:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #333;
    --light-text: #fff;
    --bg-color: #fff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 4px;
    --max-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-color);
    line-height: 1.6;
    padding-top: 80px; /* 为固定导航栏留出空间 */
}

/* 导航栏样式 */
.met-head {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* Logo样式 */
.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

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

.logo {
    height: 50px;
    transition: var(--transition);
}

.company-name {
    margin-left: 12px;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* 导航链接 */
.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-item {
    margin-left: 1.5rem;
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* 响应式设计 */
@media (max-width: 968px) {
    .hamburger {
        display: flex;
    }

    .nav-list {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: var(--bg-color);
        box-shadow: var(--shadow);
        padding: 1rem 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-item {
        margin: 0.5rem 0;
        width: 100%;
        text-align: center;
    }

    .nav-link {
        padding: 0.8rem 1rem;
        justify-content: center;
    }

    .hamburger.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* 内容区域样式 */
.content {
    max-width: var(--max-width);
    margin: 2rem auto;
    padding: 0 1rem;
}

.hero {
    text-align: center;
    padding: 3rem 1rem;
    background: linear-gradient(135deg, #f0f7ff 0%, #e1efff 100%);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: #666;
}

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

.feature-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: #f8f9fa;
    margin-top: 3rem;
}


/* 轮播图容器 */
.carousel {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    margin: 0 auto;
}

/* 轮播图轨道 */
.carousel-track {
    display: flex;
    width: 300%;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

/* 轮播图项 */
.carousel-item {
    width: 33.333%;
    height: 100%;
    position: relative;
}

/* 轮播图图片 */
.carousel-img {
    width: 100%;
    height: 100%;

    display: block;
}

/* 轮播图指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 12px;
    z-index: 10;
}

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

.carousel-indicator.active {
    background-color: var(--light-text);
    transform: scale(1.2);
}

/* 轮播图控制按钮 */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.carousel-control:hover {
    background-color: rgba(0, 0, 0, 0.6);
}

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

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

/* 轮播图文本内容 */
.carousel-content {
    position: absolute;
    bottom: 80px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--light-text);
    padding: 0 20px;
    z-index: 5;
}

.carousel-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.carousel-description {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.carousel-button {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: var(--light-text);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.carousel-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 968px) {
    .carousel {
        height: 400px;
    }

    .carousel-title {
        font-size: 2rem;
    }

    .carousel-description {
        font-size: 1.1rem;
    }

    .carousel-control {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .carousel {
        height: 350px;
    }

    .carousel-title {
        font-size: 1.8rem;
    }

    .carousel-description {
        font-size: 1rem;
    }

    .carousel-content {
        bottom: 70px;
    }
}

@media (max-width: 576px) {
    .carousel {
        height: 300px;
    }

    .carousel-title {
        font-size: 1.5rem;
    }

    .carousel-description {
        font-size: 0.9rem;
    }

    .carousel-button {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }

    .carousel-control {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .carousel-control.prev {
        left: 10px;
    }

    .carousel-control.next {
        right: 10px;
    }
}

/* 内容区域样式 */
.content {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

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

.feature-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: #f8f9fa;
    margin-top: 3rem;
}

body {
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f1f5f9;

}

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

/* 标题区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title {
    display: inline-block;
    position: relative;
    margin-bottom: 15px;
}

.section-title img {
    height: 60px;
    display: block;
    margin: 0 auto 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-intro {
    font-size: 1.2rem;
    color: #555;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 产品网格布局 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.product-image {
    height: 220px;
    overflow: hidden;
    position: relative;
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-image img {
    max-width: 100%;
    max-height: 180px;

    transition: var(--transition);
}

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

.product-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
    text-align: center;
    flex-grow: 1;
    line-height: 1.4;
}

.product-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.product-link:hover .product-title {
    color: var(--primary-color);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: var(--light-text);
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-title img {
        height: 50px;
    }

    .section-intro {
        font-size: 1.1rem;
        padding: 0 10px;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 20px;
    }

    .product-image {
        height: 180px;
    }
}

@media (max-width: 576px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 10px;
    }

    .section-title img {
        height: 40px;
    }

    .section-intro {
        font-size: 1rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 400px;
        margin: 30px auto;
    }

    .product-image {
        height: 160px;
    }

    .product-content {
        padding: 15px;
    }
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 50px;
    color: #666;
    border-top: 1px solid #eaeaea;
}



/* 标题区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 15px;
    font-weight: 500;
}

.section-description {
    font-size: 1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 20px auto;
    border-radius: 2px;
}

/* 解决方案网格布局 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.solution-card {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    height: 320px;
}

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

.solution-image {
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.solution-image img {
    width: 100%;
    height: 100%;

    transition: var(--transition);
}

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

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.7));
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 25px;
    color: var(--light-text);
    transition: var(--transition);
}

.solution-card:hover .solution-overlay {
    background: linear-gradient(to bottom, rgba(37, 99, 235, 0.1), rgba(37, 99, 235, 0.8));
}

.solution-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.solution-icon img {
    max-width: 70%;
    max-height: 70%;
    object-fit: contain;
}

.solution-content {
    position: relative;
    z-index: 3;
}

.solution-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.solution-category {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 15px;
}

.solution-divider {
    width: 40px;
    height: 2px;
    background: var(--light-text);
    margin-bottom: 15px;
    transition: var(--transition);
}

.solution-card:hover .solution-divider {
    width: 80px;
    background: var(--accent-color);
}

.solution-link {
    display: inline-flex;
    align-items: center;
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    margin-top: 10px;
    transition: var(--transition);
}

.solution-link i {
    margin-left: 5px;
    transition: var(--transition);
}

.solution-link:hover {
    color: var(--accent-color);
}

.solution-link:hover i {
    transform: translateX(5px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .solutions-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
    }

