body {
  margin: 0;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  background: #f6f7f9;
  color: #222;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px;
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.tab {
  padding: 6px 12px;
  background: #eaeaea;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

.tab.active {
  background: #333;
  color: #fff;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  padding: 10px;
  border-radius: 10px;
}

.left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon {
  width: 40px;
  height: 40px;
}

.name {
  font-weight: bold;
}

.size {
  font-size: 12px;
  color: #888;
}

.btn {
  padding: 6px 10px;
  background: #1677ff;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-size: 13px;
}

.footer {
  margin-top: 40px;
  padding: 20px;
  background: #fff;
  border-radius: 10px;
}