/* 动态实战沿用站内黑金、薄边框、平面色块；所有规则限于 arena。 */
.arena-page { max-width: 1240px; padding: 28px 24px 36px; }
.arena-page *, .arena-page *::before, .arena-page *::after { min-width: 0; }
.arena-page, .arena-page *, .arena-page *::before, .arena-page *::after { animation: none !important; }
.arena-page [hidden] { display: none !important; }
.arena-page .ic { width: 18px; height: 18px; flex: none; }
.arena-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.arena-page h1 { font-size: clamp(24px, 2.4vw, 32px); margin-top: 3px; }
.arena-page h2 { margin: 0 0 12px; font: 600 19px/1.5 var(--serif); color: var(--ink); }
.arena-page h3 { margin: 0 0 7px; font-size: 14px; font-weight: 600; }
.arena-page p { overflow-wrap: anywhere; }
.arena-kicker { color: var(--gold); font-size: 11px; letter-spacing: .09em; margin: 0; }
.arena-mini { color: var(--muted); font-size: 12px; line-height: 1.7; }
.arena-intro { max-width: 700px; font-size: 14px; }
.arena-panel, .arena-slot { border: 1px solid var(--line); background: var(--surface); border-radius: 14px; padding: 22px; }
.arena-error { margin: 0 0 18px; padding: 12px 16px; color: #f2b99b; font-size: 14px; background: #2b1c18; border: 1px solid #644137; border-radius: 10px; white-space: pre-wrap; overflow-wrap: anywhere; }
.arena-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.arena-page .btn { box-shadow: none; }
.arena-page .btn.ghost { border-width: 1px; }
.arena-page .btn.small { font-size: 13px; letter-spacing: .02em; min-height: 40px; border-radius: 9px; }
.arena-page .btn:active { box-shadow: none; transform: translateY(1px); }
.arena-slots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.arena-slot { display: flex; flex-direction: column; gap: 9px; }
.arena-slot h2 { margin: 5px 0 0; font-size: 21px; }
.arena-slot > p { margin: 0; color: var(--muted); font-size: 13px; }
.arena-slot-top, .arena-slot-stat, .arena-note-title { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.arena-slot-stat { margin-top: 10px; font-size: 12px; color: var(--ink-2); }
.arena-slot-stat strong { font-size: 20px; }
.arena-slot .arena-actions { margin-top: auto; padding-top: 8px; }
.arena-tag { display: inline-flex; align-items: center; width: fit-content; border: 1px solid var(--line); background: var(--surface-2); border-radius: 6px; padding: 3px 7px; font: 11px/1.6 var(--sans); color: var(--ink-2); white-space: normal; }
.arena-tag.finished { color: var(--gold); }
.arena-empty { min-height: 288px; justify-content: center; border-style: dashed; background: var(--bg); }
.arena-empty > .arena-kicker { align-self: flex-start; margin-bottom: auto; }
.arena-empty .btn { margin-top: 12px; align-self: flex-start; }
.arena-empty h2 { font-size: 18px; }
.arena-empty-icon { display: flex; color: var(--gold); margin: 6px 0; }
.arena-empty-icon .ic { width: 30px; height: 30px; }
.arena-storage-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 12px 0 24px; color: var(--muted); font-size: 12px; }
.arena-storage-bar > div { display: flex; gap: 2px; flex: none; }
.arena-how-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.arena-how-grid > div { border-left: 1px solid var(--line); padding-left: 16px; }
.arena-how-grid > div:first-child { border-left: 0; padding-left: 0; }
.arena-how-grid .ic { color: var(--gold); margin: 3px 0 10px; }
.arena-how-grid p { margin: 0; color: var(--muted); font-size: 13px; }
.arena-rules { margin-top: 24px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); padding: 14px 0 0; }
.arena-rules summary { display: flex; align-items: center; gap: 7px; cursor: pointer; color: var(--ink-2); width: fit-content; }
.arena-rules summary .ic { width: 15px; height: 15px; }
.arena-rules p { margin: 12px 0; max-width: 1000px; }
.arena-rules a { color: var(--gold); text-underline-offset: 3px; }
.arena-setup-grid, .arena-workbench { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(280px, 1fr); gap: 18px; align-items: start; }
