/* Font Declarations */
@font-face {
    font-family: 'Montserrat';
    src: url('../font/Montserrat-VariableFont_wght.ttf') format('truetype');
    font-weight: 100 900;
    font-style: normal;
}

@font-face {
    font-family: 'Montserrat';
    src: url('../font/Montserrat-Italic-VariableFont_wght.ttf') format('truetype');
    font-weight: 100 900;
    font-style: italic;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    overflow-x: hidden;
}


.nowrap {
    white-space: nowrap;
}

/* Hero Section */
.hero-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background-image: url('../images/dmax-bg-kv.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 20px 60px;
}

/* Navigation */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-logo {
    max-width: 280px;
    max-height: 80px;
    width: auto;
    height: auto;
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    gap: 15px;
}

.nav-btn {
    position: relative;
    background: linear-gradient(180deg,
            rgba(30, 92, 153, 0) 0%,
            rgba(30, 92, 153, 0.6) 30%,
            rgba(30, 92, 153, 0.85) 60%,
            rgba(30, 92, 153, 1) 100%);
    color: white;
    border: none;
    border-bottom: 5px solid transparent;
    padding: 12px 20px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    line-height: 1.3;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.nav-btn:hover {
    border-bottom: 5px solid #e63946;
}

/* Nav Scrolled / Sticky State */
.nav-container.nav-scrolled {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9000;
    padding: 10px 60px;
    background: transparent;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
    animation: navSlideDown 0.3s ease both;
}

@keyframes navSlideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Mobile Nav Scrolled */
.mobile-nav-bar.nav-scrolled {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9000;
    padding: 10px 20px;
    background: transparent;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
    animation: navSlideDown 0.3s ease both;
}

/* Logo thu nhỏ khi scrolled để nav height cân đối */
.nav-container.nav-scrolled .main-logo {
    max-height: 50px;
    width: auto;
    transition: all 0.3s ease;
}

.mobile-nav-bar.nav-scrolled .mobile-nav-logo {
    max-height: 40px;
    width: auto;
    transition: all 0.3s ease;
}

/* Nav btn nhỏ hơn khi scrolled */
.nav-container.nav-scrolled .nav-btn {
    padding: 10px 14px;
    font-size: 11px;
}

/* Mobile Navigation Bar - Hidden on desktop */
.mobile-nav-bar {
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    margin-bottom: 15px;
}

.mobile-nav-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.mobile-nav-btn:active {
    opacity: 0.7;
}

.mobile-nav-logo {
    max-width: 140px;
    height: auto;
}

/* Mobile Drawer Overlay */
.drawer-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.drawer-overlay.open {
    display: block;
    opacity: 1;
}

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: 100%;
    background: linear-gradient(180deg, #0a3d6b 0%, #1a6fb5 60%, #2d8fd0 100%);
    z-index: 9999;
    transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.3);
}

.mobile-drawer.open {
    left: 0;
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.drawer-logo {
    max-width: 120px;
    height: auto;
}

.drawer-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s ease;
}

.drawer-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 15px 0;
}

.drawer-nav-btn {
    display: block;
    width: 100%;
    background: none;
    border: none;
    color: white;
    font-size: 14px;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    text-align: left;
    padding: 16px 24px;
    cursor: pointer;
    transition: background 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    line-height: 1.4;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-sizing: border-box;
    text-decoration: none;
}

.drawer-nav-btn:hover,
.drawer-nav-btn:active {
    background: rgba(255, 255, 255, 0.1);
}

/* Search Overlay */
.search-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 20, 50, 0.92);
    z-index: 10000;
    justify-content: center;
    align-items: flex-start;
    padding-top: 100px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.search-overlay.open {
    display: flex;
    opacity: 1;
}

.search-container {
    width: 90%;
    max-width: 500px;
    position: relative;
}

.search-close-btn {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s ease;
}

.search-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    border-radius: 50px;
    padding: 14px 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: #0060af;
    background: transparent;
}

.search-input::placeholder {
    color: #8bb5d6;
    font-weight: 500;
}

/* Hero Content */
.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

/* Left Content */
.left-content {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    margin-left: 6em;
    margin-top: 5em;
}

.campaign-title {
    font-size: 32px;
    font-weight: bold;
    color: #0060af;
    text-transform: uppercase;
    line-height: 1.3;
    text-shadow:
        -2px -2px 0 rgba(255, 255, 255, 0.9),
        2px -2px 0 rgba(255, 255, 255, 0.9),
        -2px 2px 0 rgba(255, 255, 255, 0.9),
        2px 2px 0 rgba(255, 255, 255, 0.9),
        -3px 0px 0 rgba(255, 255, 255, 0.9),
        3px 0px 0 rgba(255, 255, 255, 0.9),
        0px -3px 0 rgba(255, 255, 255, 0.9),
        0px 3px 0 rgba(255, 255, 255, 0.9);
}

.campaign-subtitle {
    font-size: 48px;
    font-weight: bold;
    color: #0060af;
    font-style: italic;
    white-space: nowrap;
    margin-bottom: 10px;
    line-height: 1.2;
    text-shadow:
        -2px -2px 0 rgba(255, 255, 255, 0.9),
        2px -2px 0 rgba(255, 255, 255, 0.9),
        -2px 2px 0 rgba(255, 255, 255, 0.9),
        2px 2px 0 rgba(255, 255, 255, 0.9),
        -3px 0px 0 rgba(255, 255, 255, 0.9),
        3px 0px 0 rgba(255, 255, 255, 0.9),
        0px -3px 0 rgba(255, 255, 255, 0.9),
        0px 3px 0 rgba(255, 255, 255, 0.9);
}

.campaign-tagline {
    font-size: 18px;
    font-weight: bold;
    color: #0060af;
    text-transform: uppercase;
    margin-bottom: 40px;
    display: block;
    text-shadow:
        -2px -2px 0 rgba(255, 255, 255, 0.9),
        2px -2px 0 rgba(255, 255, 255, 0.9),
        -2px 2px 0 rgba(255, 255, 255, 0.9),
        2px 2px 0 rgba(255, 255, 255, 0.9),
        -2px 0px 0 rgba(255, 255, 255, 0.9),
        2px 0px 0 rgba(255, 255, 255, 0.9),
        0px -2px 0 rgba(255, 255, 255, 0.9),
        0px 2px 0 rgba(255, 255, 255, 0.9);
}

/* Supporter Logos */
.supporter-section {
    width: 640px;
    max-width: 100%;
}

.supporter-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 25px;
    width: 100%;
}

.supporter-logos-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    text-decoration: none;
    color: inherit;
}

.grid-item {
    display: flex;
    align-items: center;
    justify-content: center;
}

.grid-logo-left,
.grid-logo-right {
    flex: 0 0 auto;
}

.grid-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.divider-x {
    font-size: 20px;
    font-weight: 700;
    color: #1e5c99;
    line-height: 1;
    -webkit-text-stroke: 6px rgba(255, 255, 255, 0.95);

    paint-order: stroke fill;
    filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.1));
}

.supporter-text-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
}

.grid-text-left,
.grid-text-right {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-label {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    min-height: 48px;
}

.logo-label span {
    font-size: 18px;
    font-weight: 700;
    color: #1e5c99;
    text-transform: uppercase;
    line-height: 1.15;
    display: block;
    -webkit-text-stroke: 2px rgba(255, 255, 255, 0.95);
    paint-order: stroke fill;
    filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.1));
}

.supporter-logo {
    max-width: 68px;
    width: 100%;
    height: auto;
}

.brand-logo {
    max-width: 90px;
    width: 100%;
    height: auto;
}

.supporter-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.supporter-footer-text {
    font-size: 15px;
    font-weight: 700;
    color: #1e5c99;
    text-transform: uppercase;
    -webkit-text-stroke: 2px rgba(255, 255, 255, 0.95);
    paint-order: stroke fill;
    filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.1));
}

.campaign-logo {
    max-width: 250px;
    width: 100%;
    height: auto;
}

/* Campaign Description */
.campaign-description {
    width: 100%;
    max-width: 640px;
    margin-top: 40px;
}

.campaign-description span {
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.6;
    text-align: justify;

}

/* Right Content - Hero Image */
.right-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    height: auto;
}

/* Doctor Section */
.doctor-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background-image: url('../images/city-logo.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 80px;
    display: flex;
    align-items: center;
}

.doctor-container {
    display: flex;
    gap: 60px;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

/* Doctor Image Side */
.doctor-image-wrapper {
    flex: 0 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.doctor-image {
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
}

.doctor-info {
    margin-top: -50px;
    padding: 20px 30px;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
}

