/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 页面主体 */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    color: #333;
    background-color: #f8f9fa;
}

/* 导航栏增强 */
.navbar {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    font-size: 1.25rem;
    letter-spacing: 0.5px;
}

.nav-link {
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #fff !important;
    transform: translateY(-1px);
}

/* 卡片样式（统一模块质感） */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

/* 按钮样式 */
.btn {
    border-radius: 8px;
    padding: 8px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(13, 110, 253, 0.2);
}

/* 表单样式 */
.form-control {
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    padding: 10px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.1);
    outline: none;
}

/* 页面标题 */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.page-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 4px;
    background-color: #0d6efd;
    border-radius: 2px;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .page-title {
        font-size: 1.5rem;
    }

    .card {
        margin-bottom: 1rem;
    }
}