/* Rongbk888 UI refresh — 2026-10-21 */
:root {
    --rb-primary: #173b5c;
    --rb-primary-hover: #24577c;
    --rb-accent: #d6a13d;
    --rb-accent-hover: #bd8727;
    --rb-section: #f3f6fa;
    --rb-border: #dce4eb;
    --rb-text: #1f2937;
    --rb-muted: #64748b;
    --rb-canvas: #222222;
    --rb-surface: #ffffff;
    --rb-danger: #c81e1e;
    --rb-success: #15803d;
    --rb-site-width: 980px;
    --rb-sidebar-width: 240px;
    --rb-gap: 12px;
    --rb-radius: 4px;
}

html {
    max-width: 100%;
    overflow-x: hidden;
    background: var(--rb-canvas);
    scroll-behavior: smooth;
}

body {
    max-width: 100%;
    margin: 0;
    overflow-x: hidden;
    background: var(--rb-canvas) !important;
    color: var(--rb-text);
    font-family: Arial, Helvetica, sans-serif !important;
    line-height: 1.45;
}

body.menu-open {
    overflow: hidden;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

img,
iframe,
video,
canvas {
    max-width: 100%;
}

a {
    transition: color .15s ease, background-color .15s ease, border-color .15s ease;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(214, 161, 61, .48);
    outline-offset: 2px;
}

.main,
.container {
    width: 100%;
    max-width: var(--rb-site-width) !important;
    margin: 0 auto;
}

/* Header and temporary text wordmark */
.site-header {
    width: 100%;
    max-width: var(--rb-site-width);
    margin: 0 auto;
    border: 0;
    background: var(--rb-surface) !important;
}

.site-header > .main {
    margin: 0 auto;
    background: var(--rb-surface);
}

.taskbar {
    min-height: 22px;
    margin: 0 !important;
    padding: 4px 12px !important;
    overflow: hidden;
    border: 0 !important;
    border-bottom: 1px solid var(--rb-border) !important;
    background: var(--rb-section) !important;
    color: var(--rb-muted) !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    line-height: 14px;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.top-info {
    position: relative;
    min-height: 66px;
    margin: 0;
    padding: 7px 12px !important;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--rb-surface) !important;
}

.brand-lockup {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.txtlogo {
    display: inline-flex !important;
    align-items: center;
    gap: 10px;
    padding: 0 !important;
    color: var(--rb-primary) !important;
    font-family: Arial, Helvetica, sans-serif !important;
    line-height: 1 !important;
    text-decoration: none !important;
}

.brand-mark {
    width: 46px;
    height: 46px;
    display: inline-flex;
    flex: 0 0 46px;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--rb-accent);
    border-radius: var(--rb-radius);
    background: var(--rb-primary);
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -.03em;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.brand-name {
    color: var(--rb-primary);
    font-size: 29px;
    font-weight: 800;
    letter-spacing: -.04em;
}

.brand-name > span {
    color: var(--rb-accent-hover);
}

.brand-tagline {
    color: var(--rb-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .01em;
}

.header-trust {
    position: absolute;
    right: 0;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 9px;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius);
    background: var(--rb-section);
    color: #475569;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
}

.status-dot,
.icon1 {
    width: 8px;
    height: 8px;
    display: inline-block;
    border-radius: 50%;
    background: var(--rb-success);
}

.navbar-toggle {
    display: none;
}

/* Primary navigation */
#nav {
    position: relative;
    z-index: 90;
    width: 100%;
    max-width: var(--rb-site-width);
    margin: 0 auto;
    border-bottom: 3px solid var(--rb-accent);
    background: var(--rb-primary) !important;
    background-image: none !important;
    box-shadow: none;
}

#nav .main {
    margin: 0 auto;
}

.nav-mobile-bar {
    display: none;
}

.nav-horizontal {
    margin: 0;
    padding: 0;
    display: flex;
    align-items: stretch;
    list-style: none;
}

.nav-horizontal > .nav-item {
    position: relative;
    min-width: 0;
    margin: 0;
    padding: 0;
    display: flex;
    flex: 1 1 0;
    float: none !important;
    border: 0 !important;
    background: transparent !important;
}

.nav-horizontal > .nav-item + .nav-item {
    border-left: 1px solid rgba(255, 255, 255, .12) !important;
}

