/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 70px;
    transition: transform 0.3s ease, height 0.3s ease;
    width: 100%;
}

.header.hidden {
    transform: translateY(-100%);
}

.header .container {
    width: 100%;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    width: 100%;
}

.logo-section {
    display: flex;
    align-items: center;
}

.logo {
    margin-right: 10px;
}

.logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.company-name {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.company-slogan {
    font-size: 12px;
    color: #666;
    margin: 0;
}

/* 导航菜单 */
.main-nav {
    display: flex;
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav li {
    position: relative;
}

.main-nav a {
    color: #333;
    text-decoration: none !important;
    font-size: 14px;
    padding: 10px 0;
    display: block;
    transition: color 0.3s;
}

.main-nav a:hover,
.main-nav a.active {
    color: #0066cc;
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    padding: 8px 20px;
    font-size: 14px;
}

/* 联系电话 */
.contact-phone {
    display: flex;
    align-items: center;
}

.phone-btn {
    background-color: #0066cc;
    color: white !important;
    text-decoration: none !important;
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
}

.phone-btn:hover {
    background-color: #0052a3;
}

/* 移动端菜单 */
.mobile-menu {
    position: relative;
    display: none;
}

.more-btn {
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
}

.more-btn img {
    width: 25px;
    height: 25px;
    object-fit: contain;
}

/* 移动端下拉菜单 */
.mobile-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    height: 0;
    overflow: hidden;
}

.mobile-dropdown.show {
    opacity: 1;
    visibility: visible;
    height: auto;
}

.mobile-dropdown ul {
    padding: 0;
    margin: 0;
    text-align: center;
}

.mobile-dropdown li {
    margin: 0;
}

.mobile-dropdown a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.2s ease;
    text-align: center;
}

.mobile-dropdown a:hover {
    background-color: #f5f5f5;
    color: #0066cc;
}

.mobile-dropdown .phone-btn {
    margin: 5px 10px;
}

/* 横幅区域 */
.banner {
    height: 400px;
    display: flex;
    align-items: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

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

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.banner-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: left;
    width: 100%;
}

.banner h1 {
    font-size: 28px;
    margin-bottom: 15px;
    line-height: 1.3;
    color: #ffffff;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.banner p {
    font-size: 14px;
    margin-bottom: 25px;
    line-height: 1.8;
    color: #ffffff;
    opacity: 0.9;
    letter-spacing: 0.3px;
    margin-top: 0;
    max-width: 800px;
    word-break: break-word;
}

.banner-buttons {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

/* 按钮通用样式 */
.btn {
    display: inline-block;
    padding: 16px 30px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #0066cc;
    color: #fff;
}

.btn-primary:hover {
    background-color: #0052a3;
}

/* 大尺寸了解更多按钮样式 */
.more-btn-large {
    padding: 20px 35px !important;
    font-size: 16px !important;
    font-weight: bold !important;
    min-height: 60px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.btn-secondary {
    background-color: #ffffff;
    color: #0066cc;
}

.btn-secondary:hover {
    background-color: #f0f7ff;
}

.btn-danger {
    background-color: #ff4444;
    color: #fff;
}

/* 关于我们 */
.about-section {
    padding: 80px 0 20px;
    background-color: #f8f9fa;
}

.about-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: left;
}

.about-section h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
    position: relative;
}

.about-section h2::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #0066cc;
}

.section-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    text-align: center;
    margin: 30px auto 50px;
    max-width: 800px;
    padding: 0 20px;
}

.about-content {
    margin-top: 50px;
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.about-left {
    width: 50%;
    padding-right: 20px;
}

.about-left p {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-left h3 {
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
    font-weight: bold;
}

.about-list {
    padding: 0;
    margin: 0 0 40px 0;
}

.about-list li {
    font-size: 16px;
    color: #333;
    margin-bottom: 25px;
    padding-left: 40px;
    position: relative;
    line-height: 1.6;
    min-height: 36px;
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
}

.about-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    width: 20px;
    height: 20px;
    background-color: #0066cc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: bold;
    line-height: 1;
}

.about-section .about-left .about-list li strong {
    font-weight: bold;
    color: #000000 !important;
    margin-right: 5px;
    display: inline-block;
}

