:root, [data-theme="dark"] {
  color-scheme: dark;
  --bg0: #070b12;
  --bg1: #0d1522;
  --bg-end: #0a101a;
  --panel: rgba(14, 22, 36, 0.88);
  --panel-solid: #101a2b;
  --line: rgba(94, 234, 212, 0.18);
  --line-strong: rgba(94, 234, 212, 0.35);
  --ink: #e8f2ff;
  --muted: #8ea0b8;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --warn: #fbbf24;
  --danger: #fb7185;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --header-bg: rgba(7, 11, 18, 0.82);
  --input-bg: rgba(8, 14, 24, 0.92);
  --input-bg-soft: #0a1320;
  --surface: rgba(16, 26, 43, 0.7);
  --surface-soft: rgba(255, 255, 255, 0.03);
  --picker-bg: #0c1524;
  --modal-bg: #0f1724;
  --figure-bg: #071018;
  --grid-line: rgba(148, 163, 184, 0.06);
  --glow-a: rgba(45, 212, 191, 0.16);
  --glow-b: rgba(56, 189, 248, 0.12);
  --mask-drawer: rgba(2, 6, 12, 0.55);
  --font: "IBM Plex Sans", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --display: "Space Grotesk", "IBM Plex Sans", sans-serif;
  --radius: 16px;
}

[data-theme="light"] {
  color-scheme: light;
  --bg0: #f3f6fa;
  --bg1: #e9eef5;
  --bg-end: #e4ebf3;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-solid: #ffffff;
  --line: rgba(20, 48, 72, 0.12);
  --line-strong: rgba(13, 148, 136, 0.4);
  --ink: #142033;
  --muted: #5a6b7e;
  --accent: #0f9d8a;
  --accent-2: #0284c7;
  --warn: #d97706;
  --danger: #e11d48;
  --shadow: 0 14px 36px rgba(20, 48, 72, 0.1);
  --header-bg: rgba(255, 255, 255, 0.88);
  --input-bg: #ffffff;
  --input-bg-soft: #f7fafc;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-soft: rgba(20, 48, 72, 0.04);
  --picker-bg: #ffffff;
  --modal-bg: #ffffff;
  --figure-bg: #eef3f8;
  --grid-line: rgba(20, 48, 72, 0.06);
  --glow-a: rgba(15, 157, 138, 0.1);
  --glow-b: rgba(2, 132, 199, 0.08);
  --mask-drawer: rgba(15, 30, 50, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  color: var(--ink);
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, var(--glow-a), transparent 55%),
              radial-gradient(900px 500px at 90% 0%, var(--glow-b), transparent 50%),
              linear-gradient(180deg, var(--bg0), var(--bg1) 40%, var(--bg-end));
  transition: background 0.25s ease, color 0.2s ease;
}
a { color: var(--accent); text-decoration: none; }
.wrap { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }

.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black, transparent 85%);
}
.site-header, main, .site-footer { position: relative; z-index: 1; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
  position: relative;
  flex-wrap: wrap;
}
.brand { display: inline-flex; align-items: center; gap: 0.65rem; color: var(--ink); min-width: 0; }
.brand-mark {
  width: 2rem; height: 2rem; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #041016; font-family: var(--display); font-weight: 700; font-size: 0.78rem;
  flex: 0 0 auto;
}
.brand-text {
  display: flex; flex-direction: column; gap: 0.05rem; line-height: 1.15;
  font-family: var(--display); font-weight: 600; letter-spacing: 0.02em;
  min-width: 0;
}
.brand-cn { font-size: 0.98rem; }
.brand-en { font-size: 0.68rem; font-weight: 500; color: var(--muted); letter-spacing: 0.06em; }
.site-footer .footer-sep { margin: 0 0.15rem; opacity: 0.7; }
.header-tools {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
  flex: 0 0 auto;
}
.site-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}
.site-nav a { color: var(--muted); }
.site-nav a:hover { color: var(--ink); }
.site-nav .nav-mode {
  color: var(--accent);
  font-size: 0.85rem;
  border: 1px solid var(--line);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.site-nav button.linkish,
.nav-logout-form button.linkish {
  background: none; border: none; color: var(--muted); cursor: pointer; font: inherit; padding: 0;
}
.site-nav button.linkish:hover,
.nav-logout-form button.linkish:hover { color: var(--ink); }
.nav-logout-form { display: inline; margin: 0; }
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
}
.nav-toggle:hover { transform: none; border-color: var(--line-strong); }
.nav-toggle-bars {
  width: 1rem;
  height: 0.75rem;
  position: relative;
  display: inline-block;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after,
.nav-toggle-bars {
  background: currentColor;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}
.nav-toggle-bars {
  background: linear-gradient(currentColor, currentColor) center / 100% 2px no-repeat;
}
.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars::after { bottom: 0; }
body.nav-open .nav-toggle-bars {
  background: none;
}
body.nav-open .nav-toggle-bars::before {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}
body.nav-open .nav-toggle-bars::after {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}
.nav-scrim {
  display: none;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0 1.25rem;
}
.stat-chip {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  background: var(--surface);
}
.stat-chip span { display: block; color: var(--muted); font-size: 0.82rem; }
.stat-chip strong { font-size: 1.15rem; }
.muted { color: var(--muted); }
.site-footer { padding: 2rem 0 3rem; color: var(--muted); font-size: 0.85rem; }

.hero-tech { padding: 2.4rem 0 1rem; }
.eyebrow {
  margin: 0 0 0.55rem; color: var(--accent);
  letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.78rem;
}
.hero-tech h1, .panel h1, .panel h2, .drawer-head h2 {
  font-family: var(--display); margin: 0 0 0.55rem; letter-spacing: 0.02em;
}
.hero-tech h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.lead { color: var(--muted); max-width: 40rem; line-height: 1.65; }

