@charset "UTF-8";

:root { color-scheme: light; --paper: #f4f5ef; --ink: #202526; --muted: #5f6b64; --line: #d4d9d1; --accent: #0d8d82; --mint: #7ae2ca; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
::selection { background: #a6e8d4; color: var(--ink); }
.wrap { width: min(1184px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 5; top: 12px; left: 12px; padding: 14px 20px; background: var(--ink); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.site-header { min-height: 112px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 26px; font-weight: 650; letter-spacing: -1.25px; }
.brand img { flex: none; }
.site-header nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 550; }
.site-header nav a { display: inline-flex; gap: 16px; align-items: center; min-height: 44px; }
.site-header nav a:hover, .site-footer nav a:hover { color: var(--accent); }
.header-link { border-left: 1px solid var(--line); padding-left: 32px; }
.header-link span { font-size: 21px; }
.hero { display: grid; grid-template-columns: 1.12fr 1fr; align-items: center; gap: 35px; padding-block: 89px 106px; }
.eyebrow { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 10px; font-weight: 550; letter-spacing: 1.45px; line-height: 1.6; }
.hero .eyebrow { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }
h1 { margin-top: 28px; font-size: clamp(54px, 5.5vw, 78px); font-weight: 650; letter-spacing: -3px; line-height: 1.2; }
.underlined { display: inline-block; position: relative; z-index: 0; }
.underlined::after { content: ""; position: absolute; z-index: -1; bottom: 6px; left: 1px; right: 0; height: 10px; background: #a6e8d4; }
.full-stop { color: var(--accent); }
.hero-description { margin-top: 29px; font-size: 16px; color: var(--muted); line-height: 1.95; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 31px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 52px; padding: 0 22px; border-radius: 4px; font-size: 14px; font-weight: 550; transition: background .18s ease, transform .18s ease; }
.button-dark { background: var(--ink); color: var(--paper); }
.button-dark:hover { background: #365549; transform: translateY(-2px); }
.button span { font-size: 20px; }
.hero-note { max-width: 140px; color: #6f7a72; font-family: "SFMono-Regular", Consolas, monospace; font-size: 9px; letter-spacing: .8px; line-height: 1.7; }
.hero-art { min-width: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.art-label, .art-footer { display: flex; justify-content: space-between; align-items: center; font-family: "SFMono-Regular", Consolas, monospace; font-size: 9px; letter-spacing: 1px; color: #6f7a72; }
.art-label { padding-top: 16px; }
.architecture { width: 100%; margin-block: 3px; }
.art-footer { padding-block: 2px 17px; gap: 12px; }
.art-line { height: 1px; background: var(--line); flex: 1; }
.products { padding-bottom: 100px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 32px; }
.section-heading .eyebrow { color: var(--accent); margin-bottom: 12px; }
h2 { font-size: 32px; line-height: 1.4; font-weight: 600; letter-spacing: -.7px; }
.section-heading > p { font-size: 13px; line-height: 1.85; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.product { min-width: 0; padding: 29px 34px 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; transition: border-color .2s ease, box-shadow .2s ease; }
.product:hover { border-color: #9fb7a8; box-shadow: 0 6px 24px -16px #285b4545; }
.product-api { background: #e9eeeb; }
.product-youwei { background: #fafbf6; }
.product-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.product-number { font-family: "SFMono-Regular", Consolas, monospace; font-size: 10px; letter-spacing: .7px; color: var(--muted); }
.product-category { font-size: 11px; color: var(--muted); border: 1px solid #cbd5cb; border-radius: 3px; padding: 4px 7px; }
.product-symbol { width: 64px; height: 64px; margin-block: 32px 19px; }
.api-symbol { display: flex; align-items: center; justify-content: center; gap: 8px; color: #0c786f; background: #d8e8e1; border-radius: 14px; font: 35px "SFMono-Regular", Consolas, monospace; }
.api-symbol i { display: block; width: 8px; height: 10px; background: #0d8d82; }
h3 { font-size: 27px; font-weight: 600; letter-spacing: -.7px; }
.product-name-note { margin-left: 10px; color: var(--muted); font-family: "SFMono-Regular", Consolas, monospace; font-size: 11px; font-weight: 400; letter-spacing: 1px; vertical-align: middle; }
.product-description { margin-top: 14px; color: #56635b; font-size: 15px; line-height: 1.85; }
.product-topics { display: flex; flex-wrap: wrap; column-gap: 19px; row-gap: 8px; list-style: none; padding: 0; margin: 24px 0 30px; color: #4d6256; font-size: 11px; }
