/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e40af;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.lang-btn {
    background: var(--bg-white);
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--primary-color);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 999;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-cn {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo-en {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.2;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(30, 64, 175, 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
}

.hero-content {
    color: white;
    max-width: 800px;
    padding: 0 2rem;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    margin-bottom: 2rem;
}

.title-main {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.9;
    line-height: 1.3;
}

.hero-slogan {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.hero-slogan-en {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 3rem;
}

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

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    display: inline-block;
}

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

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

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid white;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 400;
}

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

.company-video-section {
    margin-bottom: 4rem;
    text-align: center;
}

.video-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto 2rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.company-video {
    width: 100%;
    height: auto;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    cursor: pointer;
}

.video-container:hover .video-overlay {
    opacity: 1;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.play-button:hover {
    transform: scale(1.1);
    background: white;
}

.video-description h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.video-description p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    width: 20px;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow);
}











.timeline {
  position: relative;
  max-width: 1200px;
  margin: 40px auto;
  padding: 20px 0;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 4px;
  background: linear-gradient(to bottom, #005b96, #03396c);
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-item {
  padding: 20px 40px;
  position: relative;
  width: 50%;
  box-sizing: border-box;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}
/* 添加这个新类：当元素可见时应用 */
.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}
.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: #0077b6;
  border: 4px solid #fff;
  top: 30px;
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.timeline-item:nth-child(odd)::after {
  right: -10px;
}

.timeline-item:nth-child(even)::after {
  left: -10px;
}

.timeline-content {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  border-left: 4px solid #0077b6;
}

.timeline-year {
  font-size: 1.2em;
  font-weight: bold;
  color: #005b96;
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 1.1em;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 0.95em;
  color: #555;
  line-height: 1.5;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .timeline::after {
    left: 30px;
  }
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 20px;
  }
  .timeline-item:nth-child(even) {
    left: 0;
  }
  .timeline-item::after {
    left: 16px;
  }
}











/* Experts */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.expert-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.expert-avatar {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 2rem;
}

.expert-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 保持图片比例并填满容器 */
}

.expert-card h4 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.expert-card p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}











/* 研发能力整体样式 */
.capabilities-section {
    padding: 60px 0;
    background-color: #f8f9fa;
    width: 100%;
    box-sizing: border-box;
}

.capabilities-section .subsection-title {
    color: #000; /* 文字颜色改为黑色 */
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: 600;
}

.capabilities-section p {
    color: #000; /* 描述文字颜色改为黑色 */
    line-height: 1.7;
    font-size: 1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

/* 新增：研发能力图片区块 */
.rd-image-block {
    text-align: center;
    margin-bottom: 40px;
}

.rd-image-block img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 新增：专利介绍区块 */
.patent-block {
    display: flex;
    align-items: center;
    width: 100%;
    margin: 0 auto 50px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.patent-content {
    display: flex;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.patent-left {
    flex: 0 0 40%;
    padding: 40px;
    text-align: center;
}

.patent-left img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.patent-right {
    flex: 0 0 60%;
    padding: 40px;
    text-align: left;
}

.patent-right h4 {
    color: #000;
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.patent-right ul {
    list-style-type: disc;
    color: #000;
    margin-bottom: 20px;
}

.patent-right p {
    color: #000;
    line-height: 1.7;
    font-size: 1rem;
}

/* 响应式：手机端垂直排列 */
@media (max-width: 768px) {
    .patent-block {
        flex-direction: column;
    }

    .patent-content {
        flex-direction: column;
    }

    .patent-left,
    .patent-right {
        flex: none;
        width: 100%;
        padding: 30px;
    }

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






/* 制造能力整体样式 */
.manufacturing-section {
    padding: 60px 0;
    background-color: #f8f9fa;
    width: 100%;
    box-sizing: border-box;
}

.manufacturing-section .subsection-title {
    color: #000; /* 文字颜色改为黑色 */
    text-align: center;
    margin-bottom: 60px;
    font-size: 1.8rem;
    font-weight: 600;
}

/* 🔥 能力区块：全宽，与 section 一致 */
.capability-block {
    display: flex;
    align-items: center;
    width: 100%; /* ✅ 全宽 */
    margin: 0 0 50px; /* 无左右 margin */
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* 文字区域：20% 宽度 */
.capability-content {
    flex: 0 0 30%; /* ✅ 2:8 中的 2 */
    padding: 40px;
    text-align: left;
}

