@charset "UTF-8";

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== 现代化响应式导航栏 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.12);
}

.navbar {
    position: relative;
    padding: 12px 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

/* Logo区域 */
.navbar-brand {
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0078d4;
    white-space: nowrap;
}

/* 桌面端导航菜单 */
.navbar-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 12px 20px;
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    white-space: nowrap;
}

.nav-menu a {
    display: block;
    padding: 10px 15px;
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    white-space: nowrap;
}

.nav-link:hover,
.nav-menu a:hover {
    color: #0078d4;
    background: rgba(0, 120, 212, 0.08);
    transform: translateY(-1px);
}

.nav-link.active,
.nav-menu a.active {
    color: #0078d4;
    background: rgba(0, 120, 212, 0.12);
    font-weight: 700;
}

.nav-link.active::after,
.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: #0078d4;
    border-radius: 1px;
}

/* 导航栏右侧操作区 */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

/* 语言切换器 */
.language-switcher {
    display: flex;
    gap: 4px;
    background: rgba(0, 120, 212, 0.08);
    border-radius: 8px;
    padding: 4px;
}

.lang-btn {
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: #666;
    cursor: pointer;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.lang-btn:hover {
    color: #0078d4;
    background: rgba(255, 255, 255, 0.8);
}

.lang-btn.active {
    background: #005a9e;
    color: white;
    box-shadow: 0 2px 8px rgba(0, 120, 212, 0.3);
}

.lang-btn.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 2s infinite;
}

@keyframes shine {
    to {
        left: 100%;
    }
}

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

/* 移动端菜单按钮 - 默认隐藏 */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    justify-content: center;
    align-items: center;
    padding: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    gap: 4px;
}

/* 桌面端确保移动端元素隐藏 */
@media (min-width: 769px) {
    .mobile-menu-toggle,
    .mobile-menu,
    .mobile-menu-overlay {
        display: none !important;
    }
    
    .navbar-nav {
        display: flex;
    }
    
    .language-switcher {
        display: flex;
    }
}

.mobile-menu-toggle:hover {
    background: rgba(0, 120, 212, 0.08);
}

.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

/* 移动端菜单按钮激活状态 */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: #333;
    border-radius: 1px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1),
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2),
.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3),
.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 英雄区域 - 100vh */
.hero-section {
    height: 100vh;
    background: url('../images/e_banner.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero-content {
    max-width: 900px;
    padding: 0 0px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}



.btn-primary {
    background: #0078d4;
    color: white;
}

.btn-primary:hover {
    background: #005a9e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 120, 212, 0.4);
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-outline:hover {
    background: white;
    color: #0078d4;
    transform: translateY(-2px);
}

/* 数据展示区域 */
.stats-section {
    background: linear-gradient(135deg, #0078d4, #005a9e);
    color: white;
    padding: 60px 0;
    margin-top: -1px;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 内容区域 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 20px 0;
    scroll-margin-top: 20px;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom:  60px;
    color: #0078d4;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #0078d4;
    border-radius: 2px;
}

.section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
    margin-bottom: 30px;
}

.text-content {
    padding: 20px;
}

.image-content {
    text-align: center;
}

.image-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.image-content img:hover {
    transform: scale(1.05);
}

.feature-list {
    list-style: none;
    margin: 20px 0;
}

.feature-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
    font-size: 1.1rem;
}

.feature-list li:before {
    content: "✓";
    color: #0078d4;
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
}

/* 海外仓服务高亮数据 */
.warehouse-highlights {
    display: flex;
    justify-content: space-around;
    margin: 30px 0;
    flex-wrap: wrap;
    gap: 20px;
}

.highlight-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 25px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-width: 120px;
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 120, 212, 0.15);
}

.highlight-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: #0078d4;
    margin-bottom: 5px;
}

.highlight-text {
    font-size: 0.9rem;
    color: #666;
    text-align: center;
}

.text-content h4 {
    font-size: 1.3rem;
    color: #0078d4;
    margin: 25px 0 15px;
    font-weight: 600;
}

.feature-list li strong {
    color: #0078d4;
    font-weight: 600;
}

/* 合作伙伴展示区域 */
.partners-showcase {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 20px;
    padding: 50px 30px;
    margin: 30px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.partners-title {
    text-align: center;
    font-size: 2.2rem;
    color: #0078d4;
    margin-bottom: 20px;
    font-weight: bold;
}

.partners-description {
    text-align: center;
    margin-bottom: 40px;
}

.partners-description p {
    font-size: 1.1rem;
    color: #666;
    margin: 10px 0;
    line-height: 1.6;
    font-weight: 500;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.partner-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 120, 212, 0.15);
    border-color: #0078d4;
}

