*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#F5F9FE;color:#243447;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
body.drawer-open{overflow:hidden}
a{color:#1E5FD6;text-decoration:none}
a:hover{color:#2F7BFF}
img{max-width:100%;height:auto;object-fit:contain;display:block}
h1,h2,h3{color:#16324F;line-height:1.35;margin-top:0}
p{margin:0 0 1em}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,249,254,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(47,123,255,.1)}
.header-inner{max-width:1240px;height:72px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:18px;white-space:nowrap}
.brand-logo{width:152px;flex:none}
.brand-logo img{height:40px;width:auto}
.core-nav{display:flex;gap:5px;padding:5px;background:#fff;border:1px solid rgba(47,123,255,.12);border-radius:999px;margin:auto}
.core-nav a{padding:8px 14px;border-radius:999px;color:#16324F;font-size:14px}
.core-nav a.active,.core-nav a:hover{background:#E8F2FC;color:#2F7BFF}
.header-actions{display:flex;align-items:center;gap:8px;flex:none}
.overview-btn{border:0;background:transparent;color:#16324F;padding:9px 10px;cursor:pointer}
.login-btn,.register-btn,.main-btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 18px;border-radius:999px;font-weight:700}
.login-btn,.main-btn{background:#2F7BFF;color:#fff}
.login-btn:hover,.main-btn:hover{background:#1E5FD6;color:#fff}
.register-btn{background:#fff;color:#16324F;border:1px solid #C5D7F0}
.mobile-menu-btn,.mobile-login{display:none}
.site-main{min-height:60vh}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.section{padding:58px 0}
.section-tight{padding:36px 0}
.card{background:#fff;border:1px solid rgba(47,123,255,.16);box-shadow:0 12px 32px rgba(22,50,79,.08);border-radius:16px}
.hero{position:relative;overflow:hidden;padding:64px 0 44px}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(10px);z-index:-1}
.hero:before{width:320px;height:320px;background:rgba(47,123,255,.09);right:-80px;top:-80px}
.hero:after{width:240px;height:240px;background:rgba(47,123,255,.06);left:-80px;bottom:-80px}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:42px;align-items:center}
.eyebrow{display:inline-flex;background:#E8F2FC;color:#1E5FD6;border-radius:999px;padding:6px 12px;font-weight:700;font-size:14px;margin-bottom:16px}
.hero h1{font-size:42px;margin-bottom:18px}
.hero p{font-size:17px;color:#5B6B7C}
.hero-visual{padding:18px;background:#fff}
.hero-visual img{width:100%;height:auto}
.hero-actions{display:flex;gap:10px;margin-top:22px}
.summary-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
.summary-item{padding:15px;background:#fff;border:1px solid rgba(47,123,255,.14);border-radius:14px}
.summary-item strong{display:block;color:#16324F}
.summary-item span{font-size:13px;color:#7A8896}
.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
.section-title p{color:#5B6B7C;max-width:650px}
.scroller{display:flex;gap:14px;overflow-x:auto;padding:4px 2px 14px;scrollbar-width:thin}
.quick-card{min-width:210px;padding:18px}
.quick-card .num{font-size:12px;color:#2F7BFF;font-weight:700}
.quick-card h3{font-size:17px;margin:6px 0}
.quick-card p{font-size:14px;color:#5B6B7C}
.info-strip{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px;padding:20px}
.info-strip strong{color:#16324F}
.dual-grid,.content-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feature-card{overflow:hidden}
.feature-card img{width:100%;max-height:270px}
.feature-card .body{padding:22px}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.topic-card{overflow:hidden}
.topic-card .image-wrap{height:160px;background:#F3F8FF;display:flex;align-items:center;justify-content:center;padding:10px}
.topic-card img{width:100%;height:100%;object-fit:contain}
.topic-card .body{padding:16px}
.topic-card h3{font-size:17px;margin-bottom:8px}
.topic-card p{font-size:14px;color:#5B6B7C}
.banner-card{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;padding:24px}
.banner-card img{max-height:280px;margin:auto}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.text-card{padding:22px}
.text-card p{color:#5B6B7C}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{padding:20px}
.review-card strong{display:block;margin-bottom:8px;color:#16324F}
.faq-list{display:grid;gap:12px}
.faq-item{padding:18px 20px}
.faq-item h3{font-size:17px;margin-bottom:8px}
.compliance{padding:24px;background:#E8F2FC;border:1px solid rgba(47,123,255,.14);border-radius:16px}