.nav-horizontal > .nav-item > a {
    position: relative;
    min-width: 0;
    min-height: 44px;
    padding: 8px 10px;
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: center;
    color: #fff !important;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: .01em;
    text-align: center;
    text-decoration: none;
    text-transform: none;
    white-space: nowrap;
}

.nav-horizontal > .has-submenu > a {
    padding-right: 28px;
}

.nav-horizontal > .nav-item:hover > a,
.nav-horizontal > .nav-item:focus-within > a {
    background: var(--rb-primary-hover) !important;
    color: #fff !important;
}

.nav-horizontal > .nav-item.active > a {
    background: var(--rb-accent) !important;
    color: #152c40 !important;
}

.submenu-toggle {
    position: absolute;
    top: 0;
    right: 4px;
    z-index: 2;
    width: 24px;
    height: 44px;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
}

.nav-item.active > .submenu-toggle {
    color: #152c40;
}

.submenu-toggle::before {
    content: "";
    position: absolute;
    top: 18px;
    left: 8px;
    width: 7px;
    height: 7px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .15s ease;
}

.nav-item.submenu-open > .submenu-toggle::before {
    top: 20px;
    transform: rotate(225deg);
}

.menu-c2 {
    position: absolute;
    top: 100% !important;
    left: 0;
    z-index: 999;
    min-width: 220px;
    margin: 0;
    padding: 5px !important;
    display: none;
    border: 1px solid var(--rb-border) !important;
    border-top: 3px solid var(--rb-accent) !important;
    border-radius: 0 0 var(--rb-radius) var(--rb-radius);
    background: #fff !important;
    box-shadow: 0 8px 18px rgba(23, 59, 92, .15);
    list-style: none;
}

.menu-c2-right {
    right: 0;
    left: auto;
}

.menu-c2-wide {
    min-width: 240px;
}

.menu-c2 > li {
    width: 100%;
    margin: 0;
    padding: 0 !important;
    float: none !important;
    border: 0 !important;
    background: #fff !important;
}

.menu-c2 > li + li {
    border-top: 1px solid #edf1f5 !important;
}

.menu-c2 > li > a,
.menu-c2 > li:not(.active) > a {
    min-height: 34px;
    padding: 8px 10px !important;
    display: flex;
    align-items: center;
    background: #fff !important;
    color: var(--rb-text) !important;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    text-decoration: none;
    text-transform: none;
    white-space: nowrap;
}

.menu-c2 > li:hover > a,
.menu-c2 > li:focus-within > a {
    background: var(--rb-section) !important;
    color: var(--rb-primary-hover) !important;
}

@media (min-width: 1024px) {
    .nav-horizontal > .nav-item:hover > .menu-c2,
    .nav-horizontal > .nav-item:focus-within > .menu-c2,
    .nav-horizontal > .nav-item.submenu-open > .menu-c2 {
        display: block !important;
    }
}

/* Shared white page frame */
.linkway {
    width: 100%;
    max-width: var(--rb-site-width);
    margin: 0 auto;
    background: var(--rb-surface);
}

.linkway .main {
    padding: 6px 12px;
}

.breadcrumb,
.breadcrumb a {
    color: var(--rb-muted);
    font-size: 12px;
}

.content.main,
.content > .main {
    width: 100%;
    max-width: var(--rb-site-width) !important;
    margin: 0 auto;
    padding: 12px;
    background: var(--rb-surface);
}

.content.main {
    min-height: 320px;
}

.content.main::after {
    content: "";
    display: table;
    clear: both;
}

@media (min-width: 961px) {
    .content.main > .col-l {
        width: calc(100% - var(--rb-sidebar-width) - var(--rb-gap)) !important;
        min-width: 0;
        margin: 0 !important;
        padding: 0 !important;
        float: left !important;
    }

    .content.main > .col-center,
    .content.main > .col-right {
        width: var(--rb-sidebar-width) !important;
        min-width: 0;
        margin: 0 0 var(--rb-gap) !important;
        padding: 0 !important;
        float: right !important;
        clear: right;
    }
}

/* Panels, section titles and sidebars */
.box,
.vb,
.content-wr,
.content-right {
    max-width: 100%;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius);
    background: var(--rb-surface) !important;
    box-shadow: none !important;
}

.box,
.vb,
.content-right {
    margin-bottom: var(--rb-gap) !important;
}

.box,
.content-wr {
    overflow-x: auto;
    scrollbar-width: thin;
}

.vb {
    padding: 12px 14px !important;
    color: var(--rb-text);
    line-height: 1.6;
}

