/* roulang page: index */
:root{
  --brand:#1A56C4;
  --brand-dark:#0F3A8C;
  --brand-light:#E8EFFC;
  --accent:#0FA97D;
  --accent-light:#E4F6F0;
  --amber:#F0A020;
  --amber-light:#FEF3E0;
  --amber-text:#B8720C;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --alt:#F2F5FB;
  --text:#0E1B2E;
  --text-2:#4A5A75;
  --text-3:#8A97AC;
  --border:#E2E8F2;
  --divider:#EEF2F8;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --r-hero:20px;
  --sh1:0 8px 24px rgba(16,42,94,.06);
  --sh2:0 14px 32px rgba(16,42,94,.12);
  --sh3:0 20px 48px rgba(16,42,94,.14);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.4;color:var(--text);}
p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
@media (min-width:1440px){.container{max-width:1280px;}}
.section{padding:80px 0;}
.section-alt{background:var(--alt);}
.section-white{background:#fff;}
@media (max-width:767px){.section{padding:56px 0;}}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head p{margin-top:14px;font-size:16px;line-height:1.9;color:var(--text-2);}
@media (max-width:767px){
  .section-head h2{font-size:23px;}
  .section-head{margin-bottom:32px;}
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;background:none;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(26,86,196,.28);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.62);}
.btn-outline:hover{background:rgba(255,255,255,.15);color:#fff;border-color:#fff;}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--border);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:#C6D6F2;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#0B8D68;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,169,125,.26);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;}
.badge-brand{background:var(--brand-light);color:var(--brand);}
.badge-amber{background:var(--amber-light);color:var(--amber-text);}
.badge-accent{background:var(--accent-light);color:#0A7A5B;}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh1);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.card:hover{box-shadow:var(--sh2);transform:translateY(-3px);border-color:#D3DEF2;}
.card:hover .card-title{color:var(--brand);}
.card-title{transition:color .22s ease;}
.topbar{
  background:var(--brand-dark);color:#EAF0FB;font-size:13px;line-height:1.6;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:4px;padding-bottom:4px;}
.topbar p{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-close{
  flex:none;width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);background:transparent;color:#EAF0FB;
  font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease;
}
.topbar-close:hover{background:rgba(255,255,255,.16);}
.topbar.is-hidden{display:none;}
.site-header{
  position:sticky;top:0;z-index:900;background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(16,42,94,.08);}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;color:var(--text);font-size:18px;font-weight:700;letter-spacing:-.01em;}
.logo:hover{color:var(--brand);}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  box-shadow:0 6px 16px rgba(26,86,196,.28);
}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-menu > li{position:relative;}
.nav-menu > li > a{
  display:block;padding:9px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-2);position:relative;
  transition:color .2s ease,background-color .2s ease;
}
.nav-menu > li > a:hover{color:var(--brand);background:var(--brand-light);}
.nav-menu > li.is-active > a{color:var(--brand);font-weight:700;}
.nav-menu > li.is-active > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none;}
.mega-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:760px;
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--sh2);padding:26px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:700;margin-bottom:14px;}
.mega-col ul li{margin-bottom:8px;}
.mega-col ul li a{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;}
.mega-col ul li a:hover{color:var(--brand);}
.mega-col ul li a i{font-size:11px;color:var(--text-3);}
.mega-entry{
  border-radius:14px;overflow:hidden;border:1px solid var(--border);background:var(--alt);
}
.mega-entry img{width:100%;height:96px;object-fit:cover;}
.mega-entry .mega-entry-body{padding:12px 14px 14px;}
.mega-entry h5{font-size:14px;font-weight:700;margin:0 0 4px;color:var(--text);}
.mega-entry p{font-size:12px;color:var(--text-3);line-height:1.7;margin:0 0 8px;}
.mega-entry a{font-size:13px;font-weight:600;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (max-width:1023px){
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-actions{margin-left:8px;}
  .nav-actions .btn{display:none;}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;margin:0;
    background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--sh2);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 20px;
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;
    transition:max-height .3s ease,opacity .25s ease,visibility .25s ease;
  }
  .nav-menu.is-open{max-height:640px;opacity:1;visibility:visible;overflow-y:auto;}
  .nav-menu > li > a{padding:14px 6px;font-size:16px;border-bottom:1px solid var(--divider);border-radius:0;}
  .nav-menu > li.is-active > a::after{display:none;}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:none;border-radius:0;padding:12px 6px 4px;
    grid-template-columns:1fr;gap:18px;
  }
}
.hero{
  position:relative;background:var(--brand-dark) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;padding:92px 0 78px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(8,26,62,.94) 0%,rgba(15,58,140,.86) 48%,rgba(15,58,140,.60) 100%);
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,125,.28) 0%,rgba(15,169,125,0) 68%);
}
.hero .container{position:relative;z-index:2;}
.hero-inner{max-width:820px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:600;color:#EAF2FF;margin-bottom:22px;
}
.hero-badge i{color:var(--accent);}
.hero h1{
  font-size:clamp(30px,5vw,46px);line-height:1.2;font-weight:700;color:#fff;
  letter-spacing:-.01em;
}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.9;color:#C9D8F5;max-width:680px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-trust{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:56px;padding-top:28px;border-top:1px solid rgba(255,255,255,.18);
}
.hero-trust-item{display:flex;gap:10px;align-items:flex-start;}
.hero-trust-item i{
  flex:none;width:32px;height:32px;border-radius:9px;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:14px;
}
.hero-trust-item strong{display:block;font-size:15px;color:#fff;font-weight:600;line-height:1.6;}
.hero-trust-item span{display:block;font-size:13px;color:#9FB5DE;line-height:1.7;}
@media (max-width:1023px){
  .hero{padding:72px 0 60px;}
  .hero-trust{grid-template-columns:repeat(2,1fr);gap:20px 16px;margin-top:42px;}
}
@media (max-width:520px){
  .hero{padding:56px 0 48px;}
  .hero-trust{grid-template-columns:1fr;}
  .hero-cta .btn{width:100%;}
}
.pain-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.pain-card{padding:26px 26px 24px;position:relative;overflow:hidden;}
.pain-card::before{
  content:"";position:absolute;left:26px;top:0;width:44px;height:3px;
  background:var(--brand);border-radius:0 0 3px 3px;
}
.pain-card h3{font-size:18px;line-height:1.5;margin-bottom:12px;}
.pain-card p{font-size:14.5px;color:var(--text-2);line-height:1.85;}
.pain-card .badge{margin-bottom:14px;}
.pain-1{grid-column:span 6;}
.pain-2{grid-column:span 6;}
.pain-3{grid-column:span 4;}
.pain-4{grid-column:span 8;}
@media (max-width:1023px){
  .pain-1,.pain-2,.pain-3,.pain-4{grid-column:span 6;}
}
@media (max-width:767px){
  .pain-1,.pain-2,.pain-3,.pain-4{grid-column:span 12;}
}
.solution-top{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;margin-bottom:22px;}
.sol-a{grid-column:span 7;display:flex;overflow:hidden;}
.sol-a .sol-media{flex:none;width:46%;min-height:100%;}
.sol-a .sol-media img{width:100%;height:100%;object-fit:cover;}
.sol-a .sol-body{padding:28px;display:flex;flex-direction:column;justify-content:center;}
.sol-b{grid-column:span 5;overflow:hidden;display:flex;flex-direction:column;}
.sol-b .sol-media img{width:100%;height:190px;object-fit:cover;}
.sol-b .sol-body{padding:24px 26px 26px;}
.sol-card h3{font-size:19px;line-height:1.5;margin-bottom:10px;}
.sol-card p{font-size:14.5px;color:var(--text-2);line-height:1.85;}
.sol-card .badge{margin-bottom:12px;}
.solution-bottom{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.mini-card{overflow:hidden;display:flex;flex-direction:column;}
.mini-card img{width:100%;height:140px;object-fit:cover;}
.mini-card .mini-body{padding:20px 22px 22px;}
.mini-card h4{font-size:16px;line-height:1.55;margin-bottom:8px;}
.mini-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
@media (max-width:1023px){
  .sol-a,.sol-b{grid-column:span 12;}
  .sol-a{flex-direction:column;}
  .sol-a .sol-media{width:100%;height:220px;}
  .solution-bottom{grid-template-columns:1fr;}
}
.stat-grid{margin-top:8px;}
.stat-card{padding:26px 24px;}
.stat-card .stat-num{
  font-family:var(--font-num);font-size:38px;line-height:1.1;font-weight:700;
  color:var(--accent);letter-spacing:-.01em;font-variant-numeric:tabular-nums;
}
.stat-card .stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--accent);}
.stat-card .stat-label{margin-top:10px;font-size:15px;font-weight:600;color:var(--text);}
.stat-card .stat-desc{margin-top:6px;font-size:13.5px;color:var(--text-3);line-height:1.75;}
.news-grid{margin-top:4px;}
.news-card{display:flex;flex-direction:column;overflow:hidden;height:100%;}
.news-card .news-thumb{position:relative;background:var(--alt);}
.news-card .news-thumb img{width:100%;height:172px;object-fit:cover;}
.news-card .news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-card .news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px;}
.news-card .news-time{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.news-card h3{font-size:17px;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .news-excerpt{
  font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-card .news-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.news-empty{
  background:#fff;border:1px dashed #C9D6EE;border-radius:var(--r-card);
  padding:48px 24px;text-align:center;color:var(--text-2);
}
.news-empty i{display:block;font-size:26px;color:var(--brand);margin-bottom:14px;}
.news-empty strong{display:block;font-size:17px;margin-bottom:8px;color:var(--text);}
.news-empty p{font-size:14px;color:var(--text-3);margin-bottom:16px;}
.faq-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh1);padding:6px 26px;}
.faq-item{border-bottom:1px solid var(--divider);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 0;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary::after{
  content:"+";flex:none;font-size:20px;font-weight:400;color:var(--brand);
  transition:transform .25s ease;line-height:1;
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 0 20px;font-size:15px;color:var(--text-2);line-height:1.9;max-width:920px;}
@media (max-width:767px){
  .faq-list{padding:4px 18px;}
  .faq-item summary{font-size:15px;padding:14px 0;}
}
.contact-wrap{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  background:var(--brand-dark) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  box-shadow:var(--sh3);
}
.contact-wrap::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(9,28,66,.95) 0%,rgba(15,58,140,.88) 55%,rgba(15,58,140,.72) 100%);
}
.contact-inner{position:relative;z-index:2;padding:56px 52px;display:grid;grid-template-columns:1fr 460px;gap:52px;}
.contact-copy h2{font-size:28px;color:#fff;line-height:1.35;}
.contact-copy > p{margin-top:16px;font-size:15.5px;color:#C2D3F2;line-height:1.9;max-width:520px;}
.contact-points{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.contact-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#D6E2F8;}
.contact-points li i{color:var(--accent);margin-top:6px;font-size:13px;}
.lead-form{
  background:#fff;border-radius:var(--r-card);padding:28px;
  box-shadow:var(--sh2);
}
.lead-form h3{font-size:19px;margin-bottom:6px;}
.lead-form .form-hint{font-size:13.5px;color:var(--text-3);margin-bottom:20px;line-height:1.7;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--border);background:#FBFCFE;
  font-size:15px;color:var(--text);line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:108px;padding:12px 14px;resize:vertical;line-height:1.75;}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A97AC' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(26,86,196,.16);
}
.field.has-error input,.field.has-error textarea{border-color:#D93A3A;box-shadow:0 0 0 3px rgba(217,58,58,.14);}
.field .field-error{display:none;font-size:12.5px;color:#D93A3A;margin-top:6px;}
.field.has-error .field-error{display:block;}
.privacy-note{margin-top:12px;font-size:13px;color:var(--text-3);line-height:1.75;}
.form-success{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-input);
  background:var(--accent-light);color:#0A7A5B;font-size:14px;line-height:1.7;
}
.form-success.is-visible{display:block;}
@media (max-width:1023px){
  .contact-inner{grid-template-columns:1fr;gap:36px;padding:44px 32px;}
  .contact-copy h2{font-size:24px;}
}
@media (max-width:520px){
  .contact-inner{padding:32px 18px;}
  .lead-form{padding:22px 18px;}
}
.modal-mask{
  position:fixed;inset:0;z-index:1200;background:rgba(9,22,48,.62);
  display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-mask.is-open{display:flex;}
.modal-box{
  width:100%;max-width:520px;background:#fff;border-radius:var(--r-card);
  box-shadow:var(--sh3);padding:30px;max-height:90vh;overflow-y:auto;position:relative;
  animation:modalIn .25s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.modal-close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:background-color .2s ease,color .2s ease;
}
.modal-close:hover{background:var(--brand-light);color:var(--brand);}
.modal-box h3{font-size:20px;margin-bottom:6px;padding-right:40px;}
.modal-box .form-hint{font-size:13.5px;color:var(--text-3);margin-bottom:20px;line-height:1.7;}
@media (max-width:520px){.modal-box{padding:22px 18px;}}
.site-footer{background:#0B1A33;color:#9FB0CC;padding:64px 0 0;margin-top:0;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-desc{font-size:14px;line-height:1.85;color:#8FA2C2;max-width:320px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:#9FB0CC;}
.footer-col ul li a:hover{color:#fff;}
.footer-col p{font-size:14px;color:#8FA2C2;line-height:1.85;margin-bottom:10px;}
.footer-col p strong{color:#E4ECFA;font-weight:600;}
.footer-divider{height:1px;background:rgba(255,255,255,.1);margin:44px 0 0;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13px;color:#7C8EAE;
}
.footer-bottom a{color:#9FB0CC;}
.footer-bottom a:hover{color:#fff;}
@media (max-width:1023px){
  .footer-col{margin-bottom:32px;}
}
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:800;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--brand);box-shadow:var(--sh2);
  display:flex;align-items:center;justify-content:center;font-size:15px;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .25s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}
@media (max-width:520px){.to-top{right:14px;bottom:16px;}}
.grid-x > .cell{padding-left:0;padding-right:0;}
.grid-margin-x{margin-left:-11px;margin-right:-11px;}
.grid-margin-x > .cell{padding-left:11px;padding-right:11px;}
.grid-margin-y{margin-top:-11px;}
.grid-margin-y > .cell{padding-top:11px;padding-bottom:11px;}
.foundation-reveal-none{display:none !important;}

