:root {
  --black: #101212;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --canvas: #f5f5f7;
  --paper: #ffffff;
  --green: #1f7a55;
  --green-dark: #155b3e;
  --green-soft: #e8f4ee;
  --blue: #3e6f91;
  --orange: #c5822b;
  --pink: #b85d89;
  font-family: Inter, "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { min-width: 320px; margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 52px; border-bottom: 1px solid transparent; background: rgba(250,250,252,.78); backdrop-filter: saturate(180%) blur(20px); transition: border-color .25s ease, background .25s ease; }
.site-header.scrolled { border-bottom-color: rgba(0,0,0,.08); background: rgba(250,250,252,.92); }
.site-nav { width: min(1080px, calc(100% - 36px)); height: 100%; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 8px; justify-self: start; font-size: 13px; font-weight: 650; }
.brand-mark { width: 26px; height: 26px; display: inline-grid; place-items: center; border-radius: 7px; background: var(--green); color: white; font-size: 12px; font-weight: 800; }
.brand-mark.small { width: 24px; height: 24px; font-size: 11px; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { color: #424245; font-size: 12px; transition: color .2s ease; }
.nav-links a:hover { color: var(--green); }
.nav-cta { justify-self: end; min-height: 30px; padding: 0 14px; border-radius: 16px; display: inline-flex; align-items: center; background: var(--green); color: white; font-size: 11px; font-weight: 650; }
.nav-cta:hover { background: var(--green-dark); }

.hero { position: relative; min-height: 1120px; padding: 145px 24px 100px; overflow: hidden; background: var(--canvas); text-align: center; }
.hero::before { content: ""; position: absolute; top: 410px; left: 50%; width: 920px; height: 520px; transform: translateX(-50%); border-radius: 50%; background: rgba(66, 157, 111, .13); filter: blur(80px); pointer-events: none; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 16px; color: var(--green); font-size: 12px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.hero h1 { margin: 0; color: var(--ink); font-size: 64px; line-height: .98; letter-spacing: 0; font-weight: 720; }
.hero h1 span { color: #8b8b90; }
.hero-lead { margin: 28px 0 0; color: var(--muted); font-size: 18px; line-height: 1.55; letter-spacing: 0; }
.hero-actions { margin-top: 30px; display: flex; align-items: center; justify-content: center; gap: 22px; }
.button { min-height: 44px; padding: 0 22px; border: 0; border-radius: 24px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; font-size: 14px; font-weight: 600; transition: transform .2s ease, background-color .2s ease, color .2s ease; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--green); color: white; }
.button.primary:hover { background: var(--green-dark); }
.button.text { padding: 0; color: var(--green); }
.button.text span, .button.light span { font-size: 21px; line-height: 0; }
.button.light { background: white; color: var(--black); }
.button.large { min-height: 50px; padding: 0 28px; }

