/* 设计系统 v2 —— 对齐 Kimi 深度研究可视化报告（实测令牌：sidebar 320px、#1e293b 正文、白卡+柔影、蓝渐变标题、藏青横幅） */
:root {
  --ink: #1e293b;
  --ink-soft: #475569;
  --muted: #64748b;
  --paper: #f6f8fb;
  --surface: #ffffff;
  --rule: #e2e8f0;
  --brand: #2563eb;
  --brand-deep: #4f46e5;
  --brand-ink: #0f172a;
  --ok: #16a34a;
  --ok-bg: #f0fdf4;
  --review: #d97706;
  --review-bg: #fffbeb;
  --decision: #dc2626;
  --decision-bg: #fef2f2;
  --info-bg: #eff6ff;
  --purple-bg: #faf5ff;
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 4px 16px rgba(15, 23, 42, 0.08);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.75; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }

/* ---------------- 左侧固定目录（实测 320px） ---------------- */
.report-sidebar {
  position: fixed; inset: 0 auto 0 0; width: 300px; z-index: 20;
  display: flex; flex-direction: column;
  background: var(--surface); border-right: 1px solid var(--rule);
  padding: 28px 20px 20px;
}
.sidebar-head { padding: 0 8px 20px; border-bottom: 1px solid var(--rule); }
.sidebar-title { font: 700 17px/1.4 var(--serif); }
.sidebar-meta { margin-top: 6px; color: var(--muted); font-size: 12px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  display: flex; align-items: baseline; gap: 10px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
  padding: 9px 12px; border-radius: 10px;
  color: var(--ink-soft); font-size: 14.5px;
}
.sidebar-nav a:hover { background: var(--paper); text-decoration: none; }
.sidebar-nav a.active { background: var(--info-bg); color: var(--brand); font-weight: 600; }
.nav-kicker { font: 600 11px var(--mono); color: var(--muted); }
.sidebar-nav a.active .nav-kicker { color: var(--brand); }
.sidebar-foot { padding: 14px 8px 0; border-top: 1px solid var(--rule); color: var(--muted); font: 11px/1.7 var(--mono); }
.nav-toggle { display: none; }

/* ---------------- 内容流 ---------------- */
.report-content { margin-left: 300px; }
.report-main { max-width: 1080px; margin: 0 auto; padding: 0 clamp(20px, 3.5vw, 48px) 40px; }
.report-page { padding: clamp(40px, 6vw, 72px) 0 48px; border-bottom: 1px solid var(--rule); }
.report-page:first-child { padding-top: clamp(48px, 6vw, 80px); }
.report-page:last-of-type { border-bottom: 0; }

/* Hero */
.page-hero { position: relative; margin-bottom: 28px; padding-right: 0; }
.page-kicker { font: 700 13px var(--mono); color: var(--brand); letter-spacing: 0.12em; margin-bottom: 10px; }
.page-title {
  margin: 0 0 14px; font: 800 clamp(34px, 4.6vw, 56px)/1.12 var(--serif);
  text-wrap: balance;
  background: linear-gradient(120deg, var(--brand) 0%, var(--brand-deep) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-conclusion { max-width: 780px; margin: 0; font-size: clamp(15.5px, 1.6vw, 18px); color: var(--ink-soft); }
.page-action {
  margin-top: 18px; max-width: 780px;
  border-left: 3px solid var(--decision); padding: 4px 0 4px 16px;
  color: var(--ink-soft); font-size: 14px; background: var(--decision-bg);
  border-radius: 0 10px 10px 0; padding: 10px 16px 10px 16px;
}
.page-action strong { color: var(--decision); font: 700 12px var(--mono); letter-spacing: 0.1em; margin-right: 8px; }
.page-action p { display: inline; margin: 0; }

/* KPI 浅色卡组 */
.kpi-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin: 0 0 24px; }
.kpi-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px 24px; border-top: 3px solid var(--brand); }
.kpi-card.tone-ok { border-top-color: var(--ok); background: var(--ok-bg); }
.kpi-card.tone-review { border-top-color: var(--review); background: var(--review-bg); }
.kpi-card.tone-decision { border-top-color: var(--decision); background: var(--decision-bg); }
.kpi-value { font: 800 34px/1.1 var(--sans); font-variant-numeric: tabular-nums; color: var(--brand-ink); }
.kpi-unit { margin-left: 6px; font: 600 14px var(--sans); color: var(--muted); }
.kpi-label { margin-top: 8px; color: var(--muted); font-size: 13px; }

/* KPI 深色横幅（实测 #0f172a） */
.kpi-banner {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px; background: rgba(255,255,255,0.12);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  margin: 0 0 24px; background-color: var(--brand-ink);
}
.banner-cell { background: var(--brand-ink); padding: 26px 26px 22px; min-width: 0; }
.banner-value { font: 800 clamp(20px, 1.9vw, 32px)/1.15 var(--sans); font-variant-numeric: tabular-nums; color: #fff; white-space: nowrap; }
.banner-unit { margin-left: 6px; font: 600 13px var(--sans); color: #93c5fd; }
.banner-label { margin-top: 8px; color: #cbd5e1; font-size: 13px; font-weight: 600; }
.banner-note { margin-top: 4px; color: #64748b; font-size: 12px; line-height: 1.55; }

