-index:60;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--brand-700);transform:translateY(-2px)}

@media (max-width:1199.98px){
  .container{padding-left:24px;padding-right:24px}
  h1{font-size:32px}
  .cta-band{padding:32px}
}
@media (max-width:991.98px){
  .nav-list{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:64px}
  .brand{font-size:17px}
  .nav-actions .btn{display:none}
  .anchor-bar{top:64px}
  .aside-card{position:static;top:auto;margin-top:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .sec{padding:64px 0}
  .sec-lg{padding:72px 0}
  h2{font-size:23px}
  .banner-inner{padding:44px 0 40px}
  .banner h1{font-size:28px}
}
@media (max-width:767.98px){
  body{font-size:15px;line-height:1.85}
  .container{padding-left:16px;padding-right:16px}
  h1{font-size:26px}
  h2{font-size:22px}
  h3{font-size:18px}
  .sec{padding:48px 0}
  .sec-lg{padding:56px 0}
  .banner{min-height:200px}
  .banner h1{font-size:24px}
  .banner .banner-sub{font-size:15px}
  .topbar-note{display:none}
  .topbar-right a:nth-of-type(2),.topbar-right .topbar-sep:nth-of-type(2){display:none}
  .row-item{gap:14px;padding:16px 2px;align-items:flex-start}
  .row-item .idx{flex:0 0 36px;width:36px;height:36px;font-size:13px}
  .figure-grid{grid-template-columns:1fr}
  .cta-band{padding:24px;gap:20px}
  .cta-band h2{font-size:22px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:519.98px){
  .brand span:last-child{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .banner-tags span{font-size:12px}
}

/* roulang page: category2 */
:root{
  --brand-600:#1565B0;
  --brand-700:#0F4C81;
  --brand-500:#2F7FD1;
  --brand-050:#EAF3FB;
  --accent-500:#FF7A2F;
  --accent-600:#E8651A;
  --ink-900:#16202B;
  --ink-600:#4A5A6A;
  --ink-400:#8194A6;
  --line:#E3EBF3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#E0A400;
  --err:#D8433A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,32,48,.05), 0 6px 16px rgba(16,32,48,.06);
  --sh-2:0 10px 30px rgba(16,32,48,.10);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1565B0;
  --bs-body-color:#4A5A6A;
  --bs-body-bg:#F6F9FC;
  --bs-border-color:#E3EBF3;
  --bs-border-radius:10px;
  --bs-link-color:#1565B0;
  --bs-link-hover-color:#0F4C81;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--ink-600);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:.02em;font-weight:700;line-height:1.35;}
h1{font-size:36px;}
h2{font-size:28px;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
h4{font-size:17px;font-weight:600;line-height:1.5;}
p{margin:0 0 1.4em;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;}
:focus-visible{outline:2px solid rgba(21,101,176,.35);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-large{padding:112px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head p{margin:12px 0 0;font-size:15px;color:var(--ink-400);}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--brand-600);
  background:var(--brand-050);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}

/* 顶部信息条 */
.topbar{background:var(--brand-700);color:#fff;font-size:12.5px;height:38px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;white-space:nowrap;overflow:hidden;}
.topbar-domain{font-weight:600;letter-spacing:.04em;font-variant-numeric:tabular-nums;}
.topbar-note{color:rgba(255,255,255,.82);}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.34);display:inline-block;}
.topbar a{color:#fff;}
.topbar a:hover{color:rgba(255,255,255,.78);}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;}
.mainnav{background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow var(--t);}
.mainnav.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink-900);white-space:nowrap;}
.brand:hover{color:var(--brand-600);}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--brand-050);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;fill:var(--brand-600);}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-list a{position:relative;display:inline-block;padding:6px 0;font-size:16px;color:var(--ink-600);}
.nav-list a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform var(--t);}
.nav-list a:hover{color:var(--brand-600);}
.nav-list a.active{color:var(--brand-600);font-weight:600;}
.nav-list a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;position:relative;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--brand-600);transform:translateX(-50%);content:"";}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-panel .container{display:flex;flex-direction:column;gap:4px;padding-top:12px;padding-bottom:20px;}
.mobile-panel a{display:block;padding:12px 4px;font-size:16px;line-height:18px;color:var(--ink-600);border-bottom:1px solid var(--line);}
.mobile-panel a.active{color:var(--brand-600);font-weight:600;border-bottom-color:var(--brand-600);}
.mobile-panel a.btn{margin-top:12px;border-bottom:0;}
.mobile-panel.open{display:block;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-btn);font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--brand-600);color:#fff;}
.btn-primary:hover{background:var(--brand-700);color:#fff;}
.btn-outline{background:transparent;color:var(--brand-600);border-color:var(--brand-600);}
.btn-outline:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-700);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600);}
.link-arrow::after{content:"›";font-size:18px;line-height:1;}

/* 通栏标题区 */
.pagehead{background:var(--brand-050);border-bottom:1px solid var(--line);padding:44px 0;text-align:center;}
.pagehead h1{font-size:34px;margin-bottom:14px;}
.pagehead p{margin:0 auto;max-width:640px;font-size:16px;color:var(--ink-600);}
.crumb{display:flex;justify-content:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:16px;flex-wrap:wrap;}
.crumb a{color:var(--ink-400);}
.crumb a:hover{color:var(--brand-600);}
.crumb span.current{color:var(--ink-600);}

/* 统计条 */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:-40px;}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;}
.stat b{display:block;font-size:24px;color:var(--brand-700);font-variant-numeric:tabular-nums;letter-spacing:.02em;margin-bottom:6px;}
.stat span{display:block;font-size:14px;color:var(--ink-400);line-height:1.7;}

