/* 全局样式 - 色彩优化版本 */
/* 色彩系统：
   - 主色：#1a73e8（专业蓝）
   - 次色：#0d47a1（深蓝色）
   - 辅助色：#f39c12（温暖橙，服务/物流）
   - 强调色：#e74c3c（活力红，紧急/重要）
   - 成功色：#27ae60（绿色，安全/成功）
*/

:root {
    --primary-color: #1a73e8;
    --primary-dark: #0d47a1;
    --secondary-color: #f39c12;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #999;
    --bg-light: #fafafa;
    --bg-white: #fff;
    --bg-extra-light: #fdfdfd;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 防止图片加载时的布局抖动 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
    overflow-x: hidden;
    min-height: 100vh;
    scroll-behavior: smooth;
}

#main-content {
    transition: opacity 0.2s ease, transform 0.2s ease;
    opacity: 1;
    transform: translateY(0);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 人才招聘 */
.talent {
    padding: 80px 0;
    background: linear-gradient(180deg, #fafafa 0%, #fff 100%);
}

.talent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.job-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.job-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.15);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.job-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1a73e8;
    margin: 0;
}

.job-type {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.job-info {
    margin-bottom: 20px;
}

.job-info p {
    color: #666;
    margin: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.job-info i {
    color: #1a73e8;
    width: 20px;
}

.job-desc h4 {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.job-desc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.job-desc li {
    color: #666;
    padding: 5px 0 5px 20px;
    position: relative;
    font-size: 14px;
}

.job-desc li::before {
    content: '•';
    color: #1a73e8;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.apply-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
}

.apply-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(26, 115, 232, 0.3);
}

/* 企业文化 */
.culture {
    padding: 80px 0;
    background: #fff;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.culture-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 15px;
    background: linear-gradient(180deg, #fafafa 0%, #fff 100%);
    transition: all 0.3s ease;
    border: 1px solid #e8ecf3;
}

.culture-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(26, 115, 232, 0.1);
    border-color: #1a73e8;
}

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: #fff;
    transition: transform 0.3s ease;
}

.culture-card:hover .culture-icon {
    transform: scale(1.1) rotate(10deg);
}

.culture-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a73e8;
    margin-bottom: 15px;
}

.culture-card p {
    color: #666;
    line-height: 1.8;
}

.culture-value-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.value-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border: 2px solid #e8ecf3;
    background: #fff;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: #555;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    z-index: 1;
}

.value-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f0f4ff;
    color: #1a73e8;
    font-size: 16px;
    transition: all 0.4s ease;
}

.value-btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(26, 115, 232, 0.3), transparent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
    z-index: -1;
}

.value-btn:hover {
    border-color: #1a73e8;
    color: #1a73e8;
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.25);
}

.value-btn:hover .value-btn-glow {
    width: 200px;
    height: 200px;
}

.value-btn:hover .value-btn-icon {
    background: #1a73e8;
    color: #fff;
    transform: rotate(360deg);
}

.value-btn.active {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 30px rgba(26, 115, 232, 0.4);
    transform: translateY(-4px) scale(1.05);
}

.value-btn.active .value-btn-icon {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
    transform: rotate(360deg);
}

.value-btn.active .value-btn-glow {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15), transparent);
}

.culture-detail-panel {
    margin-top: 50px;
    padding: 50px;
    background: linear-gradient(135deg, #f8faff, #fff);
    border-radius: 20px;
    border: 1px solid #e8ecf3;
    min-height: 200px;
    position: relative;
    overflow: hidden;
}

.culture-detail-content {
    display: none;
    text-align: center;
    animation: detailSlideIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.culture-detail-content.active {
    display: block;
}

@keyframes detailSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.culture-detail-content .detail-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: #fff;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(26, 115, 232, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(26, 115, 232, 0); }
}

.culture-detail-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: #1a73e8;
    margin-bottom: 15px;
}

.culture-detail-content p {
    font-size: 16px;
    line-height: 2;
    color: #555;
    max-width: 700px;
    margin: 0 auto;
}

.culture-card.highlighted {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 15px 40px rgba(26, 115, 232, 0.2);
    border-color: #1a73e8;
}

.culture-card.highlighted .culture-icon {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.4);
}

