/* roulang page: index */
:root{
  --brand:#0E6BA8;
  --brand-dark:#0A4F7A;
  --brand-light:#E8F3FB;
  --orange:#F97316;
  --teal:#14B8A6;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --border:#E3EAF2;
  --text:#1F2937;
  --muted:#64748B;
  --success:#16A34A;
  --warn:#D97706;
  --error:#DC2626;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-card:0 8px 24px rgba(14,107,168,.08);
  --shadow-hover:0 14px 34px rgba(14,107,168,.14);
  --shadow-mega:0 20px 50px rgba(15,60,100,.16);
  --max:1240px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"Inter","PingFang SC","Microsoft YaHei",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:1.72;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:#12293D;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:3px solid rgba(14,107,168,.25);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#12293D;letter-spacing:.3px;white-space:nowrap;}
.logo:hover{color:var(--brand-dark);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--brand) 0%,#2E93D4 60%,var(--teal) 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700;
  font-family:var(--font-num);
}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-item{position:relative;}
.nav-link{
  display:flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:#33475B;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-19px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-caret{width:8px;height:8px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);opacity:.6;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--border);border-radius:999px;background:#F8FBFE;color:var(--muted);font-size:14px;
  min-width:180px;
}
.nav-search input{border:none;background:transparent;outline:none;width:120px;font-size:14px;color:var(--text);}
.nav-search svg{flex:0 0 16px;}
.mega{
  position:absolute;top:calc(100% + 18px);left:-40px;width:800px;
  background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-mega);
  padding:26px;display:grid;grid-template-columns:1.15fr 1fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease;
}
.nav-item.has-mega:hover .mega,
.nav-item.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:1px;margin-bottom:12px;}
.mega-links{display:grid;gap:6px;}
.mega-link{display:block;padding:10px 12px;border-radius:10px;transition:background .18s ease;}
.mega-link strong{display:block;font-size:15px;font-weight:600;color:#1F2937;}
.mega-link span{display:block;font-size:13px;color:var(--muted);line-height:1.55;margin-top:2px;}
.mega-link:hover{background:var(--brand-light);}
.mega-link:hover strong{color:var(--brand-dark);}
.mega-news{display:grid;gap:10px;}
.mega-news-item{display:flex;gap:12px;padding:10px;border:1px solid var(--border);border-radius:12px;transition:box-shadow .18s ease,transform .18s ease;}
.mega-news-item:hover{box-shadow:var(--shadow-card);transform:translateY(-1px);}
.mega-news-item img{width:64px;height:52px;object-fit:cover;border-radius:10px;flex:0 0 64px;}
.mega-news-item b{display:block;font-size:14px;font-weight:600;color:#1F2937;line-height:1.45;}
.mega-news-item em{font-style:normal;font-size:12px;color:var(--muted);}
.mobile-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--border);align-items:center;justify-content:center;}
.mobile-toggle span{display:block;width:18px;height:2px;background:#33475B;position:relative;}
.mobile-toggle span::before,.mobile-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#33475B;}
.mobile-toggle span::before{top:-6px;}
.mobile-toggle span::after{top:6px;}
.drawer{
  display:none;border-top:1px solid var(--border);background:#fff;padding:14px 24px 22px;
}
.drawer.open{display:block;}
.drawer a{display:block;padding:12px 4px;font-size:15px;font-weight:600;color:#33475B;border-bottom:1px dashed var(--border);}
.drawer .btn{width:100%;margin-top:16px;justify-content:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:all .18s ease;border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(14,107,168,.22);}
.btn-primary:hover{background:#0C5E93;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(14,107,168,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#BFDCEE;}
.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand);color:var(--brand-dark);}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(249,115,22,.24);}
.btn-orange:hover{background:#E4650C;color:#fff;transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.4;pointer-events:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.text-link::after{content:"→";transition:transform .18s ease;}
.text-link:hover::after{transform:translateX(3px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,#F2F8FD 0%,rgba(246,249,252,.4) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid var(--border);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(14,107,168,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(14,107,168,.045) 1px,transparent 1px);
  background-size:46px 46px;pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:76px 0 84px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;background:#fff;border:1px solid #CDE4F4;
  font-size:13px;font-weight:600;color:var(--brand-dark);margin-bottom:20px;
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--teal);display:block;box-shadow:0 0 0 4px rgba(20,184,166,.16);}
.hero h1{font-size:46px;line-height:1.28;letter-spacing:.2px;}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;}
.hero-sub{margin-top:20px;font-size:17px;color:#4A5B6D;max-width:560px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-list{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:26px;border-top:1px dashed #D6E6F2;}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:#42566A;font-weight:500;}
.trust-item svg{flex:0 0 18px;}
.hero-visual{position:relative;}
.hero-img{
  border-radius:18px;overflow:hidden;box-shadow:0 22px 48px rgba(14,107,168,.18);
  border:1px solid #fff;background:#fff;
}
.hero-img img{width:100%;height:380px;object-fit:cover;}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:14px 18px;box-shadow:0 14px 30px rgba(15,60,100,.14);min-width:168px;
}
.float-card b{display:block;font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--brand-dark);line-height:1.3;}
.float-card span{font-size:13px;color:var(--muted);}
.float-a{left:-26px;bottom:44px;}
.float-b{right:-18px;top:-22px;}
.float-b b{color:var(--teal);}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section.alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:720px;margin-bottom:46px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;padding:5px 12px;border-radius:999px;background:var(--brand-light);
  color:var(--brand-dark);font-size:13px;font-weight:600;margin-bottom:14px;letter-spacing:.4px;
}
.section-title{font-size:30px;}
.section-desc{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.8;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step-num{
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--brand);
  width:44px;height:44px;border-radius:12px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.step-card h3{font-size:20px;margin-bottom:10px;}
.step-card p{font-size:15px;color:var(--muted);line-height:1.78;}
.step-card .text-link{margin-top:16px;}
.step-line{position:absolute;top:50px;right:-14px;width:28px;height:2px;background:linear-gradient(90deg,#BFDCEE,transparent);}

