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

/* 基础样式 */
:root {
    --primary-color: #0056b3; /* 深蓝色 */
    --secondary-color: #003d7a; /* 更深的蓝色 */
    --accent-color: #00aaff; /* 亮蓝色 */
    --text-color: #333;
    --light-gray: #f8f9fa; /* 浅灰色 */
    --medium-gray: #e9ecef; /* 中灰色 */
    --dark-gray: #495057; /* 深灰色文本 */
    --border-color: #dee2e6; /* 边框颜色 */
    --success-color: #28a745; /* 绿色 */
    --warning-color: #ffc107; /* 黄色 */
    --danger-color: #dc3545; /* 红色 */
    --white: #fff;
    --black: #000;
}

body {
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--light-gray); /* 设置页面背景色 */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px; /* 调整内边距 */
}

/* 通用章节样式 */
.section {
    padding: 80px 0; /* 统一章节上下边距 */
    background-color: var(--white); /* 章节背景色 */
    margin-bottom: 30px; /* 章节间距 */
    box-shadow: 0 2px 10px rgba(0,0,0,0.05); /* 添加轻微阴影 */
}

.section:nth-child(odd) {
    background-color: var(--light-gray); /* 奇数章节使用浅灰色背景 */
}

.section-header {
    text-align: center;
    margin-bottom: 60px; /* 增加头部间距 */
}

.section-header h2 {
    font-size: 2.8em; /* 调整标题大小 */
    color: var(--dark-gray); /* 标题颜色 */
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

.section-desc {
    font-size: 1.3em; /* 调整描述大小 */
    color: var(--dark-gray); /* 描述颜色 */
    max-width: 800px;
    margin: 0 auto;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 15px 0; /* 调整内边距 */
    transition: padding 0.3s ease-in-out;
}

.navbar.scrolled {
    padding: 10px 0; /* 滚动后减小内边距 */
}

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

.logo-img {
    height: 40px; /* 调整logo大小 */
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--dark-gray); /* 链接颜色 */
    text-decoration: none;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease-in-out;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px 0;
    transition: all 0.3s;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 头部横幅样式 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 100px 0; /* 调整上下内边距，保证内容有空间 */
    color: white;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero-bg.jpg') no-repeat center center/cover;
    z-index: 0;
    -webkit-transform: scale(1.1); /* Added for compatibility */
    -moz-transform: scale(1.1); /* Added for compatibility */
    transform: scale(1.1); /* 图片轻微放大，增加视差感 */
    -webkit-filter: brightness(0.8); /* Added for compatibility */
    filter: brightness(0.8); /* 调整亮度 */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* 深色叠加层 */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    opacity: 0; /* 初始状态设置为透明 */
    -webkit-transform: translateY(20px); /* Added for compatibility */
    -moz-transform: translateY(20px); /* Added for compatibility */
    transform: translateY(20px); /* 初始位置下移 */
    -webkit-animation: fadeIn 1.2s ease-out forwards; /* Added for compatibility */
    animation: fadeIn 1.2s ease-out forwards; /* 应用淡入动画 */
}

.main-title {
    font-size: 4em; /* 进一步增大标题 */
    margin-bottom: 30px; /* 调整底部间距 */
    font-weight: 700;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.4); /* 调整文本阴影 */
}

.sub-title {
    font-size: 2.2em; /* 调整副标题大小 */
    margin-bottom: 40px; /* 调整底部间距 */
    font-weight: 400;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.3); /* 调整文本阴影 */
}

.hero-text {
    font-size: 1.4em; /* 调整文本大小 */
    margin-bottom: 60px; /* 调整底部间距 */
    opacity: 0.95;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 35px; /* 调整内边距 */
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease-in-out;
    border: none;
    cursor: pointer;
    font-size: 1.1em;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0,86,179,0.3);
}

.btn-primary:hover {
    background: var(--secondary-color);
    box-shadow: 0 6px 20px rgba(0,61,122,0.4);
    transform: translateY(-2px);
}

/* 医保新规样式 */
.new-policy .policy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); /* 调整最小宽度 */
    gap: 30px;
    margin-bottom: 60px;
}

.new-policy .policy-feature-card {
    background: var(--white);
    padding: 30px; /* 调整内边距 */
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08); /* 调整阴影 */
    transition: transform 0.3s ease-in-out;
}

