@charset "UTF-8";
:root {
  color-scheme: dark;
  --brand: #F25C36;
  --steel: #232B3A;
  --black: #080A0E;
  --bg: #0E1117;
  --panel: #161B24;
  --text: #F1F5F9;
  --muted: #94A3B8;
  --cyan: #38BDF8;
  --line: rgba(148,163,184,.17);
  --radius-card: 10px;
  --radius-control: 7px;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; color: var(--text); background: var(--bg); line-height: 1.65; font-size: 15px; }
a { color: inherit; text-decoration: none; }
a:hover { color: #fff; }
button, input { font: inherit; }
button, a, input { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
img { display: block; max-width: 100%; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--cyan); color: var(--black); border-radius: 6px; }
.skip-link:focus { top: 12px; }
.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; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(8,10,14,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { width: min(1240px, calc(100% - 40px)); min-height: 70px; margin: auto; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; letter-spacing: .02em; flex: 0 0 auto; }
.brand img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; }
.main-nav { display: flex; align-items: center; gap: 8px; flex: 1; }
.main-nav a { color: var(--muted); padding: 9px 14px; border-radius: 6px; transition: color .18s ease, background .18s ease; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); background: rgba(242,92,54,.13); }
.header-download { color: var(--cyan); border: 1px solid rgba(56,189,248,.38); padding: 8px 13px; border-radius: 7px; font-weight: 650; }
.header-download:hover { background: rgba(56,189,248,.1); }
.page-shell { width: min(1240px, calc(100% - 40px)); margin: 0 auto; padding: 28px 0 64px; }
.intro-panel { display: grid; grid-template-columns: minmax(0,1.6fr) minmax(240px,.8fr); gap: 28px; align-items: center; padding: 27px 30px; border: 1px solid var(--line); border-radius: var(--radius-card); background: linear-gradient(115deg, #171d28 0%, #121720 62%, #171a22 100%); }
.eyebrow { margin: 0 0 8px; color: var(--brand); font-size: 12px; font-weight: 750; letter-spacing: .08em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 12px; font-size: clamp(25px, 3vw, 34px); line-height: 1.3; letter-spacing: -.035em; }
h2 { margin-bottom: 8px; font-size: clamp(20px, 2.2vw, 25px); line-height: 1.35; letter-spacing: -.02em; }
h3 { margin-bottom: 6px; font-size: 16px; line-height: 1.4; }
.intro-description { max-width: 720px; color: var(--muted); margin-bottom: 18px; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button { min-height: 42px; display: inline-flex; justify-content: center; align-items: center; padding: 9px 16px; border: 1px solid transparent; border-radius: var(--radius-control); font-weight: 700; cursor: pointer; transition: transform .16s ease, background .16s ease, border-color .16s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--brand); }
.button-primary:hover { background: #ff704b; }
.button-secondary { color: var(--text); background: #252d3b; border-color: rgba(148,163,184,.18); }
.button-secondary:hover { background: #303a4b; }
.button-cyan { color: #07131b; background: var(--cyan); }
.button-cyan:hover { background: #69d0ff; }
.intro-aside { padding: 18px; background: rgba(8,10,14,.45); border: 1px solid var(--line); border-radius: 9px; }
.aside-label { display: block; margin-bottom: 8px; color: var(--cyan); font-size: 12px; }
.intro-aside strong { display: block; margin-bottom: 7px; font-size: 17px; }
.intro-aside p { color: var(--muted); margin: 0; font-size: 13px; }
.search-section { margin: 22px 0 30px; padding: 17px; border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--panel); }
.search-form { display: flex; gap: 10px; }
.search-form input[type="search"] { min-width: 0; flex: 1; height: 44px; padding: 0 14px; color: var(--text); background: #0e131c; border: 1px solid #303949; border-radius: 7px; outline: none; }
.search-form input[type="search"]:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(56,189,248,.1); }
.search-form input::placeholder { color: #748195; }
.category-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.category-chip { padding: 6px 13px; color: #c6d0df; background: var(--steel); border: 1px solid transparent; border-radius: 5px; font-size: 13px; }
.category-chip:hover { border-color: rgba(56,189,248,.45); color: #fff; }
.category-chip.is-active { color: #fff; background: rgba(242,92,54,.2); border-color: rgba(242,92,54,.55); }
.catalog-section { scroll-margin-top: 92px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 16px; }
.section-heading .eyebrow { margin-bottom: 5px; }
.section-description { margin: 0; color: var(--muted); font-size: 13px; }
.result-count { color: var(--muted); font-size: 13px; white-space: nowrap; padding-bottom: 4px; }
.poster-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 17px 14px; }
.poster-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--panel); transition: border-color .18s ease, transform .18s ease; }
.poster-card:hover { transform: translateY(-3px); border-color: rgba(56,189,248,.4); }
.poster-frame { position: relative; overflow: hidden; aspect-ratio: 2 / 3; background: #202735; }
.poster-frame::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(8,10,14,.58)); pointer-events: none; }
.poster-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.poster-card:hover .poster-frame img { transform: scale(1.035); }
.poster-tag { position: absolute; z-index: 1; left: 9px; bottom: 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: 11px; }
