/* SPA Layout - Rail Sidebar & Fixed Panels */

:root {
    --spa-rail-width: 64px;
    --spa-bg: #FAF9F6;
    /* Rice Paper White */
    --spa-sidebar-bg: #FFFFFF;
    --spa-border: #E5E7EB;
    /* Soft Gray */
    --spa-primary: #2563EB;
    /* Ceramic Blue */
    --spa-hover: #F3F4F6;
    --spa-text-main: #2B2B2B;
    /* Ink Black */
    --spa-text-sub: #666666;
    /* Stone Gray */
    --spa-font-serif: "Noto Serif SC", "Source Han Serif", serif;
    --spa-font-sans: "Inter", system-ui, -apple-system, "PingFang SC", sans-serif;
    --spa-shadow-modal: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --spa-shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

/* Adjust Chat Container */
.chat-container {
    margin-left: var(--spa-rail-width);
    width: calc(100% - var(--spa-rail-width));
}

/* Rail Sidebar (Fixed Left) */
.spa-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--spa-rail-width);
    background: var(--spa-sidebar-bg);
    border-right: 1px solid var(--spa-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 0;
    z-index: 2000;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.02);
}

.spa-sidebar-top,
.spa-sidebar-mid,
.spa-sidebar-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
}

.spa-sidebar-mid {
    margin-top: auto;
    margin-bottom: auto;
}

.spa-sidebar-bottom {
    margin-top: auto;
    padding-bottom: 20px;
}

/* Logo */
.spa-logo img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.spa-logo:hover img {
    transform: scale(1.1);
}

/* Nav Buttons */
.spa-nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 20px;
    background: transparent;
    border: none;
    color: var(--spa-text-sub);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spa-nav-btn:hover {
    background: var(--spa-hover);
    color: var(--spa-primary);
    transform: translateY(-1px);
}

.spa-nav-btn.active {
    background: #EFF6FF;
    color: var(--spa-primary);
}

.spa-nav-btn i {
    font-size: 20px;
}

.spa-btn-new-chat {
    background: #EFF6FF;
    color: var(--spa-primary);
    margin-bottom: 8px;
    box-shadow: 0 2px 5px rgba(37, 99, 235, 0.1);
}

.spa-btn-new-chat:hover {
    background: var(--spa-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Avatar Button */
.spa-avatar-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    padding: 0;
    background: transparent;
    border: 2px solid transparent;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.2s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.spa-avatar-btn:hover,
.spa-avatar-btn.active {
    border-color: var(--spa-primary);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.spa-avatar-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Tooltips */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: rgba(43, 43, 43, 0.9);
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
    z-index: 3000;
    margin-left: 8px;
    font-family: var(--spa-font-sans);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    font-weight: 500;
}

[data-tooltip]:hover:after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* Floating Panels Container */
.floating-panels-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 2010;
}

/* Backdrop */
.spa-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(43, 43, 43, 0.2);
    /* Softened backdrop */
    backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: auto;
    display: none;
}

.floating-panels-container:has(.spa-panel.active) .spa-backdrop {
    display: block;
    opacity: 1;
}

/* Panels (Centered Modal) */
.spa-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.96);
    background: #FAF9F6;
    /* Keep panels white for layout contrast */
    border-radius: 12px;
    box-shadow: var(--spa-shadow-modal);
    display: none;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.spa-panel.active {
    display: flex !important;
    flex-direction: column !important;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* Panel Specific Sizes */
#convertRecordPanel {
    width: 800px;
    height: 600px;
    max-width: 90vw;
    max-height: 90vh;
}

#downloadPanel {
    width: 560px;
    height: auto;
    max-width: 90vw;
    max-height: 90vh;
}

#profilePanel {
    width: 900px;
    height: 70vh;
    max-width: 90vw;
}

#editQuestionPanel {
    width: 600px;
    min-height: 320px;
    max-width: 90vw;
    max-height: 80vh;
    z-index: 999999 !important;
}

/* Panel Header */
.panel-header {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    border-bottom: 1px solid var(--spa-border);
    flex-shrink: 0;
    background: #FAF9F6;
}

.panel-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--spa-text-main);
    font-family: var(--spa-font-serif);
    letter-spacing: 0.02em;
}

.panel-close-btn {
    background: transparent;
    border: none;
    color: #9CA3AF;
    cursor: pointer;
    font-size: 18px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
    z-index: 10;
    line-height: 1;
    padding: 0;
}

.panel-close-btn .layui-icon {
    display: block;
    width: 1em;
    height: 1em;
    line-height: 1;
}

.panel-close-btn:hover {
    background: #F3F4F6;
    color: #4B5563;
}

/* Panel Content */
.panel-content {
    flex: 1 1 0;
    /* Force basis 0 to ensure scrolling */
    min-height: 0;
    overflow-y: auto;
    padding: 0 24px;
    /* Use Rice Paper bg for content area if desired, or white */
    background: #FAF9F6;
    -webkit-overflow-scrolling: touch;
    /* Smooth scroll on iOS */
}

/* Download Grid */
.download-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px;
}

