@charset "UTF-8";

:root {
  color-scheme: light;
  --background: oklch(1 0 0);
  --surface: oklch(0.979 0.008 252);
  --primary: oklch(0.53 0.155 251);
  --primary-hover: oklch(0.48 0.14 251);
  --seed: oklch(0.56 0.145 251);
  --contact-background: oklch(0.265 0.067 254);
  --accent: oklch(0.91 0.066 215);
  --ink: oklch(0.245 0.012 258);
  --muted: oklch(0.47 0.018 252);
  --line: oklch(0.91 0.009 252);
  --on-primary: oklch(0.995 0 0);
  --on-primary-muted: oklch(0.86 0.015 252);
  --z-header: 20;
  --z-skip: 30;
  --container: 1220px;
  --gutter: clamp(24px, 5.2vw, 88px);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: var(--background); font-size: 15px; line-height: 1.8; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
button:not(:disabled), summary { cursor: pointer; }
button { border: 0; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
[hidden] { display: none !important; }
::selection { color: var(--primary); background: var(--accent); }
:focus-visible { outline: 3px solid var(--primary-hover); outline-offset: 5px; }
.container { width: min(var(--container), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: -100px; z-index: var(--z-skip); padding: 10px 20px; color: var(--on-primary); background: var(--primary); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: var(--z-header); background: var(--background); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-logo { width: 142px; height: auto; }
.site-nav { display: flex; align-items: center; gap: clamp(24px, 3vw, 42px); font-size: 13px; font-weight: 500; }
.site-nav > a { display: inline-flex; align-items: center; min-height: 44px; }
.site-nav > a:hover { color: var(--primary-hover); }
.site-nav .nav-contact { padding: 1px 20px; gap: 22px; border: 1px solid var(--line); border-radius: 6px; }
.nav-contact span { font-size: 17px; }
.menu-button { display: none; }

.hero { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 24px; padding-top: 72px; padding-bottom: 64px; }
.hero-copy { position: relative; z-index: 1; padding-bottom: 12px; }
.hero-label { display: flex; align-items: center; gap: 10px; margin-bottom: 30px; color: var(--primary); font-size: 12px; font-weight: 500; }
.small-square { display: inline-block; width: 7px; height: 7px; flex: 0 0 7px; background: var(--seed); }
h1 { font-size: clamp(38px, 4.35vw, 64px); line-height: 1.42; font-weight: 650; letter-spacing: -0.035em; }
h1 > span { color: var(--primary); }
.hero-description { max-width: 520px; margin-top: 26px; color: var(--muted); font-size: 14px; line-height: 2; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 50px; padding: 10px 22px; border-radius: 6px; font-size: 13px; font-weight: 550; }
.button-primary { color: var(--on-primary); background: var(--primary); }
.button-primary:hover { background: var(--primary-hover); }
.text-link { display: inline-flex; align-items: center; gap: 18px; min-height: 44px; color: var(--primary); font-size: 13px; font-weight: 550; }
.text-link:hover { text-decoration: underline; text-underline-offset: 6px; }
.text-link span, .button span { font-size: 20px; line-height: 1; }
.hero-footnote { display: flex; align-items: center; gap: 12px; margin-top: 64px; color: var(--muted); font-size: 11px; }
.hero-footnote > span { font-size: 21px; color: var(--seed); }
.hero-art { align-self: stretch; display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.hero-art > img { width: 100%; }
.hero-art figcaption { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: -12px 38px 0 52px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.art-caption-symbol { color: var(--primary); font-size: 20px; }
.focus-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 24px; color: var(--primary); font-size: 13px; font-weight: 550; }
.strip-caption { margin-right: 70px; color: var(--muted); font-size: 11px; font-weight: 400; }
.strip-inner > i { width: 3px; height: 3px; border-radius: 50%; background: var(--seed); }

