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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

/* 导航栏样式 */
.navbar {
    background-color: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo img {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: #666;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
    white-space: nowrap;
    padding: 8px 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #00A0E9;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #00A0E9;
}

/* 轮播图样式 */
.carousel-section {
    width: 100%;
    background-color: #000;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 900px;
    overflow: hidden;
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

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

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

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.indicator.active {
    background-color: #00A0E9;
    width: 30px;
    border-radius: 6px;
}

/* 轮播控制按钮 */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    font-size: 48px;
    width: 60px;
    height: 60px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.carousel-control:hover {
    background-color: rgba(0, 160, 233, 0.8);
}

.carousel-control.prev {
    left: 20px;
}

.carousel-control.next {
    right: 20px;
}

/* 企业介绍区域 */
.company-intro {
    padding: 80px 0;
    background-color: #fff;
}

.intro-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-title {
    font-size: 36px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #00A0E9;
    margin: 20px auto 0;
}

.intro-content {
    text-align: center;
    max-width: 1000px;
    margin: 40px auto 60px;
    word-break: keep-all;
    overflow-wrap: normal;
}

.intro-content p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 15px;
    word-break: normal;
    word-wrap: break-word;
    white-space: normal;
}

/* 特色网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.feature-item {
    text-align: center;
    padding: 40px 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.feature-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 产品展示区域 */
.product-gallery {
    background-color: #fff;
    padding: 0;
}

.product-container {
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.product-image {
    width: 100%;
    height: auto;
    display: block;
}

/* 页面Hero区域 */
.page-hero {
    position: relative;
    height: 100vh;
    background: url('img/背景1.jpg') center center / cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 1;
}

.hero-overlay {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.hero-overlay h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.hero-overlay p {
    font-size: 20px;
    opacity: 0.95;
    letter-spacing: 2px;
}

/* 主打产品展示 */
.featured-product {
    padding: 0;
    background-color: #fff;
}

.featured-container {
    width: 100%;
    margin: 0;
    padding: 0;
    display: block;
}

.featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.featured-info h2 {
    font-size: 32px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.product-desc {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 30px;
}

.product-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: #555;
}

.highlight-icon {
    color: #00A0E9;
    font-weight: bold;
    font-size: 18px;
}

/* 产品参数 */
.product-specs {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.specs-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.specs-image-wrapper {
    margin-top: 40px;
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.specs-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* 应用场景展示 */
.application-scenarios {
    padding: 80px 0;
    background-color: #fff;
}

.scenarios-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-top: 10px;
    margin-bottom: 50px;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.scenario-card {
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.scenario-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.scenario-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.scenario-info {
    padding: 25px;
}

.scenario-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.scenario-info p {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

/* 区域介绍标题 */
.section-intro {
    text-align: center;
    margin-bottom: 60px;
}

.section-intro h2 {
    font-size: 42px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-intro p {
    font-size: 18px;
    color: #666;
}

/* 主打产品展示区 */
.main-product-section {
    padding: 80px 0;
    background-color: #fff;
}

.product-showcase {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.showcase-left,
.showcase-right {
    position: relative;
}

.showcase-left img,
.showcase-right img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.showcase-left img:hover,
.showcase-right img:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.18);
}

.showcase-desc {
    margin-top: 25px;
    padding: 0 10px;
}

.showcase-desc h3 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.showcase-desc p {
    font-size: 15px;
    line-height: 1.8;
    color: #666;
}

/* 产品详情区 */
.product-details-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f9f9f9 0%, #fff 100%);
}

.details-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.detail-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.detail-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.15);
}

.detail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    padding: 30px;
    color: white;
    transform: translateY(60%);
    transition: transform 0.3s ease;
}

.detail-card:hover .card-overlay {
    transform: translateY(0);
}

.card-overlay h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-overlay p {
    font-size: 14px;
    opacity: 0.9;
}

/* 技术参数展示 */
.tech-specs-section {
    padding: 80px 0;
    background-color: #fff;
}

.specs-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.specs-full-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

/* 应用案例网格 */
.cases-grid-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f9f9f9 0%, #fff 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 18px;
    color: #666;
}

.cases-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.case-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.case-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.15);
}

.case-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.case-item:hover .case-img {
    transform: scale(1.05);
}

.case-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,160,233,0.95) 0%, transparent 100%);
    padding: 30px;
    color: white;
    transform: translateY(70%);
    transition: transform 0.3s ease;
}

.case-item:hover .case-info {
    transform: translateY(0);
}

.case-info h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
}

.case-info p {
    font-size: 14px;
    opacity: 0.95;
}

/* 联系我们页面样式 */
.contact-hero {
    background: url('img/背景2.jpg') center center / cover no-repeat;
}