.about-list li p {
    font-size: 16px;
    margin: 2px 0 0 0;
    line-height: 1.6;
    color: #666;
}

.about-left .btn-primary {
    display: inline-block !important;
    margin: 0 !important;
    padding: 16px 30px !important;
    font-size: 16px !important;
    max-width: none !important;
    text-align: center !important;
    background-color: #0066cc;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.about-left .btn-primary:hover {
    background-color: #0052a3;
}

.about-right {
    width: 50%;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-height: 500px;
}

.about-right img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.experience-year {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background-color: #0066cc;
    color: white;
    padding: 15px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}

.experience-year span:first-child {
    font-size: 32px;
    line-height: 1;
}

.customer-satisfaction {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: white;
    color: #333;
    padding: 15px 20px;
    border-radius: 6px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.customer-satisfaction .percentage {
    font-size: 32px;
    font-weight: bold;
    color: #0066cc;
    display: block;
}

.customer-satisfaction .label {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

/* 单号查询弹窗 */
.track-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.track-modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
}

.track-modal-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
}

.track-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.track-header-left,
.track-header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.modal-title {
    margin: 0;
    color: #333;
    font-size: 18px;
    font-weight: 500;
}

.language-select {
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background-color: #fff;
}

.history-btn {
    background: none;
    border: none;
    color: #0066cc;
    font-size: 14px;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.history-btn:hover {
    background-color: #f0f7ff;
}

.close {
    color: #aaa;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close:hover {
    color: #333;
}

.input-container {
    position: relative;
    margin-bottom: 20px;
}

.input-container textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.clear-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    font-size: 20px;
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.clear-btn.visible {
    display: flex;
}

.clear-btn:hover {
    background-color: #f0f0f0;
    color: #333;
}

.track-modal-body textarea:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

.track-buttons {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
}

.track-buttons .btn {
    flex: 1;
    padding: 12px;
    font-size: 16px;
    border-radius: 0;
    font-weight: 500;
}

.track-buttons #queryBtn {
    border-radius: 4px 0 0 4px;
}

.track-buttons #clearBtn {
    border-radius: 0 4px 4px 0;
}

.track-buttons .btn:hover {
    opacity: 0.9;
}

.search-history {
    border-top: 1px solid #eee;
    padding-top: 15px;
    display: none;
}

.search-history.show {
    display: block;
}

.search-history ul {
    max-height: 150px;
    overflow-y: auto;
}

.search-history li {
    padding: 10px 15px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
    color: #333;
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-history li:hover {
    background-color: #f5f5f5;
}

.search-history li:last-child {
    border-bottom: none;
}

/* 服务部分 */
.services-section {
    padding: 60px 0;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

.services-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1200px;
    height: auto;
    object-fit: contain;
    object-position: center center;
    z-index: 0;
    opacity: 0.1;
}

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

.services-content {
    text-align: center;
    margin-bottom: 60px;
}

.services-content h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
    position: relative;
    display: inline-block;
}

.services-content h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #0066cc;
}

.section-desc {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.service-item {
    background-color: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.service-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-image {
    height: 160px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.service-content {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
    display: flex;
    align-items: center;
    font-weight: bold;
}

.service-content h3 img {
    margin-right: 10px;
    width: 40px;
    height: 40px;
}

.service-content p {
    font-size: 13px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
    flex: 1;
    text-align: left;
}

.service-content ul {
    padding: 0;
    margin: 0 0 15px 0;
    text-align: left;
}

.service-content li {
    font-size: 13px;
    color: #333;
    margin-bottom: 5px;
    padding-left: 20px;
    position: relative;
    line-height: 1.4;
}

.service-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0066cc;
    font-weight: bold;
    font-size: 16px;
}

.service-btn {
    background: none;
    border: none;
    color: #0066cc;
    font-size: 14px;
    cursor: pointer;
    padding: 0;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s;
    text-decoration: none;
    margin: 0;
}

.service-btn:hover {
    color: #0052a3;
}

.service-btn::after {
    content: '→';
    font-size: 16px;
    transition: transform 0.3s;
}

.service-btn:hover::after {
    transform: translateX(3px);
}

.services-more {
    text-align: center;
}

/* 优势部分 */
.advantages-section {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.advantages-section h3 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
}

