/* roulang page: index */
:root{
  --c-primary:#0E5A78;
  --c-primary-deep:#0A4159;
  --c-primary-soft:#E7F1F5;
  --c-accent:#E07A3F;
  --c-accent-deep:#C5652F;
  --c-cyan:#6FBBCE;
  --c-ink:#12212B;
  --c-text:#4A5B66;
  --c-muted:#8496A0;
  --c-line:#DCE6EA;
  --c-bg:#F7FAFB;
  --c-card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(14,90,120,.06);
  --sh-2:0 14px 32px rgba(14,90,120,.10);
  --t:180ms ease;
  --side-w:260px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
}
img,svg{display:block;max-width:100%;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary-deep);}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
time{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

/* 布局骨架 */
.layout{display:flex;align-items:stretch;min-height:100vh;}
.main-wrap{flex:1 1 auto;min-width:0;margin-left:var(--side-w);display:flex;flex-direction:column;}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 32px;}
.grid-margin-x{row-gap:26px;}

/* 侧栏 */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);z-index:80;
  display:flex;flex-direction:column;gap:26px;
  padding:26px 20px 22px;background:#fff;border-right:1px solid var(--c-line);
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:linear-gradient(135deg,#0E5A78 0%,#137393 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.brand-text strong{font-size:16px;font-weight:700;color:var(--c-ink);}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-muted);margin-top:3px;}
.nav-label{font-size:12px;color:var(--c-muted);letter-spacing:.1em;padding:0 12px 10px;}
.nav-list li+li{margin-top:4px;}
.nav-list a{
  display:block;padding:11px 12px;border-radius:10px;
  font-size:15px;color:var(--c-text);
  transition:background var(--t),color var(--t),box-shadow var(--t);
}
.nav-list a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-list a.is-active{
  background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.side-note{font-size:12.5px;color:var(--c-muted);line-height:1.6;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn-block{width:100%;}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-arrow:hover{text-decoration:underline;}
.arrow{width:16px;height:16px;flex:0 0 16px;transition:transform var(--t);}
.link-arrow:hover .arrow{transform:translateX(4px);}

/* 移动端顶栏 */
.mobile-bar{display:none;}
.menu-toggle{
  width:42px;height:42px;border-radius:10px;background:var(--c-primary-soft);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;flex:0 0 42px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform var(--t),opacity var(--t);}
body.nav-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .menu-toggle span:nth-child(2){opacity:0;}
body.nav-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-overlay{
  position:fixed;inset:0;z-index:70;background:rgba(10,26,35,.42);
  opacity:0;visibility:hidden;transition:opacity 200ms ease,visibility 200ms ease;
}

/* 板块 */
.section{padding:88px 0;}
.section--soft{background:var(--c-primary-soft);}
.section--white{background:#fff;}
.section--dark{background:var(--c-primary-deep);color:#C9DFE7;}
.section--dark h2,.section--dark h3{color:#fff;}
.section--dark p{color:#B4D0DA;}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(24px,2.6vw,30px);}
.sec-head p{margin-top:14px;font-size:16px;color:var(--c-text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.section--dark .eyebrow{background:rgba(255,255,255,.14);color:#CFE7EF;}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:600;line-height:1.6;
}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:74px 0 84px;background:linear-gradient(180deg,#EFF6F9 0%,#F7FAFB 70%,#F7FAFB 100%);}
.hero::after{
  content:"";position:absolute;right:-140px;top:-130px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(111,187,206,.28),rgba(111,187,206,0) 70%);pointer-events:none;
}
.hero-grid{align-items:center;}
.hero h1{font-size:clamp(30px,4.2vw,44px);line-height:1.25;letter-spacing:-.01em;}
.hero-lead{margin-top:18px;max-width:560px;font-size:17px;color:var(--c-text);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:30px;}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text);}
.ico-check{width:18px;height:18px;flex:0 0 18px;color:var(--c-primary);}
.hero-copy{padding-right:28px;}
.hero-media{position:relative;padding:0 26px 36px 0;}
.hero-figure{
  aspect-ratio:16/10;overflow:hidden;border:1px solid var(--c-line);
  border-radius:var(--r-img);box-shadow:var(--sh-1);background:#E9F1F4;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-stat{
  position:absolute;right:0;bottom:0;min-width:190px;padding:16px 20px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);
}
.hero-stat-num{display:block;font-size:34px;font-weight:700;line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.hero-stat-num em{font-style:normal;font-size:15px;font-weight:600;margin-left:3px;}
.hero-stat-desc{display:block;margin-top:6px;font-size:13px;line-height:1.5;color:var(--c-muted);}

