.page-da-ga {
    --primary-color: #C61F1F;
    --secondary-color: #E53030;
    --button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
    --card-bg: #2A1212;
    --page-bg: #140C0C; /* Body background from shared.css will be this */
    --text-main-color: #FFF1E8;
    --border-color: #6A1E1E;
    --gold-color: #F3C54D;
    --deep-red-color: #7E0D0D;

    color: var(--text-main-color); /* Light text for dark body background */
    background-color: var(--page-bg); /* Ensure sections inherit this or define specific dark backgrounds */
}

.page-da-ga__content-container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 40px 16px;
    box-sizing: border-box;
}

/* --- HERO Section --- */
.page-da-ga__hero-section {
    padding-top: 10px; /* Small top padding, relying on body for header offset */
    padding-bottom: 60px;
    background-color: var(--page-bg); /* Consistent with body background */
}

.page-da-ga__hero-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 40px;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 16px;
}

.page-da-ga__hero-content {
    flex: 1 1 50%;
    min-width: 300px;
    text-align: left;
    color: var(--text-main-color); /* Light text */
}

.page-da-ga__hero-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem); /* Using clamp for H1 */
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--gold-color); /* Gold for main title */
}

.page-da-ga__hero-description {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.page-da-ga__hero-cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.page-da-ga__btn-primary,
.page-da-ga__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    max-width: 100%; /* Ensure buttons don't overflow */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-da-ga__btn-primary {
    background: var(--button-gradient);
    color: #ffffff; /* White text for primary button */
    border: none;
}

.page-da-ga__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-da-ga__btn-secondary {
    background: transparent;
    color: var(--gold-color); /* Gold text for secondary button */
    border: 2px solid var(--gold-color);
}

.page-da-ga__btn-secondary:hover {
    background: var(--gold-color);
    color: var(--page-bg); /* Dark text on hover */
    transform: translateY(-2px);
}

.page-da-ga__hero-image {
    flex: 1 1 40%;
    min-width: 300px;
    text-align: center;
}

.page-da-ga__hero-side-image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
}

/* --- General Section Styling --- */
.page-da-ga__section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--gold-color); /* Gold for section titles */
}

.page-da-ga__section-description {
    font-size: 1.125rem;
    line-height: 1.6;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    color: var(--text-main-color);
}

.page-da-ga__dark-bg {
    background-color: var(--card-bg); /* Dark card background */
    color: var(--text-main-color); /* Light text */
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

/* --- Intro Section (Module 1) --- */
.page-da-ga__intro-section {
    padding: 60px 0;
    background-color: var(--page-bg);
}

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

.page-da-ga__feature-item {
    text-align: center;
}

.page-da-ga__icon-box-media {
    width: 280px; /* Fixed size for square image */
    height: 280px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--gold-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-da-ga__icon-box-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 50%; /* Ensure image is also round */
}

.page-da-ga__feature-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--gold-color);
}

.page-da-ga__feature-text {
    font-size: 1rem;
    line-height: 1.6;
}

/* --- Why Choose Section --- */
.page-da-ga__why-choose-section {
    padding: 60px 0;
    background-color: var(--page-bg);
}

.page-da-ga__two-column-layout {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-top: 40px;
}

.page-da-ga__two-column-layout--reverse {
    flex-direction: row-reverse;
}

.page-da-ga__text-content {
    flex: 1;
    min-width: 300px;
    color: var(--text-main-color);
}

.page-da-ga__bullet-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.page-da-ga__bullet-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    line-height: 1.6;
}

.page-da-ga__bullet-list li::before {
    content: '★'; /* Star icon */
    color: var(--gold-color);
    position: absolute;
    left: 0;
    top: 0;
}

.page-da-ga__image-content {
    flex: 1;
    text-align: center;
    min-width: 300px;
}

.page-da-ga__responsive-image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
}

.page-da-ga__mt-20 {
    margin-top: 20px;
}

/* --- Guide Section --- */
.page-da-ga__guide-section {
    padding: 60px 0;
    background-color: var(--page-bg);
}

