/* 通用重置和基础样式 */
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overflow-x: hidden; /* 防止水平滚动 */
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

/* 通用重置和基础样式 */
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 头部导航通用样式 */
header {
    background-color: black;
    height: 80px;
    width: 100%;
    position: relative;
    flex-shrink: 0;
}

header h1 {
    color: white;
    position: absolute;
    left: 120px;
    top: 0;
    line-height: 80px;
    font-size: 1.5rem;
    margin: 0;
}

header ul {
    position: absolute;
    right: 5vw;
    top: 0;
    line-height: 80px;
    margin: 0;
    padding: 0;
    list-style: none;
}

header li {
    display: inline;
    margin-right: 4vw;
}

header a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

header a:hover {
    color: #11cb5f;
}

.menu {
    display: none;
}

/* 移动端响应式 */
@media screen and (max-width: 768px) {
    header ul {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: black;
        flex-direction: column;
        padding: 10px 0;
        z-index: 1000;
    }
    
    header ul.show {
        display: flex;
    }
    
    header li {
        display: block;
        margin: 0;
        text-align: center;
        padding: 10px 0;
    }
    
    header h1 {
        left: 50%;
        transform: translateX(-50%);
        font-size: 1.3rem;
    }
    
    .menu {
        display: block;
        background-color: transparent;
        color: white;
        font-size: 24px;
        position: absolute;
        top: 15px;
        left: 20px;
        border: none;
        cursor: pointer;
        padding: 10px;
        z-index: 1001;
    }
}

/* 页脚通用样式 */
footer a{
    background-color: #000000;
    color: #ffffff;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    margin-top: auto;
    flex-shrink: 0;
    text-decoration: none;
}

/* 通用顶部加载条（GitHub 风格） */
#gh-loader-wrap {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    z-index: 9999;
    pointer-events: none;
    transform: translateZ(0);
    background: rgba(0,0,0,0.05);
    transition: opacity 0.25s ease;
}
#gh-loader-wrap.hide {
    opacity: 0;
    pointer-events: none;
}
#gh-loader {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #2ea44f 0%, #2f8f3e 55%, #239638 100%);
    box-shadow: 0 0 8px rgba(46, 164, 79, 0.8);
    transition: width 0.2s ease;
}
#gh-loader-tip {
    position: fixed;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.62);
    color: #fff;
    border-radius: 999px;
    font-size: 0.72rem;
    padding: 2px 9px;
    pointer-events: none;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.2s ease;
}
#gh-loader-tip.show {
    opacity: 1;
}