.page-bnc {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #FFF1E8; /* Text Main */
    background-color: #140C0C; /* Background */
}

.page-bnc__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.page-bnc__hero-section {
    position: relative;
    padding-top: 10px; /* Fixed header spacing */
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

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

.page-bnc__hero-content {
    position: relative;
    z-index: 1;
    padding: 40px 20px;
    max-width: 900px;
    margin-top: -100px; /* Adjust to visually align content over the bottom part of the image, without actually overlapping text on image. */
    background: rgba(20, 12, 12, 0.85); /* Slightly transparent dark background for readability */
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-bnc__main-title {
    font-size: 2.8em;
    font-weight: bold;
    color: #F3C54D; /* Gold */
    margin-bottom: 15px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-bnc__description {
    font-size: 1.2em;
    color: #FFF1E8;
    margin-bottom: 30px;
}

.page-bnc__hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-bnc__btn-primary,
.page-bnc__btn-secondary,
.page-bnc__btn-link {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
    max-width: 100%;
}

.page-bnc__btn-primary {
    background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%); /* Button color */
    color: #140C0C;
    border: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-bnc__btn-primary:hover {
    background: linear-gradient(180deg, #D86A14 0%, #FFB04A 100%);
    transform: translateY(-2px);
}

.page-bnc__btn-secondary {
    background: transparent;
    color: #F3C54D; /* Gold */
    border: 2px solid #F3C54D; /* Gold */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-bnc__btn-secondary:hover {
    background: #F3C54D;
    color: #140C0C;
    transform: translateY(-2px);
}

.page-bnc__btn-link {
    background: transparent;
    color: #F3C54D; /* Gold */
    border: 1px solid #F3C54D;
    padding: 10px 20px;
    font-size: 0.9em;
}

.page-bnc__btn-link:hover {
    background: #F3C54D;
    color: #140C0C;
}

.page-bnc__section-title {
    font-size: 2.2em;
    font-weight: bold;
    color: #F3C54D; /* Gold */
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

.page-bnc__light-bg {
    background-color: #ffffff;
    color: #333333;
}

.page-bnc__dark-section {
    background-color: #2A1212; /* Card BG */
    color: #FFF1E8; /* Text Main */
}

.page-bnc__text-block {
    font-size: 1.1em;
    margin-bottom: 20px;
    text-align: justify;
}

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

.page-bnc__feature-card,
.page-bnc__promotion-card {
    background-color: #140C0C; /* Background */
    border: 1px solid #6A1E1E; /* Border */
    border-radius: 10px;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.page-bnc__feature-card:hover,
.page-bnc__promotion-card:hover {
    transform: translateY(-5px);
}

.page-bnc__feature-image,
.page-bnc__promotion-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.page-bnc__feature-title,
.page-bnc__promotion-title {
    font-size: 1.4em;
    color: #F3C54D; /* Gold */
    margin: 20px 15px 10px;
}

.page-bnc__feature-description,
.page-bnc__promotion-description {
    font-size: 1em;
    color: #FFF1E8;
    padding: 0 15px 20px;
}

.page-bnc__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.page-bnc__guide-item {
    background-color: #f5f5f5;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-bnc__guide-item h3 {
    color: #C61F1F; /* Main Color */
    margin-bottom: 10px;
}

.page-bnc__guide-item p {
    color: #555555;
}

.page-bnc__guide-cta {
    margin-top: 20px;
}

.page-bnc__guide-list {
    list-style: none;
    padding: 0;
    margin-bottom: 40px;
}

.page-bnc__guide-list li {
    background-color: #f5f5f5;
    border-left: 5px solid #C61F1F; /* Main Color */
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    color: #333333;
}

.page-bnc__list-title {
    color: #C61F1F;
    margin-bottom: 5px;
}

.page-bnc__advantages-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-bottom: 40px;
}

.page-bnc__advantage-item {
    background-color: #140C0C; /* Background */
    border: 1px solid #6A1E1E; /* Border */
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-bnc__advantage-title {
    font-size: 1.5em;
    color: #F3C54D; /* Gold */
    margin-bottom: 10px;
}

