/* ===================================
   CSS Variables - F95Zone Style
   =================================== */
:root {
    /* Primary Colors - Red/Brown Theme */
    --primary-color: #a85f5a;
    --primary-dark: #8b4a46;
    --primary-light: #c27a75;
    
    /* Background Colors - Dark Theme */
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-tertiary: #2d2d2d;
    --bg-card: #1e1e1e;
    
    /* Text Colors */
    --text-primary: #e8e8e8;
    --text-secondary: #b8b8b8;
    --text-tertiary: #888888;
    --text-muted: #666666;
    
    /* Accent Colors */
    --accent-color: #a85f5a;
    --accent-red: #d85f57;
    
    /* Border Colors */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(168, 95, 90, 0.3);
    
    /* Shadows - Subtle */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    /* Border Radius - More Subtle */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

/* ===================================
   Global Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', 'Poppins', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
}

.logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.logo-image {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    background: var(--bg-primary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(168, 95, 90, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(168, 95, 90, 0.04) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-lg) 0;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.title-main {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.title-sub {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-tertiary);
    margin-bottom: 3rem;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-secondary);
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: white;
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-primary i {
    transition: transform var(--transition-normal);
}

.btn-primary:hover i {
    transform: translateX(3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 1.5rem;
    color: var(--text-muted);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-tertiary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.about-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(168, 95, 90, 0.1);
}

.card-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    text-align: center;
}

.about-card p {
    color: var(--text-tertiary);
    line-height: 1.7;
    font-size: 0.95rem;
    text-align: center;
}

/* ===================================
   Forums Section
   =================================== */
.forums-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.forum-section {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.forum-section:hover {
    border-color: var(--border-hover);
}

.forum-header {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.forum-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.forum-header h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 600;
}

.forum-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.forum-item {
    display: flex;
    gap: 0.875rem;
    padding: 0.875rem;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.forum-item:hover {
    border-color: var(--border-color);
    background: var(--bg-secondary);
}

.forum-item i {
    font-size: 1rem;
    color: var(--primary-light);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.forum-item h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.forum-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ===================================
   Features Section
   =================================== */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(168, 95, 90, 0.1);
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.75rem;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.875rem;
    color: var(--text-primary);
    font-weight: 600;
}

.feature-card > p {
    color: var(--text-tertiary);
    margin-bottom: 1.25rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.feature-list i {
    color: var(--primary-color);
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* ===================================
   Content Types Section
   =================================== */
.content-types {
    background: var(--bg-primary);
}

.content-tabs {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.content-panel {
    display: none;
}

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

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.content-item {
    background: var(--bg-card);
    padding: 1.75rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    text-align: center;
}

.content-item:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
}

.content-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.content-item h4 {
    font-size: 1.15rem;
    margin-bottom: 0.625rem;
    color: var(--text-primary);
    font-weight: 600;
}

.content-item p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.9rem;
}

/* ===================================
   Community Section
   =================================== */
.community {
    background: var(--bg-secondary);
}

.community-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.community-block {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.community-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(168, 95, 90, 0.1);
    margin-bottom: 1.25rem;
}

.community-icon i {
    font-size: 1.75rem;
    color: var(--primary-color);
}

.community-block h3 {
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.community-points {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.point-item {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    padding: 0.875rem;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.point-item:hover {
    border-color: var(--border-color);
}

.point-item i {
    color: var(--primary-color);
    font-size: 1rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.point-item span {
    color: var(--text-tertiary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.community-activities {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.community-activities h3 {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
    font-weight: 600;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.25rem;
}

.activity-card {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.activity-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.875rem;
}

.activity-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.625rem;
    color: var(--text-primary);
    font-weight: 600;
}

.activity-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ===================================
   Articles Section
   =================================== */
.articles {
    background: var(--bg-primary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.article-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
}

.article-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

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

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.875rem;
    background: var(--primary-color);
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.article-content {
    padding: 1.5rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.article-meta i {
    font-size: 0.875rem;
}

.article-title {
    margin-bottom: 0.875rem;
}

.article-title a {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    line-height: 1.4;
    display: block;
    transition: color var(--transition-fast);
}

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

.article-excerpt {
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.article-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.article-author i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.article-read-more {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: gap var(--transition-fast);
}

.article-read-more:hover {
    gap: 0.625rem;
}

.article-read-more i {
    font-size: 0.75rem;
}

/* ===================================
   Article Page Styles
   =================================== */
.article-page {
    background: var(--bg-secondary);
}

.article-header-section {
    padding: 8rem 0 3rem;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.article-header-content {
    max-width: 900px;
    margin: 0 auto;
}

.article-header-category {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(168, 95, 90, 0.1);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
}

.article-header-title {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.article-header-meta {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.article-header-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

