/* AI+行业落地分析报告 - 蓝白黑配色 */

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

:root {
    --blue: #2563eb;
    --blue-light: #eff6ff;
    --white: #ffffff;
    --black: #111827;
    --gray-800: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f8fafc;
    --border: #e5e7eb;
}

body { 
    font-family: "Source Han Serif SC", "Noto Serif SC", "SimSun", serif;
    line-height: 1.85;
    color: var(--black);
    background: var(--white);
}

/* 引导界面：点赞后进入 */
.welcome-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.98);
    transition: opacity 0.3s ease;
}
.welcome-overlay.hidden {
    pointer-events: none;
    opacity: 0;
}
.welcome-overlay-inner {
    text-align: center;
    max-width: 360px;
    padding: 40px 32px;
}
.welcome-title {
    font-size: 1.4em;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 16px;
}
.welcome-hint {
    font-size: 0.95em;
    color: var(--gray-600);
    margin-bottom: 12px;
    line-height: 1.6;
}
.welcome-stars {
    font-size: 1.8em;
    letter-spacing: 0.2em;
    margin-bottom: 24px;
    line-height: 1;
}
.welcome-star-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--blue);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
}
.welcome-star-btn:hover {
    background: #1d4ed8;
    transform: scale(1.02);
}
.welcome-star-btn:active {
    transform: scale(0.98);
}
.welcome-star-icon {
    font-size: 1.3em;
    transition: transform 0.2s;
}
.welcome-star-btn:hover .welcome-star-icon {
    transform: rotate(-15deg) scale(1.1);
}

.layout {
    display: flex;
    min-height: 100vh;
}
.main-scroll {
    flex: 1;
    min-width: 0;
    overflow-y: auto;
}

/* 左侧目录 - 居中使用，规范层级 */
.sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--white);
    border-right: 1px solid var(--border);
    padding: 28px 20px 32px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    flex-shrink: 0;
}
.sidebar-header {
    padding: 0 8px 12px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
}
.sidebar-title {
    font-size: 1.05em;
    font-weight: 600;
    color: var(--gray-800);
    padding: 0 8px 12px;
    margin-bottom: 8px;
    text-align: center;
}
.sidebar-subtitle {
    padding: 0 0 12px;
    font-size: 0.72em;
    color: var(--gray-500);
    font-weight: 500;
}

/* 目录搜索 */
.toc-search-wrap {
    position: relative;
    margin-top: 10px;
}
.toc-search-input {
    width: 100%;
    padding: 8px 28px 8px 12px;
    font-size: 0.9em;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--gray-50);
    color: var(--black);
    transition: border-color 0.2s, background 0.2s;
    outline: none;
}
.toc-search-input::placeholder { color: var(--gray-400); }
.toc-search-input:hover { border-color: var(--gray-400); }
.toc-search-input:focus {
    border-color: var(--blue);
    background: var(--white);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}
.toc-search-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    font-size: 1.2em;
    line-height: 1;
    color: var(--gray-400);
    cursor: pointer;
    text-align: center;
    border-radius: 50%;
    transition: color 0.2s, background 0.2s;
}
.toc-search-clear:hover { color: var(--gray-600); background: var(--gray-200); }
.toc-group-hidden { display: none !important; }

.toc-item {
    display: block;
    padding: 10px 16px;
    margin: 0 4px 2px;
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.9em;
    line-height: 1.5;
    border-radius: 6px;
    transition: color 0.2s ease, background 0.2s ease;
}

.toc-item:hover { color: var(--black); background: var(--gray-100); }
.toc-item.active { color: var(--blue); font-weight: 500; background: var(--blue-light); }
.toc-item.level1 { padding-left: 20px; font-weight: 600; font-size: 0.92em; letter-spacing: 0.02em; }
.toc-item.level2 { padding-left: 28px; font-size: 0.875em; font-weight: 500; }
.toc-item.level3 { padding-left: 36px; font-size: 0.82em; color: var(--gray-600); }

