:root {
  color: #1f2937;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --brand: #1f5fbf;
  --brand-dark: #174a94;
  --brand-soft: #edf4ff;
  --ink: #1f2937;
  --muted: #667085;
  --line: #e3e8ef;
  --surface: #f7f9fc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-size: 14px;
}

button,
a,
summary {
  font: inherit;
}

a {
  color: inherit;
}

[data-site-header] {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 60px;
  padding: 9px max(24px, calc((100vw - 1120px) / 2));
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

[data-site-brand] {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #153d78;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

[data-site-logo] {
  width: 30px;
  height: 30px;
  color: #153d78;
}

[data-site-navigation] {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #475467;
  font-size: 13px;
  font-weight: 600;
}

[data-site-header-tools] {
  display: flex;
  align-items: center;
  gap: 8px;
}

[data-site-navigation] > a {
  text-decoration: none;
}

[data-site-navigation] > a:hover,
[data-site-navigation] > a:focus-visible,
[data-site-language] summary:hover,
[data-site-language] summary:focus-visible {
  color: var(--brand);
}

[data-site-navigation] [data-nav-primary] {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 15px;
  color: #ffffff;
  background: var(--brand);
  border-radius: 6px;
}

[data-site-navigation] [data-nav-primary]:hover,
[data-site-navigation] [data-nav-primary]:focus-visible {
  color: #ffffff;
  background: var(--brand-dark);
}

[data-site-language] {
  position: relative;
}

[data-site-language] summary {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 9px;
  color: #475467;
  background: #ffffff;
  border: 1px solid #d8dee8;
  border-radius: 6px;
  cursor: pointer;
  list-style: none;
}

[data-site-language] summary::-webkit-details-marker {
  display: none;
}

[data-language-menu] {
  position: absolute;
  top: calc(100% + 7px);
  right: 0;
  min-width: 158px;
  padding: 5px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 7px;
  box-shadow: 0 8px 24px rgba(16, 24, 40, 0.1);
}

[data-language-menu] a {
  display: flex;
  align-items: center;
  min-height: 34px;
  padding: 0 10px;
  color: #344054;
  border-radius: 4px;
  font-size: 13px;
  text-decoration: none;
}

[data-language-menu] a:hover,
[data-language-menu] a:focus-visible {
  color: var(--brand-dark);
  background: #f4f7fb;
}

[data-language-menu] a[aria-current="page"] {
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-weight: 700;
}

[data-site-nav-toggle] {
  display: none;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 0 10px;
  color: #344054;
  background: #ffffff;
  border: 1px solid #d8dee8;
  border-radius: 6px;
}

main {
  overflow: clip;
}

[data-site-hero] {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(450px, 1.14fr);
  gap: clamp(34px, 5vw, 64px);
  align-items: center;
  width: min(1120px, calc(100% - 48px));
  min-height: 492px;
  margin: 0 auto;
  padding: 50px 0 58px;
}

[data-eyebrow],
[data-section-label] {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 520px;
  margin: 0;
  color: #153d78;
  font-size: clamp(40px, 4.4vw, 56px);
  font-weight: 720;
  letter-spacing: -0.04em;
  line-height: 1.12;
  overflow-wrap: normal;
  text-wrap: balance;
  word-break: normal;
}

[data-hero-intro] {
  max-width: 520px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

[data-hero-actions] {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

[data-primary-action],
[data-secondary-action] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 17px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

[data-primary-action] {
  color: #ffffff;
  background: var(--brand);
  border: 1px solid var(--brand);
}

[data-primary-action]:hover,
[data-primary-action]:focus-visible {
  color: #ffffff;
  background: var(--brand-dark);
  border-color: var(--brand-dark);
}

[data-secondary-action] {
  gap: 7px;
  color: #344054;
  background: #ffffff;
  border: 1px solid #d8dee8;
}

[data-secondary-action]:hover,
[data-secondary-action]:focus-visible {
  color: var(--brand-dark);
  border-color: #9db4d7;
}

[data-mail-preview] {
  min-height: 342px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #dce3ec;
  border-radius: 9px;
  box-shadow: 0 10px 30px rgba(31, 41, 55, 0.09);
}

[data-preview-topbar] {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 7px 11px;
  color: #174a94;
  border-bottom: 1px solid #e8ecf2;
}

