/* 全局样式 - 雕塑定制报价MVP */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #b8860b;
  --primary-dark: #8b6508;
  --primary-light: #f5e6c8;
  --dark: #2d2a26;
  --gray-1: #faf8f5;
  --gray-2: #f0ece6;
  --gray-3: #d9d2c8;
  --gray-4: #8a8278;
  --success: #2e8b57;
  --danger: #c0392b;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(45,42,38,0.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--gray-1);
  color: var(--dark);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

/* 顶部品牌区 */
.brand {
  text-align: center;
  padding: 20px 0 10px;
}
.brand h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 1px;
}
.brand p {
  font-size: 13px;
  color: var(--gray-4);
  margin-top: 4px;
}

/* 步骤指示器 */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 20px 0 28px;
  flex-wrap: wrap;
}
.step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray-4);
}
.step .dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gray-3);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.step.active { color: var(--primary-dark); font-weight: 600; }
.step.active .dot { background: var(--primary); }
.step.done .dot { background: var(--success); }
.step-line {
  width: 30px;
  height: 2px;
  background: var(--gray-3);
}
.step.done + .step-line { background: var(--success); }

/* 卡片 */
.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.card-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-left: 10px;
  border-left: 4px solid var(--primary);
}

/* 表单 */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--dark);
}
.form-label .req { color: var(--danger); margin-left: 2px; }
.form-hint { font-size: 12px; color: var(--gray-4); margin-top: 4px; }

input[type="text"], input[type="number"], input[type="tel"], input[type="date"], select, textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-3);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
  transition: border-color .2s;
  font-family: inherit;
  -webkit-appearance: none;
  appearance: none;
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a8278' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}
textarea { resize: vertical; min-height: 80px; }

/* 选项组 */
.option-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}
.option {
  position: relative;
}
.option input { display: none; }
.option label {
  display: block;
  padding: 12px 10px;
  text-align: center;
  border: 1.5px solid var(--gray-3);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all .2s;
  background: #fff;
}
.option label:hover { border-color: var(--primary-light); }
.option input:checked + label {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}

/* 尺寸输入 */
.size-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.size-row .form-group { margin-bottom: 0; }
.size-unit { font-size: 12px; color: var(--gray-4); text-align: center; margin-top: 4px; }

/* 按钮 */
.btn {
  display: inline-block;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  text-align: center;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 12px rgba(184,134,11,0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(184,134,11,0.4); }
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: #fff;
  color: var(--dark);
  border: 1.5px solid var(--gray-3);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary-dark); }

.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; }

/* 报价摘要 */
.summary-list { margin-bottom: 16px; }
.summary-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--gray-3);
  font-size: 14px;
}
.summary-item:last-child { border-bottom: none; }
.summary-item .label { color: var(--gray-4); }
.summary-item .value { font-weight: 600; text-align: right; max-width: 60%; }

.price-breakdown {
  background: var(--gray-1);
  border-radius: 10px;
  padding: 16px;
  margin: 16px 0;
}
.price-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
  color: var(--gray-4);
}
.price-row.total {
  border-top: 2px solid var(--gray-3);
  margin-top: 8px;
  padding-top: 12px;
  font-size: 16px;
  color: var(--dark);
  font-weight: 600;
}
.price-row.deposit {
  color: var(--primary-dark);
  font-size: 15px;
  font-weight: 600;
}

.big-price {
  text-align: center;
  padding: 20px;
  background: linear-gradient(135deg, var(--primary-light), #fff8e7);
  border-radius: 12px;
  margin: 16px 0;
}
.big-price .label { font-size: 13px; color: var(--gray-4); }
.big-price .amount {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary-dark);
  margin: 6px 0;
}
.big-price .amount small { font-size: 16px; font-weight: 500; }
.big-price .sub { font-size: 12px; color: var(--gray-4); }

/* 支付方式 */
.pay-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}
.pay-card {
  border: 2px solid var(--gray-3);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  background: #fff;
}
.pay-card:hover { border-color: var(--primary-light); }
.pay-card.active { border-color: var(--primary); background: var(--primary-light); }
.pay-card .icon { font-size: 32px; margin-bottom: 6px; }
.pay-card .name { font-size: 14px; font-weight: 600; }

/* 提示框 */
.notice {
  background: #fff8e1;
  border-left: 4px solid var(--primary);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  color: #6b5a2e;
  margin: 16px 0;
  line-height: 1.7;
}
.notice strong { color: var(--primary-dark); }

/* 成功页 */
.success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin: 20px auto;
}

