@charset "UTF-8";

:root {
  color-scheme: light;
  --ink: #252332;
  --muted: #777383;
  --soft: #9692a2;
  --purple: #7861d9;
  --purple-dark: #654cc5;
  --purple-soft: #f1edfc;
  --purple-pale: #faf9fe;
  --line: #eeecf3;
  --radius: 18px;
  --font: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: var(--font); font-size: 15px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
body.search-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: default; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
svg { display: block; flex-shrink: 0; }
button, input { outline: none; }
:focus-visible { outline: 3px solid #a995ed; outline-offset: 5px; }
::selection { background: #e5ddfc; color: #46308e; }
[hidden] { display: none !important; }
.container { width: min(1180px, calc(100% - 80px)); margin-inline: auto; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 20px; z-index: 200; padding: 10px 18px; color: #fff; background: var(--purple); border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { height: 88px; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(238,236,243,.72); position: relative; z-index: 30; }
.header-inner { height: 100%; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand strong { display: block; color: var(--ink); font-size: 18px; letter-spacing: -.6px; line-height: 1.4; font-weight: 730; }
.brand span { display: block; font-size: 10px; letter-spacing: 1.65px; line-height: 1.5; color: var(--soft); font-weight: 500; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 32px; margin-left: auto; }
.desktop-nav a { font-size: 13px; font-weight: 550; color: #676272; transition: color .18s ease; position: relative; padding-block: 12px; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--purple); }
.desktop-nav a.active::after { position: absolute; content: ""; left: 50%; bottom: 3px; width: 4px; height: 4px; border-radius: 50%; background: var(--purple); transform: translateX(-50%); }
.header-actions { display: flex; align-items: center; gap: 16px; margin-left: 14px; }
.icon-button { width: 44px; height: 44px; padding: 12px; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; color: #625d6d; background: transparent; border: 0; border-radius: 8px; transition: background .18s ease, color .18s ease; }
.icon-button:hover { color: var(--purple); background: var(--purple-soft); }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 13px 23px; border-radius: 9px; font-size: 13px; font-weight: 600; line-height: 1.5; border: 1px solid transparent; transition: background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.button, .release-pill, .card-title, .card-description, .page-title, .page-description, .notice { overflow-wrap: anywhere; }
.button:hover { transform: translateY(-2px); }
.button .icon { width: 17px; height: 17px; }
.button.primary { background: var(--purple); border-color: var(--purple); color: #fff; box-shadow: 0 5px 13px #7861d91a; }
.button.primary:hover { background: var(--purple-dark); border-color: var(--purple-dark); box-shadow: 0 7px 18px #7861d926; }
.button.secondary { background: #fff; border-color: #e5e1ec; color: #51495f; }
.button.secondary:hover { border-color: #c9bdee; background: #fdfbff; }
.button.small { min-height: 44px; padding: 10px 16px; font-size: 12px; border-radius: 7px; }
.button.white { background: #fff; color: var(--purple-dark); box-shadow: 0 4px 15px #3b257312; }
.button.white:hover { background: #f6f2ff; }
.mobile-menu-button { display: none; }
.mobile-nav { position: absolute; top: 100%; left: 0; right: 0; padding: 16px 24px 24px; background: white; box-shadow: 0 12px 22px #2720390a; border-bottom: 1px solid var(--line); }
.mobile-nav a { display: block; padding: 11px 10px; color: #655e71; font-size: 14px; border-radius: 7px; }
.mobile-nav a.active, .mobile-nav a:hover { color: var(--purple); background: var(--purple-pale); }

.hero { padding: 70px 0 63px; background: linear-gradient(180deg, #fff 0%, #fff 65%, #fefeff 100%); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 48% 52%; align-items: center; }
.hero-copy { min-width: 0; padding: 0 48px 0 0; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; color: var(--purple); text-transform: uppercase; font-size: 11px; font-weight: 650; letter-spacing: 1.65px; }
.release-pill { display: inline-flex; align-items: center; gap: 8px; border: 1px solid #e6e0f6; border-radius: 100px; background: #faf8ff; color: #776195; font-size: 11px; font-weight: 500; line-height: 1.5; padding: 6px 11px; letter-spacing: .2px; }
.release-pill .icon { height: 12px; width: 12px; }
.release-pill > span { display: inline-flex; align-items: center; gap: 4px; }
.status-dot { height: 5px; width: 5px; border-radius: 100%; background: #8e71d6; box-shadow: 0 0 0 3px #8e71d616; }
