:root {
  --primary: #FBC902;
  --secondary: #4361EE;
  --accent: #06D6A0;
  --dark: #1A1A2E;
  --light: #F8F9FA;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
  color: #333;
  line-height: 1.6;
  background-color: var(--light);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 页面内容样式 */
.page-content {
  padding: 70px 0 50px;
  min-height: 100vh;
  background-color: #fff;
}

.hero-banner {
  width: 100%;
  padding-top: calc(729 / 1920 * 100%);
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
}

/* Banner底部区域 */
.banner-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 1;
}

.banner-footer-text {
  margin-top: 20px;
  font-size: 20px;
}

.scene-text {
  display: flex;
  justify-content: center;
  font-weight: bold;
  font-size: 30px;
  margin-top: 50px;
}

.content-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.scene {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 20px;
}

.scene>div {
  position: relative;
  width: 18%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scene img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.scene img:hover {
    /* 悬停时轻微放大 */
    transform: scale(1.08);
}

.scene p {
  text-align: center;
  font-weight: bold;
  font-size: 18px;
  margin-top: 10px;
}

.advantage {
  padding: 20px 0;
  display: flex;
  /* 变成横向排列 */
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  margin-left: -40px; /* 抵消部分左侧空间 */
}

.advantage-card {
  padding: 20px 70px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}

.advantage-up {
  font-weight: bold;
  font-size: 28px;
}

.advantage-down {
  font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 800px) {
  .nav {
    gap: 0;
    justify-content: space-between;
    align-items: center;
  }

  /* 优化 logo 在小屏下的表现 */
  .logo img {
    display: flex;
    align-items: center;
    width: 100%;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: white;
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
    font-size: 24px;
    cursor: pointer;
    z-index: 1001;
    position: relative;
  }
}