    .solutions-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }

    .solution-card {
        height: 280px;
    }
}

@media (max-width: 576px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 10px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 400px;
        margin: 30px auto;
    }

    .solution-card {
        height: 250px;
    }

    .solution-overlay {
        padding: 20px;
    }

    .solution-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 10px;
    }
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 50px;
    color: #666;
    border-top: 1px solid #eaeaea;
}


/* 标题区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding: 40px 20px;
    background: var(--dark-bg);
    border-radius: var(--border-radius);
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--light-text);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    font-size: 2.2rem;
    color: var(--light-text);
    margin-bottom: 15px;
    font-weight: 600;
}

.section-description {
    font-size: 1.1rem;
    color: #cbd5e1;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 20px auto;
    border-radius: 2px;
}

/* 核心优势网格布局 */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.strength-card {
    perspective: 1000px;
    height: 380px;
}

.strength-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: var(--transition);
    transform-style: preserve-3d;
}

.strength-card:hover .strength-card-inner {
    transform: rotateY(180deg);
}

.strength-card-front,
.strength-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.strength-card-front {
    background: var(--light-text);
    display: flex;
    flex-direction: column;
}

.strength-card-back {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 25px;
}

.strength-image {
    height: 180px;
    overflow: hidden;
}

.strength-image img {
    width: 100%;
    height: 100%;

    transition: var(--transition);
}

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

.strength-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.strength-icon {
    width: 70px;
    height: 70px;
    background: var(--card-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
}

.strength-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.strength-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.strength-description {
    color: #64748b;
    line-height: 1.6;
}

.strength-back-content {
    text-align: center;
}

.strength-back-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.strength-back-icon i {
    font-size: 2rem;
    color: var(--light-text);
}

.strength-back-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.strength-back-description {
    line-height: 1.8;
    font-size: 0.95rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .strengths-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .section-header {
        margin-bottom: 30px;
        padding: 30px 15px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 1.8rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .strengths-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }

    .strength-card {
        height: 350px;
    }

    .strength-image {
        height: 160px;
    }
}

@media (max-width: 576px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 10px;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .section-subtitle {
        font-size: 1.5rem;
    }

    .strengths-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 400px;
        margin: 30px auto;
    }

    .strength-card {
        height: 320px;
    }

    .strength-image {
        height: 140px;
    }

    .strength-content {
        padding: 15px;
    }

    .strength-back {
        padding: 20px;
    }
}



/* 标题区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    font-size: 2.2rem;
    color: var(--text-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.section-description {
    font-size: 1.1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 20px auto;
    border-radius: 2px;
}

/* 荣誉展示区域 */
.honors-container {
    position: relative;
    margin: 40px auto;
    max-width: 1400px;
    overflow: hidden;
}

.honors-track {
    display: flex;
    transition: transform 0.5s ease;
    padding: 20px 0;
}

.honor-item {
    flex: 0 0 calc(33.333% - 20px);
    margin: 0 10px;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.honor-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.honor-image img {
    width: 100%;
    height: 220px;

    transition: var(--transition);
}

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

.honor-content {
    padding: 20px;
    text-align: center;
}

.honor-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

/* 控制按钮 */
.honors-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.honors-control:hover {
    background-color: var(--primary-color);
    color: var(--light-text);
}

.honors-control.prev {
    left: -25px;
}

.honors-control.next {
    right: -25px;
}

/* 指示器 */
.honors-indicators {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    gap: 12px;
}

.honors-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #cbd5e1;
    cursor: pointer;
    transition: var(--transition);
}

.honors-indicator.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .honor-item {
        flex: 0 0 calc(50% - 20px);
    }

    .honors-control.prev {
        left: 10px;
    }

    .honors-control.next {
        right: 10px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 1.8rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .honor-item {
        flex: 0 0 calc(100% - 20px);
    }

    .honors-control {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .honors-control.prev {
        left: 5px;
    }

    .honors-control.next {
        right: 5px;
    }
}

@media (max-width: 576px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 10px;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .section-subtitle {
        font-size: 1.5rem;
    }

    .honor-image {
        height: 180px;
    }

    .honor-content {
        padding: 15px;
    }
}


/* 标题区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 15px 0;
}

.section-divider {
    width: 100px;
    height: 2px;
    background: #e2e8f0;
    margin: 20px auto;
}

/* 新闻布局 */
.news-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.featured-news {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 428px;
}

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

.featured-image {
    height: 300px;
    overflow: hidden;
    position: relative;
}

.featured-image img {
    width: 100%;
    height: 100%;
    transition: var(--transition);
}

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

.featured-content {
    padding: 25px;
    background: var(--bg-color);
}

.featured-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
    line-height: 1.4;
}

.featured-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.featured-link:hover .featured-title {
    color: var(--primary-color);
}

/* 新闻列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: flex;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.news-image {
    width: 120px;
    flex-shrink: 0;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 120px;

    transition: var(--transition);
}

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

.news-content {
    padding: 20px;
    flex-grow: 1;
}

.news-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
    line-height: 1.4;
}

.news-info {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-size: 0.85rem;
    color: #64748b;
}

.news-date {
    display: flex;
    align-items: center;
}

.news-date i {
    margin-right: 5px;
}

.news-description {
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    height: 100%;
}

.news-link:hover .news-title {
    color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .news-container {
        gap: 20px;
    }

    .featured-image {
        height: 250px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .news-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .featured-image {
        height: 220px;
    }

    .featured-content {
        padding: 20px;
    }

    .featured-title {
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 10px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .news-item {
        flex-direction: column;
    }