/* roulang page: article */
:root{
  --blue:#1A56C4;
  --blue-dark:#0F3A8C;
  --blue-light:#E8EFFC;
  --green:#0FA97D;
  --green-light:#E6F7F1;
  --amber:#F0A020;
  --amber-light:#FEF4E4;
  --bg:#F6F8FC;
  --bg-alt:#F2F5FB;
  --card:#FFFFFF;
  --text:#0E1B2E;
  --text-2:#4A5A75;
  --text-3:#8A97AC;
  --border:#E2E8F2;
  --divider:#EEF2F8;
  --danger:#D93A3A;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 8px 24px rgba(16,42,94,.06);
  --sh-2:0 14px 32px rgba(16,42,94,.12);
  --sh-3:0 20px 48px rgba(16,42,94,.14);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,"Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow","DIN Alternate","Segoe UI",system-ui,sans-serif;
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--blue);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--blue-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px;}
@media (min-width:1440px){.container{max-width:1280px;}}
@media (max-width:767px){.container{padding:0 20px;}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--blue-dark);color:#D5E1F8;font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px;}
.topbar-left{display:flex;align-items:center;gap:10px;}
.topbar-left i{color:var(--green);}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-right a{color:#D5E1F8;}
.topbar-right a:hover{color:#fff;}
.topbar-close{color:#93A9D4;font-size:14px;line-height:1;padding:4px 6px;border-radius:6px;}
.topbar-close:hover{background:rgba(255,255,255,.12);color:#fff;}
@media (max-width:767px){.topbar-right{display:none;}.topbar{font-size:12px;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,42,94,.08);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);letter-spacing:.2px;flex-shrink:0;}
.logo:hover{color:var(--text);}
.logo-mark{
  width:36px;height:36px;flex-shrink:0;
  border-radius:10px;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:700;
  box-shadow:0 6px 14px rgba(26,86,196,.28);
}
.nav-menu{display:flex;align-items:center;gap:2px;}
.nav-menu > li{position:relative;}
.nav-menu > li > a{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-2);
  position:relative;
}
.nav-menu > li > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;
  background:var(--blue);transform:scaleX(0);transform-origin:center;transition:transform .2s ease;
}
.nav-menu > li > a:hover{color:var(--blue);background:var(--blue-light);}
.nav-menu > li > a:hover::after{transform:scaleX(1);}
.nav-menu > li.is-active > a{color:var(--blue);font-weight:600;}
.nav-menu > li.is-active > a::after{transform:scaleX(1);}
.nav-menu > li > a i{font-size:11px;color:var(--text-3);}