.partner-logo {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 10px;
    padding: 10px;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.partner-info h4 {
    margin: 0 0 10px 0;
    color: #0078d4;
    font-size: 1.3rem;
    font-weight: bold;
}

.partner-info p {
    margin: 0;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 1.1rem;
    margin: 20px 0 50px;
    font-style: italic;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 30px;
    margin-top: 40px;
    align-items: stretch;
}

/* 通用面板样式 */
.contact-info-panel,
.map-panel,
.company-info-panel {
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

.contact-info-panel:hover,
.map-panel:hover,
.company-info-panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* 面板头部样式 */
.contact-header,
.map-header,
.company-header {
    background: linear-gradient(135deg, #0078d4, #005a9e);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-header i,
.map-header i,
.company-header i {
    font-size: 1.2rem;
}

.contact-header h3,
.map-header h3,
.company-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

/* 联系信息面板 */
.contact-person {
    padding: 25px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    gap: 15px;
}

.contact-person:last-child {
    border-bottom: none;
}

.person-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.person-avatar i {
    font-size: 1.5rem;
    color: #0078d4;
}

.person-details h4 {
    margin: 0 0 5px;
    color: #0078d4;
    font-size: 1.1rem;
    font-weight: 600;
}

.person-name {
    margin: 0 0 15px;
    font-weight: bold;
    color: #333;
    font-size: 1rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 0.9rem;
}

.contact-item i {
    width: 16px;
    color: #0078d4;
    font-size: 0.9rem;
}

/* 地图面板 */
.map-container {
    margin: 0;
    flex: 1;
    border-radius: 0 0 15px 15px;
    overflow: hidden;
    display: flex;
}

.map-container iframe {
    width: 100%;
    height: 350px;
    border: none;
    display: block;
}

.address-display {
    padding: 20px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #333;
    font-weight: 500;
}

.address-display i {
    color: #0078d4;
    font-size: 1.1rem;
}

/* 公司信息面板 */
.company-details {
    padding: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.contact-info-panel .panel-content,
.company-info-panel .panel-content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.info-item {
    padding: 20px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.info-item:last-child {
    border-bottom: none;
}

.info-item i {
    width: 20px;
    height: 20px;
    color: #0078d4;
    font-size: 1.1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.info-content h4 {
    margin: 0 0 8px;
    color: #0078d4;
    font-size: 1rem;
    font-weight: 600;
}

.info-content p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 页脚 */
footer {
    background: #333;
    color: white;
    padding: 40px 0 20px;
    text-align: center;
}

.footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #0078d4;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #0078d4;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 120, 212, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 120, 212, 0.4);
}

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

.fade-in {
    animation: fadeInUp 0.8s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .partners-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .warehouse-highlights {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .highlight-item {
        min-width: 200px;
    }

    /* 联系我们移动端样式 */
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-info-panel,
    .map-panel,
    .company-info-panel {
        min-height: 400px;
    }

    .contact-person {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .person-avatar {
        align-self: center;
    }

    .contact-methods {
        align-items: center;
    }

    .map-container iframe {
        height: 250px;
    }

    .info-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .info-item i {
        align-self: center;
        margin-top: 0;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 80px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .stats-container {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 75px;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 65px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.navbar-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 24px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    min-height: 40px;
    position: relative;
    padding: 0 5px;
    transition: all 0.3s ease;
    
}

.nav-link {
    text-decoration: none;
    color: #374151;
    font-weight: 600;
    font-size: 1rem;;
    transition: all 0.3s ease;
    position: relative;
    white-space: nowrap;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 8px 4px;
    border-radius: 4px;
}

.nav-link:hover {
    color: #0078d4;
    background-color: rgba(0, 120, 212, 0.05);
}

.nav-link.active {
    color: #0078d4;
    font-weight: 700;
}

/* 英文版导航菜单换行支持 */
.nav-link[data-key] {
    white-space: normal;
    word-wrap: break-word;
    hyphens: auto;
    line-height: 1.2;
    text-align: center;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background-color: #0078d4;
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* 语言切换按钮 */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.language-switcher {
    display: flex;
    gap: 8px;
}

.lang-btn {
    background: #0078d4;
    color: white;
    border: none;
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.lang-btn i {
    font-size: 12px;
}

.lang-btn:hover {
    background: #005a9e;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #374151;
    margin: 3px 0;
    transition: 0.3s;
}

/* 英雄区域 */
.hero-section {
    min-height: 100vh;
    background: url('/images/e_banner.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    padding: 80px 20px;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.7) 100%);
    z-index: 1;
}

