:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-strong: #eef4f6;
  --text: #162028;
  --muted: #5e6c76;
  --line: #dbe4ea;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --gold: #c28a28;
  --shadow: 0 18px 50px rgba(22, 32, 40, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(245, 247, 251, 0.96)),
    radial-gradient(circle at 18% 16%, rgba(15, 118, 110, 0.16), transparent 32%),
    radial-gradient(circle at 84% 14%, rgba(194, 138, 40, 0.16), transparent 26%),
    var(--bg);
  color: var(--text);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    "Hiragino Sans GB",
    Arial,
    sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}

.brand-text {
  display: grid;
}

.brand-text strong {
  font-size: 18px;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

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

.nav a:hover {
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-strong);
}

main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 96px);
  padding: 52px 0 74px;
}

.hero-copy {
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  color: #102027;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 560px;
  color: var(--muted);
  font-size: 20px;
}

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

.pitch {
  position: absolute;
  inset: 34px 22px 20px 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 50%, transparent 50%),
    repeating-linear-gradient(90deg, #0f766e 0 72px, #128379 72px 144px);
  box-shadow: var(--shadow);
}

.center-circle,
.mid-line,
.goal,
.dot {
  position: absolute;
  display: block;
}

.center-circle {
  top: 50%;
  left: 50%;
  width: 110px;
  height: 110px;
  border: 2px solid rgba(255, 255, 255, 0.65);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.mid-line {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: rgba(255, 255, 255, 0.58);
}

.goal {
  top: 50%;
  width: 48px;
  height: 150px;
  border: 2px solid rgba(255, 255, 255, 0.65);
  transform: translateY(-50%);
}

.goal-left {
  left: 0;
  border-left: 0;
}

.goal-right {
  right: 0;
  border-right: 0;
}

.dot {
  width: 18px;
  height: 18px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.dot-a {
  top: 28%;
  left: 22%;
}

.dot-b {
  top: 52%;
  left: 38%;
}

.dot-c {
  top: 36%;
  right: 28%;
}

.dot-d {
  bottom: 20%;
  right: 18%;
}

.data-panel {
  position: absolute;
  right: 0;
  bottom: 0;
  display: grid;
  gap: 2px;
  width: 210px;
  border: 1px solid rgba(219, 228, 234, 0.92);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  padding: 18px;
  box-shadow: 0 12px 36px rgba(22, 32, 40, 0.14);
}

.data-panel span,
.data-panel small {
  color: var(--muted);
  font-size: 13px;
}

.data-panel strong {
  color: var(--accent-strong);
  font-size: 46px;
  line-height: 1;
}

.section {
  padding: 74px 0;
  border-top: 1px solid var(--line);
}

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

h2 {
  margin-bottom: 8px;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 210px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 24px;
}

.feature-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  place-items: center;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.feature-card p,
.about-content p,
.contact-list dd {
  color: var(--muted);
}

.about-band {
  display: grid;
  grid-template-columns: 0.65fr 1fr;
  gap: 42px;
  align-items: start;
}

.about-content {
  max-width: 760px;
  border-left: 4px solid var(--accent);
  padding-left: 26px;
  font-size: 18px;
}

.contact-section {
  display: grid;
  grid-template-columns: 0.65fr 1fr;
  gap: 42px;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.contact-list div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding: 0 0 14px;
}

.contact-list dt {
  color: var(--text);
  font-weight: 700;
}

.contact-list dd {
  margin: 0;
}

.contact-list a {
  color: var(--accent-strong);
  font-weight: 700;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 26px 0 36px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.record-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.record-links a {
  color: var(--accent-strong);
  font-weight: 700;
}

.police-record {
  color: #7a8790;
}

@media (max-width: 880px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
  }

  .hero,
  .about-band,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 26px;
    min-height: auto;
    padding-top: 32px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .pitch {
    inset: 20px 0 40px;
  }

  .data-panel {
    right: 18px;
  }

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

@media (max-width: 560px) {
  main,
  .site-header,
  .site-footer {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: 38px;
  }

  .lead {
    font-size: 17px;
  }

  .hero-visual {
    min-height: 300px;
  }

  .data-panel {
    width: 184px;
    padding: 15px;
  }

  .contact-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}
