/* =============================================================
   TINGOX Mobile · 移动端版式重排 + 选规格弹层
   断点：<= 921px 视为手机；>= 922px 弹层降级为居中对话框
   ============================================================= */

/* ---------- tokens ---------- */
:root {
  --txm-ink: #17211d;
  --txm-ink-2: #40504a;
  --txm-muted: #6b7a73;
  --txm-line: #e6e2d8;
  --txm-line-2: #d3cdc0;
  --txm-paper: #ffffff;
  --txm-bg: #f4f2ec;
  --txm-cream: #faf7ef;
  --txm-clay: #bd5735;
  --txm-clay-d: #a8492b;
  --txm-sage: #e8eddb;
  --txm-r: 12px;
  --txm-r-lg: 18px;
  --txm-sh: 0 1px 2px rgba(23, 33, 29, .05);
  --txm-sh-2: 0 -8px 32px rgba(23, 33, 29, .14);
  --txm-safe: env(safe-area-inset-bottom, 0px);
  --txm-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto,
              "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}

@media (max-width: 921px) {

  /* ---------- 基础 ---------- */
  html { -webkit-text-size-adjust: 100%; }
  body {
    font-family: var(--txm-font) !important;
    background: var(--txm-bg) !important;
    color: var(--txm-ink);
    padding-bottom: calc(58px + var(--txm-safe));   /* 让出 Tab 栏 */
  }
  body.single-product { padding-bottom: calc(66px + var(--txm-safe)); }
  h1, h2, h3, h4, .entry-title { font-family: var(--txm-font) !important; letter-spacing: -.02em; }
  .tx h1 { font-size: 34px !important; line-height: 1.1 !important; }
  .tx h2 { font-size: 24px !important; line-height: 1.18 !important; }
  .tx { padding: 0 16px !important; }

  /* 旧版底部加购条与悬浮车：由新的 Tab 栏 + 行动条接管 */
  .tx-mobile-buybar { display: none !important; }
  #moderncart-floating-cart { display: none !important; }

  /* ---------- 头部 ---------- */
  .ast-hfb-header .site-header,
  .ast-primary-header-bar {
    background: var(--txm-paper) !important;
    border-bottom: 1px solid var(--txm-line) !important;
    min-height: 56px;
  }
  .ast-hfb-header .ast-container { padding-inline: 14px !important; }
  .ast-hfb-header .site-title a,
  .ast-hfb-header .site-title {
    font-size: 30px !important;
    letter-spacing: -.05em !important;
  }
  .menu-toggle.main-header-menu-toggle {
    width: 40px; height: 40px;
    border: 0 !important; border-radius: 10px;
    background: transparent !important;
    display: grid; place-items: center;
  }
  .menu-toggle.main-header-menu-toggle svg { width: 22px; height: 22px; }

  /* 移动菜单：分组感 + 子级缩进 */
  .ast-mobile-header-content .main-header-menu .menu-link {
    padding: 15px 18px !important;
    font-size: 15px !important;
    font-weight: 500;
    color: var(--txm-ink) !important;
  }
  .ast-mobile-header-content .main-header-menu > li + li { border-top: 1px solid var(--txm-line); }
  .ast-mobile-header-content .menu-item-has-children > .menu-link::after {
    content: "+"; float: right; color: var(--txm-muted);
  }
  .ast-mobile-header-content .sub-menu .menu-link {
    padding-left: 34px !important;
    font-size: 14px !important;
    color: var(--txm-ink-2) !important;
  }
  .ast-mobile-header-content .ast-menu-toggle { display: none; }

  /* ---------- 公告条 ---------- */
  .tx-banner {
    font-size: 11px !important;
    letter-spacing: .03em !important;
    padding: 8px 14px !important;
    background: var(--txm-ink) !important;
    color: #f5f3ea !important;
  }

