:root {
  --ink: #20212a;
  --muted: #6e7180;
  --line: #dedee7;
  --paper: #f7f7fb;
  --white: #ffffff;
  --purple: #6c51d9;
  --purple-deep: #5640bd;
  --green: #3b916f;
  --orange: #d47a3b;
  --shadow: 0 24px 70px rgba(39, 32, 73, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.section-shell { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }

.site-header { position: sticky; top: 0; z-index: 50; height: 74px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 42px; padding: 0 max(24px, calc((100vw - 1240px) / 2)); background: rgba(247,247,251,.88); border-bottom: 1px solid rgba(222,222,231,.75); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.02em; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; color: white; background: linear-gradient(145deg, #7d65e5, #5b43c7); border-radius: 11px; box-shadow: 0 8px 20px rgba(108,81,217,.22); }
.site-nav { justify-self: center; display: flex; gap: 32px; color: #545765; font-size: 14px; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: var(--purple); }
.menu-button { display: none; border: 0; background: none; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 54px; padding: 0 24px; border: 1px solid transparent; border-radius: 15px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--purple); box-shadow: 0 14px 30px rgba(108,81,217,.23); }
.button-primary:hover { background: var(--purple-deep); }
.button-dark { color: white; background: var(--ink); }
.button-small { min-height: 42px; padding: 0 20px; border-radius: 12px; font-size: 14px; }
.button-quiet { background: rgba(255,255,255,.7); border-color: var(--line); }
.button-light { color: var(--ink); background: white; border-color: rgba(255,255,255,.1); }
.button-white { color: var(--purple-deep); background: white; }

.hero { min-height: 740px; display: grid; grid-template-columns: .87fr 1.13fr; align-items: center; gap: 56px; padding-block: 90px 100px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; color: var(--purple); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow span { width: 24px; height: 2px; background: currentColor; }
.hero h1, .section-heading h2, .field-copy h2, .download-copy h2, .final-cta h2 { margin: 0; font-size: clamp(44px, 5.6vw, 78px); line-height: 1.08; letter-spacing: -.055em; }
.hero h1 em { color: var(--purple); font-style: normal; }
.hero-intro { max-width: 610px; margin: 30px 0 34px; color: var(--muted); font-size: 18px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 11px 22px; margin-top: 34px; color: #777a88; font-size: 13px; }
.hero-proof span::before { content: "✓"; margin-right: 7px; color: var(--green); font-weight: 900; }
.hero-visual { position: relative; transform: rotate(1deg); }
.hero-visual img { position: relative; z-index: 1; width: 100%; border: 9px solid white; border-radius: 28px; box-shadow: var(--shadow); }
.visual-glow { position: absolute; inset: 15% 6% -4%; background: radial-gradient(circle, rgba(108,81,217,.26), transparent 70%); filter: blur(30px); }
.live-chip, .team-chip { position: absolute; z-index: 2; display: flex; align-items: center; padding: 12px 16px; background: rgba(255,255,255,.94); border: 1px solid rgba(222,222,231,.7); border-radius: 15px; box-shadow: 0 16px 35px rgba(34,35,44,.15); font-size: 13px; font-weight: 700; backdrop-filter: blur(12px); }
.live-chip { top: -18px; right: 28px; }
.live-chip i { width: 8px; height: 8px; margin-right: 8px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 5px rgba(59,145,111,.13); }
.team-chip { left: -22px; bottom: -20px; }
.team-chip span { display: grid; place-items: center; width: 30px; height: 30px; margin-right: -7px; color: white; background: var(--purple); border: 2px solid white; border-radius: 50%; }
.team-chip span:nth-child(2) { background: var(--orange); }.team-chip span:nth-child(3) { background: var(--green); }
.team-chip b { margin-left: 17px; }
.trust-strip { overflow: hidden; padding: 22px 0; color: #9a9ba5; background: white; border-block: 1px solid var(--line); }
.marquee { display: flex; align-items: center; justify-content: center; gap: clamp(22px, 4vw, 62px); white-space: nowrap; font-weight: 700; }
.marquee i { color: #c8c2eb; font-style: normal; }

