/* roulang page: index */
:root{
  --brand:#1E4FD8;
  --brand-deep:#12307A;
  --brand-soft:#E8EEFE;
  --cyan:#0FC9A6;
  --orange:#FF7A2F;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --line:#E3E9F5;
  --ink:#1B2433;
  --ink-soft:#5A6B85;
  --radius-s:12px;
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 8px 24px rgba(24,50,110,.08);
  --shadow-hover:0 14px 34px rgba(24,50,110,.14);
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body.page-body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 24px;}}

.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-tight{padding:48px 0;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;line-height:18px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);
  border-radius:999px;padding:6px 14px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;flex:none;}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{font-size:22px;line-height:30px;font-weight:700;letter-spacing:-.01em;margin-top:12px;}
@media (min-width:1024px){.section-title{font-size:28px;line-height:36px;}}
.section-desc{margin-top:10px;font-size:15px;color:var(--ink-soft);max-width:640px;}
.text-link{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;}
.text-link:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:transform .2s ease,filter .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,122,47,.24);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);}
.btn-blue{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(30,79,216,.22);}
.btn-blue:hover{filter:brightness(.94);transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
@media (max-width:520px){
  .btn{width:100%;}
  .hero-cta .btn,.cta-actions .btn{width:100%;}
}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.7);
  box-shadow:0 4px 20px rgba(24,50,110,.06);
  transition:background-color .24s ease,height .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;transition:height .24s ease;}
.site-header.is-scrolled{background:rgba(255,255,255,.95);border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(24,50,110,.10);}
.site-header.is-scrolled .header-inner{height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;flex:none;
}
.brand-text{font-size:17px;font-weight:700;line-height:1.2;letter-spacing:-.01em;color:var(--ink);}
@media (max-width:520px){.brand-text{font-size:15px;}}
.main-nav{display:none;align-items:center;gap:6px;}
@media (min-width:1024px){.main-nav{display:flex;}}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-soft);transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(232,238,254,.75);}
.nav-link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  color:var(--ink-soft);border:1px solid var(--line);background:#fff;transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}
.header-cta{display:none;}
@media (min-width:1024px){.header-cta{display:inline-flex;}}
.menu-btn{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink);
}
.menu-btn:hover{border-color:var(--brand);color:var(--brand);}
@media (min-width:1024px){.menu-btn{display:none;}}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:60;display:none;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  padding:24px 20px 32px;
  flex-direction:column;gap:8px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--ink);
}
.drawer-group-title{font-size:12px;font-weight:600;color:var(--ink-soft);letter-spacing:.08em;margin:14px 0 6px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;background:#fff;border:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink);margin-bottom:10px;
}
.drawer-link:hover{border-color:var(--brand);color:var(--brand);}
.drawer-link span.sub{font-size:13px;font-weight:400;color:var(--ink-soft);}
.drawer-foot{margin-top:auto;padding-top:20px;}

/* ---------- Hero ---------- */
.hero{padding:118px 0 56px;position:relative;overflow:hidden;}
@media (min-width:1024px){.hero{padding:150px 0 96px;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:6fr 6fr;gap:48px;}}
.hero-title{
  font-size:30px;line-height:38px;font-weight:700;letter-spacing:-.02em;margin-top:18px;
}
@media (min-width:768px){.hero-title{font-size:34px;line-height:42px;}}
@media (min-width:1024px){.hero-title{font-size:40px;line-height:48px;}}
.hero-sub{margin-top:16px;font-size:16px;line-height:28px;color:var(--ink-soft);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust-bar{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.trust-bar li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:20px;color:var(--ink-soft);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;
}
.trust-bar svg{flex:none;color:var(--cyan);}
.hero-media{position:relative;}
.hero-img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.float-card{
  position:absolute;right:16px;bottom:-18px;width:190px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 12px 30px rgba(24,50,110,.16);padding:16px 18px;
}
.float-label{font-size:12px;color:var(--ink-soft);line-height:18px;}
.float-value{font-size:26px;font-weight:700;line-height:32px;color:var(--brand);margin-top:2px;}
.float-value span{font-size:13px;font-weight:500;color:var(--ink-soft);}
.float-note{font-size:12px;color:var(--ink-soft);line-height:18px;margin-top:4px;}
@media (max-width:520px){
  .float-card{position:static;width:100%;margin-top:16px;}
}

/* ---------- Cards grid ---------- */
.cards-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.cards-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.cards-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E7EDF9;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-badge{
  position:absolute;top:12px;left:12px;
  font-size:12px;line-height:18px;font-weight:600;color:#fff;background:var(--brand);
  border-radius:999px;padding:3px 12px;
}
.card-badge.cyan{background:var(--cyan);}
.card-badge.deep{background:var(--brand-deep);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-title{font-size:18px;line-height:26px;font-weight:600;}
.card:hover .card-title{color:var(--brand);}
.card-text{font-size:14px;line-height:22px;color:var(--ink-soft);}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-metric{font-size:17px;font-weight:700;line-height:24px;color:var(--brand);}
.card-metric span{font-size:12px;font-weight:500;color:var(--ink-soft);}

