/* ========================================
   节点云计算科技 - 现代企业官网样式
   Web3.0 · AI · 区块链
======================================== */

:root {
    /* 主色调 */
    --primary: #165DFF;
    --primary-dark: #0747CC;
    --gold: #FFB800;
    --purple: #722ED1;
    
    /* 中性色 */
    --dark: #1D2129;
    --gray-900: #4E5969;
    --gray-600: #86909C;
    --gray-300: #C9CDD4;
    --gray-100: #F2F3F5;
    --white: #FFFFFF;
    
    /* 字体 */
    --font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 过渡 */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* ========== 按钮 ========== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-lg), 0 4px 14px rgba(22, 93, 255, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), 0 8px 20px rgba(22, 93, 255, 0.5);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--white);
    color: var(--dark);
    font-weight: 600;
    font-size: 14px;
    border-radius: 12px;
    border: 1px solid var(--gray-300);
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover {
    background: var(--gray-100);
    border-color: var(--gray-600);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-100);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

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

.logo-img {
    height: 48px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-900);
    transition: var(--transition);
    position: relative;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

.nav-cta .btn-primary {
    padding: 10px 20px;
    border-radius: 50px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* ========== Hero 区域 ========== */
.hero {
    min-height: auto;
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}

.hero-gradient.g1 {
    top: 50px;
    left: 20px;
    width: 300px;
    height: 300px;
    background: rgba(22, 93, 255, 0.1);
    animation: pulse 8s ease-in-out infinite;
}

.hero-gradient.g2 {
    top: 100px;
    right: 20px;
    width: 300px;
    height: 300px;
    background: rgba(114, 46, 209, 0.1);
    animation: pulse 8s ease-in-out infinite 2s;
}

.hero-grid {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: radial-gradient(var(--primary) 1px, transparent 1px);
    background-size: 40px 40px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(22, 93, 255, 0.08);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    border: 1px solid rgba(22, 93, 255, 0.2);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero-title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--gray-900);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-100);
}

.stat-item {
    text-align: left;
}

.stat-num {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-300);
}

/* Hero 视觉卡片 */
.hero-visual {
    position: relative;
}

.visual-card {
    background: rgba(255, 255, 255, 0.8);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow-2xl);
}

.card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.card-item {
    padding: 24px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-100);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.card-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.card-item.gold svg { color: var(--gold); }
.card-item.purple svg { color: var(--purple); }
.card-item.blue svg { color: var(--primary); }

.card-item span {
    font-weight: 600;
    font-size: 14px;
}

.card-item.full {
    grid-column: span 2;
    flex-direction: row;
    justify-content: space-between;
    background: rgba(22, 93, 255, 0.05);
    border-color: rgba(22, 93, 255, 0.2);
}

.status-icon {
    width: 48px;
    height: 48px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.status-info {
    flex: 1;
    margin-left: 16px;
}

.status-title {
    font-weight: 700;
    font-size: 15px;
}

.status-badge {
    font-size: 12px;
    color: #00B42A;
    font-weight: 600;
}

.status-bars {
    display: flex;
    gap: 4px;
}

.status-bars span {
    width: 6px;
    height: 24px;
    background: var(--primary);
    border-radius: 3px;
    animation: bounce 1s ease-in-out infinite;
}

.status-bars span:nth-child(2) { animation-delay: 0.1s; }
.status-bars span:nth-child(3) { animation-delay: 0.2s; }
.status-bars span:nth-child(4) { animation-delay: 0.3s; }
.status-bars span:nth-child(5) { animation-delay: 0.4s; }

/* ========== 通用区块样式 ========== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin-bottom: 16px;
}

.section-title.text-left {
    text-align: left;
}

.section-desc {
    font-size: 16px;
    color: var(--gray-600);
    max-width: 640px;
    margin: 0 auto;
}

.section-desc.text-left {
    text-align: left;
    margin: 0;
}

/* ========== 核心业务 ========== */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    padding: 40px 32px;
    background: var(--gray-100);
    border-radius: 24px;
    border: 1px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    background: var(--white);
    border-color: var(--gray-100);
    box-shadow: var(--shadow-2xl);
    transform: translateY(-8px);
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.service-card[data-color="gold"] .service-icon {
    background: rgba(255, 184, 0, 0.15);
    color: var(--gold);
}

.service-card[data-color="purple"] .service-icon {
    background: rgba(114, 46, 209, 0.15);
    color: var(--purple);
}

.service-card[data-color="blue"] .service-icon {
    background: rgba(22, 93, 255, 0.15);
    color: var(--primary);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    transition: var(--transition);
}

.service-card:hover h3 {
    color: var(--primary);
}

.service-card p {
    font-size: 15px;
    color: var(--gray-900);
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.service-link:hover {
    gap: 10px;
}