.hero h1 { margin: 24px 0 22px; font-size: clamp(44px, 4.35vw, 58px); font-weight: 730; line-height: 1.26; letter-spacing: -2.4px; }
.hero h1 .accent { color: var(--purple); }
.hero-description { margin: 0; max-width: 410px; font-size: 14px; line-height: 1.95; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 29px; }
.hero-actions .button { padding-inline: 22px; }
.platform-note { display: flex; align-items: center; gap: 8px; margin: 16px 0 0; color: #9a94a5; font-size: 10px; line-height: 1.8; letter-spacing: .25px; }
.platform-note .icon { height: 12px; width: 12px; }
.hero-visual { position: relative; min-width: 0; min-height: 421px; padding: 37px 24px 34px; background: #f0ecfc; border-radius: 22px; display: flex; align-items: center; justify-content: center; }
.hero-visual::before { content: ""; position: absolute; height: 170px; width: 170px; right: -53px; top: -41px; border: 1px solid #e3dcf9; border-radius: 50%; pointer-events: none; }
.hero-visual::after { content: ""; position: absolute; height: 82px; width: 82px; left: -34px; bottom: -21px; border: 1px solid #e7e1f9; border-radius: 50%; pointer-events: none; }
.preview-frame { width: 100%; height: 350px; position: relative; z-index: 1; overflow: hidden; border-radius: 10px; border: 1px solid #dad5e8; background: #fff; box-shadow: 0 16px 28px -10px #51416b24, 0 2px 5px #51416b0a; transform: perspective(1300px) rotateY(-2deg); }
.preview-image { width: 100%; height: auto; object-fit: contain; }
.preview-caption { text-align: center; color: #9a8daa; font-size: 10px; position: absolute; bottom: 12px; left: 24px; right: 24px; letter-spacing: .25px; }
.floating-label { z-index: 2; position: absolute; bottom: 35px; left: -23px; display: flex; align-items: center; gap: 8px; padding: 9px 14px; border: 1px solid #ede8f7; background: rgba(255,255,255,.96); border-radius: 9px; color: #686071; font-size: 11px; font-weight: 550; box-shadow: 0 7px 20px #51416b12; }
.floating-label .icon { width: 16px; height: 16px; color: var(--purple); }

.trust-strip { display: grid; grid-template-columns: repeat(4, 1fr); padding: 24px 12px; margin-top: 1px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-item { display: flex; align-items: center; justify-content: center; gap: 13px; position: relative; }
.trust-item + .trust-item::before { content: ""; position: absolute; width: 1px; height: 27px; background: var(--line); left: 0; }
.trust-icon { width: 33px; height: 33px; color: var(--purple); border-radius: 9px; display: flex; align-items: center; justify-content: center; background: #f6f3ff; }
.trust-icon .icon { width: 17px; height: 17px; }
.trust-item strong { display: block; font-size: 12px; font-weight: 600; line-height: 1.7; }
.trust-item p, .trust-item > div span { display: block; margin: 0; font-size: 10px; color: #96909f; line-height: 1.7; }

.section { padding: 65px 0 0; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.section-heading > div { min-width: 0; }
.section-label { margin: 0 0 9px; color: var(--purple); font-size: 10px; font-weight: 650; letter-spacing: 1.8px; text-transform: uppercase; }
.section-title { margin: 0; font-size: 28px; line-height: 1.45; font-weight: 680; letter-spacing: -.65px; }
.section-description { margin: 9px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.text-link { display: inline-flex; align-items: center; flex-shrink: 0; gap: 7px; color: var(--purple); font-size: 12px; font-weight: 550; line-height: 1.7; padding-bottom: 5px; }
.text-link .icon { width: 14px; height: 14px; transition: transform .18s ease; }
.text-link:hover .icon { transform: translateX(3px); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 23px; }
.tutorial-card { min-width: 0; position: relative; display: flex; flex-direction: column; border: 1px solid #eae6f0; border-radius: 13px; overflow: hidden; background: #fff; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.tutorial-card:hover { border-color: #cfbff1; box-shadow: 0 10px 25px #6e568c0c; transform: translateY(-4px); }
.card-art { height: 162px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; background: #f3effd; border-bottom: 1px solid #eee8f6; }
.card-art::before, .card-art::after { content: ""; position: absolute; border-radius: 50%; }
.card-art::before { width: 150px; height: 150px; border: 1px solid #e2d9f7; top: 5px; left: calc(50% - 75px); }
.card-art::after { width: 110px; height: 110px; background: #e9e1fb; top: 24px; left: calc(50% - 55px); opacity: .6; }
.art-symbol { z-index: 2; width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; border-radius: 17px; background: #fff; color: var(--purple); border: 1px solid #e9e1f9; box-shadow: 0 8px 17px #7861d914; transform: rotate(-7deg); }
