/* ==================== 车辆价值评估系统 ==================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #1a5276;
  --primary-light: #2980b9;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #2c3e50;
  --text-muted: #7f8c8d;
  --border: #e0e6ed;
  --green: #27ae60;
  --red: #e74c3c;
  --orange: #f39c12;
  --blue: #2980b9;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding-bottom: 40px;
  overflow-x: hidden;  /* 防止任何子元素溢出导致整页横向滚动 */
}

/* ==================== 头部 ==================== */
.cv-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  padding: 18px 0 42px;
}
.cv-header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.cv-back {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
}
.cv-back:hover { color: #fff; }
.cv-header-text h1 { font-size: 22px; font-weight: 700; }
.cv-header-text p { font-size: 12px; opacity: .8; }

/* ==================== 卡片 ==================== */
.cv-card {
  background: var(--card);
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,.05);
  padding: 24px 26px;
  margin: -28px auto 20px;
  max-width: 900px;
  overflow-x: hidden;  /* 防止表格/长内容撑破边界 */
}
section > .cv-card { margin-top: -28px; }
section:not(:first-of-type) > .cv-card { margin-top: 0; }
.cv-result > .cv-card { margin-top: 0; }

.cv-card-title { font-size: 17px; font-weight: 700; margin-bottom: 6px; color: var(--primary); }
.cv-card-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 18px; }
.cv-block-title { font-size: 15px; font-weight: 700; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); color: var(--primary); }

/* ==================== 行驶证拍照识别 ==================== */
.cv-ocr-box {
  background: linear-gradient(135deg, #f0f7ff, #faf5ef);
  border: 1.5px dashed #a8c6e8;
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 18px;
}
.cv-ocr-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.cv-ocr-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: #1a5276; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.cv-ocr-head-text b { font-size: 14.5px; color: var(--primary); display: block; }
.cv-ocr-head-text p { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.cv-ocr-btns { display: flex; gap: 10px; }
.cv-btn-ocr, .cv-btn-ocr2 {
  flex: 1; padding: 10px 8px; border: none; border-radius: 8px;
  font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit;
}
.cv-btn-ocr { background: #1a5276; color: #fff; }
.cv-btn-ocr:hover { background: #21618c; }
.cv-btn-ocr2 { background: #fff; color: #1a5276; border: 1.5px solid #1a5276; }
.cv-btn-ocr2:hover { background: #eaf2fa; }
.cv-ocr-status {
  margin-top: 12px; padding: 9px 12px; border-radius: 8px;
  background: #fef9e7; color: #b7950b; font-size: 13px; text-align: center;
}
.cv-ocr-result {
  margin-top: 12px; background: #fff; border-radius: 8px;
  padding: 12px 14px; border: 1px solid #d5e8f5;
}
.cv-ocr-result-title { font-size: 13.5px; font-weight: 700; color: #1e8449; margin-bottom: 10px; }
.cv-ocr-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px 12px;
}
.cv-ocr-item { display: flex; flex-direction: column; gap: 2px; }
.cv-ocr-item span { font-size: 11px; color: var(--text-muted); }
.cv-ocr-item b { font-size: 13.5px; color: var(--text); font-weight: 600; word-break: break-all; }
.cv-ocr-note { margin-top: 10px; font-size: 12px; color: var(--text-muted); }

/* VIN 解析参数展示 */
.cv-vin-row {
  display: flex; gap: 8px; align-items: stretch;
}
.cv-vin-row input {
  flex: 1; min-width: 0;
  padding: 9px 12px; border: 1.5px solid #b5d8f5; border-radius: 8px;
  font-size: 14px; font-family: 'Courier New', monospace;
  letter-spacing: 1px; text-transform: uppercase; color: #1a5276;
}
.cv-vin-row input:focus {
  outline: none; border-color: #1a5276; box-shadow: 0 0 0 3px rgba(26,82,118,.12);
}
.cv-btn-vin {
  flex-shrink: 0; padding: 9px 20px;
  background: #1a5276; color: #fff; border: none; border-radius: 8px;
  font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: background .15s;
}
.cv-btn-vin:hover { background: #21618c; }
.cv-btn-vin:disabled { background: #aaa; cursor: not-allowed; }

