:root {
    
    --color-primary: #4CAF50;
    --color-primary-dark: #388E3C;
    --color-primary-light: #81C784;
    --color-primary-lighter: #C8E6C9;
    
    
    --color-secondary: #FF9800;
    --color-secondary-dark: #F57C00;
    --color-accent: #00BCD4;
    
    
    --color-dark: #1a1a2e;
    --color-dark-light: #2d2d44;
    --color-gray: #666;
    --color-gray-light: #999;
    --color-gray-lighter: #e0e0e0;
    --color-bg: #f5f7fa;
    --color-white: #ffffff;
    
    
    --color-success: #4CAF50;
    --color-warning: #FFC107;
    --color-danger: #f44336;
    --color-info: #2196F3;
    
    
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-family-code: "SF Mono", Consolas, monospace;
    
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transition: background var(--transition-base);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo-wrapper {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-image {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    object-fit: contain;
    transition: transform var(--transition-base);
}

.logo-link:hover .logo-image {
    transform: scale(1.1) rotate(5deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.logo-slogan {
    font-size: 0.75rem;
    color: var(--color-gray);
}

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

.nav-list {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-dark);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.nav-link.active {
    color: var(--color-white);
    background: var(--color-primary);
}

.search-wrapper {
    flex-shrink: 0;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    padding: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.search-form:focus-within {
    background: var(--color-white);
    box-shadow: 0 0 0 2px var(--color-primary);
}

.search-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    font-size: 0.9rem;
    outline: none;
    min-width: 180px;
}

.search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.search-btn:hover {
    background: var(--color-primary-dark);
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.hamburger {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hamburger::before {
    content: '';
    top: -8px;
    left: 0;
}

.hamburger::after {
    content: '';
    top: 8px;
    left: 0;
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

.breadcrumb-nav {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-lighter);
}

.breadcrumb-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    color: var(--color-gray-light);
}

.breadcrumb-item a {
    color: var(--color-gray);
    transition: color var(--transition-fast);
}

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

.breadcrumb-item span {
    color: var(--color-dark);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(76, 175, 80, 0.4);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.5);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-lg);
}

.section-title-wrapper {
    flex: 1;
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary-lighter);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1rem;
    color: var(--color-gray);
    max-width: 600px;
}

.section-more {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: 500;
    white-space: nowrap;
    transition: gap var(--transition-fast);
}

.section-more:hover {
    gap: var(--spacing-sm);
}

.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    overflow: hidden;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.05) 0%, transparent 30%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 25%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255,255,255,0.2);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-warning);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    color: var(--color-white);
}

.hero-title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.hero-title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.9;
    margin-top: var(--spacing-sm);
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.9);
    line-height: 1.8;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
}

.hero-visual {
    position: absolute;
    right: 5%;
    bottom: 0;
    z-index: 1;
    display: none;
}

.hero-mascot {
    position: relative;
}

.mascot-image {
    width: 250px;
    height: 250px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.mascot-glow {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 30px;
    background: radial-gradient(ellipse, rgba(0,0,0,0.3) 0%, transparent 70%);
}

.comic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}
.comic-cover {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

.comic-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.comic-card:hover .comic-image {
    transform: scale(1.08);
}

.comic-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
    background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, transparent 100%);
}

.comic-tag {
    padding: 2px var(--spacing-sm);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-white);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.tag-hot { background: var(--color-danger); }
.tag-new { background: var(--color-info); }
.tag-recommend { background: var(--color-secondary); }
.tag-classic { background: var(--color-primary); }

.comic-status {
    margin-left: auto;
    padding: 2px var(--spacing-sm);
    font-size: 0.7rem;
    color: var(--color-white);
    background: rgba(0,0,0,0.5);
    border-radius: var(--radius-sm);
}

.comic-info {
    padding: var(--spacing-md);
}

.comic-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.comic-author,
.comic-genre {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.comic-desc {
    font-size: 0.875rem;
    color: var(--color-gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.comic-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-lighter);
}

.comic-chapter,
.comic-views {
    font-size: 0.75rem;
    color: var(--color-gray);
}

.comic-views {
    color: var(--color-secondary);
    font-weight: 600;
}

.comic-action {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
}

.btn-read {
    display: block;
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--color-primary-lighter);
    color: var(--color-primary);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.comic-card:hover .btn-read {
    background: var(--color-primary);
    color: var(--color-white);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.category-card:hover::before {
    transform: scaleX(1);
}

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

.category-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.category-rexue .category-icon { background: #ffebee; color: #f44336; }
.category-aiqing .category-icon { background: #fce4ec; color: #e91e63; }
.category-zhixuan .category-icon { background: #e3f2fd; color: #2196f3; }
.category-maoxian .category-icon { background: #e8f5e9; color: #4caf50; }
.category-gaoxiao .category-icon { background: #fff3e0; color: #ff9800; }
.category-zhanzheng .category-icon { background: #efebe9; color: #795548; }
.category-kehuan .category-icon { background: #ede7f6; color: #673ab7; }
.category-yundong .category-icon { background: #e0f7fa; color: #00bcd4; }

