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

body {
    font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: #0066cc;
    transition: all 0.3s ease;
}

a:hover {
    color: #004499;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 80px 0;
}

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

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #0066cc;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #0066cc;
    color: #fff;
    border: 2px solid #0066cc;
}

.btn-primary:hover {
    background-color: #004499;
    border-color: #004499;
    color: #fff;
}

.btn-secondary {
    background-color: transparent;
    color: #0066cc;
    border: 2px solid #0066cc;
}

.btn-secondary:hover {
    background-color: #0066cc;
    color: #fff;
}

.btn-small {
    padding: 8px 15px;
    font-size: 14px;
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 12px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 45px;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.nav ul {
    display: flex;
}

.nav ul li {
    margin: 0 20px;
}

.nav ul li a {
    color: #2c3e50;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    font-size: 16px;
    transition: color 0.3s ease;
}

.nav ul li a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #0066cc;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav ul li a:hover {
    color: #0066cc;
}

.nav ul li a:hover:after {
    width: 100%;
}
/* 超级菜单样式 */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-item.has-dropdown:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-content {
    display: flex;
    justify-content: center;
    padding: 30px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 30px;
}

.menu-column {
    flex: 1;
    text-align: center;
    padding: 20px;
    transition: all 0.3s ease;
}

.menu-column:hover {
    background: #f8f9fa;
    border-radius: 8px;
}

.menu-column h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 18px;
}

.menu-column img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: transform 0.3s ease;
}

.menu-column:hover img {
    transform: scale(1.05);
}

.menu-column p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .mega-menu-content {
        flex-direction: column;
        padding: 15px;
    }

    .menu-column {
        padding: 10px;
    }

    .menu-column img {
        height: 120px;
    }
}

/* Banner区域 */
.banner {
    background-image: linear-gradient(135deg, rgba(0, 102, 204, 0.9), rgba(0, 51, 153, 0.95)), url('../images/21.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 200px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/pattern.svg') repeat;
    opacity: 0.1;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    from { background-position: 0 0; }
    to { background-position: 100% 100%; }
}

.banner-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.banner-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 1px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.banner-content h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 25px;
    color: rgba(255, 255, 255, 0.95);
}

.banner-content p {
    font-size: 20px;
    margin-bottom: 35px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

/* 关于我们 */
.about {
    background-color: #fff;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 22px;
    /* color: #666; */
    font-weight: 500;
    line-height: 1.8;
}

.about-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 核心优势 */
.features {
    background-color: #f8faff;
    position: relative;
    overflow: hidden;
}

.features:before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.03) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.feature-item {
    background-color: #fff;
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.feature-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
}

.feature-item:hover:before {
    opacity: 1;
}

.feature-icon {
    margin-bottom: 25px;
    position: relative;
}

.feature-icon img {
    width: 70px;
    height: 70px;
    transition: transform 0.4s ease;
}

.feature-item:hover .feature-icon img {
    transform: scale(1.1) rotate(5deg);
}

.feature-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
}

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

/* 解决方案 */
.solutions {
    background-color: #fff;
    position: relative;
}

.solutions:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(180deg, transparent, rgba(0, 102, 204, 0.03));
    pointer-events: none;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.solution-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    background-color: #fff;
    position: relative;
}

.solution-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
}

.solution-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.solution-image:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.5));
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.solution-item:hover .solution-image:before {
    opacity: 1;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.solution-item:hover .solution-image img {
    transform: scale(1.1);
}

.solution-content {
    padding: 30px 25px;
    background-color: #fff;
    position: relative;
}

.solution-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
    transition: color 0.3s ease;
}

.solution-item:hover .solution-content h3 {
    color: #0066cc;
}

.solution-content p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.solution-content .btn {
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.solution-content .btn:hover {
    opacity: 1;
}

/* 成功案例 */
.cases {
    background-color: #f8faff;
    position: relative;
    overflow: hidden;
}