.panel, .panel-tech {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem 1.4rem;
  margin: 1rem 0 1.4rem;
  backdrop-filter: blur(10px);
}
.panel-title-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.panel-title-row h2 { margin: 0; }
.tag {
  font-size: 0.75rem; color: var(--accent-2);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 0.25rem 0.65rem;
}
button.tag.linkish-tag {
  cursor: pointer;
  background: transparent;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: inherit;
  color: inherit;
}
button.tag.linkish-tag:hover {
  filter: brightness(1.12);
}
button.tag.muted-tag {
  border-color: rgba(148, 163, 184, 0.45);
  color: #94a3b8;
}

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-grid .full { grid-column: 1 / -1; }
label { display: grid; gap: 0.4rem; }
label span { color: var(--muted); font-size: 0.9rem; }
input, select, textarea, button, .btn {
  font: inherit; color: var(--ink);
  background: var(--input-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(45, 212, 191, 0.28);
  border-color: var(--accent);
}
.optional-tag {
  font-style: normal;
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--muted);
  margin-left: 0.25rem;
}
.btn, button {
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.btn.primary, button.primary, #chat-send, #btn-generate.primary {
  background: linear-gradient(135deg, #14b8a6, #0ea5e9);
  border-color: transparent; color: #041016; font-weight: 600;
}
.btn.ghost { background: transparent; }
.btn.danger, button.danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
.btn.ghost.danger:hover, button.danger:hover {
  background: rgba(225, 29, 72, 0.1);
  border-color: var(--danger);
  color: var(--danger);
}
.btn:hover, button:hover { transform: translateY(-1px); }
.btn:disabled, button:disabled { opacity: 0.55; cursor: wait; transform: none; }

.stage-hint {
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  background: rgba(45, 212, 191, 0.05);
  color: var(--muted);
  line-height: 1.55;
}
.stage-hint strong { color: var(--ink); display: block; margin-bottom: 0.25rem; }
.stage-hint p { margin: 0 0 0.6rem; }

.preset-scope {
  color: var(--muted);
  font-weight: 400;
  margin-left: 0.35rem;
  font-size: 0.82rem;
}
.mode-hint {
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  background: rgba(56, 189, 248, 0.05);
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.9rem;
}
.mode-hint strong { color: var(--ink); display: block; margin-bottom: 0.35rem; }
.mode-hint p { margin: 0.25rem 0 0; }
.mode-hint b { color: var(--accent-2); font-weight: 600; }
.preset-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  background: rgba(45, 212, 191, 0.08);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
}
.chip:hover, .chip.active {
  border-color: var(--accent);
  background: rgba(45, 212, 191, 0.16);
}
.check-row {
  display: flex; flex-wrap: wrap; gap: 0.85rem 1.25rem;
  align-items: center;
  padding: 0.15rem 0 0.35rem;
}
.check {
  display: inline-flex; align-items: center; gap: 0.45rem;
  color: var(--ink); font-size: 0.92rem; cursor: pointer;
}
.check input { width: 1rem; height: 1rem; accent-color: #14b8a6; }
.web-hint .web-list {
  margin: 0.4rem 0 0.5rem;
  padding-left: 1.1rem;
  color: var(--muted);
}
.web-hint .web-list li { margin-bottom: 0.45rem; line-height: 1.45; }
.web-hint .web-list b { color: var(--ink); font-weight: 550; }
.web-hint .web-snip { display: block; margin-top: 0.15rem; font-size: 0.86rem; }
.web-hint .web-foot { margin: 0; font-size: 0.82rem; opacity: 0.9; }
.web-hint a { color: var(--accent); margin-left: 0.35rem; }

.workbench-top {
  display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start;
  padding: 1.4rem 0 0.4rem;
}
.crumbs { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 0.35rem; }
.crumbs span {
  font-size: 0.82rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.2rem 0.65rem;
}
.crumbs .accent { color: var(--accent); border-color: var(--line-strong); }
.hint { color: var(--muted); font-size: 0.88rem; }
.hint.tight { margin: 0; }
.workbench-actions { display: flex; gap: 0.55rem; }

