@charset "UTF-8";

:root {
  color-scheme: dark;
  --color-primary: #F25C36;
  --color-secondary: #232B3A;
  --color-deep: #080A0E;
  --color-bg: #0E1117;
  --color-surface: #161B24;
  --color-text: #F1F5F9;
  --color-muted: #94A3B8;
  --color-accent: #38BDF8;
  --line: rgba(148, 163, 184, .16);
  --line-strong: rgba(148, 163, 184, .25);
  --radius-small: 7px;
  --radius-card: 10px;
  --page-width: 1240px;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--color-bg); }
body { margin: 0; min-width: 320px; background: var(--color-bg); color: var(--color-text); font-size: 15px; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
a:hover { color: #fff; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 9px 14px; transform: translateY(-150%); background: var(--color-primary); color: #fff; border-radius: 6px; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; z-index: 50; top: 0; background: rgba(8, 10, 14, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.header-inner { width: min(var(--page-width), calc(100% - 48px)); min-height: 76px; margin: 0 auto; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand img { width: 42px; height: 42px; object-fit: contain; border-radius: 9px; }
.brand-copy { display: grid; line-height: 1.25; }
.brand-copy strong { font-size: 19px; letter-spacing: .02em; }
.brand-copy small { margin-top: 4px; color: var(--color-muted); font-size: 11px; }
.main-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; height: 76px; }
.main-nav a { position: relative; display: inline-flex; align-items: center; height: 100%; color: var(--color-muted); font-size: 14px; transition: color .2s ease; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-text); }
.main-nav a[aria-current="page"]::after { position: absolute; content: ""; height: 2px; left: 0; right: 0; bottom: 0; background: var(--color-primary); }
.header-download { padding: 9px 13px; border: 1px solid rgba(56, 189, 248, .32); border-radius: 6px; color: var(--color-accent); font-size: 13px; white-space: nowrap; }
.header-download span { margin-left: 5px; }
.page-shell { width: min(var(--page-width), calc(100% - 48px)); margin: 0 auto; }
.search-hub { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr); gap: 28px 54px; align-items: center; padding: 42px 0 30px; border-bottom: 1px solid var(--line); }
.hub-copy { max-width: 650px; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--color-accent); font-size: 12px; font-weight: 650; letter-spacing: .06em; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 12px rgba(242, 92, 54, .65); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 12px 0 11px; font-size: clamp(27px, 3vw, 38px); line-height: 1.25; letter-spacing: -.035em; font-weight: 760; }
.hub-copy > p { max-width: 620px; margin-bottom: 20px; color: var(--color-muted); font-size: 14px; }
.hub-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; gap: 10px; padding: 9px 16px; border: 1px solid transparent; border-radius: var(--radius-small); font-size: 13px; font-weight: 650; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--color-primary); }
.button-primary:hover { background: #ff704c; }
.button-quiet { color: var(--color-text); background: #1a202b; border-color: var(--line); }
.button-outline { color: var(--color-accent); border-color: rgba(56, 189, 248, .4); background: rgba(56, 189, 248, .06); }
.search-form { align-self: end; padding: 17px; background: var(--color-surface); border: 1px solid var(--line); border-radius: var(--radius-card); }
.search-form label { display: block; margin-bottom: 9px; font-size: 13px; font-weight: 650; }
.search-control { display: flex; align-items: center; min-height: 46px; padding: 4px 5px 4px 12px; background: #0e131c; border: 1px solid var(--line-strong); border-radius: 7px; }
