/* text2sql · 站点样式
   视觉方向：工业控制台。冷灰机台底、白色面板、墨黑文字；安全黄只做标记，状态用指示灯。
   隐喻取自数据集本身（智能制造）：工位、质检标签、返工回路、图签。 */

@font-face {
  font-family: "T2S Heavy";
  src: url("../fonts/heavy.woff2") format("woff2");
  font-weight: 900;
  font-display: swap;
}
@font-face {
  font-family: "T2S Signage";
  src: url("../fonts/signage.woff2") format("woff2");
  font-weight: 800;
  font-display: swap;
}
@font-face {
  font-family: "T2S Mono";
  src: url("../fonts/mono-regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "T2S Mono";
  src: url("../fonts/mono-bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #e7e9ec;
  --bg-deep: #dcdfe3;
  --panel: #ffffff;
  --panel-2: #f5f6f8;
  --ink: #0f1318;
  --ink-2: #343b44;
  --ink-3: #626c78;
  --ink-4: #98a1ab;
  --line: #cdd2d8;
  --line-2: #aeb6bf;
  --signal: #ffcc00;
  --signal-soft: #fff3b8;
  --run: #1e9e57;
  --hold: #e0a100;
  --stop: #d8342a;
  --steel: #2b4a64;
  --steel-2: #7d97ad;
  --code-bg: #0f1318;
  --code-line: #262c34;
  --code-ink: #e3e7ec;

  --heavy: "T2S Heavy", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --signage: "T2S Signage", "Big Shoulders Display", "Arial Narrow", "Roboto Condensed", sans-serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "T2S Mono", "Chivo Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --measure: 1240px;
  --gutter: clamp(18px, 3.4vw, 40px);
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --stripe: repeating-linear-gradient(-45deg, var(--signal) 0 7px, var(--ink) 7px 14px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

/* 组件自己声明了 display 时，hidden 属性会被覆盖；统一在这里兜住 */
[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--signal);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration-color: var(--line-2);
  text-underline-offset: 3px;
}
a:hover {
  text-decoration-color: var(--ink);
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--signal);
}

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.muted {
  color: var(--ink-3);
}
.small {
  font-size: 13px;
}
.label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ------------------------------------------------------------------ 刊头 */

.masthead {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--ink);
  color: #e9edf1;
  border-bottom: 3px solid var(--signal);
}
.masthead .wrap {
  display: flex;
  align-items: center;
  gap: 26px;
  height: 56px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.plate {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 28px;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--signage);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.04em;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 84% 100%, 0 100%);
}
.wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.wordmark b {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
}
.wordmark span {
  font-size: 11px;
  color: #9aa6b2;
  letter-spacing: 0.12em;
}
.toc {
  display: flex;
  gap: 4px;
  margin-left: auto;
  font-size: 13.5px;
}
.toc a {
  padding: 5px 10px;
  text-decoration: none;
  color: #c5cdd5;
  white-space: nowrap;
}
.toc a i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 10.5px;
  color: #6f7c89;
  margin-right: 6px;
}
.toc a:hover,
.toc a.is-current {
  color: var(--ink);
  background: var(--signal);
}
.toc a:hover i,
.toc a.is-current i {
  color: var(--ink);
}
.engine-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border: 1px solid #2d343d;
  font-family: var(--mono);
  font-size: 11px;
  color: #c9d1d9;
  white-space: nowrap;
  background: #161b21;
}
.led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--hold);
  box-shadow: 0 0 0 2px rgba(224, 161, 0, 0.18), 0 0 8px rgba(224, 161, 0, 0.55);
  animation: blink 1.1s steps(2, jump-none) infinite;
}
.engine-pill[data-state="ready"] .led {
  background: var(--run);
  box-shadow: 0 0 0 2px rgba(30, 158, 87, 0.2), 0 0 8px rgba(30, 158, 87, 0.6);
  animation: none;
}
.engine-pill[data-state="error"] .led {
  background: var(--stop);
  box-shadow: 0 0 8px rgba(216, 52, 42, 0.6);
  animation: none;
}
.repo {
  font-family: var(--mono);
  font-size: 12px;
  color: #c5cdd5;
  text-decoration: none;
  border: 1px solid #2d343d;
  padding: 4px 10px;
}
.repo:hover {
  background: var(--signal);
  color: var(--ink);
  border-color: var(--signal);
}
@keyframes blink {
  50% {
    opacity: 0.35;
  }
}

