@charset "UTF-8";

/* ============================================
   Classic 24 - Neo-Organic Memphis Style Theme
   低饱和大地色 + 觉醒金
   丝滑质感的灵动线条
   ============================================ */

/* CSS Variables - Neo-Organic Memphis Style */
:root {
    /* Earth Tones - Low Saturation */
    --color-primary: #6B5344;
    --color-secondary: #8B7355;
    --color-tertiary: #A0826D;
    --color-quaternary: #7A8B6E;
    --color-quinary: #C4A484;

    /* Awakening Gold - Belief Color */
    --color-gold: #D4AF37;
    --color-gold-light: #E8C547;
    --color-gold-dark: #C9A835;

    /* Text Colors */
    --color-text: #3D3D3D;
    --color-text-light: #6B6B6B;
    --color-text-muted: #9A9A9A;

    /* Background Colors */
    --color-bg: #FAF8F5;
    --color-bg-alt: #F0EBE4;
    --color-bg-warm: #F5F0E8;

    /* Border Colors */
    --color-border: #E5E0D8;
    --color-border-light: #EDE8E2;

    /* Link Colors */
    --color-link: #6B5344;
    --color-link-hover: #D4AF37;
    --color-accent: #D4AF37;

    /* Organic Memphis Colors */
    --color-clay: #C4A484;
    --color-sage: #7A8B6E;
    --color-sand: #E8E0D5;
    --color-moss: #5C6B58;

    /* Fonts */
    --font-serif: "Playfair Display", Georgia, "Times New Roman", Times, serif;
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "JetBrains Mono", "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;

    /* Font Sizes */
    --font-size-base: 16px;
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --font-size-h4: 1.25rem;
    --font-size-small: 0.875rem;

    /* Line Heights */
    --line-height-base: 1.75;
    --line-height-heading: 1.3;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Border Radius - Organic Curves */
    --border-radius: 8px;
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max-width: 1200px;
    --container-narrow: 800px;

    /* Touch Target */
    --touch-target-size: 44px;
    --mobile-font-scale: 0.9375;

    /* Shadows - Soft and Organic */
    --shadow-sm: 0 2px 4px rgba(107, 83, 68, 0.08);
    --shadow-md: 0 4px 8px rgba(107, 83, 68, 0.12);
    --shadow-lg: 0 8px 16px rgba(107, 83, 68, 0.16);
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button,
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

a {
    -webkit-tap-highlight-color: transparent;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography - Neo-Organic Memphis */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: var(--line-height-heading);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--font-size-h1);
    color: var(--color-primary);
}

h2 {
    font-size: var(--font-size-h2);
    color: var(--color-secondary);
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), transparent);
    border-radius: 2px;
}

h3 {
    font-size: var(--font-size-h3);
    color: var(--color-tertiary);
}

h4 {
    font-size: var(--font-size-h4);
    color: var(--color-quaternary);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

/* Site Header - Elegant Three-Row Layout */
.site-header {
    background-color: var(--color-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--color-gold-light);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(12px);
    background-color: rgba(250, 248, 245, 0.98);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    transform: translateY(-100%);
}

.site-header.scrolled .header-branding {
    opacity: 0;
    visibility: hidden;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
    transition: all var(--transition-base);
}

/* 第一行：Blog Title */
.header-branding {
    text-align: center;
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.site-title {
    font-size: 2rem;
    font-family: var(--font-serif);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.site-title a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-base);
    display: inline-block;
}

.site-title a:hover {
    color: var(--color-gold);
}

.site-description {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin: var(--spacing-sm) 0 0 0;
    font-weight: 400;
    line-height: 1.5;
}

.site-logo img {
    max-height: 60px;
    width: auto;
    display: inline-block;
}

/* 第二行：Navigation */
.header-navigation {
    padding: var(--spacing-md) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.site-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    color: var(--color-text-light);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
    transition: all var(--transition-base);
    border-radius: var(--border-radius-md);
}

.nav-menu a:hover {
    color: var(--color-gold);
    background-color: rgba(212, 175, 55, 0.05);
}

.nav-menu a.active {
    color: var(--color-gold);
    font-weight: 600;
}

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 32px;
    height: 28px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-base);
    border-radius: 2px;
}

.menu-toggle:hover span {
    background-color: var(--color-gold);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--color-bg);
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.1);
    transition: left var(--transition-base);
    z-index: 1001;
    overflow-y: auto;
}

.mobile-nav.active {
    left: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-title {
    font-family: var(--font-serif);
    font-size: var(--font-size-h3);
    font-weight: 600;
    color: var(--color-text);
}

.mobile-nav-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--color-text-light);
    transition: all var(--transition-base);
    border-radius: var(--border-radius-md);
}

.mobile-nav-close:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-text);
}

.mobile-nav-close svg {
    width: 20px;
    height: 20px;
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: var(--spacing-md) 0;
}

