:root {
    --color-primary: #11A84E; /* 主色调 */
    --color-secondary: #22C768; /* 辅助色 */
    --color-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* 按钮 */
    --color-card-bg: #11271B; /* Card BG */
    --color-background: #08160F; /* 背景 */
    --color-text-main: #F2FFF6; /* Text Main */
    --color-text-secondary: #A7D9B8; /* Text Secondary */
    --color-border: #2E7A4E; /* 边框 */
    --color-glow: #57E38D; /* Glow */
    --color-gold: #F2C14E; /* Gold */
    --color-divider: #1E3A2A; /* Divider */
    --color-deep-green: #0A4B2C; /* Deep Green */
}

.page-register {
    background-color: var(--color-background); /* #08160F */
    color: var(--color-text-main); /* #F2FFF6 */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.page-register__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    text-align: center;
    overflow: hidden; /* Ensure content doesn't overflow */
}

.page-register__hero-image-wrapper {
    width: 100%;
    max-width: 1200px; /* Max width for the image */
    margin-bottom: 30px; /* Space between image and text */
    box-sizing: border-box;
}

.page-register__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    object-fit: cover;
}

.page-register__hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.page-register__hero-content h1 {
    color: var(--color-gold); /* Gold for H1 */
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
    font-size: clamp(2em, 5vw, 3.5em); /* Example using clamp */
}

.page-register__hero-content p {
    color: var(--color-text-secondary); /* Secondary text color */
    font-size: 1.1em;
    margin-bottom: 30px;
}

.page-register__cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: var(--color-button-gradient);
    color: #ffffff; /* White text on green button */
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-register__cta-button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* General Section Styling */
.page-register__section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 40px 20px;
    background-color: var(--color-card-bg); /* Dark background for sections */
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
}

.page-register__section-title {
    color: var(--color-gold); /* Gold for H2 */
    font-size: 2.2em;
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
}

.page-register__section h3 {
    color: var(--color-text-main); /* Main text color for H3 */
    font-size: 1.6em;
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-register__section p {
    color: var(--color-text-secondary); /* Secondary text color for paragraphs */
    margin-bottom: 15px;
}

.page-register__benefits-list {
    list-style: none;
    padding-left: 0;
    margin-top: 20px;
}

.page-register__benefits-list li {
    color: var(--color-text-secondary);
    margin-bottom: 10px;
    position: relative;
    padding-left: 30px;
    font-size: 1.05em;
}

.page-register__benefits-list li::before {
    content: '✅'; /* Checkmark icon */
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 1.2em;
    line-height: 1;
}

/* Registration Steps Section */
.page-register__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-register__step-card {
    background-color: var(--color-deep-green); /* Slightly different dark green for steps */
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.page-register__step-card h3 {
    color: var(--color-gold);
    margin-top: 0;
    margin-bottom: 15px;
}

.page-register__step-card p {
    color: var(--color-text-secondary);
    font-size: 0.95em;
}

.page-register__steps-image-wrapper {
    margin-top: 30px;
    text-align: center;
}

.page-register__steps-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    object-fit: cover;
}

/* Promotions Section */
.page-register__promotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-register__promo-card {
    background-color: var(--color-deep-green);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-register__promo-card h3 {
    color: var(--color-gold);
    margin-top: 0;
    margin-bottom: 15px;
}

.page-register__promo-card p {
    color: var(--color-text-secondary);
    font-size: 0.95em;
    margin-bottom: 20px;
}

.page-register__promo-image-wrapper {
    margin-top: 30px;
    text-align: center;
}

.page-register__promo-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    object-fit: cover;
}

.page-register__promo-button {
    display: inline-block;
    padding: 10px 20px;
    background: var(--color-primary); /* Use primary color for secondary buttons */
    color: #ffffff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    font-size: 0.95em;
    transition: background-color 0.3s ease;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-register__promo-button:hover {
    background-color: var(--color-secondary);
}


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

.page-register__faq-item {
    background-color: var(--color-deep-green);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-register__faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1.1em;
    color: var(--color-text-main);
    list-style: none; /* Hide default marker */
}

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

.page-register__faq-question {
    flex-grow: 1;
    color: var(--color-text-main);
}

.page-register__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    color: var(--color-primary);
    margin-left: 15px;
}

.page-register__faq-answer {
    padding: 0 25px 20px;
    color: var(--color-text-secondary);
    font-size: 1em;
}

/* Final CTA Section */
.page-register__cta-final-section {
    text-align: center;
    padding: 50px 20px;
    background-color: var(--color-deep-green);
    border-radius: 10px;
    margin: 40px auto;
    max-width: 1000px;
    border: 1px solid var(--color-border);
}

.page-register__cta-final-section h2 {
    color: var(--color-gold);
    font-size: 2.5em;
    margin-bottom: 25px;
}

.page-register__cta-final-section p {
    color: var(--color-text-secondary);
    font-size: 1.2em;
    margin-bottom: 40px;
}

/* Image styling for content area, min size check */
.page-register img:not(.page-register__hero-image) {
    min-width: 200px;
    min-height: 200px;
}

/* Ensure images do not have filters */
.page-register img {
    filter: none;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-register__hero-content h1 {
        font-size: clamp(1.8em, 4.5vw, 3em);
    }
    .page-register__section-title {
        font-size: 1.8em;
    }
    .page-register__section h3 {
        font-size: 1.4em;
    }
    .page-register__cta-final-section h2 {
        font-size: 2.2em;
    }
}

@media (max-width: 768px) {
    /* General mobile padding */
    .page-register__hero-section,
    .page-register__section,
    .page-register__cta-final-section {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__hero-section {
        padding-top: 10px !important; /* body handles --header-offset */
        padding-bottom: 40px !important;
    }

    .page-register__hero-content h1 {
        font-size: clamp(1.5em, 8vw, 2.5em);
    }

    .page-register__hero-content p {
        font-size: 1em;
    }

    .page-register__cta-button {
        padding: 12px 25px;
        font-size: 1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-register__section-title {
        font-size: 1.6em;
    }
    .page-register__section h3 {
        font-size: 1.2em;
    }

    .page-register__steps-grid,
    .page-register__promotions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Images responsiveness */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        min-width: 200px !important; /* Ensure min size on mobile too */
        min-height: 200px !important;
    }

    /* FAQ item padding */
    .page-register__faq-item summary {
        padding: 15px 20px;
        font-size: 1em;
    }
    .page-register__faq-answer {
        padding: 0 20px 15px;
    }

    .page-register__cta-final-section h2 {
        font-size: 2em;
    }
    .page-register__cta-final-section p {
        font-size: 1em;
    }

    /* Ensure all containers are responsive */
    .page-register__hero-image-wrapper,
    .page-register__steps-image-wrapper,
    .page-register__security-image-wrapper,
    .page-register__promo-image-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-register__promo-button {
        padding-left: 15px;
        padding-right: 15px;
    }
}