/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#1E5FA8;
  --c-primary-d:#164C89;
  --c-primary-l:#EAF2FB;
  --c-accent:#0E9B8E;
  --c-accent-l:#E4F5F2;
  --c-ink:#16202C;
  --c-ink-2:#4A5A70;
  --c-ink-3:#8492A6;
  --c-line:#E4E9F0;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-sand:#FAF7F1;
  --c-star:#E9A23B;
  --c-danger:#C0392B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,32,44,.05),0 1px 3px rgba(22,32,44,.04);
  --sh-2:0 8px 24px -12px rgba(22,32,44,.18);
  --sh-3:0 18px 44px -20px rgba(30,95,168,.30);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;font-weight:400;color:var(--c-ink);
  background:var(--c-bg);-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
input{font:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
::selection{background:var(--c-primary-l);color:var(--c-primary-d)}
/* ============ 容器与通用 ============ */
.ui-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.ui-section{padding:88px 0}
.ui-section-tint{background:var(--c-surface)}
.ui-section-sand{background:var(--c-sand)}
.ui-section-bg{background:var(--c-bg)}
.ui-h2{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
.ui-h3{font-size:22px;font-weight:600;line-height:1.4}
.ui-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.ui-sec-sub{font-size:15px;color:var(--c-ink-2);margin-top:10px;max-width:640px}
.ui-link{color:var(--c-primary);font-weight:600;font-size:15px;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;transition:color var(--t)}
.ui-link:hover{color:var(--c-primary-d)}
/* ============ 按钮 ============ */
.ui-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.02em;padding:0 24px;height:40px;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;border:1px solid transparent;cursor:pointer}
.ui-btn-lg{height:48px;padding:0 30px;font-size:16px}
.ui-btn-sm{height:32px;padding:0 16px;font-size:14px}
.ui-btn-primary{background:var(--c-primary);color:#fff}
.ui-btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-2)}
.ui-btn-primary:active{transform:translateY(0);box-shadow:none}
.ui-btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.ui-btn-ghost:hover{background:rgba(30,95,168,.08);transform:translateY(-1px)}
.ui-btn-ghost:active{transform:translateY(0)}
.ui-btn-accent{background:var(--c-accent);color:#fff}
.ui-btn-accent:hover{background:#0B8378;transform:translateY(-1px);box-shadow:var(--sh-2)}
.ui-btn:disabled,.ui-btn[aria-disabled="true"]{background:#EDF0F4;color:var(--c-ink-3);border-color:transparent;cursor:not-allowed;transform:none;box-shadow:none}
/* ============ 徽章 ============ */
.ui-badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.02em}
.ui-badge-primary{background:rgba(30,95,168,.08);color:var(--c-primary)}
.ui-badge-accent{background:var(--c-accent-l);color:var(--c-accent)}
.ui-badge-line{background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2)}
/* ============ 导航 ============ */
.ui-header{position:sticky;top:0;z-index:60;background:#fff;height:var(--nav-h);
  border-bottom:1px solid transparent;transition:box-shadow var(--t),border-color var(--t)}
.ui-header.is-scrolled{box-shadow:var(--sh-1);border-bottom-color:var(--c-line)}
.ui-nav-wrap{display:flex;align-items:center;height:var(--nav-h);gap:36px}
.ui-logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.ui-logo-mark{width:30px;height:30px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:12px;font-weight:700;letter-spacing:0}
.ui-nav{display:flex;align-items:center;gap:28px}
.ui-nav-link{position:relative;font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--c-ink-2);
  padding:6px 0;line-height:1.4;transition:color var(--t)}
.ui-nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left center;transition:transform var(--t)}
.ui-nav-link:hover{color:var(--c-primary)}
.ui-nav-link.is-active{color:var(--c-primary)}
.ui-nav-link.is-active::after{transform:scaleX(1)}
.ui-nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.ui-search{display:flex;align-items:center;position:relative}
.ui-search-btn{width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  color:var(--c-ink-2);transition:background var(--t),color var(--t)}
.ui-search-btn:hover{background:var(--c-primary-l);color:var(--c-primary)}
.ui-search-input{width:0;height:40px;opacity:0;padding:0;border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:var(--c-bg);transition:width 220ms var(--t),opacity 220ms var(--t),padding 220ms var(--t),border-color var(--t)}
.ui-search.is-open .ui-search-input{width:240px;opacity:1;padding:0 16px;margin-right:8px}
.ui-search-input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(30,95,168,.12)}
.ui-burger{display:none;width:44px;height:44px;border-radius:var(--r-sm);place-items:center;color:var(--c-ink)}
.ui-burger:hover{background:var(--c-primary-l);color:var(--c-primary)}
/* 移动端抽屉 */
.ui-drawer{position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100%;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;box-shadow:-12px 0 32px -18px rgba(22,32,44,.4)}
.ui-drawer.is-open{transform:translateX(0)}
.ui-drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 16px;border-bottom:1px solid var(--c-line)}
.ui-drawer-close{width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r-sm);color:var(--c-ink-2)}
.ui-drawer-close:hover{background:var(--c-primary-l);color:var(--c-primary)}
.ui-drawer-nav{flex:1;overflow-y:auto}
.ui-drawer-nav a{display:flex;align-items:center;height:48px;padding:0 20px;font-size:15px;font-weight:600;
  color:var(--c-ink-2);border-bottom:1px solid var(--c-line);transition:color var(--t),background var(--t)}
.ui-drawer-nav a:hover{color:var(--c-primary);background:var(--c-primary-l)}
.ui-drawer-nav a.is-active{color:var(--c-primary);background:var(--c-primary-l)}
.ui-drawer-foot{padding:16px;border-top:1px solid var(--c-line)}
.ui-drawer-foot .ui-btn{width:100%}
.ui-mask{position:fixed;inset:0;background:rgba(22,32,44,.45);z-index:80;opacity:0;visibility:hidden;transition:opacity 240ms var(--t),visibility 240ms var(--t)}
.ui-mask.is-open{opacity:1;visibility:visible}
body.ui-locked{overflow:hidden}
/* ============ Hero ============ */
.ui-hero{padding:64px 0 88px;background:var(--c-bg)}
.ui-hero-grid{align-items:center}
.ui-hero-tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent-l);color:var(--c-accent);font-size:13px;font-weight:600;letter-spacing:.02em}
.ui-hero h1{font-size:44px;font-weight:700;line-height:1.25;letter-spacing:-.01em;margin-top:18px;max-width:15em}
.ui-hero-sub{font-size:17px;line-height:1.8;color:var(--c-ink-2);margin-top:18px;max-width:30em}
.ui-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.ui-hero-stats{display:flex;align-items:stretch;gap:0;margin-top:38px;flex-wrap:wrap}
.ui-hero-stat{padding:0 26px;border-left:1px solid var(--c-line)}
.ui-hero-stat:first-child{padding-left:0;border-left:0}
.ui-hero-stat b{display:block;font-size:24px;font-weight:700;color:var(--c-primary);line-height:1.2;letter-spacing:-.01em}
.ui-hero-stat span{display:block;font-size:13px;color:var(--c-ink-3);margin-top:6px}
.ui-hero-visual{position:relative;padding:0 0 28px 28px}
.ui-hero-blob{position:absolute;right:-24px;top:34px;width:78%;height:86%;background:var(--c-primary-l);border-radius:var(--r-lg);z-index:0}
.ui-hero-img{position:relative;z-index:1;width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-3)}
.ui-hero-chip{position:absolute;left:0;bottom:0;z-index:2;background:#fff;border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:14px 18px;min-width:160px}
.ui-hero-chip i{display:block;font-style:normal;font-size:13px;color:var(--c-ink-3)}
.ui-hero-chip em{display:block;font-style:normal;font-size:22px;font-weight:700;color:var(--c-primary);line-height:1.3;margin-top:2px}
/* ============ 能力速览条 ============ */
.ui-strip{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:32px 0}
.ui-strip-grid{row-gap:24px}
.ui-strip-item{display:flex;gap:14px;align-items:flex-start;padding:0 22px;border-left:1px solid var(--c-line)}
.ui-strip-item:first-child{border-left:0;padding-left:0}
.ui-strip-ico{flex:0 0 auto;width:28px;height:28px;color:var(--c-primary)}
.ui-strip-t{font-size:15px;font-weight:600;line-height:1.5}
.ui-strip-d{font-size:13px;color:var(--c-ink-3);line-height:1.65;margin-top:4px}
/* ============ 卡片通用 ============ */
.ui-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  overflow:hidden;transition:box-shadow var(--t),transform var(--t),border-color var(--t);height:100%;display:flex;flex-direction:column}
.ui-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:rgba(30,95,168,.3)}
.ui-card-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.ui-card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.ui-card-title{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ui-card-desc{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ui-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;
  padding-top:16px;margin-top:18px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3)}
.ui-card-price{font-size:15px;font-weight:600;color:var(--c-primary)}
.ui-card-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
/* ============ 主推方案 ============ */
.ui-grid-row{row-gap:24px}
/* ============ 热销区 ============ */
.ui-hot-feature{margin-bottom:24px}
.ui-hot-card{flex-direction:row}
.ui-hot-card .ui-card-media{flex:0 0 58.3%;max-width:58.3%}
.ui-hot-card .ui-card-media img{height:100%;min-height:220px;aspect-ratio:auto;object-fit:cover}
.ui-hot-card .ui-card-body{flex:1;padding:28px}
.ui-hot-card .ui-card-title{font-size:22px}
.ui-hot-flag{position:absolute;top:16px;right:16px;z-index:2}
.ui-hot-media{position:relative;flex:0 0 58.3%;max-width:58.3%}
.ui-hot-list{margin-top:14px}
.ui-hot-list li{position:relative;padding-left:20px;font-size:14px;color:var(--c-ink-2);line-height:1.9}
.ui-hot-list li::before{content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
/* ============ 评价轮播 ============ */
.ui-quote-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}
.ui-quote-navs{display:flex;gap:10px}
.ui-quote-nav{width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  display:grid;place-items:center;color:var(--c-ink-2);transition:background var(--t),color var(--t),border-color var(--t)}
.ui-quote-nav:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.ui-quote-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 18px;
  scrollbar-width:none;-ms-overflow-style:none}
.ui-quote-track::-webkit-scrollbar{display:none}
.ui-quote{flex:0 0 calc((100% - 48px) / 3);scroll-snap-align:start;background:#fff;border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:24px;display:flex;flex-direction:column}
.ui-quote-stars{color:var(--c-star);font-size:15px;letter-spacing:2px}
.ui-quote-text{font-size:15px;line-height:1.8;color:var(--c-ink-2);margin-top:14px;
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.ui-quote-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--c-line)}
.ui-quote-user img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.ui-quote-name{font-size:14px;font-weight:600}
.ui-quote-role{font-size:12px;color:var(--c-ink-3)}
.ui-dots{display:flex;justify-content:center;gap:8px;margin-top:12px}
.ui-dot{width:8px;height:6px;border-radius:var(--r-pill);background:var(--c-line);transition:width var(--t),background var(--t)}
.ui-dot.is-active{width:20px;background:var(--c-primary)}
/* ============ 保障条 ============ */
.ui-guarantee{background:var(--c-surface);padding:56px 0}
.ui-guarantee-item{display:flex;gap:14px;align-items:flex-start;padding:0 22px;border-left:1px solid var(--c-line)}
.ui-guarantee-item:first-child{border-left:0;padding-left:0}
.ui-guarantee-ico{flex:0 0 auto;width:40px;height:40px;border-radius:50%;background:var(--c-primary-l);
  color:var(--c-primary);display:grid;place-items:center}
.ui-guarantee-t{font-size:15px;font-weight:600}
.ui-guarantee-d{font-size:13px;color:var(--c-ink-3);line-height:1.65;margin-top:4px}
/* ============ 资讯卡 ============ */
.ui-post-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  height:100%;transition:box-shadow var(--t),transform var(--t),border-color var(--t)}
.ui-post-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:rgba(30,95,168,.3)}
.ui-post-link{display:flex;flex-direction:column;height:100%;padding:22px}
.ui-post-title{font-size:17px;font-weight:600;line-height:1.55;margin-top:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ui-post-card:hover .ui-post-title{color:var(--c-primary)}
.ui-post-desc{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ui-post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;
  padding-top:14px;margin-top:18px;border-top:1px solid var(--c-line)}
.ui-post-foot time{font-size:13px;color:var(--c-ink-3)}
.ui-post-more{font-size:13px;font-weight:600;color:var(--c-primary)}
.ui-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:56px 24px;
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-md);text-align:center}
.ui-empty svg{width:48px;height:48px;color:var(--c-ink-3)}
.ui-empty p{font-size:14px;color:var(--c-ink-3)}
/* ============ FAQ ============ */
.ui-faq-list{border-top:1px solid var(--c-line)}
.ui-faq{border-bottom:1px solid var(--c-line)}
.ui-faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);padding:14px 0 14px 0;transition:color var(--t)}
.ui-faq-q:hover{color:var(--c-primary)}
.ui-faq-ico{flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform 220ms var(--t)}
.ui-faq-ico::before,.ui-faq-ico::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px}
.ui-faq-ico::before{left:0;right:0;top:9px;height:2px}
.ui-faq-ico::after{top:0;bottom:0;left:9px;width:2px}
.ui-faq.is-open .ui-faq-ico{transform:rotate(45deg)}
.ui-faq-a{max-height:0;overflow:hidden;transition:max-height 220ms var(--t)}
.ui-faq-inner{padding:0 0 22px 12px;border-left:3px solid var(--c-primary);font-size:15px;line-height:1.9;color:var(--c-ink-2)}
/* ============ CTA ============ */
.ui-cta{background:var(--c-primary-l);border-radius:var(--r-lg);padding:48px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;flex-wrap:wrap}
.ui-cta h2{font-size:28px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.ui-cta p{font-size:15px;color:var(--c-ink-2);margin-top:10px}
.ui-cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
/* ============ 表单 ============ */
.ui-form{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ui-field{display:flex;flex-direction:column;gap:8px}
.ui-field label{font-size:13px;font-weight:600;color:var(--c-ink-2)}
.ui-field input{height:48px;border-radius:10px;border:1px solid var(--c-line);background:#fff;padding:0 14px;
  transition:border-color var(--t),box-shadow var(--t)}
.ui-field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,95,168,.12)}
.ui-field input::placeholder{color:var(--c-ink-3)}
.ui-field.is-error input{border-color:var(--c-danger)}
.ui-field .ui-err{font-size:13px;color:var(--c-danger);display:none}
.ui-field.is-error .ui-err{display:block}
/* ============ 页脚 ============ */
.ui-footer{background:#12395F;color:#fff;margin-top:0;padding:64px 0 0}
.ui-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.ui-footer h4{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff;letter-spacing:.02em}
.ui-footer p,.ui-footer li,.ui-footer a{font-size:14px;line-height:1.9;color:rgba(255,255,255,.76)}
.ui-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.ui-footer .ui-logo{color:#fff;margin-bottom:14px}
.ui-footer .ui-logo-mark{background:rgba(255,255,255,.16)}
.ui-footer-desc{max-width:32em}
.ui-footer-links li{margin-bottom:2px}
.ui-footer-contact li{display:flex;gap:8px}
.ui-footer-contact b{font-weight:600;color:#fff;flex:0 0 auto}
.ui-qr{width:96px;height:96px;background:#fff;border-radius:var(--r-sm);margin-top:14px;display:grid;place-items:center;
  color:#12395F;font-size:12px;font-weight:600;text-align:center;line-height:1.4;padding:8px}
.ui-footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.62)}
/* ============ 响应式 ============ */
@media (max-width:1199px){
  .ui-h2{font-size:26px}
  .ui-hero h1{font-size:36px}
  .ui-quote{flex:0 0 calc((100% - 24px) / 2)}
}
@media (max-width:1023px){
  :root{--nav-h:56px}
  .ui-nav{display:none}
  .ui-burger{display:grid}
  .ui-nav-right .ui-btn{display:none}
  .ui-section{padding:64px 0}
  .ui-hero{padding:48px 0 64px}
  .ui-hero h1{font-size:36px}
  .ui-hero-visual{padding:0 0 28px 0;margin-top:40px}
  .ui-hero-blob{right:-16px;top:24px}
  .ui-strip-item{border-left:0;padding:0}
  .ui-guarantee-item{border-left:0;padding:0}
  .ui-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ui-form{grid-template-columns:1fr 1fr}
  .ui-hot-card{flex-direction:column}
  .ui-hot-card .ui-card-media,.ui-hot-media{flex:0 0 auto;max-width:100%}
  .ui-hot-card .ui-card-media img{min-height:0;aspect-ratio:16/9}
}
@media (max-width:767px){
  .ui-container{padding:0 16px}
  .ui-section{padding:48px 0}
  .ui-h2{font-size:22px}
  .ui-hero h1{font-size:28px}
  .ui-hero-sub{font-size:16px}
  .ui-hero-stats{gap:20px 0}
  .ui-hero-stat{padding:0 18px}
  .ui-quote{flex:0 0 86%}
  .ui-cta{padding:28px}
  .ui-cta h2{font-size:22px}
  .ui-cta-actions{width:100%}
  .ui-cta-actions .ui-btn{width:100%}
  .ui-form{grid-template-columns:1fr}
  .ui-footer-grid{grid-template-columns:1fr}
  .ui-sec-head{align-items:flex-start}
  .ui-strip{padding:24px 0}
  .ui-guarantee{padding:40px 0}
}
@media (max-width:519px){
  .ui-hero-stat{padding:0 12px}
  .ui-hero-stat b{font-size:20px}
  .ui-quote{flex:0 0 92%}
}