/* 联系我们 */
.contact {
    padding: 80px 0;
    background: linear-gradient(180deg, #fff 0%, #f5f7fa 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.1);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.contact-text p {
    color: #666;
    margin: 5px 0;
}

/* 微信二维码样式 */
.contact-item.wechat-qr {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px 20px;
}

.qr-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.qr-image {
    width: 140px;
    height: 140px;
    border: 2px solid #e8ecf3;
    border-radius: 12px;
    padding: 6px;
    background: #fff;
    transition: all 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.qr-image:hover {
    border-color: #1a73e8;
    box-shadow: 0 5px 20px rgba(26, 115, 232, 0.2);
    transform: scale(1.05);
}

.qr-wrapper p {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e8ecf3;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: 'Arial', sans-serif;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 15px 30px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(26, 115, 232, 0.3);
}

/* 集团产业详细内容样式 */
.warehousing-section,
.vehicle-section {
    margin-top: 60px;
    padding: 40px;
    background: linear-gradient(135deg, #f8fafc 0%, #fff 100%);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.warehousing-section h3,
.vehicle-section h3 {
    font-size: 28px;
    color: #1a73e8;
    margin-bottom: 20px;
    font-weight: 700;
}

.warehousing-section p,
.vehicle-section p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 16px;
}

.warehousing-features,
.vehicle-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.feature-item {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e8ecf3;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(26, 115, 232, 0.15);
    border-color: #1a73e8;
}

.feature-item i {
    font-size: 40px;
    color: #1a73e8;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.feature-item:hover i {
    transform: scale(1.1) rotate(5deg);
}

.feature-item h4 {
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 16px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .talent-grid,
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .warehousing-section,
    .vehicle-section {
        padding: 25px;
    }
    
    .warehousing-features,
    .vehicle-features {
        grid-template-columns: 1fr 1fr;
    }
}

/* 加载动画 - 优化版 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.2s ease-out, visibility 0.2s ease-out;
    will-change: opacity, visibility;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1a73e8;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    box-shadow: 0 2px 15px rgba(13, 71, 161, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.97) 0%, rgba(13, 71, 161, 0.97) 100%);
    box-shadow: 0 4px 20px rgba(13, 71, 161, 0.4);
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    flex-wrap: nowrap;
    /* 防止导航栏加载时的抖动 */
    min-height: 104px; /* 80px logo + 24px padding */
}

.logo {
    flex-shrink: 0;
    margin-right: 30px;
}

.logo .logo-img {
    height: 80px;
    width: auto;
    max-width: 200px;
    transition: transform 0.3s ease;
    display: block;
    object-fit: contain;
}

.logo .logo-img:hover {
    transform: scale(1.1);
}

/* Logo设计方案说明：
   
   方案1（当前采用）：更大更突出的Logo
   - Logo高度：80px
   - 位置：左侧突出显示
   - 效果：悬停放大1.1倍
   - 优点：品牌识别度高，视觉冲击力强
   
   方案2：垂直布局方案
   - Logo在上，文字在下
   - Logo高度：60px
   - 居中对齐
   - 优点：适合移动端，结构清晰
   
   方案3：Logo+文字组合方案
   - Logo + 公司名称并排
   - Logo高度：50px
   - 公司名称使用粗体字体
   - 优点：信息完整，品牌+名称双重识别
*/

.nav-menu {
    flex-grow: 1;
    display: flex;
    justify-content: flex-end;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    align-items: center;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
}

.nav-menu li {
    margin-left: 20px;
    position: relative;
    flex-shrink: 0;
}

.nav-menu li.lang-switch {
    margin-left: 25px;
    display: flex;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 10px 16px;
    border-radius: 20px;
    position: relative;
    z-index: 1;
    font-family: 'Arial', sans-serif;
    text-transform: none;
    letter-spacing: 0.3px;
    font-size: 15px;
    white-space: nowrap;
}

/* 视觉平衡调整说明：
   - Logo高度：80px
   - 菜单文字大小：14px（从12px增加）
   - 字重：600（从500增加）
   - 内边距：12px 18px（从8px 12px增加）
   - 圆角：20px（从15px增加）
   - 字母间距：0.8px（从0.5px增加）
   
