body {
  margin: 0;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
  background: linear-gradient(135deg, #0d0d0d, #1a1a1a);
  color: #ffd700;
  overflow-x: hidden;
  animation: fadeIn 2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
header {
  text-align: center;
  padding: 40px 20px 30px;
  background: radial-gradient(circle at center, #1a1a1a00 0%, #0d0d0d 100%);
}
header h1 {
  font-size: 42px;
  margin-bottom: 15px;
  font-weight: 700;
}
header p {
  font-size: 18px;
  opacity: 0.9;
  font-weight: 400;
}
.features, .testimonial-list, .hot-jobs ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  padding: 20px;
  gap: 15px;
  list-style: none;
  max-width: 1200px;
  margin: 0 auto;
}
.card {
  background: #111;
  border: 1px solid #ffd700;
  border-radius: 12px;
  padding: 20px;
  width: 240px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  font-size: 16px;
  font-weight: 400;
}
.testimonials, .hot-jobs, .faq, .about, .apply-form {
  text-align: center;
  padding: 10px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.testimonials h2, .hot-jobs h2, .faq h2, .about h2, .apply-form h2 {
  font-size: 28px;
  margin-bottom: 25px;
  font-weight: 700;
}
.testimonial {
  background: #111;
  border: 1px solid #ffd700;
  border-radius: 12px;
  padding: 20px;
  width: 300px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.testimonial p {
  font-size: 16px;
  margin-bottom: 10px;
  font-weight: 400;
}
.testimonial span {
  font-size: 14px;
  opacity: 0.8;
  font-weight: 400;
}
.hot-jobs ul {
  padding: 0;
}
.hot-jobs li {
  background: #111;
  border: 1px solid #ffd700;
  border-radius: 12px;
  padding: 15px 20px;
  width: 100%;
  max-width: 500px;
  margin: 0 auto 10px;
  text-align: left;
  font-size: 16px;
  font-weight: 400;
}
.faq-item {
  background: #111;
  border: 1px solid #ffd700;
  border-radius: 12px;
  margin: 15px auto;
  max-width: 600px;
  padding: 20px;
  text-align: left;
}
.faq-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 700;
}
.faq-item p {
  font-size: 16px;
  opacity: 0.9;
  font-weight: 400;
}
.cta {
  text-align: center;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(17, 17, 17, 0.904);
  padding: 20px 0;
}
.cta button {
  background: #ffd700;
  border: 2px solid #ffd700;
  color: #000;
  font-size: 20px;
  font-weight: 700;
  padding: 6px 90px;
  border-radius: 30px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
  min-width: 300px;
}
.cta button::after {
  display: none;
}
.cta button span {
  position: relative;
  z-index: 1;
}
footer {
  text-align: center;
  padding: 0px;
  background: #11111100;
  font-size: 14px;
  margin-bottom: 100px;
}
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  background-color: transparent;
}

#particles-js canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* CTA Links */
.desktop-link {
  display: block;
}

.mobile-link {
  display: none;
}

@media (max-width: 768px) {
  header h1 { font-size: 36px; }
  .card, .testimonial, .hot-jobs li { width: 90%; }
  .features { flex-direction: column; align-items: center; }
  .cta {
    padding: 20px 5px;
  }
  .cta-btn {
    font-size: 16px;
    padding: 10px 20px;
    width: 90%;
    border-radius: 10px;
  }
  .cta-text {
    font-size: 70%;
  }
  .desktop-link {
    display: none;
  }
  
  .mobile-link {
    display: block;
  }
}