/* ---------- Metrics band ---------- */
.metrics-band{
  background:linear-gradient(135deg,var(--brand-dark) 0%,#0E6BA8 62%,#1786BF 100%);
  border-radius:20px;padding:44px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  position:relative;overflow:hidden;
}
.metrics-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.14),transparent 70%);
}
.metric b{display:block;font-family:var(--font-num);font-size:32px;font-weight:700;letter-spacing:.5px;}
.metric span{display:block;margin-top:6px;font-size:14px;color:rgba(255,255,255,.82);line-height:1.6;}

/* ---------- Cases ---------- */
.cases{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.case-main{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
}
.case-main img{width:100%;height:262px;object-fit:cover;}
.case-body{padding:26px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;background:var(--brand-light);color:var(--brand-dark);font-size:12.5px;font-weight:600;}
.tag.orange{background:#FFF1E6;color:#C2540A;}
.tag.teal{background:#E6F7F5;color:#0F8B80;}
.case-body h3{font-size:21px;margin-bottom:12px;}
.case-body p{font-size:15px;color:var(--muted);line-height:1.78;}
.case-result{margin-top:20px;padding-top:18px;border-top:1px dashed var(--border);display:flex;gap:26px;flex-wrap:wrap;}
.case-result div b{display:block;font-family:var(--font-num);font-size:20px;color:var(--brand-dark);}
.case-result div span{font-size:13px;color:var(--muted);}
.case-side{display:grid;gap:24px;}
.case-small{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);display:flex;gap:18px;align-items:flex-start;
  transition:transform .2s ease,box-shadow .2s ease;
}
.case-small:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.case-small img{width:96px;height:96px;border-radius:12px;object-fit:cover;flex:0 0 96px;}
.case-small h3{font-size:18px;margin-bottom:8px;}
.case-small p{font-size:14px;color:var(--muted);line-height:1.72;}
.case-small time{display:block;margin-top:10px;font-size:12.5px;color:#93A4B5;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-card);
  overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:62px;padding:16px 22px;font-size:17px;font-weight:600;color:#1F2937;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:var(--brand-light);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:transform .2s ease,opacity .2s ease;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-answer{padding:0 22px 20px;font-size:15px;color:#4A5B6D;line-height:1.8;}
.faq-answer p+p{margin-top:10px;}

/* ---------- Posts (CMS) ---------- */
.post-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.post-thumb{display:block;overflow:hidden;}
.post-thumb img{width:100%;height:178px;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#93A4B5;}
.post-title{font-size:18px;line-height:1.5;}
.post-title a{color:#12293D;}
.post-title a:hover{color:var(--brand);}
.post-excerpt{font-size:14px;color:var(--muted);line-height:1.75;flex:1;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;border:1px dashed #CDE4F4;border-radius:var(--radius-card);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:24px;font-weight:700;font-family:var(--font-num);
}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px;}

/* ---------- CTA ---------- */
.cta-band{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.cta-inner{display:grid;grid-template-columns:1fr .92fr;gap:52px;align-items:center;padding:80px 0;}
.cta-copy h2{font-size:30px;}
.cta-copy p{margin-top:16px;font-size:16px;color:var(--muted);line-height:1.8;}
.cta-points{margin-top:24px;display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:#42566A;}
.cta-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);margin-top:10px;flex:0 0 7px;}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:18px;padding:30px;box-shadow:0 16px 38px rgba(14,107,168,.1);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:#33475B;margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--border);border-radius:var(--radius-btn);
  background:#FBFDFF;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(14,107,168,.14);
}
.field.error input,.field.error select{border-color:var(--error);background:#FFF7F7;}
.field .msg{display:none;margin-top:7px;font-size:13px;color:var(--error);}
.field.error .msg{display:block;}
.form-card .btn{width:100%;}
.form-note{margin-top:14px;font-size:12.5px;color:#93A4B5;line-height:1.7;}
.form-success{
  display:none;margin-top:16px;padding:12px 14px;border-radius:10px;background:#ECFDF3;border:1px solid #B7E4C7;
  color:#136B34;font-size:14px;
}
.form-success.show{display:block;}

/* ---------- Footer ---------- */
.site-footer{background:#0B2B44;color:#C7D8E5;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:#9DB5C8;line-height:1.85;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#9DB5C8;}
.footer-links a:hover{color:#fff;}
.footer-contact{display:grid;gap:12px;font-size:14px;color:#9DB5C8;}
.footer-contact span{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:#7E9AB1;
}
.footer-bottom a{color:#7E9AB1;}
.footer-bottom a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero h1{font-size:40px;}
  .hero-inner{gap:40px;}
  .mega{width:680px;left:-120px;}
}
@media (max-width:1023px){
  .nav-list,.nav-search{display:none;}
  .mobile-toggle{display:flex;}
  .nav-right .btn{display:none;}
  .hero-inner{grid-template-columns:1fr;padding:56px 0 64px;}
  .hero-img img{height:300px;}
  .float-a{left:12px;bottom:16px;}
  .float-b{right:12px;top:-16px;}
  .steps{grid-template-columns:1fr 1fr;}
  .metrics-band{grid-template-columns:1fr 1fr;padding:34px;gap:22px;}
  .cases{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .post-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:68px 0;}
  .section-title{font-size:26px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step-line{display:none;}
  .metrics-band{grid-template-columns:1fr;gap:18px;border-radius:16px;}
  .metric b{font-size:26px;}
  .case-side{grid-template-columns:1fr;}
  .case-small{flex-direction:column;}
  .case-small img{width:100%;height:180px;flex:none;}
  .post-grid{grid-template-columns:1fr;}
  .cta-copy h2{font-size:24px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .section{padding:52px 0;}
  .section-title{font-size:22px;}
  .faq-item summary{font-size:16px;padding:14px 18px;}
  .nav-wrap{gap:14px;}
  .logo{font-size:17px;}
}
@media (max-width:479px){
  .hero h1{font-size:27px;}
  .trust-list{gap:12px;}
  .trust-item{font-size:13px;}
  .float-card{min-width:140px;padding:11px 14px;}
  .float-card b{font-size:18px;}
  .btn{height:46px;padding:0 18px;font-size:14px;}
}