.mobile-nav-menu li {
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-menu a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text-light);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: all var(--transition-base);
    border-left: 3px solid transparent;
}

.mobile-nav-menu a:hover,
.mobile-nav-menu a.active {
    color: var(--color-gold);
    background-color: var(--color-bg-alt);
    border-left-color: var(--color-gold);
}

/* Site Main */
.site-main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

/* Archive Header */
.archive-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.archive-title {
    font-size: var(--font-size-h2);
    font-family: var(--font-serif);
    color: var(--color-text);
}

/* Post List - Asymmetric Masonry Layout */
.post-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    grid-auto-flow: dense;
    gap: var(--spacing-lg);
    align-items: start;
}

/* Post Card - Neo-Organic Memphis */
.post-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    animation: fadeIn var(--transition-slow) ease;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    break-inside: avoid;
}

.post-card-large {
    grid-column: span 2;
    min-height: 400px;
    padding: var(--spacing-xl);
}

.post-card-medium {
    grid-column: span 1;
    min-height: 300px;
}

.post-card-medium .entry-meta {
    gap: var(--spacing-sm);
}

.post-card-small {
    grid-column: span 1;
    min-height: 250px;
}

.post-card-small .entry-meta {
    gap: var(--spacing-sm);
    font-size: 0.8125rem;
}

.post-card-small .entry-meta span::before {
    width: 5px;
    height: 5px;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.post-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--color-gold-light);
}

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

.post-card-large .entry-title {
    font-size: var(--font-size-h2);
}

.post-card-large .entry-summary {
    font-size: 1.125rem;
    line-height: 1.8;
}

.post-card-large .entry-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-medium .entry-title {
    font-size: var(--font-size-h2);
}

.post-card-medium .entry-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-small .entry-title {
    font-size: var(--font-size-h2);
}

.post-card-small .entry-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Ensure all cards have consistent flex behavior */
.post-card .entry-summary {
    flex: 1;
    min-height: 100px;
}

.post-card-large .entry-summary {
    min-height: 150px;
}

.entry-header {
    margin-bottom: var(--spacing-md);
}

.entry-title {
    font-size: var(--font-size-h2);
    font-family: var(--font-serif);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.entry-title a {
    color: var(--color-text);
    transition: color var(--transition-base);
}

.entry-title a:hover {
    color: var(--color-gold);
}

.entry-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
    align-items: baseline;
    overflow: hidden;
    background: linear-gradient(to bottom, transparent 0%, rgba(212, 175, 55, 0.02) 100%);
}

.entry-meta span {
    display: inline-block;
    vertical-align: baseline;
    position: relative;
    white-space: nowrap;
    line-height: 1.5;
    transition: all var(--transition-base);
}

.entry-meta span:hover {
    color: var(--color-text);
}

.entry-meta span::before {
    content: '';
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    border-radius: 50%;
    margin-right: var(--spacing-xs);
    display: inline-block;
    vertical-align: middle;
    box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
    transition: all var(--transition-base);
}

.entry-meta span:hover::before {
    transform: scale(1.2);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.5);
}

.entry-meta a {
    color: var(--color-text-light);
    transition: color var(--transition-base);
    position: relative;
    z-index: 1;
}

.entry-meta a:hover {
    color: var(--color-gold);
    text-decoration: none;
}

.entry-meta a:hover::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
    opacity: 0.6;
}

.entry-summary {
    color: var(--color-text-light);
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-md);
}

.entry-summary p {
    margin-bottom: var(--spacing-sm);
}

.entry-footer {
    margin-top: auto;
    padding-top: var(--spacing-md);
}

.read-more {
    color: var(--color-gold);
    font-weight: 500;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.read-more:hover {
    color: var(--color-gold-dark);
    transform: translateX(4px);
}

/* Post Single */
.post-single {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.post-single .entry-title {
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-md);
}

.entry-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.entry-content p {
    margin-bottom: var(--spacing-md);
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.entry-content ul,
.entry-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.entry-content li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
}

.entry-content blockquote {
    border-left: 4px solid var(--color-gold);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--color-text-light);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius-sm);
    font-style: italic;
    line-height: 1.7;
}

.entry-content code {
    font-family: var(--font-mono);
    background-color: var(--color-bg-alt);
    padding: 0.2em 0.4em;
    border-radius: var(--border-radius-sm);
    font-size: 0.9em;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.entry-content pre {
    background-color: var(--color-bg-alt);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.entry-content pre code {
    background-color: transparent;
    padding: 0;
    font-size: inherit;
    word-wrap: normal;
    overflow-wrap: normal;
}

.entry-content img {
    max-width: 100%;
    height: auto;
    margin: var(--spacing-md) 0;
    border-radius: var(--border-radius-sm);
    display: block;
}

.entry-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.entry-content th,
.entry-content td {
    border: 1px solid var(--color-border);
    padding: var(--spacing-sm);
    text-align: left;
    min-width: 100px;
}