/* 目录折叠/展开 - 丝滑交互 */
.toc-group { margin-bottom: 1px; }
.toc-group-header {
    display: flex;
    align-items: center;
    cursor: default;
    position: relative;
    border-radius: 6px;
    margin: 0 8px;
    transition: background 0.2s ease;
}
.toc-group-header.toc-has-children {
    cursor: pointer;
    user-select: none;
}
.toc-group-header.toc-has-children:hover {
    background: var(--gray-100);
}
.toc-group-header.toc-has-children:active {
    background: var(--border);
}
.toc-toggle {
    flex-shrink: 0;
    width: 22px;
    padding: 4px 0;
    margin-right: 2px;
    font-size: 0.65em;
    color: var(--gray-500);
    text-align: center;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s;
}
.toc-toggle.collapsed {
    transform: rotate(-90deg);
}
.toc-group-header.toc-has-children:hover .toc-toggle { color: var(--gray-700); }
.toc-group-header .toc-item {
    flex: 1;
    min-width: 0;
}
.toc-group-children {
    display: grid;
    grid-template-rows: 1fr;
    transition: grid-template-rows 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}
.toc-group-children.collapsed {
    grid-template-rows: 0fr;
}
.toc-group-children-inner {
    overflow: hidden;
    min-height: 0;
}
@media (prefers-reduced-motion: reduce) {
    .toc-group-children, .toc-toggle { transition: none; }
}

.main {
    flex: 1;
    min-width: 0;
    width: 100%;
    padding: 48px 4rem 80px;
    margin: 0 auto;
    background: var(--gray-50);
}
.main a { color: var(--blue); text-underline-offset: 3px; transition: color 0.2s; }
.main a:hover { text-decoration: underline; color: #1d4ed8; }

.cover {
    text-align: center;
    padding: 80px 0 60px;
    border-bottom: 1px solid var(--border);
    background: var(--white);
}

.cover h1 {
    font-size: 2.4em;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.cover .subtitle { font-size: 1.1em; color: var(--gray-600); margin-bottom: 8px; }
.cover .meta { font-size: 0.9em; color: var(--gray-500); }

.cover-thought {
    width: 100%;
    max-width: 100%;
    margin: 20px 0 8px;
    padding: 16px 20px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--blue);
    background: var(--white);
    font-size: 0.95em;
    line-height: 1.8;
    color: var(--gray-600);
    text-align: left;
}
.cover-thought strong { color: var(--black); }

.cover-intro {
    margin: 16px 0;
    padding: 20px 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-left: 4px solid var(--blue);
    text-align: left;
    font-size: 0.95em;
    line-height: 1.8;
    color: var(--black);
}
.cover-intro p { margin: 0 0 12px; text-indent: 0; }
.cover-intro p:last-child { margin-bottom: 0; }
.cover-intro a { color: var(--blue); }
.cover-thought-byline {
    display: block;
    margin-top: 10px;
    font-size: 0.9em;
    color: var(--gray-500);
}

.chapter {
    margin: 48px 0;
    background: var(--white);
    padding: 32px;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.chapter h2 {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--black);
}

.chapter h3 {
    font-size: 1.2em;
    font-weight: 600;
    color: var(--gray-800);
    margin: 28px 0 14px;
}

.chapter h4 {
    font-size: 1.05em;
    font-weight: 600;
    color: var(--gray-600);
    margin: 20px 0 10px;
}

.chapter h5 {
    font-size: 1em;
    font-weight: 500;
    color: var(--gray-500);
    margin: 16px 0 8px;
}

.chapter p {
    margin: 0 0 14px;
    text-indent: 2em;
    text-align: justify;
}

.chapter .no-indent { text-indent: 0; }

.chapter ul, .chapter ol {
    margin: 12px 0 12px 2em;
    padding-left: 1em;
}

.chapter li { margin: 6px 0; }

.chapter table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.95em;
}

.chapter th, .chapter td {
    border: 1px solid var(--border);
    padding: 10px 14px;
}

