/* 独立公司官网采用原生 CSS，采用独立于各产品的中性科技品牌方向，不引入客户端组件或构建依赖。 */
:root{color-scheme:light;--bg:#f8f9fb;--surface:#eef1f5;--ink:#202732;--muted:#596373;--accent:#214ec5;--line:#d9dfe8;--button:#202732;--button-text:#f8f9fb;--photo:#e8ecf2;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
/* 深色配色同时支持系统偏好和用户的显式选择；显式浅色不受系统深色覆盖。 */
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--bg:#1e2024;--surface:#282b30;--ink:#f1f4fa;--muted:#b9c3d2;--accent:#9ebcff;--line:#44474d;--button:#f1f4fa;--button-text:#22242a;--photo:#39332f}}
:root[data-theme="dark"]{color-scheme:dark;--bg:#1e2024;--surface:#282b30;--ink:#f1f4fa;--muted:#b9c3d2;--accent:#9ebcff;--line:#44474d;--button:#f1f4fa;--button-text:#22242a;--photo:#39332f}
*{box-sizing:border-box}html{scroll-padding-top:28px}body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;width:100%;height:100%;object-fit:cover}figure,p,h1,h2,h3{margin:0}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.header{height:80px;display:flex;align-items:center;gap:36px;border-bottom:1px solid var(--line)}.brand{font-size:26px;font-weight:750;letter-spacing:-1px;white-space:nowrap}.brand span{font-size:15px;font-weight:500;letter-spacing:2px;margin-left:9px}.header nav{display:flex;gap:30px;margin-left:auto;font-size:14px}.header nav a:hover{color:var(--accent)}.theme{border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--muted);padding:6px 10px;font-size:12px;cursor:pointer;white-space:nowrap}.hero{display:grid;grid-template-columns:0.9fr 1.1fr;gap:54px;align-items:center;padding-block:76px 88px}.eyebrow{color:var(--accent);font-size:12px;letter-spacing:1.4px;margin-bottom:28px}h1{font-size:clamp(44px,4.3vw,62px);line-height:1.23;font-weight:650;letter-spacing:-2.4px}.intro{font-size:17px;color:var(--muted);line-height:1.9;margin-top:25px}.button{display:inline-flex;gap:35px;align-items:center;margin-top:32px;background:var(--button);color:var(--button-text);padding:13px 22px;border-radius:8px;font-size:14px;white-space:nowrap}.button span{font-size:22px}.hero-visual{aspect-ratio:1.18;background:var(--photo);border-radius:16px;overflow:hidden}.hero-visual img{object-position:50% 50%}.product{padding-block:62px 100px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.1fr 0.9fr;gap:110px}.product-wordmark{font-size:48px;line-height:1.2;letter-spacing:-2px;font-weight:700;color:var(--accent);margin-bottom:28px}.product-wordmark span{font-size:17px;letter-spacing:2px;margin-left:20px;font-weight:500}h2{font-size:clamp(28px,3vw,38px);line-height:1.45;letter-spacing:-1px;font-weight:600}.product-heading>p:last-child{max-width:460px;color:var(--muted);margin-top:20px}.product-notes{padding-top:8px}.product-notes article+article{margin-top:29px;padding-top:27px;border-top:1px solid var(--line)}h3{font-size:19px;font-weight:600;margin-bottom:8px}.product-notes p{color:var(--muted);font-size:15px}.company-section{background:var(--surface)}.company{padding-block:80px;display:grid;grid-template-columns:1fr 1fr;gap:85px}.company-body>p{color:var(--muted)}.company-body>p+p{margin-top:16px}dl{margin:28px 0 0;font-size:14px}dl div{display:grid;grid-template-columns:88px 1fr;gap:12px;margin-top:10px}dt{color:var(--muted)}dd{margin:0}.contact{padding-block:80px}.contact>p{color:var(--muted);margin-top:12px}.email{display:inline-flex;align-items:center;gap:30px;font-size:clamp(22px,3vw,36px);font-weight:500;letter-spacing:-1px;margin-top:26px;line-height:1.5;color:var(--accent);border-bottom:1px solid var(--accent);overflow-wrap:anywhere}.contact .address{font-size:13px;margin-top:35px;max-width:650px}.address span{margin-right:20px}.footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding-block:25px;font-size:12px;color:var(--muted)}.skip{position:absolute;left:20px;top:-100px;background:var(--button);color:var(--button-text);padding:10px 18px;z-index:1}.skip:focus{top:10px}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.button:active,.theme:active{transform:translateY(1px)}
/* 移动端依内容顺序单列显示，不依赖横向溢出或隐藏导航来缩放桌面布局。 */
@media(max-width:767px){.wrap{width:calc(100% - 40px)}.header{height:auto;min-height:76px;gap:12px;flex-wrap:wrap;padding-block:15px}.brand{font-size:23px}.brand span{font-size:12px}.header nav{order:3;width:100%;margin:4px 0 0;justify-content:space-between;font-size:13px;gap:12px}.theme{margin-left:auto}.hero{grid-template-columns:1fr;gap:35px;padding-block:38px 46px}.eyebrow{margin-bottom:20px;font-size:10px}h1{font-size:45px;letter-spacing:-1.8px}.intro{font-size:15px;margin-top:20px}.button{margin-top:24px}.hero-visual{aspect-ratio:1.4}.product{grid-template-columns:1fr;gap:35px;padding-block:42px 55px}.product-wordmark{font-size:42px;margin-bottom:24px}.product-notes{padding-top:0}.company{grid-template-columns:1fr;gap:28px;padding-block:48px}.contact{padding-block:48px}.footer{gap:15px;flex-wrap:wrap}.address span{display:block;margin-bottom:5px}}
@media(prefers-reduced-motion:no-preference){a,button{transition:color .18s,background-color .18s,transform .18s}.button:hover{transform:translateY(-2px)}}

/* 产品采用可扩展的纵向目录，统一公司品牌并保留各产品名称。 */
.products{border-top:1px solid var(--line);padding-block:64px 88px}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;margin-bottom:48px}.section-heading .eyebrow{margin-bottom:20px}.section-heading>p{color:var(--muted);font-size:15px}.product-row{display:grid;grid-template-columns:55px 1fr 1.1fr;gap:30px;padding-block:34px;border-top:1px solid var(--line);align-items:center}.product-number{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.product-row h3{font-size:28px;margin-bottom:6px;letter-spacing:-.5px}.product-row h3 span{font-size:17px;font-weight:500;margin-left:12px}.product-category{font-size:12px;color:var(--muted);letter-spacing:.8px}.product-description{font-size:15px;color:var(--muted);max-width:450px}.product-outlook{border-top:1px solid var(--line);padding-top:28px;font-size:14px;color:var(--muted)}
@media(max-width:767px){.products{padding-block:42px 48px}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:20px}.product-row{grid-template-columns:28px 1fr;gap:12px;padding-block:28px}.product-description{grid-column:2}.product-row h3{font-size:25px}.email{font-size:clamp(18px,5.1vw,28px);gap:12px;letter-spacing:-.5px}.hero h1{font-size:44px}}