/* roulang page: article */
:root{
  --c-primary:#1E5FA8;
  --c-primary-d:#164C89;
  --c-primary-l:#EAF2FB;
  --c-accent:#0E9B8E;
  --c-accent-l:#E4F5F2;
  --c-ink:#16202C;
  --c-ink-2:#4A5A70;
  --c-ink-3:#8492A6;
  --c-line:#E4E9F0;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-sand:#FAF7F1;
  --c-star:#E9A23B;
  --c-danger:#C0392B;
  --sh-1:0 1px 2px rgba(22,32,44,.05),0 1px 3px rgba(22,32,44,.04);
  --sh-2:0 8px 24px -12px rgba(22,32,44,.18);
  --sh-3:0 18px 44px -20px rgba(30,95,168,.30);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --nav-h:64px;
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.ui-container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ===== Header / Nav ===== */
.ui-header{
  position:sticky;top:0;z-index:120;background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.ui-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.ui-nav-wrap{display:flex;align-items:center;height:var(--nav-h);gap:28px}
.ui-logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--c-ink);
  white-space:nowrap;
}
.ui-logo:hover{color:var(--c-ink)}
.ui-logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;letter-spacing:.02em;flex:none;
}
.ui-nav{display:flex;align-items:center;gap:28px}
.ui-nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:600;letter-spacing:.02em;
  color:var(--c-ink-2);transition:color var(--ease);
}
.ui-nav-link:hover{color:var(--c-primary)}
.ui-nav-link.is-active{color:var(--c-primary)}
.ui-nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.ui-nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.ui-search{display:flex;align-items:center;gap:8px}
.ui-search-input{
  width:0;opacity:0;padding:0;border:1px solid var(--c-line);border-radius:var(--r-pill);
  height:40px;background:var(--c-bg);font-size:14px;color:var(--c-ink);
  transition:width var(--ease),opacity var(--ease),padding var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.ui-search-input::placeholder{color:var(--c-ink-3)}
.ui-search.is-open .ui-search-input{width:240px;opacity:1;padding:0 16px}
.ui-search-input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,95,168,.12);outline:none}
.ui-search-btn{
  width:40px;height:40px;flex:none;border:0;border-radius:var(--r-pill);
  background:var(--c-primary-l);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.ui-search-btn:hover{background:#DCE9F8;color:var(--c-primary-d);transform:translateY(-1px)}
.ui-burger{
  display:none;width:44px;height:44px;border:0;border-radius:10px;
  background:var(--c-primary-l);color:var(--c-primary);
  align-items:center;justify-content:center;cursor:pointer;
}
.ui-burger:hover{background:#DCE9F8}