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

.advantage-item {
    text-align: center;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.advantage-icon {
    margin-bottom: 20px;
}

.advantage-icon img {
    width: 48px;
    height: 48px;
}

.advantage-item h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.advantage-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 案例部分 */
.cases-section {
    padding: 80px 0;
    background-color: #fff;
}

.cases-section h3 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
}

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

.case-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

.case-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-info {
    padding: 20px;
}

.case-info h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.case-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 合作伙伴 */
.partners-section {
    padding: 80px 0;
    background-color: #fff;
}

.partners-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 10px;
    color: #333;
    position: relative;
}

.partners-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #0066cc;
}

.partners-description {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 30px;
    align-items: center;
    justify-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.partner-item {
    width: 100%;
    display: flex;
    justify-content: center;
}

.partner-logo {
    width: 120px;
    height: 80px;
    background-color: #f5f5f5;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo img {
    width: 100%;
    max-width: 100px;
    max-height: 60px;
    object-fit: contain;
}

/* 联系部分 */
.contact-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
    font-weight: bold;
    padding-left: 0;
}

.contact-section .section-description {
    margin-bottom: 50px;
    max-width: 100%;
    text-align: center;
    padding-left: 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

/* 联系信息 */
.contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 0;
}

.contact-icon {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: #e6f0fa;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.contact-text {
    flex: 1;
}

.contact-text h4 {
    font-size: 16px;
    color: #333;
    margin: 0;
    font-weight: 600;
}

.contact-text p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin: 2px 0 0 0;
}

/* 社交媒体图标 */
.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    justify-content: flex-start;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #e6f0fa;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.social-icon:hover {
    background-color: #0066cc;
    color: white;
}

/* 表单部分 */
.contact-form {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-form h3 {
    text-align: left;
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.contact-form label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
    font-weight: 500;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
    background-color: white;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form .input-container textarea:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    width: 100%;
    padding: 12px 20px;
    background-color: #0066cc;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-submit:hover {
    background-color: #0052a3;
}

/* 仓库部分样式 */
.warehouse-section {
    padding: 80px 0;
    background-color: #fff;
}

.warehouse-section h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
    position: relative;
}

.warehouse-section h2::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #0066cc;
}

.warehouse-content {
    margin-top: 50px;
}

.warehouse-main {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    align-items: center;
}

.warehouse-image {
    flex: 1;
}

.warehouse-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.warehouse-info {
    flex: 1;
}

/* 统计数据 */
.warehouse-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: #0066cc;
    margin-bottom: 10px;
}

.stat-label {
    display: block;
    font-size: 16px;
    color: #666;
}

/* 功能特性 */
.warehouse-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.feature-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-logo img {
    width: 100px;
    height: 80px;
    margin-bottom: 20px;
}

.footer-desc p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #ccc;
    max-width: 250px;
}

.footer-bg img {
    max-width: 100%;
    height: auto;
    margin-top: 10px;
}

.footer-middle {
    display: flex;
    gap: 60px;
}

.footer-links,
.footer-services {
    flex: 1;
}

.footer-links h3,
.footer-services h3,
.footer-contact h3,
.footer-qr h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-links li,
.footer-services li,
.footer-contact li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-services a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 14px;
}

.footer-links a:hover,
.footer-services a:hover {
    color: #0066cc;
}

.footer-contact ul {
    margin-bottom: 25px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: #ccc;
}

.footer-contact li img {
    margin-top: 2px;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-social .social-item {
    width: 40px;
    height: 40px;
    background-color: #444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.footer-social .social-item:hover {
    background-color: #0066cc;
}

.footer-social .social-item img {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

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

.qr-placeholder {
    width: 120px;
    height: 120px;
    background-color: #fff;
    margin: 0 auto 15px;
}

.footer-qr p {
    font-size: 14px;
    margin-bottom: 5px;
}

.footer-qr .qr-link {
    font-size: 14px;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 14px;
    color: #ccc;
}

.footer-policy {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-policy a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-policy a:hover {
    color: #0066cc;
}

/* 响应式设计 - 平板 */
@media (max-width: 768px) {
    /* 导航栏 */
    .header {
        height: 60px !important;
        position: relative !important;
        transform: translateY(0) !important;
        overflow: visible;
    }
    
