/* roulang page: index */
:root{
  --c-primary:#1B4FD8;
  --c-primary-d:#12379C;
  --c-accent:#FF7A45;
  --c-accent-d:#C63F13;
  --c-mint:#12B5A5;
  --bg-page:#F5F8FE;
  --bg-soft:#EDF2FC;
  --bg-card:#FFFFFF;
  --line:#E3E9F5;
  --t1:#0E1B33;
  --t2:#4A566E;
  --t3:#8A93A8;
  --sh1:0 1px 2px rgba(14,27,51,.06);
  --sh2:0 10px 26px -10px rgba(14,27,51,.16);
  --sh3:0 26px 58px -22px rgba(14,27,51,.26);
  --r-card:16px;
  --r-sm:10px;
  --r-btn:12px;
  --container:1180px;
  --dur:.22s;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;}
p{margin:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) ease-out;}
a:hover{color:var(--c-primary-d);}
img{max-width:100%;display:block;object-fit:cover;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--t1);}
:focus-visible{outline:3px solid rgba(27,79,216,.32);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:88px 0;}
.section.soft{background:var(--bg-soft);}
.section.white{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-title{position:relative;font-size:clamp(24px,3vw,34px);line-height:1.3;padding-left:18px;}
.sec-title::before{content:"";position:absolute;left:0;top:.22em;width:6px;height:22px;border-radius:3px;background:var(--c-primary);}
.sec-sub{margin-top:12px;font-size:15px;color:var(--t3);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;white-space:nowrap;}
.link-arrow svg{transition:transform var(--dur) ease-out;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:all var(--dur) ease-out;text-align:center;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:#C9D8F7;}
.btn-outline:hover{background:#EFF4FE;color:var(--c-primary-d);transform:translateY(-2px);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#EE6A33;color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 4px;position:relative;}
.btn-ghost::after{content:"";position:absolute;left:0;bottom:6px;height:2px;width:0;background:var(--c-primary);transition:width var(--dur) ease-out;}
.btn-ghost:hover::after{width:100%;}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:#0E2A6B;color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm);}
.btn-full{width:100%;}
.btn-pill{border-radius:999px;}

/* ---------- badge ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1;white-space:nowrap;}
.badge-primary{background:#E8EFFE;color:var(--c-primary);}
.badge-accent{background:#FFEDE5;color:var(--c-accent-d);}
.badge-mint{background:#E3F7F4;color:#0C8E82;}
.badge-gray{background:#EEF1F7;color:#66708A;}
.badge-soft{background:#fff;color:var(--c-primary);box-shadow:var(--sh1);}

/* ---------- topbar ---------- */
.topbar{background:#0E2A6B;color:#D6E1FA;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px;}
.topbar-info{display:flex;align-items:center;gap:20px;}
.topbar-info span{display:inline-flex;align-items:center;gap:6px;}
.topbar-links{display:flex;align-items:center;gap:18px;}
.topbar-links a{color:#D6E1FA;}
.topbar-links a:hover{color:#fff;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--dur) ease-out;}
.site-header.is-stuck{box-shadow:var(--sh2);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--t1);letter-spacing:-.01em;}
.logo:hover{color:var(--t1);}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#1B4FD8,#12379C);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:700;flex:0 0 36px;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-item{position:relative;}
.nav-item>a{display:inline-flex;align-items:center;gap:6px;height:72px;padding:0 16px;font-size:15px;font-weight:600;color:var(--t2);}
.nav-item>a:hover{color:var(--c-primary);}
.nav-item>a::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--c-primary);transform:scaleX(0);transition:transform var(--dur) ease-out;}
.nav-item.active>a{color:var(--c-primary);}
.nav-item.active>a::after{transform:scaleX(1);}
.nav-item.has-mega>a .caret{transition:transform var(--dur) ease-out;}
.nav-item.has-mega:hover>a .caret{transform:rotate(180deg);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.mega{position:absolute;right:0;top:100%;width:860px;background:#fff;border-radius:16px;box-shadow:var(--sh3);border:1px solid var(--line);padding:26px;display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:26px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity var(--dur) ease-out,transform var(--dur) ease-out,visibility var(--dur);}
.nav-item.has-mega:hover .mega,.nav-item.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:700;color:var(--t3);letter-spacing:.06em;margin-bottom:14px;}
.mega-list li a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--t2);font-weight:500;}
.mega-list li a:hover{background:#F2F6FF;color:var(--c-primary);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-primary);flex:0 0 7px;}
.dot.mint{background:var(--c-mint);}
.dot.accent{background:var(--c-accent);}
.mega-card{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--sh1);display:flex;flex-direction:column;}
.mega-card img{height:112px;width:100%;}
.mega-card-body{padding:14px 16px 16px;}
.mega-card-body strong{display:block;font-size:15px;color:var(--t1);margin:8px 0 10px;}
.mega-card-body .link-arrow{font-size:13px;}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;}
.burger span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:all var(--dur) ease-out;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100%;background:#fff;box-shadow:var(--sh3);transform:translateX(100%);transition:transform var(--dur) ease-out;z-index:90;overflow-y:auto;padding:20px;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-head strong{font-size:16px;color:var(--t1);}
.drawer-close{width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;cursor:pointer;font-size:16px;color:var(--t2);}
.drawer nav a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:0 10px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--t2);}
.drawer nav a:hover{background:#F2F6FF;color:var(--c-primary);}
.drawer nav a.current{background:#E8EFFE;color:var(--c-primary);}
.drawer-foot{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);}
.mask{position:fixed;inset:0;background:rgba(14,27,51,.42);opacity:0;visibility:hidden;transition:all var(--dur) ease-out;z-index:80;}
.mask.open{opacity:1;visibility:visible;}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--bg-page);overflow:hidden;padding:76px 0 88px;}
.hero::before{content:"";position:absolute;right:-140px;top:-160px;width:560px;height:560px;border-radius:50%;background:rgba(27,79,216,.10);}
.hero::after{content:"";position:absolute;left:-120px;bottom:-200px;width:420px;height:420px;border-radius:50%;background:rgba(18,181,165,.07);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-copy .badge{margin-bottom:22px;}
.hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.22;letter-spacing:-.01em;}
.hero-sub{margin-top:20px;font-size:17px;color:var(--t2);max-width:520px;}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}
.stats{margin-top:44px;display:flex;align-items:stretch;gap:0;flex-wrap:wrap;}
.stat{padding:0 26px;border-left:1px solid var(--line);}
.stat:first-child{padding-left:0;border-left:0;}
.stat b{display:block;font-family:Inter,system-ui,sans-serif;font-size:28px;line-height:1.2;color:var(--c-primary);font-weight:700;}
.stat span{font-size:13px;color:var(--t3);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:4/3;border-radius:20px;box-shadow:var(--sh3);}
.hero-float{position:absolute;right:-12px;bottom:-18px;background:#fff;border-radius:var(--r-card);box-shadow:var(--sh3);padding:16px 20px;display:flex;align-items:center;gap:12px;}
.hero-float .ico{width:38px;height:38px;border-radius:var(--r-sm);background:#E8EFFE;display:flex;align-items:center;justify-content:center;color:var(--c-primary);}
.hero-float small{display:block;font-size:12px;color:var(--t3);}
.hero-float strong{font-size:15px;color:var(--t1);}

