.page-da-ga {
    font-family: 'Arial', sans-serif;
    color: #333333;
    background-color: #FFFFFF;
    line-height: 1.6;
}

.page-da-ga__hero-section {
    background-color: #f0f8ff;
    padding-bottom: 40px;
    text-align: center;
}

.page-da-ga__hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px 0;
}

.page-da-ga__hero-image {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-da-ga__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    color: #26A9E0;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.page-da-ga__description {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    max-width: 800px;
    margin: 0 auto 30px;
    color: #555555;
}

.page-da-ga__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.page-da-ga__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
    text-align: center;
}

.page-da-ga__btn--primary {
    background-color: #26A9E0;
    color: #FFFFFF;
    border: 2px solid #26A9E0;
}

.page-da-ga__btn--primary:hover {
    background-color: #1a8ccb;
    border-color: #1a8ccb;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(38, 169, 224, 0.3);
}

.page-da-ga__btn--secondary {
    background-color: #FFFFFF;
    color: #26A9E0;
    border: 2px solid #26A9E0;
}

.page-da-ga__btn--secondary:hover {
    background-color: #f0f8ff;
    color: #1a8ccb;
    border-color: #1a8ccb;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(38, 169, 224, 0.1);
}

.page-da-ga__section {
    padding: 60px 0;
}

.page-da-ga__section:nth-of-type(even) {
    background-color: #f9f9f9;
}

.page-da-ga__dark-section {
    background-color: #26A9E0;
    color: #FFFFFF;
}

.page-da-ga__dark-section .page-da-ga__section-title,
.page-da-ga__dark-section h3 {
    color: #FFFFFF;
}

.page-da-ga__dark-section p {
    color: #e0e0e0;
}

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

.page-da-ga__article-wrap {
    max-width: 900px;
    margin: 0 auto;
}

.page-da-ga__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    color: #26A9E0;
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
    line-height: 1.3;
}

.page-da-ga__dark-section .page-da-ga__section-title {
    color: #FFFFFF;
}

.page-da-ga p {
    margin-bottom: 15px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.page-da-ga a {
    color: #26A9E0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-da-ga a:hover {
    color: #1a8ccb;
    text-decoration: underline;
}

.page-da-ga__figure {
    margin: 30px auto;
    text-align: center;
    background-color: #f0f0f0;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-da-ga__image-content {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
    margin: 0 auto;
}

.page-da-ga__figcaption {
    font-size: 0.9rem;
    color: #666666;
    margin-top: 10px;
    font-style: italic;
}

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

.page-da-ga__feature-item {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-da-ga__feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #FFFFFF;
    font-weight: 600;
}

.page-da-ga__step-list {
    list-style: none;
    padding: 0;
    counter-reset: step-counter;
}

.page-da-ga__step-item {
    background-color: #FFFFFF;
    border: 1px solid #e0e0e0;
    border-left: 5px solid #26A9E0;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
}

.page-da-ga__step-item::before {
    counter-increment: step-counter;
    content: "Bước " counter(step-counter);
    position: absolute;
    top: -15px;
    left: 20px;
    background-color: #26A9E0;
    color: #FFFFFF;
    padding: 5px 15px;
    border-radius: 5px;
    font-weight: 700;
    font-size: 0.9rem;
}

.page-da-ga__step-title {
    font-size: 1.4rem;
    color: #26A9E0;
    margin-top: 10px;
    margin-bottom: 10px;
    font-weight: 600;
}

.page-da-ga__betting-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.page-da-ga__betting-item {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.page-da-ga__betting-title {
    font-size: 1.4rem;
    color: #FFFFFF;
    margin-bottom: 10px;
    font-weight: 600;
}

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

.page-da-ga__promo-card {
    background-color: #FFFFFF;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-da-ga__promo-title {
    font-size: 1.5rem;
    color: #26A9E0;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-da-ga__btn--promo {
    margin-top: 20px;
    background-color: #EA7C07;
    color: #FFFFFF;
    border-color: #EA7C07;
}

.page-da-ga__btn--promo:hover {
    background-color: #d16e06;
    border-color: #d16e06;
}