.collapsible summary { cursor: pointer; color: var(--accent-2); font-weight: 500; }
.quote-head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; margin-bottom: 0.8rem; }
.total { color: var(--accent); font-size: 1.05rem; }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
.quote-table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  font-size: 0.9rem;
  min-width: 1080px;
}
.quote-table.account-quote {
  table-layout: fixed;
  border-collapse: collapse;
  border-spacing: 0;
}
.quote-table th, .quote-table td {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 0.55rem 0.5rem;
  text-align: left;
  vertical-align: middle;
  box-sizing: border-box;
}
.quote-table th:last-child,
.quote-table td:last-child {
  border-right: none;
}
.quote-table tbody tr:last-child td {
  border-bottom: none;
}
.quote-table th {
  color: var(--muted);
  font-weight: 600;
  background: var(--surface-soft);
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: 1px solid var(--line-strong);
}
.quote-table.account-quote th,
.quote-table.account-quote td {
  border: 1px solid var(--line);
}
.quote-table.account-quote thead th {
  border-bottom-color: var(--line-strong);
}
.quote-table.account-quote tbody tr:last-child td {
  border-bottom: 1px solid var(--line);
}
.quote-table.account-quote .col-flag { width: 5.2rem; }
.quote-table.account-quote .col-brand { width: 6.5rem; }
.quote-table.account-quote .col-sku { width: 6.5rem; }
.quote-table.account-quote .col-name { width: 12rem; }
.quote-table.account-quote .col-spec { width: 7rem; }
.quote-table.account-quote .col-unit { width: 3.5rem; }
.quote-table.account-quote .col-price,
.quote-table.account-quote .col-qty,
.quote-table.account-quote .col-subtotal { width: 5.5rem; text-align: right; font-variant-numeric: tabular-nums; }
.quote-table.account-quote .col-note { width: auto; word-break: break-word; overflow-wrap: anywhere; vertical-align: top; }
.quote-table.account-quote .col-note .note-text {
  display: block;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--muted);
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.quote-table.account-quote th.col-price,
.quote-table.account-quote th.col-qty,
.quote-table.account-quote th.col-subtotal { text-align: right; }
.source-cell { min-width: 9.5rem; max-width: 14rem; }
.source-top {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
}
.uncertain-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(251, 191, 36, 0.55);
  background: rgba(251, 191, 36, 0.14);
  color: #fbbf24;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  cursor: help;
  flex: 0 0 auto;
}
.uncertain-tip {
  margin-top: 0.15rem;
  font-size: 0.72rem;
  color: #fbbf24;
  opacity: 0.92;
}
.quote-table.editable input.price-uncertain {
  border-color: rgba(251, 191, 36, 0.45);
  color: #fde68a;
}
.quote-table.editable input.price-uncertain:focus {
  border-color: #fbbf24;
  outline: 2px solid rgba(251, 191, 36, 0.25);
}
.src-tag {
  display: inline-flex; align-items: center;
  width: fit-content;
  font-size: 0.72rem; font-weight: 600;
  border-radius: 999px; padding: 0.1rem 0.45rem;
  border: 1px solid var(--line);
  color: var(--muted);
}
.src-tag.catalog { color: var(--accent); border-color: rgba(45, 212, 191, 0.35); }
.src-tag.web { color: #38bdf8; border-color: rgba(56, 189, 248, 0.4); text-decoration: none; }
a.src-tag.web { cursor: pointer; }
a.src-tag.web:hover { background: rgba(56, 189, 248, 0.12); }
.src-tag.estimate { color: var(--warn); border-color: rgba(251, 191, 36, 0.4); }
.notice-banner {
  margin: 0.85rem 0 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(45, 212, 191, 0.35);
  background: rgba(45, 212, 191, 0.08);
  border-radius: 12px;
}
.notice-banner strong { display: block; margin-bottom: 0.35rem; color: var(--accent); }
.notice-banner p { margin: 0.25rem 0; color: var(--ink); }
.notice-banner .tight { margin-top: 0.45rem; }
.hint.tight { margin: 0.4rem 0 0.8rem; }
.insight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin: 0.9rem 0 0.2rem;
}
.insight-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.03);
}
.insight-card h3 {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
  font-family: var(--display);
}
.insight-card .hint { font-weight: 400; font-family: var(--sans, inherit); }
.card-head-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.35rem;
}
.month-delta { margin: 0.35rem 0 0.85rem; }
.delta-up { color: #fbbf24; }
.delta-down { color: #34d399; }
.notice-banner.peer-high { border-color: rgba(251, 191, 36, 0.45); background: rgba(251, 191, 36, 0.08); }
.notice-banner.peer-low { border-color: rgba(52, 211, 153, 0.4); background: rgba(52, 211, 153, 0.08); }
.notice-banner.peer-flat { border-color: rgba(45, 212, 191, 0.35); }
.revise-table { min-width: 720px; }
.revise-table .cell-changed { font-weight: 700; }
.overview-actions { margin: 0 0 0.85rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.filter-collapse {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.55rem 0.85rem;
  margin: 0.7rem 0 0.85rem;
  background: var(--surface-soft, rgba(255,255,255,0.04));
}
.filter-collapse > summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  user-select: none;
}
.filter-collapse > summary::-webkit-details-marker { display: none; }
.filter-collapse > summary::after {
  content: "展开";
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
}
.filter-collapse[open] > summary {
  margin-bottom: 0.7rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed var(--line);
}
.filter-collapse[open] > summary::after { content: "收起"; }
.filter-collapse .filter-active-tag {
  font-weight: 500;
  color: #fbbf24;
  font-size: 0.85rem;
}
.filter-collapse .order-filter-bar,
.filter-collapse .toolbar {
  margin: 0;
}
.order-filter-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem 0.75rem;
  align-items: end;
}
.order-filter-bar label { display: grid; gap: 0.3rem; font-size: 0.85rem; color: var(--muted); }
.order-filter-actions { display: flex; gap: 0.45rem; align-items: end; }
.pager {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.9rem 0 0.2rem;
}
.cond-cell {
  max-width: 18rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.profile-form .insight-card label {
  display: grid;
  gap: 0.3rem;
  margin-top: 0.55rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.profile-form .insight-card input,
.profile-form .insight-card select,
.profile-form .insight-card textarea {
  width: 100%;
  box-sizing: border-box;
}
.paper-panel { margin-bottom: 1rem; }
.paper-form {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr auto;
  gap: 0.65rem 0.75rem;
  align-items: end;
}
.paper-form label { display: grid; gap: 0.3rem; font-size: 0.85rem; color: var(--muted); }
.paper-form input[type="text"],
.paper-form input[type="file"] {
  width: 100%;
  box-sizing: border-box;
}
.paper-status { margin: 0.55rem 0 0; }
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin-top: 0.85rem;
}
.chart-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.lab-section-title {
  margin: 1.15rem 0 0.15rem;
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.lab-stats-row {
  flex-wrap: wrap;
}
.lab-todo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}
.lab-todo-list li a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  background: rgba(255,255,255,0.03);
}
.lab-todo-list li a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.lab-todo-list li.todo-warn a {
  border-color: rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.08);
}
.lab-todo-list li.todo-accent a {
  border-color: rgba(45, 212, 191, 0.35);
  background: rgba(45, 212, 191, 0.08);
}
.lab-lists-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 960px) {
  .chart-grid-3 { grid-template-columns: 1fr; }
  .lab-lists-grid { grid-template-columns: 1fr; }
}
.chart-card canvas { max-height: 220px; }
.chart-progress-wrap {
  position: relative;
  width: 100%;
  min-height: calc(48px + var(--progress-rows, 1) * 42px);
  height: calc(48px + var(--progress-rows, 1) * 42px);
  margin-top: 0.5rem;
}
.chart-progress-wrap canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
.progress-bar {
  height: 0.45rem;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
  margin: 0.25rem 0;
}
