mtb_crm_asp/inquiry_conversion_stats.php

<?php
/**
 * 询盘转化率统计分析
 */
require_once 'conn.php';
require_once 'statistics_utils.php';
require_once 'statistics_customers.php';
require_once 'statistics_sales.php';
// 检查登录状态
if (!isset($_SESSION['employee_id'])) {
    checkLogin();
}

function formatCurrency($value) {
    return '¥' . number_format($value ?? 0, 2);
}

function formatPercentage($value) {
    return number_format($value * 100, 2) . '%';
}

// 获取当前登录用户信息
$current_employee_id = $_SESSION['employee_id'];
$current_permission_role = 0;

// 获取当前用户权限角色
$current_employee_id = intval($current_employee_id); // 确保是整数
$query = "SELECT em_permission_role_id FROM employee WHERE id = $current_employee_id";
$result = $conn->query($query);
if ($result && $row = $result->fetch_assoc()) {
    $current_permission_role = $row['em_permission_role_id'];
}

// 检查是否为导出请求
$is_export = isset($_GET['export']) && $_GET['export'] == 'excel';

// 获取日期范围参数
$date_params = getDateRangeParams();
$start_date = $date_params['start_date_sql'];
$end_date = $date_params['end_date_sql'];
$date_range = $date_params['date_range'];
$period = $date_params['period'];

// 设置询盘回溯月份数
$lookback_months = isset($_GET['lookback_months']) ? intval($_GET['lookback_months']) : 12;
if ($lookback_months < 1) {
    $lookback_months = 12; // 默认为12个月
}

// 如果不是导出操作，则包含页面头部
if (!$is_export) {
    include('statistics_header.php');
}

/**
 * 获取按业务员统计的询盘转化率
 */
function getEmployeeInquiryConversionRate($conn, $start_date, $end_date, $lookback_months, $employee_filter = null, $channel_filter = null) {
    // 计算回溯日期（X个月前）
    $lookback_date = date('Y-m-d', strtotime($start_date . ' -' . $lookback_months . ' months'));
    
    $sql = "SELECT 
                e.id AS employee_id,
                e.em_user AS employee_name,
                COUNT(DISTINCT CASE WHEN c.cs_deal = 3 AND c.cs_dealdate BETWEEN '$start_date' AND '$end_date' THEN c.id ELSE NULL END) AS deal_count,
                COUNT(DISTINCT CASE WHEN c.cs_addtime BETWEEN '$lookback_date' AND '$end_date' THEN c.id ELSE NULL END) AS inquiry_count,
                (SELECT ch_name FROM qudao WHERE id = c.cs_from) AS channel_name
            FROM customer c
            JOIN employee e ON c.cs_belong = e.id
            WHERE c.cs_addtime BETWEEN '$lookback_date' AND '$end_date'";
    
    // 添加渠道筛选条件
    if ($channel_filter !== null && $channel_filter != 'all') {
        $sql .= " AND c.cs_from = " . intval($channel_filter);
    }
    
    // 根据员工过滤条件添加WHERE子句
    if ($employee_filter !== null) {
        if (is_array($employee_filter)) {
            if (!empty($employee_filter)) {
                $employee_ids = implode(',', array_map('intval', $employee_filter));
                $sql .= " AND c.cs_belong IN ($employee_ids)";
            }
        } else {
            $sql .= " AND c.cs_belong = " . intval($employee_filter);
        }
    }
    
    $sql .= " GROUP BY e.id, c.cs_from
              ORDER BY e.em_user";
    
    $result = $conn->query($sql);
    $data = [];
    
    if ($result) {
        while ($row = $result->fetch_assoc()) {
            // 计算转化率
            $conversion_rate = $row['inquiry_count'] > 0 ? $row['deal_count'] / $row['inquiry_count'] : 0;
            $row['conversion_rate'] = $conversion_rate;
            $data[] = $row;
        }
    }
    
    return $data;
}

/**
 * 获取按国家和渠道统计的询盘转化率
 */
function getCountryChannelConversionRate($conn, $start_date, $end_date, $lookback_months, $employee_filter = null, $channel_filter = null) {
    // 计算回溯日期（X个月前）
    $lookback_date = date('Y-m-d', strtotime($start_date . ' -' . $lookback_months . ' months'));
    