.section { padding-block: clamp(72px, 8vw, 112px); }
h2 { font-size: clamp(28px, 2.8vw, 40px); font-weight: 600; line-height: 1.5; letter-spacing: -0.03em; }
h3 { font-size: 22px; font-weight: 600; line-height: 1.5; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 42px; }
.section-heading > p { padding-bottom: 3px; color: var(--muted); font-size: 14px; }
.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.service { min-width: 0; padding: 0 34px 32px; border-radius: 12px; background: var(--surface); }
.service-tools { background: oklch(0.973 0.014 215); }
.service-art { position: relative; height: 172px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; overflow: hidden; }
.development-art { gap: 19px; }
.code-bracket { color: var(--primary); font-size: 76px; font-family: system-ui, sans-serif; font-weight: 300; line-height: 1; }
.code-divider { color: oklch(0.59 0.095 252); font-size: 68px; font-family: system-ui, sans-serif; font-weight: 250; line-height: 1; }
.code-lines { display: flex; flex-direction: column; gap: 10px; margin-left: 8px; width: 60px; }
.code-lines > i { display: block; height: 4px; width: 100%; border-radius: 2px; background: oklch(0.78 0.06 252); }
.code-lines > i:nth-child(2) { width: 40px; background: oklch(0.86 0.04 252); }
.code-lines > i:nth-child(3) { width: 51px; background: oklch(0.73 0.07 252); }
.service > h3 { margin-bottom: 12px; }
.service > p { max-width: 45ch; color: var(--muted); font-size: 14px; line-height: 1.95; }
.service-tags { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; color: var(--primary); font-size: 11px; }
.service-tags > span { display: inline-flex; align-items: center; gap: 7px; }
.service-tags > span::before { content: ""; width: 4px; height: 4px; background: oklch(0.62 0.075 252); }
.tools-art { gap: 15px; }
.tool-tile { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 13px; }
.tool-tile svg { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tile-one { color: var(--primary); background: oklch(0.9 0.043 250); transform: rotate(-12deg) translateY(8px); }
.tile-two { color: var(--on-primary); background: var(--primary); transform: rotate(8deg) translateY(-4px); }
.tile-three { color: var(--primary); background: oklch(0.86 0.065 252); transform: rotate(-6deg) translateY(10px); }

.tools-section { padding-block: clamp(70px, 8vw, 108px); background: var(--surface); }
.tools-layout { display: grid; grid-template-columns: 0.95fr 1fr; align-items: center; gap: clamp(40px, 7vw, 100px); }
.section-kicker { color: var(--muted); font-size: 12px; margin-bottom: 18px; }
.tools-copy > h2 { margin-bottom: 20px; }
.section-description { max-width: 36ch; color: var(--muted); font-size: 14px; line-height: 2; }
.scene-tabs { display: flex; flex-direction: column; gap: 4px; max-width: 350px; margin-top: 28px; }
.scene-tabs > button { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 12px 14px; background: transparent; color: var(--muted); font-size: 13px; text-align: left; border-radius: 6px; }
.scene-tabs > button > span { font-size: 20px; }
.scene-tabs > button[aria-selected="true"] { color: var(--primary); background: var(--background); font-weight: 600; }
.scene-tabs > button:hover { color: var(--primary); background: oklch(1 0 0 / 0.7); }
.demo-note { max-width: 42ch; margin-top: 24px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.workbench { align-self: center; overflow: hidden; border: 1px solid oklch(0.865 0.029 252); background: var(--background); border-radius: 12px; transform: rotate(-1.5deg); }
.workbench-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 20px 26px; border-bottom: 1px solid var(--line); }
.workbench-brand { display: inline-flex; align-items: center; gap: 9px; color: var(--primary); font-size: 12px; font-weight: 600; }
.demo-tag { padding: 3px 9px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); font-size: 10px; }
.scene-panel { padding: 26px; }
