@font-face {
    font-family: "yekanBakh";
    src: url("../fonts/woff2/YekanBakhFaNum-Regular.woff2") format("woff2"),
        url("../fonts/woff/YekanBakhFaNum-Regular.woff") format("woff"),
        url("../fonts/ttf/YekanBakhFaNum-Regular.ttf") format("truetype");
}

@font-face {
    font-family: "yekanBakhSemiBold";
    src: url("../fonts/woff2/YekanBakhFaNum-SemiBold.woff2") format("woff2"),
        url("../fonts/woff/YekanBakhFaNum-SemiBold.woff") format("woff"),
        url("../fonts/ttf/YekanBakhFaNum-SemiBold.ttf") format("truetype");
}

@font-face {
    font-family: "yekanBakhBold";
    src: url("../fonts/woff2/YekanBakhFaNum-Bold.woff2") format("woff2"),
        url("../fonts/woff/YekanBakhFaNum-Bold.woff") format("woff"),
        url("../fonts/ttf/YekanBakhFaNum-Bold.ttf") format("truetype");
}

@font-face {
    font-family: "iranSansWeb";
    src: url("../fonts/woff2/IRANSansWeb\(FaNum\)_Medium.woff2") format("woff2"),
        url("../fonts/woff/IRANSansWeb\(FaNum\)_Medium.woff") format("woff");
}

:root {
    --btn-gradient: linear-gradient(200deg,
            rgba(26, 76, 153, 1) 0%,
            rgba(23, 172, 227, 1) 80%);
    --regular-font: "yekanBakh", sans-serif;
    --semibold-font: "yekanBakhSemiBold", sans-serif;
    --bold-font: "yekanBakhBold", sans-serif;
    --number-font: "iranSansWeb", sans-serif;
    --primary-color: #1a4c99;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    direction: rtl;
    font-family: var(--regular-font);
}

main {
    overflow: hidden;
}

.img {
    overflow: hidden;
}

.img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.semibold {
    font-family: var(--semibold-font);
}

.bold {
    font-family: var(--bold-font);
}

.form-control:focus {
    box-shadow: none;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

.form-control.error {
    border-color: #ef233c;
}

.form-label {
    position: relative;
}

.form-label.required::after {
    content: "*";
    color: #e4003a;
    position: absolute;
    top: -3px;
    left: -14px;
    font-size: 16px;
}

/* start header */
header {
    width: 100%;
    height: 68px;
    padding: 0 3rem;
}

header .container-fluid {
    max-width: 1350px;
    margin: auto;
    height: 100%;
}

header .logo {
    width: 120px;
}

header .logo img {
    width: 100%;
    object-fit: cover;
}

.menu {
    display: flex;
    align-items: center;
    height: 70px;
    padding-top: 12px;
    column-gap: 4rem;
    font-size: 1rem;
}

.link {
    color: #484848;
    transition: all 0.2s ease;
    position: relative;
    cursor: pointer;
    font-size: 16px;
    overflow: hidden;
}

.link:hover,
.link.active {
    color: var(--primary-color);
}

.link::after {
    content: "";
    background-color: var(--primary-color);
    width: 100%;
    height: 2px;
    position: absolute;
    bottom: -10px;
    right: 0;
    transition: all 0.2s;
    transform: scale(0);
}

.link.submenu-toggle::after {
    bottom: 15px;
}

.link:hover::after,
.link.active::after {
    transform: scale(1);
}

.submenu-items .link:hover::after {
    transform: scale(0);
}

.link.submenu-toggle {
    position: relative;
    padding: 1rem 0 1.5rem;
}

.submenu {
    width: 830px;
    position: absolute;
    top: 4.2rem;
    transform: translateX(45%);
    border-radius: 12px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 2px 8px 0px;
    padding: 12px 0;
    color: #323232;
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
    background-color: #fff;
}

.submenu .submenu-items .item ul a {
    color: #484848;
}

.link.submenu-toggle+.submenu {
    transition: all 0.1s ease;
}

.link.submenu-toggle:hover+.submenu,
.submenu:hover {
    opacity: 1;
    pointer-events: auto;
}

.submenu .section {
    width: 50%;
}

.submenu .section>div {
    width: fit-content;
    margin: auto;
}

.submenu .section:first-child {
    border-left: 1px solid rgba(72, 72, 72, 45%);
}

