/* 解决方案页面专用样式 */

/* 页面头部 */
.solutions-header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 100px 0 60px;
    margin-top: 70px;
    text-align: center;
}

.solutions-header-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.breadcrumb a:hover {
    color: white;
    text-decoration: underline;
}

.breadcrumb i {
    font-size: 0.8rem;
    opacity: 0.6;
}

.breadcrumb span {
    color: white;
    font-weight: 500;
}

/* 行业解决方案 */
.industry-solutions {
    padding: 140px 0 80px;
    background-color: var(--white);
}

.solutions-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
    justify-content: center;
}

.tab-btn {
    padding: 15px 30px;
    background-color: var(--light-gray);
    border: 2px solid var(--medium-gray);
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--dark-gray);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Noto Sans SC', sans-serif;
}

.tab-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.tab-btn.active {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.tab-content {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

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

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

.solution-content {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 50px;
}

.solution-text {
    flex: 1;
}

.solution-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.3;
}

.solution-description {
    font-size: 1.1rem;
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.case-client {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    align-items: center;
}

.client-category {
    display: inline-block;
    padding: 5px 15px;
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 20px;
}

.client-duration {
    color: var(--dark-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

.case-challenge {
    background-color: rgba(248, 249, 250, 0.8);
    border-left: 4px solid var(--secondary-color);
    padding: 15px 20px;
    margin: 25px 0 30px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.case-challenge h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.case-challenge p {
    font-size: 0.95rem;
    color: var(--dark-gray);
    line-height: 1.6;
    margin: 0;
}

.solution-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 40px;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.feature i {
    font-size: 24px;
    color: var(--secondary-color);
    margin-top: 5px;
}

.feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.feature p {
    color: var(--dark-gray);
    font-size: 0.95rem;
    line-height: 1.5;
}

.solution-image {
    flex: 1;
}

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

/* 成功案例 */
.case-studies {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.case-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.case-image {
    height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.case-content {
    padding: 30px;
}

.case-category {
    display: inline-block;
    padding: 5px 15px;
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 20px;
    margin-bottom: 15px;
}

.case-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
    line-height: 1.4;
}

.case-description {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.case-results {
    display: flex;
    gap: 30px;
}

.result {
    text-align: center;
}

.result-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1;
}

.result-label {
    display: block;
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .solutions-header {
        padding: 120px 0 50px;
    }

    .page-title {
        font-size: 2.25rem;
    }

    .page-subtitle {
        font-size: 1.1rem;
    }

    .industry-solutions {
        padding: 120px 0 60px;
    }

    .tab-buttons {
        gap: 12px;
        margin-bottom: 30px;
    }

    .tab-btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .solution-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
        padding: 40px;
    }

    .solution-title {
        font-size: 1.75rem;
    }

    .solution-description {
        font-size: 1rem;
    }

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

    .feature {
        justify-content: center;
        text-align: left;
    }

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

    .case-image {
        height: 180px;
    }

    .case-content {
        padding: 24px;
    }

    .case-title {
        font-size: 1.2rem;
    }

    .case-description {
        font-size: 0.9rem;
    }

    .result-number {
        font-size: 1.5rem;
    }
}

/* iPad mini 竖版特定优化 (768px) */
@media (max-width: 768px) and (min-width: 768px) {
    .solutions-header {
        padding: 120px 0 40px;
    }

    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1.05rem;
    }

    .industry-solutions {
        padding: 120px 0 50px;
    }

    .tab-buttons {
        gap: 10px;
        margin-bottom: 25px;
    }

    .tab-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .solution-content {
        padding: 30px 25px;
    }

    .solution-title {
        font-size: 1.5rem;
    }

    .solution-features {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .case-image {
        height: 160px;
    }

    .case-content {
        padding: 20px;
    }

    .case-title {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .solutions-header {
        padding: 100px 0 40px;
    }

    .page-title {
        font-size: 1.75rem;
    }

    .page-subtitle {
        font-size: 1rem;
        padding: 0 15px;
    }

    .breadcrumb {
        font-size: 0.85rem;
        flex-wrap: wrap;
    }

    /* 行业解决方案 */
    .industry-solutions {
        padding: 100px 0 50px;
    }

    /* 标签按钮优化 */
    .solutions-tabs {
        padding: 0;
    }

    .tab-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
        margin-bottom: 25px;
    }

