/* ============================================================
   地块画像 SPA · Claude-warm design system
   tokens are the single source of truth; no shadows; copper-only accent
   ============================================================ */

:root {
  --bg:            #eef3fb;
  --panel:         #f5f9ff;
  --card:          #ffffff;
  --border:        #e6eefb;
  --border-strong: #dde8fa;
  --text:          #1e2a38;
  --text-2:        #5b6b7d;
  --text-3:        #8a98a8;
  --copper:        #2f7dfb;
  --copper-deep:   #1b5fd6;
  --copper-soft:   #eef5ff;
  --copper-tint:   #d6e4f7;
  --warn:          #b8862f;

  --serif: "Charter", "Source Serif Pro", "Songti SC", "Noto Serif SC", Georgia, serif;
  --sans:  "Söhne", "Inter", "PingFang SC", "Helvetica Neue", system-ui, -apple-system, sans-serif;
  --mono:  "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;

  --r-sm: 4px;
  --r:    6px;
  --r-md: 8px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --t-fast: 180ms ease-out;
  --t-med:  260ms ease-out;
}

* { box-sizing: border-box; }
[x-cloak] { display: none !important; }

/* analysis: explicit back-to-home + live failure banner */
.back-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  margin-bottom: 22px;
  padding: 4px 10px 4px 4px;
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background var(--t-fast);
}
.back-home:hover { color: var(--copper-deep); background: var(--copper-soft); }
.back-home:focus-visible { outline: 1px solid var(--copper); }

.run-error {
  border: 1px solid #E2B7A6;
  background: #FBF1EC;
  border-radius: var(--r-md);
  padding: 20px 24px;
  margin-bottom: 28px;
}
.run-error__title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--copper-deep);
  margin-bottom: 8px;
}
.run-error__msg {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  word-break: break-word;
  font-family: var(--mono);
  background: rgba(0,0,0,.03);
  padding: 10px 12px;
  border-radius: var(--r);
  margin-bottom: 14px;
}
.run-error__retry {
  font-size: 13px;
  color: #FDFBF6;
  background: var(--copper);
  padding: 8px 14px;
  border-radius: var(--r);
  transition: background var(--t-fast);
}
.run-error__retry:hover { background: var(--copper-deep); }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "tnum" 1, "ss01" 1;
}

a { color: var(--copper); text-decoration: none; }
a:hover { color: var(--copper-deep); }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ====================== Layout shell ====================== */

.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 264px 1fr;
  grid-template-rows: 56px 1fr;
  grid-template-areas:
    "topbar topbar"
    "rail   main";
}

.topbar {
  grid-area: topbar;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar__brand {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.01em;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--r-sm);
  padding: 2px 6px;
  margin-left: -6px;
  transition: color var(--t-fast);
}
.topbar__brand:hover { color: var(--copper-deep); }
.topbar__brand:focus-visible { outline: 1px solid var(--copper); }

.topbar__brand .dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--copper);
  border-radius: 50%;
  margin: 0 10px 2px 0;
  vertical-align: middle;
}

.topbar__meta {
  color: var(--text-3);
  font-size: 13px;
  letter-spacing: 0.01em;
}
.topbar__meta b {
  color: var(--text-2);
  font-weight: 500;
}

.topbar__spacer { flex: 1; }

.topbar__action {
  font-size: 13px;
  color: var(--text-2);
  padding: 6px 10px;
  border-radius: var(--r-sm);
  transition: background var(--t-fast), color var(--t-fast);
}
.topbar__action:hover { background: var(--panel); color: var(--text); }

/* ====================== Left rail ====================== */

.rail {
  grid-area: rail;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 0 20px;
  min-height: calc(100vh - 56px);
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
}

.rail__section-title {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0 24px;
  margin-bottom: 14px;
}

.rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.rail__item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 24px 9px 22px;
  cursor: pointer;
  color: var(--text-2);
  font-size: 14px;
  transition: background var(--t-fast), color var(--t-fast);
  border-left: 2px solid transparent;
}
.rail__item:hover { background: rgba(201, 100, 66, 0.04); color: var(--text); }

.rail__item.is-locked {
  color: var(--text-3);
  cursor: default;
}
.rail__item.is-locked:hover { background: transparent; }