.progress-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #2dd4bf, #38bdf8);
}
.progress-bar.big { height: 0.65rem; margin: 0.45rem 0; }
.lab-form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem 0.7rem;
  align-items: end;
}
.lab-form-grid label { display: grid; gap: 0.25rem; font-size: 0.82rem; color: var(--muted); }
.lab-form-grid .span-2 { grid-column: span 2; }
.lab-form-grid.tight { margin-top: 0.55rem; }
.lab-tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin: 0 0 1rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
}
.lab-tabs a {
  padding: 0.45rem 0.9rem;
  border-radius: 9px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}
.lab-tabs a:hover { color: var(--ink); background: rgba(255,255,255,0.04); }
.lab-tabs a.active {
  color: #041016;
  background: linear-gradient(135deg, #2dd4bf, #14b8a6);
}
.site-header nav a.active,
.site-nav a.active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}
.check-row { display: flex; align-items: center; gap: 0.35rem; color: var(--muted); font-size: 0.88rem; }
@media (max-width: 900px) {
  .paper-form { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr; }
  .lab-form-grid { grid-template-columns: 1fr 1fr; }
  .lab-form-grid .span-2 { grid-column: 1 / -1; }
}
.addr-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}
@media (max-width: 900px) {
  .order-filter-bar { grid-template-columns: 1fr 1fr; }
  .addr-row { grid-template-columns: 1fr; }
}
.mini-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.mini-table th, .mini-table td {
  text-align: left;
  padding: 0.4rem 0.25rem;
  border-bottom: 1px solid var(--line);
}
.mini-table th { color: var(--muted); font-weight: 600; }
.row-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.7rem;
  align-items: center;
}
/* 禁止把 flex 直接加在 td 上，否则会破坏表格行高与横线对齐 */
td.row-links {
  display: table-cell;
  vertical-align: middle;
}
.inline-form { display: inline; margin: 0; }
.share-link-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}
button.linkish, .linkish {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  margin: 0;
  min-height: 0;
  height: auto;
  line-height: inherit;
  cursor: pointer;
  font: inherit;
  display: inline;
  transform: none;
}
button.linkish.danger, .linkish.danger { color: var(--danger); }
button.linkish:hover { text-decoration: underline; transform: none; }
@media (max-width: 800px) {
  .insight-grid { grid-template-columns: 1fr; }
}
.quote-table tr.row-revised td {
  background: rgba(251, 191, 36, 0.14);
}
.quote-table tr.row-added td {
  background: rgba(56, 189, 248, 0.14);
}
.quote-table tr.row-revised td:first-child {
  box-shadow: inset 3px 0 0 #fbbf24;
}
.quote-table tr.row-low-stock td {
  background: rgba(251, 191, 36, 0.12);
}
.quote-table tr.row-low-stock td:first-child {
  box-shadow: inset 3px 0 0 #fbbf24;
}
.tag-warn {
  border-color: rgba(251, 191, 36, 0.55);
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.12);
}
.low-stock-hint { color: #fbbf24; }
.quote-table tr.row-added td:first-child {
  box-shadow: inset 3px 0 0 #38bdf8;
}
.quote-table tr.row-share-revised td {
  background: rgba(45, 212, 191, 0.14);
}
.quote-table tr.row-share-added td {
  background: rgba(45, 212, 191, 0.2);
}
.quote-table tr.row-share-revised td:first-child,
.quote-table tr.row-share-added td:first-child {
  box-shadow: inset 3px 0 0 #2dd4bf;
}
.revise-tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #041016;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  white-space: nowrap;
}
.row-added .revise-tag {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
}
.revise-tag-share,
.row-share-revised .revise-tag,
.row-share-added .revise-tag {
  background: linear-gradient(135deg, #2dd4bf, #14b8a6);
  color: #041016;
}
.tag-share {
  border-color: rgba(45, 212, 191, 0.55) !important;
  color: #2dd4bf !important;
  background: rgba(45, 212, 191, 0.12) !important;
}
.notice-banner.notice-share {
  border-color: rgba(45, 212, 191, 0.4);
  background: rgba(45, 212, 191, 0.08);
}
.cell-changed .old-val {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  text-decoration: line-through;
  opacity: 0.85;
}
.cell-changed .new-val {
  font-weight: 700;
  color: #fbbf24;
}
.row-added .cell-changed .new-val,
.row-added td .new-val {
  color: #7dd3fc;
}
.src-link, .src-title {
  display: block;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--accent-2);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.src-link:hover { text-decoration: underline; color: var(--accent); }
.src-link[data-kind="search"]::after { content: " 🔎"; font-size: 0.7em; }
.src-title { color: var(--muted); white-space: normal; }
.chat-link {
  color: var(--accent-2);
  text-decoration: underline;
  word-break: break-all;
}
.chat-link:hover { color: var(--accent); }
.quote-table.editable input, .quote-table.editable select {
  width: 100%; min-width: 4rem;
  background: var(--input-bg-soft); border: 1px solid var(--line); border-radius: 8px;
  padding: 0.45rem 0.5rem; color: var(--ink); pointer-events: auto;
}
.quote-table.editable input:focus, .quote-table.editable select:focus {
  border-color: var(--accent); outline: 2px solid rgba(45, 212, 191, 0.25);
}
.lead-time-cell {
  position: relative;
  display: block;
  min-width: 6.5rem;
}
.lead-time-td {
  min-width: 6.8rem;
  vertical-align: middle;
}
.lead-time-cell .lead-custom {
  width: 100%;
  min-width: 5.5rem;
  font-size: 0.85rem;
}
.lead-time-suggest {
  position: fixed;
  z-index: 95;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  width: max-content;
  max-width: min(16rem, calc(100vw - 16px));
  padding: 0.4rem;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--picker-bg, var(--panel, #121a28));
  box-shadow: var(--shadow, 0 10px 28px rgba(0, 0, 0, 0.35));
}
.lead-time-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--input-bg-soft, rgba(255, 255, 255, 0.04));
  color: var(--ink);
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  font: inherit;
  font-size: 0.8rem;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
}
.lead-time-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(45, 212, 191, 0.1);
}
.lead-time-chip.is-active {
  border-color: var(--accent);
  background: rgba(45, 212, 191, 0.16);
  color: var(--accent);
}
.link-btn {
  background: transparent; border: 1px solid var(--line); color: var(--danger);
  border-radius: 8px; padding: 0.35rem 0.55rem; cursor: pointer;
}
.name-cell { display: flex; align-items: center; gap: 0.4rem; }
.name-cell input { flex: 1; min-width: 0; }
.link-badge {
  flex: 0 0 auto;
  font-size: 0.72rem;
  padding: 0.12rem 0.4rem;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  color: var(--accent);
  background: rgba(45, 212, 191, 0.12);
}
.link-badge.off {
  color: var(--muted);
  border-color: var(--line);
  background: transparent;
}
.link-badge.web {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.45);
  background: rgba(56, 189, 248, 0.12);
  text-decoration: none;
  cursor: pointer;
}
a.link-badge.web:hover { filter: brightness(1.12); }
.link-badge.official,
button.link-badge.official {
  color: #9a3412;
  border-color: #fdba74;
  background: #fff7ed;
  cursor: pointer;
  font: inherit;
  line-height: 1.4;
}
button.link-badge.official:hover {
  filter: brightness(0.97);
}
.catalog-picker {
  position: fixed;
  /* 高于 field-expand（1200），避免点选被浮层挡住 */
  z-index: 1300;
  width: min(420px, calc(100vw - 24px));
  max-height: 280px;
  overflow: auto;
  background: var(--picker-bg);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 0.4rem;
}
.catalog-picker-title {
  font-size: 0.75rem;
  color: var(--muted);
  padding: 0.25rem 0.45rem 0.45rem;
}
.catalog-picker-item {
  display: grid;
  grid-template-columns: 72px 88px 1fr auto;
  gap: 0.35rem;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--ink);
  padding: 0.45rem 0.5rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
}
.catalog-picker-item:hover {
  border-color: var(--line-strong);
  background: rgba(45, 212, 191, 0.08);
}
.catalog-picker-item .sku { color: var(--accent-2); }
.catalog-picker-item .nm {
  color: var(--ink);
  white-space: normal;
  overflow: visible;
  word-break: break-word;
  line-height: 1.35;
}
.catalog-picker-item .price { color: var(--accent); white-space: nowrap; align-self: start; }

