/* quant_v2 网页 —— 极简样式（无外部依赖） */
:root {
  --bg: #f5f6f8; --card: #fff; --line: #e2e4e8;
  --text: #23272f; --muted: #7a808a; --accent: #2b6cb0; --ok: #2f9e44;
  --warn: #d9480f; --err: #c92a2a;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
       background: var(--bg); color: var(--text); }
.topbar { display: flex; justify-content: space-between; align-items: center;
          background: #1e2a3a; color: #fff; padding: 8px 16px; }
.topbar a { color: #cfe3f7; text-decoration: none; margin-right: 12px; }
.topbar .brand a { color: #fff; font-weight: 700; font-size: 1.05rem; }
.topbar .who { color: #9fb3c8; margin-right: 12px; }
main { max-width: 1080px; margin: 18px auto; padding: 0 16px; }
h1 { font-size: 1.35rem; }
h2 { font-size: 1.05rem; margin-top: 22px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px;
        padding: 16px; }
.card.narrow { max-width: 420px; }
label { display: block; margin: 10px 0 4px; font-size: .9rem; color: var(--muted); }
input, select { width: 100%; padding: 7px 9px; border: 1px solid var(--line);
                border-radius: 6px; font: inherit; }
button { background: var(--accent); color: #fff; border: 0; border-radius: 6px;
         padding: 8px 16px; cursor: pointer; font: inherit; margin-top: 10px; }
button.linklike { background: none; color: var(--accent); padding: 0; margin: 0 8px 0 0;
                  font-size: .85rem; }
button.linklike:hover { text-decoration: underline; }
form.inline { display: inline; }
form.inline select { width: auto; padding: 2px 4px; }
table.data { width: 100%; border-collapse: collapse; background: var(--card);
             margin: 8px 0; }
table.data th, table.data td { border: 1px solid var(--line); padding: 6px 8px;
        text-align: left; font-size: .9rem; }
table.data thead th { background: #eef1f5; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: .8rem; }
.empty { text-align: center; color: var(--muted); padding: 18px 0 !important; }
.tag { border-radius: 10px; padding: 1px 8px; font-size: .78rem; color: #fff; }
.st-queued { background: #868e96; }
.st-running { background: #1971c2; }
.st-success { background: var(--ok); }
.st-failed { background: var(--err); }
.st-a { background: var(--ok); }
.st-b { background: #1971c2; }
.logbox { background: #10151c; color: #d6e2ec; padding: 12px; border-radius: 8px;
          overflow-x: auto; font-size: .8rem; line-height: 1.5; min-height: 200px;
          white-space: pre-wrap; }
.logbox.report-body { background: #fff; color: #23272f; border: 1px solid var(--line);
                      min-height: 400px; }

/* ===== 深度研究报告排版 ===== */
.report-md { background: var(--card); border: 1px solid var(--line);
             border-radius: 8px; padding: 18px 22px; line-height: 1.7; }
.report-md h1, .report-md h2, .report-md h3, .report-md h4 {
  margin: 1.1em 0 .5em; line-height: 1.3; }
.report-md h1 { font-size: 1.35rem; border-bottom: 2px solid var(--line);
                padding-bottom: 6px; }
.report-md h2 { font-size: 1.15rem; border-bottom: 1px solid var(--line);
                padding-bottom: 4px; }
.report-md h3 { font-size: 1.02rem; }
.report-md p { margin: .5em 0; }
.report-md ul, .report-md ol { margin: .4em 0 .6em; padding-left: 1.5em; }
.report-md table { border-collapse: collapse; width: 100%; margin: 10px 0;
                   font-size: .88rem; }
.report-md th, .report-md td { border: 1px solid var(--line);
                               padding: 5px 8px; text-align: left; }
.report-md th { background: #eef1f5; }
.report-md blockquote { margin: .6em 0; padding: 6px 12px;
                        border-left: 3px solid var(--accent);
                        background: #f0f5fb; color: #333; }
.report-md pre { background: #10151c; color: #d6e2ec; border-radius: 6px;
                 padding: 10px; overflow-x: auto; }
.report-md code { background: #eef1f5; border-radius: 4px; padding: 1px 5px;
                  font-size: .85em; }
.report-md pre code { background: none; padding: 0; color: inherit; }
.report-md strong { font-weight: 700; }
.report-md hr { border: none; border-top: 1px solid var(--line);
                margin: 14px 0; }
.flashes { margin: 8px 0; }
.flash { padding: 8px 12px; border-radius: 6px; margin: 4px 0; font-size: .9rem; }
.flash.error { background: #ffe3e3; color: var(--err); border: 1px solid #ffc9c9; }
.flash.message { background: #e6f4ea; color: #1e7a34; border: 1px solid #b7e4c7; }
.filter { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.filter label { margin: 0; }
.filter input, .filter select { width: auto; }
.filter button { margin: 0; }
.pager { display: flex; gap: 12px; align-items: center; }
a.small { color: var(--accent); }

/* ===== 演示页 ===== */
.demo-banner { background: #fff7e6; border: 1px solid #ffe0a3; color: #8a6d1a;
               border-radius: 8px; padding: 8px 12px; margin-bottom: 12px;
               font-size: .85rem; }
.demo-filters { margin: 10px 0; gap: 8px; }
.chip { background: #eef1f5; color: #333; border: 1px solid var(--line);
        border-radius: 999px; padding: 6px 18px; cursor: pointer;
        font-size: .9rem; margin: 0; }
.chip.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.demo-slogan { padding: 6px 2px 10px; color: var(--muted); }
.demo-slogan strong { color: var(--text); }
.up { color: var(--ok); }
.down { color: var(--err); }
.coming-grid { display: grid; grid-template-columns: repeat(auto-fill,
               minmax(220px, 1fr)); gap: 12px; margin-top: 20px; }
.card.ghost { border-style: dashed; color: var(--muted); min-height: 110px; }
.card.ghost h3 { margin-top: 0; color: var(--muted); }