/* 解决方案介绍部分样式 */
.solution-intro {
    min-height: 100vh;
    padding: 120px 0;
    background-color: #fff;
    color: #333;
    position: relative;
    display: flex;
    align-items: center;
}

.solution-intro .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.intro-content {
    flex: 1;
    max-width: 600px;
}

.intro-content h1 {
    font-size: 4.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
    color: #333;
    text-align: left;
}

.intro-content h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #666;
    font-weight: 500;
    text-align: left;
}

.intro-content p {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 40px;
    color: #666;
}

.intro-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 50px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    color: #333;
}

.feature-icon {
    width: 24px;
    height: 24px;
    margin-right: 0;
}

.intro-image {
    flex: 1;
    max-width: 600px;
}

.intro-image img {
    display: none;
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.intro-image img.active {
    display: block;
}

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

.contact-btn, .more-btn {
    padding: 15px 30px;
    font-size: 1rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.contact-btn {
    background-color: #0066ff;
    color: #fff;
    border: none;
}

.more-btn {
    background-color: transparent;
    color: #0066ff;
    border: 2px solid #0066ff;
}

.contact-btn:hover, .more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 102, 255, 0.2);
}

/* 技术参数部分样式 */
.technical-specs {
    padding: 80px 0;
    background-color: #fff;
    color: #333;
}

.technical-specs .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.technical-specs h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
}

.specs-grid {
    display: flex;
    flex-direction: column;
    max-width: 1000px;
    margin: 0 auto;
}

.spec-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 25px 0;
    position: relative;
}

.spec-item:nth-child(even) {
    background-color: #f8f8f8;
}

.spec-label {
    font-size: 1.2rem;
    color: #333;
    text-align: center;
    padding: 0 20px;
}

.spec-value {
    font-size: 1.2rem;
    color: #333;
    text-align: center;
    padding: 0 20px;
}

.spec-item::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background-color: rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .technical-specs h2 {
        font-size: 2.5rem;
        margin-bottom: 40px;
    }

    .spec-item {
        padding: 20px 5%;
    }

    .spec-label, .spec-value {
        font-size: 1rem;
    }
}

/* 修改返回按钮样式 */
.back-btn {
    position: absolute;
    top: 120px;
    left: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    z-index: 100;
    background: none;
    box-shadow: none;
}

.back-icon {
    font-size: 48px;
    line-height: 1;
    font-weight: bold;
}

.back-btn:hover {
    transform: translateX(-5px);
    color: #0066ff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .back-btn {
        top: 75px;
        left: 20px;
    }
    
    .back-icon {
        font-size: 36px;
    }
}

/* 服务模块样式 */
.services {
    padding: 100px 0;
    background-color: #fff;
    color: #333;
    background-image: url('path/to/chairlift-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.services .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    gap: 100px;
}

.services-left {
    flex: 1;
    padding-right: 50px;
    position: relative;
    text-align: left;
}

.services-left::after {
    content: '';
    position: absolute;
    right: 0;
    top: 10%;
    height: 80%;
    width: 1px;
    background-color: rgba(0, 0, 0, 0.1);
}

.services-left h3 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    margin-top: 0;
    text-align: left;
    margin-left: 0;
}

.services-left .contact-info {
    margin-top: 60px;
    text-align: left;
    padding-left: 0;
}

.services-left .contact-info p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 15px;
    text-align: left;
    padding-left: 0;
    margin-left: 0;
}

.contact-us-btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 30px;
    background-color: transparent;
    border: 2px solid #333;
    color: #333;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
    margin-top: 40px;
}

.contact-us-btn:hover {
    background-color: #333;
    color: #fff;
}

.services-right {
    flex: 1.5;
}

.services-right h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.services-right p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #666;
    margin-bottom: 40px;
}

.services-list {
    list-style: none;
    padding: 0;
}

.services-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.service-icon {
    font-size: 1.5rem;
    color: #0066ff;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .services .container {
        flex-direction: column;
        gap: 50px;
    }

    .services-left::after {
        display: none;
    }

    .services-left {
        padding-right: 0;
        padding-bottom: 50px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
}

@media (max-width: 768px) {
    .services {
        padding: 60px 0;
    }

    .services-right h2 {
        font-size: 1.8rem;
    }

    .services-list li {
        font-size: 1.1rem;
    }

    .contact-us-btn {
        margin-left: 0;
    }
}

.product-advantages {
    background-color: #003B6F;
    color: #fff;
    padding: 80px 0;
}

.product-advantages .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.advantages-layout {
    display: flex;
    gap: 0;
    align-items: center;
}

.advantages-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.advantages-image img {
    width: 140%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    opacity: 1;
}

.advantages-image img.active {
}

.advantages-image img:hover {
}

.advantages-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-left: 160px;
}

.advantage-item {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
}

.advantage-item h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.advantage-item p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
} 

@media (max-width: 768px) {
    .solution-intro .container {
        flex-direction: column; /* 图片和文本上下排列 */
        align-items: center; /* 居中对齐 */
        gap: 40px; /* 增加上下间距 */
    }

    /* 解决方案介绍部分 */
    .intro-content h1 {
        font-size: 2.5rem; /* 减小标题字体 */
    }

    .intro-content h2 {
        font-size: 1.8rem; /* 减小副标题字体 */
    }

    .intro-content p {
        font-size: 1rem; /* 调整字体 */
    }

    .intro-features {
        flex-direction: column; /* 特性垂直排列 */
        gap: 15px;
    }

    .feature {
        font-size: 1rem; /* 减小字体 */
        gap: 10px;
    }

    .intro-image img {
        width: 100%; /* 图片宽度自适应 */
        height: auto;
    }

    .intro-buttons {
        gap: 15px;
    }

    .contact-btn, .more-btn {
        width: 100%; /* 按钮宽度自适应 */
    }

    /* 技术参数部分 */
    .technical-specs h2 {
        font-size: 2rem; /* 调整标题字体 */
        margin-bottom: 40px; /* 减少底部间距 */
    }

    .spec-item {
        padding: 20px 5%;
    }

    .spec-label, .spec-value {
        font-size: 1rem;
    }

    .advantages-layout {
        flex-direction: column; /* 改为上下排列 */
        align-items: center; /* 居中对齐 */
        gap: 30px; /* 增加上下间距 */
    }

    .advantages-layout .advantage-text h3 {
        font-size: 1.8rem; /* 调整标题字体大小 */
    }

    .advantages-layout .advantage-text p {
        font-size: 1rem; /* 调整描述文本字体大小 */
    }

    .advantages-layout .advantages-image img {
        width: 100%; /* 确保图片自适应宽度 */
        height: auto;
    }

    .advantages-content {
        margin-left: unset;
    }
    
    .intro-content p {
        text-align: start;
    }
}