.category-card:hover .category-icon {
    transform: scale(1.1);
}

.category-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.category-count {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.category-arrow {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    opacity: 0;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.category-card:hover .category-arrow {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.download-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.download-platform {
    margin-bottom: var(--spacing-lg);
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
}

.platform-icon.android { background: linear-gradient(135deg, #3ddc84, #4caf50); color: white; }
.platform-icon.ios { background: linear-gradient(135deg, #007aff, #5856d6); color: white; }
.platform-icon.pc { background: linear-gradient(135deg, #0078d4, #00a4ef); color: white; }

.platform-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
}

.download-info {
    margin-bottom: var(--spacing-lg);
}

.download-version {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.download-features {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.btn-download {
    width: 100%;
    margin-bottom: var(--spacing-md);
}

.btn-android { background: #3ddc84; color: white; }
.btn-android:hover { background: #2bc97a; }

.btn-ios { background: #007aff; color: white; }
.btn-ios:hover { background: #0066d6; }

.btn-pc { background: #0078d4; color: white; }
.btn-pc:hover { background: #0066b8; }

.download-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.download-qr img {
    width: 120px;
    height: 120px;
    padding: var(--spacing-sm);
    background: var(--color-white);
    border: 1px solid var(--color-gray-lighter);
    border-radius: var(--radius-md);
}

.qr-hint {
    font-size: 0.75rem;
    color: var(--color-gray);
}

.features-section {
    background: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-lighter);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--color-gray);
    line-height: 1.7;
}

.changelog-section {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-white) 100%);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-primary-lighter);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-xl) + 4px);
    top: 6px;
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
    border: 2px solid var(--color-white);
}

.timeline-date {
    display: block;
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.timeline-desc {
    font-size: 0.9rem;
    color: var(--color-gray);
    line-height: 1.7;
}

.about-section {
    background: var(--color-white);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-header {
    margin-bottom: var(--spacing-xl);
}

.about-article {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.about-article p {
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-article strong {
    color: var(--color-dark);
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
}

.about-stat {
    display: flex;
    flex-direction: column;
}

.about-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.about-stat-label {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.friends-section {
    background: var(--color-bg);
}

.friends-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.friend-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

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

.friend-name {
    font-weight: 600;
    color: var(--color-dark);
}

.friends-apply {
    text-align: center;
}

.friends-apply p {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.contact-section {
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.contact-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
}

.contact-label {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.contact-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
}

.contact-value[href]:hover {
    color: var(--color-primary);
}

.site-footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-sitemap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sitemap-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary-light);
}

.sitemap-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.sitemap-list a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    transition: color var(--transition-fast);
}

.sitemap-list a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
}

.footer-logo span {
    font-size: 1.125rem;
    font-weight: 700;
}

.footer-copyright {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: var(--spacing-sm);
}

.footer-copyright a {
    color: rgba(255,255,255,0.8);
}

.footer-copyright a:hover {
    color: var(--color-primary-light);
}

.footer-statement {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
}

.back-to-top {
    position: fixed;
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

@media (max-width: 1024px) {
    .hero-title-main {
        font-size: 2.5rem;
    }
    
    .hero-title-sub {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .main-nav {
        order: 3;
        width: 100%;
        display: none;
        padding-top: var(--spacing-md);
    }
    
    .main-nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
    }
    
    .search-wrapper {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-section {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .hero-content {
        align-items: center;
        text-align: center;
    }
    
    .hero-title-main {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-lg);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .comic-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .footer-sitemap {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .logo-text {
        display: none;
    }
    
    .hero-title-main {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .comic-grid {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-sitemap {
        grid-template-columns: 1fr;
    }
    
    .footer-copyright {
        font-size: 0.75rem;
    }
}

@media print {
    .site-header,
    .breadcrumb-nav,
    .back-to-top,
    .hero-visual {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        padding: 20px 0;
    }
    
    .comic-card {
        break-inside: avoid;
    }
}

.articles-section {
    background: var(--color-white);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.article-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.article-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    color: inherit;
}

.article-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-lighter);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.article-card:hover .article-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.article-content {
    flex: 1;
    min-width: 0;
}

.article-date {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.article-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-excerpt {
    font-size: 0.85rem;
    color: var(--color-gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-arrow {
    flex-shrink: 0;
    font-size: 1.25rem;
    color: var(--color-primary);
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-fast);
}

.article-card:hover .article-arrow {
    opacity: 1;
    transform: translateX(0);
}