/* 通用页面样式 */

/* 新闻滑块 */
.news-slider {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.news-slider .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.news-slider .slide.active {
    opacity: 1;
}

/* 导航栏样式 */
.nav-logo-gradient {
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

.nav-logo-gradient::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.02) 50%, transparent 70%);
    pointer-events: none;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 用户头像悬停效果 */
.user-avatar:hover {
    transform: scale(1.05);
    transition: transform 0.2s ease;
}

/* 导航链接活跃状态 */
.nav-link-active {
    position: relative;
}

.nav-link-active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(135deg, #1A2E5C 0%, #0F1B3A 100%);
    border-radius: 1px;
}

/* 下拉菜单动画 */
.dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 移动端菜单动画 */
.mobile-menu {
    transition: all 0.3s ease-in-out;
}