.mega-panel{
  position:absolute;right:0;top:calc(100% + 10px);
  width:720px;padding:24px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:1px;margin-bottom:12px;}
.mega-col ul{display:flex;flex-direction:column;gap:4px;}
.mega-col ul a{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--text-2);line-height:1.5;}
.mega-col ul a i{font-size:10px;color:var(--blue);flex-shrink:0;}
.mega-col ul a:hover{background:var(--blue-light);color:var(--blue);}
.mega-entry{border:1px solid var(--border);border-radius:12px;overflow:hidden;}
.mega-entry img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-alt);}
.mega-entry-body{padding:14px;}
.mega-entry-body h5{font-size:15px;font-weight:700;margin-bottom:6px;}
.mega-entry-body p{font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:10px;}
.mega-entry-body a{font-size:13px;font-weight:600;}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--border);color:var(--text);font-size:17px;
}
.nav-toggle:hover{background:var(--blue-light);color:var(--blue);border-color:var(--blue-light);}

@media (max-width:1023px){
  .nav-toggle{display:grid;place-items:center;}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--border);
    flex-direction:column;align-items:stretch;gap:0;
    padding:10px 20px 20px;
    box-shadow:var(--sh-2);
    display:none;
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu > li > a{padding:13px 12px;border-radius:10px;font-size:15px;}
  .nav-menu > li > a::after{display:none;}
  .nav-menu > li.is-active > a{background:var(--blue-light);}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    display:block;box-shadow:none;border:0;border-top:1px dashed var(--border);
    padding:12px 0 4px;margin-top:6px;border-radius:0;
  }
  .mega-col + .mega-col{margin-top:16px;}
  .mega-entry{display:none;}
}

/* ============ 面包屑 ============ */
.crumbs{background:var(--bg-alt);border-bottom:1px solid var(--border);padding:14px 0;}
.crumbs .container{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--blue);}
.crumbs .sep{color:#C3CEDF;}
.crumbs .current{color:var(--text);font-weight:500;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-hero{padding:44px 0 0;}
.article-hero-inner{max-width:840px;margin:0 auto;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--blue-light);color:var(--blue);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.badge-amber{background:var(--amber-light);color:#B4770A;}
.badge-green{background:var(--green-light);color:var(--green);}
.article-title{
  font-size:clamp(30px,5vw,46px);
  line-height:1.25;font-weight:700;letter-spacing:-.3px;
  margin:18px 0 16px;
}
.article-lead{font-size:17px;line-height:1.9;color:var(--text-2);margin-bottom:22px;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--text-3);padding-bottom:26px;border-bottom:1px solid var(--divider);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--blue);font-size:12px;}
.article-cover{margin:28px 0 0;}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:20px;background:var(--bg-alt);box-shadow:var(--sh-3);
}
.article-cover figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:12px;}

/* ============ 正文 ============ */
.article-main{padding:0 0 20px;}
.article-body{
  max-width:800px;margin:44px auto 0;
  font-size:16px;line-height:1.95;color:var(--text);
  overflow-x:auto;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:clamp(22px,3vw,28px);line-height:1.45;font-weight:700;
  margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--blue);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;margin:32px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px;}
.article-body ul li{list-style:disc;margin-bottom:9px;}
.article-body ol li{list-style:decimal;margin-bottom:9px;}
.article-body li::marker{color:var(--blue);}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--blue-light);
  border-left:3px solid var(--blue);
  border-radius:0 12px 12px 0;
  color:var(--text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{max-width:100%;height:auto;border-radius:12px;margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--blue-dark);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;min-width:520px;}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left;}
.article-body th{background:var(--bg-alt);font-weight:700;color:var(--text);}
.article-body strong{font-weight:700;color:var(--text);}
.article-body hr{border:0;border-top:1px solid var(--divider);margin:36px 0;}

.article-empty{
  max-width:800px;margin:56px auto;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:48px 32px;text-align:center;
}
.article-empty i{font-size:34px;color:var(--blue);margin-bottom:18px;display:block;}
.article-empty h2{font-size:24px;font-weight:700;margin-bottom:12px;}
.article-empty p{color:var(--text-2);margin-bottom:24px;}

/* ============ 标签 ============ */
.tag-block{
  max-width:800px;margin:40px auto 0;padding-top:26px;
  border-top:1px solid var(--divider);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.tag-block .tag-label{font-size:13px;color:var(--text-3);}
.tag{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--border);
  font-size:13px;color:var(--text-2);transition:all .2s ease;
}
.tag:hover{background:var(--blue-light);border-color:var(--blue-light);color:var(--blue);}

/* ============ 上一篇 / 下一篇 ============ */
.post-nav{max-width:800px;margin:32px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.post-nav-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:18px 20px;box-shadow:var(--sh-1);transition:all .2s ease;
}
.post-nav-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6E2F8;}
.post-nav-item .pn-dir{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:6px;margin-bottom:8px;}
.post-nav-item .pn-title{font-size:15px;font-weight:600;color:var(--text);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-nav-item:hover .pn-title{color:var(--blue);}
.post-nav-next{text-align:right;}
.post-nav-next .pn-dir{justify-content:flex-end;}
@media (max-width:640px){.post-nav{grid-template-columns:1fr;}.post-nav-next{text-align:left;}.post-nav-next .pn-dir{justify-content:flex-start;}}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
@media (max-width:767px){.section{padding:56px 0;}}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:1.6px;margin-bottom:10px;display:block;}
.sec-title{font-size:clamp(24px,3.2vw,28px);line-height:1.35;font-weight:700;}
.sec-sub{margin-top:12px;color:var(--text-2);font-size:15.5px;}