.workbench-caption { color: var(--muted); font-size: 11px; }
.workbench-heading > h3 { margin-top: 8px; font-size: 20px; }
.workbench-heading > p { margin-top: 8px; margin-bottom: 24px; color: var(--muted); font-size: 12px; }
.document-row { display: flex; align-items: center; gap: 16px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.document-row > div { flex: 1; min-width: 0; }
.document-row strong { display: block; font-size: 13px; font-weight: 550; }
.document-row div > span { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; }
.document-icon, .step-icon { display: grid; place-items: center; flex: 0 0 39px; height: 44px; color: var(--primary); font-size: 25px; background: var(--surface); border-radius: 5px; }
.step-icon { font-size: 14px; }
.row-arrow { color: var(--muted); font-size: 18px; }
.workbench-bottom { display: flex; align-items: center; gap: 9px; padding-top: 24px; color: var(--muted); font-size: 11px; }
.noscript-note { margin: 0 26px 22px; color: var(--muted); font-size: 12px; }

.about-section { display: grid; grid-template-columns: 1fr 0.96fr; gap: clamp(48px, 7vw, 110px); padding-bottom: 88px; }
.about-heading h2 { font-size: clamp(26px, 2.6vw, 36px); }
.about-copy { padding-top: 7px; }
.about-copy > p { color: var(--muted); font-size: 14px; line-height: 2; margin-bottom: 20px; }
.about-copy > .company-name { color: var(--ink); font-size: 18px; font-weight: 600; }
.about-copy .text-link { margin-top: 2px; }
.process-section { padding-block: 44px 64px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.process-heading > h2 { font-size: 27px; }
.process-heading > p { max-width: 34ch; color: var(--muted); font-size: 12px; }
.process-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; list-style: none; padding: 0; margin: 40px 0 0; }
.process-number { display: inline-block; color: var(--seed); font-size: 22px; font-family: system-ui, sans-serif; font-weight: 450; margin-bottom: 13px; }
.process-list h3 { margin-bottom: 12px; font-size: 18px; }
.process-list p { max-width: 30ch; color: var(--muted); font-size: 13px; }
.faq-section { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 64px; }
.faq-heading > h2 { font-size: 30px; margin-bottom: 15px; }
.faq-heading > p { color: var(--muted); font-size: 13px; }
.faq-list > details { border-bottom: 1px solid var(--line); }
.faq-list > details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding-block: 20px; list-style: none; font-size: 14px; font-weight: 500; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { flex-shrink: 0; color: var(--muted); font-size: 22px; font-weight: 300; }
.faq-list details[open] summary > span { transform: rotate(45deg); }
.faq-list details > p { padding: 0 32px 24px 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.faq-list details a, .legal-copy a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

.contact-section { padding-block: 68px; color: var(--on-primary); background: var(--contact-background); }
.contact-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 70px; align-items: center; }
.contact-kicker { color: var(--on-primary-muted); font-size: 12px; margin-bottom: 18px; }
.contact-section h2 { margin-bottom: 20px; font-size: clamp(29px, 3.1vw, 44px); }
.contact-layout > div > p:last-child { color: var(--on-primary-muted); font-size: 12px; }
.contact-information { padding-left: 40px; border-left: 1px solid oklch(0.55 0.06 252); }
.contact-company { font-size: 16px; font-weight: 550; margin-bottom: 14px; }
.contact-information [data-contact-details] { font-size: 14px; overflow-wrap: anywhere; }
.contact-email { display: inline-flex; align-items: center; min-height: 44px; font-family: system-ui, sans-serif; font-size: 20px; }
.contact-email:hover { text-decoration: underline; text-underline-offset: 5px; }
.contact-information .contact-hint { margin-top: 18px; font-size: 11px; line-height: 1.8; }
.contact-section :focus-visible { outline-color: var(--accent); }
