/* 引入自定义字体 */
@font-face {
    font-family: 'Bahnschrift';
    src: url('../fonts/bahnschrift.551f5d12.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+4E00-9FFF, U+3400-4DBF, U+3000-303F; /* 拉丁字符、中文字符、标点符号 */
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-family: 'Bahnschrift', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
}

body {
    font-family: 'Bahnschrift', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
    color: #333;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.container {
    width: 100%;
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #fff;
    color: #0056b3;
    border-radius: 4px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 28px;
    margin-bottom: 0px;
    font-weight: 600;
    color: #000;
    position: relative;
}

.section-title h2::after {
    content: "";
    display: block;
    width: 240px;
    height: 1px;
    background-color: #000000;
    position: absolute;
    bottom: 0px;
    left: 50%;
    transform: translateX(-50%);
}

.section-title h2::before {
    content: "";
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #000000;
    position: absolute;
    bottom: -2.5px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.section-title h3 {
    font-size: 28px;
    font-weight: 400;
    color: #444;
    text-transform: uppercase;
    margin-top: 0px;
}

/* 导航栏 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo img {
    height: 50px;
    transition: all 0.3s ease;
}

nav ul {
    display: flex;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #333;
    font-size: 18px;
    transition: all 0.3s ease;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 16px;
    display: inline-block;
}

nav ul li.active a,
nav ul li a:hover {
    color: #fff;
    background-color: #3a7cd5;
    box-shadow: 0 2px 6px rgba(0, 86, 179, 0.25);
    padding-left: 18px;
    padding-right: 18px;
    border-radius: 10px;
}

.contact-info {
    display: flex;
    align-items: center;
}

.contact-info img {
    width: 20px;
    margin-right: 8px;
}

.contact-info span {
    font-size: 16px;
    color: #0056b3;
    font-weight: 500;
}

/* 主横幅 */
.hero-banner {
    position: relative;
    width: 100%;
    background-color: #f8f8f8;
    padding: 40px 0;
}

/* 视频容器样式 */
.video-container {
    position: relative;
    width: 100%;
    max-width: 1800px;
    height: 0;
    padding-bottom: 40.91%; /* 22:9比例 */
    margin: 0 auto;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
}

#banner-video {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    object-fit: cover;
    z-index: 0;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.25);
    z-index: 1;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    z-index: 2;
    max-width: 650px;
    padding: 0 20px;
}

.banner-content h1, 
.banner-content h2 {
    color: #fff;
    font-size: 36px;
    font-weight: 400;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-content h2 {
    margin-bottom: 30px;
}

.banner-content .btn {
    padding: 15px 35px;
    font-size: 20px;
    letter-spacing: 1px;
}

/* 服务领域 */
.service-area {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

/* service-grid中的h3标题样式 */
.service-grid h3 {
    grid-column: 1 / -1; /* 占据整行 */
    text-align: center;
    font-size: 24px;
    font-weight: 500;
    color: #333;
    margin: 0 0 40px 0;
    padding: 20px 0;
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 86, 179, 0.1);
    transition: all 0.3s ease;
}

.service-grid h3::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #0056b3, #3a7cd5);
    border-radius: 2px;
}

.service-grid h3:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 86, 179, 0.1);
    border-color: rgba(0, 86, 179, 0.2);
}

.service-item {
    background-color: #fff;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

.service-item:hover {
    transform: translateY(-5px);
}

.service-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: center;
}

.service-item h4 {
    padding: 18px 15px;
    font-size: 18px;
    font-weight: 500;
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.more-btn {
    display: block;
    padding: 10px 0;
    background-color: #f2f2f2;
    color: #666;
    font-size: 14px;
    transition: all 0.3s ease;
}

.more-btn:hover {
    background-color: #0056b3;
    color: #fff;
}

/* 全球药品管理 */
.global-service {
    padding: 80px 0;
    position: relative;
}

.world-map {
    position: relative;
    margin-top: 40px;
    width: 100%;
    max-width: 100%;
}

.map-img {
    width: 100%;
    display: block;
    max-height: none;
    height: auto;
    object-fit: cover;
}