    .header.hidden {
        transform: translateY(0) !important;
    }
    
    .header .container {
        padding: 0 10px !important;
    }
    
    .header-content {
        justify-content: flex-start !important;
        height: 60px !important;
        padding-right: 60px;
        position: relative;
        z-index: 1001;
    }
    
    .main-nav, .contact-phone {
        display: none !important;
    }
    
    .mobile-menu {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1001;
    }
    
    .logo img {
        width: 40px;
        height: 40px;
    }
    
    .company-name {
        font-size: 14px;
    }
    
    .company-slogan {
        font-size: 11px;
    }
    
    .logo-section {
        margin-right: auto;
        margin-left: 0;
        padding-left: 0;
    }
    
    .logo-text {
        margin-left: 10px;
    }
    
    .mobile-dropdown {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        width: 100vw;
    }
    
    /* 横幅 */
    .banner {
        height: 350px;
        margin-top: 0;
    }
    
    .banner h1 {
        font-size: 24px;
    }
    
    .banner p {
        font-size: 13px;
    }
    
    .banner-buttons {
        gap: 10px;
    }
    
    /* 关于我们 */
    .about-section {
        padding: 40px 0;
    }
    
    .about-section h2 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .section-description {
        font-size: 14px;
        margin: 20px auto 30px;
        line-height: 1.6;
    }
    
    .about-content {
        flex-direction: column;
        gap: 30px;
        margin-top: 30px;
    }
    
    .about-left,
    .about-right {
        width: 100%;
    }
    
    .about-left h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .about-left p {
        font-size: 14px;
        margin-bottom: 20px;
        line-height: 1.6;
    }
    
    .about-list {
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .about-list li {
        font-size: 12px;
        margin-bottom: 0;
        padding-left: 25px;
        padding-right: 15px;
        min-height: auto;
        line-height: 1.4;
    }
    
    .about-section .about-left .about-list li strong {
        font-size: 12px;
        display: inline;
    }
    
    .about-list li p {
        font-size: 12px;
        line-height: 1.4;
    }
    
    /* 服务部分 */
    .services-section {
        background-size: contain;
        padding: 40px 0;
    }
    
    .services-content h2 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .section-desc {
        font-size: 14px;
        margin-bottom: 30px;
        line-height: 1.6;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 30px;
    }
    
    .service-content h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }
    
    .service-content h3 img {
        width: 40px;
        height: 40px;
        margin-bottom: 8px;
    }
    
    .service-content p {
        font-size: 12px;
        margin-bottom: 15px;
        line-height: 1.5;
    }
    
    .service-content ul {
        margin-bottom: 15px;
    }
    
    .service-content ul li {
        font-size: 12px;
        line-height: 1.4;
        margin-bottom: 5px;
    }
    
    .service-btn {
        font-size: 12px;
        padding: 8px 16px;
    }
    
    /* 合作伙伴 */
    .partners-section {
        padding: 40px 0;
    }
    
    .partners-section h2 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .partners-description {
        font-size: 14px;
        margin-bottom: 30px;
        line-height: 1.6;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 20px;
        max-width: 100%;
        padding: 0 20px;
    }
    
    .partner-logo {
        width: 80px;
        height: 50px;
    }
    
    .partner-logo img {
        max-width: 60px;
        max-height: 40px;
    }
    
    /* 联系我们 */
    .contact-section {
        padding: 20px 0;
    }
    
    .contact-section h2 {
        font-size: 20px;
        margin-bottom: 10px;
        text-align: center;
        padding-left: 0;
    }
    
    .contact-section .section-description {
        font-size: 13px;
        margin-bottom: 20px;
        line-height: 1.5;
        text-align: center;
        padding-left: 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-info {
        gap: 10px;
        text-align: center;
        justify-items: center;
        display: grid;
        grid-template-columns: 1fr;
    }
    
    .contact-item {
        gap: 8px;
        margin-bottom: 0;
        padding: 10px;
        justify-content: center;
        align-items: center;
        display: flex;
        flex-direction: row;
        background-color: transparent;
        border-radius: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .contact-icon {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .contact-text {
        text-align: left;
        width: auto;
        flex: 1;
    }
    
    .social-icons {
        justify-content: center;
        margin-top: 15px;
        gap: 10px;
    }
    