.hero-product { position: relative; z-index: 1; width: min(1180px, 100%); margin: 88px auto 0; perspective: 1600px; }
.product-glow { display: none; }
.app-frame { position: relative; height: 610px; display: grid; grid-template-columns: 188px minmax(0, 1fr); overflow: hidden; border: 1px solid rgba(0,0,0,.12); border-radius: 17px; background: #f4f6f5; box-shadow: 0 50px 110px rgba(0,0,0,.2), 0 2px 6px rgba(0,0,0,.12); transform: none; transform-origin: center bottom; transition: transform .25s ease-out; text-align: left; }
.mock-sidebar { padding: 24px 13px; background: #1c2521; color: white; }
.mock-logo { margin: 0 8px 29px; display: flex; align-items: center; gap: 9px; font-size: 12px; }
.mock-logo span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 6px; background: #bfe2d1; color: #153c2e; font-weight: 800; }
.mock-nav { height: 40px; padding: 0 11px; display: flex; align-items: center; gap: 10px; border-radius: 5px; color: #9aaca4; font-size: 10px; }
.mock-nav i { width: 13px; height: 13px; border: 1px solid currentColor; border-radius: 3px; }
.mock-nav.active { background: rgba(193,226,211,.12); color: white; }
.mock-nav.active i { color: #7cc59f; }
.mock-workspace { min-width: 0; }
.mock-topbar { height: 70px; padding: 0 27px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #dde3e0; background: white; }
.mock-topbar div { display: grid; gap: 4px; }
.mock-topbar small { color: #7d8782; font-size: 9px; }
.mock-topbar strong { font-size: 16px; }
.mock-topbar button { height: 32px; padding: 0 13px; border: 0; border-radius: 5px; background: var(--green); color: white; font-size: 9px; }
.mock-content { padding: 24px 27px; }
.mock-title { display: grid; gap: 5px; }
.mock-title strong { font-size: 15px; }
.mock-title span { color: #77827d; font-size: 9px; }
.mock-dates { height: 56px; margin-top: 17px; padding: 4px; display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; border: 1px solid #dde3e0; border-radius: 6px; background: white; }
.mock-dates span { display: grid; place-items: center; align-content: center; gap: 2px; border-radius: 4px; color: #757f7a; font-size: 8px; text-align: center; }
.mock-dates b { color: #1d2521; font-size: 12px; }
.mock-dates .selected { border: 1px solid #bddccc; background: #e8f4ee; color: var(--green); }
.mock-dates .selected b { color: var(--green); }
.mock-stats { height: 80px; margin-top: 15px; display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid #dde3e0; border-radius: 6px; background: white; }
.mock-stats span { padding: 16px; display: grid; gap: 5px; border-right: 1px solid #dde3e0; }
.mock-stats span:last-child { border-right: 0; }
.mock-stats small { color: #77827d; font-size: 8px; }
.mock-stats b { font-size: 22px; }
.mock-grid { margin-top: 21px; display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(190px, .8fr); gap: 25px; }
.mock-section-head { height: 31px; display: flex; align-items: flex-start; justify-content: space-between; border-bottom: 1px solid #cfd7d3; font-size: 10px; }
.mock-section-head small { color: #77827d; font-size: 8px; font-weight: 400; }
.mock-tasks article { min-height: 70px; padding: 10px 3px; display: grid; grid-template-columns: 55px minmax(0, 1fr) 30px; align-items: center; gap: 10px; border-bottom: 1px solid #dde3e0; }
.mock-tasks time { font-size: 11px; font-weight: 700; }
.mock-tasks article > div { display: grid; gap: 6px; }
.mock-tasks article > div b { font-size: 10px; }
.mock-tasks article > div small { color: #77827d; font-size: 8px; }
.mock-tasks em { padding: 3px 5px; border-radius: 3px; font-style: normal; }
.mock-tasks em.blue { background: #eaf3f8; color: var(--blue); }
.mock-tasks em.green { background: #e8f4ee; color: var(--green); }
.mock-tasks em.amber { background: #fff3dc; color: #9c651c; }
.mock-person, .mock-progress i { display: grid; place-items: center; border-radius: 50%; color: white; font-size: 8px; font-style: normal; }
.mock-person { width: 24px; height: 24px; }
.purple { background: linear-gradient(135deg,#9a65df,#d06bc1); }
.orange { background: linear-gradient(135deg,#f3a141,#ef6550); }
.pink { background: linear-gradient(135deg,#ef7399,#c458bd); }
.mock-progress p { min-height: 63px; margin: 0; padding: 10px 1px; display: grid; grid-template-columns: 25px minmax(0,1fr); gap: 8px; align-items: center; border-bottom: 1px solid #dde3e0; }
.mock-progress i { width: 23px; height: 23px; }
.mock-progress span { min-width: 0; display: grid; gap: 5px; }
.mock-progress b { overflow: hidden; font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.mock-progress small { overflow: hidden; color: #77827d; font-size: 7px; text-overflow: ellipsis; white-space: nowrap; }

.feature-line { width: min(980px, calc(100% - 48px)); margin: 0 auto; padding: 72px 0 110px; display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; }
.feature-line div { min-height: 80px; padding: 0 28px; display: grid; align-content: center; gap: 8px; border-right: 1px solid var(--line); }
.feature-line div:last-child { border-right: 0; }
.feature-line strong { font-size: 21px; }
.feature-line span { color: var(--muted); font-size: 13px; line-height: 1.5; }

