/* ===== 服务页面专用样式 ===== */
/* 按照更早的排版：只有2个section：page-header和service-details */

/* 页面标题区域 */
.page-header {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, #0056b3 0%, #007bff 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-ship.jpg') center/cover no-repeat;
    opacity: 0.1;
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-subtitle {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    opacity: 0.9;
    font-weight: 300;
}

/* 服务详情区域 */
.service-details {
    padding: 80px 0;
    background: #f8f9fa;
}

.service-detail-section {
    margin-bottom: 80px;
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-detail-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

/* 服务头部 */
.service-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #eaeaea;
}

.service-icon-large {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #0056b3 0%, #007bff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    box-shadow: 0 4px 12px rgba(0, 86, 179, 0.3);
}

.service-header-content {
    flex: 1;
}

.service-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.2;
}

.service-intro {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
    max-width: 800px;
}

/* 服务内容网格 - 三列布局 */
.service-content-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 20px;
}

.service-feature {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s ease;
    border: 1px solid #eaeaea;
}

.service-feature:hover {
    background: white;
    border-color: #0056b3;
    box-shadow: 0 5px 15px rgba(0, 86, 179, 0.1);
    transform: translateY(-3px);
}

.service-feature h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    font-weight: 600;
    color: #0056b3;
    margin-bottom: 15px;
    line-height: 1.3;
}

.service-feature p {
    font-size: 16px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* 特性列表 */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    font-size: 15px;
    color: #666;
    line-height: 1.5;
}

.feature-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: #28a745;
    font-weight: bold;
    font-size: 16px;
}

/* 服务区域颜色标识 */
#sea .service-icon-large {
    background: linear-gradient(135deg, #0056b3 0%, #007bff 100%);
}

#air .service-icon-large {
    background: linear-gradient(135deg, #17a2b8 0%, #20c997 100%);
}

#land .service-icon-large {
    background: linear-gradient(135deg, #fd7e14 0%, #ffc107 100%);
}

#warehouse .service-icon-large {
    background: linear-gradient(135deg, #6f42c1 0%, #e83e8c 100%);
}

/* ===== 响应式设计 ===== */

/* 平板设备 (768px - 992px) */
@media (max-width: 992px) {
    .page-header {
        padding: 80px 0 50px;
    }
    
    .page-title {
        font-size: 42px;
    }
    
    .page-subtitle {
        font-size: 18px;
    }
    
    .service-details {
        padding: 60px 0;
    }
    
    .service-detail-section {
        margin-bottom: 60px;
        padding: 30px;
    }
    
    .service-header {
        gap: 25px;
        margin-bottom: 30px;
        padding-bottom: 25px;
    }
    
    .service-icon-large {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }
    
    .service-title {
        font-size: 32px;
    }
    
    .service-intro {
        font-size: 17px;
    }
    
    .service-content-grid {
        gap: 25px;
    }
    
    .service-feature {
        padding: 25px;
    }
    
    .service-feature h3 {
        font-size: 20px;
    }
    
    .service-feature p {
        font-size: 15px;
    }
}

/* 大手机设备 (576px - 768px) */
@media (max-width: 768px) {
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-title {
        font-size: 36px;
    }
    
    .page-subtitle {
        font-size: 16px;
        padding: 0 20px;
    }
    
    .service-details {
        padding: 50px 0;
    }
    
    .service-detail-section {
        margin-bottom: 50px;
        padding: 25px;
    }
    
    .service-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        margin-bottom: 25px;
        padding-bottom: 20px;
    }
    
    .service-icon-large {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .service-title {
        font-size: 28px;
    }
    
    .service-intro {
        font-size: 16px;
    }
    
    .service-content-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .service-feature {
        padding: 20px;
    }
    
    .service-feature h3 {
        font-size: 18px;
    }
    
    .service-feature p {
        font-size: 14px;
    }
    
    .feature-list li {
        font-size: 14px;
    }
}

/* 小手机设备 (≤576px) */
@media (max-width: 576px) {
    .page-header {
        padding: 50px 0 30px;
    }
    
    .page-title {
        font-size: 30px;
    }
    
    .page-subtitle {
        font-size: 15px;
        padding: 0 15px;
    }
    
    .service-details {
        padding: 40px 0;
    }
    
    .service-detail-section {
        margin-bottom: 40px;
        padding: 20px;
    }
    
    .service-header {
        gap: 15px;
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
    
    .service-icon-large {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .service-title {
        font-size: 24px;
    }
    
    .service-intro {
        font-size: 15px;
    }
    
    .service-content-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .service-feature {
        padding: 15px;
    }
    
    .service-feature h3 {
        font-size: 16px;
    }
    
    .service-feature p {
        font-size: 13px;
    }
    
    .feature-list li {
        font-size: 13px;
        padding-left: 20px;
    }
    
    .feature-list li:before {
        font-size: 14px;
    }
}

/* 超小手机设备 (≤375px) */
@media (max-width: 375px) {
    .page-title {
        font-size: 26px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .service-title {
        font-size: 22px;
    }
    
    .service-intro {
        font-size: 14px;
    }
    
    .service-detail-section {
        padding: 15px;
    }
}