/* ============ 卡片 ============ */
.card{
  position:relative;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:44px;
  background:var(--blue);border-radius:0 3px 3px 0;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6E2F8;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-alt);}
.card-body{padding:24px 26px 26px;}
.card-body h3{font-size:19px;line-height:1.5;font-weight:700;margin-bottom:10px;transition:color .2s ease;}
.card:hover .card-body h3{color:var(--blue);}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.card-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3);margin-top:16px;padding-top:14px;border-top:1px solid var(--divider);}
.card-meta i{color:var(--blue);font-size:12px;margin-right:5px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:all .2s ease;border:1px solid transparent;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(26,86,196,.22);}
.btn-primary:hover{background:#1749AC;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(26,86,196,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--blue);border-color:#C9DBF7;}
.btn-ghost:hover{background:var(--blue-light);color:var(--blue-dark);border-color:var(--blue-light);}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(26,86,196,.28);}

/* ============ CTA ============ */
.cta-band{background:var(--blue-light);border-top:1px solid #D8E5FB;border-bottom:1px solid #D8E5FB;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:44px 0;
}
.cta-text h2{font-size:clamp(22px,3vw,27px);font-weight:700;margin-bottom:10px;}
.cta-text p{font-size:15.5px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:640px){.cta-actions{width:100%;}.cta-actions .btn{flex:1;}}

/* ============ 页脚 ============ */
.site-footer{background:#0E1B2E;color:#A9B7CC;padding:64px 0 0;font-size:14px;}
.site-footer .footer-col{padding-bottom:28px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-desc{font-size:13.5px;line-height:1.85;color:#8E9DB6;max-width:280px;}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul a{color:#A9B7CC;font-size:14px;}
.site-footer ul a:hover{color:#fff;}
.site-footer p{margin:0 0 10px;font-size:13.5px;line-height:1.8;color:#8E9DB6;}
.site-footer p strong{color:#C7D3E6;font-weight:600;}
.footer-divider{height:1px;background:rgba(255,255,255,.09);margin-top:16px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13px;color:#7C8BA3;
}
@media (max-width:1023px){
  .site-footer{padding-top:48px;}
  .site-footer .footer-col{border-bottom:1px solid rgba(255,255,255,.07);padding-bottom:22px;margin-bottom:4px;}
  .site-footer .footer-col:last-child{border-bottom:0;}
}
@media (max-width:640px){.footer-bottom{flex-direction:column;align-items:flex-start;}}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:1023px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.related-grid{grid-template-columns:1fr;}}

/* roulang page: category1 */
:root{
  --primary:#1A56C4;
  --primary-dark:#0F3A8C;
  --primary-light:#E8EFFC;
  --accent:#0FA97D;
  --accent-light:#E3F7F0;
  --amber:#F0A020;
  --amber-light:#FDF3E2;
  --bg:#F6F8FC;
  --bg-alt:#F2F5FB;
  --card:#FFFFFF;
  --text-1:#0E1B2E;
  --text-2:#4A5A75;
  --text-3:#8A97AC;
  --border:#E2E8F2;
  --divider:#EEF2F8;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 8px 24px rgba(16,42,94,.06);
  --shadow-2:0 14px 32px rgba(16,42,94,.12);
  --shadow-hero:0 20px 48px rgba(16,42,94,.14);
  --space-section:80px;
  --container:1200px;
  --font-cn:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text-1);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){
  .container{max-width:1280px;padding:0 32px;}
}

/* ============ 顶部信息条 ============ */
.top-strip{
  background:var(--primary-dark);
  color:#D9E4FA;
  font-size:13px;
  line-height:1;
}
.top-strip .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  padding-top:8px;
  padding-bottom:8px;
}
.top-strip strong{color:#fff;font-weight:600;}
.top-strip-close{
  background:transparent;
  border:1px solid rgba(255,255,255,.35);
  color:#D9E4FA;
  border-radius:999px;
  font-size:12px;
  padding:3px 12px;
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.top-strip-close:hover{background:rgba(255,255,255,.16);color:#fff;}
.top-strip.is-hidden{display:none;}
@media (max-width:767px){
  .top-strip .container{flex-direction:column;align-items:flex-start;gap:6px;}
  .top-strip-grow{display:none;}
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(16,42,94,.08);}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:70px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--text-1);
  letter-spacing:.2px;
  white-space:nowrap;
}
.logo:hover{color:var(--primary);}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  font-size:17px;
  font-weight:700;
  letter-spacing:0;
  box-shadow:0 6px 16px rgba(26,86,196,.28);
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-menu > li{position:relative;}
.nav-menu > li > a{
  display:block;
  padding:0 14px;
  line-height:70px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-bottom:3px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.nav-menu > li > a:hover{color:var(--primary);}
.nav-menu > li.is-active > a{color:var(--primary);border-bottom-color:var(--primary);font-weight:600;}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  color:var(--text-1);
  font-size:17px;
  cursor:pointer;
}

/* Mega panel */
.has-mega .mega-panel{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  width:800px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
  padding:24px;
  display:grid;
  grid-template-columns:1fr 1fr 1.1fr;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel,
.has-mega.is-open .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-col h4{
  font-size:13px;
  font-weight:600;
  color:var(--text-3);
  letter-spacing:.6px;
  margin-bottom:12px;
}
.mega-col ul li{margin-bottom:8px;}
.mega-col ul li a{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
  padding:7px 10px;
  border-radius:8px;
  background:#fff;
}
.mega-col ul li a i{font-size:10px;color:var(--primary);opacity:.7;}
.mega-col ul li a:hover{background:var(--primary-light);color:var(--primary);}
.mega-entry{
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
}
.mega-entry img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
  background:#E7EDF7;
}
.mega-entry-body{padding:16px;}
.mega-entry-body h5{font-size:15px;margin-bottom:6px;}
.mega-entry-body p{font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:10px;}
.mega-entry-body a{font-size:13px;font-weight:600;}

@media (min-width:1024px) and (max-width:1199px){
  .has-mega .mega-panel{width:700px;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;
    top:0;
    right:0;
    width:min(88vw,360px);
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:88px 20px 32px;
    overflow-y:auto;
    box-shadow:-14px 0 40px rgba(16,42,94,.16);
    transform:translateX(102%);
    transition:transform .28s ease;
    z-index:70;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu > li > a{
    line-height:1.4;
    padding:14px 12px;
    border-bottom:none;
    border-left:3px solid transparent;
    border-radius:8px;
    font-size:16px;
  }
  .nav-menu > li.is-active > a{border-bottom:none;border-left-color:var(--primary);background:var(--primary-light);}
  .has-mega .mega-panel{
    position:static;
    width:100%;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:none;
    background:var(--bg-alt);
    padding:14px;
    display:none;
    grid-template-columns:1fr;
    gap:16px;
    margin-top:6px;
  }
  .has-mega.is-open .mega-panel{display:grid;}
  .nav-menu > li.has-mega > a::after{
    content:"\f107";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    font-size:12px;
    margin-left:8px;
    color:var(--text-3);
  }
  .nav-backdrop{
    position:fixed;
    inset:0;
    background:rgba(14,27,46,.42);
    opacity:0;
    visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;
    z-index:65;
  }
  .nav-backdrop.is-open{opacity:1;visibility:visible;}
}

/* ============ 通用区块 ============ */
.section{padding:var(--space-section) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-light);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
.section-head h2{font-size:28px;line-height:1.35;margin-bottom:12px;}
.section-head p{font-size:16px;color:var(--text-2);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(26,86,196,.24);}
.btn-primary:hover{background:#1649AB;color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(26,86,196,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--primary);border-color:rgba(26,86,196,.4);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary);}
.btn-light{background:#fff;color:var(--primary);border-color:#fff;}
.btn-light:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,0 0 0 4px rgba(26,86,196,.55);}
.btn-block{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:92px 0 84px;
  background-image:linear-gradient(115deg,rgba(15,58,140,.92) 0%,rgba(16,42,94,.86) 55%,rgba(14,27,46,.82) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-80px;
  width:420px;
  height:420px;
  background-image:radial-gradient(rgba(255,255,255,.22) 1.6px,transparent 1.6px);
  background-size:18px 18px;
  opacity:.5;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:#DCE7FB;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  border-radius:999px;
  padding:6px 16px;
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,5vw,46px);
  line-height:1.2;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.3px;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:#D6E2F7;
  max-width:700px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:12px 36px;
  border-top:1px solid rgba(255,255,255,.18);
  padding-top:22px;
}
.hero-trust li{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:#DCE7FB;
}
.hero-trust li i{color:#5FE0B4;font-size:14px;}