.download-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border: 1px solid var(--spa-border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--spa-text-main);
    background: #FFFFFF;
    box-shadow: var(--spa-shadow-card);
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.download-item:hover {
    border-color: var(--spa-primary);
    background: #EFF6FF;
    /* Subtle Blue Tint */
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.download-icon {
    font-size: 32px;
    color: var(--spa-primary);
}

.download-item .font-bold {
    font-family: var(--spa-font-sans);
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--spa-text-main);
}

.download-item .text-xs {
    font-family: var(--spa-font-sans);
    color: var(--spa-text-sub);
}

/* Profile Layout */
.profile-layout {
    display: flex;
    height: 100%;
}

.profile-sidebar {
    width: 220px;
    background: #FAF9F6;
    /* Slightly different from white */
    border-right: 1px solid var(--spa-border);
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.profile-menu-item {
    padding: 12px 16px;
    font-size: 14px;
    color: var(--spa-text-sub);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s;
    border-radius: 8px;
    font-family: var(--spa-font-sans);
    font-weight: 500;
}

.profile-menu-item:hover {
    background: #F3F4F6;
    color: var(--spa-text-main);
}

.profile-menu-item.active {
    background: rgba(37, 99, 235, 0.08);
    color: var(--spa-primary);
    font-weight: 600;
}

/* Replaces styling with left border to pill style */

.profile-content-area {
    flex: 1;
    overflow-y: auto;
    padding: 0 32px 32px;
    /* 移除顶部内边距，以便粘性标题贴合真实顶部边缘 */
    background: #FAF9F6;
}

.profile-tab-content {
    display: none;
    height: 100%;
    padding-top: 32px;
    /* 将顶部间距移动至内容区域 */
}

.profile-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Placeholder */
.loading-placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9CA3AF;
    font-size: 14px;
    gap: 8px;
}

/* Ensure Font Availability */
@font-face {
    font-family: 'Noto Serif SC';
    src: url('https://file.aitextconv.com/common/NotoSerifSC-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Noto Serif SC';
    src: url('https://file.aitextconv.com/common/NotoSerifSC-Regular.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* Override existing sidebar styles if needed */
.chat-sidebar {
    z-index: 100;
}

/* Premium Data Table Styles */
.spa-data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
    width: 100%;
}

.spa-data-table th {
    text-align: center;
    padding: 16px 20px;
    color: var(--spa-text-sub);
    font-weight: 600;
    font-family: var(--spa-font-sans);
    font-size: 13px;
    border-bottom: 1px solid var(--spa-border);
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--spa-bg);
}

.spa-data-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--spa-border);
    color: var(--spa-text-main);
    vertical-align: middle;
    transition: background-color 0.2s;
}

.spa-data-table tr:last-child td {
    border-bottom: none;
}

.spa-data-table tr:hover td {
    background-color: #F9FAFB;
}

.spa-data-table .text-muted {
    color: var(--spa-text-sub);
}

.spa-data-table .font-bold {
    font-weight: 600;
}

/* Badge Styles */
.status-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    /* Prevent wrap */
}

.status-badge.success {
    background: #DCFCE7;
    color: #166534;
}

.layui-badge.radius {
    border-radius: 4px;
}

/* Helper Classes */
.text-ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.download-link {
    color: var(--spa-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: color 0.2s;
}

.download-link:hover {
    color: #1d4ed8;
}

.download-link i {
    margin-right: 4px;
}

/* ========== Download Panel New Styles ========== */

/* 下载弹窗内容区 */
.download-panel-content {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 64px);
}

/* 下载区块 */
.download-section {
    background: #FFFFFF;
    border: 1px solid var(--spa-border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.download-section-featured {
    border-color: var(--spa-primary);
    border-width: 2px;
    background: linear-gradient(to bottom, #EFF6FF 0%, #FFFFFF 100%);
}

.download-section-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.download-section-icon {
    width: 48px;
    height: 48px;
    background: var(--spa-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.download-section-icon i {
    font-size: 24px;
    color: #FFFFFF;
}

.download-section-info {
    flex: 1;
}

.download-section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--spa-text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.download-badge-recommend {
    background: var(--spa-primary);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 4px;
}

.download-section-desc {
    font-size: 14px;
    color: var(--spa-text-sub);
}

/* 浏览器按钮组 */
.browser-buttons {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
}

.browser-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: #FAF9F6;
    border: 1px solid #E5E7EB;
    border-radius: 10px;
    text-decoration: none;
    color: #2B2B2B;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.browser-btn:hover {
    border-color: #2563EB;
    background: #EFF6FF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.browser-btn img {
    width: 32px;
    height: 32px;
}

.browser-btn span {
    font-size: 13px;
    font-weight: 500;
}

/* 二维码网格 */
.download-qrcode-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.download-qrcode-card {
    background: #FFFFFF;
    border: 1px solid var(--spa-border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.download-qrcode-card:hover {
    border-color: var(--spa-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.download-qrcode-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--spa-text-main);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.download-qrcode-title i {
    font-size: 20px;
    color: var(--spa-primary);
}