/* roulang page: category1 */
:root{
  --primary:#0E6BA8;
  --primary-dark:#0A4F7A;
  --primary-light:#E8F3FB;
  --accent:#F97316;
  --online:#14B8A6;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --border:#E3EAF2;
  --text:#1F2937;
  --muted:#64748B;
  --success:#16A34A;
  --warning:#D97706;
  --error:#DC2626;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-card:0 8px 24px rgba(14,107,168,.08);
  --shadow-hover:0 14px 34px rgba(14,107,168,.14);
  --shadow-mega:0 20px 50px rgba(15,60,100,.16);
  --container:1240px;
  --gap-section:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","PingFang SC","Microsoft YaHei",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:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4{margin:0 0 14px;font-weight:700;line-height:1.35;color:var(--text);}
h1{font-size:44px;letter-spacing:-.5px;}
h2{font-size:30px;letter-spacing:-.3px;}
h3{font-size:21px;}
p{margin:0 0 16px;color:var(--text);}
ul,ol{margin:0 0 16px;padding-left:20px;}
li{margin-bottom:8px;}
button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,107,168,.25);border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--gap-section) 0;}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--primary);background:var(--primary-light);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;text-transform:none;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--online);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--muted);font-size:16px;margin-bottom:0;}
.muted{color:var(--muted);}
.small{font-size:14px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(15,60,100,.04);
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--primary-dark);white-space:nowrap;
}
.logo:hover{color:var(--primary-dark);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,#1B86C7 100%);
  color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-list{display:flex;align-items:center;gap:4px;margin:0;padding:0;list-style:none;}
.nav-item{position:relative;list-style:none;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:#334155;position:relative;
}
.nav-link:hover{color:var(--primary);background:rgba(14,107,168,.06);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav-caret{
  width:7px;height:7px;border-right:1.8px solid currentColor;border-bottom:1.8px solid currentColor;
  transform:rotate(45deg) translateY(-2px);opacity:.7;
}
.mega{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(8px);
  width:820px;background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-mega);padding:26px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:28px;
  opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.nav-item.has-mega:hover .mega,
.nav-item.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.mega-col-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;margin-bottom:12px;}
.mega-links{display:flex;flex-direction:column;gap:6px;}
.mega-link{
  display:flex;flex-direction:column;gap:2px;
  padding:11px 13px;border-radius:12px;border:1px solid transparent;
}
.mega-link strong{font-size:15px;color:var(--text);font-weight:600;}
.mega-link span{font-size:13px;color:var(--muted);}
.mega-link:hover{background:var(--primary-light);border-color:#D5E8F7;}
.mega-link:hover strong{color:var(--primary);}
.mega-news{display:flex;flex-direction:column;gap:10px;}
.mega-news-item{
  display:flex;align-items:center;gap:12px;padding:10px;border-radius:12px;border:1px solid var(--border);
}
.mega-news-item img{width:56px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.mega-news-item span{display:flex;flex-direction:column;gap:2px;}
.mega-news-item b{font-size:14px;font-weight:600;color:var(--text);}
.mega-news-item em{font-style:normal;font-size:12.5px;color:var(--muted);}
.mega-news-item:hover{border-color:#CFE4F5;box-shadow:var(--shadow-card);}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:10px;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary-dark);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary-dark);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(14,107,168,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(14,107,168,.28);}
.btn-ghost{background:#fff;color:var(--primary);border-color:#BEDCF0;}
.btn-ghost:hover{background:rgba(14,107,168,.06);color:var(--primary-dark);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(249,115,22,.22);}
.btn-accent:hover{background:#EA6A0C;color:#fff;transform:translateY(-1px);}
.btn-text{background:transparent;color:var(--primary);padding:0;height:auto;font-weight:600;}
.btn-text:hover{color:var(--primary-dark);text-decoration:underline;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);padding:18px 0 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{opacity:.6;}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(232,243,251,.92) 0%,rgba(246,249,252,.96) 70%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--border);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(rgba(14,107,168,.7) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,107,168,.7) 1px,transparent 1px);
  background-size:44px 44px;
}
.cat-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
  padding:56px 0 72px;
}
.cat-hero h1{font-size:42px;}
.cat-hero .lead{font-size:17px;color:#3F4E60;max-width:600px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 24px;}
.trust-row{display:flex;gap:10px;flex-wrap:wrap;}
.trust-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:8px 15px;font-size:13.5px;color:#3B4A5A;font-weight:500;box-shadow:var(--shadow-card);
}
.trust-badge i{width:7px;height:7px;border-radius:50%;background:var(--online);display:inline-block;}
.hero-visual{position:relative;}
.hero-visual img{
  border-radius:18px;box-shadow:0 18px 44px rgba(14,107,168,.16);
  width:100%;height:380px;object-fit:cover;
}
.float-card{
  position:absolute;background:#fff;border-radius:14px;border:1px solid var(--border);
  box-shadow:var(--shadow-hover);padding:14px 16px;min-width:158px;
}
.float-card .fc-label{font-size:12.5px;color:var(--muted);margin-bottom:4px;}
.float-card .fc-value{font-family:var(--font-num);font-size:19px;font-weight:700;color:var(--primary-dark);}
.float-card.fc-1{left:-18px;bottom:34px;}
.float-card.fc-2{right:-14px;top:28px;}
.float-card .fc-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--online);margin-right:6px;
}

/* ---------- Two column ---------- */
.split{
  display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:start;
}
.panel{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);
}
.panel-title{
  display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:18px;
}
.panel-title .num{
  width:28px;height:28px;border-radius:9px;background:var(--primary-light);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-num);
  font-size:13px;font-weight:700;
}
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--border);margin:0;
}
.check-list li:last-child{border-bottom:none;padding-bottom:0;}
.check-list li:first-child{padding-top:0;}
.check-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;margin-top:3px;
  background:rgba(20,184,166,.12);color:var(--online);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.check-list strong{display:block;font-size:15.5px;font-weight:600;margin-bottom:2px;}
.check-list p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);margin-bottom:22px;
}
.side-card img{width:100%;height:210px;object-fit:cover;border-radius:0;}
.side-card-body{padding:22px;}
.side-card-body h3{font-size:18px;margin-bottom:8px;}
.side-card-body p{font-size:14.5px;color:var(--muted);margin-bottom:0;}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.metric{
  background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;
  box-shadow:var(--shadow-card);
}
.metric .m-value{font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--primary);}
.metric .m-label{font-size:13.5px;color:var(--muted);margin-top:2px;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:600;
}

