/*! ============================================================
   Theme Name: OldTime 旧时光
   Theme URI: https://your-site.com
   Description: 复古纸张风格双栏主题，支持暗黑模式
   Version: 1.0.0
   Author: 林远
   ============================================================ */

/* ============================================================
   第一部分：CSS 变量 — 亮色 / 暗色 主题
   ============================================================ */

:root {
    /* ---- 背景色 ---- */
    --bg-body: #d8c8a8;
    --bg-body-gradient-start: #e8dcc8;
    --bg-body-gradient-end: #c8b89a;
    --bg-container: #a79c8661;/*#f7efe0*/
    --bg-container-gradient-start: #f3e9d64d;/*#f3e9d6*/
    --bg-container-gradient-end: #fbf5e86b;/*#fbf5e8*/
    
    /* ---- 边框色 ---- */
    --border-main: #8b7a5a;
    --border-light: #b8a484;
    --border-card: #b8a07e;
    --border-search: #c8b69a;
    
    /* ---- 文本色 ---- */
    --text-primary: #3c2e1f;
    --text-secondary: #7a684a;
    --text-muted: #8a7a60;
    --text-dark: #3f2e19;
    --text-btn: #3f2e19;
    
    /* ---- 卡片与背景 ---- */
    --bg-card: rgba(250, 244, 232, 0.5);
    --bg-card-hover: rgba(250, 244, 232, 0.8);
    --bg-sidebar: rgba(235, 222, 202, 0.4);
    --bg-tag: #e3d5be;
    --bg-tag-hover: #d0bea2;
    --bg-date: #ddd0b8;
    --bg-blockquote: #ede3d2;
    --bg-search: #fcf7ed;
    --bg-search-focus: #fffcf2;
    --bg-btn: #dac8b0;
    --bg-btn-hover: #c8b498;
    --tp-bg: url(https://img.alicdn.com/imgextra/i2/2448436640/O1CN01bg3pII1yvB1yomMN1_!!2448436640.jpg);
    /* ---- 导航 ---- */
    --nav-bg: rgba(200, 184, 154, 0.45);
    --nav-border: #c8b69a;
    --nav-text: #4d3822;
    --nav-text-hover: #2f1f0e;
    
    /* ---- 阴影 ---- */
    --shadow-main: 0 20px 60px rgba(40, 30, 15, 0.5);
    --shadow-inset: inset 0 0 30px rgba(160, 130, 90, 0.15);
    --shadow-card: 0 4px 12px rgba(80, 60, 30, 0.08);
    --shadow-btn: 0 2px 4px rgba(60, 40, 20, 0.1);
    --shadow-btn-hover: 0 4px 8px rgba(60, 40, 20, 0.15);
    --toggle-shadow: 0 2px 8px rgba(40, 30, 15, 0.2);
    --dropdown-shadow: 0 8px 24px rgba(40, 30, 15, 0.25);
    
    /* ---- 滚动条 ---- */
    --scroll-track: #ede3d2;
    --scroll-thumb: #b8a07e;
    --scroll-thumb-hover: #9a7f5e;
    
    /* ---- 其他 ---- */
    --footer-border: #b8a484;
    --footer-text: #7a684a;
    --ornament-color: #a58b6b;
    --accent-gold: #9a7f5e;
    --avatar-border: #c4ad8a;
    --about-text: #5a4a32;
    --blockquote-border: #b8a07e;
    --blockquote-bg: #ede3d2;
    --blockquote-text: #4f3d2a;
    --post-meta-tag: #5c4a32;
    --post-meta-bg: #e3d5be;
    --trans-speed: 0.3s;
}

/* ---- 暗色主题 ---- */
[data-theme="dark"] {
    /* ---- 背景色 ---- */
    --bg-body: #1a1410;
    --bg-body-gradient-start: #231d16;
    --bg-body-gradient-end: #1a1410;
    --bg-container: #241e17;
    --bg-container-gradient-start: #2a231b;
    --bg-container-gradient-end: #1e1812;
    
    /* ---- 边框色 ---- */
    --border-main: #6a5d4a;
    --border-light: #5a4d3a;
    --border-card: #6a5d4a;
    --border-search: #5a4d3a;
    
    /* ---- 文本色 ---- */
    --text-primary: #d4c9b8;
    --text-secondary: #a89880;
    --text-muted: #8a7a66;
    --text-dark: #d4c9b8;
    --text-btn: #d4c9b8;
    
    /* ---- 卡片与背景 ---- */
    --bg-card: rgba(50, 42, 34, 0.6);
    --bg-card-hover: rgba(60, 50, 40, 0.8);
    --bg-sidebar: rgba(45, 38, 30, 0.55);
    --bg-tag: #3d3228;
    --bg-tag-hover: #4d4034;
    --bg-date: #3d3228;
    --bg-blockquote: #2d241c;
    --bg-search: #2d241c;
    --bg-search-focus: #362d24;
    --bg-btn: #4d4034;
    --bg-btn-hover: #5d4d3e;
    --tp-bg: url(https://img.alicdn.com/imgextra/i4/2448436640/O1CN01ELTWEE1yvB20TKLzV_!!2448436640.jpg);
    /* ---- 导航 ---- */
    --nav-bg: rgba(45, 38, 30, 0.7);
    --nav-border: #5a4d3a;
    --nav-text: #d4c9b8;
    --nav-text-hover: #f0e4d0;
    
    /* ---- 阴影 ---- */
    --shadow-main: 0 20px 60px rgba(0, 0, 0, 0.7);
    --shadow-inset: inset 0 0 30px rgba(0, 0, 0, 0.4);
    --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-btn: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-btn-hover: 0 4px 10px rgba(0, 0, 0, 0.5);
    --toggle-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    --dropdown-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    
    /* ---- 滚动条 ---- */
    --scroll-track: #2d241c;
    --scroll-thumb: #5a4d3a;
    --scroll-thumb-hover: #7a6a54;
    
