/* Conflux home: The Live Signal Desk */

:root {
  --paper: #f4f1e9;
  --paper-deep: #e8e3d8;
  --paper-line: rgba(17, 24, 32, 0.14);
  --ink: #111a23;
  --ink-soft: #1d2a36;
  --ink-line: rgba(244, 241, 233, 0.18);
  --ink-muted: #aeb8b5;
  --text: #17212a;
  --muted: #69706f;
  --signal: #ff6b45;
  --signal-deep: #c94e34;
  --relay: #d7f36a;
  --cyan: #8cd4c2;
  --violet: #8a76dc;
  --max: 1240px;
  --nav-height: 72px;
  --radius: 18px;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", sans-serif;
  --serif: "Iowan Old Style", "Baskerville", "Songti SC", "STSong", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body.site-redesign {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.site-redesign a { color: inherit; text-decoration: none; }
body.site-redesign button { font: inherit; }
body.site-redesign img, body.site-redesign video { max-width: 100%; height: auto; }
.site-shell { width: min(calc(100% - 64px), var(--max)); margin: 0 auto; position: relative; }
.reveal { opacity: 0; transform: translateY(22px); }
.reveal.is-visible { opacity: 1; transform: none; transition: opacity 720ms cubic-bezier(.16, 1, .3, 1), transform 720ms cubic-bezier(.16, 1, .3, 1); }
.reveal-1.is-visible { transition-delay: 40ms; }
.reveal-2.is-visible { transition-delay: 90ms; }
.reveal-3.is-visible { transition-delay: 140ms; }
.reveal-4.is-visible { transition-delay: 210ms; }
.reveal-5.is-visible { transition-delay: 280ms; }
.reveal-6.is-visible { transition-delay: 350ms; }

/* Navigation */
.signal-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--nav-height);
  background: rgba(244, 241, 233, .74);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  transition: background 260ms ease, box-shadow 260ms ease;
}
.signal-nav.scrolled { background: rgba(244, 241, 233, .92); box-shadow: 0 1px 0 var(--paper-line); }
.signal-nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 16px; font-weight: 720; letter-spacing: -.02em; white-space: nowrap; }
.wordmark-icon { width: 32px; height: 32px; border-radius: 9px; object-fit: cover; box-shadow: 0 2px 5px rgba(17, 24, 32, .16); }
.wordmark-live { color: var(--signal-deep); }
.nav-links { display: flex; align-items: center; gap: clamp(18px, 2.2vw, 34px); margin-left: auto; }
.nav-links a, .nav-contact { color: #515a5a; font-size: 13px; font-weight: 600; transition: color 160ms ease; }
.nav-links a:hover, .nav-contact:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 18px; }
.nav-cta { display: inline-flex; align-items: center; gap: 8px; padding: 10px 15px; color: var(--paper) !important; background: var(--ink); font-size: 13px; font-weight: 700; border-radius: 10px; transition: transform 160ms ease, background 160ms ease; }
.nav-cta:hover { background: var(--signal-deep); transform: translateY(-1px); }
.nav-cta span, .action-primary span, .action-light span, .tier-action span { font-size: 16px; line-height: 0; }
.menu-trigger { display: none; width: 40px; height: 40px; padding: 10px; border: 1px solid var(--paper-line); border-radius: 10px; background: transparent; cursor: pointer; }
.menu-trigger span { display: block; width: 18px; height: 1.5px; margin: 4px auto; background: var(--ink); transition: transform 180ms ease; }
.mobile-menu { display: none; }

