/* 作者：json */

/* 头部样式 - 与其他页面相同 */
.header {
    background-color: var(--light-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

/* 导航菜单样式 - 与其他页面相同 */
.main-nav ul {
    display: flex;
}

.main-nav li {
    margin-left: 1.5rem;
}

.main-nav a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.main-nav a.active {
    color: var(--primary-color);
}

/* 移动端菜单按钮 - 与其他页面相同 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin-bottom: 5px;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 横幅样式 */
.banner-container {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin-bottom: 30px;
    margin-top: 2rem;
}

.banner {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/轮播1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    filter: brightness(0.8);
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--light-color);
    z-index: 1;
    width: 80%;
    max-width: 1000px;
    padding: 20px;
}

.banner-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    color: var(--light-color);
}

.banner-content p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    opacity: 0.9;
}

/* 解决方案内容区域样式 */
.solutions-content {
    padding: 3rem 2rem;
    background-color: var(--light-color);
    border-radius: 8px;
    margin-top: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.solutions-content h2 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.solutions-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.solutions-description p {
    color: var(--text-dark);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* 个性化落地方案部分样式 */
.solution-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.solution-card {
    background-color: var(--light-blue);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

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

.solution-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(var(--primary-color-rgb), 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.solution-icon i {
    font-size: 35px;
    color: var(--primary-color);
}

.solution-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.solution-card p {
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 专家解答服务部分样式 */
.expert-service {
    background-color: var(--light-color);
}

.contact-form-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.expert-contact-form {
    background-color: var(--light-blue);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

.submit-btn {
    background-color: var(--primary-color);
    color: var(--light-color);
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: var(--accent-color);
}

.contact-info {
    padding: 2rem;
    background-color: var(--light-blue);
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-info p {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1rem;
}

.service-commitment {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.service-commitment p {
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.service-commitment ul {
    padding-left: 1.5rem;
}

.service-commitment li {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    list-style-type: disc;
}

/* 页脚样式 - 与其他页面相同 */
.footer {
    background-color: var(--accent-color);
    color: var(--light-color);
    padding: 2rem 0;
}

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

.copyright p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 响应式设计 - 与其他页面相同 */
@media (max-width: 992px) {
    .banner-container {
        height: 350px;
    }
    
    .banner-content h1 {
        font-size: 2.5rem;
    }
    
    .banner-content p {
        font-size: 1.1rem;
    }
    
    .contact-form-container {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        padding: 1rem 0;
    }
    
    .banner-container {
        height: 300px;
    }
    
    .banner-content {
        padding: 1rem;
    }
    
    .banner-content h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .banner-content p {
        font-size: 1rem;
    }
    
    .solutions-content {
        padding: 2rem 1rem;
    }
    
    .contact-form-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .solution-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .logo {
        margin-bottom: 1rem;
    }

    .main-nav {
        width: 100%;
        display: none;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        text-align: center;
    }

    .main-nav li {
        margin: 0;
        padding: 0.8rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .mobile-menu-toggle {
        display: flex;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-header p {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    .solution-card {
        max-width: 100%;
    }
}