/* =========================================================
       样式隔离部分（限定在 .containernas 内部，避免污染头尾）
       ========================================================= */
    .containernas * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    .containernas {
        max-width: 1000px;
        /* 修复导航遮挡：PC端顶部留出 130px 空间 */
        margin: 130px auto 50px auto; 
        background-color: white;
        padding: 30px;
        border-radius: 12px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        color: #333;
        line-height: 1.6;
        font-size: 14px;
    }

    /* 强制居中修复 */
    .containernas h1 {
        display: block !important; 
        width: 100% !important; 
        float: none !important;
        text-align: center !important; 
        margin: 0 auto 18px auto !important;
        color: #2c3e50; 
        font-weight: 600; 
        font-size: 30px; 
        line-height: 1.35;
    }

    .containernas .nas-intro {
        text-align: center;
        color: #6c757d;
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: 40px;
    }

    .containernas h2 {
        text-align: center !important;
        margin: 40px 0 22px;
        color: #2c3e50;
        font-size: 24px;
        font-weight: 600;
        float: none !important;
    }

    .containernas .option-group { margin-bottom: 40px; }
    
    .containernas .option-group h3 {
        text-align: center;
        margin-bottom: 25px;
        font-size: 20px;
        color: #495057;
        font-weight: 500;
        float: none !important;
    }

    /* 选项卡片 */
    .containernas .option-tabs { display: flex; gap: 12px; flex-wrap: wrap; }
    
    .containernas .option-tab {
        flex: 1;
        min-width: 200px;
        cursor: pointer;
        background-color: #fff;
        border-radius: 10px;
        padding: 20px;
        transition: all 0.3s ease;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        border: 1px solid #dee2e6;
        position: relative;
        overflow: hidden;
    }
    
    .containernas .option-tab input[type="radio"] { display: none; }
    .containernas .option-content { text-align: center; }
    .containernas .option-content h4 { color: #2c3e50; font-weight: 500; font-size: 16px; }
    .containernas .option-content p { color: #6c757d; font-size: 14px; line-height: 1.5; margin-top: 4px; }

    /* 选中状态 */
    .containernas .option-tab.active {
        border: 1px solid #0067e6;
        box-shadow: 0 4px 12px rgba(0, 103, 230, 0.2);
        background-color: #f0f7ff;
        transform: translateY(-2px);
    }
    .containernas .option-tab.active .option-content h4 { color: #0067e6; font-weight: 600; }
    .containernas .option-tab.active .option-content p { color: #495057; }
    .containernas .option-tab.active::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 0 30px 30px 0;
        border-color: transparent #0067e6 transparent transparent;
    }
    .containernas .option-tab.active::before {
        content: '✓';
        position: absolute;
        top: 2px;
        right: 2px;
        color: white;
        font-size: 12px;
        z-index: 1;
    }

    /* 悬停 */
    .containernas .option-tab:hover {
        transform: translateY(-3px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        border-color: #adb5bd;
    }

    /* 提交按钮 */
    .containernas .submit-btn {
        display: block;
        width: 100%;
        max-width: 300px;
        margin: 0 auto 50px;
        padding: 14px;
        background-color: #0067e6;
        color: white;
        border: none;
        border-radius: 8px;
        font-size: 16px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.3s;
        box-shadow: 0 2px 8px rgba(0, 103, 230, 0.3);
    }
    .containernas .submit-btn:hover {
        background-color: #0052b8;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 103, 230, 0.4);
    }

    /* 错误提示 */
    .containernas .error-message { color: #fa5252; font-size: 14px; margin-top: 5px; display: none; }
    .containernas .option-group.unselected { animation: pulse 1.5s infinite; }
    .containernas .option-group.unselected h3 { color: #fa5252; }
    @keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.8; } 100% { opacity: 1; } }

    /* 参考表格 */
    .containernas .nas-recommend, .containernas .nas-faq { margin-top: 50px; padding-top: 10px; border-top: 1px solid #e9ecef; }
    .containernas .nas-note { color: #6c757d; font-size: 14px; line-height: 1.8; margin-bottom: 20px; text-align: center; }
    .containernas .nas-table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 30px; }
    
    .containernas .nas-rec-table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.7; min-width: 640px; }
    .containernas .nas-rec-table th, .containernas .nas-rec-table td { border: 1px solid #e9ecef; padding: 12px 14px; text-align: left; vertical-align: middle; }
    .containernas .nas-rec-table th { background: #f8f9fa; color: #2c3e50; font-weight: 600; white-space: nowrap; }
    .containernas .nas-rec-table td { color: #495057; }
    .containernas .nas-rec-table td:first-child { color: #2c3e50; font-weight: 500; }
    .containernas .nas-rec-table a { color: #0067e6; text-decoration: none; white-space: nowrap; }
    .containernas .nas-rec-table a:hover { text-decoration: underline; }