.section { padding-block: 120px; }
.section-heading { max-width: 790px; margin-bottom: 58px; }
.section-heading h2, .field-copy h2, .download-copy h2, .final-cta h2 { font-size: clamp(38px, 4.5vw, 62px); }
.section-heading > p:last-child { max-width: 650px; margin: 24px 0 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.section-heading.centered { max-width: 800px; margin-inline: auto; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading.centered > p:last-child { margin-inline: auto; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { position: relative; min-height: 390px; padding: 34px; overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 25px; box-shadow: 0 12px 36px rgba(38,38,55,.045); }
.feature-card-wide { grid-column: 1 / -1; min-height: 440px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; padding: 54px; }
.feature-number { position: absolute; top: 28px; right: 30px; color: #c9cad1; font-size: 13px; font-weight: 800; }
.card-kicker { margin: 0 0 13px; color: var(--purple); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.feature-card h3 { max-width: 520px; margin: 0 0 18px; font-size: 26px; line-height: 1.3; letter-spacing: -.035em; }
.feature-card > p, .feature-card > div > p:last-child { color: var(--muted); line-height: 1.8; }
.feature-icon { display: grid; place-items: center; width: 52px; height: 52px; margin: 40px 0 52px; color: white; background: var(--purple); border-radius: 16px; font-weight: 800; }
.icon-media { background: var(--orange); }.icon-live { background: var(--green); }
.mini-rundown { padding: 18px; background: #f5f5f9; border: 1px solid #e3e3eb; border-radius: 18px; transform: rotate(-1deg); }
.mini-rundown > div { display: grid; grid-template-columns: 72px 1fr auto; align-items: center; min-height: 64px; padding: 0 16px; background: white; border-bottom: 1px solid #eeeeF3; font-size: 13px; }
.mini-rundown > div:first-child { min-height: 38px; color: #999ba6; background: transparent; font-size: 11px; }
.mini-rundown b { padding: 7px 9px; border-radius: 8px; font-size: 10px; }
.tag-live { color: var(--green); background: #e6f3ed; }.tag-wait { color: var(--orange); background: #fbede3; }.tag-ready { color: var(--purple); background: #eeebfc; }

.section-dark { color: white; background: #20212a; }
.section-heading-light .eyebrow { color: #a996ff; }
.workflow-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid #40414a; }
.workflow-list li { display: grid; grid-template-columns: 100px 1fr auto; align-items: center; gap: 28px; min-height: 150px; border-bottom: 1px solid #40414a; }
.workflow-list b { color: #898b96; font-size: 13px; }
.workflow-list h3 { margin: 0 0 10px; font-size: 27px; }
.workflow-list p { margin: 0; color: #adafba; }
.workflow-list li > span { display: grid; place-items: center; width: 70px; height: 70px; color: #b7aaff; border: 1px solid #5a5b66; border-radius: 50%; font-size: 13px; }

.role-tabs { padding: 24px; background: white; border: 1px solid var(--line); border-radius: 27px; box-shadow: var(--shadow); }
.role-tablist { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 7px; background: #f3f3f7; border-radius: 15px; }
.role-tablist button { min-height: 48px; color: #6d6f7c; background: transparent; border: 0; border-radius: 11px; cursor: pointer; }
.role-tablist button[aria-selected="true"] { color: var(--purple); background: white; box-shadow: 0 4px 15px rgba(40,40,60,.08); font-weight: 800; }
.role-panel { min-height: 380px; display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; padding: 54px 60px 38px; }
.role-panel[hidden] { display: none; }
.role-panel > div:first-child > p { margin: 0 0 12px; color: var(--purple); font-weight: 800; }
.role-panel h3 { margin: 0 0 24px; font-size: 34px; letter-spacing: -.03em; }
.role-panel ul { margin: 0; padding: 0; color: var(--muted); list-style: none; line-height: 2.1; }
.role-panel li::before { content: "✓"; margin-right: 11px; color: var(--green); font-weight: 900; }
.role-stage { min-height: 230px; display: flex; flex-direction: column; justify-content: center; padding: 38px; color: white; background: linear-gradient(145deg, #7259de, #523eb0); border-radius: 24px; box-shadow: 0 24px 55px rgba(88,65,190,.25); }
.role-stage > span { margin-bottom: 24px; font-size: 12px; opacity: .72; letter-spacing: .12em; }
.role-stage strong { font-size: 28px; }
.role-stage small { margin-top: 13px; opacity: .76; }
.role-stage button { align-self: flex-start; margin-top: 30px; padding: 10px 24px; color: white; background: #d45e62; border: 0; border-radius: 10px; font-weight: 800; }
.performer-stage { background: linear-gradient(145deg, #d68548, #bb6332); }.av-stage { background: linear-gradient(145deg, #2e313b, #191a21); }.crew-stage { background: linear-gradient(145deg, #4c9c7d, #2f735b); }
.progress { height: 6px; margin-top: 32px; overflow: hidden; background: rgba(255,255,255,.15); border-radius: 4px; }.progress i { display: block; width: 65%; height: 100%; background: #9f8bea; }

