body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
  background: linear-gradient(135deg, #23243a 0%, #2e3a5a 100%);
  color: #eaf0fa;
  min-height: 100vh;
}

.hero {
  position: relative;
  width: 100vw;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  background: linear-gradient(120deg, #3a4a7c 0%, #23243a 100%);
  overflow: hidden;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.18);
}
.logo {
  width: 120px;
  height: 120px;
  margin-top: 2.5rem;
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px #4a90e2cc;
  background: rgba(255,255,255,0.04);
  z-index: 2;
}
.banner {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 100vw;
  height: 420px;
  object-fit: cover;
  opacity: 0.18;
  z-index: 1;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 3;
  margin-top: 1.2rem;
  text-align: center;
}
.hero-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  color: #4a90e2;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 16px #23243a88;
}
.hero-content p {
  font-size: 1.2rem;
  color: #eaf0fa;
  margin-bottom: 1.5rem;
  text-shadow: 0 1px 4px #23243a55;
}
.connect-btn {
  font-size: 1.18rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, #4a90e2 0%, #00ffea 100%);
  border: none;
  border-radius: 2rem;
  padding: 0.9rem 2.5rem;
  box-shadow: 0 4px 24px #4a90e2cc;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  margin-bottom: 1.5rem;
}
.connect-btn:hover {
  background: linear-gradient(90deg, #00ffea 0%, #4a90e2 100%);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 32px #00ffea88;
}

.video-section {
  margin: 2.5rem auto 1.5rem auto;
  max-width: 720px;
  background: rgba(40, 48, 80, 0.45);
  border-radius: 1.2rem;
  box-shadow: 0 4px 24px 0 rgba(31, 38, 135, 0.10);
  padding: 1.5rem 2rem;
  text-align: center;
}
.video-section h2 {
  color: #4a90e2;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 2px 12px #4a90e244;
}
.video-wrapper iframe {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  border: none;
  border-radius: 1rem;
}

.features-section {
  max-width: 720px;
  margin: 2rem auto 1.5rem auto;
  background: rgba(40, 48, 80, 0.35);
  border-radius: 1.2rem;
  box-shadow: 0 2px 12px 0 rgba(31, 38, 135, 0.08);
  border: 1.5px solid rgba(255,255,255,0.06);
  padding: 1.2rem 1.5rem;
}
.features-section h2 {
  color: #4a90e2;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
#featuresList {
  list-style: none;
  padding: 0;
  margin: 0;
}
#featuresList li {
  font-size: 1.08rem;
  color: #fff;
  background: linear-gradient(90deg, #4a90e222 0%, #00ffea22 100%);
  border-radius: 0.8rem;
  margin-bottom: 0.7rem;
  padding: 0.7rem 1.2rem;
  box-shadow: 0 1px 6px #4a90e222;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.contacts-section {
  max-width: 720px;
  margin: 2rem auto 2.5rem auto;
  background: rgba(40, 48, 80, 0.35);
  border-radius: 1.2rem;
  box-shadow: 0 2px 12px 0 rgba(31, 38, 135, 0.08);
  border: 1.5px solid rgba(255,255,255,0.06);
  padding: 1.2rem 1.5rem;
  text-align: center;
}
.contacts-section h2 {
  color: #4a90e2;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
#contacts {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.contact-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(90deg, #4a90e2 0%, #00ffea 100%);
  color: #fff;
  font-weight: 600;
  border-radius: 2rem;
  padding: 0.6rem 1.5rem;
  text-decoration: none;
  font-size: 1.08rem;
  box-shadow: 0 2px 12px #4a90e2cc;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.contact-btn img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px #4a90e2aa;
}
.contact-btn:hover {
  background: linear-gradient(90deg, #00ffea 0%, #4a90e2 100%);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 32px #00ffea88;
}

footer {
  text-align: center;
  color: #4a90e2;
  font-size: 1rem;
  padding: 2rem 0 1rem 0;
  opacity: 0.7;
}

@media (max-width: 900px) {
  .hero, .banner {
    min-height: 260px;
    height: 260px;
  }
  .logo {
    width: 80px;
    height: 80px;
    margin-top: 1.2rem;
  }
  .hero-content h1 {
    font-size: 1.5rem;
  }
  .video-section, .features-section, .contacts-section {
    max-width: 98vw;
    padding: 1rem 0.5rem;
  }
}