   视觉比例：Logo : 文字 ≈ 5.7:1，符合现代设计美学
*/

.nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-link.active {
    color: #fff;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.lang-btn {
    padding: 5px 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
}

.lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.25);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.lang-btn i {
    margin: 0;
}

/* 独立的语言切换器 - 确保在所有设备上都能看到 */
.language-switcher-fixed {
    display: flex;
    gap: 8px;
    margin-left: 15px;
    flex-shrink: 0;
}

.language-switcher-fixed .lang-btn {
    padding: 5px 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.language-switcher-fixed .lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.25);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.language-switcher-fixed .lang-btn.active {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

/* 回到顶部按钮 - 回到蓝色，协调统一 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.4);
    transition: all 0.3s ease;
    z-index: 9999;
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 6px 25px rgba(26, 115, 232, 0.5);
    background: linear-gradient(135deg, #0d47a1, #0a3d8b);
}

.back-to-top i {
    margin: 0;
}

/* 平板模式下的回到顶部按钮 */
@media (max-width: 992px) {
    .back-to-top {
        width: 45px;
        height: 45px;
        font-size: 18px;
        bottom: 20px;
        right: 20px;
    }
}

/* 手机模式下的回到顶部按钮 */
@media (max-width: 768px) {
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 16px;
        bottom: 15px;
        right: 15px;
    }
}

/* 轮播样式 */
.hero {
    margin-top: 104px;
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}

.slide.active .slide-content {
    opacity: 1;
    transform: translate(-50%, -50%);
}

.slide-content h1 {
    font-size: 56px;
    font-weight: 900;
    margin-bottom: 15px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
    letter-spacing: 2px;
}

.slide-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 25px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
    letter-spacing: 1px;
}

.slide-content p {
    font-size: 22px;
    margin-bottom: 40px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    letter-spacing: 0.5px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.6);
    transition: transform 8s ease-out;
}

.slide.active .slide-bg {
    transform: scale(1.1);
}

.slide:hover .slide-bg {
    transform: scale(1.15);
}

/* 多种轮播动画效果 */
.slide.animation-fade {
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.slide.animation-fade.active {
    opacity: 1;
}

.slide.animation-slide-left {
    transform: translateX(100%);
    opacity: 0;
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
}

.slide.animation-slide-left.active {
    transform: translateX(0);
    opacity: 1;
}

.slide.animation-slide-right {
    transform: translateX(-100%);
    opacity: 0;
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
}

.slide.animation-slide-right.active {
    transform: translateX(0);
    opacity: 1;
}

.slide.animation-slide-up {
    transform: translateY(100%);
    opacity: 0;
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
}

.slide.animation-slide-up.active {
    transform: translateY(0);
    opacity: 1;
}

.slide.animation-slide-down {
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
}

.slide.animation-slide-down.active {
    transform: translateY(0);
    opacity: 1;
}

.slide.animation-zoom-in {
    transform: scale(0.8);
    opacity: 0;
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
}

.slide.animation-zoom-in.active {
    transform: scale(1);
    opacity: 1;
}

.slide.animation-zoom-out {
    transform: scale(1.2);
    opacity: 0;
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
}

.slide.animation-zoom-out.active {
    transform: scale(1);
    opacity: 1;
}

.slide.animation-flip {
    transform: perspective(1000px) rotateY(-90deg);
    opacity: 0;
    transition: transform 1s ease-in-out, opacity 1s ease-in-out;
}

.slide.animation-flip.active {
    transform: perspective(1000px) rotateY(0);
    opacity: 1;
}

/* 胶囊样式轮播指示器 */
.slider-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}

.slider-indicators .indicator {
    width: 40px;
    height: 10px;
    border-radius: 20px;
    background-color: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: width 0.3s ease, background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.slider-indicators .indicator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    border-radius: 20px;
}

.slider-indicators .indicator.active::before {
    animation: indicatorProgress 4s linear forwards;
}

@keyframes indicatorProgress {
    from { width: 0; }
    to { width: 100%; }
}

.slider-indicators .indicator.active {
    width: 60px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.4);
}

.slider-indicators .indicator:hover {
    background-color: rgba(255, 255, 255, 0.7);
    transform: scale(1.1);
}

.slider-indicators .indicator.active:hover {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
}

