.hero {
  display: flex;
  justify-content: space-between;
  gap: 120px;
}

.hero-content {
  position: relative;
  z-index: 10;
  padding: 70px 16px 0 16px;
  max-width: 800px;
}

.hero-content h1 {
  color: var(--text-1, #1D2129);
  font-family: "PingFang SC";
  font-size: 48px;
  font-style: normal;
  font-weight: 500;
  line-height: 56px;
}

.hero-content p {
  color: var(--text-2, #4E5969);
  font-family: "PingFang SC";
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  line-height: 160%;
  margin-top: 20px;
  /* 38.4px */
}

.hero-btn {
  display: inline-block;
  background-color: #2563eb;
  color: #fff;
  padding: 12px 24px;
  border-radius: 80px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-top: 40px;
}

.hero-btn:hover {
  background-color: #1d4ed8;
  transform: translateY(-2px);
}

.hero-image {
  flex: 1;
  margin-right: 40px;
}

.hero-image img {
  width: 70%;
  height: auto;
  border-radius: 8px;
}
/* 四个安全与治理问题部分 */
.section-content {
  max-width: 1400px;
  margin: 80px auto 0;
}

.section-header {
  margin: 0 auto !important; 
  text-align: center !important;
  margin-bottom: 40px !important;
}

.section-title {
  color: var(--text-1, #262626) !important;
  font-family: "PingFang SC" !important;
  font-size: 36px !important;
  font-style: normal !important;
  font-weight: 600 !important;
  line-height: normal !important;
}

.section-description {
  color: var(--text-2, #515A56) !important;
  font-family: "PingFang SC" !important;
  font-size: 20px !important;
  font-style: normal !important;
  font-weight: 300 !important;
  line-height: 170% !important;
  /* 34px */
  margin-top: 10px !important;
}

nav ul li a {
  color: #1f2937;
}

@media (max-width: 1536px) {
  .hero {
    gap: 80px;
  }
  
  .hero-content h1 {
    font-size: 42px;
    line-height: 50px;
  }
  
  .hero-content p {
    font-size: 22px;
  }
  
  .section-title {
    font-size: 32px !important;
  }
  
  .section-description {
    font-size: 18px !important;
  }
}

@media (max-width: 1400px) {
  .hero {
    gap: 60px;
  }
  
  .hero-content {
    max-width: 700px;
    padding: 60px 16px 0 16px;
  }
  
  .hero-content h1 {
    font-size: 38px;
    line-height: 46px;
  }
  
  .hero-content p {
    font-size: 20px;
  }
  
  .hero-btn {
    margin-top: 30px;
  }
  
  .hero-image {
    margin-right: 20px;
  }
  
  .hero-image img {
    width: 80%;
  }
  
  .section-content {
    margin-top: 60px;
  }
  
  .section-title {
    font-size: 28px !important;
  }
  
  .section-description {
    font-size: 16px !important;
  }
}

@media (max-width: 1280px) {
  .content{
    padding: 100px 0 40px 0 !important;
  }
  .hero {
    gap: 40px;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-content {
    max-width: 100%;
    text-align: center;
    padding: 40px 16px 0 16px;
  }
  
  .hero-content h1 {
    font-size: 36px;
    line-height: 44px;
  }
  
  .hero-content p {
    font-size: 18px;
  }
  
  .hero-image {
    margin-right: 0;
    width: 100%;
    display: flex;
    justify-content: center;
  }
  
  .hero-image img {
    width: 60%;
    max-width: 400px;
  }
  
  .section-content {
    margin-top: 50px;
  }
  
  .section-header {
    margin-bottom: 30px !important;
  }
  
  .section-title {
    font-size: 26px !important;
  }
  
  .section-description {
    font-size: 14px !important;
  }
}

@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 32px;
    line-height: 40px;
  }
  
  .hero-content p {
    font-size: 16px;
  }
  
  .hero-image img {
    width: 70%;
  }
}