/* 基础容器 - 高级玻璃质感 + 硬件加速 */
    .cao-m-navbar {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        border-top: 1px solid rgba(230, 235, 245, 0.8);
        box-shadow: 
            0 -2px 10px rgba(0, 0, 0, 0.01),
            0 -8px 30px rgba(0, 0, 0, 0.03);
        z-index: 9999;
        padding: 15px 0 22px 0;
        box-sizing: border-box;
        border-top-left-radius: 28px;
        border-top-right-radius: 28px;
        font-family: -apple-system, BlinkMacSystemFont, PingFang SC, Microsoft YaHei, sans-serif;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
        will-change: transform;
    }

    /* 导航列表 - 黄金比例间距 */
    .cao-m-navbar ul {
        display: flex;
        justify-content: space-around;
        align-items: center;
        width: 100%;
        max-width: 750px;
        margin: 0 auto;
        padding: 0 20px;
        list-style: none;
        gap: 8px;
    }

    /* 普通导航项 - 宽松布局 + 避免重排 */
    .cao-m-navbar li {
        flex: 0 1 auto;
        text-align: center;
        position: relative;
        min-width: 60px;
    }

    /* 普通导航链接 - 精致卡片样式 + 丝滑过渡 */
    .cao-m-navbar a {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        color: #818B9E;
        text-decoration: none;
        font-size: 12px;
        padding: 12px 18px;
        border-radius: 22px;
        transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        width: 100%;
        position: relative;
        background: transparent;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
        user-select: none;
        -webkit-user-select: none;
        transform: translateZ(0);
    }

    /* 普通按钮hover/激活效果 - 高级渐变背景 */
    .cao-m-navbar li:not(:nth-child(3)) a:hover,
    .cao-m-navbar li:not(:nth-child(3)) a.cao-active {
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.04) 0%, rgba(124, 58, 237, 0.02) 100%);
        color: #6366f1;
        transform: translateY(-4px);
        box-shadow: 0 8px 15px rgba(99, 102, 241, 0.08);
    }

    /* 创作发布按钮 - 精致小巧+渐变光效 */
    .cao-m-navbar li:nth-child(3) a {
        background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
        color: white;
        padding: 11px 10px;
        border-radius: 20px;
        box-shadow: 
            0 6px 16px rgba(99, 102, 241, 0.22),
            inset 0 1px 0 rgba(255, 255, 255, 0.25),
            inset 0 -1px 0 rgba(0, 0, 0, 0.1);
        transform: translateY(-9px) translateZ(0);
        font-weight: 600;
        letter-spacing: 0.2px;
        min-width: 65px;
        position: relative;
        overflow: hidden;
    }

    /* 创作发布按钮光效动画 */
    .cao-m-navbar li:nth-child(3) a::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        transition: all 0.6s ease;
    }

    .cao-m-navbar li:nth-child(3) a:hover::before {
        left: 100%;
    }

    /* 创作发布按钮hover效果 */
    .cao-m-navbar li:nth-child(3) a:hover {
        transform: translateY(-11px) translateZ(0);
        box-shadow: 
            0 8px 20px rgba(99, 102, 241, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.3),
            inset 0 -1px 0 rgba(0, 0, 0, 0.15);
        background: linear-gradient(135deg, #585be0 0%, #7c52ee 100%);
    }

    /* 激活状态 */
    .cao-m-navbar a.cao-active {
        color: #6366f1;
        font-weight: 600;
        transition: all 0.15s ease;
    }

    /* 激活状态指示器 */
    .cao-m-navbar li:not(:nth-child(3)) a.cao-active::after {
        content: '';
        position: absolute;
        bottom: 10px;
        left: 50%;
        transform: translateX(-50%);
        width: 5px;
        height: 5px;
        background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
        border-radius: 50%;
        box-shadow: 0 0 8px rgba(99, 102, 241, 0.4);
        animation: cao-pulse 2.5s infinite ease-in-out;
    }

    /* 图标样式 */
    .cao-m-navbar .bi {
        font-size: 22px;
        margin-bottom: 7px;
        display: inline-block;
        transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        position: relative;
        transform: translateZ(0);
    }

    /* 创作发布按钮图标 */
    .cao-m-navbar li:nth-child(3) a .bi {
        color: white;
        font-size: 21px;
        margin-bottom: 5px;
        filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.12));
    }

    /* 激活/hover状态图标 */
    .cao-m-navbar a.cao-active .bi,
    .cao-m-navbar li:not(:nth-child(3)) a:hover .bi {
        color: #6366f1;
        transform: translateY(-4px) scale(1.08) translateZ(0);
        filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.15));
    }

    /* 文字样式 */
    .cao-m-navbar span {
        letter-spacing: 0.4px;
        line-height: 1.1;
        transition: all 0.2s ease;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.01);
    }