.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    z-index: 20;
}

.prev-btn, .next-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prev-btn:hover, .next-btn:hover {
    background-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

/* 通用部分样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #1a73e8;
    transition: width 0.3s ease;
}

.section-header:hover .section-title::after {
    width: 120px;
}

.section-eng {
    font-size: 16px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 产品服务样式 */
.products {
    padding: 80px 0;
    background-color: #fff;
}

.page-content.products-page {
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.page-content.products-page::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(26, 115, 232, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.page-content.products-page::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -120px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(243, 156, 18, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.products-section-intro {
    text-align: center;
    margin-bottom: 50px;
    padding: 0 20px;
}

.products-section-intro h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a73e8;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.products-section-intro h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #1a73e8, #f39c12);
    border-radius: 2px;
}

.products-section-intro p {
    font-size: 16px;
    color: #888;
    max-width: 650px;
    margin: 15px auto 0;
    line-height: 1.8;
}

.service-cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
    margin-bottom: 50px;
}

.special-line-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 35px;
}

.special-line-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #eef2f7;
    transition: all 0.4s ease;
}

.special-line-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(26, 115, 232, 0.12);
    border-color: #1a73e8;
}

.special-line-card .product-image {
    height: 220px;
}

.special-line-content {
    padding: 30px;
}

.special-line-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1a73e8;
    margin-bottom: 12px;
}

.line-subtitle {
    font-size: 13px;
    color: #aaa;
    font-weight: 400;
    margin-left: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.special-line-content p {
    color: #666;
    line-height: 1.8;
    font-size: 15px;
}

.fba-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 30px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    border-radius: 15px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.fba-header::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.fba-header::after {
    content: '';
    position: absolute;
    bottom: -40px;
    left: 20%;
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.fba-header h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.fba-header p {
    font-size: 15px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.fba-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.fba-service-card {
    background: #fff;
    padding: 30px 25px;
    border-radius: 12px;
    border: 1px solid #eef2f7;
    border-left: 4px solid #1a73e8;
    transition: all 0.3s ease;
    position: relative;
}

.fba-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.1);
    border-left-color: #f39c12;
}

.fba-card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #1a73e8;
    margin-bottom: 18px;
    transition: all 0.3s ease;
}

.fba-service-card:hover .fba-card-icon {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    transform: scale(1.1) rotate(5deg);
}

.fba-service-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.fba-service-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fba-service-card li {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
    padding: 4px 0;
    position: relative;
    padding-left: 16px;
}

.fba-service-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    background: #1a73e8;
    border-radius: 50%;
}

.fba-service-card li strong {
    color: #333;
}

.warehousing-section {
    margin-top: 0;
    padding: 45px;
    background: linear-gradient(135deg, #f8fafc 0%, #fff 100%);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #eef2f7;
}

.products-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 10px;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid transparent;
    background-color: #fafafa;
    margin: 0 10px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.tab-btn:hover {
    background-color: #e3f2fd;
    color: #1a73e8;
    transform: translateY(-3px);
    border-color: #1a73e8;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.2);
}

.tab-btn.active {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    border-color: #1a73e8;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.4);
    font-weight: 700;
}

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

.product-card {
    background-color: #f9f9f9;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.product-card.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-card h3 {
    font-size: 20px;
    font-weight: bold;
    margin: 20px;
    color: #333;
}

.product-card p {
    margin: 0 20px 20px;
    color: #666;
    line-height: 1.6;
}

.product-link {
    display: inline-block;
    margin: 0 20px 20px;
    color: #1a73e8;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.product-link:hover {
    color: #1557b0;
    transform: translateX(5px);
    text-shadow: 0 0 10px rgba(26, 115, 232, 0.3);
}

/* 特色服务卡片 */
.product-card.featured {
    border: 3px solid #1a73e8;
    background: linear-gradient(145deg, #fff, #f0f7ff);
    position: relative;
}

.product-card.featured::before {
    content: '热门推荐';
    position: absolute;
    top: 15px;
    right: -5px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    padding: 5px 15px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(26, 115, 232, 0.3);
}

.product-card.featured:hover {
    border-color: #0d47a1;
    box-shadow: 0 15px 40px rgba(26, 115, 232, 0.25);
}

/* 企业优势样式 */
.advantages {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8f9ff 0%, #ffffff 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: #fff;
    padding: 35px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    transform: translateY(30px);
}