/* ---------- Steps ---------- */
.steps{display:flex;flex-direction:column;gap:0;}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:22px;position:relative;padding-bottom:32px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:31px;top:60px;bottom:0;width:2px;
  background:linear-gradient(180deg,#CFE4F5,rgba(207,228,245,.15));
}
.step:last-child::before{display:none;}
.step-num{
  width:64px;height:64px;border-radius:18px;background:#fff;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--primary);
  box-shadow:var(--shadow-card);
}
.step-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.step-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.step-body h3{font-size:19px;margin-bottom:8px;}
.step-body p{font-size:14.5px;color:var(--muted);margin-bottom:10px;}
.step-body .btn-text{font-size:14px;}

/* ---------- Card grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.info-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFE4F5;}
.info-card .ic-icon{
  width:42px;height:42px;border-radius:12px;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);
  font-weight:700;font-size:15px;margin-bottom:14px;
}
.info-card h3{font-size:18px;margin-bottom:8px;}
.info-card p{font-size:14.5px;color:var(--muted);margin-bottom:0;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-card);overflow:hidden;
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--primary-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:16px;font-weight:700;line-height:1;
}
.faq-item[open] .faq-icon{background:var(--primary);color:#fff;}
.faq-item[open] summary{color:var(--primary-dark);}
.faq-body{padding:0 22px 20px;font-size:15px;color:#42505F;line-height:1.8;}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--primary-light) 0%,#F4FAFF 60%,#FDF6EF 100%);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.cta-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;}
.cta-points{list-style:none;padding:0;margin:20px 0 0;}
.cta-points li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#3F4E60;margin-bottom:10px;
}
.cta-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;
  background:var(--accent);margin-top:8px;
}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:18px;
  padding:28px;box-shadow:var(--shadow-hover);
}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:#334155;}
.form-control{
  width:100%;height:48px;padding:0 14px;border-radius:10px;border:1px solid var(--border);
  background:#FBFDFF;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
select.form-control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-control:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 3px rgba(14,107,168,.16);
}
.form-control.is-error{border-color:var(--error);box-shadow:0 0 0 3px rgba(220,38,38,.12);}
.form-hint{font-size:13px;color:var(--muted);margin-top:8px;}
.form-msg{display:none;margin-top:12px;font-size:14px;border-radius:10px;padding:10px 14px;}
.form-msg.error{display:block;background:rgba(220,38,38,.08);color:var(--error);border:1px solid rgba(220,38,38,.2);}
.form-msg.success{display:block;background:rgba(22,163,74,.08);color:var(--success);border:1px solid rgba(22,163,74,.22);}
.form-card .btn{width:100%;height:50px;margin-top:6px;}

/* ---------- Footer ---------- */
.site-footer{
  background:#0B3category;
  background:#0B3355;color:#C6D8E6;margin-top:0;
}
.site-footer a{color:#C6D8E6;}
.site-footer a:hover{color:#8FC7EA;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:56px 0 36px;
}
.footer-brand .logo{color:#fff;margin-bottom:14px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:14px;color:#9FBBD0;max-width:340px;margin-bottom:0;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:9px;font-size:14px;}
.footer-contact{display:flex;flex-direction:column;gap:9px;font-size:14px;color:#9FBBD0;}
.footer-contact span{color:#DCEAF4;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  font-size:13px;color:#87A5BC;
}
.footer-bottom a{color:#A9C9DE;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .grid-3{grid-template-columns:repeat(3,1fr);}
  .cat-hero h1{font-size:38px;}
}
@media (max-width:1023px){
  :root{--gap-section:64px;}
  .nav-toggle{display:flex;}
  .nav-list{
    position:fixed;top:72px;right:0;bottom:0;width:min(360px,86vw);
    background:#fff;border-left:1px solid var(--border);box-shadow:var(--shadow-mega);
    flex-direction:column;align-items:stretch;gap:2px;padding:18px 16px 40px;
    transform:translateX(102%);transition:transform .26s ease;overflow-y:auto;
  }
  .nav-list.open{transform:translateX(0);}
  .nav-link{padding:13px 12px;font-size:16px;}
  .nav-link.active::after{left:12px;right:auto;width:22px;bottom:6px;}
  .mega{
    position:static;transform:none;opacity:1;visibility:visible;
    width:100%;box-shadow:none;border:none;border-radius:0;padding:6px 0 10px;
    grid-template-columns:1fr;gap:16px;display:none;
  }
  .nav-item.has-mega.open .mega{display:grid;}
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;padding:40px 0 56px;}
  .hero-visual img{height:300px;}
  .float-card.fc-1{left:10px;bottom:16px;}
  .float-card.fc-2{right:10px;top:16px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 28px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  .container{padding:0 16px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero .lead{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;min-height:44px;}
  .trust-row{gap:8px;}
  .trust-badge{font-size:13px;padding:7px 12px;}
  .grid-3,.grid-2,.metric-grid{grid-template-columns:1fr;}
  .hero-visual img{height:230px;}
  .float-card{min-width:132px;padding:11px 13px;}
  .float-card .fc-value{font-size:16px;}
  .step{grid-template-columns:48px 1fr;gap:14px;}
  .step-num{width:48px;height:48px;border-radius:14px;font-size:16px;}
  .step::before{left:23px;top:46px;}
  .panel,.info-card,.form-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .breadcrumb{font-size:13px;}
}
@media (max-width:479px){
  h1,.cat-hero h1{font-size:26px;}
  .logo{font-size:16px;}
  .logo-mark{width:30px;height:30px;font-size:14px;}
  .btn{font-size:14.5px;padding:0 16px;}
}

