/* roulang page: index */
:root{
  --brand:#1A5CE5;
  --brand-dark:#1348BF;
  --brand-light:#EEF3FF;
  --accent:#FF7A33;
  --accent-light:#FFF1E8;
  --ink:#0E1726;
  --ink-2:#46536B;
  --line:#E4E9F2;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --green:#12B76A;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(16,32,64,.04),0 8px 24px -12px rgba(16,32,64,.10);
  --shadow-2:0 2px 6px rgba(16,32,64,.06),0 20px 40px -18px rgba(16,32,64,.20);
  --t:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;text-decoration-color:var(--brand);}
a.btn:hover{text-decoration:none;color:#fff;}
a.btn-secondary:hover{color:var(--brand-dark);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:104px 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.h2-sub{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:640px;}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.link-more i{transition:transform var(--t);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.5);
  box-shadow:0 6px 24px -18px rgba(16,32,64,.35);
  transition:background var(--t),height var(--t),box-shadow var(--t);
}
.site-header.is-stuck{background:rgba(255,255,255,.94);box-shadow:0 8px 28px -20px rgba(16,32,64,.5);}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:height var(--t);}
.site-header.is-stuck .header-inner{height:64px;}
.brand{display:inline-flex;align-items:baseline;gap:6px;font-weight:700;letter-spacing:-.01em;}
.brand-main{font-size:19px;color:var(--ink);}
.brand-sub{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--ink-2);
  transition:color var(--t),background var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--brand);text-decoration:none;background:rgba(26,92,229,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.7);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);transition:all var(--t);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:#fff;}
.burger{display:none;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);z-index:80;
  background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:-20px 0 50px -30px rgba(16,32,64,.6);
  transform:translateX(105%);transition:transform 220ms ease-out;
  padding:24px;display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-link{padding:14px 12px;border-radius:12px;font-size:15px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer-mask{position:fixed;inset:0;background:rgba(14,23,38,.32);z-index:70;opacity:0;pointer-events:none;transition:opacity var(--t);}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -12px rgba(26,92,229,.75);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px -12px rgba(19,72,191,.7);}
.btn-secondary{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-secondary:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost{height:auto;padding:6px 2px;background:none;color:var(--brand);font-weight:600;}
.btn-ghost:hover{color:var(--brand-dark);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}

/* ---------- Badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:var(--accent-light);color:#C4520F;border:1px solid rgba(255,122,51,.28);}
.badge-brand{background:var(--brand-light);color:var(--brand);}
.tag{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--brand-light);color:var(--brand);
}
.tag-accent{background:var(--accent-light);color:#C4520F;}

/* ---------- Hero ---------- */
.hero{padding-top:140px;padding-bottom:88px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;left:-140px;top:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(26,92,229,.10),rgba(26,92,229,0) 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,51,.10),rgba(255,122,51,0) 70%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-title{
  margin-top:20px;font-size:clamp(30px,4.2vw,52px);line-height:1.2;font-weight:700;letter-spacing:-.01em;
}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.75;color:var(--ink-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;font-size:13px;color:var(--ink-2);}
.hero-trust li{display:inline-flex;align-items:center;gap:8px;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(18,183,106,.14);}
.dot--grey{background:#B9C2D4;box-shadow:0 0 0 4px rgba(185,194,212,.18);}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:visible;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);border:1px solid rgba(255,255,255,.8);
}
.status-card{
  position:absolute;right:-18px;bottom:-28px;width:240px;padding:16px;border-radius:16px;
  background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.85);box-shadow:var(--shadow-2);
}
.status-card h3{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:10px;letter-spacing:.02em;}
.status-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-2);padding:5px 0;}
.status-row + .status-row{border-top:1px dashed var(--line);}
.status-val{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);}
.hero-stats{
  position:relative;z-index:2;margin-top:80px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:24px 28px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.stat-item strong{display:block;font-size:26px;font-weight:700;letter-spacing:-.01em;color:var(--ink);font-variant-numeric:tabular-nums;}
.stat-item span{font-size:13px;color:var(--ink-2);}
.stat-item + .stat-item{border-left:1px solid var(--line);padding-left:24px;}

