:root {
  --primary: #1e63ff;
  --deep: #153ea8;
  --accent: #55c7ff;
  --ink: #10204a;
  --muted: #5d6f94;
  --line: #dce8ff;
  --soft: #f4f8ff;
  --softer: #f9fbff;
  --white: #ffffff;
  --shadow: 0 14px 36px rgba(30, 99, 255, 0.09);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(85, 199, 255, 0.16), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, #f6f9ff 48%, #ffffff 100%);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.72;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(220, 232, 255, 0.82);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--deep);
  font-size: 16px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border: 2px solid var(--primary);
  border-radius: 10px;
  background:
    linear-gradient(90deg, transparent 47%, rgba(30, 99, 255, 0.22) 47% 53%, transparent 53%),
    linear-gradient(0deg, transparent 47%, rgba(85, 199, 255, 0.32) 47% 53%, transparent 53%),
    #ffffff;
  box-shadow: 0 8px 18px rgba(30, 99, 255, 0.16);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

.top-nav a {
  border-radius: 999px;
  padding: 8px 12px;
}

.top-nav a:hover {
  color: var(--primary);
  background: var(--soft);
}

.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 72px 0;
}

.hero {
  position: relative;
  display: grid;
  min-height: 650px;
  align-items: center;
  overflow: hidden;
  width: 100%;
  margin: 0;
  padding: 94px max(22px, calc((100vw - 1120px) / 2)) 86px;
  background:
    linear-gradient(135deg, rgba(244, 248, 255, 0.96), rgba(255, 255, 255, 0.98)),
    radial-gradient(circle at 78% 22%, rgba(85, 199, 255, 0.2), transparent 24rem);
}

.science-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.science-bg svg {
  position: absolute;
  fill: none;
  stroke: var(--primary);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bg-dna {
  right: 8%;
  top: 12%;
  width: 210px;
  opacity: 0.1;
}

.bg-chip {
  right: 20%;
  bottom: 10%;
  width: 190px;
  opacity: 0.08;
}

.bg-molecule {
  left: 5%;
  bottom: 12%;
  width: 250px;
  opacity: 0.11;
}

.hero-content {
  position: relative;
  max-width: 760px;
}

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

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

h1 {
  margin-bottom: 16px;
  color: var(--deep);
  font-size: clamp(48px, 8vw, 92px);
  line-height: 1.02;
  letter-spacing: 0;
}

.subtitle {
  max-width: 720px;
  margin-bottom: 14px;
  color: #21356f;
  font-size: clamp(21px, 4vw, 33px);
  font-weight: 700;
  line-height: 1.34;
}

.slogan {
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(17px, 3.2vw, 22px);
}

.hero-actions,
.compare-grid,
.honor-grid,
.keyword-grid,
.metric-grid,
.future-grid,
.roadmap-grid {
  display: grid;
  gap: 14px;
}

.hero-actions {
  grid-template-columns: repeat(2, minmax(0, 150px));
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--primary);
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 800;
}

.button.primary {
  color: #ffffff;
  background: var(--primary);
  box-shadow: 0 12px 26px rgba(30, 99, 255, 0.22);
}

.button.secondary {
  color: var(--primary);
  background: #ffffff;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin-bottom: 0;
  color: var(--deep);
  font-size: clamp(28px, 5.8vw, 46px);
  line-height: 1.18;
  letter-spacing: 0;
}

.content-card,
.statement-card,
.keyword-card,
.metric-card,
.status-card,
.honor-card,
.contact-card,
.compare-card,
.quote-panel,
.roadmap-grid article,
.future-grid article {
  border: 1px solid rgba(220, 232, 255, 0.92);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.content-card,
.statement-card,
.contact-card {
  padding: clamp(22px, 5vw, 34px);
}

.content-card p:last-child,
.statement-card p:last-child,
.contact-card p:last-child {
  margin-bottom: 0;
}

.content-card p,
.statement-card p,
.contact-card p,
.contact-card li {
  color: var(--muted);
  font-size: 17px;
}

.keyword-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 18px;
}

.keyword-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
}

.keyword-card h3,
.honor-card h3 {
  margin: 0;
  color: var(--deep);
  font-size: 18px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 22px;
  align-items: start;
}

.flow-list {
  position: relative;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  min-height: 76px;
  padding: 18px 20px;
  border: 1px solid rgba(85, 199, 255, 0.38);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #ffffff, #f3f9ff);
  box-shadow: 0 10px 28px rgba(30, 99, 255, 0.08);
}

.flow-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 35px;
  bottom: -16px;
  width: 2px;
  height: 16px;
  background: var(--accent);
}

.flow-list strong {
  color: var(--deep);
  font-size: 17px;
}

.line-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border: 2px solid var(--primary);
  border-radius: 12px;
  background: #ffffff;
  color: var(--primary);
}

.line-icon::before,
.line-icon::after {
  content: "";
  display: block;
}

.folder-icon::before {
  width: 18px;
  height: 13px;
  border: 2px solid currentColor;
  border-top-width: 5px;
  border-radius: 3px;
}

