/* =================================================================
   Lawrenclia | 统一全局样式表 (style.css)
================================================================= */

/* =========================
   1. 全局变量与基础样式
========================= */

* {
    box-sizing: border-box;
}

:root {
    /* 主题色 */
    --accent: #ff6b9a;
    --accent-light: #ff8cae;

    /* 亮色主题 (Light Mode) */
    --bg: #f5f5f7; /* (来自 index.css) */
    --text: #111;
    --muted: #666;
    --card-bg: #fff;
    --card-shadow: 0 6px 16px rgba(16, 24, 40, 0.06);
    --border: rgba(0, 0, 0, 0.08);
    --link: #0066cc;

    /* 亮色 - 玻璃效果变量 (来自 index.css / common.css) */
    --c-glass: #bbbbbc;
    --c-light: #fff;
    --c-dark: #000;
    --glass-reflex-dark: 1;
    --glass-reflex-light: 1;
    --saturation: 150%;

    /* 亮色 - 导航栏 */
    --nav-text: #1d1d1f;
    --nav-link-hover-bg: rgba(0, 0, 0, 0.03);

    /* 亮色 - 留言板 */
    --disclaimer-bg: #fffbe6;
    --disclaimer-border: #ffe58f;
    --disclaimer-text: #d46b08;
    --cancel-btn-bg: #f0f0f0;
    --cancel-btn-text: #333;
    --cancel-btn-hover: #e0e0e0;
    
    /* 首页专属变量 */
    --index-text: #ffffff; /* 首页卡片文字 (白色) */
    --index-muted: rgba(255, 255, 255, 0.8);
    --index-radius: 32px;
    --random-bg-url: none;
}

body.dark-theme {
    /* 暗色主题 (Dark Mode) */
    --bg: #1a1a1a;
    --text: #f0f0f0;
    --muted: #bbb;
    --card-bg: #2d2d2d;
    --card-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    --border: rgba(255, 255, 255, 0.1);
    --link: #66b2ff;

    /* 暗色 - 玻璃效果变量 */
    --c-glass: #bbbbbc;
    --c-light: #fff;
    --c-dark: #000;
    --glass-reflex-dark: 2;
    --glass-reflex-light: 0.3;
    --saturation: 150%;
    
    /* 暗色 - 导航栏 */
    --nav-text: #f0f0f0;
    --nav-link-hover-bg: rgba(255, 255, 255, 0.05);
    
    /* 暗色 - 留言板 */
    --disclaimer-bg: #332d00;
    --disclaimer-border: #5c5000;
    --disclaimer-text: #ffd56b;
    --cancel-btn-bg: #3a3a3a;
    --cancel-btn-text: #f0f0f0;
    --cancel-btn-hover: #4a4a4a;
    
    /* 首页专属变量 (暗色) */
    --index-text: #f0f0f0;
    --index-muted: rgba(200, 200, 200, 0.7);
}

/* 基础 HTML, Body 样式 */
/* ✨ 修复: 拆分 html 和 body 规则 */
html {
    height: 100%;
}
body {
    height: 100%;
    width: 100%;
    margin: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg); /* <-- 背景只在 body 上 */
    color: var(--text); /* 默认为非首页的文字颜色 */
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease;
}

/* =========================
   2. 共享组件 (Navbar, Footer, SVG)
========================= */

/* --- 导航栏 (Navbar) --- */
.navbar {
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 30;
    width: min(800px, calc(100% - 40px));
    border-radius: 18px;
    padding: 0 28px;
    overflow: hidden;
    
    /* 玻璃样式 */
    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    border: none;
    
    backdrop-filter: blur(3px) saturate(var(--saturation));
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));

    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));

    box-shadow:
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent),
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent),
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent),
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent),
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent),
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent),
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent),
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent),
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
    
    transition:
        background-color 400ms cubic-bezier(1, 0.0, 0.4, 1),
        box-shadow 400ms cubic-bezier(1, 0.0, 0.4, 1),
        transform 0.3s ease;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-right: auto;
}

