@charset "UTF-8";

:root {
    color-scheme: dark;
    --color-primary: #F25C36;
    --color-secondary: #232B3A;
    --color-deep: #080A0E;
    --color-background: #0E1117;
    --color-panel: #161B24;
    --color-text: #F1F5F9;
    --color-muted: #94A3B8;
    --color-accent: #38BDF8;
    --color-border: rgba(148, 163, 184, .16);
    --radius-small: 7px;
    --radius-card: 10px;
    --content-width: 1240px;
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
    margin: 0;
    min-width: 320px;
    background: var(--color-background);
    color: var(--color-text);
    font-size: 14px;
    line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-accent); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
.container { width: min(var(--content-width), calc(100% - 48px)); margin-inline: auto; }
.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; z-index: 1000; left: 12px; top: 10px; padding: 9px 14px;
    transform: translateY(-150%); border-radius: 6px; background: var(--color-primary); color: white;
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

.site-header {
    position: sticky; top: 0; z-index: 50; height: 68px;
    background: rgba(8, 10, 14, .94); border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(16px);
}
.header-inner {
    width: min(var(--content-width), calc(100% - 48px)); height: 100%; margin: auto;
    display: flex; align-items: center; gap: 38px;
}
.brand-lockup { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-lockup img { width: 38px; height: 38px; object-fit: contain; border-radius: 8px; }
.brand-name { font-size: 20px; font-weight: 800; letter-spacing: -.04em; }
.main-nav { display: flex; align-items: center; gap: 28px; height: 100%; }
.main-nav a { display: inline-flex; align-items: center; height: 100%; color: var(--color-muted); font-weight: 600; position: relative; }
.main-nav a:hover, .main-nav a.is-active { color: var(--color-text); }
.main-nav a.is-active::after { content: ""; position: absolute; height: 2px; left: 0; right: 0; bottom: 0; background: var(--color-primary); }
.header-download {
    margin-left: auto; padding: 8px 14px; border: 1px solid rgba(56,189,248,.34);
    border-radius: var(--radius-small); color: var(--color-accent); font-weight: 700;
}
.header-download span { margin-left: 8px; }

.search-hub { padding-top: 38px; }
.hub-copy { max-width: 800px; }
.eyebrow, .section-kicker {
    margin: 0 0 8px; color: var(--color-accent); font-size: 11px;
    font-weight: 800; letter-spacing: .08em;
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 12px; font-size: clamp(25px, 3.2vw, 38px); line-height: 1.25; letter-spacing: -.04em; }
.hub-description { max-width: 720px; margin-bottom: 20px; color: var(--color-muted); font-size: 14px; }
.hub-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button {
    min-height: 40px; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 9px 16px; border: 1px solid transparent; border-radius: var(--radius-small);
    font-weight: 750; transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.button:hover { transform: translateY(-1px); color: white; }
.button-primary { background: var(--color-primary); color: #fff; }
.button-primary:hover { background: #dc4c2b; }
.button-secondary { background: var(--color-secondary); border-color: var(--color-border); color: var(--color-text); }
.button-secondary:hover { border-color: rgba(56,189,248,.5); }
.search-form {
    display: flex; align-items: center; gap: 12px; max-width: 760px; min-height: 58px;
    margin-top: 25px; padding: 7px 8px 7px 16px; border: 1px solid rgba(56,189,248,.25);
    border-radius: 9px; background: var(--color-panel);
}
.search-icon { color: var(--color-accent); font-size: 25px; line-height: 1; transform: rotate(-15deg); }
.search-form input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--color-text); }
.search-form input::placeholder { color: #738197; }
.search-form button {
    flex: 0 0 auto; padding: 9px 17px; border: 0; border-radius: 6px;
    background: var(--color-primary); color: #fff; font-weight: 750; cursor: pointer;
}
.hub-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 22px; }
.category-tabs { display: flex; flex-wrap: wrap; gap: 7px; }
.category-tab {
    min-width: 54px; padding: 6px 13px; border: 1px solid transparent; border-radius: 5px;
    background: var(--color-secondary); color: #c2ccda; text-align: center; font-size: 12px; font-weight: 700;
}
.category-tab:hover { border-color: rgba(56,189,248,.4); color: var(--color-text); }
.category-tab.is-active { background: rgba(242,92,54,.15); border-color: rgba(242,92,54,.42); color: #ff9276; }
.hub-note { margin: 0; color: var(--color-muted); font-size: 11px; white-space: nowrap; }
.live-dot { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--color-accent); }