    /* ---- 其他 ---- */
    --footer-border: #5a4d3a;
    --footer-text: #a89880;
    --ornament-color: #8a7a66;
    --accent-gold: #c4a67a;
    --avatar-border: #6a5d4a;
    --about-text: #c4b8a6;
    --blockquote-border: #6a5d4a;
    --blockquote-bg: #2d241c;
    --blockquote-text: #c4b8a6;
    --post-meta-tag: #b8a890;
    --post-meta-bg: #3d3228;
}


/* ============================================================
   第二部分：全局重置 & 基调
   ============================================================ */




* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    color: var(--text-dark);
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-body);
    background-image: radial-gradient(ellipse at 20% 50%, var(--bg-body-gradient-start) 0%, var(--bg-body-gradient-end) 80%);
    font-family: 'Georgia', 'Times New Roman', '宋体', serif;
    color: var(--text-primary);
    padding: 0px 20px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    line-height: 1.7;
    transition: background var(--trans-speed), color var(--trans-speed);
}



/* 默认显示背景图 */
body::before {
    content: "";
    position: fixed;
    inset: -4px;
    z-index: 0;
    pointer-events: none;
    background-color: var(--bg-page);
    background-image: var(--tp-bg);
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% 100%;
}

/* 手机端移除背景图 */
@media (max-width: 768px) {
    body::before {
        background-image: none !important;
    }
}





/* ============================================================
   第三部分：主容器
   ============================================================ */

.blog-container {
    max-width: 1200px;
    width: 100%;
    background: var(--bg-container);
    background-image: linear-gradient(0deg, var(--bg-container-gradient-start) 0%, var(--bg-container-gradient-end) 100%);
    box-shadow: var(--shadow-main), var(--shadow-inset);
    padding: 30px 35px 45px;
    position: relative;
    border: 8px double var(--border-main);
    transition: background var(--trans-speed), border-color var(--trans-speed), box-shadow var(--trans-speed);
}

.blog-container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.06'/%3E%3C/svg%3E");
    pointer-events: none;
    opacity: 0.4;
    mix-blend-mode: multiply;
    transition: opacity var(--trans-speed);
}

[data-theme="dark"] .blog-container::before {
    opacity: 0.15;
    mix-blend-mode: overlay;
}


/* ============================================================
   第四部分：页眉
   ============================================================ */

.blog-header {
    text-align: center;
    border-bottom: 3px double var(--border-light);
    padding-bottom: 12px;
    margin-bottom: 28px;
    position: relative;
    transition: border-color var(--trans-speed);
}

.blog-header h1 {
    font-size: 3.8rem;
    font-weight: 700;
    letter-spacing: 6px;
    color: var(--text-dark);
    text-shadow: 2px 2px 0 rgba(218, 200, 176, 0.4), 4px 4px 0 rgba(100, 70, 40, 0.1);
    font-family: 'Times New Roman', 'Georgia', serif;
    word-break: break-word;
    transition: color var(--trans-speed), text-shadow var(--trans-speed);
}

[data-theme="dark"] .blog-header h1 {
    text-shadow: 2px 2px 0 rgba(60, 50, 40, 0.5), 4px 4px 0 rgba(0, 0, 0, 0.3);
}

.blog-header .subhead {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-secondary);
    letter-spacing: 4px;
    margin-top: 4px;
    border-top: 1px dashed var(--border-light);
    display: inline-block;
    padding-top: 6px;
    padding-left: 20px;
    padding-right: 20px;
    background: rgba(235, 220, 195, 0.2);
    border-radius: 10px;
    backdrop-filter: blur(2px);
    transition: color var(--trans-speed), border-color var(--trans-speed), background var(--trans-speed);
}

[data-theme="dark"] .blog-header .subhead {
    background: rgba(50, 42, 34, 0.3);
}

.header-ornament {
    font-size: 1.8rem;
    color: var(--ornament-color);
    letter-spacing: 12px;
    display: block;
    margin-top: 2px;
    opacity: 0.7;
    transition: color var(--trans-speed);
}



/* ============================================================
   第五部分：导航栏 & 暗黑切换按钮
   ============================================================ */

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: 16px;
    padding: 8px 18px;
    background: var(--nav-bg);
    border-radius: 10px;
    border: 1px solid var(--nav-border);
    backdrop-filter: blur(4px);
    transition: background var(--trans-speed), border-color var(--trans-speed);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .main-nav {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.main-nav .menu {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.main-nav .menu li {
    display: inline-block;
    position: relative;
}

.main-nav .menu li a {
    display: inline-block;
    padding: 4px 8px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--nav-text);
    text-decoration: none;
    letter-spacing: 0.8px;
    border-bottom: 2px solid transparent;
    transition: color var(--trans-speed), border-color var(--trans-speed), transform 0.15s;
    font-family: 'Georgia', 'Times New Roman', serif;
}

.main-nav .menu li a:hover {
    color: var(--nav-text-hover);
    border-bottom-color: var(--accent-gold);
    transform: translateY(-1px);
}

.main-nav .menu li+li::before {
    content: '•';
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-right: 12px;
    opacity: 0.6;
    transition: color var(--trans-speed);
}

[data-theme="dark"] .main-nav .menu li+li::before {
    color: #6a5d4a;
}

/* ---- 暗黑切换按钮 ---- */
.theme-toggle {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--nav-border);
    background: var(--bg-btn);
    color: var(--text-btn);
    font-size: 1.4rem;
    cursor: pointer;
    transition: background var(--trans-speed), border-color var(--trans-speed),
        color var(--trans-speed), transform 0.2s, box-shadow var(--trans-speed);
    box-shadow: var(--toggle-shadow);
    padding: 0;
    line-height: 1;
}

.theme-toggle:hover {
    transform: rotate(20deg) scale(1.05);
    background: var(--bg-btn-hover);
    border-color: var(--accent-gold);
}

