:root{color-scheme:light;--ink:#151719;--muted:#6b7178;--line:#e7e9ec;--soft:#f7f7f6;--panel:#ffffff;--teal:#075f53;--orange:#ff4f16;--shadow:0 18px 44px rgba(20,24,28,.08);--soft-shadow:0 10px 24px rgba(20,24,28,.06)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:22px 5vw;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);backdrop-filter:blur(10px)}
.brand{display:flex;align-items:center;gap:13px;min-width:245px;color:var(--ink)}
.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:9px;background:#f1f3f3;color:#111;font-size:12px;font-weight:900;letter-spacing:0}
.brand-copy{display:grid;gap:2px}.brand-copy strong{font-size:22px;line-height:1;font-weight:900}.brand-copy em{font-style:normal;color:#777;font-size:14px}
nav{display:flex;align-items:center;justify-content:flex-end;gap:44px;flex-wrap:wrap;font-size:16px}
nav a{color:#1d2227}nav a:hover,.nav-hot{color:var(--orange);font-weight:800}
.home-hero{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(440px,.88fr);gap:40px;align-items:center;max-width:1440px;margin:0 auto;padding:32px 5vw 24px;background:linear-gradient(90deg,#fff 0%,#fff 58%,#fafafa 100%)}
.hero-copy{max-width:650px}
.hero-copy h1{margin:0;font-size:44px;line-height:1.18;letter-spacing:0;color:#07080a;font-weight:950}.hero-copy h1 span{display:block;white-space:nowrap}.hero-title-mobile{display:none!important}
.hero-subtitle{max-width:620px;margin:20px 0 22px;font-size:20px;line-height:1.72;color:#4f5963}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.button,.small-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #d9dde1;border-radius:7px;background:#fff;color:#16191c;font-weight:850;transition:.18s ease}
.button{min-height:56px;padding:13px 25px;font-size:16px}.button.warm{border-color:var(--orange);background:var(--orange);color:white}.button.primary{border-color:var(--teal);background:var(--teal);color:white}.button.light{background:#fff}.button:hover,.small-button:hover{transform:translateY(-1px);box-shadow:var(--soft-shadow)}
.small-button{min-height:34px;padding:7px 12px;font-size:14px}.small-button.primary{background:var(--teal);border-color:var(--teal);color:white}.small-button.warm{background:var(--orange);border-color:var(--orange);color:white}.small-button.ghost{background:#f8f8f7}.btn-tmall{min-height:34px;width:auto;padding:8px 14px;border-color:var(--orange)!important;border-radius:7px;background:var(--orange)!important;color:#fff!important;font-size:14px;font-weight:850;line-height:1.2;box-shadow:none}.btn-tmall:hover{background:#e64010!important;border-color:#e64010!important;color:#fff!important}
.hero-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:640px}
.hero-facts span{position:relative;padding-left:18px;color:#222;font-size:14px}.hero-facts span:before{content:"";position:absolute;left:0;top:5px;width:9px;height:9px;border:2px solid #151719;border-radius:50%}.hero-facts b{color:#16191c}.hero-facts span:first-child b{color:var(--orange)}
.hero-panel{min-width:0;align-self:center}.hero-product-poster{display:block;width:100%;height:auto;object-fit:contain;object-position:center;border-radius:13px;box-shadow:0 22px 58px rgba(20,24,28,.13);border:1px solid #e4e5e6;background:#f5f3ef}
.shipping-workflow{display:grid;grid-template-columns:190px minmax(0,1fr);align-items:center;gap:28px;max-width:1380px;margin:0 auto 30px;padding:26px 36px;border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:var(--soft-shadow)}
.workflow-title{padding-right:30px;border-right:1px solid var(--line)}.workflow-title h2{margin:0 0 7px;font-size:25px}.workflow-title p{margin:0;color:#6c7379}
.shipping-workflow ol{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px;list-style:none;margin:0;padding:0}
.shipping-workflow li{position:relative;display:grid;grid-template-columns:auto 1fr;column-gap:9px;align-items:start;min-height:62px}.shipping-workflow li+li:before{content:"→";position:absolute;left:-18px;top:14px;color:#9aa0a6}
.shipping-workflow i{font-style:normal;font-size:20px;font-weight:900;color:#1d2227;line-height:1}.shipping-workflow strong{display:block;font-size:15px;line-height:1.25}.shipping-workflow span{grid-column:2;color:#6f767d;font-size:12px}
.section,.content-article,.simple-page{max-width:1380px;margin:0 auto;padding:46px 5vw}.muted{max-width:none;background:#f8f8f7}.section-heading{max-width:760px;margin-bottom:28px}.section-heading h2,.product-head h2,.advantages-compact h2{margin:0;color:#151719;font-size:28px;line-height:1.28}.eyebrow{margin:0 0 8px;color:var(--teal);font-size:14px;font-weight:900}