/* ---------- Reviews ---------- */
.reviews-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;}
.carousel-nav{display:flex;gap:10px;}
.cbtn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--ink-soft);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.cbtn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}
.reviews-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;-ms-overflow-style:none;
}
.reviews-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 88%;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:12px;
  transition:box-shadow .24s ease,border-color .24s ease;
}
@media (min-width:768px){.review-card{flex:0 0 46%;}}
.review-card:hover{box-shadow:var(--shadow-hover);border-color:var(--brand-soft);}
.review-head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:999px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:17px;
}
.review-name{font-size:15px;font-weight:600;line-height:22px;}
.review-role{font-size:12px;line-height:18px;color:var(--ink-soft);}
.stars{display:flex;gap:3px;color:var(--cyan);font-size:14px;letter-spacing:1px;}
.review-text{font-size:14px;line-height:24px;color:var(--ink-soft);}
.review-foot{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;padding-top:8px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;line-height:18px;font-weight:500;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:3px 10px;
}
.tag.cyan{color:#0A8E77;background:rgba(15,201,166,.14);}
.dots{display:flex;justify-content:center;gap:8px;margin-top:20px;}
.dot{
  width:8px;height:8px;border-radius:999px;background:#C9D5EB;transition:width .24s ease,background-color .24s ease;
}
.dot.is-active{width:24px;background:var(--brand);}

/* ---------- Assurance ---------- */
.assure{background:var(--brand-soft);border-radius:var(--radius-lg);padding:32px 24px;}
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media (min-width:768px){.assure-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.assure-item{display:flex;flex-direction:column;gap:10px;}
.assure-icon{
  width:44px;height:44px;border-radius:12px;background:#fff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;border:1px solid var(--line);
}
.assure-title{font-size:15px;font-weight:600;line-height:22px;}
.assure-text{font-size:13px;line-height:21px;color:var(--ink-soft);}

/* ---------- Latest / CMS ---------- */
.latest-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.latest-grid{grid-template-columns:6fr 5fr;gap:28px;}}
.latest-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.latest-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft);}
.latest-cover{aspect-ratio:16/10;overflow:hidden;background:#E7EDF9;}
.latest-cover img{width:100%;height:100%;object-fit:cover;}
.latest-body{padding:22px;}
.latest-title{font-size:20px;line-height:30px;font-weight:700;margin-top:10px;}
.latest-card:hover .latest-title{color:var(--brand);}
.latest-summary{margin-top:10px;font-size:14px;line-height:24px;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.latest-side{display:flex;flex-direction:column;gap:14px;}
.latest-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.latest-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft);}
.latest-item-title{font-size:16px;line-height:24px;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.latest-item:hover .latest-item-title{color:var(--brand);}
.latest-item-text{margin-top:8px;font-size:13px;line-height:22px;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.latest-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;}
.meta-date{font-size:13px;line-height:20px;color:var(--ink-soft);}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:44px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-icon{
  width:56px;height:56px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.empty-state p{font-size:15px;color:var(--ink-soft);}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:var(--brand-soft);}
.faq-item.is-open{border-color:var(--brand-soft);box-shadow:var(--shadow);}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 20px;text-align:left;font-size:16px;font-weight:600;line-height:26px;color:var(--ink);
}
.faq-arrow{flex:none;color:var(--brand);transition:transform .3s ease;}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 20px 16px;font-size:15px;line-height:26px;color:var(--ink-soft);}

/* ---------- CTA band ---------- */
.cta-band{background:var(--brand-deep);border-radius:var(--radius-lg);padding:40px 28px;}
@media (min-width:1024px){.cta-band{padding:56px 48px;}}
.cta-inner{display:flex;flex-direction:column;gap:24px;align-items:flex-start;}
@media (min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;}}
.cta-title{font-size:22px;line-height:32px;font-weight:700;color:#fff;}
@media (min-width:1024px){.cta-title{font-size:28px;line-height:38px;}}
.cta-text{margin-top:10px;font-size:15px;line-height:26px;color:rgba(255,255,255,.78);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none;}

