:root {
    /* Basic Colors - Pink Theme */
    --background: #fff5f7;
    --card-background: #ffffff;
    --text-primary: #4a3a3d;
    --text-secondary: #9a8488;
    --text-header: #3a2a2d;
    --primary: #ff85a1;
    --primary-hover: #ff6b8d;
    --primary-soft: rgba(255, 133, 161, 0.1);
    --primary-border: rgba(255, 133, 161, 0.2);
    --primary-bg: rgba(255, 133, 161, 0.05);
    --border: #fce4ec;
    --shadow: 0 4px 12px rgba(255, 133, 161, 0.1);
    --shadow-hover: 0 8px 24px rgba(255, 133, 161, 0.2);
    
    /* Code block colors */
    --code-bg: #f8fafc;
    --code-header-bg: rgba(241, 245, 249, 0.75);
    --code-text: #334155;
    --code-line-numbers: #94a3b8;
    --code-border: #e2e8f0;
    
    /* Note block colors */
    --note-bg: #f8fafc;
    --note-border: #e2e8f0;
    --note-text: #475569;
    --note-info: #0ea5e9;
    --note-info-bg: #f0f9ff;
    --note-info-text: #0369a1;
    --note-warning: #f59e0b;
    --note-warning-bg: #fffbeb;
    --note-warning-text: #92400e;
    --note-danger: #ef4444;
    --note-danger-bg: #fff5f5;
    --note-danger-text: #991b1b;
    --note-success: #10b981;
    --note-success-bg: #f0fdf4;
    --note-success-text: #065f46;
    --note-important: #a855f7;
    --note-important-bg: #faf5ff;
    --note-important-text: #6b21a8;

    /* Poetry colors */
    --poetry-border: #f97316;
    --poetry-title: #1e293b;
    --poetry-author: #94a3b8;
    --poetry-body: #374151;

    --surface-secondary: #f8fafc;
    --surface-hover: #f1f5f9;
    --surface-active: #e0f2fe;
    --text-muted: #cbd5e1;
    --accent: #0ea5e9;
    --accent-hover: #0284c7;
    --accent-soft: rgba(14, 165, 233, 0.1);
    --shadow-soft: 0 1px 4px rgba(0,0,0,0.07);

    --text-heading: #1e293b;
    --text-description: #64748b;
    --text-body-secondary: #475569;
    --text-list: #374151;
    --hr-border: #e2e8f0;

    /* Semantic Aliases */
    --site-bg: var(--primary-bg, var(--background));
    --sidebar-bg: var(--background);
    --card-shadow: var(--shadow);
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #16181d;
        --card-background: #1e2028;
        --text-primary: #dde1ea;
        --text-secondary: #8b92a5;
        --text-header: #f0f2f7;
        --primary: #ff85a1;
        --primary-hover: #ffa3b9;
        --primary-soft: rgba(255, 133, 161, 0.15);
        --primary-border: rgba(255, 133, 161, 0.25);
        --primary-bg: rgba(255, 133, 161, 0.06);
        --border: #2a2d38;
        --shadow: 0 4px 12px rgba(0, 0, 0, 0.45);
        --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.55);

        --code-bg: #24292e;
        --code-header-bg: rgba(28, 33, 40, 0.72);
        --code-text: #e1e4e8;
        --code-line-numbers: #444d56;
        --code-border: #30363d;

        --note-bg: #1a1d27;
        --note-border: #2a2d38;
        --note-text: #94a3b8;
        --note-info: #38bdf8;
        --note-info-bg: rgba(56, 189, 248, 0.08);
        --note-info-text: #7dd3fc;
        --note-warning: #fbbf24;
        --note-warning-bg: rgba(251, 191, 36, 0.08);
        --note-warning-text: #fde68a;
        --note-danger: #f87171;
        --note-danger-bg: rgba(248, 113, 113, 0.08);
        --note-danger-text: #fecaca;
        --note-success: #34d399;
        --note-success-bg: rgba(52, 211, 153, 0.08);
        --note-success-text: #a7f3d0;
        --note-important: #c084fc;
        --note-important-bg: rgba(192, 132, 252, 0.08);
        --note-important-text: #e9d5ff;

        --poetry-border: #fb923c;
        --poetry-title: #f0f2f7;
        --poetry-author: #5a6278;
        --poetry-body: #c8cdd8;

        --site-bg: var(--background);
        --sidebar-bg: #11131a;
        --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);

        --surface-secondary: #1a1d27;
        --surface-hover: #222630;
        --surface-active: rgba(255, 133, 161, 0.12);
        --text-muted: #4a5168;
        --accent-soft: rgba(14, 165, 233, 0.12);
        --shadow-soft: 0 1px 4px rgba(0, 0, 0, 0.25);

        --text-heading: #edf0f7;
        --text-description: #7a8299;
        --text-body-secondary: #9099b0;
        --text-list: #c8cdd8;
        --hr-border: #2a2d38;
    }
    
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif);
    font-size: var(--font-size-body, 16px);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--site-bg);
}

:root {
    --rem-base: var(--font-size-body, 16px);
}

html {
    font-size: var(--font-size-body, 16px);
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
}

/* ===== Layout ===== */
#l_header {
    background: var(--card-background);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: none; /* Desktop hidden by default */
}

#l_header .flex-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#l_header .logo a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-header);
    font-weight: 700;
}

#l_header .logo img {
    width: 24px;
    height: 24px;
    border-radius: 4px;
}

#l_header .nav-toggle {
    cursor: pointer;
    color: var(--text-secondary);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#l_body {
    min-height: 100vh;
    padding: 24px 16px;
    transition: transform 0.3s;
}