/* 三步流程 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.step{
  position:relative;padding:28px 24px 26px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,90,120,.3);}
.step:not(:last-child)::after{
  content:"";position:absolute;top:50px;right:-28px;width:28px;
  border-top:1px dashed var(--c-cyan);
}
.step-num{display:block;font-size:40px;font-weight:700;line-height:1;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.step-body h3{margin-top:16px;font-size:20px;}
.step-body p{margin-top:10px;font-size:15px;color:var(--c-text);}
.step-note{display:block;margin-top:14px;padding-top:12px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-muted);}

/* 服务模块 */
.module-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.module-card{
  grid-column:span 2;padding:26px 24px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.module-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,90,120,.3);}
.module-card--wide{grid-column:span 6;display:grid;grid-template-columns:1.25fr 1fr;gap:30px;align-items:center;padding:30px;}
.module-wide-text h3{font-size:22px;}
.module-wide-text p{margin:12px 0 18px;font-size:15.5px;color:var(--c-text);}
.module-wide-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);aspect-ratio:16/9;background:#E9F1F4;}
.module-wide-media img{width:100%;height:100%;object-fit:cover;}
.module-card h3{font-size:19px;}
.module-card p{margin:10px 0 16px;font-size:15px;color:var(--c-text);}
.module-ico{width:40px;height:40px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.module-ico svg{width:22px;height:22px;stroke-width:1.5;}

/* 案例 */
.case-grid{align-items:stretch;}
.case-main{height:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;}
.case-media{aspect-ratio:4/3;overflow:hidden;background:#E9F1F4;}
.case-media img{width:100%;height:100%;object-fit:cover;}
.case-body{padding:26px 26px 28px;}
.case-body h3{margin-top:14px;font-size:22px;}
.case-body p{margin-top:12px;font-size:15.5px;color:var(--c-text);}
.case-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:22px;padding-top:20px;border-top:1px solid var(--c-line);}
.case-facts li{display:flex;align-items:baseline;gap:6px;font-size:13.5px;color:var(--c-muted);}
.case-facts strong{font-size:26px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.case-side{display:flex;flex-direction:column;gap:22px;height:100%;}
.case-mini{
  flex:1 1 auto;padding:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.case-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,90,120,.3);}
.case-mini h3{margin-top:14px;font-size:18px;}
.case-mini p{margin-top:10px;font-size:15px;color:var(--c-text);}
.case-mini .case-mini-foot{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13px;color:var(--c-muted);}

/* 数据条 */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:30px;
  background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
.stat-item{background:#fff;padding:26px 20px;text-align:center;}
.stat-item strong{display:block;font-size:30px;font-weight:700;line-height:1.15;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.stat-item span{display:block;margin-top:8px;font-size:13.5px;color:var(--c-text);}

/* 最新信息 */
.news-card{
  height:100%;display:flex;flex-direction:column;padding:24px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,90,120,.3);}
.news-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:18px;font-weight:600;line-height:1.5;color:var(--c-ink);
}
.news-title:hover{color:var(--c-primary);}
.news-summary{
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--c-text);
}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:18px;}
.news-time{font-size:13px;color:var(--c-muted);}
.news-more{margin-top:14px;font-size:13.5px;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:56px 24px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);text-align:center;
}
.empty-state p{font-size:15px;color:var(--c-muted);}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:minmax(0,32%) minmax(0,1fr);gap:48px;align-items:start;}
.faq-layout .sec-head{margin-bottom:0;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item+.faq-item{margin-top:14px;}
.faq-item.is-open{border-color:rgba(14,90,120,.35);box-shadow:var(--sh-2);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
  transition:color var(--t),box-shadow var(--t);
}
.faq-q:hover{color:var(--c-primary);}
.faq-item.is-open .faq-q{box-shadow:inset 3px 0 0 var(--c-accent);}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform var(--t);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 240ms ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a>div{overflow:hidden;}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-text);}