/* ---------- Footer ---------- */
.site-footer{background:#0E2560;color:rgba(255,255,255,.78);margin-top:0;}
.footer-top{padding:56px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.footer-brand .brand-mark{background:#fff;color:var(--brand-deep);}
.footer-brand-text{font-size:17px;font-weight:700;color:#fff;}
.footer-desc{margin-top:14px;font-size:14px;line-height:24px;color:rgba(255,255,255,.7);max-width:360px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;line-height:22px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{font-size:14px;line-height:24px;color:rgba(255,255,255,.72);margin-bottom:8px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:20px 0;display:flex;flex-direction:column;gap:10px;}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.footer-bottom p{font-size:13px;line-height:21px;color:rgba(255,255,255,.6);}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: article */
:root{
  --brand:#1E4FD8;
  --brand-deep:#12307A;
  --brand-soft:#E8EEFE;
  --accent:#0FC9A6;
  --warm:#FF7A2F;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --line:#E3E9F5;
  --text:#1B2433;
  --muted:#5A6B85;
  --radius:16px;
  --radius-lg:20px;
  --shadow-1:0 8px 24px rgba(24,50,110,.08);
  --shadow-2:0 14px 34px rgba(24,50,110,.14);
  --sec:96px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:1px solid var(--line);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.tnum{font-variant-numeric:tabular-nums;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:768px){.container{padding:0 20px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.65);
  box-shadow:0 4px 20px rgba(24,50,110,.06);
  transition:background .24s ease,box-shadow .24s ease,height .24s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 22px rgba(24,50,110,.10);
}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .24s ease;}
.site-header.is-scrolled .header-inner{height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.2px;white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 6px 16px rgba(30,79,216,.28);
}
.brand-text{color:var(--brand-deep);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:15px;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--brand);box-shadow:var(--shadow-1);transform:translateY(-1px);}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  align-items:center;justify-content:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .2s ease;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-blue{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(30,79,216,.22);}
.btn-blue:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-blue:active{transform:translateY(1px);}
.btn-warm{background:var(--warm);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.26);}
.btn-warm:hover{filter:brightness(1.06);transform:translateY(-1px);}
.btn-warm:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-btn{display:flex;}
}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(244,247,252,.92);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  padding:24px 20px 32px;
  display:none;flex-direction:column;gap:8px;
}
.mobile-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-deep);display:flex;align-items:center;justify-content:center;
}
.drawer-link{
  display:block;padding:16px 18px;border-radius:14px;background:#fff;
  border:1px solid var(--line);font-size:16px;color:var(--text);
  box-shadow:var(--shadow-1);
}
.drawer-link:hover{color:var(--brand);border-color:var(--brand-soft);}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.drawer-cta .btn{width:100%;}

/* ---------- 文章页 ---------- */
.page-wrap{padding-top:110px;padding-bottom:96px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--brand);}
.breadcrumb a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#A9B7CE;}
.breadcrumb .current{color:var(--muted);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:860px;margin:0 auto 26px;}
.article-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;line-height:18px;padding:6px 14px;border-radius:999px;font-weight:600;
}
.article-head h1{
  font-size:40px;line-height:48px;margin:16px 0 0;color:var(--brand-deep);
  letter-spacing:-.2px;word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#B9C6DB;}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:5px 12px;font-size:12px;color:var(--muted);
}
.article-shell{
  max-width:800px;margin:0 auto;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
  padding:44px 48px;
}
.article-body{font-size:16px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:28px;line-height:36px;color:var(--brand-deep);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:20px;line-height:28px;color:var(--brand-deep);margin:28px 0 12px;}
.article-body h4{font-size:17px;line-height:26px;margin:22px 0 10px;color:var(--text);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body li{margin-bottom:8px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(30,79,216,.35);}
.article-body a:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep);}
.article-body img{border-radius:12px;margin:24px auto;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--muted);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px;}
.article-body code{
  background:var(--brand-soft);color:var(--brand-deep);
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-empty{
  text-align:center;padding:56px 20px;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-lg);
}
.article-empty .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.article-empty h2{font-size:22px;line-height:30px;margin:0 0 10px;color:var(--brand-deep);}
.article-empty p{color:var(--muted);margin:0 0 20px;}

/* ---------- 板块 ---------- */
.section{margin-top:var(--sec);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:28px;line-height:36px;margin:0;color:var(--brand-deep);}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:14px;}
.text-link{color:var(--brand);font-size:14px;font-weight:600;}
.text-link:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px;}

.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-soft);}
.rec-cover{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.rec-cover img{width:100%;height:100%;object-fit:cover;border:none;}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;line-height:26px;margin:0;color:var(--text);}
.rec-card:hover .rec-body h3{color:var(--brand);}
.rec-body p{margin:0;font-size:13px;line-height:22px;color:var(--muted);}
.rec-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:12px;color:var(--muted);}
.chip{display:inline-block;background:var(--brand-soft);color:var(--brand-deep);border-radius:999px;padding:4px 10px;font-size:12px;line-height:18px;}

