@charset "UTF-8";

:root {
  --paper: #f4f7f8;
  --ink: #152330;
  --muted: #52636f;
  --blue: #285f96;
  --line: #cbd5dc;
  --font: "DingTalk JinBuTi";
}
@font-face {
  font-family: "DingTalk JinBuTi";
  src: url("assets/fonts/DingTalkJinBuTi-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Alimama DaoLiTi";
  src: url("assets/fonts/AlimamaDaoLiTi-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Alimama ShuHeiTi";
  src: url("assets/fonts/AlimamaShuHeiTi-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Alimama FangYuanTi";
  src: url("assets/fonts/AlimamaFangYuanTiVF-Thin.woff2") format("woff2");
  font-weight: 200 700;
  font-style: normal;
  font-display: swap;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.75 var(--font); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
button, a { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
button { color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
a, button { outline-offset: 5px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
button:disabled { cursor: wait; opacity: .6; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { font-family: "Alimama ShuHeiTi"; font-weight: 700; }
p { line-height: 1.75; }
::selection { background: #bed1e1; }
.section-shell { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.content-section, .section-space { padding-block: 88px; }
.eyebrow, .mini-label, .scene-topline, .scene-coordinate { font-size: 11px; letter-spacing: .1em; line-height: 1.7; }
.eyebrow { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.mini-label { color: var(--muted); }
.square { width: 6px; height: 6px; background: var(--blue); display: inline-block; }
.eyebrow-divider { color: #7d909f; margin-inline: 5px; }
.blue-text { color: var(--blue); }
.muted { color: var(--muted); }
.status-dot { display: inline-block; flex-shrink: 0; width: 5px; height: 5px; background: var(--blue); border-radius: 50%; }
.skip-link { position: fixed; top: 8px; left: 8px; padding: 16px; background: white; z-index: 30; transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { height: 82px; padding-inline: max(56px, calc((100vw - 1280px) / 2)); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgb(244 247 248 / .97); position: sticky; top: 0; z-index: 10; }
.brand { display: flex; align-items: baseline; font-size: 27px; font-weight: 650; letter-spacing: -1.1px; white-space: nowrap; }
.brand-dot { color: var(--blue); }
.brand-ai { font-weight: 400; font-size: 24px; }
.brand-cn { font-size: 13px; letter-spacing: 2px; font-weight: 500; margin-left: 20px; padding-left: 20px; border-left: 1px solid #aebac3; }
.site-header nav { display: flex; align-items: center; gap: 32px; font-size: 13px; }
.site-header nav > a { position: relative; padding-block: 14px; }
.site-header nav > a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 5px; height: 1px; background: var(--blue); transition: right .2s; }
.site-header nav > a:hover::after, .site-header nav > a[aria-current]::after { right: 0; }
.nav-contact { border: 1px solid var(--line); padding: 12px 18px; min-height: 44px; display: flex; gap: 30px; align-items: center; }
.nav-contact:hover { border-color: var(--ink); background: white; }
.menu-toggle { display: none; }
.hero { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; min-height: 720px; padding-block: 60px 65px; }
.hero-copy { z-index: 1; }
.hero h1 { font-size: clamp(52px, 4.7vw, 68px); line-height: 1.18; letter-spacing: -.05em; margin: 30px 0 24px; }
.hero-description { font-size: 19px; line-height: 1.8; }
.hero-detail { color: var(--muted); font-size: 14px; max-width: 405px; margin-top: 15px; }
.actions { display: flex; gap: 18px; margin-top: 28px; align-items: center; }
.button { min-height: 50px; display: inline-flex; justify-content: space-between; gap: 36px; align-items: center; padding: 14px 22px; font-size: 13px; border: 1px solid transparent; transition: background .2s, color .2s; }
.button.primary { background: var(--ink); color: white; }
.button.primary:hover { background: var(--blue); }
.text-button { padding-inline: 10px; }
