:root {
    --primary-color: #E53935;
    --secondary-color: #FF5A4F;
    --text-main-color: #333333;
    --card-bg-color: #FFFFFF;
    --background-light: #F5F7FA;
    --border-color: #E0E0E0;
}

.page-register {
    font-family: Arial, sans-serif;
    color: var(--text-main-color);
    line-height: 1.6;
    background-color: var(--background-light);
}

.page-register__hero-section {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin-bottom: 40px;
}

.page-register__hero-image-wrap {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    position: relative;
}

.page-register__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-register__hero-content {
    position: relative;
    text-align: center;
    padding: 30px 20px;
    background-color: var(--background-light); /* Ensure contrast */
    border-bottom: 1px solid var(--border-color);
}

.page-register__main-title {
    font-size: 2.8em;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-register__intro-text {
    font-size: 1.1em;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-main-color);
}

.page-register__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-register__btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1em;
    transition: all 0.3s ease;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-register__btn--primary {
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: #ffffff;
    border: none;
}

.page-register__btn--primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-register__btn--secondary {
    background-color: var(--card-bg-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-register__btn--secondary:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

.page-register__section {
    padding: 40px 0;
    margin-bottom: 20px;
}

.page-register__section-title {
    font-size: 2em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 25px;
    font-weight: 700;
}

.page-register__section-description {
    font-size: 1.05em;
    text-align: center;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-main-color);
}

.page-register__article-wrap {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-register__why-join .page-register__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.page-register__info-card {
    background-color: var(--card-bg-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    color: var(--text-main-color);
}

.page-register__info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.page-register__card-title {
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-register__card-text {
    font-size: 0.95em;
    color: var(--text-main-color);
}

.page-register__guide-section {
    background-color: var(--background-light);
    padding-bottom: 60px;
}

.page-register__step-card {
    background-color: var(--card-bg-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-main-color);
}

.page-register__step-title {
    font-size: 1.6em;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.page-register__step-text {
    font-size: 1em;
    margin-bottom: 15px;
    color: var(--text-main-color);
}

.page-register__list {
    list-style-type: disc;
    margin-left: 25px;
    margin-bottom: 20px;
    color: var(--text-main-color);
}

.page-register__list li {
    margin-bottom: 8px;
}

.page-register__figure {
    margin: 20px 0;
    text-align: center;
}

.page-register__figure-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: block;
    margin: 0 auto;
}

.page-register__figcaption {
    font-size: 0.9em;
    color: #666;
    margin-top: 10px;
}

.page-register__warning-card {
    background-color: var(--primary-color);
    color: #ffffff;
    border-radius: 12px;
    padding: 30px;
    margin-top: 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.page-register__warning-title {
    font-size: 1.5em;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 700;
}

.page-register__warning-list {
    list-style-type: disc;
    margin-left: 25px;
}

.page-register__warning-list li {
    margin-bottom: 8px;
}

.page-register__faq-section {
    background-color: var(--background-light);
    padding-top: 60px;
    padding-bottom: 60px;
}

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

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

.page-register__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    list-style: none;
    -webkit-tap-highlight-color: transparent;
}

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

.page-register__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
}

.page-register__faq-item[open] .page-register__faq-toggle {
    transform: rotate(45deg);
}

.page-register__faq-answer {
    padding: 0 25px 20px;
    font-size: 0.95em;
    color: var(--text-main-color);
}

.page-register__games-showcase .page-register__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.page-register__game-card {
    background-color: var(--card-bg-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    color: var(--text-main-color);
}

.page-register__game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.page-register__game-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-register__btn--small {
    padding: 8px 15px;
    font-size: 0.9em;
    margin-top: 15px;
}

.page-register__promo-section {
    background-color: var(--primary-color);
    color: #ffffff;
    text-align: center;
    padding: 60px 0;
}

.page-register__promo-section .page-register__section-title,
.page-register__promo-section .page-register__section-description {
    color: #ffffff;
}

.page-register__promo-list {
    list-style-type: none;
    padding: 0;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-register__promo-list li {
    font-size: 1.1em;
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.page-register__promo-list li::before {
    content: '✓';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.page-register__app-download {
    text-align: center;
    padding: 60px 0;
}

.page-register__conclusion-section {
    text-align: center;
    padding: 40px 0 60px;
}

.page-register__copyright-info {
    text-align: center;
    padding: 20px;
    font-size: 0.85em;
    color: #666;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

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

@media (max-width: 1024px) {
    .page-register__main-title {
        font-size: 2.5em;
    }

    .page-register__section-title {
        font-size: 1.8em;
    }

    .page-register__hero-content {
        padding: 25px 15px;
    }

    .page-register__article-wrap {
        padding: 0 15px;
    }

    .page-register__info-card,
    .page-register__step-card,
    .page-register__game-card {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    /* 1. 顶区标题 + 双 CTA */
    .page-register__hero-section {
        margin-bottom: 30px;
    }

    .page-register__hero-content {
        padding: 10px 15px !important; /* Small top padding */
    }

    .page-register__main-title {
        font-size: 1.8em !important;
        margin-bottom: 10px !important;
    }

    .page-register__intro-text {
        font-size: 1em !important;
        margin-bottom: 20px !important;
    }

    .page-register__cta-buttons {
        flex-direction: column !important;
        gap: 10px !important;
        padding: 0 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-register__btn {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 15px !important;
    }

    /* 2. 单栏长文容器 */
    .page-register__section {
        padding: 30px 0 !important;
        margin-bottom: 15px !important;
    }

    .page-register__section-title {
        font-size: 1.5em !important;
        margin-bottom: 20px !important;
    }

    .page-register__section-description {
        font-size: 0.95em !important;
        margin-bottom: 30px !important;
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__article-wrap {
        padding: 0 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__info-card,
    .page-register__step-card,
    .page-register__game-card {
        padding: 20px !important;
        margin-bottom: 20px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-register__card-title {
        font-size: 1.2em !important;
    }

    .page-register__card-text {
        font-size: 0.9em !important;
    }

    .page-register__warning-card {
        padding: 25px !important;
        margin-top: 30px !important;
    }

    .page-register__warning-title {
        font-size: 1.3em !important;
    }

    .page-register__list,
    .page-register__warning-list,
    .page-register__promo-list {
        margin-left: 20px !important;
        font-size: 0.95em !important;
        padding: 0 10px;
    }

    /* 3. 通用图片与 figure */
    .page-register img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    .page-register__figure-img {
        border-radius: 6px !important;
    }

    .page-register__figcaption {
        font-size: 0.85em !important;
    }

    /* 4. 按钮与按钮容器 (already covered in cta-buttons) */

    /* 5. 注册教程与 FAQ 区块 */
    .page-register__step-title {
        font-size: 1.4em !important;
    }

    .page-register__step-text {
        font-size: 0.95em !important;
    }

    .page-register__faq-question {
        font-size: 1em !important;
        padding: 15px 20px !important;
    }

    .page-register__faq-answer {
        padding: 0 20px 15px !important;
        font-size: 0.9em !important;
    }

    .page-register__game-card .page-register__btn--small {
        font-size: 0.85em !important;
        padding: 10px 12px !important;
    }

    .page-register__promo-list li {
        font-size: 1em !important;
        padding-left: 20px !important;
    }

    .page-register__promo-section {
        padding: 40px 0 !important;
    }

    .page-register__app-download {
        padding: 40px 0 !important;
    }

    .page-register__conclusion-section {
        padding: 30px 0 !important;
    }

    .page-register__copyright-info {
        font-size: 0.8em !important;
        padding: 15px !important;
    }
}