*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#E6EBF2;color:#243447;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:#289CFF;text-decoration:none;transition:.2s ease}
a:hover{color:#1E90F0}
img{max-width:100%;height:auto;display:block}
.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;background:#F5F7FB;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,0.10)}
.desktop-header{height:78px;display:flex;align-items:center;gap:22px}
.brand-logo img{width:138px;max-height:52px;object-fit:contain}
.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:2px;white-space:nowrap;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{position:relative;color:#4E5F7A;font-size:15px;font-weight:700;padding:24px 8px 20px;border-radius:12px}
.nav a:after{content:"";position:absolute;left:50%;bottom:12px;width:0;height:3px;border-radius:999px;background:#289CFF;transform:translateX(-50%);transition:.2s ease}
.nav a.active,.nav a:hover{color:#289CFF;background:rgba(40,156,255,.06)}
.nav a.active:after{width:24px}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF!important;border-radius:999px;box-shadow:0 10px 24px rgba(36,155,255,0.25);font-weight:800;border:0;min-height:42px;padding:0 24px;letter-spacing:.04em}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px);box-shadow:0 14px 26px rgba(36,155,255,0.32)}
.header-btn{flex:0 0 auto}
.mobile-header{display:none;height:68px;align-items:center;justify-content:space-between;padding:0 16px;background:#F5F7FB}
.menu-toggle{width:44px;height:44px;border:0;background:#FFFFFF;border-radius:14px;box-shadow:0 8px 20px rgba(56,92,138,.10);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-toggle span{width:21px;height:2px;border-radius:999px;background:#4E5F7A}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
.mobile-logo img{width:126px;max-height:48px;object-fit:contain}
.mobile-reg{min-height:38px;padding:0 18px;font-size:14px}
.drawer-mask{position:fixed;inset:0;background:rgba(15,28,45,.42);opacity:0;visibility:hidden;transition:.25s ease;z-index:10000}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#FFFFFF;z-index:10001;transform:translateX(-100%);transition:.28s ease;box-shadow:18px 0 42px rgba(24,45,70,.22);overflow-y:auto}
.drawer-head{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(40,156,255,.12);background:#F5F7FB}
.drawer-logo img{width:126px;max-height:48px;object-fit:contain}
.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#E6EBF2;color:#4E5F7A;font-size:26px;line-height:1;cursor:pointer}
.drawer-nav{display:grid;padding:14px}
.drawer-nav a{color:#4E5F7A;font-weight:800;padding:13px 14px;border-radius:14px;border-bottom:1px solid rgba(40,156,255,.08)}
.drawer-nav a.active,.drawer-nav a:hover{color:#289CFF;background:#EEF2F7}
.drawer-open{overflow:hidden}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-open .mobile-drawer{transform:translateX(0)}
.site-main{padding-bottom:44px}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,0.12);overflow:hidden;position:relative;height:460px}
.slider-track{position:relative;width:100%;height:100%}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .4s ease,visibility .4s ease;background:#FFFFFF;display:flex;align-items:center;justify-content:center}
.slide.active{opacity:1;visibility:visible}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.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%);z-index:4;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:#289CFF;font-size:26px;box-shadow:0 10px 22px rgba(56,92,138,.16);cursor:pointer;line-height:1}
.slider-prev{left:18px}.slider-next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;align-items:center;justify-content:center;gap:9px;z-index:5}
.slider-dot{width:10px;height:10px;border:0;border-radius:50%;background:rgba(78,95,122,.32);cursor:pointer;padding:0}
.slider-dot.active{width:26px;border-radius:999px;background:#289CFF}
.hero-block,.section-block{width:min(1200px,calc(100% - 40px));margin:0 auto 34px}
.hero-card{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;background:rgba(255,255,255,0.92);border:1px solid rgba(40,156,255,0.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:24px;padding:34px;overflow:hidden}
.hero-card h1,.page-hero h1{margin:0 0 16px;color:#289CFF;font-size:42px;line-height:1.18;letter-spacing:-.03em}
.hero-card p,.page-hero p,.section-lead{color:#66788A;font-size:17px;margin:0 0 14px}
.hero-actions{display:flex;align-items:center;gap:18px;margin-top:20px;flex-wrap:wrap}
.text-link{font-weight:800;color:#289CFF}