.back-row{display:flex;justify-content:center;margin-top:36px;}

.cta-band{
  background:var(--brand-deep);border-radius:var(--radius-lg);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:26px;line-height:34px;margin:0 0 8px;}
.cta-band p{color:rgba(255,255,255,.78);margin:0;font-size:14px;}
@media (max-width:1023px){
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .article-shell{padding:32px 26px;}
}
@media (max-width:768px){
  :root{--sec:64px;}
  .page-wrap{padding-top:96px;padding-bottom:64px;}
  .article-head h1{font-size:30px;line-height:38px;}
  .article-body h2{font-size:22px;line-height:30px;margin-top:32px;}
  .article-body h3{font-size:18px;line-height:26px;margin-top:24px;}
  .article-shell{padding:26px 20px;border-radius:var(--radius);}
  .rec-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:22px;line-height:30px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 22px;}
  .cta-band .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#fff;margin-top:var(--sec);}
.footer-top{padding:60px 24px 40px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-brand-text{font-size:17px;font-weight:700;}
.footer-desc{font-size:13px;line-height:24px;color:rgba(255,255,255,.72);margin:0;}
.footer-title{font-size:14px;font-weight:700;margin:0 0 16px;color:#fff;}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-contact li{font-size:13px;color:rgba(255,255,255,.74);}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 24px 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:12px;color:rgba(255,255,255,.6);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --blue:#1E4FD8;
  --blue-dark:#12307A;
  --blue-soft:#E8EEFE;
  --cyan:#0FC9A6;
  --orange:#FF7A2F;
  --bg:#F4F7FC;
  --card:#FFFFFF;
  --line:#E3E9F5;
  --text:#1B2433;
  --muted:#5A6B85;
  --shadow:0 8px 24px rgba(24,50,110,.08);
  --shadow-lg:0 16px 36px rgba(24,50,110,.14);
  --radius:16px;
  --radius-lg:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font:inherit;color:inherit;}
.tabnum{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){
  .container{padding:0 24px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(30,79,216,.24);}
.btn-blue:hover{background:#1a45c0;transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,79,216,.3);}
.btn-blue:active{transform:translateY(1px);}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28);}
.btn-orange:hover{filter:brightness(.94);transform:translateY(-1px);}
.btn-orange:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--blue);border:1px solid #C9D7F7;}
.btn-ghost:hover{background:var(--blue-soft);border-color:var(--blue);}
.btn-on-dark{background:#fff;color:var(--blue-dark);}
.btn-on-dark:hover{background:var(--blue-soft);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--blue);
  transition:color .2s ease;
}
.link-more:hover{color:var(--blue-dark);text-decoration:underline;text-underline-offset:4px;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.65);
  box-shadow:0 2px 18px rgba(24,50,110,.06);
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.95);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(24,50,110,.1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:76px;
  transition:height .24s ease;
}
.site-header.is-scrolled .header-inner{height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:var(--blue);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:18px;
  font-weight:700;
  box-shadow:0 6px 16px rgba(30,79,216,.28);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--text);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:14px;}
.nav-link{
  position:relative;
  padding:6px 2px;
  font-size:15px;
  color:#3C4A63;
  transition:color .2s ease;
}
.nav-link:hover{color:var(--blue);}
.nav-link.is-active{color:var(--blue);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--blue);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  color:#41506699;
  color:#415066;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--blue-soft);color:var(--blue);border-color:#D4E0FA;}
.icon-btn:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
.menu-btn{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  place-items:center;
  border:1px solid var(--line);
  background:#fff;
  color:#415066;
}
.menu-btn:hover{border-color:var(--blue);color:var(--blue);}
@media (max-width:1023px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .menu-btn{display:grid;}
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .header-inner{height:68px;gap:12px;}
}

/* 移动端抽屉 */
.mobile-panel{
  position:fixed;
  inset:0;
  z-index:55;
  padding:96px 20px 32px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateY(-8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
body.menu-open .mobile-panel{opacity:1;visibility:visible;transform:translateY(0);}
body.menu-open{overflow:hidden;}
.mobile-panel .panel-label{font-size:12px;letter-spacing:1px;color:var(--muted);margin:12px 0 4px;}
.mobile-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:15px 18px;
  border-radius:14px;
  background:#fff;
  border:1px solid var(--line);
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.mobile-panel a.is-active{border-color:#C9D7F7;background:var(--blue-soft);color:var(--blue);}
.mobile-panel a:hover{border-color:var(--blue);}
.mobile-panel .panel-cta{margin-top:auto;}

/* ============ Banner ============ */
.page-banner{
  position:relative;
  min-height:260px;
  display:flex;
  align-items:center;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center;
  padding:112px 0 46px;
  overflow:hidden;
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(255,255,255,.76);
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:120px;
  background:linear-gradient(180deg,rgba(244,247,252,0) 0%,var(--bg) 100%);
}
.banner-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:16px;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb .sep{color:#A9B6CC;}
.breadcrumb .current{color:var(--text);font-weight:600;}
.page-banner h1{
  font-size:30px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--blue-dark);
}
.page-banner .banner-sub{
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:#41536f;
  max-width:720px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.banner-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:12px;
  color:var(--muted);
  box-shadow:0 4px 12px rgba(24,50,110,.05);
}
.banner-tag i{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;}
@media (min-width:1024px){
  .page-banner{min-height:260px;padding:120px 0 52px;}
  .page-banner h1{font-size:40px;line-height:1.2;}
  .page-banner .banner-sub{font-size:16px;}
}
@media (max-width:520px){
  .page-banner{min-height:180px;padding:96px 0 34px;}
  .page-banner h1{font-size:26px;}
}