.advantage-card.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(26, 115, 232, 0.15);
}

.adv-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
    box-shadow: 0 10px 25px rgba(26, 115, 232, 0.3);
    transition: transform 0.3s ease;
}

.advantage-card:hover .adv-icon {
    transform: scale(1.1) rotate(5deg);
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}

.advantage-card p {
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 关于我们样式 */
.about {
    padding: 80px 0;
    background-color: #fafafa;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
    min-width: 300px;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.5s ease;
}

.about-text.fade-in {
    opacity: 1;
    transform: translateX(0);
}

.about-text p {
    margin-top: 20px;
    color: #666;
    line-height: 1.6;
}

.about-image {
    flex: 1;
    min-width: 300px;
    position: relative;
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.5s ease;
}

.about-image.fade-in {
    opacity: 1;
    transform: translateX(0);
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.5s ease;
}

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

.about-image-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background-color: rgba(26, 115, 232, 0.9);
    color: #fff;
    padding: 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.about-image:hover .about-image-overlay {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.about-image-overlay h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 5px;
}

.about-image-overlay span {
    font-size: 14px;
    opacity: 0.8;
}

/* 咨询服务样式 */
.consultation {
    padding: 60px 0;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
}

.consultation-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 60px;
}

.consultation-info {
    flex: 1;
    min-width: 300px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.consultation-info.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.consultation-info h3 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

.consultation-info p {
    font-size: 18px;
    margin-bottom: 10px;
}

.consultation-btn {
    display: inline-block;
    padding: 15px 35px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.4);
}

.consultation-btn:hover {
    background: linear-gradient(135deg, #0d47a1, #0a3d8b);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.5);
}

.consultation-team {
    flex: 1;
    min-width: 300px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.consultation-team.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.consultation-team img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.5s ease;
}

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

/* 人才招聘样式 */
.talent {
    padding: 80px 0;
    background-color: #fff;
}

/* 新闻资讯样式 */
.news {
    padding: 80px 0;
    background-color: #fafafa;
}

.news-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

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

.news-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.news-card.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.news-image {
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-content {
    padding: 20px;
}

.news-date {
    display: block;
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
    transition: color 0.3s ease;
}

.news-card:hover h3 {
    color: #1a73e8;
}

.news-card p {
    color: #666;
    line-height: 1.6;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #0a1628 0%, #1a2744 40%, #0d1f3c 100%);
    color: #fff;
    padding: 60px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #1a73e8, #f39c12, #1a73e8);
    z-index: 2;
}

.footer-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.12;
    z-index: 0;
}

.footer .container {
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #5dade2;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #1a73e8, transparent);
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    padding-left: 15px;
}

.footer-links a::before {
    content: '>';
    position: absolute;
    left: 0;
    color: #5dade2;
    transition: transform 0.3s ease;
}

.footer-links a:hover {
    color: #5dade2;
    transform: translateX(5px);
}

.footer-links a:hover::before {
    transform: translateX(3px);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    color: #5dade2;
    margin-right: 10px;
}

.footer-qr {
    text-align: center;
}

.footer-qr h4 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-qr h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #1a73e8, transparent);
}

.footer-qr-img {
    width: 90px;
    height: 90px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 4px;
    background: #fff;
    margin: 0 auto 10px;
    transition: all 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.footer-qr-img:hover {
    border-color: #5dade2;
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(93, 173, 226, 0.3);
}

.footer-qr p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    margin-top: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-bottom .beian-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* ICP备案号样式 */
.icp-beian,
.gongan-beian {
    font-size: 13px;
    margin: 0;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.icp-beian a,
.gongan-beian a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.icp-beian a:hover,
.gongan-beian a:hover {
    color: #5dade2;
}

.gongan-beian img {
    width: 18px;
    height: 18px;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    width: 45px;
    height: 45px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-radius: 10px;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s ease;
    z-index: 1001;
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 平板模式响应式设计 */
@media (max-width: 992px) {
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: linear-gradient(180deg, #0d47a1 0%, #1a73e8 100%);
        box-shadow: 2px 0 20px rgba(0, 0, 0, 0.3);
        z-index: 1000;
        transition: left 0.3s ease;
        padding-top: 80px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        display: flex;
        flex-direction: column;
        list-style: none;
        padding: 20px;
        margin: 0;
        gap: 10px;
    }
    