/* ---------- tiers ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.tier-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh1);transition:all var(--dur) ease-out;position:relative;}
.tier-card:hover{box-shadow:var(--sh2);transform:translateY(-4px);}
.tier-card.featured{border-color:var(--c-primary);box-shadow:var(--sh2);margin-top:-24px;padding:34px 30px;}
.tier-num{margin:18px 0 6px;font-family:Inter,system-ui,sans-serif;font-size:30px;font-weight:700;color:var(--c-accent);line-height:1.15;}
.tier-desc{font-size:14px;color:var(--t3);min-height:44px;}
.tier-list{margin:22px 0 26px;border-top:1px dashed #D9E2F3;padding-top:20px;}
.tier-list li{position:relative;padding-left:20px;font-size:14px;color:var(--t2);margin-bottom:12px;}
.tier-list li::before{content:"";position:absolute;left:0;top:10px;width:10px;height:10px;border-radius:3px;background:var(--c-primary);}
.tier-card.featured .tier-list li::before{background:var(--c-accent);}

/* ---------- compare ---------- */
.table-scroll{overflow-x:auto;padding-bottom:6px;}
.compare{min-width:760px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;}
.cmp-row{display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;}
.cmp-row>div{padding:18px 20px;border-bottom:1px solid var(--line);font-size:15px;display:flex;align-items:center;gap:8px;}
.cmp-row:last-child>div{border-bottom:0;}
.cmp-row.head>div{background:#fff;padding-top:34px;padding-bottom:22px;font-weight:700;color:var(--t1);flex-direction:column;align-items:flex-start;gap:4px;position:relative;}
.cmp-row .lead{background:var(--bg-soft);color:var(--t1);font-weight:600;}
.cmp-row.head .lead{color:var(--t3);font-size:14px;font-weight:600;}
.cmp-row .price{font-family:Inter,system-ui,sans-serif;font-size:30px;color:var(--c-accent);font-weight:700;line-height:1.1;}
.cmp-row .col-rec{background:#FAFCFF;}
.cmp-row .col-rec{border-left:1px solid #E1EAFA;border-right:1px solid #E1EAFA;}
.ribbon{position:absolute;top:0;left:0;right:0;height:24px;background:var(--c-primary);color:#fff;font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;border-radius:0;letter-spacing:.08em;}
.cmp-row .yes{color:var(--c-primary);font-weight:600;}
.cmp-row .no{color:var(--t3);}
.cmp-actions{display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;}
.cmp-actions>div{padding:20px;border-top:1px solid var(--line);background:#fff;}
.scroll-hint{display:none;font-size:13px;color:var(--t3);margin-top:10px;text-align:right;}

/* ---------- promo band ---------- */
.promo-band{display:grid;grid-template-columns:40% 60%;background:#FFF6F1;border-left:6px solid var(--c-accent);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;min-height:148px;}
.promo-cd{display:flex;align-items:center;justify-content:center;gap:10px;padding:24px;border-right:1px dashed #FFD9C6;}
.cd-block{width:56px;height:56px;background:#fff;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--sh1);}
.cd-block b{font-family:Inter,system-ui,sans-serif;font-size:20px;color:var(--c-primary);line-height:1;}
.cd-block span{font-size:11px;color:var(--t3);margin-top:4px;}
.cd-sep{font-weight:700;color:var(--c-accent);font-size:18px;}
.promo-copy{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 32px;}
.promo-copy h3{font-size:20px;margin-bottom:8px;}
.promo-copy p{font-size:14px;color:var(--t2);}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.contact-points li{display:flex;gap:12px;margin-bottom:22px;font-size:15px;}
.contact-points .tick{flex:0 0 22px;height:22px;border-radius:50%;background:#E8EFFE;color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-top:4px;}
.contact-points strong{display:block;color:var(--t1);font-size:16px;margin-bottom:2px;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh2);}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--t1);margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid #D9E2F3;border-radius:var(--r-sm);background:#fff;transition:border-color var(--dur) ease-out,box-shadow var(--dur) ease-out;}
.field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:112px;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(27,79,216,.14);outline:none;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t2);margin-bottom:22px;}
.check input{width:18px;height:18px;border-radius:4px;accent-color:var(--c-primary);margin-top:3px;flex:0 0 18px;}
.form-msg{margin-top:14px;font-size:14px;padding:10px 14px;border-radius:var(--r-sm);display:none;}
.form-msg.ok{display:block;background:#E3F7F4;color:#0C8E82;}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);transition:all var(--dur) ease-out;display:flex;flex-direction:column;}
.post-card:hover{box-shadow:var(--sh2);transform:translateY(-4px);}
.post-thumb{position:relative;aspect-ratio:16/9;background:var(--bg-soft);}
.post-thumb img{width:100%;height:100%;}
.post-thumb .badge{position:absolute;left:14px;top:14px;}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:18px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{color:var(--t1);}
.post-body h3 a:hover{color:var(--c-primary);}
.post-body p{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);}
.post-meta a{font-weight:600;}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;border:1px dashed #CBD8F1;border-radius:var(--r-card);}
.empty-state svg{color:#B9C7E4;margin-bottom:14px;}
.empty-state p{font-size:14px;color:var(--t3);margin-bottom:18px;}

/* ---------- faq ---------- */
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{width:100%;background:none;border:0;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:17px;font-weight:600;color:var(--t1);cursor:pointer;}
.faq-q .sign{flex:0 0 22px;font-size:20px;line-height:1;color:var(--c-primary);transition:transform var(--dur) ease-out;}
.faq-item.open .faq-q .sign{transform:rotate(45deg);}
.faq-a{display:none;padding:0 22px 22px 22px;position:relative;font-size:15px;line-height:1.8;color:var(--t2);}
.faq-a::before{content:"";position:absolute;left:0;top:2px;bottom:22px;width:3px;background:var(--c-primary);border-radius:2px;}
.faq-item.open .faq-a{display:block;background:#F7F9FD;}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary);color:#fff;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:56px;background:var(--bg-page);clip-path:polygon(0 100%,100% 0,100% 100%);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:56px 0 76px;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-inner p{color:#D6E1FA;margin-top:8px;font-size:15px;}
.cta-band.soft{background:var(--bg-soft);}
.cta-band.soft::after{display:none;}
.cta-band.soft .cta-inner h2{color:var(--t1);}
.cta-band.soft .cta-inner p{color:var(--t2);}

