*{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:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto;object-fit:contain}button{font:inherit}.container{width:min(1200px,calc(100% - 40px));margin:0 auto}.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,.12)}.header-inner{width:min(1240px,calc(100% - 32px));height:72px;margin:0 auto;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:24px}.brand-logo img{width:auto;height:42px}.core-nav{justify-self:center;display:flex;align-items:center;gap:4px;padding:5px;background:#fff;border:1px solid rgba(47,123,255,.14);border-radius:999px;box-shadow:0 8px 24px rgba(22,50,79,.05);white-space:nowrap}.core-nav a{padding:8px 15px;border-radius:999px;color:#16324F;font-size:14px;font-weight:700}.core-nav a:hover,.core-nav a.active{background:#E8F2FC;color:#2F7BFF}.header-actions{display:flex;align-items:center;gap:9px;white-space:nowrap}.overview-btn,.login-btn,.register-btn,.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 18px;border-radius:999px;font-weight:800;border:0;cursor:pointer}.overview-btn{background:#E8F2FC;color:#16324F}.login-btn,.main-btn{background:#2F7BFF;color:#fff}.login-btn:hover,.main-btn:hover{background:#1E5FD6}.register-btn{background:#fff;color:#16324F;border:1px solid #C5D7F0}.mobile-menu-btn{display:none;border:0;background:#fff;width:42px;height:42px;border-radius:12px;padding:10px}.mobile-menu-btn span{display:block;height:2px;background:#16324F;margin:5px 0}.drawer-mask{position:fixed;inset:0;z-index:10000;background:rgba(16,36,58,.38);opacity:0;transition:.18s}.drawer-mask.show{opacity:1}.overview-drawer,.mobile-drawer{position:fixed;top:0;bottom:0;z-index:10001;background:#fff;box-shadow:0 0 40px rgba(22,50,79,.16);transition:transform .24s ease;overflow-y:auto}.overview-drawer{right:0;width:min(520px,92vw);transform:translateX(102%)}.overview-drawer.open{transform:none}.mobile-drawer{left:0;width:min(360px,88vw);transform:translateX(-102%)}.mobile-drawer.open{transform:none}.drawer-head,.mobile-drawer-brand{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid rgba(47,123,255,.12);z-index:2}.mobile-drawer-brand img{height:38px;width:auto}.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#E8F2FC;color:#16324F;font-size:24px;cursor:pointer}.drawer-groups{padding:20px 22px 34px;display:grid;grid-template-columns:1fr 1fr;gap:18px}.drawer-groups section{background:#F5F9FE;border:1px solid rgba(47,123,255,.12);border-radius:16px;padding:16px}.drawer-groups h3{margin:0 0 9px}.drawer-groups a{display:block;padding:6px 0;color:#243447}.mobile-drawer-nav{padding:16px 20px 40px;display:grid;grid-template-columns:1fr 1fr;gap:8px}.mobile-drawer-nav a{padding:10px 12px;border-radius:10px;background:#F3F8FF;color:#16324F;font-size:14px}.hero{padding:58px 0 38px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;right:-100px;top:-90px;width:420px;height:420px;background:radial-gradient(circle,rgba(47,123,255,.16),rgba(47,123,255,0) 68%);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;position:relative}.eyebrow{display:inline-flex;padding:7px 12px;border-radius:999px;background:#E8F2FC;color:#1E5FD6;font-size:13px;font-weight:800;letter-spacing:.02em}.hero h1,.page-hero h1{font-size:clamp(34px,5vw,56px);line-height:1.18;margin:18px 0 20px;color:#16324F;letter-spacing:-.02em}.hero p,.page-hero p{font-size:17px;color:#5B6B7C}.hero-actions{display:flex;gap:12px;margin-top:24px}.hero-summary{margin-top:28px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.hero-summary a{background:#fff;border:1px solid rgba(47,123,255,.14);border-radius:14px;padding:14px;box-shadow:0 8px 20px rgba(22,50,79,.05)}.hero-summary strong{display:block;color:#16324F}.hero-summary span{font-size:12px;color:#7A8896}.hero-media,.page-media{background:#fff;border:1px solid rgba(47,123,255,.16);border-radius:22px;padding:18px;box-shadow:0 12px 32px rgba(22,50,79,.08)}.hero-media img,.page-media img{width:100%;height:auto;object-fit:contain}.section{padding:58px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section-head h2{margin:0;color:#16324F;font-size:clamp(26px,3vw,36px)}.section-head p{margin:0;color:#5B6B7C;max-width:620px}.quick-scroll{display:flex;gap:12px;overflow-x:auto;padding:2px 2px 12px;scroll-snap-type:x proximity}.quick-card{flex:0 0 220px;scroll-snap-align:start;background:#fff;border:1px solid rgba(47,123,255,.16);box-shadow:0 12px 32px rgba(22,50,79,.08);border-radius:16px;padding:18px}.quick-card .num{color:#2F7BFF;font-weight:900;font-size:13px}.quick-card h3{margin:7px 0 6px;color:#16324F}.quick-card p{margin:0;color:#5B6B7C;font-size:14px}.quick-card a,.text-link{display:inline-block;margin-top:12px;color:#1E5FD6;font-weight:800}.intro-strip{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:#E8F2FC;border:1px solid rgba(47,123,255,.14);border-radius:20px;padding:26px 30px}.intro-strip h2{margin:0 0 8px;color:#16324F}.intro-strip p{margin:0;color:#5B6B7C}.dual-grid,.