/* ========================================
   ROOT VARIABLES
   ======================================== */
:root {
    --primary-color: #E31937;
}

/* ========================================
   GENERAL STYLES
   ======================================== */
h2 {
    font-size: 40px;
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 800;
    line-height: 48px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

h3 {
    font-size: 22px;
}

section {
    clear: both;
    width: 100%;
}

table, td, th {
    text-align: center;
}

table p:last-child {
    margin-bottom: 0;
}

blockquote {
    padding: 0 30px;
    margin-top: 30px;
    font-weight: normal;
    border-left: none;
}

iframe {
    border-radius: 12px;
}

.hidden {
    display: none;
}

/* ========================================
   CUSTOM LIST STYLES
   ======================================== */
.custom-list-style ol {
    list-style: none;
    counter-reset: li;
    position: relative;
    margin-top: 15px;
    margin-bottom: 0;
}

.custom-list-style > ol > li {
    counter-increment: li;
    margin-bottom: 15px;
}

.custom-list-style > ol > li::before {
    content: counter(li);
    color: white;
    display: inline-block;
    width: 2em;
    margin-left: -1.5em;
    margin-right: 0.5em;
    text-align: center;
    z-index: 99;
    position: relative;
    background-color: #e61c39;
    border-radius: 50%;
    height: 32px;
    line-height: 30px;
}

.cau-tao-tam-op .custom-list-style > ol > li:nth-child(2)::before {
    background-color: #eb1937;
}

.custom-list-style ol ul,
.custom-list-style > ol > li > ul {
    margin-left: 18px;
}

.custom-list-style ul {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-around;
    align-items: center;
    background: #f3f3f3;
    border-radius: 8px;
    padding: 15px 5px;
}

/* ========================================
   TAB SYSTEM
   ======================================== */
.tab-container {
    width: 100%;
    border: none;
    background-color: #fff;
}

.tabs {
    display: flex;
    overflow: auto;
    position: relative;
    justify-content: space-evenly;
    margin-top: 23px;
    flex-direction: row;
    flex-wrap: nowrap;
    align-content: center;
    width: 100%;
    margin: 0 auto;
}

.tabs button {
    width: 100%;
    padding: 0;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    background-color: transparent;
    color: #333;
    z-index: 99;
    padding: 0 10px;
    font-size: 16px;
}

.tabs button.active,
.tabs button:hover {
    opacity: 1;
}

.tabs > .active {
    font-style: normal;
    font-weight: 700;
    font-size: 16px;
    line-height: 25px;
    padding: 15px 30px;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    transition: 0.3s ease-in-out;
    color: #FFFFFF;
    background: var(--primary-color);
}

.tab-content {
    padding: 0;
}

.tab-content p {
    text-align: justify;
}

.tab-content:not(.hidden) {
    display: block;
}

/* Desktop Tab System */
.tab-container-desktop {
    width: 100%;
    margin: 0 auto;
}

.tabs-level-1 {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.tabs-level-2 {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    border-bottom: 1px solid #ddd;
}

.tab {
    background: #f1f1f1;
    border: 1px solid #ddd;
    padding: 10px 15px;
    margin-right: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.tab.active {
    background: #fff;
    border-bottom-color: #fff;
}

.tab-level-2 {
    box-shadow: none !important;
}

.tab-content-level-1 {
    width: 100%;
    padding: 0;
    margin-top: -1px;
}

.tab-content-level-2 {
    padding: 20px;
    border: 1px solid #ddd;
    margin-top: -1px;
}

.tab-content-level-2 img {
    max-width: 100%;
    height: auto;
}

.no-tabs-message {
    padding: 20px;
    background: #f9f9f9;
    text-align: center;
    border: 1px dashed #ddd;
}

/* Mobile Tab Container */
.tab-container-mobile {
    display: none;
}

/* ========================================
   SECTIONS - GENERAL
   ======================================== */
.section.prod_1 {
    margin-top: 45px;
}

.section_heading .sec_title:before {
    background: transparent;
}

.section_heading h2,
.mau-tam-op .sec_title h2 {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 800;
    font-size: 40px;
    line-height: 48px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.section_heading > .sec_title h2 {
    margin-bottom: 10px !important;
}

.mau-tam-op .sec_title p {
    text-align: center;
    font-weight: normal;
    font-size: 16px;
    color: #333;
}

/* ========================================
   SECTION SPECIFIC STYLES
   ======================================== */
/* Prod 2 */
.prod_2 {
    background-color: #fff;
}

.prod_2:before {
    float: left;
    width: 11%;
}

.prod_2:after {
    position: absolute;
    right: 0;
    top: 0;
    content: '';
    float: right;
    width: 11%;
    height: 100%;
}

.prod_2 .section_heading {
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    justify-content: flex-start;
    align-items: flex-start;
}

.prod_2 .section_heading .sec_title {
    padding-right: 0;
    width: 100%;
    text-align: center;
    margin-bottom: 51px;
}

.prod_2 .section_heading .sec_title:before {
    opacity: 0;
    display: none;
}

.prod_2 .sec_des {
    padding-right: 15px;
}

.prod_2 .sec_video {
    padding-left: 0;
    margin-top: 0;
}

.prod_2 .sec_video iframe {
    height: 100%;
}

/* Prod 3 */
.prod_3 .section_heading .sec_title:before,
.prod_4 .section_heading .sec_title:before {
    background: transparent;
}

/* Prod 5 */
.prod_5 {
    padding: 0;
    padding-bottom: 19px;
    background: #ffffff;
}

.prod_5:before,
.prod_5 .img:before {
    background-image: none;
}

.prod_5 .section_heading {
    margin-bottom: 30px;
}

.prod_5 .section_heading:before {
    background: transparent;
}

.prod_5 .item {
    overflow: inherit;
    margin-bottom: 16px;
    border: none;
}