.rail__item.is-active {
  background: rgba(201, 100, 66, 0.06);
  color: var(--text);
  border-left-color: var(--copper);
}

.rail__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--text-3);
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}
.rail__item.is-active .rail__num { color: var(--copper); }

.rail__icon { flex-shrink: 0; width: 14px; height: 14px; display: inline-flex; }
.rail__label { flex: 1; }
.rail__elapsed {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.rail__footer {
  padding: 16px 24px 0;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}

.rail__progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.rail__progress-meta b { color: var(--text-2); font-weight: 500; }

.rail__progress {
  height: 1px;
  background: var(--border-strong);
  overflow: hidden;
  position: relative;
}
.rail__progress-bar {
  height: 100%;
  background: var(--copper);
  width: 0%;
  transition: width 420ms ease-out;
}

.rail__cta {
  margin-top: 18px;
  width: 100%;
  background: var(--copper);
  color: #FDFBF6;
  padding: 10px 14px;
  border-radius: var(--r);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  transition: background var(--t-fast), transform var(--t-fast);
}
.rail__cta:hover { background: var(--copper-deep); }
.rail__cta:active { transform: translateY(1px); }

.rail__cta.is-stop {
  background: #B5402A;
  color: #FDFBF6;
}
.rail__cta.is-stop:hover { background: #9A3622; }

.rail__cta.is-ghost {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-2);
}
.rail__cta.is-ghost:hover { background: var(--card); color: var(--text); }

/* ====================== Main area ====================== */

.main {
  grid-area: main;
  padding: 56px 64px 96px;
}

.main__inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* step header */

.step-header {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.step-header__eyebrow {
  font-family: var(--serif);
  font-style: italic;
  color: var(--copper);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.step-header__title {
  font-family: var(--serif);
  font-size: 34px;
  letter-spacing: -0.01em;
  font-weight: 500;
  margin: 6px 0 12px;
  color: var(--text);
}

.step-header__tag {
  color: var(--text-2);
  font-size: 15px;
  max-width: 640px;
}

.step-header__meta {
  margin-left: auto;
  text-align: right;
  color: var(--text-3);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  line-height: 1.6;
  flex-shrink: 0;
  align-self: flex-start;
  padding-top: 8px;
}
.step-header__meta b {
  color: var(--text-2);
  font-weight: 500;
  font-family: var(--mono);
  font-size: 13px;
}

/* cards */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 40px 44px;
  margin-bottom: 28px;
}

.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 22px;
}

.card__title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.005em;
  color: var(--text);
}

.card__hint {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.02em;
}

/* field table — sober, editorial */

.kv {
  display: grid;
  grid-template-columns: 132px 1fr auto;
  column-gap: 28px;
  row-gap: 0;
}

.kv__row {
  display: contents;
}
.kv__row > * {
  padding: 14px 0;
  border-top: 1px solid var(--border);
}
.kv__row:first-child > * { border-top: none; }

.kv__k {
  color: var(--text-3);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.kv__v {
  color: var(--text);
  font-size: 15px;
}
.kv__v.is-missing {
  color: var(--text-3);
  font-style: italic;
}

.kv__src {
  color: var(--text-3);
  font-size: 12px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* chips */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 9px;
  border: 1px solid var(--copper);
  background: var(--copper-soft);
  color: var(--copper-deep);
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.6;
}
.chip.is-muted {
  border-color: var(--border-strong);
  color: var(--text-3);
  background: transparent;
}
.chip.is-warn {
  border-color: var(--warn);
  color: var(--warn);
  background: #FBF6EA;
}

/* prose paragraph */

.prose p { color: var(--text-2); margin: 0 0 12px; }
.prose p:last-child { margin-bottom: 0; }

.dyn-list { margin: 0; padding: 0; list-style: none; }
.dyn-list li {
  padding: 16px 0;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 28px;
}
.dyn-list li:first-child { border-top: none; }
.dyn-list .dyn-list__k {
  color: var(--text-3);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.dyn-list .dyn-list__v {
  color: var(--text);
  font-size: 15px;
}

