/* 自定义样式 - 补充Tailwind CSS */

/* 隐藏滚动条 */
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

/* 轮播图容器 */
.hero-carousel {
    margin-top: 80px; /* 为固定头部留出空间 */
}

/* 动画类 */
.animate-on-scroll.opacity-0 {
    opacity: 0;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0) !important;
}

/* 选项卡激活状态 */
.filter-tab.bg-primary-600,
.news-tab.bg-primary-600 {
    background-color: #4338ca;
    border-color: #4338ca;
}

/* 轮播点激活状态 */
.carousel-dot.bg-white {
    background-color: white;
}

/* 导航栏样式 */
header.scrolled #nav-bar {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* 下拉菜单动画 */
.group:hover .group-hover\:visible {
    visibility: visible;
}

.group:hover .group-hover\:opacity-100 {
    opacity: 1;
}

/* 搜索框焦点样式 */
input:focus {
    outline: none;
}

/* 移动端菜单过渡 */
.nav-menu {
    transition: all 0.3s ease-in-out;
}

/* 语言按钮激活状态 */
.lang-btn.active {
    background-color: #1e293b;
}

/* 语言下拉菜单样式 */
.language-dropdown.active > div {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-dropdown.active button svg {
    transform: rotate(180deg);
}

.lang-option:hover {
    background-color: #334155;
}

/* 语言下拉菜单滚动 */
.language-dropdown ul {
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
}

/* 桌面端顶部语言菜单滚动条 */
header .language-dropdown ul::-webkit-scrollbar {
    width: 6px;
}

header .language-dropdown ul::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

header .language-dropdown ul::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

header .language-dropdown ul::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Footer中语言菜单滚动条 */
footer .language-dropdown ul::-webkit-scrollbar {
    width: 6px;
}

footer .language-dropdown ul::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

footer .language-dropdown ul::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

footer .language-dropdown ul::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* 移动端语言菜单滚动 */
.mobile-lang-menu {
    max-height: 350px;
    overflow-y: auto;
}

.mobile-lang-menu::-webkit-scrollbar {
    width: 6px;
}

.mobile-lang-menu::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 3px;
}

.mobile-lang-menu::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.mobile-lang-menu::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* 移动端下拉菜单 */
.mobile-dropdown button[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

/* 页脚样式 */
footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

/* 页脚链接悬停效果 */
footer a {
    position: relative;
}

footer a:hover {
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

/* 回到顶部按钮样式 */
.back-to-top {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-to-top.visible,
.back-to-top.opacity-100 {
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    transform: translateY(-4px) scale(1.1);
}

/* 订阅表单样式 */
footer input[type="email"] {
    background-color: #1e293b;
    border-color: #334155;
    color: #fff;
}

footer input[type="email"]:focus {
    border-color: #4338ca;
    box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.2);
}

/* 页脚数据卡片动画 */
footer .text-2xl {
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

/* 社交媒体按钮悬停效果 */
footer a.w-10:hover {
    transform: translateY(-3px) scale(1.15);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* 快速链接图标悬停 */
footer .text-primary-500 {
    transition: all 0.3s ease;
}

/* 产品圆点动画 */
footer .rounded-full {
    transition: all 0.3s ease;
}

footer a:hover .rounded-full {
    transform: scale(1.5);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.6);
}

/* 移动端底部导航 */
@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
    }

    #backToTop {
        bottom: 80px;
        right: 20px;
    }
}

@media (max-width: 640px) {
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
        padding: 8px 0;
        z-index: 1000;
        justify-content: space-around;
    }

    .mobile-bottom-nav .nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        font-size: 12px;
        color: #64748b;
    }

    .mobile-bottom-nav .nav-item.active {
        color: #4338ca;
    }

    .mobile-bottom-nav .nav-icon {
        font-size: 24px;
        margin-bottom: 4px;
    }
}

/* 导航链接下划线动画 */
.nav-menu a {
    position: relative;
}

/* 导航下拉箭头样式 */
.nav-arrow {
    color: #94a3b8;
    transition: all 0.3s ease;
}

/* 鼠标悬停时箭头样式 */
.nav-item-dropdown:hover .nav-arrow {
    color: #4338ca;
    transform: rotate(180deg);
}

/* 导航下拉项激活状态 */
.nav-item-dropdown:hover {
    position: relative;
}

.nav-item-dropdown:hover::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #4338ca, #6366f1);
    border-radius: 2px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 50%;
    background-color: #4338ca;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* 搜索框过渡 */
input[type="text"] {
    transition: all 0.3s ease;
}

input[type="text"]:focus {
    transform: scale(1.02);
}

/* Logo 悬停效果 */
a.group:hover .bg-gradient-to-br {
    transform: scale(1.1);
}

/* 页脚渐变边框效果 */
footer .bg-slate-800 {
    position: relative;
    overflow: hidden;
}

footer .bg-slate-800::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.2), transparent);
    transition: left 0.5s ease;
}

footer .bg-slate-800:hover::before {
    left: 100%;
}

/* 页脚联系信息卡片悬停 */
footer li.group:hover .bg-primary-500\/20 {
    background-color: rgba(99, 102, 241, 0.3);
    transform: scale(1.05);
}

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

/* 按钮悬停光晕效果 */
button:hover,
a:hover {
    transition: all 0.3s ease;
}