/* =============================================================================
   FX Master — 金色商务主题
   配色：白色背景 + 金色/红色点缀
   ============================================================================= */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    --bg-card: #ffffff;
    --accent-gold: #d4a017;
    --accent-gold-light: #f0d78c;
    --accent-red: #c41e3a;
    --accent-red-light: #e85d75;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border-color: #e0e0e0;
    --border-gold: rgba(212, 160, 23, 0.3);
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --radius: 8px;
    --radius-sm: 4px;
    --header-height: 64px;
    --footer-height: 48px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-red);
}

.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ---------------------------------------------------------------------------
   按钮
--------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-red));
    color: #fff;
    border: none;
    box-shadow: 0 2px 8px rgba(212, 160, 23, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-red-light));
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(212, 160, 23, 0.4);
}

.btn-outline {
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* ---------------------------------------------------------------------------
   头部导航
--------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.site-header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.brand-logo {
    height: 42px;
    width: auto;
    vertical-align: middle;
    margin-right: 10px;
    display: inline-block;
}

/* 主导航 */
.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.main-nav .nav-dropdown {
    position: relative;
    padding-bottom: 8px;
    margin-bottom: -8px;
}

.nav-menu {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    display: block;
}

.main-nav .nav-dropdown:hover .nav-menu {
    color: var(--accent-gold);
    background: rgba(212, 160, 23, 0.08);
}

.main-nav .nav-dropdown-menu {
    display: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 100%;
    min-width: 140px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 1000;
    overflow: hidden;
}

.main-nav .nav-dropdown:hover .nav-dropdown-menu {
    display: block;
}

.main-nav .nav-dropdown-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.main-nav .nav-dropdown-menu a:last-child {
    border-bottom: none;
}

.main-nav .nav-dropdown-menu a:hover {
    background: rgba(212, 160, 23, 0.05);
    color: var(--accent-gold);
}

/* 用户导航 */
.user-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-nav .nav-dropdown {
    position: relative;
    padding-bottom: 8px;
    margin-bottom: -8px;
}

.nav-user {
    color: var(--accent-gold);
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    transition: background 0.2s;
    cursor: pointer;
}

.user-nav .nav-dropdown:hover .nav-user {
    background: rgba(212, 160, 23, 0.08);
}

.user-nav .nav-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    min-width: 160px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 1000;
    overflow: hidden;
}

.user-nav .nav-dropdown:hover .nav-dropdown-menu {
    display: block;
}

.user-nav .nav-dropdown-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
    border-bottom: 1px solid var(--border-color);
}

.user-nav .nav-dropdown-menu a:last-child {
    border-bottom: none;
}

.user-nav .nav-dropdown-menu a:hover {
    background: rgba(212, 160, 23, 0.05);
    color: var(--accent-gold);
}

/* ---------------------------------------------------------------------------
   主体内容
--------------------------------------------------------------------------- */
.site-main {
    padding-top: var(--header-height);
    min-height: calc(100vh - var(--footer-height));
}

/* ---------------------------------------------------------------------------
   登录页面
--------------------------------------------------------------------------- */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
    padding: 40px 24px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow);
}

.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.login-brand .brand-icon {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-red));
    border-radius: 16px;
    color: #fff;
    font-size: 28px;
    margin-bottom: 16px;
}

.login-brand h1 {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text-primary);
}

.login-brand p {
    color: var(--text-muted);
    margin: 0;
}

/* ---------------------------------------------------------------------------
   表单
--------------------------------------------------------------------------- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

/* ---------------------------------------------------------------------------
   页脚
--------------------------------------------------------------------------- */
.site-footer {
    height: var(--footer-height);
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.site-footer p {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0;
}

/* ---------------------------------------------------------------------------
   响应式
--------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .main-nav {
        gap: 16px;
    }
    
    .nav-menu {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .login-card {
        padding: 32px 24px;
    }
}


