:root {
    --primary-blue: #0066cc;
    --accent-red: #ff3366;
    --light-bg: #f8f9fa;
}

/* 通用样式 */
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: #333;
    line-height: 1.6;
}

/* 页面标题通用样式 */
.page-header {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7));
    color: white;
    padding: 100px 0;
    margin-top: 56px;
    text-align: center;
}

.section-title {
    color: var(--primary-blue);
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 15px;
    text-align: center;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-blue);
}

/* 按钮样式 */
.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-outline-primary:hover {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

/* 卡片通用样式 */
.card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

/* 图片容器通用样式 */
.img-container {
    overflow: hidden;
    position: relative;
}

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

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

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .page-header {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }
}

/* 辅助类 */
.text-primary {
    color: var(--primary-blue) !important;
}

.bg-light {
    background-color: var(--light-bg) !important;
}

.shadow-hover {
    transition: box-shadow 0.3s ease;
}

.shadow-hover:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}