/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-outline:hover {
    background: white;
    color: #667eea;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

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

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #667eea;
    transition: width 0.3s ease;
}

.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    min-width: 220px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 10px 0;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

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

.dropdown-item {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0;
}

.dropdown-item:hover {
    background: #f0f4ff;
    color: #667eea;
    padding-left: 25px;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 30px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(255, 255, 255, 0.95);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

/* 主页横幅 */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    width: 100%;
    text-align: center;
    color: white;
}

.slide-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.slide-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
}

.hero-prev,
.hero-next {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-prev:hover,
.hero-next:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* 通用区块样式 */
section {
    padding: 80px 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #333;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 服务概览 */
.services-overview {
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: left 0.5s ease;
    z-index: 0;
}

.service-card:hover::before {
    left: 0;
}

.service-card:hover {
    transform: translateY(-10px);
    color: white;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
    transition: color 0.3s ease;
}

.service-card:hover .service-icon {
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
    transition: color 0.3s ease;
}

.service-card:hover h3 {
    color: white;
}

.service-card p {
    color: #666;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.service-card:hover p {
    color: rgba(255, 255, 255, 0.9);
}

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

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.about-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature i {
    font-size: 2rem;
    color: #667eea;
    width: 50px;
}

.feature h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: #333;
}

.feature p {
    color: #666;
    margin: 0;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* 数据统计 */
.stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 10px;
    display: block;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 联系我们 */
.contact {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

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

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

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
    margin-top: 5px;
    width: 30px;
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: #333;
}

.contact-item p {
    color: #666;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

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

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

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

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

.footer-section ul li a:hover {
    color: white;
}

.footer-section ul li i {
    margin-right: 10px;
    width: 20px;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #34495e;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #667eea;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.back-to-top.show {
    display: flex;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 70px;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.page-header p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.6);
}

/* 服务详情样式 */
.services-detail {
    padding: 80px 0;
}

.service-section {
    margin-bottom: 100px;
}

.service-section:last-child {
    margin-bottom: 0;
}

.service-content {
    display: grid;
    /* grid-template-columns: 1fr 1fr; */
    gap: 60px;
    align-items: center;
}

.service-section.reverse .service-content {
    direction: rtl;
}

.service-section.reverse .service-text {
    direction: ltr;
}

.service-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 15px;
}

.service-text h2 i {
    color: #667eea;
    font-size: 2rem;
}

.service-text p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.service-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feature-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #333;
}

.feature-item p {
    font-size: 0.95rem;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

.service-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* 测试流程样式 */
.testing-process {
    background: #f8f9fa;
    padding: 80px 0;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 20px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    z-index: 0;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

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

/* 响应式设计 - 服务页面 */
@media (max-width: 991px) {
    .page-header {
        padding: 100px 0 60px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .service-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .service-section.reverse .service-content {
        direction: ltr;
    }
    
    .service-features {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 40px;
    }
    
    .process-steps::before {
        display: none;
    }
}

@media (max-width: 767px) {
    .page-header {
        padding: 80px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .service-text h2 {
        font-size: 1.8rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .service-text h2 i {
        font-size: 1.5rem;
    }
    
    .feature-item {
        padding: 15px;
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.2rem;
    }
    
    .step-content h3 {
        font-size: 1.1rem;
    }
    
    .step-content p {
        font-size: 0.9rem;
    }
}
/* 联系页面样式 */
.contact-page {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-info-section h2,
.contact-form-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #333;
    position: relative;
}

.contact-info-section h2::after,
.contact-form-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 联系方式样式 */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.method-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.method-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #333;
}

.method-content p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 详细联系表单样式 */
.contact-form-detailed {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.form-group select {
    cursor: pointer;
}

/* 复选框样式 */
.checkbox-group {
    margin: 25px 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #ddd;
    border-radius: 3px;
    position: relative;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-label a {
    color: #667eea;
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* 大按钮样式 */
.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* 地图区域样式 */
.map-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.map-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #333;
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.map-placeholder {
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.map-placeholder i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.8;
}

.map-placeholder p {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.map-placeholder small {
    opacity: 0.8;
    font-size: 1rem;
}

/* 响应式设计 - 联系页面 */
@media (max-width: 991px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-form-detailed {
        padding: 30px 20px;
    }
}

@media (max-width: 767px) {
    .contact-method {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .method-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin: 0 auto;
    }
    
    .contact-form-detailed {
        padding: 25px 15px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .btn-large {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .map-placeholder {
        height: 300px;
    }
    
    .map-placeholder i {
        font-size: 3rem;
    }
    
    .map-placeholder p {
        font-size: 1rem;
    }
}

@media (max-width: 479px) {
    .contact-page {
        padding: 60px 0;
    }
    
    .map-section {
        padding: 60px 0;
    }
    
    .contact-methods {
        gap: 20px;
    }
    
    .contact-method {
        padding: 20px 15px;
    }
    
    .checkbox-label {
        font-size: 0.85rem;
    }
}
/* 案例展示页面样式 */
.case-filter {
    background: #f8f9fa;
    padding: 40px 0;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid #e9ecef;
    background: white;
    color: #666;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
}

/* 案例网格 */
.cases-showcase {
    padding: 80px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
}

.case-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.case-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.case-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 3;
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-info {
    text-align: center;
    color: white;
    padding: 20px;
}

.case-category {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.case-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.case-info p {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.5;
}

.case-content {
    padding: 25px;
}

.case-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.case-type,
.case-duration {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    color: #666;
}

.case-type i,
.case-duration i {
    color: #667eea;
}

.case-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
}

.case-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.case-results {
    display: flex;
    gap: 20px;
    padding-top: 15px;
    border-top: 1px solid #e9ecef;
}

.result-item {
    text-align: center;
    flex: 1;
}

.result-item strong {
    display: block;
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 5px;
}

.result-item span {
    font-size: 1.1rem;
    font-weight: bold;
    color: #667eea;
}

/* 客户评价样式 */
.client-testimonials {
    background: #f8f9fa;
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: #667eea;
    opacity: 0.3;
    font-family: serif;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: #555;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: #333;
}

.author-info span {
    font-size: 0.9rem;
    color: #666;
}

.rating {
    display: flex;
    gap: 3px;
}

.rating i {
    color: #ffc107;
    font-size: 0.9rem;
}

/* 图片占位符样式 */
.image-placeholder {
    height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.image-placeholder > * {
    position: relative;
    z-index: 2;
}

.enterprise-placeholder {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.mobile-placeholder {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.insurance-placeholder {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.healthcare-placeholder {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.university-placeholder {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.grid-placeholder {
    background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
}

.algorithm-placeholder {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
}

.medical-placeholder {
    background: linear-gradient(135deg, #e91e63 0%, #ad1457 100%);
}

.finance-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.ecommerce-placeholder {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
}

.government-placeholder {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

.weather-placeholder {
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
}

.smart-city-placeholder {
    background: linear-gradient(135deg, #a29bfe 0%, #6c5ce7 100%);
}

.water-placeholder {
    background: linear-gradient(135deg, #00b894 0%, #00a085 100%);
}

.energy-placeholder {
    background: linear-gradient(135deg, #fdcb6e 0%, #e17055 100%);
}

.satellite-placeholder {
    background: linear-gradient(135deg, #636e72 0%, #2d3436 100%);
}

.embedded-placeholder {
    background: linear-gradient(135deg, #00cec9 0%, #00b894 100%);
}

.case-card:hover .image-placeholder {
    transform: scale(1.1);
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.image-placeholder i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.image-placeholder img.placeholder-logo {
    max-width: 80%;
    max-height: 100px;
    margin-bottom: 15px;
    object-fit: contain;
    z-index: 2;
    position: relative;
}

.image-placeholder h4 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.image-placeholder p {
    font-size: 1rem;
    opacity: 0.8;
    margin: 0;
}

/* 响应式设计 - 图片占位符 */
@media (max-width: 767px) {
    .image-placeholder {
        height: 200px;
    }
    
    .image-placeholder i {
        font-size: 2.5rem;
        margin-bottom: 12px;
    }
    
    .image-placeholder h4 {
        font-size: 1.1rem;
        margin-bottom: 6px;
    }
    
    .image-placeholder p {
        font-size: 0.9rem;
    }
}

@media (max-width: 479px) {
    .image-placeholder {
        height: 180px;
    }
    
    .image-placeholder i {
        font-size: 2rem;
        margin-bottom: 10px;
    }
    
    .image-placeholder h4 {
        font-size: 1rem;
        margin-bottom: 5px;
    }
    
    .image-placeholder p {
        font-size: 0.85rem;
    }
}

/* 响应式设计 - 案例页面 */
@media (max-width: 991px) {
    .cases-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 25px;
    }
    
    .filter-tabs {
        gap: 15px;
    }
    
    .filter-btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .case-filter {
        padding: 30px 0;
    }
    
    .filter-tabs {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .filter-btn {
        width: 200px;
        text-align: center;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .case-image {
        height: 200px;
    }
    
    .case-content {
        padding: 20px;
    }
    
    .case-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    .case-results {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testimonial-card {
        padding: 25px 20px;
    }
    
    .testimonial-author {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

@media (max-width: 479px) {
    .cases-showcase {
        padding: 60px 0;
    }
    
    .client-testimonials {
        padding: 60px 0;
    }
    
    .case-content {
        padding: 15px;
    }
    
    .testimonial-card {
        padding: 20px 15px;
    }
    
    .testimonial-card::before {
        font-size: 3rem;
        top: -5px;
        left: 15px;
    }
}
/* 多地址显示优化 */
.method-content p strong {
    color: #667eea;
    font-weight: 600;
    display: inline-block;
    min-width: 80px;
}

.method-content p {
    line-height: 1.8;
}

/* 页脚联系信息图标优化 */
.footer-section ul li i.fa-user {
    color: #667eea;
}

/* 响应式优化 - 多地址显示 */
@media (max-width: 767px) {
    .method-content p strong {
        display: block;
        margin-bottom: 5px;
        min-width: auto;
    }
    
    .method-content p {
        line-height: 1.6;
    }
}
/* 公司介绍突出显示 */
.company-intro {
    margin-bottom: 30px;
}

.highlight-text {
    font-size: 1.15rem;
    color: #667eea;
    font-weight: 500;
    line-height: 1.8;
    margin-bottom: 15px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-left: 4px solid #667eea;
    border-radius: 5px;
}

.company-intro p strong {
    color: #667eea;
    font-weight: 600;
}

/* 核心技术与服务领域样式 */
.core-services {
    background: #f8f9fa;
    padding: 80px 0;
}

.services-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-category {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.service-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.category-header i {
    font-size: 2rem;
    color: #667eea;
    width: 50px;
    text-align: center;
}

.category-header h3 {
    font-size: 1.3rem;
    color: #333;
    margin: 0;
}

.category-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-tag {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.service-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* 公司资质认证样式 */
.certifications {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
    position: relative;
}

.certifications::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23667eea" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23764ba2" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.certifications-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    position: relative;
    z-index: 1;
}

/* 资质介绍部分 */
.cert-highlights {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 5px solid transparent;
}

.highlight-item:nth-child(1) {
    border-left-color: #e74c3c;
}

.highlight-item:nth-child(2) {
    border-left-color: #667eea;
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.highlight-item:nth-child(1) .highlight-icon {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.highlight-item:nth-child(2) .highlight-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.highlight-text h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: #333;
}

.highlight-text p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.cert-number {
    display: inline-block;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* 资质说明 */
.cert-description {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
}

.cert-description h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cert-description h4::before {
    content: '';
    width: 4px;
    height: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.cert-description ul {
    list-style: none;
    padding: 0;
}

.cert-description li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    color: #666;
    line-height: 1.6;
}

.cert-description li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

.cert-description li strong {
    color: #333;
}

/* 证书图片展示 */
.cert-images {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.cert-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

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

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

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

.cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cert-card:hover .cert-overlay {
    opacity: 1;
}

.cert-info {
    text-align: center;
    color: white;
    padding: 20px;
}

.cert-info h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.cert-info p {
    margin-bottom: 20px;
    opacity: 0.9;
}

.view-cert-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.view-cert-btn:hover {
    background: white;
    color: #667eea;
}

.cert-title {
    padding: 20px;
    text-align: center;
}

.cert-title h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: #333;
}

.cert-title p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

/* 证书查看模态框样式 */
.cert-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.cert-modal.active {
    opacity: 1;
    visibility: visible;
}

.cert-modal-content {
    background: white;
    border-radius: 15px;
    max-width: 90%;
    max-height: 90%;
    overflow: hidden;
    position: relative;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.cert-modal.active .cert-modal-content {
    transform: scale(1);
}

.cert-modal-header {
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cert-modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.cert-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.cert-modal-body {
    padding: 0;
    text-align: center;
}

