/* 代号速查表：沿用 EML Lab 首页的纸色背景、深绿主色和衬线标题。 */
:root {
  --paper: #f5f2e9; --surface: #fffdf8; --ink: #12211d; --muted: #61706a; --line: #d7d8cf;
  --green: #176b5b; --green-2: #0e4b40; --soft: #dcebe4;
  --done: #1f7a5c; --failed: #b4412f; --invalid: #7d2a2a; --superseded: #8a8f8b;
  --planned: #5b4b9a; --progress: #b7791f; --unknown: #a3aaa6;
  --display: Georgia, "Songti SC", "STSong", serif;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.7 var(--sans); }
a { color: var(--green); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 40px); }

.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.wordmark { font-weight: 700; letter-spacing: -.03em; text-decoration: none; color: var(--ink); }
.wordmark span { display: inline-grid; place-items: center; width: 32px; height: 32px; margin-right: 7px; border-radius: 50%; background: var(--green); color: #fff; font-size: 11px; }
.top nav { display: flex; gap: 20px; font-size: 14px; margin-right: 120px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--green); text-decoration: underline; }

.hero { padding: clamp(36px, 6vw, 70px) 0 28px; }
.kicker { margin: 0 0 10px; color: var(--green); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
h1 { margin: 0; font: clamp(36px, 5vw, 62px)/1.05 var(--display); letter-spacing: -.045em; }
.lede { max-width: 780px; margin: 18px 0 0; font-size: clamp(16px, 1.5vw, 19px); color: #33433e; }
.stats { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 20px; color: var(--muted); font-size: 14px; }
.stats b { color: var(--ink); font: 26px/1 var(--display); margin-right: 4px; }
.caveat { margin-top: 22px; padding: 12px 16px; border-left: 4px solid var(--progress); border-radius: 0 10px 10px 0; background: #fbf3e2; color: #5f4310; font-size: 15px; max-width: 900px; }

section.block { padding: 34px 0 10px; }
h2 { margin: 0 0 6px; font: clamp(26px, 3vw, 38px)/1.1 var(--display); letter-spacing: -.035em; }
.block-lede { margin: 0 0 18px; color: var(--muted); font-size: 15px; max-width: 820px; }

/* 1. 大阶段流程 */
.flow { display: flex; flex-wrap: wrap; align-items: stretch; gap: 8px 6px; }
.flow-stage { display: grid; gap: 1px; min-width: 128px; max-width: 190px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: inherit; text-decoration: none; transition: border-color .15s, transform .15s; }
.flow-stage:hover { border-color: var(--green); transform: translateY(-2px); }
.flow-id { font: 700 18px/1 var(--sans); color: var(--green); }
.flow-name { font-weight: 700; font-size: 14.5px; line-height: 1.35; }
.flow-meta { font-size: 12px; color: var(--muted); }
.flow-count { justify-self: start; margin-top: 4px; padding: 1px 8px; border-radius: 999px; background: var(--soft); color: var(--green-2); font-size: 12px; font-weight: 700; }
.flow-arrow { align-self: center; color: #a7b0ab; font-size: 18px; }