/* ------------------------------------------------------------------ 首屏 */

.hero {
  padding: clamp(44px, 7vw, 96px) 0 clamp(40px, 6vw, 72px);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: end;
}
.kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--ink-2);
}
.kicker-mark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 11.5px;
  padding: 3px 8px;
  background: var(--ink);
  color: var(--signal);
  letter-spacing: 0.06em;
}
.hero h1 {
  margin: 0;
  font-family: var(--heavy);
  font-weight: 900;
  font-size: clamp(38px, 5.6vw, 78px);
  line-height: 1.06;
  letter-spacing: -0.01em;
}
.hero h1 mark {
  background: linear-gradient(transparent 58%, var(--signal) 58%, var(--signal) 92%, transparent 92%);
  color: inherit;
  padding: 0 0.04em;
}
.lede {
  margin: 26px 0 0;
  max-width: 36em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.spec-plate {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  position: relative;
}
.spec-plate::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: -9px;
  width: 64px;
  height: 6px;
  background: var(--stripe);
}
.plate-head,
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
}
.plate-head .mono,
.panel-head .mono {
  font-size: 10.5px;
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: 0.08em;
}
.spec {
  margin: 0;
  padding: 4px 14px 8px;
  font-size: 13.5px;
}
.spec div {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}
.spec div:last-child {
  border-bottom: 0;
}
.spec dt {
  color: var(--ink-3);
}
.spec dd {
  margin: 0;
}
.spec dd.mono {
  font-size: 12.5px;
}

/* ------------------------------------------------------------------ 章节 */

.section {
  padding: clamp(44px, 6vw, 80px) 0;
  border-top: 1px solid var(--line);
}
.section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 30px;
}
.section-head .num {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  background: var(--ink);
  color: var(--signal);
  font-family: var(--signage);
  font-weight: 800;
  font-size: 30px;
  line-height: 1;
}
.section-head h2 {
  margin: 0;
  font-family: var(--heavy);
  font-weight: 900;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.15;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 72px;
  height: 5px;
  margin-top: 10px;
  background: var(--stripe);
}
.section-head p {
  margin: 12px 0 0;
  max-width: 50em;
  color: var(--ink-2);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--ink);
}

/* ------------------------------------------------------------------ 控制台 */

.console {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  padding: 20px clamp(16px, 2.4vw, 28px) 18px;
}
/* 数据集选择：1px 间隙透出底色当分隔线；换行后最后一行自动拉满，不留空格子 */
.datasets {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin-bottom: 18px;
  border: 1px solid var(--line-2);
  background: var(--line-2);
}
.dataset {
  flex: 1 1 150px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 10px 14px 11px;
  border: 0;
  background: var(--panel-2);
  text-align: left;
  cursor: pointer;
  position: relative;
  min-width: 0;
}
.dataset b {
  font-size: 14.5px;
  line-height: 1.35;
}
.dataset small {
  font-size: 11.5px;
  color: var(--ink-3);
}
.dataset[aria-selected="true"] {
  background: var(--ink);
  color: #f1f4f7;
}
.dataset[aria-selected="true"] small {
  color: #9fabb7;
}
.dataset[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--signal);
}
.dataset:hover:not([aria-selected="true"]) {
  background: var(--signal-soft);
}

/* 数据卡片：像设备铭牌，左侧一道钢蓝标识条 */
.sheet {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--steel);
  background: var(--panel);
  padding: 14px 16px 12px;
  display: grid;
  gap: 10px;
}
.sheet-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
}
.sheet-head h3 {
  margin: 0 6px 0 0;
  font-family: var(--heavy);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.01em;
}
.sheet-head .spacer {
  flex: 1;
}
.sheet-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 1px 6px;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
}
.sheet-tag.is-license {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}
.sheet-source {
  font-size: 12.5px;
  color: var(--ink-2);
}
.sheet-summary {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
  max-width: 72em;
}
.schema {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 6px;
}
.schema-table {
  border: 1px solid var(--line);
  background: var(--panel-2);
}
.schema-table[open] {
  grid-column: 1 / -1;
  background: var(--panel);
  border-color: var(--line-2);
}
.schema-table summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 8px;
  padding: 6px 10px;
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
}
.schema-table summary > * {
  white-space: nowrap;
}
.schema-table summary::-webkit-details-marker {
  display: none;
}
.schema-table summary::before {
  content: "▸";
  color: var(--ink-4);
  font-size: 11px;
}
.schema-table[open] summary::before {
  content: "▾";
  color: var(--ink);
}
.schema-table summary code,
.column-chip code {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
}
.schema-table summary .mono {
  margin-left: auto;
  font-size: 11px;
  color: var(--ink-3);
  white-space: nowrap;
}
.schema-table > p,
.schema-table > .columns-list {
  margin: 0;
  padding: 0 10px 10px;
}
.column-chip b {
  font-weight: 600;
}
.sheet-rules summary {
  cursor: pointer;
  font-size: 12.5px;
  color: var(--ink-2);
}
.sheet-rules ol,
.sheet-rules ul {
  margin: 8px 0 0;
  padding-left: 1.4em;
  font-size: 13px;
  color: var(--ink-2);
  display: grid;
  gap: 3px;
}
.relations {
  list-style: square;
}
.relations code {
  font-family: var(--mono);
  font-size: 11.5px;
}
.sheet-status {
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
}

.upload {
  margin-bottom: 18px;
}
.dropzone {
  display: grid;
  gap: 6px;
  padding: 22px;
  border: 2px dashed var(--line-2);
  background: repeating-linear-gradient(-45deg, var(--panel) 0 10px, var(--panel-2) 10px 20px);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.dropzone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.dropzone:hover,
.dropzone.is-over {
  border-color: var(--ink);
  background: var(--signal-soft);
}
.dropzone-title {
  font-family: var(--heavy);
  font-weight: 900;
  font-size: 18px;
}
.dropzone-note {
  font-size: 12.5px;
  color: var(--ink-3);
  max-width: 62em;
}
.upload-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  margin-top: 10px;
}
.upload-summary:empty {
  display: none;
}
.upload-summary {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}
.columns-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.column-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 1px 7px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  font-size: 12.5px;
}
.column-chip i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
}
.column-chip.is-sensitive {
  border-color: var(--stop);
  color: var(--stop);
  background: #fdecea;
}
.upload-error {
  border-left: 3px solid var(--stop);
  background: #fdecea;
  padding: 10px 14px;
  font-size: 14px;
}

.ask-form {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 14px;
  border: 2px solid var(--ink);
  padding: 8px 8px 8px 14px;
  background: var(--panel);
}
.ask-form label {
  grid-column: 1 / -1;
  margin-bottom: -6px;
}
.ask-input {
  width: 100%;
  border: 0;
  background: transparent;
  font-family: var(--sans);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
  color: var(--ink);
  padding: 4px 0;
  resize: none;
  outline: none;
}
.ask-input::placeholder {
  color: var(--ink-4);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: #f3f6f8;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.btn:hover:not(:disabled) {
  background: var(--signal);
  color: var(--ink);
}
.btn:disabled {
  opacity: 0.4;
  cursor: progress;
}
.btn kbd {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 1px 5px;
  border: 1px solid currentColor;
  opacity: 0.75;
}
.btn-ghost {
  background: var(--panel);
  color: var(--ink);
}

.modes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
}
.modes .label {
  margin-right: 6px;
}
.mode {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  border: 1px solid var(--line-2);
  background: var(--panel);
  padding: 4px 11px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
}
.mode small {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
}
.mode[aria-checked="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: #f3f6f8;
  box-shadow: inset 0 -3px 0 var(--signal);
}
.mode[aria-checked="true"] small {
  color: #a8b3bf;
}
.mode:hover:not(:disabled):not([aria-checked="true"]) {
  background: var(--signal-soft);
  border-color: var(--ink);
}
.mode:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.console-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 18px;
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--ink-3);
}
.console-bar .spacer {
  flex: 1;
}
.link-btn {
  border: 0;
  background: none;
  padding: 0;
  color: var(--ink);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: var(--line-2);
  text-underline-offset: 3px;
}
.link-btn:hover {
  text-decoration-color: var(--ink);
  background: var(--signal-soft);
}

.examples {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px 28px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}
.examples:empty {
  display: none;
}
.examples h3 {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.examples ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.example {
  border: 0;
  background: none;
  padding: 2px 0;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.55;
}
.example::before {
  content: "▸";
  color: var(--ink-4);
  margin-right: 7px;
}
.example:hover {
  background: var(--signal-soft);
}
.example:hover::before {
  color: var(--ink);
}
.example[data-llm]::after {
  content: attr(data-llm);
  margin-left: 8px;
  font-size: 10px;
  font-family: var(--mono);
  padding: 0 5px;
  background: var(--ink);
  color: var(--signal);
  vertical-align: 1px;
}

.boot {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--ink-2);
}
.boot-track {
  height: 8px;
  border: 1px solid var(--ink);
  background: var(--panel);
  position: relative;
  overflow: hidden;
}
.boot-track span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--stripe);
  transition: width 0.35s var(--ease);
}

