/* Main Styles for A-Plus Logistics Website */

/* Base Styles */
:root {
    --primary-color: #0056b3;
    --secondary-color: #004494;
    --accent-color: #ff9800;
    --text-color: #333;
    --light-text: #fff;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

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

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

a:hover {
    color: var(--secondary-color);
}

/* 触摸设备上的链接反馈 */
@media (hover: none) {
    a:active {
        color: var(--secondary-color);
    }
    
    .footer-column a,
    .main-nav a {
        padding: 8px 0;
        display: inline-block;
    }
}

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

/* Language Handling */
.zh {
    display: none;
}

body.zh-mode .zh {
    display: block;
}

body.zh-mode .en {
    display: none;
}

/* 移动菜单打开时的样式 */
body.menu-open {
    overflow: hidden;
}

/* Header Styles */
header {
    background-color: #fff;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.main-nav {
    display: flex;
    list-style: none;
}

.main-nav li {
    margin-left: 30px;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
}

.main-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.language-switch a {
    padding: 5px 10px;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    color: var(--primary-color);
}

.language-switch a:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 2px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/images/banner1.DlDMeLiQ_ZjYhlR.CNLj9BAH.jpg');
    background-size: cover;
    background-position: center;
    color: var(--light-text);
    padding: 150px 0 100px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

/* 触摸设备上的按钮反馈 */
@media (hover: none) {
    .btn:active {
        transform: scale(0.96);
    }
}

.primary-btn {
    background-color: var(--primary-color);
    color: #fff;
}

.primary-btn:hover {
    background-color: var(--secondary-color);
    color: #fff;
}

.secondary-btn {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.secondary-btn:hover {
    background-color: #fff;
    color: var(--primary-color);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.home-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background-color: var(--light-bg);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

/* 触摸设备上的服务卡片反馈 */
@media (hover: none) {
    .service-card:active {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    /* 增强小屏幕上的触摸目标区域 */
    .service-card .read-more {
        display: inline-block;
        padding: 8px 12px;
        margin: 5px -12px -8px;
    }
}

.service-card .icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    margin-bottom: 20px;
    color: #666;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-block;
    position: relative;
}

.read-more::after {
    content: '→';
    margin-left: 5px;
    transition: var(--transition);
}

.read-more:hover::after {
    margin-left: 10px;
}

/* Why Choose Us Section */
.why-choose-us {
    background-color: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.feature .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Exhibition News Section */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.news-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background-color: #fff;
    transition: var(--transition);
}

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

/* 触摸设备上的新闻卡片反馈 */
@media (hover: none) {
    .news-card:active {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .news-content h3 {
        font-size: 1.1rem;
    }
    
    .news-content {
        padding: 15px;
    }
}

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

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.news-content {
    padding: 20px;
}

.news-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.view-all {
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo {
    flex: 0 0 100%;
    max-width: 300px;
    margin-bottom: 30px;
}

.footer-logo h3 {
    margin-bottom: 15px;
    color: #fff;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    flex: 1;
    justify-content: space-between;
}

.footer-column {
    flex: 0 0 auto;
    margin-bottom: 30px;
    min-width: 200px;
}

.footer-column h4 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

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

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

.footer-column a {
    color: #ccc;
}

.footer-column a:hover {
    color: #fff;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
}

.contact-info i {
    margin-right: 10px;
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
        z-index: 1000;
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .main-nav li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }
    
    .main-nav a {
        display: block;
        padding: 10px 0;
    }
    
    .language-switch {
        margin-top: 10px;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .service-flex {
        flex-direction: column;
    }
    
    .service-image, .service-details {
        flex: 0 0 100%;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }

}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .feature {
        flex-direction: column;
    }
}

/* 企业文化部分样式 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.culture-item {
    display: flex;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.icon-circle {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0056b3, #007bff);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.icon-circle i {
    color: white;
    font-size: 24px;
}

.culture-content {
    flex-grow: 1;
}

.culture-item h3 {
    color: #333;
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 20px;
}

.culture-item p {
    color: #666;
    margin: 0;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .culture-item {
        padding: 20px;
    }

    .home-services-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 40px;
    }
}

@media (max-width: 576px) {
    .culture-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 15px;
    }
    
    .icon-circle {
        margin-right: 0;
        margin-bottom: 15px;
    }

}