.text-button:hover { color: var(--blue); }
.rounded-button { display: inline-flex; align-items: center; justify-content: center; gap: 30px; min-height: 46px; border: 1px solid #c9d6e1; border-radius: 7px; padding: 12px 24px; font-size: 13px; background: #fff; color: #355774; }
.rounded-button:hover { background: #edf4fa; border-color: #97b2c8; }
.blue-button { background: var(--blue); border-color: var(--blue); color: white; }
.blue-button:hover { background: #194c79; color: white; }
.hero-art { height: 560px; min-width: 0; position: relative; margin-left: -30px; margin-right: -20px; }
.space-canvas { width: 100%; height: 100%; display: block; }
.scene-topline { position: absolute; top: 0; left: 30px; right: 15px; display: flex; justify-content: space-between; align-items: center; font-size: 9px; color: var(--muted); }
.scene-topline button { font-size: 10px; min-height: 44px; padding-inline: 8px; }
.scene-topline button:hover { color: var(--blue); }
.scene-note { position: absolute; bottom: 38px; left: 30px; font-size: 11px; display: flex; align-items: center; gap: 9px; }
.scene-coordinate { position: absolute; right: 12px; bottom: 38px; font-size: 8px; color: var(--muted); }
.positioning-strip { display: grid; grid-template-columns: .9fr repeat(3, 1fr); gap: 30px; align-items: center; padding-block: 30px; border-block: 1px solid var(--line); }
.positioning-strip h2 { font-size: 22px; line-height: 1.4; letter-spacing: -.025em; margin-top: 7px; }
.positioning-strip > a { display: block; padding-left: 25px; border-left: 1px solid var(--line); }
.positioning-strip h3 { font-size: 15px; line-height: 1.6; }
.positioning-strip h3 span { margin-left: 8px; color: var(--blue); }
.positioning-strip p { font-size: 12px; color: var(--muted); margin-top: 8px; }
.positioning-strip > a:hover h3 { color: var(--blue); }

h2 { font-size: clamp(32px, 3vw, 43px); line-height: 1.4; letter-spacing: -.04em; }
.content-heading, .section-heading { display: grid; grid-template-columns: 210px 1fr; gap: 30px; margin-bottom: 48px; }
.content-heading > .eyebrow, .section-heading > .eyebrow { padding-top: 10px; align-self: start; }
.section-description { font-size: 15px; color: var(--muted); margin-top: 22px; max-width: 680px; }
.technology-layout { display: grid; grid-template-columns: 280px 1fr; gap: 70px; align-items: start; }
.technology-intro { background: #e8eff4; border-top: 2px solid var(--blue); padding: 30px 25px; position: sticky; top: 115px; }
.technology-intro > .mini-label { font-size: 9px; }
.technology-intro h3 { font-size: 25px; line-height: 1.5; margin: 22px 0; }
.technology-intro > p:not(.mini-label) { font-size: 13px; color: var(--muted); margin-top: 16px; }
.inline-link { display: inline-flex; align-items: center; gap: 25px; min-height: 44px; padding: 10px 0; font-size: 13px; color: var(--blue); text-align: left; }
.inline-link:hover { color: var(--ink); }
.technology-intro .inline-link { margin-top: 20px; font-size: 12px; }
.technology-article { padding: 27px 0 31px; border-top: 1px solid var(--line); }
.technology-article:first-child { padding-top: 21px; }
.article-label { display: flex; gap: 25px; font-size: 10px; color: var(--muted); letter-spacing: .1em; }
.article-label > span:first-child { color: var(--blue); }
.technology-article h3 { font-size: 23px; line-height: 1.5; margin: 14px 0; letter-spacing: -.02em; }
.technology-article > p { font-size: 14px; color: var(--muted); max-width: 760px; }
.article-detail { display: flex; gap: 20px; font-size: 12px; line-height: 1.8; margin: 18px 0 0; }
.article-detail dt { flex-shrink: 0; color: var(--muted); }
.article-detail dd { margin: 0; }

.deployment-section { background: var(--ink); color: #f4f7f8; }
.deployment-content { display: grid; grid-template-columns: 1fr 1.1fr; gap: 36px 100px; padding-block: 80px 32px; }
.deployment-intro .eyebrow { color: #b9cbd9; margin-bottom: 30px; }
.deployment-intro h2 { font-size: 38px; }
.deployment-intro > p:not(.eyebrow) { color: #b7c6d2; font-size: 15px; margin-top: 25px; }
.light-button { background: #edf3f7; color: var(--ink); margin-top: 32px; }