.cv-vin-info {
  background: #eaf6ff;
  border: 1px solid #b5d8f5;
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 4px;
}
.cv-vin-info-title {
  font-size: 13px; font-weight: 700; color: #1a5276; margin-bottom: 10px;
}
.cv-vin-info-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px 12px;
}
.cv-vin-info-item { display: flex; flex-direction: column; gap: 2px; }
.cv-vin-info-item span { font-size: 11px; color: #5d8fa8; }
.cv-vin-info-item b { font-size: 13px; color: #1a5276; font-weight: 600; }

/* ==================== 表单 ==================== */
.cv-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
  margin-bottom: 14px;
}
.cv-field { display: flex; flex-direction: column; }
.cv-field label {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.cv-field input, .cv-field select {
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
  transition: border-color .2s;
}
.cv-field input:focus, .cv-field select:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(41,128,185,.1);
}
.cv-field-tip { font-size: 11.5px; color: var(--text-muted); margin-top: 4px; }

/* 段选择器 */
.cv-seg {
  display: flex;
  gap: 8px;
  background: #f0f3f6;
  padding: 4px;
  border-radius: 8px;
}
.cv-seg button {
  flex: 1;
  padding: 9px 6px;
  border: none;
  border-radius: 6px;
  background: transparent;
  font-size: 13.5px;
  font-family: inherit;
  cursor: pointer;
  color: var(--text-muted);
  transition: all .2s;
}
.cv-seg button.active {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 1px 4px rgba(0,0,0,.1);
}

/* 按钮 */
.cv-btn {
  display: inline-block;
  padding: 10px 24px;
  border: 1.5px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}
.cv-btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
}
.cv-btn-primary:hover { opacity: .92; transform: translateY(-1px); }
.cv-btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}
.cv-btn-outline:hover { border-color: var(--primary-light); color: var(--primary); }
.cv-btn-lg { font-size: 15px; padding: 12px 32px; }
.cv-actions { text-align: center; margin-top: 20px; }

/* ==================== 结果区 ==================== */
.cv-toolbar {
  max-width: 900px;
  margin: -28px auto 14px;
  display: flex;
  gap: 10px;
  justify-content: flex-start;
  position: relative;
  z-index: 5;
}
section > .cv-card:first-child { margin-top: -28px; }

/* 估值卡片 */
.cv-value-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}
.cv-vcard {
  border-radius: 10px;
  padding: 16px 14px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cv-vcard .v-label { font-size: 12.5px; color: #fff; opacity: .9; margin-bottom: 6px; }
.cv-vcard .v-value { font-size: 24px; font-weight: 800; color: #fff; line-height: 1.2; }
.cv-vcard .v-value small { font-size: 13px; font-weight: 600; }
.cv-vcard .v-range { font-size: 11.5px; color: rgba(255,255,255,.75); margin-top: 5px; }
.cv-vcard.v-retail { background: linear-gradient(135deg, #1a5276, #2980b9); }
.cv-vcard.v-trade  { background: linear-gradient(135deg, #7d3c98, #a569bd); }
.cv-vcard.v-loan   { background: linear-gradient(135deg, #b03a2e, #e74c3c); }
.cv-value-note { font-size: 11.5px; color: var(--text-muted); text-align: center; }

/* 图表 */
.cv-chart-wrap { padding: 8px 0; }
.cv-chart-wrap svg { width: 100%; height: auto; max-width: 860px; margin: 0 auto; display: block; }

/* 明细表 */
.cv-detail-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  table-layout: fixed;        /* 列宽可控，避免nowrap撑破表格 */
}
.cv-detail-table th, .cv-detail-table td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  overflow-wrap: anywhere;    /* 长内容自动换行，不溢出单元格 */
  word-break: break-word;
}
.cv-detail-table th { color: var(--text-muted); font-weight: 600; background: #f8fafc; font-size: 12px; }
.cv-detail-table td:last-child, .cv-detail-table th:last-child { text-align: right; }
.cv-detail-table col.c-col1 { width: 22%; }
.cv-detail-table col.c-col2 { width: 36%; }
.cv-detail-table col.c-col3 { width: 16%; }
.cv-detail-table col.c-col4 { width: 26%; }
.cv-adj-pos { color: var(--green); font-weight: 600; }
.cv-adj-neg { color: var(--red); font-weight: 600; }
.cv-adj-zero { color: var(--text-muted); }

