:root {
    --color-primary: #11A84E;
    --color-secondary: #22C768;
    --color-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --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-ban-ca {
    font-family: Arial, sans-serif;
    color: var(--color-text-main); /* Body background is dark, so main text is light */
    background-color: var(--color-background);
    line-height: 1.6;
}

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

.page-ban-ca__section-title {
    font-size: 2.5em;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    text-shadow: 0 0 8px rgba(242, 193, 78, 0.5);
}

.page-ban-ca__section-description {
    font-size: 1.1em;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

.page-ban-ca__cta-center {
    text-align: center;
    margin-top: 40px;
}

.page-ban-ca__btn-primary,
.page-ban-ca__btn-secondary,
.page-ban-ca__btn-play {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-ban-ca__btn-primary {
    background: var(--color-button-gradient);
    color: var(--color-text-main);
    border: 2px solid var(--color-glow);
    box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-ban-ca__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
}

.page-ban-ca__btn-secondary {
    background: transparent;
    color: var(--color-glow);
    border: 2px solid var(--color-glow);
    margin-left: 20px;
}

.page-ban-ca__btn-secondary:hover {
    background: var(--color-glow);
    color: var(--color-background);
    transform: translateY(-2px);
}

.page-ban-ca__btn-play {
    background: var(--color-deep-green);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    font-size: 1em;
    padding: 10px 20px;
}

.page-ban-ca__btn-play:hover {
    background: var(--color-primary);
}

/* Hero Section */
.page-ban-ca__hero-section {
    position: relative;
    padding-top: 10px; /* Small padding top, relying on body for header offset */
    background-color: var(--color-deep-green);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 600px;
}

.page-ban-ca__hero-image-wrapper {
    width: 100%;
    max-width: 1200px;
    margin-top: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.page-ban-ca__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.page-ban-ca__hero-content {
    text-align: center;
    padding: 40px 20px 20px;
    max-width: 900px;
    z-index: 1;
}

.page-ban-ca__main-title {
    font-size: clamp(2em, 4vw, 3.2em); /* Using clamp for H1 font size */
    color: var(--color-gold);
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: bold;
    text-shadow: 0 0 15px rgba(242, 193, 78, 0.7);
}

.page-ban-ca__hero-description {
    font-size: 1.2em;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-ban-ca__hero-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

/* Intro Section */
.page-ban-ca__intro-section {
    padding: 80px 0;
    background-color: var(--color-background);
}

.page-ban-ca__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-ban-ca__feature-item {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    border: 1px solid var(--color-border);
}

.page-ban-ca__feature-item:hover {
    transform: translateY(-5px);
}

.page-ban-ca__feature-image {
    width: 100%;
    height: auto;
    max-height: 250px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-ban-ca__feature-title {
    font-size: 1.5em;
    color: var(--color-gold);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-ban-ca__feature-text {
    color: var(--color-text-secondary);
}

/* Game Types Section */
.page-ban-ca__game-types-section {
    padding: 80px 0;
    background-color: var(--color-deep-green);
}

.page-ban-ca__game-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-ban-ca__game-card {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    border: 1px solid var(--color-border);
    text-align: center;
    padding-bottom: 20px;
}

.page-ban-ca__game-card:hover {
    transform: translateY(-5px);
}

.page-ban-ca__game-card-image {
    width: 100%;
    height: 250px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
    margin-bottom: 20px;
}

.page-ban-ca__game-card-title {
    font-size: 1.8em;
    color: var(--color-gold);
    margin-bottom: 10px;
    padding: 0 20px;
    font-weight: bold;
}

.page-ban-ca__game-card-text {
    color: var(--color-text-secondary);
    padding: 0 20px;
    margin-bottom: 20px;
}

.page-ban-ca__text-center {
    text-align: center;
    color: var(--color-text-secondary);
    margin-top: 40px;
}

/* Guide Section */
.page-ban-ca__guide-section {
    padding: 80px 0;
    background-color: var(--color-deep-green);
}