@media (max-width:767px){
  .hero{padding:64px 0 60px;}
  .hero::after{display:none;}
  .hero-actions .btn{width:100%;}
  .hero-trust{gap:10px 20px;}
}

/* ============ 数据条 ============ */
.stat-strip{
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:0;
}
.stat-grid{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr 1fr;
  gap:0;
}
.stat-cell{
  padding:30px 24px;
  border-left:1px solid var(--divider);
}
.stat-cell:first-child{border-left:none;padding-left:0;}
.stat-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:34px;
  font-weight:700;
  color:var(--accent);
  line-height:1.1;
  margin-bottom:6px;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:2px;}
.stat-label{font-size:14px;color:var(--text-2);line-height:1.6;}
@media (max-width:1023px){
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-cell{padding:24px 18px;border-top:1px solid var(--divider);}
  .stat-cell:nth-child(odd){border-left:none;padding-left:0;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-top:none;}
}
@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr;}
  .stat-cell{padding:20px 0;border-left:none;}
  .stat-cell:nth-child(2){border-top:1px solid var(--divider);}
}

/* ============ 要点卡 ============ */
.point-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.point-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
  overflow:hidden;
}
.point-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:3px;
  height:100%;
  background:var(--primary);
  opacity:.9;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.point-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:18px;
  margin-bottom:16px;
}
.point-card h3{font-size:18px;line-height:1.5;margin-bottom:10px;}
.point-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  border-radius:999px;
  padding:3px 12px;
  background:var(--primary-light);
  color:var(--primary);
  line-height:1.6;
}
.tag-amber{background:var(--amber-light);color:#B7730A;}
.tag-accent{background:var(--accent-light);color:#0A7A5A;}
@media (max-width:1023px){.point-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:639px){.point-grid{grid-template-columns:1fr;}}

/* ============ 交替图文 ============ */
.feature-row{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:56px;
  align-items:center;
  padding:36px 0;
  border-bottom:1px dashed var(--border);
}
.feature-row:last-child{border-bottom:none;padding-bottom:0;}
.feature-row:first-child{padding-top:0;}
.feature-row.reverse .feature-media{order:2;}
.feature-row.reverse .feature-body{order:1;}
.feature-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  background:#E7EDF7;
}
.feature-body h3{font-size:22px;line-height:1.45;margin-bottom:14px;}
.feature-body p{font-size:15px;color:var(--text-2);margin-bottom:18px;}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-2);
  margin-bottom:10px;
}
.check-list li i{color:var(--accent);font-size:14px;margin-top:7px;}
@media (max-width:900px){
  .feature-row{grid-template-columns:1fr;gap:26px;padding:28px 0;}
  .feature-row.reverse .feature-media{order:1;}
  .feature-row.reverse .feature-body{order:2;}
}

/* ============ 关联入口 ============ */
.link-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:24px;
}
.link-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFDDF5;}
.link-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;background:#E7EDF7;}
.link-card-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.link-card-body h3{font-size:18px;margin:12px 0 10px;line-height:1.5;}
.link-card:hover .link-card-body h3{color:var(--primary);}
.link-card-body p{font-size:14px;color:var(--text-2);margin-bottom:16px;flex:1;}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
@media (max-width:1023px){.link-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:639px){.link-grid{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{
  background:transparent;
  border:none;
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  border:1px solid var(--border);
}
.accordion .accordion-item{border:none;background:#fff;}
.accordion .accordion-item + .accordion-item{border-top:1px solid var(--divider);}
.accordion .accordion-title{
  display:block;
  padding:19px 56px 19px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
  background:#fff;
  border:none;
  position:relative;
  line-height:1.6;
  transition:color .2s ease,background-color .2s ease;
}
.accordion .accordion-title:hover{color:var(--primary);background:#FAFCFF;}
.accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--primary);
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  margin:0;
  width:auto;
  height:auto;
  line-height:1;
  transition:transform .2s ease;
}
.accordion .accordion-item.is-active .accordion-title{color:var(--primary);}
.accordion .accordion-item.is-active .accordion-title::before{content:"\f068";}
.accordion .accordion-content{
  padding:0 24px 22px;
  background:#fff;
  border:none;
  color:var(--text-2);
  font-size:15px;
  line-height:1.9;
}
.accordion .accordion-content p{margin:0;}

/* ============ CTA ============ */
.cta-section{padding:0 0 var(--space-section);}
.cta-box{
  background:var(--primary-light);
  border:1px solid #D3E0F8;
  border-radius:20px;
  padding:48px;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:36px;
  align-items:center;
}
.cta-box h2{font-size:26px;line-height:1.4;margin-bottom:12px;}
.cta-box p{font-size:15px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
@media (max-width:900px){
  .cta-box{grid-template-columns:1fr;padding:32px 24px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:#0E1B2E;
  color:#A9B6CC;
  padding:64px 0 28px;
  font-size:14px;
}
.site-footer .grid-margin-x{margin-left:-12px;margin-right:-12px;}
.site-footer .cell{padding-left:12px;padding-right:12px;}
.footer-col{margin-bottom:32px;}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .logo-mark{width:34px;height:34px;font-size:16px;}
.footer-desc{color:#93A2BC;line-height:1.85;font-size:14px;}
.site-footer h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  font-weight:600;
}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul li a{
  color:#A9B6CC;
  font-size:14px;
  transition:color .2s ease;
}
.site-footer ul li a:hover{color:#fff;}
.site-footer p{margin-bottom:8px;color:#93A2BC;font-size:14px;line-height:1.8;}
.site-footer p strong{color:#D6E0F0;font-weight:600;}
.footer-divider{height:1px;background:rgba(255,255,255,.1);margin:16px 0 22px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  justify-content:space-between;
  font-size:13px;
  color:#7E8CA6;
}
@media (max-width:639px){
  .site-footer{padding:44px 0 22px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --brand:#1A56C4;
  --brand-dark:#0F3A8C;
  --brand-light:#E8EFFC;
  --accent:#0FA97D;
  --accent-light:#E4F7F0;
  --amber:#F0A020;
  --amber-light:#FDF3E2;
  --bg:#F6F8FC;
  --bg-alt:#F2F5FB;
  --card:#FFFFFF;
  --text:#0E1B2E;
  --text-2:#4A5A75;
  --text-3:#8A97AC;
  --line:#E2E8F2;
  --line-2:#EEF2F8;
  --danger:#D93A3A;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(16,42,94,.06);
  --sh-2:0 14px 32px rgba(16,42,94,.12);
  --sh-3:0 20px 48px rgba(16,42,94,.14);
  --container:1200px;
  --num-font:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;line-height:1.35;}
p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){
  .container{padding:0 32px;}
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:72px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
}
.logo:hover{color:var(--brand-dark);}
.logo-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;
  flex:0 0 auto;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-menu > li > a{
  display:block;
  padding:9px 13px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  font-weight:500;
}
.nav-menu > li > a:hover{color:var(--brand);background:var(--brand-light);}
.nav-menu > li.is-active > a{
  color:var(--brand);
  font-weight:700;
  background:var(--brand-light);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  color:var(--text);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

