/* 官网商品选购页。版式对照星云云 /cart/goods.htm：步骤条 → 返回+标题 → 当前产品条 →
   购买须知 → 配置分组（左标签右选项）→ 底部固定操作栏。 */
.goods-main { padding: 36px 0 120px; background: #fff; }
.goods-shell { padding: 40px 32px 60px; border: 1px solid #e6ebf2; background: #fff; }

.goods-steps { display: flex; align-items: center; gap: 0; margin: 0 0 26px; padding: 0; list-style: none; color: #9aa7b8; font-size: 13px; }
.goods-steps li { display: flex; align-items: center; gap: 6px; }
.goods-steps li b { font-weight: 700; font-size: 12px; }
.goods-steps li.is-active { color: var(--blue); }
.goods-steps li + li::before { content: ""; width: 40px; height: 1px; margin: 0 12px; background: #e1e6ee; }

.goods-head { display: flex; align-items: flex-start; gap: 22px; padding-bottom: 22px; border-bottom: 1px solid #eef1f5; }
.goods-back { margin-top: 8px; color: #5f6b85; font-size: 14px; white-space: nowrap; }
.goods-back:hover { color: var(--blue); }
.goods-title { margin: 0; font-size: 18px; font-weight: 700; color: #1f2d3d; }
.goods-sub { margin: 6px 0 0; color: #8794a5; font-size: 13px; }

.goods-current { display: flex; align-items: center; gap: 60px; margin: 22px 0 24px; padding: 16px 20px; background: #f6f9fd; border: 1px solid #e7edf5; }
.goods-current small { display: block; margin-bottom: 6px; color: #8794a5; font-size: 12px; }
.goods-current strong { color: #1f2d3d; font-size: 14px; }
.goods-current-tip { margin-left: auto; color: #8794a5; font-size: 12px; }

.goods-notice { padding: 18px 20px 16px; border: 1px solid #e7edf5; }
.goods-notice-head { display: flex; gap: 10px; align-items: flex-start; }
.goods-notice-icon { width: 16px; height: 18px; margin-top: 1px; border: 1.5px solid var(--blue); border-radius: 2px; position: relative; }
.goods-notice-icon::before, .goods-notice-icon::after { content: ""; position: absolute; left: 3px; right: 3px; height: 1.5px; background: var(--blue); }
.goods-notice-icon::before { top: 5px; } .goods-notice-icon::after { top: 9px; }
.goods-notice-head strong { font-size: 13px; color: #1f2d3d; }
.goods-notice-head p { margin: 4px 0 0; color: #8794a5; font-size: 12px; }
.goods-notice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 16px; }
.goods-notice-grid > div { padding-left: 12px; border-left: 1px solid #e7edf5; }
.goods-notice-grid strong { font-size: 12px; color: #1f2d3d; }
.goods-notice-grid p { margin: 4px 0 0; color: #8794a5; font-size: 12px; }

.goods-name { margin: 28px 0 4px; font-size: 22px; font-weight: 400; color: #1f2d3d; }
.goods-desc { margin: 0 0 18px; color: #8794a5; font-size: 13px; }
.goods-tabs { display: flex; border-bottom: 1px solid #e6ebf2; margin-bottom: 22px; }
.goods-tabs span { padding: 10px 22px; color: #5f6b85; font-size: 14px; }
.goods-tabs span.is-active { color: var(--blue); border-bottom: 2px solid var(--blue); }

.goods-group { margin-bottom: 20px; }
.goods-group-title { margin: 0 0 18px; padding-left: 10px; border-left: 3px solid var(--blue); font-size: 14px; font-weight: 600; color: #1f2d3d; line-height: 1; }
.goods-row { display: flex; align-items: flex-start; gap: 16px; margin: 0 0 26px 22px; }
.goods-row > label { flex: 0 0 100px; padding-top: 6px; color: #1f2d3d; font-size: 13px; }
.goods-row-hint { width: 100%; margin: 6px 0 0; color: #a5b0bf; font-size: 11px; }
.goods-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.goods-opt { min-width: 100px; padding: 5px 16px; min-height: 30px; line-height: 18px; text-align: center; border: 1px solid #dfe5ee; background: #fff; color: #1f2d3d; font-size: 13px; cursor: pointer; transition: all .15s; }
.goods-opt:hover { border-color: var(--blue); color: var(--blue); }
.goods-opt.is-active { border-color: var(--blue); background: #e9f2ff; color: var(--blue); }
.goods-opt small { display: block; color: #a5b0bf; font-size: 10px; line-height: 12px; }
.goods-opt.is-active small { color: #6ea4f0; }
.goods-input { height: 30px; padding: 0 10px; border: 1px solid #dfe5ee; font-size: 13px; width: 220px; }
.goods-input:focus { border-color: var(--blue); outline: none; }

