/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; */
}

/*自定义字体 */
  @font-face {
            font-display: swap;
            /* 给自定义字体取个名字，引用字体 */
            font-family: MyCustomFont;
            /* 字体文件的路径 */
            src: url('https://oss.imaae.com/filedb/storage/fonts/Bensz.woff2') format('woff2'),
                 url('fonts/fonttype-1.woff2') format('woff2');/* 备选 */
            /* 可选的字体样式，如 normal 或 italic */
            font-style: normal;
            /* 可选的字体粗细，如 normal 或 bold */
            font-weight: normal;
    }

/*
 body {
  font-family:MyCustomFont,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Roboto,Arial,sans-serif;
}
*/
/* 背景图样式 */
.bg-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://oss.imaae.com/filedb/storage/pictures/u_bg_08.jpg') center/cover no-repeat;
  z-index: -1;
  filter: blur(8px); /* 背景模糊增强磨砂效果对比 */
}

/* 页面容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* 头部导航 - 磨砂效果 */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 33px;
  margin-bottom: 60px;
  background: rgba(255, 255, 255, 0.15); /* 半透明 */
  backdrop-filter: blur(10px); /* 磨砂核心效果 */
  border-radius: 20px; /* 圆弧边角 */
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2); /* 阴影增强层次 */
  border: 1px solid rgba(255, 255, 255, 0.2); /* 细边框增强质感 */
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  width: 42px;  /* 设置宽度 */
  height: 42px; /* 设置高度 */
}

img {
  max-width: 100%;   /* 最大宽度为父元素的100% */
  max-height: 100%;  /* 最大高度为父元素的100% */
}

.shadow-image {
  width: 320px;
  height: 98px;
  overflow: hidden; /* 隐藏超出部分 */
  border-radius: 16px; /* 图片圆弧效果 */
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);/* 图片阴影效果 */
}

.nav {
  font-family:MyCustomFont, system-ui,Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  gap: 25px;
}

.nav-link {
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  padding: 5px 0;
  position: relative;
  transition: color 0.3s;
}

.nav-link:hover {
  color: #e0e0e0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #fff;
  transition: width 0.3s;
}

.nav-link:hover::after {
  width: 100%;
}

/* 标题卡片 */
.title-card {
  font-family:MyCustomFont, system-ui,Tahoma, Geneva, Verdana, sans-serif;
  text-align: center;
  padding: 25px 30px;
  margin-bottom: 55px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border-radius: 30px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.title-card h1 {
  font-size: 42px;
  color: #fff;
  margin-bottom: 10px;
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
}

.title-card p {
  font-size: 16px;/* logo下方标题和内容 */
  color: rgba(25, 36, 56, 0.8);
  margin-bottom: 30px;
}

.btn {
  width: 110px;  /* 设置宽度 */
  height: 45px; /* 设置高度 */
  padding: 8px 38px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50px; /* 圆形按钮 */
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* 内容卡片组 */
.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.card {
  padding: 15px 15px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.card-icon {
  width: 55px;
  height: 55px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
}

.card-icon i {
  font-size: 28px;
  color: #fff;
}

.card h3 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 15px;
}

.card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.6;
}

/* 底部 */
.footer {
  text-align: center;
  padding: 20px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.footer p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 20px;
    padding: 20px;
  }
  
  .title-card h1 {
    font-size: 32px;
  }
  
  .card-container {
    grid-template-columns: 1fr;
  }
}