/* 全局样式 */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --text-color: #333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    width: 100%;
    background: transparent;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* 滚动时的导航栏样式 */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: white;
    transition: color 0.3s ease;
}

/* 滚动时的链接颜色 */
.navbar.scrolled .nav-links a {
    color: var(--text-color);
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* 首页大屏幕样式 */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #0066ff 0%, #00ff99 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 30px;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
} 

/* 添加产品服务部分的样式 */
.products-section {
    padding: 80px 0;
    background-color: var(--background-color);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--text-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 20px;
}

.product-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    margin: -40px auto 20px;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.product-card p {
    color: var(--secondary-color);
    margin-bottom: 15px;
    line-height: 1.6;
    flex-grow: 1;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
    text-align: left;
}

.product-features li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: var(--text-color);
}

.product-features i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 0.9rem;
}

.product-image {
    height: 200px;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
    margin: -30px -30px 20px -30px;
}

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

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

.product-icon {
    position: relative;
    z-index: 1;
    margin: -40px auto 20px;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.learn-more {
    display: inline-block;
    padding: 8px 20px;
    background: transparent;
    color: var(--primary-color);
    text-decoration: none;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    transition: all 0.3s ease;
    margin-top: auto;
    padding: 10px 25px;
}

.learn-more:hover {
    background: var(--primary-color);
    color: white;
}

/* 优化响应式设计 */
@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .product-card {
        margin: 0;
    }

    .product-image {
        height: 180px;
    }

    .product-features {
        padding: 0 10px;
    }

    .product-features li {
        font-size: 0.9rem;
    }
}

/* 优化导航栏样式 */
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

.logo img {
    height: 40px;
    filter: brightness(0) invert(1); /* 使logo变为白色 */
    transition: filter 0.3s ease;
}

/* 滚动时的logo颜色 */
.navbar.scrolled .logo img {
    filter: none;
}

/* 添加页面滚动平滑效果 */
html {
    scroll-behavior: smooth;
}

/* 优化按钮悬停效果 */
.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
} 

/* 关于我们部分样式 */
.about-section {
    padding: 100px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.company-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--secondary-color);
    margin-bottom: 30px;
}

.company-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.feature {
    text-align: center;
    padding: 20px;
    background: var(--background-color);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

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

.feature i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.feature p {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

.stat-label {
    color: var(--secondary-color);
    font-size: 1rem;
}

/* 添加数字动画时的效果 */
.stat-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

/* 添加数字出现时的动画 */
@keyframes numberFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-number {
    animation: numberFadeIn 0.5s ease forwards;
}

/* 响应式设计补充 */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .company-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .company-features {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .about-text h3 {
        font-size: 1.8rem;
    }
} 

/* 联系我们部分样式 */
.contact-section {
    padding: 100px 0;
    background-color: var(--background-color);
}

.contact-content {
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    width: 100%;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

/* 联系信息样式 */
.contact-info {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.info-details h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-color);
}

.info-details p {
    color: var(--secondary-color);
    line-height: 1.6;
}

/* 社交媒体链接 */
.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* 联系表单样式 */
.contact-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: darken(var(--primary-color), 10%);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .contact-section {
        padding: 60px 0;
    }
    
    .contact-info,
    .contact-form {
        padding: 20px;
    }
    
    .info-item {
        flex-direction: column;
        text-align: center;
    }
    
    .info-item i {
        margin: 0 0 15px 0;
    }
    
    .social-links {
        justify-content: center;
    }
} 

/* 页脚样式优化 */
footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-logo {
    padding-right: 30px;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.company-desc {
    color: #999;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.footer-section h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

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

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

.footer-section ul li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section ul li i {
    color: var(--primary-color);
    width: 20px;
    margin-right: 10px;
}

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 20px 0;
}

.copyright {
    color: #999;
    font-size: 0.9rem;
}

.legal-links {
    margin-top: 15px;
}

.legal-links a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.legal-links a:hover {
    color: var(--primary-color);
}