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

.new-policy .feature-icon {
    font-size: 2.2em; /* 调整图标大小 */
    color: var(--primary-color);
    margin-bottom: 20px;
}

.new-policy .policy-feature-card h4 {
    font-size: 1.6em; /* 调整标题大小 */
    color: var(--dark-gray);
    margin-bottom: 20px;
    border-bottom: 1px solid var(--medium-gray); /* 添加底部分隔线 */
    padding-bottom: 15px;
}

.new-policy .policy-feature-card ul {
    list-style: none;
    padding: 0;
}

.new-policy .policy-feature-card li {
    margin-bottom: 15px; /* 调整列表项间距 */
    display: flex;
    align-items: flex-start; /* 将这里从 center 改为 flex-start */
    gap: 12px; /* 调整图标与文本间距 */
    font-size: 1.1em;
    color: var(--text-color);
}

.new-policy .policy-feature-card li i {
    color: var(--success-color); /* 勾选图标颜色 */
}

.new-policy .policy-comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
}

.new-policy .policy-comparison-table th:first-child,
.new-policy .policy-comparison-table td:first-child {
    width: 20%; /* 分配更多宽度给第一列 */
    white-space: nowrap; /* 防止文字换行 */
}

.new-policy .policy-comparison-table th,
.new-policy .policy-comparison-table td {
    padding: 15px; /* 调整表格内边距 */
    border: 1px solid var(--border-color);
    text-align: left;
    /* 其他列可以根据剩余空间自动分配 */
}

.new-policy .policy-comparison-table th {
    background: var(--medium-gray); /* 表头背景 */
    font-weight: 600;
    color: var(--dark-gray);
}

.new-policy .policy-comparison-table tr:nth-child(even) {
    background-color: var(--light-gray); /* 交替行背景色 */
}

/* 影响分析卡片 */
.new-policy .policy-impact-section h3 {
    font-size: 2em;
    color: var(--dark-gray);
    text-align: center;
    margin-bottom: 40px;
}

.new-policy .impact-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* 调整最小宽度 */
    gap: 30px;
    margin: 0 0 60px 0; /* 调整外边距 */
}

.new-policy .impact-card {
    background: var(--white);
    padding: 30px; /* 调整内边距 */
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08); /* 调整阴影 */
    text-align: center;
    transition: transform 0.3s ease-in-out;
}

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

.new-policy .impact-icon {
    font-size: 3em; /* 调整图标大小 */
    margin-bottom: 20px;
}

.new-policy .impact-card h5 {
    font-size: 1.4em; /* 调整标题大小 */
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.new-policy .impact-card p {
    font-size: 1.1em;
    color: var(--text-color);
}

.hospital-impact { color: var(--primary-color); }
.patient-impact { color: var(--success-color); }
.industry-impact { color: var(--warning-color); }

/* 价格影响分析 */
.new-policy .policy-price-impact {
    background: var(--medium-gray); /* 调整背景色 */
    padding: 40px; /* 调整内边距 */
    border-radius: 10px;
    margin-bottom: 60px;
}

.new-policy .price-impact-title {
    font-size: 2em; /* 调整标题大小 */
    color: var(--dark-gray);
    margin-bottom: 30px;
    text-align: center;
}

.new-policy .price-impact-list {
    list-style: none; /* 移除默认列表样式 */
    padding: 0;
}

.new-policy .price-impact-list li {
    margin-bottom: 20px;
    padding-left: 25px; /* 调整内边距 */
    position: relative;
    font-size: 1.1em;
    color: var(--text-color);
}

.new-policy .price-impact-list li strong {
    color: var(--dark-gray);
}

.new-policy .price-impact-list li::before {
    content: "\2022"; /* 使用圆点作为列表标记 */
    position: absolute;
    left: 0;
    color: var(--primary-color); /* 标记颜色 */
    font-weight: bold;
}

/* 挑战与解决方案 */
.new-policy .our-value-section h3 {
    font-size: 2em;
    color: var(--dark-gray);
    text-align: center;
    margin-bottom: 40px;
}

.new-policy .challenge-solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); /* 调整最小宽度 */
    gap: 30px;
    margin-top: 0;
}

.new-policy .challenge-card,
.new-policy .solution-card {
    background: var(--white);
    padding: 30px; /* 调整内边距 */
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08); /* 调整阴影 */
}