/* CTA + 表单 */
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:56px;align-items:center;}
.cta-text h2{font-size:clamp(24px,2.8vw,32px);}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15.5px;color:#BBD4DE;}
.cta-points .ico-check{color:var(--c-accent);margin-top:6px;}
.lead-form{
  background:#fff;border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);
  padding:28px 26px 24px;box-shadow:var(--sh-2);
}
.lead-form .form-title{font-size:18px;font-weight:700;color:var(--c-ink);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;margin-bottom:8px;font-size:13.5px;font-weight:600;color:var(--c-text);}
.field input,.field select{
  width:100%;height:44px;padding:0 14px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-input);
  font-size:15px;color:var(--c-ink);transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:var(--c-muted);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,90,120,.12);
}
.form-privacy{margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--c-muted);}
.form-tip{margin-top:10px;font-size:13.5px;color:var(--c-primary);display:none;}
.form-tip.is-on{display:block;}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:#AFCBD5;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:#8FB6C4;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:#AFCBD5;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li+li{margin-top:10px;}
.footer-col a{font-size:14px;color:#AFCBD5;}
.footer-col a:hover{color:#fff;}
.footer-info li{font-size:14px;line-height:1.8;color:#AFCBD5;}
.footer-info li+li{margin-top:10px;}
.footer-info strong{display:block;font-size:13px;color:#8FB6C4;font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
}
.footer-bottom p{font-size:13px;color:#8FB6C4;}

/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 26px;}
  .section{padding:76px 0;}
  .cta-grid{gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .side-nav{width:286px;transform:translateX(-100%);transition:transform 220ms ease;box-shadow:var(--sh-2);}
  body.nav-open .side-nav{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  body.nav-open .nav-overlay{opacity:1;visibility:visible;}
  .main-wrap{margin-left:0;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:sticky;top:0;z-index:60;padding:10px 20px;
    background:#fff;border-bottom:1px solid var(--c-line);
  }
  .hero{padding:56px 0 64px;}
  .hero-copy{padding-right:0;margin-bottom:40px;}
  .hero-media{padding:0 22px 34px 0;}
  .steps{grid-template-columns:1fr;gap:20px;}
  .step:not(:last-child)::after{
    top:auto;bottom:-20px;left:50%;right:auto;width:0;height:20px;
    border-top:0;border-left:1px dashed var(--c-cyan);transform:translateX(-50%);
  }
  .module-grid{grid-template-columns:1fr 1fr;}
  .module-card{grid-column:span 1;}
  .module-card--wide{grid-column:span 2;grid-template-columns:1fr;}
  .case-side{flex-direction:row;flex-wrap:wrap;}
  .case-mini{flex:1 1 260px;}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-layout .sec-head{margin-bottom:0;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .cta-text{order:2;}
  .lead-form{order:1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .hero{padding:44px 0 52px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-media{padding:0 0 0 0;}
  .hero-stat{position:static;width:100%;margin-top:16px;}
  .module-grid{grid-template-columns:1fr;}
  .module-card--wide{grid-column:span 1;padding:22px;}
  .case-side{flex-direction:column;}
  .stat-bar{grid-template-columns:1fr;}
  .stat-item{padding:20px 16px;}
  .news-card{padding:20px;}
  .lead-form{padding:22px 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .sec-head{margin-bottom:30px;}
}

/* roulang page: article */
:root{
  --primary:#0E5A78;
  --primary-dark:#0A4159;
  --primary-soft:#E7F1F5;
  --accent:#E07A3F;
  --accent-dark:#C5652F;
  --teal:#6FBBCE;
  --ink:#12212B;
  --ink-2:#4A5B66;
  --ink-3:#8496A0;
  --line:#DCE6EA;
  --bg:#F7FAFB;
  --card:#FFFFFF;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:18px;
  --shadow-1:0 2px 6px rgba(14,90,120,.06);
  --shadow-2:0 14px 32px rgba(14,90,120,.10);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;color:var(--ink);line-height:1.35;letter-spacing:.2px;}
p{margin:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
button{border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.container{width:100%;max-width:1160px;margin:0 auto;padding:0 28px;}

/* ============ 侧栏 / 布局骨架 ============ */
.site-shell{min-height:100vh;}
.side-nav{
  position:fixed;top:0;left:0;bottom:0;
  width:260px;background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:26px;
  padding:26px 20px 24px;overflow-y:auto;z-index:60;
}
.site-main{margin-left:260px;min-height:100vh;display:flex;flex-direction:column;}
.site-main > main{flex:1;}

.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--teal));
  color:#fff;font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;}
.brand-text strong{font-size:16px;color:var(--ink);font-weight:700;}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-3);letter-spacing:.3px;}