/* 白色内容卡 */
.block-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); margin: 0 0 24px; overflow: hidden; transition: box-shadow 0.2s var(--ease); }
.block-card:hover { box-shadow: var(--shadow-hover); }
.block-head { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding: 20px 28px 14px; border-bottom: 1px solid var(--rule); }
.block-head h3 { margin: 0; font: 700 18px var(--serif); color: var(--brand-ink); }
.block-note { color: var(--muted); font-size: 12px; text-align: right; max-width: 46%; }
.block-body { padding: 20px 28px 26px; }
.block-body > .chart { height: 380px; }

/* ECharts 容器 */
.chart { width: 100%; }

/* 深色表头表格（实测案例样式） */
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table caption { padding: 4px 0 14px; text-align: left; font: 700 15px var(--serif); color: var(--brand-ink); }
.data-table th { background: var(--brand-ink); color: #fff; font: 600 12.5px var(--sans); padding: 11px 14px; text-align: left; white-space: nowrap; }
.data-table td { padding: 11px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; color: var(--ink-soft); }
.data-table tbody tr:nth-child(even) { background: #f8fafc; }
.data-table tbody tr:hover { background: var(--info-bg); }
.data-table td:first-child { font-weight: 600; color: var(--ink); }
.data-table td.numeric { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* 状态灯（色+文字双编码） */
.state-chip { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.state-chip::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: currentColor; }
.state-ok { color: var(--ok); }
.state-review { color: var(--review); }
.state-decision { color: var(--decision); }
.state-none { color: #94a3b8; }

/* 实体卡（供应商红绿灯） */
.entity-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.entity-card { display: block; border: 1px solid var(--rule); border-radius: 14px; padding: 18px 20px; background: var(--surface); color: inherit; transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease); }
.entity-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); text-decoration: none; }
.entity-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.entity-avatar { flex: none; width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; color: #fff; font: 700 17px var(--sans); background: linear-gradient(135deg, var(--brand), var(--brand-deep)); }
.entity-name { font: 700 15.5px var(--sans); color: var(--ink); }
.entity-role { font-size: 12px; color: var(--muted); }
.entity-stats { display: flex; flex-wrap: wrap; gap: 6px 14px; font: 12px var(--mono); color: var(--muted); }
.entity-stats b { color: var(--ink); font-weight: 700; }

/* 规格网格 / 特性卡 */
.spec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.spec-item { border: 1px solid var(--rule); border-radius: 12px; padding: 14px 16px; background: #fbfdff; }
.spec-item strong { display: block; font-size: 13.5px; color: var(--brand); margin-bottom: 4px; }
.spec-item span { font-size: 13px; color: var(--ink-soft); }
.arch-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.arch-card { border-radius: 14px; padding: 20px 22px; background: linear-gradient(160deg, var(--info-bg), #fff); border: 1px solid #dbeafe; }
.arch-card h4 { margin: 0 0 6px; font: 700 15.5px var(--sans); color: var(--brand); }
.arch-card p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }

/* callout */
.block-callout { border-radius: 14px; padding: 16px 22px; margin: 0 0 24px; font-size: 14px; border: 1px solid; }
.block-callout p { margin: 0; }
.callout-review { background: var(--review-bg); border-color: #fde68a; color: #92400e; }
.callout-decision { background: var(--decision-bg); border-color: #fecaca; color: #991b1b; }
.callout-info { background: var(--info-bg); border-color: #bfdbfe; color: #1e40af; }

/* 排除清单 chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--rule); border-radius: 999px; padding: 7px 16px; font-size: 13px; color: var(--ink-soft); background: var(--surface); }
.chip::before { content: "×"; color: var(--decision); font-weight: 700; }

/* 时间线（实测案例：蓝竖线+圆点） */
.timeline { position: relative; margin: 8px 0 0 10px; padding-left: 28px; border-left: 2px solid #bfdbfe; }
.timeline-item { position: relative; padding: 0 0 22px 6px; }
.timeline-item::before { content: ""; position: absolute; left: -37px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--brand); border: 2.5px solid #dbeafe; }
.timeline-item strong { display: block; font-size: 14.5px; color: var(--ink); }
.timeline-item span { font-size: 13px; color: var(--muted); }