.cases:before {
    content: '';
    position: absolute;
    top: -30%;
    right: -30%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.03) 0%, transparent 70%);
    border-radius: 50%;
}

.cases:after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -20%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.03) 0%, transparent 70%);
    border-radius: 50%;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.case-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    background-color: #fff;
    position: relative;
}

.case-item:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
}

.case-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.case-image:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 102, 204, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.case-item:hover .case-image:after {
    opacity: 1;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.case-item:hover .case-image img {
    transform: scale(1.1);
}

.case-content {
    padding: 25px;
    background-color: #fff;
    position: relative;
}

.case-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #2c3e50;
    font-weight: 600;
    transition: color 0.3s ease;
}

.case-item:hover .case-content h3 {
    color: #0066cc;
}

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

/* 产品介绍 */
.products {
    background-color: #f9f9f9;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.product-item {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

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

.product-content {
    padding: 20px;
}

.product-content h3 {
    margin: 0 0 10px;
    color: #333;
    font-size: 1.5em;
}

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

.product-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-features li {
    margin: 5px 0;
    color: #555;
    font-size: 0.9em;
    padding-left: 20px;
    position: relative;
}

.product-features li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #007bff;
}

/* 合作客户 */
.partners {
    background-color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.partners:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 102, 204, 0.02) 0%, transparent 70%);
    pointer-events: none;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.partner-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.partner-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 102, 204, 0.12);
}

.partner-item:hover:before {
    opacity: 1;
}

.partner-item img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    transition: all 0.4s ease;
    opacity: 1;
}

.partner-item:hover img {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .partners-grid {
        grid-template-columns: 1fr;
    }
}

/* 联系我们 */
.contact {
    background-color: #f8faff;
    position: relative;
    overflow: hidden;
}

.contact:before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 40%;
    height: 70%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.contact-content {
    max-width: 500px;  /* 限制最大宽度 */
    margin: 0 auto;    /* 水平居中 */
    padding: 30px;
    border-radius: 10px;
}

.contact-info {
    background-color: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.contact-info h3 {
    font-size: 26px;
    margin-bottom: 25px;
    color: #2c3e50;
    font-weight: 600;
    position: relative;
    padding-bottom: 15px;
}

.contact-info h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: #0066cc;
}

.contact-info ul li {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    color: #555;
}

.contact-info ul li i {
    margin-right: 15px;
    color: #0066cc;
    font-size: 20px;
}

.contact-form {
    background-color: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 16px;
    color: #2c3e50;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    background-color: #f8faff;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #0066cc;
    outline: none;
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.1);
    background-color: #fff;
}

.contact-form textarea {
    height: 180px;
    resize: none;
}

.contact-form .btn {
    width: 100%;
    padding: 15px;
    font-size: 16px;
    letter-spacing: 1px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.contact-form .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.2);
}

/* 页脚 */
.footer {
    background-color: #1a1f2b;
    color: #fff;
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), transparent);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-logo img {
    height: 45px;
    margin-bottom: 25px;
    transition: opacity 0.3s ease;
}

.footer-logo img:hover {
    opacity: 0.9;
}

.footer-links h3,
.footer-contact h3 {
    font-size: 20px;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
    padding-bottom: 12px;
    font-weight: 600;
}

.footer-links h3:after,
.footer-contact h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: #0066cc;
    transition: width 0.3s ease;
}

.footer-links:hover h3:after,
.footer-contact:hover h3:after {
    width: 60px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    font-size: 15px;
    display: inline-block;
}

.footer-links ul li a:hover {
    color: #fff;
    transform: translateX(5px);
}

.footer-contact ul li {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    font-size: 15px;
}

.footer-contact ul li i {
    margin-right: 12px;
    color: #0066cc;
    font-size: 18px;
}

.social-links {
    display: flex;
    margin-top: 25px;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.social-link:hover {
    background-color: #0066cc;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
}

.social-link i {
    color: #fff;
    font-size: 18px;
    transition: transform 0.3s ease;
}