/* ============ 板块 ============ */
.section{padding:56px 0;}
@media (min-width:1024px){
  .section{padding:72px 0;}
}
.section-tight{padding:40px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-title{
  font-size:22px;
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--text);
}
.section-title span{color:var(--blue);}
.section-desc{margin-top:8px;font-size:14px;color:var(--muted);}
@media (min-width:1024px){
  .section-title{font-size:28px;}
}

/* ============ 筛选 + 卡片布局 ============ */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:28px;
  align-items:start;
}
@media (min-width:1024px){
  .layout{grid-template-columns:240px minmax(0,1fr);gap:32px;}
}
.filter-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px;
}
@media (min-width:1024px){
  .filter-panel{position:sticky;top:104px;}
}
.filter-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.filter-head h2{font-size:16px;font-weight:700;}
.filter-reset{
  font-size:13px;
  color:var(--blue);
  padding:4px 8px;
  border-radius:8px;
  transition:background-color .2s ease;
}
.filter-reset:hover{background:var(--blue-soft);}
.filter-reset:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
.filter-group{padding-top:18px;}
.filter-group + .filter-group{margin-top:4px;border-top:1px dashed #E9EEF9;padding-top:18px;}
.field-label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:#3C4A63;
  margin-bottom:10px;
}
.field-wrap{position:relative;}
.field{
  width:100%;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  background:#fff;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field::placeholder{color:#9BA8BE;}
.field:focus{
  outline:none;
  border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(30,79,216,.14);
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:12px;
  color:var(--muted);
  transition:all .2s ease;
}
.chip:hover{border-color:#C9D7F7;color:var(--blue);background:var(--blue-soft);}
.chip.is-on{background:var(--blue-soft);border-color:#C2D3FA;color:var(--blue);font-weight:600;}
.chip:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
.check-list{display:flex;flex-direction:column;gap:10px;}
.check{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:#3C4A63;
  cursor:pointer;
}
.check input{
  appearance:none;
  -webkit-appearance:none;
  width:18px;height:18px;
  flex-shrink:0;
  border-radius:6px;
  border:1px solid #C9D4E6;
  background:#fff;
  display:grid;
  place-items:center;
  transition:all .18s ease;
}
.check input:checked{background:var(--blue);border-color:var(--blue);}
.check input:checked::after{
  content:"";
  width:9px;height:5px;
  border-left:2px solid #fff;
  border-bottom:2px solid #fff;
  transform:rotate(-45deg) translateY(-1px);
}
.check input:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
.filter-note{
  margin-top:18px;
  padding:12px 14px;
  border-radius:12px;
  background:#F7FAFF;
  border:1px solid #E9EEF9;
  font-size:12px;
  line-height:1.7;
  color:var(--muted);
}

/* ============ 数据卡网格 ============ */
.grid-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:20px;
  flex-wrap:wrap;
}
.grid-toolbar .result-count{font-size:14px;color:var(--muted);}
.grid-toolbar .result-count b{color:var(--blue);font-weight:700;}
.card-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:22px;
}
@media (min-width:640px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1280px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
.data-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.data-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:#CBD9F8;
}
.data-card:focus-within{border-color:var(--blue);}
.thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--blue-soft);
}
.thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.data-card:hover .thumb img{transform:scale(1.05);}
.badge{
  position:absolute;
  top:12px;left:12px;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:rgba(15,201,166,.94);
  color:#04322a;
  box-shadow:0 4px 12px rgba(6,60,50,.18);
}
.badge-blue{background:rgba(30,79,216,.94);color:#fff;box-shadow:0 4px 12px rgba(18,48,122,.24);}
.card-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:20px;
}
.card-title{
  font-size:18px;
  line-height:1.45;
  font-weight:700;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.data-card:hover .card-title{color:var(--blue);}
.card-desc{
  margin-top:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--muted);
}
.card-meta .meta-tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--blue-soft);
  color:var(--blue);
  font-size:12px;
  font-weight:600;
}
.card-foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.card-foot .num{
  font-size:16px;
  font-weight:700;
  color:var(--orange);
  font-variant-numeric:tabular-nums;
}
.card-foot .num small{font-size:12px;font-weight:500;color:var(--muted);margin-left:4px;}
.card-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  background:var(--blue-soft);
  color:var(--blue);
  font-size:13px;
  font-weight:600;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.card-link:hover{background:var(--blue);color:#fff;transform:translateY(-1px);}
.card-link:active{transform:translateY(1px);}
.card-link:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}

