/* ===================================================================== */
/* === product-layout.css - 产品详情页通用布局样式 (最终修改) === */
/* ===================================================================== */

/* 通用重置和辅助类 */
.text-center {
    text-align: center;
}

.section-padding {
    padding: 80px 0;
}

.bg-secondary {
    background-color: #f8f9fa;
}

/* 假设您的辅助背景色 */
.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1a202c;
}

/* 定义颜色变量 (已更新为您的蓝绿主题) */
:root {
    /* --- 您的新品牌颜色定义 --- */
    --brand-gradient: linear-gradient(90deg, #00BFFF 0%, #00FF87 100%);
    /* 蓝绿渐变 */
    --color-primary: #00BFFF;
    /* 明确定义主品牌色 (与渐变开始颜色一致) */

    /* --- 基础色 (保持不变或通用定义) --- */
    --color-secondary: #007bff;
    /* 次要色 */
    --color-text-dark: #212529;
    /* 主文本颜色：深黑 (沿用您的 index.css 定义) */
    --color-text-subtle: #6c757d;
    /* 次要文本颜色：中灰 (沿用您的 index.css 定义) */
    --color-bg-light: #FFFFFF;
    /* 浅背景 */
    --color-bg-secondary: #F8F9FA;
    /* 辅助背景 */
    --color-border-light: #E9ECEF;
    /* 边框色 */
    --header-height: 50px;
    /* 假设您的导航栏高度 */

    /* 价格表使用的颜色 */
    --color-hot-red: #ff416c;
    --color-blue: #007bff;
    --color-yellow: #ffc107;
    --color-green: #28a745;
    --color-purple: #6f42c1;
}

/* --- 0. Hero 区域 (左文右图) --- */
.product-hero-section {
    /* 【修复 Header 距离】：调整顶部填充，使其更紧凑 */
    padding-top: 60px; 
    padding-bottom: 80px;
    background-color: var(--color-bg-light);
    
    /* 【优化高度】：设置最小高度并垂直居中，保持视觉一致性 */
    min-height: 400px;
    display: flex;
    align-items: center; 
}

.hero-inner-grid {
    display: flex;
    align-items: center;
    gap: 60px;
    /* 确保 Hero 内容在 flex 容器内居中 */
    width: 100%; 
}

.hero-text {
    flex: 1.2;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--color-text-dark);
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--color-text-subtle);
    margin-bottom: 40px;
}

.hero-image {
    flex: 1;
    text-align: right;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
}

/* **新增样式：hero区特点列表样式** */
.hero-features-list {
    display: flex;
    /* 让子元素在空间允许的情况下分散对齐 */
    justify-content: space-between;
    gap: 20px;
    margin: 25px 0 20px 0;
    padding: 15px 0;
    /* 增加一个边线来分隔主要特点和次要描述 */
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.0rem;
    color: var(--color-text-dark);
    /* 允许在小屏幕上自动换行 */
    flex-wrap: wrap;
}

.feature-item strong {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.feature-item span {
    color: var(--color-text-subtle);
    /* 【修复换行】：移除 white-space: nowrap; 允许文字换行 */
    /* white-space: nowrap; */ 
    /* 确保文字不被截断 */
}

.feature-icon {
    font-size: 1.2rem;
    color: var(--color-primary);
}


/* --- 1. 页面内二级导航栏 (已修改 - 强调色变动) --- */
.section-nav-bar {
    /* 【修复 Sticky】：启用固定定位，固定在 Header (80px) 的下方 */
    position: relative;
    top: 0; 
    z-index: 500;
    background-color: var(--color-bg-light);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    overflow-x: auto;
    max-width: 1200px;
    /* 配合您的 .container 宽度 */
    margin: 0 auto;
}

.section-nav-bar .nav-item {
    text-decoration: none;
    color: var(--color-text-subtle);
    font-weight: 600;
    padding: 10px 15px;
    position: relative;
    white-space: nowrap;
    transition: color 0.3s;
}

.section-nav-bar .nav-item:hover,
.section-nav-bar .nav-item.active {
    /* 悬停和选中文字颜色使用主色 */
    color: var(--color-primary);
}

.section-nav-bar .nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 15px;
    right: 15px;
    height: 3px;
    /* 激活下划线使用渐变 */
    background: var(--brand-gradient);
    border-radius: 2px;
}

/* --- 2. 核心优势 (六卡片 + 左右图文) --- */
.advantage-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
    margin-bottom: 80px;
}

.advantage-card-item {
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    transition: all 0.3s;
}

.advantage-card-item .card-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 15px;
}

.advantage-card-item h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
}

/* 左右图文交替块 */
.feature-detail-block {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 80px 0;
    border-top: 1px solid var(--color-border-light);
}