.submenu-items {
    font-size: 14.5px;
    line-height: 2.2rem;
}

.item {
    transition: all 0.2s ease;
}

.submenu-items .link.open img {
    transform: rotate(0);
}

.submenu-items .link {
    font-size: 14px;
    font-family: var(--semibold-font);
    overflow: hidden;
}

.submenu-items .link+ul a {
    font-size: 14px;
}

.submenu-items .link+ul.show {
    display: block;
    opacity: 1;
}

.submenu-items .item ul a {
    color: #484848;
}

.submenu-items .link+ul a:hover {
    color: var(--primary-color);
}

.gradient-btn {
    background: var(--btn-gradient);
    padding: 6px 18px;
    border-radius: 25px;
    font-size: 15px;
}

.navbar-toggle,
.menu-sidebar {
    display: none;
}

#navbar-toggler {
    padding: 7px 8px 4px;
    border-radius: 5px;
}

#navbar-toggler i {
    color: var(--primary-color);
}

.menu-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 60%;
    height: 100vh;
    background-color: #fff;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 2px 8px 0px;
    overflow: scroll;
    transition: all 0.5s ease;
    transform: translateX(100%);
    z-index: 2000;
    scroll-behavior: smooth;
}

.menu-sidebar.show {
    animation: toggleSidebar 0.5s;
    transform: translateX(0%);
}

.menu-sidebar::-webkit-scrollbar {
    display: none;
}

.close-btn {
    background-color: transparent;
}

.close-btn i {
    color: rgb(138, 132, 132);
    position: absolute;
    left: 1.5rem;
    top: 1.4rem;
    font-size: 1.1rem;
}

.menu-title,
.menu-title a {
    font-family: var(--semibold-font);
    color: #323232;
    font-size: 16px;
}

.submenu-items .link.submenu-toggle {
    padding: 0;
}

header .actions {
    column-gap: 2rem;
}

header .actions i {
    color: var(--primary-color);
}

header .actions .action-menu-btn i:first-of-type {
    font-size: 1.25rem;
}

header .action-item:nth-of-type(2) i {
    font-size: 1.3rem;
}

header .action-item:nth-of-type(2) span {
    background-color: #ef233c;
    font-size: 11px;
    border-radius: 5px;
    text-align: center;
    padding: 1px 5px 0;
    font-family: var(--bold-font);
    position: absolute;
    left: -0.4rem;
    bottom: -0.3rem;
}

header .action-item .action-menu {
    border-radius: 12px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 2px 8px 0px;
    position: absolute;
    top: 2.6rem;
    right: -4rem;
    background-color: white;
    z-index: 2000;
    padding: 1rem;
    width: 10rem;
    display: none;
    opacity: 0;
    transition: all 0.5s;
}

header .action-item .action-menu.show {
    opacity: 1;
    display: block;
}

header .action-item .action-menu li {
    margin-bottom: 9px;
}

header .action-item .action-menu a {
    font-size: 14px;
    font-family: var(--semibold-font);
    color: #484848;
    transition: all 0.2s;
}

header .action-item .action-menu a:hover {
    color: var(--primary-color);
}

/* end header */

/* start footer */
footer {
    width: 100%;
    margin-bottom: 0;
    overflow: hidden;
    position: relative;
}

footer .footer-container {
    max-width: 1350px;
    width: 100%;
    margin: auto;
}

footer .body {
    position: absolute;
    display: flex;
    align-items: center;
    top: 16%;
    z-index: 2000;
}

footer .img {
    width: 100%;
    height: 50rem;
    position: relative;
}

footer .img::after {
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-image: url("../images/gradient.png");
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.5;
}

footer .info {
    width: 25rem;
    height: 23rem;
    background-color: #00548c;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    z-index: 1000;
    right: 20%;
}

footer .info ul {
    list-style: none;
    color: #fff;
    padding-left: 1rem;
}

footer .info li {
    margin-bottom: 2rem;
    font-size: 14px;
    font-family: var(--semibold-font);
    display: flex;
    align-items: center;
    column-gap: 0.6rem;
    line-height: 2rem;
}

footer .info li:last-child {
    margin-bottom: 4rem;
}

footer .info li span {
    display: inline-block;
}

footer .info li span:nth-child(2),
footer .info li span:nth-child(3) {
    padding-top: 2px;
}

