/* 全局重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #fff;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  padding: 25px; /* 40rpx */
  min-height: 100vh;
  background-color: #fff;
}

.header {
  text-align: center;
  margin-bottom: 37px; /* 60rpx */
}

.title {
  font-size: 30px; /* 48rpx */
  font-weight: bold;
  color: #1890ff;
  line-height: 1.4;
  display: block;
}

.subject-list {
  display: flex;
  flex-direction: column;
  gap: 18px; /* 30rpx */
}

.subject-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 25px; /* 36rpx 40rpx */
  background: #f9f9f9;
  border-radius: 10px; /* 16rpx */
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, background 0.2s;
  cursor: pointer;
}

.subject-item:hover {
  background: #eef5ff;
}

.subject-item:active {
  background: #eef5ff;
  transform: scale(0.98);
}

.subject-name {
  font-size: 27px; /* 44rpx */
  color: #333;
  font-weight: 500;
  max-width: 80%;
  word-break: break-all;
}

.arrow {
  color: #999;
  font-size: 27px; /* 44rpx */
  font-weight: bold;
}

.empty {
  text-align: center;
  color: #999;
  margin-top: 75px; /* 120rpx */
  font-size: 30px; /* 48rpx */
}

/* ========== 电脑端适配 ========== */
@media screen and (min-width: 769px) {
  .container {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 25px;
  }
  
  .subject-item {
    padding: 25px 30px;
  }
  
  .subject-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  }
}

/* ========== 微信浏览器适配 ========== */
@media screen and (max-width: 768px) {
  .container {
    padding: 20px;
  }
  
  .title {
    font-size: 28px;
  }
  
  .subject-name {
    font-size: 25px;
  }
}