.spoiler {
    margin: 5px 0;
    padding: 0 15px;
    border: 1px solid #E5E5E5;
    position: relative;
    clear: both;
    
    border-radius: 8px;
    background: #efe0ead0 ;
}

.spoiler .spoiler-title {
    background: #e5e5e568;
    margin: 0 -15px;
    padding: 5px 15px;
    color: #253252;
    font-weight: bold;
    font-size: 13px;
    display: block;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); /*阴影效果*/
}

.spoiler .spoiler-title:before {
    font-weight: bold;
}

.spoiler.collapsed .spoiler-title:before {
    content: " ▶ ";
}

.spoiler.expanded .spoiler-title:before {
    content: " ▼ ";
}

.spoiler .spoiler-content {
    padding-top: 0;
    padding-bottom: 0;
    margin-top: 0;
    margin-bottom: 0;
    -moz-transition-duration: 0.3s;
    -webkit-transition-duration: 0.3s;
    -o-transition-duration: 0.3s;
    transition-duration: 0.3s;
    -moz-transition-timing-function: ease-in-out;
    -webkit-transition-timing-function: ease-in-out;
    -o-transition-timing-function: ease-in-out;
    transition-timing-function: ease-in-out; 
}

.spoiler.collapsed .spoiler-content {
    overflow: hidden;
    max-height: 0;
}

.spoiler.expanded .spoiler-content {
    max-height: 3000px;
    overflow: hidden;

}

.spoiler .spoiler-content p:first-child {
    margin-top: 0 !important;
}