    $sql = "SELECT 
                co.id AS country_id,
                co.countryName AS country_name,
                q.id AS channel_id,
                q.ch_name AS channel_name,
                COUNT(DISTINCT CASE WHEN c.cs_deal = 3 AND c.cs_dealdate BETWEEN '$start_date' AND '$end_date' THEN c.id ELSE NULL END) AS deal_count,
                COUNT(DISTINCT CASE WHEN c.cs_addtime BETWEEN '$lookback_date' AND '$end_date' THEN c.id ELSE NULL END) AS inquiry_count,
                DATE_FORMAT(c.cs_addtime, '%Y-%m') AS month
            FROM customer c
            JOIN country co ON c.cs_country = co.id
            JOIN qudao q ON c.cs_from = q.id
            WHERE c.cs_addtime BETWEEN '$lookback_date' AND '$end_date'";
    
    // 添加渠道筛选条件
    if ($channel_filter !== null && $channel_filter != 'all') {
        $sql .= " AND c.cs_from = " . intval($channel_filter);
    }
    
    // 根据员工过滤条件添加WHERE子句
    if ($employee_filter !== null) {
        if (is_array($employee_filter)) {
            if (!empty($employee_filter)) {
                $employee_ids = implode(',', array_map('intval', $employee_filter));
                $sql .= " AND c.cs_belong IN ($employee_ids)";
            }
        } else {
            $sql .= " AND c.cs_belong = " . intval($employee_filter);
        }
    }
    
    $sql .= " GROUP BY co.id, q.id, DATE_FORMAT(c.cs_addtime, '%Y-%m')
              ORDER BY co.countryName, q.ch_name, month";
    
    $result = $conn->query($sql);
    $data = [];
    
    if ($result) {
        while ($row = $result->fetch_assoc()) {
            // 计算转化率
            $conversion_rate = $row['inquiry_count'] > 0 ? $row['deal_count'] / $row['inquiry_count'] : 0;
            $row['conversion_rate'] = $conversion_rate;
            $data[] = $row;
        }
    }
    
    return $data;
}

/**
 * 获取按渠道统计的累计询盘转化率
 */
function getChannelTotalConversionRate($conn, $start_date, $end_date, $lookback_months, $employee_filter = null, $channel_filter = null) {
    // 计算回溯日期（X个月前）
    $lookback_date = date('Y-m-d', strtotime($start_date . ' -' . $lookback_months . ' months'));
    
    $sql = "SELECT 
                q.id AS channel_id,
                q.ch_name AS channel_name,
                COUNT(DISTINCT CASE WHEN c.cs_deal = 3 AND c.cs_dealdate BETWEEN '$start_date' AND '$end_date' THEN c.id ELSE NULL END) AS deal_count,
                COUNT(DISTINCT CASE WHEN c.cs_addtime BETWEEN '$lookback_date' AND '$end_date' THEN c.id ELSE NULL END) AS inquiry_count
            FROM customer c
            JOIN qudao q ON c.cs_from = q.id
            WHERE c.cs_addtime BETWEEN '$lookback_date' AND '$end_date'";
    
    // 添加渠道筛选条件
    if ($channel_filter !== null && $channel_filter != 'all') {
        $sql .= " AND c.cs_from = " . intval($channel_filter);
    }
    
    // 根据员工过滤条件添加WHERE子句
    if ($employee_filter !== null) {
        if (is_array($employee_filter)) {
            if (!empty($employee_filter)) {
                $employee_ids = implode(',', array_map('intval', $employee_filter));
                $sql .= " AND c.cs_belong IN ($employee_ids)";
            }
        } else {
            $sql .= " AND c.cs_belong = " . intval($employee_filter);
        }
    }
    
    $sql .= " GROUP BY q.id
              ORDER BY q.ch_name";
    
    $result = $conn->query($sql);
    $data = [];
    
    if ($result) {
        while ($row = $result->fetch_assoc()) {
            // 计算转化率
            $conversion_rate = $row['inquiry_count'] > 0 ? $row['deal_count'] / $row['inquiry_count'] : 0;
            $row['conversion_rate'] = $conversion_rate;
            $data[] = $row;
        }
    }
    
    return $data;
}

/**
 * 导出数据为CSV
 */
function exportToCSV($data, $columns, $filename) {
    // 设置头信息
    header('Content-Type: text/csv; charset=utf-8');
    header('Content-Disposition: attachment;filename="' . $filename . '.csv"');
    header('Cache-Control: max-age=0');
    
    // 创建输出流
    $output = fopen('php://output', 'w');
    