/* 时间线 */
.timeline{position:relative;padding-left:36px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--brand-600);opacity:.32;}
.tl-item{position:relative;padding:0 0 34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-32px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--brand-600);box-shadow:0 0 0 4px rgba(21,101,176,.12);}
.tl-no{font-size:13px;font-weight:700;color:var(--accent-500);letter-spacing:.1em;font-variant-numeric:tabular-nums;}
.tl-item h3{margin:4px 0 6px;}
.tl-item p{margin:0;font-size:15px;color:var(--ink-600);max-width:620px;}
@media (min-width:992px){
  .timeline.offset{padding-left:0;padding-right:0;}
  .timeline.offset::before{left:50%;transform:translateX(-1px);}
  .tl-item{width:50%;padding-right:44px;padding-bottom:40px;text-align:right;}
  .tl-item::before{left:auto;right:-6px;}
  .tl-item h3,.tl-item p{margin-left:auto;}
  .tl-item p{max-width:440px;}
  .tl-item:nth-child(even){margin-left:50%;padding-right:0;padding-left:44px;text-align:left;}
  .tl-item:nth-child(even)::before{left:-6px;right:auto;}
  .tl-item:nth-child(even) p{margin-left:0;}
}

/* 不等宽卡片组 */
.cards-uneven{display:grid;grid-template-columns:5fr 4fr 3fr;gap:24px;align-items:start;}
.ucard{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform var(--t),box-shadow var(--t);}
.ucard:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.ucard .ucard-img{aspect-ratio:16/10;overflow:hidden;background:rgba(21,101,176,.08);}
.ucard .ucard-img img{width:100%;height:100%;object-fit:cover;}
.ucard-body{padding:22px 24px 26px;}
.ucard-body h3{margin-bottom:10px;}
.ucard-body p{margin:0;font-size:14.5px;color:var(--ink-600);}
.ucard-plain{padding:26px 24px;}
.icon-box{width:44px;height:44px;border-radius:12px;background:var(--brand-050);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.icon-box svg{width:22px;height:22px;fill:var(--brand-600);}
.tag{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--brand-050);color:var(--brand-600);margin-bottom:12px;}
.tag-accent{background:rgba(255,122,47,.12);color:var(--accent-600);}
.mini-list{margin-top:14px;}
.mini-list li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-600);line-height:1.9;}
.mini-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--brand-600);}

/* 对照表 */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow-x:auto;}
table.cmp{width:100%;border-collapse:collapse;min-width:640px;}
table.cmp th,table.cmp td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;}
table.cmp thead th{background:var(--brand-050);color:var(--ink-900);font-weight:600;font-size:14px;}
table.cmp tbody th{font-weight:600;color:var(--ink-900);}
table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover{background:#FAFCFE;}
.pill-ok{display:inline-block;font-size:12.5px;padding:2px 10px;border-radius:999px;background:rgba(31,157,107,.12);color:var(--ok);}
.pill-warn{display:inline-block;font-size:12.5px;padding:2px 10px;border-radius:999px;background:rgba(224,164,0,.14);color:#9C7400;}

/* FAQ */
.faq{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-1);overflow:hidden;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:transparent;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900);cursor:pointer;transition:color var(--t);}
.faq-q:hover{color:var(--brand-600);}
.faq-q .plus{position:relative;width:16px;height:16px;flex:0 0 auto;}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px;transition:transform var(--t);}
.faq-q .plus::before{left:0;top:7px;width:16px;height:2px;}
.faq-q .plus::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-q .plus::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t);}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-600);}

/* CTA */
.cta{background:var(--brand-050);border-radius:16px;padding:40px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;}
.cta h2{font-size:26px;margin-bottom:10px;}
.cta p{margin:0;font-size:15px;color:var(--ink-600);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--brand-700);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:72px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.2fr;gap:32px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand .brand-mark svg{fill:#fff;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer-list li{line-height:2;}
.footer-list a,.site-footer a{color:rgba(255,255,255,.78);}
.footer-list a:hover,.site-footer a:hover{color:#fff;}
.site-footer p{color:rgba(255,255,255,.72);line-height:1.85;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:18px 0 22px;display:flex;justify-content:space-between;gap:12px;font-size:12.5px;color:rgba(255,255,255,.62);flex-wrap:wrap;}

/* 回到顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--brand-600);color:#fff;border:0;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);cursor:pointer;opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t),background-color var(--t);z-index:70;}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--brand-700);}

@media (max-width:1199px){
  .container{padding:0 24px;}
  h1{font-size:30px;}
  .pagehead h1{font-size:28px;}
  .cards-uneven{grid-template-columns:1fr 1fr;}
  .ucard-lg{grid-column:span 2;}
}
@media (max-width:991px){
  .nav-list,.nav-actions .btn{display:none;}
  .nav-toggle{display:block;}
  .nav-inner{height:64px;}
  .section{padding:64px 0;}
  .section-large{padding:72px 0;}
  .stats{grid-template-columns:1fr;margin-top:-28px;gap:16px;}
  .cta{grid-template-columns:1fr;padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .brand span:last-child{font-size:17px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:15px;line-height:1.85;}
  .pagehead{padding:32px 0;}
  .pagehead h1{font-size:24px;}
  .section{padding:52px 0;}
  .section-large{padding:56px 0;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-24px;}
  .cards-uneven{grid-template-columns:1fr;}
  .ucard-lg{grid-column:span 1;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .topbar-right a:nth-child(1),.topbar-right .topbar-sep:nth-of-type(2){display:none;}
  .topbar-note{display:none;}
  .cta-actions .btn{width:100%;}
}