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card{background:#fff;border:1px solid rgba(47,123,255,.16);box-shadow:0 12px 32px rgba(22,50,79,.08);border-radius:16px;overflow:hidden}.card-body{padding:22px}.card h2,.card h3{color:#16324F;margin-top:0}.card p{color:#5B6B7C}.card-img{padding:16px 16px 0}.card-img img{width:100%;height:auto;max-height:250px;object-fit:contain}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.topic-card{background:#fff;border:1px solid rgba(47,123,255,.16);border-radius:16px;overflow:hidden;box-shadow:0 12px 32px rgba(22,50,79,.08)}.topic-card .image-box{padding:13px;background:#F3F8FF}.topic-card img{width:100%;height:auto;max-height:180px;object-fit:contain}.topic-card .card-body{padding:17px}.topic-card h3{margin:0 0 6px}.topic-card p{font-size:14px;margin:0}.app-banner{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center;background:#fff;border:1px solid rgba(47,123,255,.16);border-radius:22px;padding:24px 28px;box-shadow:0 12px 32px rgba(22,50,79,.08)}.app-banner img{max-height:280px;margin:auto}.notice-grid,.review-grid,.faq-grid,.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.notice-card,.review-card,.faq-item,.feature-item{background:#fff;border:1px solid rgba(47,123,255,.14);border-radius:16px;padding:20px}.notice-card img{width:100%;height:auto;max-height:230px;object-fit:contain;margin-bottom:16px}.review-card p,.faq-item p,.feature-item p{margin:8px 0 0;color:#5B6B7C}.review-card strong,.faq-item h3,.feature-item h3{color:#16324F;margin:0}.compliance-box{background:#F3F8FF;border:1px solid rgba(47,123,255,.16);border-left:4px solid #2F7BFF;border-radius:16px;padding:22px}.compliance-box h2,.compliance-box h3{margin-top:0}.page-hero{padding:52px 0 28px}.page-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:36px;align-items:center}.breadcrumbs{font-size:13px;color:#7A8896;margin-bottom:12px}.breadcrumbs a{color:#1E5FD6}.page-hero h1{font-size:clamp(32px,4.5vw,48px)}.page-main{padding:22px 0 64px}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px}.article{background:#fff;border:1px solid rgba(47,123,255,.16);border-radius:20px;padding:28px;box-shadow:0 12px 32px rgba(22,50,79,.06)}.article section+section{margin-top:38px}.article h2{font-size:26px;margin:0 0 14px;color:#16324F}.article h3{color:#16324F}.article p{margin:0 0 14px;color:#243447}.article ul{padding-left:20px}.article li{margin:8px 0}.side-stack{display:grid;gap:16px;align-content:start}.side-card{background:#fff;border:1px solid rgba(47,123,255,.16);border-radius:16px;padding:19px;box-shadow:0 10px 28px rgba(22,50,79,.05)}.side-card h3{margin:0 0 10px}.side-card a{display:block;padding:7px 0;color:#1E5FD6;font-weight:700}.faq-list{display:grid;gap:14px}.faq-row{background:#F5F9FE;border:1px solid rgba(47,123,255,.12);border-radius:14px;padding:17px}.faq-row h3{margin:0 0 7px}.faq-row p{margin:0}.feedback-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feedback{background:#F3F8FF;border-radius:14px;padding:16px;border:1px solid rgba(47,123,255,.11)}.feedback p{margin:0;font-size:14px}.site-footer{background:#10243A;color:#D7E6F5;padding:46px 0 26px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:34px}.footer-brand img{height:42px;width:auto;margin-bottom:14px}.site-footer h3{color:#fff;margin-top:0}.site-footer a{display:block;color:#D7E6F5;padding:4px 0}.site-footer p{color:#BFD1E2}.footer-note{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:24px;font-size:13px}.mobile-bottom-nav{display:none}
@media(max-width:980px){.core-nav{gap:0}.core-nav a{padding:8px 10px}.overview-btn{display:none}.topic-grid{grid-template-columns:repeat(3,1fr)}.article-shell{grid-template-columns:1fr}.side-stack{grid-template-columns:repeat(3,1fr)}.hero-summary{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){body{padding-bottom:68px}.container{width:min(100% - 28px,1200px)}.header-inner{height:66px;width:calc(100% - 24px);grid-template-columns:42px 1fr auto;gap:10px}.mobile-menu-btn{display:block}.brand-logo{justify-self:center}.brand-logo img{height:36px}.core-nav,.overview-btn,.desktop-register{display:none}.header-actions{justify-self:end}.login-btn{min-height:38px;padding:0 15px}.hero{padding:34px 0 24px}.hero-grid,.page-hero-grid,.app-banner{grid-template-columns:1fr}.hero h1,.page-hero h1{font-size:34px}.hero p,.page-hero p{font-size:15px}.hero-grid{gap:24px}.hero-media{order:-1;padding:12px}.hero-summary{grid-template-columns:repeat(2,1fr);margin-top:20px}.section{padding:42px 0}.section-head{display:block}.section-head p{margin-top:7px}.dual-grid,.content-grid,.notice-grid,.review-grid,.faq-grid,.feature-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,1fr);gap:12px}.topic-card .image-box{padding:8px}.topic-card .card-body{padding:13px}.topic-card p{font-size:13px}.intro-strip{grid-template-columns:1fr;padding:22px}.article{padding:21px}.article h2{font-size:23px}.feedback-list{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-note{display:block}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid rgba(47,123,255,.16);box-shadow:0 -8px 24px rgba(22,50,79,.08);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;padding:13px 6px;color:#16324F;font-size:13px;font-weight:800}.drawer-groups{grid-template-columns:1fr}}
@media(max-width:420px){.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr}.quick-card{flex-basis:205px}}