.feature-detail-block:last-child {
    border-bottom: 1px solid var(--color-border-light);
}

.detail-media {
    flex: 1;
}

.detail-content {
    flex: 1.5;
}

.detail-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.detail-content p {
    font-size: 1.1rem;
    color: var(--color-text-subtle);
    margin-bottom: 20px;
}

/* --- 3. 热门国家地区 (八卡片) --- */
.region-card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 50px;
}

.region-card-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 25px;
    border-radius: 10px;
    background-color: var(--color-bg-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    text-decoration: none;
    color: var(--color-text-dark);
    transition: all 0.3s ease;
    /* 确保鼠标悬浮时指针变为手型 */
    cursor: pointer;
}

.region-card-item:hover {
    /* 稍微放大卡片，提供交互反馈 */
    transform: translateY(-3px) scale(1.02);
    /* 增强阴影，使其看起来像“浮”起来了 */
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.region-flag {
    width: 50px;
    height: auto;
    border-radius: 3px;
}

.region-info strong {
    font-weight: 600;
}

.region-info span {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-subtle);
}

/* --- 4. 应用场景 (Tab 菜单 + 内容) (已修改 - 强调色变动) --- */
.cases-tabs-menu {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.cases-tabs-menu .tab-button {
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 10px 0;
    border: none;
    background: none;
    color: var(--color-text-subtle);
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.cases-tabs-menu .tab-button.active {
    /* 激活文字颜色使用主色 */
    color: var(--color-primary);
    /* 激活下划线使用渐变 */
    border-bottom: 3px solid transparent;
    border-image: var(--brand-gradient);
    border-image-slice: 1;
}

.cases-tabs-content .tab-pane {
    display: none;
}

.cases-tabs-content .tab-pane.active {
    display: block;
}

.tab-content-block {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 40px 0;
}

.tab-content-block h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 15px;
}

/* **新增：** 列表图标颜色使用主色 */
.tab-content-block ul li i {
    color: var(--color-primary);
    margin-right: 5px;
}

/* --- 5. 套餐购买 (价格表) --- */

/* 删除了旧的 .pricing-table-wrapper, .pricing-table-grid, .pricing-details-table 等结构 */

.pricing-section {
    padding-bottom: 80px;
}

.pricing-layout-grid {
    display: grid;
    /* 关键：定义 6 列，实现标题和表格对齐 */
    grid-template-columns: 2fr repeat(5, 1fr);
    gap: 20px;
    max-width: 1400px;
    margin: 40px auto;
    background-color: var(--color-bg-light);
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    padding: 20px;
}

/* 顶部标题行样式 (随用随付, 初级, etc.) */
.grid-header-cell {
    padding: 15px 10px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.grid-header-cell.plan-title {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50px;
}

/* --- 6. 常见问题 (手风琴) (已修改 - 强调色变动 & 移除焦点框) --- */
.faq-accordion-container {
    max-width: 900px;
    margin: 50px auto 0 auto;
}

.faq-item {
    border-top: 1px solid var(--color-border-light);
}

.faq-item:last-child {
    border-bottom: 1px solid var(--color-border-light);
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 20px 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text-dark);
    cursor: pointer;
    transition: color 0.3s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question i {
    transition: transform 0.3s;
}

.faq-question:hover {
    /* 悬停颜色使用主色 */
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 0 0 0;
    color: var(--color-text-subtle);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out, padding 0.4s;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    /* 提高高度确保所有内容都能展开 */
    padding-bottom: 20px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* ---------------------------------------------------- */
/* **重点修改:** 移除所有点击元素的焦点轮廓 (Focus Outline) */
/* ---------------------------------------------------- */

.section-nav-bar .nav-item:focus,
/* 二级菜单链接 */
.cases-tabs-menu .tab-button:focus,
/* **新增：** 应用场景标签按钮 */
.faq-accordion-container .faq-question:focus,
/* 常见问题按钮 */
.pricing-card .btn-buy:focus,
/* 购买按钮 */
/* 如果还有其他按钮或链接需要移除，也在这里添加 */
button:focus,
a:focus {
    /* 统一移除所有目标元素的默认轮廓 */
    outline: none !important;
    box-shadow: none !important;
}

/* ===================================================================== */
/* === 新增模块样式：定制报价 CTA & 支付方式 === */
/* ===================================================================== */

/* 辅助类：用于调整模块间距，比标准 section-padding 小 */
.section-padding-half {
    padding: 40px 0;
}

/* --- 2.1. 定制报价 CTA 模块样式 --- */
.quote-cta-block {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 40px;
    background-color: var(--color-text-dark); /* 深色背景，与图中一致 */
    border-radius: 12px;
    color: var(--color-bg-light); /* 浅色文字 */
}