/* roulang page: article */
:root{
  --primary:#0E6BA8;
  --primary-dark:#0A4F7A;
  --primary-light:#E8F3FB;
  --orange:#F97316;
  --teal:#14B8A6;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --border:#E3EAF2;
  --text:#1F2937;
  --muted:#64748B;
  --success:#16A34A;
  --warning:#D97706;
  --danger:#DC2626;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:14px;
  --r-lg:18px;
  --sh-card:0 8px 24px rgba(14,107,168,.08);
  --sh-hover:0 14px 34px rgba(14,107,168,.14);
  --sh-mega:0 20px 50px rgba(15,60,100,.16);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;}
:focus-visible{outline:3px solid rgba(14,107,168,.25);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 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;
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease,color .22s ease;
  white-space:nowrap;text-decoration:none;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(14,107,168,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(14,107,168,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--primary);border-color:rgba(14,107,168,.35);}
.btn-outline:hover{background:rgba(14,107,168,.06);color:var(--primary-dark);transform:translateY(-1px);}
.btn-ghost{background:var(--primary-light);color:var(--primary-dark);border-color:transparent;}
.btn-ghost:hover{background:#d8e9f8;color:var(--primary-dark);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(15,60,100,.08);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.2px;white-space:nowrap;
}
.logo:hover{color:var(--primary);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;
}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-item{position:relative;}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text);position:relative;
}
.nav-link:hover{color:var(--primary);background:var(--primary-light);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav-caret{
  width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translate(-1px,-2px);opacity:.7;margin-top:-3px;
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.25s;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* Mega */
.mega{
  position:absolute;top:calc(100% + 16px);left:50%;
  transform:translate(-50%,10px);
  width:780px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-mega);padding:24px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:26px;
  opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;
  z-index:70;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0);}
.mega-col-title{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.4px;margin-bottom:14px;}
.mega-links{display:flex;flex-direction:column;gap:6px;}
.mega-link{display:flex;flex-direction:column;gap:3px;padding:10px 12px;border-radius:12px;transition:background-color .2s ease;}
.mega-link:hover{background:var(--primary-light);}
.mega-link strong{font-size:15px;font-weight:600;color:var(--text);}
.mega-link:hover strong{color:var(--primary);}
.mega-link span{font-size:13px;color:var(--muted);line-height:1.6;}
.mega-news{display:flex;flex-direction:column;gap:10px;}
.mega-news-item{display:flex;gap:12px;align-items:center;padding:8px;border-radius:12px;transition:background-color .2s ease;}
.mega-news-item:hover{background:var(--primary-light);}
.mega-news-item img{width:64px;height:48px;object-fit:cover;border-radius:10px;flex:0 0 64px;}
.mega-news-item span{display:flex;flex-direction:column;gap:2px;min-width:0;}
.mega-news-item b{font-size:14px;font-weight:600;color:var(--text);line-height:1.45;}
.mega-news-item em{font-size:12px;font-style:normal;color:var(--muted);}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#E8F3FB 0%,#F6F9FC 100%);
  border-bottom:1px solid var(--border);
  padding:28px 0 44px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(14,107,168,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,107,168,.07) 1px,transparent 1px);
  background-size:46px 46px;
}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#B9C7D6;}
.breadcrumb .current{color:#3C4C5E;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;
  background:var(--primary-light);color:var(--primary);
}
.tag-ghost{background:#fff;border:1px solid var(--border);color:var(--muted);}
.article-title{
  font-size:40px;line-height:1.32;letter-spacing:-.4px;color:#16232F;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:18px;
  font-size:14px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:0 0 6px;}

/* ---------- Article body ---------- */
.article-body-section{padding:48px 0 0;}
.article-layout{max-width:860px;margin:0 auto;}
.article-paper{
  background:#fff;border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--sh-card);padding:34px 44px 44px;
}
.article-cover{margin:0 0 30px;border-radius:var(--r-img);overflow:hidden;box-shadow:0 8px 24px rgba(14,107,168,.08);}
.article-cover img{width:100%;height:auto;aspect-ratio:16/8;object-fit:cover;}
.cms-content{font-size:17px;line-height:1.85;color:#26313F;}
.cms-content > *:first-child{margin-top:0;}
.cms-content > *:last-child{margin-bottom:0;}
.cms-content h2{
  font-size:26px;line-height:1.42;color:#16232F;
  margin:44px 0 16px;padding-left:14px;border-left:5px solid var(--primary);border-radius:3px;
}
.cms-content h3{font-size:20px;line-height:1.5;color:#16232F;margin:32px 0 12px;}
.cms-content h4{font-size:17px;color:#16232F;margin:24px 0 10px;}
.cms-content p{margin:0 0 20px;}
.cms-content ul,.cms-content ol{margin:0 0 20px;padding-left:24px;}
.cms-content li{margin-bottom:10px;}
.cms-content li::marker{color:var(--primary);}
.cms-content img{border-radius:var(--r-img);box-shadow:0 8px 24px rgba(14,107,168,.08);margin:24px auto;height:auto;}
.cms-content blockquote{
  margin:24px 0;padding:18px 22px;background:var(--primary-light);
  border-left:4px solid var(--primary);border-radius:0 12px 12px 0;color:#33475B;
}
.cms-content blockquote p:last-child{margin-bottom:0;}
.cms-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.cms-content a:hover{color:var(--primary-dark);}
.cms-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--border);border-radius:12px;overflow:hidden;
}
.cms-content th,.cms-content td{border:1px solid var(--border);padding:12px 14px;text-align:left;vertical-align:top;}
.cms-content th{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}
.cms-content tbody tr:nth-child(even) td{background:#FAFCFF;}
.cms-content pre{
  background:#0F2233;color:#E6F1FB;padding:18px 20px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.cms-content code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:#EEF4FA;color:var(--primary-dark);padding:2px 6px;border-radius:6px;font-size:.92em;
}
.cms-content pre code{background:none;color:inherit;padding:0;}
.cms-content hr{border:none;border-top:1px solid var(--border);margin:34px 0;}

/* Empty state */
.empty-state{
  text-align:center;padding:44px 20px 36px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-art{
  width:72px;height:72px;border-radius:22px;display:grid;place-items:center;
  background:var(--primary-light);color:var(--primary);font-size:30px;font-weight:700;
}
.empty-state h2{font-size:22px;color:#16232F;}
.empty-state p{font-size:15px;color:var(--muted);max-width:460px;line-height:1.8;}
.empty-state .btn{margin-top:6px;}

/* Article foot nav */
.article-foot-nav{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:28px;padding-top:24px;border-top:1px dashed var(--border);
}
.article-foot-nav .group{display:flex;gap:12px;flex-wrap:wrap;}
.back-top{
  font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
}
.back-top:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}