    .news-image {
        width: 100%;
        height: 160px;
    }

    .news-content {
        padding: 15px;
    }

    .news-title {
        font-size: 1rem;
    }
}

/* 查看更多按钮 */
.view-more {
    text-align: center;
    margin-top: 40px;
}

.view-more-btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-color);
    color: var(--light-text);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.view-more-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}
/* 标题区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    font-size: 2.2rem;
    color: var(--text-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.section-description {
    font-size: 1.1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 20px auto;
    border-radius: 2px;
}

/* 品牌合作区域 */
.brands-container {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow);
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.brand-item {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    height: 120px;
}

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

.brand-logo {
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
    transition: var(--transition);
}

.brand-item:hover .brand-logo {
    transform: scale(1.1);
}

/* 合作伙伴类型标签 */
.partners-type {
    text-align: center;
    margin: 40px 0 20px;
    position: relative;
}

.partners-type-title {
    display: inline-block;
    background: var(--bg-color);
    padding: 0 20px;
    position: relative;
    z-index: 2;
    font-weight: 600;
    color: var(--primary-color);
}

.partners-type::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e2e8f0;
    z-index: 1;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .brands-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: 25px;
    }

    .brand-item {
        height: 110px;
        padding: 20px 15px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 1.8rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .brands-container {
        padding: 30px 20px;
    }

    .brands-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 20px;
    }

    .brand-item {
        height: 100px;
        padding: 15px 10px;
    }

    .brand-logo {
        max-height: 50px;
    }
}

@media (max-width: 576px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 10px;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .section-subtitle {
        font-size: 1.5rem;
    }

    .brands-container {
        padding: 20px 15px;
    }

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

    .brand-item {
        height: 90px;
        padding: 15px;
    }

    .brand-logo {
        max-height: 40px;
    }
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 50px;
    color: #666;
    border-top: 1px solid #eaeaea;
}


/***product **/
/* 导航菜单样式 */
.met-column-nav {
    background: linear-gradient(to right, #2c3e50, #4a6491);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
}

.container-nav {
    width: 100%;
    padding: 0 15px;
    margin: 0 auto;
}

.subcolumn-nav {
    width: 100%;
}

.met-column-nav-ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
}

.met-column-nav-ul li {
    flex-grow: 1;
    text-align: center;
}

.met-column-nav-ul li a {
    display: block;
    color: #ecf0f1;
    text-decoration: none;
    padding: 18px 15px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    border-bottom: 3px solid transparent;
}

.met-column-nav-ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-bottom: 3px solid #3498db;
}

.met-column-nav-ul li a.active {
    background-color: #3498db;
    color: white;
    border-bottom: 3px solid #fff;
}

.met-column-nav-ul li a.active:hover {
    background-color: #2980b9;
}

/* 移动端样式 */
.menu-toggle {
    display: none;
    background-color: #3498db;
    color: white;
    border: none;
    padding: 15px;
    width: 100%;
    text-align: left;
    font-size: 18px;
    font-weight: 500;
    border-radius: 10px 10px 0 0;
    cursor: pointer;
    justify-content: space-between;
    align-items: center;
}

.menu-toggle i {
    transition: transform 0.3s ease;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .met-column-nav-ul {
        flex-direction: column;
    }

    .met-column-nav-ul li {
        width: 100%;
    }

    .met-column-nav-ul li a {
        padding: 15px;
        text-align: left;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .menu-toggle {
        display: flex;
    }

    .subcolumn-nav {
        display: none;
        background-color: #2c3e50;
    }

    .subcolumn-nav.active {
        display: block;
    }

    .menu-toggle.active i {
        transform: rotate(180deg);
    }
}

@media (max-width: 576px) {
    .header h1 {
        font-size: 2rem;
    }

    .header p {
        font-size: 1rem;
    }

    .met-column-nav-ul li a {
        padding: 12px 15px;
        font-size: 15px;
    }
}

/* 演示内容样式 */
.demo-content {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.demo-content h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.demo-content p {
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 20px;
}

.demo-content .highlight {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
    border-left: 4px solid #3498db;
}


/* 产品列表样式 */
.met-product-list {
    width: 100%;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

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


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

.product-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-description {
    color: #7f8c8d;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
    flex-grow: 1;
}

.product-price {
    color: #e74c3c;
    font-size: 18px;
    font-weight: 700;
    margin-top: auto;
}

.product-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* 分页控件样式 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.pagination-item {
    margin: 5px;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: white;
    color: #2c3e50;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.pagination-link:hover {
    background-color: #3498db;
    color: white;
}

.pagination-link.active {
    background-color: #3498db;
    color: white;
}

.pagination-prev,
.pagination-next {
    width: auto;
    padding: 0 15px;
}

/* 加载更多按钮 */
.load-more {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 30px auto;
    padding: 15px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.load-more:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.load-more:active {
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }

    .product-title {
        font-size: 17px;
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }

    .header p {
        font-size: 1rem;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 15px;
    }

    .product-info {
        padding: 15px;
    }

    .product-title {
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .pagination-link {
        width: 35px;
        height: 35px;
    }

    .load-more {
        padding: 12px;
        font-size: 15px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card {
    animation: fadeIn 0.5s ease forwards;
}

.product-card:nth-child(2) {
    animation-delay: 0.1s;
}

.product-card:nth-child(3) {
    animation-delay: 0.2s;
}

.product-card:nth-child(4) {
    animation-delay: 0.3s;
}

.product-card:nth-child(5) {
    animation-delay: 0.4s;
}

.product-card:nth-child(n+6) {
    animation-delay: 0.5s;
}

/* 筛选控件 */
.product-filters {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-select {
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid #ddd;
    background-color: white;
    font-size: 14px;
    margin-left: 10px;
    min-width: 150px;
}

@media (max-width: 576px) {
    .product-filters {
        justify-content: stretch;
    }

    .filter-select {
        margin: 5px 0;
        width: 100%;
    }
}


/***so***?/

 */
/* 主内容区域 */
.main-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

/* 解决方案列表 */
.solutions-list {
    flex: 1;
    min-width: 300px;
}

.solution-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.solution-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