/* ------------------------------------------------------------------ 一轮问答 */

.thread {
  margin-top: 22px;
  display: grid;
  gap: 18px;
}
.turn {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  animation: rise 0.4s var(--ease) both;
}
.turn-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}
.turn-index {
  display: grid;
  place-items: center;
  min-width: 40px;
  height: 28px;
  padding: 0 8px;
  background: var(--signal);
  font-family: var(--signage);
  font-weight: 800;
  font-size: 18px;
}
.turn-question {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 700;
  line-height: 1.4;
}
.turn-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  text-align: right;
}
.turn-body {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
}

.ledger {
  font-size: 13px;
  background: var(--panel-2);
  border-right: 1px solid var(--line);
  padding: 10px 0 12px;
  align-self: stretch;
}
.ledger-title {
  display: flex;
  justify-content: space-between;
  padding: 0 14px 6px;
  border-bottom: 1px solid var(--line);
}
.ledger ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ledger li {
  display: grid;
  grid-template-columns: 12px 22px 1fr auto;
  gap: 8px;
  align-items: baseline;
  padding: 6px 14px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
  color: var(--ink-4);
}
.ledger li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-2);
  align-self: center;
}
.ledger li .n {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
}
.ledger li .ms {
  font-family: var(--mono);
  font-size: 11px;
  text-align: right;
}
.ledger li .detail {
  grid-column: 3 / -1;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.5;
  color: var(--ink-3);
  word-break: break-all;
  display: none;
}
.ledger li.done {
  color: var(--ink);
}
.ledger li.done .detail {
  display: block;
}
.ledger li.done::before {
  background: var(--run);
  box-shadow: 0 0 5px rgba(30, 158, 87, 0.55);
}
.ledger li.warn::before {
  background: var(--hold);
  box-shadow: 0 0 5px rgba(224, 161, 0, 0.6);
}
.ledger li.fail::before {
  background: var(--stop);
  box-shadow: 0 0 5px rgba(216, 52, 42, 0.6);
}
.ledger li.skipped .label-text {
  text-decoration: line-through;
  text-decoration-color: var(--line-2);
}
.ledger li.live {
  color: var(--ink);
}
.ledger li.live::before {
  background: var(--hold);
  animation: blink 0.8s steps(2, jump-none) infinite;
}
.ledger li.step {
  padding-left: 30px;
  font-size: 12px;
  background: var(--panel);
}
.ledger li.step::before {
  width: 6px;
  height: 6px;
  border-radius: 0;
}
.ledger li.step .label-text {
  font-family: var(--mono);
  font-size: 11px;
}
.ledger-total {
  display: flex;
  justify-content: space-between;
  padding: 8px 14px 0;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-2);
}

.turn-main {
  padding: 14px 18px 18px;
  min-width: 0;
}
.verdict {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: 13px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 8px;
  border: 1px solid var(--line-2);
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
  background: var(--panel);
}
.tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-4);
}
.tag-answered::before {
  background: var(--run);
}
.tag-declined::before {
  background: var(--hold);
}
.tag-rejected::before,
.tag-failed::before {
  background: var(--stop);
}
.tag-planner {
  background: var(--ink);
  color: #f1f4f7;
  border-color: var(--ink);
}
.tag-planner::before {
  display: none;
}
.rewrite {
  color: var(--ink-3);
}
.rewrite b {
  color: var(--ink);
  background: var(--signal-soft);
  padding: 0 4px;
}

.answer {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
}
.answer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.answer li {
  position: relative;
  padding-left: 20px;
}
.answer li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--signal);
  border: 1px solid var(--ink);
}
.notice {
  margin: 12px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--hold);
  background: #fffaeb;
  color: var(--ink-2);
}
.notice.is-danger {
  border-left-color: var(--stop);
  background: #fdecea;
}
.notice p {
  margin: 0;
}
.notice .suggest {
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 13.5px;
}

