/* ===== 创新方案页面专属样式 ===== */

/* 页面标题区 */
.page-hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 102, 204, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 180, 216, 0.2) 0%, transparent 50%);
    animation: gradientMove 15s ease infinite;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto;
}

/* 核心问题区 */
.problem-section {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.problem-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.problem-card {
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    background: rgba(220, 38, 38, 0.05);
    border-left: 4px solid #dc2626;
}

.problem-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    flex-shrink: 0;
}

.problem-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.problem-text p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 解决方案区 */
.solution-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.solution-feature {
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    background: rgba(255, 255, 255, 0.7);
}

.feature-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
    opacity: 0.1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.3);
    transition: all var(--transition-normal);
}

.solution-feature:hover .feature-icon {
    transform: rotateY(360deg);
}

.solution-feature h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.solution-feature p {
    color: var(--text-light);
    line-height: 1.8;
}

.solution-feature strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* 对比表格区 */
.comparison-section {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.comparison-table {
    overflow-x: auto;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.5);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.comparison-table thead {
    background: var(--gradient-2);
    color: var(--white);
}

.comparison-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 700;
    font-size: 1.1rem;
}

.comparison-table th i {
    margin-right: 0.5rem;
}

.comparison-table tbody tr {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: background var(--transition-fast);
}

.comparison-table tbody tr:hover {
    background: rgba(0, 102, 204, 0.05);
}

.comparison-table td {
    padding: var(--spacing-md);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--text-dark);
}

.comparison-table td.highlight {
    color: #059669;
    font-weight: 600;
}

.comparison-table i.fa-check-circle {
    color: #059669;
    margin-right: 0.5rem;
}

.comparison-table i.fa-times-circle {
    color: #dc2626;
    margin-right: 0.5rem;
}

.comparison-table i.fa-minus-circle {
    color: #f59e0b;
    margin-right: 0.5rem;
}

/* 模型展示区 */
.model-gallery {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

.model-gallery .section-header h2,
.model-gallery .section-subtitle {
    color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    background: rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.gallery-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.2) 0%, rgba(0, 180, 216, 0.2) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-normal);
}

.placeholder-image i {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.placeholder-image p {
    font-size: 1.1rem;
    font-weight: 600;
}

.gallery-item:hover .placeholder-image {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.4) 0%, rgba(0, 180, 216, 0.4) 100%);
    transform: scale(1.05);
}

.gallery-caption {
    padding: var(--spacing-md);
}

.gallery-caption h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.gallery-caption p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.gallery-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.gallery-note i {
    color: #60a5fa;
    margin-right: 0.5rem;
}

/* 技术规格区 */
.specifications {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.spec-card {
    padding: var(--spacing-lg);
    text-align: center;
    background: rgba(0, 102, 204, 0.03);
}

.spec-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.spec-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.spec-card ul {
    list-style: none;
    text-align: left;
}

.spec-card ul li {
    padding: 0.5rem 0;
    color: var(--text-light);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
}

.spec-card ul li:last-child {
    border-bottom: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .problem-content {
        grid-template-columns: 1fr;
    }
    
    .problem-card {
        flex-direction: column;
        text-align: center;
    }
    
    .solution-grid,
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        padding: var(--spacing-sm);
    }
    
    .comparison-table table {
        font-size: 0.875rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }
}