.page-register {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #ffffff; /* Body background is dark, so text is light */
    background-color: transparent; /* Main content background is transparent, relies on body background */
}

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

.page-register__hero-section {
    position: relative;
    text-align: center;
    padding-top: 10px; /* Small top padding, relying on body padding-top for header offset */
    padding-bottom: 60px;
    overflow: hidden;
}

.page-register__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.page-register__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4); /* Darken image for text readability */
}

.page-register__hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 20px;
    background: rgba(0, 0, 0, 0.6); /* Semi-transparent dark background for text contrast */
    border-radius: 10px;
    color: #ffffff;
}

.page-register__main-title {
    font-size: clamp(2.5em, 4vw, 3.5em); /* Responsive font size */
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #ffffff;
}

.page-register__subtitle {
    font-size: 1.2em;
    margin-bottom: 40px;
    color: #f0f0f0;
}

.page-register__btn-primary,
.page-register__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    box-sizing: border-box;
    max-width: 100%; /* Ensure buttons are responsive */
    white-space: normal;
    word-wrap: break-word;
}

.page-register__btn-primary {
    background-color: #26A9E0; /* Primary brand color */
    color: #ffffff;
    border: 2px solid #26A9E0;
}

.page-register__btn-primary:hover {
    background-color: #1a8cc7;
    border-color: #1a8cc7;
}

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

.page-register__btn-secondary:hover {
    background-color: #26A9E0;
    color: #ffffff;
}

.page-register__btn-large {
    padding: 18px 35px;
    font-size: 1.1em;
}

.page-register__section-title {
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 20px;
    text-align: center;
    color: #26A9E0;
}

.page-register__section-description {
    font-size: 1.1em;
    text-align: center;
    margin-bottom: 50px;
    color: #f0f0f0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Benefits Section */
.page-register__benefits-section {
    padding: 80px 0;
    background-color: #0d0d0d; /* Dark background for this section */
    color: #ffffff;
}

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

.page-register__benefit-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-register__benefit-icon {
    width: 200px; /* Minimum size requirement */
    height: 150px; /* Adjusted for aspect ratio, ensuring >200px for width/height attributes if possible */
    object-fit: contain;
    margin-bottom: 20px;
    max-width: 100%;
    height: auto;
}

.page-register__card-title {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: 15px;
    color: #26A9E0;
}

.page-register__card-text {
    font-size: 1em;
    color: #f0f0f0;
}

/* Steps Section */
.page-register__steps-section {
    padding: 80px 0;
    background-color: #1a1a1a; /* Darker background */
    color: #ffffff;
}

.page-register__steps-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.page-register__step-item {
    text-align: center;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
}

.page-register__step-item:hover {
    transform: translateY(-5px);
}

.page-register__step-number {
    font-size: 3em;
    font-weight: bold;
    color: #26A9E0;
    margin-bottom: 15px;
}

.page-register__step-title {
    font-size: 1.4em;
    font-weight: bold;
    margin-bottom: 10px;
    color: #ffffff;
}

.page-register__step-text {
    font-size: 0.95em;
    color: #f0f0f0;
}

/* Security Section */
.page-register__security-section {
    padding: 80px 0;
    background-color: #0d0d0d; /* Dark background */
    color: #ffffff;
}

.page-register__security-section .page-register__container {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.page-register__security-content {
    flex: 1;
    min-width: 300px;
}

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

.page-register__security-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-register__security-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.page-register__security-item {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-left: 5px solid #26A9E0;
    margin-bottom: 15px;
    border-radius: 5px;
}

.page-register__security-feature-title {
    font-size: 1.3em;
    font-weight: bold;
    color: #26A9E0;
    margin-bottom: 5px;
}

.page-register__security-feature-text {
    font-size: 0.95em;
    color: #f0f0f0;
}

/* Promotions Section */
.page-register__promotions-section {
    padding: 80px 0;
    background-color: #1a1a1a;
    color: #ffffff;
}

.page-register__promo-content {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

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

.page-register__promo-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-register__promo-details {
    flex: 1;
    min-width: 300px;
}

.page-register__promo-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.page-register__promo-item {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-left: 5px solid #EA7C07; /* Login color for promotion accent */
    margin-bottom: 15px;
    border-radius: 5px;
}