/* ---------------------------------------------------------------------------
   Utility
--------------------------------------------------------------------------- */
.hidden { display: none !important; }
/* ---------------------------------------------------------------------------
   研究报告页面 - 左右分栏布局
--------------------------------------------------------------------------- */
.reports-page {
    display: flex;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}
.reports-sidebar {
    width: 320px;
    min-width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.sidebar-header {
    padding: 20px 16px 12px;
    border-bottom: 1px solid var(--border-color);
}
.sidebar-header h2 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}
.report-list {
    list-style: none;
    margin: 0;
    padding: 8px;
    overflow-y: auto;
    flex: 1;
}
.report-item {
    padding: 12px 14px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 4px;
    border: 1px solid transparent;
}
.report-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}
.report-item.active {
    background: rgba(212, 160, 23, 0.08);
    border-color: var(--accent-gold);
}
.report-item .report-title {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.report-item .report-date {
    font-size: 12px;
    color: var(--text-muted);
}
.report-empty {
    padding: 40px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}
.reports-viewer {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-tertiary);
}
.pdf-toolbar {
    height: 48px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 8px;
    font-size: 13px;
}
.pdf-toolbar .btn-icon {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.pdf-toolbar .btn-icon:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-gold);
}
.toolbar-spacer {
    flex: 1;
}
#zoom-level {
    font-size: 13px;
    color: var(--text-muted);
    min-width: 40px;
    text-align: center;
}
.pdf-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.pdf-page-wrapper {
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    background: white;
}
.pdf-canvas {
    display: block;
}
.pdf-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 12px;
}

/* ---------------------------------------------------------------------------
   交易分析页面样式
--------------------------------------------------------------------------- */
.ledger-page {
    padding: 24px 0;
}
.ledger-page .page-header {
    margin-bottom: 24px;
}
.ledger-page .page-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}
/* 统计面板 */
.stats-panel {
    margin-bottom: 24px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stats-sheet {
    display: contents;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
}
.stat-card h4 {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.stat-card .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}
.stat-card .value.positive {
    color: #e74c3c;
}
.stat-card .value.negative {
    color: #27ae60;
}
/* 分类统计表格 */
.stats-charts {
    margin-top: 16px;
}
.stat-block {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}
.stat-block h4 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 16px;
    color: var(--text-primary);
}
.stat-tables {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.stat-table-wrap h5 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 10px;
}
.stat-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.stat-table th, .stat-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.stat-table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
}
.stat-table td.number {
    text-align: right;
    font-family: 'Inter', monospace;
    font-weight: 500;
}
/* Tab 切换 */
.ledger-tabs {
    margin-top: 24px;
}
.tab-bar {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}
.tab-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    margin-bottom: -1px;
}
.tab-btn:hover {
    color: var(--text-primary);
}
.tab-btn.active {
    color: var(--accent-gold);
    border-bottom-color: var(--accent-gold);
}
.tab-pane {
    display: none;
}
.tab-pane.active {
    display: block;
}
/* 数据表格 */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.data-table th {
    background: var(--bg-tertiary);
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}
.data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}
.data-table tbody tr:hover {
    background: var(--bg-tertiary);
}
.data-table td.number {
    text-align: right;
    font-family: 'Inter', monospace;
    font-weight: 500;
}
.data-table td.positive {
    color: #e74c3c;
}
.data-table td.negative {
    color: #27ae60;
}
/* 空状态 */
.ledger-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}
.ledger-empty .brand-icon.large {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}
/* 图表区域 */
.chart-container {
    height: 300px;
    margin: 16px 0;
}

/* ---------------------------------------------------------------------------
   研究报告页面 - 左右分栏布局
--------------------------------------------------------------------------- */
.reports-page {
    display: flex;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

.reports-sidebar {
    width: 320px;
    min-width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px 16px 12px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.report-list {
    list-style: none;
    margin: 0;
    padding: 8px;
    overflow-y: auto;
    flex: 1;
}

.report-item {
    padding: 12px 14px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 4px;
    border: 1px solid transparent;
}

