:root{--bg:#F4F5F7;--surface:#fff;--soft:#EEF1F5;--line:#DDE2EA;--red:#D60000;--deep:#A90000;--text:#1D222B;--muted:#5B6472;--quiet:#87909E;--shadow:0 16px 38px rgba(24,32,46,.08)}*{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}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 36px));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 rgba(20,28,40,.08)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{flex:0 0 auto}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap;margin-left:auto}.nav-core a{font-weight:600;position:relative;padding:7px 4px}.nav-core a:hover,.nav-core a.active{color:var(--red)}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:-10px;width:22px;height:3px;border-radius:999px;background:var(--red);transform:translateX(-50%)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#FF3030 0%,#D60000 52%,#980000 100%);color:#fff;border-radius:999px;padding:11px 24px;font-weight:700;box-shadow:0 10px 24px rgba(214,0,0,.2)}.header-register{flex:0 0 auto}.channel-bar{background:#fff;border-top:1px solid rgba(20,28,40,.05);overflow-x:auto;white-space:nowrap}.channel-scroll{display:flex;gap:5px;padding:8px 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(--red);background:rgba(214,0,0,.08)}.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 rgba(20,28,40,.08);box-shadow:0 12px 30px rgba(24,32,46,.08);border-radius:999px;padding:9px 12px;font-size:14px}.floating-service a.register-link{background:linear-gradient(135deg,#FF3030,#D60000 52%,#980000);color:#fff}.menu-toggle{display:none;border:0;background:none;padding:8px}.menu-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:4px}.banner-slider{width:min(1180px,calc(100% - 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@media(max-width:900px){.nav-core{display:none}.menu-toggle{display:block}.header-inner{min-height:64px;gap:10px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.header-register{padding:9px 16px}.floating-service{display:none}.intro-split,.feature-split,.inner-hero .wrap{grid-template-columns:1fr}.dashboard{grid-template-columns:1fr}.matrix{grid-template-columns:repeat(2,1fr)}.ticker{grid-template-columns:repeat(2,1fr)}.reviews{grid-template-columns:1fr 1fr}.mobile-drawer{display:block;position:fixed;z-index:220;top:0;left:0;width:84%;max-width:320px;height:100dvh;background:#fff;transform:translateX(-105%);transition:.25s;overflow-y:auto;box-shadow:16px 0 42px rgba(0,0,0,.18)}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--line)}.drawer-head img{max-height:44px;width:auto}.drawer-close{border:0;background:var(--soft);width:38px;height:38px;border-radius:50%;font-size:25px}.mobile-drawer nav{display:grid;padding:10px 18px 28px}.mobile-drawer nav a{padding:11px 4px;border-bottom:1px solid #eef0f3}.drawer-overlay{position:fixed;inset:0;z-index:210;background:rgba(17,21,28,.42)}.drawer-overlay.show{display:block}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;z-index:180;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;padding:11px 4px;font-size:13px}.mobile-bottom-nav a:hover{color:var(--red)}body{padding-bottom:58px}.channel-scroll{width:max-content}.banner-slider{height:clamp(150px,45vw,210px);border-radius:15px}.slider-arrow{width:34px;height:34px}.section{padding:46px 0}.feature-split img,.inner-hero img{height:220px}}
@media(max-width:620px){.container{width:min(100% - 24px,1180px)}.ticker,.notice-grid,.support-grid,.faq-list,.review-row,.reviews{grid-template-columns:1fr}.matrix{grid-template-columns:1fr 1fr;gap:12px}.product-card img,.matrix .product-card img{height:120px}.intro-copy,.content-block,.inner-hero .copy{padding:24px}.quick-links{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:not(:first-child){display:none}.section-head{display:block}.lead{font-size:16px}}