/* ============================================================
 * KT AUTO · C2M 试算模块样式（独立站版）
 * 沿用站点设计系统：亮色 / 品牌绿 #4BA82E / 圆角 12-14px / 系统字体
 * 与 assets/blog.css 的 navbar / footer / cta 共用，勿重复定义。
 * ============================================================ */

.c2m-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 48px;
}
.c2m-hero {
  background: linear-gradient(135deg, #f8fdf4 0%, #e8f5e0 100%);
  padding: 44px 24px 38px;
  text-align: center;
}
.c2m-hero h1 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  color: var(--kt-black, #1a1a1a);
  margin-bottom: 10px;
  line-height: 1.2;
}
.c2m-hero p {
  color: var(--kt-gray-700, #4a4a4a);
  max-width: 620px;
  margin: 0 auto;
  font-size: 16px;
}

/* ---- 模式切换 ---- */
.c2m-tabs {
  display: inline-flex;
  gap: 4px;
  background: #fff;
  border: 1px solid var(--kt-gray-300, #ddd);
  border-radius: 10px;
  padding: 4px;
  margin: 22px auto 0;
}
.c2m-tabs button {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  color: var(--kt-gray-700, #4a4a4a);
  padding: 9px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .18s, color .18s;
}
.c2m-tabs button.on {
  background: #4BA82E;
  color: #fff;
}

/* ---- 双栏布局 ---- */
.c2m-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
  align-items: start;
}
@media (max-width: 900px) {
  .c2m-grid { grid-template-columns: 1fr; }
  .c2m-wrap { padding: 0 16px 40px; }
  .c2m-hero { padding: 32px 16px 28px; }
}

.c2m-card {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .09);
  border-radius: 14px;
  padding: 20px 22px 22px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
}
.c2m-card > h2 {
  font-size: 17px;
  font-weight: 800;
  color: var(--kt-black, #1a1a1a);
  margin-bottom: 4px;
}
.c2m-card .c2m-sub {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 16px;
}

/* ---- 表单 ---- */
.c2m-field { margin-bottom: 14px; }
.c2m-field > label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--kt-gray-700, #4a4a4a);
  margin-bottom: 6px;
}
.c2m-field input,
.c2m-field select {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  font-family: inherit;
  color: #2a2a2a;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .22);
  border-radius: 8px;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}
.c2m-field input:focus,
.c2m-field select:focus {
  border-color: #4BA82E;
  box-shadow: 0 0 0 3px rgba(75, 168, 46, .15);
}
.c2m-field input[readonly] {
  background: #f7f9f6;
  color: #4a4a4a;
  cursor: not-allowed;
}
.c2m-hint {
  font-size: 12px;
  color: #6b7280;
  margin-top: 5px;
  line-height: 1.5;
}
.c2m-lock {
  display: inline-block;
  font-size: 12px;
  color: #4BA82E;
  font-weight: 700;
  margin-left: 6px;
}
.c2m-row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 520px) { .c2m-row2 { grid-template-columns: 1fr; } }

.c2m-check {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: var(--kt-gray-900, #2a2a2a);
  cursor: pointer;
  user-select: none;
  margin: 4px 0 2px;
}
.c2m-check input { width: 17px; height: 17px; accent-color: #4BA82E; cursor: pointer; }

/* ---- 结果表 ---- */
.c2m-sec {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #4BA82E;
  margin: 20px 0 8px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(75, 168, 46, .25);
}
.c2m-sec:first-child { margin-top: 0; }
.c2m-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(0, 0, 0, .07);
}
.c2m-line .nm { font-size: 14px; color: var(--kt-gray-900, #2a2a2a); }
.c2m-line .nm small {
  display: block;
  font-size: 12px;
  color: #6b7280;
  margin-top: 2px;
  line-height: 1.45;
}
.c2m-line .vl {
  font-size: 15px;
  font-weight: 700;
  color: var(--kt-black, #1a1a1a);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.c2m-line.dim .nm, .c2m-line.dim .vl { color: #9ca3af; }
.c2m-line.total {
  background: rgba(75, 168, 46, .08);
  border-bottom: 0;
  border-radius: 8px;
  padding: 12px 12px;
  margin-top: 4px;
}
.c2m-line.total .nm { font-weight: 700; }
.c2m-line.total .vl { font-size: 19px; color: #3d8c25; }
.c2m-line.grand .vl { font-size: 22px; }