/* ---------- Trust band ---------- */
.trust-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.trust-item{display:flex;gap:14px;align-items:flex-start;}
.trust-icon{
  width:44px;height:44px;flex:none;border-radius:14px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.trust-item h3{font-size:16px;font-weight:600;margin-bottom:4px;}
.trust-item p{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.steps::before{
  content:"";position:absolute;left:8%;right:8%;top:56px;border-top:1px dashed #C9D6F5;z-index:0;
}
.step-card{
  position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFDCF9;}
.step-num{
  width:44px;height:44px;border-radius:50%;border:2px solid var(--accent);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;background:#fff;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:20px;font-weight:700;margin:18px 0 10px;}
.step-card p{font-size:15px;color:var(--ink-2);line-height:1.85;}
.step-tip{margin-top:14px;font-size:13px;color:var(--brand);background:var(--brand-light);border-radius:10px;padding:8px 12px;}

/* ---------- Cases ---------- */
.case-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;}
.case-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t);}
.case-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.case-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.case-main-body{padding:26px 28px 28px;}
.case-main-body h3{font-size:22px;font-weight:700;margin:14px 0 12px;line-height:1.4;}
.case-main-body p{font-size:15px;color:var(--ink-2);}
.case-side{display:flex;flex-direction:column;gap:24px;}
.case-narrow{
  flex:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t);display:flex;flex-direction:column;
}
.case-narrow:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.case-narrow img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.case-narrow-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;}
.case-narrow-body h3{font-size:17px;font-weight:700;line-height:1.45;}
.case-narrow-body p{font-size:14px;color:var(--ink-2);line-height:1.7;}
.case-data{
  margin-top:24px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 26px;
  background:var(--brand-light);border:1px solid #DCE6FB;border-radius:var(--radius);
}
.case-data strong{display:block;font-size:22px;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.case-data span{font-size:13px;color:var(--ink-2);}

/* ---------- CMS list ---------- */
.cms-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cms-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cms-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFDCF9;}
.cms-cover{display:block;background:var(--brand-light);}
.cms-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cms-cover--empty{display:flex;align-items:center;justify-content:center;aspect-ratio:16/9;color:var(--brand);font-size:26px;}
.cms-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cms-title{font-size:19px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-summary{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.cms-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:#6B7891;
}
.cms-meta .cms-more{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.cms-empty{
  grid-column:1/-1;text-align:center;padding:64px 24px;border-radius:var(--radius-lg);
  background:var(--brand-light);border:1px solid #DCE6FB;color:var(--ink-2);
}
.cms-empty i{font-size:28px;color:var(--brand);}
.cms-empty p{margin:14px 0 20px;font-size:15px;}
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:44px;}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--ink-2);transition:all var(--t);
}
.pager a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:32px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;border-radius:14px;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-left-color:var(--brand);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-mark{position:relative;width:18px;height:18px;flex:none;}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:var(--brand);border-radius:2px;}
.faq-mark::before{left:0;top:8px;width:18px;height:2px;}
.faq-mark::after{left:8px;top:0;width:2px;height:18px;transition:transform var(--t);}
.faq-item[open] .faq-mark::after{transform:rotate(90deg);}
.faq-answer{padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(180deg,#EEF3FF 0%,#FFFFFF 100%);
  border-top:1px solid var(--line);
}
.cta-card{
  max-width:920px;margin:0 auto;background:#fff;border:1px solid var(--brand);border-radius:var(--radius-lg);
  padding:52px 48px;box-shadow:0 30px 60px -40px rgba(26,92,229,.55);text-align:center;
}
.cta-card p.cta-desc{margin-top:14px;font-size:16px;color:var(--ink-2);}
.cta-form{margin-top:32px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-field{flex:1 1 300px;max-width:360px;text-align:left;}
.cta-field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;}
.cta-field input{
  width:100%;height:48px;border-radius:12px;border:1px solid var(--line);background:#fff;padding:0 16px;
  font-size:15px;transition:border-color var(--t),box-shadow var(--t);
}
.cta-field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,92,229,.18);}
.cta-form .btn{flex:0 0 auto;}
.cta-note{margin-top:18px;font-size:12px;color:#7A879E;}
.form-msg{margin-top:14px;font-size:13px;color:var(--green);min-height:18px;}

