@import url('/procurement-brand.css?v=20260922-1');

:root {
  color-scheme: light;
  --canvas: var(--mb-canvas);
  --surface: var(--mb-surface);
  --soft: var(--mb-soft);
  --ink: var(--mb-ink);
  --muted: var(--mb-muted);
  --rule: var(--mb-line);
  --strong-rule: var(--mb-input-line);
  --action: var(--mb-action);
  --action-hover: var(--mb-action-hover);
  --action-soft: var(--mb-blue-soft);
  --success: #18794e;
  --success-soft: #e9f6ef;
  --danger: #a62929;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--mb-font);
  line-height: 1.75;
}
html:lang(zh-CN) body { font-family: "Noto Sans SC", "Microsoft YaHei", "Segoe UI", sans-serif; }
::selection { color: var(--ink); background: #cce9ff; }
a { color: var(--mb-blue-hover); text-underline-offset: 4px; }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: 2px solid var(--mb-blue); outline-offset: 3px; }
input, textarea { caret-color: var(--mb-blue); }
input::placeholder, textarea::placeholder { color: var(--mb-muted); opacity: 1; }

.pw-wrap { width: calc(100% - 80px); margin-inline: auto; }
.pw-nav { background: var(--surface); border-bottom: 1px solid var(--rule); }
.pw-nav .pw-wrap { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.pw-brand { color: var(--ink); font-weight: 750; font-size: 27px; text-decoration: none; letter-spacing: 0; white-space: nowrap; }
.pw-brand span { color: var(--mb-blue); }
.pw-nav-links { display: flex; align-items: center; gap: 22px; }
.pw-nav-links a { color: var(--ink); font-weight: 400; font-size: 14px; text-decoration: none; }
.pw-nav-links a:not(.pw-button):hover { color: var(--mb-blue-hover); text-decoration: underline; }
.pw-nav-links .pw-button { color: var(--mb-action-ink); }

.pw-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--action);
  border-radius: var(--mb-control-radius);
  padding: 12px 24px;
  background: var(--action);
  color: var(--mb-action-ink);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
}
.pw-button:hover { background: var(--action-hover); border-color: var(--action-hover); }
.pw-button.secondary { color: var(--ink); background: var(--surface); border-color: var(--strong-rule); }
.pw-button.secondary:hover { background: var(--soft); border-color: var(--ink); }
.pw-button:disabled { background: var(--soft); color: var(--muted); border-color: var(--strong-rule); cursor: not-allowed; }
.pw-button:active:not(:disabled) { background: var(--action-hover); }

.pw-hero { padding: 68px 0; background: var(--surface); border-bottom: 1px solid var(--rule); }
.pw-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); align-items: center; gap: 56px; }
.pw-hero h1 { margin: 0 0 22px; font-size: clamp(34px, 3.4vw, 48px); font-weight: 500; line-height: 1.25; letter-spacing: 0; text-wrap: balance; }
.pw-hero p { max-width: 60ch; margin: 0 0 28px; color: var(--muted); font-size: 17px; }
.pw-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.pw-demo { border: 1px solid var(--rule); border-radius: var(--mb-panel-radius); background: var(--surface); overflow: hidden; }
.pw-demo-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 18px; background: var(--soft); border-bottom: 1px solid var(--rule); }
.pw-demo-head strong { font-size: 14px; }
.pw-status { padding: 5px 8px; border-radius: var(--mb-control-radius); background: var(--success-soft); color: var(--success); font-size: 12px; font-weight: 600; }
.pw-steps { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--rule); }
.pw-step { padding: 13px 15px; color: var(--muted); font-size: 12px; font-weight: 750; border-right: 1px solid var(--rule); }
.pw-step:last-child { border-right: 0; }
.pw-step.active { color: var(--mb-blue-hover); background: var(--action-soft); }
.pw-table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
.pw-table th, .pw-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.pw-table th { color: var(--muted); background: #fbfbfc; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; }
.pw-table tr:last-child td { border-bottom: 0; }
.pw-missing { color: var(--danger); font-weight: 700; }