/* source list */

.source-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 20px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.source-row:first-child { border-top: none; }
.source-row__name { font-family: var(--mono); font-size: 13px; color: var(--text); }
.source-row__kind { color: var(--text-2); font-size: 13px; }
.source-row__count {
  color: var(--text-3);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

/* tenant groups (step2) — collapsible, vertical */

.tenant-group {
  border-top: 1px solid var(--border);
}
.tenant-group:first-of-type { border-top: none; }
.tenant-group__summary {
  display: grid;
  grid-template-columns: 14px auto auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
}
.tenant-group__summary::-webkit-details-marker { display: none; }
.tenant-group__arrow {
  color: var(--text-3);
  font-size: 11px;
  transition: transform 0.15s ease;
}
.tenant-group[open] .tenant-group__arrow { transform: rotate(90deg); }
.tenant-group__industry { color: var(--text-2); font-size: 13px; }
.tenant-group__count {
  color: var(--text-3);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.tenant-group__lead {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tenant-group[open] .tenant-group__lead { visibility: hidden; }
.tenant-group__list {
  margin: 0 0 12px 26px;
  padding: 0;
  list-style: none;
}
.tenant-group__list li {
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  border-top: 1px solid var(--border);
}

/* contacts table (step6) */

.contact-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.contact-table th {
  text-align: left;
  font-weight: 500;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 10px 16px 10px 0;
  border-bottom: 1px solid var(--border-strong);
}
.contact-table td {
  padding: 18px 16px 18px 0;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.contact-table tr:last-child td { border-bottom: none; }

.contact-table .enterprise {
  color: var(--text);
  font-weight: 500;
  letter-spacing: 0.005em;
}
.contact-table .channels {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--text-2);
  font-family: var(--mono);
  font-size: 13px;
}
.contact-table .channels small {
  font-family: var(--sans);
  color: var(--text-3);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  margin-left: 8px;
}

/* reasoning fold */

.reason {
  margin-top: 56px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.reason__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 8px 0;
  user-select: none;
  transition: color var(--t-fast);
}
.reason__head:hover .reason__title { color: var(--text); }
.reason__title {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--text-2);
  letter-spacing: 0.01em;
  font-weight: 500;
  transition: color var(--t-fast);
}
.reason__title em {
  font-style: italic;
  color: var(--text-3);
  font-family: var(--serif);
  margin: 0 8px;
}
.reason__chev {
  color: var(--text-3);
  transition: transform var(--t-med);
}
.reason.is-open .reason__chev { transform: rotate(180deg); }

.reason__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-med);
}
.reason.is-open .reason__body { grid-template-rows: 1fr; }
.reason__body-inner { overflow: hidden; }
.reason.is-open .reason__body-inner {
  padding-top: 20px;
  padding-bottom: 12px;
}

.reason__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: r;
}
.reason__list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  column-gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}
.reason__list li:first-child { border-top: none; }
.reason__list li::before {
  counter-increment: r;
  content: counter(r, decimal);
  font-family: var(--serif);
  font-style: italic;
  color: var(--copper);
  font-size: 14px;
  padding-top: 2px;
}
.reason__claim {
  font-family: var(--serif);
  font-style: italic;
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.55;
  margin-bottom: 6px;
}
.reason__evid {
  color: var(--text-3);
  font-size: 13px;
  padding-left: 16px;
  border-left: 1px solid var(--border);
}
.reason__evid::before {
  content: "↳ ";
  color: var(--text-3);
  font-family: var(--mono);
  margin-left: -16px;
  margin-right: 4px;
}

/* ====================== Modal / drawer ====================== */

.modal-veil {
  position: fixed; inset: 0;
  background: rgba(31, 30, 27, 0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med);
}
.modal-veil.is-open { opacity: 1; pointer-events: auto; }

.modal {
  width: 560px;
  max-width: calc(100vw - 48px);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 36px 40px 28px;
  transform: translateY(8px);
  opacity: 0;
  transition: transform var(--t-med), opacity var(--t-med);
}
.modal-veil.is-open .modal { transform: translateY(0); opacity: 1; }