  /* ---------- 商品网格 ---------- */
  .woocommerce ul.products {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
    margin: 0 !important;
    padding: 12px !important;
  }
  .woocommerce ul.products::before,
  .woocommerce ul.products::after { display: none !important; }
  .woocommerce ul.products li.product {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    background: var(--txm-paper);
    border: 1px solid var(--txm-line);
    border-radius: var(--txm-r);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--txm-sh);
  }
  .woocommerce ul.products li.product a img {
    aspect-ratio: 1 / 1.22;
    object-fit: cover;
    width: 100%;
    border-radius: 0;
    margin: 0 !important;
  }
  .woocommerce ul.products li.product .woocommerce-loop-product__title {
    font-size: 13px !important;
    line-height: 1.42 !important;
    font-weight: 500;
    padding: 9px 10px 0 !important;
    margin: 0 !important;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; min-height: 2.84em;
  }
  .woocommerce ul.products li.product .price {
    font-size: 15px !important;
    font-weight: 700;
    color: var(--txm-clay) !important;
    padding: 5px 10px 0 !important;
    margin: 0 !important;
  }
  .woocommerce ul.products li.product .button,
  .woocommerce ul.products li.product .tx-open-sku-btn {
    margin: 9px 10px 11px !important;
    width: calc(100% - 20px) !important;
    padding: 10px 8px !important;
    font-size: 12.5px !important;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
    border-radius: 9px !important;
    background: var(--txm-ink) !important;
    color: #fff !important;
    border: 0 !important;
    line-height: 1.2 !important;
  }
  .woocommerce ul.products li.product .ast-on-card-button { display: none !important; }

  /* ---------- 商品详情 ---------- */
  body.single-product { background: var(--txm-bg) !important; }
  .single-product .site-content > .ast-container { padding: 0 !important; }
  .single-product #primary { margin: 0 !important; }

  .single-product div.product > div.images {
    background: var(--txm-paper);
    margin: 0 0 8px !important;
    padding: 0 !important;
  }
  .single-product div.product .woocommerce-product-gallery__image img {
    border-radius: 0 !important;
    aspect-ratio: 1 / 1.02;
    object-fit: cover;
  }
  .single-product .woocommerce-product-gallery__trigger { display: none !important; }
  .single-product div.images .flex-control-thumbs {
    display: flex; gap: 8px;
    padding: 10px 12px !important;
    margin: 0 !important;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .single-product div.images .flex-control-thumbs::-webkit-scrollbar { display: none; }
  .single-product div.images .flex-control-thumbs li { width: 54px !important; flex: 0 0 54px; }
  .single-product div.images .flex-control-thumbs li img {
    width: 54px !important; height: 54px !important;
    border-radius: 8px; object-fit: cover;
    border: 1px solid var(--txm-line);
  }

  .single-product div.product > div.summary {
    background: var(--txm-paper);
    margin: 0 0 8px !important;
    padding: 14px;
    box-sizing: border-box;
  }
  .single-product div.product .product_title {
    font-size: 17px !important;
    line-height: 1.4 !important;
    font-weight: 600;
    margin: 0 0 8px !important;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  }
  .single-product div.product .summary p.price,
  .single-product div.product .summary .price ins {
    font-size: 27px !important;
    font-weight: 700 !important;
    color: var(--txm-clay) !important;
    background: none !important;
    padding: 0 !important;
    margin: 0 0 10px !important;
    display: inline-flex; align-items: baseline; gap: 8px;
  }
  .single-product div.product .summary .price del { font-size: 15px !important; color: var(--txm-muted) !important; }
  .single-product .woocommerce-product-details__short-description,
  .single-product .woocommerce-product-details__short-description p {
    font-size: 13px !important;
    line-height: 1.62 !important;
    color: var(--txm-ink-2) !important;
    margin: 0 0 12px !important;
  }

  /* 规格入口行（淘宝式） */
  .tx-sku-row {
    display: flex; align-items: center; gap: 10px;
    width: 100%;
    margin: 4px 0 14px;
    padding: 13px 12px;
    background: var(--txm-cream);
    border: 1px solid var(--txm-line);
    border-radius: 10px;
    font-family: inherit; font-size: 13.5px; text-align: left;
    cursor: pointer;
  }
  .tx-sku-row-label { color: var(--txm-muted); flex: 0 0 auto; }
  .tx-sku-row-value {
    flex: 1; min-width: 0;
    color: var(--txm-ink); font-weight: 500;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .tx-sku-row em { font-style: normal; font-size: 20px; color: var(--txm-line-2); line-height: 1; }

  /* 详情页里原生变体表单在手机上隐藏（由弹层取代）。
     只在 JS 就绪时生效：万一脚本没加载，原生表单仍可下单。 */
  .tx-js .single-product form.variations_form { display: none !important; }
  .tx-js .single-product .woocommerce-variation-add-to-cart,
  .tx-js .single-product form.cart:not(.variations_form) { display: none !important; }