/* ---------- Footer ---------- */
.site-footer{background:#F1F4FA;border-top:1px solid var(--line);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-main{font-size:18px;}
.footer-desc{margin-top:16px;font-size:14px;color:var(--ink-2);line-height:1.8;max-width:300px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;background:#fff;border:1px solid var(--line);color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;transition:all var(--t);
}
.footer-social a:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);text-decoration:none;}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a,.footer-col p{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:56px;background:#E9EEF8;border-top:1px solid var(--line);
}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:13px;color:#6B7891;flex-wrap:wrap;
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);font-weight:600;}
.to-top:hover{color:var(--brand);text-decoration:none;}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .main-nav,.header-actions .btn{display:none;}
  .burger{display:inline-flex;}
  .header-actions .icon-btn.search{display:none;}
  .hero{padding-top:120px;padding-bottom:64px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-visual{margin-bottom:36px;}
  .status-card{position:static;width:100%;margin-top:16px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:56px;}
  .stat-item:nth-child(3){border-left:none;padding-left:0;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .steps::before{display:none;}
  .case-grid{grid-template-columns:1fr;}
  .case-data{grid-template-columns:repeat(2,1fr);}
  .cms-list{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:72px 0;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .hero-stats{grid-template-columns:1fr;padding:20px;}
  .stat-item + .stat-item{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:16px;}
  .trust-grid{grid-template-columns:1fr;}
  .case-data{grid-template-columns:1fr;}
  .cms-list{grid-template-columns:1fr;}
  .cta-card{padding:36px 22px;}
  .cta-form{flex-direction:column;}
  .cta-field,.cta-form .btn{flex:1 1 auto;max-width:none;width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --primary:#1A5CE5;
  --primary-dark:#1348BF;
  --primary-light:#EEF3FF;
  --accent:#FF7A33;
  --accent-light:#FFF1E8;
  --ink:#0E1726;
  --ink-2:#46536B;
  --line:#E4E9F2;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --green:#12B76A;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(16,32,64,.04), 0 8px 24px -12px rgba(16,32,64,.10);
  --shadow-2:0 2px 6px rgba(16,32,64,.06), 0 18px 38px -16px rgba(16,32,64,.18);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;text-decoration-color:var(--primary)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
::selection{background:rgba(26,92,229,.16)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-weight:700;letter-spacing:-.01em;line-height:1.28}
.tnum{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn i{font-size:14px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);text-decoration:none;transform:translateY(-1px)}
.btn-text{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;padding:4px 0}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-accent{background:var(--accent-light);color:#C9511A}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}
.dot-gray{background:#B8C2D6}

/* ============ 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(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.5);
  box-shadow:0 6px 24px -18px rgba(16,32,64,.28);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{background:rgba(255,255,255,.94);box-shadow:0 10px 30px -20px rgba(16,32,64,.42);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height var(--ease)}
.site-header.is-stuck .nav-wrap{height:64px}
.brand{display:inline-flex;align-items:baseline;gap:6px;font-weight:700;letter-spacing:-.01em}
.brand-main{font-size:20px;color:var(--ink)}
.brand-sub{font-size:13px;color:var(--primary);font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:8px 12px;font-size:14px;color:var(--ink-2);font-weight:500;border-radius:8px;transition:color var(--ease)}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.nav-link:hover{color:var(--primary);text-decoration:none}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--ink-2);border:1px solid transparent;transition:var(--ease)}
.icon-btn:hover{background:#fff;color:var(--primary);border-color:var(--line)}
.hamburger{width:42px;height:42px;border-radius:12px;display:none;place-items:center;color:var(--ink);background:#fff;border:1px solid var(--line)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,340px);background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:-18px 0 40px -24px rgba(16,32,64,.4);
  transform:translateX(102%);transition:transform 240ms ease-out;
  padding:22px;display:flex;flex-direction:column;gap:18px;z-index:90;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:grid;place-items:center}
.drawer-nav{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--line);padding-top:14px}
.drawer-nav a{padding:12px 10px;border-radius:10px;font-size:15px;color:var(--ink-2)}
.drawer-nav a:hover{background:var(--primary-light);color:var(--primary);text-decoration:none}

/* ============ 文章头部 ============ */
.article-hero{
  padding:118px 0 44px;
  background:
    linear-gradient(180deg,rgba(238,243,255,.94),rgba(246,248,252,.99)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-2)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#B8C2D6}
.breadcrumb span[aria-current]{color:var(--ink);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{margin-top:22px;max-width:900px}
.article-head h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.24;margin:16px 0 18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--ink-2)}
.meta-row li{display:inline-flex;align-items:center;gap:6px}
.meta-row i{color:var(--primary);font-size:12px}
.meta-row .divider{width:1px;height:12px;background:var(--line)}