/* ===== Buttons ===== */
.ui-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  text-decoration:none;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.ui-btn-primary{background:var(--c-primary);color:#fff}
.ui-btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.ui-btn-primary:active{transform:translateY(0);box-shadow:none}
.ui-btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.ui-btn-ghost:hover{background:rgba(30,95,168,.08);color:var(--c-primary-d);transform:translateY(-1px)}
.ui-btn-ghost:active{transform:translateY(0)}
.ui-btn-accent{background:var(--c-accent);color:#fff}
.ui-btn-accent:hover{background:#0B8579;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.ui-btn-lg{height:48px;padding:0 30px}
.ui-btn-md{height:40px;padding:0 22px}
.ui-btn-sm{height:36px;padding:0 18px;font-size:14px}
.ui-btn-block{display:flex;width:100%}
.ui-btn[disabled],.ui-btn.is-disabled{background:#E9EDF2;color:var(--c-ink-3);border-color:#E9EDF2;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== Badges / Links ===== */
.ui-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
}
.ui-badge-primary{background:rgba(30,95,168,.08);color:var(--c-primary)}
.ui-badge-accent{background:var(--c-accent-l);color:var(--c-accent)}
.ui-badge-outline{border:1px solid var(--c-line);color:var(--c-ink-2)}
.ui-link{
  color:var(--c-primary);font-weight:600;text-decoration:underline;
  text-underline-offset:3px;text-decoration-thickness:2px;text-decoration-color:rgba(30,95,168,.35);
  transition:color var(--ease),text-decoration-color var(--ease);
}
.ui-link:hover{color:var(--c-primary-d);text-decoration-color:var(--c-primary-d)}