.product-topics li { display: flex; align-items: center; gap: 6px; }
.product-topics li::before { content: ""; width: 3px; height: 3px; background: #6c9983; }
.product-link { border-top: 1px solid #ced8cf; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 22px; font-size: 13px; font-weight: 550; }
.product-link small { display: block; margin-top: 6px; color: var(--muted); font-family: "SFMono-Regular", Consolas, monospace; font-size: 10px; font-weight: 400; }
.link-arrow { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid #bbcabe; border-radius: 50%; font-size: 20px; transition: color .18s ease, background .18s ease, border-color .18s ease; }
.product-link:hover .link-arrow { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.about { color: var(--paper); background: var(--ink); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-block: 79px 76px; }
.about-heading .eyebrow { color: var(--mint); margin-bottom: 24px; }
.about-heading h2 { font-size: 48px; line-height: 1.4; letter-spacing: -1px; }
.about-copy { max-width: 480px; }
.about-lead { font-size: 24px; font-weight: 500; line-height: 1.65; letter-spacing: -.4px; margin-bottom: 24px; }
.about-copy > p:not(.about-lead) { color: #b5c0b9; font-size: 14px; line-height: 1.95; margin-top: 14px; }
.about-signature { display: flex; align-items: center; gap: 13px; border-top: 1px solid #3f4943; margin-top: 30px; padding-top: 20px; }
.about-signature span { color: #b5c0b9; font-family: "SFMono-Regular", Consolas, monospace; font-size: 9px; line-height: 1.8; letter-spacing: .5px; }
.site-footer { display: flex; align-items: center; flex-wrap: wrap; justify-content: space-between; gap: 24px; padding-block: 32px; }
.footer-brand { font-size: 20px; letter-spacing: -.8px; gap: 7px; }
.site-footer > p { color: var(--muted); font-size: 12px; }
.site-footer nav { display: flex; align-items: center; gap: 24px; font-size: 12px; }
.site-footer nav a { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; }
@media (min-width: 1440px) { .hero { padding-block: 105px 120px; } }
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 64px); }
  .hero { gap: 15px; padding-block: 70px 84px; }
  h1 { font-size: 60px; }
  .hero-description { font-size: 14px; }
  .hero-note { display: none; }
  .hero .eyebrow { font-size: 8px; letter-spacing: .8px; }
  .product { padding-inline: 25px; }
  .about-inner { gap: 45px; }
}
@media (max-width: 700px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { min-height: 86px; gap: 16px; }
  .brand { font-size: 23px; gap: 7px; }
  .brand img { width: 32px; height: 32px; }
  .site-header nav { gap: 20px; font-size: 12px; }
  .site-header .header-link { display: none; }
  .hero { grid-template-columns: 1fr; gap: 45px; padding-block: 51px 62px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .8px; }
  h1 { font-size: clamp(50px, 10vw, 70px); margin-top: 24px; line-height: 1.22; letter-spacing: -2px; }
  .hero-description { margin-top: 24px; font-size: 14px; }
  .hero-actions { margin-top: 25px; gap: 20px; }
  .hero-note { display: block; font-size: 8px; max-width: 125px; }
  .hero-art { width: min(100%, 480px); margin-inline: auto; }
  .architecture { max-height: 300px; }
  .art-label, .art-footer { font-size: 8px; }
  .section-heading { align-items: start; gap: 18px; flex-direction: column; margin-bottom: 25px; }
  .section-heading > p br { display: none; }
  .section-heading > p { font-size: 12px; }
  h2 { font-size: 27px; }
  .product-grid { grid-template-columns: 1fr; gap: 18px; }
  .product { padding: 23px 25px 0; }
  .product-symbol { margin-top: 26px; }
  .products { padding-bottom: 64px; }
  .about-inner { grid-template-columns: 1fr; gap: 35px; padding-block: 53px; }
  .about-heading .eyebrow { margin-bottom: 17px; }
  .about-heading h2 { font-size: 39px; }
  .about-lead { font-size: 23px; margin-bottom: 22px; }
  .about-copy { max-width: none; }
  .site-footer { gap: 16px; padding-block: 26px; }
  .site-footer > p { order: 3; width: 100%; font-size: 11px; }
  .footer-brand { font-size: 20px; }
  .site-footer nav { gap: 20px; }
}
@media (max-width: 360px) {
  .wrap { width: calc(100% - 32px); }
  .site-header nav { gap: 14px; }
  .brand { font-size: 21px; gap: 5px; }
  .hero .eyebrow { font-size: 8px; letter-spacing: .4px; }
  .hero-note { max-width: 102px; font-size: 7px; }
  .hero-actions { gap: 16px; }
  .button { padding-inline: 18px; gap: 24px; }
  .hero-description { font-size: 13px; }
  .product { padding-inline: 20px; }
  .product-number { font-size: 9px; }
  .product-description { font-size: 14px; }
  .product-topics { column-gap: 13px; }
  .about-heading h2 { font-size: 33px; }
  .about-signature span { font-size: 8px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }