*{box-sizing: border-box;}
#main .default-line{ margin-top:0;}
.tas{margin-bottom: 450px}
table{border-collapse:collapse;}
table thead tr{background: #f1f1f1;}
table thead tr th{padding: 5px;text-align: center;color: #666;}
table td{border: 1px solid #f1f1f1;border-collapse:collapse;padding: 10px;color: #666;font-weight: normal;}
.ss{height: 40px;line-height: 40px;font-size: 16px;margin-bottom: 15px;}
.ss input{
    height: 40px;line-height: 40px;
    width: 400px;
    border: 1px solid #D5D5D5;
    border-radius: 5px;background: #fff;
    text-indent: 10px;
}
.tab-container {
    margin: 20px 0;
}
.tab-nav {
    display: flex;
    border-bottom: 2px solid #f5f5f5;
    margin-bottom: 20px;
}
.tab-btn {
    padding: 12px 24px;
    background-color: #f5f5f5;
    border: none;
    border-radius: 5px 5px 0 0;
    cursor: pointer;
    font-size: 16px;
    color: #666;
    margin-right: 5px;
    transition: all 0.3s ease;
}
.tab-btn:hover {
    background-color: #e0e0e0;
}
.tab-btn.active {
    background-color: #007cba;
    color: white;
}
.tab-content {
    display: none;
}
.tab-content table{width: 100%;}
.tab-content table th:nth-child(15){width: 400px;}

.tab-content.active {
    display: block;
}
.tab-content .ss {
    margin-bottom: 15px;
}
.tab-content .ss input {
    height: 40px;
    line-height: 40px;
    width: 400px;
    border: 1px solid #D5D5D5;
    border-radius: 5px;
    background: #fff;
    text-indent: 10px;
}
@media (max-width: 768px) {
    .tab-nav {
        flex-direction: column;
    }

    .tab-btn {
        border-radius: 5px;
        margin-bottom: 5px;
        width: 100%;
    }

    .tab-content .ss input {
        width: 100%;
        max-width: 400px;
    }
}