/* 
 * 北京中科光析科学技术研究所 - 官方网站样式
 * 主色调: #183883 (深蓝色)
 * 辅助色: #f0f0f0 (浅灰色)
 */

/* ===== 基础重置与变量 ===== */
:root {
    --primary-color: #183883;
    --primary-light: #2a4a9c;
    --primary-dark: #0f265e;
    --secondary-color: #f0f0f0;
    --bg-light: #f5f8ff;
    --border-blue: #c0d2f5;
    --text-dark: #333333;
    --text-gray: #666666;
    --text-light: #999999;
    --white: #ffffff;
    --black: #000000;
    --shadow: 0 2px 10px rgba(24, 56, 131, 0.1);
    --shadow-hover: 0 8px 30px rgba(24, 56, 131, 0.2);
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

/* ===== 容器布局 ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 10px;
}

.section {
    padding: 20px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.section-title p {
    font-size: 16px;
    color: var(--text-gray);
}

.section-title .line {
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 15px auto 0;
}

/* ===== 顶部信息栏 ===== */
.top-bar {
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 13px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.top-bar .contact-info {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.top-bar .contact-info span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar .contact-info i {
    font-size: 14px;
    opacity: 0.9;
}

/* ===== 导航栏 ===== */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: relative;
    z-index: 100;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-hover);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

/* 滚动时导航栏固定效果 */
.header.sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-hover);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    font-weight: bold;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo-text span {
    display: block;
    font-size: 12px;
    color: var(--text-gray);
    font-weight: normal;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    gap: 5px;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: 12px 18px;
    color: var(--text-dark);
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    transform: scaleX(1);
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow-hover);
    border-radius: 8px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

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

.dropdown-menu a {
    padding: 10px 20px;
    font-size: 14px;
    border-bottom: 1px solid var(--secondary-color);
}

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

.dropdown-menu a:hover {
    background: var(--bg-light);
    padding-left: 25px;
}

/* 咨询按钮 */
.btn-consult {
    background: var(--primary-color);
    color: var(--white);
    padding: 12px 25px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-consult:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(24, 56, 131, 0.3);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

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

/* ===== Banner区域 ===== */
.banner {
    position: relative;
    height: 860px;
    overflow: hidden;
    display: flex;
    align-items: center;
    z-index: 1;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(24, 56, 131, 0.9) 0%, rgba(24, 56, 131, 0.7) 50%, rgba(24, 56, 131, 0.5) 100%);
    z-index: 2;
}

.banner-content {
    position: relative;
    z-index: 3;
    color: var(--white);
    max-width: 900px;
}

.banner-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 25px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
}

.banner-desc {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    max-width: 800px;
}

/* 优势数值文案样式 */
.banner-advantages {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.advantage-item {
    text-align: center;
    min-width: 120px;
}

.advantage-number {
    font-size: 36px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
}

.advantage-number::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: #ffffff;
    border-radius: 2px;
}

.advantage-text {
    font-size: 14px;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.banner-btns {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    padding: 15px 35px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    padding: 15px 35px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 2px solid var(--white);
    transition: var(--transition);
}

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

/* ===== 检测分类 ===== */
.categories {
    background: var(--bg-light);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.category-card {
    background: var(--white);
    border-radius: 12px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--shadow);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
}

.category-icon {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: white;
}

.category-card:nth-child(1) .category-icon {
    background-color: #3498db;
}

.category-card:nth-child(2) .category-icon {
    background-color: #27ae60;
}

.category-card:nth-child(3) .category-icon {
    background-color: #e74c3c;
}

.category-card:nth-child(4) .category-icon {
    background-color: #f39c12;
}

.category-card:nth-child(5) .category-icon {
    background-color: #9b59b6;
}

.category-card:nth-child(6) .category-icon {
    background-color: #1abc9c;
}

.category-card:nth-child(7) .category-icon {
    background-color: #34495e;
}

.category-card:nth-child(8) .category-icon {
    background-color: #e67e22;
}

.category-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.category-card p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===== 关于我们 ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border-blue);
}