.search-symbol { color: var(--color-accent); font-size: 25px; line-height: 1; }
.search-control input { min-width: 0; flex: 1; padding: 8px 10px; color: var(--color-text); background: transparent; border: 0; outline: 0; font-size: 13px; }
.search-control input::placeholder { color: #687589; }
.search-control button { padding: 8px 15px; color: #fff; background: var(--color-primary); border: 0; border-radius: 5px; cursor: pointer; font-size: 13px; }
.search-note { margin: 8px 0 0; color: #748196; font-size: 11px; }
.hub-side { grid-column: 1 / -1; display: flex; align-items: center; gap: 13px; padding: 13px 16px; border: 1px solid rgba(56, 189, 248, .18); border-radius: 8px; background: linear-gradient(90deg, rgba(56, 189, 248, .07), rgba(22, 27, 36, .3)); }
.side-label { padding: 4px 8px; color: var(--color-accent); background: rgba(56, 189, 248, .1); border-radius: 4px; font-size: 11px; }
.hub-side strong { font-size: 13px; }
.hub-side p { margin: 0; color: var(--color-muted); font-size: 12px; }
.hub-side a { margin-left: auto; color: var(--color-accent); font-size: 12px; white-space: nowrap; }
.category-nav { display: flex; align-items: center; gap: 8px; padding: 19px 0 17px; overflow-x: auto; scrollbar-width: thin; }
.category-nav a { flex: 0 0 auto; min-width: 66px; padding: 7px 15px; color: #aab5c5; background: var(--color-secondary); border: 1px solid transparent; border-radius: 5px; text-align: center; font-size: 12px; transition: .2s ease; }
.category-nav a:hover { border-color: rgba(242, 92, 54, .5); color: #fff; }
.category-nav a.active { color: #fff; background: rgba(242, 92, 54, .16); border-color: rgba(242, 92, 54, .55); }
.catalog-section { padding: 15px 0 8px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 17px; }
.section-heading h2, .guide-heading h2 { margin: 5px 0 4px; font-size: 23px; line-height: 1.35; letter-spacing: -.025em; }
.section-heading p, .guide-heading > p { margin: 0; color: var(--color-muted); font-size: 12px; }
.result-count { padding: 5px 9px; color: var(--color-muted); background: #171e29; border: 1px solid var(--line); border-radius: 4px; font-size: 11px; white-space: nowrap; }
.poster-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 17px 15px; }
.poster-card { min-width: 0; overflow: hidden; background: var(--color-surface); border: 1px solid var(--line); border-radius: var(--radius-card); transition: border-color .2s ease, transform .2s ease; }
.poster-card:hover { transform: translateY(-3px); border-color: rgba(56, 189, 248, .36); }
.poster-link { display: block; height: 100%; }
.poster-media { position: relative; aspect-ratio: 2 / 3; overflow: hidden; background: #202938; }
.poster-media::after { position: absolute; inset: 35% 0 0; content: ""; background: linear-gradient(180deg, transparent, rgba(5, 8, 13, .72)); pointer-events: none; }
.poster-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.poster-card:hover .poster-media img { transform: scale(1.035); }
.poster-status { position: absolute; z-index: 1; top: 9px; left: 9px; padding: 3px 7px; color: #fff; background: rgba(8, 10, 14, .78); border: 1px solid rgba(255, 255, 255, .12); border-radius: 4px; font-size: 10px; }
.poster-open { position: absolute; z-index: 1; right: 10px; bottom: 10px; color: #fff; font-size: 11px; }
.poster-info { padding: 12px 12px 13px; }
.poster-meta { display: flex; justify-content: space-between; gap: 8px; color: var(--color-accent); font-size: 10px; }
.poster-meta span + span { color: #718096; }
.poster-info h3 { margin: 5px 0 5px; font-size: 15px; line-height: 1.45; }
.poster-info p { display: -webkit-box; min-height: 59px; margin: 0 0 10px; overflow: hidden; color: var(--color-muted); font-size: 11px; line-height: 1.65; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
.tag-row { display: flex; flex-wrap: wrap; gap: 5px; }
.tag-row span { padding: 2px 6px; color: #aeb9c8; background: #202938; border-radius: 3px; font-size: 9px; }
.search-feedback { margin: -4px 0 13px; color: var(--color-accent); font-size: 12px; }
.empty-state { padding: 55px 20px; border: 1px dashed var(--line-strong); border-radius: 10px; text-align: center; }
.empty-icon { display: inline-grid; width: 46px; height: 46px; place-items: center; color: var(--color-accent); background: rgba(56, 189, 248, .1); border-radius: 50%; font-size: 27px; }
.empty-state h3 { margin: 13px 0 5px; font-size: 18px; }
.empty-state p { margin-bottom: 17px; color: var(--color-muted); font-size: 13px; }
.category-rail { padding: 34px 0 8px; }
.compact-heading { margin-bottom: 13px; }
.compact-heading h2 { margin-bottom: 0; }
.category-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.category-card { display: flex; min-width: 0; align-items: center; gap: 11px; padding: 13px 12px; background: var(--color-surface); border: 1px solid var(--line); border-radius: 8px; transition: border-color .2s ease, background .2s ease; }
.category-card:hover { background: #1b2431; border-color: rgba(56, 189, 248, .35); }
.category-mark { display: grid; width: 36px; height: 36px; flex: 0 0 auto; place-items: center; color: var(--color-primary); background: rgba(242, 92, 54, .12); border-radius: 7px; font-size: 17px; font-weight: 750; }
.category-card strong, .category-card small { display: block; }
.category-card strong { font-size: 13px; }
.category-card small { margin-top: 2px; overflow: hidden; color: var(--color-muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.category-arrow { margin-left: auto; color: #64748b; }
.device-banner { display: flex; align-items: center; gap: 25px; margin: 35px 0 27px; padding: 22px 25px; background: linear-gradient(105deg, #192331, #151b25 62%, #18202b); border: 1px solid rgba(56, 189, 248, .23); border-radius: 10px; }
.device-art { position: relative; width: 90px; height: 66px; flex: 0 0 auto; }
.device-screen { position: absolute; top: 3px; left: 3px; width: 69px; height: 47px; border: 3px solid #7890a8; border-radius: 5px; background: linear-gradient(135deg, rgba(56, 189, 248, .28), rgba(242, 92, 54, .2)); }
.device-screen::after { position: absolute; bottom: -10px; left: 27px; width: 10px; height: 7px; content: ""; background: #7890a8; }
.device-phone { position: absolute; right: 2px; bottom: 1px; width: 27px; height: 48px; border: 2px solid #a6b7c9; border-radius: 6px; background: #182433; box-shadow: 0 0 0 3px #192331; }
.device-phone::after { position: absolute; bottom: 3px; left: 10px; width: 4px; height: 4px; content: ""; border-radius: 50%; background: #a6b7c9; }
.device-copy { flex: 1; }
.device-copy h2 { margin: 4px 0 5px; font-size: 20px; }
.device-copy p { max-width: 690px; margin: 0; color: var(--color-muted); font-size: 12px; }
.about-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 20px 0 42px; border-top: 1px solid var(--line); }
.about-strip > div { position: relative; padding-left: 39px; }
.about-number { position: absolute; top: 0; left: 0; color: var(--color-primary); font-size: 11px; font-weight: 750; }
.about-strip strong { font-size: 13px; }
.about-strip p { margin: 3px 0 0; color: var(--color-muted); font-size: 11px; }
.site-footer { background: var(--color-deep); border-top: 1px solid var(--line); }
.footer-inner { width: min(var(--page-width), calc(100% - 48px)); margin: 0 auto; padding: 25px 0 19px; }
.footer-brand > a { font-size: 17px; font-weight: 750; }
.footer-brand p { margin: 3px 0 14px; color: var(--color-muted); font-size: 11px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; padding: 12px 0 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.footer-links a { color: #a4afbf; font-size: 11px; }