.doctor-name {
    font-size: 18px;
    font-weight: 900;
    color: #0060af;
    text-transform: uppercase;
    margin-bottom: 8px;
    -webkit-text-stroke: 5px rgba(255, 255, 255, 0.95);
    paint-order: stroke fill;
    filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.1));
}

.doctor-title {
    font-size: 14px;
    font-weight: 600;
    color: #0060af;
    display: block;
    line-height: 1.4;
    -webkit-text-stroke: 2px rgba(255, 255, 255, 0.95);
    paint-order: stroke fill;
    filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.1));
}

/* Doctor Content Side */
.doctor-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.quote-box {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.quote-bg {
    width: 100%;
    height: auto;
    display: block;
}

/* Hide mobile quote on desktop */
.quote-bg-mobile {
    display: none;
}

.quote-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 75%;
    font-size: 15px;
    font-weight: 800;
    color: white;
    line-height: 1.6;
    text-align: justify;
    display: block;
}

.read-more {
    font-style: italic;
    text-decoration: underline;
    cursor: pointer;
    margin-left: 5px;
}

/* Check Height Section */
.check-height-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.check-height-title {
    font-size: 20px;
    font-weight: 800;
    color: #0060af;
    text-align: center;
    max-width: 600px;
    line-height: 1.3;
}

.check-height-btn {
    position: relative;
    background-color: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: transform 0.3s ease;
    max-width: 320px;
    font-family: 'Montserrat', sans-serif;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.btn-bg {
    width: 100%;
    height: auto;
    display: block;
    pointer-events: none;
}

.check-height-btn span {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 15px;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    pointer-events: none;
}

.check-height-btn:hover {
    transform: scale(1.05);
}

.consultation-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    text-align: center;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    padding: 6px 8px;
}

.consultation-highlight {
    font-size: 20px;
    font-weight: 800;
    color: #c30300;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.consultation-subtitle {
    font-size: 15px;
    font-weight: 800;
    color: #e42b28;
    text-transform: uppercase;
}

/* Mobile-only line break - hidden on desktop */
.mobile-br {
    display: none;
}

/* Formula Section */
.formula-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(180deg, #b3e5fe 0%, #7ad0fa 100%);
    padding: 60px 80px;
}

.formula-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.formula-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.maxd-logo {
    max-width: 400px;
    height: auto;
}

.formula-title {
    font-size: 48px;
    font-weight: 900;
    color: #0060af;
    text-transform: uppercase;
}

.formula-subtitle {
    font-size: 22px;
    font-weight: 700;
    color: #0060af;
    text-align: justify;
    max-width: 1200px;
}

.formula-video-title {
    text-align: center;
    font-size: 25px;
    color: #0060af;
    font-weight: 800;
}

@media (min-width: 1200px) {
    .formula-video-title br:first-of-type {
        display: none;
    }
}

/* Formula Download CTA */
.formula-download-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 5px;
}

.formula-download-text {
    display: inline-block;
    font-size: 28px;
    font-weight: 900;
    color: #ff2a2a;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 10px 40px;
    border-radius: 10px;
    text-shadow: -3px -3px 0 #fff, 3px -3px 0 #fff, -3px 3px 0 #fff, 3px 3px 0 #fff, -4px 0px 0 #fff, 4px 0px 0 #fff, 0px -4px 0 #fff, 0px 4px 0 #fff;
    text-decoration: none;
}

.prize-buttons.download-btn {
    margin-top: 5px;
}

.formula-illustration {
    width: 100%;
    max-width: 1000px;
    margin: 20px 0;
}

.formula-illustration + .formula-header {
    margin-top: 40px;
}



.maxd-illustration {
    width: 100%;
    height: auto;
    display: block;
}

.formula-cards {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 40px;
    width: 100%;
    max-width: 1000px;
}

.formula-card {
    position: relative;
    flex: 1;
    min-width: 0;
}

#cardM {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.card-frame {
    position: relative;
    width: 100%;
}

.card-bg {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 1;
    pointer-events: none;
}

.card-thumb-container {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 86%;
    aspect-ratio: 16 / 11;
    overflow: hidden;
    z-index: 0;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.card-overlay .overlay-text {
    color: white;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    text-align: center;
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    padding: 10px;
}

.card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.card-btn-text {
    position: absolute;
    bottom: 6%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    white-space: nowrap;
    z-index: 3;
}

.card-letter {
    position: absolute;
    top: -2%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 32px;
    font-weight: 900;
    font-family: 'Montserrat', sans-serif;
    color: #0060af;
    z-index: 3;
    text-transform: uppercase;
}

/* Intro Section */
.intro-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 0 20px;
    background: linear-gradient(180deg, #b7e7fe 0%, #7dd1fa 100%);
}

.video-header {
    position: relative;
    width: 500px;
    /* height: 300px; */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* margin-bottom: 20px; */
}

#tintuc .video-header {
    width: 400px;
}

.header-border {
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
    z-index: 0;
}

.header-badge {
    position: absolute;
    top: 8%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.vitamin-header-badge {
    top: 12%;
}

.badge-text {
    display: block;
    font-size: 20px;
    font-weight: 900;
    color: #fdfdfd;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    line-height: 1.2;
}

.header-title {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 1;
    white-space: nowrap;
}

.vitamin-header-title {
    bottom: 11%;
}

.title-text {
    font-size: 35px;
    font-weight: 900;
    color: white;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.vitamin-d-text {
    color: #f12c30;
    text-shadow: 0 0 10px rgb(100 170 235 / 80%), 0 0 20px rgb(100 170 235 / 60%), 0 0 30px rgb(100 170 235 / 40%);
}

.header-logo {
    height: 50px;
    width: auto;
}

.header-description {
    font-size: 22px;
    font-weight: 700;
    color: #0060af;
    line-height: 1.6;
    margin: 0;
    text-align: justify;
    z-index: 1;
    max-width: 1200px;
}

#cuocthimaxddancegiadinh .header-description {
    font-size: 22px;
    font-weight: 700;
    color: #0060af;
    line-height: 1.6;
    margin: 0;
    text-align: center;
    z-index: 1;
    max-width: 1200px;
}

/* Vitamin Info Box */
.vitamin-info-box {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    background: linear-gradient(43deg, #0092e7 0%, #002c6d 100%);
    border-radius: 20px;
    padding: 30px;
    margin-top: 30px;
    width: 100%;
    max-width: 900px;
}

.vitamin-info-left {
    flex-shrink: 0;
    align-self: flex-start;
}

.vitamin-info-image {
    width: 280px;
    height: auto;
    border-radius: 15px;
}

.vitamin-special-border {
    border: 6px solid rgb(255 255 255 / 29%);
}

.vitamin-info-right {
    flex: 1;
    color: white;
}

.vitamin-info-title {
    font-size: 26px;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 15px 0;
    text-transform: uppercase;
}

.vitamin-info-text {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.8;
    margin: 0;
}

.vitamin-info-text .highlight-red {
    color: #f12c30;
    font-weight: 900;
    text-shadow: 0 0 10px rgb(100 170 235 / 80%), 0 0 20px rgb(100 170 235 / 60%), 0 0 30px rgb(100 170 235 / 40%);
}

/* Prize Highlight */
.prize-highlight {
    margin-top: 20px;
    padding: 0;
    text-align: center;
}

.prize-text {
    display: inline-block;
    font-size: 28px;
    font-weight: 900;
    color: #ff2a2a;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 10px 40px;
    border-radius: 10px;
    text-shadow:
        -3px -3px 0 #fff,
        3px -3px 0 #fff,
        -3px 3px 0 #fff,
        3px 3px 0 #fff,
        -4px 0px 0 #fff,
        4px 0px 0 #fff,
        0px -4px 0 #fff,
        0px 4px 0 #fff;
}

/* THỂ LỆ & ĐĂNG BÀI Buttons */
.prize-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    align-items: stretch;
    margin-top: 15px;
}

.the-le-btn,
.dang-bai-btn {
    position: relative;
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: transform 0.3s ease;
    width: auto;
    height: 50px;
    font-family: 'Montserrat', sans-serif;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.dang-bai-btn {
    display: none;
}

.the-le-btn:hover,
.dang-bai-btn:hover {
    transform: scale(1.05);
}

.the-le-btn-bg,
.dang-bai-btn-bg {
    width: auto;
    height: 100%;
    display: block;
    border-radius: 8px;
    pointer-events: none;
}

.the-le-btn-text,
.dang-bai-btn-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 15px;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
    pointer-events: none;
}

/* Summary Section */
.summary-license-section {
    min-height: 100svh;
    padding: 64px 40px 40px;
}

.summary-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 20px 24px;
    max-width: 760px;
    margin: 0 auto;
}

.summary-frame {
    position: relative;
    width: 100%;
    max-width: 760px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.summary-frame-bg {
    width: 100%;
    height: auto;
    display: block;
}

.summary-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    text-align: center;
}

.summary-text {
    font-size: 21px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.5px;
}

/* Licenses Section */
.licenses-container {
    display: flex;
    gap: 32px;
    max-width: 1060px;
    margin: 20px auto 0;
    padding: 0 20px;
    align-items: center;
}

.licenses-left {
    flex: 1 1 62%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.license-header-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: center;
}

.license-header-text span {
    font-size: 14px;
    font-weight: 800;
    color: #0060af;
    text-transform: uppercase;
    line-height: 1.2;
}

.license-logo {
    width: 100px;
    height: auto;
    align-self: center;
}

.license-text-wrapper {
    color: #0060af;
    text-align: center;
}

.license-title {
    font-size: 18px;
    font-weight: 700;
    color: #0060af;
    margin: 0 0 10px 0;
    text-transform: uppercase;
}

.license-product-name {
    font-size: 21px;
    font-weight: 900;
    color: #c30300;
    margin: 0 0 15px 0;
    text-shadow:
        -2px -2px 0 rgba(255, 255, 255, 0.6),
        2px -2px 0 rgba(255, 255, 255, 0.6),
        -2px 2px 0 rgba(255, 255, 255, 0.6),
        2px 2px 0 rgba(255, 255, 255, 0.6),
        -3px 0px 0 rgba(255, 255, 255, 0.6),
        3px 0px 0 rgba(255, 255, 255, 0.6),
        0px -3px 0 rgba(255, 255, 255, 0.6),
        0px 3px 0 rgba(255, 255, 255, 0.6);
}

.license-description {
    font-size: 16px;
    line-height: 1.6;
    color: #0060af;
    margin: 0 0 20px 0;
}

.license-description strong {
    font-weight: 900;
    color: #e63946;
}

.license-footer {
    font-size: 13px;
    line-height: 1.45;
    color: #0060af;
    margin: 0;
    margin-top: 10px;
    font-weight: 800;
}

.licenses-right {
    flex: 0 1 38%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.license-certificate {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgb(0 0 0 / 63%);
}

/* News Section */
.news-frame-container {
    position: relative;
    max-width: 1100px;
    margin: 20px auto;
    padding: 0 20px;
}

.news-frame-bg {
    width: 100%;
    height: auto;
    display: block;
}

.news-content-wrapper {
    position: absolute;
    top: 3%;
    left: 3%;
    right: 3%;
    bottom: 3%;
    display: flex;
    gap: 20px;
    padding: 20px;
}

.news-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
}

.news-main-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

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

.news-main-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    font-size: 25px;
    font-weight: 800;
    color: #ffffff;
    text-align: left;
    text-transform: uppercase;
    padding: 40px 15px 15px;
    background: linear-gradient(to top, #1467d5 0%, rgba(20, 103, 213, 0.7) 50%, transparent 100%);
    margin: 0;
    z-index: 2;
}

.news-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 15px;
}

.news-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.news-item-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.news-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.news-item-text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 35px 8px 8px;
    background: linear-gradient(to top, #1467d5 0%, rgba(20, 103, 213, 0.6) 50%, transparent 100%);
    z-index: 2;
}

.news-item-title {
    font-size: 14px;
    font-weight: 800;
    color: #ffffff;
    text-transform: uppercase;
}

.news-item-desc {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* News Text Content */
.news-text-content {
    max-width: 1200px;
    /* margin: 40px auto;
    padding: 0 40px; */
    display: flex;
    flex-direction: column;
}

.news-text-paragraph {
    font-size: 22px;
    font-weight: 800;
    color: #0060af;
    line-height: 1.8;
    display: block;
    text-align: justify;
}

/* Footer Section */
.footer-section {
    position: relative;
    width: 100%;
    background-color: #7ad0fa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.footer-bg {
    width: 100%;
    height: auto;
    display: block;
}

.footer-bg-mobile {
    display: none;
}

/* ============================================ */
/* THỂ LỆ Popup Modal */
/* ============================================ */
.the-le-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.the-le-overlay.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.the-le-popup {
    position: relative;
    width: 90%;
    max-width: 1100px;
    animation: popupSlideIn 0.4s ease;
}

@keyframes popupSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Close Button */
.the-le-close-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 10;
    transition: transform 0.3s ease;
    padding: 0;
}

.the-le-close-btn:hover {
    transform: scale(1.1);
}

.the-le-close-img {
    width: 50px;
    height: 50px;
    display: block;
}

/* Main Frame */
.the-le-frame {
    position: relative;
    width: 100%;
}

.the-le-frame-bg {
    width: 100%;
    height: auto;
    display: block;
}

.the-le-inner {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    padding: 3% 4%;
}

/* Header Row */
.the-le-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    flex-shrink: 0;
}

.the-le-logo-left {
    flex-shrink: 0;
}

.the-le-campaign-logo {
    height: 80px;
    width: auto;
    display: block;
}

.the-le-headline {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 410px;
    width: 100%;
    z-index: 5;
}

.the-le-headline-bg {
    width: 100%;
    height: auto;
    display: block;
}

.the-le-headline-text {
    position: absolute;
    top: 57%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 32px;
    font-weight: 900;
    color: white;
    text-transform: uppercase;
    letter-spacing: 2px;
    white-space: nowrap;
    text-shadow:
        -2px -2px 0 #003b7a,
        2px -2px 0 #003b7a,
        -2px 2px 0 #003b7a,
        2px 2px 0 #003b7a,
        -3px 0 0 #003b7a,
        3px 0 0 #003b7a,
        0 -3px 0 #003b7a,
        0 3px 0 #003b7a;
}

.the-le-logo-right {
    flex-shrink: 0;
}

.the-le-brand-logo {
    height: 70px;
    width: auto;
    display: block;
}

/* Content Area */
.the-le-content-wrapper {
    flex: 1;
    display: flex;
    gap: 15px;
    min-height: 0;
    overflow: hidden;
}

.the-le-content {
    flex: 1;
    background: linear-gradient(180deg, #003b7a 0%, #001f4d 100%);
    border-radius: 12px;
    padding: 25px 30px;
    overflow-y: auto;
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.8;
}

.the-le-content::-webkit-scrollbar {
    width: 0;
    display: none;
}

.the-le-placeholder {
    text-align: center;
    opacity: 0.7;
    font-size: 18px;
    margin-top: 40px;
}

/* Scroll Indicator */
.the-le-scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 45px;
    flex-shrink: 0;
    position: relative;
}

.the-le-scroll-track {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #87CEEB;
    border-radius: 2px;
    left: 50%;
    transform: translateX(-50%);
}

.the-le-scroll-btn {
    width: 40px;
    height: auto;
    display: block;
    cursor: pointer;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    transition: top 0.15s ease-out;
    z-index: 2;
}

.the-le-scroll-btn:hover {
    filter: brightness(1.15);
}

/* THỂ LỆ Content Typography */
.the-le-main-title {
    font-size: 20px;
    font-weight: 900;
    color: #ffc000;
    text-align: center;
    text-transform: uppercase;
    margin: 0 0 5px 0;
    letter-spacing: 1px;
}

.the-le-sub-title {
    font-size: 16px;
    font-weight: 700;
    color: #ffc000;
    text-align: center;
    margin: 0 0 20px 0;
}

.the-le-section-title {
    font-size: 17px;
    font-weight: 800;
    color: #ffc000;
    text-transform: uppercase;
    margin: 25px 0 10px 0;
}

.the-le-section-subtitle {
    font-size: 15px;
    font-weight: 700;
    color: #87CEEB;
    margin: 15px 0 8px 0;
}

.the-le-criteria-title {
    font-size: 15px;
    font-weight: 700;
    color: #87CEEB;
    margin: 15px 0 8px 0;
}

.the-le-content p {
    margin: 8px 0;
    font-size: 14px;
    line-height: 1.7;
}

.the-le-list {
    list-style: none;
    padding: 0;
    margin: 8px 0;
}

.the-le-list li {
    padding: 4px 0;
    font-size: 14px;
    line-height: 1.7;
}

.the-le-list li:has(> :first-child) {
    padding-left: 0;
}

.the-le-list li strong {
    color: #ffc000;
}

/* THỂ LỆ Table */
.the-le-table-wrapper {
    overflow-x: auto;
    margin: 10px 0;
    border-radius: 8px;
}