.arena-setup-grid > .arena-panel > p { font-size: 13px; color: var(--ink-2); }
.arena-company-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.arena-company-title h2 { margin: 5px 0 0; font-size: 23px; }
.arena-price { display: block; font-size: 30px; font-weight: 600; line-height: 1.3; }
.arena-quote { text-align: right; }
.arena-quote > span { display: block; font-size: 13px; }
.arena-chart { padding: 10px 0 7px; margin: 4px 0 0; overflow-x: auto; overflow-y: hidden; scrollbar-width: thin; scrollbar-color: #766342 var(--bg); overscroll-behavior-x: contain; }
.arena-chart:focus-visible { outline: 1px solid var(--gold); outline-offset: 3px; }
.arena-chart-canvas { max-width: none; }
.arena-chart svg.kchart { width: 100%; max-width: none; margin: 0; touch-action: pan-x pan-y; }
.arena-chart .kc-ax { font-size: 10.5px; }
.arena-chart .kc-leg { font-size: 10px; }
.arena-chart .kc-hlt { font-size: 9.5px; }
.arena-chart .kc-bs { font-size: 10.5px; }
.arena-chart-navigation { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 7px 16px; margin-top: 8px; }
.arena-chart-navigation p { margin: 0; }
.arena-chart-navigation > div { display: flex; gap: 16px; flex: none; }
.arena-chart-navigation button { padding: 4px 0; border: 0; background: none; color: var(--gold); font-size: 12px; min-height: 32px; }
.arena-chart-navigation button:disabled { color: var(--muted); opacity: .4; cursor: default; }
.arena-chart-scroll-hint { margin: 5px 0 0; }
.arena-review-chart-title { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 6px 16px; }
.arena-review-chart-title h2 { margin-bottom: 0; }
.arena-review-market > .arena-mini { margin-bottom: 0; }
.arena-chart-controls, .arena-review-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.arena-chart-controls { flex-wrap: nowrap; }
.arena-segment { display: inline-flex; flex: none; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.arena-segment button { border: 0; border-left: 1px solid var(--line); padding: 5px 9px; background: transparent; color: var(--muted); font: 11px/1.7 var(--sans); min-height: 32px; white-space: nowrap; }
.arena-segment button:first-child { border-left: 0; }
.arena-segment button[aria-pressed="true"] { background: var(--gold-soft); color: var(--gold); }
.arena-grid-data, .arena-account { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; margin: 16px 0 0; }
.arena-grid-data dt, .arena-account dt { color: var(--muted); font: 11px/1.7 var(--sans); }
.arena-grid-data dd, .arena-account dd { margin: 3px 0 0; color: var(--ink); font-size: 13px; overflow-wrap: anywhere; }
.arena-grid-data dd.up, .arena-account dd.up { color: var(--up); }
.arena-grid-data dd.down, .arena-account dd.down { color: var(--down); }
.arena-label { display: block; font-size: 12px; color: var(--ink-2); margin: 13px 0 6px; }
.arena-input { display: block; width: 100%; min-height: 43px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); padding: 9px 11px; font-size: 14px; outline-offset: 2px; }
.arena-input::placeholder { color: #626a76; font: 12px/1.7 var(--sans); }
textarea.arena-input { resize: vertical; font: 13px/1.7 var(--sans); max-height: 260px; }
.arena-fieldset { border: 0; padding: 0; margin: 20px 0 0; }
.arena-fieldset legend { font-size: 14px; color: var(--ink); }
.arena-mode { display: flex; flex-wrap: wrap; gap: 16px; margin: 8px 0 4px; font-size: 13px; }
.arena-mode label { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }
.arena-mode input { accent-color: var(--gold); }
.arena-range { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.arena-hint { font-size: 12px; color: var(--ink-2); border-left: 2px solid var(--gold); padding-left: 11px; margin: 16px 0; line-height: 1.8; }
.arena-setup-form .btn.block { margin-top: 14px; font-size: 14px; letter-spacing: .03em; min-height: 46px; border-radius: 9px; }