/* ---------- footer ---------- */
.site-footer{background:#0E2A6B;color:#C6D4F5;padding-top:64px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:34% 22% 22% 22%;gap:32px;padding-bottom:48px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand p{color:#A9BCE8;font-size:14px;margin-bottom:18px;line-height:1.8;}
.socials{display:flex;gap:10px;}
.socials a{width:36px;height:36px;border-radius:var(--r-sm);border:1px solid rgba(198,212,245,.3);display:flex;align-items:center;justify-content:center;color:#C6D4F5;}
.socials a:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:#C6D4F5;display:inline-block;transition:all var(--dur) ease-out;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;margin-bottom:13px;align-items:flex-start;color:#C6D4F5;}
.footer-contact svg{flex:0 0 16px;margin-top:5px;color:#8FA9E6;}
.footer-bottom{border-top:1px solid rgba(198,212,245,.18);height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:#9CB1E2;}
.footer-bottom a{color:#9CB1E2;}
.footer-bottom a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .nav-links{display:none;}
  .burger{display:flex;}
  .nav-cta .btn{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-media{order:2;}
  .tier-grid{grid-template-columns:1fr;}
  .tier-card.featured{margin-top:0;padding:28px;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .promo-band{grid-template-columns:1fr;}
  .promo-cd{border-right:0;border-bottom:1px dashed #FFD9C6;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .scroll-hint{display:block;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .topbar-info span:nth-child(2){display:none;}
  .hero{padding:48px 0 64px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .stats{gap:18px;}
  .stat{padding:0 16px;}
  .post-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;justify-content:center;height:auto;padding:16px 0;text-align:center;}
  .promo-copy{flex-direction:column;align-items:flex-start;}
  .promo-copy .btn{width:100%;}
  .cd-block{width:48px;height:48px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1B4FD8;
  --c-primary-d:#12379C;
  --c-accent:#FF7A45;
  --c-mint:#12B5A5;
  --bg-page:#F5F8FE;
  --bg-soft:#EDF2FC;
  --bg-card:#FFFFFF;
  --line:#E3E9F5;
  --t1:#0E1B33;
  --t2:#4A566E;
  --t3:#8A93A8;
  --sh1:0 1px 2px rgba(14,27,51,.06);
  --sh2:0 10px 26px -10px rgba(14,27,51,.16);
  --sh3:0 26px 58px -22px rgba(14,27,51,.26);
  --r-card:16px;
  --r-sm:10px;
  --r-btn:12px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe 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:1.85;
  color:var(--t2);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--c-primary-d)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(27,79,216,.32);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#0E2A6B;color:#DCE6FF;font-size:13px;line-height:36px;height:36px;overflow:hidden}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-links{display:flex;gap:20px}
.topbar-links a{color:#C6D4F5}
.topbar-links a:hover{color:#fff}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease-out}
.site-header.is-stuck{box-shadow:var(--sh2)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--t1);font-weight:700;font-size:17px;letter-spacing:-.01em}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  height:32px;padding:0 12px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));
  color:#fff;font-family:var(--font-num);font-size:15px;font-weight:700;letter-spacing:.02em;
}
.logo:hover{color:var(--c-primary)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-item > a{
  display:inline-flex;align-items:center;gap:6px;
  height:72px;padding:0 14px;font-size:15px;font-weight:500;color:var(--t2);
  position:relative;transition:color .2s ease-out;
}
.nav-item > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left center;transition:transform .22s ease-out;
}
.nav-item > a:hover{color:var(--c-primary)}
.nav-item > a:hover::after{transform:scaleX(1)}
.nav-item.active > a{color:var(--c-primary);font-weight:600}
.nav-item.active > a::after{transform:scaleX(1)}
.caret{transition:transform .2s ease-out}
.has-mega:hover .caret,.has-mega:focus-within .caret,.has-mega.open .caret{transform:rotate(180deg)}
.mega{
  position:absolute;top:calc(100% + 8px);right:0;width:860px;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh3);
  padding:26px;display:grid;grid-template-columns:1fr 1fr 240px;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega,.has-mega.open .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:13px;font-weight:700;color:var(--t3);letter-spacing:.06em;margin-bottom:12px}
.mega-list li{margin-bottom:4px}
.mega-list a{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--t2);transition:background .2s ease-out,color .2s ease-out}
.mega-list a:hover{background:var(--bg-soft);color:var(--c-primary)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-primary);flex:0 0 auto}
.dot.mint{background:var(--c-mint)}
.dot.accent{background:var(--c-accent)}
.mega-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg-card);display:flex;flex-direction:column}
.mega-card img{width:100%;height:118px;object-fit:cover}
.mega-card-body{padding:14px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.mega-card-body strong{font-size:14px;color:var(--t1);line-height:1.5}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--c-primary)}
.link-arrow svg{transition:transform .2s ease-out}
.link-arrow:hover svg{transform:translateX(4px)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:transform .2s ease-out}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
.drawer{
  position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100%;background:#fff;z-index:90;
  box-shadow:var(--sh3);transform:translateX(100%);transition:transform .24s ease-out;
  padding:24px 20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-title{font-size:13px;font-weight:700;color:var(--t3);letter-spacing:.06em;margin:18px 0 8px}
.drawer a{display:block;padding:11px 12px;border-radius:10px;font-size:15px;color:var(--t2)}
.drawer a:hover,.drawer a.active{background:var(--bg-soft);color:var(--c-primary)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;color:var(--t2);font-size:18px;line-height:1}
.scrim{position:fixed;inset:0;background:rgba(14,27,51,.4);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s;z-index:80}
.scrim.open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out;
}
.btn svg{flex:0 0 auto}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:#C9D8F7}
.btn-outline:hover{background:#EFF4FE;color:var(--c-primary-d);transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0;height:auto;position:relative}
.btn-ghost::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:100%;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn-block{width:100%}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1}
.badge-primary{background:#E8EFFE;color:var(--c-primary)}
.badge-accent{background:#FFEDE5;color:#C63F13}
.badge-mint{background:#E2F7F4;color:#0B857A}
.badge-gray{background:#EEF1F7;color:var(--t3)}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);padding:16px 0}
.breadcrumb a{color:var(--t3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#C3CBDB}
.breadcrumb .current{color:var(--c-primary);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;background:var(--bg-page);overflow:hidden;padding:56px 0 0}
.cat-hero::after{
  content:"";position:absolute;left:-110px;bottom:-160px;width:240px;height:240px;border-radius:50%;
  background:rgba(27,79,216,.10);
}
.cat-hero::before{
  content:"";position:absolute;right:-90px;top:-120px;width:260px;height:260px;border-radius:50%;
  background:rgba(27,79,216,.06);
}
.cat-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 46%;gap:44px;align-items:end;min-height:280px}
.hero-copy{padding-bottom:44px}
.hero-copy h1{font-size:clamp(26px,3.4vw,40px);line-height:1.22;margin:16px 0 14px;letter-spacing:-.01em}
.hero-copy .lead{font-size:16px;color:var(--t2);max-width:520px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative}
.hero-media img{width:100%;height:280px;object-fit:cover;border-radius:20px 20px 0 0;box-shadow:var(--sh1)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-alt{background:#fff}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-title{position:relative;font-size:clamp(24px,3vw,34px);padding-left:18px;line-height:1.3}
.sec-title::before{
  content:"";position:absolute;left:0;top:8px;width:6px;height:22px;border-radius:3px;background:var(--c-primary);
}
.sec-head.center .sec-title{padding-left:0}
.sec-head.center .sec-title::before{display:none}
.sec-desc{font-size:16px;color:var(--t2);margin-top:14px}

/* ---------- 左右图文交替 ---------- */
.split-row{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;margin-bottom:72px}
.split-row:last-child{margin-bottom:0}
.split-row.reverse{grid-template-columns:7fr 5fr}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;box-shadow:var(--sh1)}
.split-text h2{font-size:clamp(21px,2.4vw,27px);line-height:1.4}
.kicker-line{width:12px;height:3px;border-radius:2px;background:var(--c-primary);margin:14px 0 18px}
.split-text p{font-size:16px;color:var(--t2)}
.point-list{margin-top:22px}
.point-list li{display:flex;gap:12px;font-size:16px;color:var(--t2);padding:9px 0}
.point-list li::before{
  content:"";width:16px;height:16px;flex:0 0 16px;border-radius:4px;background:var(--c-primary);
  margin-top:7px;
}

/* ---------- 三列信息卡 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  box-shadow:var(--sh1);transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.icon-box{
  width:44px;height:44px;border-radius:12px;background:#E8EFFE;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.info-card h3{font-size:18px;margin-bottom:10px}
.info-card p{font-size:14.5px;color:var(--t2);line-height:1.8}

