@charset "UTF-8";

:root {
    color-scheme: light;
    --paper: #fff;
    --ink: #121212;
    --muted: #626262;
    --line: #dededb;
    --quiet: #f5f5f2;
    --warning: #8a4300;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.7 var(--font); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-underline-offset: .25em; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; }
img, svg { display: block; max-width: 100%; }
img { object-fit: contain; }
h1, h2, h3, h4, h5, p, figure { margin: 0; }
button[disabled] { cursor: not-allowed; }
[hidden] { display: none !important; }
.shell { width: min(1320px, calc(100% - 96px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 2; padding: 10px 18px; background: var(--ink); color: white; transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.site-header { min-height: 112px; display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.brand { flex-shrink: 0; }
.site-header nav { display: flex; align-items: center; gap: 40px; }
.site-header nav a { text-decoration: none; font-size: 14px; font-weight: 600; min-height: 44px; display: inline-flex; align-items: center; gap: 9px; }
.site-header nav a:hover, .source-link:hover { text-decoration: underline; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink); }
.status-dot.is-warning { background: var(--warning); }
.hero { text-align: center; padding-top: 66px; }
.hero-wordmark { width: clamp(270px, 34vw, 480px); height: auto; max-height: 225px; margin: 0 auto 22px; }
.hero h1 { font-size: clamp(25px, 3.05vw, 43px); font-weight: 750; letter-spacing: -.055em; line-height: 1.3; }
.hero-description { margin-top: 15px; font-size: 17px; color: var(--muted); }
.platform-selectors { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.platform-button { border: 2px solid var(--ink); border-radius: 999px; min-height: 52px; padding: 11px 23px; background: var(--ink); color: white; font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 19px; transition: transform .15s ease; }
.platform-button:hover:not(:disabled) { transform: translateY(-2px); }
.platform-button[aria-pressed="true"] { outline: 2px solid var(--ink); outline-offset: 4px; }
.platform-button:disabled { opacity: 1; cursor: default; }
.platform-button span { font-size: 18px; line-height: 1; }
.platform-help { margin: 21px auto 0; max-width: 620px; font-size: 12px; color: var(--muted); }
.filter-status { margin-top: 8px; color: var(--muted); font-size: 12px; min-height: 21px; }
.tool-scenes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px; width: min(960px, 100%); margin: 49px auto 0; padding-bottom: 94px; }
.tool-scenes svg { width: 100%; height: 170px; }
.tool-scenes figcaption { margin-top: 7px; font-size: 13px; font-weight: 600; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 28px; margin-bottom: 40px; }
.section-heading h2 { font-size: clamp(27px, 3vw, 40px); font-weight: 700; letter-spacing: -.055em; line-height: 1.3; }
.section-heading > p { color: var(--muted); font-size: 13px; }
.category + .category { margin-top: 58px; }
.category-title { display: inline-block; padding: 4px 13px; border-radius: 999px; background: var(--quiet); font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.software-row { display: grid; grid-template-columns: minmax(180px, .9fr) minmax(0, 3fr); gap: 44px; padding: 34px 0 38px; border-bottom: 1px solid var(--line); }
.software-identity h4 { font-size: 23px; letter-spacing: -.04em; line-height: 1.3; margin-bottom: 12px; }
.software-identity > p { color: var(--muted); font-size: 13px; max-width: 230px; overflow-wrap: anywhere; }
.source-link { display: inline-block; margin-top: 18px; font-size: 12px; text-decoration: none; min-height: 35px; }
.platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; min-width: 0; }
.platform-grid.is-filtered { grid-template-columns: minmax(0, 1fr); }
.platform-grid.is-filtered > section { max-width: 560px; }
.platform-package h5, .history-platform > h3 { font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.architecture { color: var(--muted); margin-left: 7px; font-size: 11px; font-weight: 400; }
.package-title { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; overflow-wrap: anywhere; }
.package-title strong { font-size: 20px; font-weight: 650; letter-spacing: -.03em; }
.channel { color: var(--muted); font-size: 11px; }
.package-meta { font-size: 11px; color: var(--muted); margin-top: 6px; font-variant-numeric: tabular-nums; }
.package-meta > span { margin-inline: 3px; }
.download-button { display: inline-flex; justify-content: center; align-items: center; gap: 21px; min-height: 44px; padding: 9px 18px; margin-top: 16px; border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: white; font-size: 12px; font-weight: 600; text-decoration: none; }
.download-button:hover { background: #383838; }
.download-button:disabled { color: var(--muted); background: var(--quiet); border-color: var(--line); }
.unavailable-title { font-size: 18px; font-weight: 600; line-height: 34px; }
.package-note { font-size: 12px; color: var(--muted); margin-top: 12px; overflow-wrap: anywhere; }
.checksum { margin-top: 12px; font-size: 11px; }