.art-symbol .icon { width: 29px; height: 29px; stroke-width: 1.5; }
.art-number { position: absolute; top: 15px; left: 17px; font-size: 10px; font-weight: 650; letter-spacing: 1px; color: #ab9cca; }
.art-pill { position: absolute; z-index: 3; right: 32px; bottom: 28px; padding: 5px 10px; line-height: 1.5; font-size: 9px; font-weight: 500; color: #8a6dc1; border-radius: 5px; border: 1px solid #e6ddf6; background: #fcfaff; transform: rotate(5deg); box-shadow: 0 3px 8px #75609108; }
.art-config { background: #edf5f7; border-bottom-color: #e5eef0; }
.art-config::before { border-color: #d5e7ec; }
.art-config::after { background: #dfeef1; }
.art-config .art-symbol { color: #6494a8; border-color: #dae9ef; transform: rotate(7deg); box-shadow: 0 8px 17px #497c9310; }
.art-config .art-number { color: #8caeb8; }
.art-config .art-pill { color: #6695a2; border-color: #d8e8ed; background: #fbfeff; transform: rotate(-4deg); }
.art-fix { background: #fcf3e9; border-bottom-color: #f4e9df; }
.art-fix::before { border-color: #f0dfca; }
.art-fix::after { background: #f7e6d1; }
.art-fix .art-symbol { color: #c89b67; border-color: #efdfcb; transform: rotate(-5deg); box-shadow: 0 8px 17px #aa7c4210; }
.art-fix .art-number { color: #c4aa8d; }
.art-fix .art-pill { color: #b18a5d; border-color: #efdfcc; background: #fffdf9; }
.card-body { min-width: 0; padding: 22px 23px 23px; flex: 1; display: flex; flex-direction: column; }
.tag { display: inline-flex; align-items: center; padding: 3px 7px; border-radius: 4px; color: #8971b4; background: #f5f1fd; font-size: 9px; font-weight: 550; line-height: 1.6; }
.card-meta { display: flex; align-items: center; gap: 9px; font-size: 10px; color: #a39cae; margin-bottom: 11px; }
.card-meta .icon { height: 12px; width: 12px; }
.card-title { margin: 0 0 10px; font-size: 17px; line-height: 1.65; font-weight: 630; letter-spacing: -.2px; }
.card-description { flex: 1; margin: 0; font-size: 13px; line-height: 1.9; color: var(--muted); min-height: 42px; }
.card-arrow { display: flex; align-items: center; gap: 6px; color: #8b70c9; font-size: 10px; font-weight: 550; margin-top: 18px; }
.card-arrow .icon { height: 13px; width: 13px; transition: transform .18s ease; }
.tutorial-card:hover .card-arrow .icon { transform: translateX(3px); }

.article-section { padding-top: 67px; }
.filter-tabs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 18px; }
.filter-tabs button { min-height: 44px; border: 1px solid transparent; padding: 9px 12px; background: transparent; color: #8a8396; font-size: 12px; font-weight: 500; border-radius: 6px; transition: color .18s ease, background .18s ease; }
.filter-tabs button:hover { background: #f7f5fc; color: var(--purple); }
.filter-tabs button[aria-pressed="true"] { color: var(--purple); background: #f1edfc; }
.article-list { border-top: 1px solid var(--line); }
.article-row { display: flex; align-items: center; gap: 23px; padding: 23px 6px; border-bottom: 1px solid var(--line); transition: background .2s ease; }
.article-row:hover { background: #fcfbfe; }
.article-mark { height: 55px; width: 55px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; background: #f3effc; color: #987dca; border: 1px solid #ece5f8; border-radius: 11px; }
.article-mark .icon { height: 22px; width: 22px; }
.article-row:nth-child(3n+2) .article-mark { background: #f0f5f7; color: #85a9b6; border-color: #e6eef0; }
.article-row:nth-child(3n+3) .article-mark { background: #fcf5ee; color: #c1a17b; border-color: #f4eade; }
.article-info { flex: 1; min-width: 0; }
.article-category { font-size: 9px; font-weight: 550; letter-spacing: .3px; color: #a096b0; margin: 0 0 3px; }
.article-row-title { margin: 0; font-size: 16px; font-weight: 600; line-height: 1.7; letter-spacing: -.1px; transition: color .18s ease; }
.article-row:hover .article-row-title { color: var(--purple); }
.article-row-description { margin: 4px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.article-tail { display: flex; align-items: center; gap: 26px; color: #b1a9bd; flex-shrink: 0; }
.article-date { font-size: 10px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.article-tail .icon { width: 16px; height: 16px; }
.filter-empty { color: var(--muted); padding: 42px 20px; text-align: center; font-size: 13px; }

.download-banner { display: flex; align-items: center; gap: 30px; position: relative; overflow: hidden; background: linear-gradient(115deg, #8270d8 0%, #7862cb 100%); color: white; border-radius: 15px; padding: 33px 37px; margin-top: 56px; min-height: 157px; }
.download-banner::before { content: ""; width: 245px; height: 245px; position: absolute; right: 94px; top: -140px; border-radius: 50%; border: 1px solid #ffffff14; pointer-events: none; }