.vb p:first-child {
    margin-top: 0;
}

.vb p:last-child {
    margin-bottom: 0;
}

.vb a,
.box-html a,
.cont-detail a {
    color: var(--rb-primary-hover) !important;
    text-decoration: none !important;
}

.vb h2,
.cont-detail h2,
#article-content h2 {
    color: var(--rb-primary) !important;
    font-weight: 700 !important;
}

.vb h3,
.cont-detail h3 {
    color: var(--rb-primary-hover) !important;
    font-weight: 700 !important;
}

.bg_gray {
    padding: 9px 11px !important;
    border: 0 !important;
    border-bottom: 1px solid var(--rb-border) !important;
    background: var(--rb-section) !important;
}

.opt_date_full {
    color: #334155;
    text-align: center;
}

.opt_date_full input {
    width: 112px;
    padding: 4px 6px;
    border: 1px solid var(--rb-border) !important;
    background: #fff !important;
    color: var(--rb-danger);
    font-weight: 700;
    text-align: center;
}

.tit-mien,
.la,
.content-right .title-r,
.control-panel,
.pascal .pascal-header,
.fe,
.tk-nhanh-item-header {
    border: 0 !important;
    border-left: 4px solid var(--rb-accent) !important;
    background: var(--rb-primary) !important;
    background-image: none !important;
    color: #fff !important;
}

.tit-mien,
.la {
    margin: 0;
    padding: 9px 11px !important;
    font-weight: 700;
}

.tit-mien a,
.tit-mien a span,
.la a,
.fe a,
.pascal-header h3 {
    color: #fff !important;
    text-decoration: none !important;
}

.content-right {
    overflow: hidden;
}

.content-right .title-r {
    padding: 9px 10px !important;
    border-radius: 0 !important;
    font-size: 12px !important;
    font-weight: 700;
    letter-spacing: .02em;
}

.content-right .title-r a {
    color: #fff !important;
}

.content-right ul {
    margin: 0;
    padding: 0;
}

.content-right li {
    margin: 0 !important;
    padding: 8px 10px !important;
    border-bottom: 1px solid #edf1f5 !important;
    line-height: 1.35;
}

.content-right li:last-child {
    border-bottom: 0 !important;
}

.content-right li.active,
.content-right li:hover {
    background: var(--rb-section) !important;
}

.content-right li.active a,
.content-right li:hover a {
    color: var(--rb-primary-hover) !important;
}

/* Tabs */
.tab-panel {
    margin: 0 0 10px;
    padding: 6px;
    display: flex;
    gap: 5px;
    overflow-x: auto;
    overflow-y: hidden;
    border-bottom: 1px solid var(--rb-border);
    background: var(--rb-section);
    scrollbar-width: thin;
}

.tab-panel::after,
.tab-panel li::after {
    display: none !important;
}

.tab-panel li {
    flex: 0 0 auto;
    margin: 0 !important;
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius) !important;
    background: #fff !important;
    color: #475569;
}

.tab-panel li a {
    padding: 6px 9px;
    text-decoration: none;
}

.tab-panel li.active {
    border-color: var(--rb-accent-hover);
    background: var(--rb-accent) !important;
    color: #152c40 !important;
}

.tab-panel li.active a {
    color: #152c40 !important;
}

/* Forms and buttons */
input,
select,
textarea {
    max-width: 100%;
    min-height: 36px;
    border: 1px solid #cbd5e1 !important;
    border-radius: var(--rb-radius) !important;
    background-color: #fff;
    color: var(--rb-text);
}

.form-doveso {
    padding: 10px !important;
    background: #fff !important;
    box-shadow: none !important;
}

.btn,
.btn-see-more,
.form-doveso button,
#xem_them,
.home_link li a,
ul .hi a,
.mus {
    border: 1px solid var(--rb-primary) !important;
    border-radius: var(--rb-radius) !important;
    background: var(--rb-primary) !important;
    background-image: none !important;
    box-shadow: none !important;
    color: #fff !important;
    font-weight: 700 !important;
    text-decoration: none !important;
}

.btn:hover,
.btn-see-more:hover,
.form-doveso button:hover,
#xem_them:hover,
.home_link li a:hover,
ul .hi a:hover,
.mus:hover {
    border-color: var(--rb-primary-hover) !important;
    background: var(--rb-primary-hover) !important;
    color: #fff !important;
    transform: none !important;
}