.contact-hero::before {
    background: rgba(0, 0, 0, 0.4);
}

.contact-main-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f9f9f9 0%, #fff 50%, #f9f9f9 100%);
}

.contact-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: center;
    align-items: start;
}

.contact-info-side {
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 1200px;
}

.info-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.company-slogan {
    font-size: 16px;
    color: #00A0E9;
    margin-bottom: 40px;
    font-weight: 500;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 35px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00A0E9 0%, #0077B5 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.contact-text p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

.phone-number {
    font-size: 24px !important;
    font-weight: 700;
    color: #00A0E9 !important;
    margin-bottom: 5px !important;
}

.contact-person {
    font-size: 14px !important;
    color: #999 !important;
}

.business-scope {
    padding-top: 30px;
    border-top: 2px solid #f0f0f0;
}

.business-scope h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.scope-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.scope-tag {
    padding: 10px 20px;
    background: linear-gradient(135deg, #e3f5ff 0%, #d0edff 100%);
    color: #0077B5;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.scope-tag:hover {
    background: linear-gradient(135deg, #00A0E9 0%, #0077B5 100%);
    color: white;
    transform: translateY(-2px);
}

.contact-card-side {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.card-container {
    position: relative;
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.contact-card-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    position: relative;
    z-index: 1;
}

.card-decoration {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #00A0E9 0%, #0077B5 100%);
    border-radius: 20px;
    opacity: 0.1;
    z-index: 0;
}

.quick-contact {
    background: linear-gradient(135deg, #00A0E9 0%, #0077B5 100%);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    color: white;
}

.quick-contact h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.quick-contact p {
    font-size: 15px;
    opacity: 0.95;
    margin-bottom: 25px;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: white;
    color: #00A0E9;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-btn svg {
    width: 20px;
    height: 20px;
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 在线留言区域 */
.message-section {
    padding: 80px 0;
    background: white;
}

.message-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
}

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

.message-container .section-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.message-container .section-header p {
    font-size: 16px;
    color: #666;
}

.contact-form {
    background: #f9f9f9;
    padding: 50px;
    border-radius: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    margin-bottom: 25px;
}

.form-group label {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00A0E9;
    box-shadow: 0 0 0 3px rgba(0, 160, 233, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #00A0E9 0%, #0077B5 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 160, 233, 0.3);
}

/* 服务优势区域 */
.service-advantages {
    padding: 80px 0;
    background: linear-gradient(180deg, #f9f9f9 0%, #fff 100%);
}

.advantages-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.advantages-container h2 {
    font-size: 42px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 60px;
}

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

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #e3f5ff 0%, #d0edff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00A0E9;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    background: linear-gradient(135deg, #00A0E9 0%, #0077B5 100%);
    color: white;
}

.advantage-icon svg {
    width: 35px;
    height: 35px;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.advantage-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

/* 联系页面响应式 */
@media (max-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contact-info-side {
        padding: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 30px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .info-header h2 {
        font-size: 24px;
    }
    
    .phone-number {
        font-size: 20px !important;
    }
}

/* 页脚样式 */
.footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

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

.footer-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #00A0E9;
}

.footer-section p {
    font-size: 14px;
    line-height: 1.6;
    color: #bdc3c7;
}

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

.footer-section ul li {
    margin-bottom: 10px;
    font-size: 14px;
    color: #bdc3c7;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #00A0E9;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #00A0E9;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: #95a5a6;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        gap: 20px;
        padding: 0 20px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    
    .carousel-container {
        height: 50vh;
    }
    
    .carousel-control {
        width: 40px;
        height: 40px;
        font-size: 32px;
    }
    
    .carousel-control.prev {
        left: 10px;
    }
    
    .carousel-control.next {
        right: 10px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .company-intro {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    /* 产品案例页面响应式 */
    .header-content h1 {
        font-size: 32px;
    }
    
    .header-content p {
        font-size: 16px;
    }
    
    .featured-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .featured-info h2 {
        font-size: 26px;
    }
    
    .product-highlights {
        grid-template-columns: 1fr;
    }
    
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header,
    .featured-product,
    .product-specs,
    .application-scenarios,
    .success-cases {
        padding: 50px 0;
    }
    
    .product-showcase,
    .details-container,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-card.large {
        grid-row: span 1;
    }
    
    .case-item.featured {
        grid-row: span 1;
    }
    
    .hero-overlay h1 {
        font-size: 36px;
    }
    
    .hero-overlay p {
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .nav-link {
        font-size: 14px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
}