/* ========================================
   解决方案页专用样式
   ======================================== */

.solutions-page {
    padding-top: calc(72px + env(safe-area-inset-top, 0px));
}

/* 解决方案分类 */
.solution-categories {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.category-btn {
    padding: 14px 28px;
    border-radius: 30px;
    background: var(--color-bg-light);
    cursor: pointer;
    transition: var(--transition-normal);
    font-weight: 600;
    border: 2px solid transparent;
}

.category-btn:hover,
.category-btn.active {
    background: var(--color-brand-blue);
    color: var(--color-white);
}

/* 解决方案卡片 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: var(--spacing-lg);
}

.solution-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 400px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    transition: var(--transition-normal);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.25);
}

.solution-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    transition: var(--transition-slow);
}

.solution-card:hover .solution-background {
    transform: scale(1.1);
}

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    color: var(--color-white);
}

.solution-category-tag {
    display: inline-block;
    background: var(--color-brand-blue);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    align-self: flex-start;
}

.solution-title {
    font-size: var(--font-size-block-heading);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.solution-value {
    font-size: var(--font-size-body);
    line-height: var(--leading-normal);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-accent-green);
    font-weight: 600;
    transition: var(--transition-fast);
}

.solution-link:hover {
    gap: 12px;
}

/* 行业标签 */
.industry-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.industry-tag {
    background: var(--color-bg-light);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

.industry-tag:hover {
    background: var(--color-brand-blue);
    color: var(--color-white);
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .solution-categories {
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }

    .category-btn {
        padding: 12px 20px;
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .solution-card {
        height: min(360px, 52vh);
    }

    .solution-overlay {
        padding: var(--spacing-md);
    }
}