/* 2. 阶段卡片 + 地铁线 */
.stage-card { margin: 0 0 18px; padding: 20px clamp(16px, 2.4vw, 26px); border: 1px solid var(--line); border-radius: 16px; background: var(--surface); scroll-margin-top: 20px; }
.stage-head { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: start; }
.stage-id { display: inline-grid; place-items: center; min-width: 52px; height: 52px; padding: 0 8px; border-radius: 12px; background: var(--green); color: #fff; font: 700 26px/1 var(--sans); }
.stage-head h3 { margin: 0; font: 24px/1.2 var(--display); letter-spacing: -.02em; }
.stage-dates { margin: 3px 0 0; color: var(--muted); font-size: 13.5px; }
.stage-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; margin: 16px 0 12px; }
.stage-facts dt { font-size: 12px; font-weight: 700; color: var(--green); letter-spacing: .06em; }
.stage-facts dd { margin: 2px 0 0; font-size: 15.5px; }
.status-bar { display: flex; height: 6px; border-radius: 999px; overflow: hidden; background: #eee; margin-bottom: 6px; }
.sb { display: block; }
.route { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); }
.route-name { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; margin: 0; font-size: 15.5px; }
.route-name span { color: var(--muted); font-size: 13px; }
.route-note { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.metro { display: flex; flex-wrap: wrap; align-items: flex-start; row-gap: 14px; margin-top: 12px; }
.metro-line { flex: 0 0 22px; height: 3px; margin-top: 9px; background: #b9c9c2; border-radius: 2px; }
.station { display: grid; justify-items: center; gap: 2px; max-width: 128px; padding: 0 2px; border: 0; background: none; color: inherit; font: inherit; cursor: pointer; text-align: center; }
.station:disabled { cursor: default; opacity: .6; }
.station-dot { width: 21px; height: 21px; border-radius: 50%; border: 4px solid currentColor; background: #fff; color: var(--st, var(--unknown)); transition: transform .15s; }
.station:hover .station-dot { transform: scale(1.18); }
.station-code { font: 700 13px/1.2 var(--mono); color: var(--ink); }
.station-term { font-size: 11.5px; line-height: 1.3; color: var(--muted); }

/* 状态颜色（地铁站、状态条、徽章共用） */
.st-done { --st: var(--done); } .st-failed { --st: var(--failed); } .st-invalid { --st: var(--invalid); }
.st-superseded { --st: var(--superseded); } .st-planned { --st: var(--planned); } .st-in_progress { --st: var(--progress); }
.st-unknown { --st: var(--unknown); }
.sb.st-done, .sb.st-failed, .sb.st-invalid, .sb.st-superseded, .sb.st-planned, .sb.st-in_progress, .sb.st-unknown { background: var(--st); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0 0 16px; font-size: 13px; color: var(--muted); }
.legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 6px; border-radius: 50%; border: 3px solid var(--st); vertical-align: -1px; background: #fff; }

