/* 全局样式 */
:root {
    --primary-color: #1E88E5;
    --primary-dark: #0D47A1;
    --primary-light: #64B5F6;
    --secondary-color: #2962FF;
    --text-color: #333333;
    --light-gray: #f5f5f5;
    --dark-gray: #333333;
}

body {
    font-family: 'Open Sans', 'Source Han Sans CN', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', 'Source Han Sans CN', sans-serif;
    font-weight: 700;
}

/* 导航栏样式 */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.language-switcher .btn {
    margin-left: 5px;
}

/* 主横幅样式 */
.hero-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero-image {
    max-height: 400px;
    object-fit: contain;
}

/* 特色卡片样式 */
.feature-card {
    background-color: white;
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

/* 教育价值部分 */
.value-list {
    padding-left: 20px;
}

.value-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.value-list li:before {
    content: "\F26A";
    font-family: "bootstrap-icons";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 项目卡片样式 */
.project-card {
    height: 100%;
    transition: transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: none;
}

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

.project-card img {
    height: 200px;
    object-fit: cover;
}

/* 页脚样式 */
.footer {
    background-color: var(--dark-gray);
}

.footer a {
    color: white;
    text-decoration: none;
}

.footer a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}