/* roulang page: index */
:root{
  --primary:#1565B5;
  --primary-dark:#0E4A85;
  --primary-soft:#E9F2FB;
  --accent:#F5722B;
  --accent-soft:#FFF0E7;
  --mint:#12A08C;
  --mint-soft:#E4F6F3;
  --ink:#15202C;
  --text:#4C5A69;
  --muted:#7C8B99;
  --line:#E2E9F0;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --r-card:16px;
  --r-sm:10px;
  --shadow:0 2px 4px rgba(21,49,80,.04),0 14px 30px -14px rgba(21,49,80,.16);
  --shadow-hover:0 20px 40px -16px rgba(21,49,80,.24);
  --ease:180ms ease;
  --container:1200px;
  --section-y:72px;
}
@media (min-width:1440px){
  :root{--container:1280px;}
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--ink);margin:0 0 16px;font-weight:700;line-height:1.32;}
h1{font-size:40px;line-height:1.25;letter-spacing:-.4px;}
h2{font-size:30px;line-height:1.35;letter-spacing:-.2px;}
h3{font-size:22px;}
h4{font-size:18px;}
p{margin:0 0 16px;max-width:42em;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),box-shadow var(--ease);}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:var(--section-y) 0;}
.section--soft{background:#FFFFFF;}
.section--tint{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.6px;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head p{color:var(--text);font-size:16px;margin-bottom:0;}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap;
}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--primary);
  min-height:44px;
}
.link-more svg{transition:transform var(--ease);}
.link-more:hover svg{transform:translateX(4px);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;text-align:center;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -12px rgba(21,101,181,.7);}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(14,74,133,.75);}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn--accent{background:var(--accent);color:#fff;}
.btn--accent:hover{background:#DE5F1A;color:#fff;}
.btn--pill{border-radius:999px;}
.btn--block{width:100%;}
.btn:active{transform:translateY(0);}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);
}
.tag--mint{background:var(--mint-soft);color:var(--mint);}
.tag--accent{background:var(--accent-soft);color:var(--accent);}
.tag--line{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow var(--ease);}
.site-header.is-scrolled{box-shadow:0 10px 28px -20px rgba(21,49,80,.55);}
.topbar{background:var(--primary-soft);font-size:14px;color:var(--primary-dark);}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;height:36px;}
.topbar__notice{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13.5px;}
.topbar__right{display:flex;align-items:center;gap:16px;font-size:13.5px;}
.topbar__right a{font-weight:600;}
.navwrap{border-bottom:1px solid var(--line);background:#fff;}
.navrow{display:flex;align-items:center;gap:28px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand__mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;box-shadow:0 8px 18px -10px rgba(21,101,181,.9);
}
.brand__text{font-size:19px;font-weight:700;letter-spacing:.2px;color:var(--ink);}
.brand:hover .brand__text{color:var(--primary);}
.mainnav{margin-left:auto;}
.mainnav__list{display:flex;align-items:center;gap:4px;}
.mainnav__list > li{position:relative;}
.mainnav__list > li > a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 14px;
  font-size:15.5px;font-weight:500;color:var(--ink);border-bottom:3px solid transparent;
}
.mainnav__list > li > a:hover{color:var(--primary);border-bottom-color:var(--primary-soft);}
.mainnav__list > li > a.is-active{color:var(--primary);font-weight:700;border-bottom-color:var(--primary);}
.navcta{flex:0 0 auto;}
.navcta .btn{min-height:44px;padding:0 22px;font-size:15px;}
.navtoggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.navtoggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.navtoggle span::before,.navtoggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.navtoggle span::before{top:-6px;}
.navtoggle span::after{top:6px;}

/* Mega 面板 */
.mega{
  position:absolute;top:calc(100% + 14px);right:-16px;width:760px;
  background:#fff;border-top:2px solid var(--primary);border-radius:0 0 var(--r-card) var(--r-card);
  box-shadow:var(--shadow-hover);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 220px;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega__title{font-size:13px;font-weight:700;letter-spacing:.5px;color:var(--muted);margin-bottom:12px;}
.mega__list li + li{margin-top:4px;}
.mega__list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px 12px;border-radius:var(--r-sm);color:var(--ink);font-size:15px;
}
.mega__list a:hover{background:var(--primary-soft);color:var(--primary);}
.mega__list .num{font-size:12.5px;color:var(--muted);background:var(--bg);border-radius:999px;padding:2px 9px;}
.mega__news li + li{margin-top:14px;}
.mega__news a{display:block;color:var(--ink);font-size:14.5px;line-height:1.6;}
.mega__news a:hover{color:var(--primary);}
.mega__news span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.mega__card{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg);
}
.mega__card img{width:100%;height:110px;object-fit:cover;}
.mega__card div{padding:14px;}
.mega__card p{font-size:13.5px;margin:0 0 8px;color:var(--text);}
.mega__card strong{font-size:14.5px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:8px 0 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{display:block;padding:12px 4px;font-size:17px;color:var(--ink);border-bottom:1px solid var(--line);}
.mobile-drawer a:last-of-type{border-bottom:0;}
.mobile-drawer .btn{margin-top:16px;}

/* Hero */
.hero{position:relative;padding:64px 0 56px;background:var(--bg);overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(21,101,181,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(21,101,181,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(120% 90% at 12% 0%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(120% 90% at 12% 0%,#000 0%,transparent 72%);
  pointer-events:none;
}
.hero__grid{position:relative;align-items:center;}
.hero__copy{position:relative;z-index:2;}
.hero__copy h1{margin:18px 0 18px;max-width:16em;}
.hero__sub{font-size:18px;line-height:1.8;color:var(--text);max-width:30em;margin-bottom:28px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.trustrow{display:flex;flex-wrap:wrap;gap:10px;}
.trustrow li{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;
}
.trustrow li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);flex:0 0 7px;
}
.hero__media{position:relative;}
.hero__media img{
  width:100%;height:420px;object-fit:cover;border-radius:20px 0 0 20px;
  box-shadow:var(--shadow);margin-left:12px;
}
.hero__badge{
  position:absolute;left:-8px;bottom:26px;background:#fff;border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:16px 20px;display:flex;align-items:center;gap:14px;max-width:280px;
}
.hero__badge strong{display:block;font-size:26px;color:var(--primary);line-height:1.1;}
.hero__badge span{font-size:13.5px;color:var(--muted);}

/* 服务范围 */
.scope__grid{gap:0;}
.scope__list li{
  display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);
}
.scope__list li:first-child{padding-top:0;}
.scope__list li:last-child{border-bottom:0;padding-bottom:0;}
.scope__num{
  flex:0 0 48px;width:48px;height:48px;border-radius:14px;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
}
.scope__list h4{margin-bottom:6px;}
.scope__list p{margin:0;font-size:15px;color:var(--text);}
.statbar{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);
  padding:28px;display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:24px;
}
.statbar div strong{display:block;font-size:30px;color:var(--primary);line-height:1.2;}
.statbar div span{font-size:13.5px;color:var(--muted);}
.scope__card{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#fff;
}
.scope__card img{width:100%;height:200px;object-fit:cover;}
.scope__card div{padding:20px 22px;}
.scope__card h4{margin-bottom:8px;}
.scope__card p{margin:0;font-size:14.5px;}

/* 优惠阶梯 */
.ladder{position:relative;padding-left:34px;}
.ladder::before{
  content:"";position:absolute;left:13px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,var(--primary-soft) 100%);
}
.ladder__item{position:relative;padding-bottom:22px;}
.ladder__item:last-child{padding-bottom:0;}
.ladder__item::before{
  content:"";position:absolute;left:-27px;top:28px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.ladder__card{
  border-radius:var(--r-card);padding:26px 28px;border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
}
.ladder__card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.ladder__item:nth-child(even) .ladder__card{background:var(--primary-soft);border-color:#CFE2F6;}
.ladder__item:nth-child(2) .ladder__card{margin-left:12px;}
.ladder__item:nth-child(3) .ladder__card{margin-left:24px;}
.ladder__item:nth-child(4) .ladder__card{margin-left:36px;}
.ladder__top{display:flex;align-items:baseline;gap:16px;margin-bottom:10px;flex-wrap:wrap;}
.ladder__no{
  font-size:40px;font-weight:700;line-height:1;color:var(--primary);opacity:.9;font-variant-numeric:tabular-nums;
}
.ladder__card h3{margin:0;}
.ladder__card p{margin:0 0 12px;font-size:15px;}

/* 套餐对比 */
.plans__grid{align-items:stretch;}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.plan--featured{border:2px solid var(--primary);transform:translateY(-12px);}
.plan--featured:hover{transform:translateY(-15px);}
.plan__flag{
  position:absolute;top:-14px;left:24px;background:var(--primary);color:#fff;
  font-size:13px;font-weight:600;border-radius:999px;padding:5px 14px;letter-spacing:.4px;
}
.plan h3{margin-bottom:6px;font-size:21px;}
.plan__desc{font-size:14px;color:var(--muted);margin-bottom:18px;}
.plan__price{
  font-size:24px;font-weight:700;color:var(--primary);padding-bottom:18px;margin-bottom:18px;
  border-bottom:1px solid var(--line);
}
.plan__price small{display:block;font-size:13px;font-weight:400;color:var(--muted);margin-top:4px;}
.plan__list{margin-bottom:24px;flex:1;}
.plan__list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;padding:8px 0;}
.plan__list li + li{border-top:1px solid var(--line);}
.plan__list svg{flex:0 0 18px;margin-top:5px;color:var(--mint);}
.plan .btn{margin-top:auto;}

