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

:root {
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-bg-hover: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.25);
    --glass-backdrop: blur(20px);
    
    --primary: #0ea5e9;
    --primary-light: #38bdf8;
    --primary-dark: #0284c7;
    --secondary: #06b6d4;
    --accent: #8b5cf6;
    --accent-light: #a78bfa;
    
    --bg-gradient-start: #0c1420;
    --bg-gradient-mid: #1a365d;
    --bg-gradient-end: #0c1420;
    
    --text: #f1f5f9;
    --text-light: #94a3b8;
    --text-muted: #64748b;
    
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --header-height: 60px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-mid) 50%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 90%, rgba(14, 165, 233, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 90% 10%, rgba(139, 92, 246, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background: rgba(12, 20, 32, 0.92);
    backdrop-filter: var(--glass-backdrop);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
    height: var(--header-height);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    gap: var(--spacing-md);
}

.header-left {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo img {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    object-fit: cover;
}

.header-nav {
    display: flex;
    gap: var(--spacing-xs);
    flex: 1;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-item {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 14px;
    border-radius: 20px;
    transition: all 0.2s ease;
    background: transparent;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-light);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.header-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.action-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    font-size: 17px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.action-item:hover {
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-light);
    transform: translateY(-1px);
}

.action-item .badge {
    position: absolute;
    top: -3px;
    right: -3px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 8px;
    min-width: 16px;
    text-align: center;
    font-weight: 600;
}

.user-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--glass-border);
}

.user-menu:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

.user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}

.user-name {
    font-weight: 600;
    color: var(--text);
    font-size: 13px;
}

.user-level {
    font-size: 10px;
    color: var(--primary-light);
}

.user-menu-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: rgba(12, 20, 32, 0.98);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    min-width: 170px;
    z-index: 200;
    padding: 5px 0;
}

.user-menu:hover .user-menu-dropdown {
    display: block;
}

.user-menu-dropdown a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s ease;
}

.user-menu-dropdown a:hover {
    background: rgba(14, 165, 233, 0.2);
    color: var(--text);
}

.user-menu-dropdown .logout {
    color: var(--danger);
    border-top: 1px solid var(--glass-border);
    margin-top: 4px;
}

.user-menu-dropdown .logout:hover {
    background: rgba(239, 68, 68, 0.15);
}

.auth-links {
    display: flex;
    gap: var(--spacing-xs);
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 22px;
    cursor: pointer;
    padding: 4px 6px;
}

.mobile-menu {
    display: none;
    background: rgba(12, 20, 32, 0.95);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-md);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.mobile-nav a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.04);
}

.mobile-nav a:hover {
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.5);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
}

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 13px 30px;
    font-size: 15px;
}

.main-content {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    width: 100%;
    display: flex;
    gap: var(--spacing-lg);
}

.sidebar-section {
    width: 260px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.main-section {
    flex: 1;
    min-width: 0;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.35);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
}

.card-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
}

.card-subtitle {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 3px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text);
    font-size: 13px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 9px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 12px rgba(14, 165, 233, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: #1a365d;
    color: var(--text);
}

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

.form-row .form-group {
    flex: 1;
}

.captcha-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.captcha-img {
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    width: 130px;
    height: 40px;
    background: white;
}

.captcha-img:hover {
    opacity: 0.9;
}

.error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #fca5a5;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 13px;
}

.success {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.25);
    color: #86efac;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 13px;
}

.post-list {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-md);
}

.post-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all 0.25s ease;
    cursor: pointer;
}

.post-card:hover {
    box-shadow: 0 10px 35px rgba(31, 38, 135, 0.35);
    transform: translateY(-3px);
    border-color: rgba(14, 165, 233, 0.3);
}

.post-card.top {
    border-left: 4px solid var(--warning);
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.post-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    line-height: 1.4;
    display: block;
    margin-bottom: var(--spacing-sm);
}

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

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 12px;
    color: var(--text-light);
    flex-wrap: wrap;
}