.page-register__promo-feature {
    font-size: 1.3em;
    font-weight: bold;
    color: #EA7C07;
    margin-bottom: 5px;
}

.page-register__promo-description {
    font-size: 0.95em;
    color: #f0f0f0;
}

/* FAQ Section */
.page-register__faq-section {
    padding: 80px 0;
    background-color: #0d0d0d;
    color: #ffffff;
}

.page-register__faq-list {
    max-width: 900px;
    margin: 50px auto 30px auto;
}

.page-register__faq-item {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #ffffff;
}

.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    list-style: none; /* For details/summary */
}

.page-register__faq-item[open] > .page-register__faq-question {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

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

.page-register__faq-qtext {
    color: #ffffff;
}

.page-register__faq-toggle {
    font-size: 1.5em;
    font-weight: normal;
    color: #26A9E0;
    margin-left: 15px;
}

.page-register__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1em;
    color: #f0f0f0;
}

.page-register__more-questions {
    text-align: center;
    font-size: 1.1em;
    margin-top: 40px;
    color: #f0f0f0;
}

.page-register__more-questions a {
    color: #26A9E0;
    text-decoration: none;
    font-weight: bold;
}

.page-register__more-questions a:hover {
    text-decoration: underline;
}

/* CTA Section */
.page-register__cta-section {
    padding: 80px 0;
    background-color: #26A9E0; /* Brand color for final CTA */
    color: #ffffff;
    text-align: center;
}

.page-register__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

/* General image responsiveness */
.page-register img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
    .page-register__main-title {
        font-size: clamp(2em, 5vw, 3em);
    }
    .page-register__section-title {
        font-size: 2em;
    }
    .page-register__hero-content {
        padding: 60px 20px;
    }
    .page-register__security-section .page-register__container,
    .page-register__promotions-section .page-register__promo-content {
        flex-direction: column;
        text-align: center;
    }
    .page-register__security-image-wrapper,
    .page-register__promo-image-wrapper {
        order: -1; /* Image above text on smaller screens */
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-register__hero-section {
        padding-top: 10px !important; /* Small top padding for mobile */
        padding-bottom: 40px !important;
    }
    .page-register__hero-content {
        padding: 40px 15px !important;
        border-radius: 0 !important;
    }
    .page-register__main-title {
        font-size: clamp(1.8em, 7vw, 2.5em) !important;
        margin-bottom: 15px !important;
    }
    .page-register__subtitle {
        font-size: 1em !important;
        margin-bottom: 30px !important;
    }

    /* 通用图片与容器 */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-register__container,
    .page-register__benefit-card,
    .page-register__step-item,
    .page-register__security-content,
    .page-register__promo-details,
    .page-register__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    .page-register__benefits-section,
    .page-register__steps-section,
    .page-register__security-section,
    .page-register__promotions-section,
    .page-register__faq-section,
    .page-register__cta-section {
        padding: 40px 0 !important;
    }
    .page-register__section-title {
        font-size: 1.8em !important;
        margin-bottom: 15px !important;
    }
    .page-register__section-description {
        font-size: 0.95em !important;
        margin-bottom: 30px !important;
    }

    /* 按钮与按钮容器 */
    .page-register__btn-primary,
    .page-register__btn-secondary,
    .page-register a[class*="button"],
    .page-register 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 !important;
        padding-right: 15px !important;
        margin-bottom: 10px; /* Add spacing between stacked buttons */
    }
    .page-register__cta-buttons {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        flex-direction: column !important; /* Stack buttons vertically */
        gap: 0 !important; /* Remove gap when stacked */
    }
    .page-register__cta-buttons .page-register__btn-large:last-child {
        margin-bottom: 0;
    }

    /* 产品展示图区域 (General image rules and flex/grid adjustments cover this) */
    .page-register__benefits-grid,
    .page-register__steps-list {
        grid-template-columns: 1fr !important; /* Single column layout */
        gap: 20px !important;
    }
    .page-register__benefit-icon {
        width: 200px !important; /* Minimum size */
        height: auto !important;
    }

    /* Other content modules (FAQ) */
    .page-register__faq-question {
        font-size: 1.1em !important;
        padding: 15px !important;
    }
    .page-register__faq-answer {
        padding: 0 15px 15px 15px !important;
    }
    .page-register__more-questions {
        font-size: 1em !important;
    }
}