#nav-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 24px;
    align-items: start;
}

.container.sidebar-left {
    grid-template-columns: 280px 1fr;
}

.container.sidebar-left #l_side {
    order: -1;
}

#l_main {
    min-width: 0;
}

#l_side {
    position: sticky;
    top: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ===== Widget / Card ===== */
.widget {
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.widget.profile {
    overflow: visible;
}

.widget.profile .content {
    background: var(--card-background);
    border-radius: 12px;
}

.widget .content {
    padding: 20px;
}

/* ===== Profile Widget ===== */
.widget.profile .content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
}

.widget.profile .avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
}

.widget.profile .avatar a:hover img {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 12px var(--primary-border);
    border-color: var(--primary-soft);
}

.widget.profile .title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-header);
}

.widget.profile .desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Nav Menu (under avatar) ===== */
.nav-menu {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    width: 100%;
    margin-top: 4px;
}

.nav-item {
    display: block;
    padding: 6px 4px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    transition: background 0.2s, color 0.2s;
}

.nav-item:hover {
    background: var(--background);
    color: var(--primary);
}

.nav-item.active {
    background: var(--primary);
    color: #fff;
}

/* ===== Header Right (RSS + toggle) ===== */
.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-rss {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    color: var(--text-secondary);
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
}

.header-rss:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

/* ===== Year Progress ===== */
.sidebar-widget-custom {
    font-size: 0.88rem;
    color: var(--secondary);
    line-height: 1.7;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}
.sidebar-widget-custom p { margin: 0 0 0.4em; }
.sidebar-widget-custom a { color: var(--primary); text-decoration: none; }
.sidebar-widget-custom a:hover { text-decoration: underline; }
.sidebar-widget-custom strong { color: var(--fg); }

.year-progress-wrap {
    margin-top: 12px;
    margin-bottom: 4px;
}

.year-progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.year-progress-pct {
    font-weight: 700;
    color: var(--primary);
}

.year-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 99px;
    overflow: hidden;
}

.year-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover, var(--primary)));
    border-radius: 99px;
    transition: width 0.8s cubic-bezier(.4,0,.2,1);
}

.year-progress-days {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 5px;
    text-align: right;
}

/* ===== Social Icons ===== */
.social-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
}

.social-icon-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--background);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}

.social-icon-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.social-icon-tooltip {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: var(--card-background);
    font-size: 0.72rem;
    padding: 3px 8px;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 10;
}

.social-icon-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--text-primary);
}

.social-icon-btn:hover .social-icon-tooltip {
    opacity: 1;
}

/* ===== Post Nav Bar ===== */
.post-nav-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.55);
    border-radius: 40px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.7);
    padding: 6px 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    position: sticky;
    top: 12px;
    z-index: 100;
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    transition: background 0.3s, box-shadow 0.3s;
}

[data-theme="dark"] .post-nav-bar {
    background: rgba(30, 30, 40, 0.55);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3), 0 1px 4px rgba(0, 0, 0, 0.2);
}

.post-nav-item {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.post-nav-item:hover,
.post-nav-item.active {
    background: var(--primary-bg);
    color: var(--primary);
}

/* ===== Post List ===== */
.post-item-pinned {
    overflow: hidden;
}

.post-item-pinned::before {
    content: "📌 置顶";
    position: absolute;
    top: 16px;
    right: -28px;
    width: 110px;
    padding: 5px 0;
    background: linear-gradient(135deg, var(--primary) 60%, color-mix(in srgb, var(--primary) 70%, white));
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-align: center;
    transform: rotate(45deg);
    transform-origin: center;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--primary) 40%, transparent);
    pointer-events: none;
    z-index: 1;
}

.pin-badge {
    display: none;
}
.post-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.post-item-link {
    display: block;
    color: inherit;
    text-decoration: none !important;
}

.post-item {
    background: var(--card-background);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    position: relative;
}

.post-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--primary);
}

.post-item h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-header);
    margin-bottom: 10px;
    transition: color 0.3s;
    line-height: 1.4;
}

.post-item:hover h2 {
    color: var(--primary);
}

.post-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 12px;
    margin-bottom: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.meta-category-inline {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

.meta-category-inline:hover {
    color: var(--primary-hover);
}

.post-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 24px;
    background: var(--card-background);
    border-radius: 40px;
    box-shadow: var(--shadow);
    padding: 8px 16px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    border-radius: 50%;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    cursor: pointer;
}

a.page-btn:hover {
    background: var(--background);
    color: var(--text-header);
}

.page-btn.active {
    background: var(--primary);
    color: #fff;
}

.page-btn.disabled {
    color: #cbd5e1;
    cursor: default;
    pointer-events: none;
}

.page-btn.ellipsis {
    cursor: default;
    border-radius: 0;
}

.page-btn.prev,
.page-btn.next {
    font-size: 1.1rem;
    color: #94a3b8;
}

/* ===== Article / Page Content ===== */
.post-content {
    background: var(--card-background);
    border-radius: 12px;
    padding: 32px 36px;
    box-shadow: var(--shadow);
}

.post-content h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-header);
    margin-bottom: 8px;
}

.post-content .content h1,
.post-content .content h2,
.post-content .content h3,
.post-content .content h4 {
    color: var(--text-header);
    margin: 1.8em 0 0.6em;
    line-height: 1.3;
    font-weight: 700;
    position: relative;
    padding-left: 0.85em;
}

.post-content .content h1::before,
.post-content .content h2::before,
.post-content .content h3::before,
.post-content .content h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.15em;
    bottom: 0.15em;
    width: 4px;
    border-radius: 2px;
    background: var(--primary);
}