.nav-label{
  font-size:12px;letter-spacing:2px;color:var(--ink-3);
  text-transform:uppercase;margin-bottom:10px;padding-left:14px;
}
.nav-list li + li{margin-top:6px;}
.nav-list a{
  display:block;position:relative;
  padding:11px 14px;border-radius:var(--radius-sm);
  font-size:15px;color:var(--ink-2);transition:background var(--ease),color var(--ease);
}
.nav-list a:hover{background:var(--primary-soft);color:var(--primary);}
.nav-list a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.nav-list a.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--primary);
}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--line);padding-top:20px;}
.side-note{font-size:12.5px;color:var(--ink-3);line-height:1.7;}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;
  align-items:center;justify-content:space-between;gap:12px;
  padding:12px 20px;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px);
}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-scrim{
  display:none;position:fixed;inset:0;background:rgba(10,26,36,.42);z-index:55;
  opacity:0;transition:opacity var(--ease);
}
.nav-scrim.is-open{display:block;opacity:1;}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(14,90,120,.18);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:rgba(14,90,120,.45);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-block{width:100%;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:500;
}
.badge-ghost{background:#F1F5F7;color:var(--ink-2);}

/* ============ 文章头 ============ */
.article-hero{
  background:linear-gradient(180deg,var(--primary-soft) 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
  padding:44px 0 40px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--primary);font-weight:600;}
.article-title{
  font-size:clamp(26px,3.4vw,38px);line-height:1.35;font-weight:700;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;font-size:13px;color:var(--ink-3);
}
.article-meta .sep{color:var(--line);}
.article-meta .badge{margin-right:2px;}

/* ============ 正文区 ============ */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start;
}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:40px 44px 44px;
  font-size:16px;line-height:1.9;color:var(--ink);min-width:0;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:26px;line-height:1.4;margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--primary);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body p{margin:0 0 16px;}
.article-body a{color:var(--primary);text-decoration:underline;text-decoration-color:rgba(14,90,120,.3);text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-dark);text-decoration-color:var(--primary-dark);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body ul li{position:relative;list-style:none;padding-left:2px;margin-bottom:8px;line-height:1.9;}
.article-body ul li::before{
  content:"";position:absolute;left:-16px;top:.78em;
  width:7px;height:7px;border-radius:2px;background:var(--primary);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:8px;line-height:1.9;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--primary);
  background:var(--primary-soft);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:12px;border:1px solid var(--line);margin:14px auto;height:auto;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th{background:var(--primary-soft);text-align:left;padding:12px 14px;font-weight:600;color:var(--ink);}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);color:var(--ink-2);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body code{
  background:#F1F5F7;border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--primary-dark);
}

.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--line);
  border-radius:var(--radius);background:var(--bg);
}
.empty-state i{font-size:34px;color:var(--teal);}
.empty-state .empty-title{font-size:20px;font-weight:700;margin:16px 0 8px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px;}

/* 正文尾部 */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}

/* 侧栏 */
.article-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);padding:20px;
}
.side-card h3{font-size:16px;margin-bottom:14px;}
.side-card ul li + li{margin-top:8px;}
.side-card ul a{
  display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink-2);
  padding:8px 10px;border-radius:8px;transition:background var(--ease),color var(--ease);
}
.side-card ul a:hover{background:var(--primary-soft);color:var(--primary);}
.side-card ul a i{color:var(--teal);font-size:13px;}
.side-card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.side-card .btn{margin-top:14px;}

/* ============ 通用板块 ============ */
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15px;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:2px;color:var(--accent);
  font-weight:700;margin-bottom:12px;
}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,90,120,.3);}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--primary-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;}
.card-body p{font-size:14px;line-height:1.75;color:var(--ink-2);}
.card-foot{
  padding:0 20px 20px;display:flex;align-items:center;justify-content:space-between;
  gap:10px;font-size:13px;color:var(--ink-3);
}
.link-more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}
.link-more:hover{text-decoration:underline;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-1);
  padding:0 22px;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 44px 18px 0;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--primary);transition:transform var(--ease);
}
.faq-item[open]{border-color:rgba(14,90,120,.35);}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--accent);}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);}
.faq-answer{padding:0 0 18px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--primary-dark) 0%,#12587A 100%);
  color:#fff;border-radius:var(--radius-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:36px;box-shadow:0 18px 40px rgba(10,65,89,.18);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.3vw,28px);}
.cta-band p{color:#C2DBE5;font-size:15px;margin-top:12px;max-width:640px;}
.cta-band .btn-accent{flex:0 0 auto;}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#D7E7EE;}
.cta-points i{color:var(--teal);}

