:root {
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  color: #1d1d1f;
  background: #f5f5f7;
  --blue: #0071e3;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.09);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(#fbfbfd 0, #f5f5f7 38%, #fafafa 100%);
}
a {
  transition:
    background-color 0.2s,
    color 0.2s,
    transform 0.2s;
}
.home-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  background: rgba(250, 250, 252, 0.86);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  backdrop-filter: saturate(180%) blur(20px);
}
.home-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-right: auto;
  color: #1d1d1f;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.home-brand .brand-icon {
  display: block;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  object-fit: cover;
}
.home-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.home-nav a {
  color: #424245;
  font-size: 13px;
  font-weight: 550;
  text-decoration: none;
  white-space: nowrap;
}
.home-nav a:hover {
  opacity: .9;
}
.home-nav .header-cta {
  padding: 8px 15px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
}
.home-header select {
  padding: 7px 26px 7px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: #424245;
  font: inherit;
  font-size: 12px;
}
main {
  max-width: 1180px;
  margin: auto;
  padding: 0 24px;
}
.home-hero {
  min-height: min(590px, calc(100vh - 58px));
  display: grid;
  place-content: center;
  justify-items: center;
  padding: 72px 20px 62px;
  text-align: center;
}
.home-overline {
  margin: 0;
  color: #86868b;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.15em;
}
.home-hero h1 {
  max-width: 980px;
  margin: 18px 0 24px;
  font-size: clamp(48px, 6.4vw, 78px);
  line-height: 1.03;
  letter-spacing: -0.055em;
  text-wrap: balance;
}
.home-lead {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
}
.home-actions {
  display: flex;
  gap: 12px;
  margin-top: 34px;
}
.home-primary,
.home-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  padding: 12px 22px;
  border: 1px solid var(--blue);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
}
.home-primary {
  background: var(--blue);
  color: #fff;
}
.home-secondary {
  color: var(--blue);
  background: transparent;
}
.home-primary:hover,
.home-secondary:hover {
  transform: translateY(-1px);
}
.section-block {
  padding: 108px 0;
  border-top: 1px solid var(--line);
}
.section-heading {
  max-width: 720px;
  margin-bottom: 46px;
}
.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}
.section-heading h2,
.final-cta h2 {
  margin: 12px 0 0;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.section-heading > p:last-child {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}
.workflow-line {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 18px;
}
.workflow-line div {
  min-height: 126px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
}
.workflow-line span,
.difference-grid span,
.how-grid span {
  color: #86868b;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.1em;
}
.workflow-line strong {
  font-size: 18px;
}
.workflow-line i {
  color: #a1a1a6;
  font-style: normal;
}
.product-window,
.quality-window {
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.1);
}
.window-top {
  height: 54px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.window-top b {
  margin-right: auto;
}
.window-top span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #d2d2d7;
}
.window-body {
  min-height: 500px;
  display: grid;
  grid-template-columns: 190px 1fr;
}
.window-body aside {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 30px 18px;
  border-right: 1px solid var(--line);
  background: #f5f5f7;
}
.window-body aside span,
.window-body aside b {
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 13px;
}
.window-body aside b {
  background: #e8e8ed;
}
.window-main {
  padding: 50px;
}
.window-main small {
  color: #86868b;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.window-main h3 {
  margin: 10px 0 28px;
  font-size: 34px;
  letter-spacing: -0.04em;
}
.preview-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.preview-kpis div {
  min-height: 112px;
  padding: 20px;
  border-right: 1px solid var(--line);
}
.preview-kpis div:last-child {
  border: 0;
}
.preview-kpis span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}
.preview-kpis b {
  display: block;
  margin-top: 22px;
  font-size: 24px;
}
.preview-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.preview-panels > div {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
}
.chart-line {
  height: 90px;
  margin-top: 32px;
  border-bottom: 2px solid var(--blue);
  transform: skewY(-5deg);
}
.chart-bars {
  height: 105px;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-top: 22px;
}
.chart-bars i {
  flex: 1;
  height: 38%;
  border-radius: 5px 5px 0 0;
  background: #d7eaff;
}
.chart-bars i:nth-child(2) {
  height: 52%;
}
.chart-bars i:nth-child(3) {
  height: 45%;
}
.chart-bars i:nth-child(4) {
  height: 72%;
}
.chart-bars i:nth-child(5) {
  height: 88%;
  background: var(--blue);
}
.difference-grid,
.how-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.difference-grid article,
.how-grid article {
  min-height: 220px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
}
.difference-grid h3,
.how-grid h3 {
  margin: 42px 0 12px;
  font-size: 23px;
  letter-spacing: -0.025em;
}
.difference-grid p,
.how-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}
.how-grid {
  grid-template-columns: repeat(4, 1fr);
}
.how-grid article {
  min-height: 260px;
}
.quality-showcase {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
  align-items: center;
}
.quality-showcase .section-heading {
  margin: 0;
}
.quality-head {
  display: flex;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}
.quality-head b {
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef7ef;
  color: #287a3f;
  font-size: 12px;
}
.quality-list {
  padding: 8px 28px 18px;
}
.quality-list > div {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}
.quality-list > div:last-child {
  border: 0;
}
.quality-list i {
  display: grid;
  place-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #eef7ef;
  color: #287a3f;
  font-style: normal;
  font-size: 12px;
}
.quality-list em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}
.final-cta {
  text-align: center;
}
.final-cta p:not(.home-overline) {
  margin: 18px 0 30px;
  color: var(--muted);
  font-size: 19px;
}
.final-cta .home-primary {
  display: inline-flex;
}
.home-footer {
  max-width: 1180px;
  margin: auto;
  padding: 30px 24px 38px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.home-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.home-footer a {
  color: var(--blue);
  text-decoration: none;
}
.home-footer a:hover {
  text-decoration: underline;
}
@media (max-width: 900px) {
  .home-nav a:first-child {
    display: none;
  }
  .workflow-line {
    grid-template-columns: 1fr 1fr;
  }
  .workflow-line i {
    display: none;
  }
  .window-body {
    grid-template-columns: 150px 1fr;
  }
  .window-main {
    padding: 34px;
  }
  .how-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .quality-showcase {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}
@media (max-width: 640px) {
  .home-header {
    height: auto;
    min-height: 58px;
    padding: 10px 18px;
    gap: 10px;
  }
  .home-nav {
    margin-left: auto;
    gap: 10px;
  }
  .home-nav a:not(.header-cta) {
    display: none;
  }
  .home-header select {
    max-width: 112px;
  }
  main {
    padding: 0 18px;
  }
  .home-hero {
    min-height: 540px;
    padding: 66px 0 52px;
  }
  .home-hero h1 {
    font-size: clamp(44px, 13vw, 62px);
  }
  .home-actions {
    width: 100%;
    flex-direction: column;
  }
  .home-primary,
  .home-secondary {
    width: 100%;
  }
  .section-block {
    padding: 74px 0;
  }
  .workflow-line,
  .difference-grid,
  .how-grid {
    grid-template-columns: 1fr;
  }
  .workflow-line div {
    min-height: 104px;
  }
  .window-body {
    display: block;
    min-height: 0;
  }
  .window-body aside {
    display: none;
  }
  .window-main {
    padding: 24px;
  }
  .window-main h3 {
    font-size: 28px;
  }
  .preview-kpis {
    grid-template-columns: 1fr;
  }
  .preview-kpis div {
    min-height: 82px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .preview-panels {
    grid-template-columns: 1fr;
  }
  .difference-grid article,
  .how-grid article {
    min-height: 190px;
  }
  .home-footer {
    flex-direction: column;
    padding-inline: 18px;
  }
}