/* Prod 6 */
.prod_6 .tab {
    opacity: 1;
    width: auto;
    padding: 10px 20px;
    cursor: pointer;
    text-transform: uppercase;
    color: #000;
    background: #E0E0E0;
    font-weight: 600;
    border-radius: 40px;
}

.prod_6 .tab.active {
    background-color: #e31937 !important;
    font-style: normal;
    font-size: 13px;
    line-height: 23px;
    padding: 7px 30px;
    color: #FFFFFF;
    font-weight: 700;
}

.prod_6 .tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
}

/* Prod 9 */
.prod_9 {
    background-image: url(https://kosmos.vn/wp-content/uploads/2024/10/viengo-5.png);
}

.prod_9:after {
    background-image: url(https://kosmos.vn/wp-content/uploads/2024/10/viengo-5.png);
    content: "";
}

/* Home 5 */
.home_5 {
    padding-top: 50px;
}

.home_5 h2 {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 800;
    font-size: 40px;
    line-height: 48px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.home_5 .home_count .item .title {
    font-size: 22px;
}

/* ========================================
   CAU TAO TAM OP
   ======================================== */
.cau-tao-tam-op .grid-container {
    box-shadow: 0 5px 8px -2px rgb(73 73 73 / 78%);
}

.grid-cau-tao {
    display: flex;
}

.grid-cau-tao .grid-100 {
    padding: 15px;
}

.col-container {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-content: center;
    justify-content: center;
    align-items: center;
}

/* ========================================
   SO SANH SECTION
   ======================================== */
.so-sanh-section table tbody tr:nth-child(2n+1) {
    background: #FBF0E9;
}

.so-sanh-section table tbody tr:first-child td,
.section_so_sanh table tr:first-child {
    background: rgb(227, 25, 55) !important;
    color: #fff;
}

/* ========================================
   BAO GIA SECTION
   ======================================== */
.bao-gia .title-bao-gia {
    padding: 15px 0;
    border-radius: 8px;
    padding-bottom: 0;
}

.bao-gia .title-bao-gia h2,
.bao-gia .title-bao-gia h2 span {
    background: #e31937 !important;
    color: #fff !important;
}

.bao-gia .title-bao-gia p {
    margin-bottom: 0;
}

.bao-gia .bao-gia-content {
    background: #e31937 !important;
    color: #fff !important;
    padding: 23px 30px;
    border-radius: 8px;
    display: inline-block;
    text-align: center;
}

.table-bao-gia {
    box-shadow: 0 5px 8px -2px rgb(73 73 73 / 78%);
    margin-top: -94px;
    padding-top: 94px;
    border-radius: 40px 40px 8px 8px;
    margin-bottom: 10px;
    background: #ebebeb;
}

.table-bao-gia table tbody > tr:nth-child(2n+1) {
    background: unset !important;
}

.table-bao-gia table tbody tr:first-child td {
    background: #e31937;
    padding: 15px 10px;
}

.bao-gia .table-bao-gia table {
    margin-top: 9px;
}

td[colspan="3"] {
    background: rgb(227, 25, 55) !important;
    color: #fff;
}

/* ========================================
   TIEU CHUAN KY THUAT
   ======================================== */
.tieu-chuan-ky-thuat table tbody tr:first-child {
    background: #e31937;
    color: #fff;
}

.tieuchuan-tabs .tab {
    opacity: 1;
    width: auto;
    padding: 10px 20px;
    cursor: pointer;
    text-transform: uppercase;
    color: #000;
    background: #E0E0E0;
    font-weight: 600;
    border-radius: 40px;
}

.tieuchuan-tabs .tab.active {
    background-color: #e31937 !important;
    font-size: 13px;
    line-height: 23px;
    padding: 7px 30px;
    color: #FFFFFF;
    font-weight: 700;
}

.tieuchuan-tabs .tabs {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.tieuchuan-tabs .tab-content.active {
    display: block !important;
}

.tieuchuan-tabs table tbody tr:nth-child(2n) {
    background: #FBF0E9;
}

.tieuchuan-tabs table tbody tr:nth-child(even):not(:first-child) td:nth-child(n+2) {
    background: #FBF0E9;
}

.tieuchuan-tabs table tbody tr:nth-child(2) {
    background: #fff;
}

.table-responsive table {
    width: 100%;
    border-collapse: collapse;
}

/* ========================================
   MAU TAM OP SECTION
   ======================================== */
.mau-tam-op {
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    position: relative;
    padding-top: 20px;
}

.mau-tam-op .tab-container {
    width: 100%;
    border: none;
    background-color: #fff;
}

.mau-tam-op .tabs {
    border: 1px solid #fff;
    margin-bottom: 0;
        display: flex;
    overflow: auto;
    position: relative;
    margin-bottom: 0;
    flex-direction: row;
    flex-wrap: nowrap;

}

.mau-tam-op .tabs button {
    width: 100%;
    border: none;
    cursor: pointer;
    background-color: #B6B8BA;
    color: #fff;
    z-index: 99;
    padding: 10px 0;
    margin-right: 1px;
}

.mau-tam-op .tabs button p {
    margin-bottom: 0;
}

.mau-tam-op .tabs button img {
    text-align: center;
    margin: 0 auto;
}

.mau-tam-op .tabs button:hover {
    opacity: 1;
}

.mau-tam-op .tab.active {
    background-color: #e61c39;
    color: #fff;
}

.mau-tam-op .tab-content img {
    border-radius: 8px;
    max-width: 100%;
}

/* ========================================
   DAC DIEM NOI BAT
   ======================================== */
#dac-diem-noi-bat .dac-diem-noi-bat .grid-25 {
    width: 22%;
    box-shadow: 0 5px 8px -2px rgb(73 73 73 / 78%);
    border-radius: 23px;
    text-align: center;
    margin-right: 47px;
    position: relative;
    margin-bottom: 79px;
    padding: 54px 10px 15px 10px;
    min-height: 185px;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.dac-diem-noi-bat .grid-25:nth-child(1),
.dac-diem-noi-bat .grid-25:nth-child(5) {
    border: 2.5px solid #0065b3;
}