/* 报价标尺 */
.price-ruler { position: relative; padding: 8px 10px 64px; }
.ruler-track { position: relative; height: 10px; border-radius: 999px; background: linear-gradient(90deg, #bbf7d0, #fde68a 55%, #fecaca 85%); margin-top: 44px; }
.ruler-mark { position: absolute; top: 0; transform: translateX(-50%); text-align: center; font: 12px/1.4 var(--mono); color: var(--ink-soft); max-width: 130px; white-space: normal; }
.ruler-mark b { display: block; font-size: 13.5px; color: var(--ink); }
.ruler-mark::after { content: ""; display: block; width: 2px; height: 14px; margin: 3px auto 0; background: var(--ink-soft); }
.ruler-mark--below { top: auto; bottom: 0; }
.ruler-mark--below::after { display: none; }
.ruler-mark--below::before { content: ""; display: block; width: 2px; height: 14px; margin: 0 auto 3px; background: var(--ink-soft); }
.ruler-mark.redline b, .ruler-mark.redline { color: var(--decision); }
.ruler-mark.redline::after { background: var(--decision); }
.ruler-caption { margin-top: 16px; font-size: 12.5px; color: var(--muted); }

/* 五栏 RFQ */
.rfq-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.rfq-col { border-radius: 14px; padding: 18px; background: var(--info-bg); border: 1px solid #dbeafe; }
.rfq-col h4 { margin: 0 0 8px; font: 700 14.5px var(--sans); color: var(--brand); }
.rfq-col ul { margin: 0; padding-left: 18px; font-size: 13px; color: var(--ink-soft); }

/* 来源区 */
.page-sources { margin-top: 8px; padding: 16px 4px 0; border-top: 1px dashed var(--rule); }
.page-sources strong { font: 700 12px var(--mono); color: var(--muted); letter-spacing: 0.08em; }
.source-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 8px; }
.source-links a { font-size: 13px; }

/* 页脚 */
.report-footer { margin: 20px auto 0; max-width: 1080px; padding: 34px clamp(20px, 3.5vw, 48px) 44px; background: var(--brand-ink); color: #94a3b8; font-size: 13px; border-radius: 18px 18px 0 0; }

/* 详情页（Markdown 档案） */
.detail-index, .detail-main { max-width: 920px; margin: 0 auto; padding: clamp(32px, 6vw, 72px) clamp(20px, 5vw, 40px); }
.detail-article { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: clamp(28px, 5vw, 56px); }
.detail-article h1 { margin: 0 0 28px; font: 800 clamp(28px, 4.5vw, 44px)/1.2 var(--serif); color: var(--brand-ink); }
.detail-article h2 { margin: 42px 0 16px; padding-top: 18px; border-top: 2px solid var(--brand-ink); font: 800 22px/1.3 var(--serif); color: var(--brand-ink); }
.detail-article h3 { margin: 30px 0 12px; font: 700 17px/1.4 var(--serif); }
.detail-article p, .detail-article li { font-size: 15px; color: var(--ink-soft); }
.detail-article table { width: 100%; margin: 20px 0 26px; border-collapse: collapse; font-size: 13px; }
.detail-article th, .detail-article td { padding: 9px 12px; border: 1px solid var(--rule); text-align: left; vertical-align: top; }
.detail-article th { background: var(--brand-ink); color: #fff; font: 600 12.5px var(--sans); }
.detail-article blockquote { margin: 22px 0; padding: 6px 0 6px 18px; border-left: 3px solid var(--review); color: var(--muted); }
.detail-article code { font-family: var(--mono); font-size: 0.9em; background: var(--paper); padding: 0.12em 0.34em; border-radius: 4px; }
.detail-article pre { overflow-x: auto; padding: 16px; background: var(--brand-ink); color: #e2e8f0; border-radius: 12px; }
.detail-article pre code { padding: 0; background: transparent; }
.detail-article img { max-width: 100%; height: auto; border-radius: 10px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 960px) {
  .report-sidebar { transform: translateX(-100%); transition: transform .22s ease; box-shadow: none; }
  body.nav-open .report-sidebar { transform: translateX(0); box-shadow: 0 0 60px rgba(15,23,42,.25); }
  .nav-toggle {
    display: block; position: sticky; top: 0; z-index: 30; width: 100%;
    padding: 12px 18px; border: 0; background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
    font: 600 14px var(--sans); color: var(--ink); text-align: left; border-bottom: 1px solid var(--rule);
  }
  .report-content { margin-left: 0; }
  .block-note { display: none; }
  .block-body > .chart { height: 320px; }
}
@media (max-width: 560px) {
  .banner-value { font-size: 26px; }
  .kpi-value { font-size: 28px; }
  .block-body { padding: 16px 16px 20px; }
  .block-head { padding: 16px 16px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------------- 打印 ---------------- */
@media print {
  .report-sidebar, .nav-toggle { display: none; }
  .report-content { margin: 0; }
  .report-main { max-width: none; padding: 0; }
  .report-page { break-after: page; padding: 10mm 0; }
  .block-card, .kpi-banner { box-shadow: none; border: 1px solid var(--rule); }
  .block-body > .chart { height: 95mm; }
  .detail-article { box-shadow: none; }
  .detail-article h2, .detail-article h3 { break-after: avoid; }
  .detail-article table, .detail-article pre, .detail-article blockquote { break-inside: avoid; }
}