/* ===== Banner区域样式 ===== */
.banner-section {
    position: relative;
    background: linear-gradient(135deg, rgba(28,24,20,0.85) 0%, rgba(20,20,20,0.9) 100%), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 600"><rect fill="%232c1810" width="1920" height="600"/></svg>');
    background-size: cover;
    background-position: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Banner背景图片轮播容器 */
.banner-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../img/banner-bg1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.4;
    z-index: 0;
    transition: opacity 1.5s ease-in-out, background-image 1.5s ease-in-out;
}

/* 轮播图片1 */
.banner-section.slide-1::before {
    background-image: url('../img/banner-bg1.jpg');
    opacity: 0.4;
}

/* 轮播图片2 */
.banner-section.slide-2::before {
    background-image: url('../img/banner-bg2.jpg');
    opacity: 0.4;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(255,102,0,0.05) 0%, transparent 70%);
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 0;
    width: 100%;
}

.banner-center {
    width: 100%;
    max-width: 1000px;
    color: #fff;
    text-align: center;
}

.banner-title {
    font-size: 54px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: 2px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
    animation: fadeInUp 0.8s ease-out;
}

.banner-subtitle {
    font-size: 24px;
    margin-bottom: 0;
    opacity: 0.95;
    font-weight: 400;
    letter-spacing: 1px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Banner容器 */
.banner-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ===== 项目列表区域样式 ===== */

/* 全局盒模型 */
.projects-list-section * {
    box-sizing: border-box;
}

/* 容器 */
.projects-list-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.projects-list-section {
    padding: 20px 0;
    background: #f5f5f5;
    overflow-x: hidden;
}

/* 上部左右布局 - 4:6比例 */
.top-layout {
    display: grid;
    grid-template-columns: 4fr 6fr;
    gap: 15px;
    margin-bottom: 15px;
    min-width: 0;
}

/* 右侧VIP列 */
.right-vip-column {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-width: 0;
}

.right-vip-column .project-block {
    flex: 1;
}

/* 下部2行2列布局 */
.bottom-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    min-width: 0;
}

/* 项目块 */
.project-block {
    background: #fff;
    min-width: 0;
    overflow: hidden;
}

/* 块头部 */
.block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: #ff6600;
    color: #fff;
}

.block-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: #fff;
}

.more-link {
    color: #fff;
    text-decoration: none;
    font-size: 13px;
}

.more-link:hover {
    text-decoration: underline;
}

/* 项目列表 */
.project-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.list-item {
    border-bottom: 1px solid #f0f0f0;
}

.list-item:last-child {
    border-bottom: none;
}

.item-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    text-decoration: none;
    transition: background 0.2s;
}

.item-link:hover {
    background: #f9f9f9;
}

.item-title {
    flex: 1;
    color: #333;
    font-size: 14px;
    padding-left: 15px;
    position: relative;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.item-title::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #999;
}

.item-link:hover .item-title {
    color: #ff6600;
}

.item-date {
    color: #999;
    font-size: 13px;
    white-space: nowrap;
    margin-left: 20px;
    flex-shrink: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    /* Banner响应式 */
    .banner-section {
        min-height: 300px;
    }
    
    .banner-content {
        padding: 40px 0;
    }
    
    .banner-title {
        font-size: 28px;
        margin-bottom: 15px;
    }
    
    .banner-subtitle {
        font-size: 18px;
    }
    
    /* 项目列表响应式 */
    .projects-list-section {
        padding: 15px 0;
    }
    
    .top-layout,
    .bottom-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .right-vip-column {
        gap: 10px;
    }
    
    .project-block {
        margin-bottom: 0;
    }
    
    .block-header {
        padding: 10px 15px;
    }
    
    .block-title {
        font-size: 14px;
    }
    
    .item-link {
        padding: 10px 15px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .item-title {
        font-size: 13px;
        margin-bottom: 5px;
    }
    
    .item-date {
        font-size: 12px;
        margin-left: 15px;
    }
}