.post-content .content h1 { font-size: 1.6rem; }
.post-content .content h2 { font-size: 1.35rem; }
.post-content .content h3 { font-size: 1.15rem; font-weight: 600; }
.post-content .content h4 { font-size: 1rem; font-weight: 600; }

.post-content .content p {
    margin: 0.8em 0;
    color: var(--text-primary);
}

.post-content .content ul,
.post-content .content ol {
    padding-left: 1.5em;
    margin: 0.8em 0;
    color: var(--text-list);
}

.post-content .content li {
    margin: 0.3em 0;
}

.post-content .content a {
    color: var(--primary);
    text-decoration: underline;
}

/* 外部链接自动加外链图标 */
.post-content .content a[href^="http"]::after {
    content: '';
    display: inline-block;
    width: 0.7em;
    height: 0.7em;
    margin-left: 0.25em;
    vertical-align: middle;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff85a1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3Cpolyline points='15 3 21 3 21 9'/%3E%3Cline x1='10' y1='14' x2='21' y2='3'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.75;
    transition: opacity 0.2s;
}

.post-content .content a[href^="http"]:hover::after {
    opacity: 1;
}

/* link-card、friend-card、links-card 不显示外链图标 */
.link-card a::after,
.friend-card::after,
.links-card::after {
    display: none !important;
}

.post-content .content a.auto-link {
    color: var(--primary);
    text-decoration: underline;
    word-break: break-all;
}

.post-content .content blockquote {
    border-left: 4px solid var(--primary);
    padding: 8px 16px;
    margin: 1em 0;
    background: var(--note-bg);
    border-radius: 0 8px 8px 0;
    color: var(--note-text);
}

.post-content .content pre {
    border: none;
    border-radius: 0 0 12px 12px;
    padding: 1rem 0;
    overflow-x: auto;
    margin: 0;
    font-size: var(--font-size-code, 0.875rem);
    line-height: 1.6;
}

/* Code Container & Header */
.code-container {
    position: relative;
    margin: 2em 0;
    margin-top: 2.5em;
    border-radius: 12px;
    overflow: visible;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1.5px solid var(--code-border);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.code-container:hover {
    border-color: var(--primary-soft);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1), 0 0 0 3px var(--primary-soft);
}

.code-container pre.giallo {
    margin: 0;
    border-radius: 12px;
    padding: 1.2rem 0;
    overflow-x: auto;
    font-size: var(--font-size-code, 0.875rem);
    line-height: 1.6;
    font-family: var(--font-code, "JetBrains Mono", "Fira Code", Consolas, monospace);
}

/* 无行号时给代码内容加左侧缩进 */
.code-container pre.giallo:not(.has-line-numbers) code {
    padding-left: 1.2rem;
}

.code-container pre.giallo code {
    display: block;
    font-family: inherit;
}

.code-lang {
    position: absolute;
    top: -0.65em;
    left: 1rem;
    padding: 0.1em 0.6em;
    background: var(--code-bg);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.08em;
    font-family: var(--font-code, "JetBrains Mono", monospace);
    line-height: 1.4;
    pointer-events: none;
    border-radius: 4px;
    text-transform: uppercase;
    opacity: 0.85;
}

.code-title {
    position: absolute;
    top: -0.65em;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.1em 0.8em;
    background: var(--code-bg);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-family: var(--font-code, "JetBrains Mono", monospace);
    line-height: 1.4;
    pointer-events: none;
    white-space: nowrap;
    border-radius: 4px;
}

.copy-btn {
    position: absolute;
    top: -0.65em;
    right: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    border: 1px solid var(--code-border);
    background: var(--code-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    opacity: 0;
    flex-shrink: 0;
}

.code-container:hover .copy-btn {
    opacity: 1;
}

.copy-btn:hover {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: var(--primary);
}

.copy-btn.copied {
    color: #10b981;
    border-color: #10b981;
    opacity: 1;
}

/* Copy Notification */
.copy-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--card-background);
    color: var(--text-primary);
    padding: 10px 20px;
    border-radius: 50px;
    box-shadow: var(--shadow-hover);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border);
}

.copy-notification.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.copy-notification svg {
    color: #10b981;
}

/* Theme Widget - Removed as per requirements */

/* Giallo Syntax Highlighter Base */
.giallo-l {
    display: inline-block;
    min-height: 1lh;
    width: 100%;
}

.giallo-ln {
    display: inline-block;
    user-select: none;
    margin-right: 0.75em;
    padding: 0 0.75em 0 0.5em;
    text-align: right;
    opacity: 0.5;
    border-right: 1px solid var(--code-border);
    color: var(--code-line-numbers);
    font-style: normal;
    flex-shrink: 0;
}

/* 行高亮背景 */
.z-hl {
    background-color: var(--primary-soft) !important;
    border-left: 2px solid var(--primary);
    margin-left: -2px;
}

mark {
    background-color: transparent;
}

.post-content .content code,
.note-content code,
.github-alert code {
    font-family: var(--font-code, "JetBrains Mono", "Fira Code", Consolas, monospace);
    font-size: var(--font-size-code, 0.875em);
}

.post-content .content p code,
.post-content .content li code,
.note-content p code,
.note-content li code,
.note-content :not(pre) > code {
    background: var(--primary-soft);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--primary);
    border: 1px solid var(--primary-border);
}

.github-alert p code,
.github-alert li code,
.github-alert :not(pre) > code {
    background: rgba(52, 211, 153, 0.12);
    padding: 2px 6px;
    border-radius: 4px;
    color: #10b981;
    border: 1px solid rgba(52, 211, 153, 0.3);
}

.post-content .content img {
    border-radius: 8px;
    margin: 1em 0;
}

.post-content .content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 0.9rem;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border: 1px solid var(--border);
}

.post-content .content th,
.post-content .content td {
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 10px 16px;
    text-align: left;
}

.post-content .content td {
    border-right: 1px solid var(--border);
}

.post-content .content td:last-child {
    border-right: none;
}

.post-content .content tr:last-child td {
    border-bottom: none;
}

/* 表格无斑马线 */

.post-content .content th {
    background: var(--surface-secondary);
    font-weight: 700;
    color: var(--text-heading);
    font-size: 0.85rem;
    letter-spacing: 0.03em;
    text-transform: none;
    border-right: 1px solid var(--primary-border);
    border-bottom: 2px solid var(--primary-border);
    padding: 12px 16px;
}

.post-content .content th:last-child {
    border-right: none;
}

.post-content .content tbody tr:hover td {
    background: var(--primary-soft);
    transition: background 0.15s;
}

.post-content .content hr {
    border: none;
    border-top: 1px solid var(--hr-border);
    margin: 2em 0;
}

/* ===== Comment Container ===== */
.comment-container {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--card-background);
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

/* ===== Wiki ===== */
.wiki-index {
    background: var(--card-background);
    border-radius: 12px;
    padding: 28px;
    box-shadow: var(--shadow-soft);
}

.wiki-index h1 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 20px;
}

.wiki-project-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wiki-project-item {
    display: block;
    padding: 16px 20px;
    border-radius: 10px;
    background: var(--surface-secondary);
    border: 1px solid var(--border);
    color: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.wiki-project-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px var(--primary-soft);
}

.wiki-project-item h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 4px;
}

.wiki-project-item p {
    font-size: 0.875rem;
    color: var(--text-description);
}

.wiki-page {
    background: var(--card-background);
    border-radius: 12px;
    padding: 28px 36px;
    box-shadow: var(--shadow-soft);
}

.wiki-page h1 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 20px;
}

.wiki-page-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
}

.wiki-page-item {
    display: block;
    padding: 12px 16px;
    border-radius: 8px;
    background: var(--surface-secondary);
    border: 1px solid var(--border);
    color: var(--text-heading);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.wiki-page-item:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ===== Note Shortcode ===== */
.note {
    padding: 12px 16px;
    border-radius: 8px;
    margin: 1.5em 0;
    border-left: 4px solid var(--note-border);
    background: var(--note-bg);
    font-size: 0.9rem;
    position: relative;
    color: var(--note-text);
}

.note-title {
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.note-title::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-size: contain;
    background-repeat: no-repeat;
    flex-shrink: 0;
}

.note-content {
    font-size: 0.9rem;
    line-height: 1.6;
}

.note-content p:first-child { margin-top: 0; }
.note-content p:last-child { margin-bottom: 0; }

/* info */
.note.info {
    border-left-color: var(--note-info);
    background: var(--note-info-bg);
    color: var(--note-info-text);
}
.note.info .note-title { color: var(--note-info-text); }
.note.info .note-title::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230ea5e9'%3E%3Cpath d='M8 1a7 7 0 1 0 0 14A7 7 0 0 0 8 1zm0 3a1 1 0 1 1 0 2 1 1 0 0 1 0-2zm0 3.5c.41 0 .75.34.75.75v3.5a.75.75 0 0 1-1.5 0v-3.5c0-.41.34-.75.75-.75z'/%3E%3C/svg%3E");
}

/* warning */
.note.warning {
    border-left-color: var(--note-warning);
    background: var(--note-warning-bg);
    color: var(--note-warning-text);
}
.note.warning .note-title { color: var(--note-warning-text); }
.note.warning .note-title::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f59e0b'%3E%3Cpath d='M8.22 1.754a.25.25 0 0 0-.44 0L1.698 13.132a.25.25 0 0 0 .22.368h12.164a.25.25 0 0 0 .22-.368L8.22 1.754zm-1.47 4.496a1.25 1.25 0 1 1 2.5 0v2.5a1.25 1.25 0 0 1-2.5 0v-2.5zm1.25 6a1 1 0 1 1 0-2 1 1 0 0 1 0 2z'/%3E%3C/svg%3E");
}

/* danger */
.note.danger {
    border-left-color: var(--note-danger);
    background: var(--note-danger-bg);
    color: var(--note-danger-text);
}
.note.danger .note-title { color: var(--note-danger-text); }
.note.danger .note-title::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ef4444'%3E%3Cpath d='M4.47.22A.75.75 0 0 1 5 0h6a.75.75 0 0 1 .53.22l4.25 4.25c.141.14.22.331.22.53v6a.75.75 0 0 1-.22.53l-4.25 4.25A.75.75 0 0 1 11 16H5a.75.75 0 0 1-.53-.22L.22 11.53A.75.75 0 0 1 0 11V5a.75.75 0 0 1 .22-.53L4.47.22zm.84 1.28L1.5 5.31v5.38l3.81 3.81h5.38l3.81-3.81V5.31L10.69 1.5H5.31zM8 4a.75.75 0 0 1 .75.75v3.5a.75.75 0 0 1-1.5 0v-3.5A.75.75 0 0 1 8 4zm0 8a1 1 0 1 1 0-2 1 1 0 0 1 0 2z'/%3E%3C/svg%3E");
}

/* success */
.note.success {
    border-left-color: var(--note-success);
    background: var(--note-success-bg);
    color: var(--note-success-text);
}
.note.success .note-title { color: var(--note-success-text); }
.note.success .note-title::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2310b981'%3E%3Cpath d='M8 1a7 7 0 1 0 0 14A7 7 0 0 0 8 1zm3.78 5.28-4.5 4.5a.75.75 0 0 1-1.06 0l-2-2a.75.75 0 1 1 1.06-1.06l1.47 1.47 3.97-3.97a.75.75 0 1 1 1.06 1.06z'/%3E%3C/svg%3E");
}

