*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#E6EBF2;color:#243447;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto;display:block}.no-scroll{overflow:hidden}.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,247,251,.92);backdrop-filter:blur(10px);box-shadow:0 10px 28px rgba(56,92,138,.12)}.header-inner{max-width:1220px;margin:auto;padding:0 20px;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.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-core a{color:#4E5F7A;font-weight:700;padding:9px 4px;border-bottom:2px solid transparent}.nav-core a.active,.nav-core a:hover{color:#289CFF;border-color:#289CFF}.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px}.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:700;cursor:pointer}.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 24px;font-weight:800;box-shadow:0 12px 26px rgba(36,155,255,.22);transition:.2s}.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(36,155,255,.28)}.menu-toggle{display:none;background:#fff;border:1px solid rgba(40,156,255,.18);border-radius:12px;width:42px;height:42px;padding:9px}.menu-toggle span{display:block;height:2px;background:#289CFF;margin:5px 0}.menu-mask{position:fixed;inset:0;background:rgba(36,52,71,.42);opacity:0;visibility:hidden;z-index:9998;transition:.2s}.menu-mask.show{opacity:1;visibility:visible}.mega-panel{position:fixed;top:76px;left:50%;transform:translateX(-50%) translateY(-10px);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;opacity:0;visibility:hidden;transition:.2s;padding:22px}.mega-panel.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.mega-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.mega-head strong{color:#289CFF;font-size:22px}.mega-close,.drawer-close{border:0;background:#EEF2F7;color:#4E5F7A;border-radius:999px;padding:8px 14px;cursor:pointer}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.mega-group{background:#F5F7FB;border:1px solid rgba(40,156,255,.12);border-radius:18px;padding:18px}.mega-group h3{margin:0 0 12px;color:#289CFF}.mega-group a{display:block;padding:10px 0;border-top:1px solid rgba(40,156,255,.1)}.mega-group span{display:block;font-weight:800;color:#243447}.mega-group small{color:#66788A}.drawer{position:fixed;top:0;left:0;width:84%;max-width:320px;height:100vh;background:#fff;z-index:10001;transform:translateX(-105%);transition:.25s;box-shadow:24px 0 50px rgba(56,92,138,.2);overflow-y:auto}.drawer.show{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.12)}.drawer-head img{max-height:48px}.drawer-close{font-size:24px;line-height:1}.drawer-nav{display:grid;padding:14px}.drawer-nav a{padding:13px 14px;border-radius:14px;color:#4E5F7A;font-weight:700}.drawer-nav a.active,.drawer-nav a:hover{background:#EEF2F7;color:#289CFF}.section{max-width:1200px;margin:28px auto;padding:34px;background:rgba(255,255,255,.74);border:1px solid rgba(40,156,255,.13);border-radius:26px;box-shadow:0 14px 36px rgba(56,92,138,.09)}h1,h2,h3,.section-title{color:#289CFF;line-height:1.25}h1{font-size:clamp(32px,5vw,56px);margin:12px 0 16px}h2{font-size:28px;margin:0 0 14px}p{color:#243447;margin:0 0 14px}.eyebrow{display:inline-flex;color:#289CFF;background:#EEF2F7;border-radius:999px;padding:7px 14px;font-weight:800}.two-col,.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.split.reverse{grid-template-columns:.95fr 1.05fr}.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}.content-img{width:100%;border-radius:22px;background:#fff;object-fit:contain;box-shadow:0 16px 34px rgba(56,92,138,.12)}.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}.slides{aspect-ratio:16/6;position:relative;background:#fff}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}.slide{position:absolute;inset:0;opacity:0;transition:.4s}.slide.active{opacity:1}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.85);color:#289CFF;font-size:30px;cursor:pointer}.prev{left:16px}.next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px}.slider-dots button{width:10px;height:10px;border:0;border-radius:50%;background:rgba(78,95,122,.35);cursor:pointer}.slider-dots button.active{background:#289CFF}.quick-grid,.cards-three,.review-grid,.matrix-grid,.tips-grid{display:grid;gap:18px}.quick-grid{grid-template-columns:repeat(3,1fr)}.quick-card,.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:20px;padding:22px}.quick-card b{color:#289CFF}.cards-three{grid-template-columns:repeat(3,1fr)}.matrix-grid{grid-template-columns:repeat(3,1fr)}.zone-card:hover,.quick-card:hover{transform:translateY(-2px);transition:.2s}.notice,.compliance{background:linear-gradient(135deg,#fff,#EEF2F7)}.review-grid{grid-template-columns:repeat(5,1fr)}.review-card{color:#4E5F7A}.faq-list details{background:#fff;border:1px solid rgba(40,156,255,.14);border-radius:16px;padding:16px 20px;margin:12px 0}.faq-list summary{cursor:pointer;color:#289CFF;font-weight:800}.detail-flow p{max-width:980px}.tips-grid{grid-template-columns:repeat(4,1fr);margin-top:20px}.tips-grid span{background:#EEF2F7;border-radius:999px;color:#289CFF;text-align:center;padding:10px 12px;font-weight:800}.text-link{color:#289CFF;font-weight:800}.site-footer{background:#243447;color:#EAF3FF;margin-top:40px}.footer-inner{max-width:1200px;margin:auto;padding:38px 20px;display:grid;grid-template-columns:1.4fr .7fr .7fr 1fr;gap:26px}.footer-brand img{max-height:54px;margin-bottom:12px}.footer-inner p,.footer-inner a{color:#EAF3FF}.footer-links a{display:block;margin:8px 0}.footer-bottom{text-align:center;padding:16px;border-top:1px solid rgba(234,243,255,.16);color:#EAF3FF}@media(max-width:900px){.nav-core,.all-menu-btn{display:none}.menu-toggle{display:block}.header-inner{min-height:68px;gap:10px;padding:0 12px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.header-register{padding:9px 15px}.mega-panel{display:none}.section{margin:18px 12px;padding:24px}.two-col,.split,.split.reverse{grid-template-columns:1fr}.quick-grid,.cards-three,.matrix-grid,.review-grid,.tips-grid{grid-template-columns:1fr}.slides{aspect-ratio:16/9}.banner-slider{margin:16px 12px 22px}.footer-inner{grid-template-columns:1fr}.slider-arrow{width:36px;height:36px;font-size:24px}}@media(min-width:901px) and (max-width:1100px){.nav-core{gap:12px}.review-grid{grid-template-columns:repeat(3,1fr)}}