.chapter th { background: var(--gray-50); font-weight: 500; }

.blockquote {
    border-left: 4px solid var(--border);
    padding: 12px 20px;
    margin: 20px 0;
    background: var(--gray-50);
    color: var(--gray-600);
}

/* 可视化容器 */
.viz-container {
    margin: 28px 0;
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
}

.viz-title {
    font-size: 0.95em;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 16px;
    text-align: center;
}

.hidden { display: none !important; }

/* 最新动态与创业机会 */
.latest-updates-box { border-left: 4px solid var(--blue); }
.latest-updates-hint { font-size: 0.88em; color: var(--gray-600); margin-bottom: 12px; }
.latest-updates-list { list-style: none; padding: 0; margin: 0; }
.latest-updates-item {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.latest-updates-item:last-child { border-bottom: none; }
.latest-updates-topic {
    display: inline-block;
    font-size: 0.75em;
    color: var(--blue);
    background: rgba(37, 99, 235, 0.08);
    padding: 2px 8px;
    border-radius: 4px;
    margin-right: 8px;
}
.latest-updates-link {
    font-weight: 500;
    color: var(--gray-900);
    text-decoration: none;
}
.latest-updates-link:hover { color: var(--blue); text-decoration: underline; }
.latest-updates-snippet { font-size: 0.85em; color: var(--gray-600); margin: 4px 0 0; line-height: 1.5; }

.viz-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.viz-wrapper canvas { max-width: 100%; }

.mermaid {
    text-align: center;
    margin: 20px 0;
}

.mermaid svg { max-width: 100%; }

/* 信息卡片 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin: 20px 0;
}

.info-card {
    padding: 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-align: center;
}

.info-card .value {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 4px;
}

.info-card .label {
    font-size: 0.8em;
    color: var(--gray-500);
}

/* 进度条 */
.maturity-bar {
    margin: 12px 0;
}

.maturity-bar .row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 8px 0;
}

.maturity-bar .name { flex: 0 0 100px; font-size: 0.9em; }
.maturity-bar .bar-wrap { flex: 1; height: 20px; background: var(--gray-100); border-radius: 4px; overflow: hidden; }
.maturity-bar .bar { height: 100%; border-radius: 4px; background: var(--blue) !important; }
.maturity-bar .pct { flex: 0 0 45px; font-size: 0.85em; color: var(--gray-500); }

/* 报告配图 */
.report-img {
    width: 100%;
    max-width: 480px;
    height: auto;
    border-radius: 4px;
    margin: 20px auto;
    display: block;
    border: 1px solid var(--border);
}
.report-img-wrap {
    margin: 28px 0;
    text-align: center;
}
.report-img-cap {
    font-size: 0.85em;
    color: var(--gray-500);
    margin-top: 8px;
}
.report-img-cap a {
    color: var(--gray-500);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.report-img-cap a:hover {
    color: var(--blue);
}

/* 提示框 - 统一蓝白黑 */
.tip-box {
    padding: 14px 18px;
    border-radius: 4px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--blue);
    margin: 16px 0;
    font-size: 0.95em;
    background: var(--white);
}
/* 统一蓝白黑：tip-green/amber/purple 均用蓝色描边 */
.tip-box.tip-blue,
.tip-box.tip-green,
.tip-box.tip-amber,
.tip-box.tip-purple {
    background: var(--white);
    border-color: var(--blue);
}
.tip-box strong { display: block; margin-bottom: 6px; }
.tip-box, .tip-box p { text-indent: 0; }

/* 金句摘要框 - 文学化点缀 */
.quote-box {
    margin: 24px 0;
    padding: 20px 24px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-left: 4px solid var(--gray-500);
    border-radius: 0 4px 4px 0;
    font-style: italic;
    color: var(--gray-700);
    font-size: 0.98em;
    line-height: 1.8;
}
.quote-box .quote-text { display: block; margin-bottom: 0; text-indent: 0; }
.quote-box .quote-source {
    display: block;
    margin-top: 10px;
    font-style: normal;
    font-size: 0.85em;
    color: var(--gray-500);
}
.quote-box .quote-source a {
    color: var(--blue);
    text-decoration: none;
}
.quote-box .quote-source a:hover {
    text-decoration: underline;
}

