.contact-page {
    max-width: 900px;
    min-height: 75vh;
    padding-top: 55px;
    padding-bottom: 80px;
    color: #344b57;
}

.contact-card {
    overflow: hidden;
    border: 1px solid #d6e8e9;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 14px 38px rgba(41, 72, 92, 0.09);
}

.contact-card-header {
    padding: 25px 30px;
    color: #29485c;
    border-bottom: 1px solid #cfe7e8;
    background:
        radial-gradient(
            circle at 90% 20%,
            rgba(73, 103, 238, 0.07),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            #f2fbfb,
            #dff4f5
        );
    font-size: 1.25rem;
    font-weight: 800;
}

.contact-card .card-body {
    padding: 36px 38px 42px;
}

.contact-card .newContainer1,
.contact-card .form-container,
.contact-card form {
    width: 100%;
}

.contact-card .form-label {
    display: block;
    margin-bottom: 8px;
    color: #29485c;
    font-size: 0.94rem;
    font-weight: 700;
}

.contact-card .form-label span {
    color: #718087;
    font-size: 0.78rem;
    font-weight: 400;
}

.contact-card .form-control,
.contact-card .form-select {
    width: 100%;
    min-height: 48px;
    padding: 10px 13px;
    color: #344b57;
    border: 1px solid #cddfe1;
    border-radius: 8px;
    background-color: #fff;
    font-size: 0.95rem;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

.contact-card textarea.form-control {
    min-height: 210px;
    line-height: 1.8;
    resize: vertical;
}

.contact-card .form-control:focus,
.contact-card .form-select:focus {
    border-color: #62cbd0;
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(98, 203, 208, 0.15);
    outline: none;
}

.contact-card .form-control::placeholder {
    color: #a2afb4;
}

.contact-business-intro {
    padding: 20px 22px;
    margin-bottom: 30px;
    border: 1px solid #bfe4e5;
    border-left: 5px solid #62cbd0;
    border-radius: 9px;
    background: #f1fbfb;
}

.contact-business-intro strong {
    display: block;
    margin-bottom: 7px;
    color: #29485c;
}

.contact-business-intro p {
    margin: 0;
    color: #627880;
    font-size: 0.9rem;
    line-height: 1.8;
}

.contact-management-number {
    padding: 19px 20px;
    margin-bottom: 24px;
    border: 1px solid #c7e6e7;
    border-radius: 9px;
    background: #f4fbfb;
}

.contact-management-number .form-group {
    margin: 0;
}

.contact-management-number small {
    display: block;
    margin-top: 7px;
    color: #72858c;
    font-size: 0.78rem;
}

.contact-card .form-group {
    margin-bottom: 7px;
}

.contact-card .row.mb-3 {
    margin-bottom: 23px !important;
}

.contact-card .form-group[style*="margin-bottom"] {
    padding: 18px 20px;
    margin: 8px 0 25px !important;
    border: 1px dashed #b9d4d6;
    border-radius: 9px;
    background: #f8fbfb;
}

.contact-card .form-group[style*="margin-bottom"] label {
    display: block;
    margin-bottom: 10px;
    color: #536b75;
    font-size: 0.86rem;
    font-weight: 600;
}

.contact-card #anti_spam {
    max-width: 420px;
}

.contact-card #calculate {
    width: 100%;
    min-height: 54px;
    padding: 13px 25px;
    border: 0;
    border-radius: 8px;
    color: #fff;
    background: #4967ee;
    box-shadow: 0 9px 22px rgba(73, 103, 238, 0.18);
    font-size: 1rem;
    font-weight: 800;
    transition:
        transform 0.2s ease,
        background-color 0.2s ease,
        box-shadow 0.2s ease;
}

.contact-card #calculate:hover {
    color: #fff;
    background: #3856d8;
    box-shadow: 0 12px 25px rgba(73, 103, 238, 0.23);
    transform: translateY(-2px);
}

.contact-card #calculate:active {
    box-shadow: none;
    transform: translateY(0);
}

.contact-error {
    padding: 18px 20px;
    margin-bottom: 25px;
    color: #8d3434;
    border: 1px solid #edcaca;
    border-radius: 9px;
    background: #fff5f5;
}

.contact-error strong {
    display: block;
    margin-bottom: 7px;
}

.contact-error ul {
    padding-left: 20px;
    margin: 0;
}

.contact-error li {
    margin: 3px 0;
}

.contact-card #date_explain {
    padding-top: 18px;
    margin-top: 12px;
    color: #77878d;
    border-top: 1px solid #e0e9eb;
    font-size: 0.76rem;
    line-height: 1.7;
}

.contact-card #date_explain b {
    color: #536b75;
}

.contact-card .loading {
    display: none;
}

.contact-card .text-muted {
    color: #768990 !important;
}

.contact-card .d-none {
    display: none !important;
}

@media (max-width: 767px) {
    .contact-page {
        padding: 25px 13px 55px;
    }

    .contact-card {
        border-radius: 12px;
    }

    .contact-card-header {
        padding: 20px 19px;
        font-size: 1.08rem;
        line-height: 1.6;
    }

    .contact-card .card-body {
        padding: 25px 19px 30px;
    }

    .contact-business-intro,
    .contact-management-number {
        padding: 17px 16px;
    }

    .contact-card textarea.form-control {
        min-height: 190px;
    }

    .contact-card #calculate {
        min-height: 52px;
    }
}