*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#EEF7FF;color:#243447;font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.no-scroll{overflow:hidden}a{text-decoration:none;color:inherit}img{display:block}.container{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:12000;background:rgba(255,255,255,.78);backdrop-filter:blur(12px);box-shadow:0 8px 28px rgba(58,143,232,.10)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;position:relative}.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:#5F6F95;font-weight:700}.nav-core a:hover{color:#3A8FE8}.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px;z-index:3}.all-menu-btn,.mobile-menu-btn,.mega-close,.drawer-close{border:0;cursor:pointer}.all-menu-btn{border:1px solid rgba(58,143,232,.18);background:rgba(255,255,255,.74);color:#3A8FE8;border-radius:999px;padding:10px 16px;font-weight:800}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#67C5FF 0%,#3698F2 45%,#1F79D8 100%);color:#fff;border-radius:999px;padding:12px 24px;font-weight:800;box-shadow:0 10px 24px rgba(31,121,216,.22)}.main-btn.small{padding:9px 18px}.mobile-menu-btn{display:none;width:42px;height:42px;background:#fff;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px;box-shadow:0 6px 18px rgba(58,143,232,.14)}.mobile-menu-btn span{width:19px;height:2px;background:#3A8FE8;border-radius:2px}.overlay{position:fixed;inset:0;background:rgba(20,46,78,.30);opacity:0;visibility:hidden;transition:.25s;z-index:9998}.overlay.show{opacity:1;visibility:visible}.mega-panel{position:fixed;top:88px;left:50%;transform:translate(-50%,-14px);width:min(1120px,calc(100% - 32px));background:rgba(255,255,255,.97);border:1px solid rgba(58,143,232,.16);border-radius:24px;box-shadow:0 24px 60px rgba(62,120,180,.16);z-index:10000;opacity:0;visibility:hidden;transition:.25s;padding:22px}.mega-panel.open{opacity:1;visibility:visible;transform:translate(-50%,0)}.mega-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5f1fc;padding-bottom:14px;margin-bottom:16px;color:#3A8FE8}.mega-close,.drawer-close{background:#E8F4FF;color:#3A8FE8;width:38px;height:38px;border-radius:50%;font-size:24px}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.mega-grid h3{margin:0 0 9px}.mega-grid a{display:block;padding:9px 10px;border-radius:12px;color:#243447}.mega-grid a:hover{background:#EEF7FF}.mega-grid b,.mega-grid small{display:block}.mega-grid small{color:#8A9AAF;font-size:12px}.mobile-drawer{position:fixed;top:0;left:0;width:min(84vw,320px);height:100vh;background:#fff;z-index:13000;transform:translateX(-105%);transition:.28s;overflow:auto;padding:18px}.mobile-drawer.open{transform:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid #e7f2fc}.drawer-head img{max-width:138px;max-height:44px}.mobile-drawer nav{display:grid;padding:12px 0}.mobile-drawer nav a{padding:12px 8px;border-bottom:1px solid #eef5fb;color:#5F6F95;font-weight:700}.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#fff;box-shadow:0 18px 40px rgba(62,120,180,.12);overflow:hidden;position:relative}.slides{display:flex;transition:transform .55s ease}.slide{min-width:100%}.banner-slider img{width:100%;height:auto;object-fit:contain;background:#fff}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:#3A8FE8;font-size:30px;cursor:pointer;box-shadow:0 8px 20px rgba(36,52,71,.16)}.prev{left:16px}.next{right:16px}.dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px}.dot{width:9px;height:9px;border:0;border-radius:50%;background:rgba(255,255,255,.66);padding:0;cursor:pointer}.dot.active{width:24px;border-radius:10px;background:#3A8FE8}.section{padding:72px 0}.section.alt{background:#F6FBFF}.section-head{text-align:center;max-width:760px;margin:0 auto 32px}.eyebrow,.tag{display:inline-block;color:#3A8FE8;background:#E8F4FF;border-radius:999px;padding:5px 12px;font-size:13px;font-weight:800}.section h1,.section h2,.section h3,.page-hero h1,.page-body h2,.page-body h3{color:#3A8FE8}.section h1,.page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.18;margin:16px 0}.section h2{font-size:clamp(27px,4vw,40px);line-height:1.25;margin:12px 0}.lead{font-size:18px;color:#66788A}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.content-img{max-width:100%;width:100%;height:auto;border-radius:22px;background:#fff;box-shadow:0 16px 40px rgba(62,120,180,.12)}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card,.zone-card,.info-card,.review-card,.faq-item,.feature-box{background:rgba(255,255,255,.94);border:1px solid rgba(58,143,232,.16);box-shadow:0 14px 36px rgba(62,120,180,.10);border-radius:20px;padding:24px}.zone-card a,.info-card a,.text-link{color:#3A8FE8;font-weight:800}.links{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:24px}.review-meta{color:#8A9AAF;font-size:13px;margin-top:12px}.notice{margin-top:24px;padding:18px 20px;border-left:4px solid #3A8FE8;background:#E8F4FF;border-radius:0 14px 14px 0;color:#66788A}.page-hero{padding:70px 0 46px;background:linear-gradient(135deg,#F6FBFF,#DDEEFF)}.page-hero .container{max-width:900px}.page-body{padding:54px 0 78px}.page-body .content-wrap{display:grid;gap:28px}.page-intro{display:grid;grid-template-columns:1fr .86fr;gap:34px;align-items:center}.service-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-list article{background:#fff;border:1px solid rgba(58,143,232,.15);border-radius:18px;padding:20px}.faq-item{margin-bottom:14px}.faq-item h2,.faq-item h3{margin-top:0}footer{background:#243447;color:#EAF3FF;padding:50px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}.footer-brand img{max-height:48px;width:auto;margin-bottom:16px}.footer-grid h3{color:#fff}.footer-grid a{display:block;color:#cce7ff;margin:7px 0}.footer-note{text-align:center;margin-top:34px;padding:18px 20px;border-top:1px solid rgba(255,255,255,.10);color:#bdd2e5;font-size:13px}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}@media(max-width:900px){.nav-core,.all-menu-btn{display:none}.mobile-menu-btn{display:flex}.header-inner{min-height:68px}.logo{position:absolute;left:50%;transform:translateX(-50%);z-index:2}.logo img{max-height:42px;max-width:132px}.header-action{margin-left:auto}.main-btn.small{padding:8px 15px}.mega-panel{display:none}.split,.page-intro{grid-template-columns:1fr}.grid-3,.service-list{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.section{padding:54px 0}.banner-slider{margin:16px auto 26px;border-radius:16px}}@media(max-width:600px){.container{width:min(100% - 24px,1180px)}.grid-3,.grid-2,.service-list,.footer-grid{grid-template-columns:1fr}.section{padding:42px 0}.slider-arrow{width:36px;height:36px;font-size:24px}.prev{left:8px}.next{right:8px}.dots{bottom:8px}.card,.zone-card,.info-card,.review-card,.faq-item{padding:19px}.header-action{gap:6px}.main-btn.small{font-size:14px}.logo img{max-width:116px;max-height:38px}}