.catalog-section { padding-top: 34px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 17px; }
.section-heading h2, .device-copy h2, .install-notes h2, .download-return h2 {
    margin: 0; font-size: 23px; line-height: 1.35; letter-spacing: -.03em;
}
.section-heading .section-kicker { margin-bottom: 3px; }
.section-description { margin: 5px 0 0; color: var(--color-muted); font-size: 12px; }
.count-label { color: var(--color-muted); font-size: 12px; }
.text-link { color: var(--color-accent); font-size: 12px; font-weight: 750; white-space: nowrap; }
.text-link span { margin-left: 5px; }
.media-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px 14px; }
.media-card {
    min-width: 0; overflow: hidden; border: 1px solid var(--color-border);
    border-radius: var(--radius-card); background: var(--color-panel);
    transition: border-color .18s ease, transform .18s ease;
}
.media-card:hover { transform: translateY(-2px); border-color: rgba(56,189,248,.42); }
.media-poster-wrap { position: relative; overflow: hidden; aspect-ratio: 2 / 3; background: #202735; }
.media-poster { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.media-card:hover .media-poster { transform: scale(1.035); }
.media-badge {
    position: absolute; left: 8px; top: 8px; padding: 3px 7px; border-radius: 4px;
    background: rgba(8,10,14,.78); color: #f7c2b4; font-size: 10px; font-weight: 750;
}
.media-card-body { padding: 10px 10px 11px; }
.media-card h3 { overflow: hidden; margin: 0 0 4px; font-size: 14px; line-height: 1.5; text-overflow: ellipsis; white-space: nowrap; }
.media-meta { display: flex; flex-wrap: wrap; gap: 5px 9px; margin: 0 0 6px; color: var(--color-accent); font-size: 10px; }
.media-summary { display: -webkit-box; overflow: hidden; min-height: 42px; margin: 0; color: var(--color-muted); font-size: 11px; line-height: 1.65; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.media-status { margin: 7px 0 0; color: #d0a18e; font-size: 10px; }
.empty-state {
    display: grid; justify-items: center; padding: 54px 20px; border: 1px dashed var(--color-border);
    border-radius: 10px; text-align: center; background: rgba(22,27,36,.5);
}
.empty-symbol { color: var(--color-accent); font-size: 38px; }
.empty-state h3 { margin: 7px 0; font-size: 18px; }
.empty-state p { color: var(--color-muted); }
.category-section { padding-top: 35px; }
.compact-heading { margin-bottom: 15px; }
.media-grid-small { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.device-strip {
    display: flex; align-items: center; justify-content: space-between; gap: 30px;
    margin-top: 38px; margin-bottom: 48px; padding: 25px 28px;
    border: 1px solid rgba(56,189,248,.2); border-radius: 10px;
    background: linear-gradient(110deg, rgba(35,43,58,.92), rgba(22,27,36,.88));
}
.device-copy { max-width: 720px; }
.device-copy h2 { margin-bottom: 7px; font-size: 21px; }
.device-copy p:last-child { margin: 0; color: var(--color-muted); font-size: 12px; }
.button-device { flex: 0 0 auto; background: var(--color-accent); color: #07131b; }
.button-device:hover { background: #74d4ff; color: #07131b; }

.site-footer { border-top: 1px solid var(--color-border); background: var(--color-deep); }
.footer-inner { width: min(var(--content-width), calc(100% - 48px)); margin: auto; padding: 27px 0 18px; }
.footer-brand { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand p { max-width: 520px; margin: 0; color: var(--color-muted); font-size: 11px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; padding: 18px 0; color: #b3bfce; font-size: 11px; }
.copyright { margin: 0; padding-top: 13px; border-top: 1px solid var(--color-border); color: #718096; font-size: 10px; }