  /* 阶梯价 / 服务承诺 */
  .single-product .tx-tier-note {
    background: var(--txm-sage) !important;
    border: 0 !important;
    border-radius: 10px;
    padding: 12px 12px !important;
    font-size: 12.5px !important;
    line-height: 1.55;
  }

  /* Tabs / 描述 */
  .woocommerce div.product .woocommerce-tabs ul.tabs {
    background: var(--txm-paper);
    margin: 8px 0 0 !important;
    padding: 0 12px !important;
    display: flex; gap: 18px;
    overflow-x: auto;
    border-bottom: 1px solid var(--txm-line);
  }
  .woocommerce div.product .woocommerce-tabs ul.tabs li { margin: 0 !important; }
  .woocommerce div.product .woocommerce-tabs ul.tabs li a {
    padding: 13px 0 !important;
    font-size: 12.5px !important;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--txm-muted) !important;
    white-space: nowrap;
  }
  .woocommerce div.product .woocommerce-tabs ul.tabs li.active a {
    color: var(--txm-ink) !important;
    box-shadow: inset 0 -2px 0 var(--txm-ink);
  }
  .woocommerce div.product .woocommerce-tabs .panel {
    background: var(--txm-paper);
    padding: 14px !important;
    font-size: 13.5px;
    line-height: 1.65;
    color: var(--txm-ink-2);
  }
  .single-product #tab-description ul {
    list-style: none; padding: 0; margin: 0;
  }
  .single-product #tab-description ul li {
    padding: 9px 0;
    border-bottom: 1px solid var(--txm-line);
    font-size: 13px;
  }
  .tx-attr-more {
    display: inline-block; margin-top: 12px;
    font-size: 13px; font-weight: 600;
    color: var(--txm-clay);
    text-decoration: underline; text-underline-offset: 3px;
    cursor: pointer;
  }

  /* ---------- 购物车 ---------- */
  .woocommerce-cart .woocommerce,
  .woocommerce-cart .ast-woocommerce-container { padding: 12px !important; }
  .woocommerce table.shop_table {
    border: 0 !important;
    background: var(--txm-paper);
    border-radius: var(--txm-r);
    overflow: hidden;
  }
  .woocommerce table.shop_table td { padding: 12px !important; font-size: 13px; }
  .wp-block-woocommerce-empty-cart-block .with-empty-cart-icon::before,
  .wp-block-woocommerce-empty-cart-block .with-empty-cart-icon::after { display: none !important; }
  .wp-block-woocommerce-empty-cart-block {
    padding: 26px 18px !important;
    margin: 0 0 20px !important;
    border-radius: var(--txm-r-lg) !important;
  }
  .wp-block-woocommerce-empty-cart-block .wc-block-cart__empty-cart__title { font-size: 18px !important; }
  .wc-block-grid.has-4-columns .wc-block-grid__products {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }
  .wc-block-grid__product-title { font-size: 13px !important; line-height: 1.42 !important; }

  /* ---------- 页脚 ---------- */
  .tx-footer { padding: 34px 18px calc(28px + var(--txm-safe)) !important; }
  .tx-footer-inner {
    grid-template-columns: 1fr 1fr !important;
    gap: 24px 16px !important;
  }
  .tx-footer-inner > div:first-child { grid-column: 1 / -1; }
  .tx-footer a { padding: 6px 0 !important; margin: 0 !important; font-size: 13px !important; }

  /* ---------- Tab 栏 ---------- */
  .tx-tabbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000;
    display: grid; grid-template-columns: repeat(4, 1fr);
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(1.6) blur(12px);
    border-top: 1px solid var(--txm-line);
    padding: 6px 0 calc(4px + var(--txm-safe));
  }
  .tx-tab {
    position: relative;
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    padding: 5px 0 4px;
    font-size: 10.5px; letter-spacing: .01em;
    color: var(--txm-muted);
    text-decoration: none !important;
  }
  .tx-tab svg {
    width: 21px; height: 21px;
    fill: none; stroke: currentColor; stroke-width: 1.6;
    stroke-linecap: round; stroke-linejoin: round;
  }
  .tx-tab.is-active { color: var(--txm-ink); }
  .tx-tab.is-active svg { stroke-width: 2; }
  .tx-tab-count {
    position: absolute; top: 0; left: 50%; margin-left: 6px;
    min-width: 16px; height: 16px; padding: 0 4px;
    border-radius: 99px;
    background: var(--txm-clay); color: #fff;
    font-size: 10px; font-style: normal; font-weight: 700; line-height: 16px;
    text-align: center;
  }
  .tx-tab-count[hidden] { display: none; }

