/* [INPUT]: templates.py 的导航、产品和咨询语义结构。
 * [OUTPUT]: 共享圆角、材质、可访问性与滚动显现规范。
 * [POS]: 主题和目录样式的基础层；按钮 14px，面板 28px，图片 24px。
 * [PROTOCOL]: 变更时更新此头部，然后检查 CLAUDE.md */
:root{--bg:#f7f8fa;--surface:#fff;--ink:#202127;--muted:#676a75;--accent:#6655dc;--accent-ink:#fff;--soft:#eeeafa;--line:#e3e3e9;--radius:28px;--font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color-scheme:light}
*{box-sizing:border-box}html{scroll-padding-top:112px;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}button:disabled{cursor:default}img{display:block;max-width:100%}button svg,a svg{pointer-events:none}.icon{width:20px;height:20px;fill:currentColor;flex:none;vertical-align:middle}h1,h2,h3,p,figure{margin:0}button{border:0}a,button{touch-action:manipulation}[hidden]{display:none!important}::selection{background:var(--soft);color:var(--ink)}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}h1{font-size:clamp(48px,5.3vw,80px);font-weight:750;line-height:1.16;letter-spacing:-.055em}h2{font-size:clamp(30px,3.3vw,46px);line-height:1.3;letter-spacing:-.04em}h3{font-size:27px;line-height:1.3;letter-spacing:-.025em}.eyebrow{font-size:12px;letter-spacing:.13em;font-weight:650;color:var(--accent);margin-bottom:24px}.button{min-height:48px;padding:13px 22px;display:inline-flex;justify-content:center;align-items:center;gap:22px;font-size:14px;font-weight:600;border-radius:14px;border:1px solid transparent;white-space:nowrap;transition:transform .22s ease,box-shadow .22s ease,background .22s ease}.button.primary{background:linear-gradient(180deg,color-mix(in srgb,var(--accent),white 9%),var(--accent));color:var(--accent-ink);border-color:color-mix(in srgb,var(--accent),black 12%);box-shadow:inset 0 1px 0 #ffffff38,0 3px 5px color-mix(in srgb,var(--accent),transparent 85%),0 1px 2px #00000012}.button.secondary{background:linear-gradient(#fff,var(--surface));color:var(--ink);border-color:var(--line);box-shadow:inset 0 1px #fff,0 2px 3px #19243608}.button:hover{transform:translateY(-2px);box-shadow:0 6px 16px #202a3a15}.button:active{transform:translateY(1px) scale(.985)}.icon-button{width:42px;height:42px;border:1px solid var(--line);border-radius:13px;display:grid;place-items:center;background:var(--surface)}.text-link{background:none;display:inline-flex;gap:12px;align-items:center;font-size:14px;font-weight:600;color:var(--accent);padding:8px 0}.demo-bar{padding:8px max(28px,calc((100vw - 1320px)/2));display:flex;justify-content:space-between;align-items:center;gap:15px;background:var(--surface);border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.demo-bar a,.demo-bar button{display:flex;gap:7px;align-items:center;background:none;font-size:12px}.demo-bar .icon{width:16px;height:16px}.company-header{position:sticky;top:0;z-index:20;min-height:80px;max-width:100%;padding:14px max(28px,calc((100vw - 1320px)/2));display:flex;justify-content:space-between;align-items:center;gap:24px;background:color-mix(in srgb,var(--bg),transparent 8%);backdrop-filter:blur(18px);border-bottom:1px solid color-mix(in srgb,var(--line),transparent 45%)}.wordmark{display:flex;align-items:center;gap:12px;white-space:nowrap}.wordmark strong{font-size:22px;letter-spacing:-.045em}.wordmark small{font-size:10px;letter-spacing:.1em;color:var(--muted)}.brand-glyph{width:39px;height:39px;border-radius:12px;background:var(--accent);display:grid;place-items:center;color:var(--accent-ink);font-size:18px;font-weight:750;box-shadow:inset 0 1px 0 #ffffff36,0 2px 4px #11111116}.company-header nav{display:flex;gap:30px;align-items:center;font-size:13px;font-weight:550}.company-header nav a{padding:8px 0;transition:color .2s}.company-header nav a:hover,.company-header nav a.is-current{color:var(--accent)}.menu-button{display:none}.company-hero{max-width:1376px;margin:24px auto 0;padding:36px;overflow:hidden}.hero-copy{position:relative;z-index:2}.hero-desc{font-size:16px;color:var(--muted);line-height:1.9;max-width:450px;margin-top:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.hero-tags{display:flex;gap:10px;flex-wrap:wrap;font-size:12px}.hero-tags span{padding:8px 14px;border-radius:10px;border:1px