/* 通用样式 */

/* 导航栏样式 */
.navbar {
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.25rem;
}

.navbar-nav .dropdown-menu {
    border: none;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 0.5rem 0;
}

.navbar-nav .dropdown-item {
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.navbar-nav .dropdown-item:hover {
    background-color: #f8f9fa;
    color: #007bff;
}

/* 按钮样式 */
.btn {
    border-radius: 25px;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 通知容器样式 */
#notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
}

.alert {
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-bottom: 10px;
}

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.loading-spinner {
    text-align: center;
}

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

/* 卡片动画 */
.feature-card, .pricing-card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.feature-card:hover, .pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 价格卡片特殊样式 */
.pricing-card.bg-primary {
    position: relative;
    overflow: hidden;
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: #ffc107;
    color: #000;
    padding: 5px 40px;
    font-size: 0.875rem;
    font-weight: bold;
    transform: rotate(45deg);
    z-index: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar-nav {
        text-align: center;
        padding-top: 1rem;
    }
    
    .navbar-nav .btn {
        margin: 0.25rem;
        width: 100%;
    }
    
    #notification-container {
        left: 20px;
        right: 20px;
        max-width: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* 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;
}

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

.tooltip-inner {
    background-color: #333;
    border-radius: 6px;
    padding: 8px 12px;
}

/* 表单样式增强 */
.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

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

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

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

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