.light-button:hover { background: #c2d7e7; }
.deployment-list article { display: flex; gap: 27px; padding: 25px 0; border-top: 1px solid #435361; }
.deployment-list article:first-child { padding-top: 8px; border: 0; }
.deployment-index { color: #a8c4db; font-size: 11px; padding-top: 5px; }
.deployment-list h3 { font-size: 21px; margin-bottom: 10px; }
.deployment-list p { color: #b7c6d2; font-size: 14px; }
.deployment-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid #435361; padding-top: 24px; font-size: 12px; }
.deployment-bottom span { color: #b7c6d2; font-size: 11px; }
.industry-article { display: grid; grid-template-columns: 300px 1fr; gap: 50px; padding: 36px 0; border-top: 1px solid var(--line); }
.industry-title .mini-label { font-size: 10px; }
.industry-title h3 { font-size: 29px; line-height: 1.4; margin: 20px 0 13px; }
.industry-title > p { font-size: 13px; color: var(--muted); }
.industry-body > p { font-size: 15px; color: var(--muted); }
.industry-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; margin-top: 24px; }
.industry-fields h4 { font-size: 13px; margin-bottom: 8px; }
.industry-fields p { font-size: 13px; color: var(--muted); }
.industry-body .inline-link { margin-top: 16px; }
.cooperation-section { background: #e8eef2; }
.cooperation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 45px; }
.cooperation-grid article { border-top: 1px solid #b6c6d1; padding-top: 23px; display: flex; flex-direction: column; align-items: start; }
.cooperation-grid h3 { font-size: 23px; margin: 14px 0 18px; }
.cooperation-grid article > p:not(.mini-label) { font-size: 14px; color: var(--muted); }
.cooperation-grid h4 { font-size: 12px; margin-top: 24px; }
.cooperation-grid ul { padding-left: 17px; color: var(--muted); font-size: 13px; line-height: 2.1; margin-block: 12px 20px; }
.cooperation-grid .inline-link { margin-top: auto; }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 42px; }
.team-member { border-top: 1px solid var(--line); padding-top: 25px; }
.team-member .team-index { font-size: 10px; color: var(--muted); letter-spacing: .08em; margin-bottom: 28px; }
.team-member h3 { font-size: 27px; margin-bottom: 12px; }
.team-member .team-role { font-size: 12px; color: var(--blue); margin-bottom: 18px; }
.team-member p { font-size: 14px; color: var(--muted); }
.team-more { margin-top: 25px; }
.capital-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 42px; }
.capital-grid article { border-top: 1px solid var(--line); padding-top: 25px; }
.capital-grid .mini-label { font-size: 10px; letter-spacing: .08em; margin-bottom: 26px; }
.capital-grid h3 { font-size: 24px; margin-bottom: 14px; }
.capital-grid p:last-child { font-size: 14px; color: var(--muted); max-width: 330px; }
.capital-contact { margin-top: 36px; }
.faq-section { display: grid; grid-template-columns: 350px 1fr; gap: 65px; border-top: 1px solid var(--line); padding-block: 65px 80px; }
.faq-section h2 { font-size: 32px; margin-top: 23px; }
.faq-list details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 25px; font-size: 15px; line-height: 1.7; padding-block: 18px; }
summary::-webkit-details-marker { display: none; }
summary > span { flex-shrink: 0; font-size: 19px; color: var(--muted); transition: transform .2s; }
details[open] summary > span { transform: rotate(45deg); }
.faq-list details p { font-size: 14px; color: var(--muted); padding-bottom: 25px; }
.faq-list details .inline-link { margin-top: -10px; margin-bottom: 15px; }
.contact-section { padding-block: 55px 65px; border-top: 1px solid var(--line); }
.contact-heading { display: flex; justify-content: space-between; gap: 60px; margin-top: 28px; align-items: center; }
.contact-heading p { font-size: 14px; color: var(--muted); }
.contact-heading h2 { font-size: 38px; }
.contact-wordmark { display: none; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 95px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.site-footer > div { display: flex; gap: 23px; align-items: center; }
.site-footer a { min-height: 44px; display: inline-flex; align-items: center; }
