/* ========================================
   丝梦建站 - 案例展示页面专属样式
   ======================================== */

.page-header {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-yellow-soft) 50%, var(--color-cream-dark) 100%);
    text-align: center;
}

.page-header-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

.page-title {
    font-family: var(--font-primary);
    font-size: 56px;
    color: var(--color-text-primary);
    margin-bottom: 20px;
}

.page-subtitle {
    font-size: 20px;
    color: var(--color-text-secondary);
}

.cases-section {
    padding: 100px 0;
    background: var(--color-white);
}

.case-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    border: 2px solid var(--color-brown-light);
    background: transparent;
    color: var(--color-text-primary);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 15px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-brown-medium);
    border-color: var(--color-brown-medium);
    color: var(--color-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.case-image {
    position: relative;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(transparent, rgba(93, 78, 55, 0.95));
    color: var(--color-white);
    transform: translateY(100%);
    transition: var(--transition-smooth);
}

.case-card:hover .case-overlay {
    transform: translateY(0);
}

.case-category {
    display: inline-block;
    padding: 5px 15px;
    background: var(--color-accent);
    border-radius: 20px;
    font-size: 12px;
    margin-bottom: 10px;
}

.case-title {
    font-family: var(--font-primary);
    font-size: 20px;
    margin-bottom: 8px;
}

.case-desc {
    font-size: 14px;
    opacity: 0.9;
}

@media (max-width: 992px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 36px;
    }
    .cases-grid {
        grid-template-columns: 1fr;
    }
}