.banner{
    background: linear-gradient(135deg, #f0f7f4 0%, #e8f5f1 100%);
    padding: 100px 40px;
    position: relative;
}
.banner::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #d4af37, transparent);
}
.banner h1{
    height: auto;
    display: block;
    text-align: center;
    font-size: 36px;
    color: #0a4d3c;
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    line-height: 1.6;
    font-weight: 700;
}
.banner h1::after{
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #d4af37, #f4d03f);
    margin: 30px auto 0;
}

.icon{
    width: 1200px;
    max-width: 100%;
    height: auto;
    margin: 100px auto;
    padding: 0 40px;
    box-sizing: border-box;
    background: linear-gradient(135deg, #ffffff 0%, #f8faf9 100%);
    border-radius: 20px;
    padding: 60px 40px;
    position: relative;
    box-shadow: 0 10px 40px rgba(10, 77, 60, 0.08);
}
.icon::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, #0a4d3c, #1a5f4e);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.15;
}
.icon p{
    text-align: center;
    font-size: 32px;
    color: #0a4d3c;
    margin: 0 0 60px 0;
    font-weight: 700;
    position: relative;
}
.icon p::after{
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #d4af37, #f4d03f);
    margin: 20px auto 0;
}
.icon ul{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 50px;
}
.icon ul li{
    float: none;
    margin: 0;
    transition: transform 0.3s ease;
    position: relative;
}
.icon ul li::before{
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 1px solid rgba(10, 77, 60, 0.15);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.icon ul li:hover::before{
    opacity: 1;
}
.icon ul li:hover{
    transform: translateY(-15px);
}
.icon ul li img{
    width: 120px;
    height: 60px;
    object-fit: contain;
    background: transparent;
}

.relation-box{
    height: auto;
    background: linear-gradient(135deg, #0a4d3c 0%, #1a5f4e 100%);
    margin: auto;
    padding: 100px 40px;
}

.relation_a{
    width: 700px;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}
.relation_a h2{
    font-size: 42px;
    text-align: center;
    font-weight: 800;
    color: #ffffff;
    background-color: transparent;
    padding: 0 0 20px 0;
}
.relation_a h3{
    font-size: 18px;
    line-height: 1.6;
    text-align: center;
    font-weight: 300;
    color: #e8f5f1;
    background-color: transparent;
    padding: 0 20px 50px;
}
.relation-box form{
    display: block;
    background-color: transparent;
}
.relation-box form input:not([type="submit"]){
    width: 100%;
    max-width: 100%;
    height: 56px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.95);
    margin: 20px auto;
    display: block;
    font-size: 16px;
    color: #0a4d3c;
    line-height: 56px;
    padding: 0 20px;
    box-sizing: border-box;
    border-radius: 10px;
    transition: all 0.3s ease;
}
.relation-box form input:not([type="submit"]):focus{
    border-color: #d4af37;
    outline: none;
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.2);
    background: rgba(255, 255, 255, 1);
}
.relation-box form input:not([type="submit"])::placeholder{
    color: #8892a6;
}
.relation-box form textarea{
    width: 100%;
    max-width: 100%;
    height: 140px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.95);
    margin: 20px auto;
    display: block;
    font-size: 16px;
    color: #0a4d3c;
    padding: 20px;
    box-sizing: border-box;
    border-radius: 10px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.6;
    transition: all 0.3s ease;
}
.relation-box form textarea:focus{
    border-color: #d4af37;
    outline: none;
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.2);
    background: rgba(255, 255, 255, 1);
}
.relation-box form textarea::placeholder{
    color: #8892a6;
}
.relation-box form input[type="submit"]{
    width: 220px;
    height: 56px;
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    font-size: 16px;
    color: #ffffff;
    margin: 40px auto 0;
    display: block;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
}
.relation-box form input[type="submit"]:hover{
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.5);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .banner{
        padding: 50px 15px;
    }
    .banner h1{
        font-size: 24px;
    }
    .icon{
        margin: 50px auto;
    }
    .icon p{
        font-size: 20px;
        margin-bottom: 30px;
    }
    .icon ul{
        gap: 20px;
    }
    .icon ul li img{
        width: 100px;
        height: 50px;
        object-fit: contain;
    }
    .relation-box{
        padding: 50px 15px;
    }
    .relation_a{
        width: 100%;
    }
    .relation_a h2{
        font-size: 28px;
    }
    .relation_a h3{
        font-size: 16px;
        padding: 0 10px 30px;
    }
    .relation-box form input:not([type="submit"]),
    .relation-box form textarea{
        width: 100%;
        max-width: 100%;
    }
    .relation-box form input[type="submit"]{
        width: 100%;
        max-width: 200px;
    }
}


/* Responsive Design */
@media screen and (max-width: 768px) {
    .banner{
        padding: 60px 20px;
    }
    .banner h1{
        font-size: 26px;
    }
    .icon{
        margin: 60px auto;
        padding: 40px 20px;
    }
    .icon p{
        font-size: 24px;
        margin-bottom: 40px;
    }
    .icon ul{
        gap: 30px;
    }
    .icon ul li img{
        width: 90px;
        height: 45px;
        object-fit: contain;
    }
    .relation-box{
        padding: 60px 20px;
    }
    .relation_a{
        width: 100%;
    }
    .relation_a h2{
        font-size: 32px;
    }
    .relation_a h3{
        font-size: 16px;
        padding: 0 10px 40px;
    }
    .relation-box form input:not([type="submit"]){
        height: 52px;
        font-size: 15px;
        margin: 15px auto;
    }
    .relation-box form textarea{
        height: 130px;
        font-size: 15px;
        margin: 15px auto;
    }
    .relation-box form input[type="submit"]{
        width: 100%;
        max-width: 200px;
        height: 52px;
        margin: 30px auto 0;
    }
}