.location-markers .marker {
    position: absolute;
    text-align: center;
    font-size: 14px;
    color: #0056b3;
    font-weight: 500;
}

.marker span {
    display: block;
}

.marker .sub-text {
    font-size: 10px;
    color: #888;
    font-weight: 400;
}

.marker.us {
    top: 30%;
    left: 20%;
}

.marker.uk {
    top: 25%;
    left: 45%;
}

.marker.jp {
    top: 35%;
    right: 20%;
}

.marker.cn {
    top: 40%;
    right: 30%;
}

.marker.sg {
    top: 55%;
    right: 25%;
}

.marker.br {
    top: 65%;
    left: 30%;
}

.marker.za {
    bottom: 25%;
    left: 50%;
}

.marker.au {
    bottom: 20%;
    right: 15%;
}

/* Bioquick优势 */
.advantage {
    padding: 50px 0;
    background-color: #ffffff;
    background-size: 90%;
    background-position: center;
    background-repeat: no-repeat;
    color: #000;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-item {
    text-align: left;
    padding: 20px 25px;
    background-color: #fff;
    border-radius: 5px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
}

.advantage-item:hover {
    background-color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.advantage-item .icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background-color: #f5f5f5;
    border-radius: 50%;
    padding: 10px;
}

.advantage-item .icon img {
    width: 100%;
    max-height: 40px;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.5);
    transition: filter 0.3s ease;
}

.advantage-item:hover .icon img {
    filter: grayscale(0) brightness(1);
}

.advantage-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: #000;
    margin: 0;
}

/* 合作伙伴 */
.partners {
    padding: 80px 0;
}

.partner-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.partner-row {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 20px;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border: 1px solid #eee;
    border-radius: 5px;
    transition: box-shadow 0.3s ease;
    height: 80px;
}

.partner-logo:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.partner-logo img {
    max-height: 50px;
    max-width: 80%;
    filter: none !important;
    opacity: 1 !important;
    object-fit: contain;
}

/* 页脚 */
footer {
    background-color: #2a2a2a;
    color: #fff;
    padding: 40px 0 15px;
    border-top: 3px solid #0056b3;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.footer-logo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
}

.footer-logo-left, .footer-logo-right {
    display: grid;
    grid-template-rows: auto auto auto auto; /* logo + 3行内容（包括空行） */
    gap: 8px;
    min-width: 250px;
}

.footer-logo-left {
    justify-content: flex-start;
}

.footer-logo-right {
    justify-content: flex-start;
}

/* 删除之前的对齐规则 */
.footer-logo-left p:nth-child(2),
.footer-logo-right p:nth-child(2) {
    margin-top: 0;
}

.footer-logo-left p:nth-child(3),
.footer-logo-right p:nth-child(3) {
    margin-top: 0;
}

/* 为了更精确的对齐，设置固定的行高和间距 */
.footer-logo-left p,
.footer-logo-right p {
    margin-bottom: 0; /* 改为0，因为grid gap已经处理间距 */
    min-height: 24px; /* 确保每行有一致的最小高度 */
    display: flex;
    align-items: center;
}

/* 确保logo后有相同的间距 */
.footer-logo-left img,
.footer-logo-right img {
    height: 50px;
    margin-bottom: 0; /* 改为0，因为grid gap已经处理间距 */
    filter: brightness(1.1);
}

.footer-logo p {
    margin-bottom: 8px;
    font-size: 13px;
    color: #bbb;
    text-align: left;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    min-height: 24px; /* 确保每行有一致的最小高度 */
}

.footer-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.7;
}

.phone-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23ffffff' viewBox='0 0 24 24'%3E%3Cpath d='M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z'/%3E%3C/svg%3E");
}

.email-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23ffffff' viewBox='0 0 24 24'%3E%3Cpath d='M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z'/%3E%3C/svg%3E");
}