.post-meta a {
    color: var(--primary-light);
    text-decoration: none;
}

.post-meta a:hover {
    text-decoration: underline;
}

.post-excerpt {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.post-stats {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 12px;
    color: var(--text-muted);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px 10px;
    background: rgba(14, 165, 233, 0.15);
    border: 1px solid rgba(14, 165, 233, 0.3);
    border-radius: 16px;
    font-size: 11px;
    color: var(--primary-light);
    margin-bottom: var(--spacing-sm);
}

.category-list {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.category-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.2s ease;
}

.category-item:hover,
.category-item.active {
    background: rgba(14, 165, 233, 0.15);
    color: var(--text);
}

.category-icon {
    font-size: 15px;
}

.category-name {
    font-size: 13px;
}

.category-count {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 6px;
    border-radius: 8px;
}

.hot-list {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.hot-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-light);
    font-size: 13px;
    transition: all 0.2s ease;
}

.hot-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
}

.hot-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hot-comments {
    margin-left: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 11px;
}

.quick-links {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-light);
    font-size: 13px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    transition: all 0.2s ease;
}

.quick-link:hover {
    background: rgba(14, 165, 233, 0.15);
    color: var(--text);
    border-color: rgba(14, 165, 233, 0.3);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 500;
    margin-right: 5px;
    margin-bottom: 5px;
}

.badge-top {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.badge-hot {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.badge-lock {
    background: rgba(100, 116, 139, 0.15);
    color: #94a3b8;
}

.badge-category {
    background: rgba(14, 165, 233, 0.15);
    color: #38bdf8;
}

.post-badges {
    margin-bottom: var(--spacing-sm);
}

.user-level-badge {
    padding: 2px 6px;
    background: rgba(139, 92, 246, 0.15);
    color: #c084fc;
    border-radius: 4px;
    font-size: 11px;
}

.footer-content {
    text-align: center;
}

.footer-main {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.footer-info {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
}

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

.post-tags {
    margin: var(--spacing-md) 0;
}

.tag-link {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px 10px;
    background: rgba(139, 92, 246, 0.15);
    color: #c084fc;
    border-radius: 16px;
    font-size: 12px;
    text-decoration: none;
    margin-right: 5px;
    margin-bottom: 5px;
    transition: all 0.2s ease;
}

.tag-link:hover {
    background: rgba(139, 92, 246, 0.25);
    transform: translateY(-1px);
}

.online-users {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
}

.online-users h4 {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.online-user-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.online-user-item {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 4px 8px;
    background: rgba(76, 175, 80, 0.12);
    border-radius: 16px;
    font-size: 12px;
    color: var(--text-light);
}

.online-dot {
    width: 5px;
    height: 5px;
    background: #4caf50;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.share-dropdown {
    position: relative;
    display: inline-block;
}

.share-options {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(12, 20, 32, 0.95);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 100;
    margin-top: 4px;
    min-width: 100px;
}

.share-options a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 12px;
    transition: background 0.2s ease;
}

.share-options a:hover {
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-light);
}

.search-bar {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.search-bar input {
    flex: 1;
    padding: 9px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text);
}

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

.search-bar input::placeholder {
    color: var(--text-muted);
}

.filter-bar {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-bar label {
    font-size: 13px;
    color: var(--text-light);
}

.filter-bar select {
    padding: 7px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: var(--spacing-xl);
}

.pagination a,
.pagination span {
    padding: 7px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-light);
    font-size: 13px;
    transition: all 0.2s ease;
}

.pagination a:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text);
}

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

.post-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text);
    margin-bottom: var(--spacing-lg);
    white-space: pre-wrap;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.like-bar {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.like-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s ease;
}

.like-btn:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.like-btn.liked {
    background: rgba(239, 68, 68, 0.12);
    border-color: var(--danger);
    color: var(--danger);
}

.comment-section {
    margin-top: var(--spacing-xl);
}

.comment-count {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--spacing-md);
}

.comment-list {
    margin-bottom: var(--spacing-xl);
}

.comment-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--glass-border);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.comment-author {
    font-weight: 600;
    color: var(--text);
    font-size: 13px;
}