/* ============ 说明条 ============ */
.assure{
  background:#F7FAFF;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 22px;
}
.assure-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
@media (min-width:1024px){
  .assure-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
}
.assure-item{display:flex;gap:12px;align-items:flex-start;}
.assure-icon{
  width:40px;height:40px;
  flex-shrink:0;
  border-radius:12px;
  background:#fff;
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  color:var(--blue);
  box-shadow:0 4px 12px rgba(24,50,110,.05);
}
.assure-item h3{font-size:15px;font-weight:700;color:var(--text);}
.assure-item p{margin-top:4px;font-size:13px;line-height:1.7;color:var(--muted);}

/* ============ 窄 CTA ============ */
.narrow-cta{
  background:var(--blue-dark);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(18,48,122,.22);
}
.narrow-cta .cta-text h2{font-size:19px;font-weight:700;color:#fff;line-height:1.5;}
.narrow-cta .cta-text p{margin-top:6px;font-size:13px;color:rgba(255,255,255,.72);}
@media (min-width:1024px){
  .narrow-cta{padding:30px 34px;}
  .narrow-cta .cta-text h2{font-size:22px;}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:64px;
  background:var(--blue-dark);
  color:#D8E2F7;
}
.footer-top{padding:56px 0 34px;}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:30px;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-mark{background:#fff;color:var(--blue-dark);box-shadow:none;}
.footer-brand-text{font-size:17px;font-weight:700;color:#fff;}
.footer-desc{margin-top:14px;font-size:13px;line-height:1.85;color:rgba(216,226,247,.78);max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links li + li{margin-top:10px;}
.footer-links a{
  font-size:13px;
  color:rgba(216,226,247,.82);
  transition:color .2s ease;
}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{font-size:13px;line-height:1.9;color:rgba(216,226,247,.82);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:rgba(216,226,247,.66);}

/* roulang page: category2 */
:root{
    --primary:#1E4FD8;
    --primary-dark:#12307A;
    --primary-light:#E8EEFE;
    --accent:#0FC9A6;
    --orange:#FF7A2F;
    --bg:#F4F7FC;
    --card:#FFFFFF;
    --border:#E3E9F5;
    --text:#1B2433;
    --muted:#5A6B85;
    --radius:16px;
    --radius-lg:20px;
    --radius-sm:10px;
    --shadow:0 8px 24px rgba(24,50,110,.08);
    --shadow-hover:0 16px 38px rgba(24,50,110,.14);
    --section-y:96px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p,dl,dd,dt,figure{margin:0}
  .num{font-variant-numeric:tabular-nums}

  /* ---------- 容器 ---------- */
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  .section{padding:var(--section-y) 0}
  .section--tight{padding:56px 0}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
  .section-title{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:.2px}
  .section-sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}
  .text-link{font-size:14px;font-weight:600;color:var(--primary);border-bottom:1px solid transparent;padding-bottom:2px}
  .text-link:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark)}

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:80;
    background:rgba(255,255,255,.55);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(255,255,255,.7);
    box-shadow:0 6px 22px rgba(24,50,110,.06);
    transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.95);
    border-bottom-color:var(--border);
    box-shadow:0 10px 26px rgba(24,50,110,.1);
  }
  .header-inner{display:flex;align-items:center;gap:16px;height:76px;transition:height .24s ease}
  .site-header.is-scrolled .header-inner{height:68px}
  .brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--primary-dark);white-space:nowrap}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;flex:none;
    background:var(--primary);color:#fff;
    display:grid;place-items:center;font-size:16px;font-weight:700;
  }
  .main-nav{display:flex;align-items:center;gap:6px;margin:0 auto}
  .nav-link{padding:9px 15px;border-radius:999px;font-size:15px;font-weight:500;color:var(--muted)}
  .nav-link:hover{color:var(--primary);background:var(--primary-light)}
  .nav-link.is-active{color:var(--primary);background:var(--primary-light);font-weight:700}
  .header-actions{display:flex;align-items:center;gap:10px}
  .icon-btn{
    width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
    color:var(--muted);border:1px solid var(--border);background:rgba(255,255,255,.7);
    transition:color .2s,background-color .2s,border-color .2s;
  }
  .icon-btn:hover{color:var(--primary);background:var(--primary-light);border-color:var(--primary-light)}
  .menu-btn{display:none;width:42px;height:42px;border-radius:12px;place-items:center;color:var(--primary-dark);border:1px solid var(--border);background:#fff}
  .header-cta{white-space:nowrap}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;border-radius:999px;
    font-size:15px;font-weight:600;line-height:1;
    transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  }
  .btn:active{transform:translateY(1px)}
  .btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
  .btn-blue{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(30,79,216,.24)}
  .btn-blue:hover{background:#1a45bd;transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,79,216,.28)}
  .btn-orange{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.26)}
  .btn-orange:hover{background:#f26c1f;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,47,.3)}
  .btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}
  .btn-ghost:hover{background:var(--primary-light);transform:translateY(-1px)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn-white{background:#fff;color:var(--primary-dark)}
  .btn-white:hover{background:#eef3ff;transform:translateY(-1px)}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;
    font-size:12px;line-height:1.5;font-weight:600;
    background:var(--primary-light);color:var(--primary);
  }
  .badge-accent{background:rgba(15,201,166,.14);color:#0a8f76}
  .badge-solid{background:var(--accent);color:#fff}