/* 限时入口 */
.limited{
  background:var(--accent-soft);border-left:4px solid var(--primary);border-radius:var(--r-card);
  padding:34px 36px;box-shadow:var(--shadow);
}
.limited__grid{align-items:center;}
.countdown{display:flex;gap:12px;}
.countdown div{
  background:#fff;border:1px solid #F7D6BF;border-radius:var(--r-sm);
  min-width:78px;padding:14px 10px;text-align:center;
}
.countdown strong{display:block;font-size:28px;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums;}
.countdown span{font-size:12.5px;color:var(--muted);}
.limited h2{margin-bottom:10px;}
.limited p{font-size:15px;margin-bottom:18px;}
.progress{height:10px;border-radius:999px;background:#EFE3DA;overflow:hidden;margin-bottom:22px;}
.progress i{display:block;height:100%;width:68%;border-radius:999px;background:var(--primary);}
.limited__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 场景卡片 */
.scene__grid{align-items:flex-start;}
.scene{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.scene img{width:100%;height:180px;object-fit:cover;}
.scene__body{padding:22px 22px 26px;}
.scene__body h3{font-size:19px;margin-bottom:8px;}
.scene__body p{font-size:14.5px;margin:0 0 14px;}
.scene:nth-child(2) .scene__body{padding-bottom:40px;}
.scene:nth-child(4) .scene__body{padding-bottom:34px;}

/* 最新信息 */
.newscard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.newscard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.newscard__thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft);}
.newscard__thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.newscard:hover .newscard__thumb img{transform:scale(1.04);}
.newscard__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.newscard__title{font-size:18px;margin:12px 0 8px;line-height:1.5;}
.newscard__title a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.newscard__title a:hover{color:var(--primary);}
.newscard__desc{
  font-size:14.5px;color:var(--text);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.newscard__meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted);
}
.newscard__meta a{font-weight:600;font-size:14px;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.empty-state svg{color:var(--primary);opacity:.6;margin-bottom:14px;}
.empty-state p{margin:0 auto 18px;color:var(--muted);max-width:26em;}

/* FAQ */
.faq__list{display:grid;gap:14px;max-width:900px;}
.faq__item{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--primary);
  border-radius:var(--r-sm);box-shadow:var(--shadow);overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq__item[open]{box-shadow:var(--shadow-hover);}
.faq__item summary{
  cursor:pointer;list-style:none;padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary::after{
  content:"";flex:0 0 12px;width:10px;height:10px;border-right:2px solid var(--primary);
  border-bottom:2px solid var(--primary);transform:rotate(45deg);transition:transform var(--ease);margin-right:4px;
}
.faq__item[open] summary{color:var(--primary);}
.faq__item[open] summary::after{transform:rotate(-135deg);}
.faq__item .faq__body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text);}
.faq__item .faq__body p{margin:0;max-width:none;}

/* 表单 */
.formwrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 32px;box-shadow:var(--shadow);
}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14.5px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--ink);transition:border-color var(--ease),box-shadow var(--ease);
  appearance:none;
}
.field textarea{height:auto;min-height:128px;padding:12px 16px;line-height:1.8;resize:vertical;}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:42px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(21,101,181,.14);
}
.field .hint{font-size:13px;color:var(--muted);margin:6px 0 0;}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text);margin-bottom:22px;}
.checkline input{margin-top:5px;width:18px;height:18px;accent-color:var(--primary);}
.checkline a{text-decoration:underline;}
.trustbox{
  background:var(--primary-soft);border-radius:var(--r-card);padding:28px 26px;height:100%;
  display:flex;flex-direction:column;gap:18px;
}
.trustbox h3{font-size:19px;margin-bottom:0;}
.trustbox__item{display:flex;gap:14px;}
.trustbox__item svg{flex:0 0 22px;margin-top:4px;color:var(--primary);}
.trustbox__item strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:2px;}
.trustbox__item p{margin:0;font-size:14px;}
.trustbox img{border-radius:var(--r-sm);height:150px;object-fit:cover;margin-top:auto;}

/* CTA */
.cta{background:var(--primary);color:#fff;border-radius:var(--r-card);padding:44px 44px;box-shadow:var(--shadow-hover);}
.cta h2{color:#fff;margin-bottom:12px;}
.cta p{color:rgba(255,255,255,.86);font-size:16px;margin-bottom:24px;}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta .btn--ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.cta .btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:60px 0 0;margin-top:0;}
.footer__grid{gap:0;}
.footer__brand .brand{margin-bottom:16px;}
.footer__brand p{font-size:14.5px;color:var(--text);max-width:26em;}
.footer h4{font-size:16px;margin-bottom:16px;}
.footer__links li{margin-bottom:10px;}
.footer__links a{font-size:14.5px;color:var(--text);}
.footer__links a:hover{color:var(--primary);}
.footer__contact li{font-size:14.5px;color:var(--text);margin-bottom:12px;display:flex;gap:10px;}
.footer__contact svg{flex:0 0 18px;margin-top:4px;color:var(--primary);}
.footer__bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:var(--muted);
}

/* 响应式 */
@media (max-width:1023px){
  h1{font-size:32px;}
  h2{font-size:24px;}
  .section{padding:56px 0;}
  .hero{padding:44px 0 40px;}
  .hero__media img{height:300px;margin-left:0;border-radius:18px;}
  .hero__badge{display:none;}
  .mainnav,.navcta{display:none;}
  .navtoggle{display:flex;margin-left:auto;}
  .navrow{min-height:64px;}
  .mega{display:none;}
  .ladder__item:nth-child(2) .ladder__card,
  .ladder__item:nth-child(3) .ladder__card,
  .ladder__item:nth-child(4) .ladder__card{margin-left:0;}
  .plan--featured{transform:none;}
  .plan--featured:hover{transform:translateY(-3px);}
  .cta{padding:34px 28px;}
  .limited{padding:28px 24px;}
}
@media (max-width:639px){
  h1{font-size:28px;line-height:1.35;}
  h2{font-size:22px;}
  h3{font-size:19px;}
  body{font-size:15.5px;}
  .section{padding:44px 0;}
  .container{padding:0 16px;}
  .topbar__right{display:none;}
  .hero__sub{font-size:16px;}
  .hero__actions .btn{flex:1 1 100%;}
  .countdown{flex-wrap:wrap;gap:10px;}
  .countdown div{flex:1 1 40%;min-width:0;}
  .statbar{grid-template-columns:1fr;padding:22px;}
  .formwrap{padding:24px 20px;}
  .ladder{padding-left:26px;}
  .ladder__card{padding:22px 20px;}
  .faq__item summary{padding:16px 18px;font-size:16px;}
  .faq__item .faq__body{padding:0 18px 18px;}
  .footer__bottom{flex-direction:column;gap:8px;}
  .section-head--row{align-items:flex-start;}
}
@media (max-width:1439px){
  .plans__grid{overflow-x:auto;scroll-snap-type:x mandatory;}
}