.arena-run-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 12px; }
.arena-account { grid-template-columns: repeat(3, minmax(0, 1fr)); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin: 0 0 18px; gap: 17px 24px; }
.arena-account dd { font-size: 15px; }
.arena-quote-data { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 11px; margin: 12px 0 0; }
.arena-quote-data dd { font-size: 12px; }
.arena-market-card > .arena-mini { margin-bottom: 0; }
.arena-clues { border-top: 1px solid var(--line); padding-top: 13px; margin-top: 15px; }
.arena-clues h3 { display: flex; align-items: center; gap: 6px; color: var(--gold); font-size: 12px; }
.arena-clues p { color: var(--muted); font-size: 12px; margin: 6px 0 0; }
.arena-clues strong { color: var(--ink-2); font-weight: 500; }
.arena-decision { position: sticky; top: 18px; }
.arena-decision-title h2 { margin: 6px 0 16px; }
.arena-side { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; margin: 5px 0 14px; }
.arena-side button { min-height: 40px; padding: 5px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--muted); font-size: 13px; }
.arena-side button[aria-pressed="true"] { color: var(--gold); border-color: var(--gold); background: var(--gold-soft); }
.arena-side button.buy[aria-pressed="true"] { border-color: var(--up); color: var(--up); background: #27161b; }
.arena-side button.sell[aria-pressed="true"] { border-color: var(--down); color: var(--down); background: #10251e; }
.arena-presets { display: flex; gap: 8px; justify-content: space-between; margin-top: 8px; }
.arena-presets button { border: 0; padding: 4px 0; color: var(--gold); background: none; font-size: 11px; }
.arena-presets button:hover { text-decoration: underline; }
.arena-note-form { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 13px; }
.arena-note-form summary { font-size: 13px; cursor: pointer; }
.arena-note-form summary span { margin-left: 4px; }
.arena-next { margin-top: 20px; min-height: 46px; font-size: 14px; border-radius: 9px; letter-spacing: .02em; }
.arena-next > .ic { transform: rotate(-90deg); width: 16px; height: 16px; }
.arena-next-note { margin: 9px 0 0; }
.arena-fill { display: grid; gap: 4px; padding: 10px 12px; border: 1px solid #344e43; border-radius: 8px; margin: 0 0 14px; background: #12221d; }
.arena-fill strong { color: var(--ink-2); font-size: 12px; }
.arena-fill > span { color: var(--muted); font-size: 11px; overflow-wrap: anywhere; }
.arena-fill.rejected { background: #251e14; border-color: #594728; }
.arena-data-panel { margin-top: 18px; padding-top: 0; }
.arena-tabs { display: flex; gap: 22px; border-bottom: 1px solid var(--line); overflow-x: auto; margin-bottom: 20px; scrollbar-width: thin; }
.arena-tabs button { position: relative; flex: none; border: 0; border-bottom: 2px solid transparent; background: none; color: var(--muted); padding: 17px 0 12px; font-size: 13px; white-space: nowrap; }
.arena-tabs button[aria-selected="true"] { color: var(--gold); border-bottom-color: var(--gold); }
.arena-tabs button > i { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); right: -6px; top: 15px; }
.arena-data-heading { display: flex; justify-content: space-between; align-items: start; gap: 15px; }
.arena-data-heading h2 { margin-bottom: 6px; }
.arena-data-heading p { font-size: 13px; color: var(--ink-2); margin: 0; }
.arena-data-heading .arena-tag { flex: none; max-width: 40%; }
.arena-table-wrap { overflow-x: auto; margin: 17px 0; }
.arena-table { border-collapse: collapse; width: 100%; font-size: 12px; line-height: 1.7; }
.arena-table th, .arena-table td { border-bottom: 1px solid var(--line); padding: 11px 9px; text-align: left; overflow-wrap: anywhere; }
.arena-table th { color: var(--muted); font-weight: 400; }
.arena-table td { text-align: right; color: var(--ink-2); }
.arena-table th:first-child { padding-left: 0; }