.entry-content th {
    background-color: var(--color-bg-alt);
    font-weight: 600;
    white-space: nowrap;
}

.entry-tags {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.entry-tags span {
    font-weight: 500;
}

.entry-tags a {
    color: var(--color-gold);
    margin-left: var(--spacing-xs);
    text-decoration: none;
    transition: all var(--transition-base);
}

.entry-tags a:hover {
    color: var(--color-gold-dark);
    text-decoration: underline;
}

/* Post Navigation */
.post-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.nav-prev,
.nav-next {
    flex: 1;
}

.nav-prev {
    text-align: left;
}

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

.nav-prev a,
.nav-next a {
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition-base);
}

.nav-prev a:hover,
.nav-next a:hover {
    color: var(--color-accent);
}

/* Pagination */
.pagination,
.page-navigator {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.pagination a,
.page-navigator a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
    min-width: 40px;
    min-height: 40px;
}

.pagination a:hover,
.page-navigator a:hover {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-text);
    border-color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.pagination .current,
.page-navigator .current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-text);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-gold);
    font-weight: 500;
    min-width: 40px;
    min-height: 40px;
}

/* Comments Section */
.comments-section {
    max-width: var(--container-narrow);
    margin: var(--spacing-xl) auto 0;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.comments-title {
    font-size: var(--font-size-h2);
    font-family: var(--font-serif);
    margin-bottom: var(--spacing-lg);
}

.comments-list {
    margin-bottom: var(--spacing-lg);
}

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

.comment-list li {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    background-color: var(--color-bg-alt);
    transition: all var(--transition-base);
}

.comment-list li:hover {
    background-color: var(--color-bg-warm);
    box-shadow: var(--shadow-sm);
}

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

.comment-body {
    display: flex;
    gap: var(--spacing-md);
}

.comment-avatar {
    flex-shrink: 0;
}

.comment-avatar img {
    border-radius: 50%;
    width: 48px;
    height: 48px;
    border: 2px solid var(--color-gold);
    box-shadow: var(--shadow-sm);
}

.comment-content {
    flex: 1;
}

.comment-author {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.comment-meta {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.comment-text {
    color: var(--color-text-light);
    line-height: var(--line-height-base);
}

.comments-pagination {
    text-align: center;
}

/* Respond Form - Neo-Organic Memphis */
.respond-form {
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-bg-warm));
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.respond-form::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    animation: organicPulse 8s ease-in-out infinite;
}

.respond-title {
    font-size: var(--font-size-h3);
    font-family: var(--font-serif);
    margin-bottom: var(--spacing-md);
}

.cancel-comment-reply {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-small);
}

.cancel-comment-reply a {
    color: var(--color-text-muted);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    resize: vertical;
    transition: all var(--transition-base);
    background-color: var(--color-bg);
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-row input {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    background-color: var(--color-bg);
}

.form-row input:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.user-info {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.user-info a {
    color: var(--color-accent);
}

.submit-btn {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-text);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.comments-closed {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--spacing-lg);
}

/* Error 404 */
.error-404 {
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.error-title {
    font-size: 6rem;
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.error-message {
    font-size: var(--font-size-h2);
    font-family: var(--font-serif);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.error-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.back-home {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-text);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.back-home:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    color: var(--color-text);
}

/* Site Footer */
.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xxl) 0;
    margin-top: var(--spacing-xxl);
}

.footer-content {
    text-align: center;
    max-width: 1100px;
    margin: 0 auto;
}

.footer-columns {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    align-items: center;
}

.footer-column {
    width: 100%;
    max-width: 600px;
}

.footer-title {
    font-size: var(--font-size-h4);
    color: var(--color-text);
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 600;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
}

.tag-item {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    text-decoration: none;
    transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.tag-item:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
    border-color: var(--color-border-light);
}

.no-tags {
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
}

.footer-search-form {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0 auto;
    width: 100%;
}

.footer-search-form input[type="search"] {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    background: var(--color-bg);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition-base);
}

.footer-search-form input[type="search"]::placeholder {
    color: var(--color-text-muted);
}

.footer-search-form input[type="search"]:focus {
    border-color: var(--color-accent);
}

.footer-search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-text);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    color: var(--color-bg);
    transition: background-color var(--transition-base);
    flex-shrink: 0;
}

.footer-search-submit:hover {
    background: var(--color-accent);
}

.footer-search-submit svg {
    width: 18px;
    height: 18px;
}

.footer-copyright {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-copyright p {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin: var(--spacing-xs) 0;
}

.footer-copyright a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

/* Animations - Neo-Organic Memphis */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes organicPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Organic Decorative Elements */
.organic-decoration {
    position: relative;
}

.organic-decoration::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    border-radius: 50% 40% 60% 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
    z-index: -1;
}

