* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
}

:target {
    scroll-margin-top: 80px;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

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

/* ===== 头部样式 ===== */
header {
    background: linear-gradient(135deg, #0c1a3a 0%, #1a3a7a 100%);
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 10px;
    border-radius: 4px;
}

nav ul li a:hover {
    color: #a3c6ff;
    background: rgba(255,255,255,0.1);
}

/* ===== 主要内容区域 ===== */
.main-content {
    padding: 100px 0 40px;
}

.section {
    margin-bottom: 60px;
    scroll-margin-top: 80px;
}

.hero {
    background: linear-gradient(rgba(12, 26, 58, 0.8), rgba(12, 26, 58, 0.9)), url('https://images.unsplash.com/photo-1533473359331-0135ef1b58bf?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
    border-radius: 10px;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 20px;
    max-width: 700px;
    margin: 0 auto 30px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-block;
    background: #4a7dff;
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
    text-decoration: none;
}

.btn:hover {
    background: #2d5fd9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 125, 255, 0.3);
}

.btn-primary {
    background: #4a7dff;
}

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

.btn-secondary:hover {
    background: white;
    color: #1a3a7a;
}

.btn-large {
    padding: 15px 40px;
    font-size: 18px;
    background: linear-gradient(135deg, #4a7dff 0%, #2d5fd9 100%);
}

.btn-center {
    text-align: center;
    margin-top: 20px;
}

/* ===== 通用组件样式 ===== */
.section-title {
    text-align: center;
    margin-bottom: 40px;
    color: #1a3a7a;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: #4a7dff;
    margin: 10px auto;
}

/* ===== 卡片通用样式 ===== */
.service-card, .news-card, .advantage-card, .contact-card, .knowledge-card, .policy-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

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

/* ===== 服务相关样式 ===== */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.service-card {
    padding: 25px;
    text-align: center;
}

.service-card h3 {
    color: #1a3a7a;
    margin-bottom: 15px;
    font-size: 20px;
}

.service-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

/* 业务范围页面特定样式 */
.services-grid {
    display: grid;
    gap: 30px;
}

.service-feature {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    align-items: start;
    padding: 30px;
}

.feature-icon {
    font-size: 60px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-content h3 {
    color: #1a3a7a;
    margin-bottom: 15px;
    font-size: 24px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-top: 15px;
}

.feature-list li {
    padding: 8px 0;
    border-bottom: 1px solid #f1f1f1;
    position: relative;
    padding-left: 20px;
}

.feature-list li:before {
    content: "•";
    color: #4a7dff;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.feature-list li:last-child {
    border-bottom: none;
}

/* ===== 资讯相关样式 ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.news-card {
    overflow: hidden;
}

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-date {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-title {
    color: #1a3a7a;
    margin-bottom: 10px;
    font-size: 18px;
}

.news-summary {
    color: #666;
    line-height: 1.5;
}

.news-link {
    color: #4a7dff;
    text-decoration: none;
    font-weight: 500;
    margin-top: 15px;
    display: inline-block;
}

.news-link:hover {
    text-decoration: underline;
}

/* 大资讯卡片 */
.news-card-large {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
}

.news-category {
    background: #e7f3ff;
    color: #4a7dff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

/* ===== 调查问卷样式 ===== */
.survey-form {
    padding: 30px;
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #333;
}

.options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
}

.option {
    background: #f8f9fa;
    padding: 12px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.option:hover {
    background: #e9ecef;
}

.option.selected {
    background: #e7f3ff;
    border-left: 4px solid #4a7dff;
}

.option input {
    margin-right: 10px;
}

/* 调查介绍 */
.survey-intro {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.intro-card {
    padding: 30px;
    max-width: 600px;
    width: 100%;
}

.intro-card h3 {
    color: #1a3a7a;
    margin-bottom: 20px;
    text-align: center;
}

.intro-card ul {
    list-style: none;
    padding: 0;
}

.intro-card li {
    padding: 8px 0;
    border-bottom: 1px solid #f1f1f1;
    position: relative;
    padding-left: 25px;
}

.intro-card li:before {
    content: "✓";
    color: #4a7dff;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.intro-card li:last-child {
    border-bottom: none;
}

