/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

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

.logo-text h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0;
}

.logo-subtitle {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #007aff;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #007aff;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-phone {
    color: #007aff;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    padding: 8px 16px;
    border: 2px solid #007aff;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-phone:hover {
    background: #007aff;
    color: white;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #1a1a1a;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页面 */
main {
    margin-top: 70px;
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-pattern {
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    margin-bottom: 30px;
}

.title-main {
    display: block;
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 10px;
}

.title-sub {
    display: block;
    font-size: 32px;
    font-weight: 600;
    opacity: 0.9;
}

.hero-description {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-description strong {
    color: #ffd700;
    font-weight: 600;
}

.hero-features {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 500;
}

.feature-icon {
    font-size: 20px;
}

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

.btn {
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    border: 2px solid transparent;
}

.btn-primary {
    background: #007aff;
    color: white;
    border-color: #007aff;
}

.btn-primary:hover {
    background: #0056b3;
    border-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.3);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border-color: white;
}

.btn-secondary:hover {
    background: transparent;
    color: white;
    border-color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: white;
    color: #667eea;
    border-color: white;
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    height: 500px;
}

.logistics-animation {
    position: relative;
    width: 100%;
    height: 100%;
}

.world-map {
    position: relative;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.country-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #ffd700;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    cursor: pointer;
}

.country-point::after {
    content: attr(data-country);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.country-point:hover::after {
    opacity: 1;
}

.usa { top: 25%; left: 20%; animation-delay: 0s; }
.canada { top: 15%; left: 25%; animation-delay: 0.3s; }
.uk { top: 20%; left: 50%; animation-delay: 0.6s; }
.germany { top: 25%; left: 55%; animation-delay: 0.9s; }
.france { top: 30%; left: 52%; animation-delay: 1.2s; }
.italy { top: 40%; left: 55%; animation-delay: 1.5s; }
.china { top: 35%; left: 75%; animation-delay: 1.8s; }

.route-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.route-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.8), transparent);
    animation: routeFlow 3s ease-in-out infinite;
}

.route-1 {
    top: 30%;
    left: 75%;
    width: 25%;
    transform: rotate(-15deg);
    animation-delay: 0s;
}

.route-2 {
    top: 25%;
    left: 20%;
    width: 30%;
    transform: rotate(10deg);
    animation-delay: 1s;
}

.route-3 {
    top: 40%;
    left: 50%;
    width: 20%;
    transform: rotate(-5deg);
    animation-delay: 2s;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

@keyframes routeFlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* 核心服务 */
.services {
    padding: 120px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

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

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007aff, #34c759);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

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

.service-icon {
    margin-bottom: 25px;
}

.service-icon-img {
    width: 64px;
    height: 64px;
}

.service-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.service-card p {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 25px;
}

.service-features li {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #34c759;
    font-weight: bold;
}

.service-link {
    color: #007aff;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: #0056b3;
}

/* 服务优势 */
.advantages {
    padding: 120px 0;
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.advantage-item {
    display: flex;
    gap: 20px;
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    background: #f8f9fa;
    transform: translateY(-5px);
}

.advantage-icon {
    flex-shrink: 0;
}

.icon-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007aff, #34c759);
    color: white;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 700;
}

.advantage-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.advantage-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* 热门优势线路 */
.routes {
    padding: 120px 0;
    background: #f8f9fa;
}

.routes-content {
    max-width: 1000px;
    margin: 0 auto;
}

.routes-categories {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 12px 24px;
    border: 2px solid #e5e5e7;
    background: white;
    color: #1a1a1a;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn.active,
.category-btn:hover {
    background: #007aff;
    color: white;
    border-color: #007aff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.routes-grid {
    position: relative;
}

.route-category {
    display: none;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.route-category.active {
    display: grid;
}

.route-item {
    background: white;
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.route-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.route-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.route-item p {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
}

.route-tag {
    display: inline-block;
    background: #007aff;
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* 关于我们 */
.about {
    padding: 120px 0;
    background: white;
}

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

.about-text h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 30px;
    color: #1a1a1a;
}

.about-text p {
    font-size: 18px;
    color: #666;
    margin-bottom: 50px;
    line-height: 1.7;
}

.stats {
    display: flex;
    gap: 60px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 48px;
    font-weight: 800;
    color: #007aff;
    margin-bottom: 10px;
}

.stat p {
    font-size: 16px;
    color: #666;
    margin: 0;
}

.about-visual {
    position: relative;
    height: 400px;
}

.world-map {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.map-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.map-point:nth-child(1) { animation-delay: 0s; }
.map-point:nth-child(2) { animation-delay: 0.5s; }
.map-point:nth-child(3) { animation-delay: 1s; }
.map-point:nth-child(4) { animation-delay: 1.5s; }
.map-point:nth-child(5) { animation-delay: 2s; }

/* 联系我们 */
.contact {
    padding: 120px 0;
    background: #f8f9fa;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #1a1a1a;
}

.contact-item p {
    font-size: 16px;
    color: #666;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e5e5e7;
    border-radius: 12px;
    font-size: 16px;
    margin-bottom: 20px;
    background: white;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #007aff;
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚 */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 80px 0 40px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section h3 {
    font-size: 24px;
}

.footer-section h4 {
    font-size: 18px;
}

.footer-section p {
    color: #999;
    margin-bottom: 10px;
}

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

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

.footer-section ul li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 40px;
    text-align: center;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .nav-actions {
        gap: 10px;
    }
    