.theme-toggle:active {
    transform: rotate(0deg) scale(0.92);
}

.theme-toggle .icon {
    display: inline-block;
    transition: transform 0.4s ease;
}

.theme-toggle .icon.rotate {
    transform: rotate(360deg);
}


/* ============================================================
   导航栏
   ============================================================ */
.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: 16px;
    padding: 8px 18px;
    background: var(--nav-bg);
    border-radius: 60px;
    border: 1px solid var(--nav-border);
    backdrop-filter: blur(4px);
    transition: background var(--trans-speed), border-color var(--trans-speed);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .main-nav {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.main-nav .menu {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.main-nav .menu > li {
    display: inline-block;
    position: relative;
}

.main-nav .menu > li > a {
    display: inline-block;
    padding: 4px 8px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--nav-text);
    text-decoration: none;
    letter-spacing: 0.8px;
    border-bottom: 2px solid transparent;
    transition: color var(--trans-speed), border-color var(--trans-speed), transform 0.15s;
    font-family: 'Georgia', 'Times New Roman', serif;
}

.main-nav .menu > li > a:hover {
    color: var(--nav-text-hover);
    border-bottom-color: var(--accent-gold);
    transform: translateY(-1px);
}

.main-nav .menu > li + li::before {
    content: '•';
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-right: 12px;
    opacity: 0.6;
    transition: color var(--trans-speed);
}

[data-theme="dark"] .main-nav .menu > li + li::before {
    color: #6a5d4a;
}

/* ============================================================
   分类下拉菜单
   ============================================================ */
.menu-item-has-children {
    position: relative;
}

.menu-item-has-children > a {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.dropdown-arrow {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

/* 箭头旋转 */
.menu-item-has-children.active .dropdown-arrow,
.menu-item-has-children:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* 子菜单 - 默认隐藏 */
.sub-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 160px;
    background: var(--bg-card-hover);/* --bg-container*/
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 8px 0;
    list-style: none;
    box-shadow: var(--dropdown-shadow);
    z-index: 999;
}

/* 子菜单三角形箭头 */
.sub-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--border-light);
}

.sub-menu::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 7px solid var(--bg-container);
}

.sub-menu li {
    padding: 0;
    margin: 0;
    border: none;
}

.sub-menu li a {
    display: block;
    padding: 8px 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    border-bottom: none !important;
    white-space: nowrap;
}

.sub-menu li a:hover {
    background: var(--bg-tag-hover);
    color: var(--nav-text-hover);
}

.sub-menu li a .category-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-left: 4px;
}

.sub-menu li + li {
    border-top: 1px dashed var(--border-light);
}

.sub-menu li + li::before {
    display: none !important;
}

/* ============================================================
   PC端：悬停显示
   ============================================================ */
@media (min-width: 769px) {
    .menu-item-has-children:hover .sub-menu {
        display: block !important;
        animation: dropdownFadeIn 0.25s ease;
    }
}

/* ============================================================
   手机端：点击显示
   ============================================================ */
@media (max-width: 768px) {
    .main-nav {
        border-radius: 30px;
        padding: 8px 14px;
    }

    .main-nav .menu > li > a {
        font-size: 0.9rem;
        padding: 4px 4px;
    }

    .main-nav .menu > li + li::before {
        margin-right: 6px;
    }

    /* 手机端点击才显示 */
    .menu-item-has-children.active .sub-menu {
        display: block !important;
        animation: dropdownFadeIn 0.25s ease;
    }
    
    /* 手机端子菜单位置调整 */
    .sub-menu {
        position: absolute;
        top: calc(100% + 4px);
        left: 50%;
        transform: translateX(-50%);
        min-width: 140px;
    }
    
    .sub-menu li a {
        padding: 6px 16px;
        font-size: 0.85rem;
        white-space: nowrap;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .main-nav {
        border-radius: 20px;
        padding: 6px 10px;
        gap: 4px 10px;
    }

    .main-nav .menu {
        gap: 4px 6px;
    }

    .main-nav .menu > li > a {
        font-size: 0.8rem;
        padding: 3px 4px;
        letter-spacing: 0.4px;
    }

    .main-nav .menu > li + li::before {
        content: '|';
        margin-right: 6px;
        font-size: 0.9rem;
    }

    .sub-menu {
        min-width: 120px;
        padding: 4px 0;
    }

    .sub-menu li a {
        padding: 5px 14px;
        font-size: 0.8rem;
    }
}

/* ============================================================
   下拉动画
   ============================================================ */
@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-8px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
    }
}

/* ============================================================
   暗色模式适配
   ============================================================ */
[data-theme="dark"] .sub-menu {
    background: var(--bg-container);
    border-color: var(--border-card);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .sub-menu::before {
    border-bottom-color: var(--border-card);
}

[data-theme="dark"] .sub-menu::after {
    border-bottom-color: var(--bg-container);
}

[data-theme="dark"] .sub-menu li a {
    color: var(--text-secondary);
}

[data-theme="dark"] .sub-menu li a:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

[data-theme="dark"] .sub-menu li + li {
    border-top-color: var(--border-card);
}

[data-theme="dark"] .sub-menu li a .category-count {
    color: var(--text-muted);
}





/* ============================================================
   第六部分：双栏布局
   ============================================================ */

.blog-grid {
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    gap: 40px;
    margin-top: 10px;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    min-width: 0;
}

.main-content img {
    max-width: 100%;
    height: auto;
}

.main-content p,
.main-content a,
.main-content div {
    overflow-wrap: break-word;
    word-break: break-all;
}


/* ============================================================
   第七部分：文章列表
   ============================================================ */

.post-list {
    list-style: none;
    margin-top: 0.5rem;
}

.post-item {
    padding: 1.2rem 0.5rem;
    border-bottom: 2px dashed #cda354;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    transition: background 0.15s ease;
    border-radius: 4px;
}

