/* 关于联思 */
.about-us-left {
    /*	width: 800px;
	overflow: hidden;
	float: left;*/
}

.about-us-left-jieshao {
    margin-bottom: 30px;
}

    .about-us-left-jieshao .titile {
        /* 	background: url(../images/you.png) no-repeat 0 center;
	padding-left: 30px; */
        font-size: 20px;
        font-weight: bold;
    }

.about-us-detail {
    margin: 20px 0;
}

    .about-us-detail p {
        margin: 0 0;
        margin-bottom: 0 !important;
        line-height: 30px;
        color: #313131;
        font-size: 20px;
    }

.about-us-right {
    width: calc(100% - 900px);
    float: right;
}

.about-xcd img {
    width: 60%;
}

.about-us-right-a0 {
    line-height: 25px;
}

.product-banner {
    display: none;
}

/* 关于联思 */

.about-us {
    position: relative;
}

/* 关于页面标签页 */
.about-tabs-section {
    background: #f6f6f6;
}

.about-tabs-nav {
    text-align: center;
}

.about-tabs-list {
    display: inline-flex;
    list-style: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    width: 100%;
    max-width: 400px;
}

.about-tab-item {
    margin: 0;
    display: block;
    padding: 20px 0;
    flex: 1;
    color: #666;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

    .about-tab-item:after {
        content: '';
        position: absolute;
        bottom: 4px;
        left: 50%;
        right: 0;
        width: 2em;
        height: 4px;
        background: #007AFF;
        transform: translate(-50%) scaleX(0);
        transition: 0.3s ease;
    }

    .about-tab-item.is-active:after {
        transform: translate(-50%) scale(1);
    }

    .about-tab-item:hover {
    }

    .about-tab-item.is-active {
        color: black;
    }



/* 标签页内容 */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

    .tab-content.active {
        display: block;
    }

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 发展历程时间轴 */
.development-timeline {
    position: relative;
    padding: 0;
    max-width: 1000px;
    margin: 0 auto;
}

#development-history .timeline-wrapper {
    text-align: center;
}

#development-history .ls-logo {
    width: 50px;
    margin-left: 2px;
}

.development-timeline:before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #8dd0ff;
    transform: translateX(-50%);
    animation: timelineGrow 2s ease-out;
}

@keyframes timelineGrow {
    from {
        height: 0;
    }

    to {
        height: 100%;
    }
}

.timeline-bg {
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
}

.timeline-item .timeline-content > p {
    font-size: 14px;
    margin: 0;
    font-weight: 500;
    color: #a5a5a5;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 20px 10px;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 0.8s ease-out forwards;
}

    .timeline-item:before {
        content: '';
        position: absolute;
        top: 25px;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        background: #0068b7;
        border: 6px solid #8dd0ff;
        z-index: 1;
        transform: scale(0);
        animation: dotPop 0.6s ease-out forwards, pulse 2s infinite 1s;
        animation-delay: var(--dot-delay, 0.3s);
        transition: all 0.3s ease;
    }

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

@keyframes dotPop {
    0% {
        transform: scale(0);
    }

    70% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 104, 183, 0.4);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(0, 104, 183, 0);
    }
}

/* 左侧时间轴项目 */
.timeline-item.timeline-left {
    left: 0;
    text-align: right;
    padding-right: 40px;
}

    .timeline-item.timeline-left:before {
        right: -15px;
    }

/* 右侧时间轴项目 */
.timeline-item.timeline-right {
    left: 50%;
    text-align: left;
    padding-left: 40px;
}

    .timeline-item.timeline-right:before {
        left: -15px;
    }

.timeline-year {
    font-size: 40px;
    font-weight: bold;
    color: black;
    margin-bottom: 8px;
    letter-spacing: .2em;
    transition: all 0.3s ease;
}

.timeline-content {
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-year {
    color: #0068b7;
    transform: scale(1.05);
}

.timeline-item:hover .timeline-content {
    transform: translateY(-2px);
}

.timeline-item:hover:before {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 104, 183, 0.4);
}

.timeline-content h4 {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
    margin: 5px 0;
}

/* 移动设备响应式设计 */
@media (max-width: 768px) {
    #development-history .timeline-wrapper {
        text-align: left;
    }

    #development-history .ls-logo {
        width: 40px;
        margin-left: 12px;
    }

    .development-timeline {
        padding-left: 20px;
        padding-right: 20px;
    }

        .development-timeline:before {
            left: 30px;
            transform: none;
            animation: timelineGrowMobile 2s ease-out;
        }

    .timeline-item,
    .timeline-item.timeline-left,
    .timeline-item.timeline-right {
        width: 100%;
        left: 0 !important;
        text-align: left;
        padding-left: 50px;
        padding-right: 10px;
        margin-bottom: 10px;
        /* 保持动画效果 */
        opacity: 0;
        transform: translateX(-30px);
        animation: fadeInLeft 0.8s ease-out forwards;
    }

        .timeline-item:before,
        .timeline-item.timeline-left:before,
        .timeline-item.timeline-right:before {
            left: -4px !important;
            right: auto !important;
            top: 20px;
            width: 20px;
            height: 20px;
            border: 4px solid #8dd0ff;
        }

        .timeline-item:hover {
            transform: translateX(5px);
        }

    .timeline-year {
        font-size: 20px;
        margin-bottom: 6px;
    }

    .timeline-content p {
        font-size: 14px;
        line-height: 1.5;
    }

    @keyframes timelineGrowMobile {
        from {
            height: 0;
        }

        to {
            height: 100%;
        }
    }

    @keyframes fadeInLeft {
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    .development-timeline:before {
        left: 30px;
        transform: none;
        animation: timelineGrowMobile 2s ease-out;
    }

    .timeline-item,
    .timeline-item.timeline-left,
    .timeline-item.timeline-right {
        width: 100%;
        left: 0 !important;
        text-align: left;
        padding-top: 20px;
        padding-left: 50px;
        padding-right: 10px;
        margin-bottom: 10px;
        /* 保持动画效果 */
        opacity: 0;
        transform: translateX(-30px);
        animation: fadeInLeft 0.8s ease-out forwards;
    }

        .timeline-item:before,
        .timeline-item.timeline-left:before,
        .timeline-item.timeline-right:before {
            left: 1px !important;
            right: auto !important;
            top: 20px;
            width: 20px;
            height: 20px;
            border: 4px solid #8dd0ff;
        }

        .timeline-item:hover {
            transform: translateX(5px);
        }

    .timeline-year {
        font-size: 20px;
        margin-bottom: 6px;
    }

    .timeline-content p {
        font-size: 14px;
        line-height: 1.5;
    }
}



/* 联系我们 */
.contact-us-content-wrapper {
    display: flex;
    width: 100%;
    gap: 40px;
    justify-content: space-between;
}

    .contact-us-content-wrapper .left {
        margin-top: 60px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

        .contact-us-content-wrapper .left .iconfont {
            color: #007AFF;
            margin-right: 8px;
        }

    .contact-us-content-wrapper > iframe {
        flex: 1;
        min-height: 600px;
    }

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-us-qrcode-grp {
    display: flex;
    gap: 20px;
}

/* 移动设备响应式设计 */
@media (max-width: 768px) {
    .contact-us-content-wrapper {
        flex-direction: column;
    }
}