.download-main { padding-bottom: 48px; }
.download-intro { padding-top: 54px; padding-bottom: 30px; }
.download-intro h1 { max-width: 800px; }
.download-lead { max-width: 760px; margin: 0 0 17px; color: var(--color-muted); font-size: 14px; }
.download-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.download-card {
    padding: 25px; border: 1px solid var(--color-border); border-radius: 10px;
    background: var(--color-panel);
}
.download-card-tv { border-color: rgba(56,189,248,.26); }
.device-icon {
    display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 20px;
    border-radius: 9px; background: rgba(56,189,248,.1); color: var(--color-accent); font-size: 26px;
}
.download-card .section-kicker { margin-bottom: 5px; }
.download-card h2 { margin: 0 0 10px; font-size: 23px; }
.download-card > p:not(.section-kicker) { min-height: 50px; margin-bottom: 17px; color: var(--color-muted); font-size: 12px; }
.feature-list { display: grid; gap: 8px; margin: 0 0 20px; padding: 0; list-style: none; color: #c5cfdd; font-size: 12px; }
.feature-list li::before { content: "•"; margin-right: 9px; color: var(--color-accent); }
.download-unavailable { display: grid; gap: 3px; padding: 12px 14px; border: 1px solid rgba(242,92,54,.22); border-radius: 7px; background: rgba(242,92,54,.07); }
.download-unavailable strong { color: #ffab95; font-size: 12px; }
.download-unavailable span { color: var(--color-muted); font-size: 11px; }
.install-notes { padding-top: 42px; }
.install-notes > div:first-child { margin-bottom: 17px; }
.note-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.note-grid article { padding: 19px; border: 1px solid var(--color-border); border-radius: 9px; background: rgba(22,27,36,.7); }
.note-number { color: var(--color-primary); font-size: 12px; font-weight: 800; }
.note-grid h3 { margin: 7px 0 5px; font-size: 15px; }
.note-grid p { margin: 0; color: var(--color-muted); font-size: 11px; }
.download-return {
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
    margin-top: 34px; padding: 22px 25px; border-radius: 10px; background: var(--color-secondary);
}
.download-return h2 { font-size: 19px; }
.download-return p { margin: 4px 0 0; color: var(--color-muted); font-size: 11px; }
.not-found { min-height: 56vh; display: grid; justify-items: start; align-content: center; padding-block: 70px; }
.error-code { margin: 0; color: var(--color-primary); font-size: clamp(64px, 12vw, 120px); font-weight: 900; line-height: 1; letter-spacing: -.08em; }
.not-found h1 { margin-top: 18px; }
.not-found > p:not(.error-code) { max-width: 540px; color: var(--color-muted); }

@media (max-width: 1050px) {
    .media-grid, .media-grid-small { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
    .container, .header-inner, .footer-inner { width: min(100% - 32px, var(--content-width)); }
    .site-header { height: 62px; }
    .header-inner { gap: 18px; }
    .brand-lockup img { width: 34px; height: 34px; }
    .brand-name { font-size: 18px; }
    .main-nav { gap: 15px; font-size: 12px; }
    .header-download { padding: 6px 9px; font-size: 11px; }
    .search-hub { padding-top: 28px; }
    .hub-bottom { align-items: flex-start; flex-direction: column; gap: 12px; }
    .media-grid, .media-grid-small { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
    .media-card-body { padding: 8px; }
    .media-card h3 { font-size: 12px; }
    .media-summary { font-size: 10px; }
    .device-strip { align-items: flex-start; flex-direction: column; padding: 20px; }
    .download-options { grid-template-columns: 1fr; }
    .download-card > p:not(.section-kicker) { min-height: 0; }
    .note-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .container, .header-inner, .footer-inner { width: calc(100% - 24px); }
    .header-inner { gap: 12px; }
    .main-nav { gap: 11px; font-size: 11px; }
    .header-download { font-size: 0; }
    .header-download span { margin: 0; font-size: 14px; }
    .search-form { gap: 8px; padding-left: 11px; }
    .search-form button { padding-inline: 11px; font-size: 12px; }
    .category-tabs { gap: 5px; }
    .category-tab { min-width: 0; padding: 6px 10px; }
    .media-grid, .media-grid-small { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .section-heading { align-items: flex-start; }
    .section-heading h2 { font-size: 20px; }
    .footer-brand { align-items: flex-start; flex-direction: column; gap: 9px; }
    .footer-links { gap: 12px; }
    .download-intro { padding-top: 36px; }
    .download-card { padding: 19px; }
    .download-return { align-items: flex-start; flex-direction: column; padding: 19px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}