.btn-see-more {
    min-height: 36px;
}

/* Results and data tables */
table {
    max-width: 100%;
    border-color: var(--rb-border);
}

table td,
table th {
    border-color: var(--rb-border) !important;
}

table th,
.table-shadow {
    background: var(--rb-section) !important;
    background-image: none !important;
    color: #334155 !important;
}

.table-shadow td {
    color: #334155 !important;
}

.kqmb tr:nth-child(even),
.colgiai tr:nth-child(even) {
    background: #f8fafc;
}

.kqmb td.txt-giai,
.one-city td.txt-giai {
    color: #475569;
    font-size: 13px;
    font-weight: 700;
}

.kqmb td.v-giai span[class^="v-g"],
table.kqmb td.number,
.colgiai td div {
    color: #111827;
    font-variant-numeric: tabular-nums;
}

.kqmb .db td.number,
.kqmb td.v-giai span.v-gdb,
.colgiai .gdb div,
.kqmb .g7 .number,
.colgiai .g8 div {
    color: var(--rb-danger) !important;
}

.control-panel {
    padding: 7px 9px !important;
    font-size: 13px;
}

.digits-form label.radio input:checked + b {
    background-color: var(--rb-success);
}

.mega645 .results li .data td i,
.dientoan-ball li span {
    border-color: rgba(23, 59, 92, .28) !important;
    background: var(--rb-section) !important;
    color: var(--rb-primary) !important;
    box-shadow: none !important;
}

.sp,
blockquote {
    border: 1px solid #ead9b7 !important;
    border-left: 4px solid var(--rb-accent) !important;
    border-radius: var(--rb-radius);
    background: #fffaf0 !important;
}

/* Full-width statistic pages */
.tktansuat,
.content:not(.main) {
    max-width: 100%;
}

.tktansuat .main,
.content:not(.main) > .main {
    overflow-x: hidden;
}

.statis-loto,
.db-by-month,
.db-by-year,
.tk-tansuat {
    max-width: 100%;
}

.statis-loto table,
.db-by-month table,
.db-by-year table,
.tk-tansuat table,
.overflow table,
.scroll table {
    min-width: max-content;
}

.overflow,
.scroll,
.table-responsive,
#monthly-result {
    max-width: 100%;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
}

/* Footer */
.site-footer {
    width: 100%;
    max-width: var(--rb-site-width);
    margin: 0 auto;
    overflow: hidden;
    border-top: 4px solid var(--rb-accent);
    background: var(--rb-primary) !important;
    background-image: none !important;
    color: #dce4eb;
}

.footer-inner {
    width: 100%;
    max-width: none;
    margin: 0 auto;
    padding: 28px 18px 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.45fr .8fr 1fr;
    gap: 28px;
}

.footer-brand-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: #fff !important;
    font-size: 23px;
    font-weight: 800;
    letter-spacing: -.03em;
}

.footer-brand-link .brand-mark {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
    border-color: var(--rb-accent);
    background: #102f4c;
    font-size: 14px;
}

.footer-intro {
    max-width: 420px;
    margin: 13px 0 16px;
    color: #c4d1dc;
    line-height: 1.6;
}

.site-footer h2 {
    margin: 2px 0 13px;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.footer-contact,
.footer-nav {
    display: grid;
    gap: 9px;
}

.site-footer a {
    color: #dce4eb;
}

.site-footer a:hover {
    color: #fff;
}

.footer-contact a,
.footer-contact-item,
.footer-nav a,
.footer-address {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
}

.site-footer nav {
    position: static;
    margin: 0;
    border: 0;
    background: transparent !important;
    box-shadow: none;
}

.site-footer nav li > a {
    min-height: 0;
    padding: 0;
    color: #dce4eb;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: 0;
    text-transform: none;
}

.site-footer nav li > a:hover {
    background: transparent !important;
    color: #fff !important;
}

.footer-contact i,
.footer-address i {
    width: 15px;
    margin-top: 3px;
    color: var(--rb-accent);
    text-align: center;
}

.footer-address {
    margin: 0 0 12px;
    color: #c4d1dc;
    font-style: normal;
}

.footer-map-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 10px;
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: var(--rb-radius);
    background: rgba(255, 255, 255, .05);
    font-weight: 700;
}

.footer-social {
    margin-top: 17px;
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.footer-social a {
    width: 33px;
    height: 33px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: var(--rb-radius);
    background: rgba(255, 255, 255, .05);
    color: #fff;
}

