/* 基础样式 */
:root {
    --primary-color: #0066ff;
    --secondary-color: #003399;
    --accent-color: #00ccff;
    --dark-color: #0a192f;
    --light-color: #f1f5f9;
    --text-color: #333;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light-color);
    color: var(--text-color);
    overflow-x: hidden;
}

/* 导航栏 */
header {
    background: linear-gradient(135deg, var(--dark-color), var(--secondary-color));
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 204, 255, 0.3);
    border: 2px solid var(--accent-color);
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(45deg, var(--accent-color), var(--white));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo span {
    font-weight: 300;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.hamburger:hover {
    color: var(--accent-color);
    transform: rotate(15deg);
}

/* 轮播图 */
.slider-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 80vh;
    max-height: 600px;
}

.slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
    height: 100%;
    width: 100%;
}

.slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-content {
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.slide-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--accent-color), var(--white));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.slide-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 102, 255, 0.3);
}

.slider-nav {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
}

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

.slider-dot.active {
    background-color: var(--white);
    transform: scale(1.2);
}

.slider-arrows {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    transform: translateY(-50%);
}

.arrow {
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.arrow:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

/* 主要内容 */
.main-content {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 1rem;
}

.section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    text-align: center;
    position: relative;
}

.section-title:after {
    content: '';
    position: absolute;
    width: 100px;
    height: 4px;
    background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* 统计数据部分 */
.stats {
    background: linear-gradient(135deg, var(--dark-color), var(--secondary-color));
    color: var(--white);
    padding: 4rem 1rem;
    text-align: center;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-item h3 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, var(--accent-color), var(--white));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 页脚 */
footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 4rem 1rem 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--accent-color), var(--white));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-links h3, .footer-contact h3, .footer-newsletter h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-links h3:after, .footer-contact h3:after, .footer-newsletter h3:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
    bottom: 0;
    left: 0;
}

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

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

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

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

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

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

.copyright {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #aaa;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: linear-gradient(135deg, var(--dark-color), var(--secondary-color));
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 3rem;
        transition: left 0.3s ease;
        gap: 2rem;
    }

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

    .hamburger {
        display: block;
    }

    .slide-content h2 {
        font-size: 2.2rem;
    }

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

@media (max-width: 768px) {
    .slide-content h2 {
        font-size: 1.8rem;
    }

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

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

    .stats-container {
        grid-template-columns: 1fr;
    }

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


/* 服务部分 */
.services-section {
    padding: 80px 0;
    background-color: #fff;
}

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

.section-title {
    text-align: center;
    margin-bottom: 60px;
    color: var(--secondary-color);
    font-size: 36px;
    font-weight: 700;
}

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

.service-card {
    background: #fff;
    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;
}

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

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

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

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

.service-content {
    padding: 25px;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    color: var(--white);
    font-size: 24px;
}

.service-title {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.service-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: var(--accent-color);
}

.service-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.service-link:hover i {
    transform: translateX(5px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
    }

    .service-card {
        max-width: 100%;
    }
}


/* 关于我们部分 */
.about-section {
    padding: 80px 0;
    background-color: #fff;
}

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

.section-title {
    text-align: center;
    margin-bottom: 60px;
    color: var(--secondary-color);
    font-size: 36px;
    font-weight: 700;
}

/* 公司简介 */
.about-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    color: #555;
}

/* 核心价值 */
.values-section {
    margin-bottom: 60px;
}

.values-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
    color: var(--secondary-color);
}

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

.value-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.value-icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.value-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.value-description {
    color: #666;
}

/* 发展历程 */
.timeline-section {
    margin-bottom: 60px;
}

.timeline-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
    color: var(--secondary-color);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--white);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    top: 15px;
    z-index: 1;
}

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-item.left::after {
    right: -10px;
}

.timeline-item.right::after {
    left: -10px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--white);
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.timeline-year {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 团队介绍 */
.team-section {
    margin-bottom: 60px;
    background-color: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
}

.team-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
    color: var(--secondary-color);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.team-member {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
}

.member-info {
    padding: 20px;
}

.member-name {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.member-role {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.member-bio {
    font-size: 14px;
    color: #666;
}

/* 客户评价 */
.testimonials-section {
    margin-bottom: 60px;
}

.testimonials-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
    color: var(--secondary-color);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 20px;
    position: relative;
}

.testimonial-text {
    font-style: italic;
    color: #555;
    margin-bottom: 20px;
}

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

.testimonial-author-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
}

.testimonial-author-info {
    flex: 1;
}

.testimonial-author-name {
    font-weight: bold;
    color: var(--secondary-color);
}

.testimonial-author-company {
    font-size: 14px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
    }

    .about-intro {
        font-size: 16px;
    }

    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item.left::after,
    .timeline-item.right::after {
        left: 21px;
    }

    .timeline-item.right {
        left: 0;
    }
}


/* 联系方式部分 */
.contact-section {
    padding: 80px 0;
    background-color: #fff;
}

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

.section-title {
    text-align: center;
    margin-bottom: 60px;
    color: var(--secondary-color);
    font-size: 36px;
    font-weight: 700;
}

/* 联系信息 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.contact-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.contact-icon {
    width: 60px;
    height: 60px;
    background-color: #f0f4f8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 24px;
}

.contact-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.contact-card p {
    color: #666;
    margin-bottom: 10px;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: var(--accent-color);
}

/* 合作方式 */
.cooperation-section {
    background-color: var(--secondary-color);
    border-radius: 10px;
    padding: 40px;
    color: var(--white);
    margin-bottom: 60px;
}

.cooperation-title {
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

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

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

.cooperation-icon {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.cooperation-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.cooperation-item p {
    font-size: 14px;
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
    }

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