.section { padding: 130px max(24px, calc((100vw - 1180px) / 2)); }
.overview { background: var(--canvas); }
.section-heading { margin-bottom: 70px; }
.section-heading h2 { margin: 0; font-size: 52px; line-height: 1.08; letter-spacing: 0; }
.section-heading.centered { text-align: center; }
.bento-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.bento-card { position: relative; min-height: 620px; overflow: hidden; border-radius: 28px; background: white; }
.bento-large { grid-column: 1 / 3; min-height: 680px; }
.bento-dark { background: #111614; color: white; }
.bento-tall { background: linear-gradient(145deg,#fff 0,#edf4f0 100%); }
.bento-mobile { background: #ebeef0; }
.card-copy { position: relative; z-index: 2; padding: 54px 56px; }
.card-copy p { margin: 0 0 12px; color: var(--green); font-size: 13px; font-weight: 700; }
.card-copy h3 { margin: 0; font-size: 30px; line-height: 1.14; letter-spacing: 0; }
.card-copy span { display: block; max-width: 450px; margin-top: 18px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.bento-dark .card-copy p { color: #70c89b; }
.bento-dark .card-copy span { color: #a8b2ad; }
.schedule-visual { position: absolute; right: 5%; bottom: -18px; width: 62%; min-width: 610px; padding: 24px 27px; border: 1px solid #e1e1e4; border-radius: 16px 16px 0 0; background: #fbfbfc; box-shadow: 0 25px 60px rgba(0,0,0,.12); }
.schedule-head { height: 40px; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); font-size: 12px; }
.schedule-head b { min-width: 108px; height: 28px; padding: 0 10px; border: 1px solid var(--line); border-radius: 6px; display: grid; place-items: center; color: var(--muted); font-size: 10px; font-weight: 500; }
.schedule-visual > div:not(.schedule-head) { min-height: 82px; display: grid; grid-template-columns: 70px minmax(0,1fr) 120px; align-items: center; gap: 18px; border-bottom: 1px solid #e5e5e7; }
.schedule-visual time { font-size: 18px; font-weight: 700; }
.schedule-visual p { display: grid; gap: 7px; }
.schedule-visual p b { font-size: 13px; }
.schedule-visual p small { color: var(--muted); font-size: 10px; }
.schedule-visual i { height: 5px; overflow: hidden; border-radius: 3px; background: #e0e4e2; }
.schedule-visual i::before { content: ""; display: block; height: 100%; border-radius: inherit; background: var(--green); }
.progress-80::before { width: 80%; }.progress-100::before { width: 100%; }.progress-60::before { width: 60%; }
.type-orbit { position: absolute; left: 50%; bottom: 72px; width: 330px; height: 330px; transform: translateX(-50%); border: 1px solid rgba(255,255,255,.13); border-radius: 50%; }
.type-orbit::before, .type-orbit::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; }
.type-orbit::before { inset: 55px; }.type-orbit::after { inset: 110px; }
.type-orbit i { position: absolute; inset: 50%; width: 54px; height: 54px; transform: translate(-50%,-50%); border-radius: 16px; display: grid; place-items: center; background: #bfe2d1; color: #163d2e; font-size: 20px; font-style: normal; font-weight: 800; }
.type-orbit span { position: absolute; min-width: 74px; height: 34px; padding: 0 13px; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; display: grid; place-items: center; background: rgba(255,255,255,.06); color: #e5ebe8; font-size: 12px; }
.type-orbit span:nth-child(1) { top: -17px; left: 50%; transform: translateX(-50%); }.type-orbit span:nth-child(2) { right: -37px; top: 50%; transform: translateY(-50%); }.type-orbit span:nth-child(3) { bottom: -17px; left: 50%; transform: translateX(-50%); }.type-orbit span:nth-child(4) { left: -37px; top: 50%; transform: translateY(-50%); }
.chart-visual { position: absolute; left: 0; right: 0; bottom: 0; height: 310px; padding: 30px 50px; display: grid; grid-template-columns: 150px 1fr; align-items: end; gap: 30px; border-top: 1px solid rgba(0,0,0,.06); }
.chart-total { align-self: start; display: grid; gap: 8px; }
.chart-total small { color: var(--muted); font-size: 11px; }.chart-total strong { font-size: 52px; letter-spacing: 0; }.chart-total span { color: var(--green); font-size: 11px; }
.bars { height: 220px; display: grid; grid-template-columns: repeat(4,1fr); gap: 13px; align-items: end; }
.bars i { position: relative; height: var(--h); border-radius: 7px 7px 0 0; background: linear-gradient(180deg,#3e9b70,#1f7a55); }
.bars i:nth-child(2) { background: linear-gradient(180deg,#5c8eb0,#3e6f91); }.bars i:nth-child(3) { background: linear-gradient(180deg,#dfa44e,#b87922); }.bars i:nth-child(4) { background: linear-gradient(180deg,#ce78a2,#a9507a); }
.bars span { position: absolute; bottom: -25px; left: 50%; transform: translateX(-50%); color: var(--muted); font-size: 10px; font-style: normal; }
.phone { position: absolute; right: 50px; bottom: -70px; width: 270px; height: 520px; padding: 9px; border: 1px solid #a8aaae; border-radius: 43px; background: #151719; box-shadow: 0 30px 70px rgba(0,0,0,.25); }
.phone::before { content: ""; position: absolute; top: 16px; left: 50%; z-index: 2; width: 78px; height: 22px; transform: translateX(-50%); border-radius: 13px; background: #111; }
.phone-screen { height: 100%; padding: 38px 16px 18px; overflow: hidden; border-radius: 35px; background: #f5f6f6; }
.phone-screen header { height: 48px; display: flex; justify-content: space-between; align-items: center; }.phone-screen header b { font-size: 14px; }.phone-screen header i { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--green-soft); color: var(--green); font-size: 9px; font-style: normal; }
.phone-screen > small { color: var(--muted); font-size: 9px; }.phone-screen section { height: 74px; margin: 14px 0; padding: 14px; border-radius: 10px; display: grid; background: white; box-shadow: 0 4px 15px rgba(0,0,0,.06); }.phone-screen section b { font-size: 23px; }.phone-screen section span { color: var(--muted); font-size: 8px; }
.phone-screen article { min-height: 77px; padding: 12px 5px; display: grid; grid-template-columns: 47px 1fr; align-items: center; border-bottom: 1px solid #ddd; }.phone-screen time { font-size: 11px; font-weight: 700; }.phone-screen article p { display: grid; gap: 6px; }.phone-screen article p b { font-size: 10px; }.phone-screen article p small { width: fit-content; padding: 3px 6px; border-radius: 3px; background: #eaf3f8; color: var(--blue); font-size: 8px; }
.phone-screen nav { position: absolute; left: 18px; right: 18px; bottom: 18px; height: 45px; display: flex; justify-content: space-around; align-items: center; border-radius: 0 0 30px 30px; background: white; }.phone-screen nav i { width: 13px; height: 13px; border: 1px solid #89928e; border-radius: 3px; }.phone-screen nav i:first-child { border-color: var(--green); background: var(--green-soft); }

