@charset "UTF-8";

:root {
  color-scheme: dark;
  --bg: #0E1117;
  --deep: #080A0E;
  --panel: #161B24;
  --panel-soft: #1B2230;
  --line: rgba(148, 163, 184, .16);
  --line-strong: rgba(148, 163, 184, .27);
  --text: #F1F5F9;
  --muted: #94A3B8;
  --primary: #F25C36;
  --blue: #38BDF8;
  --radius: 10px;
  --content: 1240px;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
.skip-link { position: absolute; z-index: 100; top: -60px; left: 16px; padding: 10px 14px; border-radius: 6px; background: var(--primary); color: white; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(8, 10, 14, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.header-inner { width: min(var(--content), calc(100% - 40px)); min-height: 72px; margin: 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: 8px; }
.brand__text { display: grid; line-height: 1.25; }
.brand__text strong { font-size: 18px; letter-spacing: .02em; }
.brand__text small { margin-top: 4px; color: var(--muted); font-size: 11px; }
.main-nav { display: flex; align-items: center; gap: 8px; height: 72px; }
.main-nav a { position: relative; padding: 24px 15px; color: #AAB4C3; font-size: 14px; transition: color .2s; }
.main-nav a:hover, .main-nav a.is-active { color: #fff; }
.main-nav a.is-active::after { position: absolute; right: 15px; bottom: 0; left: 15px; height: 2px; background: var(--primary); content: ""; }
.header-download { margin-left: auto; display: inline-flex; align-items: center; gap: 9px; padding: 9px 14px; border: 1px solid rgba(56, 189, 248, .32); border-radius: 7px; color: #BDEBFF; font-size: 13px; background: rgba(56, 189, 248, .07); }
.status-dot, .live-mark { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 12px rgba(56,189,248,.7); }
.page-shell { width: min(var(--content), calc(100% - 40px)); margin: 0 auto; }
.discovery-head { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(290px, .8fr); gap: 36px; align-items: center; padding: 36px 0 25px; }
.discovery-copy { padding: 8px 0; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 9px; color: #F7A18B; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.eyebrow__line { width: 22px; height: 2px; background: var(--primary); }
h1, h2, h3, p { margin-top: 0; }
.discovery-copy h1 { max-width: 760px; margin: 12px 0 11px; font-size: clamp(28px, 4vw, 42px); line-height: 1.22; letter-spacing: -.035em; }
.discovery-copy > p { max-width: 680px; margin-bottom: 20px; color: var(--muted); font-size: 15px; }
.head-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; gap: 13px; padding: 9px 16px; border: 1px solid transparent; border-radius: 7px; font-size: 13px; font-weight: 700; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--primary); color: #fff; }
.button--primary:hover { background: #FF704B; }
.button--outline { border-color: var(--line-strong); color: #D7DEE8; background: rgba(255,255,255,.02); }
.button--outline:hover { border-color: var(--primary); }
.button--blue { background: var(--blue); color: #06202C; }
.head-side { padding: 16px 18px 8px; border: 1px solid var(--line); border-radius: 10px; background: linear-gradient(145deg, rgba(35,43,58,.72), rgba(22,27,36,.82)); }
.head-side__top { display: flex; align-items: center; gap: 9px; padding: 0 0 11px; color: #DCE5F1; font-size: 13px; font-weight: 700; }
.device-row { display: grid; grid-template-columns: 38px 1fr auto; gap: 11px; align-items: center; padding: 11px 0; border-top: 1px solid var(--line); }
.device-icon { display: inline-flex; width: 36px; height: 36px; align-items: center; justify-content: center; border-radius: 7px; color: #FFD4C8; background: rgba(242,92,54,.14); font-size: 11px; font-weight: 700; }
.device-icon--blue { color: #B8E9FF; background: rgba(56,189,248,.12); }
.device-row strong, .device-row small { display: block; }
.device-row strong { font-size: 13px; }
.device-row small { color: var(--muted); font-size: 11px; }
.device-row b, .device-row a { color: var(--blue); font-size: 11px; font-weight: 600; }
.search-panel { padding: 17px 18px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.search-label { display: block; margin-bottom: 8px; color: #DCE5F1; font-size: 12px; font-weight: 700; }
.search-control { display: flex; align-items: center; gap: 10px; min-height: 46px; padding: 4px 5px 4px 13px; border: 1px solid rgba(148,163,184,.22); border-radius: 7px; background: #10151E; transition: border-color .2s, box-shadow .2s; }
.search-control:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(56,189,248,.09); }
.search-symbol { color: var(--blue); font-size: 24px; line-height: 1; }
.search-control input { min-width: 0; flex: 1; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 13px; }