.hero-section::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 1000 1000"><polygon fill="%23ffffff08" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    position: relative;
    z-index: 3;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 1s ease-out;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
    font-weight: 400;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
    margin-top: 40px;
}

.btn {
    padding: 5px 15px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 120px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: 0.6s;
}

.btn:hover::after {
    transform: translateX(100%);
}

.btn-primary {
    background: #0078d4;
    color: white;
}

.btn-primary:hover {
    background: #005a9e;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: white;
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover {
    background: white;
    color: #1e40af;
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 60px;
    position: relative;
    z-index: 3;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fbbf24;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 新闻动态 */
.news-section {
    padding: 100px 0;
    background: #f8fafc;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    color: #1f2937;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #1e40af;
    border-radius: 2px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.news-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1f2937;
}

.news-content p {
    color: #6b7280;
    margin-bottom: 20px;
    line-height: 1.7;
}

.read-more {
    color: #1e40af;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #1d4ed8;
}

/* 关于我们 */
.about-section {
    padding: 100px 0;
    background: white;
}

.about-content {
    display: grid;
    gap: 60px;
}

.about-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-intro h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1f2937;
}

.about-intro p {
    font-size: 1.1rem;
    color: #6b7280;
    line-height: 1.8;
}

.milestones h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: center;
    color: #1f2937;
}

.timeline {
    max-width: 600px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 80px;
    top: 30px;
    bottom: -40px;
    width: 2px;
    background: #e5e7eb;
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-date {
    background: #1e40af;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    white-space: nowrap;
    height: fit-content;
}

.timeline-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1f2937;
}

.timeline-content p {
    color: #6b7280;
    line-height: 1.6;
}

.team h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: center;
    color: #1f2937;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.team-member {
    text-align: center;
    padding: 30px;
    background: #f8fafc;
    border-radius: 15px;
    transition: all 0.3s ease;
}

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

.team-member h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #1f2937;
}

.position {
    color: #1e40af;
    font-weight: 600;
    margin-bottom: 15px;
}

.team-member p {
    color: #6b7280;
    line-height: 1.6;
}

/* 航线服务 */
.shipping-section {
    padding: 100px 0;
    background: #f8fafc;
}

.advantages h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: center;
    color: #1f2937;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.advantage-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1f2937;
}

.advantage-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* 物流网络 */
.logistics-section {
    padding: 100px 0;
    background: white;
}

.wilhelmshaven-hub h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: center;
    color: #1f2937;
}

.hub-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature:hover {
    background: #e5e7eb;
    transform: translateX(5px);
}

.feature i {
    font-size: 1.5rem;
    color: #1e40af;
    width: 30px;
}

.feature span {
    font-weight: 500;
    color: #374151;
}

/* 海外仓服务 - 重点突出 */
.warehousing-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.warehousing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/warehouse-bg.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.warehousing-section .container {
    position: relative;
    z-index: 2;
}

.warehousing-hero {
    text-align: center;
    margin-bottom: 80px;
}

.warehousing-hero .section-title {
    color: white;
    font-size: 3rem;
    margin-bottom: 20px;
}

.warehousing-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 核心数据展示 */
.warehouse-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    font-size: 3rem;
    color: #fbbf24;
    margin-bottom: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* 仓储服务特色 */
.warehouse-features {
    margin-bottom: 80px;
}

.features-title {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 60px;
    color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 3rem;
    color: #fbbf24;
    margin-bottom: 25px;
}

.feature-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    font-size: 1rem;
}

/* 增值服务 */
.value-added-services {
    text-align: center;
}

.services-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 60px;
    color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.service-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px 20px;
    border-radius: 15px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.service-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.service-item i {
    font-size: 2rem;
    color: #fbbf24;
}

.service-item span {
    color: white;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
}

/* 未来计划 */
.future-section {
    padding: 100px 0;
    background: white;
}

.roadmap h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: center;
    color: #1f2937;
}

.roadmap-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.roadmap-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.3);
}

.roadmap-item i {
    font-size: 1.5rem;
    width: 30px;
}

.roadmap-item span {
    font-weight: 500;
    font-size: 1.1rem;
}

/* 联系我们 */
.contact-section {
    padding: 50px 0;
    background: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-map {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-map h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: #1f2937;
    text-align: center;
}

.map-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    flex: 1;
}

.contact-info {
    display: grid;
    gap: 40px;
}

.info-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1f2937;
}

.info-section p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 10px;
}

.contact-methods {
    display: grid;
    gap: 15px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.contact-method i {
    color: #1e40af;
    font-size: 1.2rem;
    width: 20px;
}

