/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


body {
    font-family: "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #292929;
    background-color: #fff;
    overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 81px;
    background: rgba(225, 234, 243, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.navbar-container {
    width: 100%;
    max-width: 1600px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 28px;
    font-weight: bold;
    color: #292929;
}

.logo img {
    height: 28px;
    margin-right: 10px;
}

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

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

.nav-links a {
    text-decoration: none;
    color: #292929;
    font-size: 20px;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #B84F0A;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #292929;
    border-radius: 3px;
    transition: all 0.3s ease-in-out;
}

/* 主要内容区域 */
.hero {
    position: relative;
    height: 100vh;
    min-height: 800px;
    background: url('../image/index/bk001.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    /* justify-content: center; */
    text-align: left;
    padding-left: 10%;
}

.hero-content {
    color: white;
    z-index: 2;
}

.hero-title {
    font-size: 41px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.hero-title > h1 {
  font-size: 40px;
  font-weight: bold;
  font-style: italic;
}

.hero-title > h1:last-child {
  margin-left: 60px
}

.hero-subtitle {
    font-size: 26px;
    margin-bottom: 10px;
    font-weight: bold;
    color: #dddddf;
}

.hero-description {
    font-size: 26px;
    margin-bottom: 30px;
    font-weight: bold;
    color: #dddddf;
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 100px;
}

.buttons > a:first-child {
  margin-right: 90px;
}

.btn {
    padding: 12px 30px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    font-family: '楷体', 'KaiTi', serif;
    cursor: pointer;
    border: 1px solid #979797;
    background: #D6DFE4;
    color: #0b64d0;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #c5d4dd;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 内容区块样式 */
.section {
    padding: 100px 0;
}

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

.section-title {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 60px;
    color: #292929;
}

.services {
    background: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-card {
    text-align: center;
    padding: 10px 15px;
    border-radius: 15px;
    /*background: linear-gradient(0deg, #3470B4 0%, rgba(116,152,194,0.00) 100%);*/
    background: linear-gradient(0deg, rgba(116,152,194,0.4) 0%, rgba(116,152,194,0.0) 100%);
    opacity: 1.0;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.service-card:hover {
    /*opacity: 1;*/
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.service-icon {
    width: 69px;
    height: 69px;
    margin: 0 auto 20px;
}

.service-title {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #292929;
}

.service-description {
    font-size: 20px;
    line-height: 30px;
    height: 120px;
    color: #292929;
    margin: 0 auto;
    margin-bottom: 20px;
    text-align: left;
    border: 1px #000 dashed; 
    border-radius: 20px;
    padding: 10px;
    width: 80%;
}


.service-list {
    text-align: left;
    padding-left: 20px;
}

.service-list li {
    margin-bottom: 10px;
    font-size: 20px;
    padding-left: 20px;
    color: #292929;
    line-height: 40px;
    list-style-type: "\2666";
}

/* 核心优势 */
.advantages {
    background: #fff;
    padding: 100px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 100px;
}

.advantage-card {
    /*background: #f8f9fa;*/
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.advantage-icon {
    width: 69px;
    height: 69px;
    margin: 0 auto 20px;
}

.advantage-card h3 {
    font-size: 30px;
    margin-bottom: 15px;
    color: #292929;
}

.advantage-card p {
    font-size: 20px;
    color: #666;
    line-height: 1.6;
}

/* 业务架构 */
.architecture {
    background: #f5f7fa;
    padding: 100px 0;
}

.architecture-img {
    text-align: center;
}

.architecture-img img {
    max-width: 100%;
    height: auto;
    
}

/* 底部 */
.footer {
    background: url('../image/index/bk005.png') center/cover no-repeat;
    color: #E8EFF2;
    padding: 40px 0 20px;
}

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

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.footer-info {
    flex: 1;
}

.footer-info h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.footer-info p {
    font-family: SourceHanSansSC-Medium;
    font-size: 20px;
    color: #E8EFF2;
    letter-spacing: 10;
    font-weight: 500;
}

.footer-contact {
    flex: 1;
}

.footer-contact h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.footer-contact p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-divider {
    height: 1px;
    background: rgba(216, 216, 216, 0.42);
    margin: 20px 0;
}

.footer-bottom {
    text-align: center;
    font-size: 16px;
    padding: 20px 0;
    display: flex;
    flex-direction: row;
    
}

.footer-bottom p {
    margin: 5px 0;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .services-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle,
    .hero-description {
        font-size: 20px;
    }
    
    .navbar-container {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(225, 234, 243, 0.95);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        clip-path: circle(0px at top right);
        transition: all 0.3s ease-in-out;
        z-index: 1000;
    }
    
    .nav-links.active {
        clip-path: circle(1500px at top right);
    }
    
    .nav-links li {
        margin: 20px 0;
    }
    
    .nav-links a {
        font-size: 24px;
    }
    
    .navbar-container {
        flex-direction: row;
        padding: 0 20px;
    }
    
    .services-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        flex-direction: column;
    }
    
    .buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        margin: 0 auto;
    }
    
    .hero {
        min-height: 700px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle,
    .hero-description {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .service-title {
        font-size: 32px;
    }
    
    .service-description {
        font-size: 18px;
    }
    
    .service-list li {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .navbar-container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 24px;
    }
    
    .logo img {
        height: 24px;
    }
    
    .hero {
        min-height: 600px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .hero-subtitle,
    .hero-description {
        font-size: 16px;
    }
    
    .buttons {
        gap: 10px;
        margin-top: 30px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .services-grid {
        gap: 20px;
    }
    
    .service-card {
        padding: 20px;
    }
    
    .service-title {
        font-size: 28px;
    }
    
    .service-description {
        font-size: 16px;
    }
    
    .service-list li {
        font-size: 16px;
    }
    
    .advantages-grid {
        gap: 20px;
    }
    
    .advantage-card {
        padding: 20px;
    }
    
    .advantage-card h3 {
        font-size: 20px;
    }
    
    .advantage-card p {
        font-size: 16px;
    }
    
    .container {
        padding: 0 15px;
    }
}