.capability-content .capability-icon {
    font-size: 2.4rem;
    color: #d40000;
    margin-bottom: 16px;
}

.capability-content h4 {
    color: #333;
    margin: 0 0 14px;
    font-size: 1.4rem;
}

.capability-content p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

/* 图片区域：80% 宽度，高度适中，确保完整显示 */
.capability-image {
    flex: 0 0 70%; /* ✅ 2:8 中的 8 */
    height: 400px; /* ✅ 降低高度，避免过高；可调 300~340px */
    overflow: hidden;
    border-left: 1px solid #eee;
    background-color: #ffffff; /* ✅ 浅灰背景，防止白图看不清 */
}

.capability-image img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* ✅ 关键：完整显示图片，不裁剪 */
    object-position: center; /* 居中对齐 */
    transition: transform 0.4s ease;
}

/* 悬停效果：轻微放大（但不会超出） */
.capability-block:hover .capability-image img {
    transform: scale(1.02);
}

/* 响应式：手机端垂直排列 */
@media (max-width: 768px) {
    .capability-block {
        flex-direction: column;
    }

    .capability-content {
        flex: none;
        width: 100%;
        padding: 30px;
    }

    .capability-image {
        flex: none;
        width: 100%;
        height: 240px; /* 手机端高度 */
        border-left: none;
        border-top: 1px solid #eee;
    }
}

 







/* Certifications */
.certifications-logos {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.cert-logo {
    background: white;
    padding: 1rem 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    font-weight: 600;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

/* Products Section */
.products {
    background: white;
}

.product-category {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    width: 100%;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--bg-light);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.product-image {
    height: 200px;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}
/* 新增：图片容器样式 */
.product-image-container {
    width: 100%; /* 与产品卡片同宽 */
    display: flex;
    justify-content: center; /* 水平居中 */
}
 
.product-image-container img {
    max-width: 100%; /* 图片最大宽度不超过容器 */
    height: auto; /* 保持图片比例 */
    border-radius: 8px; /* 可选：圆角 */
    object-fit: contain; /* 确保图片完整显示 */
}
 
.product-content {
    padding: 1.5rem;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.product-application {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.product-dimension {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
}

/* News Section */
.news {
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.news-image {
    height: 200px;
    overflow: hidden;
}

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

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

.news-content {
    padding: 1.5rem;
}

.news-content h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.news-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.news-date {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Customers Section */
.customers {
    background: white;
    padding: 60px 0;
}

.customers-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    align-items: center;
}

.customer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 15px;
    transition: var(--transition);
    height: 120px;
}

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

.customer-logo img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
      /* 默认：彩色 */
    filter: grayscale(0%) brightness(100%);
    transition: var(--transition);
}

.customer-logo:hover img {
    filter: grayscale(0%);
}









/* Contact Section */
.contact {
    background: var(--bg-light);
    padding: 4rem 0;
}

/* 联系信息左右布局 */
.contact-content {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    flex: 1;
    min-width: 280px;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.8rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: left;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.6rem;
    margin-top: 0.3rem;
}

.contact-item h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

/* 底部标语 */
.contact-slogan {
    text-align: center;
    padding: 3rem 0;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    max-width: 100%;
    margin: 0 auto;
}

.contact-slogan h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-slogan p {
    font-size: 1.2rem;
    color: var(--text-light);
}

/* 响应式：小屏幕堆叠 */
@media (max-width: 768px) {
    .contact-content {
        flex-direction: column;
        align-items: center;
    }

    .contact-item {
        width: 100%;
        max-width: 400px;
    }
}


















/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo .logo-cn {
    color: white;
    font-size: 1.2rem;
}

.footer-logo .logo-en {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Language Switching */
.lang-hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .logo-text {
        display: none;
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .title-sub {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 3rem !important;
        padding-right: 0 !important;
    }
    
    .timeline-item .timeline-content::after {
        left: -10px !important;
        right: auto !important;
        border-right-color: white !important;
        border-left-color: transparent !important;
    }
    
    .customers-logos {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .experts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 1rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}