.site-footer a:hover { color: var(--blue); }
.site-footer .footer-brand { font-size: 22px; letter-spacing: -1px; color: var(--ink); font-weight: 600; }

dialog { border: 1px solid var(--line); background: var(--paper); color: var(--ink); width: min(600px, calc(100% - 32px)); padding: 38px; max-height: calc(100svh - 40px); overflow: auto; }
dialog::backdrop { background: rgb(15 29 40 / .5); backdrop-filter: blur(5px); }
.dialog-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.dialog-heading h2 { font-size: 30px; margin-top: 12px; }
.close-dialog { height: 44px; width: 44px; font-size: 25px; flex-shrink: 0; margin: -10px -14px 0 0; }
.dialog-intro { font-size: 13px; color: var(--muted); margin: 20px 0 24px; }
.contact-form { display: grid; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: grid; gap: 9px; font-size: 12px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; min-height: 46px; border: 1px solid #a7b8c4; padding: 12px; background: white; border-radius: 0; color: var(--ink); font-size: 14px; }
.contact-form textarea { resize: vertical; min-height: 96px; }
.contact-form .button { justify-content: center; }
.form-note { font-size: 11px; color: var(--muted); }
.brief-result { padding-top: 25px; border-top: 1px solid var(--line); margin-top: 26px; }
.brief-result h3 { font-size: 17px; margin-bottom: 16px; }
.brief-result pre { white-space: pre-wrap; overflow-wrap: anywhere; font: 13px/1.9 var(--font); padding: 20px; background: #e7eef3; }
.brief-result .actions { margin-top: 16px; gap: 10px; flex-wrap: wrap; }
.brief-result .button { border-color: var(--line); padding: 10px 18px; min-height: 44px; }
.result-status { font-size: 12px; color: var(--blue); margin-top: 12px; min-height: 23px; }
body.dialog-open { overflow: hidden; }
.about-hero { padding-block: 85px 70px; border-bottom: 1px solid var(--line); }
.about-hero h1 { font-size: clamp(42px, 5.5vw, 78px); line-height: 1.25; letter-spacing: -.05em; margin: 36px 0; }
.about-hero .section-description { max-width: 660px; }
.about-summary { display: grid; grid-template-columns: 210px 1fr; gap: 30px; padding-block: 65px; border-bottom: 1px solid var(--line); }
.about-summary > p:last-child { font-size: 24px; line-height: 1.9; max-width: 860px; }
.research-section { border-block: 1px solid var(--line); padding-block: 65px; }
.research-row { display: grid; grid-template-columns: 190px 1fr 1.3fr; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.research-row:last-child { border: 0; }
.research-row h3 { font-size: 22px; }
.research-row p { font-size: 14px; color: var(--muted); }
.legal-content { max-width: 800px; padding-block: 80px 120px; }
.legal-content h1 { font-size: 42px; margin: 25px 0 35px; }
.legal-content h2 { font-size: 24px; margin: 35px 0 15px; }
.legal-content p { font-size: 15px; color: var(--muted); }

@media (max-width: 1100px) {
  .section-shell { width: calc(100% - 64px); }
  .site-header { padding-inline: 32px; }
  .brand-cn { display: none; }
  .site-header nav { gap: 24px; }
  .hero { min-height: 670px; }
  .hero h1 { font-size: 58px; }
  .hero-art { height: 500px; margin-left: -45px; }
  .hero-detail { max-width: 340px; }
  .hero-description { font-size: 17px; }
  .scene-coordinate { display: none; }
  .positioning-strip { gap: 20px; }
  .positioning-strip > a { padding-left: 18px; }
  .positioning-strip h3 { font-size: 13px; }
  .positioning-strip h3 span { display: none; }
  .positioning-strip p { font-size: 11px; }
  .content-heading, .section-heading { grid-template-columns: 170px 1fr; }
  .technology-layout { grid-template-columns: 250px 1fr; gap: 35px; }
  .technology-intro { padding-inline: 20px; }
  .technology-article h3 { font-size: 21px; }
  .deployment-content { gap: 35px 55px; }
  .deployment-intro h2 { font-size: 32px; }
  .industry-article { grid-template-columns: 250px 1fr; gap: 35px; }
  .industry-title h3 { font-size: 26px; }
  .cooperation-grid { gap: 30px; }
  .cooperation-grid h3 { font-size: 20px; }
  .team-grid { gap: 30px; }
  .capital-grid { gap: 30px; }
  .faq-section { grid-template-columns: 290px 1fr; gap: 35px; }
