:root{--bg:#F3FBFF;--surface:#fff;--soft:#F8FCFF;--line:#E2F4FD;--primary:#22AEEA;--deep:#147FB8;--text:#34465C;--muted:#5C6F82;--hint:#8797A9;--border:rgba(34,174,234,.12);--shadow:0 16px 38px rgba(31,133,184,.12);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);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}.container{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;min-height:72px}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;justify-content:center;gap:22px;white-space:nowrap}.nav-core a{font-weight:700;position:relative;padding:10px 2px}.nav-core a:hover,.nav-core a.active{color:var(--primary)}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:0;width:22px;height:3px;border-radius:99px;background:var(--primary);transform:translateX(-50%)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#45C9F5 0%,#22AEEA 52%,#168ED4 100%);color:#fff;border-radius:999px;padding:10px 24px;font-weight:800;box-shadow:0 10px 24px rgba(34,174,234,.22)}.header-register{white-space:nowrap}.channel-bar{background:#fff;border-top:1px solid rgba(34,174,234,.06);overflow-x:auto;white-space:nowrap}.channel-inner{display:flex;gap:2px;padding:6px 0}.channel-bar a{display:inline-flex;align-items:center;color:var(--muted);padding:7px 12px;border-radius:999px;font-size:14px}.channel-bar a:hover,.channel-bar a.active{color:var(--primary);background:rgba(34,174,234,.10)}.floating-service{position:fixed;right:18px;top:42%;z-index:50;display:flex;flex-direction:column;gap:8px}.floating-service a{background:#fff;color:var(--text);border:1px solid var(--border);box-shadow:0 12px 30px rgba(31,133,184,.12);border-radius:999px;padding:9px 12px;font-size:14px}.floating-service .register-link{background:linear-gradient(135deg,#45C9F5,#22AEEA 52%,#168ED4);color:#fff}.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:24px;background:var(--soft);box-shadow:var(--shadow);overflow:hidden;position:relative;height:340px}.slides{height:100%;position:relative}.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;pointer-events:none}.slide.active{opacity:1;pointer-events:auto}.banner-slider img{width:100%;height:100%;object-fit:contain;background:var(--soft)}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:var(--deep);font-size:28px;cursor:pointer;box-shadow:0 8px 24px rgba(20,127,184,.18)}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.slider-dots button{width:9px;height:9px;border:0;border-radius:50%;background:rgba(255,255,255,.7);box-shadow:0 0 0 1px rgba(20,127,184,.18);padding:0}.slider-dots button.active{width:24px;border-radius:99px;background:var(--primary)}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.section{padding:58px 0}.section.alt{background:var(--soft);border-block:1px solid rgba(34,174,234,.08)}.section-title{margin:0 0 12px;color:var(--primary);font-size:clamp(26px,4vw,38px);line-height:1.25}.section-title:after{content:"";display:block;width:46px;height:4px;border-radius:99px;background:var(--primary);margin-top:12px}.section-lead{max-width:760px;color:var(--muted);margin:0 0 28px}.split{display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:center}.feature-image{width:100%;max-height:290px;object-fit:contain;border-radius:var(--radius);background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.quick-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.quick-item{background:#fff;padding:22px}.quick-item strong{display:block;color:var(--primary);margin-bottom:6px}.dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.dashboard article{padding:26px;border-radius:22px;background:linear-gradient(180deg,#fff,#f6fcff);border:1px solid var(--border);box-shadow:var(--shadow)}.dashboard .metric{font-size:38px;font-weight:900;color:rgba(34,174,234,.26);line-height:1}.dashboard h3,.card h3,.info-panel h3,.faq-item h3{color:var(--deep)}.horizontal-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:20px;overflow:hidden}.product-card img{width:100%;height:150px;object-fit:contain;background:var(--soft)}.card-body{padding:20px}.card-body p{color:var(--muted);margin-bottom:0}.product-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.matrix-item{background:#fff;border:1px solid var(--border);border-radius:20px;display:grid;grid-template-columns:120px 1fr;align-items:center;overflow:hidden;box-shadow:var(--shadow)}.matrix-item img{width:120px;height:130px;object-fit:contain;background:var(--soft)}.matrix-item