:root {
    --bg-blur: 8px;
    --main-width: 620px;
    --search-width: 580px;
    --search-height: 52px;
    --search-radius: 26px;
    --search-shadow: 0 4px 24px rgba(0, 0, 0, 0.10);
    --search-glow: 0 0 10px 2px #1a73e880;
    --quick-width: 85px;
    /* 快捷网址按钮宽度 */
    --quick-height: 40px;
    /* 快捷网址按钮高度 */
    --quick-radius: 20px;
    /* 快捷网址按钮圆角 */
    --quick-gap-x: 10px;
    --quick-gap-y: 10px;
    --quick-shadow: 0 2px 8px rgba(0, 0, 0, 0.10);
    --logo-size: 84px;
    --transition: background 0.3s, color 0.3s, box-shadow 0.2s;
    --search-bg: #fff;
    --search-color: #222;
    --quick-bg: #fff;
    --quick-color: #6e6b6b;
    /* 快捷网址文字颜色 */
    --quick-hover: #f0f4fa;
    --suggest-bg: #fff;
    --suggest-color: #222;
    --suggest-hover: #e8f0fe;
    --suggest-shadow: 0 8px 32px 0 rgba(26, 115, 232, 0.10);
}

@media (prefers-color-scheme: dark) {
    :root {
        --search-bg: #23272f;
        --search-color: #eee;
        --quick-bg: #23272f;
        --quick-color: #eee;
        --quick-hover: #2d3340;
        --suggest-bg: #23272f;
        --suggest-color: #eee;
        --suggest-hover: #2d3340;
        --search-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        --quick-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
        --search-glow: 0 0 10px 2px #338cfb99;
        --suggest-shadow: 0 8px 32px 0 rgba(51, 140, 251, 0.10);
    }

    body {
        background: #15181e;
    }
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: "微软雅黑", Arial, sans-serif;
    background: #f0f0f0;
    min-height: 100vh;
    overflow: hidden;
    transition: var(--transition);
}

/* 背景图片模糊 */
.bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('bj.jpg') no-repeat center center;
    background-size: cover;
    filter: blur(var(--bg-blur));
    z-index: 0;
    width: 100vw;
    height: 100vh;
}

/* 主体整体居中 */
.main {
    position: absolute;
    left: 50%;
    top: 28%;
    transform: translate(-50%, -50%);
    width: var(--main-width);
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
    z-index: 2;
}

/* LOGO区 */
.logo {
    margin-top: 20%;
    /* 调整LOGO位置 */
    margin-bottom: 28px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo img {
    width: var(--logo-size);
    height: var(--logo-size);
    object-fit: contain;
    display: block;
}

/* 搜索区整体容器 */
.search-group {
    width: var(--search-width);
    max-width: 98vw;
    margin-bottom: 22px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

/* 搜索栏本体 */
.search-bar {
    display: flex;
    align-items: center;
    background: var(--search-bg);
    border-radius: var(--search-radius);
    box-shadow: var(--search-shadow);
    width: 100%;
    height: var(--search-height);
    transition: var(--transition);
    padding: 0 16px 0 0;
    position: relative;
    border: none;
    outline: none;
    justify-content: center;
}

.search-bar.glow {
    box-shadow: var(--search-shadow), var(--search-glow);
}

.search-bar.glow[data-glow="blue"] { box-shadow: 0 0 8px 2px #63b1d8cc; }
.search-bar.glow[data-glow="green"] { box-shadow: 0 0 8px 2px #4caf50cc; }
.search-bar.glow[data-glow="red"] { box-shadow: 0 0 8px 2px #f44336cc; }
.search-bar.glow[data-glow="orange"] { box-shadow: 0 0 8px 2px #ff9800cc; }
.search-bar.glow[data-glow="pink"] { box-shadow: 0 0 8px 2px #e91e63cc; }
.search-bar.glow[data-glow="purple"] { box-shadow: 0 0 8px 2px #9c27b0cc; }
.search-bar.glow[data-glow="gray"] { box-shadow: 0 0 8px 2px #f3343488; }

/* 搜索引擎选择器 */
.engine-selector {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-right: 10px;
    padding-left: 14px;
    padding-right: 6px;
    border-radius: 22px 0 0 22px;
    background: transparent;
    height: 100%;
    user-select: none;
}