.report-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.report-item.active {
    background: rgba(212, 160, 23, 0.08);
    border-color: var(--accent-gold);
}

.report-item .report-title {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.report-item .report-date {
    font-size: 12px;
    color: var(--text-muted);
}

.report-empty {
    padding: 40px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

.reports-viewer {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.pdf-toolbar {
    height: 48px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 8px;
    font-size: 13px;
}

.pdf-toolbar .btn-icon {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.pdf-toolbar .btn-icon:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-gold);
}

.toolbar-spacer {
    flex: 1;
}

#zoom-level {
    font-size: 13px;
    color: var(--text-muted);
    min-width: 40px;
    text-align: center;
}

.pdf-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pdf-page-wrapper {
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    background: white;
}

.pdf-canvas {
    display: block;
}

.pdf-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 12px;
}

/* ---------------------------------------------------------------------------
   交易分析页面样式
--------------------------------------------------------------------------- */
.ledger-page {
    padding: 24px 0;
}

.ledger-page .page-header {
    margin-bottom: 24px;
}

.ledger-page .page-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.stats-panel {
    margin-bottom: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stats-sheet {
    display: contents;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
}

.stat-card h4 {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.stat-card .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-card .value.positive {
    color: #e74c3c;
}

.stat-card .value.negative {
    color: #27ae60;
}

.stats-charts {
    margin-top: 16px;
}

.stat-block {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.stat-block h4 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 16px;
    color: var(--text-primary);
}

.stat-tables {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.stat-table-wrap h5 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 10px;
}

.stat-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.stat-table th,
.stat-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.stat-table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
}

.stat-table td.number {
    text-align: right;
    font-family: monospace;
    font-weight: 500;
}

.ledger-tabs {
    margin-top: 24px;
}

.tab-bar {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    margin-bottom: -1px;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--accent-gold);
    border-bottom-color: var(--accent-gold);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    background: var(--bg-tertiary);
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.data-table td.number {
    text-align: right;
    font-family: monospace;
    font-weight: 500;
}

.data-table td.positive {
    color: #e74c3c;
}

.data-table td.negative {
    color: #27ae60;
}

.ledger-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.ledger-empty .brand-icon.large {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

.chart-container {
    height: 300px;
    margin: 16px 0;
}

/* ---------------------------------------------------------------------------
   研究观点页面
--------------------------------------------------------------------------- */
.viewpoints-page {
    display: flex;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

.viewpoint-detail {
    flex: 1;
    padding: 32px 40px;
    overflow-y: auto;
    background: var(--bg-primary);
}

.vp-title {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--text-primary);
    line-height: 1.4;
}

.vp-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.vp-summary {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-wrap;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border-left: 3px solid var(--accent-gold);
}

.vp-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 12px;
    height: 100%;
}

.viewpoint-sidebar {
    width: 320px;
    min-width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* 上传报告页面 */
input[type="date"] {
    color: var(--text-primary);
}
/* ---------------------------------------------------------------------------
   研究观点页面美化
--------------------------------------------------------------------------- */
.vp-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.vp-tag.cat-tag {
    background: rgba(212, 160, 23, 0.1);
    border-color: rgba(212, 160, 23, 0.3);
    color: var(--accent-gold);
    font-weight: 500;
}

.vp-summary-card {
    margin-top: 20px;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    position: relative;
}

.vp-summary-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.vp-summary {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
    white-space: pre-wrap;
}

.vp-summary:empty::before {
    content: "暂无核心观点";
    color: var(--text-muted);
    font-style: italic;
}

/* ---------------------------------------------------------------------------
   后台管理标签页
--------------------------------------------------------------------------- */
.admin-tab-pane.hidden {
    display: none !important;
}

/* ---------------------------------------------------------------------------
   交易分析台账序号列
--------------------------------------------------------------------------- */
.data-table td:first-child,
.data-table th:first-child {
    text-align: center;
    width: 50px;
    min-width: 50px;
}