/* roulang page: article */
:root{
  --c-primary:#1565B5;
  --c-primary-dark:#0E4A85;
  --c-primary-soft:#E9F2FB;
  --c-accent:#F5722B;
  --c-accent-soft:#FFF0E7;
  --c-mint:#12A08C;
  --c-mint-soft:#E4F6F3;
  --c-ink:#15202C;
  --c-text:#4C5A69;
  --c-muted:#7C8B99;
  --c-line:#E2E9F0;
  --c-bg:#F5F8FC;
  --c-card:#FFFFFF;
  --r-card:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-card:0 2px 4px rgba(21,49,80,.04), 0 14px 30px -14px rgba(21,49,80,.16);
  --sh-hover:0 20px 40px -16px rgba(21,49,80,.24);
  --ease:180ms ease;
  --space:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),opacity var(--ease)}
a:hover{color:var(--c-primary-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{color:var(--c-ink);margin:0 0 12px;font-weight:700;line-height:1.3}
h1{font-size:40px;line-height:1.25}
h2{font-size:30px;line-height:1.35}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0 0 16px;max-width:42em}
ul,ol{margin:0 0 16px;padding-left:22px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1280px}}
.section{padding:72px 0}
.section--tight{padding:44px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--c-primary)}
.section-head{margin-bottom:34px}
.section-head p{color:var(--c-muted);margin:0;font-size:15px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:all var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -12px rgba(21,101,181,.7)}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-line)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.btn--pill{border-radius:var(--r-pill)}
.btn--sm{min-height:44px;padding:0 18px;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1}
.badge--blue{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.badge--mint{background:var(--c-mint-soft);color:var(--c-mint)}
.badge--orange{background:var(--c-accent-soft);color:var(--c-accent)}
.topbar{background:var(--c-primary-soft);font-size:13px;color:var(--c-primary-dark)}
.topbar__in{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px}
.topbar__note{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar__dot{width:7px;height:7px;border-radius:50%;background:var(--c-mint);flex:none}
.topbar__meta{color:var(--c-primary);white-space:nowrap}
@media (max-width:767px){.topbar__meta{display:none}}
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:0 10px 24px -18px rgba(21,49,80,.5)}
.header__in{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700}
.brand:hover{color:var(--c-ink)}
.brand__mark{width:38px;height:38px;border-radius:11px;background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;box-shadow:0 8px 18px -10px rgba(21,101,181,.9)}
.brand__text{font-size:19px;letter-spacing:.01em}
.mainnav{margin-left:auto}
.mainnav__list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.mainnav__list>li{position:relative}
.mainnav__list>li>a{display:inline-flex;align-items:center;height:48px;padding:0 14px;font-size:15px;font-weight:600;color:var(--c-text);border-radius:var(--r-sm);position:relative}
.mainnav__list>li>a::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:3px;border-radius:2px;background:transparent;transition:background var(--ease)}
.mainnav__list>li>a:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.mainnav__list>li>a.is-active{color:var(--c-primary)}
.mainnav__list>li>a.is-active::after{background:var(--c-primary)}
.header__cta{margin-left:8px}
.mega{
  position:absolute;top:100%;right:-160px;width:min(860px,88vw);
  background:#fff;border-top:2px solid var(--c-primary);border-radius:0 0 var(--r-card) var(--r-card);
  box-shadow:var(--sh-hover);padding:26px;
  display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega__title{font-size:13px;font-weight:700;color:var(--c-muted);letter-spacing:.06em;margin:0 0 12px}
.mega__list,.mega__news{list-style:none;margin:0;padding:0}
.mega__list li+li{margin-top:4px}
.mega__list a{display:flex;align-items:center;justify-content:space-between;gap:10px;height:44px;padding:0 12px;border-radius:var(--r-sm);font-size:14px;font-weight:600;color:var(--c-ink)}
.mega__list a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.mega__list .num{font-size:12px;font-weight:600;color:var(--c-muted);background:var(--c-bg);border-radius:var(--r-pill);padding:2px 10px}
.mega__news li+li{margin-top:10px;border-top:1px solid var(--c-line);padding-top:10px}
.mega__news a{display:block;font-size:14px;color:var(--c-ink);font-weight:600;line-height:1.6}
.mega__news a:hover{color:var(--c-primary)}
.mega__news span{display:block;font-size:12px;color:var(--c-muted);font-weight:400;margin-top:2px}
.mega__card{background:var(--c-bg);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column}
.mega__card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega__card>div{padding:16px}
.mega__card p{margin:0 0 10px;font-size:13px;color:var(--c-text)}
.mega__card strong{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px}
.nav-toggle{display:none;margin-left:auto;width:48px;height:48px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-sm);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--c-ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:#fff}
.mobile-drawer.is-open{display:block}
.mobile-drawer ul{list-style:none;margin:0;padding:8px 0}
.mobile-drawer a{display:block;padding:14px 20px;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.mobile-drawer a.is-active{color:var(--c-primary);border-left:4px solid var(--c-primary);padding-left:16px;background:var(--c-primary-soft)}
.mobile-drawer .drawer__cta{padding:16px 20px 22px}
@media (max-width:1023px){
  .mainnav{display:none}
  .header__cta{display:none}
  .nav-toggle{display:inline-flex}
}
.crumbs{padding:20px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--c-muted)}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--c-line);font-weight:400}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .is-current{color:var(--c-ink);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding:26px 0 0}
.article-head h1{font-size:34px;line-height:1.35;margin:14px 0 16px;max-width:22em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:14px;color:var(--c-muted);padding-bottom:24px;border-bottom:1px solid var(--c-line)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-cover{margin:26px 0 0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);background:#fff}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover}
.article-wrap{padding:44px 0 72px}
.article-body{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:36px;max-width:820px}
.article-body>*:first-child{margin-top:0}
.article-body h2{font-size:26px;margin:40px 0 16px;padding-left:16px;position:relative;border-radius:4px}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary)}
.article-body h3{font-size:20px;margin:30px 0 12px;font-weight:700}
.article-body p{font-size:16px;line-height:1.9;margin:0 0 18px;color:var(--c-text)}
.article-body ul,.article-body ol{line-height:1.9;margin:0 0 18px;padding-left:24px}
.article-body li{margin-bottom:8px}
.article-body blockquote{margin:22px 0;padding:18px 22px;background:var(--c-primary-soft);border-left:4px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-primary-dark)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:22px 0;width:100%;object-fit:cover}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin:-12px 0 22px}
.article-body a{font-weight:600;border-bottom:1px solid rgba(21,101,181,.3)}
.article-body a:hover{border-bottom-color:var(--c-primary)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--c-line)}
.article-body th{background:var(--c-bg);color:var(--c-ink);font-weight:700}
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:22px}
.side-card h3{font-size:17px;margin:0 0 14px;padding-left:12px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--c-primary)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li+li{border-top:1px solid var(--c-line);margin-top:12px;padding-top:12px}
.side-list a{display:block;font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.7}
.side-list a:hover{color:var(--c-primary)}
.side-list span{display:block;font-size:12px;color:var(--c-muted);font-weight:400;margin-top:4px}
.side-cta{background:var(--c-primary);border-radius:var(--r-card);padding:24px;color:#fff;box-shadow:var(--sh-card)}
.side-cta h3{color:#fff;font-size:18px;margin:0 0 8px;padding:0}
.side-cta h3::before{display:none}
.side-cta p{font-size:14px;color:rgba(255,255,255,.86);margin:0 0 16px;line-height:1.8}
.side-cta .btn{width:100%;background:#fff;color:var(--c-primary);border-color:#fff}
.side-cta .btn:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
@media (max-width:1023px){.side{position:static}}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 0}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);background:var(--c-bg);border:1px solid var(--c-line);font-size:13px;color:var(--c-text)}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.postnav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.postnav a{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card);transition:all var(--ease)}
.postnav a:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--c-primary)}
.postnav small{display:block;font-size:12px;color:var(--c-muted);margin-bottom:8px;letter-spacing:.06em}
.postnav strong{display:block;font-size:15px;color:var(--c-ink);line-height:1.7}
.postnav .arrow{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:var(--c-primary);font-weight:600}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:all var(--ease);height:100%;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D3E2F2}
.card__media{position:relative;overflow:hidden}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 320ms ease}
.card:hover .card__media img{transform:scale(1.04)}
.card__tag{position:absolute;left:14px;top:14px}
.card__body{padding:22px;display:flex;flex-direction:column;flex:1}
.card__body h3{font-size:17px;line-height:1.6;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body p{font-size:14px;color:var(--c-muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:14px}
.card__foot strong{color:var(--c-primary);font-weight:600}
.article-empty{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);padding:48px 32px;text-align:center}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--c-muted);margin:0 auto 20px;max-width:34em}
.cta-band{background:linear-gradient(180deg,#fff 0%,var(--c-primary-soft) 100%);border:1px solid #D6E6F7;border-radius:var(--r-card);padding:44px;box-shadow:var(--sh-card)}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{margin:0 0 22px;color:var(--c-text)}
.cta-band .btn+.btn{margin-left:12px}
@media (max-width:767px){.cta-band{padding:28px}.cta-band .btn+.btn{margin:12px 0 0}}
.site-footer{background:#0E2C4B;color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:0}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer__grid{gap:0}
.footer__brand .brand{color:#fff;margin-bottom:14px}
.footer__brand .brand__mark{background:#fff;color:var(--c-primary-dark)}
.footer__brand .brand__text{color:#fff}
.footer__brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:34em}
.footer__links{list-style:none;margin:0;padding:0}
.footer__links li+li{margin-top:10px}
.footer__links a{color:rgba(255,255,255,.78);font-size:14px}
.footer__links a:hover{color:#fff}
.footer__contact{list-style:none;margin:0;padding:0}
.footer__contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.72)}
.footer__contact svg{flex:none;margin-top:3px;color:#7FC0F5}
.footer__bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.55)}
@media (max-width:1023px){
  h1{font-size:32px}
  .article-head h1{font-size:28px}
  .section{padding:52px 0}
}
@media (max-width:767px){
  h1{font-size:28px}
  h2{font-size:22px}
  .article-head h1{font-size:24px}
  .article-body{padding:22px}
  .article-body h2{font-size:21px}
  .section{padding:44px 0}
  .postnav{grid-template-columns:1fr}
  .crumbs .is-current{max-width:200px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header__in{min-height:64px}
  .brand__text{font-size:17px}
  .article-meta{gap:12px;font-size:13px}
}