.workflow { background: white; }
.workflow-track { position: relative; display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.workflow-track::before { content: ""; position: absolute; top: 81px; left: 16%; right: 16%; height: 1px; background: var(--line); }
.workflow-step { position: relative; min-height: 330px; padding: 36px; border: 1px solid #e1e1e4; border-radius: 24px; background: white; text-align: left; }
.workflow-step > span { color: #a1a1a6; font-size: 11px; font-weight: 700; }
.step-icon { position: relative; z-index: 1; width: 56px; height: 56px; margin: 26px 0 44px; border: 6px solid white; border-radius: 18px; display: grid; place-items: center; background: var(--green-soft); color: var(--green); box-shadow: 0 0 0 1px #d2e7dc; font-size: 23px; }
.workflow-step h3 { margin: 0; font-size: 22px; letter-spacing: 0; }.workflow-step p { margin: 14px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.feishu-section { min-height: 820px; padding: 130px max(24px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 70px; overflow: hidden; background: #101412; color: white; }
.feishu-copy h2 { margin: 0; font-size: 52px; line-height: 1.08; letter-spacing: 0; }.feishu-copy > p:not(.eyebrow) { max-width: 500px; margin: 28px 0 32px; color: #a8b0ac; font-size: 17px; line-height: 1.75; }.feishu-copy .eyebrow { color: #70c89b; }
.feishu-visual { position: relative; min-height: 560px; }
.sync-ring { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(112,200,155,.18); border-radius: 50%; transform: translate(-50%,-50%); }.ring-one { width: 230px; height: 230px; }.ring-two { width: 380px; height: 380px; }.ring-three { width: 540px; height: 540px; }
.sync-center { position: absolute; left: 50%; top: 50%; width: 170px; height: 170px; transform: translate(-50%,-50%); border: 1px solid rgba(255,255,255,.12); border-radius: 50%; display: grid; place-items: center; align-content: center; gap: 8px; background: rgba(255,255,255,.06); box-shadow: 0 0 90px rgba(55,180,116,.15); backdrop-filter: blur(8px); }.sync-center span { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: #4f7cf0; color: white; font-weight: 800; }.sync-center b { font-size: 13px; }.sync-center small { color: #8f9b95; font-size: 10px; }
.sync-node { position: absolute; min-width: 106px; height: 45px; padding: 0 13px; border: 1px solid rgba(255,255,255,.13); border-radius: 23px; display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.07); color: #dfe7e3; font-size: 11px; backdrop-filter: blur(8px); }.sync-node i { width: 27px; height: 27px; border-radius: 50%; display: grid; place-items: center; background: #244d3b; color: #8fe0b8; font-size: 9px; font-style: normal; }.node-admin { top: 17%; left: 10%; }.node-executor { top: 37%; right: 2%; }.node-editor { left: 17%; bottom: 12%; }

.closing { min-height: 750px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: white; }.closing-mark { width: 72px; height: 72px; margin-bottom: 30px; border-radius: 20px; display: grid; place-items: center; background: var(--green-soft); color: var(--green); font-size: 28px; font-weight: 800; }.closing h2 { margin: 0; font-size: 52px; line-height: 1.08; letter-spacing: 0; }.closing > p:not(.eyebrow) { margin: 24px 0 32px; color: var(--muted); font-size: 18px; }
.site-footer { width: min(1180px,calc(100% - 48px)); min-height: 92px; margin: 0 auto; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; color: var(--muted); font-size: 11px; }.site-footer div { display: flex; align-items: center; gap: 8px; color: var(--ink); }.site-footer p { margin: 0; }.site-footer > a { justify-self: end; color: var(--green); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }.reveal[data-delay="1"] { transition-delay: .12s; }.reveal[data-delay="2"] { transition-delay: .24s; }.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 920px) {
  .site-nav { grid-template-columns: 1fr auto; }.nav-links { display: none; }.hero { min-height: 920px; padding-top: 125px; }.hero-product { margin-top: 68px; }.app-frame { height: 500px; grid-template-columns: 142px minmax(0,1fr); }.mock-sidebar { padding: 18px 9px; }.mock-content { padding: 18px; }.mock-topbar { padding: 0 18px; }.mock-grid { grid-template-columns: 1fr; }.mock-progress { display: none; }.feature-line { padding-top: 55px; }.bento-card { min-height: 570px; }.schedule-visual { right: -10%; width: 80%; }.card-copy { padding: 45px; }.feishu-section { grid-template-columns: 1fr; padding-top: 110px; text-align: center; }.feishu-copy > p:not(.eyebrow) { margin-left: auto; margin-right: auto; }.feishu-visual { min-height: 520px; }.workflow-track { gap: 14px; }.workflow-step { padding: 26px; }.workflow-track::before { display: none; }
}