.stat-item h4 {
    font-size: 36px;
    color: var(--primary-color);
    font-weight: 700;
}

.stat-item p {
    font-size: 14px;
    color: var(--text-gray);
    margin-top: 5px;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background: var(--primary-color);
    border-radius: 12px;
    z-index: -1;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    border: 3px solid var(--border-blue);
    border-radius: 12px;
    z-index: -1;
}

/* ===== 文章资讯 ===== */
.news-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.news-tab {
    padding: 10px 25px;
    background: var(--white);
    border: 1px solid var(--border-blue);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.news-tab:hover,
.news-tab.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.news-image {
    height: 180px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

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

.news-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 12px;
}

.news-content {
    padding: 25px;
}

.news-content h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-content p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-light);
}

.read-more {
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.read-more:hover {
    gap: 10px;
}

/* ===== 检测优势 ===== */
.advantages {
    color: var(--primary-color);
}

.advantages .section-title h2,
.advantages .section-title p {
    color: var(--primary-color);
}

.advantages .section-title .line {
    background: var(--primary-color);
}

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

.advantage-item {
    text-align: center;
    padding: 30px;
    background: var(--primary-color);
    border-radius: 12px;
    transition: var(--transition);
    color: var(--white);
}

.advantage-item:hover {
    background: #163376;
    transform: translateY(-5px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
}

.advantage-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--white);
}

.advantage-item p {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.6;
    color: var(--white);
}

/* ===== 检测流程 ===== */
.process {
    background: var(--bg-light);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: var(--border-blue);
    z-index: 1;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 2;
    flex: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--white);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

.process-step h4 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.process-step p {
    font-size: 13px;
    color: var(--text-gray);
}

/* ===== 文章展示 ===== */
.articles {
    padding: 80px 0;
    background-image: url('../images/banner-bg.jpg');
    background-size: cover;
    background-position: center;
    background-color: rgba(249, 249, 249, 0.95);
    background-blend-mode: overlay;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.article-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 20px;
}

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

.article-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-content h4 {
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card:hover .article-content h4 {
    color: var(--primary-color);
}

.article-content p {
    font-size: 12px;
    color: var(--text-gray);
    line-height: 1.4;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    font-size: 12px;
    color: var(--text-light);
}

/* ===== 资质展示 ===== */
.certificates {
    background: var(--bg-light);
    padding: 40px 16px;
    margin-top: 20px;
}

.certificate-slider {
    max-width: 100%;
    margin: 0 auto;
    margin-top: 40px;
}

.certificate-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.certificate-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

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

.certificate-item img {
    max-width: 100%;
    max-height: 150px;
    object-fit: contain;
    margin-bottom: 15px;
}

.certificate-item p {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
    text-align: center;
}

/* ===== 合作客户 ===== */
.clients {
    padding: 80px 0;
}

.clients .client-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.client-item {
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    font-size: 14px;
    color: var(--text-gray);
    border: 1px solid var(--border-blue);
}

.client-logo {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.client-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

/* ===== 仪器展示 ===== */
.instrument-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.instrument-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.instrument-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.instrument-image {
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.instrument-image img {
    height: 208px;
    max-width: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.instrument-card:hover .instrument-image img {
    transform: scale(1.1);
}

.instrument-info {
    padding: 20px;
    text-align: center;
}

.instrument-info h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.instrument-info p {
    font-size: 13px;
    color: var(--text-gray);
}

/* ===== 引导咨询区域 ===== */
.consult-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 16px;
    padding: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    margin: 60px 0;
}

.consult-banner-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.8);
}

.consult-banner-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.consult-banner-content {
    color: var(--white);
    text-align: left;
    flex: 1;
}

.consult-banner-content h3 {
    font-size: 28px;
    margin-bottom: 15px;
    text-align: left;
}