/* roulang page: category1 */
:root{
  --primary:#1565B5;
  --primary-dark:#0E4A85;
  --primary-soft:#E9F2FB;
  --accent:#F5722B;
  --accent-soft:#FFF0E7;
  --mint:#12A08C;
  --mint-soft:#E4F6F3;
  --ink:#15202C;
  --text:#4C5A69;
  --muted:#7C8B99;
  --line:#E2E9F0;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 2px 4px rgba(21,49,80,.04),0 14px 30px -14px rgba(21,49,80,.16);
  --shadow-hover:0 20px 40px -16px rgba(21,49,80,.24);
  --t:180ms ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--primary);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px}
p{margin:0 0 14px;max-width:42em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
input,select,textarea{width:100%}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1440px){:root{--container:1280px}}

/* ---------- Foundation 基础栅格兜底与覆盖 ---------- */
.grid-x{display:flex;flex-flow:row wrap}
.grid-x>.cell{min-width:0;width:100%}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.align-middle{align-items:center}
.cell.small-12{width:100%}
@media (min-width:640px){
  .medium-6{width:50%}
  .medium-12{width:100%}
}
@media (min-width:1024px){
  .large-2{width:16.6667%}
  .large-3{width:25%}
  .large-4{width:33.3333%}
  .large-5{width:41.6667%}
  .large-7{width:58.3333%}
  .large-8{width:66.6667%}
}
a.button,a.button:hover{background:none}
.button{background:none;border:0;padding:0;margin:0}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all var(--t);white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -12px rgba(21,101,181,.7)}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 30px -14px rgba(21,101,181,.6)}
.btn--ghost{background:#fff;color:var(--primary);border-color:#C9DDF1}
.btn--ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px)}
.btn--pill{border-radius:999px;padding:0 26px}
.btn--block{width:100%}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:600;line-height:1;
  background:var(--primary-soft);color:var(--primary-dark);
}
.tag--mint{background:var(--mint-soft);color:#0B7A6B}
.tag--accent{background:var(--accent-soft);color:#C2500F}
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section--soft{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%)}
.section__head{max-width:760px;margin-bottom:36px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.section__head--center p{margin-left:auto;margin-right:auto}
.section__eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--primary);margin-bottom:10px}
.section__title{font-size:30px;margin-bottom:12px}
.section__desc{color:var(--text);font-size:16px;margin:0}
.eyebrow-line{width:44px;height:4px;border-radius:2px;background:var(--primary);margin-bottom:16px}
.hint{font-size:14px;color:var(--muted)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3E3F3}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--primary-soft);border-bottom:1px solid #DCE9F6;font-size:13px;color:var(--primary-dark)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar__notice{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__notice i{color:var(--accent)}
.topbar__meta{display:flex;align-items:center;gap:18px;color:#3A6E9F}
.topbar__meta span{display:inline-flex;align-items:center;gap:6px}
@media (max-width:767px){.topbar__meta{display:none}}

/* ---------- 头部与导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;font-size:18px;font-weight:700;letter-spacing:0;
}
.brand__text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand:hover .brand__text{color:var(--primary)}
.mainnav{margin-left:auto}
.mainnav__list{display:flex;align-items:center;gap:2px}
.mainnav__list>li{position:relative}
.mainnav__list>li>a{
  display:inline-flex;align-items:center;height:44px;padding:0 13px;border-radius:10px;
  font-size:15px;font-weight:600;color:#33475B;position:relative;white-space:nowrap;
}
.mainnav__list>li>a:hover{color:var(--primary);background:#F3F8FD}
.mainnav__list>li>a.is-active{color:var(--primary)}
.mainnav__list>li>a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:0;height:3px;
  border-radius:3px;background:var(--primary);
}
.header__cta{flex:0 0 auto}
.mega{
  position:absolute;top:calc(100% + 10px);left:50%;width:min(980px,calc(100vw - 56px));
  transform:translate(-50%,8px);opacity:0;visibility:hidden;
  background:#fff;border-top:2px solid var(--primary);border-radius:0 0 var(--radius) var(--radius);
  box-shadow:var(--shadow-hover);padding:26px;
  display:grid;grid-template-columns:1.1fr 1.2fr 1.2fr;gap:26px;
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega__title{font-size:13px;font-weight:700;letter-spacing:1px;color:var(--muted);margin:0 0 12px}
.mega__list li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  height:42px;padding:0 12px;border-radius:10px;font-size:14px;font-weight:600;color:#33475B;
}
.mega__list li a:hover{background:var(--primary-soft);color:var(--primary-dark)}
.mega__list li a .num{font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:2px 9px}
.mega__news li a{display:block;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;font-weight:600;color:#33475B;line-height:1.6}
.mega__news li:last-child a{border-bottom:0}
.mega__news li a span{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}
.mega__card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.mega__card img{width:100%;aspect-ratio:16/9;border-radius:10px}
.mega__card p{font-size:14px;margin:12px 0 8px;color:var(--text)}
.mega__card strong{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px}
.nav-switch{position:absolute;opacity:0;pointer-events:none;width:0;height:0}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;transition:background var(--t)}
.nav-toggle:hover{border-color:var(--primary)}
.drawer-cta{display:none}
@media (max-width:1023px){
  .header__inner{height:64px;gap:12px}
  .header__cta{display:none}
  .nav-toggle{display:grid;margin-left:auto;order:3}
  .mainnav{
    order:4;position:fixed;top:100px;left:0;right:0;bottom:0;margin:0;
    background:#fff;border-top:1px solid var(--line);padding:14px 20px 32px;
    overflow-y:auto;transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:opacity var(--t),transform var(--t),visibility var(--t);
  }
  .nav-switch:checked~.mainnav{opacity:1;visibility:visible;transform:translateY(0)}
  .mainnav__list{display:block}
  .mainnav__list>li{position:static}
  .mainnav__list>li>a{display:block;height:auto;padding:14px 0;font-size:18px;font-weight:600;border-radius:0;border-bottom:1px solid var(--line)}
  .mainnav__list>li>a.is-active{color:var(--primary)}
  .mainnav__list>li>a.is-active::after{display:none}
  .mega{
    position:static;width:auto;transform:none;opacity:1;visibility:visible;
    box-shadow:none;border-top:0;border-radius:0;padding:8px 0 16px 14px;
    display:block;background:var(--bg);margin-top:6px;
  }
  .mega>div{margin-bottom:18px}
  .drawer-cta{display:block;margin-top:20px}
}
@media (max-width:767px){
  .mainnav{top:64px}
  .brand__text{font-size:17px}
}

/* ---------- 面包屑 ---------- */
.crumb{padding:18px 0 0;font-size:14px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#B8C6D4}
.crumb li[aria-current] span{color:var(--muted)}

/* ---------- 分类头图 ---------- */
.page-banner{position:relative;overflow:hidden;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(233,242,251,.97) 0%,rgba(233,242,251,.9) 46%,rgba(233,242,251,.62) 100%);
}
.page-banner__inner{position:relative;z-index:2;padding:56px 0 52px;max-width:780px}
.page-banner h1{font-size:40px;margin:14px 0 14px}
.page-banner p{font-size:17px;color:#3D4E60;margin:0;max-width:40em}
.page-banner__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
@media (max-width:767px){
  .page-banner__inner{padding:38px 0 34px}
  .page-banner h1{font-size:28px}
  .page-banner p{font-size:15px}
}

/* ---------- 粘性锚点 ---------- */
.layout{padding:56px 0 8px}
.anchors{position:sticky;top:98px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.anchors__title{font-size:13px;font-weight:700;letter-spacing:1px;color:var(--muted);margin:0 0 12px}
.anchors__list li a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:0 12px;border-radius:10px;
  font-size:14px;font-weight:600;color:#33475B;
}
.anchors__list li a i{color:#9FB6CC;font-size:12px;transition:color var(--t)}
.anchors__list li a:hover,.anchors__list li a:focus{background:var(--primary-soft);color:var(--primary-dark)}
.anchors__list li a:hover i{color:var(--primary)}
.anchors__foot{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.8}
@media (max-width:1023px){
  .anchors{position:static;margin-bottom:28px}
}

/* ---------- 交错图文块 ---------- */
.feature-row{margin-bottom:26px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:box-shadow var(--t),border-color var(--t),transform var(--t)}
.feature-row:hover{box-shadow:var(--shadow-hover);border-color:#D3E3F3;transform:translateY(-3px)}
.feature-row__media img{width:100%;aspect-ratio:16/9;border-radius:12px}
.feature-row__body h3{font-size:22px;margin-bottom:12px}
.feature-row__body p{margin-bottom:12px}
.feature-row__no{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;
  background:var(--primary-soft);color:var(--primary-dark);font-weight:700;font-size:18px;margin-bottom:14px;
}
.mini-list{display:grid;gap:8px;margin-top:6px}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text)}
.mini-list li svg{flex:0 0 auto;margin-top:6px;color:var(--mint)}
@media (min-width:1024px){
  .feature-row__media{padding-right:8px}
  .feature-row--reverse .feature-row__media{order:2;padding-right:12px;padding-left:24px}
  .feature-row--reverse .feature-row__body{order:1}
}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t)}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.stat__num{font-size:32px;font-weight:700;color:var(--primary);line-height:1.2}
.stat__num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.stat__label{font-size:15px;font-weight:600;color:var(--ink);margin:6px 0 4px}
.stat__desc{font-size:14px;color:var(--muted);margin:0}
@media (max-width:1023px){.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:519px){.stats{grid-template-columns:1fr}}