.dac-diem-noi-bat .grid-25:nth-child(2),
.dac-diem-noi-bat .grid-25:nth-child(6) {
    border: 2.5px solid #00a651;
}

.dac-diem-noi-bat .grid-25:nth-child(3),
.dac-diem-noi-bat .grid-25:nth-child(7) {
    border: 2.5px solid #e51c39;
}

.dac-diem-noi-bat .grid-25:nth-child(4),
.dac-diem-noi-bat .grid-25:nth-child(8) {
    border: 2.5px solid #6d6e71;
}

.dac-diem-noi-bat .grid-25:last-child {
    margin-right: 0;
}

#dac-diem-noi-bat .dac-diem-noi-bat .grid-25:nth-child(4n) {
    margin-right: 0;
}

#dac-diem-noi-bat .icon-dacdiem {
    position: absolute;
    top: -67px;
    border: none;
    padding-bottom: 32px;
    padding-top: 16px;
    box-shadow: none;
    border-radius: 50%;
    height: 120px;
    width: 120px;
    overflow: hidden;
    z-index: 9;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    left: unset;
}

.dac-diem-noi-bat .icon-dacdiem img {
    height: 120px;
    width: 120px;
    position: absolute;
    top: 0;
    padding: 10px;
}

.dac-diem-noi-bat .icon-title {
    padding: 15px 0;
    font-weight: bold;
}

/* ========================================
   HUONG DAN SU DUNG
   ======================================== */
#huong-dan-su-dung .dac-diem-noi-bat .grid-25 {
    width: 16%;
    border-radius: 23px;
    text-align: center;
    margin-right: 47px;
    position: relative;
    margin-bottom: 79px;
    padding: 54px 10px 37px 10px;
    box-shadow: 0 5px 8px -2px rgb(73 73 73 / 78%);
    min-height: 198px;
}

#huong-dan-su-dung .icon-dacdiem {
    position: absolute;
    top: -67px;
    border: none;
    padding-bottom: 32px;
    padding-top: 16px;
    box-shadow: none;
    border-radius: 50%;
    left: 18%;
    height: 120px;
    width: 120px;
    overflow: hidden;
    z-index: 9;
}

#huong-dan-su-dung .dac-diem-noi-bat .grid-25:nth-child(1) {
    border: 2.5px solid #ffd001;
}

#huong-dan-su-dung .dac-diem-noi-bat .grid-25:nth-child(2),
#huong-dan-su-dung .dac-diem-noi-bat .grid-25:nth-child(6) {
    border: 2.5px solid #0065ae;
}

#huong-dan-su-dung .dac-diem-noi-bat .grid-25:nth-child(5) {
    border: 2.5px solid #00a251;
}

/* ========================================
   HUONG DAN THI CONG
   ======================================== */
#huongdan-thicong {
    border-radius: 12px;
    padding: 25px 15px;
    background-repeat: no-repeat;
    background-size: cover;
}

#huongdan-thicong .grid-container {
    z-index: 9;
    position: relative;
}

#huongdan-thicong .section_heading {
    margin-bottom: 23px;
}

.huongdan-thicong-content ul {
    margin-left: 20px;
    margin-bottom: 5px;
}

.huongdan-thicong-content p {
    margin-bottom: 15px;
}

.huongdan-thicong-content li {
    list-style-type: disc;
}

#huongdan-thicong .news_link,
.dieu-kien-bao-hanh .view_more_btn {
    text-align: center;
    margin-right: 10px;
}

#huongdan-thicong .news_link a,
.dieu-kien-bao-hanh .view_more_btn a {
    padding: 7px 30px;
    font-family: 'Roboto';
    font-style: normal;
    font-size: 16px;
    text-transform: uppercase;
    color: #fff;
    border-radius: 100px;
    transition: 0.3s ease-in-out;
    background: var(--primary-color);
    position: relative;
    z-index: 9;
    margin-top: 0;
}

.huongdan-thicong-buttons {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-content: center;
    justify-content: center;
    margin-top: 20px;
}

/* ========================================
   BUTTON HUONG DAN
   ======================================== */
.btn-huong-dan {
    display: flex;
    text-align: center;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
}

.btn-huong-dan .button-group {
    font-family: 'Roboto';
    font-style: normal;
    font-size: 16px;
    text-transform: uppercase;
    color: #fff;
    border-radius: 42px;
    background: var(--primary-color);
    position: relative;
    z-index: 9;
    margin: 15px;
    display: block;
    text-align: left;
    padding: 15px 30px;
}

.btn-huong-dan .sub-buttons ul {
    display: block;
    margin-left: 17px;
}

.btn-huong-dan .sub-buttons ul a {
    color: #fff;
    text-transform: none;
}

.btn-huong-dan .sub-buttons {
    margin-top: 10px;
}

.btn-huong-dan .sub-button-item {
    margin: 5px 0;
    list-style: disc;
}

.btn-huong-dan .sub-button-item a {
    text-decoration: none;
}


    
.sub-buttons ul {
    display: flex;
    text-align: center;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
}


.sub-buttons{
    padding: 25px 0 30px;
    padding-top: 47px;
    background-image: url(https://kosmos.vn/wp-content/uploads/2025/01/nengo-2.png);
    background-repeat: no-repeat;
    background-size: cover;
}

.sub-button-item {
    list-style: disc;
    font-family: 'Roboto';
    font-style: normal;
    font-size: 16px;
    text-transform: uppercase;
    color: #fff;
    border-radius: 42px;
    background: var(--primary-color);
    position: relative;
    z-index: 9;
    margin: 15px;
    display: block;
    text-align: left;
    padding: 15px 30px;
}