/* Gold Gradient Text */
.gold-gradient-text {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Organic Border */
.organic-border {
    border: 2px solid transparent;
    background: linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
                linear-gradient(135deg, var(--color-gold), var(--color-gold-light)) border-box;
    border-radius: var(--border-radius-md);
}

/* Soft Shadow */
.soft-shadow {
    box-shadow: 0 8px 32px rgba(107, 83, 68, 0.1);
}

/* Hover Lift Effect */
.hover-lift {
    transition: all var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design - Tablet & Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
        --font-size-h1: 2rem;
        --font-size-h2: 1.75rem;
        --font-size-h3: 1.25rem;
        --font-size-h4: 1.125rem;
        --font-size-small: 0.8125rem;
        --spacing-xs: 0.375rem;
        --spacing-sm: 0.875rem;
        --spacing-md: 1.25rem;
        --spacing-lg: 1.75rem;
        --spacing-xl: 2.5rem;
        --spacing-xxl: 3rem;
        --container-max-width: 100%;
        --container-narrow: 100%;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Header */
    .header-branding {
        padding: var(--spacing-md) 0 var(--spacing-sm);
    }

    .site-title {
        font-size: 1.5rem;
    }

    .site-description {
        font-size: var(--font-size-small);
    }

    .site-logo img {
        max-height: 48px;
    }

    .header-navigation {
        padding: var(--spacing-sm) 0;
    }

    /* 禁用移动端的滚动收起效果 */
    .site-header.scrolled {
        transform: translateY(0);
    }

    .site-header.scrolled .header-branding {
        opacity: 1;
        visibility: visible;
        height: auto;
        padding: var(--spacing-md) 0 var(--spacing-sm);
        margin: 0;
        overflow: visible;
    }

    /* Navigation */
    .site-nav {
        display: none;
    }

    /* Menu Toggle */
    .menu-toggle {
        display: flex;
        width: 36px;
        height: 30px;
    }

    .menu-toggle span {
        height: 3px;
        border-radius: 2px;
    }

    /* Mobile Navigation */
    .mobile-nav {
        width: 280px;
    }

    .mobile-nav-header {
        padding: var(--spacing-md);
    }

    .mobile-nav-title {
        font-size: var(--font-size-h4);
    }

    .mobile-nav-close {
        width: 32px;
        height: 32px;
    }

    .mobile-nav-close svg {
        width: 18px;
        height: 18px;
    }

    .mobile-nav-menu a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
        border-radius: 0;
    }

    .nav-menu a::before {
        display: none;
    }

    .nav-menu a.active {
        color: var(--color-gold);
        background-color: rgba(212, 175, 55, 0.1);
    }

    .nav-menu a:hover {
        background-color: rgba(212, 175, 55, 0.05);
    }

    /* Main Content */
    .site-main {
        padding: var(--spacing-lg) 0;
    }

    /* Archive Header */
    .archive-header {
        margin-bottom: var(--spacing-lg);
    }

    .archive-title {
        font-size: var(--font-size-h2);
    }

    /* Post Card */
    .post-list {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }

    .post-card,
    .post-card-large,
    .post-card-medium,
    .post-card-small {
        grid-column: span 1;
        padding: var(--spacing-md);
        border-radius: var(--border-radius-md);
        min-height: auto;
    }

    .post-card-large {
        grid-column: span 1;
    }

    .post-card:last-child {
        border-bottom: 1px solid var(--color-border);
        margin-bottom: 0;
    }

    .entry-header {
        margin-bottom: var(--spacing-sm);
    }

    .entry-title {
        font-size: var(--font-size-h2);
        line-height: 1.3;
    }

    .entry-meta {
        gap: var(--spacing-sm);
        font-size: var(--font-size-small);
        padding: var(--spacing-xs) 0;
        align-items: baseline;
        flex-wrap: wrap;
    }

    .entry-meta span {
        white-space: nowrap;
        line-height: 1.5;
    }

    .entry-meta span::before {
        width: 5px;
        height: 5px;
        margin-right: calc(var(--spacing-xs) * 0.75);
    }

    .post-card-small .entry-meta {
        gap: var(--spacing-xs);
        font-size: 0.8125rem;
    }

    .post-card-small .entry-meta span::before {
        width: 5px;
        height: 5px;
        margin-right: calc(var(--spacing-xs) * 0.5);
    }

    .post-card-small .entry-meta span {
        font-size: 0.8125rem;
    }

    .entry-summary {
        font-size: var(--font-size-base);
        min-height: auto;
    }

    .entry-footer {
        margin-top: var(--spacing-md);
        padding-top: 0;
    }

    .entry-footer {
        margin-top: var(--spacing-md);
        padding-top: 0;
    }

    .post-card-large .entry-summary {
        min-height: auto;
    }

    /* Post Single */
    .post-single .entry-title {
        font-size: var(--font-size-h1);
        line-height: 1.25;
        margin-bottom: var(--spacing-md);
    }

