/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
    background-color: #f5f5f5;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航栏 */
.header {
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    height: 50px;
    transition: transform 0.3s;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 30px;
    position: relative;
}

.nav-links a {
    font-size: 16px;
    font-weight: 500;
    padding: 5px 0;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #0078e7;
}

.nav-links .active {
    color: #0078e7;
    border-bottom: 2px solid #0078e7;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    transition: transform 0.3s;
}

.mobile-menu-btn:hover {
    transform: scale(1.1);
}

.hero {
    height: 100vh;
    background: linear-gradient(135deg, #DC3023, #FF6420, #FFE92C, #9ED900, #44CEF6, #3B2E7E);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    color: white;
    display: flex;
    align-items: center;
    text-align: center;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-content {
    width: 100%;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #0078e7;
    color: white;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    background-color: #0066c5;
    transform: translateY(-2px);
    box-shadow: 0 7px 15px rgba(0, 0, 0, 0.15);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid white;
    margin-left: 15px;
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 关于我们 */
.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: #222;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #0078e7;
}

.section-title p {
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.about-content {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.about-text {
    flex: 1;
    min-width: 300px;
    padding-right: 40px;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #0078e7;
}

.about-text p {
    margin-bottom: 20px;
    color: #555;
}

.about-image {
    flex: 1;
    min-width: 300px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.about-image:hover img {
    transform: scale(1.05);
}

/* 服务 */
.services {
    background-color: #f9f9f9;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

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

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

.service-content {
    padding: 25px;
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #222;
}

.service-content p {
    color: #666;
    margin-bottom: 20px;
}

/* 作品展示 */
.portfolio-content {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.portfolio-intro {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.portfolio-intro p:first-child {
    font-size: 1.5rem;
    font-weight: bold;
    color: #0078e7;
    margin-bottom: 15px;
}

.portfolio-section {
    margin-bottom: 30px;
}

.portfolio-section h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #f1f3f5;
}

.portfolio-item {
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 3px solid #0078e7;
}

.portfolio-item h4 {
    font-size: 1.1rem;
    color: #0078e7;
    margin-bottom: 8px;
}

.portfolio-item p {
    color: #555;
}

/* 联系我们 */
.contact {
    background-color: #f9f9f9;
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info p {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #0078e7;
}

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

.contact-item {
    background: #f1f3f5;
    padding: 0px;
    border-radius: 8px;
    transition: transform 0.3s;
}

.contact-item:hover {
    transform: translateY(-5px);
    background: #e1e5e9;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #333;
    border-radius: 50%;
    transition: all 0.3s;
    color: white;
}

.social-links a:hover {
    background-color: #0078e7;
    transform: translateY(-3px);
}
        .software-grid,
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .software-item,
        .platform-item {
            background: #f1f3f5;
            padding: 15px;
            border-radius: 8px;
        }

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

        .contact-item {
            background: #f1f3f5;
            padding: 20px;
            border-radius: 8px;
        }

        @media (max-width: 768px) {
            .software-grid,
            .platform-grid,
            .contact-info-grid {
                grid-template-columns: 1fr;
            }
        }
/* 页脚 */
.footer {
    background-color: #222;
    color: #aaa;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
}

.footer-column h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: #0078e7;
}

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

.footer-links a {
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #0078e7;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    font-size: 0.9rem;
}

.footer-bottom a {
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: #0078e7;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .about-text {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .about-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 0;
        text-align: center;
        padding: 10px 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .portfolio-content {
        padding: 20px;
    }
    
    .portfolio-intro p:first-child {
        font-size: 1.3rem;
    }
    
    /* 作品展示移动端内边距 */
    .portfolio-section {
        padding: 20px;
    }
    
    .software-grid, .platform-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }
    
    .software-item, .platform-item {
        margin-bottom: 15px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .btn-group {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-outline {
        margin-left: 0;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
   .portfolio-content {
        padding: 15px;
    };
}