.page-ban-ca__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-ban-ca__guide-step-item {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.page-ban-ca__guide-step-number {
    font-size: 3em;
    color: var(--color-glow);
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1;
}

.page-ban-ca__guide-step-title {
    font-size: 1.6em;
    color: var(--color-gold);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-ban-ca__guide-step-text {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.page-ban-ca__guide-step-image {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
    border-radius: 8px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* Strategy Section */
.page-ban-ca__strategy-section {
    padding: 80px 0;
    background-color: var(--color-background);
}

.page-ban-ca__strategy-list {
    list-style: none;
    padding: 0;
    margin-top: 50px;
}

.page-ban-ca__strategy-item {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.page-ban-ca__strategy-item-title {
    font-size: 1.8em;
    color: var(--color-gold);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-ban-ca__strategy-item-text {
    color: var(--color-text-secondary);
    font-size: 1.1em;
}

/* Why Choose Section (5 vertical cards) */
.page-ban-ca__why-choose-section {
    padding: 80px 0;
    background-color: var(--color-deep-green);
}

.page-ban-ca__guide-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
}

.page-ban-ca__guide-card {
    flex: 0 0 calc(20% - 16px); /* 5 cards per row */
    max-width: calc(20% - 16px);
    text-align: center;
    text-decoration: none;
    transition: transform 0.3s ease;
    display: block;
}

.page-ban-ca__guide-card:hover {
    transform: translateY(-10px);
}

.page-ban-ca__guide-card-image {
    width: 100%;
    height: auto;
    aspect-ratio: 250 / 350; /* Fixed aspect ratio for vertical cards */
    object-fit: contain;
    display: block;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
    border: 2px solid var(--color-glow);
}

.page-ban-ca__guide-card--pos-1 { padding-top: 50px; }
.page-ban-ca__guide-card--pos-2 { padding-top: 25px; }
.page-ban-ca__guide-card--pos-3 { padding-top: 0px; }
.page-ban-ca__guide-card--pos-4 { padding-top: 25px; }
.page-ban-ca__guide-card--pos-5 { padding-top: 50px; }

/* Promotions Section */
.page-ban-ca__promotions-section {
    padding: 80px 0;
    background-color: var(--color-background);
}

.page-ban-ca__promo-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-ban-ca__promo-item {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.page-ban-ca__promo-title {
    font-size: 1.6em;
    color: var(--color-gold);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-ban-ca__promo-text {
    color: var(--color-text-secondary);
}

/* FAQ Section */
.page-ban-ca__faq-section {
    padding: 80px 0;
    background-color: var(--color-deep-green);
}

.page-ban-ca__faq-list {
    margin-top: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-ban-ca__faq-item {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.page-ban-ca__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    color: var(--color-gold);
    cursor: pointer;
    font-weight: bold;
    list-style: none; /* For details/summary */
}

.page-ban-ca__faq-item summary::-webkit-details-marker {
    display: none;
}

.page-ban-ca__faq-item[open] .page-ban-ca__faq-toggle {
    transform: rotate(45deg);
}

.page-ban-ca__faq-toggle {
    font-size: 1.5em;
    transition: transform 0.3s ease;
    color: var(--color-glow);
}

.page-ban-ca__faq-answer {
    padding: 15px 25px 25px;
    color: var(--color-text-secondary);
    font-size: 1.05em;
    border-top: 1px solid var(--color-divider);
}

.page-ban-ca__faq-answer p {
    margin-bottom: 15px;
}

/* Conclusion Section */
.page-ban-ca__conclusion-section {
    padding: 80px 0;
    background-color: var(--color-background);
    text-align: center;
}

/* General image styling for responsiveness */
.page-ban-ca img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    .page-ban-ca {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-ban-ca__container {
        padding: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-ban-ca__section-title {
        font-size: 2em;
        margin-bottom: 15px;
    }

    .page-ban-ca__section-description {
        font-size: 1em;
        margin-bottom: 30px;
    }

    /* Hero Section Mobile */
    .page-ban-ca__hero-section {
        min-height: auto;
        padding-top: 10px !important; /* Small padding top, relying on body for header offset */
    }

    .page-ban-ca__main-title {
        font-size: clamp(1.8em, 8vw, 2.5em);
    }

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

    .page-ban-ca__hero-cta-buttons {
        flex-direction: column;
        gap: 15px;
        max-width: 90%;
        padding: 0 15px;
    }

    .page-ban-ca__btn-primary,
    .page-ban-ca__btn-secondary {
        width: 100% !important;
        margin-left: 0 !important;
        padding: 12px 15px !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* Intro Section Mobile */
    .page-ban-ca__intro-section {
        padding: 40px 0;
    }

    .page-ban-ca__feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Game Types Section Mobile */
    .page-ban-ca__game-types-section {
        padding: 40px 0;
    }

    .page-ban-ca__game-list-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-ban-ca__game-card-image {
        height: 200px; /* Adjust fixed height for mobile */
    }

    /* Guide Section Mobile */
    .page-ban-ca__guide-section {
        padding: 40px 0;
    }

    .page-ban-ca__guide-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Strategy Section Mobile */
    .page-ban-ca__strategy-section {
        padding: 40px 0;
    }

    .page-ban-ca__strategy-item {
        padding: 20px;
    }

    .page-ban-ca__strategy-item-title {
        font-size: 1.4em;
    }

    /* Why Choose Section Mobile (5 vertical cards) */
    .page-ban-ca__why-choose-section {
        padding: 40px 0;
    }

    .page-ban-ca__guide-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr); /* Use 6 columns for 2+3 layout */
        gap: 15px;
        padding: 0 15px;
        box-sizing: border-box;
    }

    .page-ban-ca__guide-card {
        padding-top: 0 !important; /* Reset desktop padding-top */
        flex: none;
        max-width: 100%;
    }

    .page-ban-ca__guide-card--pos-1,
    .page-ban-ca__guide-card--pos-2 {
        grid-column: span 3; /* Two cards on top row */
    }

    .page-ban-ca__guide-card--pos-3,
    .page-ban-ca__guide-card--pos-4,
    .page-ban-ca__guide-card--pos-5 {
        grid-column: span 2; /* Three cards on bottom row */
    }

    .page-ban-ca__guide-card-image {
        border-width: 1px;
    }

    /* Promotions Section Mobile */
    .page-ban-ca__promotions-section {
        padding: 40px 0;
    }

    .page-ban-ca__promo-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-ban-ca__promo-item {
        padding: 20px;
    }

    /* FAQ Section Mobile */
    .page-ban-ca__faq-section {
        padding: 40px 0;
    }

    .page-ban-ca__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
    }

    .page-ban-ca__faq-answer {
        padding: 10px 20px 20px;
        font-size: 1em;
    }

    /* Conclusion Section Mobile */
    .page-ban-ca__conclusion-section {
        padding: 40px 0;
    }

    /* General image and container responsiveness */
    .page-ban-ca img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    .page-ban-ca__section,
    .page-ban-ca__card,
    .page-ban-ca__container,
    .page-ban-ca__hero-section,
    .page-ban-ca__intro-section,
    .page-ban-ca__game-types-section,
    .page-ban-ca__guide-section,
    .page-ban-ca__strategy-section,
    .page-ban-ca__why-choose-section,
    .page-ban-ca__promotions-section,
    .page-ban-ca__faq-section,
    .page-ban-ca__conclusion-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow-x: hidden;
    }

    .page-ban-ca__hero-image-wrapper {
        padding: 0 15px;
        box-sizing: border-box;
    }
}

@media (max-width: 480px) {
    .page-ban-ca__guide-grid {
        grid-template-columns: 1fr;
    }

    .page-ban-ca__guide-card--pos-1,
    .page-ban-ca__guide-card--pos-2,
    .page-ban-ca__guide-card--pos-3,
    .page-ban-ca__guide-card--pos-4,
    .page-ban-ca__guide-card--pos-5 {
        grid-column: span 1; /* All cards stack vertically on very small screens */
    }
}