:root {
  --ink: #17231f;
  --muted: #66756f;
  --paper: #f4f6f1;
  --card: #ffffff;
  --line: #dfe6df;
  --green: #16745b;
  --green-soft: #e3f2ec;
  --lime: #dff14b;
  --orange: #f2a65a;
  --red: #b23b3b;
  --shadow: 0 18px 50px rgba(33, 57, 48, .09);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 14px/1.55 Inter, "Microsoft YaHei", sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hero { min-height: 260px; padding: 52px max(5vw, 28px) 42px; background: radial-gradient(circle at 80% 10%, #2d8b70 0, transparent 32%), linear-gradient(130deg, #112a23, #174f40); color: white; display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; }
.eyebrow { color: var(--lime); letter-spacing: .2em; font-weight: 800; margin: 0 0 12px; }
h1 { font-size: clamp(38px, 6vw, 72px); line-height: .95; margin: 0; letter-spacing: -.045em; }
.subtitle { max-width: 620px; color: #cbe0d8; font-size: 17px; margin: 20px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.hero button, .scheme-picker { border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08); color: white; border-radius: 10px; padding: 10px 13px; }
.scheme-picker { display: flex; gap: 10px; align-items: center; }
.scheme-picker select { color: white; background: transparent; border: 0; min-width: 150px; outline: none; }
.scheme-picker option { color: var(--ink); }
.hero .danger:hover { background: rgba(178,59,59,.55); }
main { max-width: 1500px; margin: -22px auto 0; padding: 0 28px 70px; position: relative; }
.panel, .mode-card, .result-card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.panel { padding: 28px; margin-bottom: 22px; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.section-title > div { display: flex; align-items: center; gap: 12px; }
.section-title span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--lime); font-size: 12px; font-weight: 800; }
h2 { margin: 0; font-size: 23px; letter-spacing: -.025em; }
.section-title p { margin: 0; color: var(--muted); }
.standalone { margin: 30px 0 16px; }
.field-grid { display: grid; grid-template-columns: repeat(5, minmax(150px, 1fr)); gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { color: var(--muted); font-size: 12px; font-weight: 700; }
.field input, .field textarea { width: 100%; border: 1px solid var(--line); background: #f9faf8; color: var(--ink); border-radius: 10px; padding: 11px 12px; outline: none; transition: .18s; }
.field textarea { min-height: 67px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-soft); background: white; }
.dimension-note { margin-top: 16px; padding: 10px 12px; border-radius: 9px; background: var(--green-soft); color: var(--green); font-weight: 700; }
.risk-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.risk-card { border: 1px solid var(--line); border-radius: 14px; padding: 18px; background: #fbfcfa; }
.risk-card h3, .mode-card h3 { margin: 0 0 14px; font-size: 18px; }
.risk-card .field-grid { grid-template-columns: repeat(2, 1fr); }
.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.mode-card { padding: 22px; box-shadow: none; border-top: 5px solid var(--green); }
.mode-card:nth-child(2) { border-top-color: var(--orange); }
.mode-card:nth-child(3) { border-top-color: #6678c8; }
.mode-card .field-grid { grid-template-columns: repeat(2, 1fr); }
.mode-hint { margin: -7px 0 14px; color: var(--green); font-size: 12px; font-weight: 700; }
.meta-fields { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.meta-fields .wide { grid-column: 1/-1; }
.text-button { background: none; border: 0; color: var(--green); font-weight: 800; }
.results-head { display: flex; align-items: center; justify-content: space-between; }
.segmented { padding: 4px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.segmented button { border: 0; background: transparent; color: var(--muted); padding: 9px 14px; border-radius: 8px; }
.segmented button.active { background: var(--ink); color: white; }
.comparison-strip { border-radius: 16px; color: white; background: var(--ink); padding: 20px 24px; margin-bottom: 18px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.comparison-strip strong { color: var(--lime); font-size: 20px; }
.result-card { padding: 24px; position: relative; overflow: hidden; }
.result-card.winner::after { content: "最佳"; position: absolute; top: 14px; right: -28px; width: 100px; text-align: center; transform: rotate(38deg); background: var(--lime); color: var(--ink); font-weight: 900; }
.resale-toggle { grid-column: 1/-1; display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 14px 18px; border-radius: 12px; background: var(--green-soft); color: var(--green); font-weight: 800; }
.resale-toggle label { display: flex; align-items: center; gap: 9px; }
.resale-toggle input { width: 18px; height: 18px; accent-color: var(--green); }
.resale-toggle small { color: var(--muted); font-weight: 500; }
.mode-label { color: var(--muted); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.profit-number { font-size: 34px; font-weight: 900; letter-spacing: -.04em; margin: 6px 0 0; }
.profit-number.negative { color: var(--red); }
.cny-value { color: var(--muted); }
.tier-badge { display: inline-block; margin-top: 12px; padding: 6px 9px; border-radius: 7px; background: var(--green-soft); color: var(--green); font-size: 11px; font-weight: 800; }
