:root {
    --primary: #1591ce;
    --primary-dark: #08528a;
    --primary-light: #e8f2fb;
    --primary-lighter: #f0f7fc;
    --accent: #ff7a1a;
    --text: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg: #f5f7fa;
    --bg-gray: #f0f2f5;
    --white: #ffffff;
    --border: #e5e7eb;
    --border-light: #eef0f3;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --max-width: 1600px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    
    font-size: 14px;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 60px 0;
}

.section-gray {
    background: var(--bg);
}

.section-blue {
    background: #1591ce;
}

.title-blue {
    color: #1591ce;
}

.title-dark {
    color: #0f0f0f;
}

.hot-products-title {
    text-align: center;
    margin-bottom: 40px;
}

.hot-products-title h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 40px;
    font-weight: 600;
}

.customers-title {
    text-align: center;
    margin-bottom: 40px;
}

.customers-title h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 40px;
    font-weight: 600;
}

.text-center {
    text-align: center;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.section-title p {
    color: var(--text-lighter);
    font-size: 14px;
    margin-top: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.why-title {
    text-align: center;
    margin-bottom: 40px;
}

.why-title h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 40px;
    font-weight: 600;
    display: inline-block;
}

.why-title h2 .dark {
    color: #0f0f0f;
}

.why-title h2 .blue {
    color: #1591ce;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 32px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 108, 183, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-lg {
    padding: 9px 15px;
    font-size: 16px;
}

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.header-top {
    background: var(--primary-dark);
    color: var(--white);
    font-size: 12px;
    padding: 6px 0;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-top span {
    opacity: 0.9;
}

.header-top .top-links {
    display: flex;
    gap: 20px;
}

.header-top .top-links a {
    color: var(--white);
    opacity: 0.85;
}

.header-top .top-links a:hover {
    opacity: 1;
}

.header-main {
    padding: 14px 0;
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
   display: inline-block; 
}
.logo .nr{
  display: flex;
    align-items: center;
    gap: 10px;  
}
.logo-icon {
    width: 80px;
  
    padding: 0 12px;
   
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.lang-switch {
    display: flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--primary);
}

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

.logo-text .cn {
    font-size: 25px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}

.logo-text .en {
    font-size: 10px;
    color: var(--text-lighter);
    letter-spacing: 1px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav a {
    padding: 0px 16px;
    font-size: 17px;
    color: var(--text);
    font-weight: 500;
    border-radius: var(--radius-sm);
    position: relative;
}

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

.nav a.active {
    color: var(--primary);
    font-weight: 700;
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.nav-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-light);
    border-radius: 50%;
    transition: var(--transition);
}

.nav-icon:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.hero {
    position: relative;
    height: 1000px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero .container {
    max-width: 1600px;
    width: 100%;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
   
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 1600px;
    text-align: left;
}

.hero-tagline {
    font-family: 'Noto Serif SC', serif;
    font-size: 42px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 20px;
}

.hero-tagline .divider {
    color: var(--accent);
    margin: 0 8px;
}

.hero-desc {
    font-family: 'Noto Serif SC', serif;
    margin-bottom: 40px;
    line-height: 1.5;
}

.hero-desc .num-large {
    font-size: 62px;
    font-weight: 700;
}

.hero-desc .text-medium {
    font-size: 46px;
    font-weight: 500;
}

.hero .btn-primary {
    background: #1591CE;
    color: #FFFFFF;
    width: 240px;
    height: 50px;
    border-radius: 6px;
    border: none;
    font-size: 15px;
}

.hero .btn-primary:hover {
    background: #0d7ab0;
    color: #FFFFFF;
}

.why-choose {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.why-card {
    flex: 1;
    text-align: center;
    padding: 40px 20px;
    background: var(--white);
    border-radius: var(--radius);

    transition: var(--transition);
}

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

.why-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.why-icon svg {
    width: 36px;
    height: 36px;
}

.why-card h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1591ce;
}

.why-card p {
    font-size: 11px;
    color: var(--text-light);
    line-height: 1.8;
}

.hot-products {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: center;
}

.product-arrow {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--white);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-light);
    flex-shrink: 0;
    transition: var(--transition);
    z-index: 5;
}

