*{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{color:inherit;text-decoration:none}img{max-width:100%;display:block}.shell{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:9999;background:#F5F7FB;border-bottom:1px solid rgba(40,156,255,.12);box-shadow:0 8px 22px rgba(56,92,138,.08)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:72px}.logo{flex:0 0 auto}.logo img{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:18px;white-space:nowrap;flex-wrap:nowrap}.nav>a,.dropdown>button{position:relative;border:0;background:transparent;color:#4E5F7A;font:inherit;font-size:15px;cursor:pointer;padding:24px 0 20px}.nav>a:hover,.nav>a.active,.dropdown>button:hover{color:#289CFF}.nav>a.active:after{content:"";position:absolute;left:0;right:0;bottom:13px;height:3px;border-radius:3px;background:#289CFF}.header-action{flex:0 0 auto}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:14px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;font-weight:700;box-shadow:0 10px 24px rgba(36,155,255,.26);transition:.2s}.main-btn:hover{transform:translateY(-2px)}.main-btn.compact{min-height:40px;padding:0 20px}.dropdown{position:relative}.dropdown-menu,.more-menu{display:none;position:absolute;top:calc(100% - 4px);left:-18px;min-width:190px;padding:8px;background:#fff;border:1px solid rgba(40,156,255,.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,.16);z-index:10000}.dropdown:hover .dropdown-menu,.dropdown:hover .more-menu,.dropdown.open .dropdown-menu,.dropdown.open .more-menu{display:block}.dropdown-menu a,.more-menu a{display:block;padding:10px 14px;color:#4E5F7A;white-space:nowrap;border-radius:9px}.dropdown-menu a:hover,.more-menu a:hover{color:#289CFF;background:rgba(40,156,255,.08)}.menu-toggle{display:none;width:42px;height:42px;border:0;background:transparent;padding:8px}.menu-toggle span{display:block;height:2px;background:#4E5F7A;margin:6px 0;border-radius:2px}.mobile-drawer{position:fixed;z-index:12000;left:0;top:0;bottom:0;width:min(84vw,320px);background:#fff;transform:translateX(-105%);transition:.28s;overflow:auto;box-shadow:14px 0 32px rgba(36,52,71,.18)}.mobile-drawer.open{transform:none}.drawer-overlay{position:fixed;inset:0;background:rgba(36,52,71,.45);z-index:11000;opacity:0;visibility:hidden;transition:.25s}.drawer-overlay.show{opacity:1;visibility:visible}.drawer-head{height:76px;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid #e8eef5}.drawer-logo img{height:42px;width:auto}.drawer-close{border:0;background:#EEF2F7;width:38px;height:38px;border-radius:50%;font-size:26px;color:#4E5F7A}.drawer-nav{padding:12px}.drawer-nav a{display:block;padding:12px 14px;border-radius:10px;color:#4E5F7A}.drawer-nav a:hover{background:#EEF2F7;color:#289CFF}.drawer-open{overflow:hidden}.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{position:relative;aspect-ratio:16/6.25;background:#fff}.slide{position:absolute;inset:0;opacity:0;transition:opacity .55s}.slide.active{opacity:1;z-index:2}.slide img{width:100%;height:100%;object-fit:contain;background:#fff}.slide-caption{position:absolute;left:34px;bottom:28px;max-width:430px;padding:20px 22px;background:rgba(255,255,255,.9);border:1px solid rgba(40,156,255,.16);border-radius:16px;box-shadow:0 14px 36px rgba(56,92,138,.14)}.slide-caption h2{margin:0 0 6px}.slide-caption p{margin:0;color:#66788A}.slider-arrow{position:absolute;z-index:5;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:#289CFF;font-size:26px;box-shadow:0 8px 20px rgba(56,92,138,.15);cursor:pointer}.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}.slider-dots{position:absolute;z-index:6;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px}.slider-dot{width:9px;height:9px;border:0;border-radius:50%;background:#b9c8d8;padding:0}.slider-dot.active{width:24px;border-radius:8px;background:#289CFF}.mobile-caption{display:none}.section{padding:54px 0}.section.alt{background:#EEF2F7}.section-head{max-width:760px;margin:0 auto 28px;text-align:center}.eyebrow{display:inline-block;color:#289CFF;font-weight:700;font-size:14px;letter-spacing:.08em}.section h1,.section h2,.section h3,.page-hero h1,.section-title{color:#289CFF}.section-head h2,.page-hero h1{margin:7px 0 10px;line-height:1.25}.section-head p,.muted{color:#66788A}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.content-img{width:100%;height:auto;object-fit:contain;border-radius:20px;background:#fff;box-shadow:0 14px 36px rgba(56,92,138,.12)}.