.has-mega{position:relative;}
.has-mega > a::after{
  content:"\f107";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:11px;
  margin-left:6px;
  opacity:.7;
}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:680px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--sh-2);
  padding:24px;
  display:grid;
  grid-template-columns:1fr 1fr 1.05fr;
  gap:22px;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  z-index:90;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel,
.has-mega.is-open .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-col h4{
  font-size:14px;
  color:var(--brand);
  margin-bottom:12px;
  letter-spacing:.04em;
}
.mega-col ul li{margin-bottom:4px;}
.mega-col ul li a{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
  padding:7px 8px;
  border-radius:8px;
  line-height:1.5;
}
.mega-col ul li a:hover{background:var(--brand-light);color:var(--brand);}
.mega-col ul li a i{font-size:10px;color:var(--brand);opacity:.65;}
.mega-entry{
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.mega-entry img{width:100%;height:118px;object-fit:cover;border-radius:0;}
.mega-entry-body{padding:14px 16px 16px;}
.mega-entry-body h5{font-size:15px;margin-bottom:6px;}
.mega-entry-body p{font-size:13px;color:var(--text-3);line-height:1.7;margin-bottom:8px;}
.mega-entry-body a{font-size:13px;font-weight:600;}

@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .nav-menu{
    position:fixed;
    top:72px;
    left:0;right:0;bottom:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:14px 20px 60px;
    overflow-y:auto;
    transform:translateX(-100%);
    transition:transform .28s ease;
    z-index:70;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu > li > a{
    padding:15px 10px;
    font-size:16px;
    border-bottom:1px solid var(--line-2);
    border-radius:0;
    background:transparent;
  }
  .nav-menu > li.is-active > a{background:transparent;}
  .mega-panel{
    position:static;
    width:auto;
    display:none;
    box-shadow:none;
    border:none;
    border-radius:0;
    padding:10px 0 6px 10px;
    grid-template-columns:1fr;
    gap:16px;
    opacity:1;
    visibility:visible;
    transform:none;
  }
  .has-mega.is-open .mega-panel{display:grid;}
  .mega-entry{display:none;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(26,86,196,.22);}
.btn-primary:hover{background:#164ab0;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#BFD3F2;}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:76px 0 68px;
  background:var(--bg-alt);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.14;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(96deg,rgba(246,248,252,.97) 0%,rgba(246,248,252,.9) 42%,rgba(242,245,251,.68) 100%);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(26,86,196,.05) 0 2px,transparent 2px 22px);
  opacity:.7;
}
.cat-hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid #CFDDF5;
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:var(--r-pill);
  margin-bottom:18px;
}
.hero-badge i{color:var(--accent);}
h1{
  font-size:clamp(30px,5vw,46px);
  line-height:1.2;
  margin-bottom:18px;
  letter-spacing:-.01em;
}
.hero-lead{
  font-size:17px;
  color:var(--text-2);
  max-width:640px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-points{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 22px;
  max-width:620px;
}
.hero-points li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:14px;
  color:var(--text-2);
}
.hero-points li i{
  color:var(--accent);
  font-size:13px;
  margin-top:7px;
}
.hero-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:26px;
  box-shadow:var(--sh-3);
}
.hero-card h3{
  font-size:17px;
  margin-bottom:6px;
}
.hero-card > p{
  font-size:13px;
  color:var(--text-3);
  margin-bottom:16px;
}
.quick-list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
  color:var(--text-2);
}
.quick-list li:last-child{border-bottom:none;padding-bottom:0;}
.quick-list li span{
  display:flex;
  align-items:center;
  gap:8px;
}
.quick-list li i{color:var(--brand);font-size:13px;}
.quick-list li a{font-size:13px;font-weight:600;}

/* ---------- Sections ---------- */
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:780px;margin-bottom:42px;}
.section-head h2{font-size:28px;margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-light);
  padding:5px 14px;
  border-radius:var(--r-pill);
  margin-bottom:14px;
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:24px;}
  .cat-hero{padding:52px 0 46px;}
  .hero-points{grid-template-columns:1fr;}
}

/* ---------- Stats ---------- */
.stat-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  height:100%;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.stat-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.stat-num{
  font-family:var(--num-font);
  font-variant-numeric:tabular-nums;
  font-size:34px;
  font-weight:700;
  color:var(--accent);
  line-height:1.1;
  margin-bottom:8px;
  letter-spacing:-.01em;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--text-2);}
.stat-card h3{font-size:16px;margin-bottom:6px;}
.stat-card p{font-size:14px;color:var(--text-3);line-height:1.75;}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:12px;
  bottom:12px;
  width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,#C9D9F5 100%);
}
.tl-item{
  position:relative;
  padding:0 0 24px 60px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:0;top:0;
  width:40px;height:40px;
  border-radius:12px;
  background:#fff;
  border:1px solid #CFDDF5;
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num-font);
  font-weight:700;
  font-size:16px;
  box-shadow:var(--sh-1);
}
.tl-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease;
}
.tl-card:hover{box-shadow:var(--sh-2);}
.tl-card h3{font-size:19px;margin-bottom:8px;}
.tl-card p{font-size:15px;color:var(--text-2);margin-bottom:12px;}
.tl-list li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:14px;
  color:var(--text-2);
  padding:5px 0;
}
.tl-list li i{color:var(--accent);font-size:12px;margin-top:8px;}
.tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-light);
  padding:4px 11px;
  border-radius:var(--r-pill);
  margin-bottom:10px;
}
.tag.tag-accent{color:#0B8060;background:var(--accent-light);}
.tag.tag-amber{color:#A96A05;background:var(--amber-light);}

/* ---------- Side cards ---------- */
.side-sticky{position:sticky;top:96px;}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  margin-bottom:20px;
}
.side-card:last-child{margin-bottom:0;}
.side-card h3{
  font-size:17px;
  margin-bottom:14px;
  padding-left:12px;
  position:relative;
}
.side-card h3::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:3px;height:17px;
  border-radius:2px;
  background:var(--brand);
}
.side-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:var(--text-2);
  padding:8px 0;
  border-bottom:1px dashed var(--line-2);
  line-height:1.75;
}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list li i{color:var(--brand);font-size:13px;margin-top:8px;}
.side-links li{margin-bottom:8px;}
.side-links li a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:10px;
  padding:11px 14px;
  transition:all .2s ease;
}
.side-links li a:hover{background:var(--brand-light);color:var(--brand);border-color:#CFDDF5;}
.side-links li a i{font-size:12px;}
.side-note{
  background:var(--amber-light);
  border:1px solid #F6DFB6;
  border-radius:12px;
  padding:14px 16px;
  font-size:13px;
  color:#8C5906;
  line-height:1.8;
}
.side-note strong{color:#7A4C03;}

/* ---------- Feature cards ---------- */
.feature-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  height:100%;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease;
  position:relative;
  overflow:hidden;
}
.feature-card::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:3px;height:100%;
  background:var(--brand);
  opacity:.85;
}
.feature-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.feature-icon{
  width:46px;height:46px;
  border-radius:13px;
  background:var(--brand-light);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;
  margin-bottom:16px;
}
.feature-card h3{font-size:18px;margin-bottom:9px;}
.feature-card p{font-size:14px;color:var(--text-2);line-height:1.85;}

/* ---------- Link cards ---------- */
.link-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  height:100%;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.link-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.link-card img{width:100%;height:168px;object-fit:cover;border-radius:0;}
.link-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1;}
.link-card-body h3{font-size:17px;}
.link-card-body p{font-size:14px;color:var(--text-3);line-height:1.8;flex:1;}
.link-card-body span{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:7px;
}