.field-section { background: #ececf3; }
.field-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; }
.field-copy > p:not(.eyebrow) { margin: 28px 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.field-points { display: grid; gap: 11px; color: #555864; font-size: 14px; }
.field-points span::first-letter { color: var(--green); }
.field-demo { overflow: hidden; background: white; border-radius: 24px; box-shadow: var(--shadow); }
.field-window-top { display: flex; align-items: center; gap: 7px; height: 54px; padding: 0 20px; color: #8d8f99; background: #20212a; font-size: 12px; }
.field-window-top i { width: 9px; height: 9px; background: #6a6b73; border-radius: 50%; }.field-window-top span { margin-left: 12px; }
.field-row { display: grid; grid-template-columns: 78px 74px 1fr auto; align-items: center; min-height: 82px; padding: 0 20px; border-bottom: 1px solid #ececf1; }
.field-row button { padding: 10px 13px; color: white; background: var(--green); border: 0; border-radius: 9px; font-weight: 800; }
.field-row b { color: #666975; font-size: 13px; }.field-row span { font-weight: 750; }.field-row em { font-size: 11px; font-style: normal; }
.field-row.done { color: #a3a4ac; background: #f5f5f7; }.field-row.done button { color: #777985; background: #e7e7eb; }.field-row.live { background: #edf8f3; box-shadow: inset 5px 0 var(--green); }.field-row.live button { background: #d05e61; }.field-row.live em { color: var(--green); font-weight: 800; }.field-row.waiting { background: #fff6ed; }.field-row.waiting em { color: var(--orange); font-weight: 800; }

.download-section { padding-top: 120px; }
.download-card { display: grid; grid-template-columns: 1.15fr .85fr; overflow: hidden; color: white; background: var(--purple); border-radius: 32px; box-shadow: 0 28px 70px rgba(85,60,190,.24); }
.download-copy { padding: 72px; }.download-copy .eyebrow { color: #d9d1ff; }.download-copy > p:not(.eyebrow) { max-width: 600px; margin: 28px 0 32px; color: #ddd8f8; line-height: 1.8; }
.download-actions { display: flex; flex-wrap: wrap; gap: 12px; }.download-copy .button-primary { color: var(--purple-deep); background: white; box-shadow: none; }.download-copy .button-light { color: white; background: rgba(255,255,255,.11); }
.download-meta { margin: 22px; padding: 42px; color: var(--ink); background: white; border-radius: 23px; }
.download-meta img { width: 92px; border-radius: 21px; box-shadow: 0 13px 25px rgba(60,52,95,.16); }
.download-meta h3 { margin: 24px 0 7px; font-size: 26px; }.download-meta > p { color: var(--muted); }
.download-meta dl { margin: 28px 0 18px; border-top: 1px solid var(--line); }.download-meta dl div { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 13px; }.download-meta dt { color: var(--muted); }.download-meta dd { margin: 0; font-weight: 700; text-align: right; }
.text-button { padding: 8px 0; color: var(--purple); background: none; border: 0; cursor: pointer; font-weight: 800; }
.install-note { margin-top: 14px; padding: 15px; color: #656875; background: #f5f4fa; border-radius: 12px; font-size: 12px; line-height: 1.7; }.install-note p { margin: 0 0 8px; }.install-note p:last-child { margin: 0; }.install-note code { word-break: break-all; }