/* 个人信息表单 */
.personal-info {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    margin: 30px 0;
}

.personal-info h3 {
    color: #1a3a7a;
    margin-bottom: 20px;
    text-align: center;
}

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

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

.info-group label {
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.info-group input,
.info-group select {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.info-group input:focus,
.info-group select:focus {
    outline: none;
    border-color: #4a7dff;
    box-shadow: 0 0 0 2px rgba(74, 125, 255, 0.1);
}

/* 表单验证 */
input:invalid, select:invalid {
    border-color: #ff6b6b;
}

/* ===== 数据展示样式 ===== */
.data-section, .real-time-data {
    padding: 30px;
    margin-bottom: 40px;
}

.data-container {
    border: 1px solid #e9ecef;
    border-radius: 5px;
    overflow: hidden;
}

.data-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    background: #f8f9fa;
    padding: 15px 20px;
    font-weight: bold;
    color: #1a3a7a;
    border-bottom: 2px solid #4a7dff;
}

.data-items {
    max-height: 300px;
    overflow-y: auto;
}

.data-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    padding: 12px 20px;
    border-bottom: 1px solid #f1f1f1;
    transition: background-color 0.3s;
}

.data-item:hover {
    background-color: #f8f9fa;
}

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

.data-field {
    display: flex;
    align-items: center;
    padding: 5px 0;
}

/* ===== 统计数字样式 ===== */
.stats-section {
    background: linear-gradient(135deg, #1a3a7a 0%, #0c1a3a 100%);
    color: white;
    padding: 60px 0;
    border-radius: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #4a7dff;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* ===== 关于我们页面样式 ===== */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text h2 {
    color: #1a3a7a;
    margin-bottom: 20px;
}

.about-text h3 {
    color: #1a3a7a;
    margin: 25px 0 15px;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.team-card {
    padding: 30px;
    text-align: center;
}

.team-avatar {
    font-size: 60px;
    margin-bottom: 15px;
}

.certifications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

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

.cert-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

/* ===== 服务流程样式 ===== */
.process-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.process-step {
    text-align: center;
    padding: 30px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #4a7dff;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

/* ===== 优势卡片样式 ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.advantage-card {
    padding: 30px 20px;
    text-align: center;
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

/* ===== 成功案例样式 ===== */
.case-studies {
    display: grid;
    gap: 40px;
}

.case-study {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    overflow: hidden;
}

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

.case-content {
    padding: 30px;
}

.case-desc {
    color: #666;
    margin: 15px 0;
    line-height: 1.6;
}

.case-results {
    display: flex;
    gap: 30px;
    margin-top: 20px;
}

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

.result-number {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: #4a7dff;
}

.result-label {
    font-size: 14px;
    color: #666;
}

/* ===== CTA区域样式 ===== */
.cta-section {
    background: linear-gradient(135deg, #1a3a7a 0%, #0c1a3a 100%);
    color: white;
    text-align: center;
    padding: 60px 0;
    border-radius: 8px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

/* ===== 知识库样式 ===== */
.knowledge-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.knowledge-card {
    padding: 30px;
}

.knowledge-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.knowledge-card ul, .knowledge-card ol {
    padding-left: 20px;
    margin-top: 15px;
}

.knowledge-card li {
    padding: 5px 0;
    color: #666;
}

/* ===== 趋势内容样式 ===== */
.trends-content {
    display: grid;
    gap: 25px;
}

.trend-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 20px;
    align-items: start;
    padding: 25px;
}

.trend-icon {
    font-size: 48px;
    text-align: center;
}

/* ===== 政策卡片样式 ===== */
.policy-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.policy-card {
    padding: 25px;
}

.policy-tags {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.policy-tag {
    background: #e7f3ff;
    color: #4a7dff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
}

/* ===== 联系我们页面样式 ===== */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.contact-card {
    text-align: center;
    padding: 30px 20px;
    transition: transform 0.3s ease;
}

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

.contact-card h3 {
    color: #1a3a7a;
    margin-bottom: 15px;
    font-size: 18px;
}

