/* 整体字体与背景 */
body {
    background-color: #ffffff;
    color: #333333;
    font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

/* 链接样式 */
a {
    color: #2980B9;
}
a:hover {
    color: #007ACC;
}

/* 代码块字体 */
code, pre, .rst-content code {
    font-family: "Courier New", "Consolas", monospace;
    font-size: 0.95em;
}

/* 标题字体 */
h1, h2, h3, h4, h5, h6 {
    font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 600;
}

h1 {
    font-size: 2.0em;
}

h2 {
    font-size: 1.6em;
}

h3 {
    font-size: 1.3em;
}


/* 搜索框背景 */
.wy-side-nav-search {
    background-color: #f5f5f5;
}

/* 侧边栏背景 */
.wy-nav-side {
    background-color: #ffffff;
}

/* 鼠标悬停时高亮 */
.wy-menu-vertical a:hover {
    background-color: #e6f2fa;
    color: #007ACC;
}


/* 当前选中项高亮 + 左边蓝色竖线 */
.wy-menu-vertical .current > a,
.wy-menu-vertical .current > a:hover {
    background-color: #f0f8ff;
    color: #2980B9;
    font-weight: bold;
    border-left: 4px solid #2980B9;
    padding-left: 12px; /* 避免文字紧贴竖线 */
}

/* 平滑过渡动画 */
.wy-menu-vertical a,
.wy-menu-vertical .current > a {
    transition: all 0.2s ease-in-out;
}