.page-da-ga__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-da-ga__step-item {
    text-align: center;
    position: relative;
    padding-top: 60px; /* Space for step number */
}

.page-da-ga__step-number {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: var(--gold-color);
    color: var(--page-bg); /* Dark text on gold number */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
}

.page-da-ga__step-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--gold-color);
}

.page-da-ga__step-text {
    font-size: 1rem;
    line-height: 1.6;
}

.page-da-ga__centered-cta {
    text-align: center;
    margin-top: 50px;
}

/* --- Tips Section --- */
.page-da-ga__tips-section {
    padding: 60px 0;
    background-color: var(--page-bg);
}

/* --- FAQ Section --- */
.page-da-ga__faq-section {
    padding: 60px 0;
    background-color: var(--page-bg);
}

.page-da-ga__faq-list {
    margin-top: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-da-ga__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-sizing: border-box; /* Crucial for consistent padding */
}

.page-da-ga__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none; /* Hide default marker for details */
    color: var(--gold-color); /* Gold for questions */
}

.page-da-ga__faq-question::-webkit-details-marker {
    display: none; /* Hide default marker for webkit browsers */
}

.page-da-ga__faq-toggle {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
    transition: transform 0.3s ease;
    color: var(--gold-color);
}

.page-da-ga__faq-item[open] .page-da-ga__faq-toggle {
    transform: rotate(45deg); /* Rotate to form an 'X' or similar */
}

.page-da-ga__faq-answer {
    padding: 0 25px 20px;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-main-color);
}

.page-da-ga__faq-answer p {
    margin: 0;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
    .page-da-ga__hero-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }
    .page-da-ga__section-title {
        font-size: 2rem;
    }
    .page-da-ga__icon-box-media {
        width: 240px;
        height: 240px;
    }
}

@media (max-width: 768px) {
    /* 1. HERO 双栏 */
    .page-da-ga__hero-section {
        padding-top: 10px !important; /* Small top padding for mobile */
        padding-bottom: 40px;
    }
    .page-da-ga__hero-container {
        flex-direction: column;
        gap: 30px;
        padding: 0 15px;
    }
    .page-da-ga__hero-content {
        text-align: center;
    }
    .page-da-ga__hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    .page-da-ga__hero-description {
        font-size: 1rem;
    }
    .page-da-ga__hero-cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-da-ga__btn-primary,
    .page-da-ga__btn-secondary {
        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-da-ga__hero-image {
        order: -1; /* Image above text on mobile */
    }

    /* 2. Module 1 Three-column round images */
    .page-da-ga__icon-box-media {
        width: 200px;
        height: 200px;
        border-width: 2px;
    }

    /* 3. Not applicable: Seven Tab game area - this page does not have it */

    /* 4. Tutorial long text / Promotion / Trust / FAQ / blog / intro layout */
    .page-da-ga__content-container {
        padding: 30px 15px;
    }
    .page-da-ga__section-title {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }
    .page-da-ga__section-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }
    .page-da-ga__two-column-layout {
        flex-direction: column;
        gap: 30px;
    }
    .page-da-ga__two-column-layout--reverse {
        flex-direction: column;
    }
    .page-da-ga__guide-steps {
        grid-template-columns: 1fr;
    }
    .page-da-ga__faq-question {
        font-size: 1.1rem;
        padding: 15px 20px;
    }
    .page-da-ga__faq-answer {
        padding: 0 20px 15px;
    }

    /* 5. General images and containers */
    .page-da-ga img:not(.page-da-ga__icon-box-media img) {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
    .page-da-ga__content-container,
    .page-da-ga__features-grid,
    .page-da-ga__two-column-layout,
    .page-da-ga__guide-steps,
    .page-da-ga__faq-list,
    .page-da-ga__hero-cta-buttons,
    .page-da-ga__centered-cta {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-da-ga__icon-box-media img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
    }

    /* 6. Buttons and button containers (already covered in HERO section, ensure general application) */
    .page-da-ga__hero-cta-buttons,
    .page-da-ga__centered-cta {
        flex-direction: column;
        gap: 15px;
    }
    .page-da-ga__btn-primary,
    .page-da-ga__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }
}