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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: #fff;
    padding: 10px 0;
}

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

.logo {
    height: 40px;
}

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: #1a68b3;
    text-decoration: none;
}

.logo-img {
    width: 300px;
    position: absolute;
    left: 90px;
    bottom: 20px;
}
.logo-img-scrolled{
    bottom: 30px;
}

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

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #1a68b3;
}

.mobile-menu {
    display: none;
}

.menu-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: #333;
    cursor: pointer;
}

/* 移动端导航菜单 */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: #fff;
    z-index: 999;
    transition: right 0.3s ease;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
}

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

.mobile-nav ul {
    list-style: none;
    padding: 80px 20px;
}

.mobile-nav li {
    margin-bottom: 20px;
}

.mobile-nav a {
    text-decoration: none;
    color: #333;
    font-size: 18px;
    font-weight: 500;
    transition: color 0.3s ease;
    display: block;
    padding: 10px 0;
}

.mobile-nav a:hover {
    color: #1a68b3;
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    position: relative;
    width: 100%;
    height: 100%;
    padding-top: 100px;
    background-color: #1a68b3;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 50px;
    left: 0;
    z-index: 1;
}

.hero-content {
    position: absolute;
    z-index: 2;
    max-width: 800px;
    padding: 20px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* 确保在移动设备上也能良好显示 */
@media (max-width: 768px) {
    .hero-content {
        padding: 40px 20px;
    }
}

.hero h1 {
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.btn-primary {
    display: inline-block;
    background-color: #fff;
    color: #1a68b3;
    padding: 15px 30px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-shadow: none;
}

.btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 通用区块样式 */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a68b3;
    margin-bottom: 15px;
}

.divider {
    width: 80px;
    height: 4px;
    background-color: #1a68b3;
    margin: 0 auto;
    border-radius: 2px;
}

/* 关于我们样式 */
.about {
    background-color: #f8f9fa;
}

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

.about-text {
    flex: 1;
    min-width: 300px;
    padding: 20px;
}

.about-text p {
    font-size: 16px;
    margin-bottom: 20px;
    line-height: 1.8;
    color: #555;
}

.about-image {
    flex: 1;
    min-width: 300px;
    padding: 20px;
}

.image-placeholder {
    width: 100%;
    height: 300px;
    background-color: #e9ecef;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #6c757d;
}

.image-placeholder i {
    font-size: 4rem;
    margin-bottom: 15px;
}

.image-placeholder p {
    font-size: 18px;
    font-weight: 500;
}

/* 服务领域样式 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background-color: #e3f2fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #1a68b3;
    font-size: 2.5rem;
}

.service-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.service-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
}

/* 解决方案样式 */
.solutions {
    background-color: #f8f9fa;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.solution-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.solution-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a68b3;
}

.solution-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

/* 价值主张样式 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 30px;
}

.value-icon {
    width: 100px;
    height: 100px;
    background-color: #e3f2fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #1a68b3;
    font-size: 3rem;
}

.value-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.value-item p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

/* 使命愿景样式 */
.mission {
    background: linear-gradient(135deg, #1a68b3 0%, #2980b9 100%);
    color: white;
    text-align: center;
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.mission h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.mission p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* 联系我们样式 */
.contact-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
}

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

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

.info-item i {
    font-size: 24px;
    color: #1a68b3;
    margin-right: 20px;
    margin-top: 5px;
}

.info-item p {
    font-size: 16px;
    color: #555;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a68b3;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo,
.footer-links,
.footer-social {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-logo h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.footer-logo p {
    color: #ccc;
    font-size: 14px;
}

.footer-links h4,
.footer-social h4 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-social h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: #1a68b3;
}

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

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

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

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

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

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    font-size: 18px;
    transition: background-color 0.3s ease;
}

.social-icons a:hover {
    background-color: #1a68b3;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 4rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .btn-primary {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .service-card,
    .solution-card {
        padding: 25px 20px;
    }
}