.youquanyi-about-list {
    margin: 0;
    width: 100%;
    padding: 30px 0 50px;
    position: relative;
    overflow: hidden;
}
.youquanyi-about-list .about-box{
    margin: 0 auto;
    max-width: 1359px;
    width: 95%;
    display: flex;
    gap: 20px;
    border-radius: 12px;
    background-color: #fff;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    padding: 25px;
    transform: translateY(30px);
    opacity: 0;
    animation: yqy-fadeInUp 0.8s ease forwards;
}
.youquanyi-about-list .about-box .about-left{
    width: 240px;
    min-width: 240px;
    padding: 15px;
    border-radius: 10px;
    /* background: linear-gradient(135deg, #f8f9fa 0%, #f0f2f5 100%); */
    transition: all 0.3s ease;
    background-color: #f6f6f6;
}

.youquanyi-about-list .about-box .about-left li {
    height: 46px;
    display: flex;
    align-items: center;
    font-size: 15px;
    justify-content: center;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    color: #4a5568;
    margin: 8px 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.youquanyi-about-list .about-box .about-left li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    border-radius: 0 3px 3px 0;
    transition: height 0.25s ease;
}

.youquanyi-about-list .about-box .about-left li:hover {
    color: #0ea5e9;
    background-color: rgba(14, 165, 233, 0.08);
    transform: translateX(4px);
}

.youquanyi-about-list .about-box .about-left li:hover::before {
    height: 60%;
}

.youquanyi-about-list .about-box .about-left .hover-effect {
    color: #fff;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
    transform: translateX(4px);
}

.youquanyi-about-list .about-box .about-left .hover-effect::before {
    height: 0;
}


.youquanyi-about-list .about-box .about-right{
    flex: 1;
    min-width: 0;
    padding: 30px;
    border-radius: 10px;
    background-color: #ffffff;
    transition: all 0.3s ease;
}

.youquanyi-about-list .about-box .about-right .title{
    font-size: 28px;
    line-height: 1.5;
    padding-bottom: 25px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #1a202c;
    border-bottom: 2px solid #f0f2f5;
    position: relative;
}

.youquanyi-about-list .about-box .about-right .title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, #0ea5e9 0%, #06b6d4 100%);
    border-radius: 2px;
}

.youquanyi-about-list .about-box .about-right .box_content {
    padding: 0;
    line-height: 1.8;
    color: #2d3748;
    animation: yqy-fadeIn 0.6s ease forwards;
}

.youquanyi-about-list .about-box .about-right .box_content p {
    color: #4a5568;
    font-size: 16px;
    line-height: 2;
    text-indent: 2em;
    margin-bottom: 20px;
}

.youquanyi-about-list .about-box .about-right .box_content img{
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    margin: 25px auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.youquanyi-about-list .about-box .about-right .box_content img:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

@keyframes yqy-fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes yqy-fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 骨架屏样式 */
.skeleton-about-menu {
    padding: 0;
}

.skeleton-about-menu .skeleton-item {
    height: 46px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 8px;
    margin: 8px 0;
}

.skeleton-about-content {
    padding: 0;
}

.skeleton-about-title {
    height: 36px;
    width: 50%;
    margin: 0 auto 30px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 8px;
}

.skeleton-about-text {
    height: 20px;
    width: 100%;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

.skeleton-about-text:nth-child(3n) {
    width: 85%;
}

.skeleton-about-text:nth-child(5n) {
    width: 90%;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 响应式设计 */
@media screen and (max-width: 1200px) {
    .youquanyi-about-list .about-box {
        width: 95%;
    }
}