.cert-modal-image {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 响应式设计 - 资质认证 */
@media (max-width: 991px) {
    .certifications-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .cert-images {
        grid-template-columns: 1fr;
    }
    
    .cert-image-container {
        height: 250px;
    }
}

@media (max-width: 767px) {
    .certifications {
        padding: 60px 0;
    }
    
    .highlight-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        padding: 20px;
    }
    
    .highlight-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .cert-description {
        padding: 20px;
    }
    
    .cert-image-container {
        height: 200px;
    }
    
    .cert-title {
        padding: 15px;
    }
    
    .cert-modal-content {
        max-width: 95%;
        max-height: 95%;
    }
    
    .cert-modal-header {
        padding: 15px;
    }
}

@media (max-width: 479px) {
    .cert-highlights {
        gap: 20px;
        margin-bottom: 30px;
    }
    
    .highlight-item {
        padding: 15px;
    }
    
    .highlight-text h3 {
        font-size: 1.1rem;
    }
    
    .highlight-text p {
        font-size: 0.9rem;
    }
    
    .cert-number {
        font-size: 0.8rem;
        padding: 3px 10px;
    }
    
    .cert-description {
        padding: 15px;
    }
    
    .cert-description h4 {
        font-size: 1.1rem;
    }
    
    .cert-description li {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
}
/* 证书占位符样式 */
.cert-placeholder {
    width: 100%;
    height: 300px;
    background: white;
    border: 3px solid #ddd;
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.cert-placeholder::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 2px solid #eee;
    border-radius: 5px;
    pointer-events: none;
}

.cert-placeholder-content {
    text-align: center;
    width: 100%;
    z-index: 1;
    position: relative;
}

/* CMA证书样式 */
.cma-cert {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-color: #e74c3c;
}

.cma-cert::before {
    border-color: #e74c3c;
}

.china-emblem {
    font-size: 2rem;
    margin-bottom: 10px;
}

.cert-header h3 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.3;
    font-weight: bold;
}

.cert-body p {
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 8px;
    line-height: 1.4;
}

.cma-logo {
    margin: 15px 0;
    padding: 8px 15px;
    background: #333;
    border-radius: 5px;
    display: inline-block;
}

.cma-text {
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.cert-note {
    font-size: 0.75rem !important;
    color: #666 !important;
    font-style: italic;
    margin-top: 10px !important;
}

/* ISO证书样式 */
.iso-cert {
    background: linear-gradient(135deg, #fff 0%, #f0f8ff 100%);
    border-color: #667eea;
}

.iso-cert::before {
    border-color: #667eea;
}

.ztc-logo {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 12px;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 10px;
    display: inline-block;
    line-height: 1.2;
}

.ztc-logo span {
    font-size: 0.6rem;
    display: block;
}

.iso-standard {
    background: #667eea;
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: bold;
    margin: 10px 0;
    display: inline-block;
}

.cert-logos {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.logo-item {
    background: #f8f9fa;
    border: 1px solid #ddd;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: bold;
    color: #555;
}

/* 证书悬停效果 */
.cert-card:hover .cert-placeholder {
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.cert-placeholder {
    transition: all 0.3s ease;
}

/* 响应式优化 - 证书占位符 */
@media (max-width: 767px) {
    .cert-placeholder {
        height: 250px;
        padding: 15px;
    }
    
    .cert-header h3 {
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    .cert-body p {
        font-size: 0.8rem;
        margin-bottom: 6px;
    }
    
    .china-emblem {
        font-size: 1.5rem;
        margin-bottom: 8px;
    }
    
    .cma-logo {
        margin: 10px 0;
        padding: 6px 12px;
    }
    
    .cma-text {
        font-size: 1rem;
    }
    
    .ztc-logo {
        padding: 6px 10px;
        font-size: 0.7rem;
        margin-bottom: 8px;
    }
    
    .iso-standard {
        font-size: 0.7rem;
        padding: 4px 8px;
        margin: 8px 0;
    }
    
    .cert-logos {
        gap: 8px;
        margin-top: 8px;
    }
    
    .logo-item {
        padding: 2px 6px;
        font-size: 0.65rem;
    }
    
    .cert-note {
        font-size: 0.7rem !important;
        margin-top: 8px !important;
    }
}

@media (max-width: 479px) {
    .cert-placeholder {
        height: 220px;
        padding: 12px;
    }
    
    .cert-header h3 {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .cert-body p {
        font-size: 0.75rem;
        margin-bottom: 5px;
    }
    
    .china-emblem {
        font-size: 1.3rem;
        margin-bottom: 6px;
    }
    
    .cma-text {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }
    
    .ztc-logo {
        font-size: 0.65rem;
        padding: 5px 8px;
    }
    
    .iso-standard {
        font-size: 0.65rem;
        padding: 3px 6px;
    }
    
    .cert-logos {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .logo-item {
        font-size: 0.6rem;
        padding: 2px 5px;
    }
}
/* 模态框证书详细显示样式 */
.cert-modal-placeholder {
    width: 100%;
    max-width: 600px;
    background: white;
    border: 4px solid #ddd;
    border-radius: 15px;
    padding: 30px;
    margin: 0 auto;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.cert-modal-placeholder::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border: 2px solid #eee;
    border-radius: 8px;
    pointer-events: none;
}

.cert-modal-header-content {
    text-align: center;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.china-emblem-large {
    font-size: 3rem;
    margin-bottom: 15px;
}

.cert-modal-header-content h2 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 10px;
    font-weight: bold;
}

.cert-number-large {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

.cert-modal-body-content {
    position: relative;
    z-index: 1;
}

.cert-info-row {
    margin-bottom: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #555;
}

.cert-info-row strong {
    color: #333;
    font-weight: 600;
}

.cert-standard {
    text-align: center;
    margin: 20px 0;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.standard-text {
    font-size: 1.1rem;
    font-weight: bold;
    color: #667eea;
    margin-top: 8px;
}

.cert-scope {
    text-align: center;
    margin: 20px 0;
    padding: 15px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 8px;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* CMA证书大图样式 */
.cma-cert-large {
    border-color: #e74c3c;
}

.cma-cert-large::before {
    border-color: #e74c3c;
}

.cma-logo-large {
    text-align: center;
    margin: 20px 0;
}

.cma-text-large {
    background: #333;
    color: white;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 3px;
    display: inline-block;
}

.cert-validity {
    margin-top: 20px;
    padding: 15px;
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #856404;
}

/* ISO证书大图样式 */
.iso-cert-large {
    border-color: #667eea;
}

.iso-cert-large::before {
    border-color: #667eea;
}

.ztc-logo-large {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 50px;
    display: inline-block;
    margin-bottom: 15px;
    text-align: center;
}

.ztc-main {
    font-size: 1.2rem;
    font-weight: bold;
    display: block;
    letter-spacing: 2px;
}

.ztc-sub {
    font-size: 0.8rem;
    display: block;
    margin-top: 2px;
}

.cert-dates {
    margin: 20px 0;
    padding: 15px;
    background: #e8f4fd;
    border-radius: 8px;
}

.date-item {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #555;
}

.date-item:last-child {
    margin-bottom: 0;
}

.cert-logos-large {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.logo-large {
    background: #f8f9fa;
    border: 2px solid #ddd;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: bold;
    color: #555;
}

/* 模态框响应式 */
@media (max-width: 767px) {
    .cert-modal-content {
        max-width: 95%;
        margin: 20px auto;
    }
    
    .cert-modal-placeholder {
        padding: 20px;
        max-width: 100%;
    }
    
    .cert-modal-header-content h2 {
        font-size: 1.4rem;
        margin-bottom: 8px;
    }
    
    .china-emblem-large {
        font-size: 2.5rem;
        margin-bottom: 12px;
    }
    
    .cert-number-large {
        font-size: 0.9rem;
    }
    
    .cert-info-row {
        font-size: 0.85rem;
        margin-bottom: 10px;
    }
    
    .standard-text {
        font-size: 1rem;
    }
    
    .cert-scope {
        font-size: 0.85rem;
        padding: 12px;
    }
    
    .cma-text-large {
        font-size: 1.2rem;
        padding: 10px 20px;
        letter-spacing: 2px;
    }
    
    .ztc-logo-large {
        padding: 12px 16px;
    }
    
    .ztc-main {
        font-size: 1rem;
    }
    
    .ztc-sub {
        font-size: 0.7rem;
    }
    
    .cert-dates {
        padding: 12px;
    }
    
    .date-item {
        font-size: 0.8rem;
        margin-bottom: 6px;
    }
    
    .cert-logos-large {
        gap: 15px;
    }
    
    .logo-large {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .cert-validity {
        font-size: 0.8rem;
        padding: 12px;
    }
}

@media (max-width: 479px) {
    .cert-modal-placeholder {
        padding: 15px;
    }
    
    .cert-modal-header-content h2 {
        font-size: 1.2rem;
    }
    
    .china-emblem-large {
        font-size: 2rem;
        margin-bottom: 10px;
    }
    
    .cert-number-large {
        font-size: 0.8rem;
    }
    
    .cert-info-row {
        font-size: 0.8rem;
        margin-bottom: 8px;
    }
    
    .cert-standard,
    .cert-scope,
    .cert-dates,
    .cert-validity {
        padding: 10px;
        margin: 15px 0;
    }
    
    .standard-text {
        font-size: 0.9rem;
    }
    
    .cma-text-large {
        font-size: 1rem;
        padding: 8px 16px;
        letter-spacing: 1px;
    }
    
    .cert-logos-large {
        gap: 10px;
    }
    
    .logo-large {
        padding: 5px 10px;
        font-size: 0.75rem;
    }
}
/* 企业授权文件样式 */
.authorization-item {
    border-left-color: #28a745;
}

.authorization-item .highlight-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.authorization-card {
    grid-column: span 2;
    max-width: 600px;
    margin: 0 auto;
}

.authorization-cert {
    border-color: #28a745;
    background: linear-gradient(135deg, #fff 0%, #f8fff9 100%);
    height: 350px;
}

.authorization-cert::before {
    border-color: #28a745;
}

.miit-header {
    text-align: center;
    margin-bottom: 20px;
}

.miit-header h3 {
    color: #dc3545;
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 8px;
    line-height: 1.3;
}

.header-line {
    width: 80%;
    height: 2px;
    background: #dc3545;
    margin: 0 auto;
}

.auth-title {
    text-align: center;
    font-size: 1rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.auth-content {
    text-align: left;
    margin-bottom: 20px;
}

.auth-content p {
    font-size: 0.8rem;
    line-height: 1.5;
    color: #555;
    margin-bottom: 8px;
    text-indent: 2em;
}

.auth-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 20px;
}

.miit-seal {
    position: relative;
}

.seal-circle {
    width: 60px;
    height: 60px;
    border: 3px solid #dc3545;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: rgba(220, 53, 69, 0.1);
}

.seal-text {
    font-size: 0.7rem;
    color: #dc3545;
    font-weight: bold;
    text-align: center;
    line-height: 1.2;
}

.seal-star {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    color: #dc3545;
    opacity: 0.7;
}

.auth-date {
    font-size: 0.85rem;
    color: #666;
    font-weight: 500;
}

/* 证书网格布局调整 */
.cert-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.cert-images .authorization-card {
    grid-column: 1 / -1;
}

/* 响应式设计 - 授权文件 */
@media (max-width: 991px) {
    .cert-images {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .authorization-card {
        grid-column: 1;
        max-width: 100%;
    }
    
    .authorization-cert {
        height: 320px;
    }
    
    .miit-header h3 {
        font-size: 1rem;
    }
    
    .auth-title {
        font-size: 0.95rem;
    }
    
    .auth-content p {
        font-size: 0.75rem;
    }
}

@media (max-width: 767px) {
    .cert-highlights {
        gap: 20px;
    }
    
    .authorization-cert {
        height: 280px;
        padding: 15px;
    }
    
    .miit-header h3 {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }
    
    .auth-title {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    .auth-content {
        margin-bottom: 15px;
    }
    
    .auth-content p {
        font-size: 0.7rem;
        margin-bottom: 6px;
        text-indent: 1.5em;
    }
    
    .auth-footer {
        margin-top: 15px;
    }
    
    .seal-circle {
        width: 50px;
        height: 50px;
        border-width: 2px;
    }
    
    .seal-text {
        font-size: 0.6rem;
    }
    
    .seal-star {
        font-size: 1rem;
    }
    
    .auth-date {
        font-size: 0.8rem;
    }
}

@media (max-width: 479px) {
    .authorization-cert {
        height: 260px;
        padding: 12px;
    }
    
    .miit-header h3 {
        font-size: 0.8rem;
        line-height: 1.2;
    }
    
    .auth-title {
        font-size: 0.8rem;
        margin-bottom: 10px;
    }
    
    .auth-content p {
        font-size: 0.65rem;
        line-height: 1.4;
        text-indent: 1em;
    }
    
    .seal-circle {
        width: 45px;
        height: 45px;
    }
    
    .seal-text {
        font-size: 0.55rem;
    }
    
    .seal-star {
        font-size: 0.9rem;
    }
    
    .auth-date {
        font-size: 0.75rem;
    }
}
/* 授权文件模态框样式 */
.authorization-cert-large {
    border-color: #28a745;
    background: linear-gradient(135deg, #fff 0%, #f8fff9 100%);
    max-width: 700px;
}

.authorization-cert-large::before {
    border-color: #28a745;
}

.miit-header-large {
    text-align: center;
    margin-bottom: 25px;
}

.miit-header-large h2 {
    color: #dc3545;
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1.3;
}

.header-line-large {
    width: 70%;
    height: 3px;
    background: #dc3545;
    margin: 0 auto;
}

.auth-title-large {
    text-align: center;
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 25px;
    font-weight: 600;
}

.auth-content-large {
    text-align: left;
    margin-bottom: 30px;
    line-height: 1.8;
}

.auth-content-large p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 15px;
    text-indent: 2em;
    line-height: 1.8;
}

.auth-footer-large {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 30px;
}

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

.auth-signature p {
    font-size: 1rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 500;
}

.miit-seal-large {
    display: flex;
    justify-content: center;
}

.seal-circle-large {
    width: 80px;
    height: 80px;
    border: 4px solid #dc3545;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: rgba(220, 53, 69, 0.1);
}

.seal-text-large {
    font-size: 0.8rem;
    color: #dc3545;
    font-weight: bold;
    text-align: center;
    line-height: 1.2;
}

.seal-star-large {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    color: #dc3545;
    opacity: 0.7;
}

.auth-date-large {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
    align-self: flex-end;
}

/* 响应式设计 - 授权文件模态框 */
@media (max-width: 767px) {
    .authorization-cert-large {
        max-width: 100%;
        padding: 20px;
    }
    
    .miit-header-large h2 {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .auth-title-large {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }
    
    .auth-content-large {
        margin-bottom: 25px;
    }
    
    .auth-content-large p {
        font-size: 0.9rem;
        margin-bottom: 12px;
        text-indent: 1.5em;
        line-height: 1.6;
    }
    
    .auth-footer-large {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        margin-top: 25px;
    }
    
    .auth-signature p {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }
    
    .seal-circle-large {
        width: 70px;
        height: 70px;
        border-width: 3px;
    }
    
    .seal-text-large {
        font-size: 0.7rem;
    }
    
    .seal-star-large {
        font-size: 1.3rem;
    }
    
    .auth-date-large {
        font-size: 0.9rem;
        align-self: center;
    }
}

@media (max-width: 479px) {
    .authorization-cert-large {
        padding: 15px;
    }
    
    .miit-header-large h2 {
        font-size: 1.1rem;
        line-height: 1.2;
    }
    
    .auth-title-large {
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    .auth-content-large p {
        font-size: 0.8rem;
        margin-bottom: 10px;
        text-indent: 1em;
        line-height: 1.5;
    }
    
    .auth-footer-large {
        gap: 15px;
        margin-top: 20px;
    }
    
    .auth-signature p {
        font-size: 0.8rem;
        margin-bottom: 10px;
    }
    
    .seal-circle-large {
        width: 60px;
        height: 60px;
        border-width: 2px;
    }
    
    .seal-text-large {
        font-size: 0.6rem;
    }
    
    .seal-star-large {
        font-size: 1.1rem;
    }
    
    .auth-date-large {
        font-size: 0.8rem;
    }
}

/* 产品功能测试和性能测试页面特有样式 */
.testing-definition {
    padding: 80px 0;
    background: white;
}

/* 产品性能测试页面特有样式 */
.service-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.service-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 25px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-badge i {
    font-size: 1rem;
}

.service-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.feature-tag i {
    font-size: 0.9rem;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    margin-top: 20px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.6);
}

/* 服务概述样式 */
.service-overview {
    padding: 80px 0;
    background: white;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.overview-content h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: #333;
}

.overview-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.overview-stats {
    display: flex;
    gap: 30px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

.overview-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 3px solid #e9ecef;
    transition: all 0.3s ease;
}

.image-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.image-placeholder i {
    font-size: 4rem;
    color: #667eea;
    margin-bottom: 20px;
}

.image-placeholder h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 10px;
}

.image-placeholder p {
    color: #666;
    font-size: 0.95rem;
}

/* 测试依据样式 */
.testing-basis {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.standard-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.standard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.standard-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.standard-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    flex-shrink: 0;
}

.standard-info h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 5px;
    font-weight: 600;
}

.standard-subtitle {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.4;
}

.standard-description h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.standard-description p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 25px;
}

.standard-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.standard-features .feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.standard-features .feature-item:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(5px);
}

.standard-features .feature-item i {
    color: #28a745;
    font-size: 1rem;
}

.standard-features .feature-item span {
    color: #555;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 客户收益样式 */
.customer-benefits {
    padding: 80px 0;
    background: white;
}

/* 提交资料样式 */
.submission-materials {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.material-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.material-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.material-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: white;
    transition: all 0.3s ease;
}

.material-item:hover .material-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.material-item h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.material-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 交付文档样式 */
.delivery-documents {
    padding: 80px 0;
    background: white;
}

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

.document-showcase {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 30px;
    transition: all 0.3s ease;
}

.document-showcase:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.document-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
}

.document-info h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.document-info p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 20px;
}

.report-features {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.report-features .feature-tag {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.report-features .feature-tag i {
    font-size: 0.7rem;
}

/* 联系咨询样式 */
.contact-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-text h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.cta-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-actions .btn {
    padding: 15px 30px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cta-actions .btn-outline {
    background: transparent;
    color: white;
    border-color: white;
}

.cta-actions .btn-outline:hover {
    background: white;
    color: #667eea;
}

.definition-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.definition-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 5px solid transparent;
}

.definition-card:nth-child(1) {
    border-left-color: #667eea;
}

.definition-card:nth-child(2) {
    border-left-color: #28a745;
}

.definition-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.definition-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.definition-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.definition-card:nth-child(1) .definition-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.definition-card:nth-child(2) .definition-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.definition-header h3 {
    font-size: 1.3rem;
    color: #333;
    margin: 0;
}

.definition-content p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: white;
    transition: all 0.3s ease;
}

.benefit-card:hover .benefit-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.benefit-content h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.benefit-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

.service-process {
    padding: 80px 0;
    background: #f8f9fa;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.process-step {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 30px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.step-content h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
    margin-top: 10px;
}

.step-content ul {
    list-style: none;
    padding: 0;
}

.step-content li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    color: #666;
    line-height: 1.6;
    font-size: 0.9rem;
}

.step-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.2rem;
}

/* 响应式设计 - 产品功能测试和性能测试页面 */
@media (max-width: 991px) {
    .service-hero {
        padding: 100px 0 60px;
    }
    
    .service-hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .overview-stats {
        justify-content: center;
        gap: 20px;
    }
    
    .standard-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .standard-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .materials-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
    
    .document-showcase {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .definition-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
    
    .process-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .service-hero {
        padding: 80px 0 40px;
    }
    
    .service-hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-features {
        gap: 10px;
    }
    
    .feature-tag {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .overview-content h2 {
        font-size: 1.8rem;
    }
    
    .overview-description {
        font-size: 1rem;
    }
    
    .overview-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .image-placeholder {
        width: 250px;
        height: 250px;
    }
    
    .image-placeholder i {
        font-size: 3rem;
    }
    
    .image-placeholder h4 {
        font-size: 1.1rem;
    }
    
    .standard-card {
        padding: 30px 20px;
    }
    
    .standard-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .standard-info h3 {
        font-size: 1.2rem;
    }
    
    .standard-description h4 {
        font-size: 1.1rem;
    }
    
    .standard-description p {
        font-size: 0.95rem;
    }
    
    .material-item {
        padding: 25px 20px;
    }
    
    .material-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    .material-item h4 {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .material-item p {
        font-size: 0.9rem;
    }
    
    .document-showcase {
        padding: 30px 20px;
    }
    
    .document-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
    
    .document-info h3 {
        font-size: 1.2rem;
    }
    
    .document-info p {
        font-size: 0.95rem;
    }
    
    .cta-text h2 {
        font-size: 1.8rem;
    }
    
    .cta-text p {
        font-size: 1rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .cta-actions .btn {
        width: 200px;
        justify-content: center;
    }
    
    .testing-definition,
    .service-process {
        padding: 60px 0;
    }
    
    .definition-card {
        padding: 25px 20px;
    }
    
    .definition-header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        margin-bottom: 15px;
    }
    
    .definition-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .definition-header h3 {
        font-size: 1.1rem;
    }
    
    .definition-content p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .benefit-card {
        padding: 25px 20px;
    }
    
    .benefit-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    .benefit-content h4 {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .benefit-content p {
        font-size: 0.9rem;
    }
    
    .process-step {
        padding: 25px 20px;
    }
    
    .step-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
        top: -12px;
        left: 20px;
    }
    
    .step-content h4 {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .step-content li {
        font-size: 0.85rem;
        margin-bottom: 8px;
    }
}

@media (max-width: 479px) {
    .service-hero {
        padding: 60px 0 30px;
    }
    
    .service-hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    
    .feature-tag {
        font-size: 0.75rem;
        padding: 5px 10px;
    }
    
    .overview-content h2 {
        font-size: 1.6rem;
    }
    
    .overview-description {
        font-size: 0.95rem;
    }
    
    .image-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .image-placeholder i {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .image-placeholder h4 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .image-placeholder p {
        font-size: 0.9rem;
    }
    
    .standard-card {
        padding: 25px 15px;
    }
    
    .standard-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .standard-info h3 {
        font-size: 1.1rem;
    }
    
    .standard-subtitle {
        font-size: 0.9rem;
    }
    
    .standard-description h4 {
        font-size: 1rem;
    }
    
    .standard-description p {
        font-size: 0.9rem;
    }
    
    .materials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .material-item {
        padding: 20px 15px;
    }
    
    .material-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .material-item h4 {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .material-item p {
        font-size: 0.85rem;
    }
    
    .document-showcase {
        padding: 25px 15px;
    }
    
    .document-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .document-info h3 {
        font-size: 1.1rem;
    }
    
    .document-info p {
        font-size: 0.9rem;
    }
    
    .report-features {
        justify-content: center;
        gap: 8px;
    }
    
    .report-features .feature-tag {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    
    .cta-text h2 {
        font-size: 1.6rem;
    }
    
    .cta-text p {
        font-size: 0.95rem;
    }
    
    .cta-actions .btn {
        width: 180px;
        padding: 12px 20px;
        font-size: 1rem;
    }
    
    .definition-card {
        padding: 20px 15px;
    }
    
    .definition-icon {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .definition-header h3 {
        font-size: 1rem;
    }
    
    .definition-content p {
        font-size: 0.85rem;
    }
    
    .benefit-card {
        padding: 20px 15px;
    }
    
    .benefit-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .benefit-content h4 {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .benefit-content p {
        font-size: 0.85rem;
    }
    
    .process-step {
        padding: 20px 15px;
    }
    
    .step-number {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
        top: -10px;
        left: 15px;
    }
    
    .step-content h4 {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .step-content li {
        font-size: 0.8rem;
        margin-bottom: 6px;
        padding-left: 15px;
    }
}
/* 优化后的资质认证区块样式 */
.certifications {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
    position: relative;
}

/* 资质概览统计 */
.cert-overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.cert-stat {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cert-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: left 0.5s ease;
}

.cert-stat:hover::before {
    left: 0;
}

.cert-stat:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: white;
    transition: all 0.3s ease;
}

.cert-stat:hover .stat-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.stat-content h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

.stat-content p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 证书展示区 */
.certificates-showcase {
    margin-bottom: 50px;
}

.featured-cert {
    margin-bottom: 40px;
}

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

.cert-display-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.cert-display-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.cert-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 10;
}

.badge-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 3px 15px rgba(102, 126, 234, 0.3);
}

.cert-preview {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.featured-cert .cert-preview {
    height: 320px;
}

.cert-details {
    padding: 25px;
}

.cert-details h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
}

.cert-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.cert-type {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.cert-date,
.cert-number {
    background: #f8f9fa;
    color: #666;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
}

.cert-details p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.cert-highlights {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.highlight-tag {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* 特色授权文件样式 */
.featured-cert .highlight-tag {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
}

.featured-cert .cert-type {
    background: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