.modal__eyebrow {
  font-family: var(--serif);
  font-style: italic;
  color: var(--copper);
  font-size: 13px;
}
.modal__title {
  font-family: var(--serif);
  font-size: 24px;
  margin: 4px 0 24px;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.field { margin-bottom: 18px; }
.field__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
}
.field__input {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--r);
  padding: 9px 12px;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.field__input:focus {
  outline: none;
  border-color: var(--copper);
  background: var(--copper-soft);
}

.dropzone {
  border: 1px dashed var(--border-strong);
  background: var(--panel);
  border-radius: var(--r);
  padding: 22px;
  text-align: center;
  color: var(--text-2);
  transition: background var(--t-fast), border-color var(--t-fast);
  cursor: pointer;
}
.dropzone:hover { background: var(--copper-soft); border-color: var(--copper); color: var(--copper-deep); }
.dropzone__hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }

/* dropzone with files: solid frame, left-aligned chip grid */
.dropzone.has-files {
  border-style: solid;
  border-color: var(--border);
  background: var(--card);
  padding: 14px;
  text-align: left;
  cursor: default;
}
.dropzone.has-files:hover {
  background: var(--card);
  border-color: var(--border-strong);
  color: var(--text-2);
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}

.upload-chip {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 26px 8px 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.upload-chip:hover { border-color: var(--border-strong); }

.upload-chip__thumb {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--copper-soft);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.upload-chip__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.upload-chip__ext {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--copper-deep);
}

.upload-chip__info { min-width: 0; flex: 1; }
.upload-chip__name {
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.upload-chip__size {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}

.upload-chip__del {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  line-height: 1;
  font-size: 14px;
  color: var(--text-3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast), color var(--t-fast);
}
.upload-chip__del:hover { background: #F6E3DB; color: var(--copper-deep); }

.upload-add {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--r);
  color: var(--text-3);
  font-size: 13px;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.upload-add:hover {
  border-color: var(--copper);
  color: var(--copper-deep);
  background: var(--copper-soft);
}

.segment {
  display: flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--card);
}
.segment__opt {
  flex: 1;
  padding: 9px 8px;
  font-size: 13px;
  color: var(--text-2);
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background var(--t-fast), color var(--t-fast);
}
.segment__opt:last-child { border-right: none; }
.segment__opt:hover { background: var(--copper-soft); color: var(--copper-deep); }
.segment__opt.is-active {
  background: var(--copper-tint);
  color: var(--copper-deep);
  font-weight: 500;
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.modal__note { font-size: 12px; color: var(--text-3); }
.modal__actions { display: flex; gap: 8px; }
.btn-ghost {
  padding: 9px 16px;
  font-size: 13.5px;
  color: var(--text-2);
  border-radius: var(--r);
  border: 1px solid transparent;
  transition: background var(--t-fast), color var(--t-fast);
}
.btn-ghost:hover { background: var(--panel); color: var(--text); }

.btn-primary {
  padding: 9px 18px;
  font-size: 13.5px;
  color: #FDFBF6;
  background: var(--copper);
  border-radius: var(--r);
  letter-spacing: 0.02em;
  transition: background var(--t-fast);
}
.btn-primary:hover { background: var(--copper-deep); }
.btn-primary[disabled] {
  background: var(--border-strong);
  color: var(--text-3);
  cursor: not-allowed;
}

/* ====================== Misc small ====================== */

.divider-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 36px 0 18px;
  color: var(--text-3);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.divider-label::before,
.divider-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ====================== Cover view ====================== */

/* In cover state, collapse the grid to a single column so the centered card
   doesn't sit awkwardly next to a phantom rail column. */
.app.is-cover {
  grid-template-columns: 1fr;
  grid-template-areas:
    "topbar"
    "cover";
}
.app.is-cover .topbar { border-bottom: none; background: transparent; }

.cover {
  grid-area: cover;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 88px 24px 120px;
  min-height: calc(100vh - 56px);
}

.cover__inner {
  width: 100%;
  max-width: 640px;
}

.cover__title {
  font-family: var(--serif);
  font-size: 44px;
  line-height: 1.18;
  letter-spacing: -0.015em;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 40px;
}

.cover-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 32px 36px 28px;
}

.cover-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.cover-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.cover-cta__main {
  flex: 1;
  padding: 12px 18px;
  font-size: 14px;
  letter-spacing: 0.04em;
}

