.page-promotions {
    font-family: 'Arial', sans-serif;
    color: #333333; /* Default text color for light body background */
    line-height: 1.6;
}

.page-promotions__hero-section {
    position: relative;
    width: 100%;
    padding-top: 10px; /* Small top padding for fixed header */
    margin-bottom: 40px;
    background-color: #f0f8ff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.page-promotions__hero-image-wrapper {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
}

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

.page-promotions__hero-content-wrapper {
    padding: 30px 20px;
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-50px); /* Overlap with image slightly */
    margin-bottom: -50px; /* Adjust for overlap */
}

.page-promotions__main-title {
    font-size: clamp(28px, 4vw, 42px);
    color: #26A9E0;
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.2;
}

.page-promotions__description {
    font-size: 18px;
    margin-bottom: 25px;
    color: #555555;
}

.page-promotions__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.page-promotions__btn-primary,
.page-promotions__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-promotions__btn-primary {
    background-color: #26A9E0;
    color: #ffffff;
    border: 2px solid #26A9E0;
}

.page-promotions__btn-primary:hover {
    background-color: #1e87c0;
    border-color: #1e87c0;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(38, 169, 224, 0.3);
}

.page-promotions__btn-secondary {
    background-color: #ffffff;
    color: #26A9E0;
    border: 2px solid #26A9E0;
}

.page-promotions__btn-secondary:hover {
    background-color: #f0f8ff;
    color: #1e87c0;
    border-color: #1e87c0;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(38, 169, 224, 0.1);
}

.page-promotions__section {
    padding: 60px 0;
    margin-bottom: 20px;
}

.page-promotions__dark-section {
    background-color: #26A9E0;
    color: #ffffff;
}

.page-promotions__dark-section .page-promotions__section-title,
.page-promotions__dark-section .page-promotions__section-intro {
    color: #ffffff;
}

.page-promotions__light-bg {
    background-color: #f9f9f9;
    color: #333333;
}

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

.page-promotions__section-title {
    font-size: clamp(24px, 3.5vw, 36px);
    color: #26A9E0;
    text-align: center;
    margin-bottom: 25px;
    font-weight: 700;
}

.page-promotions__section-intro {
    font-size: 17px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.7;
    color: #555555;
}

.page-promotions__dark-section .page-promotions__section-intro {
    color: #e0f2f7;
}

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

.page-promotions__promo-card {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: center;
    padding-bottom: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: #333333;
}

.page-promotions__promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-promotions__promo-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    margin-bottom: 20px;
}

.page-promotions__promo-card-title {
    font-size: 22px;
    color: #26A9E0;
    margin-bottom: 15px;
    padding: 0 20px;
    font-weight: 600;
}

.page-promotions__promo-card-text {
    font-size: 16px;
    color: #555555;
    padding: 0 20px;
    line-height: 1.7;
}

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

.page-promotions__guide-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: left;
    transition: box-shadow 0.3s ease;
}

.page-promotions__guide-item:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.page-promotions__guide-title {
    font-size: 20px;
    color: #26A9E0;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-promotions__guide-item p {
    font-size: 16px;
    color: #555555;
}

.page-promotions__guide-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 40px auto 0;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.page-promotions__terms-list {
    list-style: none;
    padding: 0;
    margin: 40px auto 0;
    max-width: 900px;
}

.page-promotions__terms-list li {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 18px 25px;
    margin-bottom: 12px;
    border-radius: 8px;
    font-size: 16px;
    color: #ffffff;
    display: flex;
    align-items: flex-start;
    line-height: 1.8;
}

.page-promotions__terms-list li strong {
    color: #ffffff;
    min-width: 120px;
    margin-right: 15px;
}

.page-promotions__terms-list li:last-child {
    margin-bottom: 0;
}

.page-promotions__terms-note {
    font-size: 16px;
    text-align: center;
    max-width: 800px;
    margin: 30px auto 0;
    color: #e0f2f7;
}

/* FAQ Styles */
details.page-promotions__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #e0e0e0;
    overflow: hidden;
    background: #fff;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

details.page-promotions__faq-item summary.page-promotions__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
}

details.page-promotions__faq-item summary.page-promotions__faq-question::-webkit-details-marker {
    display: none;
}

details.page-promotions__faq-item summary.page-promotions__faq-question:hover {
    background: #f5f5f5;
}

.page-promotions__faq-qtext {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: #333333;
}

.page-promotions__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    color: #666;
    flex-shrink: 0;
    margin-left: 15px;
    width: 28px;
    text-align: center;
}

details.page-promotions__faq-item .page-promotions__faq-answer {
    padding: 0 20px 20px;
    background: #f9f9f9;
    border-radius: 0 0 5px 5px;
    color: #555555;
}

.page-promotions__why-choose-list {
    list-style: none;
    padding: 0;
    margin: 40px auto 0;
    max-width: 900px;
}

.page-promotions__why-choose-list li {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 18px 25px;
    margin-bottom: 12px;
    border-radius: 8px;
    font-size: 16px;
    color: #ffffff;
    line-height: 1.8;
}