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

.contact-time {
    color: #888;
    font-size: 14px;
    margin-top: 10px;
    font-style: italic;
}

/* 自定义图标样式 */
.icon-location, .icon-phone, .icon-email, .icon-chat, .icon-map {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: #4a7dff;
    border-radius: 50%;
    position: relative;
    margin-bottom: 15px;
}

.contact-card .contact-icon {
    margin: 0 auto 20px;
}

.icon-location:before {
    content: "📍";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
}

.icon-phone:before {
    content: "📞";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
}

.icon-email:before {
    content: "✉️";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
}

.icon-chat:before {
    content: "💬";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
}

.icon-map:before {
    content: "🗺️";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
}

/* 联系表单 */
.contact-form-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.contact-form {
    padding: 30px;
}

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

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-group textarea {
    resize: vertical;
}

.form-submit {
    text-align: center;
    margin-top: 30px;
}

/* 联系侧边栏 */
.contact-sidebar {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
}

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

.sidebar-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
}

.sidebar-feature:last-child {
    border-bottom: none;
}

.feature-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: #4a7dff;
    color: white;
    border-radius: 50%;
    margin-right: 10px;
    font-size: 12px;
    font-weight: bold;
}

.response-time {
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-top: 25px;
    text-align: center;
    border-left: 4px solid #4a7dff;
}

.response-time h4 {
    color: #1a3a7a;
    margin-bottom: 10px;
}

.response-time p {
    color: #666;
    margin: 0;
}

/* 地图区域 */
.map-placeholder {
    background: #f8f9fa;
    padding: 60px;
    border-radius: 8px;
    text-align: center;
}

.map-icon {
    margin-bottom: 20px;
}

.map-content h3 {
    color: #1a3a7a;
    margin-bottom: 10px;
}

.map-content > p {
    color: #666;
    margin-bottom: 30px;
}

.map-address {
    margin-top: 30px;
    text-align: left;
}

.map-address ul {
    list-style: none;
    padding: 0;
}

.map-address li {
    padding: 8px 0;
    color: #666;
    border-bottom: 1px solid #f1f1f1;
}

.map-address li:last-child {
    border-bottom: none;
}

.transport-icon {
    display: inline-block;
    background: #e7f3ff;
    color: #4a7dff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    margin-right: 8px;
}

/* 常见问题 */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h3 {
    margin: 0;
    color: #1a3a7a;
    font-size: 16px;
}

.faq-toggle {
    font-size: 20px;
    font-weight: bold;
    color: #4a7dff;
}

.faq-answer {
    padding: 0 20px;
    display: none;
    border-top: 1px solid #f1f1f1;
}

.faq-answer p {
    padding: 20px 0;
    margin: 0;
    color: #666;
    line-height: 1.6;
}

/* 奖励信息 */
.reward-info {
    text-align: center;
    padding: 40px;
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.reward-card {
    padding: 25px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 8px;
    text-align: center;
}

.reward-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.reward-card h3 {
    color: #1a3a7a;
    margin-bottom: 10px;
}

.reward-note {
    color: #666;
    font-size: 14px;
    margin-top: 20px;
}

/* ===== 底部样式 ===== */
footer {
    background: #0c1a3a;
    color: #ecf0f1;
    padding: 40px 0 20px;
}

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

.footer-section h3 {
    margin-bottom: 20px;
    color: #4a7dff;
}

.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;
}

.footer-section ul li a:hover {
    color: #4a7dff;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #1a2c4e;
    font-size: 14px;
    color: #95a5a6;
}

/* ===== 弹窗样式 ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.modal h3 {
    color: #1a3a7a;
    margin-bottom: 15px;
}

.close-btn {
    background: #4a7dff;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 15px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .options, .info-grid, .contact-cards, .rewards-grid {
        grid-template-columns: 1fr;
    }

    .data-header, .data-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 5px;
    }

    .data-header {
        display: none;
    }

    .data-item {
        padding: 15px;
        border: 1px solid #e9ecef;
        margin-bottom: 10px;
        border-radius: 5px;
    }

    .data-field::before {
        content: attr(data-label);
        font-weight: bold;
        color: #1a3a7a;
        margin-right: 10px;
        min-width: 80px;
        text-align: left;
    }