    .entry-content {
        font-size: var(--font-size-base);
        line-height: 1.75;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .entry-content p {
        margin-bottom: var(--spacing-md);
    }

    .entry-content h2,
    .entry-content h3,
    .entry-content h4 {
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
        line-height: 1.3;
    }

    .entry-content h2 {
        font-size: var(--font-size-h2);
    }

    .entry-content h3 {
        font-size: var(--font-size-h3);
    }

    .entry-content ul,
    .entry-content ol {
        margin-bottom: var(--spacing-md);
        padding-left: var(--spacing-lg);
    }

    .entry-content li {
        margin-bottom: var(--spacing-xs);
        line-height: 1.7;
    }

    .entry-content blockquote {
        border-left: 3px solid var(--color-gold);
        padding: var(--spacing-sm) var(--spacing-md);
        margin: var(--spacing-md) 0;
        background-color: var(--color-bg-alt);
        border-radius: var(--border-radius-sm);
        line-height: 1.7;
    }

    .entry-content code {
        font-size: 0.875rem;
    }

    .entry-content pre {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
        line-height: 1.6;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .entry-content table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        font-size: 0.875rem;
    }

    .entry-content img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    .entry-tags {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-border-light);
    }

    .entry-tags a {
        display: inline-block;
        margin-right: var(--spacing-xs);
        margin-bottom: var(--spacing-xs);
        padding: calc(var(--spacing-xs) * 0.5) var(--spacing-xs);
        background-color: var(--color-bg-alt);
        border-radius: var(--border-radius-sm);
        color: var(--color-text-light);
        text-decoration: none;
        transition: all var(--transition-base);
    }

    .entry-tags a:hover {
        color: var(--color-gold);
        background-color: rgba(212, 175, 55, 0.1);
    }

    /* Post Navigation */
    .post-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
    }

    .nav-prev,
    .nav-next {
        text-align: center;
        padding: var(--spacing-sm);
        background-color: var(--color-bg-alt);
        border-radius: var(--border-radius-sm);
    }

    .nav-prev a,
    .nav-next a {
        display: block;
        padding: var(--spacing-xs);
    }

    /* Pagination */
    .pagination,
    .page-navigator {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
    }

    .pagination a,
    .pagination .current,
    .page-navigator a,
    .page-navigator .current {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-small);
        min-width: 36px;
        min-height: 36px;
    }

    /* Comments */
    .comments-section {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
    }

    .comments-title {
        font-size: var(--font-size-h3);
        margin-bottom: var(--spacing-md);
    }

    .comment-body {
        gap: var(--spacing-sm);
    }

    .comment-avatar img {
        width: 40px;
        height: 40px;
    }

    .respond-form {
        padding: var(--spacing-md);
    }

    .respond-title {
        font-size: var(--font-size-h4);
        margin-bottom: var(--spacing-sm);
    }

    .form-group textarea {
        padding: var(--spacing-sm);
        font-size: var(--font-size-base);
    }

    .form-row {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .form-row input {
        min-width: 100%;
        padding: var(--spacing-sm);
        font-size: var(--font-size-base);
    }

    .submit-btn {
        width: 100%;
        padding: var(--spacing-sm);
        font-size: var(--font-size-base);
    }

    /* Error 404 */
    .error-404 {
        padding: var(--spacing-xl) 0;
    }

    .error-title {
        font-size: 4rem;
    }

    .error-message {
        font-size: var(--font-size-h3);
    }

    .back-home {
        padding: var(--spacing-sm) var(--spacing-md);
        width: 100%;
        text-align: center;
    }

    /* Footer */
    .site-footer {
        padding: var(--spacing-md) 0;
        margin-top: var(--spacing-lg);
    }

    .footer-content {
        text-align: center;
        max-width: 100%;
    }

    .footer-columns {
        flex-direction: column;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .footer-column {
        width: 100%;
        max-width: 100%;
    }

    .footer-title {
        font-size: var(--font-size-h5);
        margin: 0 0 var(--spacing-sm) 0;
    }

    .tag-cloud {
        gap: var(--spacing-xs);
        justify-content: center;
        align-items: center;
    }

    .tag-item {
        padding: var(--spacing-xs);
        font-size: 0.75rem;
    }

    .footer-search-form {
        max-width: 100%;
    }

    .footer-search-form input[type="search"] {
        max-width: none;
    }
}

/* Responsive Design - Mobile */
@media (max-width: 480px) {
    :root {
        --font-size-base: 16px;
        --font-size-h1: 1.625rem;
        --font-size-h2: 1.375rem;
        --font-size-h3: 1.125rem;
        --font-size-small: 0.875rem;
        --spacing-xs: 0.375rem;
        --spacing-sm: 0.875rem;
        --spacing-md: 1.25rem;
        --spacing-lg: 1.75rem;
        --spacing-xl: 2.25rem;
        --spacing-xxl: 2.75rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Header */
    .header-branding {
        padding: var(--spacing-sm) 0;
    }