.post-item:hover {
    background: rgba(210, 195, 175, 0.15);
}

.post-date {
    font-size: 1.1rem;
    color: #5f5546;
    min-width: 100px;
    letter-spacing: 0.3px;
    font-weight: 450;
}

.post-date::before {
    content: "📅 ";
    font-size: 0.9rem;
    opacity: 0.6;
    margin-right: 2px;
}

.post-title-link {
    font-size: 1.45rem;
    flex: 1 1 240px;
    margin: 0 16px 0 10px;
    text-decoration: none;
    color: #2c2822;
    border-bottom: 1px dotted transparent;
    transition: color 0.15s, border-color 0.15s;
    padding: 4px 0;
    line-height: 1.4;
    font-weight: 450;
    letter-spacing: 0.3px;
}

.post-title-link:hover {
    color: #7d4e2b;
    border-bottom-color: #d4b696;
}

.post-comments {
    font-size: 1.05rem;
    color: #5f5546;
    font-weight: 450;
    background: rgba(180, 165, 145, 0.08);
    padding: 0.1rem 0.7rem;
    border-radius: 30px;
    white-space: nowrap;
    letter-spacing: 0.5px;
    border: 1px solid #ddd2c0;
    line-height: 1.6;
}

.post-list li:last-child {
    border-bottom: none;
}


/* ============================================================
   第八部分：文章详情
   ============================================================ */

.post {
    background: var(--bg-card);
    padding: 20px 24px 28px;
    border-left: 6px solid var(--border-card);
    border-radius: 0 12px 12px 0;
    box-shadow: inset 0 1px 4px rgba(255, 245, 220, 0.3), var(--shadow-card);
    transition: background var(--trans-speed), border-color var(--trans-speed), box-shadow var(--trans-speed);
}

.post:hover {
    background: var(--bg-card-hover);
}

.post-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
    line-height: 1.2;
    font-family: 'Times New Roman', 'Georgia', serif;
    letter-spacing: 0.5px;
    transition: color var(--trans-speed);
}

.post-title a {
    color: var(--text-dark);
    text-decoration: none;
    border-bottom: 2px dotted var(--border-card);
    transition: color var(--trans-speed), border-color var(--trans-speed);
}

.post-title a:hover {
    border-bottom: 3px solid var(--accent-gold);
    color: var(--nav-text-hover);
}

.post-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    border-bottom: 1px dashed var(--border-light);
    padding-bottom: 12px;
    margin-bottom: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    font-style: italic;
    transition: color var(--trans-speed), border-color var(--trans-speed);
}

.post-meta .date {
    background: var(--bg-date);
    padding: 0 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-dark);
    letter-spacing: 1px;
    font-style: normal;
    font-weight: 600;
    transition: background var(--trans-speed), color var(--trans-speed);
}

.post-meta .tag {
    background: var(--bg-tag);
    padding: 0 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--post-meta-tag);
    font-style: normal;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: background var(--trans-speed), color var(--trans-speed);
}

.post-meta .reading-time {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: normal;
}

.post-body {
    font-size: 1.05rem;
    color: var(--text-primary);
    transition: color var(--trans-speed);
}

.post-body p {
    margin-bottom: 1rem;
    text-indent: 2em;
}

.post-body p:first-of-type {
    text-indent: 0;
}

.post-body p:first-of-type::first-letter {
    font-size: 3.2rem;
    float: left;
    line-height: 1;
    margin-right: 8px;
    color: var(--accent-gold);
    font-family: 'Times New Roman', serif;
    font-weight: 700;
    text-shadow: 1px 1px 0 rgba(218, 200, 176, 0.3);
    transition: color var(--trans-speed), text-shadow var(--trans-speed);
}

.post-body blockquote {
    margin: 18px 0 18px 20px;
    padding: 10px 20px 10px 30px;
    border-left: 6px solid var(--blockquote-border);
    background: var(--blockquote-bg);
    font-style: italic;
    color: var(--blockquote-text);
    border-radius: 0 20px 20px 0;
    box-shadow: inset 0 1px 6px rgba(160, 130, 90, 0.12);
    font-size: 0.98rem;
    transition: background var(--trans-speed), border-color var(--trans-speed),
        color var(--trans-speed), box-shadow var(--trans-speed);
}

.post-body blockquote::before {
    content: '❝ ';
    font-size: 1.8rem;
    color: var(--accent-gold);
}

.post-body blockquote::after {
    content: ' ❞';
    font-size: 1.8rem;
    color: var(--accent-gold);
}

.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 12px 0;
}

.post-body pre {
    background: var(--bg-blockquote);
    padding: 16px 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    border: 1px solid var(--border-light);
    transition: background var(--trans-speed), border-color var(--trans-speed);
}

.post-body code {
    background: var(--bg-blockquote);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    transition: background var(--trans-speed);
}

.read-more {
    display: inline-block;
    margin-top: 6px;
    padding: 6px 22px 6px 18px;
    background: var(--bg-btn);
    color: var(--text-btn);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 30px;
    border: 1px solid var(--border-card);
    box-shadow: inset 0 1px 4px rgba(245, 237, 224, 0.3), var(--shadow-btn);
    transition: background var(--trans-speed), border-color var(--trans-speed),
        color var(--trans-speed), transform 0.15s, box-shadow var(--trans-speed);
    letter-spacing: 0.5px;
}

.read-more:hover {
    background: var(--bg-btn-hover);
    border-color: var(--accent-gold);
    box-shadow: inset 0 1px 6px rgba(240, 228, 208, 0.2), var(--shadow-btn-hover);
    transform: translateY(-2px);
}

.read-more::after {
    content: ' →';
    font-size: 1.2rem;
}


/* ============================================================
   第九部分：文章分页
   ============================================================ */

