:root {
  color-scheme: light;
  --page: oklch(0.98 0 0); --surface: oklch(1 0 0); --ink: oklch(0.21 0.006 35);
  --muted: oklch(0.46 0.012 35); --line: oklch(0.87 0.006 35);
  --brand: oklch(0.53 0.168 38); --brand-hover: oklch(0.46 0.15 38);
  --tint: oklch(0.94 0.022 38); --bright: oklch(0.83 0.12 48);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink); background: var(--page); font-synthesis: none;
  --ease: cubic-bezier(.16, 1, .3, 1);
}
html[data-theme="blue"] { --brand: oklch(0.49 0.204 263); --brand-hover: oklch(0.43 0.17 263); --tint: oklch(0.94 0.025 263); --bright: oklch(0.82 0.08 263); }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 105px; }
body { margin: 0; min-width: 320px; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; }
button:focus-visible, a:focus-visible, summary:focus-visible, [tabindex="0"]:focus-visible { outline: 3px solid var(--brand); outline-offset: 5px; }
img { display: block; max-width: 100%; }
h1,h2,h3,h4,p { margin: 0; }
h1,h2,h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.icon { flex: 0 0 auto; vertical-align: middle; }
.container { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 15px; background: var(--ink); color: white; padding: 15px; z-index: 30; }
.skip-link:focus { top: 15px; }
.site-header { background: var(--page); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 92px; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-logo { width: 40px; height: 40px; object-fit: contain; flex: 0 0 auto; border-radius: 10px; }
.brand > span { font-size: 22px; font-weight: 750; letter-spacing: -.035em; line-height: 1.3; }
.brand small { display: block; font-size: 10px; font-weight: 400; letter-spacing: .07em; color: var(--muted); margin-top: 3px; }
nav { display: flex; gap: 36px; font-size: 13px; color: var(--muted); }
nav a { padding-block: 14px; transition: color .18s; }
nav a:hover { color: var(--brand); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 13px; min-height: 50px; padding: 14px 22px; font-weight: 600; font-size: 14px; border: 0; border-radius: 7px; transition: background .2s, transform .2s var(--ease); line-height: 1.5; }
.button:hover { transform: translateY(-2px); }
.button:disabled:hover { transform: none; }
.header-cta { background: var(--ink); color: white; min-height: 41px; padding: 10px 16px; font-size: 12px; }
.header-cta:hover { background: var(--brand); }
.header-cta .icon { width: 15px; height: 15px; }
.primary { background: var(--brand); color: white; min-width: 244px; }
.primary:hover { background: var(--brand-hover); }
.primary .icon:last-child { margin-left: 17px; width: 18px; height: 18px; }
.primary:disabled { background: var(--tint); color: var(--muted); }
.hero { padding-top: 70px; }
.hero-intro { display: grid; grid-template-columns: 1.6fr 1fr; gap: 42px; align-items: end; padding-bottom: 48px; }
.hero-label { display: flex; gap: 9px; align-items: center; font-size: 12px; color: var(--muted); margin-bottom: 25px; }
.hero-label > span { width: 6px; height: 6px; background: var(--brand); border-radius: 50%; }
h1 { font-size: clamp(36px, 4.4vw, 64px); line-height: 1.27; font-weight: 750; letter-spacing: -.035em; }
.accent { color: var(--brand); }
.hero-action { padding-bottom: 3px; }
.hero-action > p:first-child { color: var(--muted); font-size: 15px; line-height: 1.9; margin-bottom: 23px; }
.platform-note { color: var(--muted); font-size: 11px; margin-top: 14px; line-height: 1.6; }
.release-message { color: var(--muted); font-size: 11px; margin-top: 7px; line-height: 1.6; }
.text-button { display: inline-flex; align-items: center; gap: 5px; background: transparent; border: 0; border-radius: 2px; color: var(--brand); padding: 5px 0; margin-top: 4px; font-size: 12px; line-height: 1.8; }
.text-button .icon { width: 15px; height: 15px; }