    .site-title {
        font-size: 1.25rem;
    }

    .site-description {
        font-size: var(--font-size-small);
    }

    .site-logo img {
        max-height: 40px;
    }

    .header-navigation {
        padding: var(--spacing-xs) 0;
    }

    /* 禁用移动端的滚动收起效果 */
    .site-header.scrolled {
        transform: translateY(0);
    }

    .site-header.scrolled .header-branding {
        opacity: 1;
        visibility: visible;
        height: auto;
        padding: var(--spacing-sm) 0;
        margin: 0;
        overflow: visible;
    }

    /* Menu Toggle */
    .menu-toggle {
        width: 32px;
        height: 26px;
    }

    /* Mobile Navigation */
    .mobile-nav {
        width: 260px;
    }

    .mobile-nav-header {
        padding: var(--spacing-sm);
    }

    .mobile-nav-title {
        font-size: var(--font-size-h4);
    }

    .mobile-nav-close {
        width: 30px;
        height: 30px;
    }

    .mobile-nav-close svg {
        width: 16px;
        height: 16px;
    }

    .mobile-nav-menu a {
        padding: calc(var(--spacing-xs) * 0.75) var(--spacing-sm);
        font-size: var(--font-size-base);
    }

    /* Main Content */
    .site-main {
        padding: var(--spacing-md) 0;
    }

    /* Post Card */
    .post-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .post-card,
    .post-card-large,
    .post-card-medium,
    .post-card-small {
        grid-column: span 1;
        padding: var(--spacing-sm);
        min-height: auto;
    }

    .entry-title {
        font-size: var(--font-size-h2);
        margin-bottom: var(--spacing-sm);
    }

    .entry-meta {
        flex-direction: row;
        gap: var(--spacing-sm);
        font-size: var(--font-size-small);
        align-items: baseline;
        flex-wrap: wrap;
        padding: var(--spacing-xs) 0;
    }

    .entry-meta span {
        white-space: nowrap;
        line-height: 1.5;
        font-size: 0.8125rem;
    }

    .entry-meta span::before {
        margin-right: calc(var(--spacing-xs) * 0.75);
        width: 5px;
        height: 5px;
    }

    .post-card-small .entry-meta {
        gap: calc(var(--spacing-xs) * 0.75);
    }

    .post-card-small .entry-meta span {
        font-size: 0.75rem;
    }

    .post-card-small .entry-meta span::before {
        width: 4px;
        height: 4px;
        margin-right: calc(var(--spacing-xs) * 0.5);
    }

    .entry-summary {
        font-size: var(--font-size-base);
        line-height: 1.6;
        min-height: auto;
    }

    .entry-footer {
        margin-top: var(--spacing-md);
        padding-top: 0;
    }

    .entry-footer {
        margin-top: var(--spacing-md);
        padding-top: 0;
    }

    .post-card-large .entry-summary {
        min-height: auto;
    }

    /* Post Single */
    .post-single .entry-title {
        font-size: var(--font-size-h1);
        margin-bottom: var(--spacing-md);
        line-height: 1.3;
        word-wrap: break-word;
    }

    .entry-content {
        font-size: var(--font-size-base);
        line-height: 1.8;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .entry-content p {
        margin-bottom: var(--spacing-md);
        text-align: justify;
        text-justify: inter-ideograph;
    }

    .entry-content h2,
    .entry-content h3,
    .entry-content h4 {
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
        line-height: 1.3;
    }

    .entry-content h2 {
        font-size: var(--font-size-h2);
    }

    .entry-content h3 {
        font-size: var(--font-size-h3);
    }

    .entry-content h4 {
        font-size: 1.125rem;
    }

    .entry-content ul,
    .entry-content ol {
        margin-bottom: var(--spacing-md);
        padding-left: var(--spacing-lg);
    }

    .entry-content li {
        margin-bottom: var(--spacing-sm);
        line-height: 1.7;
    }

    .entry-content blockquote {
        border-left: 3px solid var(--color-gold);
        padding: var(--spacing-sm) var(--spacing-md);
        margin: var(--spacing-md) 0;
        color: var(--color-text-light);
        background-color: var(--color-bg-alt);
        border-radius: var(--border-radius-sm);
        font-size: 0.9375rem;
        line-height: 1.7;
    }

    .entry-content code {
        font-size: 0.875rem;
        padding: 0.125em 0.375em;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .entry-content pre {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
        line-height: 1.6;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: var(--border-radius-sm);
    }

    .entry-content pre code {
        font-size: inherit;
        padding: 0;
        word-wrap: normal;
        overflow-wrap: normal;
    }

    .entry-content img {
        max-width: 100%;
        height: auto;
        margin: var(--spacing-md) 0;
        border-radius: var(--border-radius-sm);
        display: block;
    }

