:root {
    --primary-color: #2F6BFF;
    --secondary-color: #6FA3FF;
    --glow-color: #A5C4FF;
    --border-color: #333333;
    --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    --card-bg: #1a1a1a; /* Dark grey for cards on black background */
    --text-main: #ffffff; /* White text for black background */
    --text-highlight: #FFD700; /* Yellow for highlights */
    --background-color: #000000; /* Black background */
}

.page-on88 {
    font-family: 'Arial', sans-serif;
    background-color: var(--background-color);
    color: var(--text-main);
    line-height: 1.6;
    padding-bottom: 70px; /* Space for floating CTA */
}

.page-on88__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.page-on88__section-title {
    font-size: 2.5em;
    color: var(--text-highlight);
    text-align: center;
    margin-bottom: 40px;
    margin-top: 60px;
    font-weight: bold;
    line-height: 1.2;
}

.page-on88__text-block {
    font-size: 1.1em;
    margin-bottom: 20px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.page-on88__btn-primary,
.page-on88__btn-secondary,
.page-on88__btn-play,
.page-on88__btn-promo,
.page-on88__btn-app-download {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-on88__btn-primary,
.page-on88__btn-play,
.page-on88__btn-promo,
.page-on88__btn-app-download {
    background: var(--button-gradient);
    color: var(--text-main);
    border: none;
}

.page-on88__btn-primary:hover,
.page-on88__btn-play:hover,
.page-on88__btn-promo:hover,
.page-on88__btn-app-download:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

.page-on88__btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-on88__btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-main);
    box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

.page-on88__btn-center {
    display: block;
    margin: 40px auto 20px auto;
    width: fit-content;
}

/* Hero Section */
.page-on88__hero-section {
    padding-top: 10px; /* Small top padding, relying on body padding-top for header offset */
    padding-bottom: 40px;
    background-color: #0a0a0a;
    text-align: center;
}

.page-on88__hero-image-wrapper {
    margin-bottom: 20px;
    overflow: hidden;
}

.page-on88__hero-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-on88__hero-content-area {
    padding: 0 20px;
}

.page-on88__hero-title {
    font-size: clamp(2em, 4vw, 3.5em);
    color: var(--text-highlight);
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.2;
}

.page-on88__hero-description {
    font-size: 1.2em;
    color: var(--text-main);
    max-width: 900px;
    margin: 0 auto 30px auto;
}

/* About Section */
.page-on88__about-section {
    padding: 60px 0;
    background-color: var(--background-color);
}

/* Games Section */
.page-on88__games-section {
    padding: 60px 0;
    background-color: #0a0a0a;
}

.page-on88__games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-on88__game-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
    padding-bottom: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-on88__game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.page-on88__game-title {
    font-size: 1.5em;
    color: var(--primary-color);
    margin: 20px 15px 10px 15px;
}

.page-on88__game-description {
    font-size: 0.95em;
    color: #cccccc;
    margin: 0 15px 20px 15px;
    flex-grow: 1;
}

.page-on88__btn-play {
    margin: 0 15px;
}

/* Promotions Section */
.page-on88__promotions-section {
    padding: 60px 0;
    background-color: var(--background-color);
}

.page-on88__promotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-on88__promo-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
    padding-bottom: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-on88__promo-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.page-on88__promo-title {
    font-size: 1.4em;
    color: var(--text-highlight);
    margin: 20px 15px 10px 15px;
}

.page-on88__promo-description {
    font-size: 0.95em;
    color: #cccccc;
    margin: 0 15px 20px 15px;
    flex-grow: 1;
}

.page-on88__btn-promo {
    margin: 0 15px;
}

/* App Section */
.page-on88__app-section {
    padding: 60px 0;
    background-color: #0a0a0a;
}

.page-on88__app-content {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-on88__app-text {
    flex: 1;
    min-width: 300px;
    text-align: left;
}

.page-on88__app-image-wrapper {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.page-on88__app-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-on88__app-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.page-on88__btn-app-download {
    min-width: 180px;
}

/* Providers Section */
.page-on88__providers-section {
    padding: 60px 0;
    background-color: var(--background-color);
}

.page-on88__providers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    margin-top: 40px;
    justify-items: center;
    align-items: center;
}

.page-on88__provider-logo {
    width: 100%;
    max-width: 150px;
    height: auto;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.page-on88__provider-logo:hover {
    opacity: 1;
}

/* FAQ Section */
.page-on88__faq-section {
    padding: 60px 0;
    background-color: #0a0a0a;
}