/* ---------- FAQ ---------- */
.faq-accordion{border:none;background:transparent;}
.faq-accordion .accordion-item{
  border:none;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-accordion .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:transparent;
  border:none;
  line-height:1.6;
}
.faq-accordion .accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--brand);
  order:2;
  transition:transform .25s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:rotate(180deg);}
.faq-accordion .accordion-title:hover{color:var(--brand);}
.faq-accordion .accordion-content{
  padding:0 4px 22px;
  background:transparent;
  border:none;
  color:var(--text-2);
  font-size:15px;
  line-height:1.9;
}
.faq-accordion .accordion-content p{margin-bottom:8px;}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA + Form ---------- */
.cta-wrap{
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:20px;
  padding:40px;
  box-shadow:var(--sh-1);
}
.cta-text h2{font-size:27px;margin-bottom:14px;}
.cta-text p{color:var(--text-2);font-size:15px;margin-bottom:18px;}
.cta-text ul li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:var(--text-2);
  padding:6px 0;
}
.cta-text ul li i{color:var(--accent);font-size:13px;margin-top:8px;}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card > p{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.form-field{margin-bottom:16px;}
.form-field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  margin-bottom:7px;
}
.form-field input[type="text"],
.form-field input[type="tel"],
.form-field select,
.form-field textarea{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  background:#FBFCFE;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  font-size:15px;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
  appearance:none;
}
.form-field textarea{min-height:110px;resize:vertical;line-height:1.8;}
.form-field select{
  background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234A5A75' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:16px;
  padding-right:40px;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(26,86,196,.14);
}
.form-field input::placeholder,
.form-field textarea::placeholder{color:#A9B4C6;}
.form-actions{margin-top:6px;}
.form-actions .btn{width:100%;}
.form-privacy{
  font-size:13px;
  color:var(--text-3);
  line-height:1.8;
  margin-top:12px;
}
.form-privacy strong{color:var(--text-2);font-weight:600;}

/* ---------- Footer ---------- */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:56px 0 24px;
  margin-top:0;
}
.footer-col{margin-bottom:28px;}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.85;}
.footer-col h4{font-size:15px;margin-bottom:14px;}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--brand);}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:9px;line-height:1.8;}
.footer-col p strong{color:var(--text);font-weight:600;}
.footer-divider{height:1px;background:var(--line);margin:12px 0 20px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

@media (max-width:1023px){
  .side-sticky{position:static;}
  .mega-panel{box-shadow:none;}
}
@media (max-width:767px){
  .cta-wrap{padding:26px 20px;}
  .form-card{padding:22px 18px;}
  .footer-bottom{justify-content:flex-start;}
  .hero-card{padding:22px 20px;}
  .tl-item{padding-left:52px;}
  .tl-dot{width:36px;height:36px;font-size:15px;border-radius:11px;}
  .timeline::before{left:17px;}
}

/* roulang page: category3 */
:root{
  --brand:#1A56C4;
  --brand-dark:#0F3A8C;
  --brand-light:#E8EFFC;
  --accent:#0FA97D;
  --accent-light:#E4F6F0;
  --amber:#F0A020;
  --amber-light:#FDF2DF;
  --bg:#F6F8FC;
  --bg-alt:#F2F5FB;
  --card:#FFFFFF;
  --text:#0E1B2E;
  --text-2:#4A5A75;
  --text-3:#8A97AC;
  --border:#E2E8F2;
  --line:#EEF2F8;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --r-hero:20px;
  --sh-1:0 8px 24px rgba(16,42,94,.06);
  --sh-2:0 14px 32px rgba(16,42,94,.12);
  --sh-3:0 20px 48px rgba(16,42,94,.14);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,system-ui,"Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{max-width:1280px;padding:0 32px}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,42,94,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);letter-spacing:.2px;flex-shrink:0}
.logo:hover{color:var(--brand)}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;line-height:1}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu > li{position:relative}
.nav-menu > li > a{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text-2);border-radius:8px;white-space:nowrap}
.nav-menu > li > a:hover{color:var(--brand);background:var(--brand-light)}
.nav-menu > li.is-active > a{color:var(--brand);font-weight:700}
.nav-menu > li.is-active > a::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;border-radius:3px;background:var(--brand)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-btn);background:var(--brand);color:#fff;font-size:14px;font-weight:600;white-space:nowrap}
.nav-cta:hover{background:var(--brand-dark);color:#fff}

.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:var(--brand-light);color:var(--brand);align-items:center;justify-content:center;font-size:18px}

/* Mega */
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:0;width:800px;padding:24px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:1px;margin-bottom:12px}
.mega-col ul li a{display:flex;align-items:center;gap:8px;padding:8px 10px;margin:0 -10px;border-radius:8px;font-size:14px;color:var(--text-2);line-height:1.6}
.mega-col ul li a i{font-size:10px;color:var(--brand);opacity:.7}
.mega-col ul li a:hover{background:var(--brand-light);color:var(--brand)}
.mega-entry{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--bg-alt)}
.mega-entry img{width:100%;height:118px;object-fit:cover;background:#E9EEF6}
.mega-entry-body{padding:14px 16px 16px}
.mega-entry-body h5{font-size:15px;font-weight:700;margin-bottom:6px}
.mega-entry-body p{font-size:13px;line-height:1.7;color:var(--text-2);margin-bottom:10px}
.mega-entry-body a{font-size:13px;font-weight:600}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;transition:all .2s ease;border:1px solid transparent}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(26,86,196,.24)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(26,86,196,.3)}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(26,86,196,.4)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand)}
.btn-light{background:#fff;color:var(--brand);box-shadow:var(--sh-1)}
.btn-light:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:60px 0 148px;overflow:hidden;color:#fff;
  background:linear-gradient(112deg,rgba(15,58,140,.95) 0%,rgba(26,86,196,.86) 62%,rgba(15,169,125,.72) 100%),
  url('/assets/images/backpic/back-2.png') center/cover no-repeat;}
.page-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.5;pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:840px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .current{color:#fff;font-weight:600}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);font-size:13px;font-weight:600;letter-spacing:.6px;margin-bottom:18px}
.eyebrow i{color:#7FE7C6}
.page-hero h1{font-size:clamp(30px,5vw,46px);line-height:1.2;font-weight:700;letter-spacing:.2px;margin-bottom:18px}
.hero-sub{font-size:16px;line-height:1.9;color:rgba(255,255,255,.9);max-width:720px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Stat bar ---------- */
.stat-bar-wrap{position:relative;z-index:3;margin-top:-84px}
.stat-bar{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden}
.stat-item{padding:26px 24px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums;margin-bottom:6px}
.stat-num small{font-size:14px;font-weight:600;margin-left:3px}
.stat-label{font-size:14px;color:var(--text-2);line-height:1.6}

/* ---------- Section base ---------- */
.section{padding:80px 0}
.section-alt{background:var(--bg-alt)}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-tag{display:inline-block;padding:5px 13px;border-radius:999px;background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.8px;margin-bottom:14px}
.sec-tag.accent{background:var(--accent-light);color:#0B7D5C}
.sec-tag.amber{background:var(--amber-light);color:#A96A05}
.section h2{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:14px}
.sec-sub{font-size:15px;color:var(--text-2);line-height:1.85}

/* ---------- Intro ---------- */
.intro-grid{gap:0}
.intro-copy{padding-right:40px}
.intro-copy h2{margin-bottom:18px}
.intro-copy > p{font-size:15.5px;color:var(--text-2);margin-bottom:22px}
.check-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);line-height:1.8}
.check-list li:last-child{border-bottom:0}
.check-list i{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--accent-light);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:11px;margin-top:5px}
.check-list strong{color:var(--text);font-weight:600}
.intro-media{position:relative}
.intro-media img{width:100%;height:100%;min-height:340px;object-fit:cover;border-radius:var(--r-hero);box-shadow:var(--sh-3);background:#E9EEF6}
.intro-media .float-card{position:absolute;left:-14px;bottom:24px;background:#fff;border-radius:14px;box-shadow:var(--sh-2);padding:16px 20px;display:flex;align-items:center;gap:14px;max-width:250px}
.float-card .fc-icon{width:40px;height:40px;border-radius:11px;background:var(--accent-light);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.float-card b{display:block;font-size:15px;font-weight:700;line-height:1.4}
.float-card span{font-size:12.5px;color:var(--text-3);line-height:1.5}