/* 3. 代号表 */
.toolbar { position: sticky; top: 0; z-index: 10; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 12px 0; background: var(--paper); border-bottom: 1px solid var(--line); }
.g-search { position: relative; flex: 1 1 320px; }
.g-search input { width: 100%; padding: 11px 40px 11px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font: inherit; font-size: 15px; color: var(--ink); }
.g-search input:focus { outline: 2px solid var(--green); outline-offset: 1px; }
.g-search button { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); display: none; width: 28px; height: 28px; border: 0; border-radius: 50%; background: #e9e7dd; color: var(--muted); cursor: pointer; }
.g-search.has-value button { display: block; }
.toolbar select { padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font: inherit; font-size: 14px; color: var(--ink); max-width: 260px; }
.showing { margin-left: auto; color: var(--muted); font-size: 13px; }
.g-group { display: flex; align-items: baseline; gap: 10px; margin: 26px 0 0; padding-bottom: 8px; border-bottom: 2px solid var(--ink); font: 21px/1.2 var(--display); }
.g-group span { font: 700 20px/1 var(--sans); color: var(--green); }
.g-group small { margin-left: auto; font: 13px var(--sans); color: var(--muted); }
.g-rows { list-style: none; margin: 0; padding: 0; }
.g-row { border-bottom: 1px solid var(--line); scroll-margin-top: 120px; }
.g-row.is-flash { animation: flash 1.6s ease; }
@keyframes flash { 0%, 40% { background: #fdf3c9; } 100% { background: transparent; } }
.g-line { display: grid; grid-template-columns: minmax(84px, 120px) minmax(70px, 110px) minmax(140px, 1.1fr) minmax(0, 2fr) auto; gap: 14px; align-items: baseline; width: 100%; padding: 12px 6px; border: 0; background: none; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.g-line:hover { background: var(--surface); }
.g-code { font: 700 15px/1.3 var(--mono); color: var(--green-2); word-break: break-word; }
.g-round { display: inline-block; padding: 0 8px; border-radius: 6px; background: #ecebe3; color: #4d5a55; font-size: 12px; font-weight: 600; white-space: nowrap; }
.g-term { font-weight: 650; font-size: 15.5px; line-height: 1.4; }
.g-result { color: var(--muted); font-size: 14px; line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.g-row.is-open .g-result { visibility: hidden; }
.badge { padding: 1px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; color: #fff; background: var(--st); }
.g-row.is-dim .g-code, .g-row.is-dim .g-term { color: #7f8783; }
.g-row.is-dim .g-term { text-decoration: line-through; text-decoration-color: rgba(0,0,0,.25); }
.g-detail { display: none; padding: 2px 6px 18px clamp(6px, 10vw, 140px); }
.g-row.is-open .g-detail { display: block; }
.g-detail dl { display: grid; gap: 10px; margin: 0; max-width: 880px; }
.g-detail dt { font-size: 12px; font-weight: 700; color: var(--green); letter-spacing: .05em; }
.g-detail dd { margin: 1px 0 0; font-size: 15.5px; }
.g-detail .is-warn { padding: 8px 12px; border-radius: 8px; background: #fbeee4; }
.g-detail .is-warn dt { color: #94491f; }
.g-meta { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 12px 0 0; font-size: 13px; color: var(--muted); }
.g-meta b { color: var(--ink); font-weight: 600; }
.conf-low b { color: var(--failed); }
.g-links { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 10px 0 0; font-size: 13px; color: var(--muted); }
.g-links > span { margin-left: 6px; }
.g-links > span:first-child { margin-left: 0; }
.code-chip { padding: 1px 9px; border: 1px solid #acd3c2; border-radius: 999px; background: #eef7f2; color: var(--green-2); font: 600 12.5px/1.6 var(--mono); cursor: pointer; }
.code-chip:hover { background: var(--green); border-color: var(--green); color: #fff; }
.code-chip.is-plain { cursor: default; background: #f1f0ea; border-color: var(--line); color: var(--muted); }
.g-sources { margin-top: 10px; font-size: 13px; color: var(--muted); }
.g-sources summary { cursor: pointer; font-weight: 600; }
.g-sources ul { margin: 6px 0 0; padding-left: 18px; }
.g-sources code { font: 12px/1.5 var(--mono); word-break: break-all; }
.g-empty { padding: 26px 0; color: var(--muted); }
.link-btn { border: 0; background: none; color: var(--green); font: inherit; font-size: 13.5px; font-weight: 700; cursor: pointer; white-space: nowrap; }
.link-btn:hover { text-decoration: underline; }

/* 4. 撞号 */
.collisions { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.collision { padding: 16px 18px; border: 1px solid var(--line); border-left: 5px solid var(--progress); border-radius: 12px; background: var(--surface); }
.collision h3 { margin: 0 0 8px; font: 700 19px/1.2 var(--mono); }
.collision ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.collision li { font-size: 14.5px; }
.collision .g-round { margin-right: 8px; }

footer.foot { margin-top: 50px; padding: 24px 0 110px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px; }
footer.foot code { font-family: var(--mono); font-size: 12.5px; }

@media (max-width: 820px) {
  body { font-size: 16px; }
  .top nav { display: none; }
  .stage-head { grid-template-columns: auto 1fr; }
  .stage-head .link-btn { grid-column: 1 / -1; justify-self: start; }
  .stage-facts { grid-template-columns: 1fr; }
  .toolbar { position: static; }
  .toolbar select { flex: 1 1 140px; }
  .showing { margin-left: 0; width: 100%; }
  .g-line { grid-template-columns: 1fr auto; gap: 4px 10px; }
  .g-code { grid-column: 1; }
  .badge { grid-column: 2; grid-row: 1; justify-self: end; }
  .g-round { grid-column: 1 / -1; justify-self: start; }
  .g-term, .g-result { grid-column: 1 / -1; }
  .g-row.is-open .g-result { display: none; }
  .g-detail { padding-left: 6px; }
  .flow-stage { min-width: calc(50% - 20px); max-width: none; }
  .flow-arrow { display: none; }
}
@media print { .toolbar, .top nav { display: none; } .g-detail { display: block !important; } }