/* ---------- Related ---------- */
.related-section{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:28px;color:#16232F;letter-spacing:-.3px;}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;}
.section-more{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;}
.section-more:hover{color:var(--primary-dark);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.news-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--primary-light);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-cat{font-size:13px;font-weight:600;color:var(--primary);}
.news-card h3{font-size:18px;line-height:1.5;color:#16232F;}
.news-card p{font-size:14px;line-height:1.75;color:var(--muted);flex:1;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:#8A99AB;padding-top:10px;border-top:1px solid var(--border);}
.news-meta .go{font-weight:600;color:var(--primary);}

/* ---------- CTA band ---------- */
.cta-band{margin-top:80px;}
.cta-band-inner{
  background:linear-gradient(120deg,#E8F3FB 0%,#FFFFFF 62%,#F2FAF7 100%);
  border:1px solid var(--border);border-radius:22px;
  padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-card);position:relative;overflow:hidden;
}
.cta-band-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,184,166,.16),transparent 68%);
}
.cta-band h2{font-size:26px;color:#16232F;position:relative;z-index:1;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--muted);max-width:560px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- Footer ---------- */
.site-footer{background:#0A2A42;color:#C6D8E6;margin-top:80px;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:40px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-mark{background:linear-gradient(135deg,#1E88C7,#0A4F7A);}
.footer-brand p{font-size:14px;line-height:1.85;color:#9CB6C9;max-width:360px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#9CB6C9;}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#9CB6C9;line-height:1.7;}
.footer-contact span{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:#8AA6BB;
}
.footer-bottom a{color:#9CB6C9;}
.footer-bottom a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 20px;}
  .nav-toggle{display:inline-flex;}
  .nav-list{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:16px 20px 48px;overflow-y:auto;
    transform:translateX(100%);transition:transform .28s ease;
    margin-left:0;z-index:55;border-top:1px solid var(--border);
  }
  .nav-list.open{transform:translateX(0);}
  .nav-item{width:100%;}
  .nav-link{
    width:100%;justify-content:space-between;padding:14px 12px;
    font-size:16px;border-radius:12px;background:#fff;
  }
  .nav-link.active{background:var(--primary-light);}
  .nav-link.active::after{display:none;}
  .mega{
    position:static;transform:none;opacity:1;visibility:visible;
    width:100%;box-shadow:none;border:none;background:var(--bg);
    padding:14px;grid-template-columns:1fr;gap:16px;display:none;
  }
  .has-mega.open .mega{display:grid;}
  .has-mega:hover .mega{transform:none;}
  .article-title{font-size:30px;}
  .article-paper{padding:26px 22px 32px;border-radius:16px;}
  .cms-content{font-size:16px;line-height:1.8;}
  .cms-content h2{font-size:22px;}
  .cms-content h3{font-size:19px;}
  .related-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;padding:30px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .header-inner{height:64px;gap:12px;}
  .logo{font-size:16px;}
  .logo-mark{width:30px;height:30px;flex:0 0 30px;font-size:14px;border-radius:9px;}
  .header-actions .btn-primary{display:none;}
  .nav-list{top:64px;}
  .article-hero{padding:20px 0 30px;}
  .article-title{font-size:26px;letter-spacing:-.2px;}
  .article-body-section{padding-top:32px;}
  .cms-content{font-size:15.5px;}
  .cms-content img{margin:18px auto;}
  .related-section{padding-top:52px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:22px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{margin-top:56px;}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;min-width:150px;}
  .site-footer{margin-top:56px;padding-top:40px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;}
  .article-foot-nav{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .btn{min-height:44px;}
  .btn-lg{height:48px;padding:0 20px;font-size:15px;}
  .article-paper{padding:22px 16px 26px;}
  .article-title{font-size:23px;}
  .cms-content h2{font-size:20px;margin:32px 0 12px;}
  .cms-content h3{font-size:17.5px;}
  .breadcrumb .current{max-width:220px;}
}

/* roulang page: category2 */
:root{
  --primary:#0E6BA8;
  --primary-dark:#0A4F7A;
  --primary-light:#E8F3FB;
  --orange:#F97316;
  --teal:#14B8A6;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --border:#E3EAF2;
  --text:#1F2937;
  --muted:#64748B;
  --success:#16A34A;
  --warning:#D97706;
  --error:#DC2626;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(14,107,168,.08);
  --shadow-hover:0 14px 34px rgba(14,107,168,.14);
  --shadow-mega:0 20px 50px rgba(15,60,100,.16);
  --section-gap:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:#111827}
p{margin:0}
ul,ol{margin:0;padding:0}
li{list-style:none}
:focus-visible{outline:3px solid rgba(14,107,168,.25);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;text-decoration:none;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(14,107,168,.22)}
.btn-primary:hover{background:#0c5f95;color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(14,107,168,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(14,107,168,.22)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:rgba(14,107,168,.06);color:var(--primary-dark)}
.btn-ghost{background:transparent;color:var(--primary);padding:0 4px}
.btn-ghost:hover{color:var(--primary-dark);text-decoration:underline}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(14,107,168,.05);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--primary-dark);letter-spacing:.2px;white-space:nowrap;
}
.logo:hover{color:var(--primary-dark)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--primary),var(--teal));
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;
}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text);
}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  background:var(--primary);border-radius:3px;
}
.nav-caret{
  width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translate(-2px,-2px);opacity:.6;
}
.header-cta{min-height:42px;padding:0 18px;font-size:14px}
.menu-toggle{
  display:none;margin-left:auto;align-items:center;gap:8px;
  min-height:44px;padding:0 14px;border:1px solid var(--border);border-radius:var(--radius-btn);
  background:#fff;color:var(--primary-dark);font-size:14px;font-weight:600;cursor:pointer;
}
.menu-toggle:hover{background:var(--primary-light)}

