*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#E6EBF2;color:#243447;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}p{margin:0 0 14px;color:#243447}.site-header{position:sticky;top:0;left:0;right:0;z-index:9999;background:#F5F7FB;border-bottom:1px solid rgba(40,156,255,.13);box-shadow:0 12px 28px rgba(56,92,138,.10)}.header-inner{max-width:1240px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.logo{flex:0 0 auto;display:flex;align-items:center}.logo img{max-height:52px;width:auto;display:block}.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,.nav-drop{font-size:15px;font-weight:700;color:#4E5F7A;background:transparent;border:0;cursor:pointer;padding:22px 0;position:relative;font-family:inherit}.nav>a:after,.nav-drop:after{content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:999px;background:#289CFF;transform:scaleX(0);transition:.22s}.nav>a:hover,.nav>a.active,.nav-drop:hover,.dropdown.active .nav-drop{color:#289CFF}.nav>a:hover:after,.nav>a.active:after,.dropdown.active .nav-drop:after{transform:scaleX(1)}.header-action{flex:0 0 auto;display:flex;align-items:center}.main-btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF!important;font-weight:800;letter-spacing:.02em;box-shadow:0 12px 26px rgba(36,155,255,.24);transition:.22s}.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(36,155,255,.30)}.small-btn{min-width:88px;height:42px;padding:0 22px}.dropdown,.more-dropdown{position:relative}.dropdown-menu,.more-menu{position:absolute;top:100%;left:0;min-width:180px;background:#FFFFFF;border:1px solid rgba(40,156,255,.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,.16);z-index:10000;padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s}.dropdown-right{left:auto;right:0}.dropdown:hover .dropdown-menu,.more-dropdown:hover .more-menu,.dropdown.touch-open .dropdown-menu,.more-dropdown.touch-open .more-menu{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-menu a,.more-menu a{display:block;padding:10px 14px;color:#4E5F7A;border-radius:10px;white-space:nowrap;font-weight:700;font-size:14px}.dropdown-menu a:hover,.dropdown-menu a.active,.more-menu a:hover,.more-menu a.active{color:#289CFF;background:rgba(40,156,255,.08)}.more-dropdown{display:none}.menu-toggle{display:none;background:transparent;border:0;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}.menu-toggle span{display:block;width:22px;height:2px;background:#4E5F7A;border-radius:4px}.drawer-mask{position:fixed;inset:0;background:rgba(36,52,71,.42);z-index:10001;opacity:0;visibility:hidden;transition:.24s}.drawer-mask.show{opacity:1;visibility:visible}.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#FFFFFF;z-index:10002;transform:translateX(-104%);transition:.28s;box-shadow:24px 0 60px rgba(36,52,71,.22);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 18px;border-bottom:1px solid rgba(40,156,255,.12);background:#F5F7FB}.drawer-logo img{height:46px;width:auto;display:block}.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid rgba(40,156,255,.18);background:#FFFFFF;color:#289CFF;font-size:26px;line-height:1;cursor:pointer}.drawer-nav{display:grid;padding:14px}.drawer-nav a{padding:12px 14px;margin:2px 0;border-radius:12px;color:#4E5F7A;font-weight:800}.drawer-nav a.active,.drawer-nav a:hover{color:#289CFF;background:rgba(40,156,255,.08)}.page-main{padding:28px 20px 64px}.container{max-width:1200px;margin:0 auto}.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative;border:1px solid rgba(40,156,255,.13)}.banner-track{position:relative;height:clamp(260px,42vw,520px);background:#FFFFFF}.banner-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .55s ease;display:flex;align-items:center;justify-content:center}.banner-slide.active{opacity:1;visibility:visible}.banner-slide img{width:100%;height:100%;object-fit:contain;background:#FFFFFF;display:block}.banner-copy{position:absolute;left:clamp(18px,5vw,56px);bottom:clamp(18px,5vw,52px);max-width:460px;padding:20px 22px;border-radius:20px;background:rgba(255,255,255,.88);border:1px solid rgba(40,156,255,.14);box-shadow:0 14px 34px rgba(56,92,138,.13);backdrop-filter:blur(8px)}.banner-copy strong{display:block;color:#289CFF;font-size:clamp(22px,3vw,36px);line-height:1.22;margin-bottom:8px}.banner-copy span{display:block;color:#4E5F7A;font-weight:700}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:999px;background:rgba(255,255,255,.88);color:#289CFF;font-size:24px;font-weight:900;cursor:pointer;box-shadow:0 10px 24px rgba(56,92,138,.18);z-index:4}.slider-prev{left:18px}.slider-next{right:18px}.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:9px;z-index:4}.slider-dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(78,95,122,.34);cursor:pointer;transition:.2s}.slider-dot.active{width:28px;background:#289CFF}.section{max-width:1200px;margin:0 auto 30px}.section .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-title,h1,h2,h3{color:#289CFF;line-height:1.25}.section-title{font-size:clamp(26px,3.4vw,38px);margin:0}.section-sub{color:#66788A;margin:6px 0 0;max-width:780px}.card,.zone-card,.info-card,.review-card,.faq-item,.step-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}.welcome-card{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;padding:32px}.welcome-card h1{font-size:clamp(30px,4vw,48px);margin:0 0 14px}.welcome-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:20px}.text-link{color:#289CFF;font-weight:800}.content-img{width:100%;max-width:100%;height:auto;border-radius:20px;display:block;object-fit:contain;background:#FFFFFF}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.quick-card{padding:22px}.quick-card .