.repeat-icon::before {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-left-color: transparent;
  border-radius: 50%;
}

.archive-icon::before,
.input-icon::before {
  width: 18px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 3px;
  box-shadow: inset 0 5px 0 rgba(30, 99, 255, 0.12);
}

.ai-icon::before {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-radius: 6px;
  background: radial-gradient(circle, currentColor 0 2px, transparent 2px);
}

.check-icon::before {
  width: 17px;
  height: 9px;
  border-left: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
  transform: rotate(-45deg);
}

.checklist-icon::before {
  width: 17px;
  height: 19px;
  border: 2px solid currentColor;
  border-radius: 4px;
  background: linear-gradient(currentColor, currentColor) 50% 38% / 9px 2px no-repeat;
}

.knowledge-icon::before {
  width: 19px;
  height: 15px;
  border: 2px solid currentColor;
  border-radius: 50% 50% 6px 6px;
}

.trophy-icon::before {
  width: 18px;
  height: 15px;
  border: 2px solid currentColor;
  border-radius: 4px 4px 9px 9px;
}

.badge-icon::before {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 99, 255, 0.18) 0 5px, transparent 5px);
}

.statement-card h3 {
  margin-bottom: 16px;
  color: var(--deep);
  font-size: clamp(25px, 5vw, 38px);
  line-height: 1.24;
}

.compare-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  margin-top: 18px;
}

.compare-card {
  padding: 22px;
}

.compare-card h3 {
  margin-bottom: 18px;
  color: var(--deep);
}

.compare-card.highlighted {
  border-color: rgba(30, 99, 255, 0.34);
  background: linear-gradient(135deg, #ffffff, #eef6ff);
}

.compare-card.highlighted p {
  margin: 18px 0 0;
  color: var(--primary);
  font-weight: 800;
}

.step-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.step-row span {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  border-radius: 999px;
  padding: 7px 13px;
  color: var(--deep);
  background: var(--soft);
  font-weight: 750;
}

.compare-card.highlighted .step-row span {
  color: #ffffff;
  background: var(--primary);
}

.metric-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 18px;
}

.metric-card {
  min-height: 158px;
  padding: 24px 18px;
}

.metric-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: clamp(34px, 6vw, 50px);
  line-height: 1;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.45;
}

.quote-panel {
  margin-top: 18px;
  padding: 22px;
}

.quote-label {
  margin-bottom: 14px;
  color: var(--primary);
  font-weight: 800;
}

blockquote {
  margin: 10px 0 0;
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 14px;
  color: #2e457d;
  font-size: 18px;
  font-weight: 700;
}

.status-card {
  display: inline-grid;
  gap: 4px;
  margin-bottom: 18px;
  padding: 18px 24px;
  background: linear-gradient(135deg, #ffffff, #eef6ff);
}

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

.status-card strong {
  color: var(--primary);
  font-size: 24px;
}

.roadmap-grid {
  grid-template-columns: repeat(5, 1fr);
  margin-top: 18px;
}

.roadmap-grid article,
.future-grid article {
  padding: 18px;
  color: var(--deep);
  font-weight: 800;
  min-height: 92px;
}

.roadmap-grid article {
  border-top: 4px solid var(--accent);
}

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

.honor-card {
  display: flex;
  align-items: center;
  gap: 15px;
  min-height: 120px;
  padding: 24px;
}

.future-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 18px;
}

.closing-line {
  margin: 28px 0 0;
  color: var(--deep);
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 850;
  line-height: 1.35;
}

.contact-card ul {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding-left: 22px;
}

.contact-card h3 {
  margin: 24px 0 12px;
  color: var(--deep);
}

.contact-info {
  display: grid;
  gap: 3px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.contact-info p {
  margin: 0;
}

.contact-info a {
  color: var(--primary);
  font-weight: 800;
}

.site-footer {
  display: grid;
  gap: 6px;
  padding: 38px 18px 46px;
  color: #ffffff;
  text-align: center;
  background: linear-gradient(135deg, var(--deep), var(--primary));
}

.site-footer strong {
  font-size: 22px;
}

@media (max-width: 900px) {
  .top-nav {
    display: none;
  }

  .section {
    width: min(100% - 32px, 680px);
    padding: 56px 0;
  }

  .hero {
    min-height: 610px;
    padding: 76px 22px 70px;
  }

  .bg-dna {
    right: -28px;
    top: 86px;
    width: 176px;
  }

  .bg-chip {
    right: 16px;
    bottom: 52px;
    width: 150px;
  }

  .bg-molecule {
    left: -32px;
    bottom: 90px;
    width: 180px;
  }

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

  .keyword-grid,
  .split-layout,
  .compare-grid,
  .metric-grid,
  .roadmap-grid,
  .honor-grid,
  .future-grid {
    grid-template-columns: 1fr;
  }

  .metric-card {
    min-height: 130px;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    font-size: 15px;
  }

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

  .button {
    width: 100%;
  }

  .content-card p,
  .statement-card p,
  .contact-card p,
  .contact-card li {
    font-size: 16px;
  }

  .keyword-card,
  .honor-card {
    align-items: flex-start;
  }
}