/* ===== Breadcrumb ===== */
.ui-crumb{padding:24px 0 0;font-size:13px;color:var(--c-ink-3)}
.ui-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.ui-crumb li{display:flex;align-items:center;gap:8px}
.ui-crumb li+li::before{content:"›";color:var(--c-ink-3)}
.ui-crumb a{color:var(--c-ink-2)}
.ui-crumb a:hover{color:var(--c-primary)}
.ui-crumb .is-current{
  color:var(--c-ink-3);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ===== Article head ===== */
.ui-article-head{padding:22px 0 26px;border-bottom:1px solid var(--c-line);margin-bottom:36px}
.ui-article-head h1{font-size:36px;line-height:1.3;letter-spacing:-.01em}
.ui-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:16px;font-size:13px;color:var(--c-ink-3)}
.ui-article-meta .ui-dot{width:3px;height:3px;border-radius:50%;background:var(--c-ink-3);display:inline-block}

/* ===== Article layout ===== */
.ui-article-layout{padding-bottom:88px}
.ui-article-body{
  max-width:800px;font-size:17px;line-height:1.9;color:var(--c-ink);
  word-break:break-word;
}
.ui-article-body p{margin:0 0 1.2em}
.ui-article-body h2{
  font-size:22px;font-weight:700;margin:40px 0 16px;padding-left:12px;
  border-left:3px solid var(--c-primary);line-height:1.4;
}
.ui-article-body h3{font-size:18px;font-weight:600;margin:28px 0 12px;line-height:1.4}
.ui-article-body h4{font-size:16px;font-weight:600;margin:22px 0 10px}
.ui-article-body ul{list-style:disc;padding-left:1.4em;margin:0 0 1.2em}
.ui-article-body ol{list-style:decimal;padding-left:1.4em;margin:0 0 1.2em}
.ui-article-body li{margin:.4em 0;line-height:1.85}
.ui-article-body blockquote{
  background:var(--c-bg);border-left:3px solid var(--c-primary);
  padding:20px;margin:0 0 1.2em;border-radius:0 10px 10px 0;color:var(--c-ink-2);
}
.ui-article-body blockquote p:last-child{margin-bottom:0}
.ui-article-body img{border-radius:12px;margin:10px auto}
.ui-article-body figure{margin:24px 0}
.ui-article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:8px}
.ui-article-body table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:15px}
.ui-article-body th,.ui-article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.ui-article-body th{background:var(--c-bg);font-weight:600}
.ui-article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:var(--c-bg);padding:2px 6px;border-radius:6px;
}
.ui-article-body pre{
  background:var(--c-bg);border-radius:8px;padding:16px;overflow-x:auto;margin:0 0 1.2em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;
}
.ui-article-body pre code{background:none;padding:0}
.ui-article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}

.ui-empty{
  padding:64px 24px;text-align:center;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-md);
}
.ui-empty svg{color:var(--c-ink-3);margin-bottom:14px}
.ui-empty p{font-size:14px;color:var(--c-ink-3);margin:0 0 14px}

/* ===== Tags / pager ===== */
.ui-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:36px 0 0;padding-top:24px;border-top:1px solid var(--c-line)}
.ui-tags-label{font-size:13px;color:var(--c-ink-3);font-weight:600}
.ui-pager-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.ui-pager-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.ui-pager-card:hover{border-color:rgba(30,95,168,.35);box-shadow:var(--sh-2);transform:translateY(-3px);color:var(--c-ink)}
.ui-pager-dir{display:block;font-size:12px;color:var(--c-ink-3);margin-bottom:8px}
.ui-pager-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.5;
}
.ui-pager-card:hover .ui-pager-title{color:var(--c-primary)}
.ui-back-center{display:flex;justify-content:center;margin-top:32px}

/* ===== Sidebar ===== */
.ui-article-side{position:sticky;top:88px;align-self:flex-start}
.ui-side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
}
.ui-side-title{font-size:16px;font-weight:600;margin-bottom:16px}
.ui-mini-list{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}
.ui-mini-item a{display:flex;gap:12px;align-items:flex-start;color:var(--c-ink)}
.ui-mini-item img{width:64px;height:64px;border-radius:8px;object-fit:cover;flex:none}
.ui-mini-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;font-weight:600;line-height:1.5;
  transition:color var(--ease);
}
.ui-mini-item a:hover .ui-mini-title{color:var(--c-primary)}
.ui-mini-date{display:block;font-size:12px;color:var(--c-ink-3);margin-top:6px}
.ui-side-note{
  margin-top:20px;padding:16px;border-radius:10px;background:var(--c-primary-l);
  font-size:13px;color:var(--c-primary-d);line-height:1.7;
}

/* ===== Section ===== */
.ui-section{padding:88px 0}
.ui-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.ui-sec-head h2{font-size:32px;letter-spacing:-.01em}
.ui-sec-sub{font-size:14px;color:var(--c-ink-2);margin-top:8px;max-width:640px}
.ui-sec-head .ui-link{font-size:14px;text-decoration:none;white-space:nowrap}
.ui-sec-head .ui-link::after{content:"→";margin-left:6px;display:inline-block;transition:transform var(--ease)}
.ui-sec-head .ui-link:hover::after{transform:translateX(3px)}

/* ===== Post card ===== */
.ui-post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.ui-post-card:hover{border-color:rgba(30,95,168,.30);box-shadow:var(--sh-2);transform:translateY(-4px)}
.ui-post-link{display:flex;flex-direction:column;height:100%;padding:22px;color:var(--c-ink)}
.ui-post-link:hover{color:var(--c-ink)}
.ui-post-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ui-post-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;
  transition:color var(--ease);
}
.ui-post-card:hover .ui-post-title{color:var(--c-primary)}
.ui-post-excerpt{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;line-height:1.7;color:var(--c-ink-2);margin:0 0 18px;
}
.ui-post-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}
.ui-post-foot .ui-link{font-size:13px;text-decoration:none;font-weight:600}

/* ===== CTA ===== */
.ui-cta{
  background:var(--c-primary-l);border-radius:var(--r-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.ui-cta h2{font-size:28px;margin-bottom:10px}
.ui-cta p{margin:0;font-size:15px;color:var(--c-ink-2);max-width:560px}
.ui-cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.ui-cta-actions .ui-link{text-decoration:none;font-size:15px}