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

.solution-image img {
    width: 100%;
    height: 100%;

    transition: transform 0.5s ease;
}

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

.solution-content {
    padding: 20px;
}

.solution-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: #2c3e50;
}

.solution-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.solution-title a:hover {
    color: #3498db;
}

.solution-description {
    color: #7f8c8d;
    margin-bottom: 15px;
    line-height: 1.6;
}

.solution-meta {
    display: flex;
    justify-content: space-between;
    color: #95a5a6;
    font-size: 0.9rem;
    border-top: 1px solid #eee;
    padding-top: 15px;
    margin-top: auto;
}

/* 侧边栏 */
.sidebar {
    width: 300px;
}

.sidebar-widget {
    background: white;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.sidebar-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
    color: #2c3e50;
}

.search-form {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 30px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    border-color: #3498db;
}

.search-button {
    position: absolute;
    right: 5px;
    top: 5px;
    background: #3498db;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-button:hover {
    background: #2980b9;
}

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

.category-list li {
    margin-bottom: 10px;
}

.category-list a {
    display: block;
    padding: 10px 15px;
    color: #2c3e50;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.category-list a:hover,
.category-list a.active {
    background-color: #3498db;
    color: white;
}

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

.recommended-item {
    display: flex;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.recommended-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.recommended-image {
    width: 80px;
    height: 60px;
    border-radius: 5px;
    overflow: hidden;
    margin-right: 15px;
    flex-shrink: 0;
}

.recommended-image img {
    width: 100%;
    height: 100%;

}

.recommended-title {
    font-size: 0.95rem;
    line-height: 1.4;
}

.recommended-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.recommended-title a:hover {
    color: #3498db;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.pagination-item {
    margin: 5px;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: white;
    color: #2c3e50;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.pagination-link:hover,
.pagination-link.active {
    background-color: #3498db;
    color: white;
}

.pagination-prev,
.pagination-next {
    width: auto;
    padding: 0 15px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .main-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
    }

    .solution-item {
        flex-direction: row;
    }

    .solution-image {
        width: 40%;
        height: auto;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    .solution-item {
        flex-direction: column;
    }

    .solution-image {
        width: 100%;
    }

    .solution-title {
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 15px;
    }

    .page-header {
        margin: 20px 0 30px;
    }

    .solution-content {
        padding: 15px;
    }

    .solution-meta {
        flex-direction: column;
        gap: 10px;
    }

    .sidebar-widget {
        padding: 20px;
    }

    .pagination-link {
        width: 35px;
        height: 35px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.solution-item {
    animation: fadeIn 0.5s ease forwards;
}

.solution-item:nth-child(2) {
    animation-delay: 0.1s;
}

.solution-item:nth-child(3) {
    animation-delay: 0.2s;
}

.solution-item:nth-child(4) {
    animation-delay: 0.3s;
}

.solution-item:nth-child(5) {
    animation-delay: 0.4s;
}

.solution-item:nth-child(n+6) {
    animation-delay: 0.5s;
}



/***case***/
/* 面包屑导航 */
.breadcrumb-nav {
    padding: 15px 0;
    font-size: 0.9rem;
}

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

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    padding: 0 10px;
    color: #95a5a6;
}

.breadcrumb-item a {
    color: #3498db;
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* 主要内容区域 */
.main-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin: 20px 0 40px;
}

.article-content {
    flex: 1;
    min-width: 300px;
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.article-header {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.article-title {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 文章内容样式 */
.article-body {
    line-height: 1.8;
}

.article-body p {
    margin-bottom: 20px;
    text-align: justify;
}

.article-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.article-body h2,
.article-body h3,
.article-body h4 {
    color: #2c3e50;
    margin: 30px 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.article-body ul,
.article-body ol {
    margin: 15px 0;
    padding-left: 20px;
}

.article-body li {
    margin-bottom: 10px;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.article-body table,
.article-body th,
.article-body td {
    border: 1px solid #ddd;
}

.article-body th,
.article-body td {
    padding: 12px 15px;
    text-align: left;
}

.article-body th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.article-body tr:nth-child(even) {
    background-color: #f8f9fa;
}

/* 标签区域 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 30px 0;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.tag-label {
    font-weight: 600;
    color: #2c3e50;
}

.article-tags a {
    display: inline-block;
    padding: 5px 12px;
    background: #eaf2f8;
    color: #3498db;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.article-tags a:hover {
    background: #3498db;
    color: white;
}

/* 分页导航 */
.article-pagination {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.page-link {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: #f8f9fa;
    color: #2c3e50;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    max-width: 45%;
}

.page-link:hover {
    background: #3498db;
    color: white;
}

.page-link.prev {
    text-align: left;
}

.page-link.next {
    text-align: right;
    margin-left: auto;
}

.page-link .icon {
    margin: 0 8px;
}

.page-link.disable {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-link.disable:hover {
    background: #f8f9fa;
    color: #2c3e50;
}

/* 侧边栏 */
.sidebar {
    width: 300px;
}

.sidebar-widget {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.sidebar-title {
    font-size: 1.2rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
    color: #2c3e50;
}

.search-form {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 30px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    border-color: #3498db;
}

.search-button {
    position: absolute;
    right: 5px;
    top: 5px;
    background: #3498db;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-button:hover {
    background: #2980b9;
}

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

.category-list li {
    margin-bottom: 10px;
}

.category-list a {
    display: block;
    padding: 10px 15px;
    color: #2c3e50;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.category-list a:hover,
.category-list a.active {
    background-color: #3498db;
    color: white;
}

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

.recommended-item {
    display: flex;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.recommended-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.recommended-image {
    width: 80px;
    height: 60px;
    border-radius: 5px;
    overflow: hidden;
    margin-right: 15px;
    flex-shrink: 0;
}

