/* 折叠面板 */
.panel{
    background: transparent;
}
.panel-default>.panel-heading{
    padding: 20px 15px;
    background: transparent;
}
/* .panel-default .panel-title::before{
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    background: #3E3A39;
    border-radius: 7px;
    margin-right: 15px;
} */
.panel-default .panel-title{
    cursor: pointer;
}
.panel-title a{
    font-weight: bold;
    font-size: 22px;
    color: #3E3A39;
    text-decoration: none;
}
.panel-group .panel{
    margin-bottom: 50px;
    border-radius: 25px;
    overflow: hidden;
    background:#FFFFFF;
}
.panel-body{
    padding: 30px 15px;
}
.glyphicon.rotate {
    animation: rotate 0.5s forwards;
}

.glyphicon.rotate-back {
    animation: rotate-back 0.5s forwards;
}

.panel .title-line{
    display: flex;
    justify-content: flex-start;
    font-size: 20px;
    font-weight: bold;
    color: #09357F;
    gap: 20px;
    padding: 15px 15px 0 15px;
    margin-bottom: 0;
}

.panel-group .panel, .panel-group .panel-default>.panel-heading{
    border-radius: 25px;
    background: #FFFFFF;
}

.fr{
    float: right;
    margin-top: 6px;
}
/* 折叠箭头动画 */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(90deg);
    }
}
@keyframes rotate-back {
    from {
        transform: rotate(90deg);
    }
    to {
        transform: rotate(0deg);
    }
}

@media (max-width: 768px) {
    .panel-title a{
        font-size: 1.6rem;
    }
    .tabs-content .summary{
        font-size: 1.6rem !important;
        margin-bottom: 2rem !important;
    }
    .tabs-content .picture-box .title-line, .tabs-content .panel .title-line{
        font-size: 1.4rem;
        margin-bottom: 2.5rem;
        gap: 1rem;
        padding: 1rem 1rem 0 1rem;
    }
    .tabs-content .picture-box .left-line, .tabs-content .panel .left-line{
        width: 5px;
    }
    .tabs-content .picture-box .right-bottom-line, .tabs-content .panel .right-bottom-line{
        height: 2px;
        margin-top: 1.5rem; 
    }
}