:root {
    --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
    --card-bg: #D32F2F;
    --background: #B71C1C;
    --text-main: #FFF5E1;
    --border: #F2B544;
    --glow: #FFCC66;
    --gold: #F4D34D;
    --deep-red: #7A0E0E;
}

/* General page styles */
.page-register {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main); /* Default text color, ensuring contrast on various backgrounds */
    background-color: var(--background); /* Use custom background variable */
}

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

.page-register__section-title {
    font-size: 2.5em;
    font-weight: bold;
    text-align: center;
    margin-bottom: 40px;
    color: var(--gold); /* Gold title on dark/red background */
    line-height: 1.2;
}

.page-register__hero-section {
    position: relative;
    overflow: hidden;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    padding-bottom: 0;
    background-color: var(--deep-red); /* Fallback background if image fails */
}

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

.page-register__hero-content {
    text-align: center;
    padding: 40px 20px 80px; /* More bottom padding to separate from next section */
    color: var(--text-main); /* White text on deep red background */
    background-color: var(--deep-red); /* Deep red background for content block */
}

.page-register__hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* H1 font size with clamp */
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gold); /* Gold color for H1 */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-register__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-main);
}

/* Buttons */
.page-register__btn-primary,
.page-register__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%; /* Ensure button responsiveness */
}

.page-register__btn-primary {
    background: var(--button-gradient); /* Custom button gradient */
    color: #333333; /* Dark text on gold button for contrast */
    border: none;
    box-shadow: 0 4px 15px rgba(244, 211, 77, 0.4);
}

.page-register__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244, 211, 77, 0.6);
}

.page-register__btn-secondary {
    background-color: var(--deep-red); /* Deep Red background */
    color: var(--gold); /* Gold text */
    border: 2px solid var(--gold); /* Gold border */
    margin-left: 20px;
}

.page-register__btn-secondary:hover {
    background-color: var(--gold);
    color: var(--deep-red);
    transform: translateY(-2px);
}

/* Sections with dark background */
.page-register__dark-section {
    background-color: var(--deep-red); /* Custom background color */
    color: var(--text-main); /* White text on dark background */
    padding: 60px 0;
}

.page-register__dark-section .page-register__section-title {
    color: var(--gold); /* Gold title on dark background */
}

/* Benefits Section */
.page-register__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-register__benefit-item {
    background-color: var(--card-bg); /* Custom card background */
    color: var(--text-main); /* White text on card background */
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border); /* Custom border color */
}

.page-register__benefit-icon {
    width: 100%; /* Ensure images are responsive */
    height: auto;
    max-width: 300px; /* Example max-width for benefit icons */
    margin-bottom: 20px;
    border-radius: 8px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

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

.page-register__benefit-text {
    font-size: 1em;
    color: var(--text-main);
}

/* Guide Section */
.page-register__guide-section {
    padding: 60px 0;
    background-color: var(--background); /* Custom background color */
    color: var(--text-main);
}

.page-register__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.page-register__guide-step-item {
    background-color: var(--card-bg); /* Custom card background */
    color: var(--text-main);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
}

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

.page-register__step-description {
    font-size: 1em;
    margin-bottom: 20px;
    color: var(--text-main);
}

.page-register__step-button {
    margin-top: 10px;
    display: block; /* Make button full width in step item */
    text-align: center;
}

.page-register__guide-image {
    width: 100%;
    height: auto;
    display: block;
    margin: 40px auto 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Payment Section */
.page-register__payment-description {
    text-align: center;
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-main);
}

.page-register__payment-image {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.page-register__faq-section {
    padding: 60px 0;
    background-color: var(--background); /* Custom background color */
    color: var(--text-main);
}

.page-register__faq-list {
    max-width: 900px;
    margin: 40px auto 0;
}

.page-register__faq-item {
    background-color: var(--card-bg); /* Custom card background */
    color: var(--text-main);
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    overflow: hidden; /* For JS animation fallback */
}

.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    background-color: var(--card-bg); /* Ensure background for contrast */
    color: var(--gold); /* Gold text for questions */
    list-style: none; /* Hide default marker for details/summary */
}

/* Hide default marker for details/summary */
.page-register__faq-item summary::-webkit-details-marker,
.page-register__faq-item summary::marker {
  display: none;
  content: "";
}

.page-register__faq-qtext {
    flex-grow: 1;
}

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

.page-register__faq-item[open] .page-register__faq-toggle {
    transform: rotate(45deg); /* Rotate for 'x' effect */
}

.page-register__faq-answer {
    padding: 0 20px 20px;
    font-size: 1em;
    color: var(--text-main);
    max-height: 0; /* For JS animation fallback */
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.page-register__faq-item[open] .page-register__faq-answer {
    max-height: 2000px; /* Arbitrarily large for expansion */
}

/* Contact Section */
.page-register__contact-description {
    text-align: center;
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-main);
}

.page-register__contact-section .page-register__btn-secondary {
    display: block;
    margin: 0 auto;
    max-width: 300px;
    text-align: center;
}

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

.page-register__cta-description {
    font-size: 1.2em;
    max-width: 900px;
    margin: 0 auto 40px;
    color: var(--text-main);
}

.page-register__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    width: 100%; /* Ensure container responsiveness */
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

/* Default colors for elements not explicitly styled, ensuring contrast */
.page-register h1, .page-register h2, .page-register h3, .page-register h4, .page-register h5, .page-register h6 {
    color: var(--gold); /* Titles are gold by default */
}

.page-register p, .page-register li {
    color: var(--text-main); /* Paragraphs and lists are main text color */
}

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

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

    .page-register__container {
        padding: 0 15px !important; /* Adjust container padding for mobile */
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__section-title {
        font-size: 2em;
        margin-bottom: 30px;
    }

    /* HERO 主图区域 */
    .page-register__hero-section {
        padding-top: 10px !important; /* Ensure small top padding */
        padding-bottom: 0 !important;
    }

    .page-register__hero-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-register__hero-content {
        padding: 30px 15px 60px !important;
    }

    .page-register__hero-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    /* 通用图片与容器 */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    .page-register__benefits-grid,
    .page-register__guide-steps {
        grid-template-columns: 1fr !important; /* Stack items vertically */
        gap: 20px !important;
    }

    .page-register__benefit-item,
    .page-register__guide-step-item {
        padding: 20px !important;
    }

    .page-register__benefit-icon {
        max-width: 100% !important;
    }

    .page-register__guide-image,
    .page-register__payment-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !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;
    }

    .page-register__btn-secondary {
        margin-left: 0 !important;
        margin-top: 15px !important;
    }

    .page-register__cta-buttons {
        flex-direction: column !important; /* Stack CTA buttons vertically */
        gap: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        overflow: hidden !important;
    }

    .page-register__contact-section .page-register__btn-secondary {
        max-width: 100% !important;
    }

    /* Other content modules */
    .page-register__faq-list {
        padding: 0 15px !important;
    }

    .page-register__faq-item {
        margin-bottom: 10px !important;
    }

    .page-register__faq-question {
        font-size: 1.1em !important;
        padding: 15px !important;
    }

    .page-register__faq-answer {
        padding: 0 15px 15px !important;
    }

    .page-register__dark-section,
    .page-register__guide-section,
    .page-register__faq-section,
    .page-register__cta-section {
        padding: 40px 0 !important;
    }
}