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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
}

.icon {
    width: 20px;
    height: 20px;
    display: inline-block;
}

/* 顶部信息条 */
.top-bar {
    background: #1b1919;
    color: white;
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.language-selector {
    background: #509cff;
    padding: 4px 12px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.language-selector .arrow {
    width: 16px;
    height: 16px;
}

/* Logo栏 */
.header {
    background: white;
    padding: 12px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 40px;
    left: 0;
    right: 0;
    z-index: 999;
    min-height: 64px;
}

.menu-toggle, .search-icon {
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

/* 轮播图容器 */
.slider-container {
    margin-top: 92px; /* 顶部信息条 + Logo栏的高度 */
    position: relative;
    height: 100vh;
    overflow: hidden;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    padding: 0 20px;
    max-width: 90%;
}

.slide-content h2 {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.slide-content p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-button {
    background: #509cff;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 25px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #4a9bd1;
}

/* 轮播控制按钮 */
.slider-controls {
    position: absolute;
    bottom: 150px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.prev-btn, .next-btn {
    width: 50px;
    height: 50px;
    background: #509cff;
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.prev-btn:hover, .next-btn:hover {
    background: #4a9bd1;
}

.prev-btn .icon, .next-btn .icon {
    width: 24px;
    height: 24px;
}

/* 单号查询卡片 */
.tracking-card {
    position: relative;
    margin-top: -100px;
    z-index: 4;
    padding: 0 20px;
}

.tracking-form {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    margin-bottom: 40px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tracking-input {
    width: 100%;
    padding: 20px 25px;
    border: 3px solid #509cff;
    border-radius: 15px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s ease;
    background: #f8f9fa;
    color: #666;
}

.tracking-input:focus {
    border-color: #4a9bd1;
    background: white;
}

.tracking-input::placeholder {
    color: #999;
    font-weight: 400;
}

.query-btn {
    background: #509cff;
    color: white;
    border: none;
    padding: 20px 40px;
    border-radius: 15px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
    letter-spacing: 1px;
}

.query-btn:hover {
    background: #4a9bd1;
}

/* 服务模块 */
.services-section {
    background: #f8f9fa;
    padding: 60px 0;
}

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

.services-header {
    text-align: center;
    margin-bottom: 50px;
}

.services-header h2 {
    font-size: 48px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 20px;
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.divider-line {
    width: 60px;
    height: 3px;
    background: #5dade2;
}

.divider-square {
    width: 12px;
    height: 12px;
    background: #5dade2;
    margin: 0 10px;
    transform: rotate(45deg);
}

.services-header h3 {
    font-size: 32px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.2;
}

.services-header p {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 桌面端网格布局 */
@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 1200px;
    }
}

.service-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: left;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 30px 0;
}

.service-icon img {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

.service-card h4 {
    font-size: 28px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 20px;
}

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

.read-more {
    color: #2c3e50;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #5dade2;
}

/* 响应式调整 */
@media (max-width: 480px) {
    .top-bar {
        font-size: 12px;
        padding: 6px 10px;
    }

    .header {
        padding: 10px;
        top: 40px;
    }

    .slider-container {
        margin-top: 82px;
    }

    .slide-content h2 {
        font-size: 24px;
    }

    .slide-content p {
        font-size: 14px;
    }

    .cta-button {
        padding: 12px 24px;
        font-size: 14px;
    }

    .language-selector span {
        display: none;
    }

    .contact-info span {
        font-size: 11px;
    }

    .slider-controls {
        bottom: 120px;
    }

    .tracking-form {
        padding: 30px 20px;
    }

    .tracking-input {
        padding: 18px 20px;
        font-size: 15px;
    }

    .query-btn {
        padding: 18px 30px;
        font-size: 16px;
    }

    .services-section {
        padding: 40px 0;
    }

    .services-header h2 {
        font-size: 36px;
    }

    .services-header h3 {
        font-size: 24px;
        padding: 0 10px;
    }

    .services-header p {
        font-size: 16px;
        padding: 0 10px;
    }

    .service-card {
        padding: 30px 20px;
    }

    .service-icon {
        width: 100px;
        height: 100px;
        margin-bottom: 25px;
    }