/* ===== Footer ===== */
.ui-footer{background:#12395F;color:rgba(255,255,255,.78);margin-top:88px;padding:64px 0 0;font-size:14px}
.ui-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.ui-footer .ui-logo{color:#fff;margin-bottom:16px}
.ui-footer .ui-logo:hover{color:#fff}
.ui-footer .ui-logo-mark{background:rgba(255,255,255,.16)}
.ui-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.ui-footer-desc{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;max-width:320px}
.ui-footer-links li{margin-bottom:10px}
.ui-footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.ui-footer-links a:hover{color:#fff}
.ui-footer-contact li{display:flex;gap:10px;margin-bottom:10px;font-size:14px}
.ui-footer-contact b{color:rgba(255,255,255,.52);font-weight:500;flex:none;min-width:34px}
.ui-qr{
  width:96px;height:96px;background:#fff;border-radius:8px;color:#12395F;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.5;margin-top:16px;
}
.ui-footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== Grid helpers ===== */
.ui-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* ===== Backdrop for mobile nav ===== */
body.ui-nav-open::before{
  content:"";position:fixed;inset:0;background:rgba(22,32,44,.45);z-index:115;
}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .ui-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .ui-footer-grid>div:last-child{grid-column:1/-1}
}
@media (max-width:1023px){
  :root{--nav-h:56px}
  .ui-container{padding:0 20px}
  .ui-nav{
    position:fixed;top:0;right:0;bottom:0;width:280px;height:100vh;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:24px 20px;transform:translateX(100%);
    transition:transform 240ms cubic-bezier(.2,.7,.3,1);
    box-shadow:-12px 0 32px -18px rgba(22,32,44,.35);z-index:130;overflow-y:auto;
  }
  body.ui-nav-open .ui-nav{transform:translateX(0)}
  .ui-nav-link{padding:14px 0;font-size:16px;line-height:20px;border-bottom:1px solid var(--c-line)}
  .ui-nav-link.is-active::after{display:none}
  .ui-nav-link.is-active{color:var(--c-primary)}
  .ui-burger{display:inline-flex}
  .ui-nav-right{gap:10px}
  .ui-header .ui-btn-sm{display:none}
  .ui-search.is-open .ui-search-input{width:160px}
  .ui-article-head h1{font-size:28px}
  .ui-article-layout{padding-bottom:64px}
  .ui-article-side{position:static;margin-top:40px}
  .ui-section{padding:64px 0}
  .ui-sec-head h2{font-size:26px}
  .ui-cta{padding:32px;border-radius:16px}
  .ui-cta h2{font-size:24px}
  .ui-footer{padding-top:48px;margin-top:64px}
  .ui-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ui-grid-3{grid-template-columns:repeat(2,1fr)}
  .ui-pager-cards{grid-template-columns:1fr}
}
@media (max-width:639px){
  .ui-container{padding:0 16px}
  .ui-article-head h1{font-size:24px}
  .ui-article-body{font-size:16px}
  .ui-article-body h2{font-size:20px;margin-top:32px}
  .ui-section{padding:48px 0}
  .ui-sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .ui-sec-head h2{font-size:22px}
  .ui-cta{padding:26px 20px;flex-direction:column;align-items:flex-start;gap:20px}
  .ui-cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:12px}
  .ui-cta-actions .ui-btn{width:100%}
  .ui-cta-actions .ui-link{text-align:center}
  .ui-grid-3{grid-template-columns:1fr}
  .ui-footer-grid{grid-template-columns:1fr;gap:28px}
  .ui-footer-bottom{flex-direction:column;gap:6px}
  .ui-search.is-open{position:absolute;left:16px;right:16px;top:58px;background:#fff;padding:10px;border-radius:12px;box-shadow:var(--sh-2);z-index:125}
  .ui-search.is-open .ui-search-input{width:100%;flex:1}
}

/* roulang page: category1 */
:root{
  --c-primary:#1E5FA8;
  --c-primary-d:#164C89;
  --c-primary-l:#EAF2FB;
  --c-accent:#0E9B8E;
  --c-accent-l:#E4F5F2;
  --c-ink:#16202C;
  --c-ink-2:#4A5A70;
  --c-ink-3:#8492A6;
  --c-line:#E4E9F0;
  --c-bg:#F6F8FB;
  --c-surface:#FFFFFF;
  --c-sand:#FAF7F1;
  --c-star:#E9A23B;
  --c-danger:#C0392B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --sh-1:0 1px 2px rgba(22,32,44,.05),0 1px 3px rgba(22,32,44,.04);
  --sh-2:0 8px 24px -12px rgba(22,32,44,.18);
  --sh-3:0 18px 44px -20px rgba(30,95,168,.30);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
h1{font-size:44px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
h2{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.005em;}
h3{font-size:22px;font-weight:600;line-height:1.4;}
p{color:var(--c-ink-2);}

.ui-container{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%;}
.ui-section{padding:88px 0;}
.ui-section--tight{padding:56px 0;}
.ui-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.ui-sec-head p{margin-top:10px;font-size:15px;max-width:640px;}
.ui-eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-accent);margin-bottom:12px;}

/* ---------- 导航 ---------- */
.ui-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  transition:box-shadow var(--t),border-color var(--t);
  border-bottom:1px solid transparent;
}
.ui-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.ui-nav-wrap{display:flex;align-items:center;gap:32px;height:var(--nav-h);}
.ui-logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap;}
.ui-logo:hover{color:var(--c-primary);}
.ui-logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--c-primary);
  color:#fff;font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  letter-spacing:0;flex:0 0 auto;
}
.ui-nav{display:flex;align-items:center;gap:28px;}
.ui-nav-link{
  position:relative;font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--c-ink-2);
  padding:6px 0;white-space:nowrap;
}
.ui-nav-link:hover{color:var(--c-primary);}
.ui-nav-link.is-active{color:var(--c-primary);}
.ui-nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;background:var(--c-primary);border-radius:2px;
}
.ui-nav-right{margin-left:auto;display:flex;align-items:center;gap:16px;}
.ui-search{position:relative;display:flex;align-items:center;}
.ui-search-input{
  width:0;opacity:0;height:40px;padding:0;border:1px solid var(--c-line);border-radius:999px;
  background:var(--c-bg);font-size:14px;color:var(--c-ink);
  transition:width var(--t),opacity var(--t),padding var(--t),border-color var(--t);
}
.ui-search.is-open .ui-search-input{width:240px;opacity:1;padding:0 44px 0 16px;border-color:var(--c-primary);}
.ui-search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,95,168,.12);}
.ui-search-btn{
  width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);border:1px solid var(--c-line);background:var(--c-surface);
  transition:color var(--t),background var(--t),border-color var(--t);
}
.ui-search.is-open .ui-search-btn{position:absolute;right:0;border-color:transparent;background:transparent;}
.ui-search-btn:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);}
.ui-burger{display:none;width:44px;height:44px;border-radius:10px;color:var(--c-ink);align-items:center;justify-content:center;}
.ui-burger:hover{background:var(--c-primary-l);color:var(--c-primary);}

/* 按钮 */
.ui-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:999px;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.ui-btn-lg{height:48px;padding:0 28px;}
.ui-btn-md{height:40px;padding:0 22px;}
.ui-btn-sm{height:36px;padding:0 18px;font-size:14px;}
.ui-btn-primary{background:var(--c-primary);color:#fff;}
.ui-btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.ui-btn-primary:active{transform:translateY(0);box-shadow:none;}
.ui-btn-ghost{background:transparent;color:var(--c-primary);border:1px solid var(--c-primary);}
.ui-btn-ghost:hover{background:rgba(30,95,168,.08);color:var(--c-primary-d);transform:translateY(-1px);}
.ui-btn-accent{background:var(--c-accent);color:#fff;}
.ui-btn-accent:hover{background:#0B837A;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.ui-btn[disabled],.ui-btn.is-disabled{background:var(--c-line);color:var(--c-ink-3);border-color:transparent;pointer-events:none;}

.ui-link{font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:2px solid rgba(30,95,168,.35);padding-bottom:2px;}
.ui-link:hover{color:var(--c-primary-d);border-bottom-color:var(--c-primary-d);}

