.nav a.menu-contact {
    color: var(--orange-color);
}

/* CONTACT US */
.contact-header {
    margin-top: 30px;
}

.contact-header .title {
    font-size: var(--largest-font-size);
    font-weight: var(--large-font-weight);
    text-align: center;
}

.contact-header .description {
    font-size: var(--large-font-size);
    font-weight: var(--normal-font-weight);
    text-align: center;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 0 20px 20px;
    margin-top: 30px;
    box-shadow: var(--shadow);
    border-radius: var(--normal-border-radius);
}


.contact-details .phone-details {
    margin-top: 40px;
}

.contact-details .wechat .title,
.contact-details .call-us .title,
.contact-details .phone-address .title {
    font-size: var(--larger-font-size);
    color: var(--navy-color);
}

.contact-details .call-us .sub-title,
.contact-details .phone-address .sub-title {
    font-size: var(--large-font-size);
}

.contact-details .call-us-details .sub-title a {
    font-size: var(--large-font-size);
    line-height: var(--large-font-size);
    text-decoration: none;
    color: var(--general-color);
}

.contact-details .phone-details .icon {
    font-size: var(--large-font-size);
}

.contact-details .phone-details .address-link {
    text-decoration: none;
    font-size: var(--large-font-size);
    color: var(--general-color);
}

.location-links {
    margin-top: 10px;
}

.location-links .btn-link {
    display: inline-block;
    margin-right: 15px;
    padding: 8px 12px;
    background-color: #f1f1f1;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid #ccc;
    font-size: 14px;
    margin-top: 10px;
    width: 150px;
}

.location-links .btn-link:hover {
    background-color: #e2e2e2;
}

.wechat-us .title {
    font-size: var(--larger-font-size);
    margin-bottom: 10px;
}

.wechat-us .details {
    display: flex;
    padding-left: 7px;
}

.wechat-us .details .square {
    width: 60px;
    height: 60px;
    color: #FFF;
    border-radius: 5px;
    padding: 27px 0 6px 4px;
    background: var(--navy-color);
}

.wechat-us .details .square .math b {
    color: var(--orange-color);
}

.wechat-us .details .account {
    align-self: center;
    margin-left: 10px;
}

.wechat-us .details .account .name {
    font-size: var(--large-font-size);
    font-weight: var(--large-font-weight);
}

.wechat-us .image {
    margin-top: 10px;
}

.wechat-us .image img {
    width: 200px;
    height: 200px;
}

.message {
    margin-top: 30px;
    text-align: center;
    padding: 10px;
    background: rgba(0, 0, 0, 0.06);
}

.message h3 {
    font-size: var(--larger-font-size);
}

/* 2. 手机端样式分割点 (屏幕宽度 < 768px) */
@media screen and (max-width: 767px) {
    .contact-details {
        grid-template-columns: repeat(1, 1fr);
    }
}