.pw-section { padding: 64px 0; }
.pw-section + .pw-section { border-top: 1px solid var(--rule); }
.pw-section h2 { margin: 0 0 17px; color: var(--mb-blue); font-size: clamp(26px, 3vw, 33px); font-weight: 400; line-height: 1.4; letter-spacing: 0; }
.pw-lead { max-width: 68ch; color: var(--muted); font-size: 17px; }
.pw-flow { margin-top: 36px; border-top: 1px solid var(--rule); }
.pw-flow article { display: grid; grid-template-columns: 180px 1fr 230px; gap: 28px; align-items: start; padding: 26px 0; border-bottom: 1px solid var(--rule); }
.pw-flow h3 { margin: 0; font-size: 20px; color: var(--mb-blue); font-weight: 500; }
.pw-flow p { margin: 0; color: var(--muted); }
.pw-flow ul { margin: 0; padding-left: 18px; color: var(--ink); font-size: 14px; }
.pw-proof { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.pw-proof dl { margin: 0; border-top: 1px solid var(--rule); }
.pw-proof dl > div { display: grid; grid-template-columns: 160px 1fr; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.pw-proof dt { font-weight: 600; }
.pw-proof dd { margin: 0; color: var(--muted); }
.pw-close { padding: 44px; background: var(--mb-blue-soft); color: var(--ink); border-radius: var(--mb-panel-radius); }
.pw-close h2 { margin-top: 0; }
.pw-close p { color: var(--muted); }
.pw-footer { padding: 34px 0; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }

.quote-shell { min-height: 100dvh; }
.quote-main { padding: 36px 0 72px; }
.quote-header { max-width: 820px; margin-bottom: 28px; }
.quote-header h1 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 36px); font-weight: 500; color: var(--mb-blue); letter-spacing: 0; }
.quote-header p { margin: 0; color: var(--muted); }
.quote-layout { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr); gap: 28px; align-items: start; }
.quote-brief, .quote-form { border: 1px solid var(--rule); border-radius: var(--mb-panel-radius); background: var(--surface); }
.quote-brief { position: sticky; top: 20px; overflow: hidden; }
.quote-brief h2, .quote-form h2 { margin: 0; padding: 18px 20px; border-bottom: 1px solid var(--rule); font-size: 20px; font-weight: 500; color: var(--mb-blue); }
.quote-brief dl { margin: 0; }
.quote-brief div { padding: 14px 20px; border-bottom: 1px solid var(--rule); }
.quote-brief div:last-child { border-bottom: 0; }
.quote-brief dt { color: var(--muted); font-size: 12px; font-weight: 750; }
.quote-brief dd { margin: 3px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.quote-form form { padding: 20px; }
.quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.quote-field { display: grid; gap: 7px; }
.quote-field.wide { grid-column: 1 / -1; }
.quote-field label { font-size: 13px; font-weight: 750; }
.quote-field input, .quote-field textarea, .quote-field select {
  width: 100%; min-height: 44px; border: 1px solid var(--strong-rule); border-radius: var(--mb-control-radius);
  padding: 10px 12px; color: var(--ink); background: white;
}
.quote-field textarea { min-height: 92px; resize: vertical; }
.quote-field input:focus, .quote-field textarea:focus, .quote-field select:focus { border-color: var(--mb-blue); outline: 2px solid var(--mb-blue); outline-offset: 2px; }
.quote-help { color: var(--muted); font-size: 12px; }
.quote-confirm { display: flex; align-items: flex-start; gap: 10px; margin: 22px 0; padding: 14px; background: var(--soft); border-radius: var(--mb-control-radius); }
.quote-confirm input { margin-top: 7px; accent-color: var(--mb-blue); }
.quote-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.quote-message { margin-bottom: 20px; padding: 16px 20px; border-radius: var(--mb-control-radius); border: 1px solid var(--rule); background: var(--surface); }
.quote-message.success { color: var(--success); border-color: #91c9ac; background: var(--success-soft); }
.quote-message.error { color: var(--danger); border-color: #e0abab; background: #fff1f1; }
.quote-field [aria-invalid="true"] { border-color: var(--danger); outline: 3px solid rgba(166, 41, 41, .12); }
.quote-tiers { grid-column: 1 / -1; border: 1px solid var(--rule); border-radius: var(--mb-panel-radius); padding: 14px; margin: 0; min-width: 0; }
.quote-tiers legend { padding-inline: 6px; font-weight: 800; font-size: 13px; }
.quote-tiers p { margin: 0 0 10px; color: var(--muted); font-size: 12px; }
.quote-tier-head, .quote-tier-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quote-tier-head { margin-bottom: 5px; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.quote-tier-row + .quote-tier-row { margin-top: 8px; }
.quote-tier-row input { width: 100%; min-width: 0; min-height: 44px; border: 1px solid var(--strong-rule); border-radius: var(--mb-control-radius); padding: 10px 12px; color: var(--ink); background: white; font-variant-numeric: tabular-nums; }
.quote-tier-row input:focus { border-color: var(--mb-blue); outline: 2px solid var(--mb-blue); outline-offset: 2px; }
.quote-files { margin: 10px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.quote-files button { border: 0; min-height: 44px; padding: 0; color: var(--mb-blue-hover); background: transparent; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font: inherit; text-align: start; overflow-wrap: anywhere; }
.quote-message[hidden], [hidden] { display: none !important; }

