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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    background-attachment: fixed;
}

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

/* 头部导航样式 */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    z-index: 1000;
    border-bottom: 2px solid #f39c12;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo h1 {
    margin: 0;
}

.logo-link {
    color: #f39c12;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, #f39c12, #e67e22);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
    transition: all 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.05);
    text-shadow: 0 4px 8px rgba(243, 156, 18, 0.4);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #ecf0f1;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-link:hover,
.nav-link.active {
    color: #f39c12;
    background: rgba(243, 156, 18, 0.1);
    box-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
}

.contact-btn {
    display: flex;
    align-items: center;
}

.contact-btn .phone-btn {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-btn .phone-btn:hover {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.6);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 全屏轮播图样式 */
.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    overflow: hidden;
    color: white;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

.hero-slides {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    background-size: cover;
    background-position: center;
}

.hero-slide.active {
    opacity: 1;
}

/* 轮播图背景1 - 医保政策主题 */
.hero-slide:nth-child(1) {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(52, 73, 94, 0.95) 100%);
}

/* 轮播图背景2 - 医疗服务主题 */
.hero-slide:nth-child(2) {
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.95) 0%, rgba(44, 62, 80, 0.95) 100%);
}

/* 轮播图背景3 - 健康保障主题 */
.hero-slide:nth-child(3) {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(52, 73, 94, 0.95) 100%);
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
}

.hero-slide::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    animation: float 30s infinite linear;
}

.hero-container {
    position: relative;
    z-index: 3;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.3s both;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.4);
    animation: fadeInUp 1s ease-out 0.6s both;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.6);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.cta-button:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

/* 轮播图指示器 */
.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.hero-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-indicator.active {
    background: white;
    transform: scale(1.2);
}

.hero-indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-button {
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero {
        min-height: 500px;
    }
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: #ff6b35;
    color: white;
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #e55a2b;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
    background: linear-gradient(45deg, #2c3e50, #34495e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #f39c12, #e67e22);
    border-radius: 2px;
}

/* 服务内容样式 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-item {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    border: 1px solid rgba(52, 73, 94, 0.1);
    position: relative;
    overflow: hidden;
}

.service-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(243, 156, 18, 0.1), transparent);
    transition: left 0.5s ease;
}

.service-item:hover::before {
    left: 100%;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    /* 实际项目中可替换为图片：background: url('../images/service-icons/policy-icon.png') no-repeat center; */
}

/* 图标样式增强 - 金属质感 */
.service-icon, .advantage-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%);
    border-radius: 50%;
    margin: 0 auto 1rem;
    color: #2c3e50;
    font-size: 2rem;
    box-shadow: 
        0 4px 15px rgba(0,0,0,0.3),
        inset 0 2px 4px rgba(255,255,255,0.5),
        inset 0 -2px 4px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    border: 2px solid rgba(255,255,255,0.2);
    position: relative;
}

.service-icon:hover, .advantage-icon:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 6px 20px rgba(0,0,0,0.4),
        inset 0 2px 4px rgba(255,255,255,0.6),
        inset 0 -2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(135deg, #95a5a6 0%, #bdc3c7 100%);
}

.service-icon::before, .advantage-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-icon:hover::before, .advantage-icon:hover::before {
    opacity: 1;
}

/* 服务内容图标样式 */
.service-item:nth-child(1) .service-icon {
    background: linear-gradient(135deg, #1a73e8, #34a853);
}

.service-item:nth-child(2) .service-icon {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
}

.service-item:nth-child(3) .service-icon {
    background: linear-gradient(135deg, #9c27b0, #673ab7);
}

.service-item:nth-child(4) .service-icon {
    background: linear-gradient(135deg, #00bcd4, #009688);
}

/* 服务优势图标样式 */
.advantage-item:nth-child(1) .advantage-icon {
    background: linear-gradient(135deg, #1a73e8, #4285f4);
}

.advantage-item:nth-child(2) .advantage-icon {
    background: linear-gradient(135deg, #34a853, #0f9d58);
}

.advantage-item:nth-child(3) .advantage-icon {
    background: linear-gradient(135deg, #ea4335, #d93025);
}