/* ---------------------------------------------------------------------------
   研究观点页面
--------------------------------------------------------------------------- */
.viewpoints-page {
    padding: 0 80px;
}
.vp-summary {
    white-space: pre-wrap;
    line-height: 2.2;
}

/* ---------------------------------------------------------------------------
   报告详情页
--------------------------------------------------------------------------- */
.report-detail-page {
    display: flex;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}
.report-detail-sidebar {
    width: 400px;
    min-width: 360px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.report-detail-sidebar .sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}
.report-detail-sidebar .sidebar-header h2 {
    font-size: 17px;
    font-weight: 600;
    margin: 0 0 10px;
    color: var(--text-primary);
    line-height: 1.5;
}
.report-detail-sidebar .report-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.report-detail-sidebar .sidebar-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}
.report-detail-sidebar .sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}
.report-detail-viewer {
    flex: 1;
    overflow: hidden;
    background: var(--bg-tertiary);
}
.report-detail-viewer iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ---------------------------------------------------------------------------
   全景驾驶舱
--------------------------------------------------------------------------- */
.dashboard-panel {
    margin-bottom: 24px;
}
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}
.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    transition: box-shadow 0.2s;
}
.dashboard-card:hover {
    box-shadow: var(--shadow);
}
.dashboard-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.dashboard-card-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}
.dashboard-badge {
    font-size: 12px;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    color: var(--text-muted);
}
.dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
.dashboard-metric {
    text-align: center;
    padding: 10px 6px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    min-width: 0;
    overflow: hidden;
}
.dashboard-metric-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.dashboard-metric-value {
    font-size: 18px;
    font-weight: 700;
    word-break: break-all;
    line-height: 1.2;
}
.dashboard-metric-value.positive {
    color: #e74c3c;
}
.dashboard-metric-value.negative {
    color: #27ae60;
}
.dashboard-metric-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}
.dashboard-charts {
    margin-top: 16px;
}
.dashboard-chart-block {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}
.dashboard-chart-title {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 16px;
    color: var(--text-primary);
}
.chart-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 20px;
}
.chart-wrap {
    height: 280px;
}

/* ---------------------------------------------------------------------------
   登录checkbox修复
--------------------------------------------------------------------------- */
.login-wrapper .checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}
.login-wrapper .checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
}

/* ---------------------------------------------------------------------------
   富文本编辑器
--------------------------------------------------------------------------- */
.rich-editor-toolbar {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.rich-editor-toolbar button {
    padding: 4px 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    transition: all 0.15s;
}
.rich-editor-toolbar button:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}
.rich-textarea {
    width: 100%;
    min-height: 160px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.8;
    resize: vertical;
    overflow-y: auto;
    outline: none;
}
.rich-textarea:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.1);
}
.form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.form-row .form-group {
    flex: 1;
    min-width: 180px;
    margin-bottom: 16px;
}
.form-row .form-group input,
.form-row .form-group select {
    width: 100%;
}
/* =============================================================================
   FX Master — 移动端响应式适配 (Mobile-First Override)
   ============================================================================= */

/* ========== 平板及以下 (≤1024px) ========== */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

    .viewpoints-page {
        padding: 0 24px !important;
    }

    .viewpoint-detail {
        padding: 24px !important;
    }

    .dashboard-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)) !important;
    }

    .chart-row {
        grid-template-columns: 1fr !important;
    }
}

/* ========== 手机 (≤768px) ========== */
@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .container {
        padding: 0 16px;
    }

    /* --- 头部导航 → 汉堡菜单 --- */
    .site-header .container {
        position: relative;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        transform: none;
        padding: 8px 0;
        z-index: 999;
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav .nav-dropdown {
        padding-bottom: 0;
        margin-bottom: 0;
    }

    .main-nav .nav-menu {
        padding: 14px 20px;
        font-size: 15px;
        border-radius: 0;
        border-bottom: 1px solid var(--border-color);
    }

