/* 通用变量 */
:root {
    --primary-color: #FF5733;
    --secondary-color: #2c3e50;
    --background-color: #f4f4f4;
    --text-color: #ffffff;
    --heading-color: #333;
    --link-hover-color: #dd4a2a;
    --transition-speed: 0.3s;
}

/* 全局样式 */

/* General Styles */
body {
    font-family: 'Arial', sans-serif;
    color: #333;
}


body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto Slab', serif;
    background-color: #121212;
    color: var(--text-color);
    overflow-x: hidden;
}

header {
    height: 60px;  /* 增加导航栏高度 */
    background-color: rgba(0, 0, 0, 0.9);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    padding: 20px 50px;
}

.header-container {
    display: flex;
    align-items: center; /* 垂直居中对齐 */
    justify-content: space-between; /* 左右对齐 */
    width: 100%; /* 让导航栏占据整个宽度 */
    //padding: 10px 50px;
}

.logo {
    flex: 1; /* 左侧Logo占据一部分空间 */
    display: flex;
    align-items: center;
}
.header-container .logo img {
    height: 50px;
    margin-right: 15px;
}

.right-header {
    display: flex;
    flex-direction: column; /* 语言选择器和导航垂直布局 */
    align-items: flex-end; /* 右对齐 */
    justify-content: center;
}

.main-navigation {
    display: flex;
    justify-content: flex-end; /* 导航链接右对齐 */
}

.main-navigation ul {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-navigation li {
    margin-left: 20px;
}

.main-navigation a {
    text-decoration: none;
    color: var(--text-color);
    position: relative;
    padding-bottom: 5px;
    transition: width var(--transition-speed);
}

.main-navigation a:hover {
    color: var(--primary-color);
}

.language-selector {
    margin-bottom: 10px; /* 语言选择器与导航之间留出间距 */
}

.language-selector select {
    background-color: #ffffff;
    color: #000000;
    border: none;
    padding: 5px;
    border-radius: 5px;
}

/* 英雄图片部分 */
.hero {
    height: 80vh;
    background-image: url('images/hero.jpg.webp');
    background-size: cover;
    background-position: center top; /* 将背景图片的位置稍微向上调整 */
    height: 90vh; /* 调整Hero部分高度 */
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--text-color);
    /*height: 100vh;*/ /* 调整Hero部分高度以适应浏览器窗口 */
}

.hero .overlay {
    background-color: rgba(0, 0, 0, 0.6);
    padding: 20px;
    border-radius: 10px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta {
    background-color: var(--primary-color);
    padding: 10px 30px;
    border-radius: 25px;
    text-decoration: none;
    color: var(--text-color);
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.cta:hover {
    background-color: var(--link-hover-color);
    transform: scale(1.05);
}

/* 服务部分 */
.services {
    padding: 50px 20px;
    background-color: var(--background-color);
    text-align: center;
}

.services h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--heading-color);
}

.service-cards {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.service-card {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform var(--transition-speed);
    width: 28%; /* 调整卡片宽度 */
    margin: 10px; /* 调整卡片之间的间距 */
    padding: 15px; /* 调整内边距 */
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: #555;
}

.service-card:hover {
    transform: translateY(-10px);
}

/* 关于我们部分 */
.about {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 50px 20px;
    background-color: #1c1c1c;
    color: var(--text-color);
}

.about img {
    width: 40%;  /* 调整图像宽度 */
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.about .content {
    width: 55%;  /* 调整文本部分宽度 */
}

.about h2 {
    margin-bottom: 20px;
}

.about p {
    margin-bottom: 20px;
    line-height: 1.6;
}

.about .cta {
    display: inline-block;
    background-color: var(--primary-color);
    padding: 10px 25px;
    border-radius: 25px;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.about .cta:hover {
    background-color: var(--link-hover-color);
    transform: scale(1.05);
}

/* 案例展示部分 */
.cases {
    padding: 50px 20px;
    background-color: #f5f5f5;
    text-align: center;
}

.cases h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--heading-color);
}

.case-studies {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.study-card {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform var(--transition-speed);
    width: 45%;
    position: relative;
}