.download-banner::after { content: ""; width: 160px; height: 160px; position: absolute; right: 24px; bottom: -105px; border-radius: 50%; border: 1px solid #ffffff14; pointer-events: none; }
.banner-logo { display: block; flex-shrink: 0; width: 110px; height: 110px; padding: 17px; object-fit: contain; border-radius: 25px; border: 1px solid #ffffff30; background: #ffffff14; }
.banner-logo img { width: 40px; height: 40px; object-fit: contain; }
.banner-logo .icon { width: 30px; height: 30px; }
.banner-copy { flex: 1; min-width: 0; position: relative; z-index: 1; }
.banner-eyebrow { margin: 0 0 5px; color: #dfd7f9; font-size: 9px; letter-spacing: 1.6px; font-weight: 550; text-transform: uppercase; }
.banner-copy h2 { margin: 0; font-size: 24px; font-weight: 650; letter-spacing: -.4px; line-height: 1.5; }
.banner-copy p { margin: 7px 0 0; font-size: 13px; color: #e0d9f5; }
.banner-copy .banner-eyebrow { margin: 0 0 5px; font-size: 9px; }
.banner-actions { display: flex; flex-wrap: wrap; flex-direction: row; justify-content: flex-start; align-items: center; gap: 20px; margin-top: 20px; position: relative; z-index: 1; }
.banner-actions .text-link { color: #f0eaff; font-size: 11px; padding-bottom: 0; }
.banner-actions .text-link:hover { color: #fff; }
.banner-actions .button { min-height: 44px; max-width: 100%; font-size: 12px; padding: 11px 23px; border-radius: 7px; }
.banner-actions > span, .banner-actions > p { margin: 0; color: #ddd4f6; font-size: 9px; }

.faq-grid { display: grid; grid-template-columns: .85fr 1.5fr; gap: 90px; padding-bottom: 65px; }
.faq-intro .section-description { max-width: 270px; }
.faq-intro .text-link { margin-top: 18px; font-size: 11px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; gap: 20px; justify-content: space-between; list-style: none; padding: 17px 2px; font-size: 12px; font-weight: 550; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { display: none; }
.faq-list summary::after { content: "+"; font-size: 19px; font-weight: 350; color: #aba3b8; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; color: var(--purple); }
.faq-list summary:hover { color: var(--purple); }
.faq-answer { padding: 0 24px 17px 2px; color: var(--muted); font-size: 12px; line-height: 1.95; }
.faq-answer p { margin: 0; }
.faq-answer a { color: var(--purple); text-decoration: underline; text-underline-offset: 3px; }

.site-footer { background: #faf9fc; border-top: 1px solid var(--line); padding-top: 37px; color: #8f879c; }
.footer-top { display: flex; justify-content: space-between; gap: 50px; padding-bottom: 32px; }
.footer-brand { max-width: 320px; }
.footer-brand .brand strong { font-size: 16px; color: var(--ink); }
.footer-brand .brand img { width: 31px; height: 31px; }
.footer-brand .brand span { font-size: 8px; letter-spacing: 1.45px; }
.footer-brand p { margin: 13px 0 0; font-size: 10px; line-height: 1.95; }
.footer-columns { display: flex; gap: 77px; padding-top: 5px; }
.footer-column { min-width: 80px; }
.footer-column h3, .footer-column > strong { display: block; margin: 0 0 13px; color: #71677f; font-size: 10px; font-weight: 600; }
.footer-column a { display: block; margin: 7px 0; color: #9990a7; font-size: 10px; line-height: 1.8; }
.footer-column a .icon { display: inline-block; vertical-align: -1px; margin-left: 3px; width: 10px; height: 10px; }
.footer-column a:hover { color: var(--purple); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-block: 17px; border-top: 1px solid #ece8f1; font-size: 9px; line-height: 1.8; color: #a49bad; }
.footer-bottom p { margin: 0; }
.footer-bottom a:hover { color: var(--purple); }

.page-hero { background: linear-gradient(180deg, #fbfaff, #fff); padding: 30px 0 43px; border-bottom: 1px solid var(--line); }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: #a096ad; font-size: 11px; margin-bottom: 28px; }
.breadcrumbs a:hover { color: var(--purple); }
.breadcrumbs .icon { height: 12px; width: 12px; }
.page-lead { max-width: 800px; }
.page-title { font-size: clamp(30px, 3.1vw, 40px); line-height: 1.5; letter-spacing: -1px; font-weight: 680; margin: 10px 0 14px; text-wrap: balance; }
.page-description { font-size: 14px; line-height: 1.95; color: var(--muted); margin: 0; max-width: 710px; }
.page-hero + section.container:not(.section) { padding-top: 32px; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 23px; }
.download-card { background: #fff; padding: 28px 26px; border: 1px solid var(--line); border-radius: var(--radius); min-width: 0; }
.os-icon { display: flex; align-items: center; justify-content: center; width: 62px; height: 62px; background: var(--purple-soft); color: var(--purple); border-radius: 16px; margin-bottom: 18px; }
.os-icon .icon { width: 30px; height: 30px; }