  .contact-heading { gap: 35px; }
  .about-summary { grid-template-columns: 170px 1fr; }
  .research-row { grid-template-columns: 150px 1fr; }
  .research-row > p:last-child { grid-column: 2; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 90px; }
  .section-shell { width: calc(100% - 40px); }
  .content-section, .section-space { padding-block: 56px; }
  .site-header { height: 72px; padding-inline: 20px; }
  .brand { font-size: 24px; }
  .brand-ai { font-size: 22px; }
  .brand-cn { display: block; font-size: 11px; letter-spacing: 1px; margin-left: 14px; padding-left: 14px; }
  .menu-toggle { display: flex; gap: 15px; align-items: center; min-height: 44px; font-size: 12px; }
  .menu-toggle > span { font-size: 20px; }
  .site-header nav { display: none; position: absolute; top: 71px; left: 0; right: 0; padding: 20px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 5px; box-shadow: 0 15px 25px #1523300d; }
  .site-header nav.is-open { display: flex; }
  .site-header nav > a { padding: 16px 0; }
  .nav-contact { margin-top: 10px; justify-content: space-between; }
  .hero { min-height: auto; padding-block: 40px 25px; grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(45px, 10vw, 65px); margin-block: 25px 22px; }
  .hero-description { font-size: 17px; }
  .hero-detail { font-size: 13px; max-width: 460px; margin-top: 13px; }
  .eyebrow { font-size: 10px; gap: 7px; letter-spacing: .09em; }
  .actions { margin-top: 25px; gap: 12px; }
  .button { gap: 20px; min-height: 48px; padding: 13px 16px; font-size: 12px; }
  .text-button { padding-inline: 8px; }
  .hero-art { height: 365px; margin: 22px -18px 0; }
  .scene-topline { top: 0; left: 20px; right: 15px; font-size: 8px; }
  .scene-note { left: 22px; bottom: 12px; font-size: 9px; }
  .positioning-strip { grid-template-columns: 1fr; gap: 0; padding-block: 25px 5px; }
  .positioning-strip > div { padding-bottom: 20px; }
  .positioning-strip h2 { font-size: 25px; }
  .positioning-strip h2 br { display: none; }
  .positioning-strip > a { padding: 18px 0; border: 0; border-top: 1px solid var(--line); }
  .positioning-strip h3 { font-size: 15px; display: flex; justify-content: space-between; }
  .positioning-strip h3 span { display: block; }
  .positioning-strip p { font-size: 12px; margin-top: 6px; }
  .content-heading, .section-heading { display: block; margin-bottom: 30px; }
  .content-heading > .eyebrow, .section-heading > .eyebrow { padding: 0; margin-bottom: 20px; }
  h2 { font-size: clamp(27px, 6.7vw, 34px); }
  .section-description { font-size: 14px; margin-top: 18px; }
  .technology-layout { grid-template-columns: 1fr; gap: 32px; }
  .technology-intro { position: static; padding: 25px; }
  .technology-intro h3 { font-size: 24px; margin-block: 18px; }
  .technology-intro .inline-link { margin-top: 14px; }
  .technology-article { padding-block: 25px; }
  .technology-article h3 { font-size: 21px; }
  .technology-article > p { font-size: 14px; }
  .article-detail { display: block; margin-top: 16px; }
  .article-detail dd { margin-top: 5px; }
  .deployment-content { grid-template-columns: 1fr; padding-block: 55px 28px; gap: 40px; }
  .deployment-intro .eyebrow { margin-bottom: 22px; }
  .deployment-intro h2 { font-size: clamp(26px, 6.6vw, 34px); }
  .deployment-intro > p:not(.eyebrow) { font-size: 14px; margin-top: 20px; }
  .light-button { margin-top: 24px; }
  .deployment-list article { gap: 22px; }
  .deployment-list h3 { font-size: 21px; }
  .deployment-bottom { display: block; padding-top: 20px; }
  .deployment-bottom span { display: block; margin-top: 12px; font-size: 10px; line-height: 1.9; }
  .industry-article { grid-template-columns: 1fr; gap: 24px; padding-block: 30px; }
  .industry-title h3 { font-size: 27px; margin-block: 15px 10px; }
  .industry-body > p { font-size: 14px; }
  .industry-fields { grid-template-columns: 1fr; gap: 18px; margin-top: 20px; }
  .industry-body .inline-link { margin-top: 14px; }
  .cooperation-grid { grid-template-columns: 1fr; gap: 25px; }
  .cooperation-grid h3 { font-size: 23px; }