.footer-links a:hover { color: var(--color-accent); }
.copyright { margin: 12px 0 0; color: #657286; font-size: 10px; }
.breadcrumbs { display: flex; align-items: center; gap: 10px; padding: 22px 0; color: #718096; font-size: 12px; }
.breadcrumbs a { color: var(--color-accent); }
.download-intro { max-width: 780px; padding: 20px 0 27px; }
.download-intro h1 { margin-top: 8px; }
.download-intro > p { max-width: 720px; margin: 0; color: var(--color-muted); font-size: 14px; }
.download-platforms { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 17px; }
.download-platforms span { padding: 5px 10px; color: var(--color-accent); background: rgba(56, 189, 248, .08); border: 1px solid rgba(56, 189, 248, .2); border-radius: 4px; font-size: 11px; }
.download-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.download-card { padding: 22px; background: var(--color-surface); border: 1px solid var(--line); border-radius: 10px; }
.download-card-top { display: flex; align-items: center; justify-content: space-between; }
.download-icon { display: grid; width: 47px; height: 47px; place-items: center; color: var(--color-primary); background: rgba(242, 92, 54, .12); border: 1px solid rgba(242, 92, 54, .2); border-radius: 9px; font-size: 19px; font-weight: 750; }
.platform-pill { padding: 4px 8px; color: var(--color-accent); background: rgba(56, 189, 248, .08); border-radius: 4px; font-size: 10px; }
.download-card h2 { margin: 17px 0 2px; font-size: 21px; }
.download-alias { margin: 0 0 10px !important; color: var(--color-accent) !important; font-size: 12px !important; }
.download-card > p { min-height: 43px; margin: 0; color: var(--color-muted); font-size: 12px; }
.download-unavailable { display: grid; gap: 4px; margin-top: 19px; padding: 12px 13px; background: rgba(242, 92, 54, .07); border: 1px solid rgba(242, 92, 54, .2); border-radius: 7px; }
.download-unavailable strong { color: #ff9b7f; font-size: 12px; }
.download-unavailable span { color: var(--color-muted); font-size: 10px; }
.install-guide { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; padding: 43px 0; }
.guide-heading h2 { margin-top: 7px; }
.guide-list { display: grid; gap: 12px; }
.guide-list article { display: flex; gap: 14px; padding: 13px 15px; background: #141a23; border: 1px solid var(--line); border-radius: 8px; }
.guide-list article > span { color: var(--color-primary); font-size: 12px; font-weight: 750; }
.guide-list h3 { margin: 0 0 3px; font-size: 13px; }
.guide-list p { margin: 0; color: var(--color-muted); font-size: 11px; }
.back-to-catalog { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 42px; padding: 20px 22px; background: #171f2b; border: 1px solid var(--line); border-radius: 9px; }
.back-to-catalog h2 { margin: 0 0 3px; font-size: 17px; }
.back-to-catalog p { margin: 0; color: var(--color-muted); font-size: 11px; }

@media (min-width: 1100px) {
  .poster-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .header-inner, .page-shell, .footer-inner { width: min(100% - 36px, var(--page-width)); }
  .search-hub { gap: 23px; grid-template-columns: 1fr 1fr; }
  .poster-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .category-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .install-guide { grid-template-columns: 1fr; gap: 18px; }
}
@media (max-width: 640px) {
  body { font-size: 14px; }
  .header-inner { width: calc(100% - 28px); min-height: 64px; gap: 12px; }
  .brand img { width: 36px; height: 36px; }
  .brand-copy strong { font-size: 17px; }
  .brand-copy small { font-size: 9px; }
  .main-nav { height: 64px; gap: 13px; }
  .main-nav a { font-size: 11px; }
  .header-download { display: none; }
  .page-shell, .footer-inner { width: calc(100% - 28px); }
  .search-hub { display: flex; flex-direction: column; align-items: stretch; gap: 18px; padding: 28px 0 20px; }
