/* 全局样式重置和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a73e8;
    --primary-light: #4285f4;
    --secondary: #0f9d58;
    --dark-bg: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent: #fbbc05;
    --danger: #ea4335;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 布局组件 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
header {
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo span {
    color: var(--primary);
    margin-left: 8px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.auth-buttons {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

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

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

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 英雄区样式 */
.hero {
    margin-top: 80px;
    padding: 100px 0 120px;
    background: linear-gradient(135deg, #121212 0%, #1e1e1e 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(26, 115, 232, 0.1) 0%, transparent 70%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text {
    max-width: 500px;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    animation: float 6s ease-in-out infinite;
}

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

/* 特性区块样式 */
.features {
    padding: 100px 0;
    background-color: var(--dark-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.section-title h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

.feature-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 20px;
    background-color: rgba(26, 115, 232, 0.1);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 矿池统计区块 */
.stats {
    padding: 100px 0;
    background-color: var(--card-bg);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.stat-card {
    background-color: var(--dark-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    animation: countUp 2s ease-out;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 币种选择区块 */
.coins {
    padding: 100px 0;
    background-color: var(--dark-bg);
}

.coins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.coin-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.coin-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.coin-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: 50%;
    background-color: rgba(26, 115, 232, 0.1);
    color: var(--primary);
}

.coin-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.coin-price {
    font-size: 0.9rem;
    color: var(--secondary);
    font-weight: 500;
}

/* CTA区块 */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.cta-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.cta-btn {
    background-color: white;
    color: var(--primary);
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
}

.cta-btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

/* 页脚样式 */
footer {
    background-color: #0a0a0a;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--card-bg);
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 论坛页面特定样式 */
.forum {
    margin-top: 80px;
    padding: 60px 0;
}

.forum-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.forum-header h1 {
    font-size: 2rem;
    font-weight: 700;
}

.forum-filters {
    display: flex;
    gap: 15px;
    align-items: center;
}

.forum-filter {
    display: flex;
    align-items: center;
    gap: 8px;
}

.forum-filter select {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
}

/* 三栏布局 */
.forum-layout {
    display: grid;
    grid-template-columns: 280px 1fr 300px;
    gap: 30px;
    align-items: start;
}

/* 左侧边栏 */
.forum-sidebar-left {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 30px;
}

.sidebar-section h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.category-item {
    margin-bottom: 10px;
}

.category-item a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.05);
}

.category-item a:hover {
    background-color: var(--primary);
    color: white;
    transform: translateX(5px);
}

.category-item.active a {
    background-color: var(--primary);
    color: white;
}

.category-count {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.category-item.active .category-count,
.category-item a:hover .category-count {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

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

.hot-topics li {
    margin-bottom: 15px;
}

.hot-topics a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hot-topics a:hover {
    color: var(--primary);
    padding-left: 8px;
    border-bottom-color: var(--primary);
}

/* 中间主区域 */
.forum-main {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
}

.post-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 20px;
    transition: var(--transition);
    cursor: pointer;
    border-left: 4px solid transparent;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-left-color: var(--primary);
}

.post-card.sticky {
    border-left-color: var(--accent);
    background-color: rgba(251, 188, 5, 0.1);
}

.post-card.featured {
    border-left-color: var(--secondary);
    background-color: rgba(15, 157, 88, 0.1);
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.post-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-title .sticky-badge,
.post-title .featured-badge {
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.post-title .sticky-badge {
    background-color: var(--accent);
    color: #000;
}

.post-title .featured-badge {
    background-color: var(--secondary);
    color: white;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.author-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
}

.post-status {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-badge {
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.status-badge.important {
    background-color: var(--danger);
    color: white;
}

.post-content {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.post-stats {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.post-stat {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 评论区样式 */
.comments-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.comments-section h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.comment-input-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.user-avatar-small {
    width: 36px;
    height: 36px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
    flex-shrink: 0;
}

.comment-input-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.comment-input {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 15px;
    border-radius: var(--border-radius);
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    font-size: 0.95rem;
}

.comment-input:focus {
    outline: none;
    border-color: var(--primary);
}

.comment-submit {
    align-self: flex-end;
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.comment-item {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 15px;
    transition: background-color 0.3s ease;
}

.comment-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

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

.admin-tag {
    color: var(--primary);
    font-weight: 600;
}

.comment-time {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.comment-content {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 10px;
}

.comment-actions {
    display: flex;
    gap: 15px;
}

.comment-action {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.comment-action:hover {
    color: var(--primary);
}

.sub-comments {
    margin-top: 15px;
    margin-left: 46px;
    padding-left: 15px;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.show-more-comments {
    width: 100%;
    margin-top: 15px;
}

/* 右侧边栏 */
.forum-sidebar-right {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

/* 用户资料卡片 */
.user-profile-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
}

.user-profile-header {
    margin-bottom: 15px;
}

.user-avatar-large {
    width: 80px;
    height: 80px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto 10px;
}

.user-info h4 {
    color: var(--text-primary);
    margin: 0 0 5px 0;
    font-size: 1.2rem;
}

.user-rank {
    color: var(--primary);
    font-size: 0.9rem;
    margin: 0;
}

.user-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.btn-sm {
    padding: 8px 15px;
    font-size: 0.9rem;
}

.user-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 15px 0;
    padding: 15px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-stat {
    text-align: center;
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 5px;
}

.stat-value {
    display: block;
    color: var(--primary);
    font-size: 1.2rem;
    font-weight: 600;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* 热门用户 */
.hot-users {
    list-style: none;
    padding: 0;
    margin: 0;
}

.hot-user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease;
}

.hot-user-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.hot-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-level {
    background-color: var(--primary);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* 通知列表 */
.notifications {
    list-style: none;
    padding: 0;
    margin: 0;
}

.notification-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease;
    margin-bottom: 10px;
}

.notification-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.notification-icon {
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 3px;
}

.notification-content p {
    color: var(--text-primary);
    margin: 0 0 5px 0;
    font-size: 0.95rem;
}

.notification-time {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* 论坛统计 */
.forum-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.stat-item {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: var(--border-radius);
}

.stat-number {
    display: block;
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.stat-name {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pagination-btn {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    width: auto;
    height: auto;
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        max-width: 100%;
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 80px 0 100px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .forum-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .forum-filters {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .features-grid,
    .stats-container,
    .coins-grid {
        gap: 20px;
    }
    
    .feature-card,
    .stat-card,
    .coin-card {
        padding: 20px;
    }
    
    .footer-content {
        gap: 30px;
    }
}