.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:sans-serif;font-size:26px;font-weight:700;margin-bottom:10px}.footer-logo{height:34px;width:auto;margin-bottom:14px}.footer-brand p{font-size:18px;color:#aeb4bc;line-height:1.7;max-width:500px}.footer-contact{margin-top:16px;font-size:18px;color:#aeb4bc}.footer-contact div{margin-bottom:8px;display:flex;align-items:center;gap:8px}.footer-contact svg{width:18px;height:18px;flex-shrink:0;color:var(--color-accent);margin-top:-4px}.fc-email{align-items:flex-start}.fc-email svg{margin-top:4px}.fc-address{align-items:flex-start}.fc-address svg{margin-top:2px;flex-shrink:0}.fc-address-text{flex:1 1;min-width:0}.footer-col h3{font-size:20px;font-weight:600;margin-bottom:16px;color:#fff}.footer-col ul li{margin-bottom:8px}.footer-col ul li a{font-size:18px;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:18px;color:#8c939d}.footer-bottom .container{display:flex;flex-direction:column;align-items:center;gap:10px}.footer-copyright{margin:0}.footer-locales{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 10px;font-size:16px}.footer-locale-sep{color:rgba(255,255,255,.25)}.footer-locales a{color:inherit;text-decoration:none}.footer-locales a:hover,.footer-locales a[aria-current=true]{color:#fff}@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:22px}.footer-brand p,.footer-contact{font-size:16px}.footer-contact{margin-top:12px}.footer-contact div{margin-bottom:6px}.footer-col h3{font-size:18px;margin-bottom:12px}.footer-col ul li{margin-bottom:6px}.footer-bottom,.footer-col ul li a{font-size:16px}}@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:20px}.footer-contact div{flex-wrap:wrap}.fc-address-break{display:none}.footer-bottom{font-size:16px}.footer-locale-sep{display:none}}*{margin:0;padding:0;box-sizing:border-box}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@font-face{font-family:Futura-Medium;src:url(/fonts/Futura-Medium.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Futura-Book-font;src:url(/fonts/Futura-Book-font.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:wujin20-Regular;src:url(/fonts/Montserrat-Light.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:futura-medium-bt;src:url(/fonts/Futura-Medium.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Futura LT;src:url(/fonts/Futura-Medium.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Futura LT-400;src:url(/fonts/Futura-Medium.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}:root{--color-primary:#252627;--color-text:#252627;--color-text-light:#72767c;--color-text-muted:#999999;--color-accent:#2563eb;--color-accent-hover:#1d4ed8;--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:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6;overflow-x:hidden;font-size:18px}:root{--font-cjk:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","WenQuanYi Micro Hei",sans-serif}:lang(zh) a,:lang(zh) blockquote,:lang(zh) body,:lang(zh) button,:lang(zh) dd,:lang(zh) dt,:lang(zh) em,:lang(zh) figcaption,:lang(zh) h1,:lang(zh) h2,:lang(zh) h3,:lang(zh) h4,:lang(zh) h5,:lang(zh) h6,:lang(zh) input,:lang(zh) label,:lang(zh) li,:lang(zh) p,:lang(zh) select,:lang(zh) small,:lang(zh) span,:lang(zh) strong,:lang(zh) td,:lang(zh) textarea,:lang(zh) th{font-family:var(--font-cjk)}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)}.home-form-section .send-message{background:transparent}.breadcrumb-row{max-width:var(--max-width);margin:0 auto}.breadcrumb{display:inline-flex;align-items:center;gap:8px;font-size:18px;margin-bottom:24px;padding:12px 16px;background:#fff;border:1px solid var(--color-border);border-radius:4px}.breadcrumb,.breadcrumb a{color:var(--color-text-light)}.breadcrumb a{transition:color .2s}.breadcrumb a:hover{color:var(--color-primary)}.breadcrumb-separator{color:var(--color-text-light);font-size:18px}.breadcrumb-current{color:var(--color-text);font-weight:500}.cases-cta{margin-top:48px;padding:36px 40px;background:linear-gradient(120deg,#0a2e5c,#2563eb);border-radius:8px;display:flex;align-items:center;justify-content:space-between;gap:24px}.cases-cta-title{font-size:26px;font-weight:700;color:#fff;margin:0 0 8px}.cases-cta-text{font-size:17px;line-height:1.6;color:rgba(255,255,255,.82);margin:0}.cases-cta-btn{flex:none;display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;background:#fff;color:var(--color-primary);font-size:16px;font-weight:700;border-radius:4px;transition:background .2s,color .2s}.cases-cta-btn:hover{background:#f5a623;color:#1b2733}@media (max-width:900px){.cases-cta{flex-direction:column;align-items:flex-start;padding:28px}}@media (max-width:768px){.breadcrumb{font-size:16px}.breadcrumb-separator{font-size:14px}}.