.page-navigator {
    margin-top: 30px;
    text-align: center;
    padding: 16px 0 8px;
    border-top: 2px dotted var(--border-light);
}

.page-navigator .pagination {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 6px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-navigator .pagination span,
.page-navigator .pagination a {
    display: inline-block;
    min-width: 36px;
    padding: 6px 14px;
    font-family: 'Georgia', 'Times New Roman', serif;
    font-size: 0.95rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 30px;
    transition: all var(--trans-speed) ease;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
}

.page-navigator .pagination a:hover {
    background: var(--bg-tag-hover);
    border-color: var(--accent-gold);
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(154, 127, 94, 0.15);
}

.page-navigator .pagination .current {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: #fff;
    border-radius: 20px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(154, 127, 94, 0.25);
}

.page-navigator .pagination .prev,
.page-navigator .pagination .next {
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 6px 18px;
}

.page-navigator .pagination .prev:hover,
.page-navigator .pagination .next:hover {
    background: var(--bg-btn-hover);
    border-color: var(--accent-gold);
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(154, 127, 94, 0.15);
}

.page-navigator .pagination .ellipsis {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 6px 4px;
    letter-spacing: 2px;
}


/* ============================================================
   第十部分：侧边栏
   ============================================================ */

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-box {
    background: var(--bg-sidebar);
    border: 1px solid var(--border-light);
    border-radius: 12px 12px 20px 20px;
    padding: 18px 20px 22px;
    box-shadow: inset 0 0 0 1px rgba(245, 237, 224, 0.2), 0 4px 12px rgba(80, 60, 30, 0.04);
    backdrop-filter: blur(2px);
    transition: background var(--trans-speed), border-color var(--trans-speed),
        box-shadow var(--trans-speed);
}

.sidebar-box h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    border-bottom: 3px double var(--border-light);
    padding-bottom: 8px;
    margin-bottom: 16px;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color var(--trans-speed), border-color var(--trans-speed);
}

.sidebar-box h3::before {
    content: '◈';
    font-size: 1.1rem;
    color: var(--ornament-color);
    margin-right: 4px;
    transition: color var(--trans-speed);
}

/* ---- 关于作者 ---- */
.about-avatar {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.avatar-icon {
    font-size: 3.4rem;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--avatar-border);
    box-shadow: 0 2px 8px rgba(60, 40, 20, 0.12);
    transition: background var(--trans-speed), border-color var(--trans-speed),
        box-shadow var(--trans-speed);
    overflow: hidden;
    flex-shrink: 0;
}

.avatar-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

[data-theme="dark"] .avatar-icon {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.about-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    transition: color var(--trans-speed);
}

.about-desc {
    font-size: 0.92rem;
    color: var(--about-text);
    margin-top: 6px;
    line-height: 1.6;
    transition: color var(--trans-speed);
}

/* ---- 文章列表（侧边栏） ---- */
.vintage-list {
    list-style: none;
    padding: 0;
}

.vintage-list li {
    padding: 8px 0 8px 28px;
    border-bottom: 1px dotted var(--border-light);
    position: relative;
    font-size: 0.98rem;
    transition: border-color var(--trans-speed);
}

.vintage-list li:last-child {
    border-bottom: none;
}

.vintage-list li::before {
    content: '📜';
    position: absolute;
    left: 0;
    top: 6px;
    font-size: 1rem;
    opacity: 0.7;
}

.vintage-list a {
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px dotted var(--border-light);
    transition: color var(--trans-speed), border-color var(--trans-speed);
}

.vintage-list a:hover {
    color: var(--nav-text-hover);
    border-bottom: 2px solid var(--accent-gold);
}

.vintage-list .post-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: 6px;
}

/* ---- 标签云 ---- */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 8px;
    margin-top: 6px;
}

.tag-cloud a {
    background: var(--bg-tag);
    padding: 2px 16px 4px;
    border-radius: 30px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border-light);
    box-shadow: inset 0 1px 4px rgba(245, 237, 224, 0.2);
    transition: background var(--trans-speed), border-color var(--trans-speed),
        color var(--trans-speed), transform 0.15s, box-shadow var(--trans-speed);
    letter-spacing: 0.3px;
}

.tag-cloud a:hover {
    background: var(--bg-tag-hover);
    border-color: var(--accent-gold);
    transform: scale(1.04);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* ---- 搜索框 ---- */
.search-wrap {
    display: flex;
    margin-top: 4px;
}

.search-wrap form {
    display: flex;
    width: 100%;
    align-items: stretch;
}

.search-wrap input {
    flex: 1;
    padding: 10px 14px;
    border: 2px solid var(--border-search);
    border-right: none;
    border-radius: 40px 0 0 40px;
    background: var(--bg-search);
    font-family: 'Georgia', serif;
    font-size: 0.95rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--trans-speed), background var(--trans-speed),
        color var(--trans-speed), box-shadow var(--trans-speed);
    min-width: 0;
}

.search-wrap input:focus {
    border-color: var(--accent-gold);
    background: var(--bg-search-focus);
    box-shadow: 0 0 0 3px rgba(154, 127, 94, 0.15);
}

.search-wrap button {
    padding: 10px 18px;
    border: 2px solid var(--border-search);
    border-left: none;
    border-radius: 0 40px 40px 0;
    background: var(--bg-btn);
    color: var(--text-btn);
    cursor: pointer;
    transition: background var(--trans-speed), border-color var(--trans-speed),
        color var(--trans-speed), box-shadow var(--trans-speed);
    font-weight: 600;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.search-wrap button:hover {
    background: var(--bg-btn-hover);
    border-color: var(--accent-gold);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.search-wrap button svg {
    width: 22px;
    height: 22px;
    display: block;
    transition: transform 0.25s ease;
}

.search-wrap button:hover svg {
    transform: scale(1.1);
}

[data-theme="dark"] .search-wrap input {
    background: var(--bg-search);
    border-color: var(--border-search);
    color: var(--text-primary);
}

