.hero-banner {
    background-color: #e6f5f7;
    padding: 12.5vw max(20px, calc((100% - 1160px) / 2)) 7.3vw max(20px, calc((100% - 1160px) / 2));
    position: relative;
}

.hero-banner h1 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #111;
}

.hero-banner p {
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    margin-bottom: 40px;
}

.hero-banner .banner-img {
    width: 100%;
    height: auto;
    margin-bottom: 30px;
}

.btn-primary {
    display: block;
    width: fit-content;
    margin: 0 auto;
    padding: 8px 20px;
    background-color: #20a8a0;
    color: white;
    border: none;
    border-radius: 2px;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: #1a8a83;
    color: white;
}

.section-auto {
    padding: 60px 10%;
}

.section-auto h2 {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 40px;
    color: #111;
}

.process-item {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
    gap: 40px;
}

.process-item:nth-child(even) {
    flex-direction: row-reverse;
}

.process-item img {
    width: 45%;
    height: auto;
    border-radius: 4px;
}

.process-text {
    width: 55%;
}

.process-text h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #222;
}

.process-text p {
    font-size: 13px;
    line-height: 1.6;
    color: #444;
}

.section-case {
    padding: 60px 10%;
    background-color: #f8f9fa;
}

.section-case h2 {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 40px;
    color: #111;
}

.case-list {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.case-item {
    width: 32%;
    text-decoration: none;
    color: inherit;
    display: block;
}

.case-item img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 15px;
}

.case-item p {
    font-size: 12px;
    line-height: 1.5;
    color: #333;
}

.case-item:hover {
    opacity: 0.8;
}

.section-contact {
    display: flex;
}

.contact-left {
    width: 35%;
    background-color: #20a8a0;
    color: white;
}

.contact-left h2 {
    font-size: 24px;
    margin-bottom: 15px;
}

.contact-left p {
    font-size: 13px;
    opacity: 0.9;
}

.contact-right {
    width: 65%;
    background-color: white;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    width: 50%;
}

.form-group.full-width {
    width: 100%;
}

.form-group label {
    display: none;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: none;
    border-bottom: 1px solid #eee;
    font-size: 13px;
    color: #555;
    outline: none;
}

.form-group textarea {
    height: 80px;
    resize: none;
}

.form-check {
    margin: 20px 0;
    font-size: 12px;
    color: #666;
}

.form-submit {
    text-align: center;
}

.form-submit button {
    padding: 8px 25px;
    background-color: #20a8a0;
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
}

.form-submit button:hover {
    background-color: #1a8a83;
}

@media (max-width: 768px) {
    .process-item, .process-item:nth-child(even) {
        flex-direction: column;
    }
    
    .process-item img, .process-text {
        width: 100%;
    }
    
    .case-list {
        flex-direction: column;
    }
    
    .case-item {
        width: 100%;
    }
    
    .section-contact {
        flex-direction: column;
    }
    
    .contact-left, .contact-right {
        width: 100%;
    }
    
    .form-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .form-group {
        width: 100%;
    }
    
    .hero-banner {
        padding: 80px 20px 40px 20px;
    }
    
    .section-auto {
        padding: 40px 5%;
    }
    
    .section-case {
        padding: 40px 5%;
    }
}