    .data-field:nth-child(1)::before { content: "提交时间："; }
    .data-field:nth-child(2)::before { content: "姓名："; }
    .data-field:nth-child(3)::before { content: "电话："; }
    .data-field:nth-child(4)::before { content: "调查编号："; }

    .news-grid, .knowledge-cards, .policy-cards {
        grid-template-columns: 1fr;
    }

    .news-card-large, .case-study, .service-feature, .trend-item {
        grid-template-columns: 1fr;
    }

    .contact-form-container {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-card, .intro-card, .personal-info {
        padding: 20px 15px;
    }

    .icon-location, .icon-phone, .icon-email, .icon-chat {
        width: 50px;
        height: 50px;
    }

    .icon-location:before, .icon-phone:before, .icon-email:before, .icon-chat:before {
        font-size: 20px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .case-results {
        flex-direction: column;
        gap: 15px;
    }
}
/* ===== 公司简介样式（沿用上一个版本）===== */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text h2 {
    color: #1a3a7a;
    margin-bottom: 20px;
}

.about-text h3 {
    color: #1a3a7a;
    margin: 25px 0 15px;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* ===== 三列核心优势样式 ===== */
.advantages-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
}

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

.advantage-card-three {
    background: white;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.advantage-card-three:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.advantage-icon-three {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 25px;
    border: 4px solid #e7f3ff;
}

.advantage-icon-three img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.advantage-content-three h3 {
    color: #1a3a7a;
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-content-three p {
    color: #666;
    line-height: 1.6;
    font-size: 15px;
}

/* ===== 数据统计样式（沿用上一个版本）===== */
.stats-section {
    background: linear-gradient(135deg, #1a3a7a 0%, #0c1a3a 100%);
    color: white;
    padding: 60px 0;
    border-radius: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #4a7dff;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* ===== 资质认证样式 ===== */
.certification-section {
    background: linear-gradient(135deg, #1a3a7a 0%, #0c1a3a 100%);
    color: white;
    padding: 80px 0;
}

.certification-section .section-title {
    color: white !important;
}

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

.certification-item {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.cert-icon img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid rgba(255,255,255,0.3);
}

.cert-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: white;
    font-weight: 600;
}

.cert-content p {
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
    font-size: 15px;
}

/* ===== CTA区域样式 ===== */
.cta-section {
    background: linear-gradient(135deg, #1a3a7a 0%, #0c1a3a 100%);
    padding: 100px 0;
}

.cta-content-large {
    text-align: center;
    color: white;
}

.cta-content-large h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: white;
}

.cta-content-large p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

/* ===== 响应式调整 ===== */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .advantages-grid-three {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .advantage-card-three {
        padding: 30px 20px;
    }

    .advantage-icon-three {
        width: 100px;
        height: 100px;
    }

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

    .certification-item {
        padding: 30px 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-content-large h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-item {
        padding: 15px;
    }
}
/* ===== 专业业务范围样式 ===== */

/* 核心业务卡片 */
.services-grid-professional {
    display: grid;
    gap: 40px;
}

.service-card-professional {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.service-card-professional:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.service-image {
    height: 300px;
    overflow: hidden;
}

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

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

.service-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-content h3 {
    color: #1a3a7a;
    font-size: 28px;
    margin-bottom: 20px;
    font-weight: 600;
}

.service-content p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 16px;
}

.service-features {
    display: grid;
    gap: 12px;
}

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

.feature-dot {
    width: 8px;
    height: 8px;
    background: #4a7dff;
    border-radius: 50%;
    flex-shrink: 0;
}

.feature-item span:last-child {
    color: #555;
    font-size: 15px;
}

/* 服务流程 */
.process-section-professional {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
}

.process-steps-professional {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.process-step-professional {
    background: white;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    position: relative;
}

.process-step-professional:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.step-number-professional {
    font-size: 48px;
    font-weight: 700;
    color: #4a7dff;
    margin-bottom: 20px;
    line-height: 1;
    opacity: 0.8;
}

.step-content h3 {
    color: #1a3a7a;
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: 600;
}