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card-grid.three{grid-template-columns:repeat(3,1fr)}.card-grid.two{grid-template-columns:repeat(2,1fr)}.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:18px;padding:22px}.card h3,.zone-card h3,.info-card h3,.review-card h3{margin:0 0 10px}.text-link{color:#289CFF;font-weight:700}.zone-card img{width:100%;height:180px;object-fit:contain;background:#fff;border-radius:14px;margin-bottom:15px}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.feature-item{padding:16px;border-radius:14px;background:#fff;border:1px solid rgba(40,156,255,.14)}.feature-item strong{color:#289CFF;display:block;margin-bottom:4px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step-card{position:relative;padding-top:60px}.step-number{position:absolute;left:22px;top:18px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#289CFF;color:#fff;font-weight:700}.review-card p{margin:0 0 12px}.review-card span{color:#8A9AAF;font-size:14px}.notice{padding:24px;border-radius:18px;background:#DDE4EE;border-left:4px solid #289CFF}.faq-list{display:grid;gap:14px}.faq-item h3{margin:0 0 8px}.page-hero{padding:58px 0 34px}.page-hero-box{background:linear-gradient(135deg,#fff,#EEF2F7);border:1px solid rgba(40,156,255,.16);border-radius:24px;padding:42px;box-shadow:0 14px 36px rgba(56,92,138,.1)}.page-hero p{max-width:760px;color:#66788A}.article-grid{display:grid;grid-template-columns:2fr 1fr;gap:28px}.article-card{background:#fff;border:1px solid rgba(40,156,255,.14);border-radius:20px;padding:28px;box-shadow:0 14px 36px rgba(56,92,138,.08)}.article-card h2{margin-top:0}.check-list{padding:0;list-style:none}.check-list li{position:relative;padding:8px 0 8px 28px}.check-list li:before{content:"✓";position:absolute;left:0;color:#289CFF;font-weight:700}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:14px;border:1px solid rgba(40,156,255,.35);color:#289CFF;background:#fff;font-weight:700}.site-footer{margin-top:60px;background:#243447;color:#EAF3FF;padding:46px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}.footer-brand img{height:46px;width:auto;margin-bottom:16px}.site-footer h3{color:#fff}.site-footer a{display:block;color:#cfe0ef;margin:8px 0}.legal-line{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:20px;color:#bcd0e1;font-size:14px}@media(max-width:1020px){.nav{gap:13px}.nav>a,.dropdown>button{font-size:14px}.card-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:820px){.nav-wrap{display:none}.menu-toggle{display:block}.header-inner{display:grid;grid-template-columns:52px 1fr auto;gap:10px}.logo{justify-self:center}.logo img{max-height:40px}.main-btn.compact{padding:0 16px}.slides{aspect-ratio:16/8.5}.slide-caption{display:none}.mobile-caption{display:block;padding:20px 22px;background:#fff;border-top:1px solid rgba(40,156,255,.12)}.mobile-caption h2{margin:0 0 6px;color:#289CFF}.mobile-caption p{margin:0;color:#66788A}.split,.article-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.feature-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}@media(max-width:560px){.shell{width:min(100% - 22px,1180px)}.header-inner{min-height:64px}.logo img{max-width:120px;max-height:38px}.main-btn.compact{min-height:36px;padding:0 14px;border-radius:11px}.banner-slider{margin:14px 11px 24px;border-radius:16px}.slides{aspect-ratio:16/10}.slider-arrow{width:38px;height:38px}.slider-arrow.prev{left:8px}.slider-arrow.next{right:8px}.slider-dots{bottom:7px}.section{padding:40px 0}.page-hero{padding:30px 0 18px}.page-hero-box{padding:26px 20px}.card-grid,.card-grid.three,.card-grid.two{grid-template-columns:1fr}.zone-card img{height:auto}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.step-card{padding-top:60px}.step-number{left:20px}.section-head{text-align:left}.section-head p{margin-bottom:0}}