/* ---------- 指标条 ---------- */
.stat-bar{
  background:#0E2A6B;border-radius:16px;padding:34px 32px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;color:#fff;
}
.stat-item{position:relative;padding-left:20px}
.stat-item::before{content:"";position:absolute;left:0;top:6px;width:6px;height:22px;border-radius:3px;background:var(--c-accent)}
.stat-num{font-family:var(--font-num);font-size:28px;font-weight:700;line-height:1.2;color:#fff}
.stat-label{font-size:13px;color:#B9C9EE;margin-top:6px}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--t1);line-height:1.55;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .22s ease-out,opacity .22s ease-out}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out}
.faq-a-inner{
  margin:0 22px 20px;padding:16px 18px;background:#F7F9FD;border-left:3px solid var(--c-primary);
  border-radius:0 10px 10px 0;font-size:15px;line-height:1.8;color:var(--t2);
}
.faq-item.open .faq-a{max-height:420px}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--bg-soft);border:1px solid #D8E3F8;border-radius:20px;
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);line-height:1.4}
.cta-band p{font-size:15px;color:var(--t2);margin-top:10px;max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E2A6B;color:#C6D4F5;margin-top:88px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:34% 22% 22% 22%;gap:32px;padding:64px 0 44px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.14)}
.footer-brand p{font-size:14px;color:#B9C9EE;line-height:1.8;margin-bottom:18px}
.socials{display:flex;gap:10px}
.socials a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(198,212,245,.28);
  display:flex;align-items:center;justify-content:center;color:#C6D4F5;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.socials a:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#C6D4F5;font-size:14px;display:inline-block;transition:color .2s ease-out,transform .2s ease-out}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:#C6D4F5;font-size:14px;line-height:1.6}
.footer-contact svg{margin-top:3px;flex:0 0 16px;color:#7FA0EA}
.footer-bottom{
  border-top:1px solid rgba(198,212,245,.18);height:56px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:13px;color:#9DB2E0;flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .topbar{display:none}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;min-height:auto}
  .hero-copy{padding-bottom:0}
  .hero-media img{height:230px;border-radius:20px}
  .cat-hero{padding:40px 0 32px}
  .split-row,.split-row.reverse{grid-template-columns:1fr;gap:26px;margin-bottom:56px}
  .split-row.reverse .split-media{order:-1}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 36px}
  .section{padding:64px 0}
  .stat-bar{grid-template-columns:1fr;gap:20px;padding:28px 24px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .sec-head{margin-bottom:32px}
  .info-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .cta-band .btn{width:100%}
  .hero-actions .btn{width:100%}
  .faq-q{font-size:16px;padding:17px 18px}
  .faq-a-inner{margin:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{height:auto;padding:16px 0;justify-content:center;text-align:center}
  .hero-media img{height:200px}
}
@media (max-width:520px){
  .logo{font-size:15px}
  .logo-mark{height:28px;padding:0 10px;font-size:13px}
  .hero-copy h1{font-size:clamp(22px,6.4vw,30px)}
  .stat-num{font-size:24px}
}

/* roulang page: article */
:root{
  --c-primary:#1B4FD8;
  --c-primary-d:#12379C;
  --c-accent:#FF7A45;
  --c-accent-d:#C63F13;
  --c-mint:#12B5A5;
  --bg-page:#F5F8FE;
  --bg-soft:#EDF2FC;
  --bg-card:#FFFFFF;
  --bg-deep:#0E2A6B;
  --line:#E3E9F5;
  --line-2:#D9E2F3;
  --t1:#0E1B33;
  --t2:#4A566E;
  --t3:#8A93A8;
  --r-card:16px;
  --r-sm:10px;
  --r-btn:12px;
  --sh1:0 1px 2px rgba(14,27,51,.06);
  --sh2:0 10px 26px -10px rgba(14,27,51,.16);
  --sh3:0 26px 58px -22px rgba(14,27,51,.26);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--t2);
  font-family:"Inter","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{color:var(--t1);font-weight:700;line-height:1.3;margin:0;}
p{margin:0 0 1.2em;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background-color var(--ease);}
a:hover{color:var(--c-primary-d);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;object-fit:cover;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(27,79,216,.32);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.row{max-width:1180px;}
.row .columns{padding-left:.9375rem;padding-right:.9375rem;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--bg-deep);color:#fff;font-size:13px;height:36px;display:flex;align-items:center;}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.topbar-left{display:flex;align-items:center;gap:8px;color:#C6D4F5;}
.topbar-left svg{flex:0 0 auto;}
.topbar-right{display:flex;gap:20px;}
.topbar-right a{color:#fff;opacity:.86;}
.topbar-right a:hover{opacity:1;color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh2);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--t1);font-size:17px;letter-spacing:-.01em;}
.logo:hover{color:var(--t1);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 12px;border-radius:10px;
  background:var(--c-primary);color:#fff;font-size:16px;font-weight:700;letter-spacing:.02em;
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-item{position:relative;}
.nav-item > a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:0 14px;height:72px;font-size:15px;font-weight:500;color:var(--t2);
}
.nav-item > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:3px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-item:hover > a,.nav-item > a:hover{color:var(--c-primary);}
.nav-item:hover > a::after,.nav-item.active > a::after{transform:scaleX(1);}
.nav-item.active > a{color:var(--c-primary);font-weight:600;}
.nav-item .caret{transition:transform var(--ease);}
.nav-item.has-mega:hover .caret,.nav-item.has-mega:focus-within .caret{transform:rotate(180deg);}

.mega{
  position:absolute;top:64px;right:0;width:860px;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh3);
  padding:26px;display:grid;grid-template-columns:1fr 1fr 300px;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  z-index:70;
}
.nav-item.has-mega:hover .mega,.nav-item.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;font-weight:700;color:var(--t3);letter-spacing:.08em;margin-bottom:12px;}
.mega-list li{margin-bottom:4px;}
.mega-list a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;font-size:14.5px;color:var(--t2);}
.mega-list a:hover{background:#F4F7FE;color:var(--c-primary);}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary);flex:0 0 auto;}
.dot.mint{background:var(--c-mint);}
.dot.accent{background:var(--c-accent);}
.mega-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:var(--sh1);}
.mega-card img{width:100%;aspect-ratio:16/9;height:auto;}
.mega-card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;align-items:flex-start;}
.mega-card-body strong{font-size:15px;color:var(--t1);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-2);background:#fff;border-radius:12px;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:transform var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;background:#fff;z-index:120;
  transform:translateX(100%);transition:transform 240ms ease-out;box-shadow:var(--sh3);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--line);}
.drawer-close{width:36px;height:36px;border:1px solid var(--line-2);background:#fff;border-radius:10px;cursor:pointer;font-size:18px;line-height:1;color:var(--t2);}
.drawer-nav{padding:10px 12px 24px;}
.drawer-nav a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;font-size:15px;color:var(--t2);}
.drawer-nav a:hover,.drawer-nav a.is-active{background:#EFF4FE;color:var(--c-primary);}
.drawer-sub{padding-left:12px;border-left:2px solid var(--line);margin:4px 0 8px 14px;}
.drawer-sub a{min-height:40px;font-size:14px;}
.scrim{position:fixed;inset:0;background:rgba(14,27,51,.42);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:110;}
.scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);padding:14px 0;margin:0;}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C3CBDB;}
.breadcrumb .current{color:var(--c-primary);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 徽章 / 按钮 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
}
.badge-primary{background:#E8EFFE;color:var(--c-primary);}
.badge-accent{background:#FFEDE5;color:var(--c-accent-d);}
.badge-mint{background:#E3F7F4;color:#0A7D72;}
.badge-gray{background:var(--bg-soft);color:var(--t2);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:#fff;color:var(--c-primary);border-color:#C9D8F7;}
.btn-outline:hover{background:#EFF4FE;color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-ghost{background:transparent;color:var(--c-primary);position:relative;padding:0 4px;height:40px;}
.btn-ghost::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);}
.btn-ghost:hover::after{transform:scaleX(1);}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}