.metric-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 20px 0; }
.metric { background: #f5f7f3; border-radius: 11px; padding: 11px; }
.metric span { display: block; color: var(--muted); font-size: 11px; }
.metric strong { font-size: 16px; }
.waterfall { border-top: 1px solid var(--line); padding-top: 13px; }
.water-row { display: flex; justify-content: space-between; padding: 5px 0; color: var(--muted); }
.water-row.total { color: var(--ink); font-weight: 800; border-top: 1px dashed var(--line); margin-top: 6px; padding-top: 9px; }
.scenario-details { display: grid; gap: 14px; margin-top: 20px; }
.scenario-table-card { min-width: 0; background: white; border: 1px solid var(--line); border-radius: 15px; padding: 20px; box-shadow: var(--shadow); }
.scenario-table-card h3 { margin: 0 0 13px; }
.table-scroll { max-width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 820px; }
th, td { padding: 10px 12px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-size: 11px; text-transform: uppercase; }
.negative-text { color: var(--red); font-weight: 800; }
.ledger-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.ledger-grid > div { padding: 11px; border-radius: 10px; background: #f5f7f3; }
.ledger-grid span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 3px; }
.ledger-grid strong { font-size: 14px; }
.error-banner { position: sticky; top: 12px; z-index: 5; margin: 0 0 15px; padding: 13px 16px; border-radius: 11px; color: #7f2727; background: #fdeaea; border: 1px solid #f3c5c5; box-shadow: var(--shadow); }
footer { text-align: center; color: var(--muted); padding: 25px; border-top: 1px solid var(--line); }
[hidden] { display: none !important; }
button:disabled, input:disabled, select:disabled { cursor: not-allowed; opacity: .55; }
.quote-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 18px 0; }
.quote-toolbar select { flex: 1; min-width: 120px; max-width: 420px; }
.quote-toolbar select, .quote-toolbar button, .binding-card select, .amount-with-currency select { padding: 9px 10px; border: 1px solid var(--line); background: #f9faf8; color: var(--ink); border-radius: 8px; }
.quote-toolbar button { color: var(--green); }
#quoteEditor .field-grid, #actualInputs .field-grid { margin-top: 16px; }
.quote-preview { padding: 14px; border-radius: 10px; background: var(--green-soft); color: var(--green); overflow-wrap: anywhere; }
.quote-preview.has-errors { background: #fdeaea; color: var(--red); }
.binding-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.binding-card { border: 1px solid var(--line); border-radius: 12px; padding: 16px; min-width: 0; }
.binding-card label { display: block; font-weight: 700; margin-bottom: 8px; }
.binding-card select { width: 100%; }
.binding-card button { margin-top: 10px; }
.binding-card p { overflow-wrap: anywhere; }
#quoteDate { max-width: 440px; }
.amount-with-currency { display: flex; gap: 6px; min-width: 0; }
.amount-with-currency input { min-width: 0; flex: 1; }
.field .amount-with-currency select { width: 80px; flex: 0 0 80px; }
.reconcile-table { min-width: 650px; margin-top: 16px; }
.actual-profit { padding: 22px; background: var(--green-soft); border-radius: 12px; display: grid; gap: 8px; color: var(--green); }
.actual-profit strong { font-size: 32px; overflow-wrap: anywhere; }
.field input[type="checkbox"] { width: 24px; height: 24px; accent-color: var(--green); }
@media (max-width: 760px) { .binding-grid { grid-template-columns: minmax(0, 1fr); } .quote-toolbar select { max-width: 100%; } }
.field, .quick-layout > *, .mode-grid > * { min-width: 0; }
.field select { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; background: #f9faf8; color: var(--ink); }
button:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid #4bba94; outline-offset: 3px; }
.workspace-nav { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 24px; }
#saveStatus { padding: 8px 12px; border-radius: 8px; background: var(--paper); color: var(--muted); font-size: 12px; }
.quick-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 22px; margin-bottom: 22px; }
.quick-input { margin: 0; }
.quick-primary, #dimensionFields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
#directVolumeFields, #weightField { grid-template-columns: minmax(0, 1fr); max-width: 260px; }
.volume-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 22px 0 14px; padding-top: 18px; border-top: 1px solid var(--line); }
.volume-heading h3 { font-size: 16px; margin: 0; }
.volume-heading .field { min-width: 180px; }
.input-note, .result-footnote { color: var(--muted); font-size: 12px; line-height: 1.7; }
.fee-summary { display: flex; flex-direction: column; gap: 4px; background: var(--green-soft); border-radius: 12px; padding: 14px 16px; margin-top: 18px; font-size: 12px; color: var(--green); }
.fee-summary strong { font-size: 13px; }
.quick-profit { padding: 32px; border-top: 5px solid var(--green); height: 100%; display: flex; flex-direction: column; justify-content: center; }
.quick-profit .profit-number { font-size: clamp(32px, 3.6vw, 54px); color: var(--green); line-height: 1.2; margin: 12px 0 8px; overflow-wrap: anywhere; }
.quick-profit .negative { color: var(--red); }
.quick-profit .metric-row { margin: 28px 0; }
.quick-profit .metric { padding: 16px 12px; }
.metric strong { overflow-wrap: anywhere; }
