/* 关于我们页面样式 */

/* Banner区域 */
.about-banner {
    position: relative;
    background: linear-gradient(135deg, #066edf, #007bff);
    color: #fff;
    padding: 100px 0 80px;
    overflow: hidden;
    border-radius: 0 0 30px 30px;
}

.banner-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.about-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.news-banner-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.news-banner-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

.about-fade-down {
    animation: fadeInDown 1s ease-out;
}

.about-fade-up {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 面包屑导航 */
.breadcrumb-wrapper {
    background-color: #f8f9fa;
    padding: 12px 0;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
    list-style: none;
    background-color: transparent;
}

.breadcrumb span {
    display: inline-flex;
    align-items: center;
    color: #6c757d;
    font-size: 0.9rem;
}

.breadcrumb span a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb span a:hover {
    color: #066edf;
}

.breadcrumb .separator {
    margin: 0 10px;
    color: #adb5bd;
}

/* 通用样式 */
.mb-6 {
    margin-bottom: 3.5rem;
}

.section-badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(0, 86, 179, 0.1);
    color: #007bff;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
}

.section-divider {
    width: 70px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #066edf);
    margin: 0 auto;
}

.center-divider {
    margin: 0 auto;
}

.animate-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-section.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-delay-100 {
    transition-delay: 0.1s;
}

.animate-delay-200 {
    transition-delay: 0.2s;
}

.animate-delay-300 {
    transition-delay: 0.3s;
}

.animate-delay-400 {
    transition-delay: 0.4s;
}

.animate-delay-500 {
    transition-delay: 0.5s;
}

/* 品牌简介 */
.about-intro {
    position: relative;
    padding: 0.5rem 0 1rem;
}

.about-text p {
    color: #555;
    line-height: 1.8;
    font-size: 1.05rem;
    margin-bottom: 1rem;
}

.company-data {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    margin-top: 1.2rem;
}

.data-item {
    text-align: center;
    flex: 1;
    min-width: 110px;
    padding: 12px 10px;
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.data-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.08);
}

.data-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: #007bff;
    margin-bottom: 6px;
}

.data-name {
    color: #6c757d;
    font-size: 0.9rem;
}

/* 服务中枢图 */
.about-graphic {
    padding: 20px;
}

.graphic-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 430px;
}

.service-hub-container {
    position: relative;
    width: 350px;
    height: 350px;
}

.service-circles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.circle-outer, .circle-inner {
    position: absolute;
    border-radius: 50%;
    border: 2px dashed #007bff;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.circle-outer {
    width: 100%;
    height: 100%;
    opacity: 0.4;
}

.circle-inner {
    width: 70%;
    height: 70%;
    opacity: 0.7;
}

.service-hub-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #007bff, #066edf);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 3;
    padding: 10px;
    transition: box-shadow 0.3s ease;
}

.service-hub-center i {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.service-hub-center span {
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
}

.service-item {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: white;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 10px;
    cursor: pointer;
    z-index: 2;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.service-item:hover {
    background: linear-gradient(135deg, #007bff, #066edf);
    color: white;
}

.service-item i {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: #007bff;
    transition: color 0.3s ease;
}

.service-item:hover i {
    color: white;
}

.service-item span {
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1.2;
}

/* 计算每个服务项的位置 */
.service-item-1 { top: 0; left: 50%; transform: translateX(-50%); }
.service-item-2 { top: 14%; right: 14%; }
.service-item-3 { top: 50%; right: 0; transform: translateY(-50%); }
.service-item-4 { bottom: 14%; right: 14%; }
.service-item-5 { bottom: 0; left: 50%; transform: translateX(-50%); }
.service-item-6 { bottom: 14%; left: 14%; }
.service-item-7 { top: 50%; left: 0; transform: translateY(-50%); }
.service-item-8 { top: 14%; left: 14%; }

/* 确保鼠标悬停时保持相同的位置 */
.service-item-1:hover { transform: translateX(-50%); }
.service-item-3:hover { transform: translateY(-50%); }
.service-item-5:hover { transform: translateX(-50%); }
.service-item-7:hover { transform: translateY(-50%); }

/* 品牌文化 */
.culture-cards {
    justify-content: center;
    margin-top: 0.5rem;
}

.culture-item {
    position: relative;
    background-color: #fff;
    border-radius: 12px;
    padding: 25px 18px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.06);
    height: 100%;
    overflow: hidden;
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.culture-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.1), rgba(0, 75, 158, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.culture-icon i {
    font-size: 1.8rem;
    color: #007bff;
}