@media (max-width: 640px) {
  .site-header { height: 48px; }.site-nav { width: calc(100% - 28px); gap: 10px; }.brand { font-size: 12px; }.brand-mark { width: 25px; height: 25px; }.nav-cta { min-height: 28px; padding: 0 12px; font-size: 10px; }
  .hero { min-height: 790px; padding: 112px 18px 64px; }.hero::before { top: 370px; width: 420px; height: 340px; }.hero h1 { font-size: 52px; line-height: 1.02; }.hero-lead { margin-top: 22px; font-size: 16px; }.hero-actions { margin-top: 24px; gap: 16px; }.button { min-height: 40px; padding: 0 18px; font-size: 13px; }
  .hero-product { width: 690px; margin-top: 60px; margin-left: calc(50% - 345px); }.app-frame { height: 380px; grid-template-columns: 112px 1fr; border-radius: 10px; }.mock-sidebar { padding: 13px 7px; }.mock-logo { margin: 0 5px 16px; font-size: 8px; }.mock-logo span { width: 22px; height: 22px; }.mock-nav { height: 30px; padding: 0 7px; font-size: 7px; }.mock-nav i { width: 10px; height: 10px; }.mock-topbar { height: 48px; padding: 0 13px; }.mock-topbar strong { font-size: 11px; }.mock-topbar button { height: 24px; font-size: 7px; }.mock-content { padding: 12px 14px; }.mock-title strong { font-size: 10px; }.mock-dates { height: 42px; margin-top: 10px; }.mock-dates span { font-size: 6px; }.mock-dates b { font-size: 9px; }.mock-stats { height: 57px; margin-top: 9px; }.mock-stats span { padding: 9px; }.mock-stats b { font-size: 15px; }.mock-grid { margin-top: 12px; }.mock-tasks article { min-height: 49px; }.mock-section-head { height: 23px; }.mock-tasks article > div b { font-size: 7px; }.mock-person { width: 18px; height: 18px; }
  .feature-line { width: calc(100% - 36px); padding: 45px 0 80px; grid-template-columns: 1fr; }.feature-line div { min-height: 82px; border-right: 0; border-bottom: 1px solid var(--line); }.feature-line div:last-child { border-bottom: 0; }
  .section { padding: 90px 18px; }.section-heading { margin-bottom: 44px; }.section-heading h2 { font-size: 44px; }.bento-grid { grid-template-columns: 1fr; gap: 14px; }.bento-card, .bento-large { grid-column: auto; min-height: 520px; border-radius: 22px; }.card-copy { padding: 34px 28px; }.card-copy h3 { font-size: 32px; }.card-copy span { margin-top: 13px; font-size: 14px; }.schedule-visual { right: 5px; bottom: -5px; width: 610px; transform: scale(.54); transform-origin: bottom right; }.bento-dark { min-height: 570px; }.type-orbit { bottom: 72px; width: 280px; height: 280px; }.chart-visual { height: 260px; padding: 25px 24px; grid-template-columns: 95px 1fr; gap: 15px; }.chart-total strong { font-size: 42px; }.bars { height: 170px; }.phone { right: 50%; bottom: -130px; transform: translateX(50%) scale(.82); transform-origin: center bottom; }
  .workflow-track { grid-template-columns: 1fr; gap: 14px; }.workflow-step { min-height: 270px; }.step-icon { margin-bottom: 30px; }
  .feishu-section { min-height: 920px; padding: 90px 18px 60px; gap: 30px; }.feishu-copy h2 { font-size: 44px; }.feishu-copy > p:not(.eyebrow) { font-size: 15px; }.feishu-visual { min-height: 430px; transform: scale(.72); margin: -30px -100px; }.closing { min-height: 650px; }.closing h2 { font-size: 46px; }.closing > p:not(.eyebrow) { font-size: 16px; }.site-footer { min-height: 120px; padding: 24px 0; grid-template-columns: 1fr auto; gap: 12px; }.site-footer p { grid-column: 1 / 3; grid-row: 2; }.site-footer > a { grid-column: 2; grid-row: 1; }
}

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

/* Refined product presentation */
.site-header { height: 50px; background: rgba(255,255,255,.86); }
.site-header.scrolled { background: rgba(255,255,255,.95); }
.site-nav { width: min(1120px, calc(100% - 40px)); }
.brand-mark { border-radius: 7px; box-shadow: none; }
.nav-cta { min-height: 32px; border-radius: 8px; }