.consult-banner-content p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 10px;
    text-align: left;
}

.consult-banner-btn {
    background: var(--white);
    color: var(--primary-color);
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition);
}

.consult-banner-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 20px;
    padding-bottom:40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-icon {
    width: 45px;
    height: 45px;
    background: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 18px;
    font-weight: bold;
}

.footer-logo-text {
    font-size: 18px;
    font-weight: 600;
}

.footer-section p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 15px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 0;
    font-size: 14px;
    opacity: 0.8;
}

.footer-contact li div p {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.footer-contact i {
    margin-top: 3px;
}

.footer-qrcode {
    width: 120px;
    height: 120px;
    background: var(--white);
    border-radius: 8px;
    padding: 10px;
    margin-top: 15px;
}

.footer-qrcode img {
    width: 100%;
    height: 100%;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom p {
    font-size: 13px;
    opacity: 0.6;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    font-size: 13px;
    opacity: 0.6;
}

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

/* 二维码区域样式 */
.footer-qrcodes {
    padding: 30px 0;
    margin: 30px 0;
    border-radius: 8px;
}

.qrcode-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    justify-items: center;
}

.qrcode-item {
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.qrcode-item img {
    width: 120px;
    height: 120px;
    margin-bottom: 10px;
}

.qrcode-item p {
    margin: 5px 0;
    font-size: 12px;
    color: #fff;
}

/* 联系方式详情样式 */
.new-contact-details {
    margin: 50px 0;
}

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

.new-contact-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.new-contact-card:hover {
    transform: translateY(-5px);
}

.new-contact-card-icon {
    font-size: 36px;
    color: #007bff;
    margin-bottom: 20px;
}

.new-contact-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.new-contact-card-content {
    color: #666;
    line-height: 1.6;
}

.new-contact-card-content p {
    margin-bottom: 10px;
}

.btn-consult-small {
    display: inline-block;
    background-color: #007bff;
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    margin-top: 15px;
    transition: background-color 0.3s ease;
}

.btn-consult-small:hover {
    background-color: #0069d9;
}

/* 社交媒体样式 */
.new-social-section {
    margin: 50px 0;
}

.new-social-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.new-social-item {
    text-align: center;
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.new-social-item img {
    width: 120px;
    height: 120px;
    margin-bottom: 10px;
}

.new-social-item p {
    margin: 5px 0;
    font-size: 12px;
    color: #333;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .qrcode-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .footer-qrcodes {
        padding: 20px 0;
    }
    
    .qrcode-item {
        padding: 15px;
    }
    
    .qrcode-item img {
        width: 90px;
        height: 90px;
    }
    
    .qrcode-item p {
        font-size: 11px;
    }
    
    /* 联系方式详情移动端适配 */
    .new-contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .new-contact-card {
        padding: 20px;
    }
    
    /* 社交媒体移动端适配 */
    .new-social-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .new-social-item {
        padding: 15px;
    }
    
    .new-social-item img {
        width: 90px;
        height: 90px;
    }
    
    .new-social-item p {
        font-size: 11px;
    }
}


/* ===== 面包屑导航 ===== */
.breadcrumb {
    background: var(--bg-light);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-blue);
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

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

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

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

.breadcrumb-content .current {
    color: var(--primary-color);
}

/* ===== 列表页样式 ===== */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding: 60px 0;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 16px;
    opacity: 0.9;
}

.list-content {
    display: grid;
    grid-template-columns: 1fr;
    padding: 40px 0;
}

.article-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.article-item {
    background: #efeaea;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    padding: 20px;
}

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

.article-image {
    flex: 0 0 240px;
    height: 160px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.article-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/instrument-bg.png') center/cover;
    opacity: 0.3;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.article-info {
    display: flex;
    flex-direction: column;
}

.article-info h3 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    transition: var(--transition);
}