.culture-badge {
    display: inline-block;
    padding: 3px 10px;
    background-color: rgba(0, 86, 179, 0.1);
    color: #007bff;
    border-radius: 20px;
    font-size: 0.75rem;
    margin-bottom: 10px;
}

.culture-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.culture-desc {
    color: #6c757d;
    line-height: 1.6;
    font-size: 0.95rem;
}

.culture-hover-icon {
    position: absolute;
    right: -25px;
    bottom: -25px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.05), rgba(0, 75, 158, 0.05));
    z-index: -1;
    opacity: 0.5;
}

.culture-hover-icon i {
    font-size: 3rem;
    color: rgba(0, 86, 179, 0.1);
}

/* 企业愿景 */
.vision-card {
    position: relative;
    background-color: #fff;
    border-radius: 12px;
    padding: 25px;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    z-index: 1;
    transition: all 0.3s ease;
}

.vision-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.vision-title {
    display: flex;
    align-items: center;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.vision-title i {
    color: #007bff;
    margin-right: 10px;
}

.vision-content {
    color: #555;
    line-height: 1.7;
    position: relative;
    z-index: 2;
}

.vision-card-bg {
    position: absolute;
    right: -30px;
    bottom: -30px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.05), rgba(0, 75, 158, 0.05));
    z-index: 1;
}

/* 核心服务 */
.service-category {
    margin-bottom: 30px;
}

.category-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    position: relative;
    padding-left: 15px;
    border-left: 4px solid #007bff;
}

.service-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 22px 20px;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    margin-bottom: 15px;
}

.service-icon i {
    font-size: 2rem;
    color: #007bff;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.service-desc {
    color: #6c757d;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 品牌旗下服务 */
.platform-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 22px 20px;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.platform-image {
    background-color: #f8f9fa;
    width: 100%;
    height: 120px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
}

.platform-image:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 86, 179, 0.05), transparent 70%);
    z-index: 1;
}

.no-image {
    position: relative;
    color: #007bff;
}

.no-image i {
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    animation: iconFloat 5s ease-in-out infinite;
}

/* 移动端图标标签 */
.mobile-icon-label {
    display: none;
    position: absolute;
    bottom: -24px;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 0.85rem;
    color: #007bff;
    font-weight: 600;
    z-index: 2;
}

@keyframes iconFloat {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
    100% {
        transform: translateY(0);
    }
}

.platform-card:hover .no-image i {
    transform: scale(1.1);
    color: #066edf;
    animation-play-state: paused;
}

.no-image:before {
    content: attr(data-title);
    position: absolute;
    bottom: 10px;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 0.8rem;
    color: #6c757d;
    z-index: 2;
}

.platform-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
    transition: all 0.3s ease;
}

.platform-card:hover .platform-title {
    color: #007bff;
}

.platform-desc {
    color: #6c757d;
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.custom-btn {
    border-color: #007bff;
    color: #007bff;
    transition: all 0.3s ease;
}

.custom-btn:hover {
    background-color: #007bff;
    color: white;
    border-color: #007bff;
}

/* 品牌故事模块美化 */
.about-story {
    position: relative;
    padding: 40px 25px;
    background-color: #f9fbff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.03);
}

.about-story::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at top right, rgba(0, 86, 179, 0.05), transparent 60%),
        radial-gradient(circle at bottom left, rgba(0, 75, 158, 0.05), transparent 60%);
    z-index: 0;
}

.about-story .about-text {
    position: relative;
    z-index: 1;
}

.about-story .section-title {
    position: relative;
    margin-bottom: 30px;
}

.about-story .section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #066edf);
}

.about-story p {
    font-size: 1rem;
    line-height: 1.7;
    color: #555;
    text-align: justify;
    margin-bottom: 16px;
    position: relative;
    padding-left: 18px;
    border-left: 3px solid rgba(0, 86, 179, 0.2);
}

.about-story p:first-of-type::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: -15px;
    font-family: Georgia, serif;
    font-size: 60px;
    color: rgba(0, 86, 179, 0.1);
    line-height: 1;
}

.story-quote {
    position: relative;
    font-size: 1.3rem;
    font-style: italic;
    color: #007bff;
    text-align: center;
    padding: 25px 40px;
    margin: 30px 0 16px;
    background-color: rgba(0, 86, 179, 0.03);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    border-left: none;
}

.story-quote::before,
.story-quote::after {
    content: '"';
    font-size: 5rem;
    color: rgba(0, 86, 179, 0.1);
    position: absolute;
    font-family: Georgia, serif;
    line-height: 0;
}