.brand {
    font-weight: 600;
    font-size: 20px;
    letter-spacing: 0.2px;
    color: var(--nav-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 导航栏右侧 */
.nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 12px;
    border-radius: 10px;
    font-weight: 400;
    font-size: 14px;
    color: var(--nav-text);
    text-decoration: none;
    transition: all .2s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

/* 主题切换按钮 */
.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--nav-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

/* --- 页脚 (Footer) --- */
/* (来自 index.css，现已全局化) */
footer {
    text-align: center;
    font-size: 14px;
    padding: 30px 10px;
    border-top: 1px solid var(--border);
    margin-top: 60px;
    background: var(--bg);
    color: var(--muted);
    
    /* 首页的页脚是透明的，位于 .wrap 内部 */
    .page-index &,
    .page-404 &,
    .page-construct & {
        margin-top: 30px;
        color: var(--index-muted);
        font-size: 13px;
        text-align: center;
        z-index: 2;
        position: relative;
        letter-spacing: 0.2px;
        border: none; /* 首页页脚无边框 */
        background: transparent; /* 首页页脚透明 */
    }
}


/* --- SVG 滤镜 (隐藏) --- */
.svg-filter-container {
    width: 0;
    height: 0;
    position: absolute;
    visibility: hidden;
}

/* =========================
   3. 页面布局 (Layouts)
========================= */

/* --- 首页布局 (Index, 404, Construct) --- */
.page-index body,
.page-404 body,
.page-construct body {
    color: #1d1d1f; /* 首页默认文字颜色 */
}

.page-index .wrap,
.page-404 .wrap,
.page-construct .wrap {
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 92px 36px 36px 36px;
    position: relative;
    overflow: hidden;
}

/* 首页背景图层 */
.page-index .wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image: var(--random-bg-url);
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    filter: brightness(0.8) saturate(1.05);
    transform: scale(1.02);
    transition: all 1.5s ease;
}
body.dark-theme.page-index .wrap::after {
    filter: brightness(0.6) saturate(1.05);
}

/* 首页遮罩层
.page-index .wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
} */

.page-index .wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    
    background: 
        /* 1. 点阵图层 */
        radial-gradient(
            circle at 1px 1px, 
            rgba(0, 0, 0, 0.15) 1px, /* 点的颜色和大小 */
            transparent 0
        ),
        /* 2. 底层蒙版 (可选，如果你还想要之前的渐变) */
        linear-gradient(
            180deg, 
            rgba(0, 0, 0, 0.0) 0%, 
            rgba(0, 0, 0, 0.4) 100%
        );
    
    /* 并且添加/修改 background-size 属性：*/
    background-size: 5px 5px, 100%; /* 5px 5px 是点阵的间距 */

    z-index: 1;
}

/* --- 内容页布局 (About, Blog, Projects, Message) --- */
.page-about .wrap,
.page-blog .wrap,
.page-projects .wrap,
.page-message .wrap,
.page-blog-post .wrap,
.page-mc .wrap {
    max-width: 800px;
    margin: 100px auto 40px auto;
    padding: 0 20px;
}

/* 内容页 <article> 基础样式 (来自 common.css) */
article {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 28px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

article h2 {
    margin-top: 0;
    color: var(--text);
    font-size: 22px;
}

article p {
    margin: 12px 0;
    color: var(--muted);
}

/* =========================
   4. 页面专属样式
========================= */

/* --- 4.1 首页 (page-index) --- */
.page-index .avatar {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: color-mix(in srgb, var(--c-glass) 15%, transparent);
    
    backdrop-filter: blur(5px) saturate(var(--saturation));
    -webkit-backdrop-filter: blur(5px) saturate(var(--saturation));
    
    padding: 4px;
    border: none;
    box-shadow:
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 20%), transparent),
        inset 0 1px 2px 0 color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 40%), transparent),
        inset 0 -1px 1px 0 color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent),
        0 8px 25px rgba(0, 0, 0, 0.15);
    transition:
        background-color 400ms cubic-bezier(1, 0.0, 0.4, 1),
        box-shadow 400ms cubic-bezier(1, 0.0, 0.4, 1),
        transform 0.3s ease;
}
.page-index .avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: filter 0.3s ease;
    filter: brightness(0.95);
}
body.dark-theme.page-index .avatar img {
    filter: brightness(0.8);
}