/* Hero / live signal desk */
.signal-hero { position: relative; min-height: max(680px, calc(100svh - var(--nav-height) - 78px)); padding: clamp(72px, 9vw, 132px) 0 30px; background: var(--paper); overflow: hidden; }
.hero-gridline { position: absolute; inset: 0; opacity: .46; pointer-events: none; background-image: linear-gradient(to right, transparent 0, transparent calc(50% - 1px), rgba(17, 24, 32, .05) 50%, transparent calc(50% + 1px)), linear-gradient(to bottom, transparent 0, transparent 24%, rgba(17, 24, 32, .06) 24.1%, transparent 24.2%); }
.hero-shell { display: grid; grid-template-columns: minmax(0, .87fr) minmax(420px, 1.13fr); gap: clamp(46px, 7vw, 108px); align-items: center; }
.hero-copy { position: relative; z-index: 1; padding-bottom: 18px; }
.availability { display: inline-flex; align-items: center; gap: 9px; padding: 8px 11px; border: 1px solid var(--paper-line); color: var(--ink) !important; background: rgba(255, 255, 255, .38); font-size: 12px; font-weight: 680; border-radius: 999px; transition: border-color 180ms ease, transform 180ms ease; }
.availability:hover { border-color: var(--signal); transform: translateY(-1px); }
.live-lamp, .desk-status i, .watch-console-live i { width: 7px; height: 7px; flex: 0 0 7px; display: inline-block; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px rgba(255, 107, 69, .15); }
.availability-arrow { margin-left: 2px; color: var(--signal-deep); font-size: 15px; }
.hero-index, .section-code, .modal-code { margin: 30px 0 14px; color: var(--muted); font-size: 11px; font-weight: 760; letter-spacing: .1em; line-height: 1.2; }
.hero-index { color: #7b817d; }
.hero-copy h1 { max-width: 680px; margin: 0; color: var(--ink); font-size: clamp(3.35rem, 6.4vw, 6rem); font-weight: 770; line-height: .98; letter-spacing: -.055em; }
.hero-copy h1 span { color: var(--signal-deep); }
.hero-lede { max-width: 490px; margin: 30px 0 0; color: #525a5b; font-size: clamp(16px, 1.7vw, 19px); line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 34px; }
.action-primary, .action-secondary, .action-light, .tier-action { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 0 18px; border-radius: 10px; font-size: 14px; font-weight: 730; transition: transform 180ms ease, background 180ms ease, border-color 180ms ease; }
.action-primary { color: var(--paper) !important; background: var(--ink); }
.action-primary:hover { background: var(--signal-deep); transform: translateY(-2px); }
.action-secondary { color: var(--ink) !important; border: 1px solid var(--paper-line); background: transparent; }
.action-secondary:hover { border-color: var(--ink); transform: translateY(-2px); }
button.action-primary, button.action-secondary, button.action-light { border: 0; cursor: pointer; font-family: inherit; }
button.action-secondary { border: 1px solid var(--paper-line); }
.hero-facts { display: flex; flex-wrap: wrap; gap: 18px 26px; margin-top: 54px; color: #757b78; font-size: 11px; font-weight: 650; letter-spacing: .02em; }
.hero-facts span { display: inline-flex; align-items: center; gap: 7px; }
.hero-facts b { color: var(--ink); font-size: 14px; font-weight: 780; }
.signal-desk { --mx: 0; --my: 0; position: relative; z-index: 1; width: 100%; padding: 12px; color: var(--paper); background: var(--ink); border: 1px solid rgba(17, 24, 32, .58); border-radius: 22px; box-shadow: 22px 24px 0 rgba(17, 24, 32, .11), 0 28px 72px rgba(17, 24, 32, .2); transform: translate3d(calc(var(--mx) * 1px), calc(var(--my) * 1px), 0); transition: transform 520ms cubic-bezier(.16, 1, .3, 1), box-shadow 240ms ease; }
.signal-desk:hover { box-shadow: 26px 30px 0 rgba(17, 24, 32, .13), 0 34px 82px rgba(17, 24, 32, .24); }
.desk-topline, .desk-bottomline, .desk-overlay { display: flex; align-items: center; justify-content: space-between; }
.desk-topline { padding: 2px 3px 11px; color: var(--ink-muted); font-size: 10px; font-weight: 750; letter-spacing: .13em; }
.desk-status { display: inline-flex; align-items: center; gap: 7px; color: var(--relay); }
.desk-status i { width: 5px; height: 5px; flex-basis: 5px; box-shadow: none; background: var(--relay); }
.desk-screen { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: #0c1217; border-radius: 13px; isolation: isolate; }
.desk-screen::after { content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none; background: linear-gradient(180deg, rgba(17, 24, 32, .15), transparent 26%, transparent 72%, rgba(17, 24, 32, .72)); }
.desk-screen video { width: 100%; height: 100%; display: block; object-fit: cover; }
.desk-overlay { position: absolute; z-index: 3; left: 14px; right: 14px; color: rgba(244, 241, 233, .76); font-size: 9px; font-weight: 760; letter-spacing: .1em; }
.desk-overlay-top { top: 13px; }
.desk-overlay-bottom { bottom: 13px; color: var(--paper); }
.desk-clock { display: inline-flex; align-items: center; gap: 7px; }
.desk-clock b { color: var(--relay); font-weight: 700; }
.desk-danmaku { position: absolute; z-index: 4; top: 19%; left: 0; right: 0; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; padding-right: 17px; color: rgba(244, 241, 233, .83); font-size: 11px; font-weight: 650; text-shadow: 0 1px 6px rgba(0, 0, 0, .6); }
.desk-danmaku span:nth-child(2) { align-self: center; color: var(--relay); }
.desk-danmaku span:nth-child(3) { align-self: flex-start; padding-left: 26px; color: rgba(244, 241, 233, .75); }
.desk-bottomline { min-height: 66px; gap: 20px; padding: 13px 5px 10px; }
.desk-caption { display: block; color: var(--ink-muted); font-size: 10px; letter-spacing: .06em; }
.desk-detail { display: block; margin-top: 4px; color: var(--paper); font-size: 13px; font-weight: 690; }
.desk-signal { flex: 0 0 auto; color: var(--relay); font-size: 9px; font-weight: 760; letter-spacing: .09em; }
.signal-tabs { display: grid; grid-template-columns: repeat(5, 1fr); overflow: hidden; border-top: 1px solid var(--ink-line); }
.signal-tab { min-height: 39px; padding: 0 4px; border: 0; border-right: 1px solid var(--ink-line); color: var(--ink-muted); background: transparent; cursor: pointer; font-size: 11px; font-weight: 720; transition: color 150ms ease, background 150ms ease, box-shadow 150ms ease; }
.signal-tab:last-child { border-right: 0; }
.signal-tab:hover, .signal-tab.is-active { color: var(--paper); background: rgba(244, 241, 233, .08); box-shadow: inset 0 2px 0 var(--signal); }
.signal-tab:active { transform: scale(.98); }
.hero-bottom-mark { display: flex; justify-content: space-between; margin-top: 74px; color: #8a8f8b; font-size: 10px; font-weight: 750; letter-spacing: .14em; }
.hero-bottom-mark span:last-child { color: var(--signal); font-size: 17px; line-height: .5; }

/* Broadcast rail */
.broadcast-strip { overflow: hidden; color: var(--paper); background: var(--signal); }
.broadcast-track { display: flex; align-items: center; gap: 22px; width: max-content; min-height: 50px; padding: 0 22px; animation: ticker 28s linear infinite; font-size: 11px; font-weight: 780; letter-spacing: .15em; white-space: nowrap; }
.broadcast-track i { width: 6px; height: 6px; flex: 0 0 6px; border-radius: 50%; background: rgba(244, 241, 233, .72); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-33.333%); } }

/* Shared section primitives */
.field-section, .platform-section, .device-section, .pricing-section, .faq-section { padding: clamp(94px, 12vw, 176px) 0; }
.section-heading h2, .platform-intro h2, .device-copy h2, .pricing-heading h2, .faq-heading h2 { margin: 0; color: var(--ink); font-size: clamp(2.65rem, 5vw, 5.35rem); font-weight: 760; line-height: 1; letter-spacing: -.055em; }
.section-heading h2 em, .platform-intro h2 em, .device-copy h2 em, .pricing-heading h2 em { color: var(--signal-deep); font-family: var(--serif); font-style: italic; font-weight: 500; letter-spacing: -.035em; }
.section-heading > p, .platform-intro > p:last-child, .pricing-heading > p:last-child, .faq-heading > p:last-child { max-width: 360px; margin: 33px 0 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.section-code { color: #7c817d; }
.section-code-light { color: var(--ink-muted); }
.text-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 26px; color: var(--signal-deep) !important; font-size: 14px; font-weight: 740; }
.text-link:hover { gap: 15px; }
.text-link span { font-size: 18px; transition: transform 180ms ease; }
.text-link:hover span { transform: translateX(3px); }