  /* ---------- 商品页行动条 ---------- */
  .tx-actbar {
    position: fixed; left: 0; right: 0; bottom: calc(58px + var(--txm-safe));
    z-index: 8900;
    display: grid; grid-template-columns: 1fr 1.25fr; gap: 10px;
    padding: 9px 12px;
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--txm-line);
  }
  .tx-actbar button {
    height: 46px;
    border-radius: 10px;
    font-family: inherit; font-size: 14px; font-weight: 600;
    letter-spacing: .01em;
    cursor: pointer;
  }
  .tx-act-ghost {
    background: var(--txm-cream);
    border: 1px solid var(--txm-ink);
    color: var(--txm-ink);
  }
  .tx-act-buy {
    background: var(--txm-clay);
    border: 1px solid var(--txm-clay);
    color: #fff;
  }
  body.single-product { padding-bottom: calc(124px + var(--txm-safe)) !important; }
}

/* =============================================================
   选规格弹层（手机底部抽屉 / 桌面居中对话框）
   ============================================================= */
.tx-sheet-root { position: fixed; inset: 0; z-index: 99999; }
.tx-sheet-root[hidden] { display: none; }

.tx-sheet-backdrop {
  position: absolute; inset: 0;
  background: rgba(15, 22, 19, .48);
  opacity: 0; transition: opacity .24s ease;
}
.tx-sheet-root.is-open .tx-sheet-backdrop { opacity: 1; }

.tx-sheet {
  position: absolute; left: 0; right: 0; bottom: 0;
  max-height: 86vh;
  display: flex; flex-direction: column;
  background: var(--txm-paper, #fff);
  border-radius: 20px 20px 0 0;
  box-shadow: var(--txm-sh-2, 0 -8px 32px rgba(0, 0, 0, .18));
  transform: translateY(102%);
  transition: transform .3s cubic-bezier(.22, .61, .36, 1);
  font-family: var(--txm-font, -apple-system, "Segoe UI", sans-serif);
  overflow: hidden;
}
.tx-sheet-root.is-open .tx-sheet { transform: translateY(0); }

.tx-sheet-grab {
  flex: 0 0 auto; padding: 8px 0 2px; display: grid; place-items: center;
}
.tx-sheet-grab i { width: 38px; height: 4px; border-radius: 99px; background: var(--txm-line-2); }

.tx-sheet-head {
  position: relative;
  display: flex; gap: 12px;
  padding: 10px 14px 14px;
  border-bottom: 1px solid var(--txm-line);
}
.tx-sheet-thumb {
  width: 84px; height: 84px; flex: 0 0 84px;
  border-radius: 10px; object-fit: cover;
  background: var(--txm-cream); border: 1px solid var(--txm-line);
}
.tx-sheet-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; gap: 4px; }
.tx-sheet-price {
  font-size: 22px; font-weight: 700; color: var(--txm-clay);
  line-height: 1.1;
}
.tx-sheet-price del { font-size: 13px; font-weight: 400; color: var(--txm-muted); margin-left: 6px; }
.tx-sheet-sel { font-size: 12.5px; color: var(--txm-ink-2); line-height: 1.4; }
.tx-sheet-stock { font-size: 12px; color: var(--txm-muted); }
.tx-sheet-stock.is-out { color: var(--txm-clay); }
.tx-sheet-close {
  position: absolute; top: 6px; right: 8px;
  width: 34px; height: 34px;
  border: 0; background: transparent;
  font-size: 22px; line-height: 1; color: var(--txm-muted);
  cursor: pointer; border-radius: 50%;
}

.tx-sheet-body {
  flex: 1 1 auto; overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 6px 14px 4px;
}
.tx-group { padding: 12px 0; border-bottom: 1px solid var(--txm-line); }
.tx-group:last-child { border-bottom: 0; }
.tx-group-title {
  font-size: 12.5px; font-weight: 600; color: var(--txm-ink);
  margin: 0 0 10px; letter-spacing: .01em;
}
.tx-group-title span { font-weight: 400; color: var(--txm-muted); margin-left: 6px; }