footer .info .social-media {
    width: 100%;
    position: absolute;
    bottom: 0;
    height: 5.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    column-gap: 2rem;
}

footer .newsletter {
    width: 40rem;
    height: 30rem;
    background-color: #fff;
    position: relative;
    right: 5%;
}

footer .newsletter .content {
    width: 75%;
    height: 100%;
    margin-right: auto;
    background-color: #fff;
}

footer .newsletter .content p {
    width: 89%;
    margin: 0 auto 4rem;
    text-align: justify;
    font-family: var(--semibold-font);
    color: #3f3e3d;
    line-height: 2rem;
    padding: 0 6px;
}

footer .newsletter .content h6 {
    text-align: center;
    font-family: var(--semibold-font);
    color: var(--primary-color);
    margin-bottom: 1.8rem;
}

footer .newsletter .content .form {
    width: 88%;
    margin: auto;
    border: solid 1px rgba(72, 72, 72, 21%);
    padding: 0.5rem;
    border-radius: 40px;
}

footer .newsletter .content .form input {
    width: calc(100% - 115px);
    padding: 0 9px;
    color: #484848;
}

footer .newsletter .content .form input:focus {
    outline: none;
}

footer .newsletter .content .form input::placeholder {
    color: rgba(72, 72, 72, 25%);
    font-size: 14px;
}

footer .newsletter .content .form button {
    width: 110px;
    background-color: var(--primary-color);
    color: #fff;
    padding: 0.6rem 0;
    border-radius: 30px;
    font-size: 14px;
}

footer .copyright {
    background-color: #2b2c3b;
    color: #fff;
    margin-bottom: 0;
    padding: 1.3rem 0;
}

/* end footer */

.toolbox-container {
    max-width: 1350px;
    width: 100%;
    margin: 7rem auto;
    background-image: url("../images/bg1.png");
    background-repeat: no-repeat;
    background-size: 100%;
}

.toolbox-title {
    border-bottom: 1px solid var(--primary-color);
    font-family: var(--semibold-font);
}

.toolbox-title>h5 {
    color: #484848;
    font-size: 20px;
}

.toolbox-title>a {
    color: #4fc2ad;
    border-bottom: 2px solid #4fc2ad;
    font-size: 20px;
}

/* start FAQ */
.faq-container {
    width: 90%;
    margin: auto;
}

.faq {
    width: 90%;
    margin: 1rem auto 8rem;
}

.accordion-item {
    margin-bottom: 1.3rem;
    border: none;
}

.accordion-header {
    border: 1px solid #dddddd;
    border-radius: 10px;
    overflow: hidden;
    padding: 0.6rem;
    box-shadow: 3px 3px 5px #dddddd;
}

.accordion-button {
    font-size: 22px;
    font-family: var(--semibold-font);
    color: #292d32;
    line-height: 2rem;
    border: none;
}

.accordion-button::after,
.accordion-button[aria-expanded="true"]::after {
    content: "";
    background-image: url("../images/arrow-down.svg");
    width: 2rem;
    height: 2.1rem;
    background-size: 100%;
}

.accordion-button[aria-expanded="true"] {
    background-color: transparent;
    border-bottom: none;
    outline: none;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
}

.accordion-collapse .accordion-body {
    margin-top: 1.3rem;
    border-radius: 10px;
    background-color: rgba(79, 194, 173, 24%);
    font-size: 17px;
    line-height: 2rem;
    padding: 1.4rem 2rem;
    font-family: var(--semibold-font);
    color: #292d32;
    border: none;
}

/* end FAQ */

/* start toast */
.toast-box {
    background-color: white;
    width: 30%;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    position: absolute;
    top: 1.5rem;
    right: -100%;
    transition: all 0.5s linear;
    z-index: 5000;
}

.toast-box.show {
    animation: showToast 1.3s linear;
    right: 1.3rem;
}

.toast-box.hide {
    animation: hideToast 0.8s linear;
    right: -100%;
}

.toast-box .body {
    width: 100%;
}

.toast-box .close {
    position: absolute;
    color: #adb5bd;
    left: 1rem;
    top: 1rem;
    z-index: 5;
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.toast-box .content {
    padding: 1.5rem;
    display: flex;
    column-gap: 1rem;
}

