/* 首页通用交互样式 */

/* 滚动时导航栏样式 */
.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.navbar-scrolled .navbar-brand,
.navbar-scrolled .nav-link {
    color: #333 !important;
}

.navbar-scrolled .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 0, 0, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* 滚动动画效果 */
.feature-card, .hero-content {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.feature-card.animate-in,
.hero-content.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 返回顶部按钮 */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #4e73df;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(78, 115, 223, 0.3);
}

#backToTop:hover {
    background-color: #2e59d9;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(78, 115, 223, 0.4);
}

#backToTop.show {
    opacity: 1;
    visibility: visible;
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    background-color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 0.3s ease, transform 0.3s ease;
    max-width: 350px;
    display: flex;
    align-items: center;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification i {
    font-size: 1.2rem;
}

.notification-success {
    border-left: 4px solid #1cc88a;
}

.notification-success i {
    color: #1cc88a;
}

.notification-error {
    border-left: 4px solid #e74a3b;
}

.notification-error i {
    color: #e74a3b;
}

.notification-info {
    border-left: 4px solid #36b9cc;
}

.notification-info i {
    color: #36b9cc;
}

/* 移动端菜单优化 */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: white;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        margin-top: 10px;
    }
    
    .navbar-nav .nav-link {
        padding: 10px 15px;
        border-radius: 4px;
        margin-bottom: 5px;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: #f8f9fc;
    }
}

/* 平滑滚动优化 */
html {
    scroll-behavior: smooth;
}

/* 当前页面高亮 */
.nav-link.active {
    color: #4e73df !important;
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #4e73df;
    border-radius: 2px;
}

/* 按钮悬停效果增强 */
.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 卡片悬停效果 */
.feature-card {
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 响应式调整 */
@media (max-width: 768px) {
    #backToTop {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .notification {
        left: 20px;
        right: 20px;
        max-width: none;
    }
}