/* ---------- 服务清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px}
.check-item{display:flex;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}
.check-item__icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-size:16px;
}
.check-item h4{font-size:17px;margin-bottom:6px}
.check-item p{margin:0;font-size:15px}
@media (max-width:767px){.check-grid{grid-template-columns:1fr}}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--primary-soft);border:1px solid #D5E6F7;border-radius:var(--radius);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--primary)}
.cta-band__text h2{font-size:26px;margin-bottom:10px}
.cta-band__text p{margin:0;max-width:36em}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
@media (max-width:1023px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px}
  .cta-band__text h2{font-size:22px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 160px}
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--primary);
  border-radius:var(--radius);padding:18px 24px;box-shadow:var(--shadow);transition:box-shadow var(--t),border-color var(--t);
}
.faq-item:hover{box-shadow:var(--shadow-hover)}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--ink);min-height:32px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:999px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-size:16px;font-weight:700;line-height:1;
}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary::after{content:"–";background:var(--primary);color:#fff}
.faq-item p{margin:12px 0 0;font-size:15px;line-height:1.85;color:var(--text)}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0;margin-top:72px}
.footer__grid{padding-bottom:36px}
.footer__brand p{font-size:14px;margin:14px 0 0;max-width:34em;color:var(--text)}
.site-footer h4{font-size:15px;margin-bottom:16px}
.footer__links li a{display:inline-flex;align-items:center;min-height:34px;font-size:14px;color:var(--text)}
.footer__links li a:hover{color:var(--primary)}
.footer__contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text);margin-bottom:12px}
.footer__contact li svg{flex:0 0 auto;margin-top:5px;color:var(--primary)}
.footer__bottom{
  border-top:1px solid var(--line);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:var(--muted);
}
@media (max-width:767px){
  .site-footer{padding-top:40px;margin-top:52px}
  .footer__grid{padding-bottom:20px}
  .site-footer h4{margin-top:22px}
}

@media (max-width:639px){
  .section{padding:44px 0}
  .section--tight{padding:36px 0}
  .section__title{font-size:22px}
  .feature-row{padding:18px}
  .feature-row__body h3{font-size:19px}
  .cta-band__actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --primary:#1565B5;
  --primary-dark:#0E4A85;
  --primary-soft:#E9F2FB;
  --accent:#F5722B;
  --accent-soft:#FFF0E7;
  --mint:#12A08C;
  --mint-soft:#E4F6F3;
  --ink:#15202C;
  --text:#4C5A69;
  --muted:#7C8B99;
  --line:#E2E9F0;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --radius-lg:16px;
  --radius-sm:10px;
  --pill:999px;
  --shadow:0 2px 4px rgba(21,49,80,.04),0 14px 30px -14px rgba(21,49,80,.16);
  --shadow-hover:0 20px 40px -16px rgba(21,49,80,.24);
  --trans:180ms ease;
  --container:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--primary);text-decoration:none;transition:color var(--trans),background-color var(--trans),border-color var(--trans),box-shadow var(--trans),transform var(--trans)}
a:hover{color:var(--primary-dark)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px}
h1{font-size:40px;line-height:1.25}
h2{font-size:30px;line-height:1.35}
h3{font-size:22px;line-height:1.45}
h4{font-size:18px;line-height:1.5}
p{margin:0 0 16px;max-width:42em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1440px){:root{--container:1280px}}
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head p{margin-top:12px;color:var(--text)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--primary);background:var(--primary-soft);border-radius:var(--pill);padding:5px 14px;margin-bottom:14px;font-weight:600}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:all var(--trans);text-align:center;
}
.btn--primary{background:var(--primary);color:#fff}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn--ghost{background:#fff;color:var(--primary);border-color:#BFD8EF}
.btn--ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary);transform:translateY(-2px)}
.btn--pill{border-radius:var(--pill)}
.btn--block{width:100%}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;border-radius:var(--pill);padding:5px 13px;background:var(--primary-soft);color:var(--primary-dark)}
.tag--mint{background:var(--mint-soft);color:var(--mint)}
.tag--accent{background:var(--accent-soft);color:#C2540F}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--primary-soft);min-height:36px;display:flex;align-items:center;font-size:14px;color:var(--primary-dark)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:36px;padding-top:6px;padding-bottom:6px}
.topbar p{margin:0;max-width:none;line-height:1.6}
.topbar__meta{color:#3B6E9E;white-space:nowrap}
@media (max-width:767px){.topbar__meta{display:none}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--trans)}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(21,49,80,.4)}
.header__inner{display:flex;align-items:center;gap:18px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:.2px}
.brand:hover{color:var(--primary)}
.brand__mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  box-shadow:0 8px 18px -10px rgba(21,101,181,.9);
}
.brand__text{white-space:nowrap}
.mainnav{margin-left:auto}
.mainnav__list{display:flex;align-items:center;gap:4px}
.mainnav__list>li{position:relative}
.mainnav__list>li>a{
  display:inline-flex;align-items:center;height:44px;padding:0 12px;
  font-size:15px;color:var(--ink);font-weight:500;border-radius:8px;
  border-bottom:3px solid transparent;
}
.mainnav__list>li>a:hover{color:var(--primary);background:var(--primary-soft)}
.mainnav__list>li>a.is-active{color:var(--primary);font-weight:700;border-bottom-color:var(--primary)}
.nav-cta{margin-left:6px;flex:none}
.nav-toggle{
  display:none;width:46px;height:46px;margin-left:auto;padding:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:all var(--trans)}
.site-header.is-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.is-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.is-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mega 面板 */
.mega{
  position:absolute;top:calc(100% + 2px);right:0;width:min(900px,92vw);
  background:#fff;border-top:2px solid var(--primary);border-radius:0 0 var(--radius-lg) var(--radius-lg);
  box-shadow:var(--shadow-hover);padding:24px;display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity var(--trans),transform var(--trans),visibility var(--trans);
  z-index:70;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega__title{margin:0 0 12px;font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em}
.mega__list li+li{margin-top:4px}
.mega__list a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--ink);font-size:14.5px}
.mega__list a:hover{background:var(--primary-soft);color:var(--primary-dark)}
.mega__list .num{font-size:12px;color:var(--primary);background:var(--primary-soft);border-radius:var(--pill);padding:2px 9px;flex:none}
.mega__news li+li{margin-top:12px}
.mega__news a{display:block;color:var(--ink);font-size:14.5px;line-height:1.6}
.mega__news a:hover{color:var(--primary)}
.mega__news span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.mega__card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px;display:flex;flex-direction:column;gap:12px}
.mega__card img{width:100%;aspect-ratio:16/9;border-radius:var(--radius-sm)}
.mega__card p{margin:0;font-size:13.5px;color:var(--text);line-height:1.7}
.mega__card strong{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:#5E7E9C}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:#C3D2DF}
.breadcrumb .current{color:var(--muted)}

/* ---------- 页面头图 ---------- */
.page-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center right;
}
.page-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 46%,rgba(233,242,251,.72) 100%)}
.page-hero__inner{position:relative;padding:58px 24px 60px}
.page-hero h1{max-width:20em;margin:10px 0 14px}
.page-hero p{max-width:38em;font-size:17px;color:#41566B}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* ---------- 对比清单 ---------- */
.compare-wrap{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--line)}
.compare__head{display:grid;grid-template-columns:1.05fr 1fr 1fr;background:var(--primary-soft);font-size:13.5px;font-weight:700;color:var(--primary-dark);letter-spacing:.04em}
.compare__head>div{padding:15px 22px}
.compare__head>div:nth-child(3){color:#0C7566;background:var(--mint-soft)}
.compare__row{display:grid;grid-template-columns:1.05fr 1fr 1fr;border-top:1px solid var(--line)}
.compare__row>*{padding:20px 22px;font-size:15px;line-height:1.8}
.compare__label{color:var(--ink);font-weight:700;background:#FCFDFF}
.compare__val{color:var(--text)}
.compare__val--hl{background:#F6FCFA;color:#20463F}
.compare__key{display:none;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:4px}
.compare__val--hl .compare__key{color:var(--mint)}
.compare-note{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13.5px;color:var(--muted)}
.compare-note svg{flex:none;margin-top:4px}

/* ---------- 说明卡 ---------- */
.info-card{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);
  padding:24px;height:100%;display:flex;flex-direction:column;gap:14px;
  transition:box-shadow var(--trans),transform var(--trans);
}
.info-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.info-card img{width:100%;aspect-ratio:16/9;border-radius:var(--radius-sm)}
.info-card h3{font-size:19px}
.info-card p{font-size:15px;margin:0}
.info-card .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);margin-top:auto}
.info-card .link-more:hover{gap:10px}
@media (min-width:1024px){
  .offset-mid{margin-top:34px}
  .offset-top{margin-top:16px}
}

/* ---------- 决策提示 ---------- */
.decision{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.decision__media img{width:100%;aspect-ratio:4/3;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.decision__media figcaption{font-size:13px;color:var(--muted);margin-top:10px}
.decision__list{counter-reset:step;margin-top:8px}
.decision__item{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line)}
.decision__item:first-child{border-top:none}
.decision__num{
  counter-increment:step;flex:none;width:44px;height:44px;border-radius:12px;
  background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.decision__item h4{margin-bottom:4px}
.decision__item p{font-size:15px;margin:0}