.toast-box .content i {
    font-size: 1.6rem;
}

.toast-box h6 {
    font-family: var(--bold-font);
    padding-bottom: 5px;
}

.toast-box .content i.success {
    color: #73ec8b;
}

.toast-box .progress-bar.success {
    background-color: #73ec8b;
}

.toast-box h6.success {
    color: #73ec8b;
}

.toast-box .content i.error {
    color: #e4003a;
}

.toast-box .progress-bar.error {
    background-color: #e4003a;
}

.toast-box h6.error {
    color: #e4003a;
}

.toast-box p {
    color: #495057;
    font-size: 14px;
    margin: 3px;
}

.toast-box .progress-bar {
    position: absolute;
    width: 100%;
    height: 5px;
    bottom: 0;
    right: 0;
    transition: width 0.2s ease;
}

.toast-box .progress-bar.end-time {
    animation: endTime 4s linear;
    width: 0%;
}

/* start comment-container */
.comment-container {
    width: 80%;
    margin: 0 auto 5rem;
}

.comment-item {
    width: 100%;
    border: 1px solid #cbcbcb;
    border-radius: 10px;
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.08);
    margin-bottom: 1.1rem;
    padding: 1rem;
    display: flex;
    flex-wrap: wrap;
}

.comment-item>.col-1 {
    width: 60px;
}

.comment-item>.col-11 {
    width: calc(100% - 60px);
    padding: 0.5rem 0.8rem;
}

.comment-item>.col-1 .img {
    width: 55px;
    height: 55px;
    border-radius: 50%;
}

.comment-item>.col-1 .img img {
    object-fit: cover;
}

.comment-item>.col-11>div:first-child {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.comment-item .date {
    color: rgba(134, 134, 134, 0.8);
    font-size: 13px;
    font-family: var(--number-font);
}

.comment-item .date span {
    display: inline-block;
    margin-right: 5px;
}

.comment-item>.col-11>h6 {
    color: #484848;
    margin-bottom: 1.5rem;
    font-family: var(--semibold-font);
    font-size: 15px;
}

.comment-item p {
    line-height: 2rem;
    color: #484848;
    margin-bottom: 1rem;
}

.comment-item>.col-11>div:nth-of-type(2),
.comment-item>.col-12 .reply-comment .body div:last-child {
    display: flex;
    align-items: center;
    column-gap: 0.8rem;
}

.comment-item form {
    column-gap: 0.8rem;
}

.comment-item button {
    border: none;
    background-color: #fff;
}

.comment-item .reply-btn {
    color: #b3b3b3;
    border: 1px solid #d4d4d5;
    border-radius: 5px;
    font-size: 12px;
    font-family: var(--semibold-font);
    padding: 0.2rem 1.5rem;
}

.comment-item .dislike,
.comment-item .like {
    display: flex;
    align-items: center;
    column-gap: 0.7rem;
}

.comment-item .line {
    width: 100%;
    display: inline-block;
    margin-top: 2rem;
    position: relative;
    left: 3%;
}

.comment-item .reply-comment {
    padding: 0.8rem 2rem 0.8rem 0;
    border-top: 1px solid #b3b3b3;
}

.comment-item .unit {
    width: fit-content;
    background-color: #75bf7a;
    color: #fff;
    font-size: 12px;
    font-family: var(--semibold-font);
    border-radius: 3px;
    padding: 7px 16px;
}

.comment-item .reply-comment .content {
    padding: 1rem;
}

.comment-item>.col-12 .reply-comment .content .col-1 .img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin: auto;
}

.comment-item>.col-12 .reply-comment .content .col-1 h6 {
    text-align: center;
    margin-top: 0.3rem;
    font-size: 12px;
    color: #898989;
    font-family: var(--semibold-font);
    line-height: 2rem;
}

.comment-item>.col-12 .reply-comment .content .col-1 .img img {
    object-fit: cover;
}

.comment-item>.col-12 .reply-comment .content .col-11 {
    width: 100%;
    height: 100%;
}

.comment-item>.col-12 .reply-comment .content .col-11 p {
    display: flex;
    align-items: start;
}

.comment-item>.col-12 .reply-comment .content .col-11 img {
    display: block;
    margin-left: 1rem;
    padding-top: 5px;
}

.comment-form {
    width: 100%;
    border: 1px solid #cbcbcb;
    border-radius: 10px;
    box-shadow: 0 3px 4px rgba(0, 0, 0, 0.1);
    margin: 4rem 0;
    padding: 1.8rem;
    background-color: #061732;
}

.comment-form h6 {
    margin-bottom: 2rem;
    font-family: var(--semibold-font);
    color: #fff;
}

.comment-form>div {
    margin-bottom: 1.4rem;
}

.comment-form .form-control {
    border: none;
    background-color: #f6f6f6;
    padding: 0.8rem 1rem;
    color: #3f3e3d;
    font-size: 14px;
    font-family: var(--semibold-font);
}

.comment-form button {
    border: none;
    background-color: #4fc2ad;
    color: #fff;
    border-radius: 35px;
    padding: 0.5rem 3rem;
    box-shadow: 4px 5px 2px rgba(0, 0, 0, 0.1);
}

.register-section {
    max-width: 1350px;
    width: 100%;
    margin-bottom: 5rem;
    margin-top: 5rem;
    border-radius: 12px;
    overflow: hidden;
}

.register-section .img {
    width: 100%;
    height: 18rem;
}

.register-section p {
    width: 100%;
    text-align: center;
    color: #fff;
    position: absolute;
    top: 30%;
    font-size: 28px;
    padding: 0 1rem;
    line-height: 2.3rem;
}

.register-section .link {
    width: 100%;
    position: absolute;
    bottom: 18%;
}

.register-section a {
    background-color: #4fc2ad;
    color: #fff;
    padding: 0.8rem 4.5rem;
    font-size: 20px;
    border-radius: 6px;
    font-family: var(--semibold-font);
}

/* end comment-container */

/* start popup */
#popup {
    z-index: 10000;
}

#popup .modal-content {
    padding: .8rem;
}

#popup h3 {
    color: var(--primary-color);
    font-family: var(--semibold-font);
    font-size: 20px;
    text-align: center;
    margin-bottom: 1rem;
}

#popup h6 {
    color: #51C2AD;
    font-family: var(--semibold-font);
    font-size: 16px;
    text-align: center;
    margin-bottom: 2rem;
}

#popup .img {
    width: 100%;
    margin: auto;
}

#popup img {
    width: 100%;
    object-fit: cover;
}

#popup button {
    display: block;
    font-size: 11px;
    margin-right: auto;
}

#popup button:focus {
    box-shadow: none;
}

/* end popup */

/* start loader */
.loader-container {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader {
    width: 45px;
    aspect-ratio: 2;
    --_g: no-repeat radial-gradient(circle closest-side, #2778c4 90%, #fff);
    background:
        var(--_g) 0% 50%,
        var(--_g) 50% 50%,
        var(--_g) 100% 50%;
    background-size: calc(100%/3) 50%;
    animation: l3 1s infinite linear;
}

@keyframes l3 {
    20% {
        background-position: 0% 0%, 50% 50%, 100% 50%
    }

    40% {
        background-position: 0% 100%, 50% 0%, 100% 50%
    }

    60% {
        background-position: 0% 50%, 50% 100%, 100% 0%
    }

    80% {
        background-position: 0% 50%, 50% 50%, 100% 100%
    }
}

@keyframes showToast {
    0% {
        right: -100%;
    }

    100% {
        right: 1.3rem;
    }
}

@keyframes hideToast {
    0% {
        right: 1.3rem;
    }

    100% {
        right: -100%;
    }
}

@keyframes endTime {
    0% {
        width: 100%;
    }

    100% {
        width: 0%;
    }
}

/* end toast */

@keyframes toggleSidebar {
    0% {
        transform: translateX(100%);
    }

    100% {
        transform: translateX(0%);
    }
}

@media screen and (max-width: 1050px) {
    .register-section p {
        font-size: 30px;
    }

    .register-section a {
        font-size: 17px;
    }

    nav .menu,
    header .container-fluid .login-section {
        display: none;
    }

    .link {
        font-family: var(--semibold-font);
    }

    .navbar-toggle,
    .menu-sidebar {
        display: block;
    }

    .menu-sidebar .submenu {
        opacity: 1;
        position: initial;
        width: 100%;
        transform: translateX(0);
        box-shadow: none;
        display: none;
    }