.faq-section { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; gap: 20px; padding: 28px 0; cursor: pointer; font-size: 18px; font-weight: 750; list-style: none; }.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary span { color: var(--purple); font-size: 24px; transition: transform .2s; }.faq-list details[open] summary span { transform: rotate(45deg); }.faq-list details p { max-width: 650px; margin: -8px 0 28px; color: var(--muted); line-height: 1.8; }
.final-cta { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 60px; padding: 70px; color: white; background: #20212a; border-radius: 30px; }
.final-cta p { color: #a9aab2; }.final-cta h2 { font-size: clamp(35px, 4vw, 56px); }
.site-footer { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 28px; padding-block: 46px; border-top: 1px solid var(--line); }.site-footer > p { justify-self: end; color: var(--muted); }.site-footer > div { display: flex; gap: 24px; font-size: 13px; }.site-footer small { justify-self: end; color: #9698a2; }

.reveal { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .site-header { grid-template-columns: auto auto 1fr; gap: 20px; }.site-nav { display: none; position: absolute; top: 74px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 10px 24px 24px; background: rgba(247,247,251,.98); border-bottom: 1px solid var(--line); }.site-nav.open { display: flex; }.site-nav a { padding: 14px 0; }.menu-button { display: grid; gap: 4px; width: 36px; padding: 8px; cursor: pointer; }.menu-button span:not(.sr-only) { display: block; width: 19px; height: 2px; background: var(--ink); }.header-action { justify-self: end; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 70px; }.hero-copy { max-width: 760px; }.hero-visual { max-width: 780px; margin: 20px auto 0; }
  .feature-grid { grid-template-columns: 1fr 1fr; }.feature-card-wide { grid-template-columns: 1fr; gap: 36px; }.feature-card:last-child { grid-column: 1 / -1; }
  .field-grid, .faq-section { grid-template-columns: 1fr; }.download-card { grid-template-columns: 1fr; }.download-copy { padding: 58px; }.faq-section { gap: 20px; }
}

@media (max-width: 680px) {
  .section-shell { width: min(100% - 28px, 1240px); }.site-header { padding-inline: 16px; }.header-action { display: none; }
  .hero { padding-block: 60px 80px; gap: 34px; }.hero h1 { font-size: 47px; }.hero-intro { font-size: 16px; }.hero-actions .button { width: 100%; }.live-chip { top: -14px; right: 10px; }.team-chip { left: 7px; bottom: -30px; }
  .marquee { justify-content: flex-start; padding-inline: 22px; overflow-x: auto; }
  .section { padding-block: 82px; }.section-heading { margin-bottom: 38px; }.feature-grid { grid-template-columns: 1fr; }.feature-card, .feature-card-wide { grid-column: auto; min-height: auto; padding: 28px; }.feature-card-wide { padding-top: 60px; }.feature-icon { margin: 34px 0; }
  .workflow-list li { grid-template-columns: 48px 1fr; min-height: 150px; }.workflow-list li > span { display: none; }.workflow-list p { line-height: 1.6; }
  .role-tabs { padding: 12px; }.role-tablist { grid-template-columns: 1fr 1fr; }.role-panel { grid-template-columns: 1fr; gap: 34px; padding: 38px 20px 22px; }.role-stage { min-height: 210px; }
  .field-grid { gap: 45px; }.field-demo { overflow-x: auto; }.field-window-top, .field-row { min-width: 600px; }
  .download-copy { padding: 42px 28px; }.download-actions .button { width: 100%; }.download-meta { margin: 10px; padding: 28px 22px; }
  .final-cta { align-items: stretch; flex-direction: column; padding: 44px 28px; }.site-footer { grid-template-columns: 1fr; }.site-footer > p, .site-footer small { justify-self: start; }.site-footer > div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.reveal { opacity: 1; transform: none; transition: none; }.button { transition: none; } }