.new-policy .challenge-icon,
.new-policy .solution-icon {
    font-size: 2.2em; /* 调整图标大小 */
    margin-bottom: 20px;
}

.new-policy .challenge-card h4,
.new-policy .solution-card h4 {
    font-size: 1.6em; /* 调整标题大小 */
    color: var(--dark-gray);
    margin-bottom: 20px;
    border-bottom: 1px solid var(--medium-gray); /* 添加底部分隔线 */
    padding-bottom: 15px;
}

.new-policy .challenge-card ul,
.new-policy .solution-card ul {
    list-style: none;
    padding: 0;
}

.new-policy .challenge-card li,
.new-policy .solution-card li {
    margin-bottom: 15px; /* 调整列表项间距 */
    display: flex;
    align-items: flex-start; /* 将这里从 center 改为 flex-start */
    gap: 12px; /* 调整图标与文本间距 */
    font-size: 1.1em;
    color: var(--text-color);
}

.new-policy .challenge-card li i {
    color: var(--danger-color); /* 图标颜色 */
}

.new-policy .solution-card li i {
    color: var(--success-color); /* 图标颜色 */
}
.new-policy .challenge-card p,
.new-policy .solution-card p {
    font-size: 1.1em;
    color: var(--text-color);
    margin-bottom: 20px;
}

.new-policy .solution-card strong {
    color: var(--dark-gray);
}

/* 核心优势样式 */
.services .service-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.services .highlight-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease-in-out;
}

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

.services .card-img {
    width: 100%;
    height: 220px; /* 调整图片高度 */
    object-fit: cover;
}

.services .card-content {
    padding: 25px; /* 调整内边距 */
}

.services .card-content h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 1.5em;
    color: var(--dark-gray);
}

.services .card-content h3 i {
    color: var(--primary-color);
}

.services .card-content p {
    font-size: 1.1em;
    color: var(--text-color);
}

.services .process-title {
    font-size: 2em;
    color: var(--dark-gray);
    text-align: center;
    margin-bottom: 40px;
}

.services .process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 40px 0 60px 0;
    position: relative;
}

.services .process-steps::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--medium-gray);
    z-index: 0;
}

.services .process-step {
    text-align: center;
    position: relative;
    z-index: 1;
    background: var(--white); /* 步骤背景色 */
    padding-top: 20px; /* 调整内边距 */
}

.services .step-number {
    width: 50px; /* 调整数字圈大小 */
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-weight: bold;
    font-size: 1.3em;
    border: 3px solid var(--white); /* 数字圈边框 */
}

.services .process-step h4 {
    font-size: 1.3em;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.services .process-step p {
    font-size: 1em;
    color: var(--text-color);
}

.services .process-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    background: var(--medium-gray); /* 信息背景色 */
    padding: 30px; /* 调整内边距 */
    border-radius: 10px;
}

.services .info-item {
    text-align: center;
}

.services .info-item i {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.services .info-item h4 {
    font-size: 1.4em;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.services .info-item p {
    font-size: 1.1em;
    color: var(--text-color);
}

/* 为什么选择我们样式 */
.why-choose-us-main .why-choose-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* 调整最小宽度 */
    gap: 20px;
}

.why-choose-us-main .why-choose-item {
    background: var(--white);
    padding: 20px; /* 调整内边距 */
    border-left: 4px solid var(--primary-color); /* 左侧强调边框 */
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 15px; /* 调整图标与文本间距 */
    font-size: 1.1em;
    color: var(--text-color);
}

.why-choose-us-main .why-choose-item i {
    color: var(--success-color); /* 图标颜色 */
    font-size: 1.3em;
}

/* 成功案例样式 */
.cases .cases-wrapper {
    display: flex; /* 使用flex布局 */
    gap: 40px;
    flex-wrap: wrap; /* 允许换行 */
}

.cases .case-images {
    flex: 1; /* 占据可用空间 */
    min-width: 300px; /* 最小宽度 */
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.cases .case-images img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.cases .case-images img.active {
    opacity: 1;
    position: static; /* 活动图片使用静态定位 */
}