/* Field / proof */
.field-section { background: var(--paper-deep); }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(220px, .8fr); gap: 60px; align-items: end; }
.field-layout { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(280px, .72fr); gap: clamp(38px, 7vw, 110px); align-items: center; margin-top: clamp(62px, 9vw, 110px); }
.screen-frame, .danmaku-frame { margin: 0; overflow: hidden; }
.screen-frame { border: 1px solid rgba(17, 24, 32, .22); background: var(--ink); box-shadow: 18px 20px 0 rgba(17, 24, 32, .09); }
.screen-frame img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.frame-label { display: flex; justify-content: space-between; padding: 12px 15px; color: #7a807c; background: var(--paper); font-size: 10px; font-weight: 780; letter-spacing: .1em; }
.screen-frame figcaption, .danmaku-frame figcaption { padding: 13px 15px 15px; color: var(--ink-muted); background: var(--ink); font-size: 12px; }
.field-steps { align-self: stretch; display: flex; flex-direction: column; justify-content: center; }
.field-step { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 18px; padding: 22px 0; border-top: 1px solid var(--paper-line); }
.field-step:last-of-type { border-bottom: 1px solid var(--paper-line); }
.step-number { color: var(--signal-deep); font-size: 12px; font-weight: 780; letter-spacing: .08em; }
.field-step h3 { margin: -3px 0 7px; color: var(--ink); font-size: 20px; font-weight: 740; letter-spacing: -.02em; }
.field-step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.72; }

.evidence-section { padding: clamp(94px, 12vw, 170px) 0; color: var(--paper); background: var(--ink); }
.evidence-shell { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(44px, 7vw, 112px); align-items: center; }
.evidence-copy h2, .watch-copy h2 { margin: 0; color: var(--paper); font-size: clamp(2.6rem, 5vw, 5rem); font-weight: 760; line-height: 1; letter-spacing: -.055em; }
.evidence-copy h2 span, .watch-copy h2 span { color: var(--relay); font-family: var(--serif); font-style: italic; font-weight: 500; letter-spacing: -.035em; }
.evidence-copy > p:not(.section-code), .watch-copy > p:not(.section-code) { max-width: 420px; margin: 28px 0 0; color: var(--ink-muted); font-size: 16px; line-height: 1.78; }
.evidence-list { display: grid; gap: 0; margin: 42px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ink-line); }
.evidence-list li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 14px; padding: 17px 0; border-bottom: 1px solid var(--ink-line); }
.evidence-mark { color: var(--signal); font-size: 18px; line-height: 1.1; }
.evidence-list b { display: block; color: var(--paper); font-size: 15px; font-weight: 720; }
.evidence-list small { display: block; margin-top: 3px; color: var(--ink-muted); font-size: 12px; }
.danmaku-frame { border: 1px solid var(--ink-line); box-shadow: 18px 20px 0 rgba(0, 0, 0, .18); background: #080e13; }
.frame-label-dark { color: var(--ink-muted); background: var(--ink-soft); }
.danmaku-frame img { display: block; width: 100%; aspect-ratio: 2400 / 1487; object-fit: cover; }

/* Platform signal map */
.platform-section { background: var(--paper); }
.platform-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, .45fr); gap: 60px; align-items: end; }
.platform-intro > p:last-child { margin-left: auto; }
.platform-list { margin-top: clamp(58px, 8vw, 96px); border-top: 1px solid var(--paper-line); }
.platform-row { display: grid; grid-template-columns: 14px minmax(125px, .65fr) minmax(90px, .5fr) minmax(170px, .85fr) minmax(150px, .65fr); gap: 14px; align-items: center; min-height: 74px; border-bottom: 1px solid var(--paper-line); }
.platform-row strong { color: var(--ink); font-size: 18px; font-weight: 760; }
.platform-zh, .platform-capabilities, .platform-note { color: var(--muted); font-size: 13px; }
.platform-capabilities { color: #4f5858; }
.platform-note { text-align: right; }
.platform-dot { width: 8px; height: 8px; border-radius: 50%; }
.dot-bili { background: #65d7ef; }.dot-douyu { background: #ffb92e; }.dot-huya { background: #ff704d; }.dot-douyin { background: #a1e6d2; }.dot-xhs { background: #fb6170; }
.platform-row-muted { color: #7f8582; }
.platform-row-muted strong { color: #6b7371; }
.platform-footnote { margin: 28px 0 0; color: var(--muted); font-size: 13px; }
.platform-footnote a { color: var(--signal-deep); text-decoration: underline !important; text-underline-offset: 3px; }