.search-control input::placeholder { color: #687588; }
.search-control button { min-height: 36px; padding: 0 16px; border: 0; border-radius: 5px; color: #07202B; background: var(--blue); font-size: 12px; font-weight: 700; cursor: pointer; }
.category-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.category-tab { padding: 6px 14px; border: 1px solid transparent; border-radius: 4px; color: #A8B3C3; background: #232B3A; font-size: 12px; transition: .2s; }
.category-tab:hover { color: #fff; border-color: var(--line-strong); }
.category-tab.is-active { color: #fff; border-color: rgba(242,92,54,.5); background: rgba(242,92,54,.18); }
.catalog-section { padding: 34px 0 8px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 17px; }
.section-kicker { color: var(--blue); font-size: 11px; letter-spacing: .04em; }
.section-heading h2, .rail-intro h2 { margin: 5px 0 3px; font-size: 23px; line-height: 1.3; letter-spacing: -.02em; }
.section-heading p, .rail-intro p { margin: 0; color: var(--muted); font-size: 12px; }
.result-count { padding-bottom: 4px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.result-count strong { color: var(--blue); font-size: 17px; }
.catalog-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px 15px; }
.media-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); transition: border-color .2s, transform .2s; }
.media-card:hover { transform: translateY(-3px); border-color: rgba(56,189,248,.35); }
.poster-link { position: relative; display: block; overflow: hidden; aspect-ratio: 2 / 3; background: #202938; }
.poster { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.media-card:hover .poster { transform: scale(1.035); }
.poster-shade { position: absolute; inset: 40% 0 0; background: linear-gradient(transparent, rgba(5,8,13,.8)); pointer-events: none; }
.poster-badge { position: absolute; top: 10px; left: 10px; padding: 4px 7px; border: 1px solid rgba(255,255,255,.18); border-radius: 4px; color: white; background: rgba(8,10,14,.7); font-size: 10px; }
.poster-state { position: absolute; right: 10px; bottom: 10px; left: 10px; color: #fff; font-size: 11px; font-weight: 700; }
.media-card__body { padding: 11px 11px 10px; }
.media-meta { display: flex; justify-content: space-between; gap: 6px; color: #8290A3; font-size: 10px; }
.media-card h3 { margin: 5px 0 5px; overflow: hidden; color: #F3F6FA; font-size: 14px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.media-card p { min-height: 42px; margin-bottom: 10px; color: #A0ACBC; font-size: 11px; line-height: 1.6; }
.media-card__bottom { display: flex; align-items: center; justify-content: space-between; gap: 6px; padding-top: 8px; border-top: 1px solid var(--line); }
.tag-list { display: flex; flex-wrap: wrap; gap: 4px; }
.tag-list span { padding: 2px 5px; border-radius: 3px; color: #9AA9BC; background: #232B3A; font-size: 9px; }
.media-card__bottom > a { flex: 0 0 auto; color: var(--blue); font-size: 10px; }
.empty-inline { padding: 40px 20px; border: 1px dashed var(--line-strong); border-radius: 9px; text-align: center; }
.empty-inline strong { font-size: 16px; }
.empty-inline p { margin: 7px 0; color: var(--muted); font-size: 13px; }
.empty-inline a { color: var(--blue); font-size: 13px; }
.browse-rails { display: grid; grid-template-columns: .75fr 1.25fr; gap: 40px; align-items: start; margin: 37px 0; padding: 25px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rail-intro h2 { margin-top: 7px; }
.rail-intro p { max-width: 280px; line-height: 1.8; }
.rail-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.rail-item { display: flex; align-items: center; gap: 12px; min-height: 65px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 7px; background: rgba(22,27,36,.68); transition: border-color .2s, background .2s; }
.rail-item:hover { border-color: rgba(56,189,248,.38); background: #192330; }
.rail-number { color: var(--primary); font: 700 12px/1 monospace; }
.rail-item span:nth-child(2) { display: grid; flex: 1; }
.rail-item strong { font-size: 13px; }
.rail-item small { color: var(--muted); font-size: 10px; }
.rail-item b { color: var(--blue); font-size: 17px; font-weight: 400; }
.multi-device { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 25px; align-items: center; min-height: 230px; overflow: hidden; padding: 26px 32px; border: 1px solid rgba(56,189,248,.22); border-radius: 10px; background: linear-gradient(115deg, #17212D 0%, #151C27 58%, #182431 100%); }
.multi-device__copy { position: relative; z-index: 2; }
.multi-device__copy h2 { margin: 7px 0 9px; font-size: 23px; line-height: 1.35; }
.multi-device__copy p { max-width: 550px; margin-bottom: 15px; color: #A7B4C5; font-size: 12px; }