    .service-icon img {
        width: 100px;
        height: 100px;
    }

    .service-card h4 {
        font-size: 24px;
    }

    .service-card p {
        font-size: 15px;
    }

    .about-section {
        padding: 40px 15px;
    }

    .about-background {
        height: 500px;
        border-radius: 15px;
    }

    .about-content {
        padding: 0 20px 30px;
    }

    .about-card {
        padding: 35px 25px;
        max-width: 100%;
    }

    .about-number {
        font-size: 56px;
        margin-bottom: 15px;
    }

    .about-text {
        font-size: 20px;
    }

    .about-detail-section {
        padding: 40px 15px;
    }

    .section-subtitle {
        font-size: 24px;
    }

    .about-main-title {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .about-intro {
        font-size: 16px;
    }

    .feature-icon {
        width: 28px;
        height: 28px;
        margin-right: 12px;
    }

    .about-features p {
        font-size: 16px;
    }

    .about-description {
        font-size: 15px;
    }

    .about-signature img {
        height: 50px;
    }

    .about-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        text-align: center;
        width: 100%;
    }

    .best-services-section {
        padding: 50px 15px;
    }

    .best-services-header h2 {
        font-size: 28px;
    }

    .best-services-description {
        font-size: 18px;
        margin-top: 20px;
    }

    .service-cards-grid {
        margin-top: 30px;
        gap: 20px;
    }

    .service-detail-image {
        height: 200px;
    }

    .service-detail-content {
        padding: 25px 20px;
    }

    .service-detail-content h3 {
        font-size: 20px;
    }

    .service-detail-content p {
        font-size: 15px;
    }

    .quick-solution-section {
        padding: 50px 15px;
    }

    .quick-solution-header {
        margin-bottom: 40px;
    }

    .quick-solution-header h2 {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .solution-description {
        font-size: 15px;
    }

    .solution-features {
        gap: 15px;
    }

    .solution-feature-item {
        padding: 20px;
        gap: 15px;
    }

    .solution-icon {
        width: 50px;
        height: 50px;
    }

    .solution-feature-item h3 {
        font-size: 18px;
    }

    .team-section {
        padding: 50px 15px;
    }

    .team-header {
        margin-bottom: 40px;
    }

    .team-header h2 {
        font-size: 32px;
    }

    .team-description {
        font-size: 15px;
        margin-top: 20px;
    }

    .team-member-image {
        height: 320px;
        border-radius: 15px 15px 0 0;
    }

    .team-member-info {
        padding: 25px 15px;
        border-radius: 0 0 15px 15px;
    }

    .team-member-info h3 {
        font-size: 26px;
    }

    .team-member-info p {
        font-size: 16px;
    }

    .team-slider-dots {
        gap: 12px;
        margin-top: 25px;
    }

    .dot {
        width: 14px;
        height: 14px;
    }

    .gallery-section {
        padding: 50px 15px;
    }

    .gallery-header {
        margin-bottom: 40px;
    }

    .gallery-header h2 {
        font-size: 32px;
    }

    .gallery-description {
        font-size: 15px;
        margin-top: 20px;
    }

    .gallery-filters {
        gap: 10px;
        margin-bottom: 40px;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .gallery-grid {
        gap: 20px;
    }

    .gallery-image {
        height: 220px;
    }

    .gallery-content {
        padding: 15px;
    }

    .gallery-content h3 {
        font-size: 18px;
    }
}


/* 关于我们模块 */
.about-section {
    padding: 60px 20px;
    background: #f8f9fa;
}

.about-background {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    height: 600px;
    background-image: url('img/about-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: flex-end;
    border-radius: 20px;
    overflow: hidden;
}

.about-content {
    width: 100%;
    padding: 20px 20px 0 0;
}

.about-card {
    background: white;
    border-radius: 20px;
    padding: 50px 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border-left: 6px solid #5dade2;
}

.about-number {
    font-size: 48px;
    font-weight: bold;
    color: #5dade2;
    margin-bottom: 20px;
    line-height: 1;
}

.about-text {
    font-size: 22px;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.3;
    margin: 0;
}


/* 关于我们详细内容模块 */
.about-detail-section {
    padding: 60px 20px;
    background: white;
}

.about-detail-header {
    margin-bottom: 40px;
}

.section-subtitle {
    font-size: 32px;
    font-weight: bold;
    color: #5dade2;
    margin-bottom: 20px;
}

.about-detail-content {
    max-width: 800px;
}

.about-main-title {
    font-size: 36px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 25px;
    line-height: 1.2;
}

.about-intro {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
}

.about-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.about-features li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.feature-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    margin-right: 15px;
    color: #5dade2;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.about-features p {
    font-size: 18px;
    color: #2c3e50;
    font-weight: 600;
    margin: 0;
    line-height: 1.6;
}