.product-arrow:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.hot-product-list {
    flex: 1;
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: flex-start;
    overflow: hidden;
}

.hot-product-card {
    flex: 0 0 500px;
   
    /*height: 500px;*/
    border-radius: 8px;
    border: 2px solid #E5E7EB;
    /*overflow: hidden;*/
    background: var(--white);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.hot-product-card-img {
    flex: 1;
    /*overflow: hidden;*/
    position: relative;
}

.hot-product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.hot-product-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(21, 145, 206, 0.3);
}

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

.hot-product-card-name {
    padding: 16px;
    text-align: center;
    font-size: 18px;
    font-weight: 500;
    color: var(--text);
    background: var(--white);
    flex-shrink: 0;
    border-top: 1px solid #F0F0F0;
}

.spec-panel {
    position: absolute;
    inset: 0;
    padding: 30px 40px;
    background: rgba(21, 145, 206, 0.93);
    color: var(--white);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.hot-product-card:hover .spec-panel {
    transform: translateY(0);
}

.spec-panel h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
}

.spec-panel p {
    font-size: 13px;
    line-height: 1.9;
}

.spec-panel .spec-note {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 4px;
}

.customers-grid {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    gap: 16px;
    width: 100%;
    padding: 0 24px;
    box-sizing: border-box;
}

.customer-cell {
   grid-column: span 2;
    /* height: 110px; */
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 18px;
    font-weight: 700;
    background: #ffffff;
    border: 1px solid #E5E7EB;
    border-radius: 6px;
    transition: var(--transition);
}

.customer-cell:nth-child(7) {
    grid-column-start: 2;
}

.customer-cell:hover {
    border-color: #1591ce;
    box-shadow: var(--shadow);
}

.page-banner {
    height: 240px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 60 60"><path d="M30 0L60 30L30 60L0 30Z" fill="rgba(255,255,255,0.03)"/></svg>');
}

.page-banner h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    position: relative;
}

.page-banner p {
    font-size: 14px;
    letter-spacing: 3px;
    opacity: 0.8;
    text-transform: uppercase;
    position: relative;
}

.breadcrumb {
    padding: 16px 0;
    font-size: 13px;
    color: var(--text-lighter);
    background: var(--bg);
}

.breadcrumb a {
    color: var(--text-light);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb .sep {
    margin: 0 8px;
    color: var(--text-lighter);
}

.about-hero {
    padding: 80px 0 0px;
    text-align: center;
}

.about-hero h1 {
    font-family: 'Noto Serif SC', serif;
    font-size: 70px;
    font-weight: 600;
    color: #1591ce;
    max-width: 800px;
    margin: 0 auto 0px;
       letter-spacing: 35px
}

.about-hero p {
   font-weight: 300;
font-size: 42px;
color: #1591CE;
    letter-spacing: 10px;
    opacity: 0.8;
}

.about-section-title {
    text-align: center;
    margin-bottom: 12px;
}

.about-section-title .title-wrapper {
    display: inline-block;
}

.about-section-title h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 32px;
    font-weight: 600;
    color: #0f0f0f;
    display: inline-block;
}

.title-underline {
    width: 100%;
    height: 3px;
    margin: 12px 0 0;
    background: linear-gradient(to right, #F5A623 50%, #1591ce 50%);
    border-radius: 2px;
}

.about-subtitle {
    font-family: 'Noto Serif SC', serif;
    font-size: 30px;
    font-weight: 500;
    color: #1591ce;
    text-align: center;
    margin-bottom: 50px;
}

.about-intro {
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-intro-text {
    flex: 1;
}

.about-intro-text p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 16px;
    text-indent: 2em;
}

.about-intro-img {
    flex: 0 0 760px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-intro-img img {
    width: 100%;
    height: 535px;
    object-fit: cover;
}

.about-showcase {
    display: flex;
    gap: 40px;
    margin-top: 50px;
    align-items: center;
}

.about-showcase-img {
    flex: 0 0 760px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-showcase-img img {
    width: 100%;
    height: 535px;
    object-fit: cover;
}

.about-showcase-text {
    flex: 1;
}

.about-showcase-text p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 12px;
    text-indent: 2em;
}