.advantage-item:nth-child(4) .advantage-icon {
    background: linear-gradient(135deg, #fbbc05, #f9ab00);
}

.advantage-item:nth-child(5) .advantage-icon {
    background: linear-gradient(135deg, #4285f4, #1a73e8);
}

.advantage-item:nth-child(6) .advantage-icon {
    background: linear-gradient(135deg, #0f9d58, #34a853);
}

.service-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1a73e8;
}

/* 服务流程样式 */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%);
    color: #2c3e50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
    box-shadow: 
        0 4px 10px rgba(0,0,0,0.3),
        inset 0 2px 4px rgba(255,255,255,0.5),
        inset 0 -2px 4px rgba(0,0,0,0.2);
    border: 2px solid rgba(255,255,255,0.2);
    position: relative;
}

.step-number::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    border-radius: 50%;
    opacity: 0.5;
}

.step h3 {
    margin-bottom: 1rem;
    color: #333;
}

/* 服务优势样式 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    border-radius: 10px;
    background: #f8f9fa;
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.advantage-item h3 {
    margin-bottom: 1rem;
    color: #1a73e8;
}

/* 关于我们样式 */
.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.about-text p {
    margin-bottom: 1rem;
    text-align: left;
}

/* 成功案例样式 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-item {
    padding: 2rem;
    border-radius: 10px;
    background: #f8f9fa;
    border-left: 4px solid #1a73e8;
    text-align: center;
}

.case-item h3 {
    margin-bottom: 1rem;
    color: #1a73e8;
}

/* 新闻资讯图片样式 */
.news-item img {
    transition: transform 0.3s ease;
}

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

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

.faq-item {
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background: #f8f9fa;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
}

.faq-toggle {
    font-size: 1.2rem;
    transition: transform 0.3s;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 200px;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.stars {
    color: #ffc107;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-item p {
    font-style: italic;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.author {
    color: #666;
    font-weight: 500;
}

/* 新闻资讯样式 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-item {
    padding: 1.5rem;
    border-radius: 10px;
    background: #f8f9fa;
    transition: transform 0.3s;
    position: relative;
}

.news-item:hover {
    transform: translateY(-3px);
}

.news-item h3 {
    margin-bottom: 1rem;
    color: #1a73e8;
}

.news-content {
    margin-bottom: 15px;
    line-height: 1.6;
    color: #666;
    max-height: 4.8em; /* 3行文字高度 */
    overflow: hidden;
    position: relative;
}

.news-content.expanded {
    max-height: none;
}

.news-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1.2em;
    background: linear-gradient(transparent, #f8f9fa);
    opacity: 1;
    transition: opacity 0.3s ease;
}

.news-content.expanded::after {
    opacity: 0;
}

.read-more-btn {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 10px;
    box-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
}

.read-more-btn:hover {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(243, 156, 18, 0.5);
}

.news-date {
    color: #666;
    font-size: 0.9rem;
    margin-top: 10px;
}

/* 联系我们样式 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-item {
    margin-bottom: 1.5rem;
}

.contact-item strong {
    display: inline-block;
    width: 100px;
    color: #333;
}

.wechat-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.copy-btn {
    background: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%);
    color: #2c3e50;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 2px 8px rgba(0,0,0,0.3),
        inset 0 1px 2px rgba(255,255,255,0.5);
    border: 1px solid rgba(255,255,255,0.2);
    font-weight: 600;
}

.copy-btn:hover {
    background: linear-gradient(135deg, #95a5a6 0%, #bdc3c7 100%);
    transform: translateY(-1px);
    box-shadow: 
        0 4px 12px rgba(0,0,0,0.4),
        inset 0 1px 2px rgba(255,255,255,0.6);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 15px rgba(243, 156, 18, 0.4),
        inset 0 1px 2px rgba(255,255,255,0.3);
    border: 1px solid rgba(255,255,255,0.2);
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(243, 156, 18, 0.6),
        inset 0 1px 2px rgba(255,255,255,0.4);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.submit-btn:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