.text-button:hover { text-decoration: underline; text-underline-offset: 4px; }
.workspace-preview { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); animation: settle .7s var(--ease) both; }
.preview-topline { min-height: 54px; display: flex; justify-content: space-between; align-items: center; padding: 10px 22px; background: var(--ink); color: white; gap: 20px; }
.preview-brand { display: flex; align-items: center; gap: 9px; font-size: 11px; }
.preview-brand .brand-logo { width: 25px; height: 25px; border-radius: 6px; }
.preview-brand strong { font-size: 12px; font-weight: 550; }
.preview-brand > span { color: oklch(0.78 0.005 35); }
.preview-label { color: oklch(0.78 0.005 35); font-size: 10px; }
.workspace-image { width: 100%; height: auto; max-height: 475px; object-fit: cover; object-position: top; }
.preview-caption { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; color: var(--muted); font-size: 11px; }
.preview-caption a { display: inline-flex; align-items: center; gap: 5px; }
.preview-caption .icon { width: 13px; height: 13px; }
.features-section { padding-block: 100px 80px; }
.section-intro { display: flex; justify-content: space-between; align-items: end; gap: 35px; margin-bottom: 38px; }
h2 { font-size: clamp(30px, 3.1vw, 42px); line-height: 1.4; font-weight: 680; letter-spacing: -.03em; }
.section-intro > p { color: var(--muted); font-size: 13px; line-height: 1.9; padding-bottom: 6px; }
.feature-tabs { display: flex; gap: 10px; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.feature-tabs button { display: flex; align-items: center; gap: 11px; border: 0; border-radius: 5px; padding: 14px 18px; background: transparent; color: var(--muted); font-size: 14px; transition: color .2s, background .2s; }
.feature-tabs button:hover { background: var(--tint); color: var(--ink); }
.feature-tabs [aria-selected="true"] { background: var(--ink); color: white; }
.feature-tabs [aria-selected="true"]:hover { background: var(--ink); color: white; }
.tab-arrow { width: 14px; height: 14px; margin-left: 12px; }
.feature-panel { display: grid; grid-template-columns: 1.3fr 1fr; gap: 55px; padding: 43px 0 36px; }
.feature-story h3 { font-size: 26px; line-height: 1.5; font-weight: 600; letter-spacing: -.02em; }
.feature-story p { font-size: 14px; line-height: 1.9; color: var(--muted); margin-top: 15px; max-width: 40ch; }
.feature-story a { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 550; color: var(--brand); margin-top: 26px; }
.feature-story a .icon { width: 15px; height: 15px; }
.feature-points { list-style: none; padding: 0; margin: 0; align-self: center; }
.feature-points li { display: flex; align-items: center; gap: 13px; font-size: 14px; padding-block: 18px; border-bottom: 1px solid var(--line); }
.feature-points li:first-child { border-top: 1px solid var(--line); }
.feature-points .icon { color: var(--brand); width: 17px; height: 17px; }
.feature-note { font-size: 11px; line-height: 1.8; color: var(--muted); }
.download-section { background: var(--ink); color: white; padding-block: 78px; }
.download-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; }
.download-brand { display: flex; align-items: center; gap: 11px; font-size: 15px; margin-bottom: 30px; }
.download-brand .brand-logo { width: 34px; height: 34px; }
.download-copy h2 { font-size: 40px; line-height: 1.4; }
.download-copy > p:not(.platform-note):not(.mobile-note) { color: oklch(0.79 0.005 35); font-size: 14px; line-height: 1.9; margin-block: 18px 27px; }
.download-copy .primary { background: var(--bright); color: var(--ink); }
.download-copy .primary:hover { background: white; }
.download-copy .primary:disabled { color: oklch(0.8 0 0); background: oklch(0.33 0.008 35); }
.download-copy .platform-note, .mobile-note { color: oklch(0.77 0.005 35); }