    /* 页面底部间距 */
    body {
        padding-bottom: 88px !important;
    }

    /* 兼容无毛玻璃效果的设备 */
    @supports not (backdrop-filter: blur(5px)) {
        .cao-m-navbar {
            background: linear-gradient(180deg, #ffffff 0%, #fafbff 100%);
            box-shadow: 
                0 -2px 15px rgba(0, 0, 0, 0.04),
                0 -8px 30px rgba(0, 0, 0, 0.06);
        }
    }

    /* 小屏手机适配 */
    @media (max-width: 375px) {
        .cao-m-navbar ul {
            padding: 0 15px;
            gap: 5px;
        }
        .cao-m-navbar li:nth-child(3) {
            min-width: 60px;
        }
        .cao-m-navbar .bi {
            font-size: 20px;
            margin-bottom: 6px;
        }
        .cao-m-navbar li:nth-child(3) a .bi {
            font-size: 20px;
        }
        .cao-m-navbar span {
            font-size: 11px;
            letter-spacing: 0.3px;
        }
        .cao-m-navbar a {
            padding: 10px 12px;
        }
    }

    /* 横屏适配 */
    @media (orientation: landscape) and (max-height: 500px) {
        .cao-m-navbar {
            padding: 10px 0 15px 0;
        }
        .cao-m-navbar li:nth-child(3) a {
            transform: translateY(-6px) translateZ(0);
            padding: 9px 8px;
        }
        .cao-m-navbar li:nth-child(3) a:hover {
            transform: translateY(-8px) translateZ(0);
        }
        body {
            padding-bottom: 72px !important;
        }
    }

    /* 呼吸动画 */
    @keyframes cao-pulse {
        0% {
            transform: translateX(-50%) scale(1);
            opacity: 1;
        }
        50% {
            transform: translateX(-50%) scale(1.2);
            opacity: 0.7;
        }
        100% {
            transform: translateX(-50%) scale(1);
            opacity: 1;
        }
    }

/* 导航项容器：手机端一排3个 */
.links-page-warp {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0 -6px;
    padding: 0 6px;
}
/* 导航项：固定宽度占比 + 入场动画基础样式 */
.link-col {
    flex: 0 0 calc(33.333% - 8px);
    max-width: calc(33.333% - 8px);
    opacity: 0;
    transform: translateY(10px);
    animation: fadeUp 0.3s ease forwards;
}
/* 卡片入场动画 */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* 卡片容器：强制垂直居中布局 + 触屏反馈 */
.link-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    padding: 20px 12px !important;
    height: 100% !important;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    touch-action: manipulation; /* 禁用双击缩放，提升点击响应 */
    transition: all 0.15s ease; /* 过渡动画 */
}
/* 触屏按压效果 */
.link-item:active {
    transform: scale(0.96); /* 点击时轻微缩小 */
    box-shadow: 0 2px 6px rgba(0,0,0,0.08) !important;
}
/* 已访问链接样式 */
.link-item.visited {
    opacity: 0.85;
}
.link-item.visited .text-dark {
    color: #666 !important;
}
/* 头像容器：强制居中+圆形 */
.link-img {
    width: 56px !important;
    height: 56px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 12px !important;
    overflow: hidden !important;
    border: 2px solid #f5f5f5 !important;
    margin-left: auto !important;
    margin-right: auto !important;
}
/* 头像图片：填充容器 */
.link-img img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
}
/* 标题容器：包裹标题+蓝V，实现对齐 */
.title-with-v {
    display: inline-flex;
    align-items: center;
    gap: 4px; /* 标题与蓝V的间距 */
    margin-bottom: 6px !important;
}
/* 标题样式 */
.title-with-v b {
    font-size: 14px !important;
    line-height: 1.4;
    color: #333;
    margin: 0 !important;
}
/* 蓝V标识：与标题垂直对齐 */
.title-with-v img[src*="renzheng.svg"] {
    height: 16px !important;
    width: 16px !important;
    vertical-align: middle !important;
    margin: 0 !important;
}
/* 描述样式：行数限制 */
.link-item p {
    font-size: 12px !important;
    line-height: 1.3;
    color: #888;
    margin-top: 4px !important;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 最多显示2行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0,0,0,0.8);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 999;
}
.back-to-top.show {
    opacity: 1;
    pointer-events: auto;
}
/* 小屏适配2列 */
@media (max-width: 375px) {
    .link-col {
        flex: 0 0 calc(50% - 6px);
        max-width: calc(50% - 6px);
    }
}
/* 平板端4列 */
@media (min-width: 768px) {
    .link-col {
        flex: 0 0 calc(25% - 9px);
        max-width: calc(25% - 9px);
    }
}
/* 电脑端5列 */
@media (min-width: 1200px) {
    .link-col {
        flex: 0 0 calc(20% - 10px);
        max-width: calc(20% - 10px);
    }
}
/* 空数据样式优化 */
.item-none {
    text-align: center;
    padding: 30px 0;
    background: #f8f9fa;
    border-radius: 10px;
    width: 100%;
}