.page-da-ga {
    --primary-color: #113B7A;
    --secondary-color: #1D5FD1;
    --text-main-color: #F3F8FF;
    --text-secondary-color: #AFC4E8;
    --card-bg-color: #10233F;
    --border-color: #244D84;
    --gold-color: #F2C14E;
    --deep-navy-color: #08162B; /* Body background color */

    color: var(--text-main-color); /* Default text color for the page content */
    background-color: var(--deep-navy-color); /* Ensure consistency if not inherited from body */
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

.page-da-ga__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 15px;
    box-sizing: border-box;
}

/* Hero Section */
.page-da-ga__hero-section {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding-top: 10px; /* Small top padding, assuming shared.css handles body padding-top */
    background-color: var(--deep-navy-color);
}

.page-da-ga__hero-image-wrapper {
    width: 100%;
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio (1080/1920 * 100%) */
    overflow: hidden;
}

.page-da-ga__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-da-ga__hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 15px;
    max-width: 900px;
    margin: 0 auto;
    color: var(--text-main-color);
}

.page-da-ga__hero-title {
    font-size: clamp(2em, 4vw, 3.5em);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gold-color);
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-da-ga__hero-description {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: var(--text-secondary-color);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* General Buttons */
.page-da-ga__btn-primary,
.page-da-ga__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    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-da-ga__btn-primary {
    background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    color: var(--text-main-color);
    border: none;
    box-shadow: 0 4px 15px rgba(17, 68, 166, 0.4);
}

.page-da-ga__btn-primary:hover {
    background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
    box-shadow: 0 6px 20px rgba(17, 68, 166, 0.6);
    transform: translateY(-2px);
}

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

.page-da-ga__btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--text-main-color);
    transform: translateY(-2px);
}

.page-da-ga__center-button {
    margin-top: 30px;
    margin-left: auto;
    margin-right: auto;
    display: block;
    max-width: 300px;
}

/* Section Styling */
.page-da-ga__introduction-section,
.page-da-ga__types-section,
.page-da-ga__betting-guide-section,
.page-da-ga__benefits-section,
.page-da-ga__promotions-section,
.page-da-ga__tips-section,
.page-da-ga__faq-section,
.page-da-ga__cta-section {
    padding: 60px 0;
    background-color: var(--deep-navy-color);
}

.page-da-ga__dark-section {
    background-color: var(--primary-color);
    color: var(--text-main-color);
}

.page-da-ga__section-title {
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--gold-color);
    text-shadow: 0 0 8px rgba(242, 193, 78, 0.3);
}

.page-da-ga__text-block {
    font-size: 1.1em;
    margin-bottom: 20px;
    color: var(--text-secondary-color);
    text-align: justify;
}

.page-da-ga__image-content {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 30px auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* Lists */
.page-da-ga__list,
.page-da-ga__numbered-list,
.page-da-ga__tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-da-ga__list-item {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-da-ga__list-title {
    font-size: 1.5em;
    color: var(--gold-color);
    margin-bottom: 15px;
}

.page-da-ga__list-item p {
    color: var(--text-secondary-color);
    line-height: 1.7;
}

.page-da-ga__numbered-list {
    counter-reset: section;
}

.page-da-ga__numbered-list .page-da-ga__list-item {
    position: relative;
    padding-left: 60px;
}

.page-da-ga__numbered-list .page-da-ga__list-item::before {
    counter-increment: section;
    content: counter(section);
    position: absolute;
    left: 20px;
    top: 25px;
    background-color: var(--secondary-color);
    color: var(--text-main-color);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 1.1em;
}

/* Benefits Grid */
.page-da-ga__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.page-da-ga__benefit-item {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-da-ga__benefit-title {
    font-size: 1.4em;
    color: var(--gold-color);
    margin-bottom: 15px;
}

.page-da-ga__benefit-item p {
    color: var(--text-secondary-color);
}

/* Promotions Cards */
.page-da-ga__promotion-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.page-da-ga__card {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    color: var(--text-main-color);
}

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

.page-da-ga__card-title {
    font-size: 1.3em;
    color: var(--gold-color);
    margin: 20px 20px 10px 20px;
}

.page-da-ga__card-text {
    font-size: 1em;
    color: var(--text-secondary-color);
    padding: 0 20px;
    flex-grow: 1;
}