.page-bnc__advantage-description {
    color: #FFF1E8;
}

.page-bnc__faq-list {
    margin-top: 30px;
    margin-bottom: 40px;
}

.page-bnc__faq-item {
    background-color: #140C0C; /* Background */
    border: 1px solid #6A1E1E; /* Border */
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #FFF1E8;
}

.page-bnc__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.15em;
    font-weight: bold;
    cursor: pointer;
    color: #F3C54D; /* Gold */
    background-color: #2A1212; /* Card BG */
    border-bottom: 1px solid #6A1E1E;
    list-style: none; /* For details/summary */
}

.page-bnc__faq-question::-webkit-details-marker {
    display: none;
}

.page-bnc__faq-item[open] .page-bnc__faq-question {
    border-bottom: 1px solid #6A1E1E;
}

.page-bnc__faq-qtext {
    flex-grow: 1;
}

.page-bnc__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
}

.page-bnc__faq-answer {
    padding: 15px 25px 25px;
    font-size: 1em;
    color: #FFF1E8;
}

.page-bnc__cta-bottom-section {
    padding: 60px 20px;
    text-align: center;
}

.page-bnc__cta-bottom-section .page-bnc__section-title {
    margin-bottom: 20px;
}

.page-bnc__cta-bottom-section .page-bnc__description {
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto 40px;
}

.page-bnc img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-bnc__main-title {
        font-size: 2.5em;
    }
    .page-bnc__section-title {
        font-size: 2em;
    }
    .page-bnc__hero-content {
        margin-top: -80px;
    }
}

@media (max-width: 768px) {
    .page-bnc {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-bnc__container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* HERO 主图区域 */
    .page-bnc__hero-section {
        padding-top: 10px !important;
        padding-bottom: 0 !important;
    }
    .page-bnc__hero-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-bnc__hero-content {
        padding: 20px 15px !important;
        margin-top: -50px; /* Smaller adjustment for mobile */
        max-width: 100% !important;
        width: 100% !important;
    }
    .page-bnc__main-title {
        font-size: 1.8em !important;
        margin-bottom: 10px !important;
    }
    .page-bnc__description {
        font-size: 1em !important;
        margin-bottom: 20px !important;
    }

    /* 产品展示图区域 (features, promotions) */
    .page-bnc__features-grid,
    .page-bnc__promotions-grid,
    .page-bnc__advantages-grid {
        grid-template-columns: 1fr !important; /* Single column layout */
        gap: 20px !important;
    }
    .page-bnc__feature-card,
    .page-bnc__promotion-card,
    .page-bnc__advantage-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-bottom: 20px;
    }
    .page-bnc__feature-image,
    .page-bnc__promotion-image {
        height: 180px !important; /* Adjust height for mobile */
    }

    /* 通用图片与容器 */
    .page-bnc img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-bnc__section,
    .page-bnc__card,
    .page-bnc__container,
    .page-bnc__introduction-section,
    .page-bnc__features-section,
    .page-bnc__how-to-play-section,
    .page-bnc__promotions-section,
    .page-bnc__game-guides-section,
    .page-bnc__why-choose-us-section,
    .page-bnc__faq-section,
    .page-bnc__cta-bottom-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        overflow-x: hidden !important;
    }

    /* 按钮与按钮容器 */
    .page-bnc__cta-button,
    .page-bnc__btn-primary,
    .page-bnc__btn-secondary,
    .page-bnc a[class*="button"],
    .page-bnc a[class*="btn"] {
        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-bnc__hero-buttons,
    .page-bnc__cta-buttons,
    .page-bnc__button-group,
    .page-bnc__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        flex-direction: column !important; /* Stack buttons vertically */
        gap: 10px !important;
        overflow-x: hidden !important;
    }
    .page-bnc__hero-buttons {
        margin-top: 15px;
    }

    /* 其他内容模块 */
    .page-bnc__section-title {
        font-size: 1.6em !important;
        margin-bottom: 25px !important;
    }
    .page-bnc__text-block {
        font-size: 1em !important;
    }
    .page-bnc__guide-steps {
        grid-template-columns: 1fr !important;
    }
    .page-bnc__faq-question {
        font-size: 1em !important;
        padding: 15px 20px !important;
    }
    .page-bnc__faq-answer {
        padding: 10px 20px 20px !important;
    }
    .page-bnc__list-title {
        font-size: 1.1em !important;
    }
}