.story-quote::before {
    top: 30px;
    left: 20px;
}

.story-quote::after {
    bottom: 0;
    right: 20px;
}

/* 亮点数据显示 */
.story-highlights {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 25px 0;
}

.highlight-item {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 16px 12px;
    margin: 8px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.highlight-number {
    font-size: 2rem;
    font-weight: 700;
    color: #007bff;
    margin-bottom: 8px;
}

.highlight-text {
    font-size: 0.9rem;
    color: #555;
}

/* 手机端适配 */
@media (max-width: 767.98px) {
    /* 添加统一的容器内边距控制 */
    .about-content-section .container {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    /* 统一各模块边距 */
    .about-intro,
    .about-culture,
    .about-vision,
    .about-services,
    .about-platforms,
    .about-story,
    .about-timeline {
        margin-bottom: 2rem;
        padding-left: 10px;
        padding-right: 10px;
    }
    
    /* 调整各模块的内容边距 */
    .row {
        margin-left: -8px;
        margin-right: -8px;
    }
    
    /* 调整列的边距 */
    .col-md-6, .col-lg-3, .col-lg-6 {
        padding-left: 8px;
        padding-right: 8px;
    }
    
    .about-story {
        padding: 25px 15px;
    }
    
    .about-story p {
        font-size: 0.92rem;
        line-height: 1.6;
        padding-left: 12px;
        margin-bottom: 12px;
    }
    
    .story-quote {
        font-size: 1.1rem;
        padding: 15px 25px;
        margin: 20px 0 12px;
    }
    
    .story-quote::before {
        font-size: 3.5rem;
        top: 15px;
        left: 10px;
    }
    
    .story-quote::after {
        font-size: 3.5rem;
        right: 10px;
    }
    
    .highlight-item {
        min-width: 110px;
        padding: 10px 8px;
        margin: 4px;
    }
    
    .highlight-number {
        font-size: 1.6rem;
        margin-bottom: 4px;
    }
    
    .highlight-text {
        font-size: 0.8rem;
    }
    
    .company-data {
        gap: 8px;
        margin-top: 0.8rem;
    }
    
    .data-item {
        padding: 8px 6px;
        min-width: 90px;
    }
    
    .data-number {
        font-size: 1.8rem;
        margin-bottom: 3px;
}

    /* 品牌简介部分手机端优化 */
    .about-intro .col-lg-6 {
        margin-bottom: 1rem;
}

    .about-intro .col-lg-6:last-child {
    margin-bottom: 0;
}

    .about-intro .about-text {
        padding: 0 8px;
}

    /* 智能服务中枢放大 */
    .graphic-wrapper {
        height: 360px;
    }
    
    .service-hub-container {
        width: 300px;
        height: 300px;
    }
    
    .service-hub-center {
        width: 90px;
        height: 90px;
    }
    
    .service-item {
        width: 65px;
        height: 65px;
        transition: background-color 0.3s ease, color 0.3s ease;
    }
    
    .service-item:hover, .service-item:active {
        background: linear-gradient(135deg, #007bff, #066edf);
        color: white;
    }
    
    /* 保持手机端悬停时的位置 */
    .service-item-1:hover, .service-item-1:active { transform: translateX(-50%); }
    .service-item-3:hover, .service-item-3:active { transform: translateY(-50%); }
    .service-item-5:hover, .service-item-5:active { transform: translateX(-50%); }
    .service-item-7:hover, .service-item-7:active { transform: translateY(-50%); }
    
    /* 品牌文化部分 - 一行放2个 */
    .culture-cards .col-md-6,
    .culture-cards .col-lg-3 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .culture-item {
        padding: 15px 10px;
        margin-bottom: 15px;
        height: 100%;
    }
    
    .culture-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 10px;
    }
    
    .culture-icon i {
        font-size: 1.4rem;
    }
    
    .culture-title {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }
    
    .culture-desc {
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    /* 企业愿景部分 - 一行放2个 */
    .about-vision .col-md-6 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .vision-card {
        padding: 15px;
        margin-bottom: 15px;
        height: calc(100% - 15px);
    }
    
    /* 服务模块部分 - 一行放2个 */
    .service-category .col-md-6,
    .service-category .col-lg-3 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .service-card {
        padding: 15px 10px;
        margin-bottom: 15px;
        height: calc(100% - 15px);
    }
    
    /* 减小品牌文化间距 */
    .culture-cards .col-md-6 {
        margin-bottom: 16px;
    }
    
    /* 减小品牌愿景间距 */
    .about-vision .col-md-6 {
        margin-bottom: 16px;
    }
    
    /* 减小服务卡片间距 */
    .about-services .col-lg-3 {
        margin-bottom: 16px;
    }
    