/* Cloud watch */
.watch-section { position: relative; overflow: hidden; padding: clamp(94px, 12vw, 172px) 0; color: var(--paper); background: var(--ink); }
.watch-gridline { position: absolute; inset: 0; opacity: .42; pointer-events: none; background: linear-gradient(90deg, transparent 0 56%, rgba(244, 241, 233, .08) 56.05% 56.12%, transparent 56.2%); mask-image: linear-gradient(90deg, transparent, rgba(17, 24, 32, 1) 20%, rgba(17, 24, 32, 1) 75%, transparent); }
.watch-shell { display: grid; grid-template-columns: minmax(0, .75fr) minmax(420px, 1.25fr); gap: clamp(44px, 8vw, 128px); align-items: start; }
.watch-copy { padding-top: 18px; }
.action-light { margin-top: 38px; color: var(--ink) !important; background: var(--relay); }
.action-light:hover { background: var(--paper); transform: translateY(-2px); }
.watch-console { position: relative; z-index: 1; padding: 20px 22px 22px; border: 1px solid var(--ink-line); background: rgba(29, 42, 54, .88); box-shadow: 18px 20px 0 rgba(0, 0, 0, .18); }
.watch-console-head { display: flex; justify-content: space-between; padding-bottom: 17px; color: var(--ink-muted); border-bottom: 1px solid var(--ink-line); font-size: 10px; font-weight: 760; letter-spacing: .12em; }
.watch-console-live { display: inline-flex; align-items: center; gap: 7px; color: var(--relay); }
.watch-console-live i { width: 5px; height: 5px; flex-basis: 5px; box-shadow: none; background: var(--relay); }
.watch-timeline { position: relative; padding: 15px 0 3px; }
.watch-timeline::before { content: ""; position: absolute; top: 24px; bottom: 34px; left: 84px; width: 1px; background: var(--ink-line); }
.watch-event { position: relative; display: grid; grid-template-columns: 61px 47px minmax(0, 1fr); min-height: 88px; align-items: start; }
.watch-time { padding-top: 4px; color: var(--ink-muted); font-size: 11px; font-weight: 700; }
.watch-node { position: relative; z-index: 1; width: 10px; height: 10px; margin: 5px 0 0 18px; border: 2px solid var(--ink-muted); border-radius: 50%; background: var(--ink-soft); }
.watch-event-active .watch-node { border-color: var(--signal); background: var(--signal); box-shadow: 0 0 0 5px rgba(255, 107, 69, .14); }
.watch-event-cloud .watch-node { border-color: var(--relay); }
.watch-event strong { display: block; color: var(--paper); font-size: 16px; font-weight: 730; }
.watch-event p { margin: 5px 0 0; color: var(--ink-muted); font-size: 13px; line-height: 1.56; }
.watch-event small { display: inline-block; margin-top: 8px; color: var(--relay); font-size: 10px; font-weight: 760; letter-spacing: .06em; }
.watch-disclosure { margin: 20px 0 0; padding-top: 17px; color: #92a09d; border-top: 1px solid var(--ink-line); font-size: 11px; line-height: 1.7; }
.watch-disclosure a { color: var(--paper); text-decoration: underline; text-underline-offset: 3px; }

/* Devices */
.device-section { position: relative; background: var(--paper-deep); }
.anchor-target { position: absolute; top: -90px; }
.device-shell { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(48px, 8vw, 124px); align-items: center; }
.device-visual { position: relative; min-height: 520px; }
.phone-device { position: absolute; z-index: 2; left: 8%; top: 2%; width: min(40%, 260px); padding: 7px; overflow: hidden; border: 1px solid rgba(17, 24, 32, .42); border-radius: 33px; background: #0b0d11; box-shadow: 16px 20px 0 rgba(17, 24, 32, .12); }
.phone-device img { display: block; width: 100%; border-radius: 27px; }
.phone-speaker { position: absolute; z-index: 3; top: 13px; left: 50%; width: 64px; height: 16px; transform: translateX(-50%); border-radius: 12px; background: #06070a; }
.tv-device { position: absolute; right: 0; bottom: 3%; width: 83%; padding: 10px; border: 1px solid rgba(17, 24, 32, .32); background: var(--ink); box-shadow: 20px 21px 0 rgba(17, 24, 32, .09); }
.tv-device img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.tv-device-top { display: flex; gap: 5px; height: 16px; align-items: center; padding-left: 4px; }
.tv-device-top span { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); }.tv-device-top span:nth-child(2) { background: #f1c56c; }.tv-device-top span:nth-child(3) { background: var(--relay); }
.device-copy h2 { max-width: 630px; }
.device-copy > p:not(.section-code) { max-width: 530px; margin: 28px 0 0; color: var(--muted); font-size: 16px; line-height: 1.78; }
.device-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 31px; }
.device-tags span { padding: 7px 10px; color: var(--ink); border: 1px solid var(--paper-line); font-size: 11px; font-weight: 760; letter-spacing: .04em; }

/* Pricing */
.pricing-section { background: var(--paper); }
.pricing-heading { max-width: 740px; }
.pricing-heading > p:last-child { max-width: 520px; }
.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: clamp(58px, 8vw, 88px); }
.tier { position: relative; min-height: 510px; padding: 25px 26px 24px; border: 1px solid var(--paper-line); }
.tier-free { background: var(--paper-deep); }.tier-pro { color: var(--paper); background: var(--ink); border-color: var(--ink); box-shadow: 18px 20px 0 rgba(17, 24, 32, .12); }
.tier-top { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 10px; font-weight: 780; letter-spacing: .12em; }.tier-pro .tier-top { color: var(--ink-muted); }
.tier-mark { color: var(--signal-deep); font-size: 21px; letter-spacing: 0; }.tier-pro .tier-mark { color: var(--relay); }
.tier h3 { margin: 44px 0 0; color: var(--ink); font-size: 36px; font-weight: 760; letter-spacing: -.045em; }.tier-pro h3 { color: var(--paper); }
.tier-lede { min-height: 48px; margin: 8px 0 24px; color: var(--muted); font-size: 14px; }.tier-pro .tier-lede { color: var(--ink-muted); }
.tier-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--paper-line); }.tier-pro .tier-list { border-color: var(--ink-line); }
.tier-list li { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; color: #4e5858; border-bottom: 1px solid var(--paper-line); font-size: 13px; }.tier-pro .tier-list li { color: var(--ink-muted); border-color: var(--ink-line); }
.tier-list b { flex: 0 0 auto; color: var(--ink); font-size: 12px; font-weight: 740; text-align: right; }.tier-pro .tier-list b { color: var(--paper); }
.tier-action { position: absolute; right: 26px; bottom: 24px; left: 26px; }.tier-action-dark { color: var(--paper) !important; background: var(--ink); }.tier-action-dark:hover { background: var(--signal-deep); transform: translateY(-2px); }.tier-action-accent { color: var(--ink) !important; background: var(--relay); }.tier-action-accent:hover { background: var(--paper); transform: translateY(-2px); }
.pricing-notes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 25px; padding-top: 19px; border-top: 1px solid var(--paper-line); }.pricing-notes p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }.pricing-notes strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 13px; }
.pricing-compare { margin-top: 26px; overflow-x: auto; }
.pricing-comparison-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.pricing-comparison-table th, .pricing-comparison-table td { padding: 12px 14px; text-align: left; vertical-align: top; border-top: 1px solid var(--paper-line); }
.pricing-comparison-table thead th { border-top: 0; border-bottom: 2px solid var(--ink); }
.pricing-comparison-table tbody th { color: var(--ink); font-weight: 700; }
.pricing-comparison-table td { color: var(--muted); }
.pricing-comparison-table td:last-child { color: var(--ink); font-weight: 640; }
.pricing-tier-name { display: block; color: var(--ink); font-size: 14px; font-weight: 760; }
.pricing-tier-meta { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: .04em; }
.pricing-tier-unavailable { color: var(--paper-line); }
.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; }