.quote-cta-block .cta-text-content {
    flex-grow: 1;
    margin-right: 30px;
}

.quote-cta-block h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--color-bg-light);
}

.quote-cta-block p {
    font-size: 1rem;
    color: #adb5bd; /* 稍浅的灰色，与图中一致 */
    margin: 0;
    line-height: 1.4;
}

/* CTA 按钮样式 (假设 .btn-primary 已经被定义为您的橙色按钮) */
.quote-cta-block .btn-primary {
    /* 假设您的 .btn-primary 是橙色按钮样式 */
    display: inline-block;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    background-color: #ffc107; /* 匹配图中的橙色 */
    color: var(--color-text-dark); /* 深色文字 */
    border-radius: 8px;
    white-space: nowrap;
    transition: background-color 0.3s;
}

.quote-cta-block .btn-primary:hover {
    background-color: #e0a800;
}

/* --- 2.2. 支付方式模块样式 --- */
.payment-methods-section {
    padding: 20px 0 60px 0; /* 调整底部间距 */
    text-align: center;
}

.payment-text {
    font-size: 1rem;
    color: var(--color-text-subtle);
    margin-bottom: 15px;
}

.payment-icons-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.payment-icon {
    height: 25px; /* 调整图标大小 */
    width: auto;
    max-width: 100%;
    /* 增加一个透明度/灰度效果来匹配图中柔和的视觉效果 */
    opacity: 0.8;
}

/* 移动端响应式调整 */
@media (max-width: 768px) {
    .quote-cta-block {
        flex-direction: column;
        align-items: flex-start;
        padding: 30px 20px;
    }

    .quote-cta-block .cta-text-content {
        margin-right: 0;
        margin-bottom: 20px;
    }

    .quote-cta-block h3 {
        font-size: 1.3rem;
    }

    .quote-cta-block .btn-primary {
        width: 100%; /* 按钮在移动端占据全宽 */
        text-align: center;
    }
}

@media (max-width: 480px) {
    .payment-icons-list {
        flex-wrap: wrap; /* 支付图标在小屏幕上允许换行 */
        gap: 10px;
    }
}

/* --- 响应式调整 (保持不变，但包含了您之前提供的响应式代码) --- */

@media (max-width: 1200px) {
    /* ... 保持您的 1200px 媒体查询不变 ... */

    .pricing-layout-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
    .pricing-layout-grid>div:nth-child(5),
    .pricing-layout-grid>div:nth-child(6) {
        display: none;
    }
    .pricing-layout-grid>.pricing-card:nth-child(10),
    .pricing-layout-grid>.pricing-card:nth-child(11) {
        display: none;
    }
    .pricing-layout-grid>div.grid-data-cell:nth-child(6n+5),
    .pricing-layout-grid>div.grid-data-cell:nth-child(6n+6) {
        display: none;
    }
    .pricing-layout-grid>div.grid-data-cell:nth-child(6n+4):not(.grid-feature-name) {
        border-bottom: none;
    }
    .region-card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}


@media (max-width: 992px) {
    /* ... 保持您的 992px 媒体查询不变 ... */

    .hero-inner-grid,
    .feature-detail-block,
    .tab-content-block {
        flex-direction: column;
    }
    .advantage-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .region-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .detail-left-image .detail-media {
        order: -1;
    }
    .pricing-layout-grid {
        grid-template-columns: 2fr repeat(2, 1fr);
    }
    .pricing-layout-grid>div:nth-child(4) {
        display: none;
    }
    .pricing-layout-grid>.pricing-card:nth-child(9) {
        display: none;
    }
    .pricing-layout-grid>div.grid-data-cell:nth-child(6n+4) {
        display: none;
    }
    .pricing-layout-grid>div.grid-data-cell:nth-child(6n+3):not(.grid-feature-name) {
        border-bottom: none;
    }
}

@media (max-width: 600px) {
    /* ... 保持您的 600px 媒体查询不变 ... */

    .hero-features-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    .feature-item {
        width: 100%;
        font-size: 1.1rem;
        justify-content: center;
    }
    .feature-item strong {
        font-size: 1.6rem;
    }
    .advantage-card-grid {
        grid-template-columns: 1fr;
    }
    .region-card-grid {
        grid-template-columns: 1fr;
    }
    .pricing-layout-grid {
        grid-template-columns: 1.5fr 1fr;
    }
    .pricing-layout-grid>div:nth-child(3) {
        display: none;
    }
    .pricing-layout-grid>.pricing-card:nth-child(8) {
        display: none;
    }
    .pricing-layout-grid>div.grid-data-cell:nth-child(6n+3) {
        display: none;
    }
    .pricing-layout-grid>div.grid-data-cell:nth-child(6n+2):not(.grid-feature-name) {
        border-bottom: none;
    }
}