/* tip (alias for success) */
.note.tip {
    border-left-color: var(--note-success);
    background: var(--note-success-bg);
    color: var(--note-success-text);
}
.note.tip .note-title { color: var(--note-success-text); }
.note.tip .note-title::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2310b981'%3E%3Cpath d='M8 1.5a5 5 0 1 0 2.88 9.096.75.75 0 0 1 .808 1.26A6.5 6.5 0 1 1 14.5 8a.75.75 0 0 1-1.5 0A5 5 0 0 0 8 1.5zM8 11a1 1 0 1 1 0-2 1 1 0 0 1 0 2zm0-7.5a.75.75 0 0 1 .75.75v3.5a.75.75 0 0 1-1.5 0v-3.5A.75.75 0 0 1 8 3.5z'/%3E%3C/svg%3E");
}

/* important (purple) */
.note.important {
    border-left-color: var(--note-important);
    background: var(--note-important-bg);
    color: var(--note-important-text);
}
.note.important .note-title { color: var(--note-important-text); }
.note.important .note-title::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23a855f7'%3E%3Cpath d='M0 1.75C0 .784.784 0 1.75 0h12.5C15.216 0 16 .784 16 1.75v9.5A1.75 1.75 0 0 1 14.25 13H8.06l-2.573 2.573A1.458 1.458 0 0 1 3 14.543V13H1.75A1.75 1.75 0 0 1 0 11.25Zm1.75-.25a.25.25 0 0 0-.25.25v9.5c0 .138.112.25.25.25h2a.75.75 0 0 1 .75.75v2.19l2.72-2.72a.749.749 0 0 1 .53-.22h6.5a.25.25 0 0 0 .25-.25v-9.5a.25.25 0 0 0-.25-.25Zm7 2.25v2.5a.75.75 0 0 1-1.5 0v-2.5a.75.75 0 0 1 1.5 0ZM9 9a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z'/%3E%3C/svg%3E");
}

/* caution (alias for danger) */
.note.caution {
    border-left-color: var(--note-danger);
    background: var(--note-info-bg);
    color: var(--note-danger-text);
}
.note.caution .note-title { color: var(--note-danger-text); }
.note.caution .note-title::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ef4444'%3E%3Cpath d='M4.47.22A.75.75 0 0 1 5 0h6a.75.75 0 0 1 .53.22l4.25 4.25c.141.14.22.331.22.53v6a.75.75 0 0 1-.22.53l-4.25 4.25A.75.75 0 0 1 11 16H5a.75.75 0 0 1-.53-.22L.22 11.53A.75.75 0 0 1 0 11V5a.75.75 0 0 1 .22-.53L4.47.22zm.84 1.28L1.5 5.31v5.38l3.81 3.81h5.38l3.81-3.81V5.31L10.69 1.5H5.31zM8 4a.75.75 0 0 1 .75.75v3.5a.75.75 0 0 1-1.5 0v-3.5A.75.75 0 0 1 8 4zm0 8a1 1 0 1 1 0-2 1 1 0 0 1 0 2z'/%3E%3C/svg%3E");
}

/* ===== TOC Widget ===== */
.toc-widget .widget-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 12px;
}

.toc-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-left: 0;
}

.toc-nav ul ul {
    padding-left: 12px;
    margin-top: 2px;
}

.toc-nav li a {
    display: block;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-body-secondary);
    transition: background 0.2s, color 0.2s;
    line-height: 1.4;
}

.toc-nav li a:hover {
    background: var(--primary-soft);
    color: var(--primary);
}

.toc-nav li a.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 600;
    border-left: 3px solid var(--primary);
    padding-left: 7px;
}

/* ===== Wiki Sidebar ===== */
.wiki-sidebar-inner .widget-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 12px;
}

.wiki-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.wiki-nav li a {
    display: block;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--text-body-secondary);
    transition: background 0.2s, color 0.2s;
}

.wiki-nav li a:hover {
    background: var(--primary-soft);
    color: var(--primary);
}

.wiki-nav li.active a {
    background: var(--surface-active);
    color: var(--primary);
    font-weight: 600;
}

/* ===== Wiki Project Cards ===== */
.wiki-projects {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.wiki-project-card {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    border: 1px solid var(--border);
}

.wiki-project-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.wiki-project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.wiki-project-card h3 {
    margin-top: 0;
    color: var(--text-heading);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.wiki-project-card p {
    margin-bottom: 0;
    color: var(--text-description);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ===== Link Card Shortcode ===== */
.link-card {
    margin: 1em auto;
    max-width: 600px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--card-background);
    box-shadow: var(--shadow-soft);
    transition: box-shadow 0.25s, border-color 0.25s, transform 0.25s;
    overflow: hidden;
    position: relative;
}

.link-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 14px;
    background: var(--primary-soft);
    opacity: 0;
    transition: opacity 0.25s;
    pointer-events: none;
}

.link-card:hover {
    border-color: var(--primary-border);
    box-shadow: 0 6px 24px var(--primary-soft);
    transform: translateY(-2px);
}

.link-card:hover::before {
    opacity: 1;
}

.link-card a {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    color: inherit;
    text-decoration: none;
    position: relative;
}

.link-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--surface-hover);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.25s;
}

.link-card:hover .link-icon {
    border-color: var(--primary-border);
}

.link-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    margin: 0;
}

.link-icon-placeholder {
    background: var(--surface-hover);
}

.link-body {
    flex: 1;
    min-width: 0;
}

.link-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-heading);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;
    transition: color 0.2s;
}