/* FAQ */
.faq-section { background: var(--paper-deep); }
.faq-shell { display: grid; grid-template-columns: minmax(240px, .55fr) minmax(0, 1.15fr); gap: clamp(44px, 9vw, 150px); align-items: start; }
.faq-heading { position: sticky; top: 108px; }.faq-heading h2 { font-size: clamp(2.5rem, 4vw, 4.5rem); }.faq-heading > p:last-child { max-width: 250px; }
.faq-list { border-top: 1px solid var(--paper-line); }
.faq-item { border-bottom: 1px solid var(--paper-line); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 65px; color: var(--ink); cursor: pointer; font-size: 15px; font-weight: 720; list-style: none; }.faq-item summary::-webkit-details-marker { display: none; }.faq-item summary::after { content: "＋"; flex-shrink: 0; color: var(--signal-deep); font-size: 22px; font-weight: 400; transition: transform 220ms ease; }.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { max-width: 680px; margin: -1px 34px 22px 0; color: var(--muted); font-size: 14px; line-height: 1.75; }.faq-item p a { color: var(--signal-deep); text-decoration: underline; text-underline-offset: 3px; }

/* Footer and modal */
.site-footer { padding: 55px 0 27px; color: var(--paper); background: var(--ink); }
.footer-top { display: flex; justify-content: space-between; gap: 40px; padding-bottom: 52px; }.wordmark-footer { color: var(--paper); }.footer-brand p { margin: 13px 0 0; color: var(--ink-muted); font-size: 13px; }.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 24px; max-width: 630px; }.footer-links a { color: var(--ink-muted); font-size: 13px; transition: color 150ms ease; }.footer-links a:hover { color: var(--paper); }.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 17px; color: #77827f; border-top: 1px solid var(--ink-line); font-size: 10px; font-weight: 740; letter-spacing: .09em; }
.contact-modal { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 24px; visibility: hidden; opacity: 0; transition: opacity 220ms ease, visibility 220ms ease; }.contact-modal.open { visibility: visible; opacity: 1; }.contact-modal-backdrop { position: absolute; inset: 0; background: rgba(17, 24, 32, .72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }.contact-modal-content { position: relative; width: min(100%, 480px); max-height: min(720px, calc(100svh - 48px)); overflow: auto; padding: 28px; color: var(--ink); background: var(--paper); box-shadow: 22px 24px 0 rgba(0, 0, 0, .22); }.contact-modal-close { position: absolute; top: 14px; right: 17px; width: 36px; height: 36px; border: 1px solid var(--paper-line); color: var(--ink); background: transparent; cursor: pointer; font-size: 25px; line-height: 1; }.modal-code { margin-top: 0; color: var(--signal-deep); }.contact-modal-content h2 { margin: 0; font-size: 34px; letter-spacing: -.045em; }.contact-modal-desc { max-width: 330px; margin: 11px 0 25px; color: var(--muted); font-size: 14px; }.contact-list-label { margin: 22px 0 8px; color: #78807c; font-size: 10px; font-weight: 780; letter-spacing: .1em; text-transform: uppercase; }.contact-list { display: grid; gap: 6px; }.contact-item, .contact-email-primary { display: grid; grid-template-columns: 30px minmax(0, 1fr) 20px; gap: 12px; align-items: center; padding: 12px 13px; color: var(--ink) !important; border: 1px solid var(--paper-line); background: rgba(255, 255, 255, .26); font-size: 17px; transition: border-color 160ms ease, transform 160ms ease; }.contact-item:hover, .contact-email-primary:hover { border-color: var(--signal); transform: translateX(3px); }.contact-symbol { color: var(--signal-deep); font-weight: 760; }.contact-item b, .contact-email-primary b { display: block; font-size: 13px; font-weight: 750; }.contact-item small, .contact-email-primary small { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; }.contact-email-primary { margin-top: 10px; border-color: var(--ink); background: var(--ink); color: var(--paper) !important; }.contact-email-primary small { color: var(--ink-muted); }.contact-email-primary .contact-symbol { color: var(--relay); }

/* Focus, states, and responsive composition */
body.site-redesign :focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }

/* Subpages: shared inner-page layer (download / about / contact / legal / support) */
.subpage-main { padding: clamp(52px, 7vw, 88px) 0 clamp(76px, 9vw, 110px); }
.page-hero { max-width: 780px; }
.page-hero .page-title { margin: 14px 0 0; color: var(--ink); font-size: clamp(2.5rem, 5.4vw, 4.2rem); font-weight: 780; letter-spacing: -.05em; line-height: 1.06; }
.page-hero .page-title em { color: var(--signal-deep); font-family: var(--serif); font-style: italic; font-weight: 500; }
.page-lede { max-width: 640px; margin: 18px 0 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.page-hero .availability { margin-top: 24px; }
.page-lede a, .prose a, .fact a, .sub-steps a { color: var(--signal-deep); text-decoration: underline; text-underline-offset: 3px; }

