/* 解决方案页面样式 */

/* 页面标题区域 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 100px 0 60px;
    text-align: center;
    margin-top: 70px;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* 通用部分 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* 解决方案概述 */
.solutions-overview {
    padding: 60px 0;
}

.overview-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.overview-text {
    flex: 1;
}

.overview-text p {
    margin-bottom: 20px;
    line-height: 1.6;
    color: var(--text-light);
}

.overview-image {
    flex: 1;
}

.overview-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

/* 思维导图展示 */
.mindmap-showcase {
    padding: 60px 0;
    background-color: var(--secondary-color);
}

.mindmap-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.mindmap-item {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.mindmap-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.mindmap-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.mindmap-header h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.mindmap-image {
    padding: 20px;
    text-align: center;
}

.mindmap-img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}

.mindmap-desc {
    padding: 0 20px 20px;
}

.mindmap-desc p {
    margin: 0;
    color: var(--text-light);
    line-height: 1.6;
}

/* 行业解决方案 */
.industry-solutions {
    padding: 60px 0;
}

.solution-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tab-nav {
    display: flex;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 25px;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.tab-btn:after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active:after {
    transform: scaleX(1);
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.solution-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.solution-image {
    flex: 1;
}

.solution-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.solution-text {
    flex: 1;
}

.solution-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.solution-text p {
    margin-bottom: 20px;
    line-height: 1.6;
    color: var(--text-light);
}

.solution-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.solution-features li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    color: var(--text-light);
}

.solution-features li i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

/* 客户价值 */
.customer-value {
    padding: 60px 0;
    background-color: var(--secondary-color);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-5px);
}

.value-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.value-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.value-item p {
    color: var(--text-light);
    margin: 0;
}

/* 联系咨询 */
.contact-section {
    padding: 60px 0;
}

.contact-wrapper {
    background-color: var(--primary-color);
    padding: 50px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--white);
}

.contact-text h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.contact-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
}

.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--white);
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式样式 */
@media (max-width: 992px) {
    .overview-content,
    .solution-content {
        flex-direction: column;
    }
    
    .solution-image {
        order: -1;
        margin-bottom: 30px;
    }
    
    .contact-wrapper {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-text {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 60px 0;
    }
    
    .page-header h1 {
        font-size: 2.2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .tab-btn {
        padding: 10px 15px;
        font-size: 1rem;
    }
}

/* 占位图样式 */
.placeholder-img {
    background-color: #f0f0f0;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-lighter);
    font-size: 1.2rem;
}