    // 添加UTF-8 BOM以确保Excel正确显示中文
    fprintf($output, chr(0xEF).chr(0xBB).chr(0xBF));
    
    // 输出列头
    fputcsv($output, $columns);
    
    // 输出数据行
    foreach ($data as $row) {
        // 确保所有数据都是数组格式
        $rowData = array_values($row);
        fputcsv($output, $rowData);
    }
    
    fclose($output);
    exit;
}

/**
 * 渲染业务员询盘转化率表格
 */
function renderEmployeeConversionRateTable($data, $is_export = false) {
    if (empty($data)) {
        if (!$is_export) {
            echo '<div class="alert alert-info">当前选择范围内没有业务员询盘转化率数据</div>';
        }
        return;
    }
    
    // 准备数据
    $table_data = [];
    
    foreach ($data as $item) {
        $table_data[] = [
            '业务员' => $item['employee_name'],
            '渠道' => $item['channel_name'] ?? '未知',
            '询盘数量' => $item['inquiry_count'],
            '成交数量' => $item['deal_count'],
            '转化率' => $is_export ? $item['conversion_rate'] : formatPercentage($item['conversion_rate'])
        ];
    }
    
    // 如果是导出请求，则导出数据
    if ($is_export) {
        exportToCSV(
            $table_data, 
            ['业务员', '渠道', '询盘数量', '成交数量', '转化率'],
            '业务员询盘转化率_' . date('Ymd')
        );
        return;
    }
    
    // 渲染表格
    echo '<div class="row mt-5 mb-5">';
    echo '<div class="col-md-12">';
    echo '<div class="card">';
    echo '<div class="card-header d-flex justify-content-between align-items-center">';
    echo '<span>业务员询盘转化率统计</span>';
    echo '<a href="' . $_SERVER['REQUEST_URI'] . '&export=excel&type=employee" class="btn btn-sm btn-success ml-3">导出CSV</a>';
    echo '</div>';
    echo '<div class="card-body">';
    echo '<div class="table-responsive">';
    echo '<table class="table table-bordered table-striped">';
    echo '<thead class="thead-light">';
    echo '<tr>';
    echo '<th style="width: 20%; text-align: left;">业务员</th>';
    echo '<th style="width: 20%; text-align: left;">渠道</th>';
    echo '<th style="width: 20%; text-align: left;">询盘数量</th>';
    echo '<th style="width: 20%; text-align: left;">成交数量</th>';
    echo '<th style="width: 20%; text-align: left;">转化率</th>';
    echo '</tr>';
    echo '</thead>';
    echo '<tbody>';
    
    foreach ($data as $item) {
        echo '<tr>';
        echo '<td>'.$item['employee_name'].'</td>';
        echo '<td>'.($item['channel_name'] ?? '未知').'</td>';
        echo '<td>'.$item['inquiry_count'].'</td>';
        echo '<td>'.$item['deal_count'].'</td>';
        echo '<td>'.formatPercentage($item['conversion_rate']).'</td>';
        echo '</tr>';
    }
    
    echo '</tbody>';
    echo '</table>';
    echo '</div>';
    echo '</div>';
    echo '</div>';
    echo '</div>';
    echo '</div>';
}

/**
 * 渲染渠道累计转化率表格
 */
function renderChannelTotalConversionRateTable($data, $is_export = false) {
    if (empty($data)) {
        if (!$is_export) {
            echo '<div class="alert alert-info">当前选择范围内没有渠道转化率数据</div>';
        }
        return;
    }
    
    // 准备数据
    $table_data = [];
    
    foreach ($data as $item) {
        $table_data[] = [
            '渠道' => $item['channel_name'],
            '询盘数量' => $item['inquiry_count'],
            '成交数量' => $item['deal_count'],
            '转化率' => $is_export ? $item['conversion_rate'] : formatPercentage($item['conversion_rate'])
        ];
    }
    
    // 如果是导出请求，则导出数据
    if ($is_export) {
        exportToCSV(
            $table_data, 
            ['渠道', '询盘数量', '成交数量', '转化率'],
            '渠道询盘转化率_' . date('Ymd')
        );
        return;
    }
    