/* ---- 准入自检 ---- */
.c2m-checks { margin-top: 6px; }
.c2m-chk {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.5;
  padding: 7px 0;
  color: var(--kt-gray-900, #2a2a2a);
}
.c2m-chk .ic {
  flex: 0 0 18px;
  width: 18px; height: 18px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  margin-top: 1px;
}
.c2m-chk.pass .ic { background: #4BA82E; }
.c2m-chk.fail .ic { background: #d92d20; }
.c2m-chk.warn .ic { background: #e08a00; }
.c2m-blocked {
  background: rgba(217, 45, 32, .08);
  border-left: 3px solid #d92d20;
  color: #8f2019;
  font-size: 13.5px;
  line-height: 1.55;
  padding: 11px 13px;
  border-radius: 6px;
  margin-top: 10px;
}
.c2m-note {
  background: rgba(75, 168, 46, .07);
  border-left: 3px solid #4BA82E;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--kt-gray-700, #4a4a4a);
  padding: 11px 13px;
  border-radius: 6px;
  margin-top: 12px;
}

/* 海运费红字提示：费用实时变动 / 40HQ 装几台 */
.c2m-shipnote {
  background: rgba(226, 58, 46, .06);
  border-left: 3px solid #E23A2E;
  font-size: 13px;
  line-height: 1.55;
  color: #E23A2E;
  padding: 10px 12px;
  border-radius: 6px;
  margin-top: 10px;
}
.c2m-shipnote div + div { margin-top: 4px; }

/* ---- 计价标准面板 ---- */
.c2m-std {
  margin-top: 16px;
  border: 1px solid rgba(0, 0, 0, .1);
  border-radius: 10px;
  overflow: hidden;
}
.c2m-std > summary {
  cursor: pointer;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
  color: #3d8c25;
  background: #f7fbf5;
  list-style: none;
}
.c2m-std > summary::-webkit-details-marker { display: none; }
.c2m-std > summary::after { content: ' ▾'; }
.c2m-std[open] > summary::after { content: ' ▴'; }
.c2m-std .bd { padding: 4px 16px 16px; }
.c2m-std table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 8px 0; }
.c2m-std th, .c2m-std td {
  text-align: left; padding: 7px 8px;
  border-bottom: 1px solid rgba(0, 0, 0, .07);
}
.c2m-std th { color: #6b7280; font-weight: 600; width: 52%; }
.c2m-std td { font-variant-numeric: tabular-nums; }
.c2m-std tr.sum td { font-weight: 800; color: #3d8c25; }
.c2m-std .tier { color: #4a4a4a; }
.c2m-std .tier td:last-child { font-weight: 700; color: #2a2a2a; }

/* ---- 按钮 ---- */
.c2m-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.c2m-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}
.c2m-btn.primary { background: #4BA82E; color: #fff; }
.c2m-btn.primary:hover { background: #3d8c25; }
.c2m-btn.ghost {
  background: #fff;
  color: #3d8c25;
  border-color: rgba(75, 168, 46, .45);
}
.c2m-btn.ghost:hover { background: #e8f5e0; }
.c2m-btn.wa { background: #25D366; color: #fff; }
.c2m-btn.wa:hover { background: #1ebe5b; }

/* ---- 免责 ---- */
.c2m-desc {
  font-size: 12.5px;
  color: #6b7280;
  line-height: 1.65;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, .08);
}

/* ---- 语言条 ---- */
.c2m-langs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 18px;
  flex-wrap: wrap;
}
.c2m-langs button {
  appearance: none;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, .15);
  background: #fff;
  color: #4a4a4a;
  cursor: pointer;
}
.c2m-langs button.on { background: #4BA82E; color: #fff; border-color: #4BA82E; }

/* ---- 车源页内联模块 ---- */
.c2m-inline {
  margin: 28px 0 8px;
  border: 1px solid rgba(0, 0, 0, .09);
  border-radius: 14px;
  padding: 20px 22px 22px;
  background: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
}
.c2m-inline h2 { margin-bottom: 4px; }