.comment-time {
    font-size: 11px;
    color: var(--text-muted);
}

.comment-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: var(--spacing-xl);
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    font-weight: 700;
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.25);
}

.profile-info h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
}

.profile-info p {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 3px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: all 0.2s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-light);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 3px;
}

.footer {
    background: rgba(12, 20, 32, 0.92);
    backdrop-filter: var(--glass-backdrop);
    border-top: 1px solid var(--glass-border);
    color: var(--text-light);
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer p {
    font-size: 13px;
    margin-bottom: 5px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    font-size: 12px;
    margin-top: var(--spacing-md);
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.donation-section {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(139, 92, 246, 0.12));
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid rgba(14, 165, 233, 0.25);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.donation-section h2 {
    font-size: 19px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--spacing-sm);
}

.donation-section p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.donation-qr {
    display: inline-block;
    background: white;
    padding: 12px;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.donation-qr img {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-sm);
}

.donation-hint {
    font-size: 13px;
    color: var(--primary-light);
    margin-top: var(--spacing-md);
}

.thanks-section {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.thanks-section h2 {
    font-size: 19px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.thanks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.thanks-card {
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.2s ease;
}

.thanks-card:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-2px);
}

.thanks-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 5px;
}

.thanks-amount {
    font-size: 17px;
    font-weight: 700;
    color: var(--warning);
    margin-bottom: 5px;
}

.thanks-date {
    font-size: 12px;
    color: var(--text-muted);
}

.thanks-total {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.thanks-total span {
    font-size: 24px;
    font-weight: 700;
    color: var(--warning);
}

@media (max-width: 1024px) {
    .main-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .sidebar-section {
        width: 100%;
        order: 2;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .main-section {
        order: 1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sidebar-section .card {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 var(--spacing-sm);
    }
    
    .header-content {
        gap: var(--spacing-sm);
    }
    
    .header-nav {
        display: none;
    }
    
    .header-right {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-menu.active {
        display: block;
    }
    
    .main-content {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .card-header {
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-sm);
    }
    
    .card-title {
        font-size: 16px;
    }
    
    .post-card {
        padding: var(--spacing-md);
    }
    
    .post-title {
        font-size: 15px;
    }
    
    .post-meta {
        gap: var(--spacing-sm);
    }
    
    .post-excerpt {
        font-size: 13px;
    }
    
    .sidebar-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .category-item {
        padding: 8px 10px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .stat-item {
        padding: var(--spacing-md);
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .profile-header {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
    
    .profile-info h2 {
        font-size: 20px;
        text-align: center;
    }
    
    .profile-info p {
        text-align: center;
    }
    
    .search-bar {
        flex-direction: column;
    }
    
    .captcha-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .captcha-img {
        margin-top: var(--spacing-sm);
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .footer {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .pagination a,
    .pagination span {
        padding: 5px 10px;
        font-size: 12px;
    }
    
    .action-item {
        width: 34px;
        height: 34px;
        font-size: 15px;
    }
    
    .donation-qr img {
        width: 160px;
        height: 160px;
    }
    
    .thanks-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .logo img {
        width: 26px;
        height: 26px;
    }
    
    .logo {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0 var(--spacing-sm);
    }
    
    .logo {
        font-size: 15px;
    }
    
    .logo img {
        width: 22px;
        height: 22px;
    }
    
    .main-content {
        padding: var(--spacing-sm);
    }
    
    .card {
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
    }
    
    .post-card {
        padding: var(--spacing-sm);
        border-radius: var(--radius-sm);
    }
    
    .post-title {
        font-size: 14px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat-item {
        padding: var(--spacing-md);
    }
    
    .stat-value {
        font-size: 22px;
    }
    
    .avatar {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .btn {
        padding: 7px 14px;
        font-size: 13px;
    }
    
    .donation-qr img {
        width: 130px;
        height: 130px;
    }
    
    .donation-qr {
        padding: 8px;
    }
    
    .thanks-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .thanks-card {
        padding: var(--spacing-md);
    }
    
    .thanks-amount {
        font-size: 15px;
    }
}