/* 评估报告 */
.cv-report-card { line-height: 1.85; font-size: 14px; }
.cv-report p { margin-bottom: 10px; }
.cv-report .rpt-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin: 0 3px;
}
.rpt-tag.red { background: #fdebea; color: #c0392b; }
.rpt-tag.green { background: #eafaf1; color: #1e8449; }
.rpt-tag.blue { background: #eaf2fa; color: #1a5276; }
.rpt-tag.orange { background: #fef5e7; color: #d35400; }
.rpt-tag.gray { background: #f0f0f0; color: #7f8c8d; }
.cv-report .rpt-conclusion {
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13.5px;
}
.rpt-conclusion.good { background: #eafaf1; color: #1e8449; border: 1px solid #abebc6; }
.rpt-conclusion.normal { background: #fef9e7; color: #b7950b; border: 1px solid #f5e1a0; }
.rpt-conclusion.bad { background: #fdebea; color: #c0392b; border: 1px solid #f5b7b1; }

/* 底部操作区 */
.cv-bottom-actions {
  max-width: 900px;
  margin: 18px auto 0;
  display: flex;
  gap: 10px;
}
.cv-bottom-actions .cv-btn { flex: 1; text-align: center; }

/* Toast */
.cv-toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(44,62,80,.92);
  color: #fff;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 13.5px;
  opacity: 0;
  pointer-events: none;
  transition: all .3s;
  z-index: 999;
  max-width: 90vw;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cv-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.cv-toast.error { background: rgba(192,57,43,.95); }
.cv-toast.success { background: rgba(30,132,73,.95); }

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
  .cv-header { padding: 14px 0 38px; }
  .cv-header-inner { flex-direction: column; text-align: center; gap: 6px; }
  .cv-header-text h1 { font-size: 19px; }
  .cv-header-text p { font-size: 11px; }
  .cv-card { padding: 14px 13px; margin: -26px 12px 12px; max-width: none; }
  section > .cv-card:first-child { margin-top: -26px; }
  .cv-toolbar { margin: -26px 12px 10px; flex-wrap: wrap; }
  .cv-toolbar .cv-btn { padding: 8px 14px; font-size: 12.5px; }
  .cv-form-grid { grid-template-columns: 1fr 1fr; gap: 10px 10px; }
  .cv-vin-info-grid { grid-template-columns: 1fr 1fr; }
  .cv-btn-vin { padding: 9px 14px; font-size: 12.5px; }
  .cv-field input, .cv-field select { padding: 9px 10px; font-size: 13px; }
  .cv-seg button { padding: 8px 4px; font-size: 12.5px; }
  .cv-value-cards { grid-template-columns: 1fr; gap: 10px; }
  .cv-vcard { padding: 13px 12px; }
  .cv-vcard .v-value { font-size: 21px; }
  .cv-report-card { font-size: 13px; line-height: 1.7; }
  .cv-detail-table th, .cv-detail-table td { padding: 7px 8px; font-size: 12px; }
  .cv-bottom-actions { margin: 14px 12px 0; }
  .cv-btn-lg { font-size: 14px; padding: 11px 26px; }
}
@media (max-width: 480px) {
  .cv-form-grid { grid-template-columns: 1fr; }
  .cv-seg { flex-wrap: wrap; }
  .cv-seg button { flex: 1 1 45%; }
  .cv-ocr-box { padding: 12px 12px; }
  .cv-ocr-btns { flex-direction: column; }
  .cv-ocr-grid { grid-template-columns: 1fr 1fr; }
}
@media print {
  .cv-toolbar, .cv-bottom-actions, .cv-back, .cv-actions { display: none; }
  body { padding: 0; background: #fff; }
  .cv-card { box-shadow: none; border: 1px solid #ddd; margin: 10px auto; }
}

/* ========== 合规免责声明 ========== */
.cv-disclaimer {
  margin: 18px 2px 0;
  padding: 12px 14px;
  background: #fafafa;
  border-radius: 8px;
  font-size: 11.5px;
  line-height: 1.8;
  color: #9aa0ab;
}