/* 报价清单：窄列聚焦时浮层完整编辑（避开 table-wrap 裁切） */
.quote-table.editable input.is-expand-source {
  opacity: 0.35;
}
#save-status { min-height: 1.2em; }
#save-status.error { color: var(--danger); }

.fab-stack {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 60;
  display: flex; flex-direction: column; gap: 0.6rem;
}
.fab {
  width: 3.4rem; height: 3.4rem; border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, #14b8a6, #0284c7);
  color: #041016; font-family: var(--display); font-weight: 700;
  box-shadow: var(--shadow); cursor: pointer;
}
.drawer-mask {
  position: fixed; inset: 0; background: var(--mask-drawer);
  z-index: 70; backdrop-filter: blur(2px);
}
.chat-drawer {
  position: fixed; top: 0; right: 0; width: min(420px, 100%);
  height: 100vh; z-index: 80;
  background: var(--panel-solid);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateX(105%);
  transition: transform .22s ease;
  display: flex; flex-direction: column; padding: 1rem;
}
.chat-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.8rem; }
.icon-btn {
  width: 2.2rem; height: 2.2rem; border-radius: 999px; cursor: pointer;
  background: transparent; border: 1px solid var(--line); color: var(--ink); font-size: 1.2rem;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.8rem 0; }
.chip {
  border: 1px solid var(--line); background: rgba(255,255,255,0.02);
  color: var(--muted); border-radius: 999px; padding: 0.35rem 0.7rem;
  font-size: 0.78rem; cursor: pointer; text-align: left;
}
.chip:hover { color: var(--accent); border-color: var(--line-strong); }
.chat-log {
  flex: 1; overflow: auto; display: flex; flex-direction: column; gap: 0.7rem;
  padding: 0.4rem 0.1rem 0.8rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.bubble {
  max-width: 95%; padding: 0.7rem 0.85rem; border-radius: 14px;
  border: 1px solid var(--line); background: var(--surface-soft);
}
.bubble.user { align-self: flex-end; background: rgba(45, 212, 191, 0.1); }
.bubble .role { font-size: 0.72rem; color: var(--muted); margin-bottom: 0.25rem; }
.drawer-form { display: grid; gap: 0.65rem; padding-top: 0.75rem; }