[data-theme="dark"] .search-wrap input:focus {
    background: var(--bg-search-focus);
    border-color: var(--accent-gold);
}

[data-theme="dark"] .search-wrap button {
    background: var(--bg-btn);
    border-color: var(--border-search);
    color: var(--text-btn);
}

[data-theme="dark"] .search-wrap button:hover {
    background: var(--bg-btn-hover);
    border-color: var(--accent-gold);
}


/* ============================================================
   第十一部分：页脚
   ============================================================ */

.blog-footer {
    margin-top: 45px;
    padding-top: 22px;
    border-top: 3px double var(--footer-border);
    text-align: center;
    font-size: 0.9rem;
    color: var(--footer-text);
    letter-spacing: 1px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 40px;
    transition: border-color var(--trans-speed), color var(--trans-speed);
}

.blog-footer span {
    background: rgba(235, 220, 195, 0.15);
    padding: 0 12px;
    border-radius: 30px;
    transition: background var(--trans-speed);
}

[data-theme="dark"] .blog-footer span {
    background: rgba(50, 42, 34, 0.3);
}
.footer-heart-1 {
border: 1px solid var(--text-dark);
}


.rss-link {
    border-radius: 30px;
border: 1px solid var(--text-dark);
}
.footer-heart {
    color: var(--accent-gold);
    font-size: 1.1rem;
    transition: color var(--trans-speed);
    
}

/* 波浪下划线*/
.wavy-text {
  text-decoration: underline;
  text-decoration-style: wavy;
  text-decoration-color: #a39b9b; /* 可选：自定义颜色 */
  text-underline-offset: 4px; /* 可选：调整下划线与文本的距离 */
}

/* ============================================================
   第十二部分：评论区
   ============================================================ */

.comments-title,
.reply-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-dark);
    font-family: 'Georgia', 'Times New Roman', serif;
    border-bottom: 2px double var(--border-light);
    padding-bottom: 8px;
    letter-spacing: 1px;
}

.comment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.comment-item {
    margin-bottom: 18px;
}

.comment-body {
    background: var(--bg-card);
    padding: 16px 20px;
    
    border-radius: 0 8px 8px 0;
    transition: background var(--trans-speed), border-color var(--trans-speed);
}

.comment-body:hover {
    background: var(--bg-card-hover);
}

.comment-body.comment-child {
    border-left-color: var(--border-light);
}

.comment-meta {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 8px 12px;
}

.comment-meta .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--avatar-border);
    flex-shrink: 0;
}

.comment-author-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.author-name-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.comment-author {
    font-weight: 700;
    color: var(--text-dark);
}

.author-badge {
    display: inline-block;
    background-color: var(--accent-gold);
    color: #fff;
    font-size: 11px;
    padding: 1px 8px;
    border-radius: 12px;
    line-height: 1.6;
    font-weight: 600;
}

.comment-time {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.comment-reply-link {
    margin-left: auto;
    flex-shrink: 0;
}

.comment-reply-link a {
    display: inline-block;
    padding: 2px 14px;
    background: var(--bg-tag);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border-light);
    transition: background var(--trans-speed), border-color var(--trans-speed), color var(--trans-speed);
}

.comment-reply-link a:hover {
    background: var(--bg-tag-hover);
    border-color: var(--accent-gold);
    color: var(--nav-text-hover);
}

.comment-content {
    padding-left: 54px;
    font-size: 0.98rem;
    color: var(--text-primary);
    line-height: 1.7;
}

.comment-content p:last-child {
    margin-bottom: 0;
}

/* ---- 嵌套评论 ---- */
.comment-children {
    margin-left: 30px;
    padding-left: 16px;
    border-left: 2px dashed var(--border-light);
    margin-top: 12px;
    list-style: none;
}

[data-theme="dark"] .comment-children {
    border-left-color: var(--border-card);
}

/* ---- 评论分页 ---- */
.comment-page-nav {
    margin-top: 20px;
    text-align: center;
}

.comment-pagination-inner {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 6px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.comment-pagination-inner span,
.comment-pagination-inner a {
    display: inline-block;
    min-width: 36px;
    padding: 6px 14px;
    font-family: 'Georgia', 'Times New Roman', serif;
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 30px;
    transition: all var(--trans-speed) ease;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
}

.comment-pagination-inner a:hover {
    background: var(--bg-tag-hover);
    border-color: var(--accent-gold);
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(154, 127, 94, 0.15);
}

.comment-pagination-inner .current {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(154, 127, 94, 0.25);
}

.comment-pagination-inner .prev,
.comment-pagination-inner .next {
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 6px 18px;
}

.comment-pagination-inner .prev:hover,
.comment-pagination-inner .next:hover {
    background: var(--bg-btn-hover);
    border-color: var(--accent-gold);
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(154, 127, 94, 0.15);
}

[data-theme="dark"] .comment-pagination-inner span,
[data-theme="dark"] .comment-pagination-inner a {
    background: var(--bg-card);
    border-color: var(--border-card);
    color: var(--text-secondary);
}

[data-theme="dark"] .comment-pagination-inner a:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-gold);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .comment-pagination-inner .current {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: #1a1410;
}

/* ---- 评论表单 ---- */
.respond-panel {
    margin-top: 30px;
}

.login-info {
    margin-bottom: 15px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-link {
    color: var(--accent-gold);
}

.logout-link {
    margin-left: 10px;
    color: #c0392b;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.form-input {
    background: var(--bg-search);
    border: 1px solid var(--border-search);
    padding: 10px 14px;
    color: var(--text-primary);
    font-family: 'Georgia', serif;
    outline: none;
    transition: border-color var(--trans-speed), box-shadow var(--trans-speed);
    border-radius: 6px;
}

.form-input:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(154, 127, 94, 0.15);
}