/* 结果操作：钉到看板、存为示例 */
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: -4px 0 14px;
}
.act {
  border: 1px solid var(--line-2);
  background: var(--panel);
  padding: 3px 10px;
  font-size: 12.5px;
  color: var(--ink);
  cursor: pointer;
}
.act::before {
  content: "+";
  font-family: var(--mono);
  margin-right: 6px;
  color: var(--ink-3);
}
.act:hover:not(:disabled) {
  border-color: var(--ink);
  background: var(--signal-soft);
}
.act:disabled {
  cursor: default;
  color: var(--run);
  border-color: var(--run);
}
.act:disabled::before {
  content: "✓";
  color: var(--run);
}
.chart-switch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin-bottom: 12px;
}
.chart-switch .label {
  margin-right: 10px;
}
.chart-switch button {
  border: 1px solid var(--line-2);
  background: var(--panel);
  padding: 2px 10px;
  font-size: 12.5px;
  cursor: pointer;
  margin-left: -1px;
  color: var(--ink-2);
}
.chart-switch button[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #f3f6f8;
  position: relative;
}
.chart-switch button:hover:not([aria-pressed="true"]) {
  background: var(--signal-soft);
}
.follow-ups {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.follow-ups .label {
  margin-right: 6px;
}
.chip {
  border: 1px solid var(--line-2);
  background: var(--panel-2);
  padding: 3px 10px;
  font-size: 13px;
  cursor: pointer;
  color: var(--ink);
  text-align: left;
}
.chip:hover {
  border-color: var(--ink);
  background: var(--signal-soft);
}
.sql-edit-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 10px 0;
}
.sql-editor {
  width: 100%;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  background: var(--code-bg);
  color: var(--code-ink);
  border: 2px solid var(--ink);
  padding: 12px 14px;
  resize: vertical;
  tab-size: 2;
}
.sql-editor:focus {
  outline: 3px solid var(--signal);
  outline-offset: 0;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 18px;
  border-bottom: 2px solid var(--ink);
}
.tab {
  border: 1px solid transparent;
  border-bottom: 0;
  background: none;
  padding: 6px 14px;
  font-size: 13.5px;
  color: var(--ink-3);
  cursor: pointer;
}
.tab[aria-selected="true"] {
  background: var(--ink);
  color: var(--signal);
}
.tab:hover:not([aria-selected="true"]) {
  color: var(--ink);
  background: var(--signal-soft);
}
.panel-body,
.tab-panel {
  padding-top: 16px;
  animation: fade 0.25s var(--ease) both;
}

.chart {
  margin: 0 0 14px;
}
.chart svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.chart figcaption {
  margin-top: 4px;
  font-size: 12px;
  color: var(--ink-3);
}
.chart-title {
  margin: 0 0 10px;
  font-size: 13.5px;
  font-weight: 600;
}
.kpis {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.kpi {
  min-width: 170px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--signal);
  background: var(--panel-2);
}
.kpi .value {
  display: block;
  font-family: var(--signage);
  font-weight: 800;
  font-size: 44px;
  line-height: 1;
}
.kpi .name {
  font-size: 12.5px;
  color: var(--ink-3);
}

.table-wrap {
  max-height: 420px;
  overflow: auto;
  border: 1px solid var(--line);
}
.table-wrap.flat {
  border: 0;
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
table.data th {
  position: sticky;
  top: 0;
  background: var(--bg-deep);
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  color: var(--ink-2);
  padding: 7px 10px;
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
table.data td {
  padding: 6px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  vertical-align: top;
}
table.data .num {
  text-align: right;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
}
table.data tbody tr:nth-child(even) td {
  background: var(--panel-2);
}
table.data tbody tr:hover td {
  background: var(--signal-soft);
}
.null {
  color: var(--ink-4);
}
.panel-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 18px;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--ink-3);
}

.sql-block {
  position: relative;
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 14px 16px 14px 0;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.75;
  border-left: 4px solid var(--signal);
}
.sql-block ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: line;
}
.sql-block li {
  counter-increment: line;
  white-space: pre-wrap;
  word-break: break-word;
  padding-left: 50px;
  position: relative;
}
.sql-block li::before {
  content: counter(line);
  position: absolute;
  left: 0;
  width: 34px;
  text-align: right;
  color: #56606b;
}
.sql-block .kw {
  color: #ffcc00;
}
.sql-block .fn {
  color: #8fbcdf;
}
.sql-block .str {
  color: #86d6a0;
}
.sql-block .numlit {
  color: #7fe0e8;
}
.sql-block .ident {
  color: #ffffff;
}
.sql-block .cm {
  color: #6b7580;
}
.sql-copy {
  position: absolute;
  top: 8px;
  right: 8px;
  border: 1px solid #3a424c;
  background: #161b21;
  color: #aab4be;
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 2px 8px;
  cursor: pointer;
}
.sql-copy:hover {
  background: var(--signal);
  color: var(--ink);
  border-color: var(--signal);
}