    .tab-btn {
        width: auto;
        max-width: none;
        padding: 10px 16px;
        font-size: 0.85rem;
    }

    .tab-content {
        border-radius: var(--border-radius);
    }
    
    /* 解决方案内容优化 */
    .solution-content {
        padding: 25px 20px;
        gap: 30px;
    }

    .solution-text {
        width: 100%;
    }

    .solution-title {
        font-size: 1.3rem;
        line-height: 1.4;
        margin-bottom: 15px;
    }

    .case-client {
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 15px;
    }

    .client-category {
        font-size: 0.8rem;
        padding: 4px 12px;
    }

    .client-duration {
        font-size: 0.8rem;
    }

    .solution-description {
        font-size: 0.9rem;
        line-height: 1.7;
        margin-bottom: 20px;
    }

    .solution-features {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 25px;
    }

    .feature {
        gap: 12px;
        align-items: flex-start;
    }

    .feature i {
        font-size: 20px;
        margin-top: 2px;
    }

    .feature h4 {
        font-size: 0.95rem;
        margin-bottom: 4px;
    }

    .feature p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .case-challenge {
        padding: 15px;
        margin: 20px 0;
    }

    .case-challenge h4 {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }

    .case-challenge p {
        font-size: 0.85rem;
        line-height: 1.6;
    }

    .solution-image {
        width: 100%;
        order: -1;
    }

    .solution-image img {
        width: 100%;
        max-height: 200px;
        object-fit: cover;
    }
    
    /* 成功案例优化 */
    .case-studies {
        padding: 40px 0;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .case-card {
        display: flex;
        flex-direction: row;
        align-items: center;
    }
    
    .case-image {
        width: 100px;
        height: 100px;
        flex-shrink: 0;
    }
    
    .case-content {
        padding: 15px;
        flex: 1;
    }
    
    .case-category {
        font-size: 0.75rem;
        padding: 3px 10px;
        margin-bottom: 8px;
    }
    
    .case-title {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .case-description {
        display: none;
    }
    
    .case-results {
        justify-content: flex-start;
        gap: 15px;
    }
    
    .result-item {
        text-align: left;
    }
    
    .result-number {
        font-size: 1.1rem;
    }
    
    .result-label {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .solutions-header {
        padding: 90px 0 25px;
    }

    .page-title {
        font-size: 1.4rem;
        margin-bottom: 10px;
    }

    .page-subtitle {
        font-size: 0.85rem;
        padding: 0 10px;
    }

    .breadcrumb {
        font-size: 0.8rem;
    }

    .industry-solutions {
        padding: 90px 0 40px;
    }

    .tab-buttons {
        gap: 6px;
        margin-bottom: 20px;
    }

    .tab-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

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

    .solution-title {
        font-size: 1.15rem;
        margin-bottom: 12px;
    }

    .case-client {
        gap: 8px;
        margin-bottom: 12px;
    }

    .client-category {
        font-size: 0.75rem;
        padding: 3px 10px;
    }

    .client-duration {
        font-size: 0.75rem;
    }

    .solution-description {
        font-size: 0.85rem;
        line-height: 1.6;
        margin-bottom: 15px;
    }

    .solution-features {
        gap: 12px;
        margin-bottom: 20px;
    }

    .feature {
        gap: 10px;
    }

    .feature i {
        font-size: 18px;
    }

    .feature h4 {
        font-size: 0.9rem;
    }

    .feature p {
        font-size: 0.8rem;
        line-height: 1.5;
    }

    .case-challenge {
        padding: 12px;
        margin: 15px 0;
    }

    .case-challenge h4 {
        font-size: 0.9rem;
    }

    .case-challenge p {
        font-size: 0.8rem;
    }

    .solution-image img {
        max-height: 160px;
    }

    .case-studies {
        padding: 30px 0;
    }

    .case-card {
        flex-direction: column;
    }

    .case-image {
        width: 100%;
        height: 120px;
    }

    .case-content {
        padding: 12px;
    }

    .case-title {
        font-size: 0.95rem;
    }

    .case-results {
        gap: 10px;
    }

    .result-number {
        font-size: 1rem;
    }

    .result-label {
        font-size: 0.7rem;
    }
}

/* 动画效果 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.solution-text {
    animation: slideInLeft 0.8s ease-out;
}

.solution-image {
    animation: slideInRight 0.8s ease-out;
}

.case-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}