:root {
  --bg: #070b14;
  --bg-soft: #0e1526;
  --panel: rgba(18, 28, 49, 0.8);
  --text: #e8eeff;
  --muted: #99a8c7;
  --primary: #5d9bff;
  --accent: #3de8d0;
  --line: rgba(116, 147, 208, 0.25);
  --shadow: 0 12px 30px rgba(14, 39, 88, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 20% 10%, rgba(93, 155, 255, 0.22), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(61, 232, 208, 0.14), transparent 36%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(7, 11, 20, 0.8);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: #d6e5ff;
}

.logo-img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 6px 16px rgba(61, 232, 208, 0.2);
}

.logo-text {
  line-height: 1;
}

.logo-text span {
  color: var(--accent);
}

.menu {
  display: flex;
  gap: 1.1rem;
  align-items: center;
}

.menu a {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.2s ease;
}

.menu a:hover {
  color: var(--text);
}

.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 0.7rem 1.1rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #7f9cff);
  color: #fff;
  box-shadow: 0 8px 22px rgba(93, 155, 255, 0.38);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: rgba(173, 195, 236, 0.4);
  color: #d9e4ff;
  background: rgba(26, 39, 66, 0.45);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #d9e4ff;
  font-size: 1.5rem;
  cursor: pointer;
}

.hero {
  padding: 5.5rem 0 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.78rem;
  border-radius: 999px;
  font-size: 0.82rem;
  color: #d9f9f4;
  background: rgba(38, 122, 140, 0.23);
  border: 1px solid rgba(61, 232, 208, 0.36);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(1.9rem, 4.8vw, 3.2rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--muted);
  font-size: 1.02rem;
  margin-bottom: 1.5rem;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.stats {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.stat {
  border: 1px solid var(--line);
  background: rgba(18, 28, 49, 0.5);
  padding: 0.85rem 0.9rem;
  border-radius: 0.85rem;
}

.stat h3 {
  font-size: 1.25rem;
  color: #e9f0ff;
  margin-bottom: 0.2rem;
}

.stat p {
  margin: 0;
  font-size: 0.85rem;
  color: #9ab0d8;
}

.hero-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.2rem;
  background: linear-gradient(165deg, rgba(27, 39, 67, 0.82), rgba(16, 24, 42, 0.85));
  box-shadow: var(--shadow);
}

.hero-card h2 {
  font-size: 1.08rem;
  margin-bottom: 0.7rem;
  color: #eaf4ff;
}

.hero-card ul {
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.hero-card li {
  color: #b5c7ea;
  padding: 0.62rem 0.68rem;
  border-radius: 0.65rem;
  border: 1px solid rgba(126, 156, 219, 0.22);
  background: rgba(31, 45, 75, 0.42);
  font-size: 0.92rem;
}

section {
  padding: 1.2rem 0 4rem;
}

.section-title {
  font-size: clamp(1.45rem, 3vw, 2rem);
  margin-bottom: 0.7rem;
}

.section-desc {
  color: var(--muted);
  max-width: 72ch;
  margin-bottom: 1.5rem;
}

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

.card {
  border-radius: 0.95rem;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.04rem;
}

.card p {
  color: #aac0e3;
  font-size: 0.92rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.process li {
  list-style: none;
  border-left: 2px solid #5f7dbf;
  padding: 0.45rem 0 0.45rem 0.85rem;
  color: #bad0f6;
  margin-bottom: 0.45rem;
}

.cta {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 24, 41, 0), rgba(19, 31, 55, 0.58), rgba(15, 24, 41, 0));
}

.cta-box {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.cta p {
  color: var(--muted);
  max-width: 62ch;
  margin-top: 0.5rem;
}

footer {
  padding: 1.2rem 0 2.2rem;
  color: #98a9cb;
  font-size: 0.9rem;
}

.filing {
  display: grid;
  gap: 0.35rem;
}

.record-link {
  color: #b8cefa;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.record-link:hover {
  color: #e2ecff;
}

.update-time {
  color: #7f96c3;
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .logo {
    gap: 0.45rem;
    font-size: 1rem;
  }

  .logo-img {
    width: 32px;
    height: 32px;
  }

  .menu-toggle {
    display: block;
  }

  .menu {
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    background: rgba(10, 15, 27, 0.98);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    padding: 1rem 4%;
  }

  .menu.show {
    display: flex;
  }

  .stats,
  .cards,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4.2rem;
  }
}