/* 资源页面样式 */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #6c63ff;
    --success-color: #2ecc71;
    --warning-color: #f1c40f;
    --danger-color: #e74c3c;
    --text-color: #2c3e50;
    --light-text: #7f8c8d;
    --card-bg: #ffffff;
    --light-bg: #f5f6fa;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --hover-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    --search-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    --background-color: #ffffff;
}

/* 深色模式变量 */
[data-theme="dark"] {
    --text-color: #dfe6e9;
    --light-text: #b2bec3;
    --card-bg: #2d3436;
    --light-bg: #353b48;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --hover-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    --search-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    --background-color: #1a1a1a;
}

/* 基础样式 */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    transition: var(--transition);
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 50px;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/pattern.png') repeat;
    opacity: 0.1;
    animation: movePattern 20s linear infinite;
}

@keyframes movePattern {
    from { transform: translateX(0) translateY(0); }
    to { transform: translateX(100px) translateY(100px); }
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

/* 资源部分样式 */
.resource-section {
    margin-bottom: 50px;
    padding: 0 20px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.section-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.section-header h2 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin: 0;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.resource-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

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

.resource-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.resource-card h3 {
    color: var(--text-color);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.resource-card p {
    color: var(--light-text);
    margin-bottom: 20px;
    line-height: 1.6;
}

.resource-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.resource-link:hover {
    color: var(--secondary-color);
    gap: 12px;
}

.resource-link i {
    font-size: 0.9rem;
}

/* 标签样式 */
.resource-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tag {
    background: var(--light-bg);
    color: var(--text-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
}

/* 搜索栏样式 */
.search-container {
    max-width: 600px;
    margin: 0 auto 40px;
    padding: 0 20px;
}

.search-box {
    display: flex;
    gap: 10px;
    background: var(--card-bg);
    padding: 10px;
    border-radius: var(--border-radius);
    box-shadow: var(--search-shadow);
}

.search-input {
    flex: 1;
    border: none;
    padding: 10px;
    font-size: 1rem;
    outline: none;
    background: var(--card-bg);
    color: var(--text-color);
}

.search-input::placeholder {
    color: var(--light-text);
}

.search-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.search-button:hover {
    background: var(--secondary-color);
}

/* 分类筛选样式 */
.filter-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    padding: 0 20px;
}

.filter-button {
    background: var(--light-bg);
    color: var(--text-color);
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-button.active,
.filter-button:hover {
    background: var(--primary-color);
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header {
        padding: 40px 0;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .resource-grid {
        grid-template-columns: 1fr;
    }

    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        flex-direction: column;
    }

    .search-button {
        width: 100%;
    }
}