.download-card h2 { margin: 0 0 8px; font-size: 23px; font-weight: 650; }
.download-card > p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.download-options { display: flex; flex-direction: column; gap: 9px; margin-top: 25px; }
.download-option { display: flex; justify-content: space-between; align-items: center; gap: 12px; border: 1px solid #e7e1f2; padding: 12px; font-size: 11px; color: #77638e; border-radius: 7px; line-height: 1.6; transition: background .18s ease, border-color .18s ease; }
.download-option:hover { background: var(--purple-pale); border-color: #cdbfed; }
.download-option .icon { width: 15px; height: 15px; }
.download-option > span { display: grid; gap: 3px; min-width: 0; }
.download-option strong { color: #65527f; font-size: 13px; }
.download-option small { display: block; color: #8c8298; font-size: 11px; }
.notice { border: 1px solid #e8e1f5; background: #f9f6ff; border-radius: 11px; padding: 19px 22px; color: #786887; font-size: 12px; line-height: 1.95; margin: 27px 0 0; }
.notice p { margin: 0; }
.notice strong { color: #655373; }
.notice a, .source-note a { color: var(--purple); text-decoration: underline; text-underline-offset: 3px; }
.source-note { margin: 18px 0; color: #a094ae; font-size: 11px; line-height: 1.8; }
.subsection { margin-block: 45px; }
.subsection > h2 { font-size: 24px; margin: 0 0 20px; }
.prose { max-width: 810px; min-width: 0; overflow-wrap: anywhere; color: #716879; font-size: 14px; line-height: 2; }
.prose h2, .prose h3 { color: var(--ink); }
.prose a { color: var(--purple); text-decoration: underline; text-underline-offset: 4px; }
.prose ul, .prose ol { padding-left: 22px; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 72px; padding-top: 41px; padding-bottom: 70px; align-items: start; }
.article-header { padding: 32px 0 38px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #faf8fe, #fff); }
.article-header .page-title { max-width: 900px; }
.article-header .breadcrumbs { margin-bottom: 23px; }
.article-eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; font-size: 11px; color: #93869f; }
.article-byline { display: flex; flex-wrap: wrap; align-items: center; gap: 17px; color: #a196ad; font-size: 11px; margin-top: 21px; }
.article-byline .icon { height: 13px; width: 13px; }
.article-byline span { display: inline-flex; align-items: center; gap: 5px; }
.article-content { min-width: 0; overflow-wrap: anywhere; font-size: 14px; color: #6c6276; line-height: 2; }
.article-content h2 { color: #3b3049; font-size: 24px; font-weight: 650; line-height: 1.65; margin: 39px 0 16px; letter-spacing: -.3px; scroll-margin-top: 25px; }
.article-content h2:first-child { margin-top: 0; }
.article-content h3 { color: #4c3e5f; font-size: 18px; font-weight: 650; line-height: 1.7; margin: 27px 0 10px; scroll-margin-top: 25px; }
.article-content p { margin: 13px 0; }
.article-content ul, .article-content ol { padding-left: 22px; margin: 15px 0; }
.article-content li { padding-left: 4px; margin: 7px 0; }
.article-content li::marker { color: #9b83c7; }
.article-content a { color: var(--purple); text-decoration: underline; text-underline-offset: 4px; }
.article-content strong { color: #4c405b; font-weight: 600; }
.article-content code { background: #f3eff8; color: #805fa5; border: 1px solid #eae2f3; border-radius: 4px; padding: 1px 5px; font-size: .92em; overflow-wrap: anywhere; }
.article-content pre { background: #f6f3fa; padding: 18px; overflow-x: auto; border: 1px solid #e9e2f2; border-radius: 10px; line-height: 1.8; }
.article-content pre code { padding: 0; border: 0; background: transparent; }
.article-content img { border: 1px solid var(--line); border-radius: 10px; margin: 23px 0; }
.article-content table { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid #eae3f2; border-radius: 10px; overflow: hidden; font-size: 12px; line-height: 1.8; margin: 21px 0; }
.table-scroll { max-width: 100%; overflow-x: auto; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; }
.table-scroll table { min-width: 440px; }
.article-content th { color: #685276; background: #f7f3fc; font-weight: 600; text-align: left; }
.article-content th, .article-content td { padding: 12px 14px; border-bottom: 1px solid #eee8f5; vertical-align: top; }
.article-content tr:last-child td { border-bottom: 0; }
.toc { position: sticky; top: 30px; padding: 22px 21px; border: 1px solid var(--line); border-radius: 11px; background: #fcfbfe; }
.toc h2, .toc h3, .toc > strong { display: block; margin: 0 0 13px; font-size: 12px; font-weight: 600; color: #705f80; }
.toc-link { display: block; min-height: 44px; color: #96869f; font-size: 12px; line-height: 1.9; padding: 10px 0; transition: color .2s ease; }
.toc-link:hover, .toc-link.active { color: var(--purple); }