    /* 减小品牌旗下服务部分 - 优化手机端显示，一行2个 */
    .about-platforms .col-lg-6 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .platform-card {
        padding: 15px 10px;
        height: 100%;
    }
    
    .platform-card .row {
        flex-direction: column;
    }
    
    .platform-card .col-md-4 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 8px;
    }
    
    .platform-card .col-md-8 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .about-platforms .platform-image {
        height: 70px;
        width: 70px;
        border-radius: 50%;
        background: linear-gradient(135deg, #f8f9fa, #ffffff);
        box-shadow: 0 5px 15px rgba(0, 86, 179, 0.15);
        margin: 0 auto 20px;
        border: 1px solid rgba(0, 86, 179, 0.08);
        overflow: visible;
    }
    
    /* 移除图标中的文字 */
    .about-platforms .platform-image.no-image:before {
        display: none;
    }
    
    .about-platforms .no-image i {
        font-size: 1.8rem;
        color: #007bff;
    }
    
    .about-platforms .mobile-icon-label {
        display: block;
        bottom: -20px;
        font-size: 0.75rem;
    }
    
    .platform-title {
        font-size: 1rem;
        margin-bottom: 6px;
        min-height: 40px;
        text-align: center;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    /* 品牌旗下服务部分 - 显示完整内容 */
    .platform-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .platform-desc {
        font-size: 0.8rem;
        line-height: 1.4;
        text-align: center;
        display: block;
        overflow: visible;
        -webkit-line-clamp: unset;
        min-height: auto;
        max-height: none;
        margin-bottom: 10px;
    }
    
    .custom-btn {
        font-size: 0.75rem;
        padding: 0.25rem 0.7rem;
        width: 90%;
        margin: 0 auto 5px;
    }
    
    /* 隐藏展开按钮 */
    .about-platforms .expand-btn-container,
    .about-platforms .expand-btn-container.main-expand-btn {
        display: none;
    }
    
    /* 特小屏幕品牌简介优化 */
    .about-intro .about-text {
        padding: 0 5px;
    }
    
    .about-intro .company-data {
        margin-top: 0.5rem;
    }
    
    /* 智能服务中枢在小屏幕上的适配 */
    .graphic-wrapper {
        height: 330px;
    }
    
    .service-hub-container {
        width: 280px;
        height: 280px;
    }
    
    .service-hub-center {
        width: 85px;
        height: 85px;
    }
    
    .service-item {
        width: 60px;
        height: 60px;
        transition: background-color 0.3s ease, color 0.3s ease;
    }

    .service-item:hover, .service-item:active {
        background: linear-gradient(135deg, #007bff, #066edf);
        color: white;
    }
    
    /* 进一步减小各模块间距 */
    .culture-cards .col-md-6,
    .about-vision .col-md-6,
    .about-services .col-lg-3,
    .about-platforms .col-lg-6 {
        margin-bottom: 6px;
    }
    
    /* 减小模块间距 */
    .mb-6 {
        margin-bottom: 2rem;
    }
    
    /* 品牌文化部分 - 小屏幕也保持一行2个 */
    .culture-cards .col-md-6,
    .culture-cards .col-lg-3 {
        padding-left: 8px;
        padding-right: 8px;
    }
    
    .culture-item {
        padding: 12px 8px;
    }
    
    .culture-icon {
        width: 45px;
        height: 45px;
        margin-bottom: 8px;
    }
    
    .culture-icon i {
        font-size: 1.3rem;
    }
    
    .culture-title {
        font-size: 1rem;
        margin-bottom: 6px;
    }
    
    /* 企业愿景部分 - 小屏幕也保持一行2个 */
    .about-vision .col-md-6 {
        padding-left: 8px;
        padding-right: 8px;
    }
    
    .vision-card {
        padding: 12px 8px;
        margin-bottom: 12px;
    }
    
    /* 服务模块部分 - 小屏幕也保持一行2个 */
    .service-category .col-md-6,
    .service-category .col-lg-3 {
        padding-left: 8px;
        padding-right: 8px;
    }
    
    .service-card {
        padding: 12px 8px;
        margin-bottom: 12px;
}

    /* 品牌旗下服务部分小屏幕优化 */
    .about-platforms .col-lg-6 {
        padding-left: 8px;
        padding-right: 8px;
    }
    
    .platform-card {
        padding: 12px 8px;
    }
    
    .about-platforms .platform-image {
        height: 60px;
        width: 60px;
        margin-bottom: 18px;
    }
    