    .nav-phone {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .title-main {
        font-size: 42px;
    }
    
    .title-sub {
        font-size: 24px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-features {
        justify-content: center;
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stats {
        justify-content: center;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .routes-categories {
        justify-content: center;
    }
    
    .route-category {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .title-main {
        font-size: 32px;
    }
    
    .title-sub {
        font-size: 20px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .about-text h2 {
        font-size: 36px;
    }
    
    .about-text p {
        font-size: 16px;
    }
    
    .stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}

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

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

/* 页面特定样式 */
.page-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.page-hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.page-hero-content p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* 服务详情页面样式 */
.service-details {
    padding: 80px 0;
}

.service-overview {
    text-align: center;
    margin-bottom: 80px;
}

.service-overview h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.service-overview p {
    font-size: 18px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 路线卡片样式 */
.route-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

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

.route-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
}

.route-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.route-features {
    list-style: none;
    margin-bottom: 20px;
}

.route-features li {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.route-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #34c759;
    font-weight: bold;
}

.route-price {
    margin-bottom: 20px;
}

.price-label {
    color: #666;
    font-size: 14px;
}

.price-value {
    color: #007aff;
    font-size: 18px;
    font-weight: 600;
    margin-left: 10px;
}

/* 流程步骤样式 */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007aff, #34c759);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.step-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* CTA区域样式 */
.cta-section {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.cta-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
}

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

/* 导航栏活动状态 */
.nav-menu a.active {
    color: #007aff;
}

.nav-menu a.active::after {
    width: 100%;
}

/* 文章页面样式 */
.article-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.article-breadcrumb {
    margin-bottom: 20px;
    font-size: 14px;
    opacity: 0.8;
}

.article-breadcrumb a {
    color: white;
    text-decoration: none;
}

.article-breadcrumb a:hover {
    text-decoration: underline;
}

.article-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.article-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
}

.article-meta {
    display: flex;
    gap: 30px;
    font-size: 14px;
    opacity: 0.8;
}

.article-content {
    padding: 80px 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: start;
}

.main-content {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.main-content h2 {
    font-size: 28px;
    font-weight: 600;
    margin: 40px 0 20px;
    color: #1a1a1a;
    border-bottom: 2px solid #007aff;
    padding-bottom: 10px;
}

.main-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 30px 0 15px;
    color: #1a1a1a;
}

.main-content p {
    font-size: 16px;
    line-height: 1.7;
    color: #666;
    margin-bottom: 20px;
}

.main-content ul, .main-content ol {
    margin-bottom: 20px;
    padding-left: 20px;
}

.main-content li {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 8px;
}

.main-content strong {
    color: #1a1a1a;
    font-weight: 600;
}

/* 侧边栏样式 */
.sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.sidebar-widget h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1a1a1a;
    border-bottom: 2px solid #007aff;
    padding-bottom: 10px;
}

.related-services, .popular-routes, .warehouse-locations, .express-channels, .company-certifications {
    list-style: none;
    padding: 0;
}

.related-services li, .popular-routes li, .warehouse-locations li, .express-channels li, .company-certifications li {
    margin-bottom: 10px;
}

.related-services a, .popular-routes a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.related-services a:hover, .popular-routes a:hover {
    color: #007aff;
}

.contact-info p {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

/* FAQ样式 */
.faq-section {
    margin: 40px 0;
}

.faq-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.faq-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.faq-item p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* 文章CTA样式 */
.article-cta {
    background: linear-gradient(135deg, #007aff, #34c759);
    color: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    margin-top: 40px;
}

.article-cta h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    border: none;
    padding: 0;
}

.article-cta p {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .sidebar {
        position: static;
    }
    
    .article-hero h1 {
        font-size: 36px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .main-content h2 {
        font-size: 24px;
    }
    
    .main-content h3 {
        font-size: 20px;
    }
}

/* 文章链接样式 */
.hero-articles {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-articles h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
    opacity: 0.9;
}

.article-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.article-links a {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.article-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* 右侧悬浮联系方式 */
.floating-contact {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1000;
    font-family: 'Inter', sans-serif;
}

.contact-toggle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007aff, #34c759);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.3);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.contact-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 122, 255, 0.4);
}

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

.contact-panel {
    position: absolute;
    right: 0;
    bottom: 70px;
    width: 280px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.floating-contact.active .contact-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.contact-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px 15px;
    border-bottom: 1px solid #f0f0f0;
}

.contact-header h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
}

.contact-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
}

.contact-close:hover {
    color: #007aff;
}

.contact-content {
    padding: 20px;
}

.contact-item {
    margin-bottom: 20px;
}

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

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

.contact-value {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: #007aff;
    text-decoration: none;
    padding: 10px 15px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.contact-value:hover {
    background: #007aff;
    color: white;
    transform: translateY(-2px);
}

.contact-value.wechat {
    cursor: pointer;
    position: relative;
}

.contact-value.wechat:hover::after {
    content: '点击复制';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
}

/* 脉冲动画 */
@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(0, 122, 255, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(0, 122, 255, 0.6);
    }
    100% {
        box-shadow: 0 4px 20px rgba(0, 122, 255, 0.3);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .floating-contact {
        right: 15px;
        bottom: 15px;
    }
    
    .contact-toggle {
        width: 50px;
        height: 50px;
    }
    
    .contact-icon {
        font-size: 20px;
    }
    
    .contact-panel {
        width: 260px;
        right: -10px;
    }
}

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

/* 加载动画 */
.loaded .fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

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