.link-card:hover .link-title {
    color: var(--primary);
}

.link-desc {
    font-size: 0.8rem;
    color: var(--text-description);
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;
    line-height: 1.5;
}

.link-url {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0.7;
}

.link-arrow {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: var(--surface-hover);
    border: 1px solid var(--border);
    transition: color 0.25s, transform 0.25s, background 0.25s, border-color 0.25s;
}

.link-card:hover .link-arrow {
    color: var(--primary);
    background: var(--primary-soft);
    border-color: var(--primary-border);
    transform: translateX(4px);
}

/* ===== Tabs Shortcode ===== */
.tabs-container {
    margin: 1.25em 0;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--card-background);
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    gap: 0;
    background: var(--card-background);
    border-bottom: 2px solid var(--border);
    padding: 0 12px;
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs-nav::-webkit-scrollbar {
    display: none;
}

.tabs-align-center {
    justify-content: center;
}

.tabs-align-right {
    justify-content: flex-end;
}

.tabs-align-left {
    justify-content: flex-start;
}

.tab-btn {
    flex-shrink: 0;
    padding: 9px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    font-family: inherit;
    margin-bottom: -2px;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--text-primary);
    font-weight: 600;
    border-bottom-color: var(--text-primary);
}

.tab-panel {
    display: none;
    padding: 16px 20px;
}

.tab-panel.active {
    display: block;
}

.tab-panel > *:first-child {
    margin-top: 0;
}

.tab-panel > *:last-child {
    margin-bottom: 0;
}

/* ===== Poetry Shortcode ===== */
.poetry {
    margin: 1.5em auto;
    max-width: 520px;
    border-radius: 0;
    background: transparent;
    border: none;
    border-left: 4px solid var(--poetry-border);
    padding: 4px 0 4px 20px;
}

.poetry-header {
    margin-bottom: 12px;
}

.poetry-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--poetry-title);
    line-height: 1.5;
}

.poetry-author {
    font-size: 0.85rem;
    color: var(--poetry-author);
    margin-top: 2px;
}

.poetry-body {
    font-size: 0.95rem;
    line-height: 2.2;
    color: var(--poetry-body);
    letter-spacing: 0.02em;
}

.poetry-body p {
    margin: 0.2em 0;
}

/* ===== Links Grid Shortcode ===== */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
    margin: 1.5em 0;
}

.links-card {
    display: flex;
    flex-direction: column;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--card-background);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    overflow: hidden;
    text-decoration: none !important;
    color: inherit;
    transition: all 0.3s ease;
}

.links-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.links-cover {
    width: 100%;
    aspect-ratio: 2/1;
    overflow: hidden;
    background: var(--surface-secondary);
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    position: relative;
    display: block;
}

.links-cover img {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    border-radius: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    outline: none;
    display: block !important;
    transition: transform 0.5s;
}

.links-card:hover .links-cover img {
    transform: scale(1.05);
}

.links-info {
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    border-top: 1px solid var(--border);
}

.links-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: contain;
    flex-shrink: 0;
    background: var(--background);
    padding: 2px;
}

.links-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.links-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-header);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    text-decoration: none !important;
}

.links-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: default;
    line-height: 1.4;
    margin-top: 2px;
    text-decoration: none !important;
}

/* ===== Friends Grid Shortcode ===== */
.friends-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin: 1.5em 0;
}

.friend-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-decoration: none !important;
    color: inherit;
    width: 80px;
    transition: transform 0.2s;
}

.friend-card:hover {
    transform: translateY(-3px);
    color: var(--primary);
}

.friend-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border);
    transition: border-color 0.2s;
    flex-shrink: 0;
    background: var(--surface-secondary);
    line-height: 0;
    font-size: 0;
}

.friend-card:hover .friend-avatar {
    border-color: var(--primary);
}

.friend-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    margin: 0;
    display: block;
    padding: 0;
}

.friend-name {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80px;
    transition: color 0.2s;
    text-decoration: none !important;
}

.friend-card:hover .friend-name {
    color: var(--primary);
}

.friend-desc {
    display: none;
}

/* ===== Image Shortcode ===== */
.sc-image {
    display: block;
    text-align: center;
    max-width: 100%;
}

.sc-image img {
    display: inline-block;
    border-radius: 8px;
    max-width: 100%;
}

/* ===== Friends Page ===== */
.friends-page {
    background: var(--card-background);
    border-radius: 12px;
    padding: 36px;
    box-shadow: var(--shadow);
}

.friends-page-header {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.friends-page-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-header);
    margin-bottom: 6px;
}

.friends-page-header p {
    color: var(--text-description);
    font-size: 0.95rem;
}

.friends-group {
    margin-bottom: 32px;
}

.friends-group-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-description);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* ===== About Page ===== */
.about-page {
    background: var(--card-background);
    border-radius: 12px;
    padding: 36px;
    box-shadow: var(--shadow);
}

.about-page .about-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.about-page .about-avatar img {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.about-page .about-info h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-header);
    margin-bottom: 6px;
}

.about-page .about-info p {
    font-size: 0.95rem;
    color: var(--text-description);
}

.about-page .about-body h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 24px 0 10px;
}

.about-page .about-body p {
    color: var(--text-body-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.about-page .about-body a {
    color: var(--primary);
}

.about-page .about-body a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ===== 404 Page ===== */
.not-found-page {
    background: var(--card-background);
    border-radius: 12px;
    padding: 60px 36px;
    box-shadow: var(--shadow-soft);
    text-align: center;
}

.not-found-page .not-found-code {
    font-size: 6rem;
    font-weight: 900;
    color: var(--border);
    line-height: 1;
    margin-bottom: 16px;
    letter-spacing: -4px;
}