  /* ---------- 移动端抽屉 ---------- */
  .mobile-drawer{
    position:fixed;inset:0;z-index:90;
    background:rgba(255,255,255,.9);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    padding:96px 24px 32px;
    display:none;flex-direction:column;gap:18px;
  }
  .mobile-drawer.is-open{display:flex}
  .mobile-drawer .drawer-title{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:600}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 18px;border-radius:14px;background:#fff;
    border:1px solid var(--border);font-size:16px;font-weight:600;color:var(--text);
  }
  .drawer-link.is-active{color:var(--primary);border-color:var(--primary-light);background:var(--primary-light)}
  .drawer-foot{margin-top:auto;display:grid;gap:12px}
  .drawer-close{
    position:absolute;top:22px;right:24px;width:42px;height:42px;border-radius:999px;
    display:grid;place-items:center;background:#fff;border:1px solid var(--border);color:var(--primary-dark)
  }

  /* ---------- 页面 Banner（居中式） ---------- */
  .page-banner{
    position:relative;
    padding:158px 0 84px;
    background-image:
      linear-gradient(rgba(255,255,255,.82),rgba(255,255,255,.86)),
      url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--border);
    overflow:hidden;
  }
  .page-banner::after{
    content:"";position:absolute;inset:0;background:rgba(255,255,255,.08);pointer-events:none;
  }
  .banner-inner{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center}
  .banner-eyebrow{
    display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
    padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--border);
    font-size:12px;font-weight:600;color:var(--primary);letter-spacing:.04em;
  }
  .banner-dot{width:7px;height:7px;border-radius:999px;background:var(--accent)}
  .page-banner h1{font-size:40px;line-height:1.2;font-weight:800;letter-spacing:.2px;color:var(--primary-dark)}
  .page-banner h1 span{color:var(--primary)}
  .banner-lead{margin:18px auto 0;font-size:16px;line-height:1.8;color:var(--muted);max-width:660px}
  .banner-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
  .banner-stats{
    display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:34px;
  }
  .banner-stat{
    display:flex;align-items:center;gap:9px;
    padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);
    font-size:13px;font-weight:600;color:var(--text);box-shadow:var(--shadow);
  }
  .banner-stat svg{color:var(--accent);flex:none}
  .banner-stat b{color:var(--primary);font-weight:700}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:26px 0 0;font-size:13px;color:var(--muted)}
  .breadcrumb a{color:var(--muted)}
  .breadcrumb a:hover{color:var(--primary)}
  .breadcrumb .sep{color:#b9c4d8}
  .breadcrumb .current{color:var(--text);font-weight:600}

  /* ---------- 切换条 ---------- */
  .tabbar-wrap{padding:30px 0 0}
  .tabbar{
    display:flex;gap:10px;overflow-x:auto;padding:8px 4px 14px;
    scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  }
  .tabbar::-webkit-scrollbar{height:6px}
  .tabbar::-webkit-scrollbar-thumb{background:#cfd9ee;border-radius:999px}
  .chip{
    flex:none;scroll-snap-align:start;
    display:inline-flex;align-items:center;gap:8px;
    padding:11px 20px;border-radius:999px;
    background:#fff;border:1px solid var(--border);color:var(--muted);
    font-size:14px;font-weight:600;white-space:nowrap;
    transition:all .2s ease;
  }
  .chip:hover{color:var(--primary);border-color:#c7d6f8;background:var(--primary-light)}
  .chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(30,79,216,.22)}
  .chip:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
  .chip .chip-count{
    font-size:12px;padding:1px 8px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-weight:700;
  }
  .chip.is-active .chip-count{background:rgba(255,255,255,.22);color:#fff}

  /* ---------- 双列大卡 ---------- */
  .cards-duo{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:18px}
  .duo-card{
    display:grid;grid-template-columns:190px 1fr;
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
    overflow:hidden;box-shadow:var(--shadow);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .duo-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c7d6f8}
  .duo-media{position:relative;background:#eaeffa;min-height:100%}
  .duo-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
  .duo-badge{
    position:absolute;top:12px;left:12px;
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.94);
    font-size:12px;font-weight:700;color:var(--primary);box-shadow:0 4px 12px rgba(24,50,110,.12);
  }
  .duo-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:12px}
  .duo-title{font-size:18px;line-height:1.5;font-weight:700;color:var(--text)}
  .duo-card:hover .duo-title{color:var(--primary)}
  .duo-desc{font-size:14px;line-height:1.75;color:var(--muted)}
  .duo-list{display:grid;gap:8px;margin-top:2px}
  .duo-list li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:#3d4c66;line-height:1.65}
  .duo-list svg{flex:none;margin-top:4px;color:var(--accent)}
  .duo-foot{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);
  }
  .duo-meta{font-size:13px;color:var(--muted)}
  .duo-meta b{color:var(--text);font-weight:700}