/* ============ 页脚 ============ */
.site-footer{background:var(--primary-dark);color:#B9D2DC;padding:56px 0 24px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text em{color:#8FB2C0;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#B9D2DC;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:10px;font-size:14px;}
.footer-col ul a{color:#B9D2DC;}
.footer-col ul a:hover{color:#fff;}
.footer-info li{line-height:1.7;color:#B9D2DC;}
.footer-info li strong{display:block;color:#fff;font-size:13px;font-weight:600;}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#93B2BF;
}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199px){
  .side-nav{width:216px;padding:22px 16px;}
  .site-main{margin-left:216px;}
  .container{padding:0 24px;}
  .article-layout{gap:36px;}
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-side{position:static;}
}
@media (max-width:991px){
  .side-nav{
    width:280px;transform:translateX(-105%);
    transition:transform 200ms ease;box-shadow:var(--shadow-2);
  }
  .side-nav.is-open{transform:translateX(0);}
  .site-main{margin-left:0;}
  .mobile-bar{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .cta-band .btn-accent{width:100%;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .container{padding:0 20px;}
  .article-hero{padding:32px 0 28px;}
  .article-body{padding:26px 20px 30px;border-radius:var(--radius);}
  .article-body h2{font-size:22px;margin-top:32px;}
  .article-body h3{font-size:18px;margin-top:24px;}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:10px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-text strong{font-size:15px;}
  .article-title{font-size:24px;}
  .cta-band{padding:26px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand:#0E5A78;
  --brand-dark:#0A4159;
  --brand-soft:#E7F1F5;
  --accent:#E07A3F;
  --accent-dark:#C5652F;
  --cool:#6FBBCE;
  --ink:#12212B;
  --ink-2:#4A5B66;
  --ink-3:#8496A0;
  --line:#DCE6EA;
  --page:#F7FAFB;
  --card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(14,90,120,.06);
  --sh-2:0 14px 32px rgba(14,90,120,.10);
  --t:180ms ease;
  --sidebar-w:260px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--page);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--accent-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--brand);padding:10px 16px;border-radius:10px;z-index:200}
.skip-link:focus{left:16px;top:12px}

/* 栅格微调，覆盖框架默认间距 */
.grid-gap{margin-left:-14px;margin-right:-14px}
.grid-gap>.cell{padding-left:14px;padding-right:14px;min-width:0}

/* 侧栏 */
.site-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  padding:26px 20px;display:flex;flex-direction:column;gap:22px;
  z-index:80;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),var(--cool));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;
}
.brand-text strong{display:block;font-size:16px;line-height:1.3;color:var(--ink)}
.brand-text em{display:block;font-style:normal;font-size:12px;line-height:1.5;color:var(--ink-3)}
.sidebar-panel{display:flex;flex-direction:column;gap:22px;flex:1}
.nav-label{font-size:12px;letter-spacing:.14em;color:var(--ink-3);margin:0 0 10px 4px}
.nav-list li+li{margin-top:6px}
.nav-list a{
  position:relative;display:block;
  padding:11px 14px 11px 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.nav-list a::before{
  content:"";position:absolute;left:8px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--brand);
  transition:height var(--t);
}
.nav-list a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-list a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.nav-list a.is-active::before{height:20px}
.sidebar-foot{
  margin-top:auto;padding-top:18px;border-top:1px dashed var(--line);
  display:flex;flex-direction:column;gap:10px;
}
.sidebar-note{font-size:12px;line-height:1.6;color:var(--ink-3)}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--brand);cursor:pointer;transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:rgba(14,90,120,.3)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  box-shadow:var(--sh-1);
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn svg{flex:0 0 auto}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand)}
.btn-block{width:100%}

/* 主区域 */
.site-main{margin-left:var(--sidebar-w);min-height:100vh}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 32px}
.section{padding:80px 0}
.section--white{background:#fff}
.section--soft{background:var(--brand-soft)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.section-head h2{font-size:clamp(23px,3vw,30px);line-height:1.38;font-weight:700}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;
}