.recommended-image img {
    width: 100%;
    height: 100%;

}

.recommended-title {
    font-size: 0.95rem;
    line-height: 1.4;
}

.recommended-title a {
    color: #2c3e50;
    text-decoration: none;
    transition: color 0.3s ease;
}

.recommended-title a:hover {
    color: #3498db;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .main-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
    }

    .article-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 768px) {
    .article-content {
        padding: 20px;
    }

    .article-title {
        font-size: 1.4rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 8px;
    }

    .article-pagination {
        flex-direction: column;
        gap: 15px;
    }

    .page-link {
        max-width: 100%;
    }

    .breadcrumb {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 10px;
    }

    .article-content {
        padding: 15px;
    }

    .article-title {
        font-size: 1.3rem;
    }

    .article-body h2 {
        font-size: 1.2rem;
    }

    .article-body h3 {
        font-size: 1.1rem;
    }

    .article-body table {
        font-size: 0.85rem;
    }

    .article-body th,
    .article-body td {
        padding: 8px 10px;
    }

    .sidebar-widget {
        padding: 15px;
    }

    .recommended-item {
        flex-direction: column;
    }

    .recommended-image {
        width: 100%;
        height: 120px;
        margin-right: 0;
        margin-bottom: 10px;
    }
}


/*****/
/* 导航菜单样式 */
.subcolumn-nav {
    background: linear-gradient(to right, #2c3e50, #4a6491);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin: 20px 0 30px;
    overflow: hidden;
}

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

.subcolumn-nav ul li {
    flex-grow: 1;
    text-align: center;
}

.subcolumn-nav ul li a {
    display: block;
    color: #ecf0f1;
    text-decoration: none;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.subcolumn-nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.subcolumn-nav ul li a.active {
    background-color: #3498db;
    color: white;
}

.subcolumn-nav ul li a.active:hover {
    background-color: #2980b9;
}

/* 内容区域样式 */
.contact-content {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}



.company-name a {
    color: inherit;
    text-decoration: none;
}

.company-name a:hover {
    text-decoration: underline;
}

.company-english {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: #2c3e50;
}

.contact-info {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    margin-bottom: 15px;
    align-items: flex-start;
}

.contact-icon {
    width: 30px;
    color: #3498db;
    font-size: 1.2rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-details {
    flex: 1;
}

.contact-details p {
    margin: 0;
    line-height: 1.6;
}

.contact-label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 5px;
}

.contact-value {
    color: #7f8c8d;
}

.contact-value a {
    color: #3498db;
    text-decoration: none;
}

.contact-value a:hover {
    text-decoration: underline;
}

.qrcode-section {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.qrcode-title {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.qrcode-image {
    max-width: 200px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
}

/* 地图部分 */
.map-section {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.map-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
    text-align: center;
}

.map-container {
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.map-placeholder {
    height: 100%;
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    text-align: center;
    padding: 20px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .subcolumn-nav ul {
        flex-direction: column;
    }

    .subcolumn-nav ul li {
        width: 100%;
    }

    .subcolumn-nav ul li a {
        text-align: left;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .company-name {
        font-size: 1.5rem;
    }

    .company-english {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .contact-content {
        padding: 20px;
    }

    .company-name {
        font-size: 1.3rem;
    }

    .contact-item {
        flex-direction: column;
    }

    .contact-icon {
        margin-bottom: 10px;
        margin-right: 0;
    }

    .map-container {
        height: 300px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 10px;
    }

    .contact-content {
        padding: 15px;
    }

    .company-name {
        font-size: 1.2rem;
    }

    .company-english {
        font-size: 1rem;
    }

    .contact-icon {
        font-size: 1.1rem;
    }

    .map-section {
        padding: 20px;
    }

    .map-title {
        font-size: 1.3rem;
    }

    .map-container {
        height: 250px;
    }

    .qrcode-image {
        max-width: 150px;
    }
}

/* 动画效果 */
.contact-item {
    animation: fadeIn 0.5s ease forwards;
}

.contact-item:nth-child(2) {
    animation-delay: 0.1s;
}

.contact-item:nth-child(3) {
    animation-delay: 0.2s;
}

.contact-item:nth-child(4) {
    animation-delay: 0.3s;
}

.contact-item:nth-child(5) {
    animation-delay: 0.4s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/*****/
/* 头部区域 */
.company-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 20px;
    background: linear-gradient(135deg, #3498db 0%, #2c3e50 100%);
    color: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.company-title {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.company-years {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #ffd700;
    font-weight: 600;
}

.company-tagline {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 20px;
}

.company-subtitle {
    font-size: 1.8rem;
    margin-top: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    display: inline-block;
}

/* 主要内容 */
.company-content {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.company-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    text-align: justify;
}

.business-area {
    margin: 30px 0;
}

.business-title {
    font-size: 1.4rem;
    color: #3498db;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #eaf2f8;
}

.business-list {
    list-style: none;
    padding-left: 20px;
}

.business-list li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 25px;
}

.business-list li:before {
    content: "•";
    color: #3498db;
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* 数据统计区域 */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.stat-item {
    background: linear-gradient(135deg, #eaf2f8 0%, #d6e4f0 100%);
    border-radius: 10px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 10px;
}

.stat-desc {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 5px;
}

.stat-subdesc {
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* 研发能力部分 */
.rd-capability {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 25px;
    margin: 30px 0;
    border-left: 4px solid #3498db;
}

.rd-title {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.rd-content {
    line-height: 1.7;
}

/* 市场表现部分 */
.market-performance {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
    border-radius: 10px;
    padding: 25px;
    margin: 30px 0;
}

.market-title {
    font-size: 1.3rem;
    color: #e65100;
    margin-bottom: 15px;
}

