/* 技术方案页面专用样�?*/

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #1e3a5f, #1d4ed8);
    color: white;
    padding: 80px 0 40px;
    margin-top: 70px;
    text-align: center;
}

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

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 30px;
    line-height: 1.6;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb i {
    font-size: 12px;
}

/* 解决方案概览 */
.solutions-overview {
    padding: 80px 0;
    background-color: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    color: #6b7280;
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.6;
}

.solution-process {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.solution-process::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #2563eb, #60a5fa);
    transform: translateX(-50%);
}

.process-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 50px;
    position: relative;
}

.step-number {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin-right: 40px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.step-content h3 {
    font-size: 1.5rem;
    color: #1f2937;
    margin-bottom: 15px;
}

.step-content p {
    color: #6b7280;
    line-height: 1.6;
}

/* 行业痛点解决方案 */
.pain-points {
    padding: 80px 0;
    background-color: #f1f5f9;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pain-point-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid #2563eb;
}

.pain-point-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.pain-point-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: white;
    font-size: 28px;
}

.pain-point-card h3 {
    font-size: 1.4rem;
    color: #1f2937;
    margin-bottom: 20px;
}

.pain-point-card p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 10px;
}

.pain-point-card p strong {
    color: #1f2937;
}

/* 定制化解决方案 - 优化版 */
.custom-solutions {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    position: relative;
    overflow: hidden;
}

.custom-solutions::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.custom-solutions::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.solution-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 60px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.solution-tab {
    padding: 16px 35px;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 50px;
    color: #374151;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.solution-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transition: left 0.6s;
}

.solution-tab:hover {
    background: #dbeafe;
    border-color: #2563eb;
    color: #2563eb;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
}

.solution-tab:hover::before {
    left: 100%;
}

.solution-tab.active {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-color: #2563eb;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.25);
}

.solution-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.solution-detail {
    display: none;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    transition: all 0.5s ease;
    position: relative;
}

.solution-detail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #60a5fa, #3b82f6);
}

.solution-detail.active {
    display: block;
    animation: fadeInUp 0.6s ease-out;
}

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

.solution-detail-content {
    padding: 60px 50px;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: start;
}

.solution-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.solution-detail h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0;
    background: linear-gradient(135deg, #1f2937, #374151);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solution-desc {
    color: #6b7280;
    line-height: 1.8;
    font-size: 1.1rem;
    margin: 0;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #60a5fa;
    transition: all 0.3s ease;
}

.feature:hover {
    background: #f1f5f9;
    transform: translateX(5px);
}

.feature i {
    color: #059669;
    font-size: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.feature span {
    color: #374151;
    font-size: 16px;
    line-height: 1.6;
}

.solution-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.stat {
    text-align: center;
    padding: 25px 20px;
    background: linear-gradient(135deg, #f1f5f9, #e5e7eb);
    border-radius: 12px;
    transition: all 0.3s ease;
}

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

.stat-value {
    font-size: 2.8rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 10px;
    display: block;
}

.stat-label {
    color: #6b7280;
    font-size: 14px;
    font-weight: 500;
}

.solution-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    border-radius: 15px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.solution-visual::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.visual-icon {
    color: white;
    font-size: 80px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* 技术优�?*/
.tech-advantages {
    padding: 80px 0;
    background-color: #f1f5f9;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s;
}

.advantage-card:hover {
    transform: translateY(-10px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 32px;
}

.advantage-card h3 {
    font-size: 1.5rem;
    color: #1f2937;
    margin-bottom: 15px;
}

.advantage-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* 咨询表单 - 优化版 */
.consult-form {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    position: relative;
    overflow: hidden;
}

.consult-form::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.form-container {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.12);
}

.form-content {
    flex: 2;
    padding: 60px 50px;
    background: white;
    position: relative;
}

.form-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #60a5fa, #3b82f6);
}

.form-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #1f2937, #374151);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-content p {
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #374151;
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 18px 30px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-block:hover::before {
    left: 100%;
}

.contact-info {
    flex: 1;
    padding: 60px 40px;
    background: linear-gradient(135deg, #1e3a5f, #1d4ed8);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.contact-details {
    position: relative;
    z-index: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.contact-item i {
    font-size: 24px;
    color: #60a5fa;
    margin-top: 5px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: white;
}

.contact-item p {
    font-size: 1rem;
    margin-bottom: 5px;
    opacity: 0.9;
}

.contact-note {
    font-size: 0.9rem;
    opacity: 0.7;
    font-style: italic;
}

.form-note {
    text-align: center;
    color: #6b7280;
    font-size: 0.9rem;
    margin-top: 20px;
    opacity: 0.8;
}

/* 响应式设�?*/
@media (max-width: 992px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .solution-process::before {
        left: 40px;
    }
    
    .step-number {
        width: 80px;
        height: 80px;
        font-size: 1.8rem;
        margin-right: 30px;
    }
    
    .industry-solution.active {
        flex-direction: column;
    }
    
    .solution-image {
        height: 200px;
    }
    
    .form-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .solution-process::before {
        display: none;
    }
    
    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .pain-points-grid {
        grid-template-columns: 1fr;
    }
    
    .custom-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .custom-tab {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .solution-details {
        padding: 30px;
    }
    
    .solution-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 60px 0 30px;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    .step-content {
        padding: 20px;
    }
    
    .pain-point-card {
        padding: 30px 20px;
    }
    
    .solution-details h3 {
        font-size: 1.6rem;
    }
    
    .form-content,
    .form-info {
        padding: 30px 20px;
    }
    
    .form-content h2 {
        font-size: 1.8rem;
    }
}