/* ---------- FAQ ---------- */
.faq-item{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);border-left:3px solid var(--primary);padding:4px 24px;margin-bottom:16px}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 30px 20px 0;position:relative;
  font-size:17px;font-weight:700;color:var(--ink);transition:color var(--trans);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:2px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);transition:transform var(--trans);
}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--primary)}
.faq-item p{padding:0 0 22px;font-size:15px;line-height:1.85;color:#41566B}

/* ---------- CTA ---------- */
.cta-band{background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:var(--radius-lg);overflow:hidden}
.cta-band__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:38px 32px}
.cta-band h2{font-size:26px;margin-bottom:8px}
.cta-band p{margin:0;max-width:38em;color:#3C566E}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E3A66;color:#C7DAEC;padding:60px 0 26px;margin-top:0}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer__grid{margin-bottom:12px}
.footer__brand .brand{color:#fff;margin-bottom:14px}
.footer__brand .brand__mark{background:#fff;color:var(--primary-dark)}
.footer__brand p{font-size:14.5px;color:#A9C5DE;line-height:1.85;margin:0}
.footer__links li{margin-bottom:10px}
.footer__links a{color:#C7DAEC;font-size:14.5px}
.footer__links a:hover{color:#fff}
.footer__contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:14.5px;color:#C7DAEC;line-height:1.7}
.footer__contact svg{flex:none;margin-top:4px;color:#7FB0DC}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.14);margin-top:26px;padding-top:20px;
  font-size:13.5px;color:#96B6D2;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  h1{font-size:30px}
  h2{font-size:24px}
  .section{padding:52px 0}
  .page-hero h1{font-size:28px}
  .page-hero__inner{padding:40px 24px 44px}
  .nav-toggle{display:flex}
  .mainnav{display:none;margin-left:0}
  .nav-cta{display:none}
  .site-header.is-open .mainnav{
    display:block;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    padding:10px 24px 20px;max-height:72vh;overflow:auto;
  }
  .site-header.is-open .mainnav__list{flex-direction:column;align-items:stretch;gap:0}
  .mainnav__list>li>a{width:100%;height:auto;padding:15px 0;border-radius:0;border-bottom:1px solid var(--line);border-left:none;font-size:16px}
  .mainnav__list>li>a.is-active{border-bottom-color:var(--line);border-left:3px solid var(--primary);padding-left:12px}
  .mega{display:none}
}
@media (max-width:767px){
  .compare__head{display:none}
  .compare__row{grid-template-columns:1fr}
  .compare__label{background:var(--primary-soft);color:var(--primary-dark);font-size:14px;padding:12px 18px}
  .compare__row>*{padding:16px 18px}
  .compare__key{display:block}
  .compare__val--hl{border-top:1px dashed #CBE8E1}
  .cta-band__inner{padding:28px 22px}
  .cta-band h2{font-size:22px}
  .cta-band__actions .btn{width:100%}
  .faq-item summary{font-size:16px;padding-right:26px}
}

/* roulang page: category4 */
:root{
  --primary:#1565B5;
  --primary-dark:#0E4A85;
  --primary-soft:#E9F2FB;
  --accent:#F5722B;
  --accent-soft:#FFF0E7;
  --mint:#12A08C;
  --mint-soft:#E4F6F3;
  --ink:#15202C;
  --body:#4C5A69;
  --muted:#7C8B99;
  --line:#E2E9F0;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --radius-lg:16px;
  --radius-sm:10px;
  --pill:999px;
  --shadow:0 2px 4px rgba(21,49,80,.04),0 14px 30px -14px rgba(21,49,80,.16);
  --shadow-hover:0 20px 40px -16px rgba(21,49,80,.24);
  --ease:180ms ease;
  --section-y:72px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--body);background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:700;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:30px;line-height:1.32;}
h3{font-size:22px;}
h4{font-size:18px;}
p{margin:0 0 16px;max-width:42em;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.container{max-width:1280px;}}
.section{padding:var(--section-y) 0;}
.section--soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section__head p{margin:8px 0 0;color:var(--muted);font-size:15px;}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.06em;color:var(--primary);background:var(--primary-soft);border-radius:var(--pill);padding:4px 14px;margin-bottom:14px;}

/* ---------- top bar ---------- */
.topbar{background:var(--primary-soft);color:var(--primary-dark);font-size:14px;height:36px;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px;}
.topbar__note{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__meta{display:flex;align-items:center;gap:18px;white-space:nowrap;}
.topbar a{color:var(--primary-dark);}
.topbar a:hover{color:var(--primary);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(21,49,80,.4);}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;}
.brand:hover{color:var(--primary);}
.brand__mark{width:36px;height:36px;border-radius:11px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex:0 0 auto;}
.brand__text{font-size:19px;font-weight:700;letter-spacing:.01em;}
.mainnav{flex:1 1 auto;}
.mainnav__list{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.mainnav__list > li{position:relative;}
.mainnav__list > li > a{display:inline-flex;align-items:center;height:44px;padding:0 14px;color:var(--ink);font-size:15px;font-weight:500;border-bottom:3px solid transparent;transition:color var(--ease),border-color var(--ease);}
.mainnav__list > li > a:hover{color:var(--primary);border-bottom-color:var(--primary-soft);}
.mainnav__list > li > a.is-active{color:var(--primary);border-bottom-color:var(--primary);font-weight:700;}
.header__actions{display:flex;align-items:center;gap:12px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-sm);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:all var(--ease);}
.btn--primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn--primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.btn--ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn--ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn--pill{border-radius:var(--pill);}
.btn--accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn--accent:hover{background:#e0651f;border-color:#e0651f;color:#fff;}
.btn--block{width:100%;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;cursor:pointer;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- mega ---------- */
.mega{position:absolute;top:100%;right:0;width:min(920px,86vw);background:#fff;border-top:2px solid var(--primary);border-radius:0 0 var(--radius-lg) var(--radius-lg);box-shadow:var(--shadow-hover);padding:26px;display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:26px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity var(--ease),transform var(--ease),visibility var(--ease);}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega__title{font-size:13px;color:var(--muted);letter-spacing:.08em;margin:0 0 12px;}
.mega__list li a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--ink);font-size:15px;transition:background var(--ease),color var(--ease);}
.mega__list li a:hover{background:var(--primary-soft);color:var(--primary-dark);}
.mega__list .num{font-size:12px;color:var(--primary);background:var(--primary-soft);border-radius:var(--pill);padding:2px 10px;}
.mega__news li a{display:block;padding:10px 0;border-bottom:1px dashed var(--line);color:var(--ink);font-size:15px;}
.mega__news li:last-child a{border-bottom:0;}
.mega__news li a span{display:block;font-size:13px;color:var(--muted);margin-top:2px;}
.mega__news li a:hover{color:var(--primary);}
.mega__card{background:var(--bg);border-radius:var(--radius-lg);padding:16px;}
.mega__card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:12px;}
.mega__card p{font-size:14px;color:var(--body);margin:0 0 8px;}
.mega__card strong{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;}

/* ---------- mobile drawer ---------- */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .mainnav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;padding:8px 20px 20px;}
  .mainnav.is-open{display:block;}
  .mainnav__list{flex-direction:column;align-items:stretch;gap:0;}
  .mainnav__list > li > a{height:auto;padding:14px 0;border-bottom:1px solid var(--line);border-left:0;border-bottom-width:1px;padding-left:18px;}
  .mainnav__list > li > a.is-active{border-left:3px solid var(--primary);border-bottom-color:var(--line);padding-left:15px;}
  .mega{position:static;width:auto;opacity:1;visibility:visible;transform:none;box-shadow:none;border-top:0;border-left:2px solid var(--primary-soft);border-radius:0;grid-template-columns:1fr;padding:12px 0 12px 16px;display:none;}
  .has-mega.is-open .mega{display:grid;}
  .header__actions .btn{display:none;}
  .topbar__meta{display:none;}
}

/* ---------- hero ---------- */
.hero{position:relative;background:#fff;border-bottom:1px solid var(--line);overflow:hidden;}
.hero__bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center right;opacity:.16;}
.hero__inner{position:relative;padding:64px 0 60px;}
.hero h1{max-width:22em;}
.hero__lead{margin-top:18px;font-size:17px;color:var(--body);max-width:38em;}
.hero__facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--pill);padding:8px 16px;font-size:14px;color:var(--ink);box-shadow:var(--shadow);}
.chip--mint{background:var(--mint-soft);border-color:#C9EBE5;color:#0B7A6A;}
.chip--accent{background:var(--accent-soft);border-color:#FBD8C2;color:#B24E12;}

/* ---------- 场景提示条 ---------- */
.scene-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);}
.scene:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.scene h3{font-size:17px;margin-bottom:8px;}
.scene p{font-size:14px;margin:0;color:var(--body);}