    // 渲染表格
    echo '<div class="row mt-5">';
    echo '<div class="col-md-12">';
    echo '<div class="card">';
    echo '<div class="card-header d-flex justify-content-between align-items-center">';
    echo '<span>渠道询盘转化率汇总</span>';
    echo '<a href="' . $_SERVER['REQUEST_URI'] . '&export=excel&type=channel" class="btn btn-sm btn-success ml-3">导出CSV</a>';
    echo '</div>';
    echo '<div class="card-body">';
    echo '<div class="table-responsive">';
    echo '<table class="table table-bordered table-striped">';
    echo '<thead class="thead-light">';
    echo '<tr>';
    echo '<th style="width: 25%; text-align: left;">渠道</th>';
    echo '<th style="width: 25%; text-align: left;">询盘数量</th>';
    echo '<th style="width: 25%; text-align: left;">成交数量</th>';
    echo '<th style="width: 25%; text-align: left;">转化率</th>';
    echo '</tr>';
    echo '</thead>';
    echo '<tbody>';
    
    foreach ($data as $item) {
        echo '<tr>';
        echo '<td>'.$item['channel_name'].'</td>';
        echo '<td>'.$item['inquiry_count'].'</td>';
        echo '<td>'.$item['deal_count'].'</td>';
        echo '<td>'.formatPercentage($item['conversion_rate']).'</td>';
        echo '</tr>';
    }
    
    echo '</tbody>';
    echo '</table>';
    echo '</div>';
    echo '</div>';
    echo '</div>';
    echo '</div>';
    echo '</div>';
}

/**
 * 渲染国家/渠道月度转化率表格
 */
function renderCountryChannelConversionRateTable($data, $is_export = false) {
    if (empty($data)) {
        if (!$is_export) {
            echo '<div class="alert alert-info">当前选择范围内没有国家/渠道月度转化率数据</div>';
        }
        return;
    }
    
    // 准备数据
    $table_data = [];
    
    foreach ($data as $item) {
        $table_data[] = [
            '国家' => $item['country_name'],
            '渠道' => $item['channel_name'],
            '月份' => $item['month'],
            '询盘数量' => $item['inquiry_count'],
            '成交数量' => $item['deal_count'],
            '转化率' => $is_export ? $item['conversion_rate'] : formatPercentage($item['conversion_rate'])
        ];
    }
    
    // 如果是导出请求，则导出数据
    if ($is_export) {
        exportToCSV(
            $table_data,
            ['国家', '渠道', '月份', '询盘数量', '成交数量', '转化率'],
            '国家渠道月度转化率_' . date('Ymd')
        );
        return;
    }
    
    // 渲染表格
    echo '<div class="row mt-5">';
    echo '<div class="col-md-12">';
    echo '<div class="card">';
    echo '<div class="card-header d-flex justify-content-between align-items-center">';
    echo '<span>国家/渠道月度转化率明细</span>';
    echo '<a href="' . $_SERVER['REQUEST_URI'] . '&export=excel&type=country_channel" class="btn btn-sm btn-success ml-3">导出CSV</a>';
    echo '</div>';
    echo '<div class="card-body">';
    echo '<div class="table-responsive">';
    echo '<table class="table table-bordered table-striped">';
    echo '<thead class="thead-light">';
    echo '<tr>';
    echo '<th style="width: 15%; text-align: left;">国家</th>';
    echo '<th style="width: 15%; text-align: left;">渠道</th>';
    echo '<th style="width: 15%; text-align: left;">月份</th>';
    echo '<th style="width: 15%; text-align: left;">询盘数量</th>';
    echo '<th style="width: 15%; text-align: left;">成交数量</th>';
    echo '<th style="width: 15%; text-align: left;">转化率</th>';
    echo '</tr>';
    echo '</thead>';
    echo '<tbody>';
    
    foreach ($data as $item) {
        echo '<tr>';
        echo '<td>' . $item['country_name'] . '</td>';
        echo '<td>' . $item['channel_name'] . '</td>';
        echo '<td>' . $item['month'] . '</td>';
        echo '<td>' . $item['inquiry_count'] . '</td>';
        echo '<td>' . $item['deal_count'] . '</td>';
        echo '<td>' . formatPercentage($item['conversion_rate']) . '</td>';
        echo '</tr>';
    }
    
    echo '</tbody>';
    echo '</table>';
    echo '</div>';
    echo '</div>';
    echo '</div>';
    echo '</div>';
    echo '</div>';
}

// 获取选择的业务员
$selected_employee = isset($_GET['selected_employee']) ? $_GET['selected_employee'] : 'all';

// 获取选择的渠道
$selected_channel = isset($_GET['selected_channel']) ? $_GET['selected_channel'] : 'all';

