*{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:#F3FBFF;color:#34465C;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}main{padding-top:128px}.site-header{position:fixed;top:0;left:0;right:0;z-index:9999;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(34,174,234,.12);box-shadow:0 8px 22px rgba(31,133,184,.08)}.header-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;padding:0 18px}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:#34465C;font-weight:700;position:relative;padding:8px 2px}.nav-core a:hover,.nav-core a.active{color:#22AEEA}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:-10px;width:22px;height:3px;border-radius:999px;background:#22AEEA;transform:translateX(-50%)}.main-btn{display:inline-flex;align-items:center;justify-content:center;border:0;background:linear-gradient(135deg,#45C9F5 0%,#22AEEA 52%,#168ED4 100%);color:#fff;border-radius:999px;padding:11px 24px;font-weight:800;box-shadow:0 13px 28px rgba(34,174,234,.26);transition:.22s}.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(34,174,234,.34)}.header-register{white-space:nowrap}.channel-bar{background:#fff;border-top:1px solid rgba(34,174,234,.08);border-bottom:1px solid rgba(34,174,234,.12);overflow-x:auto;white-space:nowrap}.channel-bar::-webkit-scrollbar{height:0}.channel-track{max-width:1180px;margin:0 auto;padding:8px 18px;display:flex;gap:6px}.channel-bar a{display:inline-flex;align-items:center;color:#5C6F82;padding:9px 14px;border-radius:999px;font-weight:650}.channel-bar a:hover,.channel-bar a.active{color:#22AEEA;background:rgba(34,174,234,.10)}.menu-toggle{display:none;background:transparent;border:0;width:40px;height:40px;padding:8px}.menu-toggle span{display:block;height:2px;background:#147FB8;margin:6px 0;border-radius:999px}.floating-service{position:fixed;right:18px;top:42%;z-index:50;display:flex;flex-direction:column;gap:8px}.floating-service a{background:#fff;color:#34465C;border:1px solid rgba(34,174,234,.12);box-shadow:0 12px 30px rgba(31,133,184,.12);border-radius:999px;padding:9px 12px;font-weight:700;text-align:center}.floating-service a.register-link{background:linear-gradient(135deg,#45C9F5 0%,#22AEEA 52%,#168ED4 100%);color:#fff}.container{max-width:1180px;margin:0 auto;padding:0 18px}.section{max-width:1180px;margin:0 auto 34px;padding:0 18px}.section-box{background:#fff;border:1px solid rgba(34,174,234,.12);box-shadow:0 16px 38px rgba(31,133,184,.12);border-radius:28px;padding:34px}.section-soft{background:linear-gradient(135deg,#fff,#F8FCFF);border:1px solid rgba(34,174,234,.14);border-radius:28px;padding:34px;box-shadow:0 16px 38px rgba(31,133,184,.10)}h1,h2,h3,.section-title{color:#22AEEA;line-height:1.25;margin:0 0 14px}h1{font-size:42px;color:#147FB8}h2{font-size:30px}.lead{font-size:18px;color:#5C6F82;max-width:850px}.mini-tag{display:inline-flex;color:#22AEEA;background:rgba(34,174,234,.10);border:1px solid rgba(34,174,234,.16);border-radius:999px;padding:4px 12px;font-weight:800;font-size:13px;margin-bottom:12px}.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:24px;background:#F8FCFF;box-shadow:0 16px 38px rgba(31,133,184,.12);overflow:hidden;position:relative;height:330px}.slide{display:none;width:100%;height:100%}.slide.active{display:block}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F8FCFF}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(34,174,234,.22);background:rgba(255,255,255,.86);color:#147FB8;font-size:28px;line-height:1;cursor:pointer}.slider-prev{left:14px}.slider-next{right:14px}.slider-dots{position:absolute;left:0;right:0;bottom:12px;display:flex;align-items:center;justify-content:center;gap:8px}.slider-dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(20,127,184,.28);cursor:pointer}.slider-dot.active{width:28px;background:#22AEEA}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.hero-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:center}.intro-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:20px}.plain-link{color:#147FB8;font-weight:800}.ticker{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.ticker-item{background:#fff;border:1px