*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#E6EBF2;color:#243447;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto;display:block}.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,247,251,.92);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,.10)}.header-inner{max-width:1220px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding:0 20px}.logo{flex:0 0 auto}.logo img{max-height:52px;width:auto}.nav-core{flex:1 1 auto;display:flex;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}.nav-link{color:#4E5F7A;font-weight:700;padding:10px 12px;border-radius:999px}.nav-link.active,.nav-link:hover{color:#289CFF;background:rgba(255,255,255,.74)}.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px}.all-menu-btn,.mobile-menu-btn,.mega-close,.drawer-close{cursor:pointer;border:0;font:inherit}.all-menu-btn{border:1px solid rgba(40,156,255,.18);background:rgba(255,255,255,.74);color:#289CFF;border-radius:999px;padding:10px 16px;font-weight:800}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;border-radius:999px;padding:11px 22px;font-weight:900;box-shadow:0 12px 26px rgba(36,155,255,.24);transition:.2s}.main-btn:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(36,155,255,.30)}.mobile-menu-btn{display:none;background:rgba(255,255,255,.82);color:#289CFF;border-radius:14px;padding:8px 12px;font-size:22px}.mega-mask,.drawer-mask{position:fixed;inset:0;background:rgba(36,52,71,.30);z-index:9998}.mega-panel{position:fixed;top:76px;left:50%;transform:translateX(-50%);width:min(1120px,calc(100% - 32px));background:rgba(255,255,255,.96);border:1px solid rgba(40,156,255,.16);border-radius:24px;box-shadow:0 24px 60px rgba(56,92,138,.18);z-index:10000;padding:22px}.mega-head{display:flex;align-items:center;justify-content:space-between;color:#289CFF;font-size:20px;margin-bottom:14px}.mega-close{background:#EEF2F7;color:#289CFF;border-radius:50%;width:36px;height:36px;font-size:24px}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.mega-group{background:#F5F7FB;border:1px solid rgba(40,156,255,.12);border-radius:20px;padding:16px}.mega-group h3{margin:0 0 10px;color:#289CFF}.mega-group a{display:block;padding:10px;border-radius:14px;color:#243447}.mega-group a:hover{background:#fff}.mega-group span{display:block;color:#66788A;font-size:13px}.mobile-drawer{position:fixed;top:0;left:0;width:min(86vw,320px);height:100vh;background:#fff;z-index:10001;transform:translateX(-105%);transition:.25s;box-shadow:20px 0 50px rgba(56,92,138,.20);overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.14)}.drawer-head img{height:48px}.drawer-close{background:#EEF2F7;color:#289CFF;border-radius:50%;width:36px;height:36px;font-size:24px}.drawer-nav{display:grid;padding:12px}.drawer-nav a{padding:13px 16px;border-radius:14px;color:#4E5F7A;font-weight:800}.drawer-nav a:hover{background:#F5F7FB;color:#289CFF}.menu-open{overflow:hidden}.section{max-width:1200px;margin:0 auto;padding:38px 20px}.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative;height:390px}.slide{position:absolute;inset:0;opacity:0;transition:.5s}.slide.active{opacity:1}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(40,156,255,.18);background:rgba(255,255,255,.82);color:#289CFF;font-size:26px;z-index:2;cursor:pointer}.prev{left:16px}.next{right:16px}.banner-dots{position:absolute;bottom:14px;left:0;right:0;display:flex;justify-content:center;gap:8px;z-index:2}.dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(40,156,255,.28);cursor:pointer}.dot.active{background:#289CFF}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.intro-grid,.split,.app-section,.safety-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}.eyebrow,.tag,.label,.num,.badge,.section-kicker{color:#289CFF;font-weight:900}.h1,h1{font-size:clamp(34px,5vw,58px);line-height:1.12;margin:10px 0 18px;color:#289CFF}h2,.section-title{color:#289CFF;font-size:clamp(26px,3vw,38px);line-height:1.25;margin:0 0 16px}h3{color:#289CFF}.lead{font-size:18px;color:#4E5F7A}.card,.zone-card,.info-card,.review-card{background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:22px;padding:22px}.quick-grid,.three-grid,.info-grid,.matrix,.review-grid,.faq-grid,.footer-links{display:grid;gap:18px}.quick-grid{grid-template-columns:repeat(4,1fr)}.three-grid{grid-template-columns:repeat(3,1fr)}.info-grid{grid-template-columns:repeat(4,1fr)}.matrix{grid-template-columns:repeat(3,1fr)}.review-grid{grid-template-columns:repeat(3,1fr)}.faq-grid{grid-template-columns:repeat(2,1fr)}.text-link{color:#289CFF;font-weight:900}.content-img,.zone-card img,.app-section img{width:100%;max-height:300px;object-fit:contain;background:#fff;border-radius:18px}.split:nth-child(even) .split-img{order:2}.list{padding-left:18px;color:#66788A}.notice{background:linear-gradient(135deg,#FFFFFF,#F5F7FB);border:1px solid rgba(40,156,255,.16);border-radius:24px;padding:24px;color:#4E5F7A}.site-footer{background:#243447;color:#EAF3FF;margin-top:40px}.footer-inner{max-width:1200px;margin:auto;padding:42px 20px}.footer-brand img{height:54px;margin-bottom:12px}.footer-links{grid-template-columns:repeat(5,max-content);margin:20px 0}.footer-links a{color:#EAF3FF}.footer-note{color:#C8D8EA}.page-hero{background:linear-gradient(135deg,#fff,#F5F7FB);border-bottom:1px solid rgba(40,156,255,.16)}.page-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}.content-block{margin-top:22px}.mini-faq details{background:#fff;border:1px solid rgba(40,156,255,.14);border-radius:16px;padding:14px;margin:12px 0}.mini-faq summary{color:#289CFF;font-weight:900;cursor:pointer}@media(max-width:920px){.nav-core,.all-menu-btn{display:none}.mobile-menu-btn{display:block}.header-inner{min-height:68px;gap:8px}.logo img{max-height:44px}.header-register{padding:9px 15px}.mega-panel{display:none}.banner-slider{height:250px;margin:18px 16px 24px}.intro-grid,.split,.app-section,.safety-wrap,.page-grid{grid-template-columns:1fr}.quick-grid,.info-grid{grid-template-columns:repeat(2,1fr);overflow-x:auto}.three-grid,.matrix,.review-grid,.faq-grid{grid-template-columns:1fr}.split:nth-child(even) .split-img{order:0}.section{padding:28px 16px}.footer-links{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.quick-grid,.info-grid{grid-template-columns:1fr}.banner-slider{height:190px}.main-btn{padding:9px 14px}.card,.zone-card,.info-card,.review-card{padding:18px}}