/* style/index.css */

:root {
    --primary-color: #113B7A;
    --secondary-color: #1D5FD1;
    --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --card-bg-color-custom: #10233F;
    --text-main-color: #F3F8FF;
    --text-secondary-color: #AFC4E8;
    --border-color: #244D84;
    --glow-color: #4FA8FF;
    --gold-color: #F2C14E;
    --divider-color: #1B3357;
    --deep-navy-color: #08162B;
    --promo-red: #d62828;
    --info-card-bg: #f9f9f9;
    --info-card-border: #ddd;
    --warning-card-bg: #fff4f4;
    --warning-card-border-left: #ff4141;
    --promo-box-bg: #fffbe6;
    --promo-box-border: #111;
    --content-bg-white: #ffffff;
    --content-text-dark: #333333;
}

.page-index {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--content-text-dark); /* Default text color for content areas */
    background-color: var(--content-bg-white); /* Default background for content areas */
}

.page-index__article-wrap {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 20px;
    background-color: var(--content-bg-white);
    box-sizing: border-box;
}

/* Module 0: Top H1 + Dual CTA */
.page-index__top-section {
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    padding-bottom: 30px;
    background-color: var(--content-bg-white);
    text-align: center;
}

.page-index__page-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
    padding: 0 10px;
}

.page-index__top-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.page-index__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    min-height: 44px; /* Minimum touch target height */
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-index__btn--primary {
    background: var(--button-gradient);
    color: var(--text-main-color);
    border: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-index__btn--primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    transition: all 0.2s ease-in-out;
}

/* Module 1: Announcement / Main Promo */
.page-index__announcement-section {
    padding: 40px 0;
    background-color: var(--content-bg-white);
    text-align: center;
}

.page-index__section-title {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: bold;
}

.page-index__section-title--notification {
    color: var(--promo-red);
}

.page-index__announcement-section p {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--content-text-dark);
}

.page-index__feature-list {
    list-style: decimal;
    text-align: left;
    max-width: 800px;
    margin: 25px auto;
    padding-left: 40px;
    font-size: 1.05rem;
    color: var(--content-text-dark);
}

.page-index__feature-list li {
    margin-bottom: 10px;
}

.page-index__emphasis-text {
    font-style: italic;
    color: var(--promo-red);
    font-size: 1.1rem;
    margin-top: 20px;
}

.page-index__emphasis-text a {
    color: var(--promo-red);
    text-decoration: underline;
}

/* Module 2: Brand Overview + Info/Warning Cards */
.page-index__brand-overview-section {
    padding: 40px 0;
    background-color: var(--content-bg-white);
    text-align: center;
}

.page-index__brand-overview-section p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--content-text-dark);
}

.page-index__fact-list {
    list-style: none;
    text-align: left;
    max-width: 600px;
    margin: 25px auto;
    padding: 0;
    font-size: 1.05rem;
    color: var(--content-text-dark);
}

.page-index__fact-list li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.page-index__fact-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.page-index__info-card {
    background-color: var(--info-card-bg);
    border: 1px solid var(--info-card-border);
    border-radius: 8px;
    padding: 25px;
    margin: 30px auto;
    max-width: 800px;
    text-align: left;
    color: var(--content-text-dark);
}

.page-index__info-card p {
    margin-bottom: 15px;
    font-size: 1rem;
}

.page-index__info-list {
    list-style: disc;
    margin-left: 20px;
    font-size: 0.95rem;
    color: var(--content-text-dark);
}

.page-index__warning-card {
    background-color: var(--warning-card-bg);
    border-left: 5px solid var(--warning-card-border-left);
    border-radius: 0 8px 8px 0;
    padding: 20px;
    margin: 30px auto;
    max-width: 800px;
    text-align: left;
    color: var(--content-text-dark);
    font-size: 1rem;
}

/* Module 3: Long SEO Text */
.page-index__seo-content-section {
    padding: 40px 0;
    background-color: var(--content-bg-white);
}

.page-index__seo-content-section h2,
.page-index__seo-content-section h3 {
    color: var(--primary-color);
    margin-top: 35px;
    margin-bottom: 20px;
    font-weight: bold;
    text-align: left;
}