@media (max-width: 1100px) {
  .pw-hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .pw-hero h1 { max-width: 26ch; }
}
@media (max-width: 860px) {
  .pw-hero-grid, .quote-layout, .pw-proof { grid-template-columns: 1fr; }
  .pw-hero { padding-top: 52px; }
  .pw-hero h1 { max-width: 24ch; }
  .pw-flow article { grid-template-columns: 1fr; gap: 10px; }
  .quote-brief { position: static; }
}

@media (max-width: 620px) {
  .pw-wrap { width: calc(100% - 36px); }
  .pw-nav .pw-wrap { min-height: 76px; gap: 16px; flex-wrap: wrap; padding-block: 16px; }
  .pw-brand { font-size: 24px; }
  .pw-nav-links { gap: 16px; flex-wrap: wrap; }
  body:not(.quote-shell) .pw-nav-links { width: 100%; }
  .pw-nav-links > a { min-height: 44px; display: inline-flex; align-items: center; }
  body:not(.quote-shell) .pw-nav-links > a:nth-child(-n+2) { display: none; }
  .pw-nav-links .pw-button { width: auto; margin-left: auto; }
  .pw-hero { padding: 38px 0; }
  .pw-hero h1 { font-size: 33px; }
  .pw-actions, .quote-actions { display: grid; }
  .pw-button { width: 100%; }
  .pw-demo { overflow: hidden; }
  .pw-demo > * { min-width: 0; }
  .pw-demo-head { align-items: flex-start; padding: 12px; }
  .pw-demo-head strong { font-size: 12px; }
  .pw-status { max-width: 138px; padding: 4px 6px; font-size: 11px; text-align: right; }
  .pw-step { padding: 10px 6px; font-size: 11px; line-height: 1.4; }
  .pw-table th, .pw-table td { padding: 10px 8px; font-size: 12px; }
  .pw-table th:nth-child(4), .pw-table td:nth-child(4),
  .pw-table th:nth-child(5), .pw-table td:nth-child(5) { display: none; }
  .pw-section { padding: 48px 0; }
  .pw-close { padding: 28px 22px; }
  .quote-main { padding-top: 24px; }
  .quote-grid { grid-template-columns: 1fr; }
  .quote-tier-head, .quote-tier-row { grid-template-columns: 1fr 1fr; }
  .quote-field.wide { grid-column: auto; }
  .quote-form form { padding: 16px; }
  .pw-proof dl > div { grid-template-columns: 1fr; gap: 4px; }
  .quote-field input, .quote-field select, .quote-tier-row input { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }