.footer{background:var(--color-dark);color:#fff;padding:48px 0 0}.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;grid-gap:32px;gap:32px;max-width:var(--max-width);margin:0 auto;padding:0 20px 32px}.footer-brand h3{font-family:futura-medium-bt,sans-serif;font-size:24px;font-weight:700;margin-bottom:10px}.footer-brand p{font-size:16px;color:#aeb4bc;line-height:1.7;max-width:280px}.footer-contact{margin-top:16px;font-size:16px;color:#aeb4bc}.footer-contact div{margin-bottom:8px;display:flex;align-items:center;gap:8px}.footer-contact svg{width:15px;height:15px;flex-shrink:0;color:var(--color-accent)}.footer-col h4{font-size:18px;font-weight:600;margin-bottom:16px;color:#fff}.footer-col ul li{margin-bottom:8px}.footer-col ul li a{font-size:16px;color:#aeb4bc;transition:color .2s}.footer-col ul li a:hover{color:var(--color-accent)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;text-align:center;font-size:14px;color:#8c939d}@media (max-width:900px){.footer{padding-top:32px}.footer-inner{grid-template-columns:1fr 1fr;gap:24px;padding:0 16px 24px}.footer-brand h3{font-size:20px}.footer-brand p,.footer-contact{font-size:14px}.footer-contact{margin-top:12px}.footer-contact div{margin-bottom:6px}.footer-col h4{font-size:16px;margin-bottom:12px}.footer-col ul li{margin-bottom:6px}.footer-col ul li a{font-size:14px}}@media (max-width:560px){.footer{padding-top:24px}.footer-inner{grid-template-columns:1fr;gap:20px;padding:0 12px 20px}.footer-brand h3{font-size:18px}.footer-contact div{flex-wrap:wrap}}*{margin:0;padding:0;box-sizing:border-box}@font-face{font-family:Futura-Medium;src:url(/fonts/Futura-Medium.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Futura-Book-font;src:url(/fonts/Futura-Book-font.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:wujin20-Regular;src:url(/fonts/Montserrat-Light.otf) format("opentype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:futura-medium-bt;src:url(/fonts/Futura-Medium.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Futura LT;src:url(/fonts/Futura-Medium.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Futura LT-400;src:url(/fonts/Futura-Medium.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}:root{--color-primary:#252627;--color-primary-light:#606266;--color-text:#252627;--color-text-light:#72767c;--color-text-muted:#999999;--color-accent:#05c6cf;--color-accent-hover:#04a5ad;--color-bg:#ffffff;--color-bg-gray:#f1f3f5;--color-dark:#161f28;--color-dark-2:#202020;--color-border:#e8e8e8;--max-width:1200px;--header-height:80px}body{font-family:futura-medium-bt,Futura-Medium,Futura-Book-font,Helvetica Neue,Arial,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6}a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%;height:auto}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.section-title{text-align:center;font-size:35px;font-weight:700;color:var(--color-primary);margin-bottom:40px}.header-spacer{height:var(--header-height)}.product-menu{position:fixed;top:var(--header-height);left:0;right:0;background:var(--color-bg);border-top:1px solid var(--color-border);box-shadow:0 4px 12px rgba(0,0,0,.08);opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .3s ease,transform .3s ease,visibility .3s;z-index:999;max-height:calc(100vh - var(--header-height));overflow-y:auto}.header-nav-item:hover .product-menu,.product-menu:hover{opacity:1;visibility:visible;transform:translateY(0)}.product-menu-inner{max-width:var(--max-width);margin:0 auto;padding:24px 20px;display:flex;flex-direction:row;justify-content:center;gap:48px}.product-menu-link{font-size:14px;font-weight:600;color:var(--color-text);white-space:nowrap;transition:color .2s}.product-menu-link:hover{color:var(--color-primary)}.