.guard-line {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-2);
}
.guard-line ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
/* 质检标签：黄色吊牌、穿孔、条纹边，SQL 通过安全门时贴上 */
.qc-tag {
  flex-shrink: 0;
  position: relative;
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: center;
  width: 150px;
  min-height: 62px;
  background: var(--signal);
  color: var(--ink);
  clip-path: polygon(14px 0, 100% 0, 100% 100%, 14px 100%, 0 50%);
  animation: tag-in 0.45s var(--ease) both;
}
.qc-tag::before {
  content: "";
  width: 9px;
  height: 9px;
  margin-left: 11px;
  border-radius: 50%;
  background: var(--panel);
  box-shadow: inset 0 0 0 2px var(--ink);
}
.qc-tag::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 8px;
  background: repeating-linear-gradient(-45deg, var(--ink) 0 4px, var(--signal) 4px 8px);
}
.qc-tag span {
  display: block;
  padding: 6px 14px 6px 6px;
  line-height: 1.25;
}
.qc-tag b {
  display: block;
  font-family: var(--heavy);
  font-weight: 900;
  font-size: 15px;
}
.qc-tag small {
  font-family: var(--mono);
  font-size: 10px;
}
@keyframes tag-in {
  0% {
    opacity: 0;
    transform: translateX(-10px) rotate(-8deg);
  }
  100% {
    opacity: 1;
    transform: rotate(-2deg);
  }
}
details.dialect {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--ink-3);
}
details.dialect summary {
  cursor: pointer;
}
details.dialect .sql-block {
  margin-top: 8px;
}

.scope p {
  margin: 0 0 8px;
}
.scope ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--ink-2);
}
.checks {
  list-style: none;
  margin: 0;
  padding: 0;
}
.checks li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  font-size: 14px;
}
.check-mark {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  padding-top: 3px;
}
.check-pass {
  color: var(--run);
}
.check-warn {
  color: var(--hold);
}
.check-fail {
  color: var(--stop);
}
.score {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}
.score b {
  font-family: var(--signage);
  font-weight: 800;
  font-size: 40px;
  line-height: 1;
}
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
}
.steps > li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}
.steps .step-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  font-size: 13.5px;
}
.steps .step-head b {
  font-family: var(--mono);
  font-weight: 700;
}
.steps .step-args {
  margin-top: 8px;
}
.steps pre {
  margin: 8px 0 0;
  padding: 8px 10px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11.5px;
  white-space: pre-wrap;
}

/* ------------------------------------------------------------------ 评测 */

.figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.figure-cell {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  padding: 14px 16px 12px;
  min-width: 0;
}
.figure-cell.is-key {
  background: var(--signal);
  border-color: var(--ink);
}
.figure-cell .value {
  display: block;
  font-family: var(--signage);
  font-weight: 800;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1;
  white-space: nowrap;
}
.figure-cell .value small {
  font-size: 0.4em;
  margin-left: 4px;
  letter-spacing: 0.02em;
}
.figure-cell .name {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  font-weight: 600;
}
.figure-cell .hint {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.5;
}
.figure-cell.is-key .hint {
  color: var(--ink-2);
}
.figure-cell.is-updated {
  box-shadow: 0 0 0 3px var(--run);
}
.eval-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
}
.bar-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}
.bar-track {
  flex: 1;
  height: 10px;
  min-width: 60px;
  background: var(--bg);
  border: 1px solid var(--line);
  position: relative;
}
.bar-track span {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--steel);
}
.bar-track span.declined {
  background: repeating-linear-gradient(-45deg, var(--hold) 0 3px, transparent 3px 6px);
}
.declined-list {
  list-style: none;
  margin: 0;
  padding: 0 14px;
  max-height: 420px;
  overflow: auto;
}
.declined-list li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}
.declined-list .qid {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 0 5px;
  margin-right: 8px;
  background: var(--ink);
  color: var(--signal);
}
.declined-list .why {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--ink-3);
}
.rerun {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 14px;
}
.ticker {
  font-size: 11.5px;
  color: var(--ink-3);
}
.ticker b {
  color: var(--ink);
}
.method {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.method h4 {
  margin: 0 0 4px;
  font-size: 13.5px;
  color: var(--ink);
}
.method p {
  margin: 0;
}