/* ---------- form + side ---------- */
.consult-grid{align-items:flex-start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);}
.form-group{padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid var(--line);}
.form-group:last-of-type{border-bottom:0;margin-bottom:8px;padding-bottom:8px;}
.form-group__title{display:flex;align-items:center;gap:10px;font-size:17px;color:var(--ink);font-weight:700;margin-bottom:6px;}
.form-group__title .idx{width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:14px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;}
.form-group__hint{font-size:13px;color:var(--muted);margin:0 0 18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--ink);font-weight:600;margin-bottom:8px;}
.field label .req{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);transition:border-color var(--ease),box-shadow var(--ease);}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(21,101,181,.14);}
.field input:invalid:not(:placeholder-shown),.field select:invalid{border-color:#E4A08A;}
.field .err{display:none;color:#C2451A;font-size:13px;margin-top:6px;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#C2451A;box-shadow:0 0 0 3px rgba(245,114,43,.14);}
.field.has-error .err{display:block;}
.field--check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--body);}
.field--check input{width:18px;height:18px;flex:0 0 auto;margin-top:4px;}
.field--check label{margin:0;font-weight:400;color:var(--body);font-size:14px;line-height:1.75;}
.form-note{font-size:13px;color:var(--muted);margin:14px 0 18px;}
.form-ok{display:none;background:var(--mint-soft);border:1px solid #C9EBE5;color:#0B7A6A;border-radius:var(--radius-sm);padding:12px 16px;font-size:14px;margin-bottom:18px;}
.form-ok.is-visible{display:block;}

.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);margin-bottom:24px;}
.side-card h3{font-size:18px;margin-bottom:14px;}
.side-card--promise{background:var(--primary-soft);border-color:#CFE2F4;}
.promise-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed #C7DCF0;font-size:15px;color:var(--primary-dark);}
.promise-list li:last-child{border-bottom:0;padding-bottom:0;}
.promise-list strong{display:block;color:var(--ink);font-size:16px;}
.promise-list span{font-size:14px;color:var(--body);}
.faq-item{background:#fff;border-radius:var(--radius-sm);border-left:3px solid var(--primary);padding:14px 16px;margin-bottom:10px;box-shadow:0 1px 2px rgba(21,49,80,.05);}
.faq-item summary{cursor:pointer;font-weight:600;color:var(--ink);font-size:15px;list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item[open] summary{color:var(--primary);}
.faq-item p{margin:10px 0 0;font-size:15px;line-height:1.85;color:var(--body);max-width:none;}
.side-card .mini{display:flex;gap:14px;align-items:flex-start;font-size:14px;padding:10px 0;border-bottom:1px solid var(--line);}
.side-card .mini:last-child{border-bottom:0;padding-bottom:0;}
.side-card .mini img{width:84px;height:56px;object-fit:cover;border-radius:var(--radius-sm);flex:0 0 auto;}
.side-card .mini strong{display:block;color:var(--ink);font-size:14px;}

/* ---------- steps / trust ---------- */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.trust__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);}
.trust__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.trust__item .ico{width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.trust__item h3{font-size:17px;margin-bottom:8px;}
.trust__item p{font-size:15px;margin:0;}

.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.split img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow);}
.checklist li{display:flex;gap:10px;padding:8px 0;font-size:15px;color:var(--body);}
.checklist svg{flex:0 0 auto;margin-top:5px;color:var(--primary);}

/* ---------- CTA ---------- */
.cta-band{background:var(--primary-dark);color:#fff;border-radius:var(--radius-lg);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{color:rgba(255,255,255,.82);margin:10px 0 0;font-size:15px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0;margin-top:8px;}
.footer__grid{padding-bottom:36px;}
.footer__brand .brand{margin-bottom:16px;}
.footer__brand p{font-size:14px;color:var(--body);max-width:32em;}
.site-footer h4{font-size:16px;margin-bottom:16px;}
.footer__links li{margin-bottom:10px;}
.footer__links a{color:var(--body);font-size:15px;}
.footer__links a:hover{color:var(--primary);}
.footer__contact li{display:flex;gap:10px;align-items:flex-start;color:var(--body);font-size:15px;margin-bottom:12px;}
.footer__contact svg{flex:0 0 auto;color:var(--primary);margin-top:5px;}
.footer__bottom{border-top:1px solid var(--line);padding:18px 0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  h1{font-size:32px;}
  h2{font-size:24px;}
  :root{--section-y:44px;}
  .hero__inner{padding:44px 0;}
  .scene-strip{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:24px;}
  .trust{grid-template-columns:1fr 1fr;}
  .cta-band{padding:32px;}
}
@media (max-width:639px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:19px;}
  .scene-strip{grid-template-columns:1fr;}
  .trust{grid-template-columns:1fr;}
  .form-card{padding:20px;}
  .header__inner{min-height:64px;}
  .brand__text{font-size:17px;}
  .cta-band{border-radius:var(--radius-sm);padding:26px;}
}

/* roulang page: category3 */
:root{
  --brand:#1565B5;
  --brand-dark:#0E4A85;
  --brand-soft:#E9F2FB;
  --promo:#F5722B;
  --promo-soft:#FFF0E7;
  --mint:#12A08C;
  --mint-soft:#E4F6F3;
  --ink:#15202C;
  --text:#4C5A69;
  --muted:#7C8B99;
  --line:#E2E9F0;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --radius:16px;
  --radius-sm:10px;
  --pill:999px;
  --shadow:0 2px 4px rgba(21,49,80,.04),0 14px 30px -14px rgba(21,49,80,.16);
  --shadow-hover:0 20px 40px -16px rgba(21,49,80,.24);
  --t:180ms ease;
  --container:1200px;
}
@media (min-width:1440px){:root{--container:1280px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t)}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 18px;max-width:42em}
h1,h2,h3,h4{color:var(--ink);font-weight:700;margin:0 0 16px;line-height:1.3;letter-spacing:.2px}
h1{font-size:clamp(28px,3.6vw,40px);line-height:1.25}
h2{font-size:clamp(22px,2.4vw,30px)}
h3{font-size:22px}
h4{font-size:18px}
button,input,select,textarea{font-family:inherit;font-size:16px}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(21,101,181,.35);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding:72px 0}
.section--tight{padding:52px 0}
@media (max-width:640px){
  .section{padding:44px 0}
  .section--tight{padding:36px 0}
}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-soft);border-bottom:1px solid var(--line);font-size:14px;color:var(--brand-dark)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px}
.topbar__notice{display:flex;align-items:center;gap:8px}
.topbar__dot{width:8px;height:8px;border-radius:50%;background:var(--mint);flex:none}
.topbar__meta{display:flex;align-items:center;gap:18px;color:var(--brand)}
.topbar__meta span{display:inline-flex;align-items:center;gap:6px}
@media (max-width:767px){.topbar__meta{display:none}.topbar__notice{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(21,49,80,.35)}
.header__inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:var(--brand);color:#fff;font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;letter-spacing:0;
  box-shadow:0 6px 16px -8px rgba(21,101,181,.8);
}
.brand__text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.4px}
.brand:hover .brand__text{color:var(--brand)}

.mainnav{flex:1 1 auto;min-width:0}
.mainnav__list{display:flex;align-items:center;gap:2px}
.mainnav__list > li{position:relative}
.mainnav__list > li > a{
  display:inline-flex;align-items:center;height:44px;padding:0 13px;
  font-size:15px;font-weight:500;color:var(--text);border-radius:var(--radius-sm);
  position:relative;white-space:nowrap;
}
.mainnav__list > li > a:hover{color:var(--brand);background:var(--brand-soft)}
.mainnav__list > li > a.is-active{color:var(--brand);font-weight:700}
.mainnav__list > li > a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:3px;
  border-radius:2px;background:var(--brand);
}
.header__cta{flex:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;transition:var(--t);white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 10px 22px -14px rgba(21,101,181,.95)}
.btn--primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px)}
.btn--ghost{background:#fff;color:var(--brand);border-color:#C9DDF0}
.btn--ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-2px)}
.btn--pill{border-radius:var(--pill)}
.btn--block{width:100%}
.btn--light{background:#fff;color:var(--brand-dark);border-color:#fff}
.btn--light:hover{background:#F2F8FF;color:var(--brand-dark);transform:translateY(-2px)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}

/* Mega 面板 */
.has-mega > a::after{
  content:"";width:7px;height:7px;margin-left:7px;border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);
}
.mega{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-top:2px solid var(--brand);
  box-shadow:var(--shadow-hover);
  padding:26px 28px 28px;
  display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:30px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega__title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:1.4px;margin:0 0 12px}
.mega__list li + li{margin-top:2px}
.mega__list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:40px;padding:0 12px;border-radius:var(--radius-sm);font-size:15px;color:var(--text);
}
.mega__list a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.mega__list .num{font-size:13px;color:var(--muted);background:var(--bg);border-radius:var(--pill);padding:2px 10px}
.mega__news li + li{margin-top:10px}
.mega__news a{display:block;font-size:15px;color:var(--ink);line-height:1.6}
.mega__news a span{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.mega__news a:hover{color:var(--brand)}
.mega__card{
  display:flex;gap:14px;align-items:center;background:var(--brand-soft);
  border-radius:var(--radius);padding:16px;border:1px solid #D3E4F5;
}
.mega__card img{width:92px;height:64px;border-radius:var(--radius-sm);flex:none}
.mega__card p{font-size:14px;color:var(--text);margin:0 0 8px;max-width:none;line-height:1.6}
.mega__card strong{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);font-weight:700}