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:22px 20px 26px;display:grid;grid-template-columns:330px minmax(0,1fr);grid-gap:40px;gap:40px}.product-menu-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.product-menu-item{border-bottom:1px solid var(--color-border,#eef1f5)}.product-menu-item:first-child{border-top:1px solid var(--color-border,#eef1f5)}.product-menu-item.active{background:#f4f8ff}.product-menu-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 12px;font-size:17px;font-weight:600;color:var(--color-text);transition:color .2s}.product-menu-item.active .product-menu-link,.product-menu-link:hover{color:var(--color-accent,#2563eb)}.product-menu-arrow{width:16px;height:16px;flex:0 0 16px;opacity:.45;transition:transform .2s,opacity .2s}.product-menu-item.active .product-menu-arrow{opacity:1;transform:rotate(90deg)}.product-menu-panel{min-height:176px;padding:2px 0 0 4px}.product-menu-panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.product-menu-eyebrow{margin:0;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-light,#8b95a5)}.product-menu-viewall{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--color-accent,#2563eb);white-space:nowrap}.product-menu-viewall svg{width:14px;height:14px}.product-menu-viewall:hover{color:var(--color-accent-hover,#1d4ed8)}.product-menu-subs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:6px 28px;gap:6px 28px}.product-menu-sub{display:block;padding:9px 10px;font-size:16px;color:var(--color-text);border-radius:4px;transition:background .2s,color .2s}.product-menu-sub:hover{background:#f4f8ff;color:var(--color-accent,#2563eb)}.product-menu-desc{margin:0;max-width:620px;font-size:15px;line-height:1.65;color:var(--color-text-light,#5b6472)}@media (max-width:1024px){.product-menu-inner{grid-template-columns:280px minmax(0,1fr);gap:24px}.product-menu-link{font-size:16px}}.lang-switcher{position:relative;flex-shrink:0}.lang-trigger{display:flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--color-border,#e8e8e8);border-radius:20px;background:#fff;color:var(--color-text,#4b5563);font-size:16px;line-height:1;cursor:pointer;white-space:nowrap;transition:border-color .2s,color .2s}.lang-trigger:hover,.lang-trigger[aria-expanded=true]{border-color:var(--color-accent,#2563eb);color:var(--color-accent,#2563eb)}.lang-globe{width:18px;height:18px;flex-shrink:0}.lang-caret{width:14px;height:14px;flex-shrink:0;transition:transform .2s}.lang-trigger[aria-expanded=true] .lang-caret{transform:rotate(180deg)}.lang-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:176px;margin:0;padding:6px;list-style:none;background:#fff;border:1px solid var(--color-border,#e8e8e8);border-radius:10px;box-shadow:0 10px 28px rgba(15,23,42,.12);z-index:1001}.lang-option{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border:0;border-radius:7px;background:transparent;color:var(--color-primary,#252627);font-size:16px;text-align:left;text-decoration:none;cursor:pointer}.lang-option:hover{background:#f3f6fc}.lang-option.is-current{color:var(--color-accent,#2563eb);font-weight:600}.lang-option.is-current:after{content:"";margin-left:auto;width:12px;height:7px;border-left:2px solid;border-bottom:2px solid;transform:rotate(-45deg) translateY(-2px)}.lang-flag{width:24px;height:16px;flex-shrink:0;border-radius:2px;box-shadow:0 0 0 1px rgba(15,23,42,.12)}@media (max-width:900px){.lang-trigger{padding:7px;gap:0;border-radius:50%}.lang-caret,.lang-label{display:none}.lang-menu{right:-4px}}.