.social-link:hover i {
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

/* 团队介绍样式 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.team-member {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-image {
    width: 200px;  /* 设置固定宽度 */
    height: 200px; /* 设置固定高度 */
    margin: 0 auto; /* 水平居中 */
    border-radius: 50%; /* 圆形效果 */
    overflow: hidden; /* 确保内容不超出圆形边界 */
    background-color: #f5f5f5; /* 添加浅灰色背景 */
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center; /* 确保图片居中显示 */
}

.member-info {
    padding: 20px;
    text-align: center;
}

.member-info h3 {
    margin: 0;
    color: #333;
    font-size: 1.5rem;
}

.member-info .position {
    color: #666;
    margin: 10px 0;
}

.member-info .description {
    color: #777;
    line-height: 1.6;
}

/* 企业成就样式 */
.achievements {
    background: #f8f9fa;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.achievement-item {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.achievement-icon {
    margin-bottom: 20px;
}

.achievement-icon img {
    width: 60px;
    height: 60px;
}

.achievement-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #0066cc;
    margin-bottom: 10px;
}

.achievement-title {
    color: #666;
    font-size: 1.1rem;
}

.achievements-list {
    margin-top: 50px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.achievement-detail {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.achievement-detail h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.achievement-detail ul {
    list-style: none;
    padding: 0;
}

.achievement-detail li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    color: #666;
}

.achievement-detail li:last-child {
    border-bottom: none;
}

/* 研发团队介绍样式 */
.research-team {
    margin-top: 60px;
    padding: 40px 0;
    border-radius: 12px;
}

.research-team-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.research-team-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
    margin: 0;
}

/* 解决方案详情页样式 */
.solution-detail {
    padding: 80px 0;
}

.solution-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 50px;
    align-items: center;
}

.overview-content h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
}

.overview-content p {
    color: #666;
    line-height: 1.8;
}

.overview-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 核心功能样式 */
.core-features {
    margin-top: 80px;
}

.core-features h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
}

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

.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    margin-bottom: 20px;
}

.feature-icon img {
    width: 60px;
    height: 60px;
}

.feature-card h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 20px;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 技术优势样式 */
.tech-advantages {
    margin-top: 80px;
}

.tech-advantages h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
}

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

.advantage-item {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.advantage-item h4 {
    color: #333;
    margin-bottom: 20px;
    font-size: 20px;
    position: relative;
    padding-left: 20px;
}

.advantage-item h4:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: #0066cc;
    border-radius: 2px;
}

.advantage-item ul {
    list-style: none;
    padding: 0;
}

.advantage-item ul li {
    color: #666;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.advantage-item ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #0066cc;
}

/* 应用场景样式 */
.application-scenarios {
    margin-top: 80px;
}

.application-scenarios h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
}

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

.scenario-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

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

.scenario-card h4 {
    padding: 20px;
    margin: 0;
    color: #333;
    font-size: 20px;
}

.scenario-card p {
    padding: 0 20px 20px;
    margin: 0;
    color: #666;
    line-height: 1.6;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .solution-overview {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .advantages-list,
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
}

/* 系统架构样式 */
.system-architecture {
    margin-top: 80px;
}

.system-architecture h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
}

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.architecture-item {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.architecture-item h4 {
    color: #333;
    margin-bottom: 20px;
    font-size: 20px;
    text-align: center;
}

.architecture-item ul {
    list-style: none;
    padding: 0;
}

.architecture-item ul li {
    color: #666;
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.architecture-item ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #0066cc;
}

/* 应用价值样式 */
.solution-benefits {
    margin-top: 80px;
}

.solution-benefits h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.benefit-item {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.benefit-item h4 {
    color: #333;
    margin-bottom: 20px;
    font-size: 20px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.benefit-item h4:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: #0066cc;
}

.benefit-item ul {
    list-style: none;
    padding: 0;
}

.benefit-item ul li {
    color: #666;
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.benefit-item ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #0066cc;
}