  h1 { font-size: 27px; }
  .hub-copy > p { font-size: 13px; }
  .search-form { padding: 13px; }
  .hub-side { display: grid; grid-template-columns: auto 1fr; gap: 5px 9px; }
  .hub-side p { grid-column: 2; }
  .hub-side a { grid-column: 1 / -1; margin: 5px 0 0; }
  .category-nav { margin: 0 -14px; padding: 14px; }
  .section-heading { align-items: start; }
  .section-heading h2, .guide-heading h2 { font-size: 20px; }
  .section-heading p { max-width: 260px; }
  .poster-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
  .poster-info { padding: 10px; }
  .poster-info h3 { font-size: 13px; }
  .poster-info p { min-height: 55px; font-size: 10px; }
  .poster-meta { font-size: 9px; }
  .category-cards { gap: 8px; }
  .category-card { gap: 8px; padding: 10px 8px; }
  .category-card small { max-width: 120px; font-size: 9px; }
  .device-banner { flex-wrap: wrap; gap: 13px; margin: 25px 0 20px; padding: 16px; }
  .device-art { width: 67px; transform: scale(.82); transform-origin: left center; }
  .device-copy { flex: 1 1 calc(100% - 85px); }
  .device-copy h2 { font-size: 17px; }
  .device-copy p { font-size: 11px; }
  .device-banner .button { width: 100%; }
  .about-strip { grid-template-columns: 1fr; gap: 13px; padding-bottom: 27px; }
  .footer-inner { padding-top: 20px; }
  .footer-links { gap: 9px 15px; }
  .download-intro { padding-top: 9px; }
  .download-intro h1 { font-size: 26px; }
  .download-options { grid-template-columns: 1fr; }
  .download-card { padding: 18px; }
  .download-card > p { min-height: auto; }
  .install-guide { padding: 31px 0; }
  .back-to-catalog { align-items: stretch; flex-direction: column; padding: 17px; }
}
@media (max-width: 380px) {
  .main-nav { gap: 9px; }
  .main-nav a { font-size: 10px; }
  .poster-grid { gap: 9px; }
  .poster-info p { -webkit-line-clamp: 2; min-height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}


/* 补充状态与内容可用性细节 */
.search-control:focus-within { border-color: rgba(56, 189, 248, .72); box-shadow: 0 0 0 3px rgba(56, 189, 248, .08); }
.search-control button:hover { background: #ff704c; }
.category-nav a:focus-visible, .footer-links a:focus-visible { outline-offset: 2px; }
.poster-card:focus-within { border-color: rgba(56, 189, 248, .6); }
.poster-link:focus-visible { outline: 0; }
.poster-link:focus-visible .poster-media { box-shadow: inset 0 0 0 3px var(--color-accent); }
.download-card:hover { border-color: rgba(56, 189, 248, .28); }
.download-unavailable strong::before { content: "！"; display: inline-grid; width: 17px; height: 17px; margin-right: 6px; place-items: center; border: 1px solid rgba(255, 155, 127, .55); border-radius: 50%; font-size: 10px; }
.guide-list article:hover { border-color: rgba(56, 189, 248, .25); }
::selection { color: #fff; background: rgba(242, 92, 54, .72); }
@media (min-width: 641px) and (max-width: 760px) {
  .header-inner { gap: 17px; }
  .main-nav { gap: 15px; }
  .header-download { padding-inline: 9px; font-size: 11px; }
  .search-hub { grid-template-columns: 1fr; }
  .search-form { max-width: 620px; }
  .hub-side { grid-column: auto; }
}
@media (orientation: landscape) and (max-height: 520px) and (max-width: 900px) {
  .site-header { position: relative; }
  .search-hub { padding-top: 22px; }
}
@media print {
  :root { color-scheme: light; }
  body { color: #111827; background: #fff; }
  .site-header, .site-footer, .hub-actions, .search-form, .category-nav, .device-banner, .button { display: none !important; }
  .page-shell { width: 100%; }
  .poster-card, .category-card, .download-card, .guide-list article { color: #111827; background: #fff; border: 1px solid #d1d5db; break-inside: avoid; }
  .poster-info p, .section-heading p, .download-card > p, .guide-list p { color: #374151; }
}