.solution-hero {
    background: var(--gradient-dark);
    padding: 120px 0 80px;
    margin-top: calc(var(--header-height) * -1);
    padding-top: calc(var(--header-height) + 60px);
    color: white;
    position: relative;
    overflow: hidden;
}

.solution-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
}

.solution-hero .container {
    position: relative;
    z-index: 1;
}

.solution-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.solution-hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.solution-hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 32px;
}

.solution-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.solution-hero-tag {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.solution-hero-image svg {
    width: 100%;
    max-width: 450px;
}

.solution-overview {
    padding: 80px 0;
    background: var(--bg-light);
}

.solution-overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.solution-overview-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.solution-overview-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.solution-overview-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: white;
}

.solution-overview-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.solution-overview-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.solution-architecture {
    padding: 80px 0;
}

.architecture-diagram {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.architecture-layers {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.architecture-layer {
    display: flex;
    align-items: center;
    gap: 24px;
}

.architecture-layer-label {
    width: 120px;
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.architecture-layer-content {
    flex: 1;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.architecture-item {
    padding: 16px 24px;
    background: var(--bg-light);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.architecture-item:hover {
    border-color: var(--primary-color);
    background: white;
}

.architecture-item.primary {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.solution-benefits {
    padding: 80px 0;
    background: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.benefit-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    display: flex;
    gap: 20px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.benefit-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.benefit-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.solution-cases {
    padding: 80px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    height: 160px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: white;
}

.case-content {
    padding: 24px;
}

.case-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.case-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

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

.case-tag {
    padding: 4px 12px;
    background: var(--bg-light);
    color: var(--text-secondary);
    font-size: 12px;
    border-radius: 50px;
}

.solution-steps {
    padding: 80px 0;
    background: var(--bg-light);
}

.steps-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.steps-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.step-item {
    display: flex;
    gap: 32px;
    margin-bottom: 40px;
    position: relative;
}

.step-item:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.step-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .solution-hero-content {
        grid-template-columns: 1fr;
    }

    .solution-hero-image {
        display: none;
    }

    .solution-overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .solution-hero-title {
        font-size: 32px;
    }

    .solution-overview-grid {
        grid-template-columns: 1fr;
    }

    .architecture-layer {
        flex-direction: column;
        align-items: flex-start;
    }

    .architecture-layer-label {
        width: auto;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }
}