*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F4F5F7;color:#1D222B;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72}body.drawer-open{overflow:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 32px));margin:0 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{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.logo{display:inline-flex;align-items:center;flex:0 0 auto}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap;flex:1 1 auto}.nav-core a{color:#1D222B;font-weight:700;position:relative;padding:8px 4px}.nav-core a:hover,.nav-core a.active{color:#D60000}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:-10px;width:22px;height:3px;border-radius:999px;background:#D60000;transform:translateX(-50%)}.register-btn,.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;border-radius:999px;background:linear-gradient(135deg,#FF3030 0%,#D60000 52%,#980000 100%);color:#fff;font-weight:800;box-shadow:0 12px 26px rgba(214,0,0,.22);flex:0 0 auto}.ghost-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 20px;border-radius:999px;color:#D60000;border:1px solid rgba(214,0,0,.18);background:#fff;font-weight:700}.channel-bar{background:#fff;border-bottom:1px solid rgba(20,28,40,.08);overflow-x:auto;white-space:nowrap}.channel-scroll{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;padding:8px 0}.channel-scroll::-webkit-scrollbar{display:none}.channel-bar a{display:inline-flex;align-items:center;color:#5B6472;padding:9px 14px;border-radius:999px;font-size:14px;flex:0 0 auto}.channel-bar a:hover,.channel-bar a.active{color:#D60000;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:#1D222B;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;font-weight:700}.floating-service a.register-link{background:linear-gradient(135deg,#FF3030 0%,#D60000 52%,#980000 100%);color:#fff}.site-main{padding-bottom:42px}.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:24px;background:#EEF1F5;box-shadow:0 16px 38px rgba(24,32,46,.08);overflow:hidden;position:relative;height:clamp(260px,31vw,360px)}.slider-track{width:100%;height:100%;position:relative}.slide-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#EEF1F5;opacity:0;transition:opacity .45s ease}.slide-img.active{opacity:1;z-index:2}.slider-arrow{position:absolute;top:50%;z-index:5;width:42px;height:42px;border:0;border-radius:999px;background:rgba(255,255,255,.9);box-shadow:0 10px 22px rgba(24,32,46,.16);transform:translateY(-50%);cursor:pointer}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-arrow:before{content:"";position:absolute;width:12px;height:12px;border-top:3px solid #D60000;border-left:3px solid #D60000;top:50%;left:50%}.slider-arrow.prev:before{transform:translate(-35%,-50%) rotate(-45deg)}.slider-arrow.next:before{transform:translate(-65%,-50%) rotate(135deg)}.slider-dots{position:absolute;z-index:6;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:9px}.slider-dot{width:9px;height:9px;border:0;border-radius:999px;background:rgba(29,34,43,.28);cursor:pointer;padding:0}.slider-dot.active{width:26px;background:#D60000}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.section{margin:34px auto}.panel{background:#fff;border:1px solid rgba(20,28,40,.08);box-shadow:0 16px 38px rgba(24,32,46,.08);border-radius:24px;padding:clamp(22px,3vw,34px)}.soft-panel{background:linear-gradient(135deg,#fff,#EEF1F5);border:1px solid rgba(20,28,40,.08);border-radius:24px;padding:clamp(22px,3vw,34px);overflow:hidden}.kicker{display:inline-flex;align-items:center;gap:8px;color:#D60000;font-weight:800;margin:0 0 8px}.kicker:before{content:"";display:inline-block;width:24px;height:3px;border-radius:999px;background:#D60000}h1,h2,h3,.section-title{color:#D60000;margin:0 0 12px;line-height:1.26}h1{font-size:clamp(30px,4vw,52px)}h2{font-size:clamp(24px,3vw,34px)}h3{font-size:20px}p{margin:0 0 14px}.muted{color:#5B6472}.tiny{color:#87909E;font-size:14px}.action-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:18px}.intro-grid{display:grid;grid-template-columns:1.22fr .78fr;gap:24px;align-items:stretch}.service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.service-list a,.mini-link{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:12px 14px;background:#F4F5F7;border:1px solid rgba(20,28,40,.08);border-radius:16px;font-weight:700}.service-list a:after,.mini-link:after{content:"";width:8px;height:8px;border-top:2px solid #D60000;border-right:2px solid #D60000;transform:rotate(45deg)}.news-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.news-item{background:#fff;border:1px solid rgba(20,28,40,.08);border-left:4px solid #D60000;border-radius:18px;padding:18px;box-shadow:0 16px 38px rgba(24,32,46,.06)}.news-item strong{display:block;color:#1D222B;margin-bottom:6px}.dashboard{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.dash-card{background:#fff;border:1px solid rgba(20,28,40,.08);border-radius:22px;padding:24px;box-shadow:0 16px 38px rgba(24,32,46,.08)}.dash-card .num{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:999px;background:rgba(214,0,0,.08);color:#D60000;font-weight:900;margin-bottom:12px}.topic-split{display:grid;grid-template-columns:.92fr 1.08fr;gap:28px;align-items:center}.topic-split.reverse{grid-template-columns:1.08fr .92fr}.topic-img,.hero-media{background:#EEF1F5;border:1px solid rgba(20,28,40,.08);border-radius:24px;padding:18px;min-height:230px;display:grid;place-items:center;overflow:hidden}.topic-img img,.content-img{width:100%;max-height:280px;object-fit:contain}.line-list{display:grid;gap:10px;margin-top:16px;padding:0}.line-list li{list-style:none;padding:11px 14px;border-radius:14px;background:#F4F5F7;color:#5B6472}.horizontal-cards,.product-grid,.review-grid,.faq-grid,.feature-grid{display:grid;gap:18px}.horizontal-cards{grid-template-columns:repeat(4,minmax(0,1fr))}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.faq-grid,.