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

html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

/* 关于我们页面样式 */
.zh_about-container {
    line-height: 1.6;
    color: #212121;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.zh_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

/* 页面头部横幅 */
.zh_hero-banner {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, #D32F2F 0%, #F9A825 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.zh_hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1542744173-8e7e53415bb0?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2000&q=80') center/cover;
    opacity: 0.3;
}

.zh_hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.8) 0%, rgba(249, 168, 37, 0.8) 100%);
}

.zh_hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #FFFFFF;
}

.zh_hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.zh_hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    opacity: 0.9;
}

/* 区块标题 */
.zh_section-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: #212121;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.zh_section-title i {
    color: #D32F2F;
    font-size: 2rem;
}

.zh_section-title.zh_center {
    justify-content: center;
    text-align: center;
}

/* 公司介绍 */
.zh_company-intro {
    padding: 80px 0;
    background: #FFFFFF;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.zh_intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    width: 100%;
    max-width: 100%;
}

.zh_intro-content {
    padding-right: 20px;
}

.zh_content-text {
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.zh_intro-description p {
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.8;
    color: #616161;
    text-align: justify;
}

.zh_intro-image {
    text-align: center;
}

.zh_intro-image img {
    width: 100%;
    max-width: 500px;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.zh_intro-image img:hover {
    transform: translateY(-10px);
}

/* 服务栏目 */
.zh_services-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F5F5F5 0%, #FFFFFF 100%);
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.zh_services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 50px;
    width: 100%;
    max-width: 100%;
}

.zh_service-card {
    background: #FFFFFF;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.zh_service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(211, 47, 47, 0.1), transparent);
    transition: left 0.5s ease;
}

.zh_service-card:hover::before {
    left: 100%;
}

.zh_service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(211, 47, 47, 0.15);
    border-color: #D32F2F;
}

.zh_service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #D32F2F, #F9A825);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.zh_service-icon i {
    font-size: 2rem;
    color: #FFFFFF;
}

.zh_service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #212121;
    position: relative;
    z-index: 1;
}

.zh_service-card p {
    color: #616161;
    margin-bottom: 25px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.zh_service-link {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #D32F2F, #F9A825);
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.zh_service-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(211, 47, 47, 0.3);
    color: #FFFFFF;
    text-decoration: none;
}

/* 联系我们 */
.zh_contact-section {
    padding: 80px 0;
    background: #FFFFFF;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.zh_contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    width: 100%;
    max-width: 100%;
}

.zh_contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: #F5F5F5;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.zh_contact-item:hover {
    background: #FFFFFF;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateX(10px);
}

.zh_contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #D32F2F, #F9A825);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.zh_contact-icon i {
    font-size: 1.5rem;
    color: #FFFFFF;
}

.zh_contact-text h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #212121;
    margin-bottom: 5px;
}

.zh_contact-text p {
    color: #616161;
    margin: 0;
    word-break: break-all;
}

.zh_contact-image {
    text-align: center;
}

.zh_contact-image img {
    width: 100%;
    max-width: 500px;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

/* 优势特色 */
.zh_features-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F5F5F5 0%, #FFFFFF 100%);
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.zh_features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 50px;
    width: 100%;
    max-width: 100%;
}

.zh_feature-item {
    text-align: center;
    padding: 40px 20px;
    background: #FFFFFF;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.zh_feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #D32F2F, #F9A825);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.zh_feature-item:hover::before {
    transform: scaleX(1);
}

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

.zh_feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #D32F2F, #F9A825);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zh_feature-icon i {
    font-size: 1.8rem;
    color: #FFFFFF;
}

.zh_feature-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #212121;
}

.zh_feature-item p {
    color: #616161;
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .zh_hero-title {
        font-size: 2.5rem;
    }
    
    .zh_hero-subtitle {
        font-size: 1.2rem;
    }
    
    .zh_section-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .zh_intro-grid,
    .zh_contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .zh_intro-content {
        padding-right: 0;
    }
    
    .zh_services-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .zh_service-card {
        padding: 30px 20px;
    }
    
    .zh_features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .zh_contact-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .zh_contact-icon {
        margin-right: 0;
    }
    
    .zh_hero-banner {
        height: 300px;
    }
    
    .zh_company-intro,
    .zh_services-section,
    .zh_contact-section,
    .zh_features-section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .zh_hero-title {
        font-size: 2rem;
    }
    
    .zh_hero-subtitle {
        font-size: 1rem;
    }
    
    .zh_section-title {
        font-size: 1.8rem;
    }
    
    .zh_service-card,
    .zh_feature-item {
        padding: 25px 15px;
    }
    
    .zh_contact-item {
        padding: 15px;
    }
    
    .zh_container {
        padding: 0 15px;
    }
    
    .zh_hero-banner {
        height: 250px;
    }
    
    .zh_intro-grid,
    .zh_contact-grid {
        gap: 20px;
    }
    
    .zh_services-grid,
    .zh_features-grid {
        gap: 10px;
        grid-template-columns: 1fr;
    }
}

/* 动画增强 */
.zh_service-card:hover .zh_service-icon {
    animation: zh_pulse 1s infinite;
}

.zh_feature-item:hover .zh_feature-icon {
    animation: zh_rotate 0.5s ease;
}

@keyframes zh_pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes zh_rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #F5F5F5;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #D32F2F, #F9A825);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #B71C1C, #F57F17);
}