solid var(--line);background:var(--surface)}.visual{position:relative;overflow:hidden;border-radius:24px;isolation:isolate}.visual img{width:100%;height:100%;object-fit:cover}.visual figcaption{position:absolute;left:15px;bottom:13px;max-width:calc(100% - 30px);border-radius:7px;padding:5px 8px;background:#17201cc7;color:#fff;font-size:10px;line-height:1.45;backdrop-filter:blur(6px)}.section{max-width:1280px;margin:0 auto;padding:100px 28px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:38px}.section-heading>p{font-size:15px;color:var(--muted);line-height:1.8}.section-heading .eyebrow{margin-bottom:12px}.product-layout{display:grid;grid-template-columns:280px 1fr;gap:24px}.product-tabs{display:flex;flex-direction:column;gap:10px}.product-tabs button{display:flex;text-align:left;align-items:center;gap:14px;padding:22px 20px;border-radius:17px;background:transparent;font-size:17px;font-weight:600;border:1px solid transparent;transition:background .25s,transform .25s}.product-tabs button>span{font-size:11px;color:var(--muted);font-weight:500}.product-tabs button>.icon{margin-left:auto;width:18px}.product-tabs button[aria-selected=true]{background:var(--surface);border-color:var(--line);box-shadow:0 4px 20px #25304a08}.product-tabs button[aria-selected=true]>.icon{color:var(--accent)}.product-panel{display:grid;grid-template-columns:42% 58%;border-radius:24px;background:var(--soft);overflow:hidden;min-height:330px}.product-visual{min-height:330px;padding:14px}.product-visual .visual{height:100%;border-radius:17px}.product-copy{padding:40px 32px;align-self:center;animation:panel-in .35s ease both}.product-copy .eyebrow{margin-bottom:14px}.product-copy>p:not(.eyebrow){font-size:15px;color:var(--muted);margin:18px 0 28px}.small-note{font-size:12px;color:var(--muted);margin-top:18px}.about-section{display:grid;grid-template-columns:minmax(0,35fr) minmax(0,65fr);gap:40px;border-top:1px solid var(--line)}.large-initial{font-size:90px;letter-spacing:-.09em;line-height:1.5;font-weight:750;color:color-mix(in srgb,var(--accent),transparent 65%)}.about-content>p{font-size:18px;color:var(--muted);line-height:1.95;margin-top:24px;max-width:720px}.about-facts{display:flex;gap:55px;margin:35px 0}.about-facts div{display:flex;flex-direction:column;gap:7px}.about-facts span{font-size:12px;color:var(--muted)}.about-facts strong{font-size:16px;font-weight:600}.career-strip{max-width:1224px;margin:0 auto 30px;padding:28px 32px;border-radius:22px;background:var(--soft);display:flex;justify-content:space-between;align-items:center;gap:20px}.career-strip>div{display:flex;gap:20px;align-items:center}.career-strip>div>.icon{width:32px;height:32px;color:var(--accent)}.career-strip h2{font-size:21px;letter-spacing:-.03em}.career-strip p{font-size:14px;color:var(--muted);margin-top:4px}.contact-section{display:grid;grid-template-columns:1fr 1fr;gap:90px}.contact-copy>p:not(.eyebrow){font-size:16px;color:var(--muted);line-height:1.9;max-width:390px;margin-top:24px}.contact-mark{display:block;font-size:clamp(28px,4vw,55px);font-weight:800;letter-spacing:-.05em;color:color-mix(in srgb,var(--accent),transparent 70%);margin-top:45px}.contact-form{padding:32px;background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:0 8px 32px #20305005}.contact-form label{display:block;font-size:13px;font-weight:600;margin-bottom:10px}.contact-form textarea,.contact-form select{display:block;width:100%;padding:13px 14px;font-size:15px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:12px;line-height:1.7;margin-bottom:22px}.contact-form textarea{resize:vertical;min-height:125px}.form-actions{display:flex;gap:10px;flex-wrap:wrap}.form-status{font-size:12px;color:var(--muted);margin-top:16px}.draft-output{display:block;white-space:pre-wrap;word-break:break-word;padding:16px;background:var(--soft);font-size:14px;border-radius:12px;margin-top:20px}.company-footer{max-width:1320px;margin:0 auto;padding:30px 28px 45px;border-top:1px solid var(--line);display:flex;gap:24px;justify-content:space-between;align-items:center}.company-footer>span{font-size:12px;color:var(--muted)}dialog{width:min(600px,calc(100vw - 32px));max-height:80dvh;overflow:auto;border:1px solid var(--line);border-radius:26px;padding:30px;background:var(--surface);color:var(--ink);box-shadow:0 24px 100px #0003}dialog::backdrop{background:#15182d60;backdrop-filter:blur(8px)}.dialog-head{display:flex;gap:25px;align-items:center;justify-content:space-between;margin-bottom:22px}.dialog-head h2{font-size:25px}dialog p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:15px}.source-links{display:flex;flex-direction:column;gap:12px;padding:20px 0}.source-links a{font-size:14px;color:var(--accent);overflow-wrap:anywhere}.source-links .license{font-size:12px;color:var(--muted);margin-bottom:15px}.scroll-progress{position:fixed;top:0;left:0;width:100%;height:3px;background:var(--accent);z-index:100;transform-origin:left;transform:scaleX(0)}.reveal{transition:opacity .75s ease,transform .75s cubic-bezier(.16,1,.3,1)}.js-motion .reveal:not(.in-view){opacity:0;transform:translateY(30px)}@keyframes panel-in{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}@keyframes page-in{from{opacity:.7;transform:translateY(9px)}to{opacity:1;transform:none}}@view-transition{navigation:auto}::view-transition-old(root){animation:120ms ease-out both fade-out}::view-transition-new(root){animation:220ms ease-out both page-in}@keyframes fade-out{to{opacity:0}}@supports(animation-timeline:scroll()){.scroll-progress{animation:progress linear both;animation-timeline:scroll()}@keyframes progress{to{transform:scaleX(1)}}}
@media(max-width:900px){.wordmark small{display:none}.company-header nav{gap:18px}.company-hero{margin-inline:16px;padding:26px}.product-layout{grid-template-columns:1fr}.product-tabs{flex-direction:row;overflow:auto}.product-tabs button{min-width:200px;flex:1;padding:18px 15px}.about-section{grid-template-columns:1fr 2fr;gap:20px}.contact-section{gap:35px}.career-strip{margin-inline:28px}.section{padding-block:75px}}
@media(max-width:640px){html{scroll-padding-top:92px}.demo-bar{padding:7px 18px;font-size:10px}.demo-bar>span{font-size:10px}.demo-bar button{font-size:0;gap:0}.demo-bar a{font-size:11px}.company-header{min-height:70px;padding:12px 18px}.wordmark strong{font-size:20px}.menu-button{display:grid}.company-header nav{display:none;position:absolute;top:100%;left:12px;right:12px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 20px 30px #15152515;flex-direction:column;align-items:stretch}.company-header nav.is-open{display:flex}.company-header nav a{padding:9px 12px}.company-hero{margin:12px 12px 0;padding:24px;border-radius:26px}h1{font-size:clamp(42px,10.3vw,62px);line-height:1.2}h2{font-size:30px}.eyebrow{font-size:11px;margin-bottom:18px}.hero-desc{font-size:15px;line-height:1.8;margin-top:20px}.hero-actions{margin-top:24px;gap:10px}.button{padding:12px 16px;gap:13px;font-size:13px;min-height:46px}.button .icon{width:18px;height:18px}.section{padding:65px 22px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:16px}.section-heading>p br{display:none}.product-tabs button{min-width:160px;font-size:14px;padding:16px 14px}.product-tabs button>.icon{display:none}.product-panel{grid-template-columns:1fr;min-height:0}.product-visual{height:210px;min-height:0}.product-copy{padding:24px}.product-copy h3{font-size:27px}.about-section{display:block}.about-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.large-initial{font-size:43px;line-height:1}.about-content h2{font-size:28px}.about-content>p{font-size:16px}.about-facts{gap:28px;flex-wrap:wrap}.career-strip{margin:0 22px;padding:24px;display:block}.career-strip .button{margin-top:20px}.career-strip h2{font-size:19px}.career-strip>div{gap:14px}.contact-section{display:block}.contact-mark{margin-top:22px;font-size:38px}.contact-form{margin-top:30px;padding:24px}.company-footer{margin:0 22px;padding:28px 0 35px;flex-wrap:wrap}.company-footer>span{width:100%;order:3}dialog{padding:23px}.visual figcaption{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.js-motion .reveal:not(.in-view){opacity:1;transform:none}}

.company-hero>*,.section>*,.product-layout>*,.product-panel>*{min-width:0}