.page-index .card,
.page-404 .card,
.page-construct .card {
    width: 100%;
    max-width: 420px;
    border-radius: var(--index-radius);
    padding: 25px;
    margin-top: 20px;
    position: relative;
    z-index: 2;
    color: var(--index-text); /* 首页使用白色文字 */
    
    /* 玻璃样式 */
    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    border: none;

    backdrop-filter: blur(3px) saturate(var(--saturation));
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));

    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    
    box-shadow:
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent),
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent),
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent),
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent),
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent),
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent),
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent),
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent),
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
    
    transition:
        background-color 400ms cubic-bezier(1, 0.0, 0.4, 1),
        box-shadow 400ms cubic-bezier(1, 0.0, 0.4, 1),
        transform 0.3s ease;
}

.page-index .deco {
    margin-top: -20px;
}
.page-index .status-message {
    padding: 12px 16px;
    line-height: 1.6;
    text-align: center;
}
.page-index .status-message h2,
.page-index .status-message h3 {
    margin: 6px 0;
    font-weight: 600;
    line-height: 1.3;
}
.page-index .status-message h2 {
    font-size: 22px;
    letter-spacing: -0.3px;
    color: var(--index-text);
}
.page-index .status-message h3 {
    font-size: 16px;
    color: var(--index-muted);
    font-weight: 400;
}
.page-index .icon-tags {
    display: flex;
    gap: 14px;
    justify-content: center;
    margin-top: -5px;
}
.page-index .icon-tag {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    /* 继承 .card 的液态背景，此处不设置滤镜 */
    background: var(--glass);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.2s ease;
}
.page-index .icon-tag img {
    width: 50%;
    height: 50%;
    filter: invert(100%);
    transition: all 0.2s ease;
}


/* --- 4.2 关于 (page-about) --- */
.page-about {
    /* body specific background */
    --bg: linear-gradient(90deg, #e8e8ff 0%, #e8fffb 100%);
}
.page-about article {
    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    border: none;
    
    backdrop-filter: blur(3px) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));

    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    
    box-shadow: 
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent), 
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent), 
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent), 
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent), 
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
    
    color: var(--text);
}
.page-about article h2, .page-about article h3 {
    color: var(--text);
}
.page-about article p {
    color: var(--muted);
}
.page-about article a {
    color: var(--link);
}
/* 统一卡片悬停效果 */
.page-about article,
.page-projects .item,
.page-blog .blog-card,
.page-message .message-item,
.page-mc .mc-card {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                background-color 400ms cubic-bezier(1, 0.0, 0.4, 1),
                box-shadow 400ms cubic-bezier(1, 0.0, 0.4, 1);
}
.page-about article:hover,
.page-projects .item:hover,
.page-blog .blog-card:hover,
.page-message .message-item:hover,
.page-mc .mc-card:hover {
    transform: scale(1.03);
}

/* --- 4.3 项目 (page-projects) --- */
.page-projects {
    --bg: linear-gradient(90deg, #e5feff 0%, #bde6ff 100%);
}
.page-projects .grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.page-projects .item {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    text-align: center;
    padding: 40px 20px;
    text-decoration: none;
    
    color: var(--text);
    
    /* 玻璃样式 */
    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    border: none;
    
    backdrop-filter: blur(3px) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));

    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    
    box-shadow: 
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent), 
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent), 
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent), 
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent), 
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
    
    transition: 
        background-color 400ms cubic-bezier(1, 0.0, 0.4, 1),
        box-shadow 400ms cubic-bezier(1, 0.0, 0.4, 1),
        transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.page-projects .item h3 {
    margin: 0;
    font-size: 18px;
    font-weight: bold;
    color: var(--text);
}
.page-projects .item p {
    margin-top: 10px;
    font-size: 14px;
    color: var(--muted);
}

/* --- 4.4 博客列表 (page-blog) --- */
.page-blog {
    --bg: linear-gradient(90deg, #f5e8ff 0%, #ffe8f5 100%);
}
.page-blog .blog-card {
    display: flex;
    padding: 10px; 
    overflow: hidden;
    color: var(--text);
    
