/* 解决方案页面样式 */

/* 英雄区域 */
.solutions-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 80px;
}

.solutions-hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: bold;
}

.solutions-hero p {
    font-size: 20px;
    margin-bottom: 50px;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 8px;
    color: #fff;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* 解决方案分类 */
.solutions-categories {
    padding: 80px 0;
    background: #f8f9fa;
}

.solutions-categories h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #2c3e50;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 解决方案卡片 */
.solution-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
}

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

.solution-card.featured {
    border: 3px solid #3498db;
    position: relative;
}

.solution-card.featured::before {
    content: "推荐方案";
    position: absolute;
    top: 20px;
    right: 20px;
    background: #3498db;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    z-index: 10;
}

.solution-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.solution-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    padding: 30px 20px 20px;
}

.solution-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    backdrop-filter: blur(10px);
}

.solution-content {
    padding: 30px;
}

.solution-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.solution-content p {
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 20px;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8f9fa;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 14px;
    color: #2c3e50;
}

.feature-icon {
    font-size: 16px;
}

.solution-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 25px;
    padding: 20px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 12px;
    color: #7f8c8d;
}

.solution-actions {
    display: flex;
    gap: 15px;
}

.solution-actions .btn {
    flex: 1;
    text-align: center;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #3498db;
    border: 2px solid #3498db;
}

.btn-outline:hover {
    background: #3498db;
    color: white;
}

/* 解决方案流程 */
.solution-process {
    padding: 80px 0;
    background: white;
}

.solution-process h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #2c3e50;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(to right, #3498db, #2ecc71, #f39c12, #e74c3c, #9b59b6);
    z-index: 1;
}

.step-item {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.step-item:nth-child(2) .step-number {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.3);
}

.step-item:nth-child(3) .step-number {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    box-shadow: 0 5px 15px rgba(243, 156, 18, 0.3);
}

.step-item:nth-child(4) .step-number {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

.step-item:nth-child(5) .step-number {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    box-shadow: 0 5px 15px rgba(155, 89, 182, 0.3);
}

.step-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.step-content p {
    color: #7f8c8d;
    margin-bottom: 15px;
    line-height: 1.6;
}

.step-content ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.step-content li {
    color: #7f8c8d;
    font-size: 14px;
    margin-bottom: 5px;
    position: relative;
    padding-left: 20px;
}

.step-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* 技术优势 */
.technical-advantages {
    padding: 80px 0;
    background: #f8f9fa;
}

.technical-advantages h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #2c3e50;
}

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

.advantage-item {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.advantage-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.advantage-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.advantage-item p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 咨询表单 */
.consultation-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
}

.consultation-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.consultation-header {
    text-align: center;
    margin-bottom: 50px;
}

.consultation-header h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.consultation-header p {
    font-size: 18px;
    opacity: 0.9;
}

.consultation-form {
    background: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: none;
    border-radius: 8px;
    background: rgba(255,255,255,0.9);
    color: #2c3e50;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
}

.form-actions .btn {
    padding: 15px 40px;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-actions .btn-primary {
    background: #27ae60;
    color: white;
}

.form-actions .btn-primary:hover {
    background: #229954;
    transform: translateY(-2px);
}

.contact-info {
    display: flex;
    gap: 20px;
    font-size: 14px;
    opacity: 0.8;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .solutions-hero {
        padding: 100px 0 60px;
    }
    
    .solutions-hero h1 {
        font-size: 32px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .solution-card {
        margin: 0 10px;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 40px;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 15px;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .solution-content {
        padding: 20px;
    }
    
    .solution-features {
        gap: 10px;
    }
    
    .solution-stats {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .solutions-hero h1 {
        font-size: 28px;
    }
    
    .solutions-hero p {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .solution-content h3 {
        font-size: 20px;
    }
    
    .consultation-form {
        padding: 20px;
    }
    
    .consultation-header h2 {
        font-size: 28px;
    }
    
    .consultation-header p {
        font-size: 16px;
    }
}