/**
 * ICP4 首页样式
 * 紫色科技风 + 垂直卡片流布局
 */

/* ==================== 商品网格 ==================== */
.icp4-goods-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* ==================== 商品卡片 ==================== */
.icp4-goods-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.08);
    display: block;
    text-decoration: none;
    color: inherit;
}

.icp4-goods-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(139, 92, 246, 0.15);
    text-decoration: none;
}

/* 商品图片容器 */
.icp4-goods-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
}

.icp4-goods-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.icp4-goods-card:hover .icp4-goods-image img {
    transform: scale(1.08);
}

/* 商品推荐标签 */
.icp4-goods-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, #8B5CF6 0%, #6366F1 100%);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
    z-index: 1;
}

/* 商品内容区 */
.icp4-goods-content {
    padding: 16px;
}

/* 商品标题 */
.icp4-goods-title {
    font-size: 14px;
    font-weight: 500;
    color: #262626;
    margin: 0 0 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.5;
}

.icp4-goods-card:hover .icp4-goods-title {
    color: #8B5CF6;
}

/* 商品底部信息 */
.icp4-goods-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 商品价格 */
.icp4-goods-price {
    color: #F5222D;
    font-size: 20px;
    font-weight: 700;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 销量信息 */
.icp4-goods-sales {
    color: #8C8C8C;
    font-size: 12px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .icp4-goods-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .icp4-goods-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .icp4-goods-image {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .icp4-goods-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .icp4-goods-image {
        height: 160px;
    }

    .icp4-goods-content {
        padding: 12px;
    }

    .icp4-goods-title {
        font-size: 13px;
        margin-bottom: 8px;
    }

    .icp4-goods-price {
        font-size: 16px;
    }

    .icp4-goods-sales {
        font-size: 11px;
    }
}

/* ==================== 顶部全宽轮播图区域 ==================== */
.icp4-hero-banner {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    margin-bottom: 40px;
}

.icp4-hero-banner .carousel-inner {
    height: 100%;
}

.icp4-hero-banner .item {
    height: 100%;
    position: relative;
}

.icp4-hero-banner .item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.3) 0%, rgba(99, 102, 241, 0.3) 100%);
    z-index: 1;
}

.icp4-hero-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.icp4-hero-banner .carousel-control {
    background: none;
    width: 60px;
    z-index: 2;
}

.icp4-hero-banner .carousel-control .fa {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 40px;
    color: #fff;
    background: rgba(139, 92, 246, 0.5);
    width: 60px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    border-radius: 50%;
    transition: var(--transition-base);
}

.icp4-hero-banner .carousel-control:hover .fa {
    background: rgba(139, 92, 246, 0.8);
}

.icp4-hero-banner .carousel-indicators {
    bottom: 20px;
    z-index: 2;
}

.icp4-hero-banner .carousel-indicators li {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid #fff;
    background: transparent;
}

.icp4-hero-banner .carousel-indicators li.active {
    background: #fff;
}

/* ==================== 搜索框浮层 ==================== */
.icp4-hero-search {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 90%;
    max-width: 700px;
}

.icp4-hero-search h1 {
    color: #fff;
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.icp4-hero-search-form {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    padding: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.icp4-hero-search-form input {
    border: none;
    background: transparent;
    padding: 12px 20px;
    font-size: 16px;
    width: 100%;
    padding-right: 140px;
}

.icp4-hero-search-form input:focus {
    outline: none;
}

.icp4-hero-search-form button {
    position: absolute;
    right: 8px;
    top: 8px;
    padding: 12px 32px;
    font-size: 16px;
    border-radius: 40px;
}

/* ==================== 快捷入口区域 ==================== */
.icp4-quick-entry {
    margin-bottom: 60px;
}

.icp4-quick-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.icp4-quick-card {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 40px 20px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.icp4-quick-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--purple-gradient);
    transform: scaleX(0);
    transition: var(--transition-base);
}

.icp4-quick-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.icp4-quick-card:hover::before {
    transform: scaleX(1);
}

.icp4-quick-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--purple-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
    transition: var(--transition-base);
}

.icp4-quick-card:hover .icp4-quick-icon {
    transform: scale(1.1) rotate(5deg);
}

.icp4-quick-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* ==================== 区块标题 ==================== */
.icp4-section {
    margin-bottom: 60px;
}

.icp4-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-light);
}

.icp4-section-title {
    font-size: 32px;
    font-weight: 700;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.icp4-section-title i {
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.icp4-section-more {
    color: var(--purple-primary);
    font-size: 16px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.icp4-section-more:hover {
    color: var(--purple-dark);
    gap: 12px;
}

/* ==================== 信息卡片 - 时间轴样式 ==================== */
.icp4-info-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.icp4-info-card {
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
    text-decoration: none;
    display: block;
}

.icp4-info-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.icp4-info-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.icp4-info-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.icp4-info-card:hover .icp4-info-image img {
    transform: scale(1.1);
}

.icp4-info-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--purple-gradient);
    color: #fff;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.icp4-info-content {
    padding: 20px;
}

.icp4-info-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.icp4-info-desc {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.icp4-info-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-disabled);
}

.icp4-info-price {
    font-size: 20px;
    font-weight: 700;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== 响应式 ==================== */
@media (max-width: 992px) {
    .icp4-quick-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .icp4-info-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .icp4-hero-search h1 {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .icp4-quick-grid,
    .icp4-info-list {
        grid-template-columns: 1fr;
    }

    .icp4-hero-banner {
        height: 150px;
    }

    .icp4-hero-search h1 {
        font-size: 24px;
    }

    .icp4-hero-search-form input {
        font-size: 16px;
        padding: 12px 20px;
    }

    .icp4-hero-search-form button {
        padding: 12px 24px;
        font-size: 16px;
    }
}

/* ==================== 信息列表 - 简洁样式（无缩略图，一行两列） ==================== */
.icp4-info-list-simple {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.icp4-info-item-simple {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-left: 4px solid transparent;
}

.icp4-info-item-simple:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--purple-primary);
}

.icp4-info-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.6;
    min-width: 0;
}

.icp4-info-item-btn {
    background: var(--purple-gradient);
    color: #fff;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
    display: flex;
    align-items: center;
    gap: 6px;
}

.icp4-info-item-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(139, 92, 246, 0.3);
    text-decoration: none;
    color: #fff;
}

.icp4-info-item-btn i {
    font-size: 14px;
}

/* 响应式 - 移动端单列显示 */
@media (max-width: 768px) {
    .icp4-info-list-simple {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .icp4-info-item-simple {
        padding: 16px;
        gap: 12px;
    }

    .icp4-info-item-title {
        font-size: 14px;
    }

    .icp4-info-item-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
}