    /* 玻璃样式 (覆盖 article 基础样式) */
    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    border: none;
    
    backdrop-filter: blur(3px) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));

    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    
    box-shadow: 
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent), 
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent), 
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent), 
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent), 
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
}
.page-blog .blog-card-image-link {
    flex-shrink: 0;
    display: block;
}
.page-blog .blog-card-image {
    width: 220px;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 12px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}
.page-blog .blog-card-image-link:hover .blog-card-image {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}
.page-blog .blog-card-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 24px;
}
.page-blog .blog-card-content h2 {
    margin-bottom: 8px;
}
.page-blog .blog-card-content h2 a {
    /* ✨ 修复: 使用标准黑/白文字 */
    color: var(--text); 
    text-decoration: none;
    transition: color 0.3s ease;
}
.page-blog .blog-card-content h2 a:hover {
    color: var(--accent);
}

/* ✨ 修复: 使 .blog-card-tags 样式全局化 */
.page-blog .blog-card-tags,
.page-blog-post .blog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px; /* 默认 margin */
}
.page-blog .blog-card-tags span,
.page-blog-post .blog-card-tags span {
    background: rgba(255, 107, 154, 0.1);
    color: var(--accent);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 8px;
}

.page-blog .blog-card-description {
    margin: 0 0 16px 0;
    flex-grow: 1;
    color: var(--muted);
}
.page-blog .blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--muted);
}
.page-blog .blog-card-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* --- 4.5 博客文章 (page-blog-post) --- */
.page-blog-post {
    --bg: #f5e8ff; /* (来自 blog.css) */
}
body.dark-theme.page-blog-post {
    --bg: #1a1a1a;
}
.page-blog-post .blog-post {
    padding: 32px 40px;
}
.page-blog-post .blog-post h1 {
    font-size: 32px;
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--text);
}
.page-blog-post .blog-post h2 {
    font-size: 24px;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}
.page-blog-post .blog-post h3 {
    font-size: 20px;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--text);
}
.page-blog-post .blog-post .blog-card-meta {
    font-size: 14px;
    margin-bottom: 16px;
    color: var(--muted);
}
.page-blog-post .blog-post .blog-card-tags {
    margin-bottom: 24px; /* 覆盖 page-blog-post 的 margin */
}
.page-blog-post .blog-post-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 24px;
}
.page-blog-post .blog-post-content {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
}
.page-blog-post .blog-post-content p {
    margin-top: 0;
    margin-bottom: 1.2em;
}
.page-blog-post .blog-post-content ul,
.page-blog-post .blog-post-content ol {
    padding-left: 24px;
    margin-bottom: 1.2em;
}
.page-blog-post .blog-post-content li {
    margin-bottom: 0.5em;
}
.page-blog-post .blog-post-content hr {
    border: 0;
    height: 1px;
    background-color: var(--border);
    margin: 32px 0;
    clear: both;
}
.page-blog-post .back-link {
    display: inline-block;
    margin-top: 24px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.2s ease;
}
.page-blog-post .back-link:hover {
    transform: translateX(-4px);
}
.page-blog-post .image-float-left {
    float: left;
    width: 200px;
    margin-right: 24px;
    margin-bottom: 16px;
    border-radius: 12px;
    object-fit: cover;
}
.page-blog-post .guide-container {
    background: #fdf8ff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px 32px;
    margin-top: 32px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.04);
}
body.dark-theme.page-blog-post .guide-container {
    background: rgba(0, 0, 0, 0.1);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}
.page-blog-post .guide-container h1 {
    font-size: 26px;
    margin-top: 0;
    color: var(--accent);
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}
.page-blog-post .guide-container h2 {
    font-size: 20px;
    color: var(--text);
    border-left: 3px solid var(--accent);
    padding-left: 10px;
    margin-top: 24px;
    border-bottom: none;
}
.page-blog-post .guide-container h3 {
    font-size: 18px;
    color: var(--muted);
    border-bottom: none;
    margin-top: 20px;
}
.page-blog-post .guide-container summary {
    cursor: pointer;
    list-style: none;
    outline: none;
}
.page-blog-post .guide-container summary::-webkit-details-marker {
    display: none;
}
.page-blog-post .guide-container summary h1 {
    margin-bottom: 0;
    transition: margin 0.3s ease;
}
.page-blog-post .guide-container details[open] summary {
    margin-bottom: 24px;
}
.page-blog-post .guide-container ul {
    padding-left: 20px;
}
.page-blog-post .warning-box {
    background: rgba(255, 107, 154, 0.05);
    border: 1px solid rgba(255, 107, 154, 0.3);
    border-radius: 8px;
    padding: 16px 24px;
    margin-top: 24px;
}
.page-blog-post .warning-box h2 {
    color: var(--accent);
    margin-top: 0;
    border-left: none;
    padding-left: 0;
    border-bottom: none;
}
body.dark-theme.page-blog-post .warning-box {
    background: rgba(255, 107, 154, 0.1);
}