.ui-badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;}
.ui-badge-primary{background:rgba(30,95,168,.08);color:var(--c-primary);}
.ui-badge-accent{background:var(--c-accent-l);color:var(--c-accent);}
.ui-badge-line{border:1px solid var(--c-line);color:var(--c-ink-2);}

/* 抽屉 */
.ui-drawer-mask{position:fixed;inset:0;background:rgba(22,32,44,.45);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:70;}
.ui-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;background:var(--c-surface);z-index:80;
  transform:translateX(100%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:20px 0 0;
}
body.is-drawer-open .ui-drawer{transform:translateX(0);}
body.is-drawer-open .ui-drawer-mask{opacity:1;visibility:visible;}
body.is-drawer-open{overflow:hidden;}
.ui-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--c-line);}
.ui-drawer-close{width:44px;height:44px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);}
.ui-drawer-close:hover{background:var(--c-primary-l);color:var(--c-primary);}
.ui-drawer-nav{padding:8px 0;flex:1;}
.ui-drawer-nav a{display:flex;align-items:center;height:48px;padding:0 20px;font-size:15px;font-weight:600;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);}
.ui-drawer-nav a.is-active{color:var(--c-primary);background:var(--c-primary-l);}
.ui-drawer-cta{padding:16px 20px 24px;}
.ui-drawer-cta .ui-btn{width:100%;}

/* ---------- 页头 ---------- */
.ui-pagehead{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:28px 0 44px;}
.ui-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:20px;}
.ui-crumb a{color:var(--c-ink-2);}
.ui-crumb a:hover{color:var(--c-primary);}
.ui-crumb li::after{content:"›";margin-left:8px;color:var(--c-ink-3);}
.ui-crumb li:last-child::after{display:none;}
.ui-crumb li[aria-current]{color:var(--c-ink-3);}
.ui-pagehead h1{max-width:820px;}
.ui-pagehead-lead{margin-top:16px;max-width:820px;font-size:16px;line-height:1.85;}

/* ---------- 窄幅 banner ---------- */
.ui-banner{padding-top:48px;}
.ui-banner-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:center;
  background:var(--c-primary-l);border-radius:var(--r-lg);overflow:hidden;
}
.ui-banner-text{padding:36px 40px;}
.ui-banner-text h2{font-size:24px;margin-bottom:12px;}
.ui-banner-text p{font-size:15px;line-height:1.8;max-width:420px;}
.ui-banner-figure{height:220px;}
.ui-banner-figure img{width:100%;height:220px;object-fit:cover;}

/* ---------- 图文交替 ---------- */
.ui-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.ui-split + .ui-split{margin-top:72px;}
.ui-split-figure{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-surface);}
.ui-split-figure img{width:100%;aspect-ratio:5/4;object-fit:cover;}
.ui-split-body h3{font-size:22px;margin-bottom:16px;}
.ui-split-body p{font-size:15px;line-height:1.85;}
.ui-split-list{margin:20px 0 24px;}
.ui-split-list li{position:relative;padding-left:26px;font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.ui-split-list li + li{margin-top:10px;}
.ui-split-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2px solid var(--c-accent);border-bottom:2px solid var(--c-accent);transform:rotate(-45deg);
}
.ui-split--reverse .ui-split-figure{order:2;}

/* ---------- 特性网格 ---------- */
.ui-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ui-feature{
  background:var(--c-primary-l);border-radius:var(--r-md);padding:26px 24px;
  transition:transform var(--t),box-shadow var(--t);
}
.ui-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.ui-feature-icon{
  width:40px;height:40px;border-radius:10px;background:var(--c-surface);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.ui-feature h3{font-size:16px;font-weight:600;margin-bottom:10px;}
.ui-feature p{font-size:13px;line-height:1.7;color:var(--c-ink-2);}

/* ---------- 参数表 ---------- */
.ui-table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);box-shadow:var(--sh-1);}
table.ui-table{width:100%;border-collapse:collapse;min-width:760px;margin:0;}
table.ui-table th,table.ui-table td{
  padding:16px 20px;font-size:14px;text-align:left;border-bottom:1px solid var(--c-line);color:var(--c-ink-2);line-height:1.7;
}
table.ui-table th{font-size:14px;font-weight:600;color:var(--c-ink);background:rgba(30,95,168,.06);white-space:nowrap;}
table.ui-table tbody tr:nth-child(even){background:#FBFCFE;}
table.ui-table tbody tr:last-child td{border-bottom:0;}
table.ui-table td:first-child{font-weight:600;color:var(--c-ink);}

/* ---------- FAQ ---------- */
.ui-faq{max-width:900px;margin:0 auto;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;}
.ui-faq-item + .ui-faq-item{border-top:1px solid var(--c-line);}
.ui-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:14px 24px;font-size:16px;font-weight:600;color:var(--c-ink);text-align:left;
  transition:background var(--t),color var(--t);
}
.ui-faq-q:hover{background:var(--c-primary-l);color:var(--c-primary);}
.ui-faq-q .ui-faq-plus{
  flex:0 0 auto;width:20px;height:20px;color:var(--c-primary);position:relative;transition:transform 220ms cubic-bezier(.2,.7,.3,1);
}
.ui-faq-q .ui-faq-plus::before,.ui-faq-q .ui-faq-plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.ui-faq-q .ui-faq-plus::before{left:0;top:9px;width:20px;height:2px;}
.ui-faq-q .ui-faq-plus::after{top:0;left:9px;width:2px;height:20px;}
.ui-faq-item.is-open .ui-faq-plus{transform:rotate(45deg);}
.ui-faq-a{max-height:0;overflow:hidden;transition:max-height 220ms cubic-bezier(.2,.7,.3,1);}
.ui-faq-a-inner{padding:0 24px 22px 24px;font-size:15px;line-height:1.9;color:var(--c-ink-2);border-left:3px solid transparent;}
.ui-faq-item.is-open .ui-faq-a-inner{border-left-color:var(--c-primary);padding-left:21px;}

