/* 四虎影院 - 原创样式表 */
/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF6B9D;
    --secondary-color: #FF8A65;
    --accent-color: #E91E63;
    --dark-bg: #1a1a2e;
    --light-bg: #f8f9fa;
    --text-dark: #2d3436;
    --text-light: #636e72;
    --gradient-pink: linear-gradient(135deg, #FF6B9D 0%, #FF8A65 100%);
    --shadow-soft: 0 4px 20px rgba(255, 107, 157, 0.15);
    --shadow-hover: 0 8px 30px rgba(255, 107, 157, 0.25);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
}

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航样式 */
.header {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #16213e 100%);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-menu li a {
    display: block;
    padding: 10px 20px;
    color: #fff;
    font-weight: 500;
    border-radius: 25px;
    transition: var(--transition);
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: var(--gradient-pink);
    transform: translateY(-2px);
}

/* 搜索框样式 */
.search-bar {
    background: rgba(255, 255, 255, 0.05);
    padding: 12px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.search-container {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.search-input {
    width: 100%;
    max-width: 500px;
    padding: 12px 20px;
    border: 2px solid rgba(255, 107, 157, 0.3);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-input:focus {
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
}

.search-btn {
    padding: 12px 30px;
    background: var(--gradient-pink);
    border: none;
    border-radius: 30px;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

/* Banner轮播样式 */
.hero-banner {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.banner-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(26, 26, 46, 0.9) 0%, rgba(26, 26, 46, 0.3) 100%);
    display: flex;
    align-items: center;
}

.banner-content {
    max-width: 600px;
    padding: 0 60px;
    color: #fff;
}

.banner-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.banner-content h1 span {
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    padding: 15px 40px;
    background: var(--gradient-pink);
    color: #fff;
    font-weight: 600;
    border-radius: 30px;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* 视频卡片样式 */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-header h2 span {
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.video-card {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.08);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 60px;
    height: 60px;
    background: var(--gradient-pink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    opacity: 0;
}

.play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 18px solid #fff;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 4px;
}

.video-card:hover .play-btn {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
}

.video-info {
    padding: 18px;
}

.video-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-light);
}

.video-stats {
    display: flex;
    gap: 15px;
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 直播区域样式 */
.live-section {
    background: var(--dark-bg);
    color: #fff;
}

.live-section .section-header h2,
.live-section .section-header p {
    color: #fff;
}

.live-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.live-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 3/4;
}

.live-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.live-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #ff4757;
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.live-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
}

.live-info h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.live-viewers {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 专家展示样式 */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.expert-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.expert-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.expert-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    overflow: hidden;
    border: 4px solid var(--primary-color);
}

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

.expert-card h4 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.expert-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.expert-desc {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.expert-credentials {
    font-size: 0.85rem;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 500;
}

/* 统计数据样式 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    background: #fff;
    padding: 30px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

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

/* 工具卡片样式 */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.tool-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.tool-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.tool-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

.video-info h5 {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.btn-outline {
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 25px;
    font-weight: 500;
    transition: var(--transition);
}

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

/* 合作伙伴样式 */
.partners-section {
    background: #fff;
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.partners-logos img {
    max-height: 60px;
    opacity: 0.7;
    transition: var(--transition);
    filter: grayscale(100%);
}

.partners-logos img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* 用户评价样式 */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow-soft);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1.2rem;
}

.review-user h5 {
    font-size: 1rem;
    margin-bottom: 3px;
}

.review-stars {
    color: #ffc107;
    font-size: 0.9rem;
}

.review-text {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* 联系我们样式 */
.contact-section {
    background: var(--dark-bg);
    color: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.contact-item {
    text-align: center;
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-pink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.contact-item p {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* FAQ样式 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.faq-question {
    padding: 20px 25px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(255, 107, 157, 0.05);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 25px 20px;
    max-height: 200px;
}

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

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #0f0f23 0%, var(--dark-bg) 100%);
    color: #fff;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 0.95rem;
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-qrcodes {
    display: flex;
    gap: 20px;
}

.qrcode-item {
    text-align: center;
}

.qrcode-item img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.qrcode-item span {
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--gradient-pink);
    border-radius: 2px;
}

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

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

.footer-links ul li a {
    font-size: 0.95rem;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.social-share {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.9rem;
    transition: var(--transition);
}

.share-btn:hover {
    background: var(--gradient-pink);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    background: #fff;
    border-bottom: 1px solid #eee;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    font-size: 0.9rem;
}

.breadcrumb-list li::after {
    content: '/';
    margin-left: 10px;
    color: var(--text-light);
}

.breadcrumb-list li:last-child::after {
    display: none;
}

.breadcrumb-list a {
    color: var(--text-light);
}

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

.breadcrumb-list li:last-child {
    color: var(--primary-color);
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .live-grid,
    .expert-grid,
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .banner-content h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .hero-banner {
        height: 400px;
    }
    
    .banner-content {
        padding: 0 30px;
    }
    
    .banner-content h1 {
        font-size: 1.8rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .video-grid,
    .live-grid,
    .expert-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-qrcodes {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* 懒加载占位 */
.lazy-load {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 页面特定样式 */
.page-header {
    background: var(--dark-bg);
    padding: 60px 0;
    text-align: center;
    color: #fff;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

/* 内容区域 */
.content-section {
    padding: 60px 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 40px;
}

.sidebar {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow-soft);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.sidebar-list {
    list-style: none;
}

.sidebar-list li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

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

.sidebar-list a {
    color: var(--text-light);
    display: flex;
    justify-content: space-between;
}

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

/* 工具卡片 */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tool-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.tool-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-pink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.tool-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.tool-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

/* 社区帖子 */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.post-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.post-card:hover {
    box-shadow: var(--shadow-hover);
}

.post-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.post-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--gradient-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
}

.post-user h5 {
    font-size: 1rem;
    margin-bottom: 3px;
}

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

.post-content {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.post-actions {
    display: flex;
    gap: 20px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.post-action {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-light);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

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

/* 关于我们页面 */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-pink);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-top: 10px;
}

@media (max-width: 768px) {
    .about-intro {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tool-grid {
        grid-template-columns: 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
}