.page-da-ga__card .page-da-ga__btn-primary,
.page-da-ga__card .page-da-ga__btn-secondary {
    margin: 20px;
    width: calc(100% - 40px);
}

/* Tips List */
.page-da-ga__tips-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.page-da-ga__tip-item {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-da-ga__tip-title {
    font-size: 1.4em;
    color: var(--gold-color);
    margin-bottom: 15px;
}

.page-da-ga__tip-item p {
    color: var(--text-secondary-color);
}

/* FAQ Section */
.page-da-ga__faq-list {
    margin-top: 30px;
}

.page-da-ga__faq-item {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-da-ga__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--gold-color);
    cursor: pointer;
    list-style: none;
}

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

.page-da-ga__faq-qtext {
    flex-grow: 1;
}

.page-da-ga__faq-toggle {
    font-size: 1.5em;
    margin-left: 15px;
    transition: transform 0.3s ease;
}

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

.page-da-ga__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1em;
    color: var(--text-secondary-color);
    line-height: 1.7;
}

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

/* CTA Section */
.page-da-ga__cta-section {
    text-align: center;
    background-color: var(--primary-color);
    padding: 80px 0;
}

.page-da-ga__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}


/* --- Responsive Design --- */

/* Tablet and Mobile (max-width: 1024px) */
@media (max-width: 1024px) {
    .page-da-ga__container {
        padding: 20px;
    }

    .page-da-ga__hero-title {
        font-size: clamp(1.8em, 5vw, 3em);
    }

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

    .page-da-ga__benefits-grid,
    .page-da-ga__promotion-cards,
    .page-da-ga__tips-list {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-da-ga__hero-section {
        padding-top: 10px;
    }
    .page-da-ga__hero-content {
        padding: 30px 15px;
    }
    .page-da-ga__hero-title {
        font-size: 1.8em !important;
        margin-bottom: 15px;
    }
    .page-da-ga__hero-description {
        font-size: 1em;
        margin-bottom: 25px;
    }
    .page-da-ga__hero-cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    /* General Section Padding */
    .page-da-ga__introduction-section,
    .page-da-ga__types-section,
    .page-da-ga__betting-guide-section,
    .page-da-ga__benefits-section,
    .page-da-ga__promotions-section,
    .page-da-ga__tips-section,
    .page-da-ga__faq-section,
    .page-da-ga__cta-section {
        padding: 40px 0;
    }

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

    .page-da-ga__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .page-da-ga__text-block {
        font-size: 0.95em;
    }

    /* 通用图片与容器 */
    .page-da-ga img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }

    .page-da-ga__image-content {
        margin: 20px auto;
    }

    /* Lists */
    .page-da-ga__list-item {
        padding: 20px;
    }
    .page-da-ga__list-title {
        font-size: 1.3em;
    }
    .page-da-ga__numbered-list .page-da-ga__list-item::before {
        top: 20px;
    }

    /* Benefits Grid */
    .page-da-ga__benefits-grid {
        grid-template-columns: 1fr;
    }

    /* Promotions Cards */
    .page-da-ga__promotion-cards {
        grid-template-columns: 1fr;
    }
    .page-da-ga__card-image {
        height: 180px;
    }
    .page-da-ga__card .page-da-ga__btn-primary,
    .page-da-ga__card .page-da-ga__btn-secondary {
        width: calc(100% - 40px);
    }

    /* Tips List */
    .page-da-ga__tips-list {
        grid-template-columns: 1fr;
    }

    /* FAQ */
    .page-da-ga__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
    }
    .page-da-ga__faq-answer {
        padding: 0 20px 15px 20px;
    }

    /* 按钮与按钮容器 */
    .page-da-ga__btn-primary,
    .page-da-ga__btn-secondary,
    .page-da-ga a[class*="button"],
    .page-da-ga 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-da-ga__hero-cta-buttons,
    .page-da-ga__cta-buttons,
    .page-da-ga__button-group,
    .page-da-ga__btn-container {
      max-width: 100% !important;
      width: 100% !important;
      box-sizing: border-box !important;
      padding-left: 15px;
      padding-right: 15px;
      flex-direction: column !important;
      gap: 15px;
    }
    .page-da-ga__center-button {
        max-width: 100% !important;
        width: 100% !important;
    }
}