<style>
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Microsoft YaHei', Arial, sans-serif;
        line-height: 1.6;
        color: #333;
        background-color: #f9f9f9;
    }

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

    /* Section 1: Hero */
    .hero {
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    background-image: url('//cdn.xuansiwei.com/d0923dex13158/1768786276531/futu1_r__1400-912_c__c0d2df_.jpg?x-oss-process=style/small');
    background-size: cover;          
    background-repeat: no-repeat;    
    background-position: center center; 
    color: white;
    padding: 100px 0;
    text-align: center;
}

    .hero h1 {
        font-size: 2.5rem;
        margin-bottom: 20px;
        line-height: 1.3;
    }

    .hero p {
        font-size: 1.2rem;
        margin-bottom: 40px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-content-wrapper {
        background-color: rgba(0, 0, 0, 0.4);
        /* 黑色背景，60% 透明度 */
        padding: 40px;
        border-radius: 10px;
        display: inline-block;
        text-align: center;
        margin-top: 20px;
    }

    .cta-buttons {
        display: flex;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
    }

    .btn {
        display: inline-block;
        padding: 15px 30px;
        text-decoration: none;
        border-radius: 50px;
        font-weight: bold;
        font-size: 1.1rem;
        transition: all 0.3s ease;
    }

    .btn-primary {
        background-color: white;
        color: #667eea;
        border: 2px solid white;
    }

    .btn-secondary {
        background-color: transparent;
        color: white;
        border: 2px solid white;
    }

    .btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }
    /* 手机端优化 - Hero 部分 */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0;  /* 减少内边距 */
    }
    
    .hero h1 {
        font-size: 1.8rem;  /* 减小标题字体 */
        margin-bottom: 15px;
        line-height: 1.4;
    }
    
    .hero p {
        font-size: 1rem;   /* 减小段落字体 */
        margin-bottom: 30px;
        padding: 0 10px;   /* 添加左右内边距避免文字贴边 */
    }
    
    .hero-content-wrapper {
        padding: 25px 15px;  /* 减小内容包装的内边距 */
        margin: 15px 10px;   /* 添加外边距 */
    }
    
    .cta-buttons {
        flex-direction: column;      /* 按钮改为垂直排列 */
        align-items: center;         /* 居中对齐 */
        gap: 15px;                   /* 调整按钮间距 */
    }
    
    .btn {
        width: 100%;               /* 按钮占满宽度 */
        max-width: 300px;          /* 设置最大宽度 */
        text-align: center;        /* 文字居中 */
        padding: 12px 20px;        /* 调整按钮内边距 */
        font-size: 1rem;           /* 调整按钮字体大小 */
    }
}

/* 针对更小屏幕的进一步优化 */
@media (max-width: 480px) {
    .hero {
        padding: 40px 0;
    }
    
    .hero h1 {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }
    
    .hero p {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }
    
    .hero-content-wrapper {
        padding: 20px 10px;
        margin: 10px 5px;
    }
    
    .btn {
        padding: 10px 15px;
        font-size: 0.95rem;
        max-width: 280px;
    }
}

    /* Section 2: Challenges */
    .challenges {
        padding: 80px 0;
        background-color: white;
    }

    .challenges h2 {
        text-align: center;
        font-size: 2rem;
        margin-bottom: 60px;
        color: #333;
    }

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

    .challenge-item {
        text-align: center;
        padding: 30px;
        background-color: #f8f9fa;
        border-radius: 10px;
        transition: all 0.3s ease;
    }

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


    /* .challenge-icon {
            width: 80px;
            height: 80px;
            background-color: #667eea;
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
        } */

    .challenge-item h3 {
        font-size: 1.3rem;
        margin-bottom: 15px;
        color: black;
    }

    .challenge-item p {
        font-size: 1rem;
        color: #666;
        text-align:left;
    }

    /* Section 3: Services */
    .services {
        padding: 80px 0;
        background-color: #f8f9fa;
    }

    .services h2 {
        text-align: center;
        font-size: 2rem;
        margin-bottom: 60px;
        color: #333;
    }

    .services-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        gap: 40px;
    }

    .service-item {
        background-color: white;
        padding: 40px;
        border-radius: 10px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }

    .service-item:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }

    .service-item h3 {
        font-size: 1.5rem;
        font-weight: bold;
        margin-bottom: 20px;
        color: black;
        border-bottom: 2px solid black;
        padding-bottom: 10px;
    }

    .service-item h4 {
        font-size: 1.2rem;
        margin-bottom: 15px;
        color: #333;
    }