.about-features {
    display: flex;
    gap: 24px;
    margin-top: 60px;
    justify-content: center;
}

.feature-card {
    width: 360px;
    height: 300px;
    background: #F9F9F9;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 48px;
    height: 48px;
    fill: #1591ce;
}

.feature-num {
    font-size: 49px;
    font-weight: 700;
    color: #1591ce;
    line-height: 1.2;
}

.feature-label {
    
    color: var(--text-light);
    margin-top: 8px;
    font-weight: 400;
font-size: 22px;
color: #1591CE;
}

.product-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.product-tab {
    padding: 8px 24px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text-light);
    transition: var(--transition);
}

.product-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.product-tab.active {
       background: #1591ce;
    color: var(--white);
    border-color: #1591ce;
}

.product-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.product-search {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.product-search input {
    padding: 8px 12px;
    border: none;
    outline: none;
    font-size: 13px;
    width: 200px;
}

.product-search button {
    padding: 8px 12px;
    background: var(--bg);
    border: none;
    cursor: pointer;
    color: var(--text-light);
}

.product-grid {
    max-width: 1600px;
    margin: 50px auto;
    display: grid;
    grid-template-columns: repeat(2, 780px);
    justify-content: center;
    gap: 20px;
}

.product-card {
   
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: #1591ce;
    box-shadow: 0 8px 30px rgba(21, 145, 206, 0.15);
    transform: translateY(-4px);
}

.product-card-img {
   width: 100%;
    aspect-ratio: 1 / 0.5;
   
    overflow: hidden;
    object-fit: contain;
    background: var(--bg);
}

.product-card-img img {
        width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

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

.product-card-info {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.product-card-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    transition: color 0.3s ease;
}

.product-card:hover .product-card-info {
 
}

.product-card:hover .product-card-info h3 {
    /*color: #fff;*/
}

.load-more {
    text-align: center;
    margin-top: 40px;
}

.load-more .btn {
    background: var(--white);
    color: #1591ce;
    border: 1px solid #1591ce;
}

.load-more .btn:hover {
    background: #1591ce;
    color: var(--white);
}

.product-detail-main {
       display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.product-gallery {
    flex: 0 0 480px;
}

.gallery-main {
       width: 100%;
    aspect-ratio: 1 / 1;
   
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 12px;
}

.gallery-main img {
    /*width: 100%;*/
    height: 100%;
    object-fit: contain;
    margin: 0 auto;
}

.gallery-thumbs {
         display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr;
    justify-content: flex-start;
    align-items: center;
}
.zhixun{
font-weight: 600;
font-size: 28px;
color: #1591CE;    
    
}
.dianhua{
   font-weight: 400;
font-size: 24px;
color: #1591CE; 
    margin-top: 10px;
}
.gallery-thumb {
    flex: 1;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-thumb.active {
    border-color: var(--primary);
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    flex: 1;
}
.xiaobiaoti{
  font-weight: 600;
font-size: 32px;
color: #1591CE; 
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 47px 0px 20px;
}
.product-info h1 {
   font-weight: 600;
font-size: 26px;
color: #666666;
    margin-bottom: 20px;
}

.product-specs {
  
   font-weight: 500;
font-size: 18px;
color: #666666;
 
    margin-bottom: 20px;
}

.product-specs li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-light);
   
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.product-specs li:last-child {
    border-bottom: none;
}

.product-specs li::before {
    content: '•';
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
}

.product-contact {
   
        border-radius: var(--radius);
  
    display: flex;
    gap: 30px;
    padding-top: 20px;
    align-items: center;
}

.product-contact .label {
    font-size: 13px;
    color: var(--text-lighter);
    margin-bottom: 4px;
}

.product-contact .phone {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.product-contact .managers {
    display: flex;
    gap: 20px;
}

.product-contact .manager-item {
    text-align: center;
}

.spec-table {
           
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    padding: 10px 20px;
     overflow-x: auto;
}
.spec-table p img,
.spec-table img{
    width: 100% !important;
    height: 100% !important;
}

.spec-table thead {
    background: var(--primary);
    color: var(--white);
}

.spec-table th {
    padding: 14px 16px;
    font-size: 14px;
    font-weight: 500;
    text-align: left;
}