.purchase-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23ffffff' viewBox='0 0 24 24'%3E%3Cpath d='M7 18c-1.1 0-1.99.9-1.99 2S5.9 22 7 22s2-.9 2-2-.9-2-2-2zM1 2v2h2l3.6 7.59-1.35 2.45c-.16.28-.25.61-.25.96 0 1.1.9 2 2 2h12v-2H7.42c-.14 0-.25-.11-.25-.25l.03-.12.9-1.63h7.45c.75 0 1.41-.41 1.75-1.03l3.58-6.49c.08-.14.12-.31.12-.48 0-.55-.45-1-1-1H5.21l-.94-2H1zm16 16c-1.1 0-1.99.9-1.99 2s.89 2 1.99 2 2-.9 2-2-.9-2-2-2z'/%3E%3C/svg%3E");
}

.order-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23ffffff' viewBox='0 0 24 24'%3E%3Cpath d='M19 3h-4.18C14.4 1.84 13.3 1 12 1c-1.3 0-2.4.84-2.82 2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-7 0c.55 0 1 .45 1 1s-.45 1-1 1-1-.45-1-1 .45-1 1-1zm-2 14l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z'/%3E%3C/svg%3E");
}

.compliance-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23ffffff' viewBox='0 0 24 24'%3E%3Cpath d='M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm0 10.99h7c-.53 4.12-3.28 7.79-7 8.94V12H5V6.3l7-3.11v8.8z'/%3E%3C/svg%3E");
}

.footer-logo p:hover {
    color: #fff;
}

.footer-logo p:hover .footer-icon {
    opacity: 1;
}

.qr-code {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.qr-code:hover {
    transform: translateY(-5px);
}

.qr-code img {
    width: 110px;
    height: 110px;
    margin-bottom: 8px;
    object-fit: cover;
    border-radius: 5px;
    border: 3px solid rgba(255, 255, 255, 0.1);
}

.qr-code p {
    font-size: 12px;
    color: #bbb;
    margin-bottom: 2px;
}

.footer-bottom {
    text-align: center;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
    font-size: 12px;
    color: #888;
    margin-bottom: 5px;
}

.footer-bottom a {
    color: #888;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #0056b3;
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 1600px) {
    .service-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .partner-row {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .advantage-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1400px) {
    .service-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .partner-row {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .advantage-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .section-title h3 {
        font-size: 24px;
    }
    
    .banner-content h1,
    .banner-content h2 {
        font-size: 32px;
    }
}

@media (max-width: 992px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partner-row {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .video-container {
        width: 100%;
        padding-bottom: 56.25%; /* 16:9的100% */
    }
    
    .intro-content {
        flex-direction: column;
        align-items: center;
    }
    
    .intro-text {
        text-align: center;
        align-items: center;
        margin-bottom: 20px;
        max-width: 90%;
    }
    
    .intro-text p {
        font-size: 17px; /* 在中等屏幕上稍微减小字体 */
        font-weight: 600; /* 保持加粗效果 */
    }
    
    .intro-images {
        width: 100%;
    }
    
    .image-grid {
        width: 80%;
    }
}

@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* service-grid h3在小屏幕上的样式 */
    .service-grid h3 {
        font-size: 18px;
        margin: 0 0 25px 0;
        padding: 12px 0;
        border-radius: 8px;
    }
    
    .service-grid h3::before {
        width: 40px;
        height: 2px;
        bottom: 5px;
    }
    
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-logo {
        flex-direction: column;
        gap: 15px;
    }
    
    .footer-logo-left, .footer-logo-right {
        width: 100%;
    }
    
    .footer-logo img {
        height: 60px;
    }
    
    .footer-logo p {
        text-align: center;
    }
    
    .section-title h2 {
        font-size: 22px;
    }
    
    .section-title h3 {
        font-size: 22px;
    }
    
    .banner-content h1,
    .banner-content h2 {
        font-size: 28px;
    }
    
    .banner-content .btn {
        padding: 12px 28px;
        font-size: 18px;
    }
    
    .video-container {
        width: 100%;
        padding-bottom: 56.25%; /* 完整16:9 */
    }

    .partner-row {
        grid-template-columns: repeat(3, 1fr);
    }

    .about-banner {
        width: 95%;
        padding-bottom: 31.67%; /* 保持3:1的比例 */
    }
    