    .main-nav .nav-dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: var(--bg-secondary);
        display: none;
    }

    .main-nav .nav-dropdown.open .nav-dropdown-menu {
        display: block;
    }

    .main-nav .nav-dropdown-menu a {
        text-align: left;
        padding-left: 32px;
        border-bottom: 1px solid var(--border-color);
    }

    /* 汉堡按钮 */
    .mobile-menu-toggle {
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        margin-left: auto;
        margin-right: 8px;
    }

    .mobile-menu-toggle span {
        display: block;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all 0.3s;
    }

    .mobile-menu-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.open span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* 用户导航在移动端缩小 */
    .user-nav {
        gap: 4px;
    }

    .user-nav .nav-dropdown-menu {
        right: -10px;
    }

    /* --- 首页汇率卡片 --- */
    .fx-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }

    .fx-card {
        padding: 14px !important;
    }

    .fx-card div[style*="font-size: 32px"] {
        font-size: 22px !important;
    }

    .fx-card div[style*="font-size: 24px"] {
        font-size: 18px !important;
    }

    /* --- 研究观点页面：左右分栏 → 上下堆叠 --- */
    .viewpoints-page {
        flex-direction: column !important;
        height: auto !important;
        padding: 0 !important;
    }

    .viewpoint-sidebar {
        width: 100% !important;
        min-width: auto !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color);
        max-height: 50vh;
    }

    .viewpoint-detail {
        padding: 20px 16px !important;
        min-height: 50vh;
    }

    .vp-title {
        font-size: 18px !important;
    }

    .vp-summary {
        line-height: 1.8 !important;
    }

    .vp-summary-card {
        padding: 18px !important;
    }

    /* --- 报告详情页 --- */
    .report-detail-page {
        flex-direction: column !important;
        height: auto !important;
    }

    .report-detail-sidebar {
        width: 100% !important;
        min-width: auto !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color);
        max-height: 60vh;
    }

    .report-detail-viewer {
        height: 60vh;
    }

    /* --- 交易分析页面 --- */
    .ledger-page {
        padding: 16px 0 !important;
    }

    .ledger-page .page-header h2 {
        font-size: 18px !important;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .stat-card {
        padding: 12px !important;
    }

    .stat-card .value {
        font-size: 18px !important;
    }

    .stat-tables {
        grid-template-columns: 1fr !important;
    }

    .tab-btn {
        padding: 8px 12px !important;
        font-size: 13px !important;
    }

    .table-wrapper {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    .data-table {
        min-width: 600px;
    }

    .data-table th,
    .data-table td {
        padding: 6px 8px !important;
        font-size: 12px !important;
    }

    /* --- 后台管理 --- */
    .dashboard-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    .dashboard-metrics {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    .dashboard-metric-value {
        font-size: 14px !important;
    }

    /* --- 登录页 --- */
    .login-wrapper {
        padding: 20px 16px !important;
    }

    .login-card {
        padding: 28px 20px !important;
    }

    /* --- 通用调整 --- */
    h1, h2, h3 {
        word-break: break-word;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .form-row .form-group {
        min-width: auto;
    }
}

/* ========== 小屏手机 (≤480px) ========== */
@media (max-width: 480px) {
    .fx-grid {
        grid-template-columns: 1fr !important;
    }

    .stats-grid {
        grid-template-columns: 1fr !important;
    }

    .dashboard-metrics {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    .vp-meta {
        gap: 8px !important;
    }

    .vp-tag {
        font-size: 11px !important;
        padding: 3px 8px !important;
    }

    .btn {
        padding: 8px 14px;
        font-size: 13px;
    }
}

/* ========== 超小屏 (≤360px) ========== */
@media (max-width: 360px) {
    .brand-logo {
        height: 32px !important;
    }

    .user-nav .btn {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* 汉堡按钮默认隐藏 (桌面端) */
.mobile-menu-toggle {
    display: none;
}