/* ---------- 文章头 ---------- */
.article-hero{background:#fff;padding:38px 0 0;}
.article-head{max-width:820px;}
.article-head h1{
  font-size:clamp(26px,3.2vw,38px);line-height:1.3;letter-spacing:-.01em;margin:14px 0 16px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--t3);margin-bottom:26px;}
.article-meta .divider{width:1px;height:12px;background:var(--line-2);}
.cover-figure{margin:0 0 34px;border-radius:16px;overflow:hidden;box-shadow:var(--sh1);}
.cover-figure img{width:100%;aspect-ratio:16/9;height:auto;}
.cover-cap{font-size:13px;color:var(--t3);text-align:center;padding:10px 12px 0;background:#fff;}

/* ---------- 正文布局 ---------- */
.article-section{padding:8px 0 88px;background:#fff;}
.article-layout{align-items:flex-start;}
.article-body{max-width:820px;font-size:16px;line-height:1.9;color:var(--t2);}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;margin:2.2em 0 .9em;padding-left:18px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;width:6px;height:22px;border-radius:3px;background:var(--c-primary);}
.article-body h3{font-size:18px;font-weight:600;margin:1.8em 0 .7em;}
.article-body h4{font-size:16px;font-weight:600;margin:1.6em 0 .6em;}
.article-body p{margin:0 0 1.2em;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(27,79,216,.28);}
.article-body a:hover{border-bottom-color:var(--c-primary);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.4em;}
.article-body ul{list-style:none;padding-left:1.2em;}
.article-body ul li{position:relative;margin:.5em 0;line-height:1.8;}
.article-body ul li::before{content:"";position:absolute;left:-1.2em;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--c-primary);}
.article-body ol{list-style:decimal;padding-left:1.6em;}
.article-body ol li{margin:.5em 0;line-height:1.8;}
.article-body ol li::marker{color:var(--c-primary);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;background:var(--bg-page);border-left:4px solid var(--c-primary);
  border-radius:0 12px 12px 0;color:var(--t1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.4em auto;width:100%;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto;white-space:nowrap;}
.article-body thead th{background:var(--bg-soft);color:var(--t1);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FAFCFF;}
.article-body pre{background:var(--bg-deep);color:#E7EDFB;padding:18px 20px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7;}
.article-body code{font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:.94em;}
.article-body p code,.article-body li code{background:var(--bg-soft);color:var(--c-primary-d);padding:2px 6px;border-radius:6px;}
.article-body hr{border:none;height:1px;background:var(--line);margin:2em 0;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:88px;}
.side-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);margin-bottom:24px;
}
.side-card:hover{box-shadow:var(--sh2);}
.side-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--t1);margin-bottom:16px;}
.side-title::before{content:"";width:6px;height:20px;border-radius:3px;background:var(--c-primary);}
.hot-list li + li{border-top:1px solid var(--line);}
.hot-list a{display:flex;gap:12px;padding:12px 0;color:var(--t2);font-size:14.5px;}
.hot-list a:hover{color:var(--c-primary);}
.hot-list .num{font-size:20px;font-weight:700;color:var(--c-primary);line-height:1.2;flex:0 0 22px;opacity:.55;}
.hot-list .hot-body{display:flex;flex-direction:column;gap:4px;}
.hot-list .hot-title{overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.55;}
.hot-list time{font-size:13px;color:var(--t3);}
.side-cta{background:var(--c-primary);border-color:var(--c-primary);color:#fff;text-align:left;}
.side-cta .side-title{color:#fff;}
.side-cta .side-title::before{background:#fff;opacity:.7;}
.side-cta p{color:rgba(255,255,255,.86);font-size:14.5px;margin-bottom:18px;}
.side-cta .btn{background:#fff;color:var(--c-primary);}
.side-cta .btn:hover{background:#EFF4FE;color:var(--c-primary-d);}
.side-cats a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--t2);
}
.side-cats a:hover{background:#F4F7FE;color:var(--c-primary);}
.side-cats .count{font-size:13px;color:var(--t3);}

/* ---------- 文末区 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:40px 0 0;}
.tag-row .tag-label{font-size:13px;color:var(--t3);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--bg-soft);color:var(--t2);font-size:13.5px;transition:background-color var(--ease),color var(--ease);
}
.tag:hover{background:#E1E9FC;color:var(--c-primary);}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:34px 0 26px;}
.post-nav-card{
  display:flex;flex-direction:column;gap:8px;padding:20px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh1);color:var(--t1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#C9D8F7;color:var(--t1);}
.post-nav-card .pn-label{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-primary);font-weight:600;}
.post-nav-card .pn-title{font-size:15.5px;font-weight:600;line-height:1.55;color:var(--t1);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.post-nav-card.next{text-align:right;}
.post-nav-card.next .pn-label{justify-content:flex-end;}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:640px;margin:0 auto;padding:56px 28px;text-align:center;
  background:var(--bg-page);border:1px dashed var(--line-2);border-radius:var(--r-card);
}
.empty-state svg{color:#B9C6E2;margin-bottom:16px;}
.empty-state p{font-size:14.5px;color:var(--t3);margin-bottom:20px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-soft);}
.section-white{background:#fff;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
.section-title{position:relative;font-size:clamp(24px,3vw,34px);padding-left:18px;letter-spacing:-.01em;}
.section-title::before{content:"";position:absolute;left:0;top:.24em;width:6px;height:22px;border-radius:3px;background:var(--c-primary);}
.section-desc{margin-top:10px;font-size:15px;color:var(--t2);max-width:640px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh1);transition:transform var(--ease),box-shadow var(--ease);
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.post-thumb{position:relative;background:var(--bg-soft);}
.post-thumb img{width:100%;aspect-ratio:16/9;height:auto;}
.post-thumb .badge{position:absolute;left:14px;top:14px;}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:18px;line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.post-body h3 a{color:var(--t1);}
.post-body h3 a:hover{color:var(--c-primary);}
.post-body p{font-size:14px;line-height:1.75;color:var(--t2);margin:0;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);padding-top:14px;border-top:1px solid var(--line);}
.post-foot .more{font-weight:600;color:var(--c-primary);}
.post-foot .more:hover{color:var(--c-primary-d);}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:none;}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--t1);cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:20px;font-weight:600;color:var(--c-primary);line-height:1;transition:transform var(--ease);}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq details[open] summary{color:var(--c-primary);}
.faq .faq-answer{padding:0 24px 22px;background:#F7F9FD;border-left:3px solid var(--c-primary);font-size:15px;line-height:1.8;color:var(--t2);padding-top:16px;}
.faq .faq-answer p:last-child{margin-bottom:0;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-primary);color:#fff;padding:44px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.01em;}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px;margin:8px 0 0;}
.cta-band .btn{background:#fff;color:var(--c-primary);}
.cta-band .btn:hover{background:#EFF4FE;color:var(--c-primary-d);transform:translateY(-2px);box-shadow:0 10px 26px -10px rgba(8,20,60,.5);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);color:#C6D4F5;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:34% 22% 22% 22%;gap:24px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9BBE6;margin:16px 0 18px;max-width:320px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(198,212,245,.28);
  display:inline-flex;align-items:center;justify-content:center;color:#C6D4F5;
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.socials a:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{display:inline-block;color:#C6D4F5;font-size:14px;transition:color var(--ease),transform var(--ease);}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#C6D4F5;margin-bottom:12px;line-height:1.7;}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:#8FA6DA;}
.footer-bottom{border-top:1px solid rgba(198,212,245,.16);margin-top:48px;height:56px;display:flex;align-items:center;}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#9FB2DE;width:100%;}
.footer-bottom-inner a{color:#C6D4F5;}
.footer-bottom-inner a:hover{color:#fff;}