.contact-method span {
    color: #374151;
    font-weight: 500;
}

/* 页脚 */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #f9fafb;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #60a5fa;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: #9ca3af;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #60a5fa;
}

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

/* 移动端菜单覆盖层 */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    cursor: pointer;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: white;
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    border-radius: 0 0 0 16px;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 120, 212, 0.3) rgba(0, 0, 0, 0.05);
}

/* 自定义滚动条样式 */
.mobile-menu::-webkit-scrollbar {
    width: 6px;
}

.mobile-menu::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

.mobile-menu::-webkit-scrollbar-thumb {
    background-color: rgba(0, 120, 212, 0.3);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.mobile-menu::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 120, 212, 0.5);
}

.mobile-menu.active {
    right: 0;
}

/* 移动端菜单内容区域 */
.mobile-menu-content {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background: linear-gradient(135deg, #0078d4, #005a9e);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-logo img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.mobile-logo span {
    font-weight: 700;
    font-size: 1rem;
}

.mobile-menu-close {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.mobile-menu-close:active {
    transform: scale(0.95);
}

/* 移动端导航菜单 */
.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 24px 0;
    flex: 1;
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(0, 120, 212, 0.1), transparent);
}

.mobile-nav-menu::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 24px;
    right: 24px;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(0, 120, 212, 0.1), transparent);
}

.mobile-nav-item {
    margin: 0;
    transform: translateX(0);
    transition: transform 0.3s ease-out;
    opacity: 1;
}

/* 添加菜单项进入动画 */
.mobile-menu.active .mobile-nav-item {
    animation: slideInRight 0.4s forwards;
}

.mobile-menu.active .mobile-nav-item:nth-child(1) { animation-delay: 0.05s; }
.mobile-menu.active .mobile-nav-item:nth-child(2) { animation-delay: 0.1s; }
.mobile-menu.active .mobile-nav-item:nth-child(3) { animation-delay: 0.15s; }
.mobile-menu.active .mobile-nav-item:nth-child(4) { animation-delay: 0.2s; }
.mobile-menu.active .mobile-nav-item:nth-child(5) { animation-delay: 0.25s; }
.mobile-menu.active .mobile-nav-item:nth-child(6) { animation-delay: 0.3s; }

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

.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 1.1rem;
    border-left: 4px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    margin: 0 12px;
    border-radius: 12px;
    gap: 16px;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.mobile-nav-link i {
    font-size: 1.2rem;
    color: #0078d4;
    width: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.mobile-nav-link:hover {
    color: #0078d4;
    background: rgba(0, 120, 212, 0.08);
    border-left-color: #0078d4;
    padding-left: 28px;
    box-shadow: 0 4px 12px rgba(0, 120, 212, 0.15);
    transform: translateY(-2px);
}

.mobile-nav-link:hover i {
    transform: scale(1.2) rotate(5deg);
    color: #0078d4;
}

.mobile-nav-link.active {
    color: #0078d4;
    background: rgba(0, 120, 212, 0.12);
    border-left-color: #0078d4;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0, 120, 212, 0.2);
    padding-left: 28px;
}

.mobile-nav-link.active i {
    color: #0078d4;
}

/* 移动端语言切换 */
.mobile-language-switcher {
    padding: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    background: linear-gradient(to bottom, rgba(0, 120, 212, 0.02), rgba(0, 120, 212, 0.05));
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.03);
    border-radius: 0 0 0 16px;
    position: sticky;
    bottom: 0;
    z-index: 5;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.mobile-lang-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    width: 100%;
    padding: 16px 20px;
    margin-bottom: 16px;
    border: 1px solid rgba(0, 120, 212, 0.2);
    background: white;
    color: #555;
    border-radius: 16px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.mobile-lang-btn i {
    font-size: 1.3rem;
    color: #0078d4;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: rgba(0, 120, 212, 0.1);
    border-radius: 50%;
    padding: 6px;
}

.mobile-lang-btn:last-child {
    margin-bottom: 0;
}

.mobile-lang-btn:hover {
    border-color: #0078d4;
    color: #0078d4;
    background: rgba(0, 120, 212, 0.05);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 120, 212, 0.15);
}

.mobile-lang-btn:hover i {
    transform: rotate(15deg) scale(1.1);
    background-color: rgba(0, 120, 212, 0.2);
}

.mobile-lang-btn.active {
    background: #0078d4;
    color: white;
    border-color: #0078d4;
    box-shadow: 0 4px 12px rgba(0, 120, 212, 0.3);
}

.mobile-lang-btn.active i {
    color: white;
    background-color: rgba(255, 255, 255, 0.2);
}