    .nav-menu li {
        margin: 0;
        width: 100%;
    }
    
    .nav-link {
        color: rgba(255, 255, 255, 0.85);
        font-size: 15px;
        padding: 12px 20px;
        display: block;
        border-radius: 10px;
        text-align: left;
    }
    
    .nav-link:hover {
        background: rgba(255, 255, 255, 0.15);
        color: #fff;
    }
    
    .nav-link.active {
        background: rgba(255, 255, 255, 0.2);
        color: #fff;
    }
    
    .logo .logo-img {
        height: 60px;
    }
    
    .language-switcher-fixed {
        margin-right: 10px;
    }
}

/* 手机模式响应式设计 */
@media (max-width: 768px) {
    .hero {
        height: 400px;
    }
    
    .slide-content h1 {
        font-size: 32px;
    }
    
    .slide-content h2 {
        font-size: 24px;
    }
    
    .slide-content p {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .about-content,
    .consultation-content {
        flex-direction: column;
    }
    
    .products-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .service-cards-row {
        grid-template-columns: 1fr;
    }
    
    .special-line-grid {
        grid-template-columns: 1fr;
    }
    
    .fba-service-grid {
        grid-template-columns: 1fr;
    }
    
    .products-section-intro h2 {
        font-size: 24px;
    }
    
    .fba-header {
        padding: 30px 20px;
    }
    
    .fba-header h2 {
        font-size: 22px;
    }
}

/* 滚动触发动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 图片淡入淡出效果 */
img {
    transition: opacity 0.5s ease;
}

img.loaded {
    opacity: 1;
}

img:not(.loaded) {
    opacity: 0;
}

/* 关于页面样式 */
.page-content.about-page {
    padding: 60px 0 80px;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.about-intro {
    text-align: center;
    margin-bottom: 60px;
    padding: 0 20px;
}

.about-intro .section-title {
    margin-bottom: 25px;
}

.about-intro p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
    margin: 0 auto;
}

.about-advantages {
    margin-top: 40px;
}

.about-advantages .advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.about-advantages .advantage-card {
    background: linear-gradient(145deg, #fff, #f8f9ff);
    padding: 40px 30px;
    border: 1px solid #e8ecf3;
}

.about-advantages-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8faff 0%, #fff 100%);
}

.about-advantages-section .section-header {
    text-align: center;
    margin-bottom: 50px;
}

.about-advantages-section .advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.about-advantages-section .advantage-card {
    background: linear-gradient(145deg, #fff, #f8f9ff);
    padding: 40px 30px;
    border: 1px solid #e8ecf3;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.about-advantages-section .advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(26, 115, 232, 0.1);
    border-color: #1a73e8;
}

.about-advantages-section .adv-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #fff;
    transition: transform 0.3s ease;
}

.about-advantages-section .advantage-card:hover .adv-icon {
    transform: scale(1.1) rotate(10deg);
}

.about-advantages-section .advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a73e8;
    margin-bottom: 12px;
}

.about-advantages-section .advantage-card p {
    color: #666;
    line-height: 1.8;
    font-size: 14px;
}

.about-intro-bg {
    position: relative;
    background-image: url('../images/image_04.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    border-radius: 15px;
    overflow: hidden;
    padding: 60px 40px !important;
    margin-bottom: 0 !important;
}

.about-intro-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 71, 161, 0.88), rgba(26, 115, 232, 0.85));
    z-index: 1;
}

.about-intro-bg > * {
    position: relative;
    z-index: 2;
}

.about-intro-bg .section-title {
    color: #fff !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.about-intro-bg p {
    color: rgba(255, 255, 255, 0.95) !important;
    font-size: 17px !important;
    line-height: 2 !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* 页面Banner样式 */
.page-banner {
    margin-top: 104px;
    position: relative;
    height: 300px;
    overflow: hidden;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.5);
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 10;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 60px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.banner-content h1 {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.banner-content span {
    font-size: 14px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 页面内容样式 */
.page-content {
    padding: 60px 0;
    background-color: #fff;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.about-intro {
    margin-bottom: 40px;
}