.page-hero{padding:52px 0 26px}
.page-hero .inner{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.page-hero h1{font-size:38px;margin-bottom:16px}
.page-hero p{color:#5B6B7C}
.page-hero .media{padding:16px}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.article-card{padding:28px}
.article-card h2{font-size:24px;margin-top:28px}
.article-card h2:first-child{margin-top:0}
.article-card p{color:#34495E}
.side-card{padding:20px;position:sticky;top:96px}
.side-card a{display:block;padding:8px 0;border-bottom:1px solid rgba(47,123,255,.1)}
.note-list{display:grid;gap:12px;margin-top:18px}
.note{padding:15px;border-radius:12px;background:#F3F8FF}
.drawer-mask{position:fixed;inset:0;background:rgba(16,36,58,.38);opacity:0;pointer-events:none;transition:.22s;z-index:10000}
.drawer-mask.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;bottom:0;width:min(420px,88vw);background:#fff;z-index:10001;box-shadow:0 0 36px rgba(16,36,58,.18);transition:transform .25s ease;overflow:auto}
.mobile-drawer{left:0;transform:translateX(-105%)}
.overview-drawer{right:0;transform:translateX(105%);padding-bottom:30px}
.drawer.open{transform:translateX(0)}
.drawer-head{height:72px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(47,123,255,.12)}
.drawer-head img{height:38px}
.drawer-head button{width:36px;height:36px;border:0;border-radius:50%;background:#F3F8FF;color:#16324F;font-size:22px;cursor:pointer}
.drawer-head span{display:block;color:#7A8896;font-size:12px}
.drawer-links{padding:12px}
.drawer-links a{display:block;padding:10px 12px;border-radius:10px;color:#243447}
.drawer-links a:hover{background:#F3F8FF}
.overview-groups{padding:14px 20px}
.overview-groups section{margin-bottom:20px}
.overview-groups h3{font-size:15px;margin-bottom:6px}
.overview-groups a{display:inline-block;margin:5px 8px 5px 0;padding:6px 10px;background:#F3F8FF;border-radius:999px;color:#243447;font-size:13px}
.site-footer{background:#10243A;color:#D7E6F5;margin-top:44px}
.footer-inner{width:min(1180px,calc(100% - 40px));margin:auto;padding:44px 0 34px;display:grid;grid-template-columns:1.3fr .8fr 1.2fr;gap:28px}
.footer-brand img{height:40px;width:auto;margin-bottom:14px}
.footer-links{display:grid;align-content:start;gap:8px}
.footer-links a{color:#D7E6F5}
.footer-note{font-size:13px;color:#BFD2E6}
.mobile-bottom-nav{display:none}
.muted{color:#7A8896}
.link-more{font-weight:700}
hr.soft{border:0;border-top:1px solid rgba(47,123,255,.12);margin:26px 0}

@media(max-width:980px){
 .core-nav,.overview-btn{display:none}
 .header-inner{justify-content:space-between}
 .brand-logo{margin:auto;width:auto}
 .header-actions{display:none}
 .mobile-menu-btn,.mobile-login{display:inline-flex}
 .mobile-menu-btn{width:40px;height:40px;border:0;background:#fff;border-radius:12px;align-items:center;justify-content:center;font-size:22px;color:#16324F}
 .brand-logo img{height:38px}
 .mobile-login{padding:8px 14px}
 .hero-grid,.page-hero .inner,.banner-card,.article-shell{grid-template-columns:1fr}
 .summary-row{grid-template-columns:repeat(2,1fr)}
 .topic-grid{grid-template-columns:repeat(3,1fr)}
 .list-grid,.review-grid{grid-template-columns:repeat(2,1fr)}
 .side-card{position:static}
 .footer-inner{grid-template-columns:1fr 1fr}
 .footer-note{grid-column:1/-1}
}
@media(max-width:680px){
 .header-inner{height:66px;padding:0 12px}
 .brand-logo img{height:36px}
 .container{width:min(100% - 24px,1180px)}
 .section{padding:42px 0}
 .hero{padding:40px 0 28px}
 .hero-grid{gap:24px}
 .hero h1,.page-hero h1{font-size:30px}
 .hero p{font-size:15px}
 .hero-visual{padding:10px}
 .summary-row{grid-template-columns:repeat(2,1fr);gap:10px}
 .summary-item{padding:12px}
 .dual-grid,.content-grid-2,.list-grid,.review-grid{grid-template-columns:1fr}
 .topic-grid{grid-template-columns:repeat(2,1fr);gap:12px}
 .topic-card .image-wrap{height:130px}
 .banner-card{padding:16px}
 .page-hero{padding:34px 0 18px}
 .article-card{padding:20px}
 .section-title{display:block}
 .footer-inner{grid-template-columns:1fr;padding-bottom:88px}
 .footer-note{grid-column:auto}
 .mobile-bottom-nav{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:9998;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid rgba(47,123,255,.14);padding-bottom:env(safe-area-inset-bottom)}
 .mobile-bottom-nav a{text-align:center;padding:10px 4px;color:#16324F;font-size:13px}
 body{padding-bottom:56px}
}