.arena-table td:last-child { padding-right: 0; }
.arena-table tr > * { width: 25%; }
.arena-table tr > *:nth-child(2) { padding-right: 22px; }
.arena-table tr > *:nth-child(3) { border-left: 1px solid var(--line); padding-left: 22px; }
.arena-equity { margin: 20px 0 0; border-top: 1px solid var(--line); padding-top: 15px; }
.arena-equity figcaption { color: var(--ink-2); font-size: 12px; }
.arena-equity figcaption > span { float: right; color: var(--muted); font-size: 11px; }
.arena-equity svg { width: 100%; height: 220px; display: block; margin-top: 10px; touch-action: pan-y; cursor: crosshair; }
.arena-equity svg:focus-visible { outline: 1px solid var(--gold); outline-offset: 3px; border-radius: 6px; }
.arena-equity svg text { fill: var(--muted); font: 11px var(--mono); }
.arena-equity-readout { margin: 12px 0 0; color: var(--ink); font: 13px/1.8 var(--mono); min-height: 24px; }
.arena-equity-grid { fill: none; stroke: var(--line); stroke-width: 1; stroke-dasharray: 3 4; }
.arena-equity-axis { fill: var(--muted); stroke: none; font: 11px var(--mono); }
.arena-equity-cross { stroke: var(--gold); stroke-width: 1; stroke-dasharray: 3 4; opacity: .65; }
.arena-equity-dot { fill: var(--gold); stroke: var(--surface); stroke-width: 2; }
.arena-equity-hint { font-size: 11px; color: var(--muted); margin: 6px 0 0; }
.arena-review-equity .arena-equity { margin: 0; padding: 0; border: 0; }
.arena-equity-base { fill: none; stroke: var(--line); stroke-width: .6; }
.arena-equity-line { fill: none; stroke: var(--gold); stroke-width: 2; }
.arena-news, .arena-notes { list-style: none; padding: 0; margin: 16px 0 0; }
.arena-news li, .arena-notes li { border-top: 1px solid var(--line); padding: 18px 0; }
.arena-news li:last-child, .arena-notes li:last-child { padding-bottom: 0; }
.arena-news li > div { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.arena-news h3 { margin: 10px 0 6px; font-size: 14px; }
.arena-news p, .arena-notes p { color: var(--ink-2); font-size: 13px; margin: 4px 0; white-space: pre-wrap; }
.arena-news .fresh { border-top-color: var(--gold); }
.arena-note-title { font-size: 12px; }
.arena-note-title > span { color: var(--muted); font-size: 11px; }
.arena-notes p > span { display: block; color: var(--muted); font-size: 11px; margin: 10px 0 4px; }
.arena-empty-note { text-align: center; padding: 28px 12px; color: var(--muted); font-size: 13px; }
.arena-patterns { display: grid; gap: 14px; }
.arena-patterns article { padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.arena-patterns article:last-child { border-bottom: 0; padding-bottom: 0; }
.arena-patterns h3 { color: var(--gold); }
.arena-patterns p { color: var(--ink-2); font-size: 13px; margin: 0; }
.arena-page > .arena-panel + .arena-panel { margin-top: 18px; }
.arena-review-head { margin-top: 0; }
.arena-review-head h2 { margin: 0; }
.arena-review-day { border-top: 1px solid var(--line); }
.arena-review-day > summary { display: grid; grid-template-columns: 65px minmax(0, 1fr) 74px 16px; gap: 10px; padding: 17px 0; align-items: center; cursor: pointer; list-style: none; }
.arena-review-day > summary::-webkit-details-marker { display: none; }
.arena-review-day > summary strong { font-size: 13px; font-weight: 500; overflow-wrap: anywhere; }
.arena-review-day > summary > .num { font-size: 12px; text-align: right; }
.arena-review-day > summary > .ic { width: 15px; height: 15px; color: var(--muted); transition: transform 280ms cubic-bezier(.2,.7,.2,1); }
.arena-review-day[data-expanded="true"] > summary > .ic { transform: rotate(180deg); }
.arena-review-collapse { overflow: hidden; }
.arena-review-body { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 22px; padding: 0 0 20px; }
.arena-review-body h3 { margin-top: 17px; color: var(--gold); font-size: 12px; }
.arena-review-body h3:first-child { margin-top: 0; }