/* ============ 文章布局 ============ */
.article-wrap{padding:56px 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.article-body{
  max-width:760px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:40px 40px 46px;font-size:16px;color:#22304A;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em;line-height:1.86}
.article-body h2{
  position:relative;font-size:clamp(23px,2.4vw,28px);margin:40px 0 16px;padding-left:18px;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:4px;height:22px;border-radius:3px;background:var(--primary);
}
.article-body h3{font-size:22px;margin:30px 0 12px;color:var(--ink)}
.article-body ul{margin:0 0 1.2em;padding-left:2px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:9px;line-height:1.8}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--primary)}
.article-body ol{margin:0 0 1.2em;counter-reset:oli}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:oli;line-height:1.8}
.article-body ol li::before{
  content:counter(oli);position:absolute;left:0;top:.18em;width:20px;height:20px;border-radius:6px;
  background:var(--accent-light);color:#C9511A;font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;background:var(--primary-light);border-left:3px solid var(--primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#22304A;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:22px 0 6px;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFBFE}
.article-body a{color:var(--primary);font-weight:500}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* 空态 */
.cms-empty{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:56px 24px;background:var(--primary-light);border:1px dashed #C6D6F8;border-radius:var(--radius);
}
.cms-empty i{font-size:26px;color:var(--primary)}
.cms-empty p{color:var(--ink-2);font-size:15px;margin:0}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:20px}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--accent)}
.toc li{margin-bottom:2px}
.toc a{display:block;font-size:13.5px;color:var(--ink-2);padding:7px 10px;border-radius:8px;line-height:1.6;transition:var(--ease)}
.toc a:hover{background:var(--primary-light);color:var(--primary);text-decoration:none}
.toc-empty{font-size:13px;color:var(--ink-2);padding:7px 10px;line-height:1.7}
.side-link{display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:var(--radius-sm);transition:var(--ease)}
.side-link:hover{background:var(--primary-light);text-decoration:none}
.side-link img{width:64px;height:48px;border-radius:10px;object-fit:cover;flex:0 0 64px}
.side-link strong{display:block;font-size:14px;color:var(--ink);margin-bottom:2px}
.side-link em{font-style:normal;font-size:12.5px;color:var(--ink-2);line-height:1.6;display:block}
.side-cta{background:linear-gradient(180deg,var(--primary-light),#fff);border-color:#CFDCFA}
.side-cta p{font-size:14px;color:var(--ink-2);margin-bottom:16px;line-height:1.8}

/* ============ 上一篇 / 下一篇 ============ */
.post-nav{padding:48px 0 8px}
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);
  padding:22px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFDCFA;text-decoration:none}
.post-label{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.04em}
.post-card h3{font-size:17px;margin:10px 0 8px;color:var(--ink)}
.post-card p{font-size:14px;color:var(--ink-2);line-height:1.75}
.back-link{margin-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:14px}

/* ============ 相关入口 ============ */
.related{padding:72px 0 8px}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:10px}
.section-head p{color:var(--ink-2);font-size:15px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);text-decoration:none}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.related-card .rc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-card h3{font-size:17px;color:var(--ink)}
.related-card p{font-size:14px;color:var(--ink-2);line-height:1.75;flex:1}