.about-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

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

.about-signature img {
    height: 60px;
    width: auto;
}

.about-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary {
    background: #5dade2;
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    transition: background 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    background: #4a9bd1;
}

.btn-secondary {
    background: white;
    color: #2c3e50;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    border: 2px solid #2c3e50;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: #2c3e50;
    color: white;
}


/* Our Best Services 模块 */
.best-services-section {
    padding: 80px 20px;
    background: #f8f9fa;
}

.best-services-header {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.best-services-header h2 {
    font-size: 42px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 20px;
}

.best-services-description {
    font-size: 26px;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.4;
    margin: 30px auto 0;
    max-width: 900px;
}


/* 服务卡片网格 */
.service-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 1200px;
    margin: 50px auto 0;
}

@media (min-width: 768px) {
    .service-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .service-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-detail-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-detail-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.service-detail-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

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

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

.service-detail-content {
    padding: 30px 25px;
}

.service-detail-content h3 {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 15px;
}

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

.read-more-link {
    color: #2c3e50;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.read-more-link:hover {
    color: #5dade2;
}


/* Quick Solution 模块 */
.quick-solution-section {
    padding: 80px 20px;
    background: white;
}

.quick-solution-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
}

.header-dot {
    width: 12px;
    height: 12px;
    background: #5dade2;
    margin: 0 auto 25px;
    border-radius: 2px;
}

.quick-solution-header h2 {
    font-size: 38px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 30px;
    line-height: 1.3;
}

.solution-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    text-align: center;
}

.solution-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.solution-feature-item {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.solution-feature-item:hover {
    background: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateX(5px);
}

.solution-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.solution-feature-item h3 {
    font-size: 20px;
    font-weight: bold;
    color: #2c3e50;
    margin: 0;
}


/* Our Team 模块 */
.team-section {
    padding: 80px 20px;
    background: #f8f9fa;
}

.team-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
}

.team-header h2 {
    font-size: 42px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 20px;
}

.team-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-top: 30px;
}

.team-slider-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.team-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.team-member-card {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.team-member-card.active {
    display: block;
    opacity: 1;
}

.team-member-image {
    width: 100%;
    height: 400px;
    border-radius: 20px 20px 0 0;
    overflow: hidden;
    background: #e0e0e0;
}

.team-member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member-info {
    background: #5dade2;
    color: white;
    text-align: center;
    padding: 30px 20px;
    border-radius: 0 0 20px 20px;
}

.team-member-info h3 {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 8px;
}

.team-member-info p {
    font-size: 18px;
    margin: 0;
    opacity: 0.95;
}

.team-slider-dots {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid #5dade2;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #5dade2;
}

.dot:hover {
    transform: scale(1.2);
}


/* Gallery 画廊模块 */
.gallery-section {
    padding: 80px 20px;
    background: white;
}

.gallery-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
}

.gallery-header h2 {
    font-size: 42px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 20px;
}

.gallery-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-top: 30px;
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background: #f8f9fa;
    color: #2c3e50;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: #e9ecef;
}

.filter-btn.active {
    background: #5dade2;
    color: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.gallery-item.hidden {
    display: none;
}

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

.gallery-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

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

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
}

.gallery-content {
    padding: 20px;
    text-align: center;
}

.gallery-content h3 {
    font-size: 20px;
    font-weight: bold;
    color: #2c3e50;
    margin: 0;
}

/* ==================== Blog Section ==================== */
.blog-section {
    padding: 80px 0;
    background-color: #fff;
}

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

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

.blog-description {
    max-width: 800px;
    margin: 30px auto 0;
    font-size: 15px;
    line-height: 1.8;
    color: #666;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.blog-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
}

.blog-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

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

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

.blog-date {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: #4A90E2;
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
}

.blog-content {
    padding: 25px;
}

.blog-meta {
    display: flex;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0;
    font-size: 13px;
    color: #999;
}

.blog-meta li {
    display: flex;
    align-items: center;
    gap: 5px;
}

.blog-meta .icon {
    width: 16px;
    height: 16px;
}

.blog-title {
    margin: 15px 0;
}

.blog-title a {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    text-decoration: none;
    line-height: 1.4;
    display: block;
    transition: color 0.3s ease;
}

.blog-title a:hover {
    color: #4A90E2;
}

.blog-divider {
    border: none;
    border-top: 1px solid #eee;
    margin: 15px 0;
}

.blog-text {
    font-size: 14px;
    line-height: 1.7;
    color: #666;
    margin-bottom: 15px;
}