.download-qrcode-wrapper {
    background: #FFFFFF;
    border-radius: 8px;
    padding: 8px;
    display: inline-block;
    margin-bottom: 12px;
}

.download-qrcode-img {
    width: 140px;
    height: 140px;
    display: block;
}

.download-qrcode-tip {
    font-size: 13px;
    color: var(--spa-text-sub);
}

/* 浏览器详情区域 */
.browser-detail {
    padding: 0;
}

.browser-detail-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #FAF9F6;
    border: 1px solid #E5E7EB;
    color: #2B2B2B;
    font-size: 13px;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    transition: all 0.2s ease;
}

.browser-detail-back:hover {
    background: #EFF6FF;
    border-color: #2563EB;
    color: #2563EB;
}

.browser-detail-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding: 16px;
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    border-radius: 12px;
    color: white;
}

.browser-detail-header img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: white;
    padding: 4px;
}

.browser-detail-title-wrap {
    flex: 1;
}

.browser-detail-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.browser-detail-version {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    opacity: 0.9;
}

.version-date {
    opacity: 0.8;
}

.browser-detail-features {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.browser-detail-features .feature-tag {
    background: #FAF9F6;
    border: 1px solid #E5E7EB;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    color: #666666;
}

.browser-detail-video {
    margin-bottom: 16px;
}

.browser-detail-video .video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    border-radius: 8px;
    overflow: hidden;
    background-color: #000;
}

.browser-detail-video video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.browser-detail-download {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.browser-detail-download .download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    color: white;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3), 0 2px 4px -1px rgba(37, 99, 235, 0.2);
}

.browser-detail-download .download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3), 0 4px 6px -2px rgba(37, 99, 235, 0.2);
}

.browser-detail-download .download-btn.secondary {
    background: #FFFFFF;
    color: #2563EB;
    border: 1px solid #BFDBFE;
    box-shadow: none;
}

.browser-detail-download .download-btn.secondary:hover {
    background: #EFF6FF;
    box-shadow: none;
}

.browser-detail-steps {
    background: #FAF9F6;
    border: 1px solid #E5E7EB;
    border-radius: 10px;
    padding: 16px;
}

.detail-step {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.detail-step:last-child {
    margin-bottom: 0;
}

.step-num {
    width: 24px;
    height: 24px;
    background: #2563EB;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.step-text {
    font-size: 13px;
    color: #666666;
    line-height: 1.5;
    padding-top: 2px;
}

.step-text a {
    color: #2563EB;
    text-decoration: none;
}

.step-text a:hover {
    text-decoration: underline;
}

/* 响应式 - 移动端 */
@media (max-width: 600px) {
    #downloadPanel {
        width: 95vw;
    }

    .download-panel-content {
        padding: 16px;
    }

    .browser-buttons {
        flex-direction: column;
    }

    .download-qrcode-grid {
        grid-template-columns: 1fr;
    }

    .download-qrcode-img {
        width: 160px;
        height: 160px;
    }
}

/* Sidebar QR Code Popup */
.spa-qr-trigger {
    position: relative;
}

.spa-qr-popup {
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: #FFFFFF;
    padding: 12px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--spa-border);
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 3000;
    margin-left: 12px;
    width: 240px;
    text-align: center;
    visibility: hidden;
}

/* Arrow */
.spa-qr-popup::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -6px;
    transform: translateY(-50%);
    border-width: 6px 6px 6px 0;
    border-style: solid;
    border-color: transparent #FFFFFF transparent transparent;
    filter: drop-shadow(-2px 0 2px rgba(0, 0, 0, 0.05));
}

.spa-qr-trigger:hover .spa-qr-popup {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
    pointer-events: auto;
    visibility: visible;
}

/* Hide tooltip when hovering QR code to prevent overlap/clutter */
.spa-qr-trigger:hover::after {
    opacity: 0;
}

.spa-qr-popup img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
    margin-bottom: 8px;
}

.spa-qr-tip {
    font-size: 12px;
    color: var(--spa-text-sub);
    font-weight: 500;
}

/* 双二维码样式 */
.spa-qr-double {
    width: 340px;
    display: flex;
    justify-content: space-between;
    gap: 24px;
}

.spa-qr-double .spa-qr-item {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.spa-qr-double .spa-qr-item img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    margin-bottom: 6px;
}

.spa-qr-double .spa-qr-tip {
    font-size: 11px;
    line-height: 1.4;
}

/* SPA Buttons */
.spa-btn {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
    transition: all 0.2s ease;
    font-family: var(--spa-font-sans);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.spa-btn-secondary {
    background: #FFFFFF;
    color: #4B5563;
    border-color: #E5E7EB;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.spa-btn-secondary:hover {
    background: #F9FAFB;
    border-color: #D1D5DB;
    color: #374151;
}

.spa-btn-primary {
    background: linear-gradient(135deg, #2563EB, #1D4ED8);
    color: #FFFFFF;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3), 0 2px 4px -1px rgba(37, 99, 235, 0.1);
}

.spa-btn-primary:hover {
    background: linear-gradient(135deg, #1D4ED8, #1E40AF);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4);
    color: #FFFFFF;
}