:root {
  --ink: #0f172a;
  --muted: #64748b;
  --line: #dbe5f3;
  --blue: #2563eb;
  --blue-2: #06b6d4;
  --deep: #06142d;
  --deep-2: #0b1e45;
  --green: #10b981;
  --gold: #f59e0b;
  --bg: #f6f8fc;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.site-header {
  height: 76px;
  padding: 0 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 20, 45, 0.92);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  height: 48px;
}

.brand img {
  height: 46px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 34px;
  color: #e5edff;
  font-size: 15px;
  font-weight: 700;
}

.nav-links a {
  opacity: 0.88;
}

.nav-links a:hover {
  color: #7dd3fc;
  opacity: 1;
}

.header-cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
}

.header-cta, .btn.primary {
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.28);
}

.btn.secondary {
  color: #dbeafe;
  border-color: rgba(219, 234, 254, 0.45);
  background: rgba(15, 23, 42, 0.22);
}

.btn.ghost {
  color: #dbeafe;
  border-color: rgba(219, 234, 254, 0.28);
}

.hero {
  min-height: 640px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 25%, rgba(14, 165, 233, 0.28), transparent 28%),
    radial-gradient(circle at 20% 10%, rgba(37, 99, 235, 0.26), transparent 24%),
    linear-gradient(145deg, #06142d 0%, #071b42 58%, #0b1026 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, transparent 0 55%, rgba(14, 165, 233, 0.12) 55.2%, transparent 57%),
    linear-gradient(120deg, transparent 0 66%, rgba(37, 99, 235, 0.18) 66.2%, transparent 68%);
  opacity: 0.86;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  min-height: 640px;
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  align-items: center;
  gap: 56px;
  padding: 54px 0 72px;
}

.eyebrow, .section-kicker {
  margin: 0 0 14px;
  color: #38bdf8;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  color: #fff;
  font-size: 58px;
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 640px;
  margin: 24px 0 0;
  color: #cbd5e1;
  font-size: 18px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 28px;
  color: #b7c7e8;
  font-size: 14px;
}

.trust-row span::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 99px;
  background: #38bdf8;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.85);
}

.hero-panel {
  padding: 20px;
  border: 1px solid rgba(125, 211, 252, 0.36);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.panel-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 8px 18px;
}

.panel-top strong {
  display: block;
  font-size: 18px;
}

.panel-top span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.panel-top .status {
  align-self: start;
  padding: 5px 10px;
  color: #047857;
  background: #d1fae5;
  border-radius: 999px;
  font-weight: 800;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metric-grid div, .tool-preview-list a {
  padding: 16px;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #f8fafc;
}

.metric-grid b {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric-grid strong {
  display: block;
  margin-top: 8px;
  color: var(--blue);
  font-size: 18px;
}

.workflow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0;
  padding: 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, #eff6ff, #ecfeff);
  color: #1e3a8a;
  font-weight: 900;
}

.workflow i {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, #bfdbfe, #22d3ee);
}

.tool-preview-list {
  display: grid;
  gap: 12px;
}

.tool-preview-list b {
  display: block;
  margin-bottom: 5px;
}

.tool-preview-list span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.section {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 70px 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 28px;
}

.section-head h2, .story-card h2, .about-section h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.25;
}

.section-head p:not(.section-kicker), .story-card p, .about-section p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.tool-card {
  min-height: 245px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.tool-card.active {
  border-color: #93c5fd;
  box-shadow: 0 22px 50px rgba(37, 99, 235, 0.12);
}

.icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 15px;
  color: #fff;
  font-weight: 900;
  font-size: 20px;
}

.icon.green { background: linear-gradient(135deg, #10b981, #14b8a6); }
.icon.gold { background: linear-gradient(135deg, #f59e0b, #f97316); }
.icon.blue { background: linear-gradient(135deg, #2563eb, #0ea5e9); }
.icon.cyan { background: linear-gradient(135deg, #06b6d4, #22c55e); }

.badge {
  display: inline-flex;
  padding: 4px 9px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
  font-size: 12px;
  font-weight: 900;
}

.badge.live {
  background: #dcfce7;
  color: #047857;
}

.tool-card h3, .pricing-grid h3 {
  margin: 12px 0 8px;
  font-size: 19px;
}

.tool-card p, .pricing-grid p {
  min-height: 76px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.tool-card a {
  display: inline-flex;
  margin-top: 18px;
  color: var(--blue);
  font-weight: 900;
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 20px;
  align-items: stretch;
}

.dark-card {
  padding: 32px;
  border-radius: 22px;
  background: linear-gradient(145deg, #071b42, #06142d);
  color: #fff;
}

.dark-card p {
  color: #cbd5e1;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.work-list {
  display: grid;
  gap: 14px;
}

.work-item {
  display: flex;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.work-item span {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  font-weight: 900;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
}

.work-item h3 {
  margin: 0 0 8px;
}

.work-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.pricing-section {
  padding-top: 52px;
}

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

.pricing-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
}

.pricing-grid article.featured {
  border-color: #93c5fd;
  background: linear-gradient(180deg, #eff6ff, #fff);
}

.pricing-grid span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.pricing-grid b {
  display: inline-flex;
  margin-top: 18px;
  color: #0f766e;
}

.about-section {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 34px;
  align-items: center;
  padding-top: 48px;
}

.about-section blockquote {
  margin: 0;
  padding: 28px;
  border-left: 5px solid var(--blue);
  border-radius: 18px;
  background: #fff;
  color: #1e293b;
  font-size: 20px;
  line-height: 1.8;
  font-weight: 800;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 56px;
  background: #06142d;
  color: #cbd5e1;
}

.footer img {
  height: 48px;
  width: auto;
  filter: brightness(1.15);
}

.footer p {
  margin: 8px 0 0;
}

.footer-links {
  display: flex;
  gap: 22px;
  align-items: center;
  font-weight: 800;
}

@media (max-width: 1100px) {
  .site-header {
    padding: 0 24px;
  }

  .nav-links {
    gap: 18px;
  }

  .hero-content, .split-section, .about-section {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 46px;
  }

  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .site-header {
    height: auto;
    padding: 14px 18px;
    flex-wrap: wrap;
  }

  .brand img {
    height: 38px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-top: 10px;
    gap: 18px;
    font-size: 14px;
  }

  .header-cta {
    min-height: 36px;
    padding: 0 14px;
  }

  .hero-content {
    width: min(100% - 28px, 1200px);
    min-height: auto;
    padding: 42px 0 56px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .metric-grid, .tool-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }

  .section {
    width: min(100% - 28px, 1200px);
    padding: 46px 0;
  }

  .section-head h2, .story-card h2, .about-section h2 {
    font-size: 28px;
  }

  .footer {
    flex-direction: column;
    padding: 28px 18px;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}