.toc-link.active { font-weight: 600; }
.article-callout { margin-block: 24px; background: #f8f4ff; border: 1px solid #e8def7; border-left: 3px solid #a689d3; padding: 17px 21px; border-radius: 0 9px 9px 0; color: #7c638f; font-size: 13px; }
.article-callout p { margin: 0; }
.related-links { padding: 22px; border: 1px solid var(--line); border-radius: 10px; margin-top: 39px; }
.related-links h2, .related-links h3 { font-size: 15px; margin: 0 0 12px; }
.related-links a { display: block; font-size: 12px; padding: 4px 0; }
.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.about-card { padding: 27px; border: 1px solid var(--line); border-radius: 13px; background: #fcfbfe; }
.about-card h2 { margin: 0 0 13px; font-size: 19px; font-weight: 650; }
.about-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.95; }
.about-card a { color: var(--purple); }

.search-dialog { border: 1px solid #e7e0f4; border-radius: 16px; padding: 0; width: min(590px, calc(100% - 40px)); max-height: min(660px, calc(100vh - 40px)); max-height: min(660px, calc(100dvh - 40px)); overflow: hidden; color: var(--ink); box-shadow: 0 24px 100px #30253f30; background: #fff; }
.search-dialog::backdrop { background: rgba(35,29,47,.28); backdrop-filter: blur(4px); }
.search-dialog-inner { display: flex; flex-direction: column; max-height: min(660px, calc(100vh - 42px)); max-height: min(660px, calc(100dvh - 42px)); overflow: hidden; padding: 22px; }
.search-top { display: flex; flex-shrink: 0; align-items: center; gap: 14px; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.search-top > .icon { color: var(--purple); }
.search-input { flex: 1; min-width: 0; padding: 9px 3px; border: 0; font-size: 16px; color: var(--ink); background: transparent; }
.search-input::placeholder { color: #ada2b8; }
.search-input:focus-visible { outline: none; }
.search-top:focus-within { border-bottom-color: #b399dc; }
.dialog-close { width: 44px; height: 44px; padding: 13px; border: 0; border-radius: 7px; background: #f5f1fa; color: #9a89aa; }
.dialog-close .icon { width: 18px; height: 18px; }
.dialog-close:hover { color: var(--purple); background: #eee6fa; }
.search-results { flex: 1 1 auto; min-height: 0; padding-top: 15px; max-height: 460px; overflow-y: auto; overscroll-behavior-y: contain; -webkit-overflow-scrolling: touch; }
.search-result { display: block; padding: 14px; border-radius: 8px; transition: background .18s ease; }
.search-result:hover { background: #f8f5fe; }
.search-result h3, .search-result strong { display: block; overflow-wrap: anywhere; font-size: 13px; font-weight: 600; margin: 3px 0 0; }
.search-result p { font-size: 11px; margin: 5px 0 0; color: #a092ab; line-height: 1.8; }
.search-result-label { font-size: 9px; color: var(--purple); text-transform: uppercase; letter-spacing: .6px; }
.search-empty { padding: 40px 14px; color: #9e90aa; font-size: 12px; text-align: center; }
.back-top { position: fixed; bottom: 28px; right: 28px; z-index: 20; background: #fff; color: #8873aa; border: 1px solid #e7dff0; border-radius: 10px; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 14px #51416b0b; transition: background .2s ease, transform .2s ease; }
.back-top:hover { transform: translateY(-3px); background: #f7f3fd; }
.back-top .icon { width: 17px; height: 17px; }

@media (min-width: 1500px) {
  .hero { padding-top: 84px; padding-bottom: 73px; }
}
@media (min-width: 701px) {
  .mobile-nav { display: none; }
}
@media (max-width: 1100px) {
  .container { width: min(1180px, calc(100% - 56px)); }
  .desktop-nav { gap: 22px; }
  .header-inner { gap: 20px; }
  .header-actions { margin-left: 0; gap: 10px; }
  .hero-copy { padding-right: 31px; }
  .hero h1 { font-size: 47px; }
  .hero-visual { min-height: 339px; padding: 29px 19px; }
  .preview-frame { height: 281px; }
  .card-body { padding-inline: 19px; }
  .card-grid { gap: 18px; }
  .footer-columns { gap: 47px; }
  .faq-grid { gap: 55px; }
  .content-layout { grid-template-columns: minmax(0, 1fr) 210px; gap: 42px; }
}
@media (max-width: 860px) {
  .site-header { height: 76px; }
  .desktop-nav { gap: 17px; }
  .desktop-nav a { font-size: 11px; }
  .brand strong { font-size: 16px; }
  .brand span { font-size: 8px; letter-spacing: 1.4px; }
  .brand img { width: 34px; height: 34px; }
  .header-actions .button { display: none; }
  .hero { padding-block: 48px; }
  .hero-grid { grid-template-columns: 46% 54%; }
  .hero-copy { padding-right: 25px; }
  .hero h1 { font-size: 39px; letter-spacing: -1.6px; }
  .hero-description { font-size: 14px; }
  .hero-visual { min-height: 285px; }
  .preview-frame { height: 227px; }
  .hero-actions { gap: 8px; }
  .hero-actions .button { padding-inline: 13px; min-height: 42px; font-size: 11px; }