    .about-banner .banner-title h1 {
        font-size: 28px;
    }
    
    .about-banner .banner-title p {
        font-size: 16px;
    }
    
    .image-grid {
        width: 90%;
    }

    .company-stats {
        padding: 10px;
    }
    
    .stat-item {
        width: calc(50% - 20px);
        min-width: unset;
        height: 80px;
    }
    
    .intro-text p {
        font-size: 16px; /* 在小屏幕上适当减小字体 */
        font-weight: 600; /* 保持加粗效果 */
    }
}

@media (max-width: 576px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    /* service-grid h3在最小屏幕上的样式 */
    .service-grid h3 {
        font-size: 16px;
        margin: 0 0 20px 0;
        padding: 10px 0;
        border-radius: 6px;
    }
    
    .service-grid h3::before {
        width: 35px;
        height: 2px;
        bottom: 4px;
    }
    
    .partner-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .banner-content h1,
    .banner-content h2 {
        font-size: 24px;
    }
    
    .banner-content .btn {
        padding: 10px 25px;
        font-size: 16px;
    }
    
    .video-container {
        width: 100%;
        padding-bottom: 56.25%; /* 回到完整16:9 */
    }

    .partner-logo {
        height: 70px;
    }
    
    .partner-logo img {
        max-height: 40px;
    }

    .about-banner {
        width: 100%;
        padding-bottom: 33.33%; /* 保持3:1的比例 */
    }
    
    .about-banner .banner-title {
        text-align: center;
        max-width: 95%;
    }
    
    .about-banner .banner-title h1 {
        font-size: 24px;
    }
    
    .image-grid {
        width: 95%;
    }

    /* 小屏幕上的页脚优化 */
    .footer-logo-left, .footer-logo-right {
        min-width: 100%;
    }
    
    .footer-logo img {
        height: 45px;
        margin-bottom: 12px;
    }
    
    .footer-logo p {
        font-size: 12px;
        margin-bottom: 6px;
    }
    
    .footer-icon {
        width: 14px;
        height: 14px;
        margin-right: 6px;
    }
    
    .qr-code {
        padding: 12px;
    }
    
    .qr-code img {
        width: 90px;
        height: 90px;
        margin-bottom: 6px;
    }
    
    .qr-code p {
        font-size: 11px;
    }
    
    .footer-bottom {
        padding-top: 12px;
    }
    
    .footer-bottom p {
        font-size: 11px;
    }

    .stat-item {
        width: 100%;
        height: 70px;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .intro-text p {
        font-size: 15px; /* 在最小屏幕上进一步减小字体 */
        font-weight: 600; /* 保持加粗效果 */
    }
}

/* 联系我们页面样式 */
body.contact-page {
    /* 移除背景图，使用页面横幅的内联样式代替 */
    background-size: 100% auto;
    background-position: top center;
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-color: #f9f9f9;
}

/* 联系我们页面横幅在桌面端的增强样式 */
@media (min-width: 993px) {
    body.contact-page .page-banner {
        min-height: 280px;
        background-position: center 70%; /* 显示图片下半部分 */
    }
}

.page-banner {
    position: relative;
    width: 100%;
    padding: 80px 0;
}

.page-banner .container {
    max-width: 1200px;
}

.banner-title {
    text-align: left;
    padding-left: 40px;
    border-left: 4px solid #0056b3;
    padding: 20px 20px 20px 40px;
    display: inline-block;
}

.banner-title h1 {
    font-size: 32px;
    color: #0056b3;
    font-weight: 600;
    margin: 0;
    text-shadow: 0px 0px 8px rgba(255, 255, 255, 0.9), 0px 0px 4px rgba(255, 255, 255, 0.8);
}

.contact-main {
    padding: 60px 0;
    position: relative;
    z-index: 2;
    background-color: #f9f9f9;
}

.contact-main .container {
    max-width: 1200px;
}

.company-info {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    padding: 35px;
    margin-bottom: 30px;
    position: relative;
    z-index: 3;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid #0056b3;
}

