/* 1040互助平台 - 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    background: #fff;
}

/* 头部 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}

.header h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

.slogan {
    font-size: 14px;
    opacity: 0.9;
}

/* 主内容 */
.main {
    padding: 20px;
}

/* 等级展示 */
.level-show {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.level-show h3 {
    text-align: center;
    margin-bottom: 15px;
    color: #333;
}

.level-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.level-item {
    text-align: center;
    padding: 10px 5px;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 12px;
}

.level-badge {
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 24px;
    border-radius: 50%;
    color: #fff;
    font-weight: bold;
    font-size: 12px;
    margin-bottom: 5px;
}

.lv1 { background: #95a5a6; }
.lv2 { background: #3498db; }
.lv3 { background: #2ecc71; }
.lv4 { background: #f39c12; }
.lv5 { background: #e74c3c; }
.lv6 { background: #9b59b6; }
.lv7 { background: #1abc9c; }
.lv8 { background: #e91e63; }

.level-name {
    display: block;
    color: #333;
    font-weight: 500;
}

.level-amount {
    display: block;
    color: #999;
    font-size: 10px;
}

/* 按钮 */
.btn-group {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    text-align: center;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    flex: 1;
}

.btn-secondary {
    background: #fff;
    color: #667eea;
    border: 1px solid #667eea;
    flex: 1;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* 表单 */
.form {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-text {
    display: block;
    margin-top: 5px;
    color: #999;
    font-size: 12px;
}

.required {
    color: #e74c3c;
}

/* 提示 */
.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 14px;
}

.alert-error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

.alert a {
    color: inherit;
    text-decoration: underline;
}

/* 链接 */
.links {
    text-align: center;
    margin-top: 20px;
}

.links a {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
}

/* 底部 */
.footer {
    text-align: center;
    padding: 20px;
    color: #999;
    font-size: 12px;
}

/* 表格 */
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #666;
}

.table tr:last-child td {
    border-bottom: none;
}

/* 状态标签 */
.status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-success {
    background: #d4edda;
    color: #155724;
}

.status-error {
    background: #f8d7da;
    color: #721c24;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    padding: 8px 15px;
    border-radius: 5px;
    text-decoration: none;
    color: #667eea;
    background: #fff;
    border: 1px solid #ddd;
}

.pagination .current {
    background: #667eea;
    color: #fff;
    border-color: #667eea;
}

/* 空状态 */
.empty {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-icon {
    font-size: 60px;
    margin-bottom: 15px;
}

/* 卡片 */
.card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
}