.footer-social a:hover {
    border-color: var(--rb-accent);
    background: rgba(214, 161, 61, .18);
}

.footer-partners {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, .16);
}

.footer-partner-links {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.footer-partner-links a {
    padding: 5px 8px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--rb-radius);
    background: rgba(255, 255, 255, .04);
    color: #c4d1dc;
    font-size: 12px;
}

.footer-partner-links a:hover {
    border-color: var(--rb-accent);
    color: #fff;
}

.footer-bottom {
    margin-top: 22px;
    padding-top: 16px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid rgba(255, 255, 255, .16);
    color: #aebfcd;
    font-size: 12px;
}

.footer-bottom p {
    margin: 0;
}

#go-top {
    right: 14px;
    bottom: 14px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--rb-accent);
    border-radius: var(--rb-radius);
    background: var(--rb-primary);
    box-shadow: none;
    color: #fff;
}

/* Drawer navigation and stacked page layout */
@media (max-width: 1023px) {
    .navbar-toggle {
        position: absolute;
        top: 50%;
        left: 12px !important;
        z-index: 5;
        width: 40px;
        height: 40px;
        margin: 0;
        padding: 10px !important;
        display: block;
        transform: translateY(-50%);
        border: 1px solid var(--rb-border);
        border-radius: var(--rb-radius) !important;
        background: var(--rb-section);
    }

    .navbar-toggle .icon-bar {
        width: 19px;
        height: 2px;
        margin: 0 auto;
        display: block;
        background: var(--rb-primary) !important;
    }

    .navbar-toggle .icon-bar + .icon-bar {
        margin-top: 4px;
    }

    .header-trust {
        display: none;
    }

    .nav-mobile-bar {
        min-height: 36px;
        padding: 0 12px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: #fff;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: .02em;
        text-transform: uppercase;
    }

    .nav-pc {
        visibility: hidden;
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        z-index: 110;
        width: min(86vw, 320px);
        max-width: 320px;
        overflow-y: auto;
        background: #fff !important;
        box-shadow: 8px 0 24px rgba(15, 23, 42, .22);
        transform: translateX(-100%);
        transition: transform .2s ease, visibility .2s ease;
    }

    html.menu-active .nav-pc {
        visibility: visible;
        transform: translateX(0);
    }

    #menu-mobile-backdrop {
        position: fixed;
        inset: 0;
        z-index: 105;
        width: 100%;
        height: 100%;
        padding: 0;
        display: none;
        border: 0;
        background: rgba(15, 23, 42, .62) !important;
        cursor: default;
    }

    html.menu-active #menu-mobile-backdrop {
        display: block;
    }

    .nav-horizontal {
        width: 100%;
        margin: 0 0 40px;
        padding: 0;
        display: block;
    }

    .nav-horizontal > .menu-header {
        min-height: 58px;
        padding: 8px 10px;
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        border-bottom: 3px solid var(--rb-accent) !important;
        background: var(--rb-primary) !important;
        color: #fff;
    }

    .drawer-brand {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 18px;
        font-weight: 800;
    }

    .drawer-brand .brand-mark {
        width: 36px;
        height: 36px;
        flex-basis: 36px;
        border-color: var(--rb-accent);
        background: #102f4c;
        font-size: 13px;
    }

    .close-button {
        position: static !important;
        width: 38px !important;
        height: 38px !important;
        padding: 0 !important;
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        border: 1px solid rgba(255, 255, 255, .35);
        border-radius: var(--rb-radius);
        background: transparent;
        color: #fff;
        font-size: 27px;
        line-height: 1;
    }

    .nav-horizontal > .nav-item {
        width: 100%;
        min-height: 44px;
        display: flex;
        flex-wrap: wrap;
        border: 0 !important;
        border-bottom: 1px solid var(--rb-border) !important;
        background: #fff !important;
    }

    .nav-horizontal > .nav-item + .nav-item {
        border-left: 0 !important;
    }

    .nav-horizontal > .nav-item > a {
        min-height: 44px;
        padding: 10px 48px 10px 14px;
        justify-content: flex-start;
        background: #fff !important;
        color: var(--rb-text) !important;
        font-size: 13px;
        text-align: left;
    }

    .nav-horizontal > .nav-item.active > a,
    .nav-horizontal > .nav-item:hover > a,
    .nav-horizontal > .nav-item:focus-within > a {
        background: #fff8e8 !important;
        color: var(--rb-primary) !important;
    }