  .cooperation-grid article { padding-top: 25px; }
  .cooperation-grid h4 { margin-top: 20px; }
  .cooperation-grid ul { margin-bottom: 12px; }
  .team-grid { grid-template-columns: 1fr; gap: 30px; }
  .team-member .team-index { margin-bottom: 20px; }
  .team-member .team-role { margin-bottom: 15px; }
  .team-more { margin-top: 20px; }
  .capital-grid { grid-template-columns: 1fr; gap: 30px; }
  .capital-grid .mini-label { margin-bottom: 20px; }
  .capital-grid h3 { font-size: 22px; }
  .capital-grid p:last-child { max-width: none; }
  .capital-contact { margin-top: 28px; }
  .rounded-button { font-size: 12px; padding: 12px 20px; }
  .faq-section { grid-template-columns: 1fr; gap: 25px; padding-block: 50px; }
  .faq-section h2 { font-size: 30px; margin-top: 20px; }
  summary { font-size: 14px; gap: 18px; }
  .faq-list details p { font-size: 13px; }
  .contact-section { padding-block: 45px; }
  .contact-heading { display: block; margin-top: 24px; }
  .contact-heading h2 { font-size: 32px; margin-bottom: 23px; }
  .contact-heading p { font-size: 13px; }
  .site-footer { flex-wrap: wrap; gap: 6px 15px; padding-block: 20px; font-size: 10px; }
  .site-footer > span { order: 3; width: 100%; }
  .site-footer > div { margin-left: auto; gap: 15px; }
  .site-footer .footer-brand { font-size: 20px; }
  .about-hero { padding-block: 55px; }
  .about-hero h1 { font-size: 43px; margin-block: 28px; }
  .about-summary { grid-template-columns: 1fr; gap: 22px; padding-block: 45px; }
  .about-summary > p:last-child { font-size: 20px; }
  .research-section { padding-block: 45px; }
  .research-row { grid-template-columns: 1fr; gap: 15px; }
  .research-row > p:last-child { grid-column: auto; }
  .research-row h3 { font-size: 23px; }
  .legal-content { padding-block: 55px 80px; }
  .legal-content h1 { font-size: 34px; }
  dialog { padding: 25px; }
  .dialog-heading h2 { font-size: 27px; }
  .form-row { grid-template-columns: 1fr; }
  .dialog-intro { margin-top: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
html.motion-paused { scroll-behavior: auto; }
.motion-paused *, .motion-paused *::before, .motion-paused *::after { animation: none !important; transition: none !important; }

.brand, .brand-home .brand { align-items: center; gap: 11px; letter-spacing: normal; }
.brand-symbol { width: 40px; height: 40px; flex-shrink: 0; }
.brand-words { --brand-track: 2.1px; --brand-ink: 1.25px; height: 40px; display: flex; flex-direction: column; justify-content: space-between; align-items: stretch; gap: 0; }
.brand-name { margin-right: calc(var(--brand-track) * -1); font-size: 26px; font-weight: 650; letter-spacing: var(--brand-track); line-height: 1; }
.brand-english { display: flex; justify-content: space-between; padding-inline: var(--brand-ink); font-size: 10px; font-weight: 300; letter-spacing: 0; line-height: 1; }
.brand-name, .hero-brandline strong, .contact-wordmark { font-family: "Alimama ShuHeiTi"; }
.brand-english, .hero-brandline span { font-family: "Alimama FangYuanTi"; font-weight: 300; }
.brand-english > span, .hero-brandline span > span { display: block; }
.section-kicker, .eyebrow, .mini-label, .scene-topline, .scene-coordinate { font-family: "Alimama DaoLiTi"; }
@media (max-width: 760px) {
  .brand-symbol { width: 34px; height: 34px; }
  .brand-words { --brand-track: 1.8px; height: 34px; }
  .brand-name { font-size: 22px; }
  .brand-english { font-size: 9px; }
}

.backers-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.backer-logo { min-height: 132px; display: grid; place-items: center; padding: 22px 16px; background: #fff; }
.backer-logo img { display: block; width: auto; max-width: 100%; max-height: 88px; object-fit: contain; mix-blend-mode: multiply; }
.backer-sequoia img { width: 104px; }
.backer-alibaba img { width: 84px; }
.backer-makers img { width: 140px; }
.backer-mindworks img { width: 100%; }
.backer-lightspeed img { width: 106px; }
.backer-lanchi img { width: 56px; }
@media (max-width: 900px) { .backers-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .backers-grid { grid-template-columns: repeat(2, 1fr); } }