.sub-button-item a {
    color: #fff;
}


/* ========================================
   DIEU KIEN BAO HANH
   ======================================== */
.dieu-kien-bao-hanh {
    background: #f2f2f2;
}

.dieu-kien-bao-hanh .item_title {
    background: var(--primary-color);
    float: left;
    color: #fff;
    font-size: 17px;
    padding: 1px 10px;
    margin: 0 0 11px 21px;
    position: relative;
}

.dieu-kien-bao-hanh .item_title h3 {
    padding: 0 0 0 8px;
    margin: 0;
    color: #fff;
    font-size: 19px;
}

.dieu-kien-bao-hanh .item_title h3:before {
    content: "";
    height: 36px;
    width: 36px;
    position: absolute;
    top: -5px;
    background-size: 23px;
    background-repeat: no-repeat;
    left: -25px;
    border: 1px solid #ccc;
    border-radius: 99px;
    background-color: #fff;
    background-position: center;
}

.dieu-kien-bao-hanh .item:first-child .item_title h3:before {
    background-image: url(data:image/png;base64,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);
}

.dieu-kien-bao-hanh .item:nth-child(2) .item_title h3:before {
    background-image: url(data:image/png;base64,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);
}

}

.dieu-kien-bao-hanh ul {
    flex-direction: column;
    clear: both;
    margin-left: 32px;
    padding: 10px 0;
}

.dieu-kien-bao-hanh ul li {
    display: block;
    padding-bottom: 0;
    font-weight: normal;
}

.dieu-kien-bao-hanh p {
    margin-bottom: 4px;
}

/* ========================================
   SECTION UNG DUNG
   ======================================== */
.section-ung-dung .tax_container .item {
    position: relative;
    width: 49.33%;
    margin-bottom: 15px;
    padding: 0 30px;
    max-height: unset;
}

.section-ung-dung .tax_container .item .tax_name_wrap {
    position: absolute;
    bottom: 0;
    left: 0;
    width: auto;
    background: var(--primary-color);
    display: flex;
    justify-content: flex-start;
    padding: 4px 13px 2px 24px;
    align-items: center;
    flex-wrap: nowrap;
}

.section-ung-dung .tax_container .item:hover img {
    transform: unset;
}

.section-ung-dung .tax_container .tax_name {
    line-height: 27px;
}

.tax_container-gallery .buttons button {
    display: none;
}

/* Ung Dung Grid */
.ung-dung-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.ung-dung-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 7px -3px rgb(73 73 73 / 78%);
}

.ung-dung-image img {
    width: 100%;
    height: auto;
    display: block;
}

.ung-dung-info {
    padding: 15px;
}

.ung-dung-info h3 {
    margin: 0 0 10px;
    font-size: 16px;
    text-align: center;
}

.ung-dung-info p {
    margin: 0;
    font-size: 14px;
    color: #666;
}

/* ========================================
   QUOTE CAROUSEL / TESTIMONIALS
   ======================================== */
#quote-carousel .avatar img {
    width: 125px;
    display: block;
    clear: both;
    margin: 0 auto;
    border-radius: 99px;
    border: 1px solid #e31937;
    float: right;
    margin-right: 19px;
}

#quote-carousel .grid-container {
    padding-left: 0;
    padding-right: 0;
    background: #fcf0e9;
    border-radius: 12px;
    display: flex;
    flex-direction: row;
    align-content: center;
    align-items: center;
}

#quote-carousel .col-right img {
    border-radius: 0 12px 12px 0;
}

#quote-carousel .grid-50 {
    padding-right: 0;
}

#quote-carousel {
    border-radius: 12px;
    padding: 0;
    border: 1px solid transparent;
}

#quote-carousel button.slick-arrow {
    opacity: 1;
}

#quote-carousel .slick-prev {
    left: -46px;
    transform: rotate(180deg);
}

#quote-carousel .slick-next {
    right: -46px;
}

#quote-carousel .slick-arrow {
    top: 50%;
    height: 29px;
    width: 44px;
    margin-top: -13px;
    position: absolute;
    font-size: 0;
    cursor: pointer;
    background-color: transparent;
    border: none;
    background-image: url(https://kosmos.vn/wp-content/uploads/2024/10/right-arrow.png);
    background-repeat: no-repeat;
    background-size: contain;
}

#quote-carousel .slick-prev:before,
#quote-carousel .slick-next:before {
    opacity: 0;
}

.avatar-reviewer {
    padding-top: 30px;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: center;
    justify-content: center;
    align-items: center;
}

.reviewer {
    width: 100%;
    float: left;
    padding-top: 10px;
    font-weight: bold;
}

.danhgiakh{
    padding-top: 15px;
}

/* ========================================
   PRODUCTS & FILTERING
   ======================================== */
.section-loc-san-pham .main-content {
    display: flex;
    gap: 0;
    padding-left: 0;
}

.section-loc-san-pham .grid-25 {
    width: 25%;
    flex-shrink: 0;
}

.section-loc-san-pham .grid-75 {
    width: 75%;
}

.section-loc-san-pham #sidebar {
    width: 100%;
}

#sidebar {
    position: sticky;
    top: 0;
    overflow-y: auto;
}

#sidebar::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    background-color: #F5F5F5;
}

#sidebar::-webkit-scrollbar {
    width: 2px;
    background-color: #F5F5F5;
}

#sidebar::-webkit-scrollbar-thumb {
    background-color: #E31937;
}

#sidebar .box {
    margin-bottom: 5px;
    overflow: hidden;
}

#sidebar h3 {
    display: inline-block;
    width: 100%;
    font-size: 13px;
    margin-bottom: 5px;
    font-weight: 500;
    background: #EBEBEC;
    padding: 5px 8px 5px 12px;
    border-radius: 99px;
    color: #333;
}