    .nav-horizontal > .nav-item.active {
        box-shadow: inset 4px 0 var(--rb-accent);
    }

    .submenu-toggle {
        top: 0;
        right: 0;
        width: 48px;
        height: 44px;
        border-left: 1px solid var(--rb-border);
        color: var(--rb-primary);
    }

    .submenu-toggle::before {
        top: 16px;
        left: 19px;
        width: 8px;
        height: 8px;
    }

    .nav-item.submenu-open > .submenu-toggle::before {
        top: 20px;
    }

    .nav-horizontal .menu-c2,
    .nav-horizontal .nav-item.active > .menu-c2,
    .nav-horizontal .nav-item:hover > .menu-c2 {
        position: static;
        width: 100%;
        min-width: 0;
        margin: 0;
        padding: 3px 0 6px 14px !important;
        display: none !important;
        border: 0 !important;
        border-top: 1px solid var(--rb-border) !important;
        border-radius: 0;
        background: var(--rb-section) !important;
        box-shadow: none;
    }

    .nav-horizontal .nav-item.submenu-open > .menu-c2 {
        display: block !important;
    }

    .menu-c2 > li,
    .menu-c2 > li > a,
    .menu-c2 > li:not(.active) > a {
        background: transparent !important;
    }

    .menu-c2 > li > a,
    .menu-c2 > li:not(.active) > a {
        min-height: 38px;
        padding: 9px 12px !important;
        color: #334155 !important;
        white-space: normal;
    }
}

@media (max-width: 960px) {
    .content.main > .col-l,
    .content.main > .col-center,
    .content.main > .col-right {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        display: block !important;
        float: none !important;
        clear: both !important;
    }

    .content.main > .col-center,
    .content.main > .col-right {
        margin-top: var(--rb-gap) !important;
    }

    .content.main {
        padding: 10px;
    }

    .content.main > .col-center {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--rb-gap);
    }

    .content.main > .col-center > .content-right {
        margin-bottom: 0 !important;
    }
}

@media (max-width: 768px) {
    .taskbar {
        min-height: 21px;
        padding: 3px 8px !important;
        font-size: 10px !important;
    }

    .top-info {
        min-height: 64px;
        padding: 7px 52px !important;
    }

    .brand-mark {
        width: 42px;
        height: 42px;
        flex-basis: 42px;
        font-size: 15px;
    }

    .brand-name {
        font-size: 25px;
    }

    .brand-tagline {
        font-size: 10px;
    }

    .content.main,
    .content > .main {
        padding: 8px;
    }

    .box,
    .vb,
    .content-right {
        border-radius: 3px;
    }

    .footer-inner {
        padding: 24px 15px 18px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px 18px;
    }

    .footer-brand-block {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 6px;
    }
}

@media (max-width: 640px) {
    .brand-tagline {
        display: none;
    }

    .brand-name {
        font-size: 23px;
    }

    .content.main,
    .content > .main {
        padding: 6px;
    }

    .content.main > .col-center {
        display: block !important;
    }

    .content.main > .col-center > .content-right {
        margin-bottom: var(--rb-gap) !important;
    }

    .vb {
        padding: 10px !important;
    }

    .tit-mien,
    .la {
        padding: 8px 7px !important;
        font-size: 14px !important;
    }

    .kqmb td.txt-giai,
    .one-city td.txt-giai {
        width: 44px;
        font-size: 11px;
    }

    table.kqmb td.number,
    .colgiai td div {
        font-size: clamp(18px, 5.2vw, 21px);
    }

    .kqmb .db td.number,
    .kqmb td.v-giai span.v-gdb,
    .colgiai .gdb div,
    .kqmb .g7 .number,
    .colgiai .g8 div {
        font-size: clamp(22px, 6.6vw, 27px) !important;
    }

    .form-margin {
        min-width: 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .footer-brand-block {
        grid-column: auto;
    }
}

@media (max-width: 390px) {
    .top-info {
        padding-right: 44px !important;
        padding-left: 48px !important;
    }

    .navbar-toggle {
        left: 8px !important;
        width: 36px;
        height: 36px;
        padding: 8px !important;
    }

    .brand-mark {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
        font-size: 14px;
    }

    .brand-name {
        font-size: 21px;
    }

    .content.main,
    .content > .main {
        padding: 5px;
    }

    input,
    select,
    textarea {
        font-size: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}