/* ========== 全局通用样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background: #f5f5f5;
    font-size: 14px;
    color: #333;
}

/* ========== 会员中心布局 ========== */
.container {
    max-width: 1200px;
    margin: 20px auto;
    display: flex;
    gap: 20px;
}
.sidebar {
    width: 220px;
    background: #fff;
    border-radius: 8px;
    padding: 20px;
}
.sidebar h3 {
    margin-bottom: 15px;
    font-size: 16px;
}
.sidebar a {
    display: block;
    padding: 10px 15px;
    margin-bottom: 5px;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
}
.sidebar a.active {
    background: #367fa9;
    color: #fff;
}
.main {
    flex: 1;
    background: #fff;
    border-radius: 8px;
    padding: 20px;
}
.card {
    padding: 20px;
    border-radius: 8px;
    background: #f8f8f8;
    margin-bottom: 20px;
    margin-top: 20px;
}

/* ========== 登录页专用样式 ========== */
.login-box {
    max-width: 400px;
    margin: 50px auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
}
.login-box h2 {
    text-align: center;
    margin-bottom: 20px;
}
.item {
    margin-bottom: 15px;
}
.item input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
button {
    width: 100%;
    padding: 10px;
    background: #367fa9;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* ========== 表格样式（充值记录/投诉） ========== */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
.table th, .table td {
    padding: 10px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

/* ========== 会员等级图标 ========== */
.level-icon {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    color: #fff;
    margin-left: 6px;
}
.level-normal { background:#999; }
.level-senior { background:#367fa9; }
.level-vip { background:#ff7d00; }
.level-svip { background:#ff3333; }