.cases .case-content {
    flex: 2; /* 占据更多空间 */
    min-width: 350px; /* 最小宽度 */
    background: var(--white);
    padding: 30px; /* 调整内边距 */
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.cases .case-tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.cases .tab-btn {
    padding: 15px 20px; /* 调整内边距 */
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1.1em;
    color: var(--text-color);
    transition: color 0.3s ease-in-out, border-bottom-color 0.3s ease-in-out;
    border-bottom: 3px solid transparent;
    margin-right: 20px;
}

.cases .tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.cases .tab-pane {
    display: none;
}

.cases .tab-pane.active {
    display: block;
}

.cases .tab-pane h3 {
    font-size: 1.6em;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.cases .tab-pane ul {
    list-style: none;
    padding: 0;
}

.cases .tab-pane li {
    margin-bottom: 15px;
    font-size: 1.1em;
    color: var(--text-color);
    position: relative;
    padding-left: 20px;
}

.cases .tab-pane li::before {
    content: "\2022"; /* 使用圆点 */
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.cases .testimonial-card {
    background: var(--white); /* 调整背景色 */
    padding: 40px; /* 调整内边距 */
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    margin-top: 60px; /* 调整上边距 */
    text-align: right;
    font-style: italic;
    color: var(--dark-gray);
}

.cases .testimonial-quote {
    font-size: 1.4em; /* 调整字体大小 */
    margin-bottom: 25px;
}

.cases .testimonial-quote i {
    color: var(--primary-color);
    margin-right: 10px;
}

.cases .testimonial-author {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-color);
}

/* 联系我们样式 */
.contact .contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px; /* 调整间距 */
}

.contact .contact-info {
    display: grid;
    gap: 30px;
    background: var(--white); /* 添加卡片背景 */
    padding: 30px; /* 添加内边距 */
    border-radius: 10px; /* 添加圆角 */
    box-shadow: 0 5px 20px rgba(0,0,0,0.08); /* 添加阴影 */
}

.contact .info-item {
    display: flex; /* info-item 内部使用flex排列图标和详情 */
    align-items: center;
    gap: 20px;
    /* 移除 info-box 原有的背景、内边距、阴影等样式 */
}

.contact .info-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8em; /* 调整图标大小 */
}

.contact .info-details h3 {
    font-size: 1.3em;
    color: var(--dark-gray);
    margin-bottom: 5px;
}

.contact .info-details p {
    font-size: 1.1em;
    color: var(--text-color);
}

.contact .contact-form {
    background: var(--white); /* 表单背景色 */
    padding: 30px; /* 调整内边距 */
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.contact .form-title {
    font-size: 1.8em;
    color: var(--dark-gray);
    margin-bottom: 30px;
    text-align: center;
}

.contact .form-group {
    margin-bottom: 20px; /* 调整底部间距 */
    display: flex; /* 使用Flexbox布局 */
    align-items: center; /* 垂直居中对齐 */
    gap: 15px; /* 标签和输入框之间的间距 */
}

.contact .form-group label {
    display: block; /* 保持label为块级元素 */
    margin-bottom: 0; /* 移除底部margin */
    font-weight: 600;
    color: var(--dark-gray);
    font-size: 1.1em;
    flex-shrink: 0; /* 防止标签收缩 */
    width: 100px; /* 给标签固定宽度 */
}

.contact .form-group input,
.contact .form-group textarea {
    width: 100%; /* 输入框占据剩余宽度 */
    padding: 10px; /* 调整内边距 */
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s ease-in-out;
    flex-grow: 1; /* 允许输入框增长 */
}

/* 调整textarea的高度 */
.contact .form-group textarea {
    height: 100px; /* 固定textarea高度 */
    resize: vertical; /* 允许垂直调整大小 */
}

/* 调整移动端form-group布局 */
@media (max-width: 576px) {
    .contact .form-group {
        flex-direction: column; /* 在小屏幕上变回垂直布局 */
        align-items: flex-start;
        gap: 8px; /* 调整垂直间距 */
    }

    .contact .form-group label {
        width: auto; /* 移除固定宽度 */
    }
}

.contact .btn-primary {
    width: 100%; /* 按钮宽度 */
    padding: 15px; /* 调整内边距 */
    font-size: 1.2em;
}

/* 底部样式 */
.footer {
    background: var(--dark-gray); /* 调整背景色 */
    color: var(--white);
    padding: 60px 0 30px; /* 调整内边距 */
}

.footer .container {
    display: flex;
    flex-direction: column; /* 垂直布局 */
    align-items: center;
}