/* --- 4.6 留言 (page-message) --- */
.page-message {
    --bg: linear-gradient(90deg, #efffe8 0%, #e6faff 100%);
}
body.dark-theme.page-message {
    --bg: #1a1a1a;
}
.page-message .guestbook-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.page-message .guestbook-header h2 {
    margin: 0;
    color: var(--text);
    font-size: 24px;
}

#leave-message-btn {
    border: none;
    color: #fff; 
    padding: 10px 20px;
    border-radius: 12px; 
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    
    /* 恢复玻璃样式 */
    background-color: color-mix(in srgb, var(--accent) 80%, transparent); /* 玻璃效果使用带透明度的粉色 */
    

    backdrop-filter: blur(3px) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));

    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    
    box-shadow: 
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent), 
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent), 
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent), 
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent), 
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
    
    transition: 
        background-color 400ms cubic-bezier(1, 0.0, 0.4, 1),
        box-shadow 400ms cubic-bezier(1, 0.0, 0.4, 1),
        transform 0.3s ease;
}
#leave-message-btn:hover {
    background-color: color-mix(in srgb, #ff4f87 80%, transparent); /* 悬停时颜色变深 */
    transform: scale(1.07);
}

.page-message .disclaimer {
    background-color: var(--disclaimer-bg);
    border: 1px solid var(--disclaimer-border);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 25px;
    color: var(--disclaimer-text);
    font-size: 14px;
}
.page-message .message-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.page-message .message-item {
    border-radius: 16px;
    padding: 20px;
    display: flex;
    gap: 15px;
    position: relative;
    padding-bottom: 40px;
    color: var(--text);

    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    border: none;
    
    backdrop-filter: blur(3px) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));

    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    
    box-shadow: 
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent), 
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent), 
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent), 
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent), 
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
    

    transition: 
        background-color 400ms cubic-bezier(1, 0.0, 0.4, 1),
        box-shadow 400ms cubic-bezier(1, 0.0, 0.4, 1),
        transform 0.3s ease;
}
.page-message .message-number {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
    line-height: 1;
}
.page-message .message-details {
    flex-grow: 1;
    position: relative;
}
.page-message .message-text {

    color: var(--text);
    white-space: pre-wrap;
    word-break: break-word;
    margin-top: 0;
}
.page-message .message-author {
    position: absolute;
    right: 0;
    bottom: -5px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
    padding: 5px 10px;
    background: transparent; 
    border-radius: 8px 0 16px 0;
}

/* 留言弹窗 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    border-radius: 16px;
    padding: 24px;
    width: 90%;
    max-width: 500px;
    transform: scale(0.95);
    
    /* 玻璃样式 */
    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    border: none;
    

    backdrop-filter: blur(3px) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));

    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    
    box-shadow: 
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent), 
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent), 
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent), 
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent), 
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
    
    transition: 
        transform 0.3s,
        background-color 400ms cubic-bezier(1, 0.0, 0.4, 1),
        box-shadow 400ms cubic-bezier(1, 0.0, 0.4, 1);
}
.modal-overlay.visible .modal-content {
    transform: scale(1);
}

body.dark-theme .modal-content input[type="text"],
body.dark-theme .modal-content textarea {
    border: 1px solid #ff6b9a; 
    color: var(--text); 
    background-color: var(--cancel-btn-bg); 
}