.form-input.full-width {
    width: 100%;
    margin-bottom: 15px;
}

.form-textarea {
    width: 100%;
    background: var(--bg-search);
    border: 1px solid var(--border-search);
    padding: 10px 14px;
    color: var(--text-primary);
    font-family: 'Georgia', serif;
    outline: none;
    resize: vertical;
    margin-bottom: 15px;
    border-radius: 6px;
    transition: border-color var(--trans-speed), box-shadow var(--trans-speed);
}

.form-textarea:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px rgba(154, 127, 94, 0.1);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.submit-btn {
    background: transparent;
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 8px 28px;
    cursor: pointer;
    font-family: 'Georgia', 'Times New Roman', serif;
    font-weight: 600;
    transition: background var(--trans-speed), color var(--trans-speed), border-color var(--trans-speed);
    border-radius: 30px;
    letter-spacing: 0.5px;
}

.submit-btn:hover {
    background: var(--accent-gold);
    color: #fff;
    border-color: var(--accent-gold);
}

.cancel-reply {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.cancel-reply a {
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px dotted var(--border-light);
}

.cancel-reply a:hover {
    color: var(--nav-text-hover);
    border-bottom-color: var(--accent-gold);
}

.comments-closed {
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

.comment-empty {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
    border: 1px dashed var(--border-light);
    border-radius: 4px;
}


/* ============================================================
   第十三部分：归档页
   ============================================================ */

.archive-list {
    list-style: none;
    padding: 0;
}

.archive-list li {
    padding: 8px 0;
    border-bottom: 1px dotted var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 12px;
}

.archive-list li a {
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px dotted transparent;
    transition: color var(--trans-speed), border-color var(--trans-speed);
}

.archive-list li a:hover {
    color: var(--nav-text-hover);
    border-bottom-color: var(--accent-gold);
}

.archive-list .archive-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-date);
    padding: 0 12px;
    border-radius: 20px;
    font-style: normal;
    font-weight: 600;
    transition: background var(--trans-speed), color var(--trans-speed);
}


/* ============================================================
   第十四部分：404 页面
   ============================================================ */

.error-page {
    text-align: center;
    padding: 40px 20px;
}

.error-page .error-code {
    font-size: 6rem;
    font-weight: 700;
    color: var(--accent-gold);
    font-family: 'Times New Roman', serif;
    line-height: 1;
}

.error-page .error-msg {
    font-size: 1.6rem;
    color: var(--text-secondary);
    margin: 16px 0 8px;
}

.error-page .error-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
}


/* ============================================================
   第十五部分：悬浮按钮（暗黑切换 & 回到顶部）
   ============================================================ */

.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
}

.floating-buttons .theme-toggle,
.floating-buttons .back-to-top {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--nav-border);
    background: var(--bg-btn);
    color: var(--text-btn);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--toggle-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
}

.floating-buttons .theme-toggle:hover,
.floating-buttons .back-to-top:hover {
    background: var(--bg-btn-hover);
    border-color: var(--accent-gold);
    transform: scale(1.08);
}

.floating-buttons .back-to-top {
    display: none;
}

.floating-buttons .theme-toggle svg,
.floating-buttons .back-to-top svg {
    width: 24px;
    height: 24px;
    display: block;
    transition: transform 0.4s ease;
}

.floating-buttons .theme-toggle:hover svg {
    transform: rotate(20deg);
}

[data-theme="dark"] .floating-buttons .theme-toggle,
[data-theme="dark"] .floating-buttons .back-to-top {
    background: var(--bg-btn);
    border-color: var(--border-card);
    color: var(--text-btn);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .floating-buttons .theme-toggle:hover,
[data-theme="dark"] .floating-buttons .back-to-top:hover {
    background: var(--bg-btn-hover);
    border-color: var(--accent-gold);
}


/* ============================================================
   第十六部分：工具类 & 滚动条
   ============================================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.typewriter-cursor::after {
    content: '|';
    animation: blink 0.9s step-end infinite;
    font-weight: 300;
    color: var(--ornament-color);
    margin-left: 2px;
    transition: color var(--trans-speed);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ---- 滚动条 ---- */
::-webkit-scrollbar {
    width: 12px;
    background: var(--scroll-track);
}

::-webkit-scrollbar-track {
    background: var(--scroll-track);
    border-radius: 20px;
}

::-webkit-scrollbar-thumb {
    background: var(--scroll-thumb);
    border-radius: 20px;
    border: 2px solid var(--bg-container);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scroll-thumb-hover);
}


/* ============================================================
   第十七部分：响应式设计
   ============================================================ */

/* ---- 平板及以下 ---- */
@media (max-width: 820px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .blog-container {
        padding: 20px 18px 30px;
    }

    .blog-header h1 {
        font-size: 2.8rem;
        letter-spacing: 3px;
    }

    .post-title {
        font-size: 1.7rem;
    }

    .sidebar {
        order: 2;
    }

    .main-content {
        order: 1;
    }

    .main-nav {
        border-radius: 30px;
        padding: 8px 14px;
    }

    .main-nav .menu > li > a {
        font-size: 0.9rem;
        padding: 4px 4px;
    }

    .main-nav .menu > li + li::before {
        margin-right: 6px;
    }

    .theme-toggle {
        width: 38px;
        height: 38px;
        font-size: 1.2rem;
    }
}

/* ---- 隐藏侧边栏（小屏） ---- */
@media screen and (max-width: 768px) {
    .sidebar {
        display: none !important;
    }

    .main-content {
        width: 100%;
        box-sizing: border-box;
        overflow-wrap: break-word;
        word-break: break-all;
    }

    /* 手机端：分类菜单点击显示 */
    .menu-item-has-children.active .sub-menu {
        display: block !important;
        animation: dropdownFadeIn 0.25s ease;
    }

    .sub-menu {
        position: absolute;
        top: calc(100% + 4px);
        left: 50%;
        transform: translateX(-50%);
        min-width: 140px;
    }

