/* 导航区 */
/* 让 fixed-top 不遮挡内容 */
body {
/* 根据导航栏高度调整 */
padding-top: 76px; 
}

body:before {
    content: "";
    position: absolute;
    top: 0 !important;
    left: 0;
    right: 0;
    width: 100%;
    height: 550px;
    /* background-image: url(wp/wp-content/uploads/2023/07/blury-shape-bg-light.png); */
    background-image: linear-gradient(180deg, #ffffff03, #fdfcfd 85%),
    radial-gradient(ellipse at top left, #ffe48480, transparent 50%),
    radial-gradient(ellipse at top right, #24f93280, transparent 50%),
    radial-gradient(ellipse at center right, #712cf980, transparent 50%),
    radial-gradient(ellipse at center left, #d6338480, transparent 50%);
    background-size: cover;
    z-index: -1;
}

.dark-mode body:before {
    /* background-image: url(wp/wp-content/uploads/2024/01/blury-shape-bg-dark.png); */
    background-image: linear-gradient(180deg, #21252903, #212529 85%),
    radial-gradient(ellipse at top left, #ffe48480, transparent 50%),
    radial-gradient(ellipse at top right, #24f93280, transparent 50%),
    radial-gradient(ellipse at center right, #712cf980, transparent 50%),
    radial-gradient(ellipse at center left, #d6338480, transparent 50%);
}

body {
    background: #fdfcfd ;
}

.dark-mode body {
    background: #21252903;
}

.bg-light-pink {
    background: #fdfcfd;
}
.bg-light-blue {
    background: #fafaff;
}

.navbar {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.dark-mode .navbar {
	background: rgba(44,46,47,0.3) !important;
}


/* 菜单 hover 变蓝紫色 */
.navbar-nav .nav-link:hover {
color: #6a5acd !important; /* 蓝紫色 (SlateBlue) */
}

/* 下拉菜单项 hover 变蓝紫色 */
.navbar .dropdown-menu .dropdown-item:hover {
color: #6a5acd !important;
background-color: #fafaff ;
box-shadow: #f0f0f0 0px 4px 8px -2px, rgba(0, 0, 0, 0.1) 0px 2px 4px -1px;
border-radius: 0.6rem;
}
/* 下拉菜单加阴影，去掉边框 */
.navbar .dropdown-menu {
border-radius: 0.6rem;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); /* 柔和阴影 */
}
.navbar .dropdown-item {
    padding: 0.5rem 1rem; /* 增加内边距 */
}

/* 调整 PC 端 hover 下拉效果 */
@media (min-width: 992px) {
    .navbar .dropdown:hover .dropdown-menu {
        display: block;
        margin-top: 0;
    }
}

a {
    color: #282a2d;
}

a:hover {
    color: #6a5acd; /* 蓝紫色 (SlateBlue) */
}


/* 暗黑模式样式 */
body.dark-mode {
    background-color: #121212;
    color: #f8f9fa;
}
body.dark-mode .card {
    background-color: #1e1e1e;
    border-color: #333;
}
body.dark-mode .category-sidebar {
    background-color: #1a1a1a;
    border-right-color: #333;
}

/* 右下角按钮容器 */
.floating-buttons {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

/* 圆形按钮基础样式 */
.floating-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    /* 灰色背景 */
    background: rgba(255, 255, 255, 0.8);
    color: #282a2d; /* 深灰色 */
    /* transition: transform 0.3s ease; */
    /* opacity: 0;
    transform: translateY(20px); */
}


.floating-btn:hover {
    /* transform: scale(1.1); */
    background: rgba(106, 90, 205, 0.8); /* 蓝紫色 (SlateBlue) */
    color: white;
}

/* 暗黑模式切换按钮 */
.dark-mode-btn {
    background: #343a40;
    color: white;
}

/* 返回顶部按钮 */
.back-to-top {
    background: #6e48aa;
    color: white;
    display: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .floating-buttons {
        right: 15px;
        bottom: 15px;
    }
    .floating-btn {
        width: 45px;
        height: 45px;
        font-size: 14px;
    }
}

/* 滚动条优化 */
/* 隐藏默认滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
    background-color: transparent;
}

/* 滚动条轨道 */
::-webkit-scrollbar-track {
    background-color: transparent;
    border-radius: 4px;
}

/* 滚动条滑块 */
::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

/* 鼠标悬停时显示滚动条滑块 */
:hover::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.3);
}

/* 滚动条滑块悬停效果 */
::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.4);
}

/* 让所有锚点目标元素降低一些 */
:target {
    
    /* scroll-margin-top: 80px;  */
    /* 值等于导航栏高度 */
}

[id]::before {
    content: "";
    display: block;
    height: 80px;    /* 导航栏高度 */
    margin-top: -80px;
    visibility: hidden;
}