.modal-content h3 {
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--accent);
}
.modal-content input[type="text"],
.modal-content textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
    color: var(--text); 
}
body.dark-theme .modal-content input[type="text"],
body.dark-theme .modal-content textarea {
    border: 1px solid #ff6b9a; 
    color: var(--text); 
}
.modal-content input[type="text"]::placeholder,
.modal-content textarea::placeholder {
    color: var(--muted);
    opacity: 0.8;
}
.modal-content textarea {
    min-height: 120px;
    font-size: 16px;
    font-family: inherit;
    resize: vertical;
}
.modal-actions {
    margin-top: 16px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}
.modal-actions button {
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    

    backdrop-filter: blur(3px) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));

    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation)); 
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    
    box-shadow: 
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent), 
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent), 
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent), 
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent), 
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent), 
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent), 
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
    
    transition: 
        background-color 400ms cubic-bezier(1, 0.0, 0.4, 1),
        box-shadow 400ms cubic-bezier(1, 0.0, 0.4, 1),
        transform 0.3s ease;
}
.modal-actions button:hover {
    transform: scale(1.03); 
}
#cancel-btn {
    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    color: var(--cancel-btn-text); 
}
#cancel-btn:hover {
    transform: scale(1.03);
}
#submit-btn {
    background-color: #ff6b9a;
    color: #fff; 
}
#submit-btn:hover {
    background-color: #ff4f87; 
    transform: scale(1.03);
}


/* --- 4.9 Minecraft 画廊 (page-mc) --- */
.page-mc {
    --bg: linear-gradient(90deg, #e8f2ff 0%, #eaf8f1 100%);
}
body.dark-theme.page-mc {
    --bg: #1a1a1a;
}
.page-mc .mc-hero {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    padding: 24px;
    margin-bottom: 24px;

    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    border: none;
    backdrop-filter: blur(3px) saturate(var(--saturation));
    -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));
    backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    -webkit-backdrop-filter: blur(3px) url(#lg-dist) saturate(var(--saturation));
    box-shadow:
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent),
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent),
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent),
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent),
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent),
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent),
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent),
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent),
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
}
.page-mc .mc-hero:hover {
    transform: scale(1.02);
}
.page-mc .mc-meta {
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--muted);
}
.page-mc .mc-hero h1 {
    margin: 8px 0 6px;
    font-size: 26px;
    color: var(--text);
}
.page-mc .mc-subtitle {
    margin: 0;
    color: var(--muted);
}
.page-mc .mc-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}
.page-mc .mc-card {
    margin: 0;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    padding: 6px;
    background-color: color-mix(in srgb, var(--c-glass) 12%, transparent);
    border: none;
    box-shadow:
        inset 0 0 0 1px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 10%), transparent),
        inset 1.8px 3px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 90%), transparent),
        inset -2px -2px 0px -2px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 80%), transparent),
        inset -3px -8px 1px -6px color-mix(in srgb, var(--c-light) calc(var(--glass-reflex-light) * 60%), transparent),
        inset -0.3px -1px 4px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 12%), transparent),
        inset -1.5px 2.5px 0px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent),
        inset 0px 3px 4px -2px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 20%), transparent),
        inset 2px -6.5px 1px -4px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent),
        0px 1px 5px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 10%), transparent),
        0px 6px 16px 0px color-mix(in srgb, var(--c-dark) calc(var(--glass-reflex-dark) * 8%), transparent);
}
.page-mc .mc-image {
    width: 100%;
    aspect-ratio: 2560 / 1300;
    min-height: 200px; /* 保底高度，确保横向观感 */
    height: auto;
    object-fit: cover;
    display: block;
    margin-bottom: 6px;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-mc .mc-image:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.2);
}
.page-mc .mc-caption {
    padding: 6px 10px 8px;
    margin: 0;
    font-size: 14px;
    color: var(--muted);
}