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{display:inline-flex;align-items:center;line-height:0}.header-logo img{height:56px;width:auto}.header-nav{display:flex;gap:36px;align-items:center}.header-nav a,.header-nav-item{position:relative}.header-nav a{font-size:20px;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:18px;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:20px;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:720px}.drawer-accordion-body a{padding:10px 0 10px 16px;font-size:18px;border-bottom:none}.drawer-accordion-body a.drawer-subcat-link{padding-left:34px;font-size:16px;color:var(--color-text-light,#6b7280)}.drawer-accordion-body a.drawer-all-products{font-weight:600;color:var(--color-primary);border-bottom:1px solid var(--color-border);margin-bottom:4px}.nav-dropdown{position:absolute;top:calc(100% + 18px);left:50%;transform:translateX(-50%) translateY(6px);min-width:200px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;box-shadow:0 12px 32px rgba(22,31,40,.12);padding:8px;opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}.header-nav-item:focus-within .nav-dropdown,.header-nav-item:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.header-nav .nav-dropdown a{display:block;padding:10px 14px;font-size:16px;border-radius:6px;white-space:nowrap}.header-nav .nav-dropdown a:hover{background:var(--color-bg-gray);color:var(--color-accent)}.header-nav .nav-dropdown a:after{display:none}@media (max-width:900px){.header-nav{display:none}.header-inner{padding:0 12px}.header-logo img{height:44px}.header-actions{gap:8px}.search-box{padding:6px 12px;min-width:0}.search-box input{width:auto;flex:1 1;max-width:120px;min-width:60px}.header-hamburger{display:flex}}.lang-hint{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);display:flex;align-items:center;gap:14px;max-width:calc(100vw - 32px);padding:12px 14px 12px 18px;background:var(--color-primary,#252627);color:#fff;border-radius:10px;box-shadow:0 12px 32px rgba(15,23,42,.28);font-size:16px;z-index:1100}.lang-hint-text{flex:1 1}.lang-hint-text strong{font-weight:600}.lang-hint-switch{flex-shrink:0;padding:7px 14px;border:0;border-radius:6px;background:var(--color-accent,#2563eb);color:#fff;font-size:16px;font-family:inherit;cursor:pointer}.lang-hint-switch:hover{filter:brightness(1.1)}.lang-hint-close{flex-shrink:0;display:flex;padding:4px;border:0;background:transparent;color:rgba(255,255,255,.7);cursor:pointer}.lang-hint-close:hover{color:#fff}.lang-hint-close svg{width:18px;height:18px}@media (max-width:600px){.lang-hint{left:16px;right:16px;bottom:16px;transform:none;max-width:none;font-size:15px;gap:10px}}.social-sidebar{position:fixed;right:24px;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 .ss-brand-icon,.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(37,99,235,.3);transition:background .2s,transform .2s}.ss-item img.ss-brand-icon,.ss-item svg.ss-brand-icon{width:30px;height:30px;padding:0;background:transparent;border-radius:0;box-shadow:none}.ss-item svg.ss-wechat{color:#07C160}.ss-item svg.ss-whatsapp{color:#25D366}.ss-item:hover .ss-brand-icon,.ss-item:hover svg{background:var(--color-accent-hover);transform:translateY(-2px)}.ss-label{font-size:18px;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}@media (hover:hover) and (pointer:fine){.ss-has-popup:hover .ss-popup{opacity:1;visibility:visible}}.ss-has-popup.ss-active .ss-popup{opacity:1;visibility:visible}.ss-popup-email{font-size:18px;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:18px;color:var(--color-primary)}@media (min-width:769px) and (max-width:1699px){.social-sidebar{display:none}}@media (max-width:768px){.social-sidebar{gap:6px;right:8px;padding:7px 5px;background:rgba(255,255,255,.94);border-radius:20px;box-shadow:0 2px 12px rgba(15,23,42,.14);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.ss-item{width:30px}.ss-item .ss-brand-icon,.ss-item svg{width:28px;height:28px;padding:5px}.ss-item img.ss-brand-icon,.ss-item svg.ss-brand-icon{width:28px;height:28px;padding:0}.ss-label{display:none}.ss-qr-image{width:120px;height:120px}.ss-popup{right:50px;padding:10px}.ss-popup-caption,.ss-popup-email{font-size:16px}}