/* ====== PACKAGE DETAIL ====== */
.package-detail {
    padding: 20px 16px;
    background: #fff;
}

.package-detail h2 {
    text-align: center;
    font-size: 26px;
    font-weight: 700;
    margin: 15px 0 10px;
    position: relative;
}

.package-detail h2::after {
    content: "";
    width: 60px;
    height: 4px;
    background: #2f80ed;
    display: block;
    margin: 8px auto 0;
    border-radius: 3px;
}

.package-detail .desc {
    text-align: center;
    color: #555;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.package-detail .desc p {
    margin-bottom: 10px;
}

/* ====== BOX CHUNG ====== */
.info-boxes {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* ====== BOX GIÁ ====== */
.price-box {
    background: #f3f4f6;
    border-radius: 12px;
    padding: 18px;
    text-align: center;
}

.price-box h3 {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 600;
}

.price-wrap {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 6px;
}

.price-wrap .price {
    font-size: 36px;
    font-weight: 700;
    color: #1f78d1;
}

.price-wrap .unit {
    font-size: 14px;
    color: #666;
}

/* ====== BOX TỐC ĐỘ ====== */
.info-item {
    background: #f3f4f6;
    border-radius: 12px;
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-item img {
    width: 60px;
}

.div-right {
    flex: 1;
}

.div-label {
    font-size: 14px;
    color: #444;
    margin-bottom: 6px;
}

._bold {
    font-weight: 700;
}

.num-speed {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.speed {
    font-size: 40px;
    font-weight: 700;
    color: #f26522;
    line-height: 1;
}

._num {
    font-weight: 600;
}

/* ====== NÚT ĐĂNG KÝ ====== */
.buy-btn {
    width: 100%;
    margin-top: 20px;
    padding: 14px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(90deg, #1f78d1, #005bea);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

.buy-btn:hover {
    opacity: 0.9;
}

/* ====== ẨN ẢNH PC - HIỆN ẢNH MOBILE ====== */
.img-pc {
    display: none;
}

.img-m {
    width: 100%;
    border-radius: 12px;
}

/* ====== RESPONSIVE PC ====== */
@media (min-width: 768px) {
    .img-pc {
        display: block;
        width: 100%;
        border-radius: 12px;
    }

    .img-m {
        display: none;
    }

    .info-boxes {
        flex-direction: row;
    }

    .info-item,
    .price-box {
        flex: 1;
    }
}