/* 授权文件内容优化 */
.auth-summary {
    color: #888 !important;
    font-style: italic;
    font-size: 0.85rem !important;
}

/* 资质保障说明 */
.cert-guarantee {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.cert-guarantee::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #28a745 100%);
}

.guarantee-content {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.guarantee-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.guarantee-text h4 {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

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

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

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(5px);
}

.feature-item i {
    color: #28a745;
    font-size: 1rem;
}

.feature-item span {
    color: #555;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 响应式设计 - 优化版本 */
@media (max-width: 991px) {
    .cert-overview {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .cert-preview {
        height: 250px;
    }
    
    .featured-cert .cert-preview {
        height: 280px;
    }
    
    .guarantee-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .guarantee-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 767px) {
    .certifications {
        padding: 60px 0;
    }
    
    .cert-stat {
        padding: 25px 20px;
    }
    
    .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    .stat-content h3 {
        font-size: 1.1rem;
    }
    
    .stat-content p {
        font-size: 0.9rem;
    }
    
    .cert-display-card {
        border-radius: 15px;
    }
    
    .cert-preview {
        height: 220px;
    }
    
    .featured-cert .cert-preview {
        height: 250px;
    }
    
    .cert-details {
        padding: 20px;
    }
    
    .cert-details h4 {
        font-size: 1.1rem;
    }
    
    .cert-meta {
        gap: 10px;
    }
    
    .cert-guarantee {
        padding: 30px 20px;
    }
    
    .guarantee-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .guarantee-text h4 {
        font-size: 1.2rem;
    }
    
    .guarantee-text p {
        font-size: 0.9rem;
    }
    
    .feature-item {
        padding: 10px;
    }
    
    .feature-item span {
        font-size: 0.85rem;
    }
}

@media (max-width: 479px) {
    .cert-overview {
        margin-bottom: 30px;
    }
    
    .cert-stat {
        padding: 20px 15px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .stat-content h3 {
        font-size: 1rem;
    }
    
    .stat-content p {
        font-size: 0.85rem;
    }
    
    .cert-preview {
        height: 200px;
    }
    
    .featured-cert .cert-preview {
        height: 220px;
    }
    
    .cert-details {
        padding: 15px;
    }
    
    .cert-details h4 {
        font-size: 1rem;
    }
    
    .cert-details p {
        font-size: 0.9rem;
    }
    
    .cert-highlights {
        gap: 6px;
    }
    
    .highlight-tag {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
    
    .cert-guarantee {
        padding: 25px 15px;
    }
    
    .guarantee-text h4 {
        font-size: 1.1rem;
    }
    
    .guarantee-text p {
        font-size: 0.85rem;
    }
    
    .feature-item {
        padding: 8px;
    }
    
    .feature-item span {
        font-size: 0.8rem;
    }
}
/* 高级证书图片查看器样式 */
.cert-image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.cert-image-viewer.active {
    opacity: 1;
    visibility: visible;
}

.viewer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.viewer-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    z-index: 1;
}

/* 查看器头部 */
.viewer-header {
    background: rgba(0, 0, 0, 0.8);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.viewer-title h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.viewer-title p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

.viewer-controls {
    display: flex;
    gap: 10px;
}

.viewer-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.viewer-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.viewer-close {
    background: rgba(220, 53, 69, 0.8);
    border-color: #dc3545;
}

.viewer-close:hover {
    background: #dc3545;
}

/* 查看器内容区 */
.viewer-content {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.image-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
}

.cert-full-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    cursor: grab;
    transition: transform 0.3s ease;
    opacity: 0;
    border-radius: 8px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.cert-full-image:active {
    cursor: grabbing;
}

.image-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
}

.image-loading i {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

.image-loading p {
    font-size: 1rem;
    opacity: 0.8;
}

/* 图片占位符 */
.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    margin: 20px;
}

.placeholder-content {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    padding: 40px;
}

.placeholder-content i {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.placeholder-content h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: white;
}

.placeholder-content p {
    margin-bottom: 10px;
    line-height: 1.5;
}

.placeholder-content small {
    font-size: 0.8rem;
    opacity: 0.6;
    font-family: monospace;
}

/* 侧边栏 */
.viewer-sidebar {
    width: 300px;
    background: rgba(0, 0, 0, 0.8);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    overflow-y: auto;
}

.cert-details-panel {
    margin-bottom: 30px;
}

.cert-details-panel h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.details-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
}

.detail-value {
    color: white;
    font-size: 0.9rem;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    border-left: 3px solid #667eea;
}

.viewer-tips {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.viewer-tips h5 {
    color: white;
    font-size: 1rem;
    margin-bottom: 12px;
}

.viewer-tips ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.viewer-tips li {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.viewer-tips li i {
    color: #667eea;
    width: 16px;
    font-size: 0.8rem;
}

/* 全屏模式优化 */
.cert-image-viewer:fullscreen {
    background: black;
}

.cert-image-viewer:fullscreen .viewer-overlay {
    background: black;
}

.cert-image-viewer:fullscreen .cert-full-image {
    max-width: 95%;
    max-height: 95%;
}

/* 响应式设计 - 图片查看器 */
@media (max-width: 991px) {
    .viewer-content {
        flex-direction: column;
    }
    
    .viewer-sidebar {
        width: 100%;
        height: 200px;
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 15px;
    }
    
    .cert-details-panel {
        margin-bottom: 20px;
    }
    
    .details-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .viewer-tips {
        padding: 12px;
    }
}

@media (max-width: 767px) {
    .viewer-header {
        padding: 12px 15px;
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .viewer-title {
        text-align: center;
    }
    
    .viewer-title h3 {
        font-size: 1.1rem;
    }
    
    .viewer-title p {
        font-size: 0.8rem;
    }
    
    .viewer-controls {
        justify-content: center;
        gap: 8px;
    }
    
    .viewer-btn {
        width: 35px;
        height: 35px;
        font-size: 0.8rem;
    }
    
    .viewer-sidebar {
        height: 150px;
        padding: 12px;
    }
    
    .details-list {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .detail-item {
        gap: 2px;
    }
    
    .detail-label {
        font-size: 0.8rem;
    }
    
    .detail-value {
        font-size: 0.85rem;
        padding: 4px 8px;
    }
    
    .viewer-tips {
        display: none;
    }
    
    .cert-full-image {
        max-width: 95%;
        max-height: 85%;
    }
}

@media (max-width: 479px) {
    .viewer-header {
        padding: 10px;
    }
    
    .viewer-title h3 {
        font-size: 1rem;
    }
    
    .viewer-controls {
        gap: 6px;
    }
    
    .viewer-btn {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }
    
    .viewer-sidebar {
        height: 120px;
        padding: 10px;
    }
    
    .cert-details-panel h4 {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .detail-label {
        font-size: 0.75rem;
    }
    
    .detail-value {
        font-size: 0.8rem;
        padding: 3px 6px;
    }
}

/* 动画效果 */
@keyframes imageZoom {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.cert-image-viewer.active .cert-full-image {
    animation: imageZoom 0.4s ease-out;
}

/* 滚动条样式 - 查看器 */
.viewer-sidebar::-webkit-scrollbar {
    width: 6px;
}

.viewer-sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.viewer-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.viewer-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}
/* 新的证书查看按钮样式 */
.cert-actions {
    margin-top: 15px;
    text-align: center;
}

.view-cert-btn-new {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 3px 15px rgba(102, 126, 234, 0.3);
}

.view-cert-btn-new:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.view-cert-btn-new:active {
    transform: translateY(0);
    box-shadow: 0 3px 15px rgba(102, 126, 234, 0.3);
}

.view-cert-btn-new i {
    font-size: 0.8rem;
}

/* 特色授权文件按钮样式 */
.featured-cert .view-cert-btn-new {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
    box-shadow: 0 3px 15px rgba(255, 193, 7, 0.3);
}

.featured-cert .view-cert-btn-new:hover {
    background: linear-gradient(135deg, #e0a800 0%, #e8690b 100%);
    box-shadow: 0 6px 25px rgba(255, 193, 7, 0.4);
}

/* 响应式设计 - 新按钮 */
@media (max-width: 767px) {
    .cert-actions {
        margin-top: 12px;
    }
    
    .view-cert-btn-new {
        padding: 8px 16px;
        font-size: 0.85rem;
        gap: 6px;
    }
    
    .view-cert-btn-new i {
        font-size: 0.75rem;
    }
}

@media (max-width: 479px) {
    .view-cert-btn-new {
        padding: 7px 14px;
        font-size: 0.8rem;
        gap: 5px;
    }
}
/* 测评业务类型样式 */
.testing-types {
    padding: 80px 0;
}

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

.testing-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.testing-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transition: left 0.5s ease;
    z-index: 0;
}

.testing-item:hover::before {
    left: 0;
}

.testing-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.testing-item > * {
    position: relative;
    z-index: 1;
}

.testing-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.testing-item:hover .testing-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.testing-icon i {
    font-size: 2rem;
    color: white;
}

.testing-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
}

.testing-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 重点业务样式 */
.featured-testing {
    border-top: 4px solid #28a745;
    background: linear-gradient(135deg, #fff 0%, #f8fff9 100%);
}

.featured-testing .testing-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

/* 前沿技术样式 */
.highlight-testing {
    border-top: 4px solid #ff6b6b;
    background: linear-gradient(135deg, #fff 0%, #fff8f8 100%);
}

.highlight-testing .testing-icon {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
}

/* 测试类型标签 */
.testing-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(40, 167, 69, 0.3);
}

.testing-badge.new {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    box-shadow: 0 2px 10px rgba(255, 107, 107, 0.3);
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* 响应式设计 - 测评业务类型 */
@media (max-width: 991px) {
    .testing-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
    
    .testing-item {
        padding: 25px 15px;
    }
}

@media (max-width: 767px) {
    .testing-types {
        padding: 60px 0;
    }
    
    .testing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testing-item {
        padding: 20px 15px;
    }
    
    .testing-icon {
        width: 60px;
        height: 60px;
    }
    
    .testing-icon i {
        font-size: 1.5rem;
    }
}

@media (max-width: 479px) {
    .testing-item h4 {
        font-size: 1.1rem;
    }
    
    .testing-item p {
        font-size: 0.9rem;
    }
}

/* 响应式设计 - 测评业务类型 */
@media (max-width: 991px) {
    .testing-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .testing-item {
        padding: 30px 20px;
    }
    
    .testing-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .testing-icon i {
        font-size: 1.8rem;
    }
    
    .testing-item h4 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .testing-item p {
        font-size: 0.9rem;
    }
}

@media (max-width: 767px) {
    .testing-types {
        padding: 60px 0;
    }
    
    .testing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testing-item {
        padding: 25px 20px;
    }
    
    .testing-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 18px;
    }
    
    .testing-icon i {
        font-size: 1.5rem;
    }
    
    .testing-item h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .testing-item p {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .testing-badge {
        top: 12px;
        right: 12px;
        padding: 3px 10px;
        font-size: 0.7rem;
    }
}

@media (max-width: 479px) {
    .testing-item {
        padding: 20px 15px;
    }
    
    .testing-icon {
        width: 55px;
        height: 55px;
        margin-bottom: 15px;
    }
    
    .testing-icon i {
        font-size: 1.3rem;
    }
    
    .testing-item h4 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .testing-item p {
        font-size: 0.8rem;
    }
    
    .testing-badge {
        top: 10px;
        right: 10px;
        padding: 2px 8px;
        font-size: 0.65rem;
    }
}

/* 信息化项目验收测试页面样式 */
.service-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.service-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    pointer-events: none;
}

.service-hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    margin-bottom: 40px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    font-size: 1rem;
}

.service-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.5;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-tag i {
    font-size: 1rem;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.6);
}

/* 服务概述样式 */
.service-overview {
    padding: 80px 0;
    background: white;
}

.overview-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.overview-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.overview-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.overview-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

.overview-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed #ddd;
    text-align: center;
    color: #666;
}

.image-placeholder i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #667eea;
}

.image-placeholder h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #333;
}

.image-placeholder p {
    font-size: 0.9rem;
    color: #666;
}

/* 测试依据样式 */
.testing-basis {
    padding: 80px 0;
    background: #f8f9fa;
}

.basis-content {
    max-width: 900px;
    margin: 0 auto;
}

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

.primary-standard {
    border-top: 5px solid #667eea;
}

.primary-standard::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    pointer-events: none;
}

.standard-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.standard-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.standard-info h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 8px;
    font-weight: 600;
}

.standard-subtitle {
    font-size: 1rem;
    color: #667eea;
    font-weight: 500;
}

.standard-description {
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.standard-description h4 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 12px;
    font-weight: 600;
}

.standard-description p {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
}

.standard-description strong {
    color: #667eea;
    font-weight: 600;
}

.standard-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    position: relative;
    z-index: 1;
}