/* ============ CTA ============ */
.cta-section{padding:80px 0 0}
.cta-card{
  background:linear-gradient(135deg,#EEF3FF 0%,#FFFFFF 78%);
  border:1px solid #CFDCFA;border-radius:24px;box-shadow:var(--shadow-1);
  padding:52px 44px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
.cta-card h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.cta-card > div > p{color:var(--ink-2);font-size:15px;margin-bottom:0}
.cta-form{display:flex;flex-direction:column;gap:12px}
.cta-form label{font-size:14px;color:var(--ink-2)}
.cta-row{display:flex;gap:12px}
.cta-form input{
  flex:1;height:48px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;
  padding:0 16px;font-size:15px;color:var(--ink);transition:var(--ease);
}
.cta-form input::placeholder{color:#9AA6BC}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,92,229,.18)}
.cta-note{font-size:12px;color:var(--ink-2);line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:#F1F4FA;border-top:1px solid var(--line);margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding:64px 0 56px}
.footer-desc{font-size:14px;color:var(--ink-2);line-height:1.85;margin:18px 0 20px;max-width:330px}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--primary);transition:var(--ease);
}
.footer-social a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px);text-decoration:none}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--ink)}
.footer-col ul li{margin-bottom:10px}
.footer-col a,.footer-col p{font-size:14px;color:var(--ink-2);line-height:1.7}
.footer-bottom{background:#E9EEF8;border-top:1px solid var(--line)}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:18px 0;font-size:13px;color:var(--ink-2)}
.to-top{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--primary)}
.to-top:hover{text-decoration:none;color:var(--primary-dark)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .hamburger{display:grid}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-side{position:static}
  .article-body{max-width:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-card{grid-template-columns:1fr;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .article-hero{padding:104px 0 34px}
  .article-body{padding:26px 20px 32px;border-radius:var(--radius)}
  .article-wrap{padding:40px 0 8px}
  .post-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .cta-row{flex-direction:column}
  .cta-row .btn{width:100%}
  .article-head h1{font-size:26px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-main{font-size:18px}
  .brand-sub{font-size:12px}
  .nav-actions .btn-sm{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand:#1A5CE5;
  --brand-dark:#1348BF;
  --brand-soft:#EEF3FF;
  --accent:#FF7A33;
  --accent-soft:#FFF1E8;
  --ink:#0E1726;
  --ink-2:#46536B;
  --ink-3:#6B7893;
  --line:#E4E9F2;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --ok:#12B76A;
  --r-card:18px;
  --r-panel:20px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(16,32,64,.04), 0 8px 24px -12px rgba(16,32,64,.10);
  --sh-2:0 2px 8px rgba(16,32,64,.06), 0 20px 42px -18px rgba(16,32,64,.22);
  --t:180ms ease-out;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--ink)}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
a:hover{text-decoration:underline;text-decoration-color:var(--brand);text-decoration-thickness:2px;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.btn:hover,.nav-link:hover,.icon-btn:hover,.brand:hover,.quick-links a:hover,.footer-col a:hover,.footer-social a:hover,.to-top:hover,.link-more:hover{text-decoration:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 容器与板块 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,32px)}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:640px}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:14px;font-weight:600;white-space:nowrap}
.link-more i{transition:transform var(--t)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;height:var(--header-h);
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.5);
  box-shadow:0 8px 26px -22px rgba(16,32,64,.5);
  transition:height var(--t),background-color var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-stuck{
  height:64px;
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 12px 32px -24px rgba(16,32,64,.55);
}
.header-inner{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:baseline;gap:6px;font-weight:700;letter-spacing:-.02em;white-space:nowrap}
.brand-main{font-size:20px;color:var(--brand)}
.brand-sub{font-size:12px;font-weight:600;color:var(--ink-2);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{position:relative;padding:10px 14px;font-size:14px;font-weight:600;color:var(--ink-2);border-radius:10px}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--ink);background:rgba(238,243,255,.7)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;color:var(--ink-2);border:1px solid transparent;transition:all var(--t);
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:#D9E4FF}
.menu-btn{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:all var(--t);cursor:pointer;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(26,92,229,.85)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(26,92,229,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand);border-color:#C9DAFF}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-ghost{background:transparent;color:var(--brand);padding:0 6px;height:44px}
.btn-ghost:hover{color:var(--brand-dark)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--brand-soft);color:var(--brand);
}
.badge-accent{background:var(--accent-soft);color:#D95A15}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:132px 0 72px;
  background:
    radial-gradient(900px 300px at 88% -10%, rgba(255,122,51,.10), transparent 62%),
    linear-gradient(180deg,#EEF3FF 0%,#F6F8FC 100%);
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:repeating-linear-gradient(90deg, rgba(26,92,229,.16) 0 24px, transparent 24px 56px);
  opacity:.5;
}
.cat-hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:#C3CCDD}
.cat-hero h1{margin-top:16px;font-size:clamp(28px,3.6vw,44px);line-height:1.2;max-width:16em}
.cat-hero-copy>p{margin-top:18px;font-size:16px;color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px}
.cat-hero-media{position:relative}
.cat-hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-panel);border:1px solid #fff;box-shadow:var(--sh-2);
}
.hero-tag{
  position:absolute;left:-14px;bottom:22px;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:var(--sh-1);font-size:13px;font-weight:600;color:var(--ink-2);
}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(18,183,106,.16)}

/* ---------- 实时状态条 ---------- */
.status-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.status-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:22px 0}
.status-item{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.status-item b{display:block;font-size:15px;color:var(--ink);font-weight:700}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:none}
.status-dot.gray{background:#C3CCDD}

/* ---------- 图文条目卡 ---------- */
.item-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.item-card{
  display:flex;gap:16px;padding:20px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.item-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D4E0F8}
.item-card img{width:88px;height:88px;flex:none;object-fit:cover;border-radius:14px;background:var(--brand-soft)}
.item-card h3{font-size:17px;line-height:1.4}
.item-card p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.7}
.item-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:50%;border:1px solid var(--accent);
  color:var(--accent);font-size:12px;font-weight:700;margin-right:8px;vertical-align:2px;
}