.page-index__seo-content-section h2 {
    font-size: 2rem;
}

.page-index__seo-content-section h3 {
    font-size: 1.6rem;
}

.page-index__seo-content-section p {
    margin-bottom: 15px;
    text-align: justify;
    font-size: 1.05rem;
    color: var(--content-text-dark);
}

.page-index__recognition-list,
.page-index__why-choose-list,
.page-index__product-highlight-list,
.page-index__offer-list {
    list-style: none;
    text-align: left;
    margin: 20px 0;
    padding-left: 0;
    color: var(--content-text-dark);
}

.page-index__recognition-list li,
.page-index__why-choose-list li,
.page-index__product-highlight-list li,
.page-index__offer-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
    font-size: 1.05rem;
}

.page-index__recognition-list li::before {
    content: counter(item) '. ';
    counter-increment: item;
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.page-index__why-choose-list li::before,
.page-index__product-highlight-list li::before,
.page-index__offer-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2em;
    top: -2px;
}

.page-index__wp-caption {
    margin: 30px auto;
    text-align: center;
    max-width: 680px;
}

.page-index__wp-caption img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-index__wp-caption figcaption {
    font-style: italic;
    font-size: 0.95rem;
    color: #666;
    margin-top: 10px;
}

.page-index__aligncenter {
    display: block;
}

.page-index__seo-content-section blockquote {
    border-left: 4px solid var(--primary-color);
    margin: 40px 0;
    padding: 15px 25px;
    font-style: italic;
    background-color: #f8f8f8;
    color: #555;
    font-size: 1.1rem;
}

.page-index__blockquote-text {
    margin-bottom: 10px !important;
    text-align: left !important;
}

.page-index__blockquote-cite {
    display: block;
    text-align: right;
    font-style: normal;
    font-weight: bold;
    color: var(--primary-color);
    margin-top: 10px;
}

.page-index__product-highlight-list a,
.page-index__offer-list a {
    color: var(--secondary-color);
    text-decoration: underline;
}

.page-index__special-offer-title {
    color: var(--promo-red);
}

/* Module 4: World Cup / Big Event Promo Box */
.page-index__promo-box-section {
    padding: 40px 0;
    background-color: var(--content-bg-white);
    text-align: center;
}

.page-index__promo-box {
    background-color: var(--promo-box-bg);
    border: 2px dashed var(--promo-box-border);
    border-radius: 10px;
    padding: 30px;
    margin: 30px auto;
    max-width: 900px;
    color: var(--content-text-dark);
    box-sizing: border-box;
}

.page-index__promo-box-title {
    font-size: 2rem;
    color: var(--promo-red);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-index__promo-feature-list {
    list-style: none;
    margin: 20px 0;
    padding: 0;
    font-size: 1.1rem;
    color: var(--content-text-dark);
}

.page-index__promo-feature-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.page-index__promo-feature-list li::before {
    content: '⭐';
    position: absolute;
    left: 0;
    top: 0;
}

.page-index__btn--promo {
    background-color: var(--promo-red);
    color: var(--text-main-color);
    border: none;
    margin-top: 25px;
    font-size: 1.2rem;
    padding: 15px 40px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-index__btn--promo:hover {
    background-color: #ff4141;
    transform: translateY(-2px);
    transition: all 0.2s ease-in-out;
}

/* Module 5: 4-Step Registration Tutorial */
.page-index__registration-tutorial-section {
    padding: 40px 0;
    background-color: var(--content-bg-white);
}

.page-index__tutorial-step {
    margin-bottom: 40px;
    text-align: left;
}

.page-index__tutorial-step h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-index__tutorial-step p {
    margin-bottom: 15px;
    font-size: 1.05rem;
    color: var(--content-text-dark);
}

.page-index__form-fields {
    list-style: disc;
    margin-left: 25px;
    font-size: 1rem;
    color: var(--content-text-dark);
}

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

.page-index__tutorial-conclusion {
    text-align: center;
    font-size: 1.1rem;
    margin-top: 30px;
    color: var(--content-text-dark);
}

.page-index__tutorial-conclusion a {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Module 6: FAQ + Footer Contact Info */
.page-index__faq-section {
    padding: 40px 0;
    background-color: var(--content-bg-white);
}

