:root {
    --color-primary: #11A84E;
    --color-secondary: #22C768;
    --color-btn-gradient-start: #2AD16F;
    --color-btn-gradient-end: #13994A;
    --color-card-bg: #11271B;
    --color-background: #08160F;
    --color-text-main: #F2FFF6;
    --color-text-secondary: #A7D9B8;
    --color-border: #2E7A4E;
    --color-glow: #57E38D;
    --color-gold: #F2C14E;
    --color-divider: #1E3A2A;
    --color-deep-green: #0A4B2C;
}

.page-blog-888vi-chinh-thuc-promotions-revealed {
    font-family: 'Arial', sans-serif;
    background-color: var(--color-background);
    color: var(--color-text-main);
    line-height: 1.6;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 10px; /* body handles --header-offset */
    padding-bottom: 60px;
    overflow: hidden;
    background-color: var(--color-background); /* Ensure background for hero */
}

.page-blog-888vi-chinh-thuc-promotions-revealed__hero-image-wrapper {
    width: 100%;
    max-height: 675px; /* Max height for hero image */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    min-height: 200px; /* Min size requirement */
}

.page-blog-888vi-chinh-thuc-promotions-revealed__hero-content {
    max-width: 900px;
    margin: -120px auto 0 auto; /* Negative margin to overlap slightly, but not *on* the image */
    text-align: center;
    padding: 20px;
    background: rgba(17, 39, 27, 0.9); /* Card BG with some transparency */
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    z-index: 1; /* Ensure content is above image wrapper if any overlap */
    position: relative; /* For z-index to work */
    color: var(--color-text-main);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__main-title {
    font-size: clamp(2.2rem, 4vw, 3rem); /* H1 font size clamp */
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__lead-text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__btn-primary,
.page-blog-888vi-chinh-thuc-promotions-revealed__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__btn-primary {
    background: linear-gradient(180deg, var(--color-btn-gradient-start) 0%, var(--color-btn-gradient-end) 100%);
    color: #ffffff; /* Always white for primary button */
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__btn-secondary {
    background: transparent;
    color: var(--color-gold);
    border: 2px solid var(--color-gold);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__btn-secondary:hover {
    background-color: rgba(var(--color-gold), 0.1);
    transform: translateY(-2px);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__btn-small {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}


.page-blog-888vi-chinh-thuc-promotions-revealed__content-area {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    background-color: var(--color-background);
    color: var(--color-text-main);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--color-gold);
    margin-top: 40px;
    margin-bottom: 25px;
    text-align: center;
    position: relative;
    padding-bottom: 10px;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__paragraph {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--color-text-secondary);
    text-align: justify;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__promotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__promotion-card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__promotion-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px var(--color-glow);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    min-height: 200px; /* Min size requirement */
}

.page-blog-888vi-chinh-thuc-promotions-revealed__promotion-card h3,
.page-blog-888vi-chinh-thuc-promotions-revealed__promotion-card p {
    padding: 0 20px;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__card-title {
    font-size: 1.3rem;
    color: var(--color-gold);
    margin-top: 20px;
    margin-bottom: 10px;
    flex-grow: 1; /* Push button to bottom */
}

.page-blog-888vi-chinh-thuc-promotions-revealed__card-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__promotion-card .page-blog-888vi-chinh-thuc-promotions-revealed__btn-primary {
    margin: 0 20px 20px;
    align-self: flex-start; /* Align button to start */
    width: auto;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__numbered-list,
.page-blog-888vi-chinh-thuc-promotions-revealed__bullet-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 30px;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__list-item {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 15px;
    position: relative;
    padding-left: 30px;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__numbered-list .page-blog-888vi-chinh-thuc-promotions-revealed__list-item::before {
    content: counter(list-item) ".";
    counter-increment: list-item;
    position: absolute;
    left: 0;
    top: 0;
    font-weight: bold;
    color: var(--color-primary);
    width: 25px;
    text-align: right;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__bullet-list .page-blog-888vi-chinh-thuc-promotions-revealed__list-item::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    font-weight: bold;
    color: var(--color-primary);
    font-size: 1.2rem;
    line-height: 1;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__faq-list {
    margin-top: 30px;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__faq-item {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--color-text-main);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--color-gold);
    cursor: pointer;
    background-color: var(--color-deep-green);
    border-bottom: 1px solid var(--color-divider);
    list-style: none; /* For details/summary */
}

.page-blog-888vi-chinh-thuc-promotions-revealed__faq-question::-webkit-details-marker {
    display: none;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__faq-qtext {
    flex-grow: 1;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    width: 24px;
    text-align: center;
    color: var(--color-glow);
    transition: transform 0.3s ease;
}

.page-blog-888vi-chinh-thuc-promotions-revealed__faq-item[open] .page-blog-888vi-chinh-thuc-promotions-revealed__faq-toggle {
    transform: rotate(45deg);
}

.page-blog-888vi-chinh-thuc-promotions-revealed__faq-answer {
    padding: 20px 25px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Ensure text color contrast for paragraphs and list items within content area */
.page-blog-888vi-chinh-thuc-promotions-revealed p,
.page-blog-888vi-chinh-thuc-promotions-revealed li {
    color: var(--color-text-secondary);
}

/* Final CTA */
.page-blog-888vi-chinh-thuc-promotions-revealed__final-cta {
    text-align: center;
    margin-top: 60px;
    margin-bottom: 40px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-blog-888vi-chinh-thuc-promotions-revealed__hero-content {
        margin-top: -80px;
    }
}

@media (max-width: 768px) {
    .page-blog-888vi-chinh-thuc-promotions-revealed__hero-section {
        padding-bottom: 40px;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__hero-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__hero-image-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__hero-content {
        margin-top: -60px;
        padding: 15px;
        max-width: calc(100% - 30px); /* Account for padding */
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__main-title {
        font-size: clamp(1.8rem, 8vw, 2.2rem);
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__lead-text {
        font-size: 1rem;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__btn-primary,
    .page-blog-888vi-chinh-thuc-promotions-revealed__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .page-blog-888vi-chinh-thuc-promotions-revealed__cta-buttons {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__content-area {
        padding: 20px 15px;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__section-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
        margin-top: 30px;
        margin-bottom: 20px;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__paragraph,
    .page-blog-888vi-chinh-thuc-promotions-revealed__list-item,
    .page-blog-888vi-chinh-thuc-promotions-revealed__faq-answer {
        font-size: 0.9rem;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__faq-question {
        padding: 15px 20px;
        font-size: 1rem;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__card-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__promotion-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0;
        padding-right: 0;
    }

    /* All images must be responsive */
    .page-blog-888vi-chinh-thuc-promotions-revealed img {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
      display: block !important;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__section,
    .page-blog-888vi-chinh-thuc-promotions-revealed__card,
    .page-blog-888vi-chinh-thuc-promotions-revealed__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-blog-888vi-chinh-thuc-promotions-revealed__video-section {
        padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
    }
}