    .contact-icon {
        width: 30px;
        height: 30px;
    }
    
    .contact-icon img {
        width: 16px;
        height: 16px;
    }
    
    .contact-text h4 {
        font-size: 14px;
        margin-bottom: 1px;
    }
    
    .contact-text p {
        font-size: 11px;
        line-height: 1.4;
        margin: 0;
    }
    
    .contact-form {
        padding: 15px;
    }
    
    .contact-form h3 {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .form-row {
        gap: 15px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group label {
        font-size: 12px;
        margin-bottom: 6px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 14px;
        padding: 10px 12px;
    }
    
    ::placeholder {
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .submit-btn {
        font-size: 14px;
        padding: 10px 20px;
    }
    
    /* 仓库部分 */
    .warehouse-section {
        padding: 40px 0;
    }
    
    .warehouse-section h2 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .warehouse-section h2::after {
        bottom: -15px;
    }
    
    .warehouse-content {
        margin-top: 30px;
    }
    
    .warehouse-main {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .warehouse-image,
    .warehouse-info {
        width: 100%;
        text-align: center;
    }
    
    .warehouse-info h3 {
        font-size: 20px;
        margin-bottom: 15px;
    }
    
    .warehouse-info p {
        font-size: 14px;
        margin-bottom: 20px;
        line-height: 1.6;
    }
    
    .warehouse-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-bottom: 30px;
    }
    
    .stat-item {
        padding: 15px;
    }
    
    .stat-number {
        font-size: 24px;
        margin-bottom: 8px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .warehouse-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-bottom: 30px;
    }
    
    .feature-item {
        padding: 15px;
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 15px;
    }
    
    .feature-icon img {
        width: 40px;
        height: 40px;
    }
    
    .feature-content h3 {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .feature-content p {
        font-size: 12px;
        line-height: 1.5;
    }
    
    .warehouse-content .btn-primary {
        margin: 0 auto;
        display: block;
        font-size: 14px;
        padding: 10px 20px;
    }
    
    /* 通用区块 */
    .services-section,
    .advantages-section,
    .cases-section,
    .partners-section,
    .contact-section,
    .footer {
        padding: 50px 0;
    }
    
    .services-section h2,
    .advantages-section h3,
    .cases-section h3,
    .partners-section h3,
    .contact-section h3 {
        font-size: 24px;
    }
    
    /* 手机端联系我们标题和描述 */
    .contact-section h2 {
        font-size: 22px;
        padding-left: 0;
        text-align: center;
    }
    
    .contact-section .section-description {
        padding-left: 0;
        text-align: center;
    }
    
    /* 页脚 */
    .footer {
        padding: 10px 0 5px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 5px;
        margin-bottom: 5px;
    }
    
    .footer-left {
        text-align: center;
    }
    
    .footer-logo {
        margin: 0 auto 2px;
    }
    
    .footer-logo img {
        width: 70px;
        height: 50px;
    }
    
    .footer-services {
        display: none;
    }
    
    .footer-desc p {
        text-align: center;
        margin-bottom: 5px;
        max-width: 100%;
    }
    
    .footer-links {
        text-align: center;
        margin-bottom: 5px;
    }
    
    .footer-links h3, 
    .footer-contact h3, 
    .footer-qr h3 {
        text-align: center;
        margin-bottom: 5px;
    }
    
    .footer-links ul {
        padding-left: 0;
    }
    
    .footer-links li {
        margin-bottom: 2px;
    }
    
    .footer-contact {
        text-align: center;
        margin-bottom: 5px;
    }
    
    .footer-contact li {
        justify-content: center;
        margin-bottom: 3px;
    }
    
    .footer-bg {
        display: none;
    }
    
    .footer-middle {
        flex-direction: column;
        gap: 5px;
    }
    
    .footer-bottom {
        justify-content: center;
        text-align: center;
        padding-top: 10px;
        gap: 5px;
        flex-direction: column;
    }
}

/* 响应式设计 - 手机 */
@media (max-width: 480px) {
    /* 横幅 */
    .banner {
        height: 280px;
    }
    
    .banner h1 {
        font-size: 20px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    /* 合作伙伴 */
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
        max-width: 100%;
    }
    