.article-item:hover .article-info h3 {
    color: var(--primary-color);
}

.article-info p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
}

.article-meta {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.4;
}

/* 侧边栏 */
.sidebar-section {
    background: var(--white);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.sidebar-section h4 {
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-blue);
}

.sidebar-links li {
    margin-bottom: 12px;
}

.sidebar-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-gray);
    padding: 8px 0;
}

.sidebar-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.sidebar-links a::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--border-blue);
    border-radius: 50%;
    transition: var(--transition);
}

.sidebar-links a:hover::before {
    background: var(--primary-color);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    background: var(--white);
    border: 1px solid var(--border-blue);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-dark);
    transition: var(--transition);
}

.pagination b {line-height:40px;}

.pagination a:hover,
.pagination a.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.pagination span {
    color: var(--text-light);
}

/* ===== 内容页样式 ===== */
.article-detail {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.article-header {
    border-bottom: 1px solid var(--border-blue);
    padding-bottom: 25px;
    margin-bottom: 30px;
}

.article-header h1 {
    font-size: 28px;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-header-meta {
    display: flex;
    gap: 25px;
    font-size: 14px;
    color: var(--text-gray);
}

.article-header-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
}

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

.article-body h2 {
    font-size: 22px;
    color: var(--primary-color);
    margin: 35px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-blue);
}

.article-body h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin: 25px 0 15px;
}

.article-body ul,
.article-body ol {
    margin-bottom: 20px;
    padding-left: 25px;
}

.article-body ul li {
    list-style: disc;
    margin-bottom: 8px;
}

.article-body ol li {
    list-style: decimal;
    margin-bottom: 8px;
}

.article-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 20px auto;
}

/* 上下篇导航 */
.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-blue);
}

.article-nav-item {
    background: var(--primary-color);
    color: var(--white);
    padding: 20px;
    border-radius: 8px;
}

.article-nav-item span {
    display: block;
    font-size: 12px;
    margin-bottom: 8px;
    opacity: 0.9;
}

.article-nav-item h4 {
    font-size: 15px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-nav-item.next {
    text-align: right;
}

/* 内容页引导咨询 */
.article-consult {
    display: flex;
    align-items: center;
    border: none;
    background-color: #e0e8ff;
    padding: 20px;
    margin: 30px 0;
    gap: 20px;
    border-radius: 12px;
}

.article-consult-image {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-consult-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-left: 20px;
}

.article-consult-content h4 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.article-consult-content p {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 15px;
}

.article-consult-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 500;
    transition: var(--transition);
}

.article-consult-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

/* 推荐文章区域样式 */
.related-articles {
    background: var(--bg-light);
    margin-top: 40px;
    border-radius: 8px;
    overflow: hidden;
}

.related-articles .container {
    position: relative;
}

.related-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.related-article-item {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.related-article-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.4;
}

.related-article-item p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-gray);
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-article-item .read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.related-article-item .read-more:hover {
    color: var(--primary-light);
}

.related-article-item .read-more i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.related-article-item .read-more:hover i {
    transform: translateX(5px);
}

/* ===== 资质认证页 ===== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* ===== 悬浮客服咨询框 ===== */
.float-service {
    position: fixed;
    right: -250px;
    top: 30%;
    transform: translateY(-50%);
    width: 200px;
    background: var(--white);
    border-radius: 12px 0 0 12px;
    box-shadow: var(--shadow-hover);
    z-index: 9999;
    transition: right 0.3s ease;
}

.float-service.show {
    right: 0;
}

.float-service-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 12px 0 0 0;
}

.float-service-header h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 16px;
}

.float-close {
    cursor: pointer;
    font-size: 18px;
    transition: transform 0.2s ease;
}

.float-close:hover {
    transform: rotate(90deg);
}

.float-service-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.float-service-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 20px;
}

.float-service-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.float-service-content {
    margin-bottom: 20px;
    line-height: 1.5;
    color: var(--text-gray);
}