.goods-qty { display: inline-flex; border: 1px solid #dfe5ee; }
.goods-qty button { width: 30px; height: 30px; border: 0; background: #f6f8fb; color: #5f6b85; font-size: 16px; cursor: pointer; }
.goods-qty button:hover { color: var(--blue); }
.goods-qty input { width: 56px; height: 30px; border: 0; border-left: 1px solid #dfe5ee; border-right: 1px solid #dfe5ee; text-align: center; font-size: 13px; -moz-appearance: textfield; }
.goods-qty input::-webkit-outer-spin-button, .goods-qty input::-webkit-inner-spin-button { -webkit-appearance: none; }
.goods-qty-sm button, .goods-qty-sm input { height: 34px; }

.goods-empty { padding: 60px 0; text-align: center; }
.goods-empty strong { display: block; margin-bottom: 8px; font-size: 16px; color: #1f2d3d; }
.goods-empty p { margin: 0 0 18px; color: #8794a5; font-size: 13px; }

/* 底部操作栏 */
.goods-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: #fff; border-top: 1px solid #e6ebf2; box-shadow: 0 -8px 24px rgba(31,45,61,.06); }
.goods-bar-inner { display: flex; align-items: center; gap: 28px; min-height: 72px; }
.goods-bar-field { display: flex; align-items: center; gap: 12px; }
.goods-bar-field label { color: #5f6b85; font-size: 12px; }
.goods-bar-field select { height: 34px; min-width: 120px; padding: 0 10px; border: 1px solid #dfe5ee; background: #fff; font-size: 13px; color: #1f2d3d; }
.goods-bar-summary { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.goods-bar-link { color: #1f2d3d; font-size: 12px; text-decoration: underline; text-underline-offset: 3px; }
.goods-bar-sep { width: 1px; height: 16px; background: #e1e6ee; }
.goods-price { color: #f53f3f; font-size: 13px; }
.goods-price b { font-size: 22px; font-weight: 700; }
.goods-coupon-tag { padding: 1px 6px; border: 1px solid #ffb340; color: #f58700; background: #fff7e6; font-size: 10px; }
.goods-bar-actions { display: flex; align-items: center; gap: 10px; margin-left: 16px; }
.goods-btn { display: inline-flex; align-items: center; justify-content: center; height: 38px; padding: 0 34px; border: 1px solid var(--blue); color: var(--blue); font-size: 14px; background: #fff; cursor: pointer; transition: all .15s; }
.goods-btn-primary { background: var(--blue); color: #fff; }
.goods-btn-primary:hover { background: #005be0; }
.goods-btn-cart { width: 46px; padding: 0; }
.goods-btn-cart::before { content: ""; width: 18px; height: 18px; background: currentColor; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 4h2l2.4 11.2a1 1 0 0 0 1 .8h9.6a1 1 0 0 0 1-.8L21 8H6.5'/%3E%3Ccircle cx='9.5' cy='20' r='1.3'/%3E%3Ccircle cx='17.5' cy='20' r='1.3'/%3E%3C/svg%3E") center/contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 4h2l2.4 11.2a1 1 0 0 0 1 .8h9.6a1 1 0 0 0 1-.8L21 8H6.5'/%3E%3Ccircle cx='9.5' cy='20' r='1.3'/%3E%3Ccircle cx='17.5' cy='20' r='1.3'/%3E%3C/svg%3E") center/contain no-repeat; }
.goods-summary-pop { position: absolute; right: 0; bottom: 100%; width: 360px; margin: 0 0 8px; padding: 16px 18px; background: #fff; border: 1px solid #e6ebf2; box-shadow: 0 12px 30px rgba(31,45,61,.12); font-size: 12px; }
.goods-summary-pop dl { display: grid; grid-template-columns: 90px 1fr; gap: 8px 12px; margin: 0; }
.goods-summary-pop dt { color: #8794a5; } .goods-summary-pop dd { margin: 0; color: #1f2d3d; }
.goods-bar .page-shell { position: relative; }

@media (max-width: 900px) {
  .goods-shell { padding: 24px 16px 40px; }
  .goods-current { flex-wrap: wrap; gap: 16px 30px; }
  .goods-current-tip { display: none; }
  .goods-notice-grid { grid-template-columns: 1fr; }
  .goods-row { flex-direction: column; gap: 8px; margin-left: 0; }
  .goods-bar-inner { flex-wrap: wrap; gap: 10px 16px; padding: 10px 0; }
  .goods-bar-field label { display: none; }
  .goods-bar-summary { margin-left: 0; width: 100%; }
  .goods-bar-actions { margin-left: auto; }
  .goods-summary-pop { width: calc(100vw - 32px); }
}