.product-center{padding-top:28px}.product-head{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-bottom:24px}.product-tabs{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:#3d4247}.product-filter{appearance:none;border:0;background:transparent;padding:8px 12px;border-radius:999px;color:#293039;font:inherit;font-weight:650;cursor:pointer;white-space:nowrap}.product-filter:hover{color:var(--teal);background:#f2f6f5}.product-filter.is-active{padding:8px 18px;background:var(--teal);color:#fff;font-weight:850}
.featured-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}.featured-card{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 8px 18px rgba(20,24,28,.04)}.featured-card.is-hidden{display:none}.featured-card img{display:block;width:100%;aspect-ratio:1.18/1;object-fit:cover;object-position:center;background:#f4f4f3}.featured-card div{padding:20px}.featured-card h3{margin:0 0 8px;font-size:18px}.featured-card p{margin:0 0 10px;color:#5f666d;font-size:14px}.featured-card .product-scenes{color:#7a828a;font-size:13px}
.text-link{display:inline-flex;margin-top:6px;color:var(--teal);font-weight:850}.text-link:after{content:"→";margin-left:6px}
.advantages-compact{padding-top:28px}.advantages-compact h2{margin-bottom:18px}.advantage-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.advantage-card{min-height:160px;padding:25px 20px;text-align:center;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:none}.advantage-icon{display:grid;place-items:center;width:48px;height:48px;margin:0 auto 14px;color:#075f53}.advantage-icon svg{width:48px;height:48px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}.advantage-card h3{margin:0 0 8px}.advantage-card p{margin:0;color:#667078;font-size:14px}
.two-channel{display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:28px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fbfbfa}.two-channel h2{margin:0 0 14px;font-size:29px}.two-channel p{color:#596168}.channel-actions{padding:26px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--soft-shadow)}.channel-actions .button{width:100%;margin-bottom:12px}
.wechat-block{display:grid;grid-template-columns:200px minmax(0,1fr);gap:18px;align-items:center;margin-top:10px;padding:18px;border-radius:8px;background:#f8f8f7;border:1px solid var(--line)}.wechat-block strong,.wechat-block span{display:block}.wechat-block span{color:#6b7178;font-size:14px}.wechat-qr{display:block;width:200px;max-width:100%;height:auto;border-radius:6px;border:1px solid var(--line);background:#fff}.wechat-qr.small{width:160px}
.qr-card{display:grid;gap:12px;justify-items:start;padding:20px;border-radius:8px;background:#fff;border:1px solid var(--line);box-shadow:var(--soft-shadow);color:#151719}.qr-card.compact{box-shadow:none}.qr-card span{color:#6b7178;font-size:14px}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.article-card,.cta-card,.product-card,.scene-card{border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:none}.article-card{padding:22px}.card-kicker{margin:0 0 10px!important;color:var(--orange)!important;font-size:13px;font-weight:850}
.faq details{border:1px solid var(--line);border-radius:8px;background:white;margin:10px 0;padding:0 18px}.faq summary{padding:16px 0;font-weight:820;cursor:pointer;color:#151719}.faq details p{margin:0 0 16px;color:#6b7178}
.lead{font-size:18px;color:#334155}.article-content p{margin:18px 0}.image-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}figure{margin:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}figure img{width:100%;height:auto;display:block}.image-placeholder{padding:28px;background:#f6f7f6;color:var(--teal);text-align:center}figcaption{padding:10px 12px;color:#6b7178;font-size:14px}
.article-conversion{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px;align-items:center;margin:32px 0;padding:26px;border:1px solid var(--line);border-radius:8px;background:#fbfbfa}.article-conversion h2{margin:0 0 10px}.article-conversion p{margin:8px 0;color:#596168}.inline-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.contact-panel{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start;margin-top:22px}.internal-links li{margin:10px 0}.internal-links span{display:block;color:#6b7178;font-size:14px}