.spec-table td {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-light);
}

.spec-table tbody tr:nth-child(even) {
    background: var(--bg);
}

.spec-table tbody tr:hover {
    background: var(--primary-lighter);
}

.spec-table .param-name {
    font-weight: 500;
    color: var(--text);
    width: 25%;
}

.spec-table-note {
    padding: 16px;
   font-weight: 400;
font-size: 24px;
color: #333333;

    margin-top: 16px;
    
}

.product-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.product-nav a {
    font-weight: 400;
font-size: 18px;
color: #262626;
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.news-item {
    display: flex;
    gap: 24px;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: pointer;
}

.news-item:hover {
    border-color: #1591ce;
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.news-item-img {
    flex: 0 0 280px;
    /*height: 180px;*/
    overflow: hidden;
}

.news-item-img img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.news-item-content {
    flex: 1;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-item-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
    transition: var(--transition);
}
.news-item:hover .news-item-content p, 
.news-item:hover .news-item-content h3 {
    color: #1591ce;
}

.news-item-content p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
       display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--text-lighter);
    justify-content: flex-end;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}





.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

/* ========== 分页版本A：小尺寸分页 .pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-light);
    padding: 0;
    text-decoration: none;
    box-sizing: border-box;
}

.pagination a:hover {
    border-color: #1591ce;
    color: #1591ce;
}

.pagination a.active {
    background: #1591ce;
    color: var(--white);
    border-color: #1591ce;
}


/* ========== 分页版本B：大按钮分页 .pagination.page ========== */
.pagination.page {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	list-style: none;
	padding: 0;
	margin: 0;
	font-family: sans-serif;
	margin-top:40px;
}

.pagination.page > * {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	/* 固定宽高，不再用padding撑开，消除active大小跳动 */
	width: 54px;
	height: 42px;
	padding: 0;
	border: 2px solid #ddd;
	border-radius: 8px;
	background-color: #fff;
	color: #333;
	font-size: 16px;
	text-decoration: none;
	cursor: pointer;
	transition: all 0.2s ease;
	box-sizing: border-box;
}

/* 上一页、下一页宽度放宽 */
.pagination.page .prev-page,
.pagination.page .next-page {
	width: 72px;
}

.pagination.page .active.page-number {
	background-color: #3f6fc0;
	border-color: #3f6fc0;
	color: #fff;
}

/* 隐藏svg，替换文字上一页、下一页 */
.pagination.page .prev-page svg,
.pagination.page .next-page svg {
	display: none;
}

.pagination.page .prev-page::before {
	content: "上一页";
}

.pagination.page .next-page::after {
	content: "下一页";
}

.pagination.page .ellipsis {
	border: none;
	background: transparent;
	cursor: default;
	width: auto;
	height: auto;
}

.pagination.page > *:hover:not(.active.page-number):not(.ellipsis) {
	border-color: #3f6fc0;
	color: #3f6fc0;
}






.news-detail-layout {
    display: flex;
    gap: 30px;
}

.news-detail-main {
    flex: 1;
    min-width: 0;
}

.news-detail-header {
       border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.news-detail-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
    line-height: 1.5;
}

.news-detail-meta {
      display: flex;
    gap: 47px;
    font-size: 13px;
    color: var(--text-lighter);
    border-top: 1px solid var(--border);
    width: 100%;
    padding: 17px 0px 0px;
    justify-content: center;
}

.news-detail-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 16px;
    text-indent: 2em;
}

.news-detail-content img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius);
    margin: 20px 0;
}

.news-detail-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.news-detail-nav a {
    font-size: 13px;
    color: var(--text-light);
    max-width: 45%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-detail-nav a:hover {
    color: #1591ce;
}

.news-sidebar {
    flex: 0 0 300px;
}

.sidebar-btn {
       display: block;
    text-align: center;
    background: #1591ce;
    color: var(--white);
    padding: 12px;
  
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    transition: var(--transition);
}

.sidebar-btn:hover {
    background: #127aab;
}

.sidebar-news-list li {
      padding: 12px;
    /* border-bottom: 1px solid var(--border-light); */
    font-size: 13px;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    background-color: #f5f5f5;
}

