:root {
  --bg: #08111d;
  --bg-soft: #0f1d2d;
  --card: #11243a;
  --line: #2a3c56;
  --text: #e9eef7;
  --muted: #a5b2c7;
  --primary: #26c281;
  --primary-2: #11a0d9;
  --warning: #f0b429;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  min-height: 100vh;
  background: radial-gradient(1200px 700px at 15% -10%, rgba(38, 194, 129, 0.3), transparent 60%),
    radial-gradient(1000px 800px at 110% 0%, rgba(17, 160, 217, 0.24), transparent 60%),
    linear-gradient(155deg, #07101b 0%, #0d1a2c 55%, #102035 100%);
}

.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
}

.topbar {
  width: min(1160px, 92vw);
  margin: 18px auto 0;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(12, 25, 40, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 12px;
  z-index: 30;
}

.brand-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(45deg, var(--primary), var(--warning));
  box-shadow: 0 0 16px rgba(38, 194, 129, 0.8);
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.1em;
  font-size: 13px;
  font-weight: 700;
}

.topnav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

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

.container {
  width: min(1160px, 92vw);
  margin: 22px auto 60px;
  display: grid;
  gap: 18px;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(13, 29, 48, 0.76);
  box-shadow: var(--shadow);
}

.hero {
  padding: 34px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -70px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 180, 41, 0.3), transparent 65%);
}

.hero-kicker {
  margin: 0;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.14em;
}

.hero h1 {
  margin: 10px 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.02;
}

.hero-text {
  margin: 0;
  max-width: 720px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.hero-cta {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 11px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.btn-primary {
  background: linear-gradient(125deg, var(--primary), var(--primary-2));
  color: #04111f;
}

.btn-secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.hero-meta {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-meta span {
  border: 1px solid #345272;
  border-radius: 999px;
  padding: 6px 12px;
  color: #c0d0e7;
  font-size: 13px;
}

.panel {
  padding: 26px;
}

.panel h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 28px;
}

.panel-tip {
  color: var(--muted);
  margin: 10px 0 18px;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 14px;
  padding: 16px;
}

.card h3 {
  margin: 0 0 9px;
  font-size: 15px;
  color: #b6cae5;
}

.card a {
  color: #8be6c1;
  word-break: break-word;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.social {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  color: var(--text);
  text-decoration: none;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.social:hover {
  transform: translateY(-2px);
  border-color: #4d7098;
}

.social span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.social strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 17px;
}

.twitter strong { color: #7ec8ff; }
.telegram strong { color: #8be6c1; }
.facebook strong { color: #a8b7ff; }
.weibo strong { color: #ffc58a; }

.statement {
  margin: 12px 0 0;
  line-height: 1.75;
  color: var(--muted);
}

.footer {
  width: min(1160px, 92vw);
  margin: 0 auto 40px;
  color: #b9c8dd;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
}

.footer a {
  color: #8be6c1;
}

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

  .hero,
  .panel {
    padding: 20px;
  }

  .topbar {
    position: static;
  }
}