.the-le-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 600px;
}

.the-le-table th {
    background: #005cba;
    color: #ffc000;
    font-weight: 800;
    padding: 10px 12px;
    text-align: center;
    border: 1px solid rgba(135, 206, 235, 0.3);
    font-size: 12px;
    text-transform: uppercase;
}

.the-le-table td {
    padding: 10px 12px;
    border: 1px solid rgba(135, 206, 235, 0.2);
    vertical-align: top;
    line-height: 1.6;
    color: white;
}

.the-le-table tbody tr:nth-child(odd) {
    background: rgba(0, 92, 186, 0.3);
}

.the-le-table tbody tr:nth-child(even) {
    background: rgba(0, 92, 186, 0.3);
}

.the-le-table-total {
    background: #005cba !important;
}

.the-le-table-total td {
    font-weight: 500;
    color: #ffc000;
}

/* Notes */
.the-le-notes {
    margin: 15px 0;
    padding: 12px 15px;
    background: rgba(0, 92, 186, 0.3);
    border-left: 3px solid #ffc000;
    border-radius: 0 8px 8px 0;
}

.the-le-notes p {
    font-size: 13px;
    font-style: italic;
    color: rgba(255, 255, 255, 0.85);
    margin: 5px 0;
}

/* Invalid items */
.the-le-invalid li {
    color: #ff6b6b;
}

/* Fixed Check Height Button */
.check-height-btn-fixed {
    position: fixed;
    bottom: 30px;
    right: 30px;
    /* transform: translateX(-50%); */
    background-color: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-width: 280px;
    font-family: 'Montserrat', sans-serif;
    z-index: 1000;
    opacity: 1;
    visibility: visible;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.check-height-btn-fixed.hidden {
    opacity: 0;
    visibility: hidden;
}

.check-height-btn-fixed .btn-bg {
    width: 100%;
    height: auto;
    display: block;
    pointer-events: none;
}

.check-height-btn-fixed span {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    pointer-events: none;
}

.footer-content {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-main-logo {
    max-width: 300px;
    height: auto;
}

/* ============================================
   Video Popup Modal
   ============================================ */
.video-popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.534);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.video-popup-overlay.active {
    display: flex;
}

.video-popup-container {
    position: relative;
    width: 90%;
    max-width: 966px;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.video-popup-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10001;
    transition: transform 0.3s ease;
}

.video-popup-close:hover {
    transform: scale(1.1);
}

.video-popup-close svg {
    display: block;
}

.video-popup-content {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

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

/* Video Section */
.video-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 0 40px;
    background: #7ad0fa;
}

.player-wrapper {
    position: relative;
    width: min(918px, calc(100vw - 80px));
    aspect-ratio: 1583 / 868;
}

.player-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.player {
    position: absolute;
    top: 3.35%;
    right: 1.9%;
    bottom: 2.88%;
    left: 1.64%;
    border-radius: 0;
    overflow: hidden;
    background: #000;
    z-index: 1;
}

.player iframe {
    width: 100%;
    height: 105.6%;
    display: block;
    position: absolute;
    top: -2.8%;
    left: 0;
    z-index: 0;
}

.overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 60%, rgba(0, 150, 255, 0.5));
    pointer-events: none;
    border-radius: 0;
    overflow: hidden;
}

.player-bottom-controls {
    display: none !important;
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    align-items: end;
    gap: 20px;
    z-index: 2;
}

.controls {
    display: none;
    cursor: pointer;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.control-icon {
    width: 70px;
    height: auto;
    display: block;
}

.progress {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    width: 30%;
    height: 100%;
    background: gold;
}

.hearts-container {
    position: relative;
    flex-shrink: 0;
}

.love-icon {
    width: 60px;
    height: auto;
    display: block;
    position: relative;
    z-index: 2;
    cursor: pointer;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.love-icon:hover {
    transform: scale(1.15);
    filter: drop-shadow(0 0 15px rgba(255, 236, 241, 0.8)) drop-shadow(0 0 25px rgba(255, 50, 100, 0.6)) brightness(1.2);
}

.love-icon:active {
    transform: scale(1.25);
    filter: drop-shadow(0 0 20px rgba(255, 236, 241, 1)) drop-shadow(0 0 35px rgba(255, 50, 100, 0.8)) brightness(1.3);
}

.heart-fly-icon {
    position: absolute;
    width: 150px;
    height: auto;
    display: block;
    bottom: 78px;
    right: -52px;
    z-index: 3;
}

.contest-info {
    text-align: center;
    max-width: 900px;
    margin: 40px auto 10px;
    padding: 0 20px;
}

.contest-title {
    font-size: 25px;
    font-weight: 800;
    color: #0060af;
    text-transform: uppercase;
    margin-bottom: 15px;
    line-height: 1.3;
}

.contest-description {
    font-size: 18px;
    font-weight: 600;
    color: #0060af;
    line-height: 1.6;
    text-align: center;
}

.button-wrapper {
    display: flex;
    flex-direction: row;
    gap: 12px;
    align-items: center;
    margin-top: 20px;
}

/* Slide Section */
.slide-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
    background: linear-gradient(180deg, #8cd7fb 0%, #b7e7fe 100%);
    overflow: hidden;
}

#cuocthimaxddance {
    background: linear-gradient(180deg, #8cd7fb 0%, #98deff 100%);
}


.slide-intro-header {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 0 40px;
    width: 100%;
}

.slide-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
}

.schoolSwiper {
    width: 100%;
    padding: 40px 0 80px !important;
    position: relative;
}

.swiper-wrapper {
    align-items: center;
}

.swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(0.85);
    /* opacity: 0.7; */
}

.swiper-slide-active {
    transform: scale(1.2) !important;
    opacity: 1 !important;
    z-index: 10;
}

.slide-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    width: 100%;
}

.slide-header {
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-title {
    font-size: 20px;
    font-weight: 900;
    color: #0060af;
    text-transform: uppercase;
    text-align: center;
    letter-spacing: 0.5px;
}

.slide-image-wrapper {
    width: 100%;
    max-width: 400px;
    height: 280px;
    position: relative;
    transition: all 0.4s ease;
    border-radius: 8px;
    padding: 8px;
    background: linear-gradient(180deg, #b3edff 0%, #4fd1f3 100%);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 4px;
}

.swiper-slide-active .slide-image-wrapper {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: linear-gradient(180deg, #a0e0ff 0%, #3ebfe0 100%);
}

.slide-vote-btn {
    position: relative;
    background-color: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: transform 0.3s ease;
    max-width: 220px;
    width: 100%;
    font-family: 'Montserrat', sans-serif;
    margin-top: -44px;
    z-index: 5;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.vote-btn-bg {
    width: 100%;
    height: auto;
    display: block;
    pointer-events: none;
}

.vote-btn-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 13px;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    pointer-events: none;
}

.slide-vote-btn:hover {
    transform: scale(1.05);
}

.slide-vote-btn:active {
    transform: scale(0.98);
}

/* Swiper Navigation Buttons */
.swiper-button-next,
.swiper-button-prev {
    display: none;
}

/* Swiper Pagination */
.swiper-pagination {
    display: none;
}

/* View All Button */
/* View All Text */
.view-all-text {
    font-size: 18px;
    font-weight: 800;
    color: #0060af;
    text-align: center;
    margin: 30px auto 0;
    font-family: 'Montserrat', sans-serif;
    text-shadow: -3px -3px 0 #fff, 3px -3px 0 #fff, -3px 3px 0 #fff, 3px 3px 0 #fff, -4px 0px 0 #fff, 4px 0px 0 #fff, 0px -4px 0 #fff, 0px 4px 0 #fff;
}

.view-all-link {
    color: #ff2a2a;
    font-weight: 900;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: opacity 0.3s ease;
}

.view-all-link:hover {
    opacity: 0.8;
}

/* ============================================
   Slide Kid Section - 3D Circular Carousel
   ============================================ */
.slide-kid-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #c9e4f5;
    background-image: url('../images/bg-kid-swiper.png');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    overflow-x: hidden;
    padding: 200px 0 80px;
}

.slide-kid-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    position: relative;
    padding: 0 80px;
}

/* ============================================
   Coming Soon Overlay
   ============================================ */
.coming-soon-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.coming-soon-content {
    text-align: center;
    padding: 20px;
}

.coming-soon-text {
    color: white;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.5;
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* ============================================ */
/* School 3D Carousel */
/* ============================================ */
.school-3d-viewport {
    width: 100%;
    height: 520px;
    position: relative;
    perspective: 1200px;
    perspective-origin: 50% 50%;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
    overflow: hidden;
}