.engine-selector img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 8px #eee;
}

.engine-list {
    display: none;
    position: absolute;
    top: 48px;
    left: 0;
    background: var(--search-bg);
    border-radius: 12px;
    box-shadow: var(--search-shadow);
    padding: 8px 0;
    z-index: 10;
    min-width: 120px;
}

.engine-list div {
    padding: 8px 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    color: var(--search-color);
    transition: background 0.2s;
}

.engine-list div:hover {
    background: var(--quick-hover);
}

.engine-list img {
    width: 24px;
    height: 24px;
    margin-right: 8px;
    border-radius: 50%;
}

/* 搜索输入框 */
.search-bar input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 16px;
    background: transparent;
    color: var(--search-color);
    padding: 0 8px;
    height: 100%;
    border-radius: var(--search-radius);
    text-align: left;
}

/* 搜索按钮 */
.search-bar .search-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 22px;
    color: #aaa;
    margin-left: 8px;
    padding: 0 8px;
}

/* 下拉建议美化 */
.suggestions {
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    width: 100%;
    border-radius: 16px !important;
    box-sizing: border-box;
    background: var(--suggest-bg);
    box-shadow: var(--suggest-shadow);
    z-index: 9;
    text-align: left;
    display: none;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.22s cubic-bezier(.4, 0, .2, 1), transform 0.22s cubic-bezier(.4, 0, .2, 1);
}

.suggestions.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.suggestions div {
    padding: 0 28px;
    height: 46px;
    line-height: 46px;
    cursor: pointer;
    color: var(--suggest-color);
    font-size: 16px;
    background: transparent;
    border-bottom: 1px solid #f3f3f3;
    transition: background 0.18s, color 0.18s;
    position: relative;
    user-select: none;
}

.suggestions div:last-child {
    border-bottom: none;
}

.suggestions div.selected,
.suggestions div:hover {
    background: var(--suggest-hover);
    color: #1a73e8;
}

/* 快捷网址按钮区 */
.quick-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--quick-gap-y) var(--quick-gap-x);
    max-width: calc(var(--quick-width) * 6 + var(--quick-gap-x) * 5);
    /* width: calc(var(--quick-width) * 6 + var(--quick-gap-x) * 5); */
    /* 新增，强制宽度 */
    margin-left: auto;
    margin-right: auto;
    margin-top: 0;
}

.quick-link {
    width: var(--quick-width);
    height: var(--quick-height);
    display: flex;
    align-items: center;
    background: var(--quick-bg);
    border-radius: var(--quick-radius);
    font-size: 13px;
    /* 字体大小 */
    color: var(--quick-color);
    box-shadow: var(--quick-shadow);
    cursor: pointer;
    transition: box-shadow 0.18s, background 0.2s;
    justify-content: flex-start;
    text-decoration: none;
    overflow: hidden;
    white-space: nowrap;
    padding: 0 10px;
    font-weight: 400;
    letter-spacing: 0.5px;
    border: none;
    outline: none;
    position: relative;
    z-index: 1;
}

.quick-link img {
    width: 22px;
    height: 22px;
    margin-right: 7px;
    border-radius: 50%;
    flex-shrink: 0;
    background: #fff;
    object-fit: contain;
}

.quick-link[data-glow="blue"]:hover,
.quick-link[data-glow="blue"]:focus {
    box-shadow: var(--quick-shadow), 0 0 8px 2px #1a73e8cc;
}

.quick-link[data-glow="green"]:hover,
.quick-link[data-glow="green"]:focus {
    box-shadow: var(--quick-shadow), 0 0 8px 2px #3cc471cc;
}

.quick-link[data-glow="red"]:hover,
.quick-link[data-glow="red"]:focus {
    box-shadow: var(--quick-shadow), 0 0 8px 2px #ff4b4bcc;
}

.quick-link[data-glow="orange"]:hover,
.quick-link[data-glow="orange"]:focus {
    box-shadow: var(--quick-shadow), 0 0 8px 2px #ff9800cc;
}

.quick-link[data-glow="pink"]:hover,
.quick-link[data-glow="pink"]:focus {
    box-shadow: var(--quick-shadow), 0 0 8px 2px #ed6ea0cc;
}

