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

html {
    scroll-behavior: smooth;
}

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

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

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

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

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

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

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

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

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

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

/* 主页横幅样式 */
.hero {
    margin-top: 70px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 80px 20px;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    align-items: start;
    padding: 0 20px 0 40px;
}

.hero-text {
    display: flex;
    flex-direction: column;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 6px;
    line-height: 1.2;
    margin-top: 0;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-top: 60px;
    margin-bottom: 70px;
    line-height: 1.6;
}

.hero-subtitle p {
    margin-bottom: 16px;
    line-height: 1.7;
}

.hero-subtitle p:last-child {
    margin-bottom: 0;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.hero-image {
    text-align: center;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* 章节通用样式 */
section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

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

/* 关于我们样式 */
.about {
    background: #f8f9fa;
}

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

.about-text h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 15px;
    margin-top: 30px;
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.company-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 5px;
}

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

.about-image {
    text-align: center;
}

.about-img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 15px;
}

/* 服务项目样式 */
.services {
    padding: 80px 0;
    background: #f8f9fa;
}

/* 小程序宣传区域 - 三列布局 */
.miniprogram-layout {
    display: flex;
    align-items: stretch;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 400px;
}

.miniprogram-left {
    flex: 1;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px 0;
}

.miniprogram-left .service-icon {
    margin-bottom: 20px;
}

.miniprogram-left .service-icon svg {
    width: 80px;
    height: 80px;
    color: #4a90e2;
}

.miniprogram-left .service-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.2;
}

.miniprogram-left .service-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.miniprogram-center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
}

.miniprogram-center .miniprogram-features-list {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
    width: 100%;
    height: 100%;
    padding: 20px 50px;
}

.miniprogram-center .feature-point {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #4a90e2;
    transition: all 0.3s ease;
    min-height: 48px;
}

.miniprogram-center .feature-point:hover {
    background: #e3f2fd;
    transform: translateX(5px);
}

.miniprogram-center .feature-point .feature-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.miniprogram-center .feature-point span:last-child {
    font-size: 1rem;
    color: #333;
    font-weight: 500;
    line-height: 1.4;
}

.miniprogram-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
}

.miniprogram-right .miniprogram-qr-large {
    text-align: center;
}

.miniprogram-right .qr-code-large {
    width: 200px;
    height: 200px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    margin-bottom: 15px;
}

.miniprogram-right .qr-code-large:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.miniprogram-right .qr-tip-large {
    font-size: 1rem;
    color: #666;
    margin: 0;
    font-weight: 500;
}

.services-single {
    display: flex;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

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

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
}

.miniprogram-qr-small {
    margin-top: 20px;
    text-align: center;
}

.qr-code-small {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 8px;
    transition: transform 0.3s ease;
}

.qr-code-small:hover {
    transform: scale(1.1);
}

.qr-tip {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-weight: 500;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

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

.service-title {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
}

.service-description {
    color: #666;
    line-height: 1.6;
}

/* 产品特色样式 */
.features {
    background: #f8f9fa;
}

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

.feature-item {
    text-align: center;
    padding: 30px 20px;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
}

/* 联系我们样式 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-icon {
    font-size: 1.5rem;
    margin-top: 5px;
}

.contact-details h4 {
    color: #333;
    margin-bottom: 5px;
}

.contact-details p {
    color: #666;
}

.form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.form-input,
.form-textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

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

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

.btn-full {
    width: 100%;
}

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

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

.footer-section h4 {
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

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

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

.footer-links a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    color: #bdc3c7;
    text-decoration: none;
    padding: 8px 12px;
    border: 1px solid #bdc3c7;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.social-link:hover {
    color: white;
    border-color: white;
}

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

.footer-bottom a {
    color: #bdc3c7;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: #ffffff;
}

/* 备案图标样式 */
.footer-bottom p {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.footer-bottom a {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

.footer-bottom .beian-badge {
    display: inline-block;
    margin-right: 6px;
    line-height: 0;
}

.footer-bottom .beian-badge img {
    width: 16px;
    height: 16px;
    display: inline-block;
}

.footer-bottom .beian-badge svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    opacity: 0.95;
}

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

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

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5a6fd8;
}