    .entry-content table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        font-size: 0.875rem;
        margin-bottom: var(--spacing-md);
    }

    .entry-content th,
    .entry-content td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .entry-tags {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-border-light);
        font-size: var(--font-size-small);
    }

    .entry-tags span {
        font-weight: 500;
    }

    .entry-tags a {
        display: inline-block;
        margin-right: var(--spacing-xs);
        margin-bottom: var(--spacing-xs);
        padding: calc(var(--spacing-xs) * 0.5) var(--spacing-xs);
        background-color: var(--color-bg-alt);
        border-radius: var(--border-radius-sm);
        color: var(--color-text-light);
        text-decoration: none;
        transition: all var(--transition-base);
    }

    .entry-tags a:hover {
        color: var(--color-gold);
        background-color: rgba(212, 175, 55, 0.1);
    }

    /* Post Navigation */
    .post-nav {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    /* Pagination */
    .pagination,
    .page-navigator {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    .pagination a,
    .pagination .current,
    .page-navigator a,
    .page-navigator .current {
        padding: 0.375rem 0.75rem;
        font-size: var(--font-size-small);
        margin: 0 0.125rem;
        min-width: 36px;
        min-height: 36px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* Comments */
    .comments-section {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    .comments-title {
        font-size: var(--font-size-h4);
        margin-bottom: var(--spacing-sm);
    }

    .comment-body {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .comment-avatar {
        text-align: center;
    }

    .comment-avatar img {
        width: 36px;
        height: 36px;
    }

    .respond-form {
        padding: var(--spacing-sm);
    }

    .respond-title {
        font-size: var(--font-size-h4);
        margin-bottom: var(--spacing-xs);
    }

    .form-group textarea {
        padding: var(--spacing-xs);
        font-size: var(--font-size-base);
    }

    .form-row input {
        padding: var(--spacing-xs);
        font-size: var(--font-size-base);
    }

    .submit-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-base);
    }

    /* Error 404 */
    .error-404 {
        padding: var(--spacing-lg) 0;
    }

    .error-title {
        font-size: 3rem;
    }

    .error-message {
        font-size: var(--font-size-h3);
    }

    /* Footer */
    .site-footer {
        padding: var(--spacing-lg) 0;
        margin-top: var(--spacing-md);
    }

    .footer-content {
        text-align: center;
        max-width: 100%;
        padding: 0 var(--spacing-sm);
    }

    .footer-columns {
        flex-direction: column;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .footer-column {
        width: 100%;
        max-width: 100%;
    }

    .footer-title {
        font-size: var(--font-size-h4);
        margin: 0 0 var(--spacing-sm) 0;
    }

    .tag-cloud {
        gap: var(--spacing-xs);
        justify-content: center;
        align-items: center;
    }

    .tag-item {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }

    .footer-search-form {
        max-width: 100%;
        gap: var(--spacing-sm);
    }

    .footer-search-form input[type="search"] {
        max-width: none;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
    }

    .footer-search-submit {
        width: 40px;
        height: 40px;
    }

    .footer-search-submit svg {
        width: 18px;
        height: 18px;
    }

    .footer-copyright {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    .footer-copyright p {
        font-size: 0.75rem;
        margin: calc(var(--spacing-xs) * 0.5) 0;
    }
    }

    .footer-search-form input[type="search"] {
        width: 100%;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-base);
    }

    .footer-search-submit {
        width: 40px;
        height: 40px;
    }

    .footer-search-submit svg {
        width: 18px;
        height: 18px;
    }

    .footer-copyright {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    .footer-copyright p {
        font-size: 0.75rem;
        margin: calc(var(--spacing-xs) * 0.5) 0;
    }
}

/* Responsive Design - Large Mobile */
@media (min-width: 481px) and (max-width: 768px) {
    :root {
        --font-size-base: 15px;
        --font-size-h1: 1.875rem;
        --font-size-h2: 1.5rem;
        --font-size-h3: 1.25rem;
        --font-size-small: 0.875rem;
    }

    .post-list {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--spacing-md);
    }

    .post-card,
    .post-card-large,
    .post-card-medium,
    .post-card-small {
        grid-column: span 1;
        min-height: auto;
    }

    .post-card-large {
        grid-column: span 1;
    }

    .entry-meta {
        gap: var(--spacing-sm);
        font-size: var(--font-size-small);
        padding: var(--spacing-xs) 0;
        align-items: baseline;
        flex-wrap: wrap;
    }

    .entry-meta span {
        white-space: nowrap;
        line-height: 1.5;
    }

    .entry-meta span::before {
        width: 5px;
        height: 5px;
        margin-right: calc(var(--spacing-xs) * 0.75);
    }

    .post-card-small .entry-meta {
        gap: var(--spacing-xs);
        font-size: 0.8125rem;
    }