/* ---------- Card grid (two columns) ---------- */
.card-grid{margin-top:-16px}
.info-card{position:relative;height:100%;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px 26px 24px;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;overflow:hidden}
.info-card::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--brand);opacity:.85}
.info-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D5E0F5}
.info-card:hover h3{color:var(--brand)}
.card-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.card-icon{width:46px;height:46px;border-radius:13px;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.card-icon.green{background:var(--accent-light);color:var(--accent)}
.card-icon.amber{background:var(--amber-light);color:var(--amber)}
.info-card h3{font-size:18px;font-weight:700;line-height:1.45;transition:color .2s ease}
.info-card p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-top:10px}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{display:inline-block;padding:4px 11px;border-radius:999px;background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:600;line-height:1.6}
.tag.green{background:var(--accent-light);color:#0B7D5C}
.tag.amber{background:var(--amber-light);color:#A96A05}
.tag.grey{background:#EEF2F8;color:var(--text-2)}

/* ---------- Tier list ---------- */
.tier-list{border-top:1px solid var(--border)}
.tier-item{display:flex;align-items:flex-start;gap:20px;padding:24px 8px;border-bottom:1px solid var(--border);transition:background-color .2s ease}
.tier-item:hover{background:#fff}
.tier-badge{flex-shrink:0;width:58px;height:38px;border-radius:10px;background:var(--brand-light);color:var(--brand);font-family:var(--font-num);font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;letter-spacing:.5px}
.tier-item:nth-child(2) .tier-badge{background:#E3F3EC;color:#0B7D5C}
.tier-item:nth-child(3) .tier-badge{background:#FDF2DF;color:#A96A05}
.tier-item:nth-child(4) .tier-badge{background:#EDE9FB;color:#5B45C7}
.tier-body{flex:1;min-width:0}
.tier-body h3{font-size:17px;font-weight:700;margin-bottom:6px}
.tier-body p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.tier-meta{flex-shrink:0;display:flex;flex-direction:column;align-items:flex-end;gap:8px;text-align:right}
.tier-meta .tm-num{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.tier-meta .tm-label{font-size:12.5px;color:var(--text-3)}

/* ---------- Flow steps ---------- */
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.flow-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease}
.flow-item:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.flow-num{font-family:var(--font-num);font-size:15px;font-weight:700;color:#fff;width:34px;height:34px;border-radius:10px;background:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.flow-item:nth-child(2) .flow-num{background:var(--brand-dark)}
.flow-item:nth-child(3) .flow-num{background:var(--accent)}
.flow-item:nth-child(4) .flow-num{background:#0B7D5C}
.flow-item h3{font-size:16.5px;font-weight:700;margin-bottom:9px;line-height:1.5}
.flow-item p{font-size:14px;color:var(--text-2);line-height:1.85}

/* ---------- FAQ ---------- */
.faq-side h2{margin-bottom:14px}
.faq-side p{font-size:14.5px;color:var(--text-2);margin-bottom:20px}
.faq-side .side-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item:first-child{border-top:1px solid var(--line)}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:16px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--text);transition:color .2s ease}
.acc-head:hover{color:var(--brand)}
.acc-head i{flex-shrink:0;font-size:13px;color:var(--text-3);transition:transform .3s ease,color .2s ease}
.acc-item.is-open .acc-head{color:var(--brand)}
.acc-item.is-open .acc-head i{transform:rotate(45deg);color:var(--brand)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-item.is-open .acc-body{max-height:420px}
.acc-body p{padding:0 4px 22px;font-size:14.5px;line-height:1.9;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--r-hero);padding:56px 48px;color:#fff;
  background:linear-gradient(120deg,rgba(15,58,140,.96),rgba(26,86,196,.9) 58%,rgba(15,169,125,.8)),
  url('/assets/images/backpic/back-1.webp') center/cover no-repeat;box-shadow:var(--sh-3)}
.cta-panel::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.07)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-text{max-width:640px}
.cta-text h2{font-size:28px;line-height:1.35;margin-bottom:14px}
.cta-text p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.9);margin-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.related-links{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.related-links a{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:13.5px;font-weight:600;color:var(--text-2);box-shadow:var(--sh-1)}
.related-links a:hover{color:var(--brand);border-color:#D5E0F5;transform:translateY(-1px)}

/* ---------- Footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border);padding:64px 0 28px;margin-top:0}
.footer-col{margin-bottom:28px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.9;color:var(--text-2);max-width:300px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:10px;line-height:1.8}
.footer-col p strong{color:var(--text);font-weight:600}
.footer-divider{height:1px;background:var(--line);margin:12px 0 22px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}

/* ---------- Reveal modal ---------- */
.reveal-mask{position:fixed;inset:0;background:rgba(14,27,46,.55);z-index:120;display:none;align-items:center;justify-content:center;padding:20px}
.reveal-mask.open{display:flex}
.reveal-box{background:#fff;border-radius:var(--r-card);max-width:520px;width:100%;padding:32px;box-shadow:var(--sh-3);position:relative;max-height:90vh;overflow:auto}
.reveal-box h3{font-size:20px;font-weight:700;margin-bottom:10px}
.reveal-box > p{font-size:14px;color:var(--text-2);margin-bottom:20px}
.reveal-close{position:absolute;right:16px;top:14px;width:34px;height:34px;border-radius:9px;background:var(--bg-alt);color:var(--text-2);display:flex;align-items:center;justify-content:center}
.reveal-close:hover{background:var(--brand-light);color:var(--brand)}

/* ---------- Form ---------- */
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.form-row input,.form-row select,.form-row textarea{width:100%;height:46px;padding:0 14px;border:1px solid var(--border);border-radius:var(--r-input);font-family:inherit;font-size:14.5px;color:var(--text);background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.form-row textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,86,196,.14)}
.form-note{font-size:13px;color:var(--text-3);line-height:1.75;margin-top:12px}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .mega-panel{width:720px}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--sh-2);
    padding:10px 20px 22px;max-height:calc(100vh - 72px);overflow-y:auto;
    transform:translateY(-115%);transition:transform .28s ease;z-index:90;
  }
  .nav-menu.open{transform:translateY(0)}
  .nav-menu > li{border-bottom:1px solid var(--line)}
  .nav-menu > li > a{display:block;padding:14px 6px;font-size:15.5px}
  .nav-menu > li.is-active > a::after{display:none}
  .nav-menu > li.is-active > a{color:var(--brand)}
  .has-mega .mega-panel{display:none}
  .nav-cta{display:none}

  .section{padding:56px 0}
  .page-hero{padding:44px 0 116px}
  .intro-copy{padding-right:0;margin-bottom:32px}
  .intro-media .float-card{left:12px;bottom:16px}
  .flow-steps{grid-template-columns:repeat(2,1fr)}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .cta-panel{padding:44px 32px}
  .tier-item{flex-wrap:wrap}
  .tier-meta{flex-direction:row;align-items:center;width:100%;justify-content:space-between;text-align:left}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section h2{font-size:23px}
  .stat-bar{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:0}
  .flow-steps{grid-template-columns:1fr}
  .cta-panel{padding:36px 22px}
  .cta-text h2{font-size:23px}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
  .acc-head{font-size:15px}
}