.flash { list-style: none; padding: 0; }
.flash li {
  background: rgba(45, 212, 191, 0.1); border: 1px solid var(--line-strong);
  padding: 0.7rem 0.9rem; border-radius: 12px; margin: 1rem 0;
}
.error { color: var(--danger); }
.success-panel .actions { margin-top: 1rem; }

.contact-form { margin-top: 1rem; }
.mono {
  white-space: pre-wrap; background: rgba(0,0,0,0.25);
  border-radius: 10px; padding: 0.8rem; font-size: 0.85rem; max-height: 280px; overflow: auto;
}

@media (max-width: 880px) {
  .form-grid, .workbench-top { grid-template-columns: 1fr; display: grid; }
  .workbench-top { align-items: stretch; }
  .chat-drawer { width: 100%; }
}

.lab-tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin: 0 0 1rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
}
.lab-tabs a {
  padding: 0.45rem 0.9rem;
  border-radius: 9px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}
.lab-tabs a:hover { color: var(--ink); background: rgba(255,255,255,0.04); }
.lab-tabs a.active {
  color: #041016;
  background: linear-gradient(135deg, #2dd4bf, #14b8a6);
}
.site-header nav a.active,
.site-nav a.active {
  color: var(--accent);
}
.use-pct-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}
.use-pct-row .pct-btn {
  min-width: 3.2rem;
  padding: 0.35rem 0.55rem;
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid rgba(45, 212, 191, 0.3);
  color: var(--ink);
}
.use-pct-row .pct-btn:hover:not(:disabled) {
  background: rgba(45, 212, 191, 0.28);
}
.use-pct-row .pct-btn.active {
  background: linear-gradient(135deg, #2dd4bf, #14b8a6);
  color: #041016;
  border-color: transparent;
  cursor: default;
}
.use-pct-row .pct-btn.rollback {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.4);
}
.use-pct-row .pct-btn:disabled {
  opacity: 1;
}
.used-pct-cell { min-width: 7rem; }
.used-pct-cell strong { display: inline-block; margin-right: 0.25rem; }
.stock-use-table thead th {
  white-space: nowrap;
  vertical-align: middle;
}
.th-sort {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}
.th-sort:hover {
  color: var(--accent);
}
.th-sort-icon {
  font-size: 0.72rem;
  color: var(--muted);
  opacity: 0.75;
  line-height: 1;
}
.th-sort.is-asc .th-sort-icon,
.th-sort.is-desc .th-sort-icon {
  color: var(--accent);
  opacity: 1;
}
.sync-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}
.row-muted { opacity: 0.72; }
.chart-usage-items { margin-top: 0.35rem; }
.share-banner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(45, 212, 191, 0.35);
  border-radius: 12px;
  background: rgba(45, 212, 191, 0.08);
}
.share-banner strong { color: var(--ink); }
.brand-static { display: flex; align-items: center; gap: 0.65rem; cursor: default; }
.share-nav-note .nav-mode {
  color: var(--muted);
  font-size: 0.85rem;
}
body.share-guest .site-footer { opacity: 0.7; }
.share-workbench-top { margin-bottom: 0.75rem; }
.share-panel {
  margin-top: 0.75rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.02);
}
.share-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.45rem;
}
.share-row input {
  flex: 1;
  min-width: 0;
}

.exp-list { display: grid; gap: 0.85rem; margin-top: 0.85rem; }
.exp-form {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}
.exp-form-block {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.exp-form-label {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.exp-form-row {
  display: grid;
  gap: 0.65rem 0.75rem;
}
.exp-form-row.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.exp-form-row.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.exp-field {
  display: grid;
  gap: 0.28rem;
  font-size: 0.82rem;
  color: var(--muted);
  min-width: 0;
}
.exp-field input,
.exp-field select {
  width: 100%;
  box-sizing: border-box;
}
.exp-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  align-items: center;
  padding-top: 0.15rem;
}
.exp-edit {
  margin-top: 0.75rem;
  border-top: 1px solid var(--line);
  padding-top: 0.55rem;
}
.exp-edit > summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.9rem;
  list-style: none;
  user-select: none;
}
.exp-edit > summary::-webkit-details-marker { display: none; }
.exp-edit[open] > summary { margin-bottom: 0.75rem; }
.exp-delete { margin-top: 0.55rem; }
.material-picker {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  background: rgba(255,255,255,0.02);
}
.material-picker-head {
  display: flex;
  margin-bottom: 0.55rem;
}
.material-search {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.2);
  color: var(--ink);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
}
.material-selected {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  min-height: 1.6rem;
  margin-bottom: 0.55rem;
}
.material-chip {
  border: 1px solid rgba(45, 212, 191, 0.4);
  background: rgba(45, 212, 191, 0.12);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.75rem;
  cursor: pointer;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.material-chip:hover { border-color: #f87171; background: rgba(248, 113, 113, 0.12); }
.material-groups { display: grid; gap: 0.45rem; max-height: 220px; overflow: auto; }
.material-group {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.15rem 0.55rem 0.4rem;
}
.material-group summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  cursor: pointer;
  list-style: none;
  padding: 0.4rem 0;
}
.material-group summary::-webkit-details-marker { display: none; }
.material-order { font-weight: 600; color: var(--accent); }
.material-lines { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.25rem; }
.material-line {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.45rem;
  align-items: center;
  padding: 0.35rem 0.4rem;
  border-radius: 8px;
}
.material-line:hover { background: rgba(255,255,255,0.04); }
.material-line-main {
  color: var(--ink);
  font-size: 0.86rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.material-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin: 0.35rem 0 0.55rem;
}
.chip-link {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.75rem;
}
.chip-link:hover { border-color: var(--accent); }
@media (max-width: 720px) {
  .exp-form-row.cols-2,
  .exp-form-row.cols-3 { grid-template-columns: 1fr; }
  .material-line {
    grid-template-columns: auto minmax(0, 1fr);
  }
  .material-line .hint { grid-column: 2; }
}