.study-card img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-speed);
}

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

.study-content {
    padding: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-color);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 100%;
}

.study-content h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
}

.study-content p {
    margin-bottom: 20px;
}

.study-content a {
    background-color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    color: var(--text-color);
    transition: background-color var(--transition-speed);
}

.study-content a:hover {
    background-color: var(--link-hover-color);
}

/* 联系我们部分 */
.contact {
    background-color: var(--secondary-color);
    color: var(--text-color);
    padding: 50px 20px;
    text-align: center;
}

.contact h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact p {
    margin-bottom: 30px;
}

.contact .cta {
    background-color: var(--primary-color);
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    color: var(--text-color);
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.contact .cta:hover {
    background-color: var(--link-hover-color);
    transform: scale(1.05);
}

/* 页脚部分 */
footer {
    background-color: var(--secondary-color);
    color: var(--text-color);
    padding: 30px 20px;
    text-align: center;
}

.footer-container {
    display: flex;
    flex-direction: column;  /* 将Logo和文字按列布局 */
    align-items: center;
    justify-content: center; /* 将Logo和文字居中对齐 */
    text-align: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo img {
    width: 70px;  /* 调整Logo大小 */
    height: auto;
}

.footer-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.footer-links li a {
    text-decoration: none;
    color: var(--text-color);
    transition: color var(--transition-speed);
}

.footer-links li a:hover {
    color: var(--primary-color);
}

.footer-social a {
    font-size: 20px;
    color: var(--text-color);
    margin: 0 10px;
    transition: color var(--transition-speed);
}

.footer-social a:hover {
    color: var(--primary-color);
}


/*contact.html*/
.contact-info {
    margin-bottom: 30px;
    text-align: center;
    font-size: 18px;
    color: #333;
}

.contact-info p {
    margin: 10px 0;
}

.contact-info a {
    color: #007bff;
    text-decoration: none;
    font-weight: bold;
}

.contact-info a:hover {
    text-decoration: underline;
}

form {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

form label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
}

form input[type="text"],
form input[type="email"],
form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

form input[type="text"]:focus,
form input[type="email"]:focus,
form textarea:focus {
    border-color: #007bff;
}

form textarea {
    resize: vertical;
    height: 150px;
}

form button[type="submit"] {
    background-color: #007bff;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s ease;
}

form button[type="submit"]:hover {
    background-color: #0056b3;
}

#success-message {
    margin-top: 20px;
    color: green;
    font-size: 16px;
    text-align: center;
}


/*services.html*/
.services {
    padding: 50px 20px;
    background-color: #f8f9fa;
    text-align: center;
}

.service-card {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto 30px auto;
}

.service-image {
    flex: 1;
    max-width: 50%;
    object-fit: cover;
}

.service-content {
    flex: 1;
    padding: 20px;
    text-align: left;
}

.service-content h3 {
    margin-top: 0;
    color: #333;
}

.service-content p {
    margin: 15px 0 0 0;
    color: #666;
    line-height: 1.6;
}

.services h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
}

.services p {
    font-size: 18px;
    color: #666;
    margin-bottom: 50px;
}

@media (max-width: 768px) {
    .service-card {
        flex-direction: column;
    }

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

    .service-content {
        text-align: center;
    }
}

/* cases.html*/
.cases {
    padding: 50px 20px;
    background-color: #f8f9fa;
    text-align: center;
}

.case-card {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto 30px auto;
}

.case-image {
    flex: 1;
    max-width: 50%;
    object-fit: cover;
}

.case-content {
    flex: 1;
    padding: 20px;
    text-align: left;
}

.case-content h3 {
    margin-top: 0;
    color: #333;
}

.case-content p {
    margin: 15px 0 0 0;
    color: #666;
    line-height: 1.6;
}

.technologies, .team {
    padding: 50px 20px;
    background-color: #ffffff;
    text-align: left;
    max-width: 900px;
    margin: 0 auto;
}

.technologies h3, .team h3 {
    color: #333;
    margin-bottom: 20px;
}

.technologies p, .team p {
    color: #666;
    margin-bottom: 10px;
    line-height: 1.6;
}

.team-content p {
    margin: 10px 0;
    font-size: 16px;
}