.site-footer { padding: 36px 0 22px; }
.footer-main { display: flex; align-items: center; gap: 32px; padding-bottom: 26px; }
.footer-brand .brand-logo { width: 128px; }
.footer-main > p { flex: 1; color: var(--muted); font-size: 11px; }
.footer-links { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: 11px; }
.footer-links > a { display: inline-flex; align-items: center; min-height: 44px; }
.footer-links > a:hover { color: var(--primary); text-decoration: underline; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.filing-area { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 18px var(--gutter) 0; color: var(--muted); font-size: 10px; text-align: center; }
.filing-area a { display: inline-flex; align-items: center; min-height: 28px; }
.filing-area a:hover { text-decoration: underline; text-underline-offset: 4px; }

.legal-main { max-width: 880px; padding-block: 56px 90px; }
.back-link { display: inline-flex; align-items: center; min-height: 44px; margin-bottom: 28px; color: var(--muted); font-size: 12px; }
.back-link:hover { text-decoration: underline; }
.legal-main h1 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 14px; }
.legal-meta { color: var(--muted); font-size: 12px; }
.legal-copy { margin-top: 32px; }
.legal-copy h2 { font-size: 21px; margin: 34px 0 14px; }
.legal-copy h3 { font-size: 16px; margin: 24px 0 10px; }
.legal-copy p { color: var(--muted); margin-bottom: 16px; font-size: 14px; line-height: 2; }
.legal-copy ul { margin: 12px 0; padding-left: 24px; color: var(--muted); font-size: 14px; }
.legal-copy li { margin-bottom: 9px; }
.legal-contact { margin-block: 28px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 8px; }
.legal-contact > h2 { margin-top: 0; }
.legal-contact [data-contact-details], .legal-contact [data-rights-contact] { color: var(--muted); font-size: 14px; overflow-wrap: anywhere; }
.legal-contact a { display: inline-flex; align-items: center; min-height: 44px; color: var(--primary); text-decoration: underline; }

@media (min-width: 1440px) {
  .hero { padding-top: 88px; padding-bottom: 78px; }
  .hero-art { max-width: 575px; }
}
@media (max-width: 1100px) {
  .hero { padding-top: 56px; gap: 12px; }
  h1 { font-size: clamp(36px, 4.7vw, 51px); }
  .hero-actions { gap: 12px; }
  .hero-description { font-size: 13px; }
  .hero-footnote { margin-top: 36px; }
  .strip-caption { margin-right: 20px; }
  .service { padding-inline: 28px; }
  .tools-layout { gap: 40px; }
  .workbench-top, .scene-panel { padding: 22px; }
  .about-section { gap: 50px; }
  .footer-main { gap: 20px; }
  .footer-links { gap: 16px; }
}
@media (max-width: 760px) {
  :root { --gutter: 24px; }
  html { scroll-padding-top: 88px; }
  .header-inner { min-height: 76px; flex-wrap: wrap; gap: 0 24px; }
  .brand > img { width: 128px; }
  .site-nav { width: 100%; padding-block: 12px; flex-wrap: wrap; gap: 8px 24px; }
  .site-nav > a { min-height: 44px; }
  .site-nav .nav-contact { padding-inline: 12px; }
  .js-enabled .menu-button { display: flex; flex-direction: column; justify-content: center; gap: 7px; width: 44px; height: 44px; margin-left: auto; padding: 10px; border-radius: 5px; background: var(--surface); }
  .menu-button > span { display: block; height: 1px; width: 24px; background: var(--primary); }
  .js-enabled .site-nav { display: none; }
  .js-enabled .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; width: 100%; padding: 14px 0 22px; }
  .js-enabled .site-nav.is-open a { padding-inline: 12px; }
  .hero { grid-template-columns: 1fr; gap: 14px; padding-top: 48px; padding-bottom: 34px; }
  .hero-copy { padding: 0; }
  .hero-label { margin-bottom: 20px; font-size: 11px; }
  h1 { font-size: clamp(37px, 7.7vw, 53px); line-height: 1.42; letter-spacing: -0.025em; }
  .hero-description { max-width: 44ch; margin-top: 20px; line-height: 1.95; }
  .desktop-break { display: none; }
  .hero-actions { margin-top: 26px; gap: 16px; }