.sub-section { margin-top: clamp(48px, 6vw, 76px); }
.sub-section > h2 { margin: 10px 0 6px; color: var(--ink); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 760; letter-spacing: -.035em; }
.sub-section > .sub-lede { max-width: 620px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.panel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 26px; }
.panel { padding: 20px 22px; border: 1px solid var(--paper-line); background: rgba(255, 255, 255, .3); }
.panel h3 { margin: 0 0 6px; color: var(--ink); font-size: 16px; font-weight: 740; }
.panel p, .panel li { color: var(--muted); font-size: 13px; line-height: 1.7; }
.panel p { margin: 0; }
.panel ul { margin: 0; padding-left: 18px; }

.sub-steps { margin: 26px 0 0; padding: 0; list-style: none; counter-reset: substep; border-top: 1px solid var(--paper-line); }
.sub-steps li { counter-increment: substep; display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 16px; padding: 17px 0; border-bottom: 1px solid var(--paper-line); color: var(--text); font-size: 14px; line-height: 1.7; }
.sub-steps li::before { content: counter(substep, decimal-leading-zero); padding-top: 4px; color: var(--signal-deep); font-size: 12px; font-weight: 780; letter-spacing: .08em; }

.fact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; margin-top: 26px; border-top: 1px solid var(--paper-line); }
.fact { padding: 17px 0; border-bottom: 1px solid var(--paper-line); }
.fact dt { color: var(--ink); font-size: 14px; font-weight: 740; }
.fact dd { margin: 5px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.sub-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(42px, 5vw, 60px); }
.sub-actions .action-light { margin-top: 0; }
.sub-note { max-width: 640px; margin: 18px 0 0; padding: 14px 16px; border-left: 3px solid var(--signal); background: rgba(255, 255, 255, .3); color: var(--muted); font-size: 13px; line-height: 1.7; }

/* Prose: legal and document pages */
.prose { max-width: 780px; }
.prose .doc-date { margin: 16px 0 0; color: var(--muted); font-size: 13px; }
.prose h2 { margin: 46px 0 12px; padding-top: 26px; border-top: 1px solid var(--paper-line); color: var(--ink); font-size: 21px; font-weight: 740; letter-spacing: -.02em; }
.prose h3 { margin: 28px 0 8px; color: var(--ink); font-size: 16px; font-weight: 720; }
.prose p, .prose li { color: #3a4344; font-size: 14px; line-height: 1.85; }
.prose p { margin: 10px 0; }
.prose ul { margin: 10px 0; padding-left: 20px; }
.prose li { margin: 6px 0; }
.prose code { padding: 1px 6px; border: 1px solid var(--paper-line); border-radius: 6px; background: rgba(255, 255, 255, .4); font-size: 12.5px; }

/* Authorization / historical support pages (account / activate-tv / payment result) */
.auth-layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(36px, 6vw, 80px); align-items: start; }
.auth-eyebrow { margin: 0; color: var(--signal-deep); font-size: 11px; font-weight: 780; letter-spacing: .12em; text-transform: uppercase; }
.auth-title { margin: 12px 0 0; color: var(--ink); font-size: clamp(2rem, 4vw, 3rem); font-weight: 780; letter-spacing: -.045em; line-height: 1.08; }
.auth-intro { margin: 16px 0 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.auth-boundary { margin-top: 26px; padding: 14px 16px; border-left: 3px solid var(--signal); background: rgba(255, 255, 255, .3); color: var(--muted); font-size: 13px; line-height: 1.7; }
.auth-boundary strong { color: var(--ink); }
.auth-tool { padding: 26px; border: 1px solid var(--paper-line); background: rgba(255, 255, 255, .3); }
.auth-form { display: grid; gap: 16px; }
.auth-form .form-field { display: grid; gap: 7px; }
.auth-form label { color: var(--ink); font-size: 13px; font-weight: 720; }
.auth-form input { width: 100%; min-height: 46px; padding: 0 13px; border: 1px solid var(--paper-line); border-radius: 9px; background: var(--paper); color: var(--text); font: inherit; font-size: 14px; }
.auth-form input:focus { outline: 2px solid var(--signal); outline-offset: 1px; border-color: transparent; }
.field-hint { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.auth-form .action-primary { width: 100%; border: 0; cursor: pointer; }
.auth-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--paper-line); border-radius: 10px; background: transparent; color: var(--ink); font-size: 13px; font-weight: 700; cursor: pointer; transition: border-color 160ms ease; }
.auth-secondary:hover { border-color: var(--signal); }
.auth-link-btn { padding: 0; border: 0; background: none; color: var(--signal-deep); font-size: inherit; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.auth-status { margin: 0; font-size: 13px; line-height: 1.6; }
.auth-status.error { color: var(--signal-deep); }
.auth-status.ok { color: #4d7c2a; }
.auth-panel { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--paper-line); }
.auth-panel h2 { margin: 0 0 12px; color: var(--ink); font-size: 16px; font-weight: 740; }
.auth-list { margin: 0; padding: 0; list-style: none; }
.auth-list li { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 11px 0; border-bottom: 1px solid var(--paper-line); color: var(--text); font-size: 13px; }
.auth-list li small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; }
.license-box { margin: 14px 0; padding: 16px; border: 1px dashed var(--signal-deep); background: rgba(255, 255, 255, .4); text-align: center; }
.license-box .license-label { color: var(--muted); font-size: 10px; font-weight: 780; letter-spacing: .12em; text-transform: uppercase; }
.license-box .license-key { margin-top: 8px; color: var(--ink); font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 17px; font-weight: 700; letter-spacing: .04em; word-break: break-all; }
.payment-spinner { width: 34px; height: 34px; margin: 18px auto; border: 3px solid var(--paper-line); border-top-color: var(--signal); border-radius: 50%; animation: signal-spin 800ms linear infinite; }
@keyframes signal-spin { to { transform: rotate(360deg); } }