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-card,.zone-card,.info-card,.review-card,.faq-card,.feature-card{background:#fff;border:1px solid rgba(20,28,40,.08);box-shadow:0 16px 38px rgba(24,32,46,.08);border-radius:20px;padding:18px}.product-card img,.zone-card img,.info-card img{width:100%;height:150px;object-fit:contain;background:#EEF1F5;border-radius:16px;margin-bottom:14px}.page-hero{margin:28px auto 26px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}.hero-media img{width:100%;max-height:300px;object-fit:contain}.breadcrumb{font-size:14px;color:#87909E;margin-bottom:12px}.breadcrumb a{color:#D60000;font-weight:700}.check-list{display:grid;gap:12px;padding:0;margin:18px 0 0}.check-list li{list-style:none;position:relative;padding-left:28px;color:#5B6472}.check-list li:before{content:"";position:absolute;left:0;top:.55em;width:14px;height:14px;border-radius:50%;background:#D60000;box-shadow:inset 0 0 0 4px #fff;border:1px solid rgba(214,0,0,.25)}.notice-box{border:1px solid rgba(214,0,0,.16);background:rgba(214,0,0,.04);border-radius:20px;padding:18px}.site-footer{background:#11151C;color:#E7ECF3;margin-top:48px;padding:44px 0 18px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:34px}.footer-logo img{max-height:48px;width:auto;margin-bottom:14px}.footer-links{display:grid;gap:8px;align-content:start}.footer-links h3{color:#fff;margin-bottom:6px}.footer-links a,.footer-brand p,.site-footer p{color:#E7ECF3}.footer-note{color:#C5CDD8}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:24px;padding-top:16px}.mobile-menu-btn{display:none;width:42px;height:42px;border:0;border-radius:999px;background:#F4F5F7;padding:10px}.mobile-menu-btn span{display:block;height:2px;background:#1D222B;border-radius:99px;margin:5px 0}.drawer-mask{position:fixed;inset:0;background:rgba(17,21,28,.42);z-index:180;opacity:0;pointer-events:none;transition:opacity .22s}.drawer-mask.show{opacity:1;pointer-events:auto}.mobile-drawer{position:fixed;inset:0 auto 0 0;width:84vw;max-width:320px;background:#fff;z-index:190;transform:translateX(-104%);transition:transform .25s;box-shadow:20px 0 40px rgba(24,32,46,.16);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(20,28,40,.08)}.drawer-logo img{max-height:42px;width:auto}.drawer-close{width:36px;height:36px;border:0;background:#F4F5F7;border-radius:999px;position:relative}.drawer-close:before,.drawer-close:after{content:"";position:absolute;width:16px;height:2px;background:#1D222B;left:10px;top:17px}.drawer-close:before{transform:rotate(45deg)}.drawer-close:after{transform:rotate(-45deg)}.drawer-nav{display:grid;gap:4px;padding:14px}.drawer-nav a{padding:13px 14px;border-radius:14px;font-weight:700;color:#1D222B}.drawer-nav a.active,.drawer-nav a:hover{color:#D60000;background:rgba(214,0,0,.08)}.mobile-bottom-nav{display:none}@media(max-width:980px){.container{width:min(100% - 24px,1180px)}.nav-core,.floating-service{display:none}.mobile-menu-btn{display:inline-block;flex:0 0 auto}.header-inner{min-height:64px;gap:12px}.logo{justify-content:center;flex:1 1 auto}.logo img{max-height:44px}.register-btn{min-height:38px;padding:0 16px;font-size:14px}.intro-grid,.topic-split,.topic-split.reverse,.hero-grid,.footer-grid{grid-template-columns:1fr}.news-strip,.dashboard,.horizontal-cards,.product-grid,.review-grid,.faq-grid,.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.banner-slider{margin-top:16px;height:clamp(150px,48vw,210px);border-radius:18px}.slider-arrow{width:34px;height:34px}.topic-img,.hero-media{min-height:190px}.topic-img img,.hero-media img{max-height:240px}}@media(max-width:640px){body{padding-bottom:68px}.channel-scroll{padding:7px 0}.channel-bar a{padding:8px 12px;font-size:13px}.panel,.soft-panel{border-radius:18px;padding:20px}.news-strip,.dashboard,.horizontal-cards,.product-grid,.review-grid,.faq-grid,.feature-grid,.service-list{grid-template-columns:1fr}.product-card img,.zone-card img,.info-card img{height:126px}.topic-img img,.content-img{max-height:210px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:120;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid rgba(20,28,40,.08);box-shadow:0 -10px 30px rgba(24,32,46,.08)}.mobile-bottom-nav a{display:grid;place-items:center;min-height:58px;color:#5B6472;font-size:13px;font-weight:700}.mobile-bottom-nav a i{width:5px;height:5px;border-radius:999px;background:#DDE2EA;margin-bottom:4px}.mobile-bottom-nav a.active{color:#D60000}.mobile-bottom-nav a.active i{background:#D60000}}