.school-3d-viewport:active {
    cursor: grabbing;
}

.school-3d-scene {
    width: 280px;
    height: 280px;
    position: relative;
    transform-style: preserve-3d;
}

.school-3d-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transform: rotateY(0deg);
}

.school-3d-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 280px;
    height: auto;
    transition: opacity 0.4s ease, filter 0.4s ease;
    cursor: pointer;
    transform-style: preserve-3d;
}

.school-3d-item.is-active {
    z-index: 10;
}

.school-3d-item .slide-item {
    transition: transform 0.6s ease, opacity 0.4s ease, filter 0.4s ease;
}

.school-3d-item .slide-image-wrapper {
    aspect-ratio: 825 / 454;
    height: auto;
    max-width: 100%;
}

.school-3d-item .slide-title {
    font-size: 12px;
}

.school-3d-item .slide-vote-btn {
    transform: scale(0.7);
    margin-top: -35px;
}

/* School 3D Navigation */
.school-3d-nav {
    position: absolute;
    width: 100%;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 20;
    pointer-events: none;
}

.school-3d-prev,
.school-3d-next {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    pointer-events: all;
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0.8;
}

.school-3d-prev .nav-icon,
.school-3d-next .nav-icon {
    width: 40px;
    height: auto;
    display: block;
}

.school-3d-prev:hover,
.school-3d-next:hover {
    transform: scale(1.2);
    opacity: 1;
}

/* Hidden dummy swiper - just captures touch events */
.kidSwiper-dummy {
    position: absolute;
    inset: 0;
    z-index: 5;
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
}

/* 3D Viewport - the perspective container */
.carousel-3d-viewport {
    width: 100%;
    height: 420px;
    position: relative;
    perspective: 1200px;
    perspective-origin: 50% 50%;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-3d-viewport:active {
    cursor: grabbing;
}

/* 3D Scene - centers the ring */
.carousel-3d-scene {
    width: 200px;
    height: 280px;
    position: relative;
    transform-style: preserve-3d;
}

/* The ring that holds all items and rotates as a whole */
.carousel-3d-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transform: rotateY(0deg);
}

/* Each carousel item positioned around the ring */
.carousel-3d-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 200px;
    height: auto;
    transition: opacity 0.4s ease, filter 0.4s ease;
    cursor: pointer;
    transform-style: preserve-3d;
}

.carousel-3d-item.is-active {
    z-index: 10;
}

/* Kid slide content inside each carousel item */
.kid-slide-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: 100%;
    position: relative;
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.kid-slide-header {
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.kid-slide-title {
    font-size: 16px;
    font-weight: 900;
    color: #0060af;
    text-transform: uppercase;
    text-align: center;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    line-height: 1.4;
    padding-top: 4px;
}

.carousel-3d-item.is-active .kid-slide-title {
    color: #0d3b6b;
    text-shadow: 0 2px 8px rgba(30, 92, 153, 0.3);
    font-size: 18px;
}

.kid-slide-image-wrapper {
    width: 100%;
    max-width: 100%;
    height: auto;
    position: relative;
    transition: all 0.3s ease;
}

.kid-slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.kid-vote-btn-text {
    position: absolute;
    bottom: 8%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 7px;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: white;
    text-transform: uppercase;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.kid-slide-image-wrapper:hover {
    transform: scale(1.05);
}

.kid-slide-image-wrapper:active {
    transform: scale(0.98);
}

/* 3D Carousel Navigation Buttons */
.carousel-3d-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 20;
    padding: 0 10px;
}

.carousel-3d-prev,
.carousel-3d-next {
    width: 50px;
    height: 50px;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    padding: 0;
    pointer-events: auto;
}

.carousel-3d-prev .nav-icon,
.carousel-3d-next .nav-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.carousel-3d-prev:hover,
.carousel-3d-next:hover {
    transform: scale(1.15);
    filter: brightness(1.15);
}

.carousel-3d-prev:active,
.carousel-3d-next:active {
    transform: scale(0.95);
}

/* Kid View All Button */
.kid-view-all-btn {
    position: relative;
    background-color: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: transform 0.3s ease;
    max-width: 320px;
    width: 100%;
    margin: 40px auto 0;
    display: block;
    font-family: 'Montserrat', sans-serif;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.kid-view-all-btn-bg {
    width: 100%;
    height: auto;
    display: block;
    pointer-events: none;
}

.kid-view-all-btn-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 15px;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    pointer-events: none;
}

.kid-view-all-btn:hover {
    transform: scale(1.05);
}

.kid-view-all-btn:active {
    transform: scale(0.98);
}

.vitamin-header-text {
    font-size: 24px;
}

.vitamin-title-text {
    font-size: 23px;
}

/* Responsive Design */
@media (max-width: 1600px) {
    .left-content {
        margin-top: 1.5em;
    }
}

@media (max-width: 1440px) and (min-width: 1200px) {
    .doctor-section {
        min-height: 100vh;
        padding: 92px 48px 36px;
    }

    .doctor-container {
        max-width: 1180px;
        gap: 36px;
    }

    .doctor-image-wrapper {
        flex: 0 0 clamp(330px, 27vw, 380px);
        max-width: 380px;
    }

    .doctor-image {
        max-width: clamp(320px, 26vw, 370px);
    }

    .doctor-info {
        margin-top: -42px;
        padding: 14px 10px;
        max-width: 380px;
    }

    .doctor-name {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .doctor-title {
        font-size: 12px;
        line-height: 1.35;
    }

    .doctor-content {
        gap: 18px;
    }

    .quote-box {
        max-width: 560px;
    }

    .quote-text {
        font-size: 15px;
        line-height: 1.45;
        width: 76%;
    }

    .check-height-section {
        gap: 14px;
    }

    .check-height-title {
        font-size: 21px;
        max-width: 540px;
    }

    .check-height-btn {
        max-width: 290px;
    }

    .consultation-highlight {
        font-size: 24px;
    }

    .consultation-subtitle {
        font-size: 13px;
    }

    .logo-label span {
        font-size: 15px;
        line-height: 1.15;
    }

    .supporter-footer-text {
        font-size: 12px;
    }

    .supporter-logo {
        max-width: 62px;
    }

    .brand-logo {
        max-width: 84px;
    }

    .campaign-logo {
        max-width: 220px;
        width: 100%;
        height: auto;
    }

    .supporter-section,
    .campaign-description {
        width: 520px;
        max-width: 100%;
    }

    .main-logo {
        max-width: 230px;
        height: auto;
    }

    .nav-btn {
        font-size: 10px;

    }

    .header-description {
        font-size: 20px;
        max-width: 1000px;
    }

    .formula-subtitle {
        font-size: 20px;
        max-width: 1000px;
    }

    .formula-download-text {
        font-size: 24px;
        padding: 8px 30px;
    }

    .formula-illustration {
        max-width: 900px;
        max-width: min(900px, 90vw);
        margin: 50px auto 0;
    }

    .formula-illustration + .formula-header {
        margin-top: 56px;
    }

    #cuocthimaxddancegiadinh .header-description {
        font-size: 20px;
        max-width: 1000px;
    }

    .news-text-content {
        max-width: 1000px;
    }

    #vudieumaxd.intro-section {
        min-height: 100svh;
        padding: 92px 48px 44px;
    }

    #vudieumaxd .video-header {
        width: 430px;
        margin-bottom: 40px;
    }

    #vudieumaxd .badge-text {
        font-size: 17px;
    }

    #vudieumaxd .title-text {
        font-size: 30px;
    }

    #vudieumaxd .header-logo {
        height: 44px;
    }

    #vudieumaxd .header-description {
        max-width: 1040px;
        font-size: 18px;
        line-height: 1.45;
    }

    .video-section {
        min-height: 100svh;
        padding: 88px 48px 36px;
    }

    .video-section .player-wrapper {
        width: min(820px, 58vw);
    }

    .contest-info {
        max-width: 820px;
        margin: 22px auto 8px;
        padding: 0;
    }

    .contest-title {
        font-size: 22px;
        margin-bottom: 8px;
        line-height: 1.2;
    }

    .contest-description {
        font-size: 16px;
        line-height: 1.45;
    }

    .video-section .button-wrapper {
        margin-top: 14px;
    }

    .video-section .the-le-btn {
        height: 44px;
    }

    .video-section .the-le-btn-text {
        font-size: 13px;
    }

    .summary-license-section {
        min-height: 100svh;
        padding: 86px 48px 28px;
    }

    .summary-license-section .summary-container {
        max-width: 560px;
        padding: 0 16px 8px;
    }