/* 页脚样式 */
.footer {
    background: #333;
    color: white;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    margin-left: 1.5rem;
}

.footer-links a:hover {
    text-decoration: underline;
}



/* 响应式调整 */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-links a {
        margin: 0 0.8rem;
    }
    
    .footer-wechat-section {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .testimonial-item {
        padding: 1.5rem;
    }
}

/* 复制成功提示 */
.copy-success {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 1rem 2rem;
    border-radius: 5px;
    z-index: 1001;
    display: none;
}

.copy-success.show {
    display: block;
    animation: fadeInOut 2s ease-in-out;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    10%, 90% { opacity: 1; }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

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

    .hamburger {
        display: flex;
    }
    
    .contact-btn {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .nav-wechat-btn .btn-text {
        display: none;
    }
    
    .nav-wechat-btn {
        padding: 0.5rem;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        justify-content: center;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links a {
        margin: 0 0.5rem;
    }

    .services-grid,
    .advantages-grid,
    .cases-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }
}

/* 底部固定导航栏 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: none; /* 默认在移动端显示 */
    border-top: 2px solid #f39c12;
}

.bottom-nav-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0.5rem 0;
    position: relative;
}

.bottom-nav-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 15%;
    bottom: 15%;
    width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.3), transparent);
    transform: translateX(-50%);
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #ecf0f1;
    padding: 0.5rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 8px;
    min-width: 80px;
}

.bottom-nav-item:hover {
    background: rgba(243, 156, 18, 0.1);
    color: #f39c12;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(243, 156, 18, 0.3);
}

.nav-icon {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}

.nav-text {
    font-size: 0.8rem;
    font-weight: 500;
}



/* 移动端显示底部导航 */
@media (max-width: 768px) {
    .bottom-nav {
        display: block;
    }
    
    /* 为底部导航留出空间 */
    body {
        padding-bottom: 70px;
    }
}

/* 响应式调整 */
@media (max-width: 480px) {
    .bottom-nav-container {
        padding: 0.3rem 0;
    }
    
    .bottom-nav-item {
        padding: 0.3rem 0.5rem;
        min-width: 70px;
    }
    
    .nav-icon {
        font-size: 1.3rem;
    }
    
    .nav-text {
        font-size: 0.75rem;
    }
}

/* 微信号显示区域样式 - 金属质感 */
.wechat-display {
    background: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%);
    border-radius: 15px;
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,0.3);
    cursor: default;
    box-shadow: 
        0 4px 10px rgba(0,0,0,0.2),
        inset 0 2px 4px rgba(255,255,255,0.5);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
}

.wechat-display:hover {
    background: linear-gradient(135deg, #95a5a6 0%, #bdc3c7 100%);
    transform: scale(1.02);
    box-shadow: 
        0 6px 15px rgba(0,0,0,0.3),
        inset 0 2px 4px rgba(255,255,255,0.6);
}

.wechat-logo {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.wechat-display .nav-text {
    font-size: 14px;
    font-weight: bold;
    color: #2c3e50;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(255,255,255,0.5);
}

.wechat-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
    border-radius: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.wechat-display:hover::before {
    opacity: 1;
}

.bottom-wechat-btn .nav-text {
    font-size: 20px;
    font-weight: bold;
}

/* 移动端微信号显示优化 */
@media (max-width: 768px) {
    .wechat-display {
        padding: 8px 12px;
    }
    
    .wechat-display .nav-text {
        font-size: 16px;
        font-weight: bold;
    }
    
    .bottom-wechat-btn .nav-text {
        font-size: 14px;
        font-weight: bold;
    }
}

@media (max-width: 480px) {
    .wechat-display {
        padding: 6px 10px;
    }
    
    .wechat-display .nav-text {
        font-size: 18px;
        font-weight: bold;
    }
    
    .bottom-wechat-btn .nav-text {
        font-size: 16px;
        font-weight: bold;
    }
    
    .bottom-nav-item {
        padding: 0.3rem 0.5rem;
        min-width: 70px;
    }
    
    .nav-icon {
        font-size: 1.3rem;
    }
    
    .nav-text {
        font-size: 0.75rem;
    }
}