/* ---------- CTA ---------- */
.ui-cta-wrap{padding-top:24px;}
.ui-cta{
  background:var(--c-primary-l);border-radius:var(--r-lg);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.ui-cta h2{font-size:28px;margin-bottom:10px;}
.ui-cta p{font-size:15px;max-width:620px;}
.ui-cta-actions{display:flex;align-items:center;gap:20px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.ui-footer{background:#12395F;color:#fff;padding:64px 0 0;margin-top:88px;}
.ui-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;}
.ui-footer .ui-logo{color:#fff;font-size:18px;}
.ui-footer .ui-logo:hover{color:#fff;}
.ui-footer .ui-logo-mark{background:rgba(255,255,255,.16);}
.ui-footer h4{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff;}
.ui-footer-desc{margin-top:16px;font-size:13px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px;}
.ui-footer-links li + li{margin-top:10px;}
.ui-footer-links a{font-size:14px;color:rgba(255,255,255,.78);}
.ui-footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.ui-footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:10px;}
.ui-footer-contact b{font-weight:600;color:#fff;flex:0 0 42px;}
.ui-qr{
  width:96px;height:96px;border-radius:8px;background:#fff;color:#12395F;font-size:12px;line-height:1.5;
  display:flex;align-items:center;justify-content:center;text-align:center;margin-top:16px;
}
.ui-footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.66);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  h1{font-size:36px;}
  h2{font-size:26px;}
  .ui-section{padding:64px 0;}
  .ui-feature-grid{grid-template-columns:repeat(2,1fr);}
  .ui-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .ui-nav,.ui-nav-right .ui-btn{display:none;}
  .ui-burger{display:inline-flex;}
  .ui-nav-wrap{height:56px;gap:16px;}
  .ui-search.is-open .ui-search-input{width:180px;}
  .ui-split{grid-template-columns:1fr;gap:28px;}
  .ui-split--reverse .ui-split-figure{order:0;}
  .ui-banner-inner{grid-template-columns:1fr;}
  .ui-banner-text{padding:28px 24px;}
  .ui-banner-figure,.ui-banner-figure img{height:180px;}
  .ui-cta{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .ui-cta-actions{width:100%;}
}
@media (max-width:767px){
  .ui-container{padding:0 16px;}
  .ui-footer-grid{grid-template-columns:1fr;}
}
@media (max-width:639px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:15px;}
  .ui-section{padding:48px 0;}
  .ui-feature-grid{grid-template-columns:1fr;}
  .ui-sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .ui-cta-actions{flex-direction:column;align-items:stretch;gap:12px;}
  .ui-cta-actions .ui-btn{width:100%;}
  .ui-search.is-open .ui-search-input{width:140px;}
  .ui-footer{padding-top:48px;margin-top:48px;}
  .ui-pagehead{padding:20px 0 32px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1E5FA8; --c-primary-d:#164C89; --c-primary-l:#EAF2FB;
  --c-accent:#0E9B8E; --c-accent-l:#E4F5F2;
  --c-ink:#16202C; --c-ink-2:#4A5A70; --c-ink-3:#8492A6;
  --c-line:#E4E9F0; --c-bg:#F6F8FB; --c-surface:#FFFFFF; --c-sand:#FAF7F1;
  --c-star:#E9A23B; --c-danger:#C0392B;
  --r-sm:8px; --r-md:12px; --r-lg:18px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,32,44,.05),0 1px 3px rgba(22,32,44,.04);
  --sh-2:0 8px 24px -12px rgba(22,32,44,.18);
  --sh-3:0 18px 44px -20px rgba(30,95,168,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--c-bg);color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms var(--ease)}
a:hover{color:var(--c-primary-d)}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.ui-container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* 按钮 */
.ui-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;
  border-radius:var(--r-pill);border:1px solid transparent;text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background-color 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease);}
.ui-btn-sm{height:32px;padding:0 16px;font-size:14px}
.ui-btn-md{height:40px;padding:0 20px}
.ui-btn-lg{height:48px;padding:0 28px}
.ui-btn-primary{background:var(--c-primary);color:#fff}
.ui-btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.ui-btn-primary:active{transform:translateY(0);background:var(--c-primary-d)}
.ui-btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.ui-btn-ghost:hover{background:rgba(30,95,168,.08);color:var(--c-primary-d);border-color:var(--c-primary-d)}
.ui-btn-accent{background:var(--c-accent);color:#fff}
.ui-btn-accent:hover{background:#0B8579;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.ui-btn[disabled],.ui-btn.is-disabled{background:var(--c-line);color:var(--c-ink-3);border-color:var(--c-line);pointer-events:none;box-shadow:none}

.ui-link{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.ui-link:hover{color:var(--c-primary-d)}

.ui-badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1}
.ui-badge-primary{background:rgba(30,95,168,.08);color:var(--c-primary)}
.ui-badge-accent{background:var(--c-accent-l);color:var(--c-accent)}
.ui-badge-line{border:1px solid var(--c-line);color:var(--c-ink-2);background:#fff}

/* 导航 */
.ui-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid transparent;transition:box-shadow 180ms var(--ease),border-color 180ms var(--ease)}
.ui-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.ui-nav-wrap{display:flex;align-items:center;height:var(--nav-h);gap:32px}
.ui-logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;text-decoration:none}
.ui-logo:hover{color:var(--c-ink)}
.ui-logo-mark{width:30px;height:30px;border-radius:9px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700;letter-spacing:.01em;flex:none}
.ui-nav{display:flex;align-items:center;gap:28px;margin-left:8px}
.ui-nav-link{position:relative;font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--c-ink-2);padding:6px 0}
.ui-nav-link:hover{color:var(--c-primary)}
.ui-nav-link.is-active{color:var(--c-primary)}
.ui-nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--c-primary)}
.ui-nav-right{display:flex;align-items:center;gap:16px;margin-left:auto}
.ui-search{display:flex;align-items:center;height:40px;border-radius:var(--r-pill);background:var(--c-bg);border:1px solid transparent;padding:0 4px;transition:background-color 180ms var(--ease),border-color 180ms var(--ease)}
.ui-search.is-open{background:#fff;border-color:var(--c-primary)}
.ui-search-input{width:0;opacity:0;border:0;background:transparent;font-size:14px;outline:none;transition:width 220ms var(--ease),opacity 160ms var(--ease),padding 220ms var(--ease)}
.ui-search.is-open .ui-search-input{width:196px;opacity:1;padding:0 6px 0 14px}
.ui-search-btn{width:32px;height:32px;border-radius:var(--r-pill);display:grid;place-items:center;color:var(--c-ink-2)}
.ui-search-btn:hover{color:var(--c-primary);background:rgba(30,95,168,.08)}
.ui-burger{display:none;width:44px;height:44px;border-radius:var(--r-sm);align-items:center;justify-content:center;color:var(--c-ink)}
.ui-burger:hover{background:var(--c-bg)}

/* 移动抽屉 */
.ui-mask{position:fixed;inset:0;background:rgba(22,32,44,.45);z-index:70;opacity:0;pointer-events:none;transition:opacity 200ms var(--ease)}
.ui-mask.is-open{opacity:1;pointer-events:auto}
.ui-drawer{position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100%;background:#fff;z-index:80;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform 240ms var(--ease);box-shadow:-18px 0 44px -24px rgba(22,32,44,.4)}
.ui-drawer.is-open{transform:translateX(0)}
.ui-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--c-line)}
.ui-drawer-close{width:44px;height:44px;border-radius:var(--r-sm);font-size:22px;color:var(--c-ink-2);display:grid;place-items:center}
.ui-drawer-close:hover{background:var(--c-bg);color:var(--c-primary)}
.ui-drawer-search{padding:16px}
.ui-drawer-search input{width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-bg);padding:0 16px;outline:none;font-size:14px}
.ui-drawer-search input:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(30,95,168,.12)}
.ui-drawer-nav{display:flex;flex-direction:column;padding:0 16px}
.ui-drawer-nav a{height:48px;display:flex;align-items:center;font-size:15px;font-weight:600;color:var(--c-ink-2);border-bottom:1px solid var(--c-line)}
.ui-drawer-nav a.is-active{color:var(--c-primary)}
.ui-drawer-cta{margin:auto 16px 24px}

/* 面包屑 */
.ui-crumb-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.ui-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);padding:14px 0}
.ui-crumb li{display:flex;align-items:center;gap:8px}
.ui-crumb li+li::before{content:"›";color:var(--c-ink-3)}
.ui-crumb a{color:var(--c-ink-2)}
.ui-crumb a:hover{color:var(--c-primary)}
.ui-crumb .is-current{color:var(--c-ink-3)}