.standard-features .feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.standard-features .feature-item:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(5px);
}

.standard-features .feature-item i {
    color: #28a745;
    font-size: 1rem;
}

.standard-features .feature-item span {
    color: #555;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 测试范围样式 */
.testing-scope {
    padding: 80px 0;
    background: white;
}

.scope-overview {
    text-align: center;
    margin-bottom: 50px;
}

.scope-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
    padding: 30px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 15px;
    border-left: 4px solid #667eea;
}

.scope-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.scope-category {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
}

.scope-category:nth-child(1) {
    border-top-color: #667eea;
}

.scope-category:nth-child(2) {
    border-top-color: #28a745;
}

.scope-category:nth-child(3) {
    border-top-color: #ffc107;
}

.scope-category:nth-child(4) {
    border-top-color: #dc3545;
}

.scope-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.category-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    flex-shrink: 0;
}

.scope-category:nth-child(1) .category-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.scope-category:nth-child(2) .category-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.scope-category:nth-child(3) .category-icon {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
}

.scope-category:nth-child(4) .category-icon {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.category-header h3 {
    font-size: 1.2rem;
    color: #333;
    margin: 0;
    font-weight: 600;
}

.category-content {
    padding: 0;
}

.scope-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.scope-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.95rem;
    color: #555;
    transition: all 0.3s ease;
}

.scope-list li:hover {
    color: #333;
    transform: translateX(5px);
}

.scope-list li i {
    width: 20px;
    font-size: 0.9rem;
    color: #667eea;
}

/* 客户收益样式 */
.customer-benefits {
    padding: 80px 0;
    background: #f8f9fa;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.benefit-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.benefit-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 3px 15px rgba(102, 126, 234, 0.3);
}

.benefit-content {
    flex: 1;
}

.benefit-content h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.benefit-content p {
    color: #666;
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
}

.benefit-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #667eea;
    flex-shrink: 0;
}

/* 联系咨询样式 */
.contact-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.cta-text h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.cta-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
}

.cta-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-actions .btn {
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover {
    background: white;
    color: #667eea;
}

/* 产品登记测试页面特定样式 */
.product-standard {
    border-left: 4px solid #f39c12 !important;
}

.product-standard .standard-header {
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.1) 0%, rgba(230, 126, 34, 0.1) 100%);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.product-standard .standard-icon {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

/* 测试流程样式 */
.testing-flow {
    margin: 40px 0;
}

.flow-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    position: relative;
}

.flow-item {
    flex: 1;
    min-width: 120px;
    text-align: center;
    position: relative;
}

.flow-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.flow-icon.user-docs {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.flow-icon.functionality {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.flow-icon.reliability {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.flow-icon.usability {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.flow-icon.security {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.flow-icon.portability {
    background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
}

.flow-item h4 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

.flow-item p {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.4;
}

.flow-arrow {
    font-size: 1.2rem;
    color: #667eea;
    margin: 0 10px;
}

.flow-item:hover .flow-icon {
    transform: translateY(-5px) scale(1.1);
}

/* 详细测试内容 */
.scope-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.scope-category {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
}

.scope-category:nth-child(1) {
    border-top-color: #e74c3c;
}

.scope-category:nth-child(2) {
    border-top-color: #3498db;
}

.scope-category:nth-child(3) {
    border-top-color: #27ae60;
}

.scope-category:nth-child(4) {
    border-top-color: #9b59b6;
}

.scope-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f8f9fa;
}

.category-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
}

.scope-category:nth-child(1) .category-icon {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.scope-category:nth-child(2) .category-icon {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.scope-category:nth-child(3) .category-icon {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.scope-category:nth-child(4) .category-icon {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.category-header h3 {
    font-size: 1.2rem;
    color: #333;
    margin: 0;
    font-weight: 600;
}

.scope-list {
    list-style: none;
    padding: 0;
}

.scope-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: #555;
    line-height: 1.5;
}

.scope-list li i {
    color: #27ae60;
    font-size: 0.8rem;
}

/* 政策收益网格 */
.policy-benefits {
    margin-top: 40px;
}

.policy-benefits h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
    font-weight: 600;
}

.policy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.policy-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.policy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.policy-card:hover::before {
    opacity: 1;
}

.policy-card:nth-child(1) {
    border-left-color: #e74c3c;
}

.policy-card:nth-child(2) {
    border-left-color: #3498db;
}

.policy-card:nth-child(3) {
    border-left-color: #f39c12;
}

.policy-card:nth-child(4) {
    border-left-color: #27ae60;
}

.policy-card:nth-child(5) {
    border-left-color: #9b59b6;
}

.policy-card:nth-child(6) {
    border-left-color: #1abc9c;
}

.policy-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.policy-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: white;
    position: relative;
    z-index: 1;
}

.policy-card:nth-child(1) .policy-icon {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.policy-card:nth-child(2) .policy-icon {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.policy-card:nth-child(3) .policy-icon {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.policy-card:nth-child(4) .policy-icon {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.policy-card:nth-child(5) .policy-icon {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.policy-card:nth-child(6) .policy-icon {
    background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
}

.policy-card h4 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: #333;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.policy-card p {
    color: #666;
    line-height: 1.6;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

/* 提交资料网格 */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.material-item {
    background: white;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 4px solid #667eea;
}

.material-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.material-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.material-item:hover .material-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

.material-item h4 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: #333;
    font-weight: 600;
}

.material-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* 交付文档样式 */
.delivery-documents {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.document-showcase {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
    transition: all 0.3s ease;
}

.document-showcase:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.15);
}

.document-icon {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(231, 76, 60, 0.3);
}

.document-info {
    text-align: left;
    flex: 1;
}

.document-info h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.document-info p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 20px;
}

.report-features {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.feature-tag i {
    font-size: 0.8rem;
}

/* 响应式设计 - 信息化测试页面 */
@media (max-width: 991px) {
    .service-hero {
        padding: 100px 0 60px;
    }
    
    .service-hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-features {
        gap: 20px;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .overview-stats {
        justify-content: center;
        gap: 30px;
    }
    
    .scope-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .standard-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn {
        width: 200px;
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .service-hero {
        padding: 80px 0 40px;
    }
    
    .service-hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .feature-tag {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .service-overview,
    .testing-basis,
    .testing-scope,
    .customer-benefits,
    .submission-materials,
    .delivery-documents,
    .contact-cta {
        padding: 60px 0;
    }
    
    .flow-container {
        flex-direction: column;
        gap: 30px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .scope-details {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .policy-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .materials-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .document-showcase {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 30px;
    }
    
    .document-info {
        text-align: center;
    }
    
    .report-features {
        justify-content: center;
    }
    
    .overview-content h2 {
        font-size: 2rem;
    }
    
    .overview-description {
        font-size: 1rem;
    }
    
    .overview-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .image-placeholder {
        height: 250px;
    }
    
    .image-placeholder i {
        font-size: 2.5rem;
    }
    
    .standard-card {
        padding: 30px 20px;
    }
    
    .standard-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .standard-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .standard-info h3 {
        font-size: 1.2rem;
    }
    
    .scope-description {
        font-size: 1rem;
        padding: 20px;
    }
    
    .scope-category {
        padding: 25px 20px;
    }
    
    .category-header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .category-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .benefit-card {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        padding: 25px 20px;
    }
    
    .benefit-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .benefit-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
        margin: 0 auto;
    }
    
    .cta-text h2 {
        font-size: 1.8rem;
    }
    
    .cta-text p {
        font-size: 1rem;
    }
}

@media (max-width: 479px) {
    .service-hero {
        padding: 70px 0 30px;
    }
    
    .service-hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-badge {
        padding: 6px 15px;
        font-size: 0.8rem;
    }
    
    .feature-tag {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .service-overview,
    .testing-basis,
    .testing-scope,
    .customer-benefits,
    .submission-materials,
    .delivery-documents,
    .contact-cta {
        padding: 50px 0;
    }
    
    .flow-item {
        min-width: 100px;
    }
    
    .flow-icon {
        width: 60px;
        height: 60px;
        font-size: 1.4rem;
    }
    
    .flow-item h4 {
        font-size: 0.9rem;
    }
    
    .flow-item p {
        font-size: 0.8rem;
    }
    
    .scope-category {
        padding: 20px;
    }
    
    .category-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .policy-card {
        padding: 20px;
    }
    
    .policy-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .material-item {
        padding: 20px;
    }
    
    .material-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .materials-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .document-showcase {
        padding: 25px 20px;
    }
    
    .document-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
    
    .document-info h3 {
        font-size: 1.4rem;
    }
    
    .document-info p {
        font-size: 0.9rem;
    }
    
    .feature-tag {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .overview-content h2 {
        font-size: 1.8rem;
    }
    
    .overview-description {
        font-size: 0.95rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    .image-placeholder {
        height: 200px;
    }
    
    .image-placeholder i {
        font-size: 2rem;
        margin-bottom: 10px;
    }
    
    .image-placeholder h4 {
        font-size: 1rem;
    }
    
    .image-placeholder p {
        font-size: 0.8rem;
    }
    
    .standard-card {
        padding: 25px 15px;
    }
    
    .standard-info h3 {
        font-size: 1.1rem;
    }
    
    .standard-subtitle {
        font-size: 0.9rem;
    }
    
    .standard-description h4 {
        font-size: 1rem;
    }
    
    .standard-description p {
        font-size: 0.9rem;
    }
    
    .scope-description {
        font-size: 0.9rem;
        padding: 15px;
    }
    
    .scope-category {
        padding: 20px 15px;
    }
    
    .category-header h3 {
        font-size: 1.1rem;
    }
    
    .scope-list li {
        font-size: 0.9rem;
        padding: 8px 0;
    }
    
    .benefit-card {
        padding: 20px 15px;
    }
    
    .benefit-content h4 {
        font-size: 1.1rem;
    }
    
    .benefit-content p {
        font-size: 0.9rem;
    }
    
    .cta-text h2 {
        font-size: 1.6rem;
    }
    
    .cta-text p {
        font-size: 0.9rem;
    }
    
    .cta-actions .btn {
        width: 180px;
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}

/* 科技课题验收测试页面样式 */
.tech-standard {
    border-top-color: #28a745;
}

.tech-standard::before {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.05) 0%, rgba(32, 201, 151, 0.05) 100%);
}

.tech-standard .standard-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

/* 科技项目类型卡片 */
.tech-project-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 25px;
}

.project-type-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.project-type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #28a745;
}

.type-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.2rem;
    color: white;
}

.type-icon.national {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.type-icon.provincial {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

.type-icon.enterprise {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
}

.type-icon.achievement {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
}

.project-type-card h5 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 8px;
    font-weight: 600;
}

.project-type-card p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

/* 测试流程样式 */
.testing-process-section {
    margin: 50px 0;
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
}

.testing-process-section h3 {
    text-align: center;
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 40px;
    position: relative;
}

.testing-process-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.process-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.process-step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.2);
    background: rgba(40, 167, 69, 0.05);
}

.step-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.3rem;
    color: white;
    box-shadow: 0 5px 20px rgba(40, 167, 69, 0.3);
}

.process-step h4 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.process-step p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

.process-arrow {
    color: #28a745;
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* 测试内容分类样式 */
.scope-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.tech-category {
    border-top-color: #28a745;
}

.tech-category:nth-child(1) .category-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.tech-category:nth-child(2) .category-icon {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

.tech-category:nth-child(3) .category-icon {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
}

.tech-category:nth-child(4) .category-icon {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

/* 服务优势样式 */
.service-advantages {
    padding: 80px 0;
    background: #f8f9fa;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.advantage-card {
    background: white;
    padding: 35px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 5px 20px rgba(40, 167, 69, 0.3);
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(40, 167, 69, 0.4);
}

.advantage-card h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-card p {
    color: #666;
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
}

/* 响应式设计 - 科技课题测试页面 */
@media (max-width: 991px) {
    .tech-project-types {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .process-flow {
        flex-direction: column;
        gap: 30px;
    }
    
    .process-arrow {
        transform: rotate(90deg);
        font-size: 1.2rem;
    }
    
    .scope-categories {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .testing-process-section {
        padding: 30px 20px;
    }
}

@media (max-width: 767px) {
    .service-advantages {
        padding: 60px 0;
    }
    
    .project-type-card {
        padding: 15px;
    }
    
    .type-icon {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    .project-type-card h5 {
        font-size: 1rem;
    }
    
    .project-type-card p {
        font-size: 0.85rem;
    }
    
    .testing-process-section {
        margin: 40px 0;
        padding: 25px 15px;
    }
    
    .testing-process-section h3 {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }
    
    .process-step {
        padding: 15px;
        min-width: 120px;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .process-step h4 {
        font-size: 1rem;
    }
    