.company-info:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.contact-logo {
    height: 50px;
    margin-bottom: 25px;
    filter: brightness(1.05);
}

.info-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 25px;
}

.company-info h2 {
    font-size: 22px;
    color: #333;
    margin-bottom: 5px;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.company-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 8px;
    margin-right: 10px;
    padding: 6px;
}

.company-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(21%) sepia(89%) saturate(1988%) hue-rotate(199deg) brightness(96%) contrast(99%);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-details:last-child {
    margin-bottom: 0;
}

.contact-item {
    display: flex;
    align-items: center;
    width: 100%;
    transition: transform 0.2s ease;
}

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

.contact-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.contact-item:hover .contact-icon {
    background-color: rgba(0, 86, 179, 0.2);
    transform: scale(1.05);
}

.contact-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(21%) sepia(89%) saturate(1988%) hue-rotate(199deg) brightness(96%) contrast(99%);
}

.contact-text {
    font-size: 16px;
    color: #333;
    transition: color 0.3s ease;
    flex: 1;
}

.contact-item:hover .contact-text {
    color: #0056b3;
}

.branch-offices {
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: relative;
    z-index: 3;
}

.branch-item {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    padding: 35px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid #0056b3;
}

.branch-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.branch-item h3 {
    color: #333;
    font-size: 22px;
    margin-bottom: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.branch-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 8px;
    margin-right: 10px;
    padding: 6px;
}

.branch-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(21%) sepia(89%) saturate(1988%) hue-rotate(199deg) brightness(96%) contrast(99%);
}

.branch-item p {
    display: flex;
    align-items: center;
    margin: 0;
    font-size: 16px;
    color: #444;
}

.branch-address {
    display: flex;
    align-items: center;
    margin-top: 10px;
    transition: transform 0.2s ease;
}

.branch-address:hover {
    transform: translateX(5px);
}

.location-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 50%;
    margin-right: 15px;
    padding: 10px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.branch-address:hover .location-icon {
    background-color: rgba(0, 86, 179, 0.2);
    transform: scale(1.05);
}

.location-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(21%) sepia(89%) saturate(1988%) hue-rotate(199deg) brightness(96%) contrast(99%);
}

.address-text {
    flex: 1;
    font-size: 16px;
    color: #333;
    transition: color 0.3s ease;
}

.branch-address:hover .address-text {
    color: #0056b3;
}

@media (max-width: 768px) {
    .company-info, .branch-item {
        padding: 25px;
    }
    
    .company-info h2, .branch-item h3 {
        font-size: 20px;
    }
    
    .contact-logo {
        height: 45px;
        margin-bottom: 20px;
    }
    
    .contact-icon, .location-icon {
        width: 36px;
        height: 36px;
        padding: 8px;
        margin-right: 12px;
    }
    
    .company-icon, .branch-icon {
        width: 26px;
        height: 26px;
        padding: 5px;
    }
}

/* 走进佰诚页面样式 */
body.about-page {
    background-color: #fff;
}

.about-banner {
    position: relative;
    width: 90%;
    margin: 0 auto;
    padding-bottom: 30%; /* 3:1的比例，宽度的1/3 */
    background-image: url('../images/about-banner.png');
    background-size: cover;
    background-position: center;
    color: #fff;
}

.about-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.about-banner .container {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
    z-index: 2;
}

.about-banner .banner-title {
    text-align: left;
    border-left: none;
    padding: 0 20px;
    display: block;
    max-width: 80%;
    margin: 0 auto;
}

.about-banner .banner-title h1 {
    font-size: 36px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.about-banner .banner-title p {
    font-size: 18px;
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.page-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    border-bottom: 1px solid #e0e0e0;
    background-color: #fff;
    padding: 0;
}

.page-nav ul {
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.page-nav li {
    margin: 0;
    padding: 0;
}

.page-nav li a {
    display: block;
    padding: 15px 30px;
    font-size: 18px;
    color: #666;
    text-decoration: none;
    margin: 0 10px;
    position: relative;
    transition: all 0.3s ease;
}