    .service-item p {
        margin-bottom: 15px;
        color: #666;
    }

    /* Section 4: Workflow */
    .workflow {
        padding: 80px 0;
        background-color: white;
    }

    .workflow h2 {
        text-align: center;
        font-size: 2rem;
        margin-bottom: 60px;
        color: #333;
    }

    .timeline {
        position: relative;
        max-width: 1000px;
        margin: 0 auto;
    }

    /* Horizontal Timeline Styles */
    .timeline-horizontal {
        position: relative;
        padding: 40px 0;
        max-width: 1200px;
        margin: 0 auto;
        margin-left: -110px;
    }

    .timeline-line {
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        height: 6px;
        background-color: #667eea;
        transform: translateY(-50%);
        z-index: 1;
        width: 123%;
    }


    .timeline-items {
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: relative;
        z-index: 2;
    }

    .timeline-item {
        flex: 1;
        text-align: center;
        padding: 0 20px;
    }

    .timeline-dot {
        width: 25px;
        height: 25px;
        background-color: white;
        border: 4px solid #667eea;
        border-radius: 50%;
        margin: 0 auto 20px;
        z-index: 3;
    }

    .timeline-content {
        background-color: #f8f9fa;
        padding: 20px;
        border-radius: 6px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }

    .timeline-content:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }

    .timeline-content h3 {
        color: black;
        margin-bottom: 10px;
    }

    #three{
        color: black;
        margin-bottom: 10px;
        width:380px;
    }

    #five{
        color: black;
        margin-bottom: 10px;
        width:190px;
    }
    

    
    

    .timeline-content p {
        color: #666;
        font-size: 1rem;
        text-align: left;
    }

    /* Consultation Workflow Styles */
    .consultation-workflow {
        margin-top: 60px;
    }

    .consultation-steps {
        display: flex;
        justify-content: space-between;
        gap: 30px;
        margin-top: 40px;
    }

    .consultation-step {
        flex: 1;
        display: flex;
        align-items: flex-start;
        gap: 20px;
        padding: 20px;
        background-color: #f8f9fa;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .consultation-step:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    .step-number {
        width: 50px;
        height: 50px;
        background-color: #667eea;
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        font-weight: bold;
        flex-shrink: 0;
    }

    .step-content h3 {
        color: black;
        margin-bottom: 10px;
    }

    .step-content p {
        color: #666;
        font-size: 1rem;
    }

    .timeline-content {
        padding: 20px 30px;
        background-color: #f8f9fa;
        position: relative;
        border-radius: 6px;
    }

    .timeline-content h3 {
        color: black;
        margin-bottom: 10px;
    }

    /* Section 5: Why Choose Me */
    .why-choose {
    padding: 80px 0;
    background-color: gray;
    color: white;
}

.why-choose h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 60px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); /* 修改为适合3个项目的布局 */
    gap: 40px;
    text-align: center;
}

.why-item {
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.why-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.why-item .badge {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 20px;
    color: white;
    margin-left: -30px;
}

.why-item h3 {
    font-size: 25px;
    margin-bottom: 15px;
    color: white;
}

.why-item p {
    font-size: 1rem;
    opacity: 0.9;
    color: white;
}

    /* Section 6: Next Steps */
    .next-steps {
        padding: 25px 0;
        background-color: white;
        text-align: center;
    }

    .next-steps h2 {
        font-size: 2rem;
        margin-bottom: 30px;
        color: #333;
    }

    .next-steps p {
        font-size: 1.2rem;
        margin-bottom: 50px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
        color: #666;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .hero h1 {
            font-size: 2rem;
        }

        /* Responsive Horizontal Timeline */
        .timeline-horizontal {
            padding: 20px 0;
            margin-left: 0;
        }

        .timeline-items {
            flex-direction: column;
            gap: 30px;
        }

        .timeline-line {
            top: 0;
            left: 50%;
            bottom: 0;
            width: 6px;
            height: 100%;
            transform: translateX(-50%);
        }
        
        #three{ 
            width: 100%;
        }

        #five{
            width: 100%;
        }

        .timeline-item {
            width: 100%;
            padding: 0;
        }

        .timeline-content {
            max-width: 300px;
            margin: 0 auto;
        }

        /* Responsive Consultation Workflow */
        .consultation-steps {
            flex-direction: column;
            gap: 20px;
        }

        .consultation-step {
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .cta-buttons {
            flex-direction: column;
            align-items: center;
        }
    }
</style>