.market-content {
    line-height: 1.7;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .company-title {
        font-size: 1.8rem;
    }

    .company-years {
        font-size: 1.3rem;
    }

    .company-subtitle {
        font-size: 1.5rem;
    }

    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .company-header {
        padding: 20px 15px;
    }

    .company-title {
        font-size: 1.6rem;
    }

    .company-content {
        padding: 20px;
    }

    .stats-section {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .company-title {
        font-size: 1.4rem;
    }

    .company-years {
        font-size: 1.2rem;
    }

    .company-subtitle {
        font-size: 1.3rem;
    }

    .company-content {
        padding: 15px;
    }

    .business-title {
        font-size: 1.2rem;
    }

    .stat-item {
        padding: 20px 15px;
    }

    .rd-capability, .market-performance {
        padding: 20px 15px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.company-header, .company-content, .stat-item {
    animation: fadeIn 0.6s ease forwards;
}

.stat-item:nth-child(2) {
    animation-delay: 0.2s;
}

.stat-item:nth-child(3) {
    animation-delay: 0.4s;
}

/** product detail*/
.row {
    display: flex;
    flex-wrap: wrap;
}

.col-lg-7, .col-lg-5 {
    padding: 25px;
    width: 100%;
}

/* 产品图库样式 */
.product-gallery {
    position: relative;
    background: #fff;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.gallery-main {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.gallery-main img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.gallery-main:hover img {
    transform: scale(1.03);
}

.gallery-thumbnails {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 10px 5px;
    scrollbar-width: thin;
}

.gallery-thumbnails::-webkit-scrollbar {
    height: 5px;
}

.gallery-thumbnails::-webkit-scrollbar-thumb {
    background: #3498db;
    border-radius: 10px;
}

.thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.3s;
    flex-shrink: 0;
    border: 2px solid transparent;
}

.thumbnail:hover, .thumbnail.active {
    opacity: 1;
    transform: scale(1.08);
    border-color: #3498db;
}

.thumbnail img {
    width: 100%;
    height: 100%;

}

/* 产品信息样式 */
.product-info {
    background: #fff;
}


.product-description {
    color: #555;
    margin: 20px 0;
    line-height: 1.7;
    font-size: 1.05rem;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.product-features {
    margin: 25px 0;
}

.features-title {
    display: flex;
    align-items: center;
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.features-title i {
    margin-right: 10px;
    color: #3498db;
    background: #e8f4fd;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    background: linear-gradient(to right, #f8f9fa, #fff);
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 0.95rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-item i {
    color: #3498db;
    margin-right: 12px;
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

/* 运营商标签 */
.carrier-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.carrier-tag {
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.carrier-tag i {
    margin-right: 5px;
}

.tag-china-mobile {
    background: rgba(237, 28, 36, 0.1);
    color: #ed1c24;
    border: 1px solid rgba(237, 28, 36, 0.3);
}

.tag-china-unicom {
    background: rgba(0, 127, 70, 0.1);
    color: #007f46;
    border: 1px solid rgba(0, 127, 70, 0.3);
}

.tag-china-telecom {
    background: rgba(5, 230, 230, 0.1);
    color: #05e6e6;
    border: 1px solid rgba(5, 230, 230, 0.3);
}

.tag-china-broadcast {
    background: rgba(136, 0, 204, 0.1);
    color: #8000cc;
    border: 1px solid rgba(136, 0, 204, 0.3);
}

/* 响应式设计 */
@media (min-width: 992px) {
    .col-lg-7 {
        width: 58.333333%;
    }

    .col-lg-5 {
        width: 41.666667%;
    }

    .row {
        flex-wrap: nowrap;
    }
}

@media (max-width: 991px) {
    .product-title {
        font-size: 1.6rem;
    }

    .feature-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .container {
        border-radius: 10px;
    }

    .col-lg-7, .col-lg-5 {
        padding: 20px;
    }

    .product-title {
        font-size: 1.5rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .col-lg-7, .col-lg-5 {
        padding: 15px;
    }

    .product-title {
        font-size: 1.4rem;
    }

    .product-description {
        font-size: 1rem;
        padding: 12px;
    }

    .carrier-tag {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .feature-item {
        padding: 10px 12px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-gallery, .product-info {
    animation: fadeIn 0.5s ease-out;
}

.product-info {
    animation-delay: 0.2s;
}


/* Responsive Styles */
.contact-panel {
    font-family: Arial, sans-serif;
    color: #333;
    line-height: 1.6;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.contact-wrapper {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 30px;
}

.contact-wrapper h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 16px;
    text-align: center;
}

.contact-wrapper p {
    color: #555;
    margin-bottom: 24px;
    text-align: center;
    font-size: 15px;
}

.contact-form-area {
    margin-bottom: 20px;
}

.contact-input-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.contact-form-item {
    position: relative;
    flex: 1 1 100%;
    min-width: 280px;
}

.contact-form-item i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    pointer-events: none;
}

.contact-input-name,
.contact-input-phone,
.contact-input-message {
    width: 100%;
    padding: 12px 12px 12px 40px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    box-sizing: border-box;
}

.contact-input-message {
    min-height: 120px;
    resize: vertical;
}

.contact-button-group {
    text-align: center;
    margin-top: 20px;
}

.contact-btn-submit {
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.contact-btn-submit:hover {
    background-color: #0056b3;
}

.contact-details {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 14px;
    color: #666;
}

.contact-details div {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-error {
    border-color: #dc3545 !important;
}

.contact-error-message {
    color: #dc3545;
    font-size: 13px;
    margin-top: 6px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .contact-wrapper {
        padding: 20px;
    }

    .contact-input-group {
        flex-direction: column;
    }

    .contact-form-item {
        min-width: auto;
    }

    .contact-input-name,
    .contact-input-phone,
    .contact-input-message {
        padding-left: 40px;
    }