.mc-viewer {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 120;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    padding: 20px;
}
.mc-viewer.visible {
    opacity: 1;
    visibility: visible;
}
.mc-viewer-inner {
    position: relative;
    width: min(1100px, 96vw);
    max-height: 90vh;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 14px 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    transform: translateY(8px) scale(0.96);
    opacity: 0;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.28s ease;
}
.mc-viewer.visible .mc-viewer-inner {
    transform: translateY(0) scale(1);
    opacity: 1;
}
.mc-viewer img {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 10px;
    background: #000;
    opacity: 0;
    transform: scale(0.985);
    transition: opacity 0.22s ease, transform 0.22s ease;
}
.mc-viewer.visible img {
    opacity: 1;
    transform: scale(1);
}
.mc-viewer-caption {
    font-size: 14px;
    color: var(--muted);
}
.mc-viewer-close {
    position: absolute;
    top: 10px;
    right: 10px;
    border: none;
    background: rgba(0,0,0,0.08);
    color: var(--text);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background 0.2s ease;
}
.mc-viewer-close:hover {
    transform: scale(1.08);
    background: rgba(0,0,0,0.15);
}
.mc-viewer-close:focus-visible {
    outline: 2px solid var(--accent);
}


/* --- 4.7 404 (page-404) --- */
.page-404 .content-404 {
    text-align: center;
    padding: 20px 10px;
}
.page-404 .content-404 h1 {
    font-size: 80px;
    margin: 0;
    font-weight: 700;
    color: var(--index-text);
    line-height: 1.1;
}
.page-404 .content-404 p {
    margin: 10px 0 30px;
    font-size: 20px;
    color: var(--index-muted);
    font-weight: 400;
}
.page-404 .content-404 a {
    display: inline-block;
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
}
.page-404 .content-404 a:hover {
    background: #ff4a83;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* --- 4.8 施工中 (page-construct) --- */
.page-construct .content-construct {
    text-align: center;
    padding: 20px 10px;
}
.page-construct .content-construct .icon {
    font-size: 60px;
    color: var(--accent);
    margin-bottom: 20px;
}
.page-construct .content-construct h1 {
    font-size: 40px;
    margin: 0 0 10px 0;
    font-weight: 700;
    color: var(--index-text);
    line-height: 1.2;
}
.page-construct .content-construct p {
    margin: 10px 0 30px;
    font-size: 18px;
    color: var(--index-muted);
    font-weight: 400;
}
.page-construct .content-construct a {
    display: inline-block;
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
}
.page-construct .content-construct a:hover {
    background: #ff4a83;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* =========================
   5. 响应式适配 (Media Queries)
========================= */

/* --- 5.1 触摸设备 (Touch Devices) --- */
@media (hover: none) and (pointer: coarse) {
    .navbar:active {
        transform: translateX(-50%) scale(1.02);
    }

    /* 横屏移动端：加强导航玻璃效果防止丢失 */
    @media (orientation: landscape) {
        .navbar {
            background-color: color-mix(in srgb, var(--c-glass) 14%, transparent);
            backdrop-filter: blur(6px) saturate(var(--saturation));
            -webkit-backdrop-filter: blur(6px) saturate(var(--saturation));
        }
    }
    
    /* 首页, 404, Construct */
    .page-index .card:active,
    .page-404 .card:active,
    .page-construct .card:active {
        transform: scale(1.03);
    }
    .page-index .avatar:active {
        transform: translateY(-5px) scale(1.03);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    }
    
    .page-index .icon-tag:active {
        transform: scale(1.05); /* 从 0.95 改为 1.05 */
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }
    .page-index .icon-tag:active img {
        filter: invert(0%);
    }

    .nav-link:active {
        color: var(--nav-text);
        background: var(--nav-link-hover-bg);
        transform: translateY(-1px);
    }
    .theme-toggle:active {
        background: rgba(0, 0, 0, 0.05);
        transform: rotate(90deg);
    }
    body.dark-theme .theme-toggle:active {
        background: rgba(255, 255, 255, 0.1);
    }

