:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg-custom: #11271B;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;
}

.page-index {
    font-family: Arial, sans-serif;
    color: var(--text-main); /* Body background is dark, so main text is light */
    line-height: 1.6;
}

.page-index__section-title {
    font-size: 32px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-main);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-index__section-description {
    font-size: 18px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-secondary);
}

.page-index__play-now-button,
.page-index__cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--btn-gradient);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
    white-space: nowrap;
    word-wrap: normal;
}

.page-index__play-now-button:hover,
.page-index__cta-button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-index__btn-secondary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: none;
    margin-left: 15px;
}

.page-index__btn-secondary:hover {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* 🚨 桌面端视频区域样式（必须严格遵守） */
.page-index__video-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    padding-top: 10px; /* 🚨 页头整段高度由 shared 的 body { padding-top: var(--header-offset); } 承担；此处仅用小额顶距，禁止再写 var(--header-offset) 以免双倍空白 */
    background-color: var(--card-bg-custom);
}

.page-index__video-container {
    position: relative;
    width: 100%; /* 🚨 必须包含 width: 100% for desktop flex layout */
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* 🚨 视频点击链接样式（必须严格遵守） */
.page-index__video-link {
    display: block;
    text-decoration: none;
    position: relative;
    width: 100%;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__video-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.page-index__video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 宽高比 - 🚨 PageSpeed优化：固定宽高比避免布局偏移（CLS） */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.page-index__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
    object-fit: cover;
    pointer-events: none; /* 防止视频控件阻止点击事件 */
}

/* 🚨 视频点击提示遮罩层样式（可选，增强用户体验） */
.page-index__video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.page-index__video-link:hover .page-index__video-overlay {
    opacity: 1;
}

.page-index__video-click-hint {
    color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    background: rgba(0, 123, 255, 0.8);
    border-radius: 5px;
    white-space: nowrap;
}

/* 🚨 Play Now按钮样式（必须严格遵守，位于视频下方中间位置） */
.page-index__video-cta {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
}

/* 模块 1：H1标题 + 活动推广按钮 */
.page-index__title-section {
    padding: 80px 20px;
    text-align: center;
    background-color: var(--card-bg-custom);
}

.page-index__title-container {
    max-width: 900px;
    margin: 0 auto;
}

.page-index__main-title {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-main);
    margin-bottom: 20px;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.4);
}

.page-index__title-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Core Games/Features Section */
.page-index__features-section {
    padding: 80px 20px;
    background-color: var(--deep-green);
}

.page-index__features-container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.page-index__feature-card {
    background-color: var(--card-bg-custom);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    border: 1px solid var(--border-color);
}

.page-index__feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.page-index__feature-icon {
    width: 100%;
    height: auto;
    max-width: 200px;
    margin-bottom: 20px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.page-index__feature-title {
    font-size: 22px;
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 15px;
}

.page-index__feature-text {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-index__feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    transition: color 0.3s ease;
}

.page-index__feature-link:hover {
    color: var(--secondary-color);
}

.page-index__arrow {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.page-index__feature-link:hover .page-index__arrow {
    transform: translateX(5px);
}

.page-index__cta-full-width {
    text-align: center;
    margin-top: 60px;
}

/* 模块 3：品牌介绍 */
.page-index__brand-section {
    padding: 80px 20px;
    background-color: var(--card-bg-custom);
}

.page-index__brand-container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-index__brand-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index__brand-item {
    background-color: var(--deep-green);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.page-index__brand-item-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 15px;
}

.page-index__brand-item-text {
    font-size: 16px;
    color: var(--text-secondary);
}

.page-index__brand-icon {
    width: 100%;
    height: auto;
    max-width: 150px;
    margin-bottom: 20px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.page-index__cta-center {
    text-align: center;
    margin-top: 60px;
}

/* 模块 2：FAQ常见问题区域 */
.page-index__faq-section {
    padding: 80px 20px;
    background-color: var(--deep-green);
}

.page-index__faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.page-index__faq-list {
    margin-top: 40px;
}