/* Hero */
.page-hero{
  position:relative;padding:78px 0 70px;color:#fff;overflow:hidden;
  background:
    linear-gradient(100deg,rgba(10,65,89,.94),rgba(14,90,120,.70)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:20px;font-size:13px;color:rgba(255,255,255,.72);
}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:#fff;font-weight:600}
.page-hero .badge{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3)}
.hero-title{
  margin-top:16px;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.25;font-weight:700;letter-spacing:.01em;
}
.hero-lead{
  margin-top:18px;max-width:640px;
  font-size:17px;line-height:1.9;color:rgba(255,255,255,.88);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.55)}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.trust-row span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  font-size:13px;color:rgba(255,255,255,.92);
}
.hero-card{
  background:#fff;color:var(--ink);
  border-radius:16px;padding:26px;box-shadow:var(--sh-2);
  border:1px solid rgba(255,255,255,.6);
}
.hero-card-title{font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.08em}
.hero-steps{margin-top:18px;display:grid;gap:14px}
.hero-steps li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.hero-steps span{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
}
.hero-card .link-arrow{margin-top:20px}

/* 图文交替 */
.media-frame{
  border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-block+.split-block{margin-top:72px}
.split-block h2{font-size:clamp(21px,2.6vw,26px);line-height:1.4;font-weight:700;margin-bottom:16px}
.split-block p{font-size:16px;color:var(--ink-2);margin-bottom:14px}
.point-list{margin-top:20px;display:grid;gap:12px}
.point-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);line-height:1.75}
.point-list li::before{
  content:"";position:absolute;left:8px;top:11px;
  width:7px;height:7px;border-radius:2px;background:var(--accent);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.text-link:hover{color:var(--accent-dark)}
.text-link svg{transition:transform var(--t)}
.text-link:hover svg{transform:translateX(4px)}

/* 卡片 */
.card-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:22px}
.card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,90,120,.3)}
.card h3{font-size:19px;line-height:1.5;font-weight:600}
.card p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.card-feature{grid-row:span 3;padding:0;overflow:hidden}
.card-feature .media-frame{border:0;border-radius:0;box-shadow:none}
.card-feature .media-frame img{aspect-ratio:16/9}
.card-feature-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.icon-line{
  width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow:hover{color:var(--accent-dark);text-decoration:underline}
.link-arrow svg{transition:transform var(--t)}
.link-arrow:hover svg{transform:translateX(4px)}

/* 数据条 */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.stat strong{display:block;font-size:clamp(26px,3.2vw,38px);line-height:1.15;font-weight:700;color:var(--brand)}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--ink-3);line-height:1.7}

/* FAQ */
.faq{display:grid;gap:14px;max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{border-color:rgba(14,90,120,.3);box-shadow:var(--sh-1)}
.faq-q{
  position:relative;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent);
  opacity:0;transition:opacity var(--t);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform var(--t);
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* 转化条 */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--brand-soft);border:1px solid rgba(14,90,120,.28);
  border-radius:16px;padding:36px 40px;
}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);line-height:1.4;font-weight:700}
.cta-strip p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:560px}

/* 页脚 */
.site-footer{
  margin-left:var(--sidebar-w);
  background:var(--brand-dark);color:rgba(255,255,255,.76);
  padding:58px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:rgba(255,255,255,.6)}
.site-footer .brand-mark{background:rgba(255,255,255,.16);color:#fff}
.footer-brand p{margin-top:16px;max-width:330px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78)}
.footer-col a:hover{color:#fff}
.footer-info li{font-size:14px;line-height:1.75;margin-bottom:14px;color:rgba(255,255,255,.78)}
.footer-info strong{display:block;font-size:13px;font-weight:600;color:#fff}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;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{--sidebar-w:216px}
  .wrap{padding:0 24px}
  .section{padding:64px 0}
}
@media (max-width:991px){
  .site-sidebar{
    position:sticky;top:0;left:auto;bottom:auto;
    width:100%;height:64px;padding:0 18px;gap:12px;
    flex-direction:row;align-items:center;justify-content:space-between;
    border-right:0;border-bottom:1px solid var(--line);overflow:visible;
  }
  .brand-text em{display:none}
  .nav-toggle{display:inline-flex}
  .sidebar-panel{
    position:fixed;top:64px;left:0;right:0;bottom:0;z-index:90;
    display:none;flex-direction:column;gap:20px;
    padding:22px 20px;background:#fff;overflow-y:auto;
    box-shadow:0 18px 40px rgba(10,65,89,.16);
  }
  .sidebar-panel.is-open{display:flex}
  .sidebar-foot{margin-top:auto}
  .site-main,.site-footer{margin-left:0}
  .page-hero{padding:56px 0 50px}
  .section{padding:56px 0}
  .split-block+.split-block{margin-top:52px}
  .card-grid{grid-template-columns:1fr}
  .card-feature{grid-row:auto}
  .stats-bar{grid-template-columns:repeat(2,1fr);padding:26px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-strip{padding:28px}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .section{padding:48px 0}
  .hero-card{padding:20px}
  .card{padding:18px}
  .card-feature{padding:0}
  .card-feature-body{padding:20px 18px 22px}
  .stats-bar{grid-template-columns:1fr;padding:22px;gap:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-strip{padding:22px}
  .hero-actions .btn{width:100%}
  .faq-q{font-size:15px;padding:18px}
  .faq-a p{padding:0 18px 20px}
}