  .platform-note { font-size: 9px; }
  .floating-label { bottom: 23px; left: -14px; font-size: 9px; padding: 7px 10px; }
  .section-title { font-size: 25px; }
  .card-art { height: 137px; }
  .card-art::before { top: -7px; }
  .card-art::after { top: 12px; }
  .art-pill { right: 15px; bottom: 20px; font-size: 8px; }
  .card-title { font-size: 17px; }
  .card-description { font-size: 13px; }
  .card-body { padding: 17px; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .faq-grid { grid-template-columns: .8fr 1.4fr; gap: 35px; }
  .download-banner { padding: 27px; gap: 22px; }
  .banner-copy h2 { font-size: 21px; }
  .banner-logo { width: 92px; height: 92px; padding: 15px; border-radius: 22px; }
  .banner-logo img { width: 34px; height: 34px; }
  .footer-columns { gap: 30px; }
  .footer-brand { max-width: 250px; }
  .content-layout { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .toc { position: static; grid-row: 1; padding-inline: 17px; }
  .toc-link { display: inline-flex; align-items: center; margin-right: 15px; padding-block: 9px; }
  .download-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .download-card { padding: 22px 18px; }
}
@media (max-width: 700px) {
  .container { width: calc(100% - 40px); }
  .site-header { height: 71px; }
  .header-inner { justify-content: space-between; gap: 12px; }
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; gap: 4px; }
  .brand span { font-size: 10px; letter-spacing: 1px; }
  .mobile-menu-button { display: inline-flex; }
  .hero { padding-block: 40px 38px; }
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-copy { padding: 0; max-width: 500px; }
  .hero h1 { font-size: clamp(37px, 7vw, 47px); letter-spacing: -1.6px; margin: 21px 0 18px; }
  .hero-description { font-size: 14px; max-width: 470px; }
  .hero-actions { margin-top: 23px; gap: 11px; }
  .hero-actions .button { min-height: 44px; padding-inline: 18px; font-size: 12px; }
  .platform-note { font-size: 10px; margin-top: 13px; }
  .hero-visual { min-height: 0; padding: 30px 24px 36px; border-radius: 15px; }
  .preview-frame { height: clamp(190px, 52vw, 315px); transform: none; }
  .floating-label { left: 12px; bottom: 22px; font-size: 10px; }
  .preview-caption { bottom: 8px; font-size: 8px; }
  .trust-strip { grid-template-columns: repeat(2, 1fr); padding-block: 22px; padding-inline: 0; gap: 20px 15px; }
  .trust-item { gap: 10px; justify-content: flex-start; }
  .trust-item + .trust-item::before { display: none; }
  .trust-icon { width: 25px; height: 25px; border-radius: 7px; }
  .trust-icon .icon { width: 14px; height: 14px; }
  .trust-item strong { font-size: 12px; }
  .trust-item p, .trust-item > div span { font-size: 10px; }
  .section { padding-top: 42px; }
  .section-heading { align-items: flex-start; flex-wrap: wrap; margin-bottom: 22px; gap: 12px; }
  .section-title { font-size: 24px; }
  .section-description { font-size: 14px; margin-top: 7px; }
  .section-label { font-size: 9px; margin-bottom: 7px; }
  .text-link { min-height: 44px; font-size: 12px; padding-block: 7px; }
  .card-grid { grid-template-columns: 1fr; gap: 18px; }
  .tutorial-card { display: grid; grid-template-columns: 33% 67%; border-radius: 11px; }
  .card-art { height: 100%; min-height: 190px; border-bottom: 0; border-right: 1px solid #eee8f6; }
  .card-art::before { top: calc(50% - 75px); }
  .card-art::after { top: calc(50% - 55px); }
  .art-symbol { width: 55px; height: 55px; border-radius: 14px; }
  .art-symbol .icon { width: 25px; height: 25px; }
  .art-number { top: 13px; left: 13px; font-size: 9px; }
  .art-pill { right: 13px; bottom: 23px; font-size: 7px; padding: 4px 7px; }
  .card-body { padding: 18px 19px; }
  .card-title { font-size: 17px; }
  .card-description { font-size: 13px; min-height: 0; }
  .card-meta { margin-bottom: 9px; }
  .card-arrow { margin-top: 13px; }
  .article-section .section-heading { align-items: flex-start; flex-wrap: wrap; gap: 14px; }
  .filter-tabs { gap: 4px; }
  .filter-tabs button { padding: 9px 12px; font-size: 12px; }
  .article-row { gap: 15px; padding: 21px 0; }
  .article-mark { height: 44px; width: 44px; border-radius: 9px; }
  .article-mark .icon { width: 19px; height: 19px; }
  .article-row-title { font-size: 16px; }
  .article-row-description { font-size: 14px; }
  .article-tail { gap: 12px; }
  .article-date { display: none; }
  .article-category { font-size: 8px; }
  .download-banner { margin-top: 40px; align-items: flex-start; flex-wrap: wrap; padding: 25px; gap: 18px; border-radius: 12px; }
  .banner-copy { flex-basis: calc(100% - 90px); }
  .banner-copy h2 { font-size: 21px; }
  .banner-copy p { font-size: 13px; }
  .banner-copy .banner-eyebrow { font-size: 9px; }