    .summary-license-section .summary-frame {
        max-width: 560px;
    }

    .summary-license-section .summary-text {
        font-size: 16px;
    }

    .summary-license-section .licenses-container {
        display: grid;
        grid-template-columns: minmax(0, 430px) 260px;
        justify-content: center;
        max-width: 900px;
        gap: 52px;
        margin-top: 0;
        padding: 0;
    }

    .summary-license-section .licenses-left {
        gap: 12px;
        width: 100%;
    }

    .summary-license-section .licenses-right {
        width: 100%;
    }

    .summary-license-section .license-logo {
        width: 72px;
    }

    .summary-license-section .license-product-name {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .summary-license-section .license-footer {
        font-size: 10.5px;
        line-height: 1.32;
        margin-top: 6px;
    }

    .summary-license-section .license-certificate {
        max-width: 250px;
    }
}

@media (max-width: 1600px) and (min-width: 1200px) {
    .summary-license-section {
        min-height: 100svh;
        padding: 86px 48px 28px;
    }

    .summary-license-section .summary-container {
        max-width: 560px;
        padding: 0 16px 8px;
    }

    .summary-license-section .summary-frame {
        max-width: 450px;
    }

    .summary-license-section .summary-text {
        font-size: 16px;
    }

    .summary-license-section .licenses-container {
        display: grid;
        grid-template-columns: minmax(0, 430px) 260px;
        justify-content: center;
        max-width: 900px;
        gap: 52px;
        margin-top: 0;
        padding: 0;
    }

    .summary-license-section .licenses-left {
        gap: 12px;
        width: 100%;
    }

    .summary-license-section .licenses-right {
        width: 100%;
    }

    .summary-license-section .license-logo {
        width: 72px;
    }

    .summary-license-section .license-product-name {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .summary-license-section .license-footer {
        font-size: 10.5px;
        line-height: 1.32;
        margin-top: 6px;
    }

    .summary-license-section .license-certificate {
        max-width: 250px;
    }
}

@media (max-width: 1199.98px) {
    .hero-section {
        padding: 20px 20px;
    }

    .desktop-nav {
        display: none !important;
    }

    .mobile-nav-bar {
        display: flex !important;
    }

    .hero-content {
        flex-direction: column;
        align-items: center;
    }

    .left-content {
        max-width: 100%;
        text-align: center;
    }

    .supporter-section {
        max-width: 100%;
    }

    .supporter-grid {
        display: flex;
        padding: 25px 30px;
        gap: 20px;
    }


    .supporter-text-row {
        gap: 40px;
    }

    .divider-x {
        font-size: 40px;
    }

    .logo-label span {
        font-size: 13px;
        line-height: 1.15;
    }

    .supporter-logo {
        max-width: 110px;
    }

    .brand-logo {
        max-width: 170px;
    }

    .supporter-footer-text {
        font-size: 14px;
    }

    .campaign-logo {
        max-width: 320px;
    }

    .campaign-description {
        max-width: 100%;
    }

    .doctor-container {
        flex-direction: column;
    }

    .doctor-image {
        max-width: 350px;
    }

    .formula-illustration {
        max-width: 760px;
        max-width: min(760px, 92vw);
        margin: 70px auto 0;
    }

    .formula-illustration + .formula-header {
        margin-top: 48px;
    }

    .formula-cards {
        flex-wrap: wrap;
    }

    .formula-card {
        flex: 0 0 calc(50% - 20px);
    }

    .the-le-popup {
        width: 95%;
        max-width: 900px;
    }

    .the-le-campaign-logo {
        height: 60px;
    }

    .the-le-brand-logo {
        height: 55px;
    }

    .the-le-headline {
        max-width: 320px;
    }

    .the-le-headline-text {
        font-size: 24px;
    }

    .the-le-content {
        font-size: 13px;
        padding: 20px;
    }
}

@media (max-width: 1199.98px) and (min-width: 769px) {
    .supporter-section,
    .campaign-description {
        width: min(640px, 100%);
        max-width: 100%;
    }

    .supporter-grid {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
        align-items: center;
        gap: 24px;
        padding: 0;
        width: 100%;
    }

    .supporter-logos-row,
    .supporter-text-row {
        gap: 10px;
    }

    .supporter-logo {
        max-width: 66px;
    }

    .brand-logo {
        max-width: 90px;
    }

    .divider-x {
        font-size: 24px;
    }

    .logo-label {
        min-height: 44px;
    }

    .logo-label span {
        font-size: 16px;
        line-height: 1.15;
    }

    .supporter-footer {
        margin-top: 18px;
    }

    .supporter-footer-text {
        font-size: 14px;
    }

    .campaign-logo {
        max-width: 250px;
    }

    .campaign-description {
        margin-top: 28px;
    }

    .campaign-description span {
        font-size: 15px;
        line-height: 1.55;
    }
}

@media (max-width: 768px) {
    .block-important {
        display: block !important;
    }

    /* === THỂ LỆ POPUP MOBILE === */
    .the-le-overlay {
        align-items: stretch;
        padding: 10px;
    }

    .the-le-popup {
        width: 100%;
        max-width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .the-le-frame {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0;
    }

    .the-le-frame-bg {
        display: none;
    }

    .the-le-inner {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
        flex: 1;
        padding: 15px;
        background: linear-gradient(135deg, #003b7a 0%, #001f4d 100%);
        border-radius: 16px;
        border: 3px solid #87CEEB;
        min-height: 0;
        overflow: hidden;
    }

    .the-le-header {
        margin-bottom: 8px;
    }

    .the-le-campaign-logo {
        height: 40px;
    }

    .the-le-headline {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        max-width: 200px;
        margin: 0 auto;
    }

    .the-le-headline-text {
        font-size: 16px;
        letter-spacing: 1px;
    }

    .the-le-brand-logo {
        height: 40px;
    }

    .the-le-content-wrapper {
        flex: 1;
        min-height: 0;
        overflow: hidden;
    }

    .the-le-scroll-indicator {
        display: none;
    }

    .the-le-content {
        font-size: 12px;
        padding: 12px;
        line-height: 1.6;
        border-radius: 8px;
    }

    .the-le-main-title {
        font-size: 15px;
    }

    .the-le-sub-title {
        font-size: 13px;
        margin-bottom: 12px;
    }

    .the-le-section-title {
        font-size: 14px;
        margin: 15px 0 8px;
    }

    .the-le-section-subtitle,
    .the-le-criteria-title {
        font-size: 12px;
    }

    .the-le-content p {
        font-size: 12px;
        line-height: 1.6;
    }

    .the-le-list li {
        font-size: 12px;
        line-height: 1.6;
    }

    .the-le-table {
        font-size: 11px;
        min-width: 500px;
    }

    .the-le-table th {
        padding: 6px 8px;
        font-size: 10px;
    }

    .the-le-table td {
        padding: 6px 8px;
        font-size: 11px;
    }

    .the-le-close-btn {
        top: -8px;
        right: -8px;
    }

    .the-le-close-img {
        width: 36px;
        height: 36px;
    }

    .the-le-notes {
        padding: 8px 10px;
    }

    .the-le-notes p {
        font-size: 11px;
    }

    /* === HERO SECTION === */
    .hero-section {
        padding: 15px 16px;
        min-height: auto;
        background-image: url('../images/dmax-footer-bg-mobile.jpg');
        background-size: cover;
        background-position: center bottom;
    }

    /* Hide desktop nav, show mobile nav bar */
    .desktop-nav {
        display: none !important;
    }

    .mobile-nav-bar {
        display: flex !important;
    }

    .hero-content {
        flex-direction: column;
        align-items: center;
        margin-top: 20px;
        gap: 20px;
    }

    .left-content {
        max-width: 100%;
        text-align: center;
        align-items: center;
        margin-left: 0;
    }

    .campaign-title {
        font-size: 16px;
    }

    .campaign-subtitle {
        font-size: 22px;
        margin-bottom: 5px;
    }

    .campaign-tagline {
        font-size: 12px;
        margin-bottom: 15px;
    }

    .supporter-section {
        margin-top: 5px;
    }

    .supporter-grid {
        display: flex;
        padding: 20px 16px;
        gap: 15px;
    }

    .supporter-logos-row {
        gap: 20px;
        flex-wrap: wrap;
    }

    .supporter-text-row {
        gap: 15px;
        align-items: center;
    }

    .divider-x {
        font-size: 20px;
    }

    .logo-label span {
        font-size: 10px;
        line-height: 1.15;
    }

    .supporter-logo {
        max-width: 70px;
    }

    .brand-logo {
        max-width: 100px;
    }

    .supporter-footer {
        gap: 10px;
        margin-top: 5px;
    }

    .supporter-footer-text {
        font-size: 11px;
    }

    .campaign-logo {
        max-width: 220px;
    }

    .campaign-description {
        padding: 10px 16px;
        margin-top: 15px;
    }