summary { cursor: pointer; }
.checksum > summary { color: var(--muted); min-height: 30px; padding-block: 5px; }
.checksum code { display: block; padding-block: 9px; overflow-wrap: anywhere; font: 11px/1.8 ui-monospace, SFMono-Regular, Consolas, monospace; user-select: all; }
.copy-button { background: white; border: 1px solid var(--line); border-radius: 999px; min-height: 36px; padding: 6px 12px; font-size: 11px; }
.history-section { margin-top: 126px; margin-bottom: 126px; }
.app-history { border-bottom: 1px solid var(--line); }
.app-history > summary { font-size: 21px; font-weight: 600; padding-block: 23px; }
.history-caption { float: right; font-size: 12px; font-weight: 400; color: var(--muted); padding-top: 7px; }
.app-history > .platform-grid { padding: 14px 0 34px 23px; }
.history-platform .package + .package { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 22px; }
.empty-state { background: var(--quiet); padding: 24px; font-size: 14px; }
.sync-section { background: var(--quiet); padding-block: 69px 64px; }
.sync-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; margin: 0; }
.sync-facts dt { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.sync-facts dd { margin: 0; font-size: 19px; font-weight: 600; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.sync-facts small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.capacity-status { margin-top: 35px; }
.capacity-status h3, .sync-errors h3 { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.capacity-status p, .sync-footnote { font-size: 12px; color: var(--muted); }
.sync-footnote { margin-top: 18px; }
.sync-errors { margin-top: 25px; border-left: 3px solid var(--warning); padding-left: 18px; }
.sync-errors ul { padding-left: 19px; margin: 0; font-size: 13px; overflow-wrap: anywhere; }
.sync-errors li + li { margin-top: 6px; }
.site-footer { padding-block: 47px; display: flex; align-items: center; gap: 28px; }
.site-footer p { font-size: 12px; color: var(--muted); }
.site-footer > a:last-child { margin-left: auto; font-size: 12px; text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }

@media (max-width: 1080px) {
    .shell { width: calc(100% - 56px); }
    .software-row { grid-template-columns: 1fr; gap: 25px; }
    .software-identity > p { max-width: 620px; }
    .software-identity h4 { margin-bottom: 7px; }
    .source-link { margin-top: 10px; }
    .hero { padding-top: 55px; }
    .tool-scenes { gap: 25px; }
}
@media (max-width: 640px) {
    html { scroll-padding-top: 18px; }
    .shell { width: calc(100% - 36px); }
    .site-header { min-height: 86px; gap: 15px; }
    .brand img { width: 82px; height: 40px; }
    .site-header nav { gap: 16px; }
    .site-header nav a { font-size: 11px; gap: 5px; }
    .status-dot { width: 5px; height: 5px; }
    .hero { padding-top: 56px; }
    .hero-wordmark { width: 260px; margin-bottom: 24px; }
    .hero h1 { font-size: clamp(23px, 6.1vw, 34px); letter-spacing: -.06em; }
    .hero-description { font-size: 14px; margin-top: 12px; }
    .platform-selectors { gap: 9px; max-width: 350px; margin: 27px auto 0; }
    .platform-button { min-height: 46px; padding: 10px 17px; gap: 12px; font-size: 12px; }
    .platform-button:first-child { margin-inline: 75px; }
    .platform-help { max-width: 305px; font-size: 11px; line-height: 1.9; }
    .filter-status { font-size: 11px; }
    .tool-scenes { gap: 5px; margin-top: 35px; padding-bottom: 72px; }
    .tool-scenes svg { height: 87px; }
    .tool-scenes figcaption { font-size: 11px; margin-top: 8px; }
    .section-heading { display: block; margin-bottom: 25px; }
    .section-heading h2 { font-size: 29px; }
    .section-heading > p { margin-top: 10px; font-size: 12px; }
    .category + .category { margin-top: 38px; }
    .software-row { padding-block: 25px 30px; gap: 18px; }
    .software-identity h4 { font-size: 24px; }
    .platform-grid { grid-template-columns: 1fr; gap: 25px; }
    .platform-package { border-top: 1px solid var(--line); padding-top: 19px; }
    .platform-package h5 { margin-bottom: 8px; font-size: 14px; }
    .package-title strong { font-size: 20px; }
    .package-meta { font-size: 12px; }
    .package-note, .checksum { font-size: 12px; }
    .download-button { min-height: 46px; padding-inline: 20px; font-size: 13px; }
    .checksum > summary { min-height: 36px; }
    .copy-button { min-height: 44px; font-size: 12px; }
    .history-section { margin-block: 74px; }
    .app-history > summary { font-size: 20px; padding-block: 20px; }
    .history-caption { font-size: 11px; }
    .app-history > .platform-grid { padding-left: 0; }
    .sync-section { padding-block: 45px; }
    .sync-facts { grid-template-columns: 1fr; gap: 23px; }
    .sync-facts dt { margin-bottom: 4px; }
    .sync-facts dd { font-size: 18px; }
    .site-footer { flex-wrap: wrap; gap: 14px 21px; padding-block: 32px; }
    .site-footer img { width: 88px; height: 42px; }
    .site-footer > a:last-child { margin-left: 0; }
}
@media (max-width: 359px) {
    .site-header nav { gap: 10px; }
    .site-header nav a { font-size: 10px; }
    .platform-button { padding-inline: 12px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
}