.header-lien-he {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 90px 0;
    color: #000;

}

/* overlay cho dễ đọc chữ */
.header-lien-he::before {
    content: "";
    position: absolute;
    inset: 0;
    background:#f6f6f6;
}

.header-lien-he .container {
    position: relative;
    text-align: center;
}

/* title */
.header-title {
    font-size: 38px;
    font-weight: 700;
    margin: 0;
}

/* breadcrumb */
.breadcrumb {
    margin-top: 12px;
    font-size: 15px;
}

.breadcrumb a {
    color: #333;
    text-decoration: none;
    opacity: 0.9;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb span {
    margin: 0 8px;
    color: #ddd;
}

.breadcrumb .current {
    font-weight: 600;
    color: #333;
}

/* responsive */
@media (max-width: 768px) {
    .header-title {
        font-size: 26px;
    }

    .header-lien-he {
        padding: 60px 0;
    }
}

.titlelhh1{
	font-size:20px;
	line-height:1.7;
}
.lienhe-section {
    padding: 70px 0;
    background: #f6f8fb;
}

/* container an toàn cho mọi theme */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* title */
.lienhe-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 40px;
    color: #222;
    position: relative;
}

.lienhe-title:after {
    content: "";
    width: 80px;
    height: 3px;
    background: #c00;
    display: block;
    margin: 10px auto 0;
}

/* grid */
.lienhe-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

/* item */
.lienhe-item {
    flex: 1 1 calc(25% - 20px);
    background: #fff;
    border-radius: 12px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 5px 18px rgba(0,0,0,0.06);
    transition: 0.3s;
}

.lienhe-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

/* icon */
.lienhe-item .icon {
    font-size: 32px;
    margin-bottom: 10px;
}

/* text */
.lienhe-item h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #222;
}

.lienhe-item p {
    font-size: 15px;
    color: #444;
    margin: 0;
    line-height: 1.6;
}

.lienhe-item .hotline {
    font-size: 18px;
    font-weight: 700;
    color: #c00;
}

.lienhe-item span {
    display: block;
    margin-top: 5px;
    font-size: 13px;
    color: #777;
}

/* responsive */
@media (max-width: 992px) {
    .lienhe-item {
        flex: 1 1 calc(50% - 20px);
    }
}

@media (max-width: 576px) {
    .lienhe-item {
        flex: 1 1 100%;
    }
}


.noidunglienhe {
    padding: 30px 0;
    background: #f6f8fb;
    font-family: Arial, sans-serif;
}

/* layout 2 cột */
.noidunglienhe .contact-layout {
    display: flex;
    gap: 25px;
    max-width: 1200px;
    margin: auto;
    padding: 0 15px;
}

/* LEFT */
.noidunglienhe .contact-left {
    flex: 1;
    background:#1e4fa3 ;
    color: #fff;
    padding: 15px;
    border-radius: 12px;
}

.noidunglienhe .contact-left h2 {
    font-size: 20px;
    margin-bottom: 10px;
}

.noidunglienhe .contact-left p {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.noidunglienhe .btn-chat {
    display: inline-block;
    padding: 10px 18px;
    border: 1px solid #fff;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    transition: 0.3s;
}

.noidunglienhe .btn-chat:hover {
    background: #fff;
    color: #c00;
}

/* RIGHT */
.noidunglienhe .contact-right {
    flex: 2;
    background: #fff;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

.noidunglienhe .contact-right h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #c00;
}

/* form */
.noidunglienhe .contact-form {
    display: grid;
    gap: 12px;
}

.noidunglienhe .contact-form input,
.noidunglienhe .contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
}

.noidunglienhe .contact-form textarea {
    min-height: 120px;
    resize: none;
}

.noidunglienhe .contact-form button {
    background: #c00;
    color: #fff;
    border: none;
    padding: 12px;
    font-size: 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s;
}

.noidunglienhe .contact-form button:hover {
    background: #900;
}

/* responsive */
@media (max-width: 992px) {
    .noidunglienhe .contact-layout {
        flex-direction: column;
    }
}