.back-link{margin-bottom:18px}.category-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,42%);gap:34px;align-items:center;margin-bottom:34px}.category-hero>img{display:block;width:100%;height:320px;max-height:38vh;object-fit:cover;object-position:center;border:1px solid var(--line);border-radius:10px;background:#f4f4f3;box-shadow:var(--soft-shadow)}.category-meta{color:#596168}.category-product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category-product-grid .featured-card img{height:220px;aspect-ratio:auto;object-fit:cover;object-position:center}.product-detail-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,46%);gap:34px;align-items:center;margin-bottom:34px}.product-detail-copy h1{margin:0 0 14px;font-size:40px;line-height:1.18}.product-detail-copy p{color:#596168}.product-main-figure img,.product-detail-image img{display:block;width:100%;height:360px;max-height:42vh;object-fit:cover;object-position:center;border:1px solid var(--line);border-radius:10px;background:#f4f4f3;box-shadow:var(--soft-shadow)}.product-gallery{margin:20px 0;padding:22px;border:1px solid var(--line);border-radius:8px;background:#fff}.product-gallery h2{margin:0 0 14px;font-size:21px}.product-gallery figure img{height:220px;object-fit:cover;object-position:center}.product-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0}.product-detail-grid section,.related-products,.product-faq{padding:22px;border:1px solid var(--line);border-radius:8px;background:#fff}.product-detail-grid h2,.related-products h2,.product-faq h2{margin:0 0 10px;font-size:21px}.related-products ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;list-style:none;margin:0;padding:0}.related-products li{padding:16px;border:1px solid var(--line);border-radius:8px;background:#fbfbfa}.related-products span{display:block;margin-top:6px;color:#6b7178;font-size:14px}
.workstation-showcase{margin-top:34px}.workstation-showcase-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.workstation-showcase-card a:first-child{display:block;background:#f4f4f3}.workstation-showcase-card h3{font-size:17px}.workstation-showcase-card .small-button{margin-top:6px;width:auto;text-align:center}
.site-footer{padding:40px 5vw 30px;background:#151719;color:#e9ecef}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;max-width:1380px;margin:0 auto}.site-footer h2{margin:0 0 10px;font-size:17px}.site-footer p{margin:0;color:#c4cbd1}.site-footer a{color:#ffb08f}.disclaimer{max-width:1380px;margin:24px auto 0!important;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:14px}
.mobile-action-bar{display:none}
@media(max-width:1180px){.home-hero{grid-template-columns:1fr;align-items:start}.hero-copy{max-width:760px}.hero-copy h1{font-size:42px}.hero-panel{max-width:760px}.shipping-workflow{grid-template-columns:1fr}.workflow-title{border-right:0;border-bottom:1px solid var(--line);padding:0 0 18px}.featured-grid,.advantage-grid,.workstation-showcase-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:820px){nav{width:100%;max-width:100%;gap:16px;overflow-x:auto;padding-bottom:4px}.site-header{align-items:flex-start;flex-direction:column}.home-hero{padding:30px 5vw 22px}.hero-product-poster{height:auto;object-fit:contain}.hero-copy h1{font-size:30px;line-height:1.24;max-width:100%;overflow-wrap:anywhere}.hero-copy h1 span{white-space:normal;word-break:break-all;overflow-wrap:anywhere}.hero-title-desktop{display:none!important}.hero-title-mobile{display:block!important}.hero-subtitle{font-size:18px;margin:18px 0 20px;overflow-wrap:anywhere}.hero-actions{margin-bottom:20px}.hero-facts,.shipping-workflow ol,.featured-grid,.advantage-grid,.workstation-showcase-grid,.article-grid,.footer-grid,.two-channel,.article-conversion,.contact-panel,.category-hero,.product-detail-hero,.product-detail-grid,.related-products ul{grid-template-columns:1fr}.category-hero>img,.category-product-grid .featured-card img,.product-main-figure img,.product-detail-image img,.product-gallery figure img{height:220px;max-height:none}.product-detail-copy h1{font-size:30px}.wechat-block{grid-template-columns:1fr;justify-items:center;text-align:center}.wechat-qr{width:220px}.wechat-qr.small{width:180px}.shipping-workflow li+li:before{display:none}.product-head{align-items:flex-start;flex-direction:column}.product-tabs{width:100%;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;gap:10px}.button{width:100%}body{padding-bottom:62px}.mobile-action-bar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(3,1fr);background:#151719}.mobile-action-bar a{display:grid;place-items:center;min-height:54px;color:white;font-weight:850;font-size:14px}.mobile-action-bar a.warm{background:var(--orange)}}
.featured-card img,.category-hero>img,.category-product-grid .featured-card img,.product-main-figure img,.product-detail-image img,.product-gallery figure img,.hero-product-poster{object-fit:contain;object-position:center;background:#f7f8f8}.product-gallery figure,.product-main-figure{background:#f7f8f8}.product-main-figure{min-height:520px}.product-main-figure img,.product-detail-image img{height:520px;max-height:72vh}.category-hero>img{height:360px;max-height:58vh}.category-product-grid .featured-card img{height:260px}.product-gallery figure img{height:260px}@media(max-width:820px){.product-main-figure{min-height:360px}.product-main-figure img,.product-detail-image img{height:360px;max-height:62vh}}