/* ---------- 深色自查带 ---------- */
.band-dark{background:#0E1726;color:#E9EEF8;padding:88px 0;position:relative;overflow:hidden}
.band-dark::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(26,92,229,.28), transparent 68%);
}
.band-inner{position:relative;z-index:1;display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.band-dark h2{color:#fff;font-size:clamp(24px,3vw,32px)}
.band-dark .band-copy p{margin-top:14px;color:#A9B6CE;font-size:15px}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check-item{
  display:flex;gap:14px;padding:20px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  transition:background-color var(--t),border-color var(--t);
}
.check-item:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
.check-item i{color:var(--accent);font-size:18px;margin-top:2px}
.check-item b{display:block;font-size:15px;color:#fff;font-weight:700}
.check-item span{display:block;margin-top:6px;font-size:13px;color:#A9B6CE;line-height:1.7}

/* ---------- 快捷入口 ---------- */
.quick-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.quick-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:22px 24px}
.quick-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);white-space:nowrap}
.quick-links{display:flex;flex-wrap:wrap;gap:10px}
.quick-links a{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;border:1px solid #DCE7FF;
}
.quick-links a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-wrap .faq-lead{text-align:center;color:var(--ink-2);font-size:15px;margin-top:12px}
.faq-wrap h2{text-align:center;font-size:clamp(24px,3vw,32px)}
.faq-list{margin-top:36px;display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);position:relative;
}
.faq-item:hover{border-color:#D4E0F8;box-shadow:var(--sh-1)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform var(--t);
}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-size:16px;font-weight:600;
  color:var(--ink);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-3px}
.faq-icon{
  position:absolute;right:20px;top:50%;width:22px;height:22px;margin-top:-11px;
  border-radius:50%;background:var(--brand-soft);transition:transform var(--t),background-color var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:transform var(--t),opacity var(--t)}
.faq-item[open] .faq-icon{background:#DCE7FF}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- 窄 CTA ---------- */
.cta-panel{
  max-width:900px;margin:0 auto;padding:48px 44px;text-align:center;
  background:linear-gradient(180deg,#EEF3FF 0%,#FFFFFF 100%);
  border:1px solid var(--brand);border-radius:24px;box-shadow:var(--sh-1);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px)}
.cta-panel>p{margin-top:12px;color:var(--ink-2);font-size:15px}
.cta-form{display:flex;gap:12px;max-width:520px;margin:28px auto 0}
.cta-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;font-size:15px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.cta-form input::placeholder{color:#9AA6BC}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,92,229,.18)}
.form-note{margin-top:14px;font-size:12px;color:var(--ink-3)}
.form-note.is-ok{color:var(--ok);font-weight:600}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,23,38,.42);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,88vw);z-index:100;
  background:rgba(255,255,255,.97);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-left:1px solid var(--line);box-shadow:-18px 0 42px -26px rgba(16,32,64,.5);
  padding:22px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(102%);transition:transform 220ms ease-out;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-nav{display:grid;gap:6px;margin-top:8px}
.drawer-nav a{
  display:block;padding:14px 16px;border-radius:12px;font-size:15px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand);border-color:#DCE7FF}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;background:#F1F4FA;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 56px}
.footer-brand .brand{display:flex;flex-wrap:wrap;gap:6px}
.footer-desc{margin-top:16px;font-size:14px;color:var(--ink-2);max-width:320px;line-height:1.8}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.footer-social a:hover{color:var(--brand);border-color:#C9DAFF;background:var(--brand-soft);transform:translateY(-2px)}
.footer-col h3{font-size:15px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col p{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{background:#E9EEF8;border-top:1px solid #DEE5F2}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:13px;color:var(--ink-2)}
.to-top{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand)}
.to-top:hover{color:var(--brand-dark)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{display:none}
  .menu-btn{display:inline-flex}
  .cat-hero{padding:112px 0 56px}
  .cat-hero-inner{grid-template-columns:1fr;gap:36px}
  .cat-hero-media{order:-1}
  .hero-tag{left:14px;bottom:14px}
  .status-inner{grid-template-columns:repeat(2,1fr);gap:18px}
  .item-grid{grid-template-columns:repeat(2,1fr)}
  .band-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 40px}
  .section{padding:72px 0}
  .band-dark{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .item-grid{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .cta-panel{padding:34px 22px;border-radius:20px}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .quick-inner{padding:18px 16px;gap:14px}
  .hero-actions .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand:#1A5CE5;
  --brand-dark:#1348BF;
  --brand-soft:#EEF3FF;
  --accent:#FF7A33;
  --accent-soft:#FFF1E8;
  --ink:#0E1726;
  --ink-2:#46536B;
  --line:#E4E9F2;
  --page:#F6F8FC;
  --card:#FFFFFF;
  --ok:#12B76A;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(16,32,64,.04),0 8px 24px -12px rgba(16,32,64,.10);