/* 数据分析流程样式 */
.data-process {
    margin-top: 80px;
}

.data-process h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.process-item {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
}

.process-item:not(:last-child):after {
    content: '→';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    color: #0066cc;
    font-size: 24px;
}

.process-icon {
    margin-bottom: 20px;
}

.process-icon img {
    width: 60px;
    height: 60px;
}

.process-item h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 20px;
}

.process-item p {
    color: #666;
    line-height: 1.6;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-item:after {
        display: none;
    }
}

@media (max-width: 768px) {
    .process-grid {
        grid-template-columns: 1fr;
    }
}

/* 案例详情页样式 */
.case-detail {
    padding: 80px 0;
}

.client-info,
.project-challenges,
.solution-details,
.project-results {
    margin-bottom: 60px;
}

.client-info h3,
.project-challenges h3,
.solution-details h3,
.project-results h3 {
    color: #333;
    font-size: 24px;
    margin-bottom: 30px;
    position: relative;
    padding-left: 15px;
}

.client-info h3:before,
.project-challenges h3:before,
.solution-details h3:before,
.project-results h3:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: #0066cc;
    border-radius: 2px;
}

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

/* 客户信息网格布局 */
.client-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 30px;
}

.client-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.client-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.client-image img:hover {
    transform: scale(1.05);
}

/* 响应式适配 */
@media (max-width: 768px) {
    .client-grid {
        grid-template-columns: 1fr;
    }
    
    .client-image {
        order: -1; /* 在移动端将图片显示在文字上方 */
    }
}

/* 项目挑战和解决方案的网格布局 */
.project-challenges,
.solution-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.project-challenges h3,
.solution-details h3 {
    grid-column: 1 / -1;
    color: #333;
    font-size: 24px;
    margin-bottom: 30px;
    position: relative;
    padding-left: 15px;
}

.project-challenges ul {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    list-style: none;
}

.project-challenges ul li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 20px;
    line-height: 1.6;
    color: #666;
}

.project-challenges ul li:before {
    content: '!';
    position: absolute;
    left: 0;
    width: 20px;
    height: 20px;
    background: #ff6b6b;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 20px;
    font-size: 14px;
}

.solution-content {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.solution-content h4 {
    color: #0066cc;
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e9ecef;
}

.solution-content ul {
    list-style: none;
    padding: 0;
}

.solution-content ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 15px;
    line-height: 1.6;
    color: #666;
}

.solution-content ul li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #40c057;
    font-weight: bold;
}

/* 添加图表或示意图的容器 */
.project-visual,
.solution-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.project-visual img,
.solution-visual img {
    max-width: 100%;
    height: auto;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.result-item {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.result-item h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 20px;
}

.result-item p {
    color: #0066cc;
    font-size: 18px;
    font-weight: bold;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .project-challenges,
    .solution-details {
        grid-template-columns: 1fr;
    }
    
    .project-visual,
    .solution-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
}

/* 应用效果样式更新 */
.results-content {
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.data-comparison {
    margin-bottom: 40px;
}

.data-comparison:last-child {
    margin-bottom: 0;
}

.data-comparison h4 {
    color: #333;
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e9ecef;
}

.data-chart {
    text-align: center;
}

.data-chart img {
    max-width: 100%;
    height: auto;
    margin-bottom: 15px;
    border-radius: 4px;
}

.chart-caption {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 了解更多部分样式 */
.more-info {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 0;
    text-align: center;
}

.more-info h3 {
    color: #2c3e50;
    font-size: 28px;
    margin-bottom: 20px;
    font-weight: 600;
}

.more-info p {
    color: #6c757d;
    font-size: 16px;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 30px;
}

.contact-info {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    margin: 0 auto;
}

.contact-info p {
    margin: 15px 0;
    color: #495057;
    display: flex;
    align-items: center;
    gap: 10px;
}