/* 步骤列表 */
.step-list {
    counter-reset: step;
    margin: 20px 0;
    list-style: none;
    padding-left: 0;
}
.step-list li {
    list-style: none;
    padding-left: 44px;
    position: relative;
    margin: 12px 0;
    counter-increment: step;
}
.step-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    width: 28px;
    height: 28px;
    background: var(--blue);
    color: var(--white);
    border-radius: 50%;
    text-align: center;
    line-height: 28px;
    font-weight: 600;
    font-size: 0.9em;
}

/* 一页核心结论：序号紧贴文字、居中、紧凑美观 */
.step-list.summary-list {
    max-width: 640px;
    margin: 12px auto 20px;
}
.step-list.summary-list li {
    padding-left: 36px;
    margin: 10px 0;
}

/* 表格 */
.comp-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.9em;
    background: var(--white);
}
.comp-table th, .comp-table td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    text-align: left;
}
.comp-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-800);
}
.comp-table tr:hover td { background: var(--gray-50); }

/* 概念卡片 */
.concept-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin: 20px 0;
}
.concept-card {
    padding: 14px 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.9em;
}
.concept-card .term { font-weight: 600; color: var(--blue); margin-bottom: 4px; }
.concept-card .desc { color: var(--gray-600); font-size: 0.9em; line-height: 1.5; }

/* 案例卡片 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin: 20px 0;
}
.case-card {
    padding: 14px 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.9em;
}
.case-card .company { font-weight: 600; color: var(--black); margin-bottom: 4px; }
.case-card .result { color: var(--gray-600); font-size: 0.85em; }

.highlight-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.9em;
}
.highlight-table th { background: var(--blue); color: var(--white); padding: 10px 14px; text-align: left; }
.highlight-table td { padding: 10px 14px; border: 1px solid var(--border); }
.highlight-table tr:nth-child(even) td { background: var(--gray-50); }

/* 封面/提示区 */
.cover-box { padding: 12px 16px; border: 1px solid var(--border); border-left: 4px solid var(--blue); background: var(--white); margin: 12px 0; }
.cover-box a { color: var(--blue); }
.callout-box { padding: 16px; border-radius: 4px; border: 1px solid var(--border); border-left: 4px solid var(--blue); background: var(--white); margin-bottom: 24px; }

/* 打印优化 */
/* ========== 移动端响应式 ========== */
@media (max-width: 992px) {
    .layout { flex-direction: column; }
    .sidebar {
        width: 100%;
        min-width: 100%;
        height: auto;
        max-height: 50vh;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 16px;
    }
    .main { padding: 24px 20px 60px; }
    .cover { padding: 40px 16px 40px; }
    .cover h1 { font-size: 1.8em; }
    .chapter { padding: 20px 16px; margin: 24px 0; }
    .podcast-panel { padding: 12px 16px 20px; }
}

@media (max-width: 768px) {
    .main { padding: 20px 16px 80px; }
    .cover h1 { font-size: 1.5em; }
    .chapter h2 { font-size: 1.3em; }
    .comp-table { font-size: 0.85em; }
    .comp-table th, .comp-table td { padding: 8px 10px; }
    .viz-container { padding: 16px; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .supplements-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .cover h1 { font-size: 1.3em; }
    .card-grid { grid-template-columns: 1fr; }
}

/* 表格横向滚动（小屏幕） */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 500px; }

/* ========== 可访问性：焦点样式 ========== */
a:focus, button:focus { outline: 2px solid var(--blue); outline-offset: 2px; }
a:focus:not(:focus-visible), button:focus:not(:focus-visible) { outline: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

/* Skip 跳转主内容（仅聚焦时可见） */
.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 99999;
    padding: 12px 24px;
    background: var(--blue);
    color: var(--white);
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    transition: left 0.2s;
}
.skip-link:focus { left: 16px; top: 16px; }