.hero-media{background:#F5F7FB;border-radius:22px;padding:14px;border:1px solid rgba(40,156,255,.14)}
.hero-media img,.content-img{width:100%;max-height:360px;object-fit:contain;border-radius:18px;background:#FFFFFF}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:18px}
h1,h2,h3,.section-title{color:#289CFF}
.section-title{font-size:30px;line-height:1.25;margin:0}
.section-note{color:#8A9AAF;margin:0;max-width:680px}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{background:rgba(255,255,255,0.92);border:1px solid rgba(40,156,255,0.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:22px;padding:24px}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-item h3,.step-card h3{margin:0 0 10px;font-size:20px;color:#289CFF}
.card p,.zone-card p,.info-card p,.review-card p,.faq-item p,.step-card p{margin:0 0 12px;color:#66788A}
.card .tag,.number-tag{display:inline-flex;align-items:center;justify-content:center;color:#289CFF;background:rgba(40,156,255,.10);border:1px solid rgba(40,156,255,.16);border-radius:999px;padding:4px 12px;font-weight:800;margin-bottom:12px;font-size:13px}
.zone-card img,.app-section img{width:100%;max-height:230px;object-fit:contain;background:#FFFFFF;border-radius:18px;margin-bottom:16px;border:1px solid rgba(40,156,255,.10)}
.page-hero{width:min(1200px,calc(100% - 40px));margin:28px auto 34px;background:rgba(255,255,255,0.92);border:1px solid rgba(40,156,255,0.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:24px;padding:34px;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;overflow:hidden}
.page-hero.simple{grid-template-columns:1fr}
.page-hero .eyebrow{display:inline-flex;color:#289CFF;background:#EEF2F7;border-radius:999px;font-weight:800;padding:5px 14px;margin-bottom:14px}
.breadcrumb{width:min(1200px,calc(100% - 40px));margin:22px auto 0;color:#8A9AAF;font-size:14px}
.breadcrumb a{font-weight:800}
.notice-bar{background:#DDE4EE;border:1px solid rgba(40,156,255,.16);border-radius:20px;padding:20px;color:#66788A}
.review-card strong{display:block;color:#243447;margin-bottom:6px}
.faq-list{display:grid;gap:16px}
.faq-item p{margin-bottom:0}
.check-list{display:grid;gap:10px;margin:16px 0 0;padding:0;list-style:none}
.check-list li{position:relative;padding-left:26px;color:#66788A}
.check-list li:before{content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:50%;background:#289CFF;box-shadow:0 0 0 5px rgba(40,156,255,.10)}
.split-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}
.app-section{background:rgba(255,255,255,0.92);border:1px solid rgba(40,156,255,0.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:24px;padding:26px;display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:center}
.site-footer{background:#243447;color:#EAF3FF;padding:46px 0 24px;margin-top:30px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1.1fr;gap:30px}
.footer-brand img{width:136px;max-height:52px;object-fit:contain;margin-bottom:14px}
.site-footer h3{color:#EAF3FF;margin:0 0 14px;font-size:18px}
.site-footer p{color:#CFE2F7;margin:0}
.site-footer a{display:block;color:#EAF3FF;margin:6px 0}
.site-footer a:hover{color:#72C6FF}
.footer-bottom{border-top:1px solid rgba(234,243,255,.16);margin-top:28px;padding-top:18px;color:#CFE2F7;font-size:14px}
@media (max-width:1100px){.nav a{font-size:14px;padding-left:6px;padding-right:6px}.desktop-header{gap:12px}.brand-logo img{width:120px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:820px){.desktop-header{display:none}.mobile-header{display:flex}.site-main{padding-top:0}.banner-slider{width:calc(100% - 24px);height:260px;margin:16px auto 26px;border-radius:18px}.slider-arrow{width:36px;height:36px;font-size:22px}.slider-prev{left:10px}.slider-next{right:10px}.hero-card,.page-hero,.app-section,.split-section{grid-template-columns:1fr;padding:24px;border-radius:20px}.hero-card h1,.page-hero h1{font-size:32px}.section-head{display:block}.section-title{font-size:26px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero-block,.section-block,.page-hero,.breadcrumb,.wrap{width:calc(100% - 24px)}.hero-media img,.content-img{max-height:300px}}
@media (max-width:560px){body{line-height:1.68}.mobile-header{height:64px}.mobile-logo img{width:116px}.mobile-reg{padding:0 15px;min-height:36px}.banner-slider{height:210px}.hero-card h1,.page-hero h1{font-size:28px}.hero-card p,.page-hero p,.section-lead{font-size:16px}.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{padding:20px}.footer-grid{grid-template-columns:1fr}.site-footer{padding-top:36px}.hero-actions{gap:12px}}