:root {
  --bg: #f3f6f8;
  --surface: #ffffff;
  --ink: #15212c;
  --muted: #65717d;
  --blue: #1f506f;
  --blue-dark: #163b54;
  --blue-soft: #e5eef4;
  --line: #d9e1e6;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 16%, rgba(31, 80, 111, 0.08), transparent 26%),
    linear-gradient(135deg, #f8fafb 0%, var(--bg) 55%, #edf2f5 100%);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--blue);
  border-radius: 6px;
  font-size: 16px;
  letter-spacing: 0;
}

.site-type {
  color: var(--muted);
  font-size: 13px;
}

.main-content {
  display: grid;
  align-items: center;
}

.main-grid {
  padding-block: clamp(34px, 6vh, 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: clamp(56px, 8vw, 112px);
}

.hero {
  position: relative;
}

.eyebrow,
.panel-label {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

h1,
p,
dd {
  overflow-wrap: break-word;
}

h1 {
  margin: 0;
  font-size: clamp(58px, 7vw, 88px);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.headline {
  margin: 22px 0 0;
  color: var(--blue-dark);
  font-size: clamp(23px, 2.5vw, 31px);
  font-weight: 600;
  line-height: 1.45;
}

.description {
  max-width: 620px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.building-status {
  width: fit-content;
  max-width: 100%;
  margin-top: 34px;
  padding: 12px 17px;
  display: flex;
  align-items: center;
  gap: 11px;
  color: #445462;
  border: 1px solid #cad8e1;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.building-status strong {
  color: var(--blue-dark);
}

.status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: #397394;
  border-radius: 50%;
  box-shadow: 0 0 0 5px var(--blue-soft);
}

.value-points {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 640px;
  border-top: 1px solid var(--line);
}

.value-points > div {
  padding: 17px 18px 0 0;
}

.value-points > div + div {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.value-points strong,
.value-points span {
  display: block;
}

.value-points strong {
  color: var(--blue-dark);
  font-size: 14px;
}

.value-points span {
  margin-top: 2px;
  color: #7c8791;
  font-size: 11px;
}

.info-panel {
  padding: 30px 32px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 18px 50px rgba(22, 59, 84, 0.08);
}

.about > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.topics {
  margin-top: 24px;
  padding-top: 21px;
  border-top: 1px solid var(--line);
}

.topics ul {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  list-style: none;
}

.topics li {
  padding: 9px 11px;
  color: #3e5361;
  background: var(--bg);
  border: 1px solid #e1e7eb;
  border-radius: 5px;
}

.topics li strong,
.topics li span {
  display: block;
}

.topics li strong {
  color: var(--blue-dark);
  font-size: 12px;
}

.topics li span {
  margin-top: 1px;
  color: #7b8791;
  font-size: 10px;
}

.facts {
  margin: 24px 0 0;
  padding-top: 19px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  border-top: 1px solid var(--line);
}

.facts > div {
  min-width: 0;
}

.facts dt {
  color: #8a949e;
  font-size: 11px;
}

.facts dd {
  margin: 2px 0 0;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 600;
}

.site-footer {
  min-height: 66px;
  display: grid;
  align-items: center;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 26px;
  text-align: center;
}

.footer-inner a {
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
}

.filing-links {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.filing-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.filing-links img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex: 0 0 20px;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  text-decoration: underline;
}

@media (max-width: 800px) {
  body {
    display: block;
  }

  .main-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-block: 52px;
  }

  .info-panel {
    max-width: 560px;
  }

  .site-footer {
    padding-block: 18px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(var(--container), calc(100% - 30px));
  }

  .header-inner {
    min-height: 60px;
  }

  .brand {
    font-size: 15px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .site-type {
    font-size: 10px;
  }

  .main-grid {
    gap: 30px;
    padding-block: 42px;
  }

  h1 {
    font-size: 54px;
  }

  .headline {
    margin-top: 17px;
    font-size: 22px;
  }

  .description {
    font-size: 15px;
  }

  .building-status {
    margin-top: 26px;
    align-items: flex-start;
    line-height: 1.55;
  }

  .value-points {
    margin-top: 24px;
  }

  .status-dot {
    margin-top: 7px;
  }

  .info-panel {
    padding: 24px;
  }

  .value-points {
    grid-template-columns: 1fr;
    border-top: 0;
  }

  .value-points > div,
  .value-points > div + div {
    padding: 9px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .topics,
  .facts {
    margin-top: 20px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 7px;
  }

  .filing-links {
    flex-direction: column;
    gap: 5px;
  }
}

@media (max-height: 700px) and (min-width: 801px) {
  .main-grid {
    padding-block: 28px;
  }

  h1 {
    font-size: 64px;
  }

  .headline {
    margin-top: 16px;
    font-size: 24px;
  }

  .building-status {
    margin-top: 24px;
  }

  .info-panel {
    padding: 24px 28px;
  }

  .topics,
  .facts {
    margin-top: 18px;
    padding-top: 16px;
  }
}