.status-section {
  max-width: 720px;
  margin: 2rem auto 1.5rem auto;
  display: flex;
  justify-content: center;
}
.status-card {
  background: rgba(40, 48, 80, 0.45);
  border-radius: 1.2rem;
  box-shadow: 0 2px 12px 0 rgba(31, 38, 135, 0.08);
  border: 1.5px solid rgba(255,255,255,0.06);
  padding: 1.2rem 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 1.1rem;
  font-weight: 600;
}
.status-dot {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  margin-right: 0.5rem;
  box-shadow: 0 0 8px #4caf50cc;
}

.introduction-section {
  max-width: 720px;
  margin: 2rem auto 1.5rem auto;
  display: flex;
  justify-content: center;
}
.intro-card {
  display: flex;
  align-items: center;
  background: rgba(40, 48, 80, 0.45);
  border-radius: 1.2rem;
  box-shadow: 0 2px 12px 0 rgba(31, 38, 135, 0.08);
  border: 1.5px solid rgba(255,255,255,0.06);
  padding: 1.2rem 2rem;
  gap: 2rem;
}
.intro-card img {
  width: 120px;
  height: 120px;
  border-radius: 1.2rem;
  object-fit: cover;
  box-shadow: 0 2px 12px #4a90e2aa;
}
.intro-content h2 {
  color: #4a90e2;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.intro-content p {
  color: #eaf0fa;
  font-size: 1.08rem;
  margin: 0;
}

.highlights-section {
  max-width: 900px;
  margin: 2rem auto 1.5rem auto;
  text-align: center;
}
.highlights-section h2 {
  color: #4a90e2;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.highlights-list {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.highlight-card {
  background: rgba(40, 48, 80, 0.45);
  border-radius: 1.2rem;
  box-shadow: 0 2px 12px 0 rgba(31, 38, 135, 0.08);
  border: 1.5px solid rgba(255,255,255,0.06);
  padding: 1.2rem 1.5rem;
  min-width: 180px;
  max-width: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.2s, transform 0.2s;
}
.highlight-card img {
  width: 48px;
  height: 48px;
  margin-bottom: 0.7rem;
}
.highlight-card h3 {
  color: #00ffea;
  font-size: 1.1rem;
  margin: 0.2rem 0 0.5rem 0;
}
.highlight-card p {
  color: #eaf0fa;
  font-size: 0.98rem;
  margin: 0;
}
.highlight-card:hover {
  box-shadow: 0 8px 32px #00ffea44;
  transform: translateY(-4px) scale(1.04);
}

.faq-section {
  max-width: 720px;
  margin: 2rem auto 1.5rem auto;
  background: rgba(40, 48, 80, 0.35);
  border-radius: 1.2rem;
  box-shadow: 0 2px 12px 0 rgba(31, 38, 135, 0.08);
  border: 1.5px solid rgba(255,255,255,0.06);
  padding: 1.2rem 1.5rem;
}
.faq-section h2 {
  color: #4a90e2;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.faq-item {
  background: rgba(40, 48, 80, 0.45);
  border-radius: 0.8rem;
  box-shadow: 0 1px 6px #4a90e222;
  padding: 0.7rem 1.2rem;
}
.faq-q {
  color: #00ffea;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}
.faq-a {
  color: #eaf0fa;
  font-size: 0.98rem;
}

.team-section {
  max-width: 720px;
  margin: 2rem auto 1.5rem auto;
  background: rgba(40, 48, 80, 0.35);
  border-radius: 1.2rem;
  box-shadow: 0 2px 12px 0 rgba(31, 38, 135, 0.08);
  border: 1.5px solid rgba(255,255,255,0.06);
  padding: 1.2rem 1.5rem;
  text-align: center;
}
.team-section h2 {
  color: #4a90e2;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.team-list {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.team-card {
  background: rgba(40, 48, 80, 0.45);
  border-radius: 1.2rem;
  box-shadow: 0 2px 12px 0 rgba(31, 38, 135, 0.08);
  border: 1.5px solid rgba(255,255,255,0.06);
  padding: 1.2rem 1.5rem;
  min-width: 160px;
  max-width: 200px;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: box-shadow 0.2s, transform 0.2s;
}
.team-card img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 1px 4px #4a90e2aa;
}
.team-card h4 {
  color: #00ffea;
  font-size: 1.08rem;
  margin: 0 0 0.2rem 0;
}
.team-card span {
  color: #eaf0fa;
  font-size: 0.98rem;
}
.team-card:hover {
  box-shadow: 0 8px 32px #00ffea44;
  transform: translateY(-4px) scale(1.04);
}