/* details 作为 FAQ 卡片 */
details.page-index__faq-item {
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--card-bg-custom);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

details.page-index__faq-item summary.page-index__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
}

details.page-index__faq-item summary.page-index__faq-question::-webkit-details-marker {
    display: none;
}

details.page-index__faq-item summary.page-index__faq-question:hover {
    background: var(--deep-green);
}

.page-index__faq-qtext {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: var(--text-main);
}

.page-index__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-left: 15px;
    width: 32px;
    text-align: center;
    transition: transform 0.3s ease, color 0.3s ease;
}

details.page-index__faq-item[open] .page-index__faq-toggle {
    transform: rotate(45deg);
    color: var(--gold-color);
}

details.page-index__faq-item .page-index__faq-answer {
    padding: 0 25px 25px;
    background: var(--deep-green);
    border-radius: 0 0 10px 10px;
    color: var(--text-secondary);
    font-size: 16px;
}

/* 模块 4：博客列表展示 */
.page-index__blog-section {
    padding: 80px 20px;
    background-color: var(--card-bg-custom);
}

.page-index__blog-container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.page-index__blog-item {
    background-color: var(--deep-green);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.page-index__blog-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.page-index__blog-link {
    text-decoration: none;
    display: block;
    color: inherit;
}

.page-index__blog-item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--divider-color);
}

.page-index__blog-item-content {
    padding: 20px;
}

.page-index__blog-item-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 10px;
    min-height: 60px; /* Ensure consistent height */
}

.page-index__blog-item-excerpt {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.page-index__blog-item-date {
    font-size: 14px;
    color: var(--text-secondary);
    opacity: 0.8;
    display: block;
}

.page-index__blog-view-all {
    margin-top: 50px;
}

/* 🚨 移动端响应式设计（必须严格遵守） */
@media (max-width: 768px) {
    .page-index__section-title {
        font-size: 28px;
    }

    .page-index__section-description {
        font-size: 16px;
        margin-bottom: 30px;
    }

    /* 🚨 视频区移动端顶距与桌面一致：小额即可，禁止 var(--header-offset) */
    .page-index__video-section {
        padding-top: 10px !important;
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-index__video-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0;
        padding-right: 0;
        overflow: hidden !important;
    }

    .page-index__video-link {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-index__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        border-radius: 4px;
        overflow: hidden !important;
    }

    .page-index__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        border-radius: 4px;
        object-fit: contain; /* 移动端使用contain确保视频完整显示且不超出 */
    }

    .page-index__video-cta {
        margin-top: 20px;
        padding-left: 15px;
        padding-right: 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-index__play-now-button {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding: 12px 30px !important;
        font-size: 16px !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-index__video-click-hint {
        font-size: 14px !important;
        padding: 8px 16px !important;
    }

    .page-index__title-section,
    .page-index__features-section,
    .page-index__brand-section,
    .page-index__faq-section,
    .page-index__blog-section {
        padding: 40px 15px;
    }

    .page-index__main-title {
        font-size: 30px;
    }

    .page-index__title-description {
        font-size: 16px;
    }

    .page-index__cta-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .page-index__cta-button,
    .page-index__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        padding: 12px 20px !important;
        font-size: 16px !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }

    .page-index__features-grid,
    .page-index__brand-content,
    .page-index__blog-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-index__feature-card,
    .page-index__brand-item,
    .page-index__blog-item {
        padding: 20px;
    }

    .page-index__feature-title {
        font-size: 20px;
    }

    .page-index__brand-item-title {
        font-size: 22px;
    }

    details.page-index__faq-item summary.page-index__faq-question {
        padding: 15px;
    }

    .page-index__faq-qtext {
        font-size: 16px;
    }

    .page-index__faq-toggle {
        font-size: 24px;
        width: 28px;
        margin-left: 10px;
    }

    details.page-index__faq-item .page-index__faq-answer {
        padding: 0 15px 15px;
        font-size: 15px;
    }

    .page-index__blog-item-title {
        font-size: 18px;
        min-height: auto;
    }

    .page-index__blog-item-excerpt {
        font-size: 14px;
    }

    .page-index__blog-item-image,
    .page-index__feature-icon,
    .page-index__brand-icon,
    .page-index img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        box-sizing: border-box !important;
    }

    .page-index__cta-full-width,
    .page-index__cta-center {
        padding-left: 15px;
        padding-right: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
}