    /* MC 画廊触摸反馈 */
    .page-mc .mc-image {
        transition: transform 0.18s ease;
    }
    .page-mc .mc-image:active {
        transform: scale(1.02);
    }
}


/* --- 5.2 桌面设备 (Hover Devices) --- */
@media (hover: hover) and (pointer: fine) {
    .navbar:hover {
        transform: translateX(-50%) scale(1.02);
    }
    body.dark-theme .navbar:hover {
        transform: translateX(-50%) scale(1.02);
    }
    .nav-link:hover {
        color: var(--nav-text);
        background: var(--nav-link-hover-bg);
        transform: translateY(-1px);
    }
    .nav-link:hover::after {
        width: 60%;
    }
    .theme-toggle:hover {
        background: rgba(0, 0, 0, 0.05);
        transform: rotate(90deg);
    }
    body.dark-theme .theme-toggle:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    /* 首页, 404, Construct */
    /* 将 :hover 效果应用到所有共享卡片 */
    .page-index .card:hover,
    .page-404 .card:hover,
    .page-construct .card:hover {
        transform: scale(1.03);
    }
    .page-index .wrap:hover::after {
        transform: scale(1.03);
    }
    .page-index .avatar:hover {
        transform: translateY(-5px) scale(1.03);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    }
    .page-index .icon-tag:hover {
        transform: scale(0.95);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }
    .page-index .icon-tag:hover img {
        filter: invert(0%);
    }
}


/* --- 5.3 移动端小屏幕 (Small Screens) --- */
@media (max-width: 600px) {
    
    /* 全局导航栏 */
    .navbar {
        padding: 0 10px;
        height: 48px;
        
        /* 移动端只保留 blur，删除 url() */
        backdrop-filter: blur(3px) saturate(var(--saturation));
        -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));
    }
    .nav-center {
        gap: 8px;
    }
    .brand div:first-of-type+div {
        font-size: 11px;
    }
    .nav-link {
        font-size: 11px;
        padding: 6px 6px;
    }
    
    /* 全局页脚 */
    footer,
    .page-index footer,
    .page-404 footer,
    .page-construct footer {
        font-size: 12px;
        margin-top: 30px;
    }

    /* 首页 (及 404, Construct) */
    /* 将响应式效果应用到所有共享卡片 */
    .page-index .card,
    .page-404 .card,
    .page-construct .card {
        max-width: 90vw;
        padding: 24px;
        border-radius: 24px;
        
        /* 移动端只保留 blur，删除 url() */
        backdrop-filter: blur(3px) saturate(var(--saturation));
        -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));
    }
    .page-index .avatar {
        width: 90px;
        height: 90px;
    }
    .page-index .status-message h2 {
        font-size: 18px;
    }
    .page-index .status-message h3 {
        font-size: 14px;
    }
    
    /* 博客列表 */
    .page-blog .blog-card {
        flex-direction: column; /* 垂直堆叠 */
    }
    .page-blog .blog-card-image {
        width: 100%;
        height: 180px;
    }
    .page-blog .blog-card-content {
        padding: 20px;
    }

    /* 博客文章 */
    .page-blog-post .blog-post {
        padding: 20px; /* 移动端文章内边距减小 */
    }
    .page-blog-post .image-float-left {
        float: none; /* 移动端取消浮动 */
        width: 100%; /* 图片占满宽度 */
        margin-right: 0;
    }
    .page-blog-post .guide-container {
        padding: 20px; /* 移动端提示框内边距减小 */
    }

    /* 留言板 */
    .page-message .message-item,
    .page-message .modal-content {
        /* 移动端只保留 blur，删除 url() */
        backdrop-filter: blur(3px) saturate(var(--saturation));
        -webkit-backdrop-filter: blur(3px) saturate(var(--saturation));
    }

    /* MC 画廊 */
    .page-mc .mc-gallery {
        grid-template-columns: 1fr;
    }
    .page-mc .mc-card {
        padding: 5px;
        border-radius: 14px;
    }
    .page-mc .mc-image {
        min-height: 180px;
        margin-bottom: 4px;
        border-radius: 10px;
    }
    .page-mc .mc-caption {
        padding: 5px 9px 7px;
        font-size: 13px;
    }
}