.legal-links .divider {
    color: #666;
    margin: 0 10px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .footer-logo {
        text-align: center;
        padding-right: 0;
    }
    
    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-nav {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .legal-links .divider {
        margin: 0 5px;
    }
    
    .legal-links a {
        font-size: 0.8rem;
    }
} 

/* 轮播图样式 */
.slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 轮播按钮样式 */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.4);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

/* 轮播指示器样式 */
.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

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

.dot.active {
    background: white;
    transform: scale(1.2);
}

/* 更新hero-content样式 */
.hero-content {
    position: relative;
    z-index: 5;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    top: 50%;
    transform: translateY(-50%);
}

.hero-content h1 {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
}

.hero-content p {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease 0.3s forwards;
    font-size: 1.2rem;
    margin: 20px 0 30px;
}

.hero-content .cta-button {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease 0.6s forwards;
} 

/* 解决方案部分样式 */
.solutions-section {
    padding: 100px 0;
    background: white;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

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

.solution-card:hover {
    transform: translateY(-10px);
}

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

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

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

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.solution-link {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border: 2px solid white;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.solution-link:hover {
    background: white;
    color: var(--primary-color);
}

.solution-content {
    padding: 25px;
}

.solution-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.solution-content p {
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.solution-features li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: var(--text-color);
}

.solution-features i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .solution-card {
        padding: 20px;
    }

    .solution-content h3 {
        font-size: 1.3rem;
    }

    .solution-features li {
        font-size: 0.9rem;
    }
} 

/* 添加加载动画样式 */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.15s;
}

.preloader.fade-out {
    opacity: 0;
}

.loader {
    width: 50px;
    height: 50px;
}

.circular {
    animation: rotate 2s linear infinite;
    transform-origin: center center;
}

.path {
    stroke: var(--primary-color);
    stroke-dasharray: 150,200;
    stroke-dashoffset: -10;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

@keyframes dash {
    0% {
        stroke-dasharray: 1,200;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 89,200;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 89,200;
        stroke-dashoffset: -124;
    }
} 

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
} 

/* 移动端菜单按钮样式 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #fff;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* 菜单按钮激活状态 */
.mobile-menu-btn.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(135deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.mobile-menu-btn.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-135deg);
}

.navbar.scrolled .mobile-menu-btn span {
    background-color: var(--text-color);
}

/* 移动端样式 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
        position: relative;
        z-index: 1001;
    }

    .nav-links {
        display: flex;
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        align-items: center;
        padding: 80px 20px;
        transition: right 0.3s ease;
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 15px 0;
        width: 100%;
        text-align: center;
    }

    .nav-links li a {
        color: var(--text-color);
        font-size: 1.1rem;
        padding: 10px 0;
        display: block;
    }

    /* 遮罩层 */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }

    /* 移动端登录注册按钮样式 */
    .auth-buttons {
        flex-direction: column;
        width: 100%;
        gap: 10px;
        margin-top: 20px;
    }

    .auth-buttons .login-btn,
    .auth-buttons .register-btn.solid {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        margin: 0;
    }

    .auth-buttons .login-btn {
        color: var(--text-color);
        border-color: var(--text-color);
    }
} 

/* 导航栏按钮样式 */
.auth-buttons {
    display: flex;
    gap: 10px;
    margin-left: 20px;
}

.login-btn,
.register-btn {
    padding: 8px 20px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.login-btn {
    color: white;
    border: 1px solid white;
}

.register-btn {
    background: white;
    color: var(--primary-color);
}

.navbar.scrolled .login-btn {
    color: var(--text-color);
    border-color: var(--text-color);
}

.navbar.scrolled .register-btn {
    background: var(--primary-color);
    color: white;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .auth-buttons {
        margin: 20px 0;
        width: 100%;
        justify-content: center;
    }
} 

/* 产品服务部分样式优化 */
.section-desc {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.product-card {
    position: relative;
    overflow: hidden;
}

.product-image {
    height: 200px;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
    margin: -30px -30px 20px -30px;
}

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

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

.product-features {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
    text-align: left;
}

.product-features li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: var(--text-color);
}

