:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-deep: #030711;
  --surface: rgba(255, 255, 255, 0.07);
  --surface-soft: rgba(234, 224, 203, 0.08);
  --text: #f4efe4;
  --muted: #aeb8c8;
  --accent: #d8b76a;
  --accent-cool: #78c7d3;
  --line: rgba(255, 255, 255, 0.14);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.36);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg-deep);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 14%, rgba(120, 199, 211, 0.22), transparent 24rem),
    radial-gradient(circle at 10% 88%, rgba(216, 183, 106, 0.16), transparent 24rem),
    linear-gradient(145deg, #030711 0%, #07111f 48%, #111827 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.68) 0 1px, transparent 1.4px),
    radial-gradient(circle, rgba(120, 199, 211, 0.5) 0 1px, transparent 1.5px);
  background-position: 0 0, 38px 52px;
  background-size: 110px 120px, 160px 150px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0.18));
}

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

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border: 1px solid rgba(216, 183, 106, 0.42);
  border-radius: 8px;
  background:
    radial-gradient(circle at 64% 26%, #fff3b8 0 3px, transparent 4px),
    radial-gradient(circle at 32% 70%, rgba(120, 199, 211, 0.8), transparent 16px),
    linear-gradient(135deg, #07111f, #12333d 60%, #8d6b2d);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.26);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
  letter-spacing: 0;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: clamp(32px, 7vw, 92px);
  align-items: center;
  min-height: min(720px, calc(100vh - 116px));
  padding: clamp(54px, 8vw, 94px) 0 clamp(58px, 8vw, 100px);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-cool);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 8em;
  margin-bottom: 22px;
  font-size: clamp(56px, 10vw, 118px);
  font-weight: 760;
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 5vw, 58px);
  font-weight: 720;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: #d9dfeb;
  font-size: clamp(20px, 3vw, 29px);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 14px;
  border: 1px solid rgba(216, 183, 106, 0.28);
  border-radius: 8px;
  color: #f3dfaa;
  background: rgba(216, 183, 106, 0.08);
  font-size: 14px;
}

.hero-visual {
  position: relative;
  aspect-ratio: 0.86;
  min-height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 26%),
    radial-gradient(circle at 50% 36%, rgba(216, 183, 106, 0.28), transparent 6rem),
    radial-gradient(circle at 48% 46%, rgba(120, 199, 211, 0.28), transparent 11rem),
    linear-gradient(150deg, rgba(5, 11, 26, 0.96), rgba(15, 39, 50, 0.9) 55%, rgba(77, 57, 32, 0.78));
  box-shadow: var(--shadow);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.hero-visual::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 18%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(244, 239, 228, 0.72), transparent);
  transform: rotate(-9deg);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(120, 199, 211, 0.28);
  border-radius: 50%;
  transform: rotate(-18deg);
}

.orbit-a {
  inset: 24% 18%;
}

.orbit-b {
  inset: 34% 28%;
  border-color: rgba(216, 183, 106, 0.3);
}

.star {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #fff3b8;
  box-shadow: 0 0 24px rgba(255, 243, 184, 0.95);
}

.star-a {
  left: 25%;
  top: 26%;
}

.star-b {
  right: 25%;
  top: 35%;
}

.star-c {
  left: 47%;
  bottom: 28%;
}

.traveler {
  position: absolute;
  left: 48%;
  top: 50%;
  width: 34px;
  height: 44px;
  border: 1px solid rgba(244, 239, 228, 0.72);
  border-radius: 18px 18px 8px 8px;
  background: linear-gradient(180deg, rgba(244, 239, 228, 0.82), rgba(120, 199, 211, 0.28));
  box-shadow: 0 18px 48px rgba(120, 199, 211, 0.34);
  transform: translate(-50%, -50%);
}

.traveler::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -15px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #f4efe4;
  transform: translateX(-50%);
}

.route-line {
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: 31%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(216, 183, 106, 0.88), transparent);
  transform: rotate(-9deg);
}

.story-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.82fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: start;
  padding: clamp(64px, 9vw, 118px) 0;
  border-top: 1px solid var(--line);
}

.section-kicker {
  position: sticky;
  top: 24px;
}

.story-copy {
  max-width: 760px;
  color: #d5dbea;
  font-size: clamp(19px, 2.3vw, 26px);
  line-height: 1.8;
}

.story-copy p:last-child,
.journey-section p:last-child {
  margin-bottom: 0;
}

.journey-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: clamp(58px, 8vw, 92px);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

.journey-section article {
  min-height: 250px;
  padding: clamp(22px, 3vw, 34px);
  background: rgba(255, 255, 255, 0.055);
  transition: background 220ms var(--ease), transform 220ms var(--ease);
}

.journey-section article:hover {
  background: rgba(255, 255, 255, 0.085);
  transform: translateY(-2px);
}

.journey-section span {
  display: block;
  margin-bottom: 54px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.journey-section p {
  color: var(--muted);
  font-size: 16px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  color: rgba(244, 239, 228, 0.68);
  font-size: 14px;
}

.site-footer a {
  color: #f3dfaa;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.beian-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.beian-link img {
  width: 14px;
  height: 14px;
  opacity: 0.8;
}

@media (max-width: 900px) {
  .hero,
  .story-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 42px;
  }

  .hero-visual {
    width: min(100%, 430px);
    min-height: 360px;
  }

  .section-kicker {
    position: static;
  }

  .journey-section {
    grid-template-columns: 1fr;
  }

  .journey-section article {
    min-height: 0;
  }

  .journey-section span {
    margin-bottom: 28px;
  }
}

@media (max-width: 620px) {
  .site-header,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .site-header,
  main,
  .site-footer {
    width: min(100% - 28px, 1160px);
  }

  h1 {
    font-size: clamp(48px, 18vw, 76px);
  }

  .hero-actions span {
    flex: 1 1 74px;
    justify-content: center;
  }

  .story-copy {
    font-size: 18px;
  }
}