.about-intro p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
}

.about-section {
    margin-bottom: 40px;
}

.about-section h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.about-section p {
    font-size: 15px;
    line-height: 1.8;
    color: #666;
}

/* 标签页内容样式 */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 新闻更多按钮 */
.news-more {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #f0f0f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 15px;
}

.news-more:hover {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    transform: translateX(5px);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px;
}

.page-btn {
    width: 40px;
    height: 40px;
    border: 1px solid #e0e0e0;
    background: #fff;
    color: #666;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.page-btn:hover {
    border-color: #1a73e8;
    color: #1a73e8;
}

.page-btn.active {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    border-color: #1a73e8;
}

/* 联系我们标签页 */
.contact-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.contact-tabs .tab-btn {
    padding: 12px 30px;
    border: 2px solid transparent;
    background-color: #fafafa;
    margin: 0 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 14px;
}

.contact-tabs .tab-btn:hover {
    background-color: #e3f2fd;
    color: #1a73e8;
    border-color: #1a73e8;
}

.contact-tabs .tab-btn.active {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    border-color: #1a73e8;
}

.contact-tab-btn {
    padding: 14px 35px;
    border: 2px solid #e8ecf3;
    background-color: #fff;
    margin: 0 8px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #666;
}

.contact-tab-btn i {
    font-size: 16px;
}

.contact-tab-btn:hover {
    background-color: #e3f2fd;
    color: #1a73e8;
    border-color: #1a73e8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.2);
}

.contact-tab-btn.active {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    border-color: #1a73e8;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.4);
}

.contact-tab-content {
    margin-top: 40px;
}

.contact-info-panel,
.contact-message-panel {
    display: none;
    animation: contactFadeIn 0.5s ease;
}

.contact-info-panel.active,
.contact-message-panel.active {
    display: block;
}

@keyframes contactFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.contact-qr-section {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #f8faff, #fff);
    border-radius: 15px;
    border: 1px solid #e8ecf3;
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: #fff;
    padding: 45px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.form-header {
    text-align: center;
    margin-bottom: 35px;
}

.form-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a73e8;
    margin-bottom: 8px;
}

.form-header p {
    color: #999;
    font-size: 14px;
}

.contact-form-enhanced .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 0;
}

.contact-form-enhanced .form-group {
    margin-bottom: 20px;
    position: relative;
}

.contact-form-enhanced .form-group.full-width {
    grid-column: 1 / -1;
}

.contact-form-enhanced label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.contact-form-enhanced input,
.contact-form-enhanced textarea,
.contact-form-enhanced select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e8ecf3;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: 'Arial', sans-serif;
    background: #fafafa;
}

.contact-form-enhanced input:focus,
.contact-form-enhanced textarea:focus,
.contact-form-enhanced select:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.1);
    background: #fff;
}

.contact-form-enhanced input.error,
.contact-form-enhanced textarea.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.1);
}

.form-error {
    display: none;
    font-size: 12px;
    color: #e74c3c;
    margin-top: 5px;
}

.form-group.has-error .form-error {
    display: block;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.reset-btn {
    padding: 14px 30px;
    background: #f5f5f5;
    color: #666;
    border: 2px solid #e8ecf3;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.reset-btn:hover {
    background: #eee;
    border-color: #ccc;
}

.form-success {
    text-align: center;
    padding: 60px 30px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
    color: #fff;
    animation: successPop 0.5s ease;
}

@keyframes successPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.form-success h3 {
    font-size: 24px;
    color: #27ae60;
    margin-bottom: 10px;
}

.form-success p {
    color: #666;
    font-size: 15px;
}

/* 平板模式Banner优化 */
@media (max-width: 992px) {
    .page-banner {
        height: 250px;
    }
    
    .banner-content {
        padding: 15px 40px;
    }
    
    .banner-content h1 {
        font-size: 26px;
    }
}

/* 手机模式Banner优化 */
@media (max-width: 768px) {
    .page-banner {
        height: 200px;
    }
    
    .banner-content {
        padding: 12px 30px;
    }
    
    .banner-content h1 {
        font-size: 22px;
    }
    
    .banner-content span {
        font-size: 12px;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .contact-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-tabs .tab-btn {
        width: 200px;
        margin: 5px 0;
    }
}