.hero {
  min-height: 0;
  padding: 96px 20px 20px;
  background: var(--canvas);
}
.hero::before, .product-glow { display: none; }
.hero-copy { max-width: 980px; margin: 0 auto; }
.eyebrow { margin-bottom: 12px; font-size: 11px; letter-spacing: 0; text-transform: none; }
.hero h1 {
  font-size: 64px;
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 700;
}
.hero h1 span { color: #6e6e73; }
.hero-lead {
  max-width: 780px;
  margin: 18px auto 0;
  font-size: 18px;
  line-height: 1.65;
  letter-spacing: 0;
}
.hero-actions { margin-top: 22px; gap: 12px; }
.button { min-height: 42px; padding: 0 18px; border-radius: 8px; font-size: 13px; }
.button.text { padding: 0 8px; }
.button.large { min-height: 46px; padding: 0 22px; }
.hero-product { width: min(1080px, 100%); margin-top: 34px; perspective: none; }
.app-frame {
  height: 340px;
  grid-template-columns: 164px minmax(0, 1fr);
  border-color: rgba(0,0,0,.1);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(0,0,0,.12);
  transform: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.app-frame:hover { transform: translateY(-2px); box-shadow: 0 22px 50px rgba(0,0,0,.15); }
.mock-sidebar { padding: 18px 11px; }
.mock-logo { margin-bottom: 18px; }
.mock-nav { height: 34px; }
.mock-topbar { height: 54px; padding: 0 20px; }
.mock-content { padding: 17px 20px; }
.mock-dates { height: 48px; margin-top: 12px; }
.mock-stats { height: 64px; margin-top: 11px; }
.mock-stats span { padding: 11px 13px; }
.mock-stats b { font-size: 18px; }
.mock-grid { margin-top: 14px; gap: 18px; }
.mock-tasks article { min-height: 56px; padding: 7px 3px; }
.mock-progress p { min-height: 52px; padding: 7px 1px; }

.feature-line { width: min(960px, calc(100% - 40px)); padding: 40px 0 62px; }
.feature-line.reveal { opacity: 1; transform: none; }
.feature-line div { min-height: 66px; }
.feature-line strong { font-size: 18px; }
.feature-line span { font-size: 12px; }

.section { padding: 92px max(20px, calc((100vw - 1120px) / 2)); }
.section-heading { margin-bottom: 46px; }
.section-heading h2,
.feishu-copy h2,
.closing h2 { font-size: 52px; line-height: 1.12; letter-spacing: 0; }
.bento-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }
.bento-card {
  min-height: 470px;
  border: 1px solid rgba(0,0,0,.07);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.04);
}
.bento-large { grid-column: span 7; min-height: 470px; }
.bento-dark { grid-column: span 5; background: #161817; }
.bento-tall { grid-column: span 5; background: var(--paper); }
.bento-mobile { grid-column: span 7; background: #eef0f1; }
.card-copy { padding: 34px 36px; }
.card-copy p { margin-bottom: 9px; font-size: 12px; }
.card-copy h3 { font-size: 30px; line-height: 1.2; letter-spacing: 0; }
.card-copy span { margin-top: 12px; font-size: 14px; line-height: 1.6; }
.schedule-visual {
  right: 24px;
  bottom: 0;
  width: calc(100% - 48px);
  min-width: 0;
  padding: 15px 18px;
  border-radius: 8px 8px 0 0;
  box-shadow: 0 12px 30px rgba(0,0,0,.08);
}
.schedule-head { height: 30px; }
.schedule-visual > div:not(.schedule-head) { min-height: 58px; grid-template-columns: 54px minmax(0,1fr) 76px; gap: 10px; }
.schedule-visual time { font-size: 14px; }
.type-orbit { bottom: 34px; width: 250px; height: 250px; }
.type-orbit::before { inset: 42px; }
.type-orbit::after { inset: 84px; }
.type-orbit span { min-width: 66px; height: 30px; border-radius: 8px; }
.type-orbit span:nth-child(1) { top: -15px; }
.type-orbit span:nth-child(2) { right: -33px; }
.type-orbit span:nth-child(3) { bottom: -15px; }
.type-orbit span:nth-child(4) { left: -33px; }
.purple { background: #9a65df; }
.orange { background: #e57e42; }
.pink { background: #c85f91; }
.chart-visual { height: 238px; padding: 24px 34px; grid-template-columns: 108px 1fr; gap: 22px; }
.chart-total strong { font-size: 42px; letter-spacing: 0; }
.bars { height: 158px; }
.bars i { background: #2e8a62; }
.bars i:nth-child(2) { background: #4f7c9b; }
.bars i:nth-child(3) { background: #c68a34; }
.bars i:nth-child(4) { background: #b95f89; }
.phone { right: 36px; bottom: -64px; width: 218px; height: 416px; border-radius: 34px; }
.phone-screen { border-radius: 27px; }

.workflow { background: var(--paper); }
.workflow-track { gap: 36px; }
.workflow-track::before { display: none; }
.workflow-step {
  min-height: 230px;
  padding: 26px 16px 20px 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
}
.step-icon { width: 46px; height: 46px; margin: 22px 0 24px; border: 1px solid #d2e7dc; border-radius: 8px; font-size: 19px; }
.workflow-step h3 { font-size: 20px; letter-spacing: 0; }
.workflow-step p { margin-top: 10px; font-size: 13px; }