    .process-step p {
        font-size: 0.85rem;
    }
    
    .process-arrow {
        font-size: 1rem;
    }
    
    .advantage-card {
        padding: 25px 20px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .advantage-card h4 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .advantage-card p {
        font-size: 0.9rem;
    }
}

@media (max-width: 479px) {
    .tech-project-types {
        gap: 12px;
    }
    
    .project-type-card {
        padding: 12px;
    }
    
    .type-icon {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .project-type-card h5 {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }
    
    .project-type-card p {
        font-size: 0.8rem;
    }
    
    .testing-process-section {
        margin: 30px 0;
        padding: 20px 12px;
    }
    
    .testing-process-section h3 {
        font-size: 1.3rem;
        margin-bottom: 25px;
    }
    
    .process-step {
        padding: 12px;
        min-width: 100px;
    }
    
    .step-icon {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .process-step h4 {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }
    
    .process-step p {
        font-size: 0.8rem;
    }
    
    .advantage-card {
        padding: 20px 15px;
    }
    
    .advantage-icon {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .advantage-card h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .advantage-card p {
        font-size: 0.85rem;
    }
}

/* 系统验收测评页面样式 */
.system-standard {
    border-top-color: #007bff;
}

.system-standard::before {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.05) 0%, rgba(0, 86, 179, 0.05) 100%);
}

.system-standard .standard-icon {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

/* 标准项目网格 */
.standards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 25px;
}

.standard-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.standard-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #007bff;
}

.standard-icon-small {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.2rem;
    color: white;
}

.standard-item h5 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 8px;
    font-weight: 600;
}

.standard-item p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

/* 系统分类样式 */
.system-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.system-category {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
}

.system-category:nth-child(1) {
    border-top-color: #007bff;
}

.system-category:nth-child(2) {
    border-top-color: #28a745;
}

.system-category:nth-child(3) {
    border-top-color: #ffc107;
}

.system-category:nth-child(4) {
    border-top-color: #dc3545;
}

.system-category:nth-child(5) {
    border-top-color: #6f42c1;
}

.system-category:nth-child(6) {
    border-top-color: #fd7e14;
}

.system-category:nth-child(7) {
    border-top-color: #20c997;
}

.system-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.system-category .category-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    flex-shrink: 0;
}

.system-category:nth-child(1) .category-icon {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

.system-category:nth-child(2) .category-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.system-category:nth-child(3) .category-icon {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
}

.system-category:nth-child(4) .category-icon {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.system-category:nth-child(5) .category-icon {
    background: linear-gradient(135deg, #6f42c1 0%, #5a32a3 100%);
}

.system-category:nth-child(6) .category-icon {
    background: linear-gradient(135deg, #fd7e14 0%, #e8690b 100%);
}

.system-category:nth-child(7) .category-icon {
    background: linear-gradient(135deg, #20c997 0%, #17a2b8 100%);
}

/* 应用价值样式 */
.application-value {
    padding: 80px 0;
    background: #f8f9fa;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.value-card {
    background: white;
    padding: 35px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.value-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 5px 20px rgba(0, 123, 255, 0.3);
    transition: all 0.3s ease;
}

.value-card:hover .value-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(0, 123, 255, 0.4);
}

.value-card h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.value-card p {
    color: #666;
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
}

/* 服务流程样式 */
.service-process {
    padding: 80px 0;
    background: white;
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 20px;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, #007bff 0%, #0056b3 100%);
    z-index: 0;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
    box-shadow: 0 5px 20px rgba(0, 123, 255, 0.3);
}

.step-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.step-content h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
}

.step-content p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 - 系统验收测评页面 */
@media (max-width: 991px) {
    .standards-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .system-categories {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .process-timeline {
        flex-direction: column;
        gap: 30px;
    }
    
    .process-timeline::before {
        display: none;
    }
}

@media (max-width: 767px) {
    .application-value {
        padding: 60px 0;
    }
    
    .service-process {
        padding: 60px 0;
    }
    
    .standard-item {
        padding: 15px;
    }
    
    .standard-icon-small {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    .standard-item h5 {
        font-size: 1rem;
    }
    
    .standard-item p {
        font-size: 0.85rem;
    }
    
    .system-category {
        padding: 25px 20px;
    }
    
    .system-category .category-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .value-card {
        padding: 25px 20px;
    }
    
    .value-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .value-card h4 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .value-card p {
        font-size: 0.9rem;
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.2rem;
    }
    
    .step-content h4 {
        font-size: 1.1rem;
    }
    
    .step-content p {
        font-size: 0.9rem;
    }
}

@media (max-width: 479px) {
    .standards-grid {
        gap: 12px;
    }
    
    .standard-item {
        padding: 12px;
    }
    
    .standard-icon-small {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .standard-item h5 {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }
    
    .standard-item p {
        font-size: 0.8rem;
    }
    
    .system-category {
        padding: 20px 15px;
    }
    
    .system-category .category-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .value-card {
        padding: 20px 15px;
    }
    
    .value-icon {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .value-card h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .value-card p {
        font-size: 0.85rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    .step-content h4 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .step-content p {
        font-size: 0.85rem;
    }
}

/* 解决方案页面样式 */
.solutions-overview {
    padding: 80px 0;
    background: white;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.solution-card {
    background: white;
    padding: 35px 30px;
    border-radius: 20px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-top: 4px solid transparent;
}

.solution-card:nth-child(1) {
    border-top-color: #007bff;
}

.solution-card:nth-child(2) {
    border-top-color: #28a745;
}

.solution-card:nth-child(3) {
    border-top-color: #ffc107;
}

.solution-card:nth-child(4) {
    border-top-color: #dc3545;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.solution-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
    color: white;
    transition: all 0.3s ease;
}

.solution-card:nth-child(1) .solution-icon {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

.solution-card:nth-child(2) .solution-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.solution-card:nth-child(3) .solution-icon {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
}

.solution-card:nth-child(4) .solution-icon {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.solution-card:hover .solution-icon {
    transform: scale(1.1);
}

.solution-card h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
    text-align: center;
}

.solution-card p {
    color: #666;
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: 20px;
    text-align: center;
}

.solution-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: #555;
}

.solution-features li i {
    color: #28a745;
    font-size: 0.8rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.advantage-item {
    background: white;
    padding: 35px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 1.8rem;
    color: white;
    transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon {
    transform: scale(1.1);
}

.advantage-item h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-item p {
    color: #666;
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
}

/* 新闻动态页面样式 */
.news-filter {
    background: #f8f9fa;
    padding: 40px 0;
}

.news-showcase {
    padding: 80px 0;
    background: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

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

.news-image .image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.news-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.news-content {
    padding: 25px;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: #666;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.news-meta i {
    font-size: 0.8rem;
}

.news-content h3 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.4;
}

.news-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.read-more {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: #5a6fd8;
    gap: 8px;
}

.read-more i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(3px);
}

/* 响应式设计 - 解决方案和新闻页面 */
@media (max-width: 991px) {
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .news-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .solutions-overview {
        padding: 60px 0;
    }
    
    .news-showcase {
        padding: 60px 0;
    }
    
    .solution-card {
        padding: 25px 20px;
    }
    
    .solution-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .solution-card h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .solution-card p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .solution-features li {
        font-size: 0.85rem;
        margin-bottom: 8px;
    }
    
    .advantage-item {
        padding: 25px 20px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .advantage-item h4 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .advantage-item p {
        font-size: 0.9rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-image {
        height: 180px;
    }
    
    .news-image .image-placeholder {
        font-size: 2.5rem;
    }
    
    .news-content {
        padding: 20px;
    }
    
    .news-meta {
        flex-direction: column;
        gap: 8px;
        margin-bottom: 12px;
    }
    
    .news-content h3 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .news-content p {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }
}

@media (max-width: 479px) {
    .solution-card {
        padding: 20px 15px;
    }
    
    .solution-icon {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .solution-card h3 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .solution-card p {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    .solution-features li {
        font-size: 0.8rem;
        margin-bottom: 6px;
    }
    
    .advantage-item {
        padding: 20px 15px;
    }
    
    .advantage-icon {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .advantage-item h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .advantage-item p {
        font-size: 0.85rem;
    }
    
    .news-image {
        height: 160px;
    }
    
    .news-image .image-placeholder {
        font-size: 2rem;
    }
    
    .news-content {
        padding: 15px;
    }
    
    .news-content h3 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .news-content p {
        font-size: 0.85rem;
        margin-bottom: 10px;
    }
    
    .read-more {
        font-size: 0.85rem;
    }
}

/* 特殊图标样式 */
.testing-item .fa-graduation-cap {
    font-size: 1.8rem;
}

.testing-item .fa-brain {
    font-size: 1.8rem;
}

.testing-item .fa-code {
    font-size: 1.8rem;
}

/* 响应式设计 - 测评业务类型 */
@media (max-width: 1200px) {
    .testing-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 991px) {
    .testing-types {
        padding: 60px 0;
    }
    
    .testing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .testing-item {
        padding: 30px 20px;
    }
    
    .testing-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .testing-icon i {
        font-size: 1.8rem;
    }
    
    .testing-item h4 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .testing-item p {
        font-size: 0.9rem;
    }
}

@media (max-width: 767px) {
    .testing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testing-item {
        padding: 25px 20px;
    }
    
    .testing-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 18px;
    }
    
    .testing-icon i {
        font-size: 1.5rem;
    }
    
    .testing-item h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .testing-item p {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .testing-badge {
        top: 12px;
        right: 12px;
        padding: 3px 10px;
        font-size: 0.7rem;
    }
}

@media (max-width: 479px) {
    .testing-item {
        padding: 20px 15px;
    }
    
    .testing-icon {
        width: 55px;
        height: 55px;
        margin-bottom: 15px;
    }
    
    .testing-icon i {
        font-size: 1.3rem;
    }
    
    .testing-item h4 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .testing-item p {
        font-size: 0.8rem;
    }
    
    .testing-badge {
        top: 10px;
        right: 10px;
        padding: 2px 8px;
        font-size: 0.65rem;
    }
}
/* 产品安全测试页面特有样式 */
.security-standard {
    border-left: 4px solid #dc3545;
}

.security-standard .standard-icon {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.security-scope {
    background: #f8f9fa;
}

/* 风险级别样式 */
.risk-levels {
    margin-bottom: 60px;
    text-align: center;
}

.risk-levels h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #333;
}

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

.risk-item {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
}

.risk-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.high-risk {
    border-top-color: #dc3545;
}

.high-risk .risk-icon {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.medium-risk {
    border-top-color: #ffc107;
}

.medium-risk .risk-icon {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
}

.low-risk {
    border-top-color: #28a745;
}

.low-risk .risk-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.risk-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.5rem;
}

.risk-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
}

.risk-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 测试流程样式 */
.process-flow {
    max-width: 600px;
    margin: 0 auto;
}

.flow-step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    padding-top: 5px;
}

.step-content h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #333;
}

.step-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

.flow-arrow {
    text-align: center;
    margin: 10px 0;
    color: #667eea;
    font-size: 1.2rem;
}

/* 安全测试分类样式 */
.security-categories {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.category-section h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
    position: relative;
}

.category-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.category-item {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 15px;
    border-left: 4px solid transparent;
}

.category-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    border-left-color: #667eea;
}

.category-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.category-item h4 {
    font-size: 0.95rem;
    color: #333;
    margin: 0;
    line-height: 1.4;
}

/* 详细测试内容表格样式 */
.detailed-scope {
    margin-top: 60px;
}

.detailed-scope h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.scope-table {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

.table-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    border-bottom: 1px solid #e9ecef;
}

.table-row:last-child {
    border-bottom: none;
}

.table-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: bold;
}

.table-cell {
    padding: 20px;
    display: flex;
    align-items: center;
    line-height: 1.6;
}

.scope-category {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
    gap: 10px;
}

.scope-category i {
    color: #667eea;
    font-size: 1.1rem;
}

/* 客户收益网格样式 */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 4px solid #667eea;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
}

.benefit-card h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
}

.benefit-card p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 响应式设计 - 安全测试页面 */
@media (max-width: 991px) {
    .risk-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 25px;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .table-row {
        grid-template-columns: 1fr;
    }
    
    .table-cell {
        padding: 15px;
    }
    
    .scope-category {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
        border-radius: 8px;
        margin-bottom: 5px;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .risk-levels h3 {
        font-size: 1.5rem;
    }
    
    .risk-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .risk-item {
        padding: 25px 15px;
    }
    
    .risk-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .process-flow {
        max-width: 100%;
    }
    
    .flow-step {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin: 0 auto;
    }
    