/* 移动端导航 */
.nav-toggle{display:none;width:46px;height:46px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;flex:none}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:var(--t)}
.nav-toggle:hover{border-color:var(--brand)}
.drawer{display:none;position:fixed;inset:0;background:#fff;z-index:70;padding:84px 0 32px;overflow-y:auto}
.drawer.is-open{display:block}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer__close{width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--line);font-size:20px;color:var(--text);display:flex;align-items:center;justify-content:center}
.drawer__list a{display:flex;align-items:center;min-height:50px;font-size:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer__list a.is-active{color:var(--brand)}
.drawer__sub{padding:6px 0 10px}
.drawer__sub a{display:flex;align-items:center;min-height:42px;font-size:15px;color:var(--text);padding-left:16px}
.drawer__sub a:hover{color:var(--brand)}
.drawer .btn{margin-top:22px}
@media (max-width:1023px){
  .mainnav,.header__cta{display:none}
  .nav-toggle{display:inline-flex}
  .header__inner{justify-content:space-between}
}

/* ---------- Hero ---------- */
.hero-page{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-page__bg{position:absolute;inset:0;background:#EAF2FB url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.hero-page__mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.88) 46%,rgba(233,242,251,.74) 100%)}
.hero-page__grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(21,101,181,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(21,101,181,.06) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero-page__inner{position:relative;padding:64px 0 60px;max-width:780px}
@media (max-width:640px){.hero-page__inner{padding:40px 0 38px}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{color:#C3CEDB}
.crumbs .current{color:var(--brand);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--pill);background:var(--mint-soft);color:#0B7A6A;
  font-size:13px;font-weight:600;letter-spacing:.6px;margin-bottom:16px;
}
.hero-page h1{margin-bottom:14px}
.hero-page__lead{font-size:17px;color:var(--text);max-width:38em}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);
  font-size:14px;color:var(--text);box-shadow:0 2px 4px rgba(21,49,80,.04);
}
.hero-tags svg{color:var(--mint);flex:none}

/* ---------- 通用板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head__text{max-width:44em}
.section-head h2{margin-bottom:10px}
.section-head p{margin:0;font-size:16px;color:var(--text)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.link-more:hover{gap:10px}

/* ---------- 流程步骤条 ---------- */
.flowtrack{margin:0 0 40px}
.flowtrack__list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flowtrack__item{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}
.flowtrack__item:not(:last-child)::before{
  content:"";position:absolute;top:23px;left:calc(50% + 30px);right:calc(-50% + 30px);
  height:2px;background:linear-gradient(90deg,rgba(21,101,181,.55),rgba(21,101,181,.14));border-radius:2px;
}
.flowtrack__num{
  width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  font-size:16px;font-weight:700;position:relative;z-index:1;
}
.flowtrack__item.is-done .flowtrack__num{background:var(--brand);color:#fff}
.flowtrack__label{font-size:15px;font-weight:600;color:var(--ink)}
.flowtrack__note{font-size:13px;color:var(--muted);line-height:1.7;max-width:16em}
@media (max-width:767px){
  .flowtrack__list{grid-template-columns:1fr;gap:0}
  .flowtrack__item{flex-direction:row;text-align:left;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
  .flowtrack__item:last-child{border-bottom:0}
  .flowtrack__item:not(:last-child)::before{display:none}
  .flowtrack__num{width:40px;height:40px;font-size:14px;flex:none}
  .flowtrack__note{max-width:none}
}

.flowcards .cell{margin-bottom:24px;display:flex}
.flowcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:var(--t);width:100%;
  display:flex;flex-direction:column;
}
.flowcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CFE1F3}
.flowcard__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.flowcard__step{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);font-size:13px;font-weight:600}
.tag--mint{background:var(--mint-soft);color:#0B7A6A}
.tag--blue{background:var(--brand-soft);color:var(--brand-dark)}
.tag--promo{background:var(--promo-soft);color:#C24E11}
.flowcard h3{font-size:19px;margin-bottom:10px}
.flowcard p{font-size:15px;color:var(--text);margin-bottom:14px}
.flowcard ul{margin-top:auto}
.flowcard li{position:relative;padding-left:18px;font-size:14px;color:var(--text);line-height:1.9}
.flowcard li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:6px;border-radius:50%;background:var(--mint)}

/* ---------- 通栏 CTA 条 ---------- */
.cta-strip{background:var(--brand-soft);border-top:1px solid #D6E6F6;border-bottom:1px solid #D6E6F6}
.cta-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:30px 0;flex-wrap:wrap}
.cta-strip__text{max-width:46em}
.cta-strip__text h2{font-size:22px;margin-bottom:8px}
.cta-strip__text p{margin:0;font-size:15px}
.cta-strip__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 三列短卡片（不等高） ---------- */
.shortwrap .cell{margin-bottom:24px;display:flex}
.shortcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:var(--t);width:100%;
  display:flex;flex-direction:column;
}
.shortcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.shortcard__icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);margin-bottom:16px;flex:none;
}
.shortcard h3{font-size:19px;margin-bottom:10px}
.shortcard p{font-size:15px;margin:0}
.shortcard ul{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
.shortcard li{display:flex;gap:10px;font-size:14px;color:var(--text);line-height:1.8}
.shortcard li + li{margin-top:8px}
.shortcard li strong{color:var(--ink);font-weight:600;flex:none;min-width:64px}
.shortcard--tall{padding-bottom:32px}
.shortcard--tall .shortcard__body{font-size:15px}
.shortcard--mid{padding-bottom:28px}
.shortcard--short{background:linear-gradient(180deg,#FFFFFF 0%,#FAFCFF 100%)}

/* ---------- 时间节点说明 ---------- */
.timeline-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.timeline-box h3{font-size:20px;margin-bottom:6px}
.timeline-box .sub{font-size:14px;color:var(--muted);margin-bottom:18px}
.tl-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.tl-list li:last-child{border-bottom:0;padding-bottom:0}
.tl-time{
  flex:none;width:96px;font-size:14px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--radius-sm);height:34px;
  display:flex;align-items:center;justify-content:center;
}
.tl-body strong{display:block;color:var(--ink);font-size:16px;font-weight:600;margin-bottom:4px}
.tl-body span{font-size:14px;color:var(--text);line-height:1.8}
@media (max-width:520px){
  .tl-list li{flex-direction:column;gap:10px}
  .tl-time{width:auto;align-self:flex-start;padding:0 14px}
}
.side-notes{background:var(--mint-soft);border-radius:var(--radius);padding:26px;border:1px solid #CBEBE5}
.side-notes h3{font-size:18px;margin-bottom:14px}
.side-notes li{position:relative;padding-left:18px;font-size:15px;color:var(--text);line-height:1.9}
.side-notes li + li{margin-top:10px}
.side-notes li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:6px;border-radius:50%;background:var(--mint)}
.side-notes .btn{margin-top:20px}

/* ---------- FAQ ---------- */
.faq details{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:var(--radius-sm);padding:0 22px;margin-bottom:14px;transition:var(--t);
  box-shadow:0 2px 4px rgba(21,49,80,.03);
}
.faq details[open]{box-shadow:var(--shadow);border-color:#CFE1F3;border-left-color:var(--brand)}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 34px 18px 0;position:relative;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:6px;top:26px;width:9px;height:9px;
  border-right:1.8px solid var(--muted);border-bottom:1.8px solid var(--muted);
  transform:rotate(45deg);transition:transform var(--t);
}
.faq details[open] summary{color:var(--brand)}
.faq details[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq .faq__answer{padding:0 0 20px;font-size:15px;color:var(--text);line-height:1.85;max-width:52em}

/* ---------- 底部 CTA ---------- */
.final-cta{
  background:var(--brand);border-radius:var(--radius);padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 24px 50px -26px rgba(14,74,133,.75);
}
.final-cta h2{color:#fff;font-size:24px;margin-bottom:8px}
.final-cta p{color:rgba(255,255,255,.86);margin:0;font-size:15px;max-width:40em}
.final-cta__actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:640px){.final-cta{padding:28px}}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:72px;padding:56px 0 0}
.footer__grid{padding-bottom:32px}
.footer__brand .brand{margin-bottom:16px}
.footer__brand p{font-size:15px;color:var(--text);max-width:34em}
.site-footer h4{font-size:16px;margin-bottom:16px}
.footer__links li + li{margin-top:10px}
.footer__links a{font-size:15px;color:var(--text)}
.footer__links a:hover{color:var(--brand)}
.footer__contact li{display:flex;gap:10px;font-size:15px;color:var(--text);line-height:1.7}
.footer__contact li + li{margin-top:12px}
.footer__contact svg{color:var(--brand);flex:none;margin-top:4px}
.footer__bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:14px;color:var(--muted);
}
@media (max-width:640px){
  .footer__grid .cell{margin-bottom:26px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}