    .campaign-description span {
        font-size: 11px;
        line-height: 1.5;
    }

    .right-content {
        display: none;
    }

    /* === DOCTOR SECTION === */
    .doctor-section {
        padding: 30px 16px 60px;
        min-height: auto;
        background-image: url('../images/bg-doctor.jpg');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .doctor-container {
        flex-direction: column;
        gap: 20px;
    }

    .doctor-image-wrapper {
        align-items: center;
    }

    .doctor-image {
        max-width: 220px;
    }

    .doctor-info {
        margin-top: -45px;
        padding: 10px 16px;
        z-index: 2;
    }

    .doctor-name {
        font-size: 14px;
        margin-bottom: 4px;
    }

    .doctor-title {
        font-size: 11px;
    }

    .doctor-content {
        gap: 15px;
    }

    .quote-box {
        max-width: 100%;
        margin-top: -35px;
    }

    .quote-bg-desktop {
        display: none;
    }

    .quote-bg-mobile {
        display: block;
    }

    .quote-text {
        font-size: 13px;
        width: 80%;
        line-height: 1.4;
    }

    .check-height-section {
        gap: 12px;
    }

    .check-height-title {
        font-size: 15px;
        max-width: 100%;
    }

    .check-height-btn {
        max-width: 250px;
    }

    .check-height-btn span {
        font-size: 12px;
    }

    .consultation-highlight {
        font-size: 16px;
    }

    .consultation-subtitle {
        font-size: 10px;
    }

    .mobile-br {
        display: inline;
    }

    /* === FORMULA SECTION === */
    .formula-section {
        padding: 30px 16px;
        min-height: auto;
    }

    .formula-container {
        gap: 20px;
    }

    .formula-header {
        gap: 8px;
    }

    .formula-title {
        font-size: 28px;
    }

    .maxd-logo {
        max-width: 200px;
    }

    .formula-video-title {
        font-size: 19px;
    }

    .formula-subtitle {
        font-size: 14px;
    }

    .formula-download-text {
        font-size: 18px;
        padding: 6px 20px;
        text-shadow: -2px -2px 0 #fff, 2px -2px 0 #fff, -2px 2px 0 #fff, 2px 2px 0 #fff, -3px 0px 0 #fff, 3px 0px 0 #fff, 0px -3px 0 #fff, 0px 3px 0 #fff;
    }

    .prize-buttons.download-btn .the-le-btn {
        height: 40px;
    }

    .formula-illustration {
        margin: 10px auto;
    }

    .formula-cards {
        flex-wrap: wrap;
        gap: 12px;
        max-width: 100%;
    }

    .formula-card {
        flex: 0 0 calc(50% - 6px);
        min-width: 0;
    }

    .card-letter {
        font-size: 20px;
    }

    .card-btn-text {
        font-size: 8px;
    }

    .card-overlay .overlay-text {
        font-size: 13px;
    }

    /* === INTRO SECTION (Video intro, Slide intro, Vitamin intro) === */
    .intro-section {
        padding: 55px 16px 25px;
    }

    .video-header {
        width: 280px;
    }

    .badge-text {
        font-size: 13px;
    }

    .title-text {
        font-size: 20px;
    }

    .header-logo {
        height: 30px;
    }

    .header-description {
        font-size: 13px;
        line-height: 1.4;
        padding: 0 10px;
    }

    .header-description br {
        display: none;
    }

    .vitamin-header-text {
        font-size: 16px;
    }

    .vitamin-title-text {
        font-size: 11.5px;
    }

    /* === VIDEO SECTION === */
    .video-section {
        padding: 0px 16px 70px;
    }

    .player-wrapper {
        width: 100%;
    }

    .player iframe {
        height: 105.6%;
    }

    .player-bottom-controls {
        bottom: 10px;
        left: 10px;
        right: 10px;
        gap: 10px;
    }

    .control-icon {
        width: 32px;
        height: 32px;
    }

    .contest-info {
        margin: 30px auto 10px;
        padding: 0;
    }

    .contest-title {
        font-size: 20px;
        margin-bottom: 10px;
        letter-spacing: 0.5px;
    }

    .contest-description {
        font-size: 14px;
        line-height: 1.5;
        padding: 0 5px;
    }

    .button-wrapper {
        flex-direction: column;
        gap: 15px;
        margin-top: 20px;
        width: 100%;
        align-items: center;
    }

    .love-icon {
        width: 35px;
    }

    .heart-fly-icon {
        width: 80px;
        bottom: 50px;
        right: -30px;
    }

    /* === SLIDE SECTION (School Swiper) === */
    .slide-section {
        padding: 30px 0;
    }

    .slide-intro-header {
        padding: 0 16px 20px;
    }

    .slide-container {
        padding: 0 16px;
    }

    .schoolSwiper {
        padding: 20px 0 50px !important;
    }

    .swiper-slide {
        transform: scale(0.9);
    }

    .swiper-slide-active {
        transform: scale(1) !important;
    }

    .slide-image-wrapper {
        max-width: 100%;
        height: 180px;
        padding: 3px;
        border-radius: 4px;
    }

    .slide-title {
        font-size: 13px;
    }

    .slide-header {
        min-height: 30px;
    }

    .slide-vote-btn {
        max-width: 160px;
        margin-top: -30px;
    }

    .vote-btn-text {
        font-size: 10px;
    }

    .view-all-text {
        font-size: 14px;
        margin: 15px auto 0;
        text-shadow: -2px -2px 0 #fff, 2px -2px 0 #fff, -2px 2px 0 #fff, 2px 2px 0 #fff, -3px 0px 0 #fff, 3px 0px 0 #fff, 0px -3px 0 #fff, 0px 3px 0 #fff;
    }

    /* === PRIZE HIGHLIGHT === */
    .prize-highlight {
        margin-top: 10px;
    }

    .prize-text {
        font-size: 16px;
        padding: 6px 20px;
    }

    /* === SLIDE KID SECTION - 3D Carousel Mobile === */
    .slide-kid-section {
        padding: 0px 0 40px;
        overflow: hidden;
    }

    .slide-kid-container {
        width: 100%;
        padding: 0 40px;
    }

    .carousel-3d-viewport {
        perspective: 800px;
        height: 320px;
    }

    .carousel-3d-scene {
        width: 120px;
        height: 180px;
    }

    .carousel-3d-ring {
        width: 120px;
        height: 180px;
    }

    .carousel-3d-item {
        width: 120px;
        height: auto;
    }

    .kid-slide-title {
        font-size: 12px;
        line-height: 1.6;
        padding-top: 12px;
    }

    .carousel-3d-item.is-active .kid-slide-title {
        font-size: 14px;
    }

    .kid-slide-header {
        min-height: 36px;
        overflow: visible;
    }

    .kid-vote-btn-text {
        font-size: 6px;
    }

    .carousel-3d-item.is-active .kid-vote-btn-text {
        font-size: 6px;
    }

    .carousel-3d-prev,
    .carousel-3d-next {
        width: 36px;
        height: 36px;
    }

    /* === SCHOOL 3D Carousel Mobile === */
    .slide-section {
        overflow: hidden;
    }

    .school-3d-nav {
        top: 10%;
        transform: translateY(-50%);
        padding: 0 10px;
    }

    .school-3d-viewport {
        perspective: 800px;
        height: 300px;
        padding: 20px 0;
        overflow: visible;
    }

    .school-3d-scene {
        width: 160px;
        height: 180px;
    }

    .school-3d-ring {
        width: 160px;
        height: 180px;
    }

    .school-3d-item {
        width: 160px;
        height: auto;
    }

    .school-3d-item .slide-title {
        font-size: 10px;
    }

    .school-3d-item .slide-vote-btn {
        transform: scale(0.5);
        margin-top: -30px;
    }

    .school-3d-prev,
    .school-3d-next {
        padding: 5px;
    }

    .school-3d-prev .nav-icon,
    .school-3d-next .nav-icon {
        width: 30px;
    }

    .view-all-text {
        font-size: 12px;
        margin: 10px auto 0;
        text-shadow: -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff, 1px 1px 0 #fff, -2px 0px 0 #fff, 2px 0px 0 #fff, 0px -2px 0 #fff, 0px 2px 0 #fff;
    }

    /* === VITAMIN INFO BOXES === */
    .vitamin-info-box {
        flex-direction: column;
        gap: 15px;
        padding: 15px 30px;
        margin-top: 20px;
        border-radius: 14px;
        max-width: 100%;
        width: 90%;
        align-items: flex-start;
    }