.page-index__faq-item {
    margin-bottom: 30px;
    text-align: left;
}

.page-index__faq-item h3 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-index__faq-item p {
    font-size: 1.05rem;
    color: var(--content-text-dark);
}

.page-index__conclusion-text {
    text-align: center;
    font-size: 1.1rem;
    margin-top: 30px;
    color: var(--content-text-dark);
}

.page-index__contact-info {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
    text-align: left;
}

.page-index__contact-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-index__contact-list {
    list-style: none;
    padding: 0;
    font-size: 1.05rem;
    color: var(--content-text-dark);
}

.page-index__contact-list li {
    margin-bottom: 10px;
}

.page-index__contact-list a {
    color: var(--secondary-color);
    text-decoration: none;
}

.page-index__contact-list a:hover {
    text-decoration: underline;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-index__article-wrap {
        padding: 0 15px;
    }
    .page-index__page-title {
        font-size: clamp(2rem, 3.5vw, 3rem);
    }
    .page-index__section-title {
        font-size: 2rem;
    }
    .page-index__promo-box-title {
        font-size: 1.8rem;
    }
    .page-index__seo-content-section h2 {
        font-size: 1.8rem;
    }
    .page-index__seo-content-section h3 {
        font-size: 1.5rem;
    }
    .page-index__tutorial-step h3 {
        font-size: 1.6rem;
    }
    .page-index__faq-item h3 {
        font-size: 1.5rem;
    }
    .page-index__btn {
        padding: 10px 25px;
        font-size: 1rem;
    }
    .page-index__btn--promo {
        padding: 12px 30px;
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    /* 1. 顶区标题 + 双 CTA */
    .page-index__top-section {
        padding-top: 10px !important; /* Small top padding, body handles --header-offset */
        padding-bottom: 20px;
    }
    .page-index__page-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: 15px;
        padding: 0 5px;
    }
    .page-index__top-cta {
        flex-direction: column;
        gap: 10px;
        padding: 0 15px;
    }
    .page-index__btn {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        font-size: 1rem !important;
    }

    /* 2. 单栏长文容器 */
    .page-index__article-wrap,
    .page-index__section {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-index__section-title {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }
    .page-index__info-card,
    .page-index__warning-card,
    .page-index__promo-box {
        margin: 20px auto;
        padding: 20px;
        max-width: 100%;
        box-sizing: border-box;
    }
    .page-index__feature-list,
    .page-index__fact-list,
    .page-index__info-list,
    .page-index__recognition-list,
    .page-index__why-choose-list,
    .page-index__product-highlight-list,
    .page-index__offer-list,
    .page-index__promo-feature-list,
    .page-index__form-fields,
    .page-index__contact-list {
        padding-left: 20px;
        font-size: 1rem;
    }
    .page-index p,
    .page-index li {
        font-size: 1rem;
        text-align: left; /* Mobile text can be left-aligned for readability */
    }
    .page-index__seo-content-section h2,
    .page-index__seo-content-section h3,
    .page-index__tutorial-step h3,
    .page-index__faq-item h3,
    .page-index__contact-title {
        text-align: left;
    }

    /* 3. 通用图片与 figure */
    .page-index img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-index__wp-caption {
        margin: 20px auto;
        max-width: 100%;
        box-sizing: border-box;
    }
    .page-index__wp-caption figcaption {
        font-size: 0.9rem;
    }

    /* 4. 按钮与按钮容器 */
    .page-index__btn,
    .page-index__btn--primary,
    .page-index__btn--promo,
    .page-index a[class*="button"],
    .page-index 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-index__top-cta,
    .page-index__button-group,
    .page-index__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-direction: column !important; /* Ensures vertical stacking for multiple buttons */
        gap: 10px;
    }

    /* 5. 注册教程与 FAQ 区块 */
    .page-index__registration-tutorial-section h2,
    .page-index__faq-section h2 {
        font-size: 1.8rem;
    }
    .page-index__tutorial-step h3 {
        font-size: 1.5rem;
    }
    .page-index__faq-item h3 {
        font-size: 1.4rem;
    }
    .page-index__contact-info {
        padding-top: 20px;
        margin-top: 30px;
    }
    .page-index__contact-title {
        font-size: 1.6rem;
    }
}