/**
 * 农资智能换算中心 — 与站点深绿 / 米白风格一致，PC 双栏 + 移动单栏
 */
:root {
  --acc-green: #1a4d2e;
  --acc-green-mid: #2d7a4e;
  --acc-green-soft: #e8f4ec;
  --acc-cream: #fbf7ef;
  --acc-gold: #c9962a;
  --acc-orange: #e67e22;
  --acc-border: #d4e8d8;
  --acc-text: #1c1c1c;
  --acc-muted: #5c6b62;
  --acc-danger: #c0392b;
  --acc-radius: 14px;
  --acc-shadow: 0 4px 24px rgba(26, 77, 46, 0.08);
}

.acc-page {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: linear-gradient(180deg, #eef4f0 0%, #f5f7f5 40%, #fafcfa 100%);
  color: var(--acc-text);
  margin: 0;
  line-height: 1.55;
  min-height: 100vh;
  padding-bottom: 72px;
  overflow-x: hidden;
}

.acc-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 16px 48px;
  box-sizing: border-box;
}

.acc-hero {
  background: linear-gradient(135deg, var(--acc-green) 0%, #245c38 55%, var(--acc-green-mid) 100%);
  color: #fff;
  border-radius: var(--acc-radius);
  padding: 22px 22px 20px;
  margin-bottom: 16px;
  box-shadow: var(--acc-shadow);
}
.acc-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.15rem, 4vw, 1.65rem);
  font-weight: 800;
  letter-spacing: 0.02em;
}
.acc-hero p {
  margin: 0;
  font-size: 13px;
  opacity: 0.92;
  line-height: 1.7;
  max-width: 920px;
}

.acc-scenarios {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 4px 2px 12px;
  margin-bottom: 8px;
  scroll-snap-type: x proximity;
}
.acc-scenarios::-webkit-scrollbar {
  height: 4px;
}
.acc-scenarios::-webkit-scrollbar-thumb {
  background: rgba(45, 122, 78, 0.35);
  border-radius: 4px;
}
.acc-sc-btn {
  flex: 0 0 auto;
  scroll-snap-align: start;
  border: 1px solid var(--acc-border);
  background: #fff;
  color: var(--acc-green);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  min-height: 44px;
  box-sizing: border-box;
}
.acc-sc-btn:hover {
  background: var(--acc-green-soft);
  border-color: var(--acc-green-mid);
}
.acc-sc-btn:active {
  transform: scale(0.98);
}

.acc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 20px;
  align-items: stretch;
}

@media (max-width: 960px) {
  .acc-layout {
    grid-template-columns: 1fr;
  }
}

.acc-col-form {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 100%;
}

.acc-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.acc-tab {
  border: 1px solid var(--acc-border);
  background: #fff;
  color: var(--acc-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  min-height: 44px;
  transition: 0.2s;
}
.acc-tab:hover {
  border-color: var(--acc-green-mid);
  color: var(--acc-green);
}
.acc-tab.active {
  background: var(--acc-green);
  color: #fff;
  border-color: var(--acc-green);
}

.acc-panel {
  display: none;
  background: #fff;
  border-radius: var(--acc-radius);
  border: 1px solid var(--acc-border);
  padding: 18px 18px 20px;
  box-shadow: var(--acc-shadow);
}
.acc-panel.active {
  display: block;
}

.acc-field {
  margin-bottom: 14px;
}
.acc-field label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--acc-green);
  margin-bottom: 6px;
}
.acc-field .acc-sub {
  font-weight: 400;
  color: var(--acc-muted);
  font-size: 11px;
  margin-left: 4px;
}
.acc-field input,
.acc-field select,
.acc-field textarea {
  width: 100%;
  padding: 12px 12px;
  border: 1px solid var(--acc-border);
  border-radius: 10px;
  font-size: 15px;
  box-sizing: border-box;
  background: #fafcfa;
  min-height: 46px;
}
.acc-field textarea {
  min-height: 72px;
  resize: vertical;
}
.acc-field input:focus,
.acc-field select:focus,
.acc-field textarea:focus {
  outline: none;
  border-color: var(--acc-green-mid);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(45, 122, 78, 0.12);
}

.acc-grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 520px) {
  .acc-grid2 {
    grid-template-columns: 1fr;
  }
}

.acc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
  align-items: center;
}
.acc-btn-primary {
  background: linear-gradient(135deg, var(--acc-green), var(--acc-green-mid));
  color: #fff;
  border: none;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  min-height: 46px;
  min-width: 100px;
}
.acc-btn-primary:hover {
  filter: brightness(1.05);
}
.acc-btn-ghost {
  background: #fff;
  border: 1px solid var(--acc-border);
  color: var(--acc-green);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
}
.acc-btn-gold {
  background: linear-gradient(135deg, var(--acc-gold), #e8b84b);
  color: #1a1a1a;
  border: none;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  min-height: 44px;
}

.acc-hint {
  font-size: 12px;
  color: var(--acc-muted);
  margin-top: 6px;
  line-height: 1.6;
}

.acc-crop-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--acc-cream);
  border: 1px dashed var(--acc-gold);
  border-radius: 10px;
  font-size: 12px;
  color: #4a3d20;
  line-height: 1.5;
}

.acc-alert {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #fff5f0;
  border: 1px solid #f5cdb8;
  color: #a04000;
  font-size: 13px;
}

/* 右侧结果：与左侧表单列顶对齐、同高拉伸，减少右下留白 */
.acc-results {
  position: static;
  background: #fff;
  border-radius: var(--acc-radius);
  border: 1px solid var(--acc-border);
  padding: 16px;
  box-shadow: var(--acc-shadow);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  box-sizing: border-box;
}
.acc-results .acc-script {
  flex: 1;
  min-height: 140px;
  max-height: none;
  margin-top: 12px;
}
@media (max-width: 960px) {
  .acc-results .acc-script {
    min-height: 100px;
  }
}

.acc-results h3 {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--acc-green);
  font-weight: 800;
}

.acc-kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
@media (max-width: 400px) {
  .acc-kpi-grid {
    grid-template-columns: 1fr;
  }
}

.acc-kpi {
  background: var(--acc-green-soft);
  border: 1px solid #cfe8d6;
  border-radius: 12px;
  padding: 12px;
}
.acc-kpi .k {
  font-size: 11px;
  color: var(--acc-muted);
  font-weight: 600;
  margin-bottom: 4px;
}
.acc-kpi .v {
  font-size: 18px;
  font-weight: 800;
  color: var(--acc-green);
  word-break: break-all;
}
.acc-kpi .v small {
  font-size: 12px;
  font-weight: 600;
  color: var(--acc-orange);
}

.acc-script {
  margin-top: 14px;
  padding: 12px;
  background: var(--acc-cream);
  border-radius: 10px;
  border: 1px solid #ead9b8;
  font-size: 13px;
  line-height: 1.75;
  white-space: pre-wrap;
  color: #3d3420;
  max-height: 220px;
  overflow-y: auto;
}

.acc-toast {
  position: fixed;
  bottom: 88px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(26, 77, 46, 0.95);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  max-width: 90vw;
  text-align: center;
}
.acc-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.acc-product-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.acc-product-row select {
  flex: 1;
  min-width: 160px;
}