// 确定要显示哪些业务员的数据
$employee_filter = null;

if ($selected_employee != 'all') {
    // 如果选择了特定业务员，则只显示该业务员的数据
    $employee_filter = intval($selected_employee);
} else {
    // 否则按权限显示相应的业务员数据
    if ($current_permission_role == 1) {
        // 管理员可以看到所有业务员
        $employee_filter = null;
    } elseif ($current_permission_role == 2) {
        // 组长可以看到自己和组员
        $visible_employees = [];
        $query = "SELECT id FROM employee WHERE id = " . intval($current_employee_id) . " OR em_role = " . intval($current_employee_id);
        $result = $conn->query($query);
        
        if ($result) {
            while ($row = $result->fetch_assoc()) {
                $visible_employees[] = $row['id'];
            }
        }
        
        $employee_filter = $visible_employees;
    } else {
        // 组员只能看到自己
        $employee_filter = intval($current_employee_id);
    }
}

// 获取业务员询盘转化率数据
$employee_conversion_rate = getEmployeeInquiryConversionRate($conn, $start_date, $end_date, $lookback_months, $employee_filter, $selected_channel);

// 获取渠道累计转化率数据
$channel_total_conversion_rate = getChannelTotalConversionRate($conn, $start_date, $end_date, $lookback_months, $employee_filter, $selected_channel);

// 获取国家/渠道月度转化率数据
$country_channel_conversion_rate = getCountryChannelConversionRate($conn, $start_date, $end_date, $lookback_months, $employee_filter, $selected_channel);

// 处理导出请求
if ($is_export) {
    $export_type = isset($_GET['type']) ? $_GET['type'] : '';
    
    switch ($export_type) {
        case 'employee':
            renderEmployeeConversionRateTable($employee_conversion_rate, true);
            break;
        case 'channel':
            renderChannelTotalConversionRateTable($channel_total_conversion_rate, true);
            break;
        case 'country_channel':
            renderCountryChannelConversionRateTable($country_channel_conversion_rate, true);
            break;
    }
    
    exit; // 确保导出后停止执行
}

?>

<div class="container">
    <div class="page-header">
        <h1 class="page-title">询盘转化率统计</h1>
    </div>
    
    <!-- 日期筛选 -->
    <div class="filter-form mb-5">
        <form method="get" class="filter-form-inline">
            <div class="form-group mr-3">
                <label for="date_range" class="mr-2">选择日期范围</label>
                <select class="form-control" id="date_range" name="date_range" onchange="toggleCustomDates()">
                    <option value="current_month" <?php echo $date_range == 'current_month' ? 'selected' : ''; ?>>本月</option>
                    <option value="last_month" <?php echo $date_range == 'last_month' ? 'selected' : ''; ?>>上月</option>
                    <option value="current_year" <?php echo $date_range == 'current_year' ? 'selected' : ''; ?>>今年</option>
                    <option value="last_30_days" <?php echo $date_range == 'last_30_days' ? 'selected' : ''; ?>>最近30天</option>
                    <option value="last_90_days" <?php echo $date_range == 'last_90_days' ? 'selected' : ''; ?>>最近90天</option>
                    <option value="custom" <?php echo $date_range == 'custom' ? 'selected' : ''; ?>>自定义日期范围</option>
                </select>
            </div>
            <div class="form-group custom-date-inputs mr-3" id="custom_start_date" style="display: <?php echo $date_range == 'custom' ? 'inline-block' : 'none'; ?>">
                <label for="start_date" class="mr-2">开始日期</label>
                <input type="date" class="form-control" id="start_date" name="start_date" value="<?php echo $date_params['custom_start']; ?>">
            </div>
            <div class="form-group custom-date-inputs mr-3" id="custom_end_date" style="display: <?php echo $date_range == 'custom' ? 'inline-block' : 'none'; ?>">
                <label for="end_date" class="mr-2">结束日期</label>
                <input type="date" class="form-control" id="end_date" name="end_date" value="<?php echo $date_params['custom_end']; ?>">
            </div>
            
            <!-- 回溯月份数选择 -->
            <div class="form-group mr-3">
                <label for="lookback_months" class="mr-2">回溯月数</label>
                <select class="form-control" id="lookback_months" name="lookback_months">
                    <option value="3" <?php echo $lookback_months == 3 ? 'selected' : ''; ?>>3个月</option>
                    <option value="6" <?php echo $lookback_months == 6 ? 'selected' : ''; ?>>6个月</option>
                    <option value="12" <?php echo $lookback_months == 12 ? 'selected' : ''; ?>>12个月</option>
                    <option value="24" <?php echo $lookback_months == 24 ? 'selected' : ''; ?>>24个月</option>
                </select>
            </div>
            