.mobile-lang-btn.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 2.5s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%);
        opacity: 0.6;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        transform: translateX(100%);
        opacity: 0.6;
    }
}

/* 已合并到上面的样式定义中 */

/* 响应式设计 */
@media (max-width: 992px) {
    /* 调整导航栏在平板设备上的样式 */
    .navbar-nav {
        gap: 16px;
    }
    
    .nav-link {
        font-size: 0.95rem;
        padding: 8px 12px;
    }
    
    .lang-btn {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    /* 隐藏桌面端导航 */
    .navbar-nav {
        display: none;
    }

    /* 隐藏桌面端语言切换 */
    .language-switcher {
        display: none;
    }

    /* 显示移动端菜单按钮 */
    .mobile-menu-toggle {
        display: flex;
    }

    /* 确保桌面端导航菜单在移动端完全隐藏 */
    .nav-menu {
        display: none !important;
    }
    
    /* 调整导航栏在移动设备上的样式 */
    .navbar {
        padding: 12px 16px;
    }
    
    .logo-img {
        height: 50px;
    }
    
    /* 调整英雄区域在移动设备上的样式 */
    .hero-section {
        padding: 60px 16px;
    }
    
    .hero-content {
        padding: 30px 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 0.5px;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        max-width: 100%;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 16px;
        margin-top: 30px;
    }
    
    .btn {
        width: 100%;
        padding: 14px 24px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .warehousing-hero .section-title {
        font-size: 2.5rem;
    }
    
    .warehousing-subtitle {
        font-size: 1.1rem;
    }
    
    .warehouse-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-bottom: 60px;
    }
    
    .stat-card {
        padding: 30px 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-card {
        padding: 30px 25px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .service-item {
        padding: 25px 15px;
    }
    
    .roadmap-items {
        grid-template-columns: 1fr;
    }
    
    .hub-features {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .warehousing-hero .section-title {
        font-size: 2rem;
    }
    
    .warehousing-subtitle {
        font-size: 1rem;
    }
    
    .warehouse-stats {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 50px;
    }
    
    .stat-card {
        padding: 25px 20px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-icon {
        font-size: 2.5rem;
    }
    
    .feature-icon {
        font-size: 2.5rem;
    }
    
    .feature-card {
        padding: 25px 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .service-item {
        padding: 20px 15px;
    }
    
    .service-item i {
        font-size: 1.5rem;
    }
    
    .contact-map,
    .news-card {
        padding: 25px;
    }
    
    .map-container iframe {
        height: 300px;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 15px;
    }
    
    .timeline-item::before {
        display: none;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 选择文本样式 */
::selection {
    background: #1e40af;
    color: white;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #1e40af;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1d4ed8;
}

/* Bootstrap导航自定义样式 */
.navbar {
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand img {
    transition: all 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    font-weight: 600;
    color: #333 !important;
    padding: 0.75rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: #0078d4 !important;
    background-color: rgba(0, 120, 212, 0.1);
    transform: translateY(-2px);
}

.navbar-nav .nav-link.active {
    color: #0078d4 !important;
    background-color: rgba(0, 120, 212, 0.15);
    font-weight: 600;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: linear-gradient(45deg, #0078d4, #00bcf2);
    border-radius: 2px;
}

.btn-group .lang-btn {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-color: #0078d4 !important;
    color: #0078d4 !important;
    transition: all 0.3s ease;
}

.btn-group .lang-btn:hover {
    background-color: #0078d4 !important;
    color: white !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 120, 212, 0.3);
}

.btn-group .lang-btn.active {
    background-color: #0078d4 !important;
    color: white !important;
    border-color: #0078d4 !important;
    box-shadow: 0 2px 8px rgba(0, 120, 212, 0.3);
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 120, 212, 0.25);
}

.navbar-toggler:hover {
    background-color: rgba(0, 120, 212, 0.1);
}

/* 移动端样式优化 */
@media (max-width: 991.98px) {
    .navbar-nav {
        padding: 1rem 0;
        background-color: rgba(255, 255, 255, 0.95);
        border-radius: 12px;
        margin-top: 1rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-nav .nav-link {
        margin: 0.25rem 0;
        padding: 0.75rem 1.5rem !important;
    }
    
    .btn-group {
        margin-top: 1rem;
        justify-content: center;
    }
    
    .d-flex {
        justify-content: center;
        padding-bottom: 1rem;
    }
}

/* 确保英雄区域不被固定导航遮挡 */
.hero-section {
    padding-top: 100px;
}

@media (max-width: 768px) {
    .hero-section {
        padding-top: 80px;
    }
}
}