/* ---------- mega ---------- */
.mega{
  position:absolute;top:calc(100% + 10px);right:0;width:820px;
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-mega);padding:22px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-item.has-mega:hover .mega,
.nav-item.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.06em;margin-bottom:12px}
.mega-links{display:grid;gap:8px}
.mega-link{
  display:block;padding:12px 14px;border-radius:12px;border:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.mega-link:hover{background:var(--primary-light);border-color:#d5e8f6}
.mega-link strong{display:block;font-size:15px;color:var(--primary-dark);font-weight:600}
.mega-link span{display:block;font-size:13px;color:var(--muted);line-height:1.6;margin-top:2px}
.mega-news{display:grid;gap:10px}
.mega-news-item{
  display:flex;align-items:center;gap:12px;padding:10px;border-radius:12px;
  border:1px solid var(--border);transition:box-shadow .2s ease,transform .2s ease;
}
.mega-news-item:hover{box-shadow:var(--shadow-card);transform:translateY(-2px)}
.mega-news-item img{width:48px;height:48px;border-radius:10px;object-fit:cover;flex:0 0 48px}
.mega-news-item b{display:block;font-size:14px;color:var(--text);font-weight:600}
.mega-news-item em{display:block;font-size:12px;color:var(--muted);font-style:normal;margin-top:2px}

/* ---------- breadcrumb ---------- */
.crumb{background:#fff;border-bottom:1px solid var(--border)}
.crumb-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted)}
.crumb-inner a{color:var(--muted)}
.crumb-inner a:hover{color:var(--primary)}
.crumb-sep{color:#c3d2e0}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:#EAF3FA url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--border);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(255,255,255,.97) 0%,rgba(236,246,252,.93) 48%,rgba(232,243,251,.74) 100%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(14,107,168,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,107,168,.05) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.45fr .85fr;gap:44px;
  align-items:center;padding:72px 0 76px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(14,107,168,.1);color:var(--primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal)}
.cat-hero h1{
  font-size:44px;line-height:1.28;margin:18px 0 16px;letter-spacing:-.01em;max-width:20em;
}
.cat-hero-sub{font-size:17px;color:#41546a;max-width:44em;line-height:1.8}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:13px;color:var(--muted)}
.cat-hero-meta span{display:inline-flex;align-items:center;gap:7px}
.cat-hero-meta span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}
.status-panel{
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-card);padding:24px;
}
.status-panel h2{font-size:17px;margin-bottom:4px}
.status-panel .status-sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.status-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 0;border-bottom:1px dashed var(--border);font-size:14px;
}
.status-row:last-of-type{border-bottom:none}
.status-row .k{color:var(--muted)}
.status-row .v{font-weight:600;color:var(--primary-dark)}
.dot-ok{display:inline-flex;align-items:center;gap:7px;color:var(--success);font-weight:600}
.dot-ok::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--success)}
.dot-warn{display:inline-flex;align-items:center;gap:7px;color:var(--warning);font-weight:600}
.dot-warn::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--warning)}
.status-note{
  margin-top:18px;padding:12px 14px;border-radius:12px;background:var(--primary-light);
  font-size:13px;color:var(--primary-dark);line-height:1.7;
}

/* ---------- section shells ---------- */
.section{padding:var(--section-gap) 0}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:30px;line-height:1.35}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.tagline{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--primary-light);color:var(--primary-dark);
  font-size:13px;font-weight:600;margin-bottom:14px;
}

/* ---------- signature strip ---------- */
.signature{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:26px;
}
.sig-item{display:flex;gap:14px;align-items:flex-start}
.sig-num{
  font-family:Inter,"PingFang SC",sans-serif;font-size:15px;font-weight:700;color:var(--primary);
  background:var(--primary-light);border-radius:10px;width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
}
.sig-item h3{font-size:16px;margin-bottom:4px}
.sig-item p{font-size:14px;color:var(--muted);line-height:1.65}

/* ---------- matrix ---------- */
.matrix{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
}
.matrix-row{display:grid;grid-template-columns:1.05fr 1fr 1fr 1.15fr}
.matrix-row + .matrix-row{border-top:1px solid var(--border)}
.matrix-head{background:var(--primary-light);color:var(--primary-dark);font-weight:600;font-size:14px}
.matrix-cell{padding:16px 18px;font-size:14.5px;line-height:1.7;border-right:1px solid var(--border)}
.matrix-cell:last-child{border-right:none}
.matrix-cell strong{font-weight:600;color:var(--primary-dark)}
.matrix-body .matrix-cell:first-child{font-weight:600;color:var(--text);background:#fbfdff}
.matrix-tip{font-size:13px;color:var(--muted);margin-top:14px}
.after-tag{
  display:inline-block;padding:2px 8px;border-radius:var(--radius-pill);
  background:rgba(20,184,166,.12);color:#0f766e;font-size:12px;font-weight:600;margin-right:6px;
}
.before-tag{
  display:inline-block;padding:2px 8px;border-radius:var(--radius-pill);
  background:#f1f5f9;color:var(--muted);font-size:12px;font-weight:600;margin-right:6px;
}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;gap:18px}
.timeline::before{
  content:"";position:absolute;left:104px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(14,107,168,.35),rgba(14,107,168,.06));
}
.tl-item{display:grid;grid-template-columns:88px 1fr;gap:32px;align-items:flex-start}
.tl-label{
  font-family:Inter,"PingFang SC",sans-serif;font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-light);border-radius:var(--radius-pill);padding:5px 10px;text-align:center;
}
.tl-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease,transform .2s ease;
}
.tl-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.tl-card::before{
  content:"";position:absolute;left:-26px;top:26px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.tl-card h3{font-size:19px;margin-bottom:8px}
.tl-card p{font-size:14.5px;color:#465b70;line-height:1.75}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-block;padding:4px 11px;border-radius:var(--radius-pill);
  background:var(--primary-light);color:var(--primary-dark);font-size:12.5px;font-weight:600;
}
.tag-orange{background:rgba(249,115,22,.12);color:#c2410c}
.tag-teal{background:rgba(20,184,166,.13);color:#0f766e}

/* ---------- checklist + figure ---------- */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.check-list{display:grid;gap:14px;margin-top:6px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease,transform .2s ease;
}
.check-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.check-ico{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(20,184,166,.14);color:#0f766e;font-weight:700;font-size:14px;
}
.check-item h3{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--muted);line-height:1.7}
.figure-card{
  position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow-card);background:#fff;
}
.figure-card img{width:100%;height:380px;object-fit:cover}
.figure-caption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(255,255,255,.94);border:1px solid var(--border);border-radius:14px;
  padding:14px 16px;font-size:13.5px;color:#41546a;line-height:1.65;
  box-shadow:0 8px 20px rgba(14,107,168,.1);
}
.figure-caption b{display:block;color:var(--primary-dark);font-size:14px;margin-bottom:3px}