.not-found-page .not-found-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 12px;
}

.not-found-page .not-found-desc {
    font-size: 0.95rem;
    color: var(--text-description);
    margin-bottom: 32px;
}

.not-found-page .not-found-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.not-found-page .btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.not-found-page .btn-primary {
    background: var(--primary);
    color: #fff;
}

.not-found-page .btn-primary:hover {
    background: var(--primary-hover);
    color: #fff;
    box-shadow: 0 4px 12px var(--primary-soft);
}

.not-found-page .btn-secondary {
    background: var(--surface-hover);
    color: var(--text-body-secondary);
}

.not-found-page .btn-secondary:hover {
    background: var(--surface-secondary);
    color: var(--text-heading);
}

/* ===== Taxonomy Widget ===== */
.taxonomy-widget .content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.taxonomy-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.taxonomy-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.taxonomy-item {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
}

.category-item {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 600;
}

.category-item:hover {
    background: var(--primary);
    color: #fff;
}

.taxonomy-count {
    display: inline-block;
    margin-left: 4px;
    background: var(--primary-soft);
    color: inherit;
    border-radius: 10px;
    padding: 0 6px;
    font-size: 0.72rem;
    font-weight: 700;
    vertical-align: middle;
}

.category-item:hover .taxonomy-count {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.tag-item {
    background: var(--background);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    font-weight: 500;
}

.tag-item:hover {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: var(--primary);
}

/* ===== Footer ===== */
#footer {
    padding: 20px 16px;
    font-size: 0.85rem;
    color: var(--text-description);
}

#footer .container {
    display: block;
    text-align: center;
}

.footer-custom p {
    margin: 0.2em 0;
}

.footer-custom a {
    color: var(--primary);
    text-decoration: none;
}

.footer-custom a:hover {
    text-decoration: underline;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 8px;
    }
}

@media (max-width: 768px) {
    #l_header {
        display: block;
    }

    #l_body {
        padding: 16px 8px;
    }

    .container {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }

    #l_side {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        background: var(--sidebar-bg);
        z-index: 1001;
        overflow-y: auto;
        padding: 16px;
        transition: transform 0.3s;
        box-shadow: 4px 0 16px rgba(0, 0, 0, 0.1);
    }

    .sidebar-left #l_side {
        left: -280px;
    }

    .nav-open #l_side {
        transform: translateX(280px);
    }

    .nav-open #nav-mask {
        opacity: 1;
        pointer-events: auto;
    }

    .post-content, .wiki-page, .friends-page, .about-page, .wiki-index, .not-found-page {
        padding: 20px 16px;
    }

    .post-content h1 {
        font-size: 1.5rem;
    }

    .wiki-projects {
        grid-template-columns: 1fr;
    }
    
    .links-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

@media (max-width: 480px) {
    .post-item {
        padding: 16px;
    }

    .post-item h2 {
        font-size: 1.1rem;
    }

    .nav-menu {
        grid-template-columns: repeat(3, 1fr);
    }

    .link-card {
        max-width: 100%;
    }

    .link-card a {
        padding: 10px 12px;
    }

    .link-title {
        font-size: 0.875rem;
    }
    
    .link-desc {
        display: none;
    }

    .about-page .about-header {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .pagination {
        padding: 8px;
        gap: 2px;
    }

    .page-btn {
        min-width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }

    .not-found-page .not-found-code {
        font-size: 4rem;
    }
}


/* ===== Back to Top ===== */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-background);
    color: var(--primary);
    border: 1.5px solid var(--border);
    box-shadow: var(--shadow);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity 0.25s, transform 0.25s, box-shadow 0.2s, background 0.2s;
    z-index: 999;
}
#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
#back-to-top:hover {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 16px var(--primary-soft);
}

/* ========== 归档页 ========== */
.archive-container {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
}

.archive-year {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-header);
    margin: 32px 0 4px;
    padding-bottom: 6px;
    border-bottom: 3px solid var(--primary);
    display: inline-block;
    line-height: 1.2;
}

.archive-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.88rem;
    padding: 8px 4px;
}

.archive-date {
    flex-shrink: 0;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    width: 4em;
}

.archive-title {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
    flex: 1;
}

.archive-title:hover {
    color: var(--primary);
}

/* ========== 分类列表页 ========== */
.tax-page-cats {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 8px;
}

.tax-cat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: background 0.2s;
}

.tax-cat-item:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

.tax-cat-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.tax-cat-name {
    flex: 1;
}

.tax-cat-count {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.tax-cat-item:hover .tax-cat-count {
    color: var(--primary);
}

/* ========== 标签列表页 ========== */
.tax-page-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.tax-tag-item {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--card-background);
    color: var(--text-secondary);
    font-size: 0.88rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.tax-tag-item:hover {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary);
}

/* ========== 分类/标签单页标题 ========== */
.tax-single-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-header);
    margin-bottom: 16px;
}

.tax-single-icon {
    font-size: 1.2rem;
}

.tax-single-count {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-left: 4px;
}

/* ========== 文章版权信息 ========== */
.post-copyright {
    position: relative;
    margin: 2rem 0 1.5rem;
    padding: 1.2rem 1.5rem 1.2rem 1.5rem;
    background: var(--primary-bg);
    border: 1px solid var(--primary-border);
    border-left: 4px solid var(--primary);
    border-radius: 8px;
    overflow: hidden;
}

.post-copyright::after {
    content: "CC";
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-border);
    line-height: 1;
    pointer-events: none;
    user-select: none;
    font-family: serif;
}

.copyright-item {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    padding: 0.25rem 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