.tx-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.tx-opt {
  position: relative;
  min-width: 56px; min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--txm-line-2);
  border-radius: 9px;
  background: var(--txm-paper, #fff);
  color: var(--txm-ink);
  font-family: inherit; font-size: 13px; font-weight: 500;
  line-height: 1.2; cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
}
.tx-opt.is-active {
  border-color: var(--txm-ink);
  background: var(--txm-ink);
  color: #fff;
}
.tx-opt.is-off {
  color: #b9b3a6;
  border-style: dashed;
  cursor: not-allowed;
  background: #faf9f5;
}
.tx-opt.is-off::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to bottom right, transparent 47%, #d9d3c6 47%,
              #d9d3c6 53%, transparent 53%);
  border-radius: 9px; pointer-events: none;
}

/* 图片色块 */
.tx-opt.is-image {
  padding: 3px;
  min-width: 0; min-height: 0;
  width: 62px;
}
.tx-opt.is-image img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  border-radius: 6px; display: block;
}
.tx-opt.is-image .tx-opt-name {
  display: block; font-size: 10.5px; text-align: center;
  padding: 4px 0 2px; color: inherit;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tx-opt.is-image.is-active { box-shadow: inset 0 0 0 1px var(--txm-ink); }

.tx-qty-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0 6px;
  border-bottom: 1px solid var(--txm-line);
}
.tx-qty-row > span { font-size: 13px; font-weight: 600; }
.tx-qty { display: flex; align-items: center; border: 1px solid var(--txm-line-2); border-radius: 9px; overflow: hidden; }
.tx-qty button {
  width: 42px; height: 38px;
  border: 0; background: var(--txm-cream);
  font-size: 18px; line-height: 1; color: var(--txm-ink);
  cursor: pointer;
}
.tx-qty button:disabled { color: #c9c3b6; cursor: not-allowed; }
.tx-qty input {
  width: 46px; height: 38px; border: 0; text-align: center;
  font-family: inherit; font-size: 14px; font-weight: 600;
  background: #fff; color: var(--txm-ink);
  -moz-appearance: textfield;
}
.tx-qty input::-webkit-outer-spin-button,
.tx-qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.tx-sheet-foot {
  flex: 0 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  padding: 12px 14px calc(12px + var(--txm-safe));
  border-top: 1px solid var(--txm-line);
  background: #fff;
}
.tx-sheet-foot button {
  height: 48px; border-radius: 10px;
  font-family: inherit; font-size: 14.5px; font-weight: 600;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
}
.tx-sheet-foot button:active { transform: scale(.985); }
.tx-btn-cart { background: var(--txm-cream); border: 1px solid var(--txm-ink); color: var(--txm-ink); }
.tx-btn-buy { background: var(--txm-clay); border: 1px solid var(--txm-clay); color: #fff; }
.tx-sheet-foot button[disabled] {
  opacity: .45; cursor: not-allowed;
  background: var(--txm-line) !important; border-color: var(--txm-line) !important; color: #fff !important;
}

/* 桌面：降级成居中对话框 */
@media (min-width: 922px) {
  .tx-sheet {
    left: 50%; right: auto; bottom: auto; top: 50%;
    width: 460px; max-height: 82vh;
    border-radius: 18px;
    transform: translate(-50%, -46%) scale(.98);
    opacity: 0;
    transition: transform .22s ease, opacity .22s ease;
  }
  .tx-sheet-root.is-open .tx-sheet { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  .tx-sheet-grab { display: none; }
  .tx-sheet-head { padding-top: 18px; }
}

/* ---------- toast ---------- */
.tx-toast {
  position: fixed; left: 50%; bottom: calc(78px + var(--txm-safe));
  transform: translate(-50%, 12px);
  z-index: 100001;
  max-width: calc(100vw - 32px);
  padding: 11px 16px;
  border-radius: 10px;
  background: rgba(23, 33, 29, .94);
  color: #fff; font-size: 13px; line-height: 1.4;
  font-family: var(--txm-font, sans-serif);
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
}
.tx-toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* 弹层打开时锁滚动 */
body.tx-sheet-lock { overflow: hidden !important; }

/* 桌面不需要这些移动端构件 */
@media (min-width: 922px) {
  .tx-tabbar, .tx-actbar, .tx-sku-row { display: none !important; }
}