@media print {
    .sidebar { display: none !important; }
    .layout { display: block !important; }
    .main { padding: 24px 16px !important; }
    body { background: white !important; }
    .cover { padding: 40px 0 24px !important; }
    .chapter { break-inside: avoid; }
    .viz-container, .report-img-wrap { break-inside: avoid; }
}

.sidebar-nav-label {
    padding: 12px 16px 8px;
    font-size: 0.72em;
    color: var(--gray-500);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-top: 1px solid var(--border);
    margin-top: 16px;
}
.footer-nav { margin-top: 60px; padding: 16px; background: var(--gray-50); border-radius: 8px; font-size: 0.9em; }

/* 深度报告：第一步/第二步 蓝白黑统一 */
.step-toc-1, .step-toc-2 {
    padding: 10px 16px;
    margin: 8px 4px 4px;
    font-size: 0.72em;
    font-weight: 600;
    letter-spacing: 0.03em;
    border-radius: 6px;
}
.step-toc-1 { color: var(--gray-800); background: var(--gray-100); }
.step-toc-2 { color: var(--blue); background: var(--blue-light); }
.step-chapter-1 { border: 2px solid var(--gray-800); border-radius: 8px; padding: 24px; margin: 32px 0; }
.step-chapter-2 { border: 2px solid var(--blue); border-radius: 8px; padding: 24px; margin: 32px 0; }
.step-chapter-1 h2 { color: var(--gray-800); }
.step-chapter-2 h2 { color: var(--blue); }
.step-intro { margin-top: 12px; padding: 12px; background: var(--white); border: 1px solid var(--border); border-left: 4px solid var(--blue); border-radius: 4px; font-size: 0.9em; }

/* AI 助手：顶部居中固定，不受滚动条控制 */
.assistant-cta {
    position: fixed;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
}
.assistant-cta-inner {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.btn-assistant-main {
    padding: 6px 14px;
    background: var(--blue);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 0.9em;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-assistant-main:hover { background: #1d4ed8; }
.btn-assistant-main.active { background: #1d4ed8; }
.btn-assistant-sub {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--white);
    color: var(--gray-600);
    font-size: 0.85em;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}
.btn-assistant-sub:hover { border-color: var(--gray-400); color: var(--gray-800); }
.btn-assistant-sub .icon { display: inline-block; width: 10px; margin-right: 3px; vertical-align: -1px; }

/* 章节页：右上角简约按钮（无 assistant-cta 时） */
.top-right-ctrl {
    position: fixed; top: 16px; right: 16px; z-index: 9999;
    display: flex; gap: 8px; align-items: center;
}
.top-right-ctrl button {
    padding: 8px 14px; border: 1px solid var(--border); border-radius: 8px;
    background: var(--white); color: var(--gray-700); font-size: 0.9em; cursor: pointer;
    transition: all 0.2s; box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.top-right-ctrl button:hover { background: var(--blue-light); color: var(--blue); border-color: var(--blue); }
.top-right-ctrl button.active { background: var(--blue); color: var(--white); border-color: var(--blue); }