.page-nav li.active a,
.page-nav li a:hover {
    color: #0056b3;
    font-weight: 600;
    background-color: transparent;
    box-shadow: none;
}

.page-nav li.active a:after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #0056b3;
}

/* 公司简介部分 */
.company-intro {
    padding: 60px 0;
}

.company-intro .container {
    max-width: 1400px;
}

@media (min-width: 1200px) {
    .company-intro .container {
        max-width: 1200px;
    }
}

.intro-content {
    display: flex;
    flex-wrap: wrap;
    margin-top: 40px;
    gap: 30px;
    align-items: center;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.intro-text {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 10px 20px;
}

.intro-text p {
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.8;
    color: #444;
    max-width: 800px;
}

.intro-text p:last-child {
    margin-bottom: 0;
}

.intro-images {
    flex: 1;
    min-width: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-grid {
    display: block;
    width: 70%;
    margin: 0 auto;
    padding: 10px;
}

.image-grid img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.company-stats {
    display: flex;
    justify-content: center;
    margin-top: 50px;
    flex-wrap: wrap;
    background-color: #f8f9fa;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    padding: 20px;
    width: calc(33.33% - 20px);
    min-width: 250px;
    height: 100px;
    display: flex;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 10px;
    background-color: #fff;
    margin: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.03);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin-right: 20px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    flex-shrink: 0;
}

.stat-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(21%) sepia(89%) saturate(1988%) hue-rotate(199deg) brightness(96%) contrast(99%);
}

.stat-content {
    text-align: left;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-value {
    font-size: 40px;
    font-weight: 700;
    color: #0056b3;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-desc {
    font-size: 16px;
    color: #666;
    width: 100%;
}

/* 重点大事件 */
.development-history {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.legend-container {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 40px 0;
}

.legend-image {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 时间轴样式 */
.timeline-container {
    margin-top: 60px;
    padding: 50px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
    pointer-events: none;
}

/* 添加装饰性元素 */
.timeline-container::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 86, 179, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    z-index: 1;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 100%;
    background: linear-gradient(to bottom, 
        #0056b3 0%, 
        #3a7cd5 25%, 
        #5a9bd8 50%, 
        #7ab8db 75%, 
        #9ad5de 100%);
    border-radius: 3px;
    box-shadow: 0 0 20px rgba(0, 86, 179, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 86, 179, 0.3); }
    50% { box-shadow: 0 0 30px rgba(0, 86, 179, 0.5); }
}

.timeline-item {
    position: relative;
    margin-bottom: 80px;
    display: flex;
    align-items: center;
    width: 100%;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.2s; }
.timeline-item:nth-child(2) { animation-delay: 0.4s; }
.timeline-item:nth-child(3) { animation-delay: 0.6s; }
.timeline-item:nth-child(4) { animation-delay: 0.8s; }

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

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    flex: 0 0 220px;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #0056b3 0%, #3a7cd5 100%);
    padding: 25px 20px;
    border-radius: 15px;
    margin: 0 50px;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0, 86, 179, 0.3);
    transition: all 0.3s ease;
    border: 3px solid rgba(255, 255, 255, 0.2);
    overflow: visible;
}

.timeline-year::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.timeline-year:hover::after {
    left: 100%;
}

.timeline-year:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 86, 179, 0.4);
}

.timeline-year::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, #0056b3, #3a7cd5, #5a9bd8);
    border-radius: 18px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.timeline-year:hover::before {
    opacity: 1;
}

.timeline-content {
    flex: 1;
    background: #fff;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 86, 179, 0.1);
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.timeline-content::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0056b3, #3a7cd5, #5a9bd8);
    border-radius: 20px 20px 0 0;
}

.timeline-content:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.12);
    border-color: rgba(0, 86, 179, 0.2);
}

.timeline-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 18px;
    line-height: 1.4;
    position: relative;
    padding-left: 20px;
}

.timeline-content h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: linear-gradient(to bottom, #0056b3, #3a7cd5);
    border-radius: 2px;
}