    .security-categories {
        gap: 40px;
    }
    
    .category-section h3 {
        font-size: 1.3rem;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .category-item {
        padding: 15px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .category-icon {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .category-item h4 {
        font-size: 0.9rem;
    }
    
    .detailed-scope h3 {
        font-size: 1.3rem;
    }
    
    .table-cell {
        padding: 12px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .benefit-card {
        padding: 25px 20px;
    }
    
    .benefit-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

@media (max-width: 479px) {
    .risk-item {
        padding: 20px 12px;
    }
    
    .risk-item h4 {
        font-size: 1.1rem;
    }
    
    .risk-item p {
        font-size: 0.9rem;
    }
    
    .step-content h4 {
        font-size: 1.1rem;
    }
    
    .step-content p {
        font-size: 0.9rem;
    }
    
    .category-section h3 {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }
    
    .category-item {
        padding: 12px;
    }
    
    .category-item h4 {
        font-size: 0.85rem;
    }
    
    .table-cell {
        padding: 10px;
        font-size: 0.9rem;
    }
    
    .benefit-card {
        padding: 20px 15px;
    }
    
    .benefit-card h4 {
        font-size: 1.1rem;
    }
    
    .benefit-card p {
        font-size: 0.9rem;
    }
}
/* 专用软件系统测试页面样式 */
.scope-category-section {
    margin-bottom: 60px;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.scope-category-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.category-header-large {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid #f0f0f0;
}

.category-icon-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.3);
}

.category-info h3 {
    font-size: 1.6rem;
    color: #333;
    margin-bottom: 8px;
    font-weight: 600;
}

.category-info p {
    color: #666;
    font-size: 1rem;
    line-height: 1.5;
    margin: 0;
}

.scope-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
}

.scope-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.scope-item:hover {
    background: rgba(102, 126, 234, 0.05);
    border-left-color: #667eea;
    transform: translateX(5px);
}

.scope-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    flex-shrink: 0;
}

.scope-content h4 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 8px;
    font-weight: 600;
}

.scope-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

/* 响应式设计 - 专用软件系统测试页面 */
@media (max-width: 991px) {
    .scope-category-section {
        padding: 30px;
        margin-bottom: 40px;
    }
    
    .category-header-large {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .category-icon-large {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
    
    .category-info h3 {
        font-size: 1.4rem;
    }
    
    .scope-details {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .scope-item {
        padding: 20px;
    }
}

@media (max-width: 767px) {
    .scope-category-section {
        padding: 25px 20px;
        margin-bottom: 30px;
    }
    
    .category-header-large {
        gap: 15px;
    }
    
    .category-icon-large {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .category-info h3 {
        font-size: 1.2rem;
    }
    
    .category-info p {
        font-size: 0.9rem;
    }
    
    .scope-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        padding: 20px 15px;
    }
    
    .scope-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
        margin: 0 auto;
    }
    
    .scope-content h4 {
        font-size: 1rem;
    }
    
    .scope-content p {
        font-size: 0.9rem;
    }
}

@media (max-width: 479px) {
    .scope-category-section {
        padding: 20px 15px;
        margin-bottom: 25px;
    }
    
    .category-icon-large {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .category-info h3 {
        font-size: 1.1rem;
    }
    
    .category-info p {
        font-size: 0.85rem;
    }
    
    .scope-item {
        padding: 15px;
    }
    
    .scope-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .scope-content h4 {
        font-size: 0.95rem;
    }
    
    .scope-content p {
        font-size: 0.85rem;
    }
}
/* 安全测试页面特有样式 */
.testing-process {
    padding: 80px 0;
    background: #f8f9fa;
}

.process-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.process-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
    border-top: 4px solid transparent;
}

.process-card:nth-child(1) {
    border-top-color: #e74c3c;
}

.process-card:nth-child(2) {
    border-top-color: #f39c12;
}

.process-card:nth-child(3) {
    border-top-color: #3498db;
}

.process-card:nth-child(4) {
    border-top-color: #27ae60;
}

.process-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.process-card .process-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: white;
    transition: all 0.3s ease;
}

.process-card:nth-child(1) .process-icon {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.process-card:nth-child(2) .process-icon {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.process-card:nth-child(3) .process-icon {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.process-card:nth-child(4) .process-icon {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.process-card:hover .process-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.process-content h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.process-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 响应式设计 - 安全测试页面 */
@media (max-width: 991px) {
    .process-overview {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
    
    .process-card {
        padding: 25px 20px;
    }
    
    .process-card .process-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 767px) {
    .testing-process {
        padding: 60px 0;
    }
    
    .process-overview {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .process-card {
        padding: 20px 15px;
    }
    
    .process-card .process-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .process-content h4 {
        font-size: 1.1rem;
    }
    
    .process-content p {
        font-size: 0.9rem;
    }
}

@media (max-width: 479px) {
    .process-card {
        padding: 15px;
    }
    
    .process-card .process-icon {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    .process-content h4 {
        font-size: 1rem;
    }
    
    .process-content p {
        font-size: 0.85rem;
    }
}

/* 漏洞扫描页面特定样式 */
.workflow-section {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.workflow-step {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    border-top: 4px solid transparent;
}

.workflow-step:nth-child(1) {
    border-top-color: #667eea;
}

.workflow-step:nth-child(2) {
    border-top-color: #28a745;
}

.workflow-step:nth-child(3) {
    border-top-color: #ffc107;
}

.workflow-step:nth-child(4) {
    border-top-color: #dc3545;
}

.workflow-step:nth-child(5) {
    border-top-color: #6f42c1;
}

.workflow-step:nth-child(6) {
    border-top-color: #20c997;
}

.workflow-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 30px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.workflow-step:nth-child(2) .step-number {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    box-shadow: 0 5px 20px rgba(40, 167, 69, 0.3);
}

.workflow-step:nth-child(3) .step-number {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
    box-shadow: 0 5px 20px rgba(255, 193, 7, 0.3);
}

.workflow-step:nth-child(4) .step-number {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    box-shadow: 0 5px 20px rgba(220, 53, 69, 0.3);
}

.workflow-step:nth-child(5) .step-number {
    background: linear-gradient(135deg, #6f42c1 0%, #6610f2 100%);
    box-shadow: 0 5px 20px rgba(111, 66, 193, 0.3);
}

.workflow-step:nth-child(6) .step-number {
    background: linear-gradient(135deg, #20c997 0%, #17a2b8 100%);
    box-shadow: 0 5px 20px rgba(32, 201, 151, 0.3);
}

.workflow-step h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
    margin-top: 10px;
}

.step-details {
    margin-top: 15px;
}

.step-details p {
    margin-bottom: 12px;
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

.step-details p strong {
    color: #333;
    font-weight: 600;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 响应式设计：在中等屏幕上显示2列，在小屏幕上显示1列 */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
    }
}

@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        padding: 0 15px;
    }
}

.content-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: all 0.3s ease;
}

.content-card:nth-child(2)::before {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.content-card:nth-child(3)::before {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
}

.content-card:nth-child(4)::before {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.content-card:nth-child(5)::before {
    background: linear-gradient(135deg, #6f42c1 0%, #6610f2 100%);
}

.content-card:nth-child(6)::before {
    background: linear-gradient(135deg, #20c997 0%, #17a2b8 100%);
}

.content-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.content-card:hover::before {
    width: 8px;
}

.card-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: bold;
}

.content-card:nth-child(2) .card-number {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
}

.content-card:nth-child(3) .card-number {
    background: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.content-card:nth-child(4) .card-number {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

.content-card:nth-child(5) .card-number {
    background: rgba(111, 66, 193, 0.1);
    color: #6f42c1;
}

.content-card:nth-child(6) .card-number {
    background: rgba(32, 201, 151, 0.1);
    color: #20c997;
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-content h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
    padding-right: 50px;
}

.card-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

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

.content-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    padding: 8px 0;
    color: #555;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.content-list li:hover {
    color: #333;
    transform: translateX(5px);
}

.content-list li i {
    width: 20px;
    font-size: 0.9rem;
    color: #667eea;
}

.content-card:nth-child(2) .content-list li i {
    color: #28a745;
}

.content-card:nth-child(3) .content-list li i {
    color: #ffc107;
}

.content-card:nth-child(4) .content-list li i {
    color: #dc3545;
}

.content-card:nth-child(5) .content-list li i {
    color: #6f42c1;
}

.content-card:nth-child(6) .content-list li i {
    color: #20c997;
}

/* 扫描类型样式 */
.scanning-types {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.scanning-types .section-header h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.scanning-types .section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 服务定义样式 */
.service-definition {
    padding: 80px 0;
    background: white;
}

.definition-content {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    border-left: 5px solid #667eea;
}

.definition-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.definition-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.definition-header h3 {
    font-size: 1.5rem;
    color: #333;
    margin: 0;
    font-weight: 600;
}

.definition-text p {
    color: #666;
    line-height: 1.8;
    font-size: 1.1rem;
    margin: 0;
}

.definition-text strong {
    color: #667eea;
    font-weight: 600;
}

/* 响应式设计 - 漏洞扫描页面 */
@media (max-width: 991px) {
    .workflow-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
    
    .content-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
    
    .workflow-step {
        padding: 25px 20px;
    }
    
    .content-card {
        padding: 25px 20px;
    }
    
    .definition-content {
        padding: 30px 25px;
    }
    
    .definition-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}

@media (max-width: 767px) {
    .workflow-section {
        padding: 60px 0;
    }
    
    .workflow-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .workflow-step {
        padding: 20px 15px;
    }
    
    .step-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
        top: -12px;
        left: 20px;
    }
    
    .workflow-step h4 {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .step-details p {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .content-card {
        padding: 20px 15px;
    }
    
    .card-number {
        width: 30px;
        height: 30px;
        font-size: 1rem;
        top: 15px;
        right: 15px;
    }
    
    .card-content h4 {
        font-size: 1.1rem;
        margin-bottom: 12px;
        padding-right: 40px;
    }
    
    .card-content p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .content-list li {
        font-size: 0.85rem;
        margin-bottom: 8px;
        padding: 6px 0;
    }
    
    .definition-content {
        padding: 25px 20px;
    }
    
    .definition-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .definition-header h3 {
        font-size: 1.3rem;
    }
    
    .definition-text p {
        font-size: 1rem;
        line-height: 1.7;
    }
}

@media (max-width: 479px) {
    .workflow-section {
        padding: 50px 0;
    }
    
    .workflow-step {
        padding: 15px 12px;
    }
    
    .step-number {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
        top: -10px;
        left: 15px;
    }
    
    .workflow-step h4 {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .step-details p {
        font-size: 0.85rem;
        margin-bottom: 8px;
    }
    
    .content-card {
        padding: 15px 12px;
    }
    
    .card-number {
        width: 28px;
        height: 28px;
        font-size: 0.9rem;
        top: 12px;
        right: 12px;
    }
    
    .card-content h4 {
        font-size: 1rem;
        margin-bottom: 10px;
        padding-right: 35px;
    }
    
    .card-content p {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    .content-list li {
        font-size: 0.8rem;
        margin-bottom: 6px;
        padding: 4px 0;
        gap: 10px;
    }
    
    .content-list li i {
        width: 18px;
        font-size: 0.8rem;
    }
    
    .definition-content {
        padding: 20px 15px;
    }
    
    .definition-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .definition-header h3 {
        font-size: 1.2rem;
    }
    
    .definition-text p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
}
/* AI大模型测试页面样式 */
.ai-badge {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
}

.ai-placeholder {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
}

/* AI平台工作流程样式 */
.ai-platform-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.platform-workflow {
    max-width: 1000px;
    margin: 0 auto;
}

.workflow-steps {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    margin-bottom: 40px;
    position: relative;
}

.workflow-steps:last-child {
    margin-bottom: 0;
}

.workflow-step {
    flex: 1;
    text-align: center;
    position: relative;
    /* max-width: 200px; */
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: bold;
    z-index: 2;
    box-shadow: 0 3px 10px rgba(102, 126, 234, 0.3);
}

.step-content {
    background: white;
    padding: 25px 20px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
    min-height: 200px;
    height: 100%;
    align-self: stretch;
}

.step-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.step-content:hover .step-icon {
    transform: scale(1.1);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.step-content h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
}

.step-content p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

.workflow-arrow {
    color: #667eea;
    font-size: 1.5rem;
    margin: 0 15px;
    opacity: 0.7;
}

/* 多模态测试样式 */
.multimodal-testing {
    padding: 80px 0;
}

.multimodal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.modal-category {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.modal-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.modal-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.modal-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 15px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.modal-item:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
    transform: translateY(-3px);
}

.modal-item i {
    font-size: 1.8rem;
    color: #667eea;
    transition: color 0.3s ease;
}