.footer-logo {
    margin-bottom: 40px;
}

.footer-logo img {
    height: 50px; /* 调整logo大小 */
    filter: brightness(0) invert(1); /* 使logo变为白色 */
}

.footer-links {
    display: flex; /* 使用flex布局 */
    gap: 50px; /* 调整间距 */
    margin-bottom: 40px;
    flex-wrap: wrap; /* 允许换行 */
    justify-content: center;
}

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

.footer-col h3 {
    margin-bottom: 25px;
    font-size: 1.3em;
    color: var(--accent-color); /* 标题颜色 */
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

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

.footer-col a {
    color: var(--medium-gray); /* 链接颜色 */
    text-decoration: none;
    font-size: 1.1em;
    transition: color 0.3s ease-in-out;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.15);
    width: 100%;
    font-size: 1em;
    color: var(--medium-gray);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .section-header h2 {
        font-size: 2.2em;
    }

    .section-desc {
        font-size: 1.1em;
    }

    .main-title {
        font-size: 3.2em;
    }

    .sub-title {
        font-size: 1.8em;
    }

    .hero-text {
        font-size: 1.2em;
    }

    .new-policy .policy-grid,
    .new-policy .impact-cards-container,
    .new-policy .challenge-solution-grid,
    .services .service-highlights,
    .services .process-steps,
    .services .process-info,
    .why-choose-us-main .why-choose-list,
    .contact .contact-wrapper {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }

    .cases .cases-wrapper {
        flex-direction: column;
        gap: 30px;
    }

    .cases .case-content {
        min-width: unset;
        width: 100%;
    }

    .footer-links {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 10px 0;
    }

    .logo-img {
        height: 35px;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        padding: 20px 0;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        text-align: center;
        margin: 10px 0;
    }

    .nav-link::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px 0; /* 调整小屏幕上下内边距 */
    }

    .main-title {
        font-size: 2.8em;
    }

    .sub-title {
        font-size: 1.5em;
    }

    .hero-text {
        font-size: 1em;
    }

    .section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-header h2 {
        font-size: 2em;
    }

    .section-desc {
        font-size: 1em;
    }

    .new-policy .policy-grid,
    .new-policy .impact-cards-container,
    .new-policy .challenge-solution-grid,
    .services .service-highlights,
    .services .process-steps,
    .services .process-info,
    .why-choose-us-main .why-choose-list,
    .contact .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .new-policy .policy-feature-card,
    .new-policy .impact-card,
    .new-policy .challenge-card,
    .new-policy .solution-card,
    .services .highlight-card,
    .services .process-info,
    .contact .info-box,
    .contact .contact-form,
    .cases .case-content,
    .cases .testimonial-card {
        padding: 25px;
    }

    .cases .case-images {
        min-height: 300px; /* 调整图片容器高度 */
    }

    .cases .tab-btn {
        font-size: 1em;
        padding: 10px 15px;
    }

    .cases .testimonial-card {
        padding: 30px;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-logo {
        margin-bottom: 30px;
    }

    .footer-links {
        flex-direction: column;
        gap: 20px;
    }

    .footer-col h3 {
        margin-bottom: 15px;
    }

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

@media (max-width: 576px) {
    .main-title {
        font-size: 2.2em;
    }

    .sub-title {
        font-size: 1.3em;
    }

    .hero-text {
        font-size: 0.9em;
        margin-bottom: 40px; /* 调整底部间距 */
    }

    .section-header h2 {
        font-size: 1.8em;
    }

    .section-desc {
        font-size: 0.9em;
    }

    .btn {
        padding: 10px 25px;
        font-size: 1em;
    }

    .new-policy .policy-feature-card h4,
    .new-policy .impact-card h5,
    .new-policy .price-impact-title,
    .new-policy .our-value-section h3,
    .services .card-content h3,
    .services .process-title,
    .services .info-item h4,
    .cases .tab-pane h3,
    .contact .form-title,
    .footer-col h3 {
        font-size: 1.5em;
    }

    .cases .testimonial-quote {
        font-size: 1.2em;
    }
}

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

@-moz-keyframes fadeIn {
    from { opacity: 0; -moz-transform: translateY(20px); } /* Added for compatibility */
    to { opacity: 1; -moz-transform: translateY(0); } /* Added for compatibility */
}

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