.feishu-section {
  min-height: 610px;
  padding: 92px max(20px, calc((100vw - 1120px) / 2));
  gap: 56px;
  border-top: 1px solid rgba(0,0,0,.06);
  background: var(--canvas);
  color: var(--ink);
}
.feishu-copy > p:not(.eyebrow) { margin: 22px 0 26px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.feishu-copy .eyebrow { color: var(--green); }
.button.light { border: 1px solid var(--line); background: var(--paper); color: var(--ink); }
.feishu-visual { min-height: 420px; }
.sync-ring { border-color: rgba(31,122,85,.14); }
.ring-one { width: 180px; height: 180px; }
.ring-two { width: 290px; height: 290px; }
.ring-three { width: 400px; height: 400px; }
.sync-center { width: 144px; height: 144px; border-color: rgba(0,0,0,.08); background: var(--paper); box-shadow: 0 12px 30px rgba(0,0,0,.07); }
.sync-center b { color: var(--ink); }
.sync-node { height: 42px; border-color: rgba(0,0,0,.08); border-radius: 8px; background: var(--paper); color: var(--ink); box-shadow: 0 5px 16px rgba(0,0,0,.05); }
.node-admin { top: 14%; left: 8%; }
.node-executor { top: 38%; right: 0; }
.node-editor { left: 14%; bottom: 10%; }

.closing { min-height: 470px; border-top: 1px solid rgba(0,0,0,.06); }
.closing-mark { width: 56px; height: 56px; margin-bottom: 22px; border-radius: 8px; font-size: 22px; }
.closing > p:not(.eyebrow) { margin: 18px 0 24px; font-size: 16px; }
.site-footer { width: min(1120px, calc(100% - 40px)); min-height: 78px; }

@media (max-width: 920px) {
  .hero { padding-top: 92px; }
  .hero h1 { font-size: 54px; }
  .app-frame { height: 330px; grid-template-columns: 132px minmax(0,1fr); }
  .bento-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .bento-card, .bento-large, .bento-dark, .bento-tall, .bento-mobile { grid-column: auto; min-height: 460px; }
  .schedule-visual { right: 18px; width: calc(100% - 36px); }
  .card-copy { padding: 30px; }
  .feishu-section { grid-template-columns: 1fr; gap: 24px; text-align: center; }
  .feishu-visual { min-height: 400px; }
  .workflow-track { gap: 20px; }
}

@media (max-width: 640px) {
  .site-nav { width: calc(100% - 28px); }
  .hero { min-height: 0; padding: 86px 14px 20px; }
  .hero h1 { font-size: 43px; line-height: 1.12; }
  .hero-lead { margin-top: 16px; font-size: 15px; line-height: 1.65; }
  .hero-actions { margin-top: 20px; }
  .hero-product { width: 100%; margin: 30px auto 0; }
  .app-frame { height: 294px; grid-template-columns: 1fr; border-radius: 8px; }
  .mock-sidebar { display: none; }
  .mock-topbar { height: 46px; padding: 0 12px; }
  .mock-content { padding: 11px 12px; }
  .mock-dates { height: 40px; margin-top: 9px; }
  .mock-stats { height: 54px; margin-top: 8px; }
  .mock-stats span { padding: 8px; }
  .mock-grid { margin-top: 10px; }
  .mock-tasks article { min-height: 46px; grid-template-columns: 45px minmax(0,1fr) 24px; }
  .feature-line { padding: 26px 0 50px; grid-template-columns: 1fr; }
  .feature-line div { min-height: 62px; padding: 0 12px; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature-line div:last-child { border-bottom: 0; }
  .section { padding: 70px 16px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .feishu-copy h2, .closing h2 { font-size: 38px; }
  .bento-grid { grid-template-columns: 1fr; gap: 12px; }
  .bento-card, .bento-large, .bento-dark, .bento-tall, .bento-mobile { min-height: 430px; border-radius: 8px; }
  .card-copy { padding: 28px 24px; }
  .card-copy h3 { font-size: 27px; }
  .schedule-visual { right: 14px; bottom: 0; width: calc(100% - 28px); transform: none; }
  .schedule-visual > div:not(.schedule-head) { grid-template-columns: 48px minmax(0,1fr) 60px; }
  .type-orbit { bottom: 48px; }
  .chart-visual { height: 220px; padding: 22px 24px; grid-template-columns: 90px 1fr; }
  .bars { height: 142px; }
  .phone { right: 28px; bottom: -90px; transform: none; }
  .workflow-track { grid-template-columns: 1fr; gap: 0; }
  .workflow-step { min-height: 0; padding: 24px 0; }
  .feishu-section { min-height: 0; padding: 70px 16px 50px; }
  .feishu-copy > p:not(.eyebrow) { font-size: 14px; }
  .feishu-visual { min-height: 360px; margin: 0; transform: none; }
  .ring-one { width: 150px; height: 150px; }
  .ring-two { width: 250px; height: 250px; }
  .ring-three { width: 340px; height: 340px; }
  .sync-center { width: 128px; height: 128px; }
  .sync-node { min-width: 92px; padding: 0 10px; }
  .node-admin { left: 0; }
  .node-executor { right: 0; }
  .node-editor { left: 5%; }
  .closing { min-height: 430px; padding-left: 20px; padding-right: 20px; }
  .site-footer { width: calc(100% - 32px); min-height: 108px; }
}

@media (prefers-reduced-motion: reduce) {
  .app-frame, .app-frame:hover { transform: none; transition: none; }
}

/* Minimal product presentation: keep the product visible and the message short. */
.mock-nav {
  width: 100%;
  border: 0;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.hero { padding-top: 88px; padding-bottom: 16px; }
.hero h1 { font-size: 58px; }
.hero-lead { margin-top: 14px; font-size: 16px; }
.hero-actions { margin-top: 18px; }
.hero-product { margin-top: 28px; }
.app-frame { height: 318px; box-shadow: 0 14px 34px rgba(0,0,0,.1); }
.app-frame:hover { box-shadow: 0 18px 40px rgba(0,0,0,.13); }
.feature-line { padding-top: 30px; padding-bottom: 44px; }
.feature-line strong { font-size: 17px; }
.section { padding-top: 78px; padding-bottom: 78px; }
.section-heading { margin-bottom: 36px; }
.section-heading h2, .feishu-copy h2, .closing h2 { font-size: 46px; }
.bento-grid { gap: 12px; }
.bento-card { min-height: 430px; box-shadow: 0 5px 18px rgba(0,0,0,.035); }
.bento-dark { background: #f8f8fa; color: var(--ink); }
.bento-mobile { background: #f1f3f4; }
.type-orbit, .phone { display: none; }
.type-list {
  position: absolute;
  right: 36px;
  bottom: 30px;
  left: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
}
.type-list div {
  min-width: 0;
  padding: 14px 0;
  border-top: 1px solid rgba(0,0,0,.1);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.type-list b { color: var(--green); font-size: 10px; font-weight: 700; }
.type-list span { display: grid; gap: 3px; font-size: 15px; font-weight: 650; }
.type-list small { color: var(--muted); font-size: 11px; font-weight: 400; }
.mobile-list {
  position: absolute;
  right: 28px;
  bottom: 24px;
  left: 28px;
  padding: 16px 18px 8px;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 10px;
  background: rgba(255,255,255,.8);
}
.mobile-list-head, .mobile-list > div:not(.mobile-list-head):not(.mobile-list-footer) {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.mobile-list-head { padding-bottom: 10px; color: var(--muted); font-size: 10px; }
.mobile-list-head b { color: var(--ink); font-weight: 650; }
.mobile-list > div:not(.mobile-list-head):not(.mobile-list-footer) { min-height: 45px; border-top: 1px solid rgba(0,0,0,.08); }
.mobile-list time { color: var(--muted); font-size: 11px; }
.mobile-list > div > span { min-width: 0; flex: 1; display: grid; gap: 3px; font-size: 12px; font-weight: 650; }
.mobile-list small { color: var(--green); font-size: 10px; font-weight: 400; }
.mobile-list-footer { min-height: 32px; display: flex; align-items: center; gap: 6px; }
.mobile-list-footer i { width: 7px; height: 7px; border-radius: 50%; background: #9a65df; }
.mobile-list-footer i:nth-child(2) { background: #e57e42; }
.mobile-list-footer i:nth-child(3) { background: #c85f91; }
.mobile-list-footer b { margin-left: auto; color: var(--muted); font-size: 10px; font-weight: 400; }
.workflow-track { gap: 24px; }
.workflow-step { min-height: 210px; }
.feishu-section { min-height: 540px; padding-top: 78px; padding-bottom: 78px; }
.feishu-visual { min-height: 380px; }
.sync-ring { opacity: .7; }
.closing { min-height: 380px; }

@media (max-width: 920px) {
  .hero h1 { font-size: 52px; }
  .app-frame { height: 310px; }
  .type-list { right: 30px; bottom: 24px; left: 30px; }
  .mobile-list { right: 24px; left: 24px; }
  .feishu-section { min-height: 0; }
}

@media (max-width: 640px) {
  .hero { padding-top: 82px; padding-bottom: 12px; }
  .hero h1 { font-size: 40px; }
  .hero-lead { font-size: 15px; }
  .hero-product { margin-top: 26px; }
  .app-frame { height: 278px; }
  .feature-line { padding-top: 20px; padding-bottom: 36px; }
  .section { padding-top: 62px; padding-bottom: 62px; }
  .section-heading { margin-bottom: 28px; }
  .section-heading h2, .feishu-copy h2, .closing h2 { font-size: 36px; }
  .bento-card, .bento-large, .bento-dark, .bento-tall, .bento-mobile { min-height: 410px; }
  .type-list { right: 24px; bottom: 24px; left: 24px; gap: 0 14px; }
  .type-list div { padding: 12px 0; }
  .type-list span { font-size: 14px; }
  .type-list small { font-size: 10px; }
  .mobile-list { right: 18px; bottom: 20px; left: 18px; }
  .workflow-step { min-height: 0; }
  .feishu-section { padding-top: 62px; padding-bottom: 52px; }
  .feishu-visual { min-height: 330px; }
  .closing { min-height: 340px; }
}