.float-service-content p {
    margin: 0;
    font-size: 14px;
}

.float-service-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.float-service-item:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.float-service-item i {
    font-size: 24px;
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
}

.float-service-item h5 {
    margin: 0 0 5px 0;
    font-size: 14px;
    color: var(--text-dark);
}

.float-service-item p {
    margin: 0;
    font-size: 12px;
    color: var(--text-gray);
}

.float-service-btn {
    display: block;
    width: 100%;
    background: var(--primary-color);
    color: var(--white);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    transition: all 0.2s ease;
}

.float-service-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

/* 悬浮触发按钮 */
.float-trigger {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 9998;
    transition: all 0.2s ease;
}

.float-trigger:hover {
    background: var(--primary-light);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-hover);
}

.float-trigger i {
    font-size: 24px;
}

.cert-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.cert-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.cert-image {
    height: 350px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.cert-image-icon {
    height: auto;
    min-height: 200px;
}

.cert-image img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.cert-info {
    padding: 25px;
    text-align: center;
}

.cert-info h4 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.cert-info p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 15px;
}

.cert-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 20px;
    border-radius: 15px;
    font-size: 12px;
}

/* ===== 关于我们页 ===== */
.about-page-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    padding: 40px 0;
}

.about-sidebar {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.about-sidebar-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 20px;
}

.about-sidebar-header h3 {
    font-size: 18px;
}

.about-sidebar-menu a {
    display: block;
    padding: 15px 20px;
    font-size: 14px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--secondary-color);
    transition: var(--transition);
}

.about-sidebar-menu a:hover,
.about-sidebar-menu a.active {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 25px;
}

.about-main {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.about-main h2 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-blue);
}

.about-main p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-main h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin: 30px 0 15px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

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

.team-avatar {
    width: 120px;
    height: 120px;
    background: var(--bg-light);
    border-radius: 50%;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--primary-color);
}

.team-card h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.team-card p {
    font-size: 13px;
    color: var(--text-gray);
}

/* 联系信息 */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 12px;
}

.contact-info-item i {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-info-item div h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.contact-info-item div p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}



/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .instrument-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        gap: 0;
    }
    .page-header {display:none;}
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        border-bottom: 1px solid var(--secondary-color);
    }
    
    .nav-menu a {
        padding: 15px;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .btn-consult {
        display: none;
    }
    
    .banner {
        height: 500px;
    }
    
    .banner-content h1 {
        font-size: 32px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .process-step {
        flex: 0 0 calc(50% - 15px);
    }
    
    .list-content {
        grid-template-columns: 1fr;
    }
    
    .article-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sidebar {
        order: -1;
    }
    
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-page-content {
        grid-template-columns: 1fr;
    }
    
    .about-sidebar {
        position: static;
    }
    
    .consult-banner {
        flex-direction: column;
        text-align: center;
    }
    

}

@media (max-width: 768px) {
    /* 容器内边距调整 */
    .container {
        padding: 15px;
        box-sizing: border-box;
    }
    .section {
        padding: 10px 0;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .top-bar .contact-info {
        gap: 15px;
    }
    
    .top-bar .contact-info span {
        font-size: 12px;
    }
    
    /* 隐藏悬浮客服咨询框 */
    .float-service {
        display: none;
    }
    
    .float-trigger {
        display: none;
    }
    
    .banner {
        height: auto;
        min-height: 400px;
    }
    
    .banner-title {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .banner-desc {
        font-size: 14px;
        margin-bottom: 25px;
    }
    
    .banner-advantages {
        gap: 20px;
        margin-bottom: 25px;
    }
    
    .advantage-number {
        font-size: 24px;
    }
    
    .advantage-text {
        font-size: 12px;
    }
    
    .banner-btns {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 12px 25px;
        font-size: 14px;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex: 0 0 100%;
    }
    
