/* 数字影音页面样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  font-family: "Microsoft YaHei", sans-serif;
}

body {
  background: url("../../images/b0a.jpg") no-repeat center center;
  background-size: cover;
  background-attachment: fixed;
  display: flex;
  flex-direction: row;
  /* min-height: 100vh; */
}
@media screen and (max-width: 768px) {
  body {
    background-image: url("../../images/mb1.jpg");
  }
}
/* 导航样式已移至 ../images/nav-styles.css */

.container {
  width: calc(100% - 200px);
  margin-left: 300px;
  max-width: 1200px;
  margin-top: 2%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.batch-buttons {
  display: flex;
  justify-content: left;
}

.batch-button {
  background-color: #54d3db;
  color: white;
  border: none;
  border-radius: 20px 20px 0 0;
  padding: 10px 30px;
  margin: 0 10px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.batch-button:hover {
  background-color: #16c6cf;
}

.batch-button.active {
  background-color: #16a6ad;
  box-shadow: 0 0px 4px rgba(0, 0, 0, 0.5);
}

.container .wrapper {
  width: 100%;
  border-radius: 0px 30px 0px 30px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: self-start;
  background: rgba(255, 255, 255, 0.6);
}

/* 使用通用导航样式中的 container-with-nav 类也可以实现相同效果 */
.brand-content{
  width: 100%;
}
.header {
  width: 100%;
  text-align: center;
}

.brand-grid {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.brand-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.brand-card {
  width: 210px;
  height: 365px;
  perspective: 1000px;
  cursor: pointer;
  margin: 10px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.card-inner.flipped {
  transform: rotateY(180deg);
}

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.card-front {
  background: white;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-back {
  background-color: white;
  transform: rotateY(180deg);
}

.card-back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-content {
  padding: 20px;
}

.card-content h3 {
  font-size: 24px;
  margin-bottom: 10px;
  line-height: 1.3;
}

.card-content p {
  font-size: 14px;
  opacity: 0.8;
}


.header img {
  max-width: 100%;
  height: auto;
}

/* 响应式设计 - 移动端适配 */
@media (max-width: 768px) {
  body {
    flex-direction: column;
  }

  .container {
    width: 100%;
    margin-left: 0;
    margin-top: 0;
    padding: 10px;
  }

  /* 新增和修改的样式 */
  .container .wrapper {
    padding: 15px 10px;
    border-radius: 15px;
    width: 95%;
    margin: 0 auto;
  }
  
  /* 品牌卡片移动端样式 */
  .brand-row {
    justify-content: space-between;
    flex-wrap: wrap;
  }
  
  .brand-card {
    width: calc(50% - 10px);
    height: 250px;
    margin: 5px;
  }
  
  .card-front img, .card-back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .card-content h3 {
    font-size: 18px;
  }
  
  .card-content p {
    font-size: 12px;
  }
}

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