            <!-- 业务员选择 -->
            <div class="form-group mr-3">
                <label for="selected_employee" class="mr-2">选择业务员</label>
                <select class="form-control" id="selected_employee" name="selected_employee">
                    <option value="all">所有业务员</option>
                    <?php
                    // 获取当前用户可见的业务员列表
                    $visible_employees_query = "";
                    
                    if ($current_permission_role == 1) {
                        // 管理员可以看到所有业务员
                        $visible_employees_query = "SELECT id, em_user FROM employee WHERE em_role IS NOT NULL ORDER BY em_user";
                    } elseif ($current_permission_role == 2) {
                        // 组长可以看到自己和组员
                        $visible_employees_query = "SELECT id, em_user FROM employee WHERE id = $current_employee_id OR em_role = $current_employee_id ORDER BY em_user";
                    } else {
                        // 组员只能看到自己
                        $visible_employees_query = "SELECT id, em_user FROM employee WHERE id = $current_employee_id";
                    }
                    
                    $visible_employees_result = $conn->query($visible_employees_query);
                    $selected_employee = isset($_GET['selected_employee']) ? $_GET['selected_employee'] : 'all';
                    
                    while ($emp = $visible_employees_result->fetch_assoc()) {
                        $selected = ($selected_employee == $emp['id']) ? 'selected' : '';
                        echo "<option value='".$emp['id']."' $selected>".$emp['em_user']."</option>";
                    }
                    ?>
                </select>
            </div>
            
            <!-- 渠道选择 -->
            <div class="form-group mr-3">
                <label for="selected_channel" class="mr-2">选择渠道</label>
                <select class="form-control" id="selected_channel" name="selected_channel">
                    <option value="all">所有渠道</option>
                    <?php
                    // 获取渠道列表
                    $channels_query = "SELECT id, ch_name FROM qudao ORDER BY ch_name";
                    $channels_result = $conn->query($channels_query);
                    
                    while ($channel = $channels_result->fetch_assoc()) {
                        $selected = ($selected_channel == $channel['id']) ? 'selected' : '';
                        echo "<option value='".$channel['id']."' $selected>".$channel['ch_name']."</option>";
                    }
                    ?>
                </select>
            </div>
            
            <div class="form-group">
                <button type="submit" class="btn btn-primary">应用筛选</button>
            </div>
        </form>
    </div>
    
    <!-- 统计内容区域 -->
    <div class="stats-content">
        <?php
        // 渲染渠道累计转化率表格
        renderChannelTotalConversionRateTable($channel_total_conversion_rate);
        
        // 渲染业务员询盘转化率表格
        renderEmployeeConversionRateTable($employee_conversion_rate);
        
        // 渲染国家/渠道月度转化率表格
        renderCountryChannelConversionRateTable($country_channel_conversion_rate);
        ?>
    </div>
</div>

<style>
/* 添加一些额外的样式以改善表格显示 */
.filter-form {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 30px;
}

.filter-form-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-form .form-group {
    margin-bottom: 10px;
    margin-right: 15px;
}

/* 表格样式 */
.table {
    width: 100%;
    margin-bottom: 1rem;
}

.table th, .table td {
    padding: 12px;
    vertical-align: middle;
}

/* 确保表头也是左对齐 */
.thead-light th {
    background-color: #f8f9fa;
    border-color: #dee2e6;
    text-align: left;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.03);
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card-header {
    background-color: #f8f9fa;
    padding: 15px;
}

.card-body {
    padding: 1.5rem;
}

/* 添加按钮左边距 */
.ml-3 {
    margin-left: 15px !important;
}

/* 确保卡片头部布局正确 */
.card-header.d-flex {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
}
</style>

<script>
function toggleCustomDates() {
    const dateRange = document.getElementById('date_range').value;
    const customDateInputs = document.querySelectorAll('.custom-date-inputs');
    
    if (dateRange === 'custom') {
        customDateInputs.forEach(el => el.style.display = 'inline-block');
    } else {
        customDateInputs.forEach(el => el.style.display = 'none');
    }
}
</script>

<?php
// 页面底部
include('statistics_footer.php');
?>