.step-content p {
    color: #666;
    line-height: 1.6;
    font-size: 15px;
}

/* 服务优势 */
.advantages-section-professional {
    padding: 80px 0;
    background: white;
}

.advantages-grid-professional {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.advantage-item-professional {
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

.advantage-icon-professional {
    flex-shrink: 0;
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4a7dff 0%, #2d5fd9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 600;
}

.advantage-content-professional {
    flex: 1;
}

.advantage-content-professional h3 {
    color: #1a3a7a;
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-content-professional p {
    color: #666;
    line-height: 1.7;
    font-size: 15px;
}

/* 成功案例 */
.case-section-professional {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
}

.case-studies-professional {
    display: grid;
    gap: 40px;
}

.case-study-professional {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.case-image {
    height: 300px;
}

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

.case-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-content h3 {
    color: #1a3a7a;
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: 600;
}

.case-desc {
    color: #666;
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 16px;
}

.case-results {
    display: flex;
    gap: 40px;
}

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

.result-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #4a7dff;
    margin-bottom: 5px;
}

.result-label {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

/* CTA区域 */
.cta-section {
    background: linear-gradient(135deg, #1a3a7a 0%, #0c1a3a 100%);
    color: white;
    text-align: center;
    padding: 80px 0;
    border-radius: 12px;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: white;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

/* 响应式调整 */
@media (max-width: 1024px) {
    .service-card-professional {
        grid-template-columns: 1fr;
    }

    .service-image {
        height: 250px;
    }

    .process-steps-professional {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-study-professional {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .service-content {
        padding: 30px 25px;
    }

    .process-steps-professional {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .process-step-professional {
        padding: 30px 25px;
    }

    .advantages-grid-professional {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .advantage-item-professional {
        gap: 20px;
    }

    .icon-circle {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }

    .case-content {
        padding: 30px 25px;
    }

    .case-results {
        gap: 25px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-content h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .service-content h3 {
        font-size: 24px;
    }

    .step-number-professional {
        font-size: 36px;
    }

    .advantage-item-professional {
        flex-direction: column;
        text-align: center;
    }

    .case-results {
        flex-direction: column;
        gap: 20px;
    }
}

/* ===== 简洁文章列表样式 ===== */
.article-list {
    display: grid;
    gap: 20px;
}

.article-item {
    background: white;
    border-radius: 8px;
    padding: 25px 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-left: 4px solid #4a7dff;
    transition: all 0.3s ease;
}

.article-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

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

.article-title {
    color: #1a3a7a;
    font-size: 18px;
    margin-bottom: 10px;
    line-height: 1.4;
    font-weight: 600;
}

.article-summary {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 14px;
}

.article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 13px;
}

.article-date {
    color: #4a7dff;
    font-weight: 500;
}

.article-source {
    color: #888;
    background: #f8f9fa;
    padding: 2px 8px;
    border-radius: 4px;
}

.article-link {
    color: #4a7dff;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    align-self: flex-start;
    padding: 6px 0;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.article-link:hover {
    border-bottom-color: #4a7dff;
}

/* ===== 资讯同步介绍样式 ===== */
.sync-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #4a7dff;
}

.sync-intro p {
    color: #666;
    line-height: 1.6;
    margin: 0;
    font-size: 15px;
}

.sync-intro strong {
    color: #1a3a7a;
}

/* ===== 车险知识库样式 ===== */
.knowledge-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.knowledge-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-top: 4px solid #4a7dff;
}

.knowledge-content h3 {
    color: #1a3a7a;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.knowledge-card ul, .knowledge-card ol {
    padding-left: 20px;
    margin-top: 15px;
}

.knowledge-card li {
    padding: 6px 0;
    color: #555;
    line-height: 1.5;
    font-size: 14px;
}

.knowledge-card strong {
    color: #1a3a7a;
}

.knowledge-card ol li {
    padding: 8px 0;
}

/* ===== 响应式调整 ===== */
@media (max-width: 768px) {
    .article-item {
        padding: 20px;
    }