solid rgba(34,174,234,.12);border-radius:20px;padding:18px;box-shadow:0 12px 30px rgba(31,133,184,.08)}.ticker-item strong{display:block;color:#147FB8;margin-bottom:6px}.dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card,.zone-card,.review-card,.product-card{background:#fff;border:1px solid rgba(34,174,234,.12);box-shadow:0 16px 38px rgba(31,133,184,.12);border-radius:20px;padding:22px}.feature-row{display:grid;grid-template-columns:1fr 1.05fr;gap:28px;align-items:center}.feature-row.reverse{grid-template-columns:1.05fr 1fr}.image-wrap{background:#F8FCFF;border:1px solid rgba(34,174,234,.12);border-radius:24px;padding:16px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.8)}.content-img{width:100%;height:260px;object-fit:contain}.recommend-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.product-card img{width:100%;height:155px;object-fit:contain;background:#F8FCFF;border-radius:16px;margin-bottom:14px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid rgba(34,174,234,.12);border-radius:18px;padding:18px}.page-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}.page-hero img{width:100%;height:280px;object-fit:contain;background:#F8FCFF;border-radius:24px;padding:14px}.notice{border-left:4px solid #22AEEA;background:#F8FCFF;border-radius:18px;padding:18px;color:#5C6F82}.site-footer{background:#163B57;color:#EAF7FE;margin-top:42px}.footer-inner{max-width:1180px;margin:0 auto;padding:42px 18px;display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:30px}.footer-brand img{max-height:54px;margin-bottom:14px}.footer-links{display:grid;gap:8px}.footer-links h3{color:#fff;margin-bottom:6px}.footer-links a{color:#EAF7FE}.footer-note{border-top:1px solid rgba(234,247,254,.16);max-width:1180px;margin:0 auto;padding:18px;color:#CDEFFF}.drawer-mask,.mobile-drawer{display:none}.mobile-bottom-nav{display:none}@media(max-width:900px){main{padding-top:118px;padding-bottom:74px}.nav-core{display:none}.menu-toggle{display:block}.header-inner{min-height:64px;gap:12px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.header-register{padding:8px 16px}.floating-service{display:none}.channel-track{padding:7px 12px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(12,28,42,.45);z-index:10000;opacity:0;visibility:hidden;transition:.22s}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:10001;transform:translateX(-100%);transition:.25s;box-shadow:18px 0 40px rgba(20,127,184,.16);overflow:auto}.drawer-open{overflow:hidden}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(34,174,234,.12)}.drawer-head img{max-height:48px}.drawer-close{border:0;background:#F3FBFF;color:#147FB8;font-size:28px;border-radius:12px;width:40px;height:40px}.drawer-links{display:grid;padding:14px}.drawer-links a{padding:12px 14px;border-radius:14px;color:#34465C;font-weight:700}.drawer-links a.active,.drawer-links a:hover{background:rgba(34,174,234,.10);color:#22AEEA}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid rgba(34,174,234,.18);z-index:9999;box-shadow:0 -8px 22px rgba(31,133,184,.08)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 4px;color:#5C6F82;font-size:12px;font-weight:700}.mobile-bottom-nav span{font-size:18px;line-height:1}.mobile-bottom-nav a.active{color:#22AEEA}.banner-slider{height:190px;margin:14px 12px 24px;border-radius:18px}.slider-btn{width:34px;height:34px;font-size:22px}.hero-intro,.page-hero,.feature-row,.feature-row.reverse,.two-col{grid-template-columns:1fr}.dashboard,.ticker,.recommend-grid,.product-matrix,.review-grid{grid-template-columns:1fr}.section,.container{padding:0 12px}.section-box,.section-soft{padding:22px;border-radius:22px}h1{font-size:30px}h2{font-size:24px}.content-img,.page-hero img{height:205px}.product-card img{height:135px}.footer-inner{grid-template-columns:1fr;padding:30px 18px}}@media(min-width:901px) and (max-width:1100px){.recommend-grid{grid-template-columns:repeat(2,1fr)}.ticker{grid-template-columns:repeat(2,1fr)}.product-matrix{grid-template-columns:repeat(2,1fr)}}