:root {
  --ink: #102033;
  --muted: #637083;
  --line: #e6edf5;
  --blue: #1168e8;
  --cyan: #18bce8;
  --green: #65c846;
  --navy: #06274d;
  --soft: #f5f9fd;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(19, 61, 119, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 clamp(20px, 6vw, 80px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(230, 237, 245, 0.86);
  backdrop-filter: blur(16px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--navy);
  white-space: nowrap;
}

.brand img,
.footer-brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: cover;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 3vw, 36px);
  color: #2f4258;
  font-size: 15px;
}

.main-nav a:hover,
.site-footer a:hover {
  color: var(--blue);
}

.header-cta,
.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 4px;
  font-weight: 700;
  white-space: nowrap;
}

.header-cta,
.primary-btn {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 12px 24px rgba(17, 104, 232, 0.22);
}

.secondary-btn {
  color: var(--blue);
  border: 1px solid #c8dbf4;
  background: #fff;
}

.hero {
  min-height: 690px;
  padding: 86px clamp(20px, 6vw, 80px) 74px;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.96) 0%, rgba(241, 248, 255, 0.94) 48%, rgba(229, 247, 255, 0.84) 100%),
    radial-gradient(circle at 85% 18%, rgba(24, 188, 232, 0.22), transparent 28%);
  overflow: hidden;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  gap: clamp(42px, 7vw, 88px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 650px;
  margin-bottom: 22px;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 3.8vw, 44px);
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.35;
}

.hero-text {
  max-width: 620px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 42px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 132px));
  gap: 12px;
}

.hero-metrics div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(215, 229, 244, 0.9);
  border-radius: 8px;
}

.hero-metrics strong {
  display: block;
  color: var(--navy);
  font-size: 24px;
  line-height: 1.1;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  min-height: 470px;
}

.visual-orbit {
  position: absolute;
  top: 0;
  right: 22px;
  width: 260px;
  height: 260px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid rgba(203, 226, 246, 0.9);
  border-radius: 26px;
  box-shadow: var(--shadow);
  transform: rotate(3deg);
}

.visual-orbit img {
  width: 198px;
  height: 198px;
  object-fit: cover;
}

.dashboard-panel {
  position: absolute;
  left: 0;
  right: 54px;
  bottom: 0;
  min-height: 302px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(203, 226, 246, 0.9);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.panel-head {
  display: flex;
  gap: 7px;
  margin-bottom: 20px;
}

.panel-head span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #c9d9ea;
}

.panel-head span:first-child {
  background: var(--green);
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 14px;
}

.chart-card,
.line-list {
  min-height: 92px;
  padding: 16px;
  background: #f5f9fd;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.chart-card.large {
  grid-row: span 2;
  min-height: 198px;
}

.chart-card p {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 14px;
}

.chart-card strong {
  color: var(--navy);
  font-size: 30px;
}

.chart-card i {
  display: block;
  height: 72px;
  margin-top: 22px;
  background:
    linear-gradient(180deg, transparent 72%, rgba(17, 104, 232, 0.16) 0),
    linear-gradient(135deg, transparent 0 18%, #18bce8 18% 20%, transparent 20% 36%, #1168e8 36% 39%, transparent 39% 58%, #65c846 58% 61%, transparent 61%);
  border-bottom: 1px solid #c6d8ee;
}

.line-list {
  display: grid;
  align-content: center;
  gap: 12px;
}

.line-list span {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #d7e6f6, #8fc8f1);
}

.line-list span:nth-child(2) {
  width: 82%;
}

.line-list span:nth-child(3) {
  width: 64%;
}

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 84px clamp(20px, 5vw, 48px);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  padding-top: 34px;
  padding-bottom: 34px;
}

.trust-strip span {
  padding: 10px 18px;
  color: #31506f;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading p:not(.eyebrow),
.case-copy p,
.contact-section p {
  color: var(--muted);
  font-size: 17px;
}

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

.solution-card {
  min-height: 260px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(22, 63, 111, 0.06);
}

.solution-card:hover {
  border-color: #bad8f8;
  transform: translateY(-3px);
  transition: 180ms ease;
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  color: var(--blue);
  background: #edf6ff;
  border-radius: 8px;
  font-weight: 800;
}

.solution-card p,
.service-list p,
.process p {
  color: var(--muted);
}

.services-band {
  max-width: none;
  padding-left: clamp(20px, 7vw, 88px);
  padding-right: clamp(20px, 7vw, 88px);
  background: linear-gradient(135deg, #06274d, #0d4a8b 58%, #0c7ac2);
}

.services-band > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-heading.light h2,
.section-heading.light p {
  color: #fff;
}

.section-heading.light .eyebrow {
  color: #8ee8ff;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.service-list div {
  min-height: 190px;
  padding: 30px;
  background: rgba(255, 255, 255, 0.08);
}

.service-list h3,
.service-list p {
  color: #fff;
}

.service-list p {
  opacity: 0.78;
}

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

.process div {
  position: relative;
  min-height: 220px;
  padding: 28px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.process span {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 32px;
  color: #fff;
  background: var(--blue);
  border-radius: 50%;
  font-weight: 800;
}

.case-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 46px;
  align-items: center;
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.value-grid div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 22px;
  padding: 24px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(22, 63, 111, 0.06);
}

.value-grid strong {
  color: var(--blue);
  font-size: 36px;
  line-height: 1;
}

.value-grid span {
  color: var(--muted);
}

.contact-section {
  max-width: 1120px;
  margin: 0 auto 84px;
  padding: 42px clamp(24px, 5vw, 52px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  background:
    linear-gradient(135deg, rgba(17, 104, 232, 0.08), rgba(24, 188, 232, 0.12)),
    #f7fbff;
  border: 1px solid #dbeaf8;
  border-radius: 8px;
}

.contact-section h2 {
  font-size: clamp(28px, 3vw, 38px);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(20px, 6vw, 80px);
  color: #667487;
  background: #f4f7fb;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  white-space: nowrap;
}

@media (max-width: 980px) {
  .site-header {
    height: auto;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

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

  .hero-visual {
    min-height: 430px;
  }

  .solution-grid,
  .service-list,
  .process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-section,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .header-cta {
    display: none;
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .hero {
    padding-top: 54px;
  }

  h1 {
    font-size: 40px;
    line-height: 1.16;
  }

  .hero-actions,
  .solution-grid,
  .service-list,
  .process {
    grid-template-columns: 1fr;
  }

  .primary-btn,
  .secondary-btn {
    width: 100%;
  }

  .hero-metrics {
    display: flex;
    flex-direction: column;
    margin-bottom: 26px;
  }

  .hero-metrics div {
    width: 100%;
  }

  .hero-metrics div:nth-child(3) {
    display: none;
  }

  .hero-visual {
    min-height: 480px;
  }

  .visual-orbit {
    left: 50%;
    right: auto;
    width: 220px;
    height: 220px;
    transform: translateX(-50%) rotate(3deg);
  }

  .visual-orbit img {
    width: 166px;
    height: 166px;
  }

  .dashboard-panel {
    left: 0;
    right: 0;
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }

  .chart-card.large {
    min-height: 170px;
  }

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .value-grid div {
    display: block;
  }

  .value-grid strong {
    display: block;
    margin-bottom: 8px;
  }
}