:root {
  --primary: #5147e5;
  --primary-dark: #3730a3;
  --primary-soft: #ecebff;
  --ink: #17172b;
  --muted: #6d7085;
  --line: #e8e9f2;
  --surface: #ffffff;
  --page: #f7f8fc;
  --success: #18a866;
  --shadow: 0 24px 70px rgba(45, 42, 119, 0.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(232, 233, 242, 0.8);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; font-size: 19px; }
.brand img { width: 38px; height: 38px; border-radius: 10px; box-shadow: 0 7px 16px rgba(81, 71, 229, 0.24); }
.nav-links { display: flex; gap: 38px; color: #52556a; font-size: 14px; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--primary); }
.nav-button { padding: 11px 20px; color: #fff; background: var(--primary); border-radius: 10px; font-size: 14px; font-weight: 700; }

.hero {
  min-height: 690px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, #fbfbff 0%, #f6f7ff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .28;
  background-image: linear-gradient(#dfe1f2 1px, transparent 1px), linear-gradient(90deg, #dfe1f2 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.5), transparent 88%);
}

.hero-glow { position: absolute; border-radius: 999px; filter: blur(10px); }
.hero-glow-one { width: 420px; height: 420px; right: 4%; top: 6%; background: rgba(108, 99, 255, .16); }
.hero-glow-two { width: 250px; height: 250px; left: 18%; bottom: -16%; background: rgba(85, 184, 255, .13); }

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  align-items: center;
  gap: 74px;
  padding: 78px 0 90px;
}

.eyebrow, .section-kicker {
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .08em;
}

.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 26px; height: 3px; background: var(--primary); border-radius: 99px; }
.hero h1 { margin: 20px 0 24px; font-size: clamp(42px, 4.3vw, 66px); line-height: 1.16; letter-spacing: -.045em; }
.hero h1 em { color: var(--primary); font-style: normal; }
.hero-copy > p { max-width: 560px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 15px;
  transition: transform .2s ease, box-shadow .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(135deg, #665cf4, #4338ca); box-shadow: 0 12px 26px rgba(81, 71, 229, .28); }
.button-secondary { color: #34344d; background: #fff; border: 1px solid var(--line); }
.button-secondary span { color: var(--primary); font-size: 20px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 28px; color: #73768a; font-size: 13px; }
.hero-tags span::before { content: "✓"; margin-right: 7px; color: var(--success); font-weight: 900; }

.product-stage { position: relative; padding: 54px 0 30px; }
.product-window { overflow: hidden; background: #fff; border: 1px solid #e2e3ef; border-radius: 20px; box-shadow: var(--shadow); transform: perspective(1200px) rotateY(-2deg) rotateX(1deg); }
.window-bar { height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; background: #fafaff; border-bottom: 1px solid var(--line); }
.window-brand { display: flex; align-items: center; gap: 8px; color: #45475b; font-size: 12px; font-weight: 700; }
.window-brand img { width: 24px; height: 24px; border-radius: 7px; }
.window-controls { display: flex; gap: 10px; }
.window-controls i { width: 9px; height: 9px; border-radius: 50%; background: #dcdeea; }
.window-body { min-height: 390px; display: flex; }
.mock-sidebar { width: 116px; padding: 22px 12px; background: #f7f8fc; border-right: 1px solid var(--line); }
.mock-logo-line { width: 56px; height: 7px; margin: 0 0 26px 10px; background: #dcddeb; border-radius: 99px; }
.mock-nav { height: 36px; display: flex; align-items: center; gap: 8px; padding: 0 9px; margin-bottom: 7px; color: #85879a; border-radius: 8px; font-size: 10px; }
.mock-nav b { width: 8px; height: 8px; border: 2px solid currentColor; border-radius: 3px; }
.mock-nav.active { color: var(--primary); background: #e8e7ff; font-weight: 800; }
.mock-main { flex: 1; padding: 16px; min-width: 0; }
.mock-toolbar { display: flex; gap: 8px; padding: 9px; background: #5a50ea; border-radius: 9px; }
.mock-toolbar > div { flex: 1; display: flex; align-items: center; gap: 10px; min-width: 0; padding: 7px 10px; background: #fff; border-radius: 6px; }
.mock-toolbar small { color: #777a8e; font-size: 8px; }
.mock-toolbar span { overflow: hidden; color: #303247; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.mock-toolbar button { color: #fff; background: rgba(255,255,255,.17); border: 0; border-radius: 6px; padding: 0 12px; font-size: 9px; }
.mock-content { display: grid; grid-template-columns: 1.15fr .85fr; gap: 12px; margin-top: 12px; }
.mock-list, .mock-settings { min-width: 0; padding: 14px; border: 1px solid var(--line); border-radius: 10px; }
.mock-title { display: flex; justify-content: space-between; padding-bottom: 12px; }
.mock-title strong { font-size: 11px; }
.mock-title span { color: #999bae; font-size: 8px; }
.mock-table-head, .mock-row { display: grid; grid-template-columns: 1fr 48px 42px; align-items: center; }
.mock-table-head { height: 26px; padding: 0 8px; color: #999bae; background: #f6f7fa; font-size: 8px; }
.mock-row { min-height: 48px; padding: 0 8px; color: #5f6276; border-bottom: 1px solid #f0f1f6; font-size: 8px; }
.mock-row > span { display: flex; align-items: center; min-width: 0; }
.mock-row i { flex: 0 0 auto; width: 8px; height: 8px; margin-right: 6px; border: 1px solid #b9bbca; border-radius: 2px; }
.mock-row b { font-weight: 500; }
.mock-row em { color: var(--success); font-style: normal; }
.mock-row.selected { background: #f8f7ff; }
.mock-row.selected em { color: var(--primary); }
.mock-progress { height: 5px; margin-top: 22px; overflow: hidden; background: #ebecef; border-radius: 9px; }
.mock-progress span { display: block; width: 62%; height: 100%; background: linear-gradient(90deg, var(--primary), #8d86ff); }
.mock-tabs { display: flex; gap: 8px; margin-bottom: 18px; color: #9294a6; font-size: 8px; }
.mock-tabs b { color: #fff; padding: 5px 7px; background: var(--primary); border-radius: 5px; }
.mock-tabs span { padding: 5px 0; }
.mock-settings label { display: block; margin: 11px 0 5px; color: #818397; font-size: 8px; }
.mock-select { display: flex; justify-content: space-between; padding: 8px 9px; color: #4b4e62; background: #f8f9fc; border: 1px solid #e5e6ee; border-radius: 6px; font-size: 8px; }
.mock-slider { display: grid; grid-template-columns: 45px 1fr 24px; align-items: center; gap: 6px; margin-top: 18px; color: #818397; font-size: 7px; }
.mock-slider i { height: 4px; background: #e4e5ee; border-radius: 99px; }
.mock-slider i b { display: block; width: 70%; height: 100%; background: var(--primary); border-radius: 99px; }
.mock-slider em { font-style: normal; }
.mock-start { width: 100%; margin-top: 24px; padding: 9px; color: #fff; background: var(--success); border: 0; border-radius: 7px; font-size: 9px; font-weight: 700; }
.floating-card { position: absolute; display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: #fff; border: 1px solid var(--line); border-radius: 13px; box-shadow: 0 14px 32px rgba(40, 38, 95, .14); }
.floating-card > span { width: 31px; height: 31px; display: grid; place-items: center; color: #fff; background: var(--primary); border-radius: 9px; font-size: 11px; font-weight: 900; }
.floating-card div { display: flex; flex-direction: column; gap: 3px; }
.floating-card b { font-size: 11px; }
.floating-card small { color: #9294a6; font-size: 8px; }
.floating-card-ai { left: -30px; top: 24px; }
.floating-card-done { right: -16px; bottom: 8px; }
.floating-card-done > span { background: var(--success); font-size: 16px; }

.section { padding: 110px 0; }
.section-heading { max-width: 680px; margin: 0 auto 50px; text-align: center; }
.section-heading h2, .workflow-copy h2 { margin: 14px 0 16px; font-size: clamp(32px, 3vw, 44px); letter-spacing: -.035em; }
.section-heading p, .workflow-copy > p { margin: 0; color: var(--muted); line-height: 1.8; }
.features { background: #fff; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 270px; position: relative; overflow: hidden; padding: 30px; background: #fafaff; border: 1px solid var(--line); border-radius: 18px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.feature-card:hover { transform: translateY(-5px); border-color: #d6d3ff; box-shadow: 0 16px 40px rgba(51, 47, 128, .09); }
.feature-card-large { grid-column: span 2; color: #fff; background: linear-gradient(135deg, #5147e5, #3931a8); border: 0; }
.feature-card-wide { grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 24px; color: var(--primary); background: var(--primary-soft); border-radius: 13px; font-size: 17px; font-weight: 900; }
.feature-card-large .feature-icon { color: #fff; background: rgba(255,255,255,.16); }
.feature-label { position: absolute; right: 26px; top: 28px; padding: 6px 10px; color: #fff; background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.18); border-radius: 999px; font-size: 11px; }
.feature-card h3 { margin: 0 0 13px; font-size: 21px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.feature-card-large p { max-width: 580px; color: rgba(255,255,255,.74); }
.mini-timeline { width: 70%; display: grid; grid-template-columns: 12px 1fr 12px 1fr 12px; align-items: center; row-gap: 10px; margin-top: 30px; }
.mini-timeline i { width: 12px; height: 12px; background: #fff; border: 3px solid rgba(255,255,255,.32); border-radius: 50%; background-clip: padding-box; }
.mini-timeline > span { height: 2px; background: rgba(255,255,255,.28); }
.mini-timeline small { width: 80px; color: rgba(255,255,255,.66); font-size: 9px; }
.mini-timeline small:nth-of-type(2) { transform: translateX(-10px); }
.mini-timeline small:nth-of-type(3) { transform: translateX(-20px); }
.batch-visual { padding: 10px; background: #fff; border: 1px solid var(--line); border-radius: 13px; box-shadow: 0 12px 28px rgba(54, 51, 120, .08); }
.batch-visual div { display: flex; justify-content: space-between; padding: 12px 10px; color: #626579; border-bottom: 1px solid #f0f1f6; font-size: 11px; }
.batch-visual div:last-child { border-bottom: 0; }
.batch-visual i { color: #9799aa; font-style: normal; font-size: 9px; }
.batch-visual .done { color: var(--success); }
.batch-visual .running { color: var(--primary); }

.workflow { background: var(--page); }
.workflow-wrap { display: grid; grid-template-columns: 1fr .88fr; gap: 100px; align-items: center; }
.workflow-copy > p { max-width: 580px; }
.workflow-list { display: grid; gap: 12px; margin-top: 38px; }
.workflow-list > div { display: flex; align-items: center; gap: 18px; padding: 18px 20px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.workflow-list b { flex: 0 0 auto; width: 42px; height: 42px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 10px; font-size: 12px; }
.workflow-list span { display: flex; flex-direction: column; gap: 5px; }
.workflow-list strong { font-size: 15px; }
.workflow-list small { color: var(--muted); font-size: 12px; }
.workflow-panel { min-height: 450px; position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; background: linear-gradient(145deg, #5c52ed 0%, #332b95 100%); border-radius: 28px; box-shadow: 0 28px 60px rgba(56, 48, 160, .24); }
.workflow-panel img { position: relative; z-index: 1; width: 92px; height: 92px; margin-bottom: 25px; border: 7px solid rgba(255,255,255,.12); border-radius: 25px; box-shadow: 0 16px 28px rgba(25, 20, 94, .28); }
.workflow-panel h3 { position: relative; z-index: 1; margin: 0 0 10px; font-size: 25px; }
.workflow-panel p { position: relative; z-index: 1; margin: 0; color: rgba(255,255,255,.68); font-size: 13px; }
.processing-line { position: relative; z-index: 1; width: 62%; height: 7px; margin-top: 40px; overflow: hidden; background: rgba(255,255,255,.14); border-radius: 99px; }
.processing-line span { display: block; width: 86%; height: 100%; background: linear-gradient(90deg, #fff, #b8b4ff); border-radius: inherit; }
.workflow-panel > small { position: relative; z-index: 1; margin-top: 12px; color: rgba(255,255,255,.64); }
.panel-ring { position: absolute; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; }
.ring-one { width: 330px; height: 330px; right: -110px; top: -120px; }
.ring-two { width: 240px; height: 240px; left: -90px; bottom: -100px; }

.advantages { padding-bottom: 90px; }
.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.advantage-grid > div { padding: 34px 28px; border-right: 1px solid var(--line); }
.advantage-grid > div:last-child { border-right: 0; }
.advantage-grid b { color: var(--primary); font-size: 12px; }
.advantage-grid h3 { margin: 17px 0 11px; font-size: 18px; }
.advantage-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.cta-section { padding: 20px 0 90px; }
.cta-card { min-height: 180px; display: flex; align-items: center; gap: 24px; padding: 38px 46px; color: #fff; background: linear-gradient(120deg, #332b98, #5b51ef); border-radius: 24px; box-shadow: 0 22px 50px rgba(56, 48, 160, .2); }
.cta-card img { width: 68px; height: 68px; border: 5px solid rgba(255,255,255,.14); border-radius: 19px; }
.cta-card > div { flex: 1; }
.cta-card > div span { color: rgba(255,255,255,.7); font-size: 12px; font-weight: 700; }
.cta-card h2 { margin: 7px 0 0; font-size: clamp(22px, 2.5vw, 32px); }
.button-light { color: var(--primary-dark); background: #fff; }

footer { padding: 34px 0; background: #17172b; color: #fff; }
.footer-wrap { display: flex; align-items: center; gap: 28px; }
.footer-brand { font-size: 15px; }
.footer-brand img { width: 30px; height: 30px; border-radius: 8px; }
.footer-wrap p { flex: 1; margin: 0; color: #9496a8; font-size: 12px; }
.footer-wrap small { color: #77798c; }

@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-copy { max-width: 680px; text-align: center; margin: 0 auto; }
  .eyebrow, .hero-actions, .hero-tags { justify-content: center; }
  .product-stage { width: min(700px, 100%); margin: 0 auto; }
  .workflow-wrap { gap: 50px; }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid > div:nth-child(2) { border-right: 0; }
  .advantage-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 760px) {
  .container { width: min(100% - 30px, 1180px); }
  .nav-wrap { height: 64px; }
  .nav-links { display: none; }
  .nav-button { padding: 9px 13px; font-size: 12px; }
  .brand { font-size: 16px; }
  .brand img { width: 34px; height: 34px; }
  .hero { min-height: auto; }
  .hero-grid { padding: 64px 0 70px; }
  .hero h1 { font-size: 40px; }
  .hero-copy > p { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .product-stage { padding-top: 28px; }
  .product-window { transform: none; }
  .window-body { min-height: 300px; }
  .mock-sidebar { display: none; }
  .mock-content { grid-template-columns: 1fr; }
  .mock-settings { display: none; }
  .floating-card { display: none; }
  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 34px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card-large, .feature-card-wide { grid-column: auto; }
  .feature-card-wide { grid-template-columns: 1fr; }
  .mini-timeline { width: 95%; }
  .workflow-wrap { grid-template-columns: 1fr; }
  .workflow-panel { min-height: 390px; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-grid > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .advantage-grid > div:last-child { border-bottom: 0; }
  .cta-card { flex-direction: column; align-items: flex-start; padding: 32px; }
  .cta-card .button { margin-top: 8px; }
  .footer-wrap { flex-wrap: wrap; }
  .footer-wrap p { flex-basis: 100%; order: 3; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}