.cover-cta__demo {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-3);
  border: 1px solid var(--border-strong);
}
.cover-cta__demo:hover { color: var(--copper-deep); border-color: var(--copper); background: var(--copper-soft); }

.cover-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-3);
  text-align: right;
  letter-spacing: 0.02em;
}

.cover-recent {
  margin-top: 56px;
}
.cover-recent__head {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}
.cover-recent__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.cover-recent__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  cursor: default;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.cover-recent__thumb {
  height: 62px;
  border-radius: 8px;
  overflow: hidden;
  background: repeating-linear-gradient(45deg, var(--copper-soft), var(--copper-soft) 6px, var(--border) 6px, var(--border) 12px);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 2px;
}
.cover-recent__thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.cover-recent__name {
  color: var(--text); font-family: var(--serif);
  font-size: 14px; font-weight: 600;
}
.cover-recent__meta {
  color: var(--text-2); font-size: 12px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cover-recent__time {
  color: var(--text-3); font-family: var(--mono);
  font-size: 11px; font-variant-numeric: tabular-nums;
}
.cover-recent__del {
  position: absolute; top: 8px; right: 8px;
  width: 22px; height: 22px; line-height: 1; font-size: 16px;
  color: var(--text-3); border-radius: 50%; opacity: 0;
  transition: opacity var(--t-fast), background var(--t-fast), color var(--t-fast);
}
.cover-recent__item { position: relative; }
.cover-recent__item:hover .cover-recent__del { opacity: 1; }
.cover-recent__del:focus-visible { opacity: 1; outline: 1px solid var(--copper); }
.cover-recent__item.is-link { cursor: pointer; }
.cover-recent__item.is-link:hover {
  border-color: var(--copper);
  box-shadow: 0 6px 16px rgba(30,42,56,.08);
}
.cover-recent__item.is-link:hover .cover-recent__name { color: var(--copper-deep); }

.topbar__action--accent {
  color: var(--copper);
  font-weight: 500;
}
.topbar__action--accent:hover {
  background: var(--copper-soft);
  color: var(--copper-deep);
}

@media (max-width: 720px) {
  .cover { padding: 56px 16px 80px; }
  .cover__title { font-size: 34px; }
  .cover-card { padding: 24px 22px 22px; }
  .cover-grid { grid-template-columns: 1fr; gap: 0; }
}

/* status icon spin */
@keyframes spin { to { transform: rotate(360deg); } }
.icn-spin { animation: spin 1.2s linear infinite; transform-origin: center; }

/* small responsiveness */
@media (max-width: 1080px) {
  .main { padding: 40px 32px 80px; }
  .card { padding: 32px; }
}
@media (max-width: 880px) {
  .app { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
  .rail { display: none; }
}

/* —— 落地页 Hero（仅 cover view 用） —— */
.hero { max-width: 880px; margin: 0 auto; padding-top: 9vh; text-align: center; }
.hero__title {
  font-family: var(--serif); font-size: 40px; font-weight: 600;
  color: var(--text); letter-spacing: -0.01em; margin: 0 0 36px;
}
.hero__star { color: var(--copper); margin-right: 8px; }
.promptbox {
  text-align: left; background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 14px 16px 10px; box-shadow: 0 6px 30px rgba(0,0,0,.05);
  transition: border-color var(--t-fast);
}
.promptbox:focus-within { border-color: var(--copper); }
.promptbox__chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; }
.promptbox__text {
  width: 100%; border: 0; outline: 0; resize: none; background: transparent;
  font-family: inherit; font-size: 16px; line-height: 1.6; color: var(--text);
  min-height: 64px;
}
.promptbox__text::placeholder { color: var(--text-3); }
.promptbox__foot { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; }
.promptbox__attach {
  width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text-2); font-size: 20px; line-height: 1; cursor: pointer;
}
.promptbox__attach:hover { border-color: var(--copper); color: var(--copper); }
.promptbox__go {
  padding: 9px 20px; border-radius: 12px; border: 0; cursor: pointer;
  background: var(--copper); color: #fff; font-family: var(--serif); font-size: 15px; font-weight: 600;
}
.promptbox__go:disabled { opacity: .45; cursor: not-allowed; }
.cover-demolink {
  display: inline-block; margin: 16px auto 0; background: none; border: 0; cursor: pointer;
  color: var(--text-3); font-size: 14px; text-decoration: underline; text-underline-offset: 3px;
}
.cover-demolink:hover { color: var(--copper); }
.cover-recent { max-width: 880px; margin: 48px auto 0; text-align: left; }