    .menu-sidebar .submenu.show {
        display: block;
    }

    .menu-sidebar .submenu .section {
        width: 100%;
    }

    .menu-sidebar .login-section {
        position: relative;
    }

    footer .img {
        display: none;
    }

    footer .body {
        background-color: var(--primary-color);
        height: auto;
        position: initial;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    footer .footer-container .body .info {
        width: 100%;
        position: relative;
        background-color: transparent;
        right: 0;
    }

    footer .info li {
        font-size: 16px;
    }

    footer .newsletter {
        height: auto;
        width: 100%;
        background-color: var(--primary-color);
        padding-bottom: 4rem;
        padding-top: 0;
        position: initial;
        right: 0;
    }

    footer .newsletter .content {
        width: 100%;
        margin: auto;
        background-color: var(--primary-color);
        height: auto;
    }

    footer .newsletter .content p {
        color: #fff;
    }

    footer .newsletter .content h6 {
        color: #fff;
    }

    footer .newsletter .content .form {
        background-color: #fff;
        overflow: hidden;
    }

    .accordion-button {
        font-size: 19px;
    }

    .accordion-button::after,
    .accordion-button[aria-expanded="true"]::after {
        width: 1.7rem;
        height: 1.9rem;
    }

    .accordion-collapse .accordion-body {
        font-size: 15px;
    }

    .toolbox-title>h5,
    .toolbox-title>a {
        font-size: 18px;
    }
}

@media screen and (max-width: 768px) {
    .register-section p {
        font-size: 25px;
    }

    .register-section a {
        font-size: 15px;
    }

    header {
        padding: 0 1rem;
    }

    .toast-box {
        width: 50%;
    }

    .menu-sidebar {
        width: 80%;
    }

    .link {
        font-size: 15px;
    }

    .submenu a {
        font-size: 13px;
    }

    .menu-title {
        font-size: 15px;
    }

    .menu-title a {
        font-size: 15px;
    }

    footer .info li {
        font-size: 14px;
    }

    footer .newsletter .content p {
        font-size: 14px;
    }

    .accordion-button {
        font-size: 17px;
        padding: 0.5rem;
    }

    .accordion-button::after,
    .accordion-button[aria-expanded="true"]::after {
        width: 1.4rem;
        height: 1.6rem;
    }

    .accordion-collapse .accordion-body {
        font-size: 15px;
        padding: 1.2rem 1.3rem;
    }

    .toolbox-title>h5,
    .toolbox-title>a {
        font-size: 1rem;
    }

    .comment-container {
        width: 90%;
    }

    .comment-item>.col-1 {
        width: 3rem;
    }

    .comment-item>.col-11 {
        width: calc(100% - 3rem);
    }

    .comment-item>.col-1 .img {
        width: 3rem;
        height: 3rem;
    }

    .comment-item>.col-11>h6,
    .comment-item>.col-11 p,
    .comment-item .reply-comment .body .content .col-11 p {
        font-size: 14px;
    }

    .comment-item .reply-comment {
        padding: 1rem 0;
    }

    .comment-item .reply-comment .body .content {
        padding: 1rem 0;
    }

    .comment-item .reply-comment .body .content .col-1 {
        width: 5rem;
    }

    .comment-item .reply-comment .body .content .col-11 {
        width: calc(100% - 5rem);
        align-items: start;
        padding: 0;
        margin: 0;
    }

    .comment-item .reply-comment .body .content .col-1 .img {
        width: 2rem;
        height: 2rem;
    }
}

@media screen and (max-width: 480px) {
    .register-section p {
        font-size: 20px;
    }

    .register-section a {
        font-size: 14px;
    }

    .comment-item>.col-1 .img {
        width: 2.5rem;
        height: 2.5rem;
    }

    .comment-item>.col-11>div:nth-of-type(2),
    .comment-item>.col-11>div:nth-of-type(1),
    .comment-item .reply-comment .body div:nth-of-type(3) {
        flex-wrap: wrap;
        align-items: center;
        row-gap: 0.5rem;
    }

    .menu-sidebar {
        width: 90%;
    }

    footer .copyright {
        padding: 1.3rem 3rem;
        font-size: 14px;
    }

    .accordion-button {
        font-size: 16px;
    }

    .accordion-button::after,
    .accordion-button[aria-expanded="true"]::after {
        width: 1.3rem;
        height: 1.5rem;
    }

    .accordion-collapse .accordion-body {
        font-size: 14px;
    }

    .toolbox-title>h5,
    .toolbox-title>a {
        font-size: 16px;
    }
}