/* JS-driven states on support pages */
[hidden] { display: none !important; }
.result-icon { display: grid; place-items: center; width: 44px; height: 44px; margin: 18px auto 0; border-radius: 50%; color: var(--paper); background: var(--ink); font-size: 15px; font-weight: 800; }
.result-icon.success { background: #4d7c2a; }
.result-icon.cancel { background: var(--signal-deep); }
.account-device { display: grid; gap: 3px; padding: 13px 14px; border: 1px solid var(--paper-line); background: rgba(255, 255, 255, .3); }
.account-device-empty { color: var(--muted); }
.account-device-platform { color: var(--muted); font-size: 10px; font-weight: 780; letter-spacing: .1em; text-transform: uppercase; }
.account-device-name { color: var(--ink); font-size: 14px; font-weight: 700; }
.account-device-seen { color: var(--muted); font-size: 12px; }
.account-device-revoke { justify-self: start; margin-top: 6px; padding: 0; border: 0; background: none; color: var(--signal-deep); font-size: 12px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.account-state-active { color: #4d7c2a; font-weight: 700; }
.account-state-inactive { color: var(--signal-deep); font-weight: 700; }
.account-notice { color: var(--muted); font-size: 12px; line-height: 1.6; }

/* Result stage: 404 / payment result */
.result-stage { display: grid; place-items: center; min-height: calc(100svh - var(--nav-height)); padding: 60px 24px; }
.result-panel { width: min(100%, 520px); padding: 40px 36px; text-align: center; border: 1px solid var(--paper-line); background: rgba(255, 255, 255, .34); }
.result-panel .result-code { margin: 0; color: var(--signal-deep); font-size: 11px; font-weight: 780; letter-spacing: .12em; text-transform: uppercase; }
.result-panel h1 { margin: 14px 0 10px; color: var(--ink); font-size: 30px; letter-spacing: -.03em; }
.result-panel p { margin: 0 0 8px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.result-panel .action-primary, .result-panel .action-secondary { width: 100%; margin-top: 20px; }

@media (max-width: 760px) {
  .subpage-main { padding: 44px 0 76px; }
  .page-hero .page-title { font-size: clamp(2.2rem, 9vw, 3rem); }
  .panel-grid, .fact-grid { grid-template-columns: 1fr; }
  .fact-grid { gap: 0; }
  .auth-layout { grid-template-columns: 1fr; }
  .sub-actions .action-primary, .sub-actions .action-secondary, .sub-actions .action-light { width: 100%; }
}