/* ---------- 分页组件（预留） ---------- */
.pager{display:flex;justify-content:center;gap:10px;margin-top:36px;}
.pager a{
  min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);border-radius:12px;background:#fff;color:var(--t2);font-size:14px;
}
.pager a:hover{background:#EFF4FE;color:var(--c-primary);}
.pager a.current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .topbar{display:none;}
  .section{padding:56px 0;}
  .article-section{padding-bottom:56px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .article-side{position:static;margin-top:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:36px 0;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .nav-wrap{height:64px;}
  .nav-item > a{height:64px;}
  .logo{font-size:15px;}
  .logo-mark{height:30px;padding:0 10px;font-size:14px;}
  .article-hero{padding-top:26px;}
  .article-body{font-size:15.5px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-card.next{text-align:left;}
  .post-nav-card.next .pn-label{justify-content:flex-start;}
  .grid-3{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{height:auto;padding:18px 0;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:8px;}
  .breadcrumb .current{max-width:220px;}
}
@media screen and (max-width:520px){
  .faq summary{font-size:15.5px;padding:16px 18px;}
  .faq .faq-answer{padding:14px 18px 18px;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1B4FD8;
  --c-primary-d:#12379C;
  --c-footer:#0E2A6B;
  --c-accent:#FF7A45;
  --c-mint:#12B5A5;
  --bg-page:#F5F8FE;
  --bg-soft:#EDF2FC;
  --line:#E3E9F5;
  --t1:#0E1B33;
  --t2:#4A566E;
  --t3:#8A93A8;
  --r-card:16px;
  --r-sm:10px;
  --r-btn:12px;
  --sh1:0 1px 2px rgba(14,27,51,.06);
  --sh2:0 10px 26px -10px rgba(14,27,51,.16);
  --sh3:0 26px 58px -22px rgba(14,27,51,.26);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(27,79,216,.32);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh2);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.logo{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:700;color:var(--t1);white-space:nowrap;}
.logo:hover{color:var(--t1);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  height:32px;padding:0 11px;border-radius:9px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));
  color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em;
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-item{position:relative;}
.nav-item > a{
  position:relative;display:inline-flex;align-items:center;gap:5px;
  height:72px;padding:0 14px;font-size:15px;color:var(--t2);font-weight:500;
}
.nav-item > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:var(--c-primary);
  transform:scaleX(0);transform-origin:center;transition:transform .22s ease-out;
}
.nav-item > a:hover{color:var(--c-primary);}
.nav-item > a:hover::after{transform:scaleX(1);}
.nav-item.active > a{color:var(--c-primary);font-weight:600;}
.nav-item.active > a::after{transform:scaleX(1);}
.caret{transition:transform .22s ease-out;}
.has-mega:hover .caret,.has-mega:focus-within .caret{transform:rotate(180deg);}
.mega{
  position:absolute;top:100%;right:0;width:860px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh3);padding:26px;
  display:grid;grid-template-columns:1fr 1fr 240px;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;color:var(--t3);letter-spacing:.04em;margin-bottom:12px;font-weight:600;}
.mega-list li{margin-bottom:6px;}
.mega-list a{
  display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:var(--r-sm);
  font-size:14.5px;color:var(--t2);transition:background .2s ease-out,color .2s ease-out;
}
.mega-list a:hover{background:var(--bg-soft);color:var(--c-primary);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-primary);flex:none;}
.dot.mint{background:var(--c-mint);}
.dot.accent{background:var(--c-accent);}
.mega-card{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg-page);}
.mega-card img{width:100%;height:112px;object-fit:cover;}
.mega-card-body{padding:14px;}
.mega-card-body strong{display:block;font-size:15px;color:var(--t1);margin:8px 0 6px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;}
.link-arrow svg{transition:transform .2s ease-out;}
.link-arrow:hover svg{transform:translateX(3px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;padding:0;cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--t1);border-radius:2px;
  transition:transform .2s ease-out,opacity .2s ease-out;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.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);}

/* ---------- 通用组件 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
}
.badge-primary{background:#E8EFFE;color:var(--c-primary);}
.badge-mint{background:#E2F6F4;color:#0A8B7F;}
.badge-accent{background:#FFEDE5;color:#C63F13;}
.badge-grey{background:#EEF1F7;color:var(--t2);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s ease-out,color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:#C9D8F7;}
.btn-ghost:hover{background:#EFF4FE;color:var(--c-primary-d);}
.btn-white{background:#fff;color:var(--c-primary);}
.btn-white:hover{background:#E8EFFE;color:var(--c-primary-d);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-block{width:100%;}
.section{padding:88px 0;}
.section-tight{padding:0 0 88px;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2,.h2-line{
  position:relative;padding-left:18px;
  font-size:clamp(24px,3vw,34px);line-height:1.3;
}
.section-head h2::before,.h2-line::before{
  content:"";position:absolute;left:0;top:6px;width:6px;height:22px;border-radius:3px;background:var(--c-primary);
}
.section-head p{margin-top:12px;font-size:16px;color:var(--t2);}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#E8EFFE;color:var(--c-primary);font-size:13px;font-weight:600;margin-bottom:14px;
}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--bg-page);
  min-height:320px;display:flex;align-items:center;padding:56px 0;
}
.page-hero::before{
  content:"";position:absolute;left:-140px;bottom:-170px;width:380px;height:380px;border-radius:50%;
  background:rgba(27,79,216,.09);
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-120px;width:300px;height:300px;border-radius:50%;
  background:rgba(18,181,165,.08);
}
.page-hero .container{position:relative;z-index:1;}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.22;letter-spacing:-.01em;max-width:820px;
}
.hero-sub{margin-top:16px;font-size:17px;color:var(--t2);max-width:640px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;height:52px;font-size:13px;color:var(--t3);}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C4CDE0;}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}

/* ---------- 步骤流 ---------- */
.steps-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:32px;align-items:start;}
.steps-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:34px 32px;
}
.step{display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px;padding-bottom:32px;position:relative;}
.step:last-child{padding-bottom:0;}
.step-rail{position:relative;display:flex;justify-content:center;}
.step-rail::before{
  content:"";position:absolute;top:36px;bottom:-32px;left:50%;transform:translateX(-50%);
  width:2px;background:#D9E2F3;
}
.step:last-child .step-rail::before{display:none;}
.step-dot{
  position:relative;z-index:1;width:32px;height:32px;border-radius:999px;
  border:2px solid var(--c-primary);background:#fff;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.step-body h3{font-size:20px;line-height:1.45;margin-bottom:8px;}
.step-body p{font-size:15px;line-height:1.8;color:var(--t2);}
.step-body p + p{margin-top:6px;}
.step-tag{margin-top:10px;display:inline-flex;}

/* 侧栏 */
.steps-side{position:sticky;top:96px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);overflow:hidden;
}
.side-img{width:100%;height:170px;object-fit:cover;}
.side-body{padding:24px;}
.side-body h3{font-size:19px;margin-bottom:10px;}
.side-body > p{font-size:14.5px;line-height:1.8;color:var(--t2);}
.side-list{margin:16px 0 20px;}
.side-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--t2);line-height:1.75;margin-bottom:8px;
}
.side-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-primary);
}

