/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 0.67rem 0;
}

.nav {
    margin-left: auto;
    display: flex;
    align-items: center;
}

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

.logo h1 {
    font-size: 1.5rem;
    color: #0056b3;
    font-weight: bold;
    margin: 0;
}

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

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-left: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: #0056b3;
}

.nav-right {
    display: flex;
    align-items: center;
    margin-left: 2rem;
}

.search-btn, .lang-btn {
    background: none;
    border: none;
    color: #333;
    font-size: 1rem;
    cursor: pointer;
    margin-left: 1rem;
    transition: color 0.3s ease;
}

.search-btn:hover, .lang-btn:hover {
    color: #0056b3;
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 2rem;
    height: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: #333;
    transition: all 0.3s ease;
}

/* 首屏横幅 */
.banner {
    position: relative;
    height: 100vh;
    overflow: hidden;
    margin-top: 80px;
}

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

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

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out, transform 1s ease-in-out;
    transform: scale(1.1);
}

.carousel-item.active {
    opacity: 1;
    transform: scale(1);
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 6s ease-out;
}

.carousel-item.active img {
    transform: scale(1.05);
}

/* 第一张轮播图特有的缩放动画（镜头动起来） */
.carousel-item:first-child .carousel-zoom-wrapper {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-item:first-child.active .carousel-zoom-wrapper img {
    animation: zoomInOut 15s ease-in-out infinite;
}

@keyframes zoomInOut {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* 动态数字样式 */
.dynamic-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.5s;
}

.carousel-item.active .dynamic-stats {
    opacity: 1;
    transform: translateY(0);
}

.stat-item {
    text-align: left;
    border-left: 3px solid #0056b3;
    padding-left: 1rem;
}

.stat-item .counter {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    font-family: 'Arial Black', sans-serif;
}

.stat-item .unit {
    font-size: 1.2rem;
    font-weight: 600;
    color: #00d4ff;
    margin-left: 2px;
}

.stat-item p {
    font-size: 0.9rem !important;
    margin: 0 !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #8ecae6 !important;
}

.carousel-caption {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    color: #fff;
    z-index: 10;
    max-width: 600px;
}

.carousel-caption h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: bold;
    line-height: 1.2;
}

.carousel-caption p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: none;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 20;
    transition: all 0.3s ease;
}

.carousel-control:hover {
    background: rgba(255, 255, 255, 0.2);
}

.carousel-control.prev {
    left: 2rem;
}

.carousel-control.next {
    right: 2rem;
}

.carousel-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 20;
}

.carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicators button.active {
    background: #fff;
    transform: scale(1.2);
}

/* 按钮样式 */
.btn-primary {
    display: inline-block;
    background-color: #0056b3;
    color: #fff;
    padding: 0.75rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #004494;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 86, 179, 0.3);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: #0056b3;
    padding: 0.5rem 1.5rem;
    border: 1px solid #0056b3;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #0056b3;
    color: #fff;
}

/* 通用部分样式 */
.section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.25rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.section-title p {
    font-size: 1.125rem;
    color: #666;
}

/* 公司简介 */
.about-section {
    background-color: #fff;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
    color: #666;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* 核心产品/服务展示 */
.products-section {
    background-color: #f5f5f5;
}

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

.product-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

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

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

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

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #333;
}

.product-info p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: #666;
    line-height: 1.6;
}

/* 技术优势 */
.advantages-section {
    background-color: #fff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background-color: #0056b3;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: #fff;
    font-size: 1.5rem;
}

.advantage-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #333;
}

.advantage-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

/* 成功案例 */
.cases-section {
    background-color: #f5f5f5;
}

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

.case-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

.case-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background-color: #f9f9f9;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-logo img {
    width: 70px;
    height: 70px;
    object-fit: contain;
}

.case-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #333;
    text-align: center;
}

.case-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

/* 新闻动态 */
.news-section {
    background-color: #fff;
}

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

.news-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

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

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

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

.news-content {
    padding: 1.5rem;
}

.news-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #333;
}

.news-content p {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: #666;
    line-height: 1.6;
}

.news-meta {
    font-size: 0.875rem;
    color: #999;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #fff;
}

.footer-info p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-links h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: #fff;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-social h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: #fff;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    display: inline-block;
    width: 2.5rem;
    height: 2.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
    font-size: 0.875rem;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        width: 95%;
    }
}

@media (max-width: 991px) {
    .about-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .about-text, .about-image {
        width: 100%;
    }

    .solutions-carousel-item > div {
        flex-direction: column !important;
    }

    .solutions-carousel-item img {
        height: 300px !important;
    }

    .solutions-carousel-item > div > div {
        padding: 1.5rem !important;
        width: 100% !important;
    }

    /* 成功案例页面兼容性 */
    .cases-section [style*="display: flex"] {
        flex-direction: column !important;
    }
    .cases-section [style*="display: flex"] > div {
        width: 100% !important;
        min-width: 100% !important;
        padding: 1.5rem !important;
    }
    .cases-section img {
        height: 250px !important;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .header-content {
        justify-content: space-between;
        padding: 0.5rem 0;
    }

    .logo img {
        height: 45px !important;
    }

    .nav {
        position: fixed;
        top: 60px; /* 移动端 header 较矮 */
        left: 0;
        right: 0;
        bottom: 0;
        background-color: #fff;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 2rem;
        box-shadow: none;
    }

    .nav.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin-bottom: 2rem;
    }

    .nav-item {
        margin: 1.2rem 0;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    .nav-right {
        margin-left: 0;
        margin-top: 0;
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .carousel-caption {
        left: 5% !important;
        right: 5% !important;
        max-width: 100% !important;
        text-align: center;
        top: 50% !important;
        transform: translateY(-50%) !important;
    }

    .carousel-caption h2 {
        font-size: 1.8rem !important;
        margin-bottom: 1rem !important;
    }

    .carousel-caption p {
        font-size: 1rem !important;
        margin-bottom: 1.5rem !important;
    }

    .section {
        padding: 4rem 0;
    }

    .products-grid,
    .advantages-grid,
    .cases-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .solutions-carousel-control {
        width: 32px !important;
        height: 32px !important;
        font-size: 1rem !important;
    }

    .solutions-carousel-control.prev { left: 5px !important; }
    .solutions-carousel-control.next { right: 5px !important; }
    
    /* 智能作业模块移动端优化 */
    .monitor-main {
        grid-template-columns: 1fr !important;
        min-height: auto !important;
    }
    .distance-box, .temperature-box {
        width: 100% !important;
        max-width: 100% !important;
    }
    .monitor-title h3 {
        font-size: 1.4rem !important;
    }
    .wire-distance-center span {
        font-size: 2rem !important;
    }
    .wire-distance-center::before, .wire-distance-center::after {
        width: 200px !important;
        height: 200px !important;
    }
    
    /* 通用 flex/grid 转换 */
    .section [style*="display: flex"]:not(.monitor-footer):not(.monitor-data-item):not(.footer-item) {
        flex-direction: column !important;
    }
    
    .section [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    .contact-content {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .carousel-caption h2 {
        font-size: 1.5rem !important;
    }

    .section-title h2 {
        font-size: 1.6rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }

    .solutions-carousel-item img {
        height: 200px !important;
    }

    .monitor-footer {
        padding: 1rem !important;
    }
    .footer-divider {
        display: none;
    }
}

/* 解决方案轮播图基础样式 */
.solutions-carousel-container {
    width: 100%;
}

.solutions-carousel-item h3 {
    font-size: 1.5rem;
}

/* 资质荣誉画廊响应式 */
#certifications-gallery {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)) !important;
    gap: 1rem !important;
}
@media (max-width: 480px) {
    #certifications-gallery {
        grid-template-columns: 1fr !important;
    }
}

/* 移动端菜单样式 */
.mobile-nav-toggle span.active {
    transition: all 0.3s ease;
}

.mobile-nav-toggle span:nth-child(1).active {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-nav-toggle span:nth-child(2).active {
    opacity: 0;
}

.mobile-nav-toggle span:nth-child(3).active {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 产品详情页样式 */
.product-detail {
    padding: 8rem 0 4rem;
    background-color: #fff;
}

.product-detail-content {
    display: flex;
    gap: 4rem;
}

.product-detail-images {
    flex: 1;
}

.product-detail-info {
    flex: 1;
}

.product-detail-images img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.product-detail-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

.product-detail-info .product-meta {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eaeaea;
}

.product-detail-info .product-meta p {
    margin-bottom: 0.5rem;
    color: #666;
}

.product-detail-info .product-description {
    margin-bottom: 2rem;
    line-height: 1.8;
}

.product-detail-info .product-description p {
    margin-bottom: 1rem;
    color: #666;
}

.product-detail-info .product-features {
    margin-bottom: 2rem;
}

.product-detail-info .product-features h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #333;
}

.product-detail-info .product-features ul {
    list-style: none;
}

.product-detail-info .product-features li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
}

.product-detail-info .product-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #0056b3;
    font-weight: bold;
}

/* 新闻列表页样式 */
.news-list-section {
    padding: 8rem 0 4rem;
    background-color: #f5f5f5;
}

.news-list-content {
    display: flex;
    gap: 2rem;
}

.news-list {
    flex: 3;
}

.news-sidebar {
    flex: 1;
}

.news-list-item {
    display: flex;
    gap: 1.5rem;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-list-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

.news-list-image {
    width: 200px;
    height: 150px;
    flex-shrink: 0;
}

.news-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-list-content-inner {
    padding: 1.5rem;
    flex: 1;
}

.news-list-content-inner h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.news-list-content-inner p {
    margin-bottom: 1rem;
    color: #666;
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.news-list-meta {
    font-size: 0.875rem;
    color: #999;
}

.news-sidebar {
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.news-sidebar h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #333;
    border-bottom: 1px solid #eaeaea;
    padding-bottom: 0.5rem;
}

.news-sidebar .tags {
    margin-bottom: 2rem;
}

.news-sidebar .tag {
    display: inline-block;
    background-color: #f5f5f5;
    color: #0056b3;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.news-sidebar .tag:hover {
    background-color: #0056b3;
    color: #fff;
}

/* 新闻详情页样式 */
.news-detail {
    padding: 8rem 0 4rem;
    background-color: #fff;
}

.news-detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eaeaea;
}

.news-detail-header h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

.news-detail-meta {
    font-size: 0.875rem;
    color: #999;
}

.news-detail-body {
    line-height: 1.8;
}

.news-detail-body p {
    margin-bottom: 1.5rem;
    color: #666;
}

.news-detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem 0;
}

/* 联系我们页样式 */
.contact-section {
    padding: 8rem 0 4rem;
    background-color: #f5f5f5;
}

.contact-content {
    display: flex;
    gap: 4rem;
}

.contact-info {
    flex: 1;
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.contact-form {
    flex: 1;
    background-color: #fff;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.contact-info p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: #666;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #eaeaea;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0056b3;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

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

.form-group .btn-primary {
    width: 100%;
    text-align: center;
}