.blog-read-more {
    display: inline-block;
    color: #4A90E2;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-read-more:hover {
    color: #357ABD;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .blog-section {
        padding: 50px 0;
    }

    .blog-header h2 {
        font-size: 28px;
    }

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

    .blog-content {
        padding: 20px;
    }
}

/* ==================== Transportation Section ==================== */
.transportation-section {
    background-color: #689AF3;
    padding: 80px 0;
    text-align: center;
}

.transportation-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.transportation-subtitle {
    font-size: 28px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.transportation-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin: 20px auto 40px;
    max-width: 300px;
}

.transportation-divider .divider-line {
    flex: 1;
    height: 2px;
    background-color: #fff;
}

.transportation-divider .divider-square {
    width: 20px;
    height: 20px;
    background-color: #fff;
    transform: rotate(45deg);
    margin: 0 -1px;
}

.transportation-title {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 40px;
    line-height: 1.2;
}

.transportation-description {
    font-size: 16px;
    line-height: 1.9;
    color: #fff;
    margin: 0 auto;
    max-width: 950px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .transportation-section {
        padding: 50px 0;
    }

    .transportation-subtitle {
        font-size: 22px;
    }

    .transportation-title {
        font-size: 32px;
        margin-bottom: 30px;
    }

    .transportation-description {
        font-size: 15px;
        line-height: 1.8;
    }

    .transportation-divider {
        max-width: 200px;
        margin: 15px auto 30px;
    }
}

@media (max-width: 480px) {
    .transportation-title {
        font-size: 28px;
    }

    .transportation-subtitle {
        font-size: 20px;
    }
}

/* ==================== Footer ==================== */
.footer {
    background-color: #101014;
    color: #fff;
    padding: 60px 0 0;
}

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

.footer-column h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #fff;
}

.footer-logo {
    margin-bottom: 30px;
}

.footer-logo img {
    max-width: 180px;
    height: auto;
}

.footer-social h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

.social-icons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: #fff;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: #689AF3;
    transform: translateY(-3px);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: #b0b0b0;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: #689AF3;
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: #b0b0b0;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer {
        padding: 40px 0 0;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .footer-column:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-column:first-child {
        grid-column: auto;
    }

    .social-icons {
        gap: 10px;
    }

    .social-icon {
        width: 36px;
        height: 36px;
    }
}

/* Partner Logos */
.partner-logos {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.partner-logo {
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.partner-logo img {
    max-width: 180px;
    height: auto;
    display: block;
}

.partner-logo:hover {
    transform: translateX(5px);
    opacity: 0.8;
}

/* ==================== Logistics Modal ==================== */
.logistics-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.logistics-modal {
    background: #fff;
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    padding: 30px 30px 20px;
    margin: 0;
    border-bottom: 1px solid #eee;
}

.modal-content {
    padding: 30px;
    overflow-y: auto;
    flex: 1;
}

.logistics-number {
    font-size: 16px;
    color: #333;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.logistics-number strong {
    font-weight: 600;
}

.logistics-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.timeline-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.timeline-item:hover {
    background: #f0f0f0;
}

.timeline-time {
    color: #ff4444;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    min-width: 150px;
}

.timeline-desc {
    color: #333;
    font-size: 15px;
    line-height: 1.6;
    flex: 1;
}

.no-data {
    text-align: center;
    color: #999;
    padding: 40px 20px;
    font-size: 16px;
}

.modal-cancel-btn {
    margin: 0 30px 30px;
    padding: 15px 40px;
    background: #fff;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-cancel-btn:hover {
    background: #f5f5f5;
    border-color: #999;
    color: #333;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .logistics-modal {
        max-width: 95%;
        max-height: 85vh;
    }
    
    .modal-title {
        font-size: 24px;
        padding: 25px 20px 15px;
    }
    
    .modal-content {
        padding: 20px;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 10px;
    }
    
    .timeline-time {
        min-width: auto;
    }
    
    .modal-cancel-btn {
        margin: 0 20px 20px;
    }
}

/* ==================== Message Popup ==================== */
.message-popup {
    max-width: 400px;
    min-height: auto;
}

.message-content {
    padding: 40px 30px 30px;
    text-align: center;
}

.message-text {
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    margin: 0;
}

@media (max-width: 768px) {
    .message-popup {
        max-width: 90%;
    }
    
    .message-content {
        padding: 30px 20px 20px;
    }
    
    .message-text {
        font-size: 15px;
    }
}