* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'SF Pro Display', sans-serif;
}

.container {
    background: url('../img/pc_bg.png') no-repeat center bottom;
    background-size: cover;
}

header {
    width: 100%;
    padding: 20px 0;
    height: 400px;
    /* background: url('../img/headerbg.png') no-repeat center center; */
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-direction: row;
}

.qua1 {
    position: absolute;
    left: 0%;
}

.qua2 {
    position: absolute;
    right: 0%;
}

.noidung {
    display: flex;
    width: 1200px;
    max-width: 100%;
    justify-content: space-between;
    align-items: center;
}

.w100 {
    width: 100%;
}

.w100 img {
    width: 450px;
    max-width: 90%;
}

.w50 {
    width: 50%;
    display: flex;
}

.flex-end {
    justify-content: flex-end;
}

.w50 img {
    max-width: 100%;
    height: auto;
}

.clear {
    clear: both;
}

.khuyenmai {
    width: 100%;
    margin: 20px 0 0;
    padding-bottom: 20px;
}

.banner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px;
}

.banner-detail {
    width: calc(50% - 10px);
    display: flex;
    justify-content: center;
}

.banner-detail a {
    display: flex;
}

.banner-detail img {
    max-width: 100%;
    height: auto;
}

.title {
    width: 1200px;
    max-width: 100%;
    margin: 0px auto 0;
    text-align: center;
    z-index: 2
}

.titlez {
    width: 350px;
    max-width: 90%;
    height: auto;
}

.form-container {
    width: 100%;
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(180deg, #007A1D 0%, #84C419 100%);
    border-radius: 22px;
}

form {
    width: 100%;
}

.form-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

label {
    font-weight: bold;
    margin-bottom: 5px;
    color: #fff;
    line-height: 35px;
}

.icon {
    width: 32px;
    float: left;
    margin-right: 10px;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 10px;
    outline: none;
    background: #f8f8f8;
}

.promo-wrapper {
    position: relative;
    width: 100%;
}

#promo-info {
    width: 100%;
    padding: 10px 40px 10px 10px;
    /* Chừa khoảng bên phải cho nút + */
    border: 1px solid #ccc;
    border-radius: 10px;
    background: #f8f8f8;
    outline: none;
}

.add-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: #1faa00;
    font-size: 34px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.verify-code {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.verify-code input {
    width: 40px;
    height: 40px;
    text-align: center;
    font-size: 18px;
    border: 1px solid #ccc;
    border-radius: 10px;
    outline: none;
}

.submit-btn {
    width: 40%;
    background: linear-gradient(to right, #007bff, #0056b3);
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    text-align: center;
    margin: 20px auto 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding: 10px;
    border-radius: 13.8309px;
    background: linear-gradient(90deg, #FFDD00 0%, #FF9000 100%);
    border: 2px solid #FFFFFF;
}

.submit-btn:hover {
    background: linear-gradient(90deg, #FF9000 0%, #FFDD00 100%);
}

.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    padding: 20px;
    backdrop-filter: blur(10px);
}

.popup-content {
    background: #e3f2fd;
    background: url(../img/popup.png) no-repeat top center;
    background-size: cover;
    padding: 10px 15px;
    border-radius: 10px;
    width: 670px;
    max-width: 90%;
    text-align: center;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    border: solid 2px #fff;

    max-height: 650px;
    overflow: hidden;
}

.popup-content .table-wrapper {
    max-height: 530px;
    overflow: auto;
    margin-bottom: 20px;
    border-radius: 8px;
}

.popup-content table {
    background: #fff;
    border-radius: 8px;
    border-spacing: 0px;
}

.popup-content table tr th {
    background: linear-gradient(180deg, #00bf2d 0%, #007A1D 100%);
    color: #fff;
    font-weight: normal;
    font-size: 20px;
}

.popup-content table tr th:first-child {
    border-right: 1px solid #04d134;
}

.popup-content table tr th:last-child {
    border-left: 1px solid #01be2d;
}

.popup-content table tr td {
    font-size: 16px;
    border: 1px solid #1e9a3b;
    border-radius: 0px;
    padding: 8px 15px;
    text-align: center;
}

.popup-content table tbody {}

.popup-content .close-btn {
    position: absolute;
    top: -25px;
    right: 30px;
    background: #fff;
    color: gray;
    border: none;
    width: 30px;
    height: 30px;
    font-size: 18px;
    border-radius: 50%;
    cursor: pointer;
    transform: translate(50%, 40px);
}

/* Bảng mã khuyến mãi */
table {
    width: 100%;
}

th,
td {
    padding: 7px;
    text-align: center;
}

th {
    margin-bottom: 10px;
}

.km-noidung {
    background: #fff;
}

td {
    border-radius: 10px;
    text-align: left;
    /* Căn lề trái nội dung khuyến mãi */
    padding-left: 15px;
}

/* Nút mã */
.code-btn {
    background: linear-gradient(90deg, #84C419 0%, #007A1D 100%);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 15px;
    cursor: pointer;
    width: 100%;
}

.hdpc {
    display: none;
}

.header {
    text-align: center;
}

.nutback {
    position: absolute;
    top: 2%;
    left: 5%;
    width: 60px;
    z-index: 2;
}

.nutback button {
    background: none;
    border: none;
    cursor: pointer;
}

.nutback img {
    width: 100%;
}

@media screen and (max-width: 1138px) {
    .container {
        height: 100%;
        background: url('../img/moblie_bg.png') no-repeat center bottom;
        background-size: cover;
    }

    .form-container {
        width: 90%;
    }

    .noidung {
        width: 100%;
        margin: 0 auto;
    }

    .banner-detail {
        width: 100%;
    }

    .form-row {
        flex-direction: column;
    }

    .submit-btn {
        width: 80%;
    }

    header {
        padding: 50px 30px 30px;
    }

    /* .qua1, .qua2 {
                display: none;
            } */

    .hdpc {
        display: block;
    }

    .hdmb {
        display: none;
    }

    header {
        height: auto;
    }

    .popup-content {
        padding: 10px;
    }

    .box-logo {
        display: flex;
        justify-content: center;
        margin-bottom: 10px;
    }

    .box-logo img {
        width: 70%;
    }

    tr td {
        font-size: 12px;
        line-height: 18px;
    }

    tr {
        margin-bottom: 5px;
    }

    .nutback {
        width: 30px;
    }
}

body.noscroll {
    overflow: hidden;
}


.welcome-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    /* cao hơn mọi thứ khác */
}


.welcome-box {
    position: relative;
    background: transparent;
    /* ảnh full box, không cần nền */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, .35);
}


.welcome-img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
}

/* Nút đóng */
.welcome-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
    line-height: 36px;
    border: 0;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: grid;
    place-items: center;
}

/* Mặc định (mobile) 400x400 */
.welcome-box {
    width: 400px;
    height: 400px;
}

/* Desktop 700x500 */
@media (min-width: 768px) {
    .welcome-box {
        width: 700px;
        height: 500px;
    }
}