  --sh-2:0 2px 4px rgba(16,32,64,.06),0 16px 36px -14px rgba(16,32,64,.18);
  --t:180ms ease-out;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
.page-body{
  margin:0;
  padding-top:var(--header-h);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
.page-body h1,.page-body h2,.page-body h3{font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:0;}
.page-body h1{font-size:clamp(28px,3.8vw,46px);line-height:1.2;}
.page-body h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
.page-body h3{font-size:20px;line-height:1.4;}
.page-body p{margin:0;}
.page-body ul{margin:0;padding:0;list-style:none;}
.page-body a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),box-shadow var(--t);}
.page-body a:hover{color:var(--brand-dark);text-decoration:underline;text-decoration-color:var(--brand);text-decoration-thickness:2px;text-underline-offset:3px;}
.page-body a:focus-visible,.page-body button:focus-visible,.page-body input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.page-body img{display:block;max-width:100%;height:auto;}
.page-body button{font-family:inherit;cursor:pointer;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container{padding:0 24px;}}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--header-h);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.6);
  box-shadow:0 6px 24px -18px rgba(16,32,64,.5);
  transition:background var(--t),height var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-stuck{
  height:64px;
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -22px rgba(16,32,64,.6);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%;}
.brand{display:inline-flex;align-items:baseline;gap:6px;flex-shrink:0;}
.brand-main{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--brand);}
.brand-sub{font-size:12px;font-weight:600;color:var(--ink-2);letter-spacing:.02em;}
.brand:hover{text-decoration:none;}
.brand:hover .brand-main{color:var(--brand-dark);}
.main-nav{display:none;}
@media (min-width:1024px){.main-nav{display:block;}}
.main-nav ul{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;display:inline-block;padding:6px 2px;font-size:14px;color:var(--ink-2);font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.main-nav a:hover{color:var(--ink);text-decoration:none;}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--brand);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;display:none;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink-2);
  transition:color var(--t),border-color var(--t),background var(--t);
}
@media (min-width:768px){.icon-btn{display:inline-flex;}}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}
.menu-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink);
}
@media (min-width:1024px){.menu-btn{display:none;}}
.menu-btn:hover{color:var(--brand);border-color:var(--brand);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(26,92,229,.9);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);text-decoration:none;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand);padding:0 6px;height:auto;font-weight:600;}
.btn-ghost:hover{color:var(--brand-dark);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:340px;z-index:80;
  background:rgba(255,255,255,.97);backdrop-filter:blur(12px);
  border-left:1px solid var(--line);box-shadow:-20px 0 40px -30px rgba(16,32,64,.7);
  transform:translateX(105%);transition:transform var(--t);
  padding:20px;display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink);}
.drawer a.nav-item{
  padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--ink);font-weight:500;display:block;
}
.drawer a.nav-item:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none;}
.drawer a.nav-item.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.drawer .btn{margin-top:14px;width:100%;}
.drawer-mask{position:fixed;inset:0;background:rgba(14,23,38,.38);z-index:70;opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- hero band ---------- */
.hero-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#EEF3FF 0%,#F7FAFF 52%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
}
.hero-band::after{
  content:"";position:absolute;right:-120px;top:-90px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(26,92,229,.10),rgba(26,92,229,0) 70%);
  pointer-events:none;
}
.hero-band-inner{
  position:relative;z-index:2;display:grid;gap:32px;align-items:center;
  padding:44px 0 56px;
}
@media (min-width:1024px){
  .hero-band-inner{grid-template-columns:7fr 5fr;gap:48px;padding:56px 0 64px;}
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:#B64A12;font-size:12px;font-weight:600;
  padding:6px 14px;border-radius:999px;letter-spacing:.02em;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero-band h1{margin:18px 0 16px;}
.hero-lead{color:var(--ink-2);font-size:16px;max-width:620px;margin-bottom:8px;}
.hero-lead + .hero-lead{margin-top:8px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
}
.status-card{
  position:absolute;left:16px;bottom:16px;width:240px;
  background:rgba(255,255,255,.82);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.9);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:14px 16px;
}
.status-card h3{font-size:13px;color:var(--ink-2);font-weight:600;margin-bottom:10px;letter-spacing:.02em;}
.status-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);padding:4px 0;}
.status-row .val{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;}
.dot-ok,.dot-off{width:8px;height:8px;border-radius:50%;display:inline-block;}
.dot-ok{background:var(--ok);box-shadow:0 0 0 3px rgba(18,183,106,.15);}
.dot-off{background:#B7C0D2;box-shadow:0 0 0 3px rgba(183,192,210,.2);}
@media (max-width:639px){
  .status-card{position:static;width:100%;margin-top:14px;}
}