/* ------------------------------------------------------------------ 语义层 */

.explain-input {
  display: flex;
  gap: 10px;
  align-items: center;
  border: 2px solid var(--ink);
  padding: 6px 6px 6px 14px;
  background: var(--panel);
}
.explain-input input {
  flex: 1;
  border: 0;
  background: transparent;
  font-size: 18px;
  padding: 4px 0;
  outline: none;
  color: var(--ink);
  font-family: var(--sans);
}
.annotated {
  margin: 22px 0 8px;
  /* 内容是用户输入的任意文字，用系统字体加粗，避免子集字体缺字时同一行混用两种字形 */
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 2.2;
  word-break: break-all;
}
.annotated span {
  padding-bottom: 3px;
  border-bottom: 5px solid transparent;
}
.annotated .k-entity,
.annotated .k-count,
.annotated .k-name {
  border-color: var(--steel);
}
.annotated .k-metric {
  border-color: var(--signal);
}
.annotated .k-dimension,
.annotated .k-scoped,
.annotated .k-time_word {
  border-color: var(--run);
}
.annotated .k-filter,
.annotated .k-value {
  border-color: var(--stop);
}
.annotated .k-time,
.annotated .k-age,
.annotated .k-capital,
.annotated .k-top,
.annotated .k-count_n,
.annotated .k-order_attr {
  border-bottom-style: double;
  border-color: var(--ink);
}
.annotated .k-cue {
  border-bottom: 5px dotted var(--ink-3);
}
.annotated .k-stop {
  color: var(--ink-4);
}
.annotated .k-unexplained {
  color: var(--stop);
  text-decoration: line-through;
  text-decoration-thickness: 3px;
}
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12px;
  color: var(--ink-3);
}
.legend i {
  display: inline-block;
  width: 18px;
  height: 5px;
  margin-right: 6px;
  vertical-align: middle;
  background: var(--ink-4);
}
.legend .k-entity {
  background: var(--steel);
}
.legend .k-metric {
  background: var(--signal);
}
.legend .k-dimension {
  background: var(--run);
}
.legend .k-filter {
  background: var(--stop);
}
.legend .k-time {
  background: var(--ink);
}
.legend-bad {
  color: var(--stop);
}
.explain-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 14px;
  margin-top: 18px;
}
#explain-result {
  padding: 0 0 14px;
}
#explain-result > :not(.panel-head) {
  margin-left: 14px;
  margin-right: 14px;
}
.subhead {
  margin: 12px 0 8px;
  font-size: 14.5px;
  font-weight: 700;
}
.catalog {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}
.catalog > div {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--ink);
}
.catalog h3 {
  margin: 0;
  padding: 8px 12px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
}
.catalog h3 span {
  font-family: var(--signage);
  font-weight: 800;
  font-size: 18px;
  line-height: 1;
}
.catalog ul {
  list-style: none;
  margin: 0;
  padding: 4px 12px 8px;
  font-size: 13.5px;
  max-height: 360px;
  overflow: auto;
}
.catalog li {
  padding: 5px 0;
  border-bottom: 1px dashed var(--line);
}
.catalog li small {
  display: block;
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 1.5;
}
.rules {
  margin: 26px 0 0;
  padding: 16px 20px;
  list-style: none;
  counter-reset: rule;
  columns: 2;
  column-gap: 40px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 6px solid var(--signal);
}
.rules li {
  counter-increment: rule;
  break-inside: avoid;
  position: relative;
  padding: 0 0 12px 34px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.rules li::before {
  content: counter(rule, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  padding: 0 4px;
  background: var(--ink);
  color: var(--signal);
}

/* ------------------------------------------------------------------ 架构 */

.diagram {
  margin: 0;
}
.diagram-body {
  overflow-x: auto;
  padding: 18px 14px 6px;
  background-color: var(--panel);
  background-image: linear-gradient(var(--panel-2) 1px, transparent 1px), linear-gradient(90deg, var(--panel-2) 1px, transparent 1px);
  background-size: 24px 24px;
}
.diagram svg {
  display: block;
  width: 100%;
  min-width: 900px;
  height: auto;
}
.diagram figcaption {
  padding: 8px 14px 12px;
  font-size: 12px;
  color: var(--ink-3);
  border-top: 1px solid var(--line);
}
.wf-node rect {
  fill: var(--panel);
  stroke: var(--ink);
  stroke-width: 1.4;
}
.wf-node .bar {
  fill: var(--ink);
}
.wf-node text {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  fill: var(--ink);
  text-anchor: middle;
}
.wf-node .code {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 400;
  fill: var(--ink-3);
}
.wf-node.is-repair rect {
  stroke: var(--stop);
}
.wf-node.is-repair .bar {
  fill: var(--stop);
}
.wf-node.is-visited rect {
  fill: var(--ink);
}
.wf-node.is-visited .bar {
  fill: var(--signal);
}
.wf-node.is-visited text {
  fill: #f3f6f8;
}
.wf-node.is-visited .code {
  fill: #9aa6b2;
}
.wf-edge {
  fill: none;
  stroke: var(--ink-3);
  stroke-width: 1.4;
}
.wf-edge.conditional {
  stroke-dasharray: 6 4;
}
.wf-edge.loop {
  stroke: var(--stop);
}
.wf-edge.exit {
  stroke: var(--ink-4);
}
.wf-edge.is-visited {
  stroke: var(--ink);
  stroke-width: 2.6;
}
.wf-edge.loop.is-visited {
  stroke: var(--stop);
}
.wf-note {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--ink-3);
}
.wf-note-accent {
  fill: var(--stop);
}