    .post-card-small .entry-meta span::before {
        width: 5px;
        height: 5px;
        margin-right: calc(var(--spacing-xs) * 0.5);
    }

    .post-card-small .entry-meta span {
        font-size: 0.8125rem;
    }
}

/* Responsive Design - Tablet */
@media (min-width: 769px) and (max-width: 1199px) {
    .post-list {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: var(--spacing-lg);
    }

    .post-card,
    .post-card-large,
    .post-card-medium,
    .post-card-small {
        grid-column: span 1;
    }

    .post-card-large {
        grid-column: span 2;
        min-height: 400px;
    }

    .post-card-medium {
        min-height: 320px;
    }

    .post-card-small {
        min-height: 280px;
    }

    .post-card .entry-summary {
        min-height: 80px;
    }

    .post-card-large .entry-summary {
        min-height: 120px;
    }

    .entry-meta {
        gap: var(--spacing-sm);
        align-items: baseline;
        flex-wrap: wrap;
    }

    .entry-meta span {
        white-space: nowrap;
        line-height: 1.5;
    }

    .post-card-small .entry-meta {
        gap: var(--spacing-xs);
        font-size: 0.8125rem;
    }

    .post-card-small .entry-meta span::before {
        width: 5px;
        height: 5px;
        margin-right: calc(var(--spacing-xs) * 0.5);
    }

    .post-card-small .entry-meta span {
        font-size: 0.8125rem;
    }

    /* Footer */
    .site-footer {
        padding: var(--spacing-lg) 0;
    }

    .footer-content {
        max-width: 100%;
    }

    .footer-columns {
        flex-direction: column;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .footer-column {
        width: 100%;
        max-width: 100%;
    }

    .tag-cloud {
        gap: var(--spacing-sm);
        justify-content: center;
    }

    .tag-item {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-small);
    }

    .footer-search-form {
        max-width: 100%;
    }

    .footer-search-form input[type="search"] {
        max-width: none;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
    }

    .footer-search-submit {
        width: 40px;
        height: 40px;
    }

    .footer-search-submit svg {
        width: 18px;
        height: 18px;
    }

    .footer-copyright {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    .footer-copyright p {
        font-size: 0.875rem;
    }

    .footer-copyright {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    .footer-copyright p {
        font-size: 0.875rem;
    }
}

/* Animation for mobile menu */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    a,
    button,
    input,
    textarea {
        min-height: 44px;
        min-width: 44px;
    }

    .nav-menu a {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .read-more,
    .back-home,
    .submit-btn {
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
}

/* Landscape mobile */
@media (max-width: 768px) and (orientation: landscape) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-xxl: 2rem;
    }

    .error-404 {
        padding: var(--spacing-lg) 0;
    }
}

/* Dark mode support for mobile (optional) */
@media (prefers-color-scheme: dark) {
    @media (max-width: 768px) {
        :root {
            --color-bg: #1a1a1a;
            --color-bg-alt: #2d2d2d;
            --color-text: #e0e0e0;
            --color-text-light: #b0b0b0;
            --color-text-muted: #808080;
            --color-border: #404040;
        }
    }
}

/* Responsive Design - Large Desktop */
@media (min-width: 1200px) {
    .post-list {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
        gap: var(--spacing-xl);
    }

    .post-card-large {
        grid-column: span 2;
        min-height: 450px;
    }

    .post-card-medium {
        grid-column: span 1;
        min-height: 350px;
    }

    .post-card-small {
        grid-column: span 1;
        min-height: 300px;
    }

    .post-card .entry-summary {
        min-height: 100px;
    }

    .post-card-large .entry-summary {
        min-height: 150px;
    }

    .entry-meta {
        gap: var(--spacing-md);
        align-items: baseline;
        flex-wrap: wrap;
    }

    .entry-meta span {
        white-space: nowrap;
        line-height: 1.5;
    }

    .post-card-small .entry-meta {
        gap: var(--spacing-sm);
        font-size: 0.875rem;
    }

    .post-card-small .entry-meta span::before {
        width: 5px;
        height: 5px;
        margin-right: calc(var(--spacing-xs) * 0.75);
    }

    .post-card-small .entry-meta span {
        font-size: 0.875rem;
    }

    /* Footer */
    .site-footer {
        padding: var(--spacing-xl) 0;
    }

    .footer-content {
        max-width: 1000px;
    }

    .footer-columns {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .footer-column {
        width: 100%;
        max-width: 600px;
    }

    .tag-cloud {
        gap: var(--spacing-md);
        justify-content: center;
    }

    .tag-item {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-small);
    }

    .footer-copyright {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
    }

    .footer-copyright p {
        font-size: var(--font-size-small);
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .comments-section,
    .post-nav,
    .pagination {
        display: none;
    }

    .post-card {
        border-bottom: none;
        page-break-inside: avoid;
    }

    a {
        color: var(--color-text);
        text-decoration: underline;
    }
}