.quick-link[data-glow="purple"]:hover,
.quick-link[data-glow="purple"]:focus {
    box-shadow: var(--quick-shadow), 0 0 8px 2px #8e44adcc;
}

.quick-link[data-glow="gray"]:hover,
.quick-link[data-glow="gray"]:focus {
    box-shadow: var(--quick-shadow), 0 0 8px 2px #63b1d8cc;
}

.quick-link:hover,
.quick-link:focus {
    color: var(--quick-color);
    background: var(--quick-bg);
}

/* 让 dock-bar 横向滚动且内容不被压缩，适配所有屏幕 */
.dock-bar-wrapper {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 40px;
    width: 100vw;
    overflow-x: hidden;
    z-index: 9999;
    pointer-events: auto; /* 修改为auto，允许鼠标事件 */
    display: flex;
    justify-content: center;
}

.dock-bar {
    display: flex;
    gap: 16px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.30);
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.10);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.18);
    width: max-content;
    min-width: 0;
    max-width: 100vw;
    overflow-x: auto;
    overflow-y: visible;      /* 允许tooltip溢出显示 */
    position: relative;       /* 作为tooltip定位参照 */
    pointer-events: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    transition: width 0.2s;
    margin: 0 auto;
    z-index: 1001;            /* 提高层级 */
}
.dock-bar::-webkit-scrollbar {
    display: none;
}
.dock-bar a {
    flex: 0 0 auto;            /* 图标不会被压缩或拉伸 */
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255,255,255,0.85);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: box-shadow 0.18s;
    margin: 0;
    padding: 0;
}
.dock-bar img {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: block;
    object-fit: contain;
    transition: box-shadow 0.18s;
    margin: 0;
    padding: 0;
}
.dock-bar img {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: block;
    object-fit: contain;
    transition: transform 0.22s cubic-bezier(0.4, 1.4, 0.4, 1.1);
}

/* 自定义 dock 栏 tooltip 样式 */
.dock-bar a.custom-tooltip {
    position: relative;
    z-index: 1002;
}

.dock-bar a.custom-tooltip:hover::after,
.dock-bar a.custom-tooltip:focus::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 12px); /* 让提示离dock栏更远一点，确保完全在外面 */
    transform: translateX(-50%);
    background: rgba(40,40,40,0.95);
    color: #fff;
    padding: 7px 16px;
    border-radius: 7px;
    white-space: nowrap;
    font-size: 14px;
    pointer-events: none;
    opacity: 1;
    z-index: 3000; /* 更高，确保浮在所有内容之上 */
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    transition: opacity 0.18s;
}

.dock-bar a.custom-tooltip::after {
    content: '';
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s;
}

/* 搜索栏宽度自适应小屏 */
@media (max-width: 700px) {
    :root {
        --main-width: 98vw;
        --search-width: 96vw;
        --quick-width: 22vw;
        --logo-size: 60px;
    }
    .main {
        position: static;
        left: auto;
        top: auto;
        transform: none;
        width: 98vw;
        min-width: 0;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        box-sizing: border-box;
    }
    .search-group {
        width: 96vw;
        max-width: 100vw;
        min-width: 0;
        margin: 0 auto 22px auto;
        display: flex;
        justify-content: center;   /* 新增：让内容居中 */
    }
    .search-bar {
        width: 100%;
        margin: 0 auto;            /* 新增：自身居中 */
        min-width: 0;
        box-sizing: border-box;
    }
}
@media (max-width: 500px) {
    :root {
        --quick-width: 32vw;
        --logo-size: 44px;
    }
    .main {
        width: 99vw;
    }
    .search-group {
        width: 94vw;
        max-width: 100vw;
    }
}

/* 浅色模式下 dock-bar 背景 */
.dock-bar {
    background: rgba(255,255,255,0.30);
    /* ...其它样式... */
}

/* 深色模式下 dock-bar 背景 */
@media (prefers-color-scheme: dark) {
    .dock-bar {
        background: rgba(35,39,47,0.80);
        border: 1px solid rgba(255,255,255,0.10);
    }
}

/* Dock栏图标悬停放大效果 */
.dock-bar a:hover img,
.dock-bar a:focus img {
    transform: scale(1.22);
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.18));
}

/* 
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未经授权，任何个人或组织不得复制、转载、传播、修改、镜像或以其他任何形式使用本网页的任何部分。
 */