  .banner-actions { width: 100%; flex-direction: row; justify-content: flex-start; padding-left: 0; gap: 13px; }
  .banner-logo { width: 68px; height: 68px; padding: 10px; border-radius: 16px; }
  .banner-actions > span, .banner-actions > p { font-size: 8px; }
  .faq-grid { grid-template-columns: 1fr; gap: 23px; padding-bottom: 42px; }
  .faq-intro .section-description { max-width: none; }
  .faq-intro .text-link { margin-top: 12px; }
  .faq-list summary { font-size: 12px; padding-block: 16px; }
  .footer-top { flex-direction: column; gap: 26px; padding-bottom: 25px; }
  .footer-brand { max-width: 390px; }
  .footer-brand p { font-size: 12px; }
  .footer-columns { justify-content: space-between; gap: 23px; }
  .footer-column { flex: 1; min-width: 0; }
  .footer-column h3, .footer-column > strong { font-size: 12px; margin-bottom: 10px; }
  .footer-column a { display: flex; align-items: center; min-height: 44px; margin: 0; padding: 8px 0; font-size: 12px; overflow-wrap: anywhere; }
  .footer-bottom { flex-direction: column; gap: 6px; align-items: flex-start; font-size: 11px; }
  .page-hero { padding: 24px 0 33px; }
  .breadcrumbs { margin-bottom: 21px; font-size: 10px; }
  .page-title { font-size: 31px; letter-spacing: -.7px; }
  .page-description { font-size: 13px; }
  .page-hero + section.container:not(.section) { padding-top: 28px; }
  .download-grid { grid-template-columns: 1fr; gap: 18px; }
  .download-card { padding: 26px; }
  .download-card h2 { font-size: 23px; }
  .download-options { margin-top: 20px; }
  .os-icon { width: 54px; height: 54px; margin-bottom: 15px; }
  .notice { font-size: 11px; padding: 17px 19px; }
  .content-layout { grid-template-columns: minmax(0, 1fr); padding-top: 28px; padding-bottom: 45px; }
  .toc { position: static; grid-row: 1; }
  .toc h2, .toc h3, .toc > strong { margin-bottom: 8px; }
  .toc-link { display: inline-flex; align-items: center; margin-right: 15px; padding-block: 9px; font-size: 12px; }
  .article-header { padding-block: 24px 29px; }
  .article-header .page-title { font-size: 29px; line-height: 1.6; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 22px; margin-top: 30px; }
  .article-content h3 { font-size: 17px; }
  .article-content table { font-size: 11px; }
  .article-content th, .article-content td { padding: 9px; }
  .about-grid { grid-template-columns: 1fr; }
  .search-dialog { width: calc(100% - 24px); }
  .search-dialog-inner { padding: 16px; }
  .search-top { gap: 10px; padding-bottom: 12px; }
  .search-result p { font-size: 12px; }
  .back-top { bottom: calc(17px + env(safe-area-inset-bottom, 0px)); right: 15px; }
}
@media (max-width: 480px) {
  .tutorial-card { grid-template-columns: minmax(0, 1fr); }
  .card-art { min-height: 0; height: 145px; border-right: 0; border-bottom: 1px solid #eee8f6; }
  .card-body { padding: 20px; }
  .art-pill { display: block; right: 20px; bottom: 20px; font-size: 9px; }
  .card-meta { flex-wrap: wrap; font-size: 11px; }
  .tag { font-size: 10px; }
  .download-banner { flex-direction: column; gap: 18px; padding: 22px; }
  .banner-copy { flex-basis: auto; width: 100%; }
  .banner-logo { order: -1; width: 56px; height: 56px; }
  .banner-actions .button { width: 100%; padding-inline: 15px; }
  .banner-actions .text-link { font-size: 12px; }
  .article-mark { width: 38px; height: 38px; }
  .article-row { gap: 11px; }
  .article-tail { display: none; }
  .footer-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
  .footer-column:last-child { grid-column: 1 / -1; }
}
@media (max-width: 390px) {
  .container { width: calc(100% - 32px); }
  .hero h1 { font-size: 36px; }
  .hero-visual { padding-inline: 16px; }
  .trust-item { justify-content: flex-start; }
  .card-body { padding-inline: 18px; }
  .section-heading > .text-link { font-size: 12px; }
  .banner-actions { padding-left: 0; }
  .banner-actions > span, .banner-actions > p { font-size: 8px; }
  .footer-columns { gap: 14px; }
}
@media (max-width: 360px) {
  .header-actions .github-link { display: none; }
  .hero h1 { font-size: 34px; }
  .hero-actions .button { width: 100%; }
  .download-card { padding: 22px; }
}
@media (max-height: 480px) {
  .search-dialog { max-height: calc(100vh - 16px); max-height: calc(100dvh - 16px); }
  .search-dialog-inner { max-height: calc(100vh - 18px); max-height: calc(100dvh - 18px); padding: 12px 16px; }
  .search-top { padding-bottom: 8px; }
  .search-results { padding-top: 8px; }
}
@media (pointer: coarse) {
  .text-link { min-height: 44px; padding-block: 7px; }
  .footer-column a { display: flex; align-items: center; min-height: 44px; margin: 0; padding: 8px 0; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .button:hover, .tutorial-card:hover, .back-top:hover { transform: none; }
}