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:rgba(40,156,255,.10);color:#289CFF;font-weight:900;margin-bottom:12px}.quick-card h3{margin:0 0 8px;font-size:20px}.quick-card p{color:#66788A}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card{padding:24px}.feature-card h3{margin:0 0 10px}.feature-card .tag{display:inline-block;color:#289CFF;background:rgba(40,156,255,.10);border-radius:999px;padding:5px 11px;font-weight:800;font-size:13px;margin-bottom:12px}.product-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.product-card{overflow:hidden}.product-card img{width:100%;height:150px;object-fit:contain;background:#F5F7FB;display:block;padding:8px}.product-card .product-body{padding:18px}.product-card h3{margin:0 0 8px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.info-card{padding:28px}.info-card h2,.info-card h3{margin-top:0}.point-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}.point{padding:14px 16px;border-radius:16px;background:#EEF2F7;color:#4E5F7A;font-weight:800}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step-card{padding:22px}.step-card span{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;background:rgba(40,156,255,.10);color:#289CFF;border-radius:12px;font-weight:900;margin-bottom:12px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card{padding:22px}.review-card strong{display:block;color:#289CFF;margin-bottom:8px}.notice-strip{padding:22px 26px;border-radius:22px;background:#DDE4EE;border:1px solid rgba(40,156,255,.14);color:#243447}.faq-list{display:grid;gap:14px}.faq-item{padding:22px}.faq-item h3{margin:0 0 8px;font-size:20px}.inner-hero{max-width:1200px;margin:0 auto 30px;padding:34px;border-radius:26px;background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}.inner-hero h1{font-size:clamp(30px,4vw,48px);margin:0 0 14px}.hero-label,.eyebrow{display:inline-flex;color:#289CFF;background:rgba(40,156,255,.10);border-radius:999px;padding:6px 12px;font-weight:900;margin-bottom:12px}.hero-img{width:100%;border-radius:22px;object-fit:contain;background:#FFFFFF;display:block;max-height:360px}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.list-card{padding:24px}.list-card ul{margin:0;padding-left:18px;color:#4E5F7A}.list-card li{margin:7px 0}.full-card{padding:28px}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mini-card{padding:20px;border-radius:18px;background:#FFFFFF;border:1px solid rgba(40,156,255,.14)}.mini-card b{color:#289CFF}.contact-box{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.contact-item{padding:22px;border-radius:20px;background:#FFFFFF;border:1px solid rgba(40,156,255,.14)}.contact-item strong{display:block;color:#289CFF;margin-bottom:8px}.site-footer{background:#243447;color:#EAF3FF}.footer-inner{max-width:1200px;margin:0 auto;padding:46px 20px;display:grid;grid-template-columns:1.4fr .7fr .7fr 1fr;gap:30px}.footer-logo img{height:52px;width:auto;display:block;margin-bottom:14px}.footer-brand p,.footer-note p{color:#EAF3FF;opacity:.88}.footer-links h3,.footer-note h3{margin:0 0 12px;color:#EAF3FF}.footer-links a{display:block;color:#EAF3FF;opacity:.86;margin:7px 0}.footer-links a:hover{opacity:1;color:#8fd1ff}.footer-btn{height:40px;padding:0 20px;margin-top:10px}.footer-bottom{text-align:center;padding:18px 20px;border-top:1px solid rgba(234,243,255,.15);font-size:14px;color:rgba(234,243,255,.82)}.simple-page{max-width:900px;margin:0 auto;padding:42px 20px}.simple-card{padding:36px;text-align:center}.simple-card h1{margin-top:0}.simple-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:22px}@media (max-width:1180px){.nav{gap:16px}.nav-product,.nav-support{display:none}.more-dropdown{display:block}.nav>a,.nav-drop{font-size:14px}}@media (max-width:980px){.quick-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:repeat(2,1fr)}.review-grid,.step-grid,.mini-grid,.contact-box{grid-template-columns:1fr 1fr}.welcome-card,.inner-hero,.two-col,.content-grid{grid-template-columns:1fr}.banner-copy{max-width:380px}.footer-inner{grid-template-columns:1fr 1fr}}@media (max-width:768px){.site-header{position:sticky}.header-inner{min-height:66px;padding:0 12px;gap:10px}.menu-toggle{display:flex;flex:0 0 auto}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:42px}.nav-wrap{display:none}.small-btn{min-width:70px;height:38px;padding:0 16px}.header-action{margin-left:auto}.page-main{padding:18px 14px 44px}.banner-slider{margin:18px auto 24px;border-radius:18px}.banner-track{height:clamp(230px,70vw,360px)}.banner-copy{left:12px;right:12px;bottom:44px;padding:14px;border-radius:16px}.banner-copy strong{font-size:22px}.slider-arrow{width:36px;height:36px;font-size:20px}.slider-prev{left:10px}.slider-next{right:10px}.section .section-head{display:block}.welcome-card,.inner-hero{padding:22px;border-radius:20px}.quick-grid,.feature-grid,.product-grid,.review-grid,.step-grid,.point-list,.mini-grid,.contact-box,.footer-inner{grid-template-columns:1fr}.content-img,.hero-img{max-height:none}.footer-inner{padding:34px 16px}.product-card img{height:160px}.simple-card{padding:24px}.simple-actions{flex-direction:column}.simple-actions .main-btn{width:100%}}