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:var(--color-bg);border-bottom:1px solid var(--color-border);z-index:1000}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}.header-logo{font-family:futura-medium-bt,sans-serif;font-size:25px;font-weight:700;color:var(--color-primary);letter-spacing:-.5px}.header-nav{display:flex;gap:36px;align-items:center}.header-nav a,.header-nav-item{position:relative}.header-nav a{font-size:18px;font-weight:500;color:var(--color-dark-2);transition:color .2s;display:inline-flex;align-items:center;gap:4px}.nav-arrow{width:14px;height:14px;transition:transform .2s}.header-nav-item:hover .nav-arrow{transform:rotate(180deg)}.header-nav a.active,.header-nav a:hover{color:var(--color-accent)}.header-nav a:after{content:"";position:absolute;bottom:-6px;left:0;width:0;height:2px;background:var(--color-accent);transition:width .2s}.header-nav a.active:after,.header-nav a:hover:after{width:100%}.header-actions{gap:16px}.header-actions,.search-box{display:flex;align-items:center}.search-box{background:var(--color-bg-gray);border-radius:20px;padding:7px 16px;gap:8px}.search-box input{border:none;background:transparent;outline:none;font-size:14px;width:170px;color:var(--color-text);font-family:inherit}.search-box input::placeholder{color:var(--color-text-muted)}.search-box svg{width:18px;height:18px;color:var(--color-text-light)}.header-hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:30px;height:30px;background:none;border:none;cursor:pointer;padding:0}.header-hamburger span{display:block;width:24px;height:2px;background:var(--color-dark-2);transition:transform .3s,opacity .3s}.header-hamburger.open span:first-child{transform:translateY(7px) rotate(45deg)}.header-hamburger.open span:nth-child(2){opacity:0}.header-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.header-drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1001;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}.header-drawer-backdrop.open{opacity:1;visibility:visible}.header-drawer{position:fixed;top:0;right:0;width:250px;height:100vh;background:var(--color-bg);z-index:1002;transform:translateX(100%);transition:transform .3s;overflow-y:auto;padding:80px 20px 20px;box-shadow:-2px 0 12px rgba(0,0,0,.1)}.header-drawer.open{transform:translateX(0)}.header-drawer a{display:block;border-bottom:1px solid var(--color-border)}.drawer-accordion-header,.header-drawer a{padding:14px 0;font-size:18px;font-weight:500;color:var(--color-dark-2)}.drawer-accordion-header{display:flex;justify-content:space-between;align-items:center;width:100%;background:none;border:none;border-bottom:1px solid var(--color-border);cursor:pointer}.drawer-accordion-header .nav-arrow{transition:transform .2s}.drawer-accordion-header.open .nav-arrow{transform:rotate(180deg)}.drawer-accordion-body{max-height:0;overflow:hidden;transition:max-height .3s}.drawer-accordion-body.open{max-height:400px}.drawer-accordion-body a{padding:10px 0 10px 16px;font-size:16px;border-bottom:none}@media (max-width:900px){.header-nav{display:none}.header-inner{padding:0 12px}.header-logo{font-size:22px}.header-actions{gap:8px}.search-box{padding:6px 12px}.search-box input{width:auto;flex:1 1;max-width:120px;min-width:60px}.header-hamburger{display:flex}}.social-sidebar{position:fixed;right:12px;top:50%;transform:translateY(-50%);z-index:999;gap:10px}.social-sidebar,.ss-item{display:flex;flex-direction:column}.ss-item{align-items:center;justify-content:flex-start;gap:4px;cursor:pointer;position:relative;width:44px}.ss-item svg{width:32px;height:32px;padding:6px;border-radius:50%;background:var(--color-accent);color:#fff;flex-shrink:0;box-shadow:0 2px 6px rgba(5,198,207,.3);transition:background .2s,transform .2s}.ss-item:hover svg{background:var(--color-accent-hover);transform:translateY(-2px)}.ss-label{font-size:11px;color:var(--color-text-light);line-height:1}.ss-popup{position:absolute;right:70px;top:0;background:#fff;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.14);padding:12px;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s;white-space:nowrap}.ss-has-popup.ss-active .ss-popup,.ss-has-popup:hover .ss-popup{opacity:1;visibility:visible}.ss-popup-email{font-size:14px;color:var(--color-primary)}.ss-popup-wechat{display:flex;flex-direction:column;align-items:center;gap:8px}.ss-qr-image{width:150px;height:150px;object-fit:contain;background:#fff;border-radius:4px}.ss-popup-caption{font-size:14px;color:var(--color-primary)}@media (max-width:768px){.social-sidebar{gap:6px;right:8px}.ss-item{width:36px}.ss-item svg{width:28px;height:28px;padding:5px}.ss-label{font-size:9px}.ss-qr-image{width:120px;height:120px}.ss-popup{right:50px;padding:10px}}