.order-id {
  font-family: monospace;
  background: var(--gray-1);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--gray-4);
  display: inline-block;
  margin: 8px 0;
}

/* ===== 响应式适配 ===== */
/* 平板及以下 */
@media (max-width: 768px) {
  .container { padding: 20px 14px 50px; }
  .brand h1 { font-size: 20px; }
  .brand p { font-size: 12px; }
  .card { padding: 20px; }
  .card-title { font-size: 16px; }
  .steps { gap: 4px; margin: 16px 0 22px; }
  .step { font-size: 12px; }
  .step .dot { width: 24px; height: 24px; font-size: 11px; }
  .step-line { width: 22px; }
  .btn { padding: 13px; font-size: 15px; }
  .big-price .amount { font-size: 32px; }
  .option label { padding: 11px 8px; font-size: 13px; }
}

/* 手机端 */
@media (max-width: 480px) {
  .container { padding: 14px 12px 40px; }
  .brand { padding: 14px 0 6px; }
  .brand h1 { font-size: 18px; letter-spacing: 0.5px; }
  .brand p { font-size: 11px; }
  .card { padding: 16px; border-radius: 10px; }
  .card-title { font-size: 15px; margin-bottom: 12px; padding-left: 8px; }
  .form-group { margin-bottom: 14px; }
  .form-label { font-size: 13px; margin-bottom: 6px; }
  input[type="text"], input[type="number"], input[type="tel"], select, textarea {
    padding: 10px 12px; font-size: 15px; border-radius: 7px;
  }
  textarea { min-height: 70px; }
  .size-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .option-group { gap: 8px; }
  .option label { padding: 10px 6px; font-size: 13px; border-radius: 7px; }
  .btn { padding: 12px; font-size: 15px; border-radius: 9px; }
  .btn-row { gap: 10px; }
  .steps { margin: 14px 0 18px; }
  .step { font-size: 11px; gap: 4px; }
  .step .dot { width: 22px; height: 22px; font-size: 11px; }
  .step-line { width: 16px; }
  .summary-item { font-size: 13px; padding: 8px 0; }
  .price-row { font-size: 13px; padding: 5px 0; }
  .price-row.total { font-size: 15px; }
  .big-price { padding: 16px; }
  .big-price .amount { font-size: 28px; }
  .big-price .amount small { font-size: 14px; }
  .pay-methods { gap: 10px; }
  .pay-card { padding: 14px; }
  .pay-card .icon { font-size: 28px; }
  .pay-card .name { font-size: 13px; }
  .notice { padding: 10px 12px; font-size: 12px; }
  .upload-area { padding: 12px; }
  .upload-hint { padding: 16px 8px; }
  .upload-hint p { font-size: 13px; }
  .upload-preview { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 8px; }
  .preview-item .remove-btn { width: 20px; height: 20px; font-size: 13px; }
}

/* 超小屏 */
@media (max-width: 360px) {
  .container { padding: 12px 10px 36px; }
  .brand h1 { font-size: 16px; }
  .card { padding: 14px; }
  .card-title { font-size: 14px; }
  .option label { font-size: 12px; padding: 9px 4px; }
  .big-price .amount { font-size: 24px; }
  .btn { padding: 11px; font-size: 14px; }
  .upload-preview { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 6px; }
}

/* 图片上传 */
.upload-area {
  border: 2px dashed var(--gray-3);
  border-radius: 10px;
  padding: 16px;
  background: var(--gray-1);
  transition: border-color .2s;
}
.upload-area:hover { border-color: var(--primary-light); }
.upload-hint {
  text-align: center;
  cursor: pointer;
  padding: 20px 10px;
  color: var(--gray-4);
}
.upload-hint p { margin-top: 6px; font-size: 14px; }
.upload-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.preview-item {
  position: relative;
  width: 100%;
  padding-top: 100%;
  border-radius: 8px;
  overflow: hidden;
  background: #eee;
}
.preview-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.preview-item .remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0,0,0,.6);
  color: #fff;
  border: none;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview-count {
  font-size: 12px;
  color: var(--gray-4);
  text-align: center;
  margin-top: 8px;
}

/* ===== 备案信息 ===== */
.beian-footer {
  text-align: center;
  padding: 22px 16px 30px;
  font-size: 12px;
  line-height: 1.6;
  color: #9a948a;
}
.beian-footer a {
  color: #9a948a;
  text-decoration: none;
  transition: color .15s;
}
.beian-footer a:hover {
  color: #8b6f47;
  text-decoration: underline;
}