/* ---------- anchor bar ---------- */
.anchor-bar{
  background:#fff;border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;font-size:13px;font-weight:600;color:var(--ink-2);
  padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;
}
.anchor-inner a:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);text-decoration:none;}

/* ---------- sections ---------- */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:#fff;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:15px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,var(--line),#CFD9EC 50%,var(--line));
}
@media (min-width:768px){
  .timeline::before{left:31px;}
}
.tl-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:16px;padding-bottom:26px;}
@media (min-width:768px){.tl-item{grid-template-columns:64px 1fr;gap:24px;padding-bottom:34px;}}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  width:48px;height:48px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--accent);border-radius:var(--r-sm);background:#fff;color:var(--accent);
  font-weight:700;font-size:15px;position:relative;z-index:2;font-variant-numeric:tabular-nums;
}
@media (min-width:768px){.tl-num{width:64px;height:64px;font-size:17px;border-radius:var(--r-md);}}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DFF0;}
.tl-body h3{margin-bottom:8px;}
.tl-body p{color:var(--ink-2);font-size:15px;}
.tl-tip{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:13px;
  border-radius:var(--r-sm);padding:8px 12px;
}
.tl-tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:3px 10px;margin-bottom:10px;
}

/* ---------- dual grid ---------- */
.dual-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.dual-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DFF0;}
.info-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.info-card-body{padding:20px 22px 24px;}
.badge{
  display:inline-block;font-size:12px;font-weight:600;border-radius:999px;padding:4px 12px;
  background:var(--brand-soft);color:var(--brand);margin-bottom:12px;
}
.badge-orange{background:var(--accent-soft);color:#B64A12;}
.info-card h3{margin-bottom:10px;}
.info-card p{color:var(--ink-2);font-size:14.5px;}
.mini-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.mini-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.mini-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--brand);margin-top:9px;
}

/* ---------- faq ---------- */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:28px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 54px 18px 20px;font-size:16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand);
  transition:transform 180ms ease-out,color 180ms ease-out;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-item[open]{border-left:3px solid var(--brand);}
.faq-body{padding:0 22px 20px;color:var(--ink-2);font-size:15px;}
.faq-body p + p{margin-top:10px;}

/* ---------- narrow cta ---------- */
.cta-card{
  background:linear-gradient(135deg,#EEF3FF 0%,#FFFFFF 100%);
  border:1px solid var(--brand);border-radius:var(--r-xl);
  padding:32px 24px;box-shadow:var(--sh-1);
}
@media (min-width:768px){.cta-card{padding:40px 44px;}}
.cta-inner{display:grid;gap:24px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.3fr 1fr;gap:44px;}}
.cta-card h2{margin-bottom:12px;}
.cta-card p{color:var(--ink-2);font-size:15px;max-width:520px;}
.field-row{display:flex;flex-direction:column;gap:12px;}
@media (min-width:640px){.field-row{flex-direction:row;}}
.field-row input{
  flex:1 1 auto;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;padding:0 16px;font-size:15px;color:var(--ink);width:100%;
  transition:border-color var(--t),box-shadow var(--t);
}
.field-row input::placeholder{color:#9AA6BC;}
.field-row input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,92,229,.18);}
.field-hint{font-size:12px;color:#7C879E;margin-top:12px;}

/* ---------- footer ---------- */
.site-footer{background:#F1F4FA;border-top:1px solid var(--line);margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 40px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:72px 0 48px;}}
.footer-brand .brand{margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--ink-2);max-width:340px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-sm);background:#fff;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
}
.footer-social a:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);text-decoration:none;}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--ink);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col p{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{background:#E9EEF8;border-top:1px solid var(--line);}
.footer-bottom-inner{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  padding:18px 0;font-size:13px;color:var(--ink-2);
}
.to-top{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink-2);}
.to-top:hover{color:var(--brand);text-decoration:none;}

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