.timeline-content p {
    font-size: 15px;
    color: #5a6c7d;
    margin-bottom: 12px;
    line-height: 1.7;
    padding-left: 20px;
    position: relative;
    transition: color 0.3s ease;
}

.timeline-content p::before {
    content: '▸';
    position: absolute;
    left: 0;
    top: 0;
    color: #0056b3;
    font-weight: bold;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.timeline-content:hover p::before {
    transform: translateX(3px);
}

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

.timeline-content:hover p {
    color: #4a5568;
}

.timeline-dot {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: #fff;
    border: 4px solid #0056b3;
    border-radius: 50%;
    box-shadow: 0 0 0 8px rgba(0, 86, 179, 0.1);
    z-index: 3;
    transition: all 0.3s ease;
}

/* 奇数行：时间点在年份左边 */
.timeline-item:nth-child(odd) .timeline-dot {
    left: -12px;
}

/* 偶数行：时间点在年份右边 */
.timeline-item:nth-child(even) .timeline-dot {
    right: -12px;
}

.timeline-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: #0056b3;
    border-radius: 50%;
    transition: all 0.3s ease;
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

.timeline-item:hover .timeline-dot {
    transform: translateY(-50%) scale(1.2);
    box-shadow: 0 0 0 12px rgba(0, 86, 179, 0.15);
}

.timeline-item:hover .timeline-dot::before {
    background: #3a7cd5;
    transform: translate(-50%, -50%) scale(1.3);
}

/* 时间轴箭头效果 */
.timeline-item:nth-child(odd) .timeline-content::before {
    content: '';
    position: absolute;
    right: -20px;
    top: 40px;
    width: 0;
    height: 0;
    border-left: 20px solid #fff;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    filter: drop-shadow(2px 0 5px rgba(0, 0, 0, 0.1));
}

.timeline-item:nth-child(even) .timeline-content::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 40px;
    width: 0;
    height: 0;
    border-right: 20px solid #fff;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    filter: drop-shadow(-2px 0 5px rgba(0, 0, 0, 0.1));
}

/* 企业文化 */
.corporate-culture {
    padding: 60px 0;
}

.culture-cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}

.culture-card {
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    text-align: center;
    padding: 30px;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    min-height: 250px;
    z-index: 1;
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* 删除遮罩层 */
.culture-card:before {
    display: none;
}

.culture-card h3 {
    margin-bottom: 15px;
    font-size: 20px;
    color: #ffffff;
    position: relative;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.culture-card p {
    font-size: 14px;
    color: #ffffff;
    line-height: 1.6;
    position: relative;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

/* 移除旧的卡片图标样式 */
.card-icon {
    display: none;
}

/* 资质荣誉 */
.qualifications {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.year-honors {
    margin-top: 30px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    gap: 30px;
}

.honors-left {
    flex: 6;
}

.honors-right {
    flex: 4;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 15px;
}

.year-title {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
}

.year-title h4 {
    display: inline-block;
    background-color: #0056b3;
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 18px;
    position: relative;
    z-index: 2;
}

.year-title:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #ddd;
    z-index: 1;
}

.honors-list {
    background-color: #fff;
    padding: 25px;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    height: 100%;
}

.honors-list p {
    position: relative;
    padding-left: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: #333;
    line-height: 1.6;
}

.honors-list p:last-child {
    margin-bottom: 0;
}

.honors-list p:before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: #0056b3;
    border-radius: 50%;
}

.honor-box {
    background-color: #fff;
    padding: 25px;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    transition: all 0.3s ease;
    border-left: 3px solid #0056b3;
}

.honor-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.honor-box span {
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

@media (max-width: 768px) {
    .year-honors {
        flex-direction: column;
    }
    
    .honors-right {
        margin-top: 15px;
        gap: 10px;
    }
    
    .honor-box {
        padding: 15px;
    }
}

/* 响应式设计调整 */
@media (max-width: 992px) {
    .intro-content {
        flex-direction: column;
        align-items: center;
    }
    
    .intro-text {
        text-align: center;
        align-items: center;
        margin-bottom: 20px;
        max-width: 90%;
    }
    