    .instrument-grid {
        grid-template-columns: 1fr;
    }
    /* 技术文章区域 */
    .article-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .article-card {
        padding: 20px;
    }
    .article-content h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    .article-content p {
        font-size: 14px;
        margin-bottom: 12px;
    }
    .article-meta {
        font-size: 13px;
    }
    
    /* 新闻资讯区域 */
    .news-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .news-card {
        flex-direction: row;
    }
    .news-image {
        width:100%;
        margin-right: 20px;
        margin-bottom: 0;
    }
    .about-stats {display:none;}
    .news-content {
        flex: 1;
    }
    .news-content h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    .news-content p {
        font-size: 14px;
        margin-bottom: 12px;
    }
    .news-meta {
        font-size: 13px;
    }
    
    /* 调整footer布局，让快速链接和检测服务在一行显示 */
    .footer-content {
        display: flex;
        flex-wrap: wrap;
        gap: 30px;
    }
    
    /* 网站信息和联系我们占满整行 */
    .footer-content > .footer-section:nth-child(1),
    .footer-content > .footer-section:nth-child(4) {
        flex: 0 0 100%;
    }
    
    /* 快速链接和检测服务各占50%宽度 */
    .footer-content > .footer-section:nth-child(2),
    .footer-content > .footer-section:nth-child(3) {
        flex: 0 0 calc(50% - 15px);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .article-list {
        grid-template-columns: 1fr;
    }
    
    .article-item {
        flex-direction: column;
    }
    
    .article-image {
        flex: 0 0 auto;
        width: 100%;
    }
    
    .article-info {
        padding: 20px;
    }
    
    .article-nav {
        grid-template-columns: 1fr;
    }
    
    .article-nav-item.next {
        text-align: left;
    }
    
    .article-consult {
        flex-direction: column;
        text-align: center;
    }

    /* 咨询按钮居中 */
    .article-consult-btn {
        display: block;
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }

    /* 调整文章详情页宽度和内间距 */
    .article-detail {
        padding: 0;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .list-content {
        padding: 0 15px;
        box-sizing: border-box;
    }
    
    .article-detail-section {
        max-width: 100%;
    }
    
    /* 移动端隐藏发布时间区域 */
    .article-header-meta {
        display: none;
    }
    .article-header {
        margin-bottom: 0;
        padding-bottom: 0;
    }
    
    /* 移动端资质认证样式调整 */
    .certificates {
        padding: 20px 0;
    }
    
    .certificate-slider {
        overflow: hidden;
        margin-top: 0;
    }
    
    .certificate-track {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .certificate-item {
        flex: 0 0 calc(50% - 7.5px);
        text-align: center;
    }
    
    .certificate-item img {
        max-width: 100%;
        height: auto;
        max-height: 100px;
    }
    
    .certificate-item p {
        font-size: 12px;
        margin-top: 8px;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
    /* 合作客户区域 - 移动端优化 */
    .clients .client-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .clients .client-item {
        padding: 30px;
        text-align: center;
        background-color: #f9f9f9;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    .clients .client-logo {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 150px;
    }
    .clients .client-logo img {
        max-height: 120px;
        max-width: 100%;
        object-fit: contain;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 12px;
    }
    
    .logo-text span {
        font-size: 10px;
    }
    
    .logo-icon {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .header .container {
        padding: 0 15px;
    }
    
    .banner {
        height: auto;
        min-height: 350px;
    }
    
    .banner-title {
        font-size: 20px;
    }
    
    .banner-advantages {
        gap: 15px;
    }
    
    .advantage-number {
        font-size: 20px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}


/*商务通*/
.jesong-bottomPanel-item-content img {margin:0 auto;}
.jesong-bottomPanel-item-content {background:#183883!important;}



.article-body ul {width:100%;padding:0;} 
.article-body li {display:inline-block;margin-right:5px!important;margin-left:0px!important;margin-top:5px;padding:4px;background:#9ecdfb4d;color:#000;border-radius:5px;border: 1px dashed #ccc;list-style:none;}
.article-body li a {color:#000;font-weight:400;}