.copyright-icon {
    flex-shrink: 0;
    width: 1.2em;
    text-align: center;
}

.copyright-label {
    flex-shrink: 0;
    width: 5.5em;
    color: var(--text-primary);
    font-weight: 500;
}

.copyright-value {
    color: var(--text-primary);
    word-break: break-all;
}

.copyright-value a,
a.copyright-value {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

.copyright-value a:hover,
a.copyright-value:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ========== 分类 & 标签 ========== */
.meta-category {
    display: inline-flex;
    align-items: center;
    padding: 0.1rem 0.55rem;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 500;
    background: var(--primary-bg);
    color: var(--primary);
    border: 1px solid var(--primary-border);
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.meta-category:hover {
    background: var(--primary);
    color: #fff;
}

.meta-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.1rem 0.5rem;
    border-radius: 20px;
    font-size: 0.78rem;
    background: var(--tag-bg, var(--bg-secondary));
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.meta-tag:hover {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary-border);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.6rem;
}

/* ========== Video Shortcode ========== */
.sc-video-wrap {
    margin: 1.5rem auto;
    width: 100%;
}

.sc-video-iframe-wrap {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    border-radius: 10px;
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow-soft);
}

.sc-video-iframe-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.sc-video-native {
    width: 100%;
    border-radius: 10px;
    display: block;
    background: #000;
    box-shadow: var(--shadow-soft);
}

.sc-video-caption {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* ===== RSS Page ===== */
.rss-page {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.rss-hero {
    background: var(--card-background);
    border-radius: 14px;
    padding: 2.5rem 2rem;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
}

.rss-icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    margin-bottom: 1rem;
}

.rss-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-heading);
    margin: 0 0 0.5rem;
}

.rss-desc {
    font-size: 0.95rem;
    color: var(--text-description);
    margin: 0;
}

.rss-cards {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rss-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--card-background);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    color: inherit;
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
    box-shadow: var(--shadow-soft);
}

.rss-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px var(--primary-soft);
    transform: translateY(-2px);
}

.rss-card-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.rss-card-body {
    flex: 1;
    min-width: 0;
}

.rss-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 2px;
}

.rss-card-url {
    font-size: 0.82rem;
    color: var(--primary);
    font-family: var(--font-code, monospace);
    margin-bottom: 4px;
}

.rss-card-desc {
    font-size: 0.85rem;
    color: var(--text-description);
}

.rss-card-arrow {
    flex-shrink: 0;
    color: var(--text-description);
    transition: color 0.2s, transform 0.2s;
}

.rss-card:hover .rss-card-arrow {
    color: var(--primary);
    transform: translateX(4px);
}

.rss-how {
    background: var(--card-background);
    border-radius: 14px;
    padding: 1.75rem 2rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
}

.rss-how-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 0 0 1.25rem;
}

.rss-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rss-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.rss-step-num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}

.rss-step-text {
    font-size: 0.92rem;
    color: var(--text-body);
    line-height: 1.7;
}

.rss-step-text a {
    color: var(--primary);
    text-decoration: none;
}

.rss-step-text a:hover {
    text-decoration: underline;
}


/* ===== Post Cover Image ===== */
.post-item.has-cover {
    padding: 0;
    overflow: hidden;
    min-height: 240px;
}

.post-item.has-cover .post-item-cover {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.post-item.has-cover .post-item-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.post-item-link:hover .post-item.has-cover .post-item-cover img {
    transform: scale(1.05);
}

.post-item.has-cover .post-item-body {
    position: absolute;
    inset: 0;
    z-index: 1;
    padding: 20px 24px 20px;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.78) 0%,
        rgba(0, 0, 0, 0.45) 45%,
        rgba(0, 0, 0, 0.0) 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.post-item.has-cover h2 {
    color: #fff !important;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.post-item.has-cover:hover h2 {
    color: #fff !important;
}

.post-item.has-cover .post-summary {
    color: rgba(255, 255, 255, 0.88);
    text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.post-item.has-cover .post-meta,
.post-item.has-cover .meta-item,
.post-item.has-cover .meta-category-inline {
    color: rgba(255, 255, 255, 0.75);
}

.post-item.has-cover .meta-category-inline:hover {
    color: #fff;
}

.post-item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.post-item-cover {
    /* used only for non-cover items; has-cover overrides above */
}



/* ===== Post Navigation (Prev / Next) ===== */
.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.5rem 0;
}

.post-nav-item {
    min-width: 0;
}

.post-nav-link {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 1rem 1.2rem;
    background: var(--card-background);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.post-nav-link:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    color: var(--text-primary);
    text-decoration: none;
}

.post-nav-label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.78rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.03em;
}

.post-nav-next .post-nav-label {
    justify-content: flex-end;
}

.post-nav-title {
    font-size: 0.92rem;
    color: var(--text-primary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-nav-next .post-nav-title {
    text-align: right;
}

.post-nav-prev .post-nav-link {
    border-left: 3px solid var(--primary-border);
}

.post-nav-next .post-nav-link {
    border-right: 3px solid var(--primary-border);
}

.post-nav-prev .post-nav-link:hover {
    border-left-color: var(--primary);
}

.post-nav-next .post-nav-link:hover {
    border-right-color: var(--primary);
}

@media (max-width: 600px) {
    .post-nav {
        grid-template-columns: 1fr;
    }
    .post-nav-next .post-nav-label {
        justify-content: flex-start;
    }
    .post-nav-next .post-nav-title {
        text-align: left;
    }
    .post-nav-next .post-nav-link {
        border-right: 1px solid var(--border);
        border-left: 3px solid var(--primary-border);
    }
    .post-nav-next .post-nav-link:hover {
        border-left-color: var(--primary);
    }
}