/* ============================================================
   雾蓝石板换肤 —— 仅作用于外壳态(封面 + 知识库 + 外壳态顶栏)
   分析视图(.app:not(.is-cover))不受影响,继续用 :root 铜色
   ============================================================ */
.app.is-cover {
  --bg:            #eef3fb;
  --panel:         #f5f9ff;
  --card:          #ffffff;
  --border:        #e6eefb;
  --border-strong: #e4ecf8;
  --text:          #1e2a38;
  --text-2:        #46556a;
  --text-3:        #8a98a8;
  --copper:        #2f7dfb;   /* accent(名沿用,值改蓝) */
  --copper-deep:   #2566d8;
  --copper-soft:   #f5f9ff;
  --copper-tint:   #dbe7fb;
  --serif: "Noto Serif SC", "Songti SC", Georgia, serif;
}

/* 大圆角:贴 1a 的软圆角卡片质感(仅外壳态容器) */
.app.is-cover .cover-card { border-radius: 16px; }
.app.is-cover .promptbox  { border-radius: 18px; }

/* 定点修补:这两处 del-hover 背景写死了暖色,不走 token,需在外壳态覆盖成浅蓝 */
.app.is-cover .cover-recent__del:hover,
.app.is-cover .upload-chip__del:hover { background: #e6eefb; }

/* 蓝钻图标:hero 标题 + 外壳态顶栏品牌 */
.app.is-cover .hero__star {
  display: inline-block; width: 14px; height: 14px;
  vertical-align: middle; margin-right: 12px;
  background: var(--copper); transform: rotate(45deg);
  border-radius: 2px; color: transparent;
}
.app.is-cover .topbar__brand .dot {
  transform: rotate(45deg); border-radius: 2px;
}

/* ============================================================
   1a 像素级贴合:灰底页 + 蓝色圆角面板 / 标题 / 输入框 / 最近项目
   ============================================================ */
/* 整页背景=#fdfdfc(无面板),盖住 body 米白 + 透明顶栏露出的米白 */
.app.is-cover { background: #fdfdfc; }
.app.is-cover .cover { background: transparent; padding: 40px 40px 80px; }
/* hero 仅作居中容器,宽度对齐 1a 的 1120,不再画面板 */
.app.is-cover .hero {
  width: 100%;
  max-width: 1120px;
  padding: 0;
}
/* 顶栏左上「地块画像」品牌去掉(封面态) */
.app.is-cover .topbar__brand { display: none; }
/* 标题:贴 1a 的 30px / 700 */
.app.is-cover .hero__title { font-size: 30px; font-weight: 700; margin: 8px 0 26px; }

/* 输入框页脚:左=带文字的描边「上传地块图片」,右=实心「生成企业清单」 */
.app.is-cover .promptbox { box-shadow: 0 2px 10px rgba(30,42,56,.04); border-color: var(--copper); }
.app.is-cover .promptbox__attach {
  width: 38px; height: 38px; padding: 0; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--card);
}
.app.is-cover .promptbox__attach:hover { background: #eef5ff; border-color: var(--copper); color: var(--copper); }
.app.is-cover .promptbox__attach-plus { color: var(--copper); font-size: 17px; line-height: 1; }
.app.is-cover .promptbox__go {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: 10px; border: 0;
  font-family: var(--sans); font-size: 13px; font-weight: 500;
}

/* 「最近的项目」标题:1a 的加粗深色(非灰色大写) */
.app.is-cover .cover-recent { margin-top: 26px; max-width: none; }
.app.is-cover .cover-recent__head {
  font-size: 13px; letter-spacing: 0; text-transform: none;
  font-weight: 600; color: var(--text-2);
}