/* ---------- case cards ---------- */
.case-scroll{
  display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 40px) / 3);
  gap:20px;overflow-x:auto;padding:6px 6px 20px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.case-card{
  scroll-snap-align:start;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease;
}
.case-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.case-card img{width:100%;height:160px;object-fit:cover}
.case-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.case-top{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.case-body h3{font-size:18px}
.case-body p{font-size:14px;color:var(--muted);line-height:1.7}
.case-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);
  display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);
}
.case-foot .stat{font-family:Inter,"PingFang SC",sans-serif;font-weight:700;color:var(--primary-dark);font-size:15px}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
.faq-side{position:sticky;top:96px}
.faq-side h2{font-size:28px;line-height:1.4}
.faq-side p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.8}
.faq-side .btn{margin-top:22px}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.faq-item[open]{border-color:#cfe3f4;box-shadow:var(--shadow-hover)}
.faq-q{
  display:flex;align-items:center;gap:14px;min-height:62px;padding:16px 22px;
  cursor:pointer;font-size:16.5px;font-weight:600;color:#16202e;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--primary)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;margin-left:auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 22px 20px;font-size:15px;color:#41546a;line-height:1.8}

/* ---------- CTA / form ---------- */
.cta-band{
  background:linear-gradient(180deg,#ffffff 0%,#eef6fc 100%);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.cta-grid h2{font-size:30px;line-height:1.4}
.cta-grid .lead{margin-top:16px;color:#41546a;font-size:16px;line-height:1.8}
.cta-points{display:grid;gap:10px;margin-top:22px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#41546a}
.cta-points li::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);margin-top:8px;flex:0 0 8px;
}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-card);padding:28px;
}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:#33465b;margin-bottom:7px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--border);background:#fbfdff;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2364748B'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:20px}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 3px rgba(14,107,168,.16);
}
.field.has-error input,.field.has-error select{border-color:var(--error);background:#fff5f5}
.field-msg{font-size:13px;color:var(--error);margin-top:6px;display:none}
.field.has-error .field-msg{display:block}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:14px}
.form-success{
  margin-top:14px;padding:12px 14px;border-radius:12px;
  background:rgba(22,163,74,.1);color:#15803d;font-size:13.5px;font-weight:600;
}
.form-success[hidden]{display:none}

/* ---------- footer ---------- */
.site-footer{background:#0A3550;color:#c9dced;padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand .logo{color:#fff;font-size:17px}
.footer-brand .logo-mark{background:linear-gradient(135deg,#1a86c9,#14B8A6)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#a9c4da;max-width:34em}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:#a9c4da}
.footer-links a:hover{color:#fff}
.footer-contact{display:grid;gap:11px;font-size:14px;color:#a9c4da}
.footer-contact span{color:#ffffff}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#93b2ca;
}
.footer-bottom a{color:#cfe3f4}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .cat-hero-inner{grid-template-columns:1fr;gap:34px;padding:56px 0 60px}
  .cat-hero h1{font-size:38px}
  .signature{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:30px}
  .faq-wrap{grid-template-columns:1fr;gap:30px}
  .faq-side{position:static}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .case-scroll{grid-auto-columns:calc((100% - 20px) / 2)}
}
@media (max-width:1023px){
  .menu-toggle{display:inline-flex}
  .nav-list{
    position:fixed;left:0;right:0;top:72px;margin:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 18px 40px rgba(15,60,100,.14);
    padding:10px 16px 20px;max-height:calc(100vh - 72px);overflow-y:auto;
    display:none;
  }
  .nav-list.open{display:flex}
  .nav-item{width:100%}
  .nav-link{width:100%;justify-content:space-between;padding:14px 12px;font-size:15.5px;border-radius:10px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--primary-light)}
  .mega{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:none;padding:4px 0 8px;display:none;
    grid-template-columns:1fr;gap:16px;
  }
  .nav-item.open .mega{display:grid}
  .nav-link .nav-caret{transition:transform .2s ease}
  .nav-item.open .nav-link .nav-caret{transform:rotate(225deg) translate(-2px,-2px)}
  .header-cta{display:none}
}
@media (max-width:900px){
  .matrix-row{grid-template-columns:1fr 1fr}
  .matrix-head{display:none}
  .matrix-body{border-top:none}
  .matrix-cell{border-right:none}
  .matrix-body .matrix-row{grid-template-columns:1fr;border-top:none;border-bottom:1px solid var(--border);padding:6px 0 12px}
  .matrix-body .matrix-row:last-child{border-bottom:none}
  .matrix-body .matrix-cell{padding:8px 18px}
  .matrix-body .matrix-cell::before{
    content:attr(data-label);display:block;font-size:12px;color:var(--muted);
    font-weight:600;letter-spacing:.04em;margin-bottom:2px;
  }
  .matrix-body .matrix-cell:first-child{background:var(--primary-light)}
  .matrix-body .matrix-cell:first-child::before{color:var(--primary-dark)}
}
@media (max-width:768px){
  :root{--section-gap:64px}
  .container{padding:0 16px}
  .cat-hero h1{font-size:30px}
  .cat-hero-sub{font-size:15.5px}
  .section-head h2{font-size:24px}
  .section-head p{font-size:15px}
  .signature{grid-template-columns:1fr;padding:22px}
  .timeline::before{display:none}
  .tl-item{grid-template-columns:1fr;gap:12px}
  .tl-card::before{display:none}
  .case-scroll{grid-auto-columns:86%}
  .faq-side h2{font-size:24px}
  .faq-q{font-size:15.5px;padding:14px 18px;min-height:56px}
  .faq-a{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .figure-card img{height:260px}
  .btn{min-height:44px;padding:0 18px}
  .cat-hero-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
  body{font-size:15px}
  .cat-hero-inner{padding:44px 0 48px}
  .cat-hero h1{font-size:26px}
  .cat-hero-actions{flex-direction:column;align-items:stretch}
  .cat-hero-meta{gap:14px}
  .status-panel{padding:20px}
  .form-card{padding:22px 18px}
  .tl-card{padding:18px}
  .case-body{padding:16px 18px 18px}
  .footer-bottom{font-size:12.5px}
}