    .intro-text p {
        font-size: 17px; /* 在中等屏幕上稍微减小字体 */
        font-weight: 600; /* 保持加粗效果 */
    }
    
    .intro-images {
        width: 100%;
        padding-bottom: 33.33%; /* 保持3:1的比例 */
    }
    
    .about-banner .banner-title {
        text-align: center;
        max-width: 95%;
    }
    
    .about-banner .banner-title h1 {
        font-size: 24px;
    }
    
    .page-nav ul {
        flex-wrap: wrap;
    }
    
    .page-nav li {
        width: 50%;
        text-align: center;
    }
    
    .culture-card {
        min-width: 100%;
    }
    
    .stat-item {
        min-width: 220px;
        width: calc(33.33% - 20px);
        padding: 15px;
        height: 90px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
    }
    
    .stat-value {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .company-stats {
        padding: 10px;
    }
    
    .stat-item {
        width: calc(50% - 20px);
        min-width: unset;
        height: 80px;
    }
    
    .intro-text p {
        font-size: 16px; /* 在小屏幕上适当减小字体 */
        font-weight: 600; /* 保持加粗效果 */
    }
}

@media (max-width: 576px) {
    .stat-item {
        width: 100%;
        height: 70px;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .intro-text p {
        font-size: 15px; /* 在最小屏幕上进一步减小字体 */
        font-weight: 600; /* 保持加粗效果 */
    }
}

/* 为不同屏幕尺寸优化container的padding */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
}

/* 在移动设备上的响应式调整 */
@media (max-width: 768px) {
    .legend-container {
        margin: 20px 0;
    }
    
    /* 时间轴移动端调整 */
    .timeline-year {
        background: linear-gradient(135deg, #0056b3 0%, #3a7cd5 100%) !important;
        color: #fff !important;
        -webkit-text-fill-color: #fff !important;
        border: 2px solid rgba(255, 255, 255, 0.2) !important;
    }
    
    .timeline-year:hover {
        box-shadow: 0 8px 25px rgba(0, 86, 179, 0.3) !important;
    }
    
    /* 确保动画在移动端也能正常工作 */
    .timeline-item {
        animation: fadeInUp 0.6s ease forwards;
    }
}

/* 响应式导航调整 */
@media (max-width: 992px) {
    header .container {
        padding: 12px 15px;
    }
    
    .logo img {
        height: 45px;
    }
    
    nav ul li {
        margin: 0 10px;
    }
    
    nav ul li a {
        font-size: 16px;
        padding: 5px 10px;
    }
    
    nav ul li.active a,
    nav ul li a:hover {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 768px) {
    .logo img {
        height: 40px;
    }
    
    nav ul li {
        margin: 0 8px;
    }
    
    nav ul li a {
        font-size: 15px;
        padding: 4px 8px;
    }
}

/* 公司联系信息优化 */
.info-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 30px;
}

.company-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 8px;
    margin-right: 10px;
    padding: 6px;
}

.company-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(21%) sepia(89%) saturate(1988%) hue-rotate(199deg) brightness(96%) contrast(99%);
}

.contact-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    background-color: rgba(0, 86, 179, 0.2);
    transform: scale(1.05);
}

.contact-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(21%) sepia(89%) saturate(1988%) hue-rotate(199deg) brightness(96%) contrast(99%);
}

.branch-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 6px;
    margin-right: 10px;
    padding: 5px;
}

.branch-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(21%) sepia(89%) saturate(1988%) hue-rotate(199deg) brightness(96%) contrast(99%);
}

.branch-address {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.location-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: rgba(220, 53, 69, 0.1);
    border-radius: 50%;
    margin-right: 10px;
    padding: 4px;
    flex-shrink: 0;
}

.location-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: invert(21%) sepia(86%) saturate(3619%) hue-rotate(339deg) brightness(87%) contrast(80%);
}

.address-text {
    flex: 1;
    font-size: 16px;
    color: #444;
}

.branch-item {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.branch-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.branch-item h3 {
    display: flex;
    align-items: center;
}

.branch-item p {
    display: flex;
    align-items: center;
    margin-top: 10px;
}