.compare {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.compare th,
.compare td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.compare thead th {
  background: var(--ink);
  color: #f1f4f7;
  font-size: 12.5px;
  font-weight: 600;
}
.compare thead th:first-child {
  background: var(--signal);
}
.compare tbody th {
  font-weight: 700;
  width: 5em;
  background: var(--panel-2);
}
.decisions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: decision;
}
.decisions li {
  counter-increment: decision;
  position: relative;
  padding: 36px 16px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.decisions li::before {
  content: counter(decision, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  padding: 3px 9px;
  font-family: var(--signage);
  font-weight: 800;
  font-size: 18px;
  background: var(--signal);
  line-height: 1.1;
}
.decisions h3 {
  margin: 0 0 6px;
  font-family: var(--heavy);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.35;
}
.decisions p {
  margin: 0;
  color: var(--ink-2);
  font-size: 13.5px;
}
.stack {
  margin-top: 22px;
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 2;
}
.stack b {
  color: var(--ink);
  font-weight: 700;
}

/* ------------------------------------------------------------------ 页脚（图签） */

.colophon {
  background: var(--ink);
  color: #c9d1d9;
  padding: 24px 0 40px;
  border-top: 6px solid transparent;
  border-image: var(--stripe) 6;
}
.title-block {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid #2f3740;
}
.title-block > div {
  padding: 10px 14px;
  border-right: 1px solid #2f3740;
  display: grid;
  gap: 4px;
  font-size: 13px;
}
.title-block > div:last-child {
  border-right: 0;
}
.title-block .label {
  color: #7f8b97;
}
.title-block b {
  font-weight: 600;
  color: #eef2f5;
}

/* ------------------------------------------------------------------ 看板 */

.board-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  color: var(--ink-3);
}
.board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 520px), 1fr));
  gap: 16px;
}
.board:empty {
  display: none;
}
.board-empty {
  margin: 0;
  padding: 26px;
  border: 2px dashed var(--line-2);
  color: var(--ink-3);
  background: repeating-linear-gradient(-45deg, transparent 0 10px, rgba(255, 255, 255, 0.45) 10px 20px);
}
.board-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  min-width: 0;
  animation: rise 0.35s var(--ease) both;
}
.board-card header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
  display: grid;
  gap: 2px;
}
.board-card h3 {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.45;
}
.board-dataset {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.board-body {
  padding: 12px 14px 6px;
  min-width: 0;
}
.board-body .chart {
  margin: 0;
}
.board-sql {
  padding: 0 14px 10px;
}
.board-card footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  padding: 8px 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
}
.board-card footer .spacer {
  flex: 1;
}

/* ------------------------------------------------------------------ 动效 */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.reveal > * {
  animation: rise 0.6s var(--ease) both;
}
.reveal > *:nth-child(2) {
  animation-delay: 0.1s;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ------------------------------------------------------------------ 窄屏 */

@media (max-width: 1080px) {
  .catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .decisions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 880px) {
  .toc {
    display: none;
  }
  .engine-pill {
    margin-left: auto;
  }
  .hero-grid,
  .eval-grid,
  .explain-grid,
  .method,
  .decisions {
    grid-template-columns: minmax(0, 1fr);
  }
  .turn-head {
    grid-template-columns: auto minmax(0, 1fr);
  }
  .turn-meta {
    grid-column: 1 / -1;
    text-align: left;
  }
  .turn-body {
    grid-template-columns: minmax(0, 1fr);
  }
  .ledger {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .rules {
    columns: 1;
  }
  .title-block {
    grid-template-columns: minmax(0, 1fr);
  }
  .title-block > div {
    border-right: 0;
    border-bottom: 1px solid #2f3740;
  }
}

@media (max-width: 560px) {
  .figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .catalog {
    grid-template-columns: minmax(0, 1fr);
  }
  .dataset {
    flex-basis: 140px;
  }
  .schema {
    grid-template-columns: minmax(0, 1fr);
  }
  .sheet-head .spacer {
    display: none;
  }
  /* 图表按 760 宽的坐标系绘制，窄屏上缩到一半字就看不清：保留最小宽度，横向滚动查看 */
  .chart {
    overflow-x: auto;
  }
  .chart svg {
    min-width: 560px;
  }
  .repo,
  .wordmark span {
    display: none;
  }
  .masthead .wrap {
    gap: 12px;
  }
  .engine-pill {
    min-width: 0;
    flex: 0 1 auto;
  }
  #engine-label {
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .ask-form {
    grid-template-columns: minmax(0, 1fr);
  }
}