/* 全局样式 */
 * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* 导航栏 */
header {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: #f0f0f0;
    text-decoration: underline;
}

/* 主要内容 */
.hero {
    /* background: url('https://images.unsplash.com/photo-1555066931-4365d14bab8c?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover; */
    background: url('../image/1.jpg') no-repeat center center/cover;
    height: 500px;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.btn {
    display: inline-block;
    background: #6e8efb;
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #5a7df4;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 内容区域 */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: #333;
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, #6e8efb, #a777e3);
}

/* 卡片布局 */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

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

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

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

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.card-content p {
    color: #666;
    margin-bottom: 1rem;
}

.card-content a {
    color: #6e8efb;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
}

.card-content a:hover {
    text-decoration: underline;
}

.card-content a::after {
    content: '→';
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.card-content a:hover::after {
    transform: translateX(5px);
}

/* 关于部分 */
.about {
    background: #f0f4f8;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-img {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-img img {
    width: 100%;
    height: auto;
    display: block;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #555;
}

/* 联系表单 */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #6e8efb;
    outline: none;
}

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

/* 页脚 */
footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: #6e8efb;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

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

.footer-column ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #6e8efb;
    transform: translateY(-3px);
}

/* 备案信息 */
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #bdc3c7;
}

.beian {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

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

.beian a:hover {
    color: white;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .about-img {
        order: -1;
    }
}