    .contact-wrapper h3 {
        font-size: 20px;
    }

    .contact-wrapper p,
    .contact-details span {
        font-size: 14px;
    }
}



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

.product-header {
    background: linear-gradient(135deg, #1a2a6c 0%, #2c3e50 100%);
    color: white;
    padding: 30px 20px;
    text-align: center;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}


.product-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 992px) {
    .product-layout {
        grid-template-columns: 1fr 1fr;
    }
}

.product-specs, .product-info {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.section-heading {
    color: #2c3e50;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.subsection-heading {
    color: #2c3e50;
    margin: 25px 0 15px;
}

.specs-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

@media (min-width: 576px) {
    .specs-container {
        grid-template-columns: 1fr 1fr;
    }
}

.spec-item {
    display: flex;
    margin-bottom: 15px;
    align-items: flex-start;
}

.spec-icon {
    color: #3498db;
    font-size: 1.5rem;
    margin-right: 15px;
    min-width: 30px;
}

.spec-detail h4 {
    margin-bottom: 5px;
    color: #2c3e50;
}

.spec-detail p {
    color: #555;
}

.frequency-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 15px 0;
}

@media (min-width: 768px) {
    .frequency-container {
        grid-template-columns: 1fr 1fr;
    }
}

.frequency-band {
    background: #e8f4fc;
    padding: 12px 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
}

.frequency-band i {
    color: #3498db;
    margin-right: 10px;
}

.features-container {
    margin: 20px 0;
}

.feature-block {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.feature-icon {
    background: #3498db;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.feature-detail h4 {
    margin-bottom: 8px;
    color: #2c3e50;
}

.feature-detail p {
    color: #555;
}

.certification-box {
    background: #f0fff4;
    border-left: 4px solid #2ecc71;
    padding: 15px;
    border-radius: 4px;
    margin: 25px 0;
}

.coverage-box {
    background: #fffaf0;
    border-left: 4px solid #ecc94b;
    padding: 15px;
    border-radius: 4px;
    margin: 25px 0;
}

.contact-button {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 15px;
    transition: all 0.3s ease;
}

.contact-button:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.product-footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 50px;
    color: #777;
    border-top: 1px solid #eaeaea;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .product-title {
        font-size: 2rem;
    }

    .product-subtitle {
        font-size: 1.1rem;
    }

    .product-specs, .product-info {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .product-container {
        padding: 15px;
    }

    .product-header {
        padding: 20px 15px;
    }

    .product-title {
        font-size: 1.8rem;
    }

    .frequency-container {
        grid-template-columns: 1fr;
    }
}
/**************************99****/

/**************************修复移动端菜单显示问题**************************/
.nav-item.has-dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.7rem;
    margin-left: 5px;
    transition: var(--transition);
}

.nav-item.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-color);
    min-width: 220px;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 8px 0;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95rem;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding-left: 25px;
}

/* 移动端下拉菜单样式 */
@media (max-width: 968px) {
    /* 修复主菜单显示问题 - 同时支持 .active 和 .show 类 */
    .nav-list {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: var(--bg-color);
        box-shadow: var(--shadow);
        padding: 1rem 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }

    .nav-list.active,
    .nav-list.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-item {
        margin: 0;
        width: 100%;
        text-align: left;
    }

    .nav-link {
        padding: 0.8rem 1rem;
        justify-content: space-between;
        border-bottom: 1px solid #f0f0f0;
    }

    .hamburger.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* 修复下拉菜单样式 */
    .nav-item.has-dropdown {
        flex-direction: column;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #f8f9fa;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        display: block;
    }

    .dropdown-menu.show {
        max-height: 300px;
    }

    .dropdown-item {
        padding: 10px 15px 10px 30px;
        border-bottom: 1px solid #e9ecef;
    }

    .dropdown-arrow {
        float: right;
        margin-top: 2px;
        transition: transform 0.3s ease;
    }

    .dropdown-menu.show ~ .nav-link .dropdown-arrow {
        transform: rotate(180deg);
    }

    /* 在移动端禁用桌面端的悬停效果 */
    .nav-item.has-dropdown:hover .dropdown-menu {
        max-height: 0;
    }
}

/* 桌面端悬停效果 */
@media (min-width: 969px) {
    .nav-item.has-dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .dropdown-menu {
        display: block;
    }
}

/* 确保导航项在有下拉菜单时有合适的间距 */
.nav-item.has-dropdown .nav-link {
    position: relative;
    padding-right: 15px;
}

.section-titleV2 {
    font-size: 1.5rem;        /* 从 1.8rem 减小到 1.5rem，更显精致 */
    font-weight: 600;         /* 从 700 调整为 600，减轻粗重感，更现代 */
    color: var(--primary-color);
    margin-bottom: 8px;       /* 从 10px 减小到 8px，减少空白 */
    text-transform: uppercase;
    letter-spacing: 1.5px;    /* 从 2px 减小到 1.5px，避免大写文字过于松散 */
    color: var(--primary-color);
}


/****************----email us ****/
/* 浮动按钮样式 */
.contact-float-button {
    position: fixed;
    top: 50%;
    right: 1px;
    transform: translateY(-50%);
    height: 60px;
    color: white;
    font-size: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
    z-index: 1000;
    transition: transform 0.2s, background-color 0.3s;
}

.contact-float-button:hover {
    transform: translateY(-50%) scale(1.1);
    background-color: #0056b3;
}



/* 模态框样式 */
.contact-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    justify-content: center;
    align-items: center;
}

.contact-modal-content {
    background: #fff;
    width: 90%;
    max-width: 480px;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    max-height: 90vh;
    overflow-y: auto;
}

.contact-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.contact-modal-header h3 {
    font-size: 20px;
    color: #2c3e50;
    margin: 0;
}