    /* CTA */
    .containernas .nas-cta { margin-top: 30px; padding: 40px 20px; background-color: #f7f9fc; border-radius: 8px; text-align: center; }
    .containernas .nas-cta-title { margin: 0 0 12px 0; color: #1a1a1a; font-size: 24px; font-weight: 700; }
    .containernas .nas-cta p { color: #666; font-size: 15px; margin-bottom: 24px; }
    .containernas .nas-cta-btns { display: flex; justify-content: center; gap: 16px; }
    
    .containernas .nas-btn { display: inline-block; padding: 12px 36px; border-radius: 4px; font-size: 16px; font-weight: 500; text-decoration: none; transition: all 0.2s ease; }
    .containernas .nas-btn-primary { background-color: #0067e6; color: #fff; border: 1px solid #0067e6; }
    .containernas .nas-btn-primary:hover { background-color: #0052b8; border-color: #0052b8; }
    .containernas .nas-btn-ghost { background-color: #fff; color: #0067e6; border: 1px solid #0067e6; }
    .containernas .nas-btn-ghost:hover { background-color: #f0f7ff; }

    /* FAQ */
    .containernas .nas-faq-item { position: relative; margin-bottom: 24px; }
    .containernas .nas-faq-item h3 { position: relative; text-align: left; font-size: 17px; color: #1a1a1a; margin: 0 0 8px 0; padding-left: 36px; line-height: 1.4; font-weight: 500; float: none !important; }
    .containernas .nas-faq-item h3::before { content: '?'; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; background-color: #e6f2ff; color: #0067e6; border-radius: 50%; text-align: center; line-height: 22px; font-size: 14px; font-weight: 700; }
    .containernas .nas-faq-item p { color: #6c757d; font-size: 14px; line-height: 1.8; margin: 0; padding-left: 36px; }
    .containernas .nas-faq-item p strong { color: #0067e6; font-weight: 700; }

    /* ================= 强制同步断点 ================= */
    @media screen and (max-width: 991px) {
        .containernas {
            /* 修复移动端导航遮挡 */
            margin: 30px auto 30px auto !important; 
            padding: 20px !important;
            width: 95% !important;
            box-sizing: border-box !important;
        }
        .containernas h1 { 
            font-size: 24px !important; 
            line-height: 1.4 !important;
        }
        .containernas h2 { 
            font-size: 20px !important; 
        }
        
        /* 选项卡片在移动端/平板端强制纵向排列 */
        .containernas .option-tabs {
            flex-direction: column !important;
            gap: 10px !important;
        }
        .containernas .option-tab {
            width: 100% !important;
            min-width: 100% !important;
            padding: 15px !important;
        }
        
        /* 表格容器限制最大宽度，防止撑破屏幕 */
        .containernas .nas-table-wrap {
            width: 100% !important;
            max-width: 100% !important;
            overflow-x: auto !important;
            -webkit-overflow-scrolling: touch !important;
        }
        
        /* CTA 按钮在移动端全宽 */
        .containernas .nas-cta { 
            padding: 30px 15px !important; 
        }
        .containernas .nas-cta-title { 
            font-size: 20px !important; 
        }
        .containernas .nas-cta-btns { 
            flex-direction: column !important; 
            gap: 12px !important; 
        }
        .containernas .nas-btn { 
            width: 100% !important; 
            box-sizing: border-box !important;
        }
    }

/* ================= 落地页专属营销承接模块 ================= */

/* 顶部承接横幅：与原站列表同宽，强制居中 */
.rec-top-banner {
    max-width: 1640px !important; 
    margin: 0px auto 20px !important;
    padding: 0 20px !important;
    box-sizing: border-box !important;
}
.rec-top-inner {
    text-align: center !important;
}
.rec-top-inner h1 {
    font-size: 32px !important; 
    font-weight: 600 !important; 
    color: #333333 !important; 
    margin: 0 0 15px 0 !important; 
    padding: 0 !important;
    line-height: 1.4 !important;
    float: none !important;
}
.rec-top-desc {
    font-size: 16px !important; 
    color: #666666 !important; 
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.6 !important;
	margin-top: 8px !important;
	margin-bottom: 30px !important;

}
.rec-text-link {
    color: #0067e6 !important;
    text-decoration: none !important;
    margin-left: 8px !important;
    transition: opacity 0.2s !important;
}
.rec-text-link:hover {
    text-decoration: underline !important;
    opacity: 0.8 !important;
}