/* ===== 冷蓝信息卡 + 横向标签栏(参考 mockup 顶部两栏) ===== */
.plotcard{display:flex;gap:22px;align-items:stretch;background:#fff;border:1px solid #e6eefb;border-radius:16px;padding:18px;box-shadow:0 2px 10px rgba(30,42,56,.04);margin-top:8px}
.plotcard__thumb{width:150px;flex-shrink:0;border-radius:11px;background:repeating-linear-gradient(45deg,#eef5ff,#eef5ff 7px,#dde8fa 7px,#dde8fa 14px);display:flex;align-items:center;justify-content:center}
.plotcard__thumb span{font-family:var(--mono);font-size:11px;color:#5b6b7d;background:#fff;padding:3px 8px;border-radius:5px}
.plotcard__thumb img{width:100%;height:100%;object-fit:cover;border-radius:11px;display:block}
.plotcard__body{flex:1;display:flex;flex-direction:column;justify-content:center;gap:8px}
.plotcard__name{font-family:var(--serif);font-weight:700;font-size:25px;color:#1e2a38}
.plotcard__tag{padding:3px 11px;background:#eef5ff;color:#2f7dfb;font-size:12.5px;font-weight:500;border-radius:20px;margin-left:12px}
.plotcard__addr{font-size:13px;color:#5b6b7d}
.plotcard__meta{display:flex;gap:18px;font-size:12px;color:#8a98a8;flex-wrap:wrap}
.plotcard__status{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;gap:6px;padding-left:18px;border-left:1px solid #eef3fb}
.plotcard__status-dot{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:#1f8a5b}
.plotcard__status-dot span:first-child{width:8px;height:8px;border-radius:50%;background:#1f8a5b;flex-shrink:0}
.plotcard__status-sub{font-size:12px;color:#8a98a8}
.plotcard__stop{margin-top:2px;font-size:12px;color:#c0392b;background:#fdf0ee;border:1px solid #f3d6d0;border-radius:7px;padding:5px 12px;cursor:pointer;font-weight:500;transition:background .15s}
.plotcard__stop:hover{background:#f9e2dd}

.steptabs{display:flex;gap:4px;margin-top:14px;background:#fff;border:1px solid #e6eefb;border-radius:14px;padding:6px;position:sticky;top:8px;z-index:5}
.steptabs__item{flex:1;padding:9px 6px 6px;border-radius:9px;cursor:pointer;text-align:center;background:transparent;border:none}
.steptabs__item:hover{background:#f5f9ff}
.steptabs__item.is-active{background:#eef5ff}
.steptabs__item.is-locked{opacity:.45;cursor:not-allowed}
.steptabs__row{display:flex;align-items:center;justify-content:center;gap:7px}
.steptabs__num{width:18px;height:18px;border-radius:50%;background:#eef5ff;color:#2f7dfb;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:600}
.steptabs__diamond{width:9px;height:9px;background:#2f7dfb;transform:rotate(45deg);border-radius:1px}
.steptabs__label{font-size:13px;font-weight:600;color:#7a8798}
.steptabs__item.is-active .steptabs__label{color:#1e2a38}
.steptabs__bar{height:2px;margin-top:7px;border-radius:2px;background:transparent}
.steptabs__item.is-active .steptabs__bar{background:#2f7dfb}

/* step3 可编辑字段全表输入框(编辑态闸门) */
input.fx{font-family:var(--sans);}
input.fx:focus{outline:none;border-color:#2f7dfb !important;background:#fff !important;}