[data-preview-topbar] > strong {
  font-size: 12px;
}

[data-preview-logo] {
  flex: 0 0 auto;
  color: var(--brand);
}

[data-preview-search] {
  flex: 1;
  min-width: 80px;
  margin-left: 8px;
  padding: 7px 11px;
  overflow: hidden;
  color: #8a94a6;
  background: #f4f6f9;
  border: 1px solid #eef1f5;
  border-radius: 5px;
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-preview-avatar] {
  display: grid;
  width: 27px;
  height: 27px;
  color: #ffffff;
  background: #3867aa;
  border-radius: 50%;
  place-items: center;
  font-size: 10px;
  font-weight: 700;
}

[data-preview-workspace] {
  display: grid;
  grid-template-columns: 118px 1fr;
  min-height: 296px;
}

[data-preview-sidebar] {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 8px;
  color: #667085;
  background: #f8fafc;
  border-right: 1px solid #e8ecf2;
  font-size: 9px;
}

[data-preview-sidebar] span {
  padding: 6px 8px;
  border-radius: 4px;
}

[data-preview-sidebar] [data-preview-compose] {
  margin-bottom: 7px;
  padding: 8px;
  color: #ffffff;
  background: var(--brand);
  font-weight: 700;
}

[data-preview-sidebar] [data-preview-active] {
  display: flex;
  color: #174a94;
  background: #eaf2ff;
  font-weight: 700;
}

[data-preview-active] b {
  margin-left: auto;
}

[data-preview-list] {
  min-width: 0;
}

[data-preview-tools] {
  display: flex;
  align-items: center;
  min-height: 34px;
  padding: 0 11px;
  color: #475467;
  border-bottom: 1px solid #e8ecf2;
  font-size: 10px;
  font-weight: 650;
}

[data-preview-tools] small {
  margin-left: auto;
  color: #8a94a6;
  font-size: 9px;
  font-weight: 500;
}

[data-preview-message] {
  display: grid;
  grid-template-columns: minmax(78px, 0.75fr) minmax(130px, 1.8fr) auto;
  gap: 9px;
  align-items: center;
  min-height: 38px;
  padding: 0 11px;
  color: #667085;
  border-bottom: 1px solid #eef1f5;
  font-size: 9px;
}

[data-preview-message][data-unread="true"] {
  color: #243b61;
  background: #fbfcfe;
}

[data-preview-message] p {
  overflow: hidden;
  margin: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-preview-message] time {
  color: #98a2b3;
  white-space: nowrap;
}

[data-preview-reading] {
  margin: 11px;
  padding: 14px 16px;
  background: #ffffff;
  border: 1px solid #e6eaf0;
  border-radius: 6px;
}

[data-preview-reading] h2 {
  margin: 0 0 8px;
  color: #263b5e;
  font-size: 15px;
  letter-spacing: -0.02em;
}

[data-preview-reading] p {
  margin: 0;
  color: #7a8495;
  font-size: 9px;
  line-height: 1.55;
}

[data-preview-reading] [data-preview-kicker] {
  margin-bottom: 5px;
  color: #4c6489;
  font-weight: 650;
}

[data-proof-strip] {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

[data-proof-strip] div {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  padding: 21px 28px;
  text-align: center;
}

[data-proof-strip] div + div {
  border-left: 1px solid var(--line);
}

[data-proof-strip] strong {
  color: #29466f;
  font-size: 14px;
}

[data-proof-strip] span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

[data-site-section] {
  width: min(1040px, calc(100% - 48px));
  margin: 0 auto;
  padding: 76px 0;
}

[data-site-section] > h2,
[data-experience-section] h2,
[data-final-cta] h2 {
  max-width: 700px;
  margin: 0;
  color: #183f77;
  font-size: clamp(28px, 3.2vw, 38px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

[data-feature-grid] {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 32px;
}

[data-feature-grid] article {
  min-height: 174px;
  padding: 21px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

[data-feature-grid] article > span {
  color: #8da1bc;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

[data-feature-grid] h3 {
  margin: 28px 0 9px;
  color: #29466f;
  font-size: 17px;
  letter-spacing: -0.015em;
}

[data-feature-grid] p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

[data-experience-section] {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 54px;
  align-items: center;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 40px 46px;
  background: #f4f7fb;
  border: 1px solid #dfe6ef;
  border-radius: 10px;
}