/* 底部转化卡片：取消 1200px 限制，与上方产品列表同宽 (1640px) */
.rec-bottom-cta {
    max-width: 1640px !important; 
    margin: 50px auto !important;
    padding: 0 0px !important;
    box-sizing: border-box !important;
}
.rec-bottom-inner {
    background-color: #f7f9fc !important; 
    border-radius: 8px !important; 
    padding: 50px 20px !important; 
    text-align: center !important;
}
.rec-bottom-inner h3 {
    margin: 0 0 12px 0 !important; 
    color: #333333 !important; 
    font-size: 24px !important; 
    font-weight: 600 !important;
    padding: 0 !important;
    line-height: 1.4 !important;
    float: none !important;
}
.rec-bottom-inner p {
    color: #666666 !important; 
    font-size: 15px !important; 
    margin: 0 0 30px 0 !important;
    padding: 0 !important;
}

.rec-bottom-btns {
    display: flex !important;
    justify-content: center !important;
    gap: 20px !important;
}
.rec-btn {
    display: inline-block !important;
    padding: 12px 40px !important;
    font-size: 16px !important;
    border-radius: 4px !important;
    text-decoration: none !important;
    transition: all 0.2s !important;
    box-sizing: border-box !important;
}
.rec-btn-primary {
    background: #0067e6 !important;
    color: white !important;
    border: 1px solid #0067e6 !important;
}
.rec-btn-primary:hover {
    background: #0052b8 !important;
    border-color: #0052b8 !important;
}
.rec-btn-ghost {
    background: white !important;
    color: #0067e6 !important;
    border: 1px solid #0067e6 !important;
}
.rec-btn-ghost:hover {
    background: #f0f7ff !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .rec-top-inner h1 {
        font-size: 22px !important;
    }
    .rec-top-desc {
        font-size: 14px !important;
    }
    .rec-text-link {
        display: block !important;
        margin-left: 0 !important;
        margin-top: 8px !important;
    }
    .rec-bottom-inner {
        padding: 30px 15px !important;
    }
    .rec-bottom-inner h3 {
        font-size: 20px !important;
    }
    .rec-bottom-btns {
        flex-direction: column !important;
        gap: 12px !important;
    }
    .rec-btn {
        width: 100% !important;
    }
}
/* ===== 选型摘要卡片 ===== */
.containernas .nas-summary {
    display: none;
    margin: 0 0 24px;
    padding: 20px 24px;
    background: #f5f9ff;
    border: 1px solid #d6e6ff;
    border-radius: 12px;
    animation: nasSummaryIn 0.32s ease both;
}
@keyframes nasSummaryIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.containernas .nas-summary-desc {
    margin: 0 0 16px;
    font-size: 15px;
    line-height: 1.8;
    color: #495057;
}

/* 仅选项数值高亮（群晖蓝加粗） */
.containernas .nas-summary-desc span {
    color: #0067e6;
    font-weight: bold;
}

/* 调整选型需求链接 */
.containernas .nas-summary-edit {
    color: #0067e6;
    font-size: 14px;
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
    margin-left: 4px;
}
.containernas .nas-summary-edit:hover {
    text-decoration: underline;
}

/* ===== 选填电话 ===== */
.containernas .nas-lead-row {
    padding-top: 16px;
    border-top: 1px dashed #dbe4f0;
}
.containernas .nas-lead-row input[type="tel"] {
    width: 100%;
    max-width: 380px;
    padding: 12px 14px;
    background: #fff;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 15px;
    color: #333;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    box-sizing: border-box;
}
.containernas .nas-lead-row input[type="tel"]::placeholder { color: #adb5bd; }
.containernas .nas-lead-row input[type="tel"]:focus {
    border-color: #0067e6;
    box-shadow: 0 0 0 3px rgba(0, 103, 230, .12);
}
.containernas .nas-lead-row input[type="tel"].has-error {
    border-color: #fa5252;
    box-shadow: 0 0 0 3px rgba(250, 82, 82, .12);
}
.containernas .nas-lead-status {
    display: none;
    margin: 8px 0 0;
    font-size: 13px;
    line-height: 1.5;
}
.containernas .nas-lead-status.error { display: block; color: #fa5252; }

@media (max-width: 768px) {
    .containernas .nas-summary { padding: 16px; }
    .containernas .nas-summary-desc { font-size: 14px; line-height: 1.7; }
    .containernas .nas-lead-row input[type="tel"] { max-width: 100%; }
}