div{padding:16px}.matrix-item h3{margin:0 0 6px;color:var(--deep)}.matrix-item p{font-size:14px;color:var(--muted);margin:0}.notice-columns{display:grid;grid-template-columns:1fr 1fr;gap:22px}.info-panel{background:#fff;border-left:5px solid var(--primary);border-radius:18px;padding:26px;box-shadow:var(--shadow)}.list-clean{padding:0;margin:0;list-style:none}.list-clean li{padding:12px 0;border-bottom:1px dashed var(--line)}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px}.review-card p{margin:0;color:var(--muted)}.review-card strong{display:block;color:var(--primary);margin-top:12px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px}.faq-item h3{margin-top:0}.legal-note{background:#eaf8ff;border:1px solid rgba(34,174,234,.18);border-radius:18px;padding:22px;color:var(--muted)}.inner-hero{padding:54px 0 24px}.inner-hero-box{background:linear-gradient(120deg,#fff,#ecf9ff);border:1px solid var(--border);border-radius:28px;padding:38px;display:grid;grid-template-columns:1fr .8fr;gap:30px;align-items:center;box-shadow:var(--shadow)}.inner-hero h1{color:var(--primary);font-size:clamp(30px,5vw,48px);margin:0 0 14px}.inner-hero p{color:var(--muted)}.inner-hero img{width:100%;max-height:270px;object-fit:contain}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.content-box{background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.content-box h2{color:var(--deep)}.site-footer{background:#163B57;color:#EAF7FE;padding:54px 0 24px;margin-top:40px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}.footer-brand img{max-height:48px;width:auto;margin-bottom:16px}.site-footer h3{color:#fff}.site-footer a{display:block;color:#d8effb;margin:8px 0}.footer-notice{border-top:1px solid rgba(255,255,255,.16);margin-top:28px;padding-top:20px;color:#cce5f2;font-size:14px}.menu-toggle,.mobile-bottom-nav{display:none}.mobile-drawer,.drawer-overlay{display:none}
@media(max-width:900px){.floating-service{display:none}.horizontal-cards{grid-template-columns:repeat(2,1fr)}.product-matrix{grid-template-columns:repeat(2,1fr)}.reviews{grid-template-columns:repeat(2,1fr)}.split,.inner-hero-box{grid-template-columns:1fr}.quick-strip{grid-template-columns:repeat(2,1fr)}.dashboard{grid-template-columns:1fr}.banner-slider{height:280px}}
@media(max-width:680px){body{padding-bottom:66px}.container{width:min(100% - 22px,1180px)}.header-inner{grid-template-columns:44px 1fr auto;min-height:62px;gap:10px}.nav-core{display:none}.logo{justify-self:center}.logo img{max-height:42px}.header-register{padding:8px 15px;font-size:14px}.menu-toggle{display:flex;width:42px;height:42px;border:0;background:transparent;flex-direction:column;justify-content:center;gap:5px;padding:8px}.menu-toggle span{display:block;height:2px;background:var(--deep);border-radius:99px}.channel-inner{width:max-content;min-width:100%;padding-inline:10px}.banner-slider{height:190px;margin:14px 11px 24px;border-radius:16px}.slider-arrow{width:34px;height:34px;font-size:22px}.section{padding:40px 0}.quick-strip,.horizontal-cards,.product-matrix,.notice-columns,.reviews,.faq-grid,.content-grid,.footer-grid{grid-template-columns:1fr}.matrix-item{grid-template-columns:105px 1fr}.matrix-item img{width:105px;height:115px}.product-card img{height:135px}.feature-image,.inner-hero img{max-height:220px}.inner-hero{padding-top:30px}.inner-hero-box{padding:24px}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;border-top:1px solid var(--border);height:62px;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px;font-weight:700}.mobile-bottom-nav a.active{color:var(--primary)}.drawer-overlay{display:block;position:fixed;inset:0;background:rgba(15,43,61,.38);z-index:110;opacity:0;visibility:hidden;transition:.25s}.drawer-overlay.show{opacity:1;visibility:visible}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:120;transform:translateX(-101%);transition:.28s;overflow:auto;box-shadow:20px 0 50px rgba(21,74,104,.18)}.mobile-drawer.open{transform:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border)}.drawer-head img{max-height:44px;width:auto}.drawer-close{font-size:30px;border:0;background:transparent;color:var(--muted)}.mobile-drawer nav{padding:10px}.mobile-drawer nav a{display:block;padding:12px 14px;border-bottom:1px solid #eef8fc;color:var(--text)}body.drawer-open{overflow:hidden}.site-footer{margin-top:20px}.footer-grid{gap:18px}}