/* roulang page: category2 */
:root{
  --primary:#0E5A78;
  --primary-dark:#0A4159;
  --primary-light:#E7F1F5;
  --accent:#E07A3F;
  --accent-dark:#C5652F;
  --cool:#6FBBCE;
  --ink:#12212B;
  --text-2:#4A5B66;
  --text-3:#8496A0;
  --line:#DCE6EA;
  --bg:#F7FAFB;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-1:0 2px 6px rgba(14,90,120,.06);
  --shadow-2:0 14px 32px rgba(14,90,120,.10);
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:var(--primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--primary-dark)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
p{margin-bottom:16px}
p:last-child{margin-bottom:0}

/* ============ 布局骨架 ============ */
.layout{display:flex;align-items:flex-start;min-height:100vh}
.main-wrap{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 32px}

/* ============ 左侧竖向导航 ============ */
.sidebar{
  flex:0 0 260px;
  width:260px;
  height:100vh;
  position:sticky;
  top:0;
  background:#fff;
  border-right:1px solid var(--line);
  padding:28px 20px 24px;
  display:flex;
  flex-direction:column;
  gap:26px;
  overflow-y:auto;
  z-index:80;
}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--cool) 100%);
  color:#fff;font-weight:700;font-size:18px;
  display:grid;place-items:center;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.35}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3)}
.nav-label{
  font-size:12px;letter-spacing:.14em;color:var(--text-3);
  margin-bottom:10px;font-weight:600;
}
.nav-list li+li{margin-top:6px}
.nav-list a{
  display:flex;align-items:center;
  padding:11px 12px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:var(--radius-btn);
  border-left:3px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.nav-list a:hover{background:var(--primary-light);color:var(--primary)}
.nav-list a.is-active{
  background:var(--primary-light);
  color:var(--primary);
  font-weight:600;
  border-left-color:var(--primary);
}
.sidebar nav{flex:1 1 auto}
.sidebar-foot{border-top:1px solid var(--line);padding-top:20px}
.sidebar-note{font-size:12.5px;line-height:1.7;color:var(--text-3);margin-top:12px}

/* ============ 移动端导航 ============ */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:70;
  align-items:center;justify-content:space-between;
  gap:12px;
  padding:12px 20px;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.nav-toggle{
  width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--line);
  color:var(--primary);font-size:17px;
  display:grid;place-items:center;
  transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--primary-light);border-color:rgba(14,90,120,.3)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(10,30,42,.4);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
  z-index:75;
}
.nav-overlay.is-open{opacity:1;visibility:visible}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.link-more i{font-size:12px;transition:transform var(--t)}
.link-more:hover{color:var(--primary-dark);text-decoration:underline}
.link-more:hover i{transform:translateX(4px)}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;
  padding:66px 0 58px;
  background-image:linear-gradient(96deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 48%,rgba(231,241,245,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
}
.breadcrumb{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:20px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--primary);font-weight:600}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:.2px;
  max-width:20em;
}
.hero-lead{
  margin-top:18px;
  font-size:17px;line-height:1.85;
  color:var(--text-2);
  max-width:34em;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:13px;font-weight:600;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* ============ 板块 ============ */
.section{padding:80px 0}
.section--alt{background:#fff}
.section--tight{padding:64px 0}
.section-head{max-width:46em;margin-bottom:36px}
.section-head h2{
  font-size:clamp(24px,2.4vw,30px);
  line-height:1.35;font-weight:700;
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:4px;background:var(--primary);
}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--text-2);max-width:40em}