/* Banner */
.ui-banner{position:relative;height:260px;overflow:hidden;background:var(--c-primary)}
.ui-banner img{width:100%;height:100%;object-fit:cover}
.ui-banner-overlay{position:absolute;inset:0;background:rgba(30,95,168,.85)}
.ui-banner-inner{position:absolute;inset:0;display:flex;align-items:center}
.ui-banner-text{max-width:640px;color:#fff}
.ui-banner-text h1{font-size:44px;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:#fff;margin-bottom:14px}
.ui-banner-text p{font-size:16px;line-height:1.75;color:rgba(255,255,255,.9);max-width:560px}

/* 板块 */
.ui-section{padding:88px 0}
.ui-section-alt{background:var(--c-bg)}
.ui-section-white{background:#fff}
.ui-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.ui-eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--c-primary);margin-bottom:12px}
.ui-h2{font-size:32px;font-weight:700;line-height:1.3;color:var(--c-ink)}
.ui-h3{font-size:22px;font-weight:600;line-height:1.4;color:var(--c-ink)}
.ui-lead{font-size:16px;line-height:1.85;color:var(--c-ink-2);max-width:820px}

/* 三列特性 */
.ui-feature-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);margin-top:40px}
.ui-feature{padding:36px 28px}
.ui-feature+.ui-feature{border-left:1px solid var(--c-line)}
.ui-ico{width:44px;height:44px;border-radius:12px;background:var(--c-primary-l);color:var(--c-primary);display:grid;place-items:center;margin-bottom:18px}
.ui-feature h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:10px}
.ui-feature p{font-size:13px;line-height:1.8;color:var(--c-ink-2)}

/* 图文条 */
.ui-split{display:grid;grid-template-columns:5fr 6fr;gap:40px;align-items:center;margin-top:48px}
.ui-split-media{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:5/4;background:var(--c-line)}
.ui-split-media img{width:100%;height:100%;object-fit:cover}
.ui-split-body h3{font-size:22px;font-weight:600;line-height:1.4;margin-bottom:16px}
.ui-split-body p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin-bottom:10px}
.ui-split-body .ui-link{display:inline-block;margin-top:12px;font-weight:600}

/* 时间轴 */
.ui-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.ui-step{position:relative;padding-top:56px}
.ui-step-num{position:absolute;top:0;left:0;width:32px;height:32px;border-radius:50%;background:#fff;border:2px solid var(--c-primary);color:var(--c-primary);display:grid;place-items:center;font-size:14px;font-weight:700;z-index:1}
.ui-step::after{content:"";position:absolute;top:15px;left:32px;right:-24px;height:2px;background:var(--c-line)}
.ui-step:last-child::after{display:none}
.ui-step h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:10px}
.ui-step p{font-size:14px;line-height:1.8;color:var(--c-ink-2)}
.ui-step .ui-badge{margin-top:14px}

/* 双栏清单 */
.ui-compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
.ui-compare-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:32px;box-shadow:var(--sh-1)}
.ui-compare-card h3{font-size:20px;font-weight:600;margin-bottom:8px}
.ui-compare-card .ui-compare-note{font-size:13px;color:var(--c-ink-3);margin-bottom:20px}
.ui-check-list li{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line);font-size:15px;line-height:1.7;color:var(--c-ink)}
.ui-check-list li:last-child{border-bottom:0}
.ui-check-list svg{flex:none;margin-top:5px;color:var(--c-accent)}
.ui-time-list li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--c-line);font-size:15px;line-height:1.7}
.ui-time-list li:last-child{border-bottom:0}
.ui-time-list .ui-badge{flex:none}

/* FAQ */
.ui-faq{max-width:880px;margin:40px auto 0}
.ui-faq-item{border-bottom:1px solid var(--c-line)}
.ui-faq-item:first-child{border-top:1px solid var(--c-line)}
.ui-faq-item.is-open{box-shadow:inset 3px 0 0 var(--c-primary)}
.ui-faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 6px 16px 16px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink)}
.ui-faq-q:hover{color:var(--c-primary)}
.ui-faq-q::after{content:"+";font-size:20px;font-weight:400;color:var(--c-primary);line-height:1;transition:transform 220ms var(--ease)}
.ui-faq-item.is-open .ui-faq-q::after{transform:rotate(45deg)}
.ui-faq-a{max-height:0;overflow:hidden;transition:max-height 220ms var(--ease)}
.ui-faq-a p{padding:0 24px 22px 16px;font-size:15px;line-height:1.9;color:var(--c-ink-2)}

/* CTA */
.ui-cta{background:var(--c-primary-l);border-radius:var(--r-lg);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.ui-cta h2{font-size:28px;font-weight:700;line-height:1.3;margin-bottom:10px}
.ui-cta p{font-size:15px;line-height:1.8;color:var(--c-ink-2);max-width:560px}
.ui-cta-actions{display:flex;align-items:center;gap:20px;flex:none}

/* 页脚 */
.ui-footer{background:#12395F;color:#fff;padding:64px 0 0;margin-top:0}
.ui-footer .ui-logo{color:#fff;margin-bottom:16px}
.ui-footer .ui-logo:hover{color:#fff}
.ui-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.ui-footer h4{font-size:15px;font-weight:600;margin-bottom:18px;color:#fff}
.ui-footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
.ui-footer-links li{margin-bottom:12px}
.ui-footer-links a{font-size:14px;color:rgba(255,255,255,.78)}
.ui-footer-links a:hover{color:#fff}
.ui-footer-contact li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:12px}
.ui-footer-contact b{color:#fff;font-weight:600;min-width:34px;flex:none}
.ui-qr{width:96px;height:96px;border-radius:8px;background:#fff;color:#12395F;font-size:12px;line-height:1.5;display:grid;place-items:center;text-align:center;margin-top:18px}
.ui-footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.66)}

/* 响应式 */
@media (max-width:1199px){
  .ui-banner-text h1{font-size:36px}
  .ui-h2{font-size:26px}
  .ui-section{padding:64px 0}
}
@media (max-width:1023px){
  :root{--nav-h:56px}
  .ui-nav{display:none}
  .ui-search{display:none}
  .ui-burger{display:inline-flex}
  .ui-banner{height:230px}
  .ui-banner-text h1{font-size:30px}
  .ui-feature-row{grid-template-columns:1fr}
  .ui-feature+.ui-feature{border-left:0;border-top:1px solid var(--c-line)}
  .ui-timeline{grid-template-columns:1fr;gap:8px}
  .ui-step{padding-top:0;padding-left:56px;padding-bottom:24px}
  .ui-step::after{top:32px;left:15px;right:auto;bottom:0;width:2px;height:auto}
  .ui-split{grid-template-columns:1fr;gap:24px}
  .ui-compare{grid-template-columns:1fr}
  .ui-footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .ui-cta{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .ui-cta-actions{width:100%;flex-wrap:wrap}
}
@media (max-width:640px){
  .ui-container{padding:0 16px}
  .ui-section{padding:48px 0}
  .ui-banner{height:210px}
  .ui-banner-text h1{font-size:28px}
  .ui-banner-text p{font-size:14px}
  .ui-h2{font-size:22px}
  .ui-section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .ui-compare-card{padding:24px}
  .ui-cta-actions{flex-direction:column;align-items:stretch}
  .ui-cta-actions .ui-btn{width:100%}
  .ui-footer-grid{grid-template-columns:1fr;gap:32px}
  .ui-footer-bottom{flex-direction:column;align-items:flex-start}
}