/* 播客播放器面板（底部栏） */
.podcast-panel {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 9998;
    background: linear-gradient(180deg, rgba(255,255,255,0.97) 0%, rgba(255,255,255,0.99) 100%);
    border-top: 1px solid var(--border); padding: 16px 24px 24px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08); display: none;
}
.podcast-panel.visible { display: block; }
.podcast-panel .podcast-title { font-size: 0.95em; font-weight: 600; color: var(--black); margin-bottom: 8px; }
.podcast-panel .podcast-status-wrap {
    display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
    padding: 10px 14px; background: var(--gray-100); border-radius: 8px; border-left: 4px solid var(--gray-400);
}
.podcast-panel .podcast-status-wrap.status-active {
    background: rgba(37, 99, 235, 0.1); border-left-color: var(--blue);
}
.podcast-panel .podcast-status-wrap.status-active::before {
    content: ''; width: 8px; height: 8px; background: var(--blue); border-radius: 50%;
    animation: podcast-pulse 1s infinite;
}
.podcast-panel .podcast-status-label { font-size: 0.85em; color: var(--gray-600); font-weight: 500; }
.podcast-panel .podcast-status { font-size: 0.9em; color: var(--gray-700); min-height: 1.2em; }
.podcast-panel .podcast-status.status-loading { color: var(--blue); font-weight: 500; }
.podcast-panel .podcast-status.status-playing { color: var(--blue); font-weight: 600; }
.podcast-panel .podcast-status.status-warn { color: #b45309; font-weight: 500; }
.podcast-panel .podcast-status.status-done { color: var(--gray-600); }
@keyframes podcast-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.podcast-panel .podcast-tips { font-size: 0.8em; color: var(--gray-500); margin-bottom: 10px; }
.podcast-panel .podcast-test-btn,
.podcast-panel .podcast-fallback-btn { margin-right: 8px; padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--white); cursor: pointer; font-size: 0.85em; }
.podcast-panel .podcast-test-btn:hover,
.podcast-panel .podcast-fallback-btn:hover { background: var(--blue-light); color: var(--blue); }
.podcast-panel .podcast-fallback-btn.active { background: var(--blue); color: var(--white); border-color: var(--blue); }
.podcast-panel .podcast-episode { font-size: 0.85em; color: var(--gray-600); margin-bottom: 12px; }
.podcast-panel .progress-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.podcast-panel .progress-bar { flex: 1; height: 6px; background: var(--gray-200); border-radius: 3px; overflow: hidden; cursor: pointer; }
.podcast-panel .progress-fill { height: 100%; background: var(--blue); width: 0%; transition: width 0.1s; }
.podcast-panel .progress-time { font-size: 0.8em; color: var(--gray-500); min-width: 90px; }
.podcast-panel .episode-list { max-height: 120px; overflow-y: auto; font-size: 0.85em; }
.podcast-panel .episode-item { padding: 6px 0; cursor: pointer; color: var(--gray-600); }
.podcast-panel .episode-item:hover { color: var(--blue); }
.podcast-panel .episode-item.playing { color: var(--blue); font-weight: 500; }

/* 行业/数据补充（自动爬取） */
.supplements-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 12px; }
.supplement-card { padding: 14px; background: var(--gray-50); border-radius: 8px; border: 1px solid var(--border); }
.supplement-card .supplement-topic { font-weight: 600; color: var(--blue); margin-bottom: 8px; font-size: 0.95em; }
.supplement-card ul { margin: 0; padding-left: 18px; font-size: 0.85em; color: var(--gray-700); }
.supplement-card li { margin-bottom: 4px; }
.supplement-card a { color: var(--gray-800); }
.supplement-card a:hover { color: var(--blue); }