/* ===== 通用 step 样式套件 ===== */
.stp-head{display:flex;align-items:flex-end;justify-content:space-between;margin:24px 2px 16px}
.stp-head__kicker{font-size:12px;letter-spacing:.08em;color:#2f7dfb;font-weight:600;margin-bottom:5px}
.stp-head__title{font-family:var(--serif);font-weight:700;font-size:21px;color:#1e2a38}
.stp-head__status{display:flex;align-items:center;gap:7px;font-size:12.5px;color:#1f8a5b}
.stp-head__status span.dot{width:7px;height:7px;border-radius:50%;background:#1f8a5b}
.stp-card{background:#fff;border:1px solid #e6eefb;border-radius:16px;padding:20px 22px;box-shadow:0 2px 10px rgba(30,42,56,.04)}
.stp-card + .stp-card{margin-top:18px}
.stp-card__title{font-family:var(--serif);font-weight:700;font-size:16px;color:#1e2a38;margin-bottom:12px}
.stp-card__sub{font-size:12px;color:#9aa7b6}
.stp-table{width:100%}
.stp-table .row{display:flex;gap:18px;align-items:flex-start;padding:14px 8px;border-bottom:1px solid #f2f6fb}
.stp-table .row.head{align-items:center}
.stp-ev{margin-top:6px;display:flex;flex-direction:column;gap:4px}
.stp-ev__item{font-size:12.5px;line-height:1.55}
.stp-ev__link{color:#C96442;text-decoration:none;border-bottom:1px solid #e7c8bd}
.stp-ev__link:hover{border-bottom-color:#C96442}
.stp-ev__q{color:#8a98a8;margin-left:6px}
.stp-table .row:last-child{border-bottom:none}
.stp-table .row.head{padding:0 8px 10px;font-size:11.5px;color:#9aa7b6;border-bottom:1px solid #eef3fb}
.stp-table .c-key{width:200px;flex-shrink:0;font-size:12.5px;color:#8a98a8}
.stp-table .c-val{flex:1;min-width:120px;font-size:13px;font-weight:600;color:#1e2a38}
.stp-table .c-src{width:120px;flex-shrink:0}
.stp-table .c-file{width:130px;flex-shrink:0;font-size:11px;color:#9aa7b6}
.stp-bar{display:flex;align-items:center;gap:12px}
.stp-bar__label{font-size:13px;flex-shrink:0}
.stp-bar__track{flex:1;height:9px;background:#eef3fb;border-radius:5px;overflow:hidden}
.stp-bar__fill{height:100%;background:#2f7dfb;border-radius:5px}
.stp-bar__val{width:30px;text-align:right;font-size:12.5px;color:#5b6b7d}
.stp-funnel{display:flex;align-items:flex-end;gap:8px;margin:16px 0 10px}
.stp-funnel__col{flex:1}
.stp-funnel__col .n{font-family:var(--serif);font-size:22px;font-weight:700;color:#1e2a38}
.stp-funnel__col .l{font-size:11.5px;color:#8a98a8;margin:3px 0 6px}
.stp-funnel__arrow{color:#c3ccd8;padding-bottom:24px}
.stp-chip{display:inline-block;padding:2px 8px;background:#eef5ff;color:#2f7dfb;font-size:11px;border-radius:5px;margin:2px 5px 2px 0}
.stp-chip--src{padding:2px 8px;border-radius:5px;font-size:11px;white-space:nowrap}
.stp-chip--ok{background:#eaf5ef;color:#1f8a5b}
.stp-chip--warn{background:#fbf4e6;color:#b8862f}
.stp-chip--muted{background:#f0f2f5;color:#7a8798}
.stp-chip--miss{background:#fafbfd;border:1px dashed #d8e0ec;color:#aab4c1}
.stp-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.stp-grid3 .cell{background:#fff;border:1px solid #e6eefb;border-radius:14px;padding:16px 18px}
.stp-grid3 .cell .t{font-size:12.5px;font-weight:600;color:#2f3e50;margin-bottom:5px}
.stp-grid3 .cell .d{font-size:11.5px;color:#5b6b7d;line-height:1.6}
.stp-row2{display:flex;gap:22px;align-items:flex-start}
.stp-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:18px}
.stp-side{width:288px;flex-shrink:0;display:flex;flex-direction:column;gap:18px}
.stp-stat{flex:1;background:#fff;border:1px solid #e6eefb;border-radius:14px;padding:16px;text-align:center}
.stp-stat__num{font-family:var(--serif);font-size:26px;font-weight:700;color:#1e2a38}
.stp-stat__num.accent{color:#2f7dfb}
.stp-stat__label{font-size:12px;color:#8a98a8;margin-top:3px}
.stp-note{padding:10px 12px;background:#fdfaf2;border:1px solid #f0e3c4;border-radius:10px;font-size:11.5px;color:#a9772a;line-height:1.6}