.page-da-ga__tips-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.page-da-ga__tip-item {
    background-color: #FFFFFF;
    border: 1px solid #e0e0e0;
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-da-ga__tip-title {
    font-size: 1.3rem;
    color: #26A9E0;
    margin-bottom: 10px;
    font-weight: 600;
}

.page-da-ga__faq-list {
    margin-top: 30px;
}

.page-da-ga__faq-item {
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-da-ga__faq-question {
    font-size: 1.2rem;
    color: #FFFFFF;
    padding: 18px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    position: relative;
    margin: 0;
}

.page-da-ga__faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.page-da-ga__faq-item.active .page-da-ga__faq-question::after {
    content: '-';
    transform: rotate(180deg);
}

.page-da-ga__faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
    padding: 0 25px;
    color: #e0e0e0;
}

.page-da-ga__faq-item.active .page-da-ga__faq-answer {
    max-height: 500px; /* Adjust as needed */
    padding-bottom: 25px;
}

.page-da-ga__final-cta-section {
    background-color: #f0f8ff;
    text-align: center;
    padding: 80px 0;
}

.page-da-ga__final-cta-section .page-da-ga__section-title {
    color: #26A9E0;
}

.page-da-ga__final-cta-section .page-da-ga__description {
    margin-bottom: 40px;
}

.page-da-ga__final-cta-section .page-da-ga__cta-buttons {
    margin-bottom: 0;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
    .page-da-ga__hero-content,
    .page-da-ga__container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-da-ga__features-grid,
    .page-da-ga__betting-list,
    .page-da-ga__promo-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    /* 1. 顶区标题 + 双 CTA */
    .page-da-ga__hero-content {
        padding-top: 10px !important; /* 强制小顶距 */
    }

    .page-da-ga__main-title {
        font-size: 2.2rem !important;
    }

    .page-da-ga__description {
        font-size: 1rem !important;
    }

    .page-da-ga__cta-buttons {
        flex-direction: column !important; /* 强制垂直堆叠 */
        gap: 10px;
        padding-left: 15px;
        padding-right: 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-da-ga__btn {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px !important;
        font-size: 1rem !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }

    /* 2. 单栏长文容器 */
    .page-da-ga__section {
        padding: 40px 0 !important;
    }

    .page-da-ga__article-wrap,
    .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: 2rem !important;
        margin-bottom: 30px !important;
    }

    .page-da-ga p {
        font-size: 0.95rem !important;
    }

    /* 3. 通用图片与 figure */
    .page-da-ga img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-da-ga__figure {
        margin: 20px auto !important;
        padding: 8px !important;
    }

    .page-da-ga__figcaption {
        font-size: 0.85rem !important;
    }

    /* 4. 按钮与按钮容器 (already covered in cta-buttons, but general rule for all buttons) */
    .page-da-ga__btn-primary,
    .page-da-ga__btn-secondary,
    .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__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-wrap: wrap !important;
        gap: 10px;
    }

    /* 5. 注册教程与 FAQ 区块 */
    .page-da-ga__step-item {
        padding: 20px !important;
        border-left-width: 3px !important;
    }

    .page-da-ga__step-item::before {
        top: -12px !important;
        left: 15px !important;
        padding: 4px 12px !important;
        font-size: 0.8rem !important;
    }

    .page-da-ga__step-title {
        font-size: 1.25rem !important;
    }

    .page-da-ga__faq-question {
        font-size: 1.1rem !important;
        padding: 15px 20px !important;
    }

    .page-da-ga__faq-answer {
        padding: 0 20px !important;
    }

    .page-da-ga__features-grid,
    .page-da-ga__betting-list,
    .page-da-ga__promo-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .page-da-ga__feature-item,
    .page-da-ga__betting-item,
    .page-da-ga__promo-card,
    .page-da-ga__tip-item {
        padding: 20px !important;
    }

    .page-da-ga__feature-title,
    .page-da-ga__betting-title,
    .page-da-ga__promo-title,
    .page-da-ga__tip-title {
        font-size: 1.3rem !important;
    }

    .page-da-ga__final-cta-section {
        padding: 60px 0 !important;
    }
}