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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2D3748;
    background-color: #F7FAFC;
}

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

/* 品牌颜色方案 */
:root {
    --primary-color: #1A365D; /* 深蓝色 */
    --secondary-color: #FF7A00; /* 橙色 */
    --accent-color: #6B46C1; /* 紫色 */
    --light-color: #F7FAFC; /* 浅灰 */
    --dark-color: #2D3748; /* 深灰 */
    --white: #FFFFFF;
    --black: #000000;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #e66a00;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

.btn-secondary:hover {
    background-color: #15305a;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.btn-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* 标题样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background-color: var(--secondary-color);
    margin: 15px auto 0;
}

/* 导航栏样式 */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-brand img {
    height: 50px;
    margin-right: 15px;
}

.navbar-brand span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.navbar-nav li {
    margin: 0 15px;
}

.navbar-nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--secondary-color);
}

.navbar-actions {
    display: flex;
    gap: 10px;
}

/* 轮播Banner样式 */
.hero {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slider {
    width: 100%;
    height: 100%;
}

.slide {
    position: relative;
    width: 100%;
    height: 100%;
    display: none;
}

.slide.active {
    display: block;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
}

.slide-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 核心业务展示样式 */
.services-section {
    padding: 80px 0;
    background-color: var(--white);
}

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

.service-card {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    margin-bottom: 20px;
    color: var(--dark-color);
}

/* 最新赛事样式 */
.events-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.event-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.event-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.event-content {
    padding: 20px;
}

.event-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.event-date {
    margin-bottom: 15px;
    color: var(--secondary-color);
    font-weight: 500;
}

.event-content p {
    margin-bottom: 20px;
    color: var(--dark-color);
}

/* 热门产品样式 */
.products-section {
    padding: 80px 0;
    background-color: var(--white);
}

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

.product-card {
    background-color: var(--light-color);
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 20px 0 10px;
    color: var(--primary-color);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.product-card .btn {
    margin-bottom: 20px;
}

/* 客户评价样式 */
.testimonials-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

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

.testimonial-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.testimonial-rating {
    margin-bottom: 20px;
    color: var(--secondary-color);
    font-size: 1.25rem;
}

.testimonial-card p {
    margin-bottom: 20px;
    color: var(--dark-color);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
}

.testimonial-author span {
    font-weight: 600;
    color: var(--primary-color);
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

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

.back-to-top:hover {
    background-color: #e66a00;
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* 移动端导航样式 */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* 页脚样式 */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 30px;
}

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

.footer-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-info p {
    margin-bottom: 20px;
    opacity: 0.8;
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    margin-right: 10px;
    color: var(--secondary-color);
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--secondary-color);
}

.footer-social h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

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

.social-links a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .navbar-toggle {
        display: block;
    }

    .navbar-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .navbar-nav.active {
        max-height: 300px;
    }

    .navbar-nav ul {
        flex-direction: column;
        padding: 20px;
    }

    .navbar-nav li {
        margin: 10px 0;
    }

    .navbar-actions {
        display: none;
    }

    .slide-content h1 {
        font-size: 2.5rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

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

    .page-title {
        font-size: 2.5rem;
    }

    .events-grid {
        grid-template-columns: 1fr;
    }

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

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

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .slide-content h1 {
        font-size: 2rem;
    }

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

    .services-grid,
    .products-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .contact-info,
    .contact-form {
        padding: 20px;
    }

    .map-container img {
        height: 300px;
    }
}

/* 联系页面样式 */
.contact-section {
    padding: 80px 0;
    background-color: var(--white);
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    background-color: var(--light-color);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.contact-info h2 {
    text-align: left;
    margin-bottom: 30px;
}

.contact-info h2::after {
    margin-left: 0;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

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

.info-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.info-item p {
    color: var(--dark-color);
}

.social-media {
    margin-top: 40px;
}

.social-media h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.social-media ul {
    display: flex;
    gap: 15px;
    list-style: none;
}

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

.social-media a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.contact-form {
    background-color: var(--light-color);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.contact-form h2 {
    text-align: left;
    margin-bottom: 30px;
}

.contact-form h2::after {
    margin-left: 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #E2E8F0;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* 地图部分样式 */
.map-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

.map-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.map-container img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

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

.service-card,
.event-card,
.product-card,
.testimonial-card,
.contact-info,
.contact-form {
    animation: fadeIn 0.5s ease-out;
}

.service-card:nth-child(1) {
    animation-delay: 0.1s;
}

.service-card:nth-child(2) {
    animation-delay: 0.2s;
}

.service-card:nth-child(3) {
    animation-delay: 0.3s;
}

.service-card:nth-child(4) {
    animation-delay: 0.4s;
}

.event-card:nth-child(1) {
    animation-delay: 0.1s;
}

.event-card:nth-child(2) {
    animation-delay: 0.2s;
}

.product-card:nth-child(1) {
    animation-delay: 0.1s;
}

.product-card:nth-child(2) {
    animation-delay: 0.2s;
}

.product-card:nth-child(3) {
    animation-delay: 0.3s;
}

.testimonial-card:nth-child(1) {
    animation-delay: 0.1s;
}

.testimonial-card:nth-child(2) {
    animation-delay: 0.2s;
}

.contact-info {
    animation-delay: 0.1s;
}

.contact-form {
    animation-delay: 0.2s;
}