* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
    font-size: 14px;
}

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

.header {
    background-color: #fff;
    border-bottom: 1px solid #e8e8e8;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background-color: #1890ff;
    color: #fff;
}

.back-btn {
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
}

.header-title {
    font-size: 16px;
    font-weight: 500;
    flex: 1;
    text-align: center;
}

.more-btn {
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    visibility: hidden;
}

.tab-nav {
    display: flex;
    background-color: #fff;
    border-bottom: 1px solid #e8e8e8;
}

.tab-item {
    flex: 1;
    text-align: center;
    padding: 12px 0;
    font-size: 14px;
    color: #666;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
}

.tab-item.active {
    color: #1890ff;
    font-weight: 500;
}

.tab-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background-color: #1890ff;
}

.survey-title {
    padding: 20px 16px;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    background-color: #fff;
    border-bottom: 1px solid #e8e8e8;
}

.content {
    padding: 16px;
    background-color: #f5f5f5;
}

.question-card {
    background-color: #fff;
    border-radius: 8px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.question-header {
    padding: 16px;
    border-bottom: 1px solid #f0f0f0;
}

.question-number {
    display: inline-block;
    background-color: #1890ff;
    color: #fff;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    border-radius: 50%;
    font-size: 12px;
    margin-right: 8px;
    vertical-align: middle;
}

.question-title {
    font-size: 15px;
    font-weight: 500;
    color: #333;
    display: inline;
    vertical-align: middle;
}

.question-type {
    display: inline-block;
    background-color: #e6f7ff;
    color: #1890ff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    margin-left: 8px;
    vertical-align: middle;
}

.question-type.multi {
    background-color: #fff7e6;
    color: #fa8c16;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background-color: #fafafa;
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 500;
    color: #666;
    font-size: 13px;
    border-bottom: 1px solid #e8e8e8;
    cursor: pointer;
    user-select: none;
}

.data-table th.sortable:hover {
    background-color: #f0f0f0;
}

.data-table th .sort-icon {
    margin-left: 4px;
    font-size: 12px;
    color: #999;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
}

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

.data-table tbody tr:hover {
    background-color: #fafafa;
}

.option-name {
    color: #333;
    word-break: break-all;
}

.option-count {
    color: #1890ff;
    font-weight: 500;
}

.option-percent {
    color: #666;
}

.total-row {
    background-color: #fafafa;
    font-weight: 500;
}

.total-row td {
    border-top: 2px solid #e8e8e8;
    color: #333;
}

.chart-toolbar {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px 16px;
    background-color: #fff;
    border-top: 1px solid #f0f0f0;
    gap: 8px;
}

.chart-btn {
    padding: 6px 12px;
    border: 1px solid #d9d9d9;
    background-color: #fff;
    border-radius: 4px;
    font-size: 12px;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
}

.chart-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

.chart-btn.active {
    background-color: #1890ff;
    border-color: #1890ff;
    color: #fff;
}

.chart-btn i {
    margin-right: 4px;
}

.chart-container {
    padding: 16px;
    display: none;
}

.chart-container.active {
    display: block;
}

.chart-wrapper {
    position: relative;
    height: 300px;
    width: 100%;
}

.survey-info {
    padding: 16px;
    background-color: #fff;
    margin-bottom: 16px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.info-item {
    display: flex;
    margin-bottom: 8px;
    font-size: 13px;
}

.info-label {
    color: #999;
    width: 80px;
    flex-shrink: 0;
}

.info-value {
    color: #333;
    flex: 1;
}

.loading {
    text-align: center;
    padding: 40px 0;
    color: #999;
}

@media (max-width: 768px) {
    .data-table {
        font-size: 13px;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 12px;
    }
    
    .question-title {
        font-size: 14px;
    }
    
    .survey-title {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .chart-btn {
        padding: 5px 8px;
        font-size: 11px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 10px;
    }
}

.fade-enter {
    opacity: 0;
}

.fade-enter-active {
    opacity: 1;
    transition: opacity 0.3s;
}

.fade-leave {
    opacity: 1;
}

.fade-leave-active {
    opacity: 0;
    transition: opacity 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.question-card {
    animation: fadeIn 0.3s ease-in-out;
}