@charset "utf-8";

/* ===== 企业合作页面 ===== */

.cooperation-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.cooperation-page-wrap {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

/* ===== 左侧侧边�?===== */
.cooperation-sidebar {
    width: 220px;
    min-width: 220px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.cooperation-sidebar h3 {
    font-size: 18px;
    color: #fff;
    background: #c00;
    padding: 16px 20px;
    margin: 0;
    font-weight: bold;
    text-align: center;
}

.cooperation-sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.cooperation-sidebar-list li {
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s;
}

.cooperation-sidebar-list li:last-child {
    border-bottom: none;
}

.cooperation-sidebar-list li a {
    display: block;
    padding: 14px 20px;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    transition: all 0.2s;
}

.cooperation-sidebar-list li a:hover {
    background: #f5f5f5;
    color: #c00;
    padding-left: 26px;
}

.cooperation-sidebar-list li.active a {
    background: #0066cc;
    color: #fff;
    font-weight: bold;
}

/* ===== 右侧内容 ===== */
.cooperation-content {
    flex: 1;
    min-width: 0;
}

.cooperation-breadcrumb {
    font-size: 13px;
    color: #999;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #eee;
}

.cooperation-breadcrumb a {
    color: #666;
    text-decoration: none;
    transition: color 0.2s;
}

.cooperation-breadcrumb a:hover {
    color: #c00;
}

.cooperation-breadcrumb span {
    color: #c00;
    font-weight: bold;
}

/* 企业合作内容 */
.cooperation-detail {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 40px;
}

.cooperation-title {
    font-size: 26px;
    color: #c00;
    text-align: center;
    margin-bottom: 10px;
}

.cooperation-desc {
    font-size: 14px;
    color: #999;
    text-align: center;
    margin-bottom: 35px;
}

/* 信息卡片 */
.cooperation-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 10px;
}

.cooperation-card {
    background: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: box-shadow 0.3s;
}

.cooperation-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.cooperation-card .card-icon {
    font-size: 36px;
    margin-bottom: 15px;
    display: block;
}

.cooperation-card h4 {
    font-size: 18px;
    color: #333;
    margin-bottom: 12px;
    font-weight: bold;
}

.cooperation-card .card-value {
    font-size: 24px;
    color: #c00;
    font-weight: bold;
}

.cooperation-card .card-sub {
    font-size: 14px;
    color: #888;
    margin-top: 8px;
}

/* 合作流程 */
.cooperation-step {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.cooperation-step h3 {
    font-size: 20px;
    color: #333;
    text-align: center;
    margin-bottom: 25px;
}

.step-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.step-item {
    text-align: center;
    padding: 20px 10px;
    background: #f9f9f9;
    border-radius: 8px;
}

.step-num {
    display: inline-block;
    width: 36px;
    height: 36px;
    line-height: 36px;
    background: #c00;
    color: #fff;
    border-radius: 50%;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
}

.step-item h5 {
    font-size: 15px;
    color: #333;
    margin-bottom: 6px;
}

.step-item p {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .cooperation-page-wrap {
        flex-direction: column;
    }
    .cooperation-sidebar {
        width: 100%;
        min-width: auto;
    }
    .cooperation-info-grid {
        grid-template-columns: 1fr;
    }
    .step-list {
        grid-template-columns: 1fr 1fr;
    }
    .cooperation-detail {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .step-list {
        grid-template-columns: 1fr;
    }
    .cooperation-card .card-value {
        font-size: 20px;
    }
}