.mobile-note { font-size: 12px; margin-top: 16px; }
.release-details { align-self: center; }
.release-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid oklch(0.42 0.005 35); padding-top: 22px; }
.release-top h3 { font-size: 14px; font-weight: 500; }
.release-status { font-size: 10px; padding: 4px 7px; color: var(--bright); border: 1px solid oklch(0.45 0.014 35); border-radius: 3px; }
.release-version { font-size: 37px; margin-block: 22px; letter-spacing: -.03em; font-weight: 500; font-variant-numeric: tabular-nums; }
.release-facts { margin: 0; color: oklch(0.79 0.005 35); font-size: 12px; }
.release-facts > div { display: flex; justify-content: space-between; gap: 20px; padding-block: 9px; }
.release-facts dd { margin: 0; text-align: right; }
.release-notes { margin-top: 22px; border-top: 1px solid oklch(0.38 0.005 35); padding-top: 22px; }
.release-notes h4 { font-size: 12px; font-weight: 500; margin-bottom: 12px; }
.release-notes p { white-space: pre-wrap; font-size: 12px; color: oklch(0.79 0.005 35); line-height: 1.9; max-height: 150px; overflow-y: auto; overflow-wrap: anywhere; }
.download-section .text-button { color: var(--bright); }
.download-assurance { display: flex; align-items: start; gap: 8px; font-size: 10px; line-height: 1.8; margin-top: 24px; color: oklch(0.74 0.005 35); }
.download-assurance .icon { width: 14px; height: 14px; margin-top: 2px; }
.checksum { color: oklch(0.8 0 0); font-size: 11px; margin-top: 22px; }
.checksum summary { display: flex; align-items: center; gap: 9px; padding-block: 4px; cursor: pointer; }
.checksum .icon { width: 13px; height: 13px; }
.checksum code { display: block; overflow-wrap: anywhere; padding-top: 12px; font-size: 11px; line-height: 1.8; }
.checksum [data-copy-status] { padding-left: 9px; font-size: 10px; }
.guide-section { padding-block: 100px 88px; }
.install-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 46px; }
.install-steps li { padding-top: 24px; border-top: 1px solid var(--line); }
.step-number { display: block; color: var(--brand); font-size: 14px; font-weight: 600; margin-bottom: 25px; }
.install-steps h3 { font-size: 19px; font-weight: 600; }
.install-steps p { color: var(--muted); font-size: 13px; line-height: 1.9; margin-top: 12px; }
.faq-section { display: grid; grid-template-columns: 1fr 1.25fr; gap: 80px; padding-block: 30px 90px; }
.faq-section h2 { font-size: 29px; }
.faq-section > div > p { font-size: 13px; color: var(--muted); margin-top: 15px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
summary { list-style: none; }
summary::-webkit-details-marker { display: none; }
.faq-list summary { display: flex; justify-content: space-between; gap: 25px; align-items: center; cursor: pointer; padding-block: 22px; font-size: 14px; }
.faq-list .icon { color: var(--muted); width: 17px; height: 17px; transition: transform .2s; }
details[open] > summary .icon { transform: rotate(45deg); }
.faq-list p { font-size: 13px; line-height: 1.9; color: var(--muted); padding-bottom: 24px; }
.site-footer { border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-block: 28px; }
.footer-brand .brand-logo { width: 29px; height: 29px; border-radius: 7px; }
.footer-brand > span { font-size: 17px; }
.site-footer p, .site-footer > a:last-child { font-size: 11px; color: var(--muted); }
.site-footer > a:last-child { display: flex; align-items: center; gap: 5px; }
.site-footer .icon { width: 14px; height: 14px; }
.error-page { width: min(600px, calc(100% - 40px)); margin: 100px auto; }
.error-page h1 { font-size: 36px; }
.error-page p { margin-block: 22px; line-height: 1.9; }
.noscript { padding: 24px; background: var(--tint); text-align: center; }
@keyframes settle { from { transform: translateY(12px); } to { transform: translateY(0); } }