.contact-close-btn {
    background: none;
    border: none;
    font-size: 30px;
    color: #999;
    cursor: pointer;
    line-height: 1;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-close-btn:hover {
    color: #333;
}

.contact-modal p {
    color: #555;
    font-size: 14px;
    margin-bottom: 20px;
}

/* 表单样式（简化复用） */
.contact-form-item {
    position: relative;
    margin-bottom: 16px;
}

.contact-form-item i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    pointer-events: none;
}

.contact-input-name,
.contact-input-phone,
.contact-input-message {
    width: 100%;
    padding: 12px 12px 12px 40px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    box-sizing: border-box;
}

.contact-input-message {
    min-height: 100px;
    resize: vertical;
}

.contact-button-group {
    text-align: center;
    margin: 20px 0;
}

.contact-btn-submit {
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 12px 28px;
    font-size: 15px;
    border-radius: 8px;
    cursor: pointer;
}

.contact-btn-submit:hover {
    background-color: #0056b3;
}

.contact-details {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #eee;
    font-size: 13px;
    color: #666;
}

.contact-details div {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-error {
    border-color: #dc3545 !important;
}

.contact-error-message {
    color: #dc3545;
    font-size: 12px;
    margin-top: 6px;
}

/* 响应式 */
@media (max-width: 480px) {
    .contact-float-button {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 24px;
    }
    .contact-modal-content {
        padding: 20px;
        margin: 10px;
    }
}

/***************foot**************/

.modern-footer {
    background: linear-gradient(135deg, #1e3042 0%, #34495e 100%);
    color: #ecf0f1;
    padding: 40px 0 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

.footer-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section {
    margin-bottom: 20px;
}

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

.logo-img {
    max-width: 180px;
    height: auto;

}

.social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    color: #ecf0f1;
}

.social-link:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.2);
}

.facebook:hover { background: #3b5998; }
.twitter:hover { background: #1da1f2; }
.linkedin:hover { background: #0077b5; }
.youtube:hover { background: #ff0000; }
.pinterest:hover { background: #bd081c; }
.instagram:hover { background: #e4405f; }
.whatsapp:hover { background: #25d366; }

.footer-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #3498db;

    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #3498db;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    padding: 4px 0;
}

.footer-links a:hover {
    color: #3498db;
    transform: translateX(5px);
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: #bdc3c7;
}

.contact-icon {
    margin-right: 10px;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #3498db;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-links-bottom {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-links-bottom a {
    color: #95a5a6;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links-bottom a:hover {
    color: #3498db;
}

.copyright {
    color: #95a5a6;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

    .footer-links-bottom {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .modern-footer {
        padding: 30px 0 15px;
    }

    .footer-container {
        padding: 0 15px;
    }

    .footer-title {
        font-size: 16px;
    }
}


/***********com***********/


/* 基础样式重置 - 使用长类名避免冲突 */
.companyAboutUsSection__resetStyles {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.companyAboutUsSection__bodyStyles {
    font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.companyAboutUsSection__containerStyles {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 标题样式 */
.companyAboutUsSection__titleContainer {
    text-align: center;
    margin: 40px 0 30px;
    font-size: 32px;
    font-weight: 600;
    color: #2c3e50;
    position: relative;
}

.companyAboutUsSection__titleSubtext {
    display: block;
    margin-top: 10px;
    font-size: 18px;
    font-weight: 400;
    color: #7f8c8d;
}

.companyAboutUsSection__titleUnderline::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: #3498db;
    margin: 15px auto;
    border-radius: 2px;
}

/* 关于我们内容区域 - 保持左右结构 */
.companyAboutUsSection__contentWrapper {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    margin: 40px 0;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    gap: 20px;
}

.companyAboutUsSection__imageContainer {
    flex: 0 0 48%;
    padding: 20px;
}

.companyAboutUsSection__textContent {
    flex: 0 0 48%;
    padding: 30px;
    text-align: justify;
    font-size: 16px;
    color: #555;
}

.companyAboutUsSection__imageAlignment {
    text-align: center;
}

.companyAboutUsSection__responsiveImage {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.companyAboutUsSection__responsiveImage:hover {
    transform: scale(1.02);
}

/* 动画效果 */
.companyAboutUsSection__animationElement {
    visibility: hidden;
}

.companyAboutUsSection__fadeInUpAnimation {
    animation-name: companyAboutUsSection__fadeInUpKeyframes;
}

@keyframes companyAboutUsSection__fadeInUpKeyframes {
    from {
        opacity: 0;
        transform: translate3d(0, 40px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

/* 响应式设计 - 在移动端改为上下结构 */
@media (max-width: 992px) {
    .companyAboutUsSection__imageContainer,
    .companyAboutUsSection__textContent {
        flex: 0 0 100%;
    }

    .companyAboutUsSection__imageContainer {
        padding-bottom: 0;
    }

    .companyAboutUsSection__titleContainer {
        font-size: 28px;
    }

    .companyAboutUsSection__titleSubtext {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .companyAboutUsSection__titleContainer {
        font-size: 24px;
        margin: 30px 0 20px;
    }

    .companyAboutUsSection__titleSubtext {
        font-size: 15px;
    }

    .companyAboutUsSection__contentWrapper {
        margin: 20px 0;
        gap: 10px;
    }

    .companyAboutUsSection__textContent {
        padding: 20px;
        font-size: 15px;
    }
}

@media (max-width: 576px) {
    .companyAboutUsSection__titleContainer {
        font-size: 22px;
    }

    .companyAboutUsSection__titleSubtext {
        font-size: 14px;
    }

    .companyAboutUsSection__textContent {
        padding: 15px;
        font-size: 14px;
    }

    .companyAboutUsSection__imageContainer {
        padding: 15px;
    }
}