.poster-info { padding: 11px 11px 13px; }
.poster-info h3 { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.poster-meta { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 7px; color: var(--cyan); font-size: 11px; }
.poster-info p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.empty-state { padding: 42px 20px; text-align: center; border: 1px dashed #3a4658; border-radius: var(--radius-card); background: var(--panel); }
.empty-state p { color: var(--muted); }
.device-strip, .download-return { display: flex; justify-content: space-between; align-items: center; gap: 22px; margin-top: 34px; padding: 22px 24px; border: 1px solid rgba(56,189,248,.2); border-radius: var(--radius-card); background: linear-gradient(110deg, rgba(35,43,58,.9), rgba(18,27,38,.92)); }
.device-strip p:last-child, .download-return p { margin: 0; color: var(--muted); }
.device-strip h2, .download-return h2 { margin-bottom: 5px; }
.about-section { margin-top: 34px; }
.about-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.about-grid article { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--panel); }
.about-grid p { margin: 0; color: var(--muted); font-size: 13px; }
.site-footer { border-top: 1px solid var(--line); background: var(--black); }
.footer-inner { width: min(1240px, calc(100% - 40px)); margin: auto; padding: 28px 0 22px; display: grid; grid-template-columns: 1fr auto; gap: 18px; }
.footer-brand p { margin: 9px 0 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; color: var(--muted); font-size: 13px; }
.footer-links a:hover { color: var(--cyan); }
.copyright { grid-column: 1 / -1; margin: 0; padding-top: 14px; border-top: 1px solid var(--line); color: #718096; font-size: 12px; }
.breadcrumbs { display: flex; gap: 9px; margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.breadcrumbs a { color: var(--cyan); }
.download-hero { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-card); background: radial-gradient(circle at 90% 20%, rgba(56,189,248,.12), transparent 35%), #171d28; }
.download-hero h1 { max-width: 760px; }
.download-hero > p:not(.eyebrow) { max-width: 760px; margin-bottom: 20px; color: var(--muted); }
.platform-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-top: 20px; }
.platform-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--panel); }
.platform-icon { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 16px; color: var(--cyan); background: rgba(56,189,248,.1); border: 1px solid rgba(56,189,248,.25); border-radius: 9px; font-size: 20px; font-weight: 800; }
.platform-card p { min-height: 50px; color: var(--muted); }
.availability-badge { display: inline-flex; padding: 5px 9px; color: #ffd2c4; background: rgba(242,92,54,.12); border: 1px solid rgba(242,92,54,.25); border-radius: 5px; font-size: 12px; }
.install-notes { margin-top: 34px; }
.note-list { display: grid; gap: 10px; }
.note-list article { display: flex; gap: 17px; padding: 17px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.note-list article > span { color: var(--brand); font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; }
.note-list h3 { margin-bottom: 4px; }
.note-list p { margin: 0; color: var(--muted); font-size: 13px; }
.download-return { margin-top: 30px; }
@media (max-width: 1000px) {
  .poster-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .intro-panel { grid-template-columns: minmax(0,1.3fr) minmax(220px,.8fr); }
}
@media (max-width: 720px) {
  .header-inner { width: min(100% - 28px,1240px); min-height: 62px; gap: 12px; }
  .brand { font-size: 18px; gap: 7px; }
  .brand img { width: 34px; height: 34px; }
  .main-nav { gap: 0; }
  .main-nav a { padding: 8px 9px; font-size: 13px; }
  .header-download { padding: 7px 9px; font-size: 12px; }
  .page-shell { width: min(100% - 28px,1240px); padding-top: 18px; }
  .intro-panel { grid-template-columns: 1fr; gap: 18px; padding: 21px; }
  .intro-aside { padding: 14px; }
  .poster-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px 10px; }
  .poster-info { padding: 9px; }
  .poster-info h3 { font-size: 14px; }
  .poster-info p { font-size: 11px; }
  .about-grid { grid-template-columns: 1fr; }
  .device-strip, .download-return { align-items: flex-start; flex-direction: column; padding: 19px; }
  .footer-inner { width: min(100% - 28px,1240px); grid-template-columns: 1fr; }
  .footer-links { gap: 14px; }
}
@media (max-width: 430px) {
  .header-inner { flex-wrap: wrap; padding: 9px 0; }
  .brand { flex: 1; }
  .main-nav { order: 3; width: 100%; flex: 1 1 100%; }
  .main-nav a { flex: 1; text-align: center; }
  .header-download { margin-left: auto; }
  .search-section { padding: 12px; }
  .search-form { gap: 7px; }
  .search-form .button { padding-inline: 11px; white-space: nowrap; }
  .poster-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
  .section-heading { align-items: flex-start; }
  .platform-grid { grid-template-columns: 1fr; }
  .download-hero { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

.error-page { min-height: 58vh; display: grid; place-items: center; }
.error-panel { width: min(100%, 620px); padding: 46px 24px; text-align: center; border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--panel); }
.error-code { margin-bottom: 4px; color: var(--brand); font-size: clamp(64px, 12vw, 104px); font-weight: 900; line-height: 1; letter-spacing: -.06em; }
.error-panel h1 { margin: 14px 0 8px; }
.error-panel > p:not(.error-code) { margin-bottom: 22px; color: var(--muted); }