/* 自定义样式 */

/* 渐变背景 */
.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 导航栏样式 */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

/* 卡片阴影效果 */
.card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
}

/* 特性图标样式 */
.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
}

/* 价格显示样式 */
.price-display {
    margin: 1rem 0;
}

/* 统计数字样式 */
.stat-item {
    padding: 2rem 0;
}

.stat-item h3 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

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

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-outline-primary {
    border-color: #667eea;
    color: #667eea;
}

.btn-outline-primary:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
}

/* 表单样式 */
.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* 模态框样式 */
.modal-content {
    border-radius: 12px;
    border: none;
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    border-radius: 12px 12px 0 0;
}

/* 表格样式 */
.table {
    border-radius: 8px;
    overflow: hidden;
}

.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

/* 徽章样式 */
.badge {
    font-size: 0.75rem;
    padding: 0.5em 0.75em;
    border-radius: 6px;
}

/* 警告框样式 */
.alert {
    border-radius: 8px;
    border: none;
}

/* 手风琴样式 */
.accordion-button {
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.accordion-button:not(.collapsed) {
    background-color: #667eea;
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 加载动画 */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5a6fd8;
}

/* 工具提示样式 */
.tooltip {
    font-size: 0.875rem;
}

/* 下拉菜单样式 */
.dropdown-menu {
    border-radius: 8px;
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.dropdown-item {
    border-radius: 4px;
    margin: 2px 8px;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
}

/* 分页样式 */
.pagination {
    border-radius: 8px;
}

.page-link {
    border-radius: 6px;
    margin: 0 2px;
    border: none;
    color: #667eea;
}

.page-link:hover {
    background-color: #667eea;
    color: white;
}

.page-item.active .page-link {
    background-color: #667eea;
    border-color: #667eea;
}

/* 进度条样式 */
.progress {
    border-radius: 8px;
    height: 8px;
}

.progress-bar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 面包屑导航样式 */
.breadcrumb {
    background-color: transparent;
    padding: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: #6c757d;
}

/* 代码块样式 */
code {
    background-color: #f8f9fa;
    color: #e83e8c;
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.875em;
}

pre {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid #e9ecef;
}

/* 引用样式 */
blockquote {
    border-left: 4px solid #667eea;
    padding-left: 1rem;
    margin: 1rem 0;
    font-style: italic;
    color: #6c757d;
}