/* ========== 产品矩阵 ========== */
.products {
    background: var(--gray-100);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.product-card {
    padding: 32px 20px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-100);
    text-align: center;
    transition: var(--transition);
}

.product-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.product-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.product-card h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
}

.product-card p {
    font-size: 13px;
    color: var(--gray-600);
}

/* ========== 为什么选择我们 ========== */
.why-us {
    background: var(--white);
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-features {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.feature-icon.gold { color: var(--gold); }
.feature-icon.purple { color: var(--purple); }
.feature-icon.blue { color: var(--primary); }

.feature-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 15px;
    color: var(--gray-900);
    line-height: 1.7;
}

.why-visual {
    position: relative;
}

.visual-wrapper {
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-2xl);
}

.why-image {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 10px 40px rgba(22, 93, 255, 0.5);
}

.play-btn:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

/* ========== 数据统计 ========== */
.stats {
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    padding: 80px 0;
}

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

.stat-card {
    text-align: center;
    color: var(--white);
}

.stat-card .stat-number {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    display: inline;
}

.stat-card .stat-unit {
    font-size: 32px;
    font-weight: 600;
}

.stat-card .stat-text {
    font-size: 16px;
    opacity: 0.9;
    margin-top: 8px;
}

/* ========== 考试认证 ========== */
.exams {
    background: var(--gray-100);
}

.exams-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.exam-card {
    padding: 40px;
    background: var(--white);
    border-radius: 24px;
    border: 1px solid var(--gray-100);
    position: relative;
    transition: var(--transition);
}

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

.exam-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 6px 14px;
    background: var(--gold);
    color: var(--dark);
    font-size: 12px;
    font-weight: 700;
    border-radius: 50px;
}

.exam-badge.purple {
    background: var(--purple);
    color: var(--white);
}

.exam-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.exam-card > p {
    font-size: 15px;
    color: var(--gray-900);
    line-height: 1.7;
    margin-bottom: 24px;
}

.exam-features {
    list-style: none;
    margin-bottom: 32px;
}

.exam-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 8px;
}

.exam-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
}

/* ========== 荣誉资质 ========== */
.honors {
    background: var(--white);
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.honor-card {
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-100);
    overflow: hidden;
    transition: var(--transition);
}

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

.honor-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.honor-info {
    padding: 20px;
}

.honor-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.honor-info p {
    font-size: 13px;
    color: var(--gray-600);
}

@media (max-width: 1024px) {
    .honors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .honors-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 新闻资讯 ========== */
.news {
    background: var(--gray-100);
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.news-card {
    padding: 32px;
    background: var(--white);
    border-radius: 20px;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
}

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

.news-card.featured {
    grid-row: span 2;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.05) 0%, rgba(114, 46, 209, 0.05) 100%);
}

.news-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    border-radius: 50px;
}

.news-card time {
    font-size: 13px;
    color: var(--gray-600);
    display: block;
    margin-bottom: 12px;
}

.news-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-card.featured h3 {
    font-size: 28px;
}

.news-card p {
    font-size: 15px;
    color: var(--gray-900);
    line-height: 1.7;
    margin-bottom: 20px;
}

.news-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

/* ========== FAQ ========== */
.faq {
    background: var(--white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    background: var(--gray-100);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    cursor: pointer;
}

.faq-num {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    min-width: 28px;
}

.faq-question h4 {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
}

.faq-toggle {
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 24px 68px;
    font-size: 15px;
    color: var(--gray-900);
    line-height: 1.7;
}

/* ========== 联系我们 ========== */
.contact {
    background: var(--gray-100);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.info-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-100);
}

.info-icon {
    width: 48px;
    height: 48px;
    background: rgba(22, 93, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.info-item h5 {
    font-size: 13px;
    color: var(--gray-600);
    font-weight: 500;
    margin-bottom: 4px;
}

.info-item p {
    font-size: 16px;
    font-weight: 600;
}

.location-map {
    margin-top: 24px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow-md);
}

.map-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.location-map:hover .map-image {
    transform: scale(1.02);
}

.contact-form-wrapper {
    padding: 40px;
    background: var(--white);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    font-size: 15px;
    font-family: inherit;
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    transition: var(--transition);
    resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
}

/* ========== 页脚 ========== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 56px;
    margin-bottom: 20px;
    background: var(--white);
    padding: 8px 16px;
    border-radius: 12px;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 32px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

/* ========== 动画 ========== */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes bounce {
    0%, 100% { transform: scaleY(0.6); }
    50% { transform: scaleY(1); }
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .why-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .exams-content {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card.featured {
        grid-row: auto;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}