  .hero-footnote { margin-top: 22px; font-size: 10px; }
  .hero-art { max-width: 430px; margin: 0 auto; }
  .hero-art > img { aspect-ratio: 640 / 620; }
  .hero-art figcaption { margin: -22px 20px 0; padding-top: 10px; font-size: 10px; }
  .strip-inner { flex-wrap: wrap; justify-content: center; gap: 8px 17px; padding-block: 18px; font-size: 11px; }
  .strip-caption { width: 100%; margin: 0; text-align: center; font-size: 10px; }
  .section { padding-block: 64px; }
  h2 { font-size: clamp(27px, 6vw, 36px); }
  .section-heading { display: block; margin-bottom: 30px; }
  .section-heading > p { margin-top: 20px; font-size: 13px; }
  .service-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .service { padding: 0 26px 27px; }
  .service-art { height: 145px; margin-bottom: 8px; }
  .service > h3 { font-size: 21px; }
  .service > p { max-width: none; font-size: 13px; }
  .service-tags { margin-top: 20px; }
  .tools-section { padding-block: 64px; }
  .tools-layout { grid-template-columns: 1fr; gap: 32px; }
  .section-description { max-width: 45ch; font-size: 13px; }
  .scene-tabs { flex-direction: row; max-width: none; gap: 4px; margin-top: 24px; }
  .scene-tabs > button { flex: 1; justify-content: center; padding: 12px 5px; min-height: 48px; font-size: 12px; }
  .scene-tabs > button > span { display: none; }
  .demo-note { max-width: none; margin-top: 18px; }
  .workbench { transform: none; }
  .workbench-top, .scene-panel { padding: 20px; }
  .workbench-heading > h3 { font-size: 19px; }
  .workbench-bottom { font-size: 10px; }
  .about-section { grid-template-columns: 1fr; gap: 30px; }
  .about-heading h2 { font-size: clamp(26px, 5.8vw, 34px); }
  .about-copy { padding-top: 0; }
  .about-copy > p { font-size: 13px; }
  .about-copy > .company-name { font-size: 17px; }
  .process-section { padding-block: 32px 44px; }
  .process-heading { display: block; }
  .process-heading > h2 { font-size: 25px; }
  .process-heading > p { max-width: none; margin-top: 18px; }
  .process-list { grid-template-columns: 1fr; gap: 28px; margin-top: 30px; }
  .process-list li { display: grid; grid-template-columns: 40px 1fr; column-gap: 15px; }
  .process-number { grid-row: span 2; margin-top: -3px; }
  .process-list h3 { margin-bottom: 7px; }
  .process-list p { max-width: none; font-size: 12px; }
  .faq-section { grid-template-columns: 1fr; gap: 28px; }
  .faq-heading > h2 { font-size: 28px; }
  .faq-list summary { padding-block: 18px; font-size: 13px; }
  .faq-list details > p { font-size: 12px; }
  .contact-section { padding-block: 48px; }
  .contact-layout { grid-template-columns: 1fr; gap: 34px; }
  .contact-kicker { font-size: 11px; }
  .contact-section h2 { font-size: clamp(26px, 6.4vw, 36px); }
  .contact-information { padding: 28px 0 0; border-left: 0; border-top: 1px solid oklch(0.55 0.06 252); }
  .contact-company { font-size: 15px; }
  .footer-main { flex-wrap: wrap; gap: 18px 22px; padding-bottom: 20px; }
  .footer-main > p { flex-basis: calc(100% - 165px); }
  .footer-links { width: 100%; justify-content: space-between; font-size: 11px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; padding-top: 20px; }
  .filing-area { padding-top: 14px; }
  .legal-main { padding-top: 32px; }
  .legal-main h1 { font-size: 28px; }
  .legal-copy p, .legal-copy ul { font-size: 13px; }
}
@media (max-width: 360px) {
  :root { --gutter: 18px; }
  h1 { font-size: 34px; }
  .hero-actions { gap: 12px; }
  .button { padding-inline: 16px; gap: 16px; font-size: 12px; }
  .hero-actions .text-link { font-size: 11px; gap: 9px; }
  .strip-inner { gap: 8px 11px; }
  .development-art { gap: 12px; }
  .code-bracket { font-size: 64px; }
  .code-divider { font-size: 56px; }
  .code-lines { width: 48px; }
  .workbench-top, .scene-panel { padding: 16px; }
  .document-row { gap: 11px; }
  .document-row div > span { font-size: 10px; }
  .footer-main > p { flex-basis: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}