[data-experience-section] p:not([data-section-label]) {
  max-width: 590px;
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

[data-experience-section] ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  color: #344054;
  list-style: none;
}

[data-experience-section] li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid #dfe6ef;
  font-size: 12px;
  line-height: 1.45;
}

[data-experience-section] li span {
  color: #1f7a55;
  font-weight: 800;
}

[data-final-cta] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  width: min(1040px, calc(100% - 48px));
  margin: 68px auto;
  padding: 30px 34px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

[data-final-cta] h2 {
  max-width: 620px;
  font-size: clamp(25px, 3vw, 34px);
}

[data-final-cta] [data-primary-action] {
  flex: 0 0 auto;
}

[data-site-footer] {
  display: flex;
  gap: 24px;
  align-items: center;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 22px 0 30px;
  color: #7a8495;
  border-top: 1px solid #edf0f4;
  font-size: 12px;
}

[data-site-footer] a {
  margin-left: auto;
  color: #29466f;
  font-weight: 650;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid rgba(31, 95, 191, 0.55);
  outline-offset: 2px;
}

@media (max-width: 960px) {
  [data-site-hero] {
    grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1.22fr);
    gap: 30px;
  }

  [data-experience-section] {
    gap: 34px;
    padding: 36px;
  }
}

@media (max-width: 860px) {
  [data-site-header] {
    flex-wrap: wrap;
    padding-right: 18px;
    padding-left: 18px;
  }

  [data-site-nav-toggle] {
    display: inline-flex;
  }

  [data-site-header-tools] {
    margin-left: auto;
  }

  [data-site-navigation] {
    order: 3;
    display: none;
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px 0 4px;
  }

  [data-site-navigation][data-open="true"] {
    display: flex;
  }

  [data-site-navigation] > a {
    min-height: 38px;
    padding: 10px;
    border-radius: 5px;
  }

  [data-site-hero] {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 42px;
  }

  [data-hero-copy] {
    max-width: 660px;
  }

  [data-mail-preview] {
    width: min(680px, 100%);
    margin: 0 auto;
  }

  [data-proof-strip],
  [data-feature-grid] {
    grid-template-columns: 1fr;
  }

  [data-proof-strip] div {
    padding: 17px 22px;
  }

  [data-proof-strip] div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  [data-feature-grid] article {
    min-height: 0;
  }

  [data-feature-grid] h3 {
    margin-top: 18px;
  }

  [data-experience-section] {
    grid-template-columns: 1fr;
  }

  [data-final-cta] {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  [data-site-hero],
  [data-proof-strip],
  [data-site-section],
  [data-experience-section],
  [data-final-cta],
  [data-site-footer] {
    width: min(100% - 28px, 1120px);
  }

  [data-site-hero] {
    gap: 34px;
    padding: 36px 0 46px;
  }

  h1 {
    font-size: clamp(36px, 11.5vw, 46px);
  }

  [data-hero-intro] {
    font-size: 15px;
  }

  [data-hero-actions] a {
    flex: 1 1 140px;
  }

  [data-site-language] summary {
    justify-content: center;
    width: 36px;
    padding: 0;
  }

  [data-site-nav-toggle] {
    justify-content: center;
    width: 36px;
    padding: 0;
  }

  [data-site-language] summary span,
  [data-site-nav-label] {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  [data-preview-search],
  [data-preview-message],
  [data-preview-reading] p {
    font-size: 11px;
  }

  [data-preview-tools] {
    font-size: 11px;
  }

  [data-preview-tools] small {
    font-size: 10px;
  }

  [data-preview-workspace] {
    grid-template-columns: 1fr;
  }

  [data-preview-sidebar] {
    display: none;
  }

  [data-preview-message] {
    grid-template-columns: minmax(74px, 0.8fr) minmax(0, 1.6fr);
    gap: 7px;
    padding-right: 10px;
    padding-left: 10px;
  }

  [data-preview-message] time {
    display: none;
  }

  [data-site-section] {
    padding: 58px 0;
  }

  [data-experience-section] {
    padding: 28px 22px;
  }

  [data-experience-section] ul {
    grid-template-columns: 1fr;
  }

  [data-final-cta] {
    margin: 52px auto;
    padding: 25px 22px;
  }

  [data-site-footer] {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  [data-site-footer] a {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}