.device-illustration { position: relative; height: 180px; }
.screen { position: absolute; z-index: 1; border: 5px solid #313D4E; border-radius: 8px; background: linear-gradient(145deg, #27384A, #101821); box-shadow: 0 14px 28px rgba(0,0,0,.25); }
.screen span { display: block; height: 7px; margin: 10px; border-radius: 5px; background: rgba(56,189,248,.45); }
.screen i { display: block; height: 34px; margin: 8px; border-radius: 4px; background: linear-gradient(120deg, rgba(242,92,54,.55), rgba(56,189,248,.25)); }
.screen--desktop { top: 15px; right: 65px; width: 190px; height: 125px; transform: perspective(300px) rotateY(-9deg); }
.screen--phone { z-index: 3; top: 50px; right: 22px; width: 57px; height: 105px; border-width: 4px; border-radius: 11px; }
.screen--phone span { height: 4px; margin: 8px 5px; }
.screen--phone i { height: 55px; margin: 5px; }
.screen--tv { top: 35px; right: 175px; width: 130px; height: 90px; opacity: .72; transform: rotate(-5deg); }
.device-glow { position: absolute; right: 0; bottom: 0; width: 240px; height: 110px; border-radius: 50%; background: rgba(56,189,248,.12); filter: blur(35px); }
.about-strip { display: grid; grid-template-columns: .75fr 1.25fr; gap: 35px; align-items: start; padding: 28px 0 36px; }
.about-strip h2 { margin: 6px 0 0; font-size: 19px; }
.about-strip p { margin: 3px 0 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.site-footer { border-top: 1px solid var(--line); background: var(--deep); }
.footer-inner { display: grid; grid-template-columns: 1.3fr .65fr 1fr; gap: 50px; width: min(var(--content), calc(100% - 40px)); margin: auto; padding: 29px 0 25px; }
.brand--footer img { width: 38px; height: 38px; }
.footer-brand > p, .footer-note p { max-width: 390px; margin: 12px 0 0; color: #8290A3; font-size: 11px; line-height: 1.8; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links strong, .footer-note strong { margin-bottom: 3px; color: #DDE5EF; font-size: 12px; }
.footer-links a { color: #8F9BAD; font-size: 11px; }
.footer-links a:hover { color: var(--blue); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; width: min(var(--content), calc(100% - 40px)); margin: auto; padding: 12px 0; border-top: 1px solid rgba(148,163,184,.1); color: #69778A; font-size: 10px; }
.breadcrumb { display: flex; align-items: center; gap: 9px; padding: 19px 0 5px; color: #758397; font-size: 11px; }
.breadcrumb a { color: var(--blue); }
.download-hero { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; min-height: 260px; margin: 12px 0 34px; padding: 25px 35px; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: linear-gradient(115deg, #171F2B, #111923); }
.download-hero h1 { margin: 10px 0; font-size: clamp(27px, 3.5vw, 38px); line-height: 1.3; }
.download-hero p { max-width: 590px; margin-bottom: 17px; color: var(--muted); font-size: 13px; }
.download-hero__art { position: relative; height: 205px; }
.app-tile { position: absolute; z-index: 2; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.24); border-radius: 22px; color: #fff; background: linear-gradient(145deg, #FF865F, #B93325); box-shadow: 0 20px 50px rgba(242,92,54,.2); font-size: 48px; font-weight: 800; }
.app-tile--large { top: 34px; right: 105px; width: 112px; height: 112px; transform: rotate(-9deg); }
.app-tile--small { top: 90px; right: 38px; width: 68px; height: 68px; border-radius: 16px; color: #D8F5FF; background: linear-gradient(145deg, #38BDF8, #1A5C83); font-size: 29px; transform: rotate(11deg); }
.orbit { position: absolute; border: 1px solid rgba(56,189,248,.22); border-radius: 50%; transform: rotate(-20deg); }
.orbit--one { top: 18px; right: 8px; width: 260px; height: 150px; }
.orbit--two { top: 35px; right: 28px; width: 220px; height: 115px; border-color: rgba(242,92,54,.24); }
.download-options, .install-guide, .faq-section { padding: 0 0 35px; }
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.download-card { min-height: 225px; padding: 18px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.download-card__top { display: flex; justify-content: space-between; align-items: center; }
.download-index { color: #64748B; font: 700 12px monospace; }
.download-card h3 { margin: 13px 0 1px; font-size: 19px; }
.download-card > strong { color: var(--blue); font-size: 11px; }
.download-card p { min-height: 58px; margin: 10px 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
.text-link { color: var(--primary); font-size: 12px; font-weight: 700; }
.text-link span { margin-left: 5px; }
.availability-note { display: inline-block; color: #8794A7; font-size: 10px; }
.guide-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.guide-steps article { display: flex; gap: 13px; padding: 17px; border-top: 1px solid var(--line-strong); background: rgba(22,27,36,.48); }
