body{font-family:Arial,Helvetica,sans-serif;line-height:1.5;background:linear-gradient(180deg,#fff 0%,#fff5f5 20%,#fff 50%,#fff5f5 80%,#fff 100%);}
.hero-section { background: linear-gradient(135deg, #dc3545 0%, #bb2d3b 100%); color: white; padding: 60px 0; margin-bottom: 30px; }
.category-card { transition: transform 0.2s; border: none; box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075); }
.category-card:hover { transform: translateY(-5px); box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15); }
.item-card { border: none; border-bottom: 1px solid #eee; padding: 15px 0; }
.item-card:last-child { border-bottom: none; }
.item-card-hover { 
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; 
    border: 1px solid #e9ecef !important; 
    background: #fff;
}
.item-card-hover:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 0.75rem 1.5rem rgba(220, 53, 69, 0.15) !important; 
    border-color: #dc3545 !important; 
}
.item-card-hover .card-title {
    color: #212529 !important;
    transition: color 0.3s ease;
}
.item-card-hover:hover .card-title {
    color: #dc3545 !important;
}
.section-title { position: relative; padding-bottom: 10px; margin-bottom: 20px; font-weight: bold; }
.section-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 50px; height: 3px; background: #dc3545; }

/* 分类标题区块背景（阿里巴巴风格大色块） */
.category-section-header {
    background: linear-gradient(90deg, rgba(220, 53, 69, 0.08) 0%, rgba(220, 53, 69, 0.03) 100%);
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* 新闻卡片红色装饰 */
.news-card {
    background: linear-gradient(90deg, rgba(220, 53, 69, 0.04) 0%, #fff 15%) !important;
}

/* 推荐企业卡片顶部装饰条 */
.recommended-card {
    position: relative;
    overflow: hidden;
}
.recommended-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #dc3545 0%, #ff6b6b 100%);
    z-index: 1;
}
a{color:#dc3545;text-decoration:none;}
a:hover{text-decoration:underline;color:#bb2d3b;}
table{border-collapse:collapse;}
th,td{padding:6px;}

/* 加入我们区块样式优化 */
.join-us-card {
    background: linear-gradient(135deg, #dc3545 0%, #bb2d3b 100%);
    border-radius: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.join-us-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(220, 53, 69, 0.3);
}

/* 导航栏 LOGO 样式优化 */
.navbar-brand {
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
    display: flex !important;
    align-items: center !important;
}
.navbar-brand img {
    height: 42px !important;
    width: auto !important;
    max-height: 42px !important;
    object-fit: contain;
}
.navbar-brand strong {
    font-size: 1.25rem !important;
    line-height: 1.2;
}

/* 响应式：小屏幕时适当缩小 LOGO */
@media (max-width: 991.98px) {
    .navbar-brand img {
        height: 36px !important;
        max-height: 36px !important;
    }
    .navbar-brand strong {
        font-size: 1.1rem !important;
    }
}

/* 响应式：超小屏幕时进一步缩小 */
@media (max-width: 575.98px) {
    .navbar-brand img {
        height: 32px !important;
        max-height: 32px !important;
    }
    .navbar-brand strong {
        font-size: 1rem !important;
    }
}