@media (min-width: 1650px) { .container { width: min(1340px, calc(100% - 140px)); } .hero { padding-top: 85px; } h1 { font-size: 68px; } .workspace-image { max-height: 510px; } }
@media (max-width: 1000px) { .container { width: calc(100% - 48px); } .hero-intro { grid-template-columns: 1.4fr 1fr; gap: 25px; } h1 { font-size: 44px; } nav { gap: 20px; } .download-grid { gap: 60px; } .hero-action > p:first-child { font-size: 13px; } .feature-tabs button { padding-inline: 14px; } .tab-arrow { margin-left: 2px; } .faq-section { gap: 45px; } }
@media (max-width: 760px) { .container { width: calc(100% - 40px); } .header-inner { min-height: 77px; gap: 16px; } nav { display: none; } .brand-logo { width: 34px; height: 34px; } .brand > span { font-size: 20px; } .brand small { font-size: 9px; } .header-cta { min-height: 36px; font-size: 11px; gap: 7px; padding: 9px 12px; } .hero { padding-top: 42px; } .hero-intro { grid-template-columns: 1fr; gap: 28px; padding-bottom: 30px; } h1 { font-size: clamp(32px, 7.1vw, 48px); line-height: 1.35; } .hero-label { margin-bottom: 20px; font-size: 11px; } .hero-action > p:first-child { font-size: 14px; margin-bottom: 21px; } .wide-break { display: none; } .preview-topline { min-height: 43px; padding: 8px 12px; } .preview-brand > span { display: none; } .preview-label { font-size: 9px; } .workspace-image { height: auto; min-height: 195px; object-fit: cover; object-position: top left; } .preview-caption { gap: 8px; font-size: 10px; line-height: 1.7; } .preview-caption > a { white-space: nowrap; } .features-section { padding-block: 60px 50px; } .section-intro { display: block; margin-bottom: 26px; } .section-intro > p { margin-top: 17px; font-size: 12px; } .section-intro > p br { display: none; } h2 { font-size: 30px; } .feature-tabs { gap: 5px; justify-content: space-between; padding-bottom: 12px; } .feature-tabs button { flex: 1 1 auto; justify-content: center; gap: 6px; padding: 12px 7px; font-size: 12px; } .feature-tabs button > .icon { width: 16px; height: 16px; } .feature-tabs .tab-arrow { display: none; } .feature-panel { grid-template-columns: 1fr; gap: 25px; padding-block: 28px; } .feature-story h3 { font-size: 24px; } .feature-story p { font-size: 13px; } .feature-story a { margin-top: 18px; } .feature-points li { padding-block: 15px; font-size: 13px; } .feature-note { font-size: 10px; } .download-section { padding-block: 48px; } .download-grid { grid-template-columns: 1fr; gap: 46px; } .download-copy h2 { font-size: 34px; } .download-brand { margin-bottom: 23px; } .download-copy > p:not(.platform-note):not(.mobile-note) { font-size: 13px; } .release-version { font-size: 32px; } .guide-section { padding-block: 60px; } .install-steps { grid-template-columns: 1fr; gap: 24px; } .install-steps li { display: grid; grid-template-columns: 35px 1fr; gap: 0 12px; padding-top: 22px; } .step-number { grid-row: span 2; margin: 0; padding-top: 3px; } .install-steps p { grid-column: 2; font-size: 12px; margin-top: 9px; } .install-steps h3 { font-size: 17px; } .faq-section { grid-template-columns: 1fr; gap: 26px; padding-block: 10px 55px; } .faq-section h2 { font-size: 27px; } .faq-section > div > p { font-size: 12px; } .faq-list summary { font-size: 13px; padding-block: 20px; } .faq-list p { font-size: 12px; } .site-footer { flex-wrap: wrap; gap: 20px; } .site-footer > p { order: 3; width: 100%; } }
@media (max-width: 370px) { .container { width: calc(100% - 28px); } .header-cta { font-size: 10px; padding-inline: 8px; } .header-cta .icon { display: none; } .feature-tabs button { font-size: 11px; gap: 4px; padding-inline: 6px; } .feature-tabs button > .icon { width: 13px; height: 13px; } .preview-caption > a { display: none; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }