:root {
  --official-ink: #17212b;
  --official-muted: #607083;
  --official-line: #dbe6ee;
  --official-paper: #f7fbfd;
  --official-panel: #ffffff;
  --official-green: #18a870;
  --official-teal: #0f8f94;
  --official-blue: #2569d6;
  --official-amber: #d88b1d;
  --official-red: #d9554f;
  --official-shadow: 0 22px 60px rgba(23, 33, 43, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--official-ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background:
    linear-gradient(135deg, rgba(24, 168, 112, 0.12), transparent 34%),
    linear-gradient(225deg, rgba(37, 105, 214, 0.10), transparent 38%),
    var(--official-paper);
  letter-spacing: 0;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.official-page {
  min-height: 100vh;
  overflow: hidden;
}

.official-nav,
.official-hero,
.official-section,
.official-cta {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.official-nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(23, 33, 43, 0.08);
}

.official-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
}

.official-brand img {
  width: 38px;
  height: 38px;
}

.official-links,
.official-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.official-links {
  gap: 26px;
  color: var(--official-muted);
  font-size: 14px;
}

.official-btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid var(--official-line);
  border-radius: 6px;
  background: #fff;
  color: var(--official-ink);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.official-btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--official-green), var(--official-teal));
  border-color: transparent;
  box-shadow: 0 12px 30px rgba(24, 168, 112, 0.25);
}

.official-btn.light {
  color: var(--official-ink);
  background: #fff;
}

.official-hero {
  min-height: 690px;
  padding: 58px 0 46px;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 54px;
  align-items: center;
}

.official-eyebrow {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--official-teal);
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 18px;
}

.official-eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--official-green);
  box-shadow: 0 0 0 7px rgba(24, 168, 112, 0.14);
}

.hero-copy h1 {
  max-width: 640px;
  margin: 0;
  font-size: 58px;
  line-height: 1.04;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.hero-copy p {
  max-width: 610px;
  margin: 22px 0 0;
  color: var(--official-muted);
  font-size: 19px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.hero-actions,
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 610px;
  margin-top: 38px;
}

.hero-metrics div {
  padding: 18px 16px;
  border: 1px solid rgba(219, 230, 238, 0.82);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(10px);
}

.hero-metrics strong {
  display: block;
  font-size: 26px;
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--official-muted);
  font-size: 13px;
}

.hero-product {
  position: relative;
  min-height: 560px;
}

.hero-copy,
.hero-product {
  min-width: 0;
}

.crm-panel,
.workflow-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(219, 230, 238, 0.92);
  border-radius: 8px;
  box-shadow: var(--official-shadow);
}

.crm-panel {
  position: absolute;
  inset: 0 0 auto auto;
  width: 520px;
  padding: 22px;
}

.panel-top,
.customer-row,
.android-head,
.record-line,
.workflow-card div,
.section-head,
.official-cta {
  display: flex;
  align-items: center;
}

.panel-top {
  justify-content: space-between;
  margin-bottom: 20px;
}

.panel-tab {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 6px;
  background: #f1f5f8;
  color: var(--official-muted);
  font-size: 12px;
  font-weight: 800;
}

.panel-tab.active {
  background: #edf7f3;
  color: var(--official-teal);
}

.seat-ok {
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(24, 168, 112, 0.12);
  color: var(--official-green);
  font-size: 12px;
  font-weight: 800;
}

.customer-row {
  min-height: 58px;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr auto;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid #edf2f5;
  font-size: 13px;
}

.customer-row:first-of-type {
  border-top: 1px solid #edf2f5;
}

.customer-row b,
.customer-row small {
  display: block;
}

.customer-row b {
  font-size: 14px;
}

.customer-row small {
  margin-top: 4px;
  color: var(--official-muted);
}

.customer-row button {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: var(--official-green);
  font-size: 16px;
  font-weight: 900;
}

.android-card {
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 268px;
  padding: 18px;
  border-radius: 8px;
  background: #17212b;
  color: #fff;
  box-shadow: 0 24px 50px rgba(23, 33, 43, 0.28);
}

.android-head {
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  margin-bottom: 16px;
}

.record-line {
  gap: 12px;
  padding: 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.audio-wave {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.audio-wave i {
  width: 4px;
  border-radius: 99px;
  background: #36d397;
}

.audio-wave i:nth-child(1) { height: 14px; }
.audio-wave i:nth-child(2) { height: 28px; }
.audio-wave i:nth-child(3) { height: 20px; }
.audio-wave i:nth-child(4) { height: 34px; }
.audio-wave i:nth-child(5) { height: 18px; }

.record-line strong,
.record-line span {
  display: block;
}

.record-line span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.android-card h2 {
  margin: 18px 0 8px;
  font-size: 18px;
}

.android-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  line-height: 1.7;
}

.workflow-card {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 288px;
  padding: 16px;
  box-shadow: 0 16px 34px rgba(23, 33, 43, 0.12);
}

.workflow-card h2 {
  margin: 0 0 10px;
  font-size: 16px;
}

.workflow-card div {
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  color: var(--official-muted);
  font-size: 13px;
  line-height: 1.55;
}

.workflow-card i {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #edf7f3;
  color: var(--official-green);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.official-section {
  padding: 54px 0 74px;
}

.section-head {
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 22px;
}

.section-head h2,
.official-cta h2 {
  margin: 0;
}

.section-head h2 {
  font-size: 34px;
  line-height: 1.2;
}

.section-head p {
  max-width: 470px;
  margin: 0;
  color: var(--official-muted);
  line-height: 1.8;
}

.official-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.official-feature {
  min-height: 184px;
  padding: 20px;
  border: 1px solid var(--official-line);
  border-radius: 8px;
  background: var(--official-panel);
  box-shadow: 0 10px 24px rgba(23, 33, 43, 0.06);
}

.feature-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  color: #fff;
  font-weight: 900;
}

.feature-icon.blue { background: var(--official-blue); }
.feature-icon.green { background: var(--official-green); }
.feature-icon.amber { background: var(--official-amber); }
.feature-icon.red { background: var(--official-red); }

.official-feature h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.official-feature p {
  margin: 0;
  color: var(--official-muted);
  font-size: 14px;
  line-height: 1.75;
}

.official-cta {
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 54px;
  padding: 28px;
  border-radius: 8px;
  background: #17212b;
  color: #fff;
  box-shadow: var(--official-shadow);
}

.official-cta h2 {
  margin-bottom: 8px;
  font-size: 28px;
}

.official-cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
}

@media (max-width: 980px) {
  .official-links {
    display: none;
  }

  .official-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy h1 {
    font-size: 42px;
  }

  .hero-product {
    min-height: auto;
  }

  .crm-panel,
  .android-card,
  .workflow-card {
    position: relative;
    inset: auto;
    width: 100%;
    margin-top: 14px;
  }

  .official-feature-grid {
    grid-template-columns: 1fr;
  }

  .section-head,
  .official-cta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .official-nav,
  .official-hero,
  .official-section,
  .official-cta {
    width: min(100% - 28px, 1180px);
  }

  .official-nav {
    height: auto;
    padding: 14px 0;
    align-items: flex-start;
    gap: 12px;
    flex-direction: column;
  }

  .official-actions,
  .hero-actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
  }

  .official-btn {
    width: 100%;
    min-width: 0;
  }

  .hero-copy h1 {
    font-size: 30px;
    line-height: 1.18;
    word-break: break-all;
  }

  .hero-copy p {
    font-size: 16px;
    line-height: 1.75;
    word-break: break-all;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .customer-row {
    grid-template-columns: 1fr;
  }
}