.page-promotions__why-choose-list li strong {
    color: #ffffff;
    display: block;
    margin-bottom: 5px;
}

.page-promotions__why-choose-list li:last-child {
    margin-bottom: 0;
}

.page-promotions__why-choose-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 40px auto 0;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.page-promotions__cta-section {
    padding: 80px 0;
    text-align: center;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
    .page-promotions__hero-content-wrapper {
        transform: translateY(-30px);
        margin-bottom: -30px;
    }
    .page-promotions__main-title {
        font-size: clamp(26px, 3.8vw, 38px);
    }
    .page-promotions__description {
        font-size: 17px;
    }
    .page-promotions__section-title {
        font-size: clamp(22px, 3.2vw, 32px);
    }
    .page-promotions__section-intro {
        font-size: 16px;
    }
    .page-promotions__promo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-promotions__guide-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-promotions {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-promotions__hero-section {
        padding-top: 10px;
        margin-bottom: 20px;
    }
    .page-promotions__hero-image-wrapper {
        max-height: 300px;
    }
    .page-promotions__hero-image {
        object-fit: contain !important; /* HERO 主图区域 */
        aspect-ratio: unset !important;
    }
    .page-promotions__hero-content-wrapper {
        padding: 20px 15px;
        transform: translateY(-20px);
        margin-bottom: -20px;
        max-width: calc(100% - 30px); /* Ensure padding for content wrapper */
    }
    .page-promotions__main-title {
        font-size: clamp(24px, 6vw, 32px);
        margin-bottom: 10px;
    }
    .page-promotions__description {
        font-size: 15px;
        margin-bottom: 20px;
    }
    .page-promotions__cta-buttons {
        flex-direction: column;
        gap: 10px;
        padding: 0 15px;
    }
    .page-promotions__btn-primary,
    .page-promotions__btn-secondary {
        width: 100% !important; /* 按钮与按钮容器 */
        max-width: 100% !important;
        padding: 12px 15px !important;
        font-size: 16px !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }
    .page-promotions__section {
        padding: 40px 0;
    }
    .page-promotions__container {
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-promotions__section-title {
        font-size: clamp(20px, 5vw, 28px);
        margin-bottom: 20px;
    }
    .page-promotions__section-intro {
        font-size: 15px;
        margin-bottom: 30px;
    }
    .page-promotions__promo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-promotions__promo-card {
        padding-bottom: 20px;
    }
    .page-promotions__promo-card-image {
        height: 180px;
    }
    .page-promotions__promo-card-title {
        font-size: 20px;
        padding: 0 15px;
    }
    .page-promotions__promo-card-text {
        font-size: 15px;
        padding: 0 15px;
    }
    .page-promotions__guide-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-promotions__guide-item {
        padding: 25px;
    }
    .page-promotions__guide-title {
        font-size: 18px;
    }
    .page-promotions__guide-item p {
        font-size: 15px;
    }
    .page-promotions__guide-image,
    .page-promotions__why-choose-image {
        max-width: 100% !important; /* 通用图片与容器 */
        width: 100% !important;
        height: auto !important;
        margin: 30px auto 0 !important;
        box-sizing: border-box !important;
    }
    .page-promotions__terms-list,
    .page-promotions__why-choose-list {
        margin-top: 20px;
    }
    .page-promotions__terms-list li,
    .page-promotions__why-choose-list li {
        padding: 15px 20px;
        font-size: 15px;
        flex-direction: column;
        align-items: flex-start;
    }
    .page-promotions__terms-list li strong {
        min-width: unset;
        margin-right: 0;
        margin-bottom: 5px;
    }
    details.page-promotions__faq-item summary.page-promotions__faq-question {
        padding: 15px;
    }
    .page-promotions__faq-qtext {
        font-size: 15px;
    }
    .page-promotions__faq-toggle {
        font-size: 20px;
        width: 24px;
        height: 24px;
    }
    details.page-promotions__faq-item .page-promotions__faq-answer {
        padding: 0 15px 15px;
    }
    .page-promotions__cta-section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .page-promotions__promo-grid {
        grid-template-columns: 1fr;
    }
    .page-promotions__guide-steps {
        grid-template-columns: 1fr;
    }
    .page-promotions__hero-content-wrapper {
        padding: 15px 10px;
    }
    .page-promotions__main-title {
        font-size: clamp(22px, 7vw, 28px);
    }
    .page-promotions__description {
        font-size: 14px;
    }
    .page-promotions__btn-primary,
    .page-promotions__btn-secondary {
        font-size: 15px !important;
    }
    .page-promotions__section-title {
        font-size: clamp(18px, 6vw, 24px);
    }
    .page-promotions__section-intro {
        font-size: 14px;
    }
    .page-promotions__promo-card-title {
        font-size: 18px;
    }
    .page-promotions__promo-card-text {
        font-size: 14px;
    }
    .page-promotions__guide-title {
        font-size: 17px;
    }
    .page-promotions__guide-item p {
        font-size: 14px;
    }
    .page-promotions__terms-list li,
    .page-promotions__why-choose-list li {
        font-size: 14px;
    }
    .page-promotions__faq-qtext {
        font-size: 14px;
    }
}