.metric small { display: block; font-size: 11px; color: var(--muted); margin-top: 5px; }
.break-even { display: grid; gap: 3px; border-top: 1px solid var(--line); padding-top: 20px; }
.break-even > span { color: var(--muted); font-size: 12px; }
.break-even strong { font-size: 26px; }
.break-even small, #targetResult small { display: block; color: var(--muted); }
.result-footnote { margin: 22px 0 0; }
.empty-result { min-height: 330px; height: 100%; display: flex; flex-direction: column; justify-content: center; background: #fcfdfb; }
.validation-errors { padding-left: 20px; color: var(--muted); line-height: 2; overflow-wrap: anywhere; }
.disclosure { padding: 0 28px; box-shadow: none; }
.disclosure > summary { cursor: pointer; padding: 22px 0; color: var(--green); }
.disclosure > summary span { margin-left: 7px; font-size: 16px; font-weight: 700; color: var(--ink); }
.disclosure > summary small { float: right; color: var(--muted); font-size: 12px; margin-top: 3px; }
.disclosure[open] { padding-bottom: 26px; }
.disclosure[open] > summary { border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.settings-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 20px; }
.settings-toolbar p { color: var(--muted); font-size: 12px; margin: 0; }
.settings-toolbar button { border: 1px solid var(--green); border-radius: 8px; padding: 9px 12px; flex-shrink: 0; }
.settings-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.delivery-settings { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 20px; }
#deliveryChoice { max-width: 330px; margin-bottom: 16px; }
.target-layout { display: grid; grid-template-columns: minmax(160px, 280px) 1fr; gap: 30px; align-items: start; }
#targetResult strong { font-size: 26px; }
.solver-reason { color: var(--red); font-size: 13px; }
.ledger-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; }
.ledger-row { display: flex; justify-content: space-between; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); align-items: center; }
.ledger-row > div { min-width: 0; }
.ledger-row small { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; overflow-wrap: anywhere; }
.ledger-row strong { flex-shrink: 0; font-variant-numeric: tabular-nums; }
.ledger-row:last-child { color: var(--green); font-weight: 700; }
.compare-price { margin-top: 20px; color: var(--muted); }
.compare-price summary, .scenario-table-card summary { cursor: pointer; }
.compare-price p { font-size: 12px; }
@media (max-width: 1100px) { .field-grid { grid-template-columns: repeat(3, 1fr); } .mode-grid { grid-template-columns: 1fr; } .mode-card .field-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 1100px) { .ledger-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .hero { align-items: flex-start; flex-direction: column; padding-top: 36px; } .hero-actions { justify-content: flex-start; } main { padding: 0 14px 50px; } .panel { padding: 20px; } .field-grid, .risk-grid, .risk-card .field-grid, .mode-card .field-grid { grid-template-columns: 1fr 1fr; } .ledger-grid { grid-template-columns: repeat(2, 1fr); } .section-title, .results-head, .comparison-strip, .resale-toggle { align-items: flex-start; flex-direction: column; } }
@media (max-width: 480px) { .field-grid, .risk-card .field-grid, .mode-card .field-grid { grid-template-columns: 1fr; } .meta-fields { grid-template-columns: 1fr; } }
@media (max-width: 1100px) {
  .hero { align-items: flex-start; flex-direction: column; }
  .hero-actions { justify-content: flex-start; }
  .quick-layout { grid-template-columns: 1.15fr 1fr; }
  .quick-profit { padding: 25px; }
  .quick-primary { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .hero { min-height: auto; padding: 30px 22px 46px; }
  h1 { font-size: clamp(30px, 7vw, 48px); line-height: 1.1; }
  .subtitle { font-size: 14px; }
  .hero-actions { width: 100%; }
  .scheme-picker { width: 100%; }
  .scheme-picker select { min-width: 0; flex: 1; max-width: 220px; }
  .workspace-nav { align-items: flex-start; flex-direction: column; gap: 5px; margin-bottom: 16px; }
  .quick-layout { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .quick-primary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .quick-profit { padding: 24px; }
  .quick-profit .profit-number { font-size: 38px; }
  .quick-input .section-title { flex-direction: row; gap: 10px; }
  .quick-input .section-title small { font-size: 11px; color: var(--muted); }
  .quick-input h2 { font-size: 20px; }
  .disclosure { padding: 0 20px; }
  .disclosure > summary small { display: block; float: none; margin-left: 22px; }
  .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ledger-list { grid-template-columns: minmax(0, 1fr); }
  .target-layout { grid-template-columns: 1fr; gap: 18px; }
  .ledger-row strong { flex-shrink: 1; text-align: right; overflow-wrap: anywhere; }
}
@media (max-width: 480px) {
  .quick-primary { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .volume-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
  #volumeChoice { width: 100%; }
  #directVolumeFields, #weightField { max-width: none; }
  .field input { padding: 11px 10px; }
  .settings-toolbar { align-items: flex-start; flex-direction: column; }
  .quick-profit .metric-row { grid-template-columns: 1fr; }
  .hero-actions button { flex: 1; padding: 9px 10px; }
}