    .vitamin-info-left {
        flex-shrink: 0;
        align-self: center;
        width: 100%;
    }

    .vitamin-info-image {
        width: 100%;
        max-width: 100%;
        border-radius: 10px;
    }

    .vitamin-info-title {
        font-size: 16px;
        margin: 0 0 8px 0;
    }

    .vitamin-info-text {
        font-size: 12px;
        line-height: 1.6;
    }

    /* === SUMMARY SECTION === */
    .summary-license-section {
        min-height: auto;
        padding: 30px 16px;
    }

    .summary-container {
        padding: 30px 16px 20px;
    }

    .summary-text {
        font-size: 23px;
    }

    /* === LICENSES SECTION === */
    .licenses-container {
        flex-direction: column;
        gap: 20px;
        padding: 0 16px;
        margin: 20px auto;
    }

    .license-header-text span {
        font-size: 14px;
    }

    .license-logo {
        width: 80px;
    }

    .license-product-name {
        font-size: 16px;
    }

    .license-footer {
        font-size: 11px;
    }

    .license-footer br {
        display: none;
    }

    .license-certificate {
        max-width: 100%;
    }

    /* === NEWS SECTION === */
    .news-frame-container {
        margin: 20px auto;
        padding: 0 16px;
    }

    .news-frame-bg {
        display: none;
    }

    .news-content-wrapper {
        position: relative;
        flex-direction: column;
        gap: 15px;
        padding: 16px;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
        background: linear-gradient(180deg, #ff0600 0%, #8f0501 100%);
        border-radius: 16px;
    }

    .news-main-title {
        font-size: 24px;
        padding: 60px 15px 15px;
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .news-item {
        gap: 5px;
    }

    .news-item-image {
        height: 120px;
    }

    .news-item-title {
        font-size: 12px;
    }

    .news-item-desc {
        font-size: 10px;
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }

    .news-text-content {
        padding: 0 16px;
    }

    .news-text-paragraph {
        font-size: 12px;
        line-height: 1.4;
    }

    /* === FOOTER === */
    .footer-section {
        overflow: hidden;
    }

    .footer-bg-desktop {
        display: none;
    }

    .footer-bg-mobile {
        display: block;
    }

    /* === FIXED BUTTON === */
    .check-height-btn-fixed {
        max-width: 200px;
        bottom: 10px;
        left: 50%;
        transform: translateX(-50%);
    }

    .check-height-btn-fixed span {
        font-size: 11px;
    }

    /* === VIDEO POPUP MOBILE === */
    .video-popup-container {
        width: 95%;
    }

    .video-popup-close {
        top: -45px;
    }

    .video-popup-close svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 12px 12px;
        height: 100svh;
    }

    .hero-content {
        flex-direction: column;
        align-items: center;
        margin-top: 10px;
        gap: 10px;
    }

    .logo-label span {
        -webkit-text-stroke: 2px rgba(255, 255, 255, 0.95);
    }

    .supporter-grid {
        padding: 10px 16px 5px;
        gap: 5px;
    }

    .supporter-logos-row {
        gap: 10px;
        flex-wrap: wrap;
    }

    .campaign-description {
        padding: 0;
        margin-top: 5px;
        line-height: 1.1;
    }

    .mobile-nav-logo {
        max-width: 100px;
        height: auto;
    }

    #cuocthimaxddancegiadinh .header-description {
        font-size: 11px;
        font-weight: 700;
        color: #0060af;
        line-height: 1.6;
        margin: 0;
        text-align: center;
        z-index: 1;
        overflow: hidden;
    }

    .main-logo {
        max-width: 150px;
    }

    .logo-label {
        gap: 0px;
    }

    .campaign-title {
        font-size: 14px;
    }

    .campaign-subtitle {
        font-size: 20px;
    }

    .campaign-tagline {
        font-size: 10px;
        margin-bottom: 10px;
    }

    .supporter-logo {
        max-width: 60px;
    }

    .brand-logo {
        max-width: 75px;
    }

    .logo-label span {
        font-size: 11px;
        line-height: 1.15;
    }

    .divider-x {
        font-size: 14px;
    }

    .supporter-footer-text {
        font-size: 13px;
    }

    .campaign-logo {
        max-width: 180px;
    }

    .campaign-description span {
        font-size: 12px;
    }

    .doctor-name {
        font-size: 12px;
    }

    .doctor-title {
        font-size: 10px;
    }

    .quote-text {
        font-size: 11px;
        padding-top: 30px;
    }

    .check-height-title {
        font-size: 13px;
    }

    .consultation-text {
        background: rgba(255, 255, 255, 0.5);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        border-radius: 12px;
        padding: 6px 8px;
    }

    .consultation-highlight {
        font-size: 18px;
    }

    .consultation-subtitle {
        font-size: 12px;
    }

    .formula-title {
        font-size: 24px;
    }

    .maxd-logo {
        max-width: 160px;
    }

    .formula-subtitle {
        font-size: 12px;
    }

    .formula-download-text {
        font-size: 14px;
        padding: 5px 15px;
        letter-spacing: 0.5px;
        text-shadow: -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff, 1px 1px 0 #fff, -2px 0px 0 #fff, 2px 0px 0 #fff, 0px -2px 0 #fff, 0px 2px 0 #fff;
    }

    .prize-buttons.download-btn .the-le-btn {
        height: 45px;
    }

    .button-wrapper {
        flex-direction: column;
    }

    .vitamin-info-box {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
        margin-top: 20px;
        border-radius: 14px;
        max-width: 100%;
        width: 100%;
        align-items: flex-start;
    }

    .card-letter {
        font-size: 16px;
        top: 3px;
    }

    .card-btn-text {
        font-size: 7px;
    }

    .card-overlay .overlay-text {
        font-size: 12px;
    }

    .video-header {
        width: 240px;
    }

    .badge-text {
        font-size: 11px;
    }

    .title-text {
        font-size: 17px;
    }

    .header-logo {
        height: 25px;
    }

    .header-description {
        font-size: 10px;
    }

    .player iframe {
        height: 105.6%;
    }

    .vitamin-info-title {
        font-size: 14px;
    }

    .vitamin-info-text {
        font-size: 11px;
    }

    .summary-text {
        font-size: 13px;
    }

    .license-product-name {
        font-size: 14px;
    }

    .licenses-container {
        gap: 25px;
    }

    .license-footer {
        font-size: 10px;
        margin-top: 20px;
    }

    .news-text-paragraph {
        font-size: 11px;
    }

    .check-height-btn-fixed {
        max-width: 170px;
        bottom: 10px;
        left: 50%;
        transform: translateX(-50%);
    }

    .check-height-btn-fixed span {
        font-size: 10px;
        letter-spacing: unset;
    }

    .vitamin-header-text {
        font-size: 14px;
    }

    .vitamin-title-text {
        font-size: 10px;
    }

    .prize-text {
        font-size: 14px;
        padding: 5px 16px;
    }

    .kid-slide-title {
        font-size: 12px;
    }

    .kid-vote-btn-text {
        font-size: 6px;
    }

    .carousel-3d-item.is-active .kid-vote-btn-text {
        font-size: 6px;
    }

    .slide-title {
        font-size: 11px;
    }

    .slide-vote-btn {
        max-width: 140px;
    }

    .vote-btn-text {
        font-size: 11px;
    }

    .news-main-title {
        font-size: 14px;
        padding: 40px 15px 15px;
    }

    .news-item-image {
        height: 100px;
    }

    .news-item-title {
        font-size: 12px;
    }

    .news-item-text {
        flex-direction: column;
        gap: 3px;
        padding: 25px 8px 8px;
        z-index: 2;
    }

    .news-item-desc {
        font-size: 10px;
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }

    /* === SCHOOL 3D Carousel Extra Small === */
    .school-3d-viewport {
        height: 250px;
        padding: 15px 0;
    }

    .school-3d-scene {
        width: 150px;
        height: 150px;
    }

    .school-3d-ring {
        width: 150px;
        height: 150px;
    }

    .school-3d-item {
        width: 150px;
    }

    .school-3d-item .slide-title {
        font-size: 10px;
    }

    .school-3d-item .slide-vote-btn {
        transform: scale(0.7);
        margin-top: -23px;
    }

    .school-3d-prev .nav-icon,
    .school-3d-next .nav-icon {
        width: 24px;
    }

    .the-le-btn,
    .dang-bai-btn {
        height: 35px;
    }

    .the-le-btn-text,
    .dang-bai-btn-text {
        font-size: 12px;
    }
}