    .about-platforms .no-image i {
        font-size: 1.5rem;
    }
    
    .about-platforms .mobile-icon-label {
        font-size: 0.7rem;
        bottom: -18px;
    }
    
    .platform-title {
        font-size: 0.9rem;
        min-height: 38px;
        margin-bottom: 4px;
    }
    
    /* 小屏幕平台描述样式 */
    .platform-desc {
        font-size: 0.75rem;
        line-height: 1.4;
        min-height: auto;
        margin-bottom: 8px;
    }
    
    .custom-btn {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
}

/* 超小屏幕特别优化 */
@media (max-width: 375px) {
    .about-content-section .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .row {
        margin-left: -6px;
        margin-right: -6px;
    }
    
    .col-md-6, .col-lg-3, .col-lg-6 {
        padding-left: 6px;
        padding-right: 6px;
    }
    
    .culture-item,
    .vision-card,
    .service-card,
    .platform-card {
        padding: 12px 10px;
    }
}

/* 平板设备布局优化 */
@media (min-width: 768px) and (max-width: 991.98px) {
    /* 品牌旗下服务部分平板端优化 */
    .platform-card {
        padding: 20px;
    }
    
    .platform-image {
        height: 100px;
    }
    
    .platform-title {
        font-size: 1.15rem;
        margin-bottom: 8px;
    }
    
    .platform-desc {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }
    
    .no-image i {
        font-size: 2.5rem;
    }
    
    /* 平板设备上隐藏图标标签，使用 data-title 显示 */
    .mobile-icon-label {
        display: none;
    }
}

.platform-card .platform-image {
    position: relative;
}

.platform-card .custom-btn + .platform-image::before,
.platform-card .platform-content:has(.custom-btn) + .platform-image::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 20px;
    background-color: #007bff;
    border-radius: 50%;
    z-index: 3;
    transform: translate(20%, -20%);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.platform-card .custom-btn + .platform-image::after,
.platform-card .platform-content:has(.custom-btn) + .platform-image::after {
    content: '\f0c1';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 0;
    right: 0;
    color: white;
    font-size: 10px;
    z-index: 4;
    transform: translate(20%, -20%);
}

@media (max-width: 767.98px) {
    /* 为有链接的图标添加小标记 - 兼容性选择器 */
    .platform-content.has-link .platform-image::before,
    .platform-content:has(.custom-btn) .platform-image::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 20px;
        height: 20px;
        background-color: #007bff;
        border-radius: 50%;
        z-index: 3;
        transform: translate(15%, -15%);
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }
    
    .platform-content.has-link .platform-image::after,
    .platform-content:has(.custom-btn) .platform-image::after {
        content: '\f0c1';
        font-family: 'Font Awesome 5 Free';
        font-weight: 900;
        position: absolute;
        top: 0;
        right: 0;
        color: white;
        font-size: 10px;
        z-index: 4;
        transform: translate(15%, -15%);
    }
}

/* 发展历程 - 全新设计 */
.about-timeline {
    position: relative;
    padding: 50px 0;
    background-color: #f9fbff;
    border-radius: 15px;
    overflow: hidden;
}

.about-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 86, 179, 0.05), transparent 60%),
                radial-gradient(circle at bottom left, rgba(0, 75, 158, 0.05), transparent 60%);
    z-index: 0;
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    z-index: 1;
}

.timeline-item {
    display: flex;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
    position: relative;
}

.timeline-item.animated {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-left {
    flex: 0 0 120px;
    text-align: right;
    padding-right: 30px;
    position: relative;
}

.timeline-left::after {
    content: '';
    position: absolute;
    top: 15px;
    right: 0;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: #007bff;
    box-shadow: 0 0 0 5px rgba(0, 86, 179, 0.15);
    z-index: 2;
}

.timeline-year {
    font-size: 1.1rem;
    font-weight: 700;
    color: #007bff;
    margin-bottom: 5px;
}

.timeline-date {
    font-size: 0.85rem;
    color: #6c757d;
}

.timeline-content {
    flex: 1;
    position: relative;
    background: #fff;
    padding: 25px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-left: 3px solid #007bff;
}

.timeline-item:hover .timeline-content {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.timeline-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.timeline-description {
    color: #6c757d;
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* 中间连接线 */
.timeline-connector {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 120px;
    width: 1px;
    background: linear-gradient(to bottom, rgba(0, 86, 179, 0.3), rgba(0, 75, 158, 0.3));
}

/* 偶数项样式 - 如果需要交替布局 */
.timeline-item:nth-child(even) .timeline-content {
    background: linear-gradient(to right, #fff, #f8faff);
}