:root{--bg:#E6EBF2;--nav:#F5F7FB;--blue:#289CFF;--text:#243447;--muted:#66788A;--soft:#8A9AAF;--dark:#243447;--line:rgba(40,156,255,.16);--shadow:0 14px 36px rgba(56,92,138,.12)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;overflow-x:hidden}body{font-family:"Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75}.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,247,251,.96);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(56,92,138,.12)}.header-inner{max-width:1280px;min-height:72px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{flex:0 0 auto}.logo img{display:block;max-height:48px;width:auto}.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}.nav{display:flex;align-items:center;gap:20px;white-space:nowrap;flex-wrap:nowrap}.nav a{color:#4E5F7A;text-decoration:none;font-weight:600}.nav a:hover,.nav a.active{color:var(--blue)}.dropdown{position:relative}.dropdown-menu{display:none;position:absolute;top:100%;left:0;min-width:190px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,.16);z-index:10000}.dropdown:hover .dropdown-menu{display:block}.dropdown-menu a{display:block;padding:10px 12px;border-radius:9px}.dropdown-menu a:hover{background:rgba(40,156,255,.08)}.dropdown-right{left:auto;right:0}.header-action{flex:0 0 auto}.main-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff!important;text-decoration:none;font-weight:700;box-shadow:0 10px 22px rgba(36,155,255,.24);transition:.2s}.main-btn:hover{transform:translateY(-2px)}.menu-toggle{display:none;border:0;background:transparent;font-size:28px;color:var(--text)}main{position:relative;z-index:1}.container{width:min(1200px,calc(100% - 36px));margin:auto}.section{padding:64px 0}.section-tight{padding:34px 0}.panel,.card,.info-card,.review-card,.faq-item{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.panel{padding:34px}.hero-copy h1,.section-title,h1,h2,h3{color:var(--blue)}h1{font-size:clamp(30px,5vw,52px);line-height:1.2;margin:0 0 18px}h2{font-size:clamp(25px,3.5vw,38px);margin:0 0 18px}h3{margin:0 0 10px}.lead{font-size:18px;color:var(--muted)}.text-link{color:var(--blue);font-weight:700;text-decoration:none}.grid-2,.grid-3,.grid-4{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card,.info-card,.review-card{padding:24px}.content-img{display:block;width:100%;height:auto;object-fit:contain;border-radius:16px;background:#fff}.split{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:34px}.banner-slider{max-width:1200px;margin:26px auto 0;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}.slides{position:relative}.slide{display:none}.slide.active{display:block}.slide img{display:block;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(36,52,71,.58);color:#fff;font-size:25px;cursor:pointer}.prev{left:16px}.next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:9px}.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.58);cursor:pointer}.slider-dot.active{background:#289CFF}.notice-strip{margin-top:18px;padding:14px 20px;border-radius:14px;background:#DDE4EE;color:#4E5F7A;text-align:center}.steps{counter-reset:step}.step{position:relative;padding:24px 24px 24px 72px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:22px;top:24px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#289CFF;color:#fff;font-weight:700}.tag{display:inline-block;padding:5px 11px;border-radius:999px;background:rgba(40,156,255,.1);color:#289CFF;font-size:13px;font-weight:700}.page-hero{padding:58px 0 30px}.page-hero .panel{background:linear-gradient(135deg,#fff,#EEF7FF)}.bullets{padding-left:20px}.faq-list{display:grid;gap:15px}.faq-item{padding:22px}.faq-item h3{font-size:18px}.site-footer{background:#243447;color:#EAF3FF;padding:54px 20px 84px}.footer-grid{max-width:1200px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}.footer-logo{max-height:44px;width:auto}.site-footer h3{color:#fff}.site-footer a{display:block;color:#D9E8F7;text-decoration:none;margin:8px 0}.legal{max-width:1200px;margin:30px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;color:#BFD0E0}.mobile-drawer,.drawer-overlay,.mobile-bottom{display:none}
@media(max-width:1050px){.nav-wrap{display:none}.menu-toggle{display:block}.header-inner{display:grid;grid-template-columns:80px 1fr 80px;padding:0 14px}.logo{justify-self:center}.header-action{justify-self:end}.header-action .main-btn{padding:9px 16px}.mobile-drawer{display:block;position:fixed;top:0;bottom:0;left:0;width:84%;max-width:320px;background:#fff;z-index:12000;transform:translateX(-105%);transition:.28s;overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-overlay{display:block;position:fixed;inset:0;background:rgba(25,39,54,.46);z-index:11000;opacity:0;visibility:hidden;transition:.25s}.drawer-overlay.show{opacity:1;visibility:visible}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--line)}.drawer-head img{max-height:42px}.drawer-close{border:0;background:transparent;font-size:32px}.drawer-nav{padding:12px}.drawer-nav a{display:block;padding:12px 14px;border-radius:10px;color:#4E5F7A;text-decoration:none}.drawer-nav a:hover{background:#EEF7FF;color:#289CFF}.menu-open{overflow:hidden}.mobile-bottom{display:grid;position:fixed;left:0;right:0;bottom:0;grid-template-columns:repeat(4,1fr);background:#fff;z-index:9000;box-shadow:0 -8px 24px rgba(56,92,138,.14)}.mobile-bottom a{text-align:center;padding:12px 5px;color:#4E5F7A;text-decoration:none}.site-footer{padding-bottom:110px}}
@media(max-width:780px){.section{padding:44px 0}.panel{padding:24px}.grid-2,.grid-3,.grid-4,.split,.footer-grid{grid-template-columns:1fr}.slider-arrow{width:38px;height:38px}.banner-slider{margin-top:14px;border-radius:14px}.notice-strip{font-size:14px}.step{padding-left:66px}.header-inner{min-height:64px}.logo img{max-height:38px}.lead{font-size:16px}}