.sidebar-news-list{
    display: flex;
    gap: 13px;
    flex-direction: column;
}

.sidebar-news-list li:hover {
    color: #1591ce;
}

.contact-layout {
    display: flex;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.contact-info-card {
    flex: 0 0 40%;
    background: linear-gradient(135deg, #127aab 0%, #1591ce 100%);
    padding: 48px 40px;
    color: var(--white);
}

.contact-info-card .intro {
       opacity: 0.9;
    line-height: 1.8;
    margin-bottom: 24px;
    padding-bottom: 24px;
    font-weight: 500;
    font-size: 24px;
    color: #FFFFFF;
}

.contact-info-list li {
       display: grid;
    grid-template-columns: 28px 0.25fr 1fr;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
}

.contact-info-list .ci-icon {
    width: 36px;
    height: 36px;
  
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-list .ci-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--white);
}

.contact-info-list .ci-label {
  font-weight: 500;
font-size: 18px;
color: #FFFFFF;
    margin-bottom: 2px;
}

.contact-info-list .ci-value {
  font-weight: 400;
font-size: 18px;
color: #FFFFFF;
}
.mianbz{
    max-width: 1600px;
    margin: 0 auto;
    font-weight: 400;
    font-size: 19px;
    color: #666666;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    flex-direction: row;
}
.mianbz span{
  color: #1591ce;
   display: flex;
    align-items: center;
    flex-direction: row;
}
.contact-form-card {
    flex: 1;
    background: #F5F5F5;
    padding: 48px 40px;
}

.contact-form-card h3 {
    display: none;
}

.contact-form .btn-primary {
    background: #1591ce;
    width: 180px;
    height: 46px;
    margin: 30px auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    letter-spacing: 0.5em;
    text-indent: 0.5em;
    font-size: 15px;
    border-radius: 6px;
}

.contact-form .btn-primary:hover {
    background: #127aab;
}

.form-row {
    margin-bottom: 0;
}

.form-group {
    flex: 1;
    margin-bottom: 18px;
}

.form-group label {
    display: none;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
    background: #FFFFFF;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: #1591ce;
    box-shadow: 0 0 0 3px rgba(21, 145, 206, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #AAAAAA;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-map {
    margin-top: 40px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.contact-map iframe {
    width: 100%;
    height: 360px;
    border: 0;
    display: block;
}

.patent-grid {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    justify-content: center;
    gap: 20px;
}

.patent-card {
    
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
  
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.patent-card:hover {
    border-color: #1591ce;
    box-shadow: 0 8px 30px rgba(21, 145, 206, 0.15);
    transform: translateY(-4px);
}

.patent-card-img {
       width: 100%;
    flex: 1;
  
    display: flex;
}

.patent-cert {
    width: 100%;
    height: 100%;
    background: var(--white);
    border: 2px solid #d4e8d4;
    border-radius: var(--radius-sm);
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.patent-cert::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px solid #e8f5e9;
    border-radius: 2px;
    pointer-events: none;
}

.patent-cert .cert-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.patent-cert .cert-logo {
    width: 32px;
    height: 32px;
    background: #c62828;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
}

.patent-cert .cert-title {
    font-size: 14px;
    font-weight: 700;
    color: #333;
}

.patent-cert .cert-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.patent-cert .cert-inventor {
    font-size: 11px;
    color: var(--text-light);
}

.patent-cert .cert-name {
    font-size: 15px;
    font-weight: 700;
    color: #2e7d32;
    line-height: 1.4;
    padding: 0 10px;
}

.patent-cert .cert-seal {
    width: 50px;
    height: 50px;
    border: 2px solid #c62828;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c62828;
    font-size: 9px;
    font-weight: 700;
    text-align: center;
    line-height: 1.2;
    transform: rotate(-10deg);
    opacity: 0.8;
}

.patent-card-info {
    padding: 14px;
    text-align: center;
}

.patent-card-info h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
}

.footer {
    background: #F5F5F5;
    color: #666;
    padding: 50px 0 0;
}

.footer-main {
    display: flex;
    gap: 40px;
    padding-bottom: 40px;
    
}

.footer-col {
    flex: 1;
}

.footer-col-large {
    flex: 1.5;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    width: 80px;
    padding: 0 10px;
    font-size: 12px;
}