    .sub-menu li a {
        padding: 6px 16px;
        font-size: 0.85rem;
        white-space: nowrap;
    }

    /* 文章标题限制字数 */
    .post-title-link {
        display: block;
        max-width: 240px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* ---- PC端标题正常显示 ---- */
@media (min-width: 769px) {
    .post-title-link {
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }
}

/* ---- 手机 ---- */
@media (max-width: 650px) {
    body {
        margin: 0 auto;
        padding: 0 12px;
    }

    .post-item {
        flex-wrap: wrap;
        padding: 1rem 0.2rem;
        gap: 0.2rem 0;
    }

    .post-date {
        min-width: 70px;
        font-size: 0.95rem;
        margin-right: 4px;
    }

    .post-title-link {
        font-size: 1.25rem;
        margin: 0 6px 0 0;
        flex: 1 1 180px;
    }

    .post-comments {
        font-size: 0.9rem;
        padding: 0 0.6rem;
        margin-left: auto;
    }
}

/* ---- 小手机 ---- */
@media (max-width: 480px) {
    body {
        padding: 0px;
    }

    .blog-container {
        padding: 16px 12px 24px;
        border: 8px double var(--border-main);
    }

    .blog-header h1 {
        font-size: 2.2rem;
        letter-spacing: 2px;
    }

    .blog-header .subhead {
        font-size: 0.9rem;
        letter-spacing: 2px;
        padding-left: 10px;
        padding-right: 10px;
    }

    .post {
        padding: 16px 14px 20px;
        border-left-width: 4px;
    }

    .post-title {
        font-size: 1.4rem;
    }

    .post-body {
        font-size: 0.98rem;
    }

    .post-body p:first-of-type::first-letter {
        font-size: 2.6rem;
    }

    /* 搜索框 */
    .search-wrap input {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .search-wrap button {
        padding: 8px 14px;
    }

    .search-wrap button svg {
        width: 18px;
        height: 18px;
    }

    /* 头像 */
    .avatar-icon {
        width: 56px;
        height: 56px;
        font-size: 2.6rem;
    }

    .about-name {
        font-size: 1.1rem;
    }

    /* 导航 */
    .main-nav {
        border-radius: 20px;
        padding: 6px 10px;
        gap: 4px 10px;
    }

    .main-nav .menu {
        gap: 4px 6px;
    }

    .main-nav .menu > li > a {
        font-size: 0.8rem;
        padding: 3px 4px;
        letter-spacing: 0.4px;
    }

    .main-nav .menu > li + li::before {
        content: '|';
        margin-right: 6px;
        font-size: 0.9rem;
    }

    .sub-menu {
        min-width: 120px;
        padding: 4px 0;
    }

    .sub-menu li a {
        padding: 5px 14px;
        font-size: 0.8rem;
    }

    /* 文章列表 */
    .post-item .post-date::before {
        content: "";
        display: none;
    }

    .post-item {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }

    .post-date {
        min-width: 60px;
        font-size: 0.85rem;
    }

    .post-title-link {
        font-size: 1.1rem;
        flex: 1 1 140px;
        margin-right: 6px;
        max-width: 120px;
    }

    .post-comments {
        font-size: 0.8rem;
        padding: 0 0.5rem;
    }

    /* 主题切换按钮 */
    .theme-toggle {
        width: 34px;
        height: 34px;
        font-size: 1.0rem;
    }

    /* 悬浮按钮 */
    .floating-buttons {
        bottom: 20px;
        right: 20px;
        gap: 10px;
    }

    .floating-buttons .theme-toggle,
    .floating-buttons .back-to-top {
        width: 44px;
        height: 44px;
    }

    .floating-buttons .theme-toggle svg,
    .floating-buttons .back-to-top svg {
        width: 20px;
        height: 20px;
    }

    /* 评论区 */
    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .comment-content {
        padding-left: 0;
        margin-top: 8px;
    }

    .comment-meta {
        flex-wrap: wrap;
    }

    .comment-reply-link {
        margin-left: 0;
    }

    .comment-children {
        margin-left: 12px;
        padding-left: 8px;
    }

    /* 分页 */
    .comment-pagination-inner {
        gap: 4px;
    }

    .comment-pagination-inner span,
    .comment-pagination-inner a {
        min-width: 30px;
        padding: 4px 10px;
        font-size: 0.85rem;
    }

    .comment-pagination-inner .prev,
    .comment-pagination-inner .next {
        padding: 4px 12px;
        font-size: 0.8rem;
    }

    .page-navigator .pagination {
        gap: 4px;
    }

    .page-navigator .pagination span,
    .page-navigator .pagination a {
        min-width: 30px;
        padding: 4px 10px;
        font-size: 0.85rem;
    }

    .page-navigator .pagination .prev,
    .page-navigator .pagination .next {
        padding: 4px 12px;
        font-size: 0.8rem;
    }
}

/* ---- 超小屏 ---- */
@media (max-width: 400px) {
    .page-navigator .pagination span,
    .page-navigator .pagination a {
        min-width: 26px;
        padding: 3px 7px;
        font-size: 0.78rem;
        border-radius: 20px;
    }

    .page-navigator .pagination .prev,
    .page-navigator .pagination .next {
        padding: 3px 8px;
        font-size: 0.75rem;
    }
}


/* ============================================================
   第十八部分：暗色模式适配（补充）
   ============================================================ */

[data-theme="dark"] .page-navigator .pagination span,
[data-theme="dark"] .page-navigator .pagination a {
    background: var(--bg-card);
    border-color: var(--border-card);
    color: var(--text-secondary);
}

[data-theme="dark"] .page-navigator .pagination a:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-gold);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .page-navigator .pagination .current {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: #1a1410;
}

[data-theme="dark"] .page-navigator .pagination .ellipsis {
    color: var(--text-muted);
}