/* Banner轮播图（统一于 common.css） */



.banner-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
   
    animation: fadeInUp 1s ease-out;
}

.banner-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.banner-btn {
    background: #D2691E;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.banner-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(210, 105, 30, 0.3);
}

/* 轮播图控制按钮（统一于 common.css） */

/* 指示点 */
/* 指示点（统一于 common.css） */


/* 主要内容区域 */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    margin-bottom: 80px;
}
.featured-section{
    padding-bottom: 50px;
}


/* 技法文化影响区域 */
.cultural-impact-section {
    background-image: url('../images/bg1.jpg');
    background-size: cover;
    background-position: center;
    padding-bottom: 50px;
}

.cultural-impact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.impact-content {
    padding: 40px 28px 18px;
}

.impact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
    gap: 28px;
    margin-bottom: 30px;
}

.impact-section {
    position: relative;
    display: grid;
    grid-template-columns: minmax(180px, 42%) 1fr;
    gap: 22px;
    align-items: stretch;
    min-height: 280px;
    padding: 18px;
    background: rgba(255, 253, 248, 0.78);
    border: 1px solid rgba(181, 90, 75, 0.12);
    border-radius: 4px;
    box-shadow: 0 18px 42px rgba(48, 34, 24, 0.08);
    overflow: hidden;
}

.impact-section::after {
    content: "";
    position: absolute;
    right: 18px;
    top: 18px;
    bottom: 18px;
    width: 1px;
    background: linear-gradient(180deg, rgba(181, 90, 75, 0), rgba(181, 90, 75, 0.28), rgba(181, 90, 75, 0));
    pointer-events: none;
}

.impact-card-tall {
    grid-template-columns: minmax(150px, 34%) 1fr;
    min-height: 420px;
}

.impact-card-compact {
    grid-template-columns: 1fr;
    min-height: 0;
}

.impact-card-video {
    grid-template-columns: minmax(220px, 48%) 1fr;
}

.impact-card-wide {
    grid-template-columns: minmax(260px, 38%) 1fr;
    margin-top: 28px;
    min-height: 260px;
}

.impact-media {
    min-height: 220px;
    overflow: hidden;
    border-radius: 4px;
    background: #efe7d8;
}

.impact-media img,
.impact-media video {
    width: 100%;
    height: 100%;
    min-height: inherit;
    object-fit: cover;
    display: block;
    transition: transform 0.75s ease, filter 0.75s ease;
}

.impact-section:hover .impact-media img,
.impact-section:hover .impact-media video {
    transform: scale(1.04);
    filter: saturate(1.04);
}

.impact-media-large {
    min-height: 320px;
}

.impact-media-tall {
    min-height: 420px;
}

.impact-media-small {
    min-height: 210px;
}

.impact-media-video {
    min-height: 280px;
}

.impact-media-wide {
    min-height: 260px;
}

.impact-title {
    font-size: 18px;
    margin-bottom: 18px;
    font-weight: bold;
    color: #5b3a2f;
}

.impact-subtitle {
    font-size: 20px;
    color: #8B4513;
    margin: 30px 0 15px;
    font-weight: bold;
}

.impact-content p {
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
    font-size: 15px;
}

.impact-section > .impact-title,
.impact-section > p,
.impact-section > .impact-subtitle {
    grid-column: 2;
}

.impact-card-compact > .impact-title,
.impact-card-compact > p {
    grid-column: 1;
}

.impact-card-wide .impact-copy {
    align-self: center;
}

.impact-card-wide .impact-subtitle {
    margin-top: 0;
}

.impact-images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.impact-image {
    height: 180px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.impact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.famous-painters-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.painter-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.painter-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.painter-image {
    height: 200px;
    overflow: hidden;
}

.painter-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.painter-content {
    padding: 25px;
}

.painter-content h5 {
    font-size: 18px;
    color: #8B4513;
    margin-bottom: 15px;
    font-weight: bold;
}

.painter-content p {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}





/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .banner-title {
        font-size: 32px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .painters-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .impact-images {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* 轮播图控制按钮响应式样式（统一于 common.css） */
}