#sidebar label {
    width: 100%;
    float: left;
    margin-bottom: 5px;
    margin-left: 11px;
    margin-top: 3px;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-content: center;
    align-items: center;
    font-size: 12px;
}

#sidebar label > span {
    width: 80%;
}

#sidebar input {
    -webkit-appearance: auto;
    width: 15px;
    height: 15px;
    opacity: 1;
    display: block;
    clear: both;
    border: 1px solid #ccc;
    position: relative;
    cursor: pointer;
}

#sidebar input[type="checkbox"] {
    pointer-events: auto;
    float: left;
    margin-right: 5px;
    margin-top: 0;
    -webkit-appearance: none;
    border: 2px solid #ccc;
    background-color: #ccc;
    cursor: pointer;
    border-radius: 3px;
    outline: none;
}

#sidebar input[type="checkbox"]:checked {
    background-color: #E31937;
    border-color: #EBEBEC;
}

.box-mau-sac input[type="checkbox"] {
    display: none !important;
}

.box-mau-sac input[type="checkbox"]:checked + .parent-name,
.box-mau-sac input[type="checkbox"]:checked + span {
    font-weight: bold;
}

.box-mau-sac input[type="checkbox"]:checked + .parent-name .color-swatch::after,
.box-mau-sac input[type="checkbox"]:checked + span .color-swatch::after {
    content: '✓';
    position: absolute;
    bottom: -1px;
    right: -1px;
    color: #e31937;
    width: 20px;
    height: 20px;
    font-size: 8px;
    line-height: 12px;
    text-align: center;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.color-swatch {
    position: relative;
    transition: all 0.2s ease;
    display: inline-block;
}

.parent-name {
    cursor: pointer;
}

.box-mau-sac label:hover .color-swatch {
    transform: scale(1.1);
    border-color: #999;
}

.box-mau-sac input {
    display: none !important;
}

.box-phu-kien .parent-term {
    margin-bottom: 0px;
    overflow: hidden;
}

.box-phu-kien .child-terms {
    margin-top: 5px;
}

.box-phu-kien .child-terms label {
    display: block;
    margin-bottom: 5px;
}

.box-phu-kien .count,
.vts_count {
    color: #666;
    font-size: 0.9em;
    text-align: right;
    float: right;
}

/* Product Items */
.product-item {
    background: #fff;
    padding: 15px;
    margin: 10px;
    box-sizing: border-box;
    border-radius: 8px;
}

.column-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.column-products .product-item {
    flex: 1 1 calc(33.333% - 20px);
    box-sizing: border-box;
    padding: 0;
    text-align: center;
    margin: 0;
    padding-bottom: 14px;
    border-radius: 0;
}

.column-products::after {
    content: "";
    flex: 1 1 calc(33.333% - 20px);
    box-sizing: border-box;
}

.tieu-de {
    text-align: center;
    width: 100%;
    float: left;
    font-weight: normal;
    color: #4a4949;
}

.promotion-details .tieu-de:last-child {
    font-weight: 600;
    font-size: 18px;
}

.promotion-details {
    padding: 10px;
}

.tieu-de a {
    color: #000000;
}

.tieu-de a:hover {
    color: #eb1937;
}

.prod_id {
    font-weight: 600;
    font-size: 18px;
}

.prod_link {
    margin-top: 15px;
}

.cont_wrap .prod_link a,
.products_list .item .prod_link a,
.products_list_related .item .prod_link a {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 500;
    font-size: 13px !important;
    color: #FFFFFF;
    padding: 9px 20px;
    background: var(--primary-color);
    border-radius: 100px;
    transition: 0.3s ease-in-out;
}

.prod_color {
    display: flex;
    justify-content: center;
    margin-top: auto;
    margin-bottom: 10px;
}

.prod_color .color img {
    margin: 4.5px;
    border-radius: 50%;
    position: relative;
}

/* Product Image Effects */
.box-image {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.image-fade_in_back {
    position: relative;
}

.product_image {
    width: 100%;
    height: auto;
    display: block;
}

.show-on-hover {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity .3s ease;
}

.image-fade_in_back:hover .show-on-hover {
    opacity: 1;
    pointer-events: inherit;
    transform: scale(1) translateZ(0) translateY(0) !important;
    background-color: #fff;
}

/* Quick View */
.quick-view-panel {
    display: none;
    width: 58vw !important;
    position: relative;
    grid-column: 1 / -1;
    background: #494949;
    padding: 60px 30px;
    margin-left: calc(-29vw + 50%) !important;
    margin-right: calc(-26vw + 50%) !important;
    will-change: opacity, transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

.quick-view-panel.active {
    display: block;
}

.quick-view-info .prod_info {
    color: #fff;
}

.quick-view-info .item span {
    display: inline-block;
    width: 30%;
}

.quick-view-info .item {
    display: flex;
    flex-direction: row;
    padding: 4px;
}

.quick-view-info .prod_link a {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 500;
    font-size: 14px !important;
    color: #FFFFFF;
    padding: 9px 20px;
    background: var(--primary-color);
    border-radius: 100px;
    transition: 0.3s ease-in-out;
    margin-top: 10px;
    float: left;
}

.quick-view-info h2 {
    color: #Fff;
}

.item.product-item.active:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #494949;
    width: 0;
    height: 0;
}

/* Load More Button */
#load-more-btn {
    background: #Fff;
    color: #d81732;
    border-radius: 99px;
    border: 1px solid #d81732;
    font-weight: bold;
    text-transform: uppercase;
}

#load-more-btn:hover {
    background: #d81732;
    color: #fff;
    border-radius: 99px;
}

.news_link {
    text-align: center;
    margin-top: 10px;
    padding-bottom: 30px;
}

/* Filter Button */
.wpc-filters-open-button-container {
    display: none;
}

.wpc-filters-button-text {
    font-size: 12px;
}

.wpc-button-inner,
.wpc-chip-content {
    display: flex;
    align-items: center;
}