.share-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.55);
  display: grid;
  place-items: center;
  padding: 1rem;
  pointer-events: auto;
}
.share-modal[hidden] { display: none !important; }
.share-modal-card {
  width: min(520px, 100%);
  background: var(--modal-bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.65rem;
  position: relative;
  z-index: 1;
  pointer-events: auto;
}
.share-modal-card h3 { margin: 0; }
.share-recipient-label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.share-recipient-label input,
.share-recipient-label select {
  width: 100%;
  box-sizing: border-box;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--input-bg);
  color: inherit;
  font: inherit;
}
.share-check {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-size: 0.9rem;
  color: var(--muted);
  cursor: pointer;
}
.share-check input { margin-top: 0.2rem; }
.share-check[hidden] { display: none !important; }
.share-contact-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}
.share-contact-chips[hidden] { display: none !important; }
.share-chip {
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: inherit;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}
.share-chip:hover {
  border-color: var(--accent, #2dd4bf);
  color: var(--accent, #2dd4bf);
}
.share-hide-prices .quote-table th:nth-child(6),
.share-hide-prices .quote-table td:nth-child(6) input {
  outline: 1px dashed color-mix(in srgb, var(--accent, #2dd4bf) 55%, transparent);
  outline-offset: 1px;
}
.row-highlight td {
  background: color-mix(in srgb, var(--accent, #2dd4bf) 12%, transparent);
}
.quote-compare-parties {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  margin-top: 0.85rem;
}
.quote-compare-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  background: var(--panel-soft, transparent);
}
.quote-compare-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.quote-compare-table .diff-up { color: #b45309; font-size: 0.8rem; margin-left: 0.25rem; }
.quote-compare-table .diff-down { color: #047857; font-size: 0.8rem; margin-left: 0.25rem; }
.quote-compare-table .compare-lead {
  margin-top: 0.2rem;
  white-space: nowrap;
}
.quote-compare-table .compare-lead.lead-diff {
  color: var(--accent);
  font-weight: 600;
}
.share-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.share-error { color: #f87171; }
body.share-only .site-header nav,
body.share-only .site-nav,
body.share-only .nav-toggle { display: none; }

/* —— 客户端帮助 —— */
.help-hero { padding-bottom: 0.5rem; }
.help-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  margin-bottom: 1rem;
}
.help-toc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.85rem;
}
.help-toc-links a {
  color: var(--accent);
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px dashed rgba(45, 212, 191, 0.35);
}
.help-toc-links a:hover { border-bottom-style: solid; }
.help-section { margin-bottom: 1.1rem; scroll-margin-top: 5rem; }
.help-figure {
  margin: 0.85rem 0 1.1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--figure-bg);
}
.help-figure img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}
.help-figure figcaption {
  padding: 0.55rem 0.85rem 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}
.help-steps {
  display: grid;
  gap: 0.85rem;
  margin: 0.5rem 0 0.75rem;
}
.help-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(12, 21, 36, 0.55);
}
.help-step-num {
  display: grid;
  place-items: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.35rem;
  border-radius: 9px;
  background: rgba(45, 212, 191, 0.16);
  color: var(--accent);
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.9rem;
}
.help-step h3 { margin: 0 0 0.25rem; font-size: 1rem; }
.help-step p { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.55; }
.help-grid { margin-top: 0.75rem; }
.help-grid .insight-card p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
  font-weight: 400;
  font-family: var(--sans, inherit);
}
.help-callout {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(45, 212, 191, 0.06);
  border-radius: 0 10px 10px 0;
}
.help-callout ul { margin: 0.4rem 0 0; padding-left: 1.15rem; color: var(--muted); }
.help-callout li { margin: 0.25rem 0; }
.help-faq {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.65rem 0.9rem;
  margin: 0.45rem 0;
  background: rgba(12, 21, 36, 0.4);
}
.help-faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}
.help-faq p {
  margin: 0.55rem 0 0.2rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}
@media (max-width: 640px) {
  .help-step { grid-template-columns: 1fr; }
}

/* —— 主题切换 —— */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.28rem 0.65rem 0.28rem 0.45rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  line-height: 1;
  white-space: nowrap;
}
.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  transform: none;
}
.theme-toggle-icon {
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  background: rgba(45, 212, 191, 0.14);
  color: var(--accent);
  font-size: 0.85rem;
}
[data-theme="light"] .theme-toggle-icon {
  background: rgba(15, 157, 138, 0.14);
}
.theme-toggle .theme-label-light { display: none; }
.theme-toggle .theme-label-dark { display: inline; }
[data-theme="light"] .theme-toggle .theme-label-light { display: inline; }
[data-theme="light"] .theme-toggle .theme-label-dark { display: none; }
[data-theme="light"] .insight-card,
[data-theme="light"] .help-step,
[data-theme="light"] .help-faq {
  background: rgba(255, 255, 255, 0.72);
}
[data-theme="light"] .flash li {
  background: rgba(255, 255, 255, 0.9);
}