.footer-logo .cn {
   font-weight: bold;
font-size: 26px;
color: #414141;
}

.footer-logo .en {
  font-weight: normal;
font-size: 16px;
color: #666666;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.footer-qr {
        display: flex;
    align-items: flex-start;
    gap: 12px;
    flex-direction: column;
    margin: 30px 0px 0px 89px;
}

.footer-qr-img {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-qr-img svg {
    width: 64px;
    height: 64px;
}

.footer-qr-text {
    font-size: 12px;
    line-height: 1.6;
    color: #999;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: #333;
    margin-bottom: 18px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 13px;
    color: #666;
}

.footer-links a:hover {
    color: #1591ce;
    padding-left: 4px;
}

.footer-contact li {
       display: grid;
    grid-template-columns: 20px 0.25fr 1fr;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: #666;
}

.footer-contact svg {
    width: 16px;
    height: 16px;
    fill: #999;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
      border-top: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    font-size: 16px;
    color: #999;
}
.footer-bottom .nr{
   width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom a {
        color: #362d2d;
}

.footer-bottom a:hover {
    color: #1591ce;
}

.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(13, 108, 183, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 2000;
    transition: right 0.3s ease;
    flex-direction: column;
    padding: 20px 0;
    overflow-y: auto;
}

.mobile-menu.open {
    right: 0;
     display: block;
}

.mobile-menu a {
    display: block;
    padding: 14px 24px;
    font-size: 15px;
    color: var(--text);
    border-bottom: 1px solid var(--border-light);
}

.mobile-menu a:hover,
.mobile-menu a.active {
    color: var(--primary);
    background: var(--primary-light);
}

.mobile-menu-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-light);
}

.menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1500;
}

.menu-overlay.show {
    display: block;
}
@media (max-width: 1550px) {
   .nav a {
 
    font-size: 13px;
   
} 
 .logo-text .cn {
    font-size: 18px;
  
}   
    
    
}
@media (max-width: 1024px) {
    .product-detail-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}
    .nav {
        display: none;
    }
    .mobile-toggle {
        display: flex;
    }
    .hero-tagline {
        font-size: 30px;
    }
    .hero-desc .num-large {
        font-size: 42px;
    }
    .hero-desc .text-medium {
        font-size: 32px;
    }
    .hot-products-title h2 {
        font-size: 32px;
    }
    .hot-product-card {
        flex: 0 0 380px;
       
    }
    .spec-panel {
        padding: 20px 30px 16px;
    }
    .customers-title h2 {
        font-size: 32px;
    }
    .customers-grid {
        grid-template-columns: repeat(4, 1fr);
        padding: 0 16px;
    }
    .customer-cell {
        grid-column: span 1;
    }
    .customer-cell:nth-child(7) {
        grid-column-start: auto;
    }
    .about-hero h1 {
        font-size: 48px;
    }
    .about-subtitle {
        font-size: 22px;
    }
    .about-intro {
        flex-direction: column;
    }
    .about-intro-img {
        flex: none;
        width: 100%;
    }
    .about-intro-img img {
        height: 400px;
    }
    .about-showcase {
        flex-direction: column;
    }
    .about-showcase-img {
        flex: none;
        width: 100%;
    }
    .about-showcase-img img {
        height: 400px;
    }
    .about-features {
        flex-wrap: wrap;
    }
    .feature-card {
        width: calc(50% - 12px);
        height: 260px;
    }
    .product-grid {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
    .product-card {
        width: 100%;
        max-width: 780px;
        margin: 0 auto;
        height: 360px;
    }
    .product-card-img {
        height: 290px;
    }
    .patent-grid {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
    .patent-card {
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
        height: 600px;
    }
    .product-detail-main {
        flex-direction: column;
    }
    .product-gallery {
        flex: none;
        width: 100%;
    }
    .news-detail-layout {
        flex-direction: column;
    }
    .news-sidebar {
        flex: none;
        width: 100%;
    }
    .contact-layout {
        flex-direction: column;
    }
    .contact-info-card {
        flex: none;
        width: 100%;
    }
    .contact-form-card {
        width: 100%;
    }
    .product-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    flex-direction: column;
}
}