.product-features i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 0.9rem;
}

.product-icon {
    position: relative;
    z-index: 1;
    margin: -40px auto 20px;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.learn-more {
    margin-top: auto;
    padding: 10px 25px;
} 

/* 导航栏按钮样式 */
.navbar .auth-buttons {
    display: flex;
    align-items: center;
}

.navbar .auth-buttons .login-btn {
    color: #fff;
    padding: 8px 20px;
    margin-right: 10px;
    border: 2px solid #fff;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.navbar .auth-buttons .register-btn.solid {
    background-color: #1890ff;  /* 使用醒目的蓝色背景 */
    color: #fff;
    padding: 8px 20px;
    border-radius: 4px;
    border: 2px solid #1890ff;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(24, 144, 255, 0.35);  /* 添加阴影效果增加立体感 */
}

/* 悬停效果 */
.navbar .auth-buttons .login-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar .auth-buttons .register-btn.solid:hover {
    background-color: #40a9ff;
    border-color: #40a9ff;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.5);
}

/* 当导航栏变成不透明状态时的样式 */
.navbar.scrolled .auth-buttons .login-btn {
    color: #333;
    border-color: #333;
}

.navbar.scrolled .auth-buttons .register-btn.solid {
    /* 保持原样，因为已经有背景色 */
}

/* 确保在移动端也能正常显示 */
@media (max-width: 768px) {
    .navbar .auth-buttons {
        margin-top: 15px;
    }
    
    .navbar .auth-buttons .login-btn,
    .navbar .auth-buttons .register-btn.solid {
        width: 100%;
        text-align: center;
        margin: 5px 0;
    }
} 

/* 数据统计区域样式 */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f6f9fc 0%, #f1f4f8 100%);
}

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

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
}

.stat-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* 合作伙伴区域样式 */
.partners-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.partners-slider {
    overflow: hidden;
    position: relative;
    padding: 40px 0;
}

.partners-track {
    display: flex;
    animation: slidePartners 20s linear infinite;
}

/* 悬浮按钮样式 */
.float-buttons {
    position: fixed;
    right: 30px;
    bottom: 100px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.float-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    color: var(--primary-color);
}

.float-btn:hover {
    transform: translateY(-5px);
}

/* 微信二维码弹窗 */
.qr-popup {
    position: absolute;
    right: 70px;
    bottom: 0;
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: none;
}

.wechat-btn:hover .qr-popup {
    display: block;
} 

/* 更新合作伙伴区域样式 */
.partners-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding: 0 20px;
}

.partner-item {
    position: relative;
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.partner-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.partner-logo {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.partner-logo img {
    max-width: 80%;
    max-height: 80px;
    object-fit: contain;
    transition: all 0.3s ease;
    filter: grayscale(100%);
}

.partner-item:hover .partner-logo img {
    filter: grayscale(0%);
    transform: scale(1.1);
}

.partner-hover {
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.partner-item:hover .partner-hover {
    opacity: 1;
    transform: translateY(0);
}

.partner-hover h4 {
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.partner-hover p {
    color: var(--secondary-color);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 0 10px;
    }

    .partner-item {
        padding: 15px;
    }

    .partner-logo {
        height: 80px;
    }

    .partner-hover {
        opacity: 1;
        transform: none;
    }

    .partner-hover h4 {
        font-size: 1rem;
    }

    .partner-hover p {
        font-size: 0.8rem;
        line-height: 1.4;
    }
}

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

/* 移动端数据统计显示优化 */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 0 10px;
    }

    .stat-item {
        padding: 20px 15px;
    }

    .stat-item i {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

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

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

/* 移动端浮动按钮优化 */
@media (max-width: 768px) {
    .float-buttons {
        right: 15px;
        bottom: 70px;
    }

    .float-btn {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }

    .qr-popup {
        right: 55px;
        bottom: -20px;
        padding: 10px;
    }

    .qr-popup img {
        width: 120px;
        height: 120px;
    }

    .qr-popup p {
        font-size: 0.8rem;
    }
}