.arena-review-body p, .arena-review-body ul { margin: 6px 0; color: var(--ink-2); font-size: 12px; white-space: pre-wrap; }
.arena-review-body ul { padding-left: 18px; }
.arena-review-then { padding: 14px; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; align-self: start; }
.arena-review-then .arena-fill { margin-top: 12px; margin-bottom: 0; }
.arena-review-body ul.arena-contributions { list-style: none; padding: 7px 11px; border: 1px solid var(--line); border-radius: 7px; margin: 12px 0; }
.arena-contributions li { display: flex; justify-content: space-between; gap: 15px; font-size: 11px; padding: 3px 0; }
.arena-review-body .arena-lesson { padding: 10px 12px; border-left: 2px solid var(--gold); background: var(--bg); margin-top: 15px; }
.arena-review-actions { margin-top: 24px; }
.arena-review-actions .btn { font-size: 14px; min-height: 44px; border-radius: 9px; }
@media (prefers-reduced-motion: reduce) {
  .arena-review-day > summary > .ic { transition: none; }
}
@media (max-width: 1140px) {
  .arena-page { padding: 24px 18px 30px; }
  .arena-workbench, .arena-setup-grid { grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr); gap: 14px; }
  .arena-panel, .arena-slot { padding: 18px; }
  .arena-slots { gap: 12px; }
}
@media (max-width: 1040px) and (min-width: 900px), (max-width: 740px) {
  .arena-slots { grid-template-columns: 1fr; }
  .arena-empty { min-height: 180px; }
  .arena-empty > .arena-kicker { margin-bottom: 0; }
  .arena-empty-icon { display: none; }
  .arena-workbench, .arena-setup-grid { grid-template-columns: 1fr; }
  .arena-decision { position: static; }
  .arena-how-grid { grid-template-columns: 1fr; gap: 16px; }
  .arena-how-grid > div, .arena-how-grid > div:first-child { border-left: 0; padding-left: 0; display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 2px 10px; }
  .arena-how-grid .ic { grid-row: span 2; margin: 0; }
  .arena-how-grid h3 { margin: 0; }
  .arena-data-heading { flex-direction: column; }
  .arena-data-heading .arena-tag { max-width: 100%; }
}
@media (max-width: 480px) {
  .arena-page { padding: 22px 14px 28px; }
  .arena-heading { align-items: start; gap: 5px; }
  .arena-heading .btn { min-height: 32px; font-size: 11px; padding: 0 5px; flex: none; }
  .arena-page h1 { font-size: 23px; }
  .arena-page h2 { font-size: 18px; }
  .arena-panel, .arena-slot { padding: 16px; border-radius: 11px; }
  .arena-storage-bar { align-items: start; flex-direction: column; gap: 4px; }
  .arena-storage-bar .btn { padding: 0 10px; }
  .arena-storage-bar .btn:first-child { padding-left: 0; }
  .arena-account { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 15px; gap: 15px 14px; }
  .arena-account dd { font-size: 13px; }
  .arena-run-top { align-items: start; }
  .arena-run-top > div > .arena-mini { display: block; margin-top: 5px; }
  .arena-run-top > .btn { padding: 0; font-size: 11px; flex: none; }
  .arena-company-title h2 { font-size: 21px; }
  .arena-price { font-size: 27px; }
  .arena-quote-data { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arena-tabs { gap: 20px; margin-bottom: 17px; }
  .arena-tabs button { font-size: 12px; }
  .arena-table { font-size: 11px; }
  .arena-table th, .arena-table td { padding: 10px 5px; }
  .arena-table tr > *:nth-child(2) { padding-right: 9px; }
  .arena-table tr > *:nth-child(3) { padding-left: 9px; }
  .arena-table td { white-space: normal; }
  .arena-grid-data { column-gap: 14px; }
  .arena-equity figcaption > span { float: none; display: block; margin-top: 3px; }
  .arena-review-head { gap: 10px; }
  .arena-review-day > summary { grid-template-columns: 52px minmax(0, 1fr) 62px 13px; gap: 5px; }
  .arena-review-day > summary strong { font-size: 12px; }
  .arena-review-day > summary > .num, .arena-review-day > summary > .arena-kicker { font-size: 10px; }
  .arena-review-body { grid-template-columns: 1fr; gap: 15px; }
  .arena-review-actions .btn { flex: 1 1 100%; }
}