:root {
  color-scheme: light;
  --ink: #142033;
  --muted: #657286;
  --line: #dce3ec;
  --panel: #ffffff;
  --soft: #f5f7fa;
  --blue: #1f5f99;
  --blue-2: #2f78c4;
  --green: #257761;
  --amber: #b96a18;
  --danger: #9d3b3b;
  --shadow: 0 18px 55px rgba(20, 32, 51, 0.11);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: #eef2f6;
}

button,
input {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  height: 76px;
  padding: 0 28px;
  background: #10263c;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  background: #fff;
  border-radius: 10px;
}

.brand-name {
  font-size: 18px;
  font-weight: 800;
}

.brand-sub {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

.rate-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.rate-badge strong {
  color: #fff;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 22px;
  padding: 24px;
  max-width: 1360px;
  margin: 0 auto;
}

.wizard-workspace {
  display: block;
  max-width: 880px;
  padding-top: 42px;
}

.quote-panel,
.result-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.wizard-panel {
  gap: 18px;
}

.progress {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  box-shadow: 0 1px 0 rgba(20, 32, 51, 0.03);
}

.progress span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.progress-track {
  height: 8px;
  border-radius: 999px;
  background: #e8edf3;
  overflow: hidden;
}

#progressBar {
  width: 25%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--blue-2));
  transition: width 0.22s ease;
}

.section-block,
.result-card,
.breakdown,
.notes {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(20, 32, 51, 0.03);
}

.section-block {
  padding: 20px;
}

.wizard-step {
  min-height: 280px;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.section-head h2,
.breakdown h2,
.notes h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
}

.step {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.segmented.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.segmented.weight-options {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.segmented label {
  cursor: pointer;
}

.segmented input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented span {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: var(--muted);
  font-weight: 700;
  text-align: center;
}

.wizard-step .segmented span {
  min-height: 92px;
  font-size: 18px;
}

.segmented input:checked + span {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}

.segmented small {
  margin-top: 3px;
  font-size: 11px;
  font-weight: 650;
  opacity: 0.78;
}

.sub-head {
  margin-top: 20px;
}

.optional-fields {
  margin-top: 16px;
}

.field-group {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.field-group:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.field-group h3 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 850;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

.field input {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
  outline: none;
}

.field input:focus {
  border-color: var(--blue-2);
  box-shadow: 0 0 0 3px rgba(47, 120, 196, 0.14);
}

.checks,
.addon-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.checks label,
.addon,
.standalone-check {
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 650;
}

.standalone-check strong {
  color: var(--blue);
}

.addon {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 92px;
}

.addon input[type="number"] {
  width: 92px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 8px;
}

.addon small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.hidden {
  display: none;
}

.wizard-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.ghost-btn,
.primary-btn {
  min-height: 42px;
  border-radius: 8px;
  padding: 0 18px;
  cursor: pointer;
  font-weight: 800;
}

.ghost-btn {
  color: var(--blue);
  background: #fff;
  border: 1px solid rgba(31, 95, 153, 0.32);
}

.primary-btn {
  color: #fff;
  background: var(--blue);
  border: 1px solid var(--blue);
}

.result-panel {
  align-self: stretch;
  width: 100%;
}

.result-card {
  padding: 22px;
  background: linear-gradient(160deg, #0f2b45, #17486f);
  color: #fff;
  box-shadow: var(--shadow);
}

.result-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 700;
}

.result-top button {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
}

.total {
  margin-top: 14px;
  font-size: 46px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
}

.hint {
  margin-top: 12px;
  color: #ffd08a;
  font-size: 13px;
  font-weight: 750;
}

.hint.clean {
  color: #a8e6d0;
}

.breakdown,
.notes,
.contact-card {
  padding: 18px;
}

.addon-collapsible {
  padding: 0;
  overflow: hidden;
}

.collapse-trigger {
  width: 100%;
  min-height: 56px;
  border: 0;
  background: #fff;
  color: var(--ink);
  padding: 0 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
}

.collapse-trigger span {
  font-size: 16px;
  font-weight: 850;
}

.collapse-trigger strong {
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.addon-collapse-body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
}

#breakdownRows {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.line-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.line-row:last-child {
  border-bottom: 0;
}

.line-row strong {
  display: block;
  font-size: 13px;
}

.line-row small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.amount {
  font-weight: 850;
}

.manual {
  color: var(--amber);
}

.addon-price-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.inline-selector {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.inline-selector h3 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 850;
}

.addon-price-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.addon-price-card strong {
  display: block;
  font-size: 13px;
}

.addon-price-card span {
  display: block;
  margin-top: 6px;
  color: var(--blue);
  font-size: 18px;
  font-weight: 900;
}

.addon-price-card small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.notes ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.contact-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
}

.contact-card h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 850;
}

.contact-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

#wechatBtn {
  min-width: 210px;
  min-height: 54px;
  border: 1px solid rgba(37, 119, 97, 0.28);
  border-radius: 8px;
  background: #eef8f4;
  color: var(--green);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  padding: 8px 14px;
}

#wechatBtn span {
  font-size: 13px;
  font-weight: 800;
}

#wechatBtn strong {
  font-size: 12px;
  font-weight: 850;
}

.qr-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 180px));
  gap: 16px;
  justify-content: start;
  align-items: start;
}

.qr-card {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  text-align: center;
}

.qr-card img {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  border-radius: 6px;
  background: #fff;
  object-fit: contain;
}

.qr-card figcaption {
  margin-top: 9px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
}

@media (max-width: 960px) {
  .workspace {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .result-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  .topbar {
    height: auto;
    padding: 14px 16px;
  }

  .workspace {
    padding: 12px;
  }

  .segmented,
  .segmented.compact,
  .segmented.weight-options,
  .grid.two,
  .checks,
  .addon-list,
  .addon-price-grid {
    grid-template-columns: 1fr;
  }

  .addon {
    grid-template-columns: 18px minmax(0, 1fr) 82px;
  }

  .total {
    font-size: 38px;
  }

  .contact-card {
    grid-template-columns: 1fr;
  }

  #wechatBtn {
    width: 100%;
  }

  .qr-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}