  /* ---------- 对照区 ---------- */
  .compare-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
  .compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:26px}
  .compare-panel{border:1px solid var(--border);border-radius:var(--radius);padding:22px;background:#fbfcff}
  .compare-panel.highlight{border-color:#c7d6f8;background:var(--primary-light)}
  .compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
  .compare-head h3{font-size:18px;font-weight:700;color:var(--primary-dark)}
  .compare-dl{display:grid;gap:0}
  .compare-dl .row{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:12px 0;border-top:1px solid rgba(227,233,245,.9)}
  .compare-dl .row:first-child{border-top:0}
  .compare-dl dt{font-size:13px;color:var(--muted);font-weight:600}
  .compare-dl dd{font-size:14px;color:var(--text);margin:0}

  /* ---------- 步骤流程 ---------- */
  .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:12px}
  .step-card{
    position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);
    padding:24px 22px;box-shadow:var(--shadow);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c7d6f8}
  .step-no{
    width:36px;height:36px;border-radius:12px;background:var(--primary-light);color:var(--primary);
    display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:14px;
  }
  .step-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
  .step-card p{font-size:14px;line-height:1.75;color:var(--muted)}
  .step-line{position:absolute;top:42px;right:-12px;width:24px;height:2px;background:#dbe4f7}
  .step-card:last-child .step-line{display:none}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px;margin-top:8px;max-width:900px}
  .faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
  .faq-item:hover{border-color:#c7d6f8}
  .faq-item.open{border-color:#c7d6f8;box-shadow:var(--shadow)}
  .faq-q{
    width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:16px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  }
  .faq-q:hover{color:var(--primary)}
  .faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
  .faq-arrow{flex:none;color:var(--primary);transition:transform .3s ease}
  .faq-item.open .faq-arrow{transform:rotate(180deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
  .faq-item.open .faq-a{max-height:340px}
  .faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted)}

  /* ---------- 底部 CTA ---------- */
  .cta-band{
    background:var(--primary-dark);border-radius:var(--radius-lg);
    padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
    box-shadow:0 18px 40px rgba(18,48,122,.22);
  }
  .cta-band h2{font-size:24px;line-height:1.4;font-weight:700;color:#fff}
  .cta-band p{margin-top:8px;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.78);max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--primary-dark);color:rgba(255,255,255,.82);margin-top:var(--section-y)}
  .footer-top{padding:64px 0 40px}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .site-footer .brand-mark{background:rgba(255,255,255,.16)}
  .footer-brand-text{font-size:17px;font-weight:700;color:#fff}
  .footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px}
  .footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
  .footer-links{display:grid;gap:11px}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.74)}
  .footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
  .footer-contact{display:grid;gap:11px;font-size:14px;color:rgba(255,255,255,.74)}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
    padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.14);
    font-size:13px;color:rgba(255,255,255,.62);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    :root{--section-y:72px}
    .main-nav{display:none}
    .menu-btn{display:grid}
    .header-cta{display:none}
    .cards-duo{grid-template-columns:1fr}
    .compare-grid{grid-template-columns:1fr}
    .steps-grid{grid-template-columns:repeat(2,1fr)}
    .step-line{display:none}
    .footer-grid{grid-template-columns:1fr 1fr}
    .page-banner h1{font-size:34px}
  }
  @media (max-width:768px){
    :root{--section-y:64px}
    .container{padding:0 20px}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
    .section-title{font-size:23px}
    .page-banner{padding:126px 0 62px}
    .page-banner h1{font-size:30px;line-height:1.28}
    .banner-lead{font-size:15px}
    .banner-actions .btn{width:100%}
    .banner-stats{gap:10px}
    .banner-stat{font-size:12.5px;padding:9px 14px}
    .duo-card{grid-template-columns:1fr}
    .duo-media{min-height:190px}
    .duo-media img{height:190px}
    .compare-wrap{padding:22px}
    .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px}
    .cta-band h2{font-size:21px}
    .cta-actions{width:100%}
    .cta-actions .btn{width:100%}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-top{padding:48px 0 30px}
    .site-footer{margin-top:64px}
  }
  @media (max-width:520px){
    .brand-text{font-size:15px}
    .header-inner{height:68px}
    .steps-grid{grid-template-columns:1fr}
    .compare-dl .row{grid-template-columns:1fr;gap:4px}
    .duo-body{padding:20px}
    .badge{font-size:11.5px}
  }