/* —— 手机端适配 —— */
@media (max-width: 900px) {
  .wrap { width: min(1180px, calc(100% - 1.1rem)); }
  .nav-toggle { display: inline-flex; }
  .header-inner { padding: 0.7rem 0; }
  .brand-en { display: none; }
  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 0;
    right: 0;
    z-index: 30;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    padding: 0.55rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel-solid);
    box-shadow: var(--shadow);
    max-height: min(70vh, 28rem);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }
  body.nav-open .site-nav { display: flex; }
  .site-nav a,
  .site-nav .nav-mode,
  .nav-logout-form {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
    text-align: left;
  }
  .site-nav a:hover,
  .site-nav a.active {
    background: var(--surface-soft);
  }
  .nav-logout-form button.linkish {
    width: 100%;
    text-align: left;
    padding: 0;
  }
  .nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 15;
    background: var(--mask-drawer);
  }
  .nav-scrim[hidden] { display: none !important; }

  .hero-tech { padding: 1.4rem 0 0.5rem; }
  .hero-tech h1 { font-size: clamp(1.7rem, 8vw, 2.4rem); }
  .panel, .panel-tech {
    padding: 1rem 0.95rem 1.1rem;
    margin: 0.75rem 0 1rem;
    border-radius: 14px;
  }
  .panel-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }
  .form-grid { grid-template-columns: 1fr; gap: 0.85rem; }
  .actions { gap: 0.5rem; }
  .actions .btn,
  .actions button,
  .actions a.btn {
    flex: 1 1 auto;
    min-height: 2.6rem;
  }
  .workbench-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }
  .workbench-actions .btn { width: 100%; justify-content: center; }
  .quote-head {
    flex-direction: column;
    align-items: stretch;
    gap: 0.55rem;
  }
  .quote-head .total {
    align-self: flex-start;
    font-size: 1.15rem;
  }
  .table-wrap {
    margin: 0 -0.15rem;
    border-radius: 10px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }
  .table-wrap::after {
    content: "左右滑动查看更多列";
    display: block;
    padding: 0.35rem 0.55rem 0.45rem;
    color: var(--muted);
    font-size: 0.75rem;
    border-top: 1px dashed var(--line);
    background: var(--surface-soft);
  }
  .quote-table {
    min-width: 920px;
    font-size: 0.82rem;
  }
  .quote-table th, .quote-table td {
    padding: 0.45rem 0.4rem;
  }
  .quote-table.editable input,
  .quote-table.editable select {
    min-height: 2.2rem;
    font-size: 16px; /* 避免 iOS 聚焦放大 */
  }
  input, select, textarea, .btn, button {
    font-size: 16px;
    min-height: 2.5rem;
  }
  button.linkish, .linkish {
    min-height: 0;
    height: auto;
    padding: 0;
  }
  textarea { min-height: 5rem; }
  .check-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
  }
  .preset-chips { gap: 0.4rem; }
  .chip { padding: 0.45rem 0.75rem; }
  .fab-stack {
    right: max(0.75rem, env(safe-area-inset-right));
    bottom: max(0.85rem, env(safe-area-inset-bottom));
  }
  .fab {
    width: 3.1rem;
    height: 3.1rem;
  }
  .chat-drawer {
    width: 100%;
    padding: 0.85rem 0.85rem calc(0.85rem + env(safe-area-inset-bottom));
  }
  .catalog-picker {
    width: calc(100vw - 16px) !important;
    left: 8px !important;
    max-height: min(50vh, 320px);
  }
  .catalog-picker-item {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
  #quote-actions.actions {
    position: sticky;
    bottom: 0;
    z-index: 12;
    margin: 0.75rem -0.95rem -1.1rem;
    padding: 0.7rem 0.95rem calc(0.7rem + env(safe-area-inset-bottom));
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.18);
  }
  .help-toc {
    flex-direction: column;
    align-items: flex-start;
  }
  .help-toc-links {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
  }
  .help-toc-links a {
    display: block;
    padding: 0.45rem 0.55rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    border-bottom-style: solid;
    text-align: center;
    background: var(--surface-soft);
  }
  .theme-toggle .theme-label-dark,
  .theme-toggle .theme-label-light {
    display: none !important;
  }
  .theme-toggle {
    padding: 0.28rem;
  }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .order-filter-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .share-modal { padding: 0.65rem; align-items: end; }
  .share-modal-card {
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    border-radius: 16px 16px 12px 12px;
  }
  .site-footer {
    padding: 1.5rem 0 calc(2rem + env(safe-area-inset-bottom));
    font-size: 0.8rem;
  }
}

@media (max-width: 560px) {
  .wrap { width: calc(100% - 0.9rem); }
  .brand-cn { font-size: 0.9rem; }
  .stats-row { grid-template-columns: 1fr; }
  .check-row { grid-template-columns: 1fr; }
  .help-toc-links { grid-template-columns: 1fr; }
  .workbench-actions { grid-template-columns: 1fr; }
  .quote-table { min-width: 860px; }
  #quote-actions.actions .btn,
  #quote-actions.actions a.btn {
    flex: 1 1 calc(50% - 0.35rem);
  }
  .nav-toggle-text { display: none; }
  .nav-toggle { padding: 0.45rem 0.6rem; }
}

@media (max-width: 900px) and (orientation: landscape) {
  .chat-drawer { max-height: 100dvh; }
  .catalog-picker { max-height: min(42vh, 240px); }
}