/* ============ 卡片栅格 ============ */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{
  margin:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:26px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,90,120,.3)}
.card h3{font-size:19px;line-height:1.5;font-weight:600}
.card p{font-size:14.8px;color:var(--text-2);line-height:1.82}
.card--wide{grid-column:span 2}
.card--wide .card-media{
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  overflow:hidden;
  aspect-ratio:16/9;
  margin-bottom:4px;
}
.card--wide .card-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.card-icon{
  width:46px;height:46px;flex:0 0 46px;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary);
  display:grid;place-items:center;
  font-size:19px;
}
.card .link-more{margin-top:auto}

/* ============ 竖向流程条 ============ */
.timeline{position:relative;padding-left:40px;max-width:860px}
.timeline::before{
  content:"";position:absolute;left:11px;top:10px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--cool),var(--primary-light));
}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:-40px;top:2px;
  width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);
  color:var(--primary);font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.tl-item h3{font-size:18px;font-weight:600;line-height:1.5}
.tl-item p{font-size:14.8px;color:var(--text-2);margin-top:8px;max-width:42em}
.tl-meta{font-size:13px;color:var(--text-3);margin-top:8px}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.stat{background:#fff;padding:28px 22px;text-align:center}
.stat b{display:block;font-size:clamp(30px,3.4vw,44px);line-height:1.1;font-weight:700;color:var(--primary)}
.stat b em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-2);margin-left:4px}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.7}

/* ============ 列表行 ============ */
.list-rows{display:flex;flex-direction:column;gap:14px}
.row-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.row-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,90,120,.3)}
.row-icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;
  background:var(--primary-light);color:var(--primary);
  display:grid;place-items:center;font-size:18px;
}
.row-body{flex:1 1 auto;min-width:0}
.row-body h3{font-size:17px;font-weight:600;line-height:1.5}
.row-body p{font-size:14.6px;color:var(--text-2);margin-top:7px}
.row-tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);
  font-size:12.5px;font-weight:600;margin-left:10px;vertical-align:middle;
}

/* ============ FAQ ============ */
.faq-list{max-width:920px}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:rgba(14,90,120,.3)}
.faq-q{
  width:100%;text-align:left;
  padding:19px 58px 19px 22px;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
}
.faq-q::after{
  content:"+";
  position:absolute;right:22px;top:18px;
  font-size:22px;line-height:1;color:var(--primary);
  transition:transform var(--t);
}
.faq-item.is-open{border-color:rgba(14,90,120,.3)}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
}
.faq-item.is-open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.82;color:var(--text-2)}

/* ============ 转化条 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  background:var(--primary-light);
  border:1px solid rgba(14,90,120,.28);
  border-radius:var(--radius-card);
  padding:34px 36px;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:clamp(20px,2vw,25px);line-height:1.45;font-weight:700}
.cta-band p{margin-top:8px;font-size:14.6px;color:var(--text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:auto;
  background:var(--primary-dark);
  color:#CFE2EC;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:30em}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;
  margin-bottom:16px;letter-spacing:.06em;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.74)}
.footer-col ul a:hover{color:#fff;text-decoration:underline}
.footer-info li{font-size:13.6px;color:rgba(255,255,255,.72);line-height:1.75}
.footer-info li strong{display:block;color:#fff;font-size:13.6px;margin-bottom:2px}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom p{margin:0}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  .sidebar{flex:0 0 216px;width:216px;padding:24px 16px}
  .grid{gap:18px}
  .section{padding:66px 0}
}

@media (max-width:991px){
  .layout{display:block}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;
    width:282px;flex:none;height:100%;
    transform:translateX(-100%);
    transition:transform 220ms ease;
    box-shadow:0 0 40px rgba(10,65,89,.22);
    z-index:90;
  }
  .sidebar.is-open{transform:translateX(0)}
  .mobile-bar{display:flex}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .page-hero{padding:38px 0 42px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card--wide{grid-column:span 2}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px}
}

@media (max-width:575px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .grid-3,.grid-2{grid-template-columns:minmax(0,1fr)}
  .card--wide{grid-column:span 1}
  .card{padding:20px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:22px 14px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .row-item{flex-direction:column;gap:14px;padding:20px}
  .timeline{padding-left:34px}
  .tl-num{left:-34px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .card:hover,.row-item:hover,.btn:hover{transform:none}
}