/* AI对话：右侧固定面板，不受主滚动条影响，内部有独立滚动 */
.chat-panel {
    width: 0;
    min-width: 0;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-left: 1px solid var(--border);
    transition: width 0.25s ease, min-width 0.25s ease;
}
.layout.layout-chat-open .main { margin-right: 380px; }
.layout.layout-chat-open .chat-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 380px;
    min-width: 380px;
    height: 100vh;
    z-index: 9990;
    box-shadow: -4px 0 20px rgba(0,0,0,0.08);
}
.chat-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.95em;
    flex-shrink: 0;
    background: var(--white);
}
.chat-panel-actions { display: flex; align-items: center; gap: 8px; }
.chat-header-btn {
    padding: 4px 10px;
    font-size: 0.8em;
    color: var(--gray-600);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}
.chat-header-btn:hover { color: var(--blue); border-color: var(--blue); }
.chat-panel-close {
    background: none;
    border: none;
    font-size: 1.2em;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0 6px;
    line-height: 1;
}
.chat-panel-close:hover { color: var(--black); }
.chat-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px;
    -webkit-overflow-scrolling: touch;
}
.chat-msg {
    margin-bottom: 16px;
    font-size: 0.9em;
    line-height: 1.6;
}
.chat-msg p { margin: 0; word-break: break-word; }
.chat-msg-user {
    text-align: right;
}
.chat-msg-user p {
    display: inline-block;
    max-width: 85%;
    padding: 10px 14px;
    background: var(--blue);
    color: var(--white);
    border-radius: 12px 12px 4px 12px;
}
.chat-msg-bot p {
    display: block;
    max-width: 100%;
    padding: 10px 14px;
    background: var(--gray-100);
    border-radius: 12px 12px 12px 4px;
    margin: 0 0 8px 0;
}
.chat-msg-bot p:last-child { margin-bottom: 0; }
.chat-msg-bot strong { font-weight: 600; color: var(--gray-900); }
.chat-msg-bot em { font-style: italic; color: var(--gray-700); }
.chat-msg-bot a.chat-link {
    color: var(--blue);
    text-decoration: none;
    border-bottom: 1px solid rgba(37,99,235,0.3);
    transition: color 0.2s, border-color 0.2s;
}
.chat-msg-bot a.chat-link:hover { color: #1d4ed8; border-bottom-color: var(--blue); }
.chat-msg-bot a.chat-link:active { opacity: 0.9; }
.chat-msg-bot ul.chat-list {
    margin: 8px 0;
    padding-left: 20px;
    list-style: disc;
}
.chat-msg-bot ul.chat-list li { margin-bottom: 4px; }
.chat-msg-bot .chat-heading {
    font-weight: 600; color: var(--gray-900); margin: 12px 0 8px;
    font-size: 1em; line-height: 1.4;
}
.chat-msg-bot .chat-heading:first-child { margin-top: 0; }
.chat-msg-bot .chat-divider {
    border: none; border-top: 1px solid var(--border);
    margin: 12px 0;
}
.chat-msg-bot .chat-img {
    max-width: 100%; height: auto; border-radius: 8px;
    margin: 8px 0; display: block;
}
.chat-msg-bot .chat-table-wrap {
    margin: 12px 0;
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--white);
}
.chat-msg-bot .chat-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9em;
}
.chat-msg-bot .chat-table th,
.chat-msg-bot .chat-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.chat-msg-bot .chat-table th {
    font-weight: 600;
    color: var(--gray-900);
    background: #f8f9fa;
    min-width: 4.5em;
}
.chat-msg-bot .chat-table tbody tr:hover {
    background: #fafbfc;
}
.chat-msg-bot .chat-table tbody tr:last-child td {
    border-bottom: none;
}
.chat-msg-bot .chat-table td {
    color: var(--gray-700);
    line-height: 1.5;
}
.chat-msg-loading p { color: var(--gray-500); font-style: italic; }
.chat-msg-loading p::before { content: ''; display: inline-block; width: 6px; height: 6px; background: var(--blue); border-radius: 50%; margin-right: 8px; vertical-align: middle; animation: chat-pulse 1s ease-in-out infinite; }
@keyframes chat-pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
.chat-prompts {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    background: #fafbfc;
}
.chat-prompt-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    background: var(--white);
    color: var(--gray-600);
    font-size: 0.8em;
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: color 0.2s, background 0.2s, box-shadow 0.2s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.chat-prompt-btn:hover {
    color: var(--blue);
    background: var(--white);
    box-shadow: 0 1px 4px rgba(37, 99, 235, 0.12);
}
.chat-input-wrap {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    display: flex;
    gap: 8px;
    align-items: flex-end;
    background: var(--white);
}
.chat-input-wrap textarea {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9em;
    resize: none;
    font-family: inherit;
    min-height: 44px;
    max-height: 120px;
}
.chat-input-wrap textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}
.chat-send {
    padding: 10px 18px;
    background: var(--blue);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 0.9em;
    cursor: pointer;
    flex-shrink: 0;
}
.chat-send:hover { background: #1d4ed8; }
.chat-send:disabled { background: var(--gray-400); cursor: not-allowed; }
@media (max-width: 768px) {
    .layout.layout-chat-open .main { margin-right: 0; }
    .layout.layout-chat-open .chat-panel { width: 100%; min-width: 100%; }
}