:root {
    --primary-color: #FF8C1A;
    --secondary-color: #FFA53A;
    --card-bg: #17191F;
    --background-color: #0D0E12;
    --text-main: #FFF3E6;
    --border-color: #A84F0C;
    --glow-color: #FFB04D;
    --deep-orange: #D96800;
}

/* General styles for the page-index-gioi-thieu-tg88ok */
.page-index-gioi-thieu-tg88ok {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--background-color);
}

.page-index-gioi-thieu-tg88ok__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 16px;
    box-sizing: border-box;
}

.page-index-gioi-thieu-tg88ok__section-title {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    margin-top: 0;
}

.page-index-gioi-thieu-tg88ok__section-title--light {
    color: var(--text-main);
}

.page-index-gioi-thieu-tg88ok__sub-title {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.page-index-gioi-thieu-tg88ok__sub-title--light {
    color: var(--text-main);
}

.page-index-gioi-thieu-tg88ok__text-block {
    font-size: 1.1em;
    margin-bottom: 30px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-index-gioi-thieu-tg88ok__text-block--light {
    color: var(--text-main);
}

.page-index-gioi-thieu-tg88ok__text-center {
    text-align: center;
}

.page-index-gioi-thieu-tg88ok__mt-large {
    margin-top: 50px;
}

/* Buttons */
.page-index-gioi-thieu-tg88ok__btn {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

.page-index-gioi-thieu-tg88ok__btn-primary {
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange) 100%);
    color: var(--text-main);
    border: 2px solid transparent;
}

.page-index-gioi-thieu-tg88ok__btn-primary:hover {
    background: linear-gradient(180deg, var(--deep-orange) 0%, var(--secondary-color) 100%);
    box-shadow: 0 0 15px var(--glow-color);
}

.page-index-gioi-thieu-tg88ok__btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-index-gioi-thieu-tg88ok__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-main);
}

/* Images */
.page-index-gioi-thieu-tg88ok img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Hero Section */
.page-index-gioi-thieu-tg88ok__hero-section {
    padding-top: 10px;
    padding-bottom: 60px;
    background-color: var(--background-color);
}

.page-index-gioi-thieu-tg88ok__hero-container {
    display: flex;
    align-items: center;
    gap: 40px;
    padding-top: 40px;
    padding-bottom: 40px;
}

.page-index-gioi-thieu-tg88ok__hero-content {
    flex: 1;
    text-align: left;
}

.page-index-gioi-thieu-tg88ok__hero-title {
    font-size: clamp(2.5em, 5vw, 3.5em);
    color: var(--text-main);
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 700;
}

.page-index-gioi-thieu-tg88ok__hero-description {
    font-size: 1.2em;
    color: var(--text-main);
    margin-bottom: 30px;
    text-align: left;
}

.page-index-gioi-thieu-tg88ok__hero-image-wrapper {
    flex: 1;
    text-align: center;
}

.page-index-gioi-thieu-tg88ok__hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.page-index-gioi-thieu-tg88ok__hero-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Intro Section (Module 1) */
.page-index-gioi-thieu-tg88ok__intro-section {
    padding: 60px 0;
    background-color: var(--card-bg);
}

.page-index-gioi-thieu-tg88ok__intro-section .page-index-gioi-thieu-tg88ok__section-title {
    color: var(--primary-color);
}

.page-index-gioi-thieu-tg88ok__intro-section .page-index-gioi-thieu-tg88ok__text-block {
    color: var(--text-main);
}

.page-index-gioi-thieu-tg88ok__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index-gioi-thieu-tg88ok__feature-item {
    text-align: center;
    background-color: var(--background-color);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.page-index-gioi-thieu-tg88ok__icon-box-media {
    width: 240px;
    height: 240px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 15px var(--glow-color);
}

.page-index-gioi-thieu-tg88ok__icon-box-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

.page-index-gioi-thieu-tg88ok__feature-title {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-index-gioi-thieu-tg88ok__feature-description {
    color: var(--text-main);
    font-size: 1em;
}

/* Advantages Section */
.page-index-gioi-thieu-tg88ok__advantages-section {
    padding: 60px 0;
    background-color: var(--primary-color);
}

.page-index-gioi-thieu-tg88ok__dark-section {
    background-color: var(--primary-color);
    color: var(--text-main);
}

.page-index-gioi-thieu-tg88ok__advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 50px;
}

.page-index-gioi-thieu-tg88ok__advantage-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.page-index-gioi-thieu-tg88ok__advantage-icon {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: cover;
    margin-bottom: 20px;
    border-radius: 8px;
}

.page-index-gioi-thieu-tg88ok__card-title {
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-index-gioi-thieu-tg88ok__card-description {
    font-size: 1em;
    color: var(--text-main);
}

/* Game Overview Section */
.page-index-gioi-thieu-tg88ok__games-overview-section {
    padding: 60px 0;
    background-color: var(--background-color);
}

.page-index-gioi-thieu-tg88ok__game-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 50px;
}

.page-index-gioi-thieu-tg88ok__game-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: var(--text-main);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.page-index-gioi-thieu-tg88ok__game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-index-gioi-thieu-tg88ok__game-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.page-index-gioi-thieu-tg88ok__game-card-title {
    font-size: 1.4em;
    color: var(--primary-color);
    padding: 15px 20px 5px;
    font-weight: bold;
}

.page-index-gioi-thieu-tg88ok__game-card-description {
    font-size: 0.95em;
    color: var(--text-main);
    padding: 0 20px 20px;
}

/* Responsibility Section */
.page-index-gioi-thieu-tg88ok__responsibility-section {
    padding: 60px 0;
}

.page-index-gioi-thieu-tg88ok__image-and-text {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
}

.page-index-gioi-thieu-tg88ok__image-wrapper {
    flex: 1;
}

.page-index-gioi-thieu-tg88ok__image {
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-index-gioi-thieu-tg88ok__text-content {
    flex: 1;
}

.page-index-gioi-thieu-tg88ok__list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.page-index-gioi-thieu-tg88ok__list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    font-size: 1.1em;
    color: var(--text-main);
}

.page-index-gioi-thieu-tg88ok__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2em;
}

.page-index-gioi-thieu-tg88ok__list--light li {
    color: var(--text-main);
}

/* FAQ Section */
.page-index-gioi-thieu-tg88ok__faq-section {
    padding: 60px 0;
    background-color: var(--card-bg);
}

.page-index-gioi-thieu-tg88ok__faq-list {
    margin-top: 40px;
}

.page-index-gioi-thieu-tg88ok__faq-item {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--text-main);
}

.page-index-gioi-thieu-tg88ok__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    background-color: var(--background-color);
    list-style: none;
    transition: background-color 0.3s ease;
}

.page-index-gioi-thieu-tg88ok__faq-question:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.page-index-gioi-thieu-tg88ok__faq-item[open] > .page-index-gioi-thieu-tg88ok__faq-question {
    color: var(--secondary-color);
}

.page-index-gioi-thieu-tg88ok__faq-qtext {
    flex-grow: 1;
}

.page-index-gioi-thieu-tg88ok__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: var(--primary-color);
}

.page-index-gioi-thieu-tg88ok__faq-item[open] .page-index-gioi-thieu-tg88ok__faq-toggle {
    color: var(--secondary-color);
}

.page-index-gioi-thieu-tg88ok__faq-answer {
    padding: 0 25px 20px;
    font-size: 1.1em;
    color: var(--text-main);
    background-color: var(--background-color);
}

.page-index-gioi-thieu-tg88ok__faq-answer p {
    margin: 0;
}