@media (max-width: 768px) {
    .form-group input,
    .form-group textarea,
    .form-group select {
   
    font-size: 10px;
   
}
    .about-hero {
    padding: 41px 0 0px;
    
}
    .mianbz {
    
    font-size: 11px;
    
}
    .why-card {
   
    padding: 14px 20px;
    
}
    .container {
        padding: 0 16px;
    }
    .section {
        padding: 40px 0;
    }
    .section-title h2 {
        font-size: 24px;
    }
    .header-top {
        display: none;
    }
    .logo-text .cn {
        font-size: 10px;
    }
    .logo-text .en {
        font-size: 9px;
    }
    .hero {
        height: 500px;
    }
    .hero-tagline {
        font-size: 24px;
    }
    .hero-desc .num-large {
        font-size: 32px;
    }
    .hero-desc .text-medium {
        font-size: 24px;
    }
    .why-choose {
        flex-direction: column;
        gap: 16px;
    }
    .hot-product-list {
        flex-direction: column;
        gap: 24px;
    }
    .hot-product-card {
        flex: none;
        width: 100%;
        max-width: 400px;
       
        margin: 0 auto;
    }
    .spec-panel {
        padding: 20px 24px 16px;
    }
    .hot-products-title h2 {
        font-size: 28px;
    }
    .customers-title h2 {
        font-size: 28px;
    }
    .customers-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .why-title h2 {
        font-size: 28px;
    }
    .why-card h3 {
        font-size: 20px;
    }
    .about-hero h1 {
        font-size: 36px;
        letter-spacing: 16px;
    }
    .about-subtitle {
        font-size: 15px;
    }
    .about-features {
        flex-direction: column;
        gap: 16px;
    }
    .feature-card {
        width: 100%;
        max-width: 360px;
        margin: 0 auto;
        height: 240px;
    }
    .feature-num {
        font-size: 32px;
    }
    .product-card {
        width: 100%;
        height: 300px;
    }
    .product-card-img {
        height: 230px;
    }
    .news-item {
        flex-direction: column;
    }
    .news-item-img {
        flex: none;
        width: 100%;
        /*height: 200px;*/
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .patent-card {
        width: 100%;
        height: 500px;
    }
    .footer-main {
        flex-direction: column;
        gap: 30px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    .spec-table {
        font-size: 12px;
    }
   
    .spec-table th,
    .spec-table td {
        padding: 4px 1px;
    }
    .back-to-top {
        right: 16px;
        bottom: 16px;
        width: 42px;
        height: 42px;
    }
     .spec-table td span,
    .spec-table td {
    
    font-size: 8px !important;
   
}
.contact-info-list .ci-label {
  
    font-size: 9px;
   
}
.contact-info-list .ci-icon {
    width: 30px;
    height: 19px;
    
}
.contact-info-list .ci-value {
 
    font-size: 10px;
   
}
.contact-info-list li {
    display: grid;
    grid-template-columns: 28px 0.3fr 1fr;
    align-items: start;
    gap: 8px;
    margin-bottom: 20px;
}
.contact-info-card .intro {
    
    margin-bottom: 24px;
    padding-bottom:10px;
    font-weight: 500;
    font-size: 14px;
    
}
    .spec-table td {
        width: auto !important;
    }
.spec-table table{
   min-width: auto !important; 
}
}

@media (max-width: 480px) {
    .hero-tagline {
        font-size: 20px;
    }
    .hero-desc .num-large {
        font-size: 26px;
    }
    .hero-desc .text-medium {
        font-size: 20px;
    }
    .section-title h2 {
        font-size: 20px;
    }
    .hot-products-title h2 {
        font-size: 22px;
    }
    .customers-title h2 {
        font-size: 22px;
    }
    .customers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-banner {
        height: 180px;
    }
    .page-banner h1 {
        font-size: 26px;
    }
    .about-hero h1 {
        font-size: 28px;
    }
    .about-subtitle {
        font-size: 16px;
    }
    .about-section-title h2 {
        font-size: 22px;
    }
    .product-card {
        height: 260px;
    }
    .product-card-img {
        height: 190px;
    }
    .patent-card {
       
    }
    .product-search input {
        width: 140px;
    }
}