/* ---------- 数据条 ---------- */
.data-bar{
  background:var(--c-footer);border-radius:var(--r-card);padding:36px 34px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;color:#fff;box-shadow:var(--sh2);
}
.data-item{position:relative;padding-left:22px;}
.data-item::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:38px;border-radius:3px;background:var(--c-mint);
}
.data-item strong{
  display:block;font-size:clamp(26px,3vw,34px);line-height:1.1;color:#fff;font-weight:700;
  font-family:Inter,system-ui,sans-serif;
}
.data-item span{display:block;margin-top:6px;font-size:14px;color:#C6D4F5;font-weight:600;}
.data-item p{margin-top:8px;font-size:13.5px;line-height:1.7;color:#AFBFE8;}

/* ---------- FAQ ---------- */
.faq-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:20px 24px 20px 20px;transition:background .2s ease-out;
}
.faq-q:hover{background:#FAFCFF;}
.faq-q span:first-child{font-size:17px;font-weight:600;color:var(--t1);line-height:1.5;}
.faq-icon{position:relative;width:20px;height:20px;flex:none;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .22s ease-out,opacity .22s ease-out;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out;background:#F7F9FD;}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{
  border-left:3px solid var(--c-primary);margin:0 24px 20px 20px;padding:14px 18px;
  font-size:15px;line-height:1.8;color:var(--t2);
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--c-primary);color:#fff;border-radius:var(--r-card);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh2);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px);line-height:1.35;}
.cta-band p{margin-top:10px;font-size:15px;color:#D8E2FB;max-width:640px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);color:#C6D4F5;margin-top:88px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:34% 22% 22% 22%;gap:28px;padding-bottom:48px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9BCE6;max-width:330px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#D6E1FA;transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.socials a:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:#C6D4F5;display:inline-block;transition:color .2s ease-out,transform .2s ease-out;}
.footer-col ul a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#C6D4F5;line-height:1.7;margin-bottom:12px;}
.footer-contact svg{flex:none;margin-top:4px;color:#7E9CE0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA6DA;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:block;}
  .nav-links{
    position:fixed;top:0;right:0;width:280px;height:100vh;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;
    padding:88px 20px 30px;box-shadow:var(--sh3);
    transform:translateX(102%);transition:transform .24s ease-out;overflow-y:auto;z-index:70;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-item{border-bottom:1px solid var(--line);}
  .nav-item > a{height:52px;padding:0 4px;font-size:15.5px;justify-content:space-between;width:100%;}
  .nav-item > a::after{left:0;right:auto;width:40px;bottom:-1px;}
  .mega{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border:0;border-radius:0;padding:0 0 14px;display:none;grid-template-columns:1fr;gap:16px;
  }
  .has-mega:hover .mega,.has-mega:focus-within .mega{display:grid;}
  .mega-card{display:none;}
  .steps-layout{grid-template-columns:1fr;}
  .steps-side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section-tight{padding:0 0 56px;}
  .container{padding:0 18px;}
  .page-hero{padding:44px 0;min-height:0;}
  .hero-sub{font-size:16px;}
  .steps-panel{padding:24px 20px;}
  .step{grid-template-columns:44px minmax(0,1fr);gap:14px;padding-bottom:26px;}
  .step-rail::before{bottom:-26px;}
  .data-bar{grid-template-columns:1fr;padding:28px 22px;gap:22px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-band .btn{width:100%;}
  .breadcrumb{height:auto;padding:14px 0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .footer-bottom{height:auto;padding:16px 0;flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .logo{font-size:16px;}
  .logo-mark{height:28px;font-size:14px;padding:0 9px;}
  .btn{width:100%;}
  .hero-badges .badge{width:auto;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1B4FD8;
  --c-primary-d:#12379C;
  --c-accent:#FF7A45;
  --c-accent-d:#C63F13;
  --c-mint:#12B5A5;
  --bg-page:#F5F8FE;
  --bg-soft:#EDF2FC;
  --card:#FFFFFF;
  --line:#E3E9F5;
  --t1:#0E1B33;
  --t2:#4A566E;
  --t3:#8A93A8;
  --sh1:0 1px 2px rgba(14,27,51,.06);
  --sh2:0 10px 26px -10px rgba(14,27,51,.16);
  --sh3:0 26px 58px -22px rgba(14,27,51,.26);
  --r-card:16px;
  --r-sm:10px;
  --r-btn:12px;
  --container:1180px;
  --ease:200ms ease-out;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background var(--ease),transform var(--ease);}
a:hover{color:var(--c-primary-d);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(27,79,216,.32);outline-offset:2px;border-radius:6px;}

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

/* ============ 顶部信息条 ============ */
.topbar{
  height:36px;
  background:#0E2A6B;
  color:#D6E1FA;
  font-size:13px;
  display:flex;
  align-items:center;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.topbar-left svg{opacity:.85;}
.topbar-right{display:flex;align-items:center;gap:22px;}
.topbar-right a{color:#D6E1FA;font-size:13px;}
.topbar-right a:hover{color:#fff;}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh2);}
.nav-wrap{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  color:var(--t1);
  font-size:17px;
  white-space:nowrap;
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:32px;
  padding:0 12px;
  border-radius:9px;
  background:var(--c-primary);
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
}
.logo:hover{color:var(--c-primary);}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;}

.nav-links{display:flex;align-items:center;gap:6px;}
.nav-item{position:relative;}
.nav-item > a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:72px;
  padding:0 14px;
  color:var(--t2);
  font-size:15px;
  font-weight:500;
  position:relative;
}
.nav-item > a:hover{color:var(--c-primary);}
.nav-item.active > a{color:var(--c-primary);font-weight:600;}
.nav-item > a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:0;
  height:3px;
  border-radius:3px 3px 0 0;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform var(--ease);
}
.nav-item.active > a::after,
.nav-item > a:hover::after{transform:scaleX(1);}
.caret{transition:transform var(--ease);}
.has-mega:hover .caret,
.has-mega:focus-within .caret{transform:rotate(180deg);}

/* Mega Menu */
.mega{
  position:absolute;
  top:calc(100% - 8px);
  right:0;
  width:860px;
  max-width:calc(100vw - 48px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--sh3);
  padding:26px;
  display:grid;
  grid-template-columns:1fr 1fr 260px;
  gap:26px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  pointer-events:none;
}
.has-mega:hover .mega,
.has-mega:focus-within .mega,
.has-mega.open .mega{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
  pointer-events:auto;
}
.mega-title{
  font-size:13px;
  font-weight:700;
  color:var(--t3);
  letter-spacing:.06em;
  margin-bottom:12px;
}
.mega-list li a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:var(--r-sm);
  color:var(--t2);
  font-size:14.5px;
}
.mega-list li a:hover{background:var(--bg-soft);color:var(--c-primary);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-primary);flex:0 0 auto;}
.dot.mint{background:var(--c-mint);}
.dot.accent{background:var(--c-accent);}
.mega-card{
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh1);
}
.mega-card img{width:100%;height:118px;border-radius:0;}
.mega-card-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;}
.mega-card-body strong{font-size:15px;color:var(--t1);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--c-primary);
}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}

/* 移动端抽屉 */
.hamburger{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  align-items:center;
  justify-content:center;
}
.hamburger span{
  display:block;
  width:20px;
  height:2px;
  background:var(--t1);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.hamburger span + span{margin-top:5px;}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(14,27,51,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:200;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:280px;
  height:100%;
  background:#fff;
  z-index:210;
  transform:translateX(100%);
  transition:transform 240ms ease-out;
  padding:22px 20px 40px;
  overflow-y:auto;
  box-shadow:var(--sh3);
}
.drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
}
.drawer-close{
  width:36px;height:36px;border-radius:9px;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;color:var(--t2);
}
.drawer-nav li a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:44px;
  padding:0 6px;
  color:var(--t1);
  font-size:15px;
  font-weight:500;
  border-bottom:1px solid var(--line);
}
.drawer-nav li a.active{color:var(--c-primary);font-weight:600;}
.drawer-nav li a:hover{color:var(--c-primary);}
.drawer-sub{padding:6px 0 10px 14px;}
.drawer-sub li a{
  display:block;
  padding:8px 6px;
  font-size:14px;
  color:var(--t2);
  border:0;
  min-height:auto;
}
.drawer-sub li a:hover{color:var(--c-primary);}