.modal-item:hover i {
    color: white;
}

.modal-item span {
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

/* 测试内容样式 */
.testing-content {
    background: #f8f9fa;
    padding: 80px 0;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.content-category {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.content-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.content-category .category-header {
    padding: 25px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.content-category .category-header.security {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.content-category .category-header.reliability {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.content-category .category-header.compliance {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.content-category .category-header.performance {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.content-category .category-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.content-category .category-content {
    padding: 25px 20px;
}

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

.content-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 0.95rem;
    color: #555;
    border-bottom: 1px solid #f0f0f0;
}

.content-list li:last-child {
    border-bottom: none;
}

.content-list li i {
    color: #27ae60;
    font-size: 0.9rem;
}

/* 合规性部分样式 */
.compliance-section {
    padding: 80px 0;
}

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

.compliance-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 4px solid #667eea;
}

.compliance-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.compliance-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.compliance-item:hover .compliance-icon {
    transform: scale(1.1);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.compliance-item h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.compliance-item p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 - AI大模型测试页面 */
@media (max-width: 991px) {
    .workflow-steps {
        flex-direction: column;
        gap: 30px;
        align-items: stretch;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .multimodal-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .modal-items {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .content-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
    
    .compliance-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .ai-platform-section {
        padding: 60px 0;
    }
    
    .multimodal-testing {
        padding: 60px 0;
    }
    
    .testing-content {
        padding: 60px 0;
    }
    
    .compliance-section {
        padding: 60px 0;
    }
    
    .workflow-step {
        max-width: 100%;
    }
    
    .step-content {
        padding: 20px 15px;
        min-height: auto;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .step-number {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
        top: -8px;
        right: -8px;
    }
    
    .modal-items {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .modal-item {
        padding: 15px 10px;
    }
    
    .modal-item i {
        font-size: 1.5rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .compliance-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .compliance-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 479px) {
    .step-content h4 {
        font-size: 1rem;
    }
    
    .step-content p {
        font-size: 0.85rem;
    }
    
    .modal-item span {
        font-size: 0.85rem;
    }
    
    .content-list li {
        font-size: 0.9rem;
    }
    
    .compliance-item {
        padding: 25px 15px;
    }
    
    .compliance-item h4 {
        font-size: 1.1rem;
    }
    
    .compliance-item p {
        font-size: 0.9rem;
    }
}

/* AI大模型全维度覆盖样式 */
.full-dimension-coverage {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.full-dimension-coverage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="ai-pattern" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="2" fill="%23667eea" opacity="0.1"/><circle cx="10" cy="40" r="1" fill="%23764ba2" opacity="0.1"/><circle cx="40" cy="10" r="1.5" fill="%23667eea" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23ai-pattern)"/></svg>');
    pointer-events: none;
}

/* 维度概览统计 */
.dimension-overview {
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.overview-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-card {
    background: white;
    border-radius: 15px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transition: left 0.5s ease;
}

.stat-card:hover::before {
    left: 0;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.stat-card > * {
    position: relative;
    z-index: 1;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    color: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1);
}

.content-security {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.model-security {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.data-security {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.model-robustness {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.vulnerability-db {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.stat-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: #333;
    font-weight: 600;
}

.stat-info p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

/* 维度详细内容 */
.dimension-details {
    position: relative;
    z-index: 1;
}

.dimension-section {
    margin-bottom: 60px;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.dimension-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    pointer-events: none;
}

.dimension-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.dimension-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.content-security-bg {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.model-security-bg {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.data-security-bg {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.robustness-bg {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.vulnerability-bg {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.dimension-title h3 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

.dimension-title p {
    font-size: 1rem;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

.dimension-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.dimension-grid.two-column {
    grid-template-columns: repeat(2, 1fr);
}

.dimension-item {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.dimension-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(248, 249, 250, 0.8) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dimension-item:hover::before {
    opacity: 1;
}

.dimension-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border-left-color: #667eea;
}

.dimension-item > * {
    position: relative;
    z-index: 1;
}

.item-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    margin-bottom: 15px;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.dimension-item:hover .item-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

.dimension-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
}

.dimension-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.item-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.feature-tag {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-1px);
}

/* 评测流程导航 */
.evaluation-navigation {
    margin-top: 60px;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 1;
}

.nav-header {
    text-align: center;
    margin-bottom: 40px;
}

.nav-header h3 {
    font-size: 1.6rem;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
}

.nav-header p {
    color: #666;
    font-size: 1rem;
    margin: 0;
}

.nav-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.nav-step {
    flex: 1;
    min-width: 120px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 20px 15px;
    border-radius: 15px;
    position: relative;
}

.nav-step:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    transform: translateY(-5px);
}

.nav-step .step-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.3rem;
    color: white;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.nav-step:hover .step-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

.nav-step h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: #333;
    font-weight: 600;
}

.nav-step p {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
    line-height: 1.4;
}

.nav-arrow {
    font-size: 1.2rem;
    color: #667eea;
    margin: 0 10px;
    flex-shrink: 0;
}

/* AI模型测试页面特有样式 */
.ai-badge {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.2) 0%, rgba(238, 90, 36, 0.2) 100%);
    color: #ff6b6b;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.ai-placeholder {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-color: #667eea;
}

.ai-placeholder i {
    color: #667eea;
}

/* AI平台工作流程样式 */
.ai-platform-section {
    padding: 80px 0;
    background: white;
}

.platform-workflow {
    max-width: 1200px;
    margin: 0 auto;
}

.workflow-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.workflow-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    z-index: 0;
}

.workflow-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
    /* max-width: 150px; */
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    box-shadow: 0 3px 10px rgba(255, 107, 107, 0.3);
}

.step-content {
    background: white;
    border-radius: 15px;
    padding: 20px 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.workflow-step:hover .step-content {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.step-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    color: white;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.step-content h4 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

.step-content p {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.4;
    margin: 0;
}

.workflow-arrow {
    font-size: 1.5rem;
    color: #667eea;
    margin: 0 15px;
    z-index: 1;
    position: relative;
}

/* 响应式设计 - AI大模型测试 */
@media (max-width: 1200px) {
    .overview-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .nav-steps {
        justify-content: center;
    }
}

@media (max-width: 991px) {
    .full-dimension-coverage {
        padding: 60px 0;
    }
    
    .overview-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .dimension-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .dimension-section {
        padding: 30px 25px;
        margin-bottom: 40px;
    }
    
    .dimension-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .dimension-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
    
    .workflow-steps {
        flex-direction: column;
        gap: 30px;
    }
    
    .workflow-steps::before {
        display: none;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .nav-steps {
        flex-direction: column;
        gap: 30px;
    }
    
    .nav-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
}

@media (max-width: 767px) {
    .overview-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-card {
        padding: 20px 15px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .dimension-section {
        padding: 25px 20px;
        margin-bottom: 30px;
    }
    
    .dimension-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .dimension-title h3 {
        font-size: 1.5rem;
    }
    
    .dimension-item {
        padding: 20px;
    }
    
    .item-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .dimension-item h4 {
        font-size: 1rem;
    }
    
    .dimension-item p {
        font-size: 0.85rem;
    }
    
    .evaluation-navigation {
        padding: 30px 20px;
        margin-top: 40px;
    }
    
    .nav-header h3 {
        font-size: 1.4rem;
    }
    
    .nav-step {
        padding: 15px 10px;
    }
    
    .nav-step .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .nav-step h4 {
        font-size: 0.9rem;
    }
    
    .nav-step p {
        font-size: 0.8rem;
    }
    
    .workflow-step {
        /* max-width: 200px; */
    }
    
    .step-content {
        padding: 15px 12px;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .step-number {
        width: 25px;
        height: 25px;
        font-size: 0.7rem;
        top: -8px;
        right: -8px;
    }
}

@media (max-width: 479px) {
    .full-dimension-coverage {
        padding: 40px 0;
    }
    
    .dimension-section {
        padding: 20px 15px;
        margin-bottom: 25px;
    }
    
    .dimension-header {
        gap: 12px;
    }
    
    .dimension-icon {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
    }
    
    .dimension-title h3 {
        font-size: 1.3rem;
    }
    
    .dimension-title p {
        font-size: 0.9rem;
    }
    
    .dimension-item {
        padding: 15px;
    }
    
    .item-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .dimension-item h4 {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }
    
    .dimension-item p {
        font-size: 0.8rem;
        margin-bottom: 12px;
    }
    
    .feature-tag {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
    
    .evaluation-navigation {
        padding: 25px 15px;
        margin-top: 30px;
    }
    
    .nav-header h3 {
        font-size: 1.2rem;
    }
    
    .nav-header p {
        font-size: 0.9rem;
    }
    
    .nav-step {
        padding: 12px 8px;
    }
    
    .nav-step .step-icon {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .nav-step h4 {
        font-size: 0.85rem;
        margin-bottom: 4px;
    }
    
    .nav-step p {
        font-size: 0.75rem;
    }
}

/* 案例展示页面占位符样式 */
.case-image .image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    text-align: center;
    padding: 20px;
}

.case-image .image-placeholder h4 {
    font-size: 1.2rem;
    margin: 10px 0 5px 0;
    font-weight: 600;
    color: white;
}

.case-image .image-placeholder p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
    color: white;
}

/* 不同类型案例的占位符颜色 */
.university-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.grid-placeholder {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
}

.medical-placeholder {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%) !important;
}

.algorithm-placeholder {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%) !important;
}

.space-placeholder {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%) !important;
}

.timing-placeholder {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%) !important;
}

.government-placeholder {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%) !important;
}

.weather-placeholder {
    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%) !important;
}

.smart-city-placeholder {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%) !important;
}

.map-placeholder {
    background: linear-gradient(135deg, #ff8a80 0%, #ea4c89 100%) !important;
}

.water-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.energy-placeholder {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
}

.manufacturing-placeholder {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%) !important;
}

.hospital-placeholder {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%) !important;
}

.health-placeholder {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%) !important;
}

.energy-monitoring-placeholder {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%) !important;
}

.industrial-placeholder {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%) !important;
}

.metallurgy-placeholder {
    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%) !important;
}

.satellite-placeholder {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%) !important;
}

.embedded-placeholder {
    background: linear-gradient(135deg, #ff8a80 0%, #ea4c89 100%) !important;
}

/* 响应式设计 - 案例占位符 */
@media (max-width: 767px) {
    .case-image .image-placeholder {
        font-size: 2.5rem;
        padding: 15px;
    }
    
    .case-image .image-placeholder h4 {
        font-size: 1.1rem;
        margin: 8px 0 4px 0;
    }
    
    .case-image .image-placeholder p {
        font-size: 0.8rem;
    }
}

@media (max-width: 479px) {
    .case-image .image-placeholder {
        font-size: 2rem;
        padding: 12px;
    }
    
    .case-image .image-placeholder h4 {
        font-size: 1rem;
        margin: 6px 0 3px 0;
    }
    
    .case-image .image-placeholder p {
        font-size: 0.75rem;
    }
}

/* 新增案例占位符样式 */
.software-rd-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.software-dev-placeholder {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
}

.tech-company-placeholder {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%) !important;
}

.smart-software-placeholder {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%) !important;
}

.internet-system-placeholder {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%) !important;
}

.business-system-placeholder {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%) !important;
}

.police-system-placeholder {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%) !important;
}
/* E\-NQ<h^@\ */
.centered-grid {
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* OS�]\OAmz^@\ */
.workflow-grid.optimized {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.workflow-grid.optimized .workflow-step {
    text-align: center;
    padding: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.workflow-grid.optimized .workflow-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.workflow-grid.optimized .step-number {
    position: static;
    margin: 0 auto 15px;
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

.workflow-grid.optimized .workflow-step h4 {
    margin-top: 0;
    font-size: 1.3rem;
    color: #333;
}

.workflow-grid.optimized .workflow-step p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}


/* �������񲼾� */
.centered-grid {
    justify-content: center;
    align-items: center;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* �Ż��������̲��� */
.workflow-grid.optimized {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.workflow-grid.optimized .workflow-step {
    text-align: center;
    padding: 25px 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 220px;
    display: flex;
    flex-direction: column;
}

.workflow-grid.optimized .workflow-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.workflow-grid.optimized .step-number {
    position: static;
    margin: 0 auto 10px;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    align-self: center;
}

.workflow-grid.optimized .workflow-step h4 {
    margin-top: 0;
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 12px;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.workflow-grid.optimized .workflow-step p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
    align-self: center;
    width: 100%;
}

/* 响应式设计：在中等屏幕上显示2列，在小屏幕上显示1列 */
@media (max-width: 1200px) {
    .workflow-grid.optimized {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .workflow-grid.optimized {
        grid-template-columns: 1fr;
        max-width: 600px;
    }
    
    .workflow-grid.optimized .workflow-step {
        min-height: auto;
        padding: 20px;
    }
}