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

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

    .knowledge-cards {
        grid-template-columns: 1fr;
    }

    .knowledge-card {
        padding: 25px 20px;
    }
}
/* ===== 大气商务首页样式 ===== */

/* 主横幅 */
.hero-content-center {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

/* 调查作用与意义样式 */
.survey-significance {
    padding: 80px 0;
    background: #f8f9fa;
}

.significance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
}

.significance-card {
    background: white;
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-top: 4px solid #4a7dff;
}

.significance-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.significance-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 25px;
    border: 3px solid #e7f3ff;
}

.significance-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.significance-content h3 {
    color: #1a3a7a;
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 600;
}

.significance-content p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 15px;
}

.significance-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.significance-features li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
    font-size: 14px;
}

.significance-features li:before {
    content: "•";
    color: #4a7dff;
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 16px;
}

/* 服务概览 */
.services-overview {
    padding: 80px 0;
    background: white;
}

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

.service-overview-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.service-overview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

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

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

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

.service-overview-content {
    padding: 30px;
}

.service-overview-content h3 {
    color: #1a3a7a;
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-overview-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 15px;
}

.service-link {
    color: #4a7dff;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.service-link:hover {
    border-bottom-color: #4a7dff;
}

/* 数据统计 */
.stats-showcase {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a3a7a 0%, #0c1a3a 100%);
    color: white;
}

.stats-showcase .section-title {
    color: white;
}

.stats-grid-professional {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.stat-professional {
    text-align: center;
    padding: 30px 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #4a7dff;
    margin-bottom: 10px;
    line-height: 1;
}

.stat-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: white;
}

.stat-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}

/* 最新资讯 */
.news-preview {
    padding: 80px 0;
    background: #f8f9fa;
}

.news-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.news-preview-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.news-preview-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

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

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

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

.news-preview-content {
    padding: 25px;
}

.news-preview-content h3 {
    color: #1a3a7a;
    font-size: 18px;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.4;
}

.news-preview-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 14px;
}

.news-preview-link {
    color: #4a7dff;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.news-preview-link:hover {
    border-bottom-color: #4a7dff;
}

.news-preview-cta {
    text-align: center;
}

.btn-outline {
    background: transparent;
    border: 2px solid #4a7dff;
    color: #4a7dff;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: #4a7dff;
    color: white;
}

/* 最终CTA */
.cta-final {
    padding: 100px 0;
    background: white;
}

.cta-final-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-final-content h2 {
    color: #1a3a7a;
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: 600;
}

.cta-final-content p {
    color: #666;
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 40px;
}

.cta-final-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .significance-card {
        padding: 30px 25px;
    }

    .significance-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 20px;
    }

    .services-grid-overview {
        grid-template-columns: 1fr;
    }

    .stats-grid-professional {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .news-preview-grid {
        grid-template-columns: 1fr;
    }

    .cta-final-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-final-content h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .stats-grid-professional {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 36px;
    }

    .significance-card {
        margin: 0 10px;
    }
}
/* ===== 轮播图样式 ===== */
.services-carousel {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    max-width: 1000px;
}

.carousel-container {
    display: flex;
    transition: transform 0.5s ease;
}

.service-carousel-card {
    min-width: 100%;
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.service-carousel-image {
    height: 300px;
    overflow: hidden;
}

.service-carousel-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.service-carousel-content {
    padding: 40px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-carousel-content h3 {
    color: #1a3a7a;
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-carousel-content p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
    font-size: 15px;
}

.service-link {
    color: #4a7dff;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.service-link:hover {
    border-bottom-color: #4a7dff;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    margin-top: 30px;
    gap: 10px;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #cbd5e1;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.carousel-dot.active {
    background-color: #4a7dff;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 20px;
    color: #1a3a7a;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    z-index: 10;
    border: none;
}

.carousel-arrow:hover {
    background: white;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-50%) scale(1.1);
}

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

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

/* 响应式调整 */
@media (max-width: 768px) {
    .service-carousel-content {
        padding: 30px 25px;
    }

    .service-carousel-content h3 {
        font-size: 20px;
    }

    .carousel-arrow {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

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

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

    .service-carousel-image {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .service-carousel-content {
        padding: 25px 20px;
    }

    .carousel-arrow {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
}