/* ===== 商品内页 · 白色苹果风 ===== */
.page-product {
  background: #e8f4fc;
}

.product-main {
  flex: 1;
  padding: 32px 24px 48px;
  min-height: calc(100vh - 140px);
}

.product-wrap {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  align-items: start;
}

/* ----- 左侧品牌区 ----- */
.product-brand {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: sticky;
  top: 80px;
}

.product-brand-label {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
  background: linear-gradient(135deg, #0071e3 0%, #c41e3a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.02em;
}

.product-brand-name {
  margin: 0 0 8px;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-brand-name-text {
  background: linear-gradient(135deg, #0071e3 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-brand-sparkle {
  font-size: 1.5rem;
  background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-brand-desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* ----- 右侧详情与表单 ----- */
.product-detail {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px 36px 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.product-info {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.product-title {
  margin: 0 0 6px;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
}

.product-subtitle {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.product-badges {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.product-badge-item {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  padding: 4px 10px;
  background: var(--bg);
  border-radius: 6px;
}

.product-share {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.product-share:hover {
  background: var(--bg);
  color: var(--text);
}

.product-price-large {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  color: #248a3d;
  letter-spacing: -0.02em;
}

/* ----- 商品详情文案 ----- */
.product-content {
  padding-bottom: 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.product-lead {
  margin: 0 0 24px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.product-section {
  margin-bottom: 22px;
}
.product-section:last-child {
  margin-bottom: 0;
}

.product-section-title {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.product-list {
  margin: 0;
  padding-left: 1.25em;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.product-list li {
  margin-bottom: 6px;
}
.product-list li:last-child {
  margin-bottom: 0;
}
.product-list strong {
  color: var(--text);
  font-weight: 600;
}

.product-para {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ----- 表单 ----- */
.product-form .form-row {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
}

.form-input {
  width: 100%;
  max-width: 360px;
  padding: 12px 16px;
  font: inherit;
  font-size: 0.9375rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.form-input::placeholder {
  color: var(--text-tertiary);
}

.form-type-option {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  cursor: default;
  transition: border-color var(--transition), background var(--transition);
}
.form-type-option--active {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
  border-color: rgba(139, 92, 246, 0.3);
  color: var(--text);
}
.form-type-price {
  font-weight: 600;
  color: #248a3d;
}

/* 数量选择器 */
.quantity-selector {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
}

.quantity-btn {
  width: 44px;
  height: 44px;
  border: none;
  background: linear-gradient(135deg, #fce7f3 0%, #ede9fe 100%);
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), opacity var(--transition);
}
.quantity-btn:hover {
  background: linear-gradient(135deg, #fbcfe8 0%, #ddd6fe 100%);
}
.quantity-btn:active {
  opacity: 0.85;
}
.quantity-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.quantity-input {
  width: 56px;
  height: 44px;
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  font: inherit;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  color: var(--text);
  background: var(--bg-card);
  -moz-appearance: textfield;
}
.quantity-input::-webkit-outer-spin-button,
.quantity-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* 批发数量 */
.form-row--wholesale .form-label {
  margin-bottom: 10px;
}

.wholesale-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
}

.wholesale-list li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}
.wholesale-qty {
  color: #248a3d;
  font-weight: 600;
  margin-right: 4px;
}
.wholesale-price {
  color: var(--text-tertiary);
  margin-left: 4px;
}

/* 人机验证 */
.captcha-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.captcha-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 44px;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 100%);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text);
  user-select: none;
}

.form-input--captcha {
  width: 120px;
  max-width: none;
  text-transform: lowercase;
}

.captcha-refresh {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  font-size: 1.25rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.captcha-refresh:hover {
  background: var(--bg);
  color: var(--primary);
}

/* 提交按钮 */
.btn-submit {
  width: 100%;
  max-width: 360px;
  margin-top: 8px;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--transition), transform 0.15s ease;
}
.btn-submit:hover {
  background: var(--primary-hover);
  color: #fff;
  text-decoration: none;
}
.btn-submit:active {
  transform: scale(0.99);
}

/* ----- 响应式 ----- */
@media (max-width: 768px) {
  .product-wrap {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .product-brand {
    position: static;
    padding: 28px 24px;
    text-align: center;
  }

  .product-brand-name {
    justify-content: center;
  }

  .product-detail {
    padding: 24px 20px 32px;
  }

  .product-title {
    font-size: 1rem;
  }

  .product-price-large {
    font-size: 1.75rem;
  }

  .form-input,
  .form-input--captcha {
    max-width: none;
  }

  .btn-submit {
    max-width: none;
  }
}