/* ============ 面包屑 ============ */
.breadcrumb{
  font-size:13px;
  color:var(--t3);
  padding:18px 0 0;
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";margin-left:8px;color:#C3CCDD;}
.breadcrumb li:last-child::after{display:none;}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}

/* ============ Hero ============ */
.hero-cat3{
  position:relative;
  background:var(--bg-page);
  overflow:hidden;
  padding:34px 0 64px;
}
.hero-cat3::before{
  content:"";
  position:absolute;
  left:-140px;
  bottom:-160px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:var(--c-primary);
  opacity:.08;
  pointer-events:none;
}
.hero-cat3::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-140px;
  width:360px;
  height:360px;
  border-radius:50%;
  background:var(--c-mint);
  opacity:.09;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:48px;
  align-items:center;
  min-height:300px;
}
.hero-copy .badge{margin-bottom:16px;}
.hero-copy h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.22;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.hero-copy p{
  font-size:17px;
  color:var(--t2);
  max-width:520px;
  margin-bottom:26px;
}
.hero-figure{
  background:#fff;
  border-radius:20px;
  padding:12px;
  box-shadow:var(--sh2);
  border:1px solid var(--line);
}
.hero-figure img{
  width:100%;
  height:326px;
  border-radius:12px;
}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section.soft{background:var(--bg-soft);}
.section.tight{padding:56px 0;}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.h2-line{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.h2-line::before{
  content:"";
  width:6px;
  height:22px;
  border-radius:3px;
  background:var(--c-primary);
  flex:0 0 auto;
}
.h2-line h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
.sec-head p{font-size:15.5px;color:var(--t2);}

/* 徽章 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--bg-soft);
  color:var(--t2);
}
.badge-primary{background:#E8EFFE;color:var(--c-primary);}
.badge-accent{background:#FFEDE5;color:var(--c-accent-d);}
.badge-mint{background:#E3F7F4;color:#0A8377;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:#C9D8F7;}
.btn-outline:hover{background:#EFF4FE;color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-on-dark{background:#fff;color:var(--c-primary);}
.btn-on-dark:hover{background:#0E2A6B;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-block{width:100%;}

/* ============ 对照表 ============ */
.table-wrap{position:relative;}
.table-scroll{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  box-shadow:var(--sh1);
  -webkit-overflow-scrolling:touch;
}
.cmp-table{
  width:100%;
  min-width:780px;
  border-collapse:collapse;
  margin:0;
}
.cmp-table thead th{
  background:#fff;
  color:var(--t1);
  font-size:14.5px;
  font-weight:700;
  text-align:left;
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.cmp-table thead th:first-child{background:var(--bg-soft);border-radius:16px 0 0 0;}
.cmp-table tbody th{
  background:var(--bg-soft);
  color:var(--t1);
  font-size:15px;
  font-weight:600;
  text-align:left;
  padding:20px 22px;
  width:190px;
  vertical-align:top;
  border-bottom:1px solid var(--line);
}
.cmp-table tbody td{
  padding:20px 22px;
  font-size:14.5px;
  color:var(--t2);
  line-height:1.8;
  vertical-align:top;
  border-bottom:1px solid var(--line);
  min-width:240px;
}
.cmp-table tbody tr:last-child th,
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr:hover td{background:#FAFCFF;}
.cell-flag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-weight:600;
  color:var(--c-primary);
  font-size:14px;
  margin-bottom:6px;
}
.cell-flag.warn{color:var(--c-accent-d);}
.table-hint{
  margin-top:12px;
  font-size:13px;
  color:var(--t3);
  display:flex;
  align-items:center;
  gap:8px;
}
.table-hint svg{color:var(--c-primary);}

/* ============ 信息网格卡 ============ */
.grid-cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.info-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh1);
  display:flex;
  flex-direction:column;
  gap:14px;
  position:relative;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.info-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh2);
  border-color:#D3E0FA;
}
.icon-box{
  width:40px;
  height:40px;
  border-radius:12px;
  background:#E8EFFE;
  color:var(--c-primary);
  display:flex;
  align-items:center;
  justify-content:center;
}
.info-card h3{font-size:17px;line-height:1.45;}
.info-card p{font-size:14.5px;color:var(--t2);}
.card-arrow{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--c-primary);
}
.card-arrow svg{transition:transform var(--ease);}
.info-card:hover .card-arrow svg{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-block{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px 20px 20px;
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  transition:background var(--ease),color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#FAFCFF;color:var(--c-primary);}
.faq-icon{
  position:relative;
  width:18px;height:18px;flex:0 0 auto;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--c-primary);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-body{
  padding:0 24px 22px 20px;
  border-left:3px solid var(--c-primary);
  margin-left:0;
  background:#F7F9FD;
}
.faq-body p{
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
  padding-top:16px;
}

/* ============ 相关分类胶囊 ============ */
.pill-links{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  border:1px solid #C9D8F7;
  background:#fff;
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.pill:hover{
  background:var(--c-primary);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh2);
}

/* ============ 底部 CTA 带 ============ */
.cta-band{
  background:var(--c-primary);
  color:#fff;
  border-radius:20px;
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh3);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;
  bottom:-120px;
  width:300px;
  height:300px;
  border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px;max-width:560px;}
.cta-band .btn{position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  background:#0E2A6B;
  color:#C6D4F5;
  margin-top:80px;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:34% 22% 22% 22%;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  color:#A9BCEB;
  line-height:1.85;
  max-width:320px;
  margin-bottom:20px;
}
.socials{display:flex;gap:12px;}
.socials a{
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(255,255,255,.08);
  color:#C6D4F5;
  display:flex;align-items:center;justify-content:center;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.socials a:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{
  color:#C6D4F5;
  font-size:14px;
  display:inline-block;
  transition:color var(--ease),transform var(--ease);
}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:#C6D4F5;
  margin-bottom:12px;
  line-height:1.6;
}
.footer-contact svg{flex:0 0 auto;margin-top:3px;color:#8FA9E6;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:#9FB3E4;
  padding:12px 0;
}
.footer-bottom a{color:#9FB3E4;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;min-height:auto;}
  .hero-figure img{height:280px;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px;}
  .section{padding:60px 0;}
}
@media screen and (max-width:640px){
  .container{padding:0 18px;}
  .topbar{display:none;}
  .hero-cat3{padding:20px 0 48px;}
  .hero-copy h1{font-size:27px;}
  .hero-copy p{font-size:15.5px;}
  .hero-figure img{height:220px;}
  .hero-copy .btn{width:100%;}
  .grid-cards{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;}
  .cta-band{padding:30px 22px;border-radius:16px;}
  .cta-band .btn{width:100%;}
  .faq-item summary{font-size:16px;padding:18px 18px 18px 16px;}
  .faq-body{padding:0 18px 20px 16px;}
  .cmp-table tbody th{width:140px;}
  .pill{width:100%;justify-content:center;}
}
@media screen and (max-width:520px){
  .logo{font-size:15px;}
  .logo-mark{padding:0 10px;height:30px;font-size:14px;}
  .hero-copy h1{font-size:24px;}
}