.wpc-filters-open-widget .wpc-icon-html-wrapper {
    transform: rotate(-10deg);
    position: relative;
    margin-right: 10px;
    top: 2px;
}

.wpc-filters-open-widget .wpc-icon-html-wrapper span {
    display: block;
    height: 1px;
    width: 18px;
    border-radius: 3px;
    background: #2c2d33;
    margin-bottom: 4px;
    position: relative;
}

.wpc-filters-open-widget span.wpc-icon-line-1:after {
    border-radius: 50%;
    left: 5px;
}

.wpc-filters-open-widget span.wpc-icon-line-1:after,
.wpc-filters-open-widget span.wpc-icon-line-2:after,
.wpc-filters-open-widget span.wpc-icon-line-3:after {
    content: "";
    display: block;
    width: 3px;
    height: 3px;
    border: 1px solid #2c2d33;
    background-color: #fff;
    position: absolute;
    top: -2px;
    box-sizing: content-box;
}

.wpc-filters-open-widget span.wpc-icon-line-2:after {
    border-radius: 50%;
    left: 12px;
}

.wpc-filters-open-widget span.wpc-icon-line-3:after {
    border-radius: 50%;
    left: 2px;
}

.wpc-filters-open-button-container .wpc-filters-open-widget a {
    display: inline-block;
    text-align: left;
    border: 1px solid #2c2d33;
    border-radius: 2px;
    line-height: 1.5;
    padding: 5px 8px;
    background-color: transparent;
    color: #2c2d33;
    box-sizing: border-box;
    text-decoration: none !important;
    font-weight: 400;
    transition: none;
    position: relative;
}

#close-sidebar {
    display: none;
}

.wpc-widget-close-icon {
    display: flex;
    margin: 0;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    z-index: 10;
}

.wpc-widget-close-icon span.wpc-icon-line-3 {
    transform: rotate(-45deg);
}

#close-sidebar span.wpc-icon-line-1,
#close-sidebar span.wpc-icon-line-3 {
    height: 1px;
    margin-bottom: -1px;
}

.wpc-widget-close-icon .wpc-icon-html-wrapper span {
    width: 14px;
}

.wpc-widget-close-icon span.wpc-icon-line-2 {
    border-color: #fff;
    display: none;
}

.wpc-widget-close-icon span.wpc-icon-line-1 {
    transform: rotate(45deg);
}

.wpc-widget-close-icon span.wpc-icon-line-1,
.wpc-widget-close-icon span.wpc-icon-line-3 {
    margin-bottom: -1px;
    top: -3px;
}

.wpc-icon-html-wrapper span {
    display: block;
    height: 1px;
    width: 18px;
    border-radius: 3px;
    background: #2c2d33;
    margin-bottom: 4px;
    position: relative;
}

.top-loai-san-pham {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    margin-bottom: 15px;
}

/* ========================================
   SLICK SLIDER CUSTOMIZATION
   ======================================== */
.slick-prev:before,
.slick-next:before {
    display: none;
    opacity: 0;
}

.slick-list {
    scrollbar-width: thin;
}

.slick-list::-webkit-scrollbar {
    height: 6px;
}

#phanloai .slick-arrow,
.image-phanloai-mobile .slick-arrow,
.tab-content .slick-arrow {
    height: 29px;
    width: 44px;
    position: absolute;
    font-size: 0;
    cursor: pointer;
    background-color: transparent;
    border: none;
    background-image: url(https://kosmos.vn/wp-content/uploads/2024/10/right-arrow.png);
    background-repeat: no-repeat;
    background-size: contain;
    opacity: 1;
}

#phanloai .slick-prev,
.image-phanloai-mobile .slick-prev,
.tab-content .slick-prev {
    transform: rotate(180deg);
    bottom: 0;
    margin-top: -18px;
    left: 0;
}

#phanloai button.slick-next.slick-arrow,
.tab-content button.slick-next.slick-arrow {
    right: 0;
}

/* ========================================
   YOUTUBE PLAYER
   ======================================== */
.youtube-container {
    display: block;
    width: 100%;
}

.youtube-player {
    display: block;
    margin: 20px auto;
    padding-bottom: 56.25%;
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
    border-radius: 12px;
}

.section_heading .youtube-container {
    display: block;
    width: 100%;
    height: 450px;
}

img.youtube-thumbnail {
    bottom: 0;
    display: block;
    left: 0;
    margin: auto;
    max-width: 100%;
    width: 100%;
    height: 450px;
    position: absolute;
    right: 0;
    top: 0;
    height: auto;
    border-radius: 12px;
}

div.youtube-play-btn {
    height: 72px;
    width: 72px;
    left: 50%;
    top: 50%;
    margin-left: -36px;
    margin-top: -36px;
    position: absolute;
    background: url("https://kosmos.vn/wp-content/uploads/2024/11/play-icon.png") no-repeat center center;
    background-size: 72px 72px;
}

.youtube-iframe {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-section {
    position: relative;
}

.faq-container {
    margin: 40px auto 0;
}

.faq-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 30px;
    padding-bottom: 10px;
}

.faq-tab {
    background: transparent;
    border: none;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 8px 8px 0 0;
    position: relative;
    text-align: center;
}

.faq-tab:hover {
    color: var(--primary-color, #E31937);
    background: rgba(227, 25, 55, 0.05);
}

.faq-tab.active {
    color: var(--primary-color, #E31937);
    background: #fff;
    border-bottom: 3px solid var(--primary-color, #E31937);
}

.faq-tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.faq-tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-accordion {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.faq-item {
    border-bottom: 1px solid #e0e0e0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    transition: background 0.2s ease;
    user-select: none;
}

.faq-question:hover {
    background: #f5f5f5;
}

.faq-question h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    flex: 1;
    padding-right: 20px;
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--primary-color, #E31937);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 15px 24px;
}