@media (max-width: 1020px) {
  .site-shell { width: min(calc(100% - 48px), var(--max)); }
  .nav-links { gap: 16px; }.nav-links a { font-size: 12px; }.nav-contact { display: none; }
  .hero-shell { grid-template-columns: minmax(0, .92fr) minmax(360px, 1.08fr); gap: 42px; }
  .hero-copy h1 { font-size: clamp(3rem, 6vw, 5.1rem); }
  .field-layout, .evidence-shell, .watch-shell, .device-shell { gap: 48px; }
  .platform-row { grid-template-columns: 14px minmax(115px, .65fr) minmax(80px, .45fr) minmax(145px, .8fr) minmax(120px, .6fr); }
}
@media (max-width: 760px) {
  .site-shell { width: min(calc(100% - 40px), var(--max)); }
  :root { --nav-height: 62px; }
  .signal-nav-inner { gap: 10px; }.nav-links, .nav-contact { display: none; }.nav-actions { margin-left: auto; }.nav-cta { padding: 9px 11px; font-size: 12px; }.menu-trigger { display: block; }
  .mobile-menu { position: fixed; inset: 0; z-index: 70; flex-direction: column; padding: 22px 20px 28px; color: var(--paper); background: var(--ink); transform: translateY(-12px); opacity: 0; visibility: hidden; transition: opacity 220ms ease, transform 320ms cubic-bezier(.16, 1, .3, 1), visibility 220ms ease; }.mobile-menu.open { display: flex; transform: none; opacity: 1; visibility: visible; }.mobile-menu-top { display: flex; justify-content: space-between; align-items: center; }.mobile-menu-label { color: var(--ink-muted); font-size: 10px; font-weight: 760; letter-spacing: .12em; }.mobile-menu-close { width: 38px; height: 38px; border: 1px solid var(--ink-line); color: var(--paper); background: transparent; cursor: pointer; font-size: 26px; line-height: 1; }.mobile-menu-links { display: grid; gap: 0; margin-top: 12vh; }.mobile-menu-links a { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--ink-line); color: var(--paper); font-size: clamp(25px, 7vw, 40px); font-weight: 720; letter-spacing: -.04em; }.mobile-menu-links span { color: var(--relay); font-size: 11px; font-weight: 760; letter-spacing: .08em; }.mobile-menu-cta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding: 16px; color: var(--ink) !important; background: var(--relay); font-size: 15px; font-weight: 760; }
  .signal-hero { min-height: auto; padding: 54px 0 22px; }.hero-gridline { opacity: .23; }.hero-shell { display: flex; flex-direction: column; align-items: stretch; gap: 48px; }.hero-copy { padding-bottom: 0; }.availability { max-width: 100%; font-size: 11px; }.hero-index { margin-top: 27px; }.hero-copy h1 { max-width: 620px; font-size: clamp(3rem, 13vw, 5rem); }.hero-lede { margin-top: 23px; font-size: 16px; }.hero-actions { margin-top: 26px; }.hero-facts { margin-top: 34px; gap: 12px 18px; }.signal-desk { padding: 9px; border-radius: 17px; box-shadow: 10px 12px 0 rgba(17, 24, 32, .1), 0 20px 44px rgba(17, 24, 32, .18); }.desk-topline { padding-bottom: 8px; }.desk-danmaku { font-size: 9px; }.desk-bottomline { min-height: 60px; padding: 10px 3px 8px; }.desk-detail { font-size: 11px; }.desk-signal { font-size: 8px; }.signal-tab { min-height: 35px; font-size: 10px; }.hero-bottom-mark { margin-top: 55px; font-size: 9px; }
  .field-section, .platform-section, .device-section, .pricing-section, .faq-section, .evidence-section, .watch-section { padding: 84px 0; }.split-heading, .platform-intro, .field-layout, .evidence-shell, .watch-shell, .device-shell, .faq-shell { display: flex; flex-direction: column; align-items: stretch; gap: 42px; }.section-heading > p, .platform-intro > p:last-child, .pricing-heading > p:last-child, .faq-heading > p:last-child { margin-top: 20px; }.section-heading h2, .platform-intro h2, .device-copy h2, .pricing-heading h2, .faq-heading h2, .evidence-copy h2, .watch-copy h2 { font-size: clamp(2.55rem, 11vw, 4.4rem); }.field-layout { margin-top: 50px; }.screen-frame { box-shadow: 10px 12px 0 rgba(17, 24, 32, .08); }.field-steps { gap: 0; }.field-step { padding: 19px 0; }.evidence-shell { gap: 47px; }.danmaku-frame { box-shadow: 10px 12px 0 rgba(0, 0, 0, .18); }.platform-intro > p:last-child { margin-left: 0; }.platform-list { margin-top: 49px; }.platform-row { grid-template-columns: 10px minmax(0, 1fr) auto; gap: 10px; min-height: 70px; }.platform-row strong { font-size: 16px; }.platform-zh { grid-column: 2; grid-row: 2; margin-top: -18px; font-size: 11px; }.platform-capabilities { grid-column: 3; grid-row: 1 / span 2; text-align: right; font-size: 11px; }.platform-note { grid-column: 2 / span 2; grid-row: 3; padding-bottom: 13px; text-align: left; font-size: 11px; }.platform-footnote { margin-top: 20px; }.watch-copy { padding-top: 0; }.watch-console { padding: 16px 14px 17px; }.watch-timeline::before { left: 67px; }.watch-event { grid-template-columns: 48px 39px minmax(0, 1fr); min-height: 94px; }.watch-node { margin-left: 13px; }.watch-event strong { font-size: 15px; }.watch-event p { font-size: 12px; }.device-visual { min-height: 410px; }.phone-device { width: 37%; left: 4%; }.tv-device { width: 84%; }.device-copy > p:not(.section-code) { margin-top: 22px; }.pricing-grid { display: flex; flex-direction: column; gap: 14px; }.tier { min-height: 500px; }.pricing-notes { display: grid; grid-template-columns: 1fr; gap: 13px; }.faq-heading { position: static; }.faq-list { width: 100%; }.faq-item summary { min-height: 62px; font-size: 14px; }.faq-item p { margin-right: 0; font-size: 13px; }.footer-top { flex-direction: column; gap: 34px; }.footer-links { justify-content: flex-start; gap: 10px 17px; }.footer-bottom { flex-direction: column; gap: 8px; }
}
@media (max-width: 450px) {
  .site-shell { width: min(calc(100% - 32px), var(--max)); }.nav-cta { display: none; }.signal-nav-inner { height: 62px; }.availability { display: flex; align-items: flex-start; line-height: 1.35; }.availability-arrow { margin-left: auto; }.hero-copy h1 { font-size: clamp(2.8rem, 14vw, 4rem); }.hero-actions { flex-direction: column; align-items: stretch; }.action-primary, .action-secondary { width: 100%; }.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }.hero-facts span { display: block; line-height: 1.5; }.hero-facts b { display: block; }.desk-overlay { left: 9px; right: 9px; font-size: 8px; }.desk-danmaku { display: none; }.desk-clock { gap: 3px; }.desk-signal { display: none; }.signal-tabs { grid-template-columns: repeat(5, minmax(47px, 1fr)); overflow-x: auto; }.signal-tab { font-size: 9px; }.hero-bottom-mark span:first-child { max-width: 180px; line-height: 1.4; }.field-section, .platform-section, .device-section, .pricing-section, .faq-section, .evidence-section, .watch-section { padding: 70px 0; }.section-heading h2, .platform-intro h2, .device-copy h2, .pricing-heading h2, .faq-heading h2, .evidence-copy h2, .watch-copy h2 { font-size: clamp(2.35rem, 12vw, 3.5rem); }.frame-label { padding: 10px; font-size: 8px; }.screen-frame figcaption, .danmaku-frame figcaption { padding: 10px; font-size: 11px; }.platform-row { grid-template-columns: 9px minmax(0, 1fr); gap: 8px; padding: 12px 0; }.platform-capabilities, .platform-note { grid-column: 2; grid-row: auto; text-align: left; }.platform-zh { grid-column: 2; grid-row: auto; margin: 0; }.platform-note { padding: 0; }.watch-console-head { font-size: 8px; }.watch-event { grid-template-columns: 40px 31px minmax(0, 1fr); }.watch-timeline::before { left: 55px; }.watch-node { margin-left: 10px; }.watch-event strong { font-size: 14px; }.watch-event p { font-size: 11px; }.watch-event small { font-size: 8px; }.device-visual { min-height: 300px; }.phone-device { border-radius: 22px; }.phone-device img { border-radius: 18px; }.phone-speaker { top: 9px; width: 40px; height: 10px; }.tv-device { padding: 6px; }.tv-device-top { height: 10px; }.tv-device-top span { width: 4px; height: 4px; }.tier { min-height: 530px; padding: 20px 18px; }.tier h3 { margin-top: 38px; font-size: 31px; }.tier-action { right: 18px; bottom: 18px; left: 18px; }.tier-list li { display: block; }.tier-list b { display: block; margin-top: 3px; text-align: left; }.contact-modal { padding: 12px; }.contact-modal-content { padding: 23px 17px 18px; }.contact-modal-content h2 { font-size: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.is-visible { opacity: 1; transform: none; transition: none; }
  .broadcast-track { animation: none; }
  .payment-spinner { animation: none; }
  .signal-desk { transform: none !important; transition: none; }
  .action-primary, .action-secondary, .action-light, .tier-action, .nav-cta, .availability { transition: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .signal-nav { background: var(--paper); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .contact-modal-backdrop { background: rgba(17, 24, 32, .88); backdrop-filter: none; -webkit-backdrop-filter: none; }
}