:root {
  --text: #0f1f3a;
  --muted: #5b6b86;
  --soft: #f5f8fd;
  --line: #dfe8f5;
  --blue: #176bff;
  --blue-2: #0e4ecb;
  --cyan: #16c7e8;
  --green: #18b884;
  --shadow: 0 18px 48px rgba(20, 78, 166, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #ffffff;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(223, 232, 245, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
}

.brand-logo {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 10px;
  overflow: hidden;
}

.brand-logo::before {
  content: attr(data-fallback);
  font-weight: 800;
}

.brand-logo.has-logo::before {
  content: "";
}

.brand-logo img {
  width: 100%;
  height: 100%;
  display: none;
  object-fit: contain;
}

.brand-logo.has-logo img {
  display: block;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: #32425d;
  font-size: 15px;
}

.top-nav a:hover {
  color: var(--blue);
}

.header-cta,
.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 999px;
  font-weight: 700;
}

.header-cta {
  min-width: 118px;
  color: #ffffff;
  background: var(--blue);
  box-shadow: 0 10px 24px rgba(23, 107, 255, 0.22);
}

.landing-main {
  overflow: hidden;
}

.hero-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(440px, 1fr);
  gap: 48px;
  min-height: 650px;
  padding: 92px clamp(20px, 5vw, 72px) 72px;
  background:
    radial-gradient(circle at 78% 22%, rgba(22, 199, 232, 0.2), transparent 28%),
    radial-gradient(circle at 20% 18%, rgba(23, 107, 255, 0.14), transparent 26%),
    linear-gradient(180deg, #f7fbff 0%, #eef6ff 58%, #ffffff 100%);
}

.hero-section::after {
  position: absolute;
  right: -14%;
  bottom: -26%;
  width: 560px;
  height: 560px;
  content: "";
  background: radial-gradient(circle, rgba(23, 107, 255, 0.11), transparent 62%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  align-self: center;
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.hero-copy h1 {
  margin: 0;
  color: #071a35;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.08;
  font-weight: 900;
}

.hero-subtitle {
  max-width: 590px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

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

.primary-btn {
  min-width: 154px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 16px 32px rgba(23, 107, 255, 0.26);
}

.secondary-btn {
  min-width: 144px;
  color: var(--blue);
  background: #ffffff;
  border: 1px solid rgba(23, 107, 255, 0.22);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 42px;
}

.hero-metrics div {
  min-width: 118px;
}

.hero-metrics strong {
  display: block;
  color: #071a35;
  font-size: 28px;
  line-height: 1;
  font-weight: 900;
}

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

.hero-dashboard-scene {
  position: relative;
  z-index: 1;
  align-self: center;
}

.dashboard-shell {
  min-height: 466px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  padding: 18px;
}

.dashboard-topbar {
  display: flex;
  gap: 8px;
  height: 34px;
  align-items: center;
}

.dashboard-topbar span {
  width: 10px;
  height: 10px;
  background: #c9d7ec;
  border-radius: 50%;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.dashboard-card,
.dashboard-table {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.dashboard-card.wide,
.dashboard-table {
  grid-column: 1 / -1;
}

.card-title {
  color: var(--muted);
  font-weight: 700;
}

.dashboard-card strong {
  display: block;
  margin-top: 18px;
  color: #0b2653;
  font-size: 34px;
  line-height: 1;
}

.dashboard-card p {
  margin: 10px 0 0;
  color: var(--green);
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 138px;
  margin-top: 18px;
}

.chart-bars i {
  flex: 1;
  min-width: 24px;
  background: linear-gradient(180deg, #57d7ff, #176bff);
  border-radius: 12px 12px 4px 4px;
}

.chart-bars i:nth-child(1) { height: 42%; }
.chart-bars i:nth-child(2) { height: 62%; }
.chart-bars i:nth-child(3) { height: 48%; }
.chart-bars i:nth-child(4) { height: 78%; }
.chart-bars i:nth-child(5) { height: 58%; }
.chart-bars i:nth-child(6) { height: 88%; }

.dashboard-table {
  display: grid;
  gap: 10px;
}

.dashboard-table div {
  display: grid;
  grid-template-columns: 1.4fr 1fr 70px;
  gap: 12px;
  align-items: center;
  color: #314360;
  min-height: 34px;
}

.dashboard-table div:first-child {
  color: var(--muted);
  font-weight: 800;
}

.dashboard-table em {
  color: var(--blue);
  background: #eef5ff;
  border-radius: 999px;
  padding: 5px 10px;
  font-style: normal;
  text-align: center;
}

.entry-section,
.capability-section,
.scenario-section,
.value-section {
  padding: 86px clamp(20px, 5vw, 72px);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-head h2,
.scenario-copy h2 {
  margin: 0;
  color: #071a35;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.22;
}

.entry-grid,
.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.entry-card,
.capability-grid article,
.value-section > div {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(20, 78, 166, 0.07);
}

.entry-card {
  min-height: 230px;
  padding: 24px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.entry-card:hover {
  transform: translateY(-6px);
  border-color: rgba(23, 107, 255, 0.34);
  box-shadow: 0 20px 46px rgba(20, 78, 166, 0.14);
}

.entry-card span,
.capability-grid b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 28px;
  color: var(--blue);
  background: #eef5ff;
  border-radius: 999px;
  font-size: 13px;
}

.entry-card strong,
.capability-grid h3,
.value-section strong {
  display: block;
  margin-top: 22px;
  color: #071a35;
  font-size: 21px;
  font-weight: 900;
}

.entry-card p,
.capability-grid p,
.value-section p,
.scenario-copy p,
.workflow p {
  color: var(--muted);
  line-height: 1.75;
}

.capability-section {
  background: linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
}

.capability-grid article {
  min-height: 220px;
  padding: 26px;
}

.scenario-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1fr);
  gap: 48px;
  align-items: center;
  background:
    radial-gradient(circle at 12% 20%, rgba(23, 107, 255, 0.1), transparent 28%),
    #f7fbff;
}

.scenario-copy {
  max-width: 590px;
}

.workflow {
  display: grid;
  gap: 14px;
}

.workflow div {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  column-gap: 16px;
  align-items: center;
  min-height: 104px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 12px 30px rgba(20, 78, 166, 0.08);
}

.workflow span {
  grid-row: 1 / span 2;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 14px;
  font-weight: 900;
}

.workflow strong {
  color: #071a35;
  font-size: 18px;
}

.workflow p {
  margin: 4px 0 0;
}

.value-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.value-section > div {
  padding: 30px;
  min-height: 170px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  color: #7b8aa3;
  background: #071a35;
  padding: 28px 20px;
}

@media (max-width: 1024px) {
  .top-nav {
    display: none;
  }

  .hero-section,
  .scenario-section {
    grid-template-columns: 1fr;
  }

  .hero-dashboard-scene {
    max-width: 720px;
  }

  .entry-grid,
  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    height: auto;
    gap: 12px;
    padding: 14px 16px;
  }

  .header-cta {
    min-width: 92px;
    min-height: 36px;
    font-size: 13px;
  }

  .hero-section {
    min-height: auto;
    padding: 54px 18px 42px;
  }

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

  .dashboard-grid,
  .entry-grid,
  .capability-grid,
  .value-section {
    grid-template-columns: 1fr;
  }

  .dashboard-table div {
    grid-template-columns: 1fr;
  }

  .entry-section,
  .capability-section,
  .scenario-section,
  .value-section {
    padding: 54px 18px;
  }
}