.page-on88__faq-list {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-on88__faq-item {
    background-color: var(--card-bg);
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-on88__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    user-select: none;
    font-size: 1.2em;
    color: var(--primary-color);
    font-weight: bold;
    border-bottom: 1px solid var(--border-color);
}

.page-on88__faq-item:last-child .page-on88__faq-question {
    border-bottom: none;
}

.page-on88__faq-question:hover {
    background-color: #222222;
}

.page-on88__faq-qtext {
    pointer-events: none; /* Prevent text from blocking click event */
    flex-grow: 1;
    text-align: left;
}

.page-on88__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    margin-left: 20px;
    color: var(--text-highlight);
    pointer-events: none; /* Prevent icon from blocking click event */
}

.page-on88__faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 25px;
    opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    color: #cccccc;
    text-align: left;
}

.page-on88__faq-item.active .page-on88__faq-answer {
    max-height: 2000px !important; /* Use !important to ensure override */
    padding: 20px 25px !important;
    opacity: 1;
}

.page-on88__faq-answer p {
    margin-bottom: 10px;
}

.page-on88__faq-answer p:last-child {
    margin-bottom: 0;
}

/* Contact Section */
.page-on88__contact-section {
    padding: 60px 0;
    background-color: var(--background-color);
}

.page-on88__contact-methods {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-on88__social-media {
    margin-top: 60px;
    text-align: center;
}

.page-on88__social-title {
    font-size: 1.8em;
    color: var(--text-highlight);
    margin-bottom: 30px;
}

.page-on88__social-icons {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.page-on88__social-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.page-on88__social-icon:hover {
    transform: translateY(-5px);
    opacity: 0.9;
}

/* Floating CTA Button */
.page-on88__floating-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    padding: 15px 20px;
    box-sizing: border-box;
    text-align: center;
}

.page-on88__floating-btn {
    display: block;
    color: var(--text-main);
    font-size: 1.3em;
    font-weight: bold;
    text-decoration: none;
    background: var(--button-gradient);
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.page-on88__floating-btn:hover {
    opacity: 0.9;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .page-on88 {
        font-size: 15px;
        line-height: 1.5;
    }

    .page-on88__container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* HERO 主图区域 */
    .page-on88__hero-section {
        padding-top: 10px !important; /* Small top padding, relying on body for header offset */
        padding-bottom: 30px;
    }

    .page-on88__hero-title {
        font-size: clamp(1.8em, 7vw, 2.5em);
        margin-bottom: 15px;
    }

    .page-on88__hero-description {
        font-size: 1em;
        margin-bottom: 25px;
    }

    /* 产品展示图区域 */
    .page-on88__games-grid,
    .page-on88__promotions-grid {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
    }

    .page-on88__game-card,
    .page-on88__promo-card {
        padding-bottom: 15px;
    }

    .page-on88__game-image,
    .page-on88__promo-image {
        height: 180px;
    }

    .page-on88__game-title,
    .page-on88__promo-title {
        font-size: 1.3em;
        margin: 15px 10px 8px 10px;
    }

    .page-on88__game-description,
    .page-on88__promo-description {
        font-size: 0.9em;
        margin: 0 10px 15px 10px;
    }

    .page-on88__app-content {
        flex-direction: column;
        gap: 30px;
    }

    .page-on88__app-text {
        text-align: center;
    }

    .page-on88__app-buttons {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .page-on88__btn-app-download {
        width: 100%;
    }

    .page-on88__providers-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columns for smaller screens */
    }

    /* 通用图片与容器 */
    .page-on88 img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    .page-on88__section,
    .page-on88__card,
    .page-on88__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 按钮与按钮容器 */
    .page-on88__btn-primary,
    .page-on88__btn-secondary,
    .page-on88__btn-play,
    .page-on88__btn-promo,
    .page-on88__btn-app-download,
    .page-on88__floating-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-on88__contact-methods,
    .page-on88__app-buttons {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-direction: column;
        gap: 10px;
    }

    /* 其他内容模块 (FAQ) */
    .page-on88__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
    }

    .page-on88__faq-answer {
        padding: 15px 20px !important;
    }

    .page-on88__faq-answer p {
        font-size: 0.95em;
    }

    .page-on88__social-icons {
        gap: 15px;
    }

    .page-on88__social-icon {
        width: 40px;
        height: 40px;
    }

    .page-on88__floating-cta {
        padding: 10px 15px;
    }

    .page-on88__floating-btn {
        font-size: 1.1em;
    }
}