.faq-answer p {
    margin: 0;
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}

/* ========================================
   UTILITY & MISC
   ======================================== */
form#prod_search {
    display: none;
}

form#prod_search path,
.rate_slide path,
.contact_fix_btn path {
    fill: var(--primary-color) !important;
}

.prod_2 .sec_des .sec_link path,
.view_more_products2 path {
    stroke: var(--primary-color);
}

.sticky_policy,
.sticky-contacts {
    z-index: 999;
}

.mobile,
.cau_tao_mobile,
.tieuchuan-kythuat-mobile,
.section_mau_sac_mobile,
.tieu-chuan-ky-thuat_desktop {
    display: none;
}

.products_list {
    grid-template-columns: 1fr 1fr 1fr 1fr;
}




/* ========================================
   TABLET RESPONSIVE (max-width: 767px)
   ======================================== */
@media only screen and (max-width: 767px) {

    .home_5 {
        padding-top: 0;
    }

    .tab-container-desktop {
        display: none;
    }
    
    .tab-container-mobile {
        display: block;
    }
    
    .mau-tam-op .tabs button {
        width: 25%;
        margin-top: 22px;
    }
    
    .mau-tam-op .tabs {
        flex-wrap: wrap;
    }
    
    #huong-dan-su-dung .dac-diem-noi-bat .grid-25 {
        width: 30.5%;
        margin-right: 10px;
        margin-bottom: 52px;
    }
    
    #huong-dan-su-dung .dac-diem-noi-bat .icon-dacdiem {
        left: 2%;
    }
    
    .cau_tao_mobile {
        display: block;
    }
    
    .cau_tao_desktop {
        display: none;
    }
    
    .tax_container .item {
        width: 50%;
    }
    
    h2 {
        font-size: 25px !important;
    }
    
    .prod_1 .cont .title {
        font-size: 21px;
        text-align: left;
        margin-bottom: 0;
    }
    
    .call-to-action {
        display: flex !important;
    }
    
    .button-call-to-action {
        margin: 20px 6px 0;
    }
    
    .button-call-to-action a {
        font-size: 14px !important;
        padding: 15px 10px !important;
    }
    
    ul#prod_filter li {
        max-width: 40%;
        text-align: center;
        line-height: 1.25;
    }
    
    .prod_4 #prod_filter {
        overflow: scroll;
        justify-content: center;
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        align-content: center;
        align-items: center;
    }
    
    .image-phanloai-mobile .row-tieu-chuan-ky-thuat-1,
    .image-phanloai-mobile .row-tieu-chuan-ky-thuat-2 {
        padding: 0;
    }
}

/* ========================================
   MOBILE RESPONSIVE (max-width: 575px)
   ======================================== */
@media screen and (max-width: 575px) {

    .sub-button-item {
        font-size: 13px;
        margin: 5px;
        padding: 15px 30px;
    }

    .sub-buttons ul {
        display: flex;
        text-align: center;
        flex-direction: column;
        flex-wrap: nowrap;
        justify-content: center;
    }

    .sub-buttons {
        padding: 8px 0 20px;
        padding-top: 0;
    }

    .youtube-player {
        margin-top: 0;
    }

    .prod_2 .sec_des {
        margin-bottom: 0;
    }

    .faq-tabs {
        grid-template-columns: repeat(2, 1fr);
        gap: 5px;
    }

    #faq-section{
        padding: 20px 0 !important;
    }

    .faq-container {
        margin: 15px auto 0;
    }

    .home_5 h2 {
        line-height: 33px;
    }

    #huongdan-thicong{
        padding-bottom: 0!important
    }

    #huongdan-thicong .news_link a {
        font-size: 14px;
    }


    .section-loc-san-pham .main-content {
        flex-direction: column;
        padding: 0;
    }
    
    .section-loc-san-pham #sidebar {
        position: unset !important;
    }
    
    .section-loc-san-pham .grid-25,
    .section-loc-san-pham .grid-75 {
        width: 100%;
    }
    
    .wpc-filters-open-button-container {
        display: block;
    }
    
    #sidebar {
        display: none;
    }
    
    .column-products {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px;
    }
    
    .column-products .product-item,
    .product-item {
        margin: 5px;
        padding: 10px;
    }
    
    .content-cau-tao {
        display: flex;
        flex-direction: column-reverse;
        margin-bottom: 30px;
    }
    
    .prod_4 {
        padding-top: 0;
    }
    
    .mau-tam-op {
        margin-top: 0 !important;
        margin-bottom: 50px;
    }
    
    .mau-tam-op .tabs button {
        width: 40%;
        margin-top: 22px;
    }
    
    .mau-tam-op .tabs button img {
        width: 80px;
    }
    
    .mau-tam-op .sec_title h2 {
        line-height: 35px;
    }
    
    .mau-tam-op .sec_title p {
        line-height: 23px;
    }

    .mau-tam-op .tabs{
        margin-bottom: 20px;
    }
    
    .so-sanh-section {
        padding-bottom: 0;
    }
    
    .prod_2 .section_heading .sec_title {
        margin-bottom: 0 !important;
    }
    
    .sticky-menu__item:has(a[href="#section_9"]) {
        display: none;
    }
    
    .avatar-reviewer {
        padding-top: 30px;
        flex-direction: row !important;
        text-align: left !important;
    }
    
    .reviewer {
        width: auto;
    }
    
    .tabs > .active {
        font-size: 13px;
    }
    
    .mobile {
        display: block;
    }
    
    .desktop {
        display: none;
    }
    
    .section_mau_sac_mobile {
        display: block;
    }
    
    .section_mau_sac_desktop {
        display: none;
    }
    
    #huongdan-thicong:before,
    #huongdan-thicong:after {
        background-image: none;
    }
    