.guide-steps article > span { color: var(--primary); font: 700 15px monospace; }
.guide-steps h3 { margin: 0 0 5px; font-size: 14px; }
.guide-steps p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 15px 3px; cursor: pointer; list-style: none; color: #DDE5EF; font-size: 13px; font-weight: 700; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary b { color: var(--blue); font-size: 18px; font-weight: 400; }
.faq-item p { max-width: 850px; margin: 0; padding: 0 30px 16px 3px; color: var(--muted); font-size: 12px; }
.download-return { display: flex; justify-content: space-between; align-items: center; gap: 25px; margin: 4px 0 36px; padding: 20px 23px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.download-return h2 { margin: 0 0 4px; font-size: 18px; }
.download-return p { margin: 0; color: var(--muted); font-size: 11px; }
.empty-state { display: grid; justify-items: center; padding: 100px 20px; text-align: center; }
.empty-state__code { color: var(--primary); font: 800 clamp(65px, 12vw, 110px)/1 monospace; letter-spacing: -.08em; }
.empty-state h1 { margin: 15px 0 5px; font-size: 26px; }
.empty-state p { color: var(--muted); font-size: 13px; }
.empty-state__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 12px; }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
@media (min-width: 1400px) { .catalog-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
@media (max-width: 980px) {
  .discovery-head { grid-template-columns: 1fr 300px; gap: 22px; }
  .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-inner { gap: 25px; }
  .browse-rails { gap: 25px; }
}
@media (max-width: 720px) {
  .header-inner { width: min(100% - 28px, var(--content)); min-height: 64px; gap: 14px; }
  .brand img { width: 36px; height: 36px; }
  .brand__text strong { font-size: 16px; }
  .main-nav { height: 64px; gap: 0; margin-left: auto; }
  .main-nav a { padding: 22px 9px; font-size: 12px; }
  .main-nav a.is-active::after { right: 9px; left: 9px; }
  .header-download { display: none; }
  .page-shell { width: min(100% - 28px, var(--content)); }
  .discovery-head { grid-template-columns: 1fr; gap: 18px; padding-top: 27px; }
  .discovery-copy h1 { font-size: 30px; }
  .head-side { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 7px; padding: 12px; }
  .head-side__top { grid-column: 1 / -1; padding-bottom: 6px; }
  .device-row { grid-template-columns: 32px 1fr; gap: 7px; padding: 8px 0 3px; }
  .device-row .device-icon { width: 31px; height: 31px; font-size: 9px; }
  .device-row b, .device-row a { grid-column: 2; }
  .search-panel { padding: 13px; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .media-card__body { padding: 9px; }
  .media-card h3 { font-size: 12px; }
  .media-card p { min-height: 52px; font-size: 10px; }
  .media-card__bottom { align-items: flex-start; flex-direction: column; }
  .browse-rails { grid-template-columns: 1fr; gap: 15px; margin: 27px 0; }
  .rail-list { gap: 7px; }
  .rail-item { gap: 8px; min-height: 60px; padding: 8px; }
  .rail-item strong { font-size: 11px; }
  .rail-item small { font-size: 9px; }
  .multi-device { grid-template-columns: 1fr; min-height: 0; padding: 21px; }
  .device-illustration { height: 130px; }
  .screen--desktop { top: 5px; right: calc(50% - 95px); }
  .screen--tv { top: 18px; right: calc(50% + 25px); }
  .screen--phone { top: 40px; right: calc(50% - 115px); }
  .about-strip { grid-template-columns: 1fr; gap: 10px; padding: 25px 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 23px; width: calc(100% - 28px); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { width: calc(100% - 28px); }
  .download-hero { grid-template-columns: 1fr; min-height: 0; padding: 23px; }
  .download-hero__art { height: 145px; }
  .app-tile--large { top: 12px; right: calc(50% - 50px); width: 90px; height: 90px; }
  .app-tile--small { top: 57px; right: calc(50% - 90px); width: 55px; height: 55px; }
  .orbit--one { top: 0; right: calc(50% - 130px); }
  .orbit--two { top: 15px; right: calc(50% - 110px); }
  .download-grid, .guide-steps { grid-template-columns: 1fr; }
  .download-card { min-height: 0; }
  .download-card p { min-height: 0; }
  .download-return { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 390px) {
  .brand__text small { display: none; }
  .main-nav a { padding-right: 7px; padding-left: 7px; font-size: 11px; }
  .discovery-copy h1 { font-size: 27px; }
  .head-actions .button { flex: 1; padding-right: 10px; padding-left: 10px; font-size: 11px; }
  .search-control button { padding: 0 10px; }
  .rail-list { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}