.page-index {
    font-family: 'Arial', sans-serif;
    color: #FFFFFF; /* Light text on dark background */
    background-color: #0A192F; /* Primary background color */
    line-height: 1.6;
}

.page-index__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.page-index__hero-section {
    background: linear-gradient(135deg, #0A192F 0%, #30475E 50%, #FFD700 100%); /* Gradient from primary to secondary */
    padding: 80px 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
}

.page-index__hero-content-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.page-index__hero-content {
    max-width: 800px;
}

.page-index__hero-title {
    font-size: 3.5em;
    color: #FFD700; /* Secondary color for emphasis */
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-index__hero-description {
    font-size: 1.3em;
    color: #E0E0E0;
    margin-bottom: 30px;
}

.page-index__hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.page-index__hero-image-wrapper {
    margin-top: 40px;
}

.page-index__hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.page-index__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.page-index__btn--primary {
    background-color: #FFD700; /* Secondary color */
    color: #0A192F; /* Primary color for text */
    border-color: #FFD700;
}

.page-index__btn--primary:hover {
    background-color: #E6C200;
    border-color: #E6C200;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.page-index__btn--secondary {
    background-color: transparent;
    color: #FFD700; /* Secondary color for text */
    border-color: #FFD700;
}

.page-index__btn--secondary:hover {
    background-color: #FFD700;
    color: #0A192F;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.page-index__btn--large {
    padding: 18px 35px;
    font-size: 1.2em;
}

.page-index__btn--small {
    padding: 10px 20px;
    font-size: 0.9em;
}

.page-index__section-title {
    font-size: 2.5em;
    color: #FFD700; /* Secondary color for titles */
    text-align: center;
    margin: 60px 0 40px 0;
    position: relative;
    padding-bottom: 10px;
}

.page-index__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #FFD700;
    border-radius: 2px;
}

.page-index__sub-title {
    font-size: 1.8em;
    color: #FFD700;
    margin: 40px 0 20px 0;
}

.page-index__text-content {
    font-size: 1.1em;
    color: #E0E0E0;
    margin-bottom: 20px;
    text-align: justify;
}

.page-index__highlight {
    color: #FFD700;
    font-weight: bold;
}

/* About Section */
.page-index__about-section {
    padding: 60px 0;
    background-color: #0D223F;
}

.page-index__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    text-align: center;
}

.page-index__feature-item {
    background-color: #1A2E4B;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.page-index__feature-item:hover {
    transform: translateY(-10px);
}

.page-index__feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px #FFD700);
}

.page-index__feature-title {
    font-size: 1.5em;
    color: #FFD700;
    margin-bottom: 15px;
}

.page-index__feature-description {
    color: #C0C0C0;
    font-size: 1em;
}

/* Promotion Section */
.page-index__promotion-section {
    padding: 80px 0;
    background-color: #0A192F;
    text-align: center;
}

.page-index__promotion-image {
    max-width: 80%;
    height: auto;
    margin-top: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

/* Games Section */
.page-index__games-section {
    padding: 60px 0;
    background-color: #0D223F;
}

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

.page-index__game-item {
    background-color: #1A2E4B;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.page-index__game-item:hover {
    transform: translateY(-10px);
}

.page-index__game-thumbnail {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-index__game-title {
    font-size: 1.4em;
    color: #FFD700;
    margin-bottom: 10px;
}

.page-index__game-description {
    color: #C0C0C0;
    font-size: 0.95em;
    margin-bottom: 20px;
}

/* Why Us Section */
.page-index__why-us-section {
    padding: 60px 0;
    background-color: #0A192F;
}

.page-index__advantage-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
}

.page-index__advantage-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    font-size: 1.1em;
    color: #E0E0E0;
    background-color: #1A2E4B;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.page-index__list-icon {
    width: 30px;
    height: 30px;
    margin-right: 15px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 3px #FFD700);
}

/* CTA Section */
.page-index__cta-section {
    padding: 80px 0;
    background: linear-gradient(45deg, #0A192F, #FFD700);
    text-align: center;
}

/* Detail Pages Section */
.page-index__detail-pages-section {
    padding: 60px 0;
    background-color: #0D223F;
}

.page-index__detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index__detail-item {
    background-color: #1A2E4B;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.page-index__detail-item:hover {
    transform: translateY(-10px);
}

.page-index__detail-title {
    font-size: 1.6em;
    margin-bottom: 15px;
}

.page-index__detail-title a {
    color: #FFD700; /* Secondary color for links */
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-index__detail-title a:hover {
    color: #E6C200;
    text-decoration: underline;
}

.page-index__detail-description {
    color: #C0C0C0;
    font-size: 1em;
    margin-bottom: 20px;
}

/* SEO Content Section */
.page-index__seo-content {
    padding: 60px 0;
    background-color: #0A192F;
}

.page-index__list {
    list-style: disc inside;
    color: #E0E0E0;
    margin-left: 20px;
    margin-bottom: 20px;
}

.page-index__list li {
    margin-bottom: 10px;
}

.page-index__list li strong {
    color: #FFD700;
}

.page-index__text-link {
    color: #FFD700;
    text-decoration: underline;
}

.page-index__text-link:hover {
    color: #E6C200;
}

.page-index__seo-image {
    max-width: 100%;
    height: auto;
    margin-top: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-index__hero-title {
        font-size: 2.8em;
    }

    .page-index__hero-description {
        font-size: 1.1em;
    }

    .page-index__section-title {
        font-size: 2em;
    }

    .page-index__sub-title {
        font-size: 1.6em;
    }
}

@media (max-width: 768px) {
    .page-index__hero-section {
        padding: 60px 0;
        min-height: auto;
    }

    .page-index__hero-content-wrapper {
        flex-direction: column;
        gap: 20px;
    }

    .page-index__hero-actions {
        flex-direction: column;
        gap: 15px;
    }

    .page-index__btn {
        width: 80%;
        max-width: 300px;
    }

    .page-index__hero-title {
        font-size: 2.2em;
    }

    .page-index__section-title {
        font-size: 1.8em;
    }

    .page-index__sub-title {
        font-size: 1.4em;
    }

    .page-index__features-grid,
    .page-index__game-grid,
    .page-index__detail-grid {
        grid-template-columns: 1fr;
    }

    .page-index__advantage-list li {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .page-index__hero-title {
        font-size: 1.8em;
    }

    .page-index__hero-description {
        font-size: 1em;
    }

    .page-index__section-title {
        font-size: 1.5em;
    }

    .page-index__sub-title {
        font-size: 1.2em;
    }

    .page-index__btn {
        padding: 12px 20px;
        font-size: 1em;
    }

    .page-index__feature-item,
    .page-index__game-item,
    .page-index__detail-item {
        padding: 20px;
    }
}