.article-header-meta-item i {
    color: var(--primary-color);
}

.article-body {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.article-body h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.article-body p {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}

.article-body ul,
.article-body ol {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-body li {
    margin-bottom: 0.75rem;
}

.article-body strong {
    color: var(--text-secondary);
    font-weight: 600;
}

.article-body blockquote {
    padding: 1.5rem;
    background: var(--bg-primary);
    border-left: 3px solid var(--primary-color);
    border-radius: var(--radius-sm);
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.article-tag {
    padding: 0.5rem 1rem;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.article-share {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.article-share-label {
    font-weight: 600;
    color: var(--text-primary);
}

.article-share-buttons {
    display: flex;
    gap: 0.75rem;
}

.share-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

/* ===================================
   Join Section
   =================================== */
.join {
    position: relative;
    padding: var(--spacing-xl) 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.join-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(168, 95, 90, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(168, 95, 90, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.join-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.join-content h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.join-description {
    font-size: 1rem;
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.join-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.join-feature {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.875rem 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.join-feature i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.join-feature span {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.btn-join {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: white;
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-join:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-join i {
    transition: transform var(--transition-normal);
}

.btn-join:hover i {
    transform: translateX(3px);
}

.join-note {
    margin-top: 1.25rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-lg) 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.footer-desc {
    color: var(--text-tertiary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.footer-stats {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-stat {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-stat i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: 0.95rem;
}

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

.footer-visit-text {
    color: var(--text-tertiary);
    margin-bottom: 1.25rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: white;
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.footer-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.footer-btn i {
    transition: transform var(--transition-normal);
}

.footer-btn:hover i {
    transform: translateX(3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 1.125rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ===================================
   Page Header (for sub pages)
   =================================== */
.page-header {
    padding: 8rem 0 4rem;
    background: var(--bg-primary);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-tertiary);
}

/* ===================================
   Content Section (for sub pages)
   =================================== */
.content-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

.content-section h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.content-section h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.content-section p {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.content-section ul, 
.content-section ol {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

/* ===================================
   FAQ Styles
   =================================== */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.category-title i {
    color: var(--primary-color);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.faq-item {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    margin-bottom: 1rem;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.faq-question h3 {
    font-size: 1.15rem;
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
}

.faq-answer p {
    color: var(--text-tertiary);
    line-height: 1.7;
    margin: 0;
}

.help-cta {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-top: 3rem;
}

.help-cta h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.help-cta p {
    color: var(--text-tertiary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

/* ===================================
   Document Content Styles
   =================================== */
.document-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.document-content h2 {
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.document-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.document-content h3 {
    color: var(--text-primary);
    font-size: 1.35rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.document-content p {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.document-content ul,
.document-content ol {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.document-content li {
    margin-bottom: 0.75rem;
}

.document-content strong {
    color: var(--text-secondary);
    font-weight: 600;
}

.document-meta {
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.document-meta p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.document-meta strong {
    color: var(--text-secondary);
}

/* ===================================
   Form Styles
   =================================== */
.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group .form-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-actions .btn-primary {
    flex: 1;
}

.success-message {
    background: rgba(168, 95, 90, 0.1);
    border: 1px solid var(--primary-color);
    padding: 1.25rem;
    border-radius: var(--radius-sm);
    text-align: center;
    margin-bottom: 2rem;
}

.success-message i {
    color: var(--primary-color);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.success-message h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.success-message p {
    color: var(--text-tertiary);
    margin: 0;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .title-main {
        font-size: 3rem;
    }
    
    .title-sub {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 1.25rem;
    }
    
    .content-tabs {
        gap: 0.5rem;
    }
    
    .tab-btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .community-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-secondary);
        transition: left var(--transition-normal);
        z-index: 999;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 0;
    }
    
    .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link {
        display: block;
        padding: 1rem 0;
        font-size: 1rem;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .title-sub {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: row;
        gap: 0.5rem;
        justify-content: space-between;
    }
    
    .stat-item {
        flex: 1;
        min-width: 0;
        padding: 1rem 0.5rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .stat-icon {
        font-size: 1.5rem;
    }
    
    .stat-content h3 {
        font-size: 1.25rem;
    }
    
    .stat-content p {
        font-size: 0.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .about-grid,
    .forums-container,
    .features-grid,
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .join-content h2 {
        font-size: 2rem;
    }
    
    .join-description {
        font-size: 0.95rem;
    }
    
    .join-features {
        flex-direction: column;
        gap: 0.875rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .title-sub {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    .btn-primary,
    .btn-join {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .about-card,
    .feature-card,
    .community-block {
        padding: 1.5rem;
    }
    
    .forum-section {
        padding: 1.5rem;
    }
    
    .join-content {
        padding: 2rem 1.5rem;
    }
    
    .activities-grid {
        grid-template-columns: 1fr;
    }
}