    .partner-logo {
        width: 70px;
        height: 45px;
    }
    
    .partner-logo img {
        max-width: 50px;
        max-height: 35px;
    }
    
    /* 表单 */
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .contact-item {
        margin-bottom: 5px;
    }
    
    .qr-code {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    /* 关于我们 */
    .about-section {
        padding: 40px 0;
    }
    
    .about-content {
        margin-top: 30px;
        gap: 30px;
    }
    
    .about-left p {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .about-left h3 {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .about-list li {
        font-size: 14px;
        padding-left: 45px;
        margin-bottom: 12px;
    }
    
    .about-list li::before {
        width: 25px;
        height: 25px;
    }
    
    .about-right {
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    }
    
    .customer-satisfaction,
    .experience-year {
        padding: 10px 15px;
        font-size: 12px;
    }
    
    .customer-satisfaction .percentage,
    .experience-year span:first-child {
        font-size: 24px;
    }
    
    /* 导航栏 */
    .main-nav ul {
        gap: 10px;
    }
    
    .main-nav a {
        font-size: 12px;
    }
    
    .company-name {
        font-size: 14px;
    }
    
    .company-slogan {
        font-size: 10px;
    }
    
    .phone-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    /* 通用网格 */
    .services-grid,
    .advantages-grid,
    .cases-slider,
    .partners-grid,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* 在线下单页面样式 */

/* 订单系统区域 */
.order-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.order-header {
    text-align: center;
    margin-bottom: 60px;
}

.order-header h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
    font-weight: bold;
}

.order-subtitle {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

/* 下单系统网格 */
.order-systems {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 单个下单系统卡片 */
.order-system-card {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.order-system-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.order-system-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background-color: #f0f0f0;
}

.order-system-content {
    padding: 25px;
}

.order-system-content h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 15px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}

.order-system-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
}

.order-system-btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: center;
}

/* 不同系统的按钮颜色 */
.order-system-btn.primary {
    background-color: #0066cc;
    color: #fff;
}

.order-system-btn.primary:hover {
    background-color: #0052a3;
}

.order-system-btn.secondary {
    background-color: #ff4500;
    color: #fff;
}

.order-system-btn.secondary:hover {
    background-color: #cc3700;
}

.order-system-btn.tertiary {
    background-color: #008000;
    color: #fff;
}

.order-system-btn.tertiary:hover {
    background-color: #006400;
}

/* 响应式设计 - 平板 (768px) */
@media (max-width: 768px) {
    .order-section {
        padding: 40px 0;
    }
    
    .order-header {
        margin-bottom: 40px;
    }
    
    .order-header h2 {
        font-size: 28px;
    }
    
    .order-subtitle {
        font-size: 16px;
    }
    
    .order-systems {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 20px;
    }
    
    .order-system-image {
        height: 200px;
    }
    
    .order-system-content {
        padding: 20px;
    }
    
    .order-system-content h3 {
        font-size: 20px;
    }
    
    .order-system-content p {
        font-size: 15px;
        margin-bottom: 20px;
    }
    
    .order-system-btn {
        padding: 10px 25px;
        font-size: 15px;
    }
}

/* 响应式设计 - 手机 (480px) */
@media (max-width: 480px) {
    .order-section {
        padding: 30px 0;
    }
    
    .order-header {
        margin-bottom: 30px;
    }
    
    .order-header h2 {
        font-size: 24px;
    }
    
    .order-subtitle {
        font-size: 14px;
    }
    
    .order-systems {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }
    
    .order-system-image {
        height: 180px;
    }
    
    .order-system-content {
        padding: 15px;
    }
    
    .order-system-content h3 {
        font-size: 18px;
    }
    
    .order-system-content p {
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .order-system-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

/* 第二张图片区域 */
.second-image-section {
    padding: 60px 0;
    background-color: #fff;
}

.second-image {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 - 平板 */
@media (max-width: 768px) {
    .second-image-section {
        padding: 40px 0;
    }
    
    .second-image {
        max-height: 400px;
        border-radius: 6px;
    }
}

/* 响应式设计 - 手机 */
@media (max-width: 480px) {
    .second-image-section {
        padding: 30px 0;
    }
    
    .second-image {
        max-height: 300px;
        border-radius: 4px;
    }
}