    #huongdan-thicong .grid-100 {
        border: 1px solid #e41234;
        padding: 16px;
        border-radius: 8px 8px 0 0;
        z-index: 999;
        position: relative;
        border-bottom: none;
    }
    
    #huongdan-thicong .huongdan-thicong-content .text-content {
        border: 1px solid #e41234;
        border-top: none;
        padding: 16px;
        border-radius: 0 0 8px 8px;
        padding-top: 0;
    }
    
    #huong-dan-su-dung .dac-diem-noi-bat .grid-25 {
        width: 31.4%;
        margin-right: 10px;
        margin-bottom: 52px;
        min-height: 237px;
    }
    
    #huong-dan-su-dung .dac-diem-noi-bat .grid-25:nth-child(3) {
        margin-right: 0;
    }
    

    #dac-diem-noi-bat .dac-diem-noi-bat .grid-25 {
        width: 48.5%;
        margin-right: 10px;
        min-height: 172px;
    }
    
    #dac-diem-noi-bat .dac-diem-noi-bat .grid-25:nth-child(2n) {
        margin-right: 0;
    }
    
    #dac-diem-noi-bat .icon-dacdiem,
    #huong-dan-su-dung .icon-dacdiem {
        top: -49px;
    }
    
    .item-number-0 .slick-track span {
        padding: 0;
    }
    
    .grid-cau-tao {
        flex-direction: column;
    }
    
    .col-container {
        flex-direction: column;
    }
    
    .prod_2 {
        background-color: transparent;
    }
    
    .btn-huong-dan .button-group {
        font-size: 15px;
        border-radius: 24px;
        margin: 5px;
        padding: 15px;
    }
    
    .btn-huong-dan .button-group h3 {
        font-size: 16px;
    }
    
    .btn-huong-dan .button-group .sub-buttons {
        font-size: 14px;
    }
    
    #huong-dan-su-dung .dac-diem-noi-bat {
        margin-top: 12% !important;
    }
    
    #huong-dan-su-dung .dac-diem-noi-bat .grid-25:nth-child(4) {
        margin-left: 14.5%;
    }
    
    .mobile-grid-100 {
        z-index: 99;
    }
    
    .huongdan-thicong-content {
        display: flex;
        flex-direction: column-reverse;
    }
    
    .huongdan-thicong-content .image {
        margin-top: 0;
        padding: 0;
    }
    
    .tieuchuan-kythuat-mobile {
        display: block;
    }
    
    .tieuchuan-kythuat-desktop,
    .tieu-chuan-ky-thuat_desktop {
        display: none;
    }
    
    .section-ung-dung .tax_container .item {
        width: 50%;
        height: auto;
    }
    
    .dac-diem-noi-bat .icon-dacdiem img {
        height: 100px;
        width: 100px;
    }
    
    .dac-diem-noi-bat .grid-25 {
        padding: 34px 5px 19px 4px;
        width: 47%;
        margin-right: 15px;
        min-height: 190px;
        margin-bottom: 51px;
        z-index: 99;
    }
    
    .dac-diem-noi-bat .grid-25:nth-child(2n) {
        margin-right: 0;
    }
    
    .dac-diem-noi-bat .icon-title {
        font-size: 15px;
    }
    
    .nhan_bao_gia {
        padding: 10px 0px;
    }
    
    .prod_2 .sec_video,
    .prod_2 .sec_des {
        width: 100%;
    }
    
    .prod_2 .sec_video iframe {
        height: auto;
        min-height: 205px;
    }
    
    #quote-carousel .slick-prev {
        left: -18px;
        top: 47.6%;
    }
    
    #quote-carousel .slick-next {
        right: -18px;
    }
    
    #quote-carousel .grid-50 {
        padding-left: 0;
    }
    
    #quote-carousel .col-right img {
        border-radius: 12px;
    }
    
    #quote-carousel .grid-container {
        flex-direction: column;
    }
    
    .section-ung-dung {
        margin-top: 20px;
    }
    
    .section-ung-dung .tax_container .item {
        padding: 0 4px;
    }
    
    .dieu-kien-bao-hanh {
        margin: 10px;
    }
    
    .dieu-kien-bao-hanh .item_title {
        border-radius: 8px;
    }
    
    .dieu-kien-bao-hanh .item_title h3 {
        font-size: 13px;
    }
    
    .prod_5 .item {
        max-height: 321px;
    }
    
    .products_list {
        grid-template-columns: 1fr 1fr;
    }
    
    .products_list .item .prod_link a {
        padding: 8px 15px;
    }
    
    .tabs {
        width: 100%;
    }
    
    .section_heading .youtube-container {
        display: block;
        width: 100%;
        height: 300px;
    }
    
    .section_heading {
        margin-bottom: 0;
    }
    
    .section_heading > .sec_title h2 {
        margin-bottom: 10px !important;
    }
    
    .section-quote {
        justify-content: space-between;
        align-items: center;
        max-width: 803px;
        margin: auto;
    }
    
    #phanloai h2 {
        font-size: 40px;
    }
    
    #section_9 {
        display: none;
    }
    
    #huongdan-thicong img {
        margin-top: 15px;
    }

    .hotline-bar {
        height: 45px;
        width: 180px;
        left: 56px;
    }
    
    .section-quote__hotline .hotline-phone-ring {
        left: 0;
    }
    
    .faq-tabs {
        flex-direction: column;
        gap: 5px;
    }
    
    .faq-tab {
        width: 100%;
        text-align: left;
        padding: 12px 16px;
    }
    
    .faq-question h3 {
        font-size: 16px;
    }
    
    .faq-answer p {
        font-size: 14px;
    }
    
    .faq-question {
        padding: 16px;
    }
    
    .home_5 .home_count .item .icon img {
        width: 30px;
        height: auto;
    }
    
    .home_5 .home_count .item .title {
        font-size: 13px;
    }
}