/* SKU detail layout fallback: the single-language theme header no longer loads common.css. */
.page-container {
    max-width: 1296px;
    margin: 0 auto;
    padding: 0 16px;
}

.content-area {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-top: 20px;
    margin-bottom: 30px;
}

.content-area > .sidebar {
    flex: 0 0 288px;
}

@media (max-width: 1023px) {
    .content-area {
        flex-direction: column;
    }

    .content-area > .sidebar {
        flex-basis: auto;
        width: 100%;
    }
}

.breadcrumb {
    background-color: white;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    padding: 12px 20px;
    margin: 20px auto;
    max-width: 1296px;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
}

.breadcrumb-item {
    margin-right: 5px;
    font-size: 0.85rem;
}

.breadcrumb-item:not(:last-child)::after {
    content: "/";
    margin-left: 5px;
    color: #aaa;
}

.breadcrumb-link {
    color: #555;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-link:hover {
    color: var(--color-primary);
}

.product-detail-container {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    margin-bottom: 30px;
    flex: 1;
}

.product-basic-section {
    display: flex;
    flex-wrap: wrap;
    padding: 25px;
    gap: 25px;
}

.product-image-container {
    flex: 1;
    min-width: 300px;
    max-width: 450px;
}

.product-image {
    width: 100%;
}

.product-info-container {
    flex: 2;
    min-width: 300px;
}

.product-header {
    margin-bottom: 20px;
}

.product-title {
    font-size: 1.5rem;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.badge {
    background-color: var(--color-primary);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-green {
    background-color: var(--color-primary);
}

.product-stock {
    font-size: 0.9rem;
    color: #666;
}

.stock-count {
    color: var(--price-color);
    font-weight: 600;
    margin: 0 5px;
}

.product-price-section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 6px;
}

.price-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
}

.current-price {
    font-size: 1.5rem;
    color: var(--price-color);
    font-weight: 700;
    margin-right: 10px;
}

.original-price {
    font-size: 1rem;
    color: #999;
    text-decoration: line-through;
}

.wholesale-prices {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #eee;
}

.wholesale-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 10px;
}

.wholesale-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.wholesale-badge {
    background-color: var(--price-color);
    color: white;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.specification-section {
    margin-bottom: 25px;
}

.specification-title {
    font-size: 0.95rem;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 12px;
}

.specification-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 0;
}

.specification-item {
    margin-bottom: 8px;
    position: relative;
}

.specification-item .spec-stock {
    position: absolute;
    right: -1px;
    top: -10px;
    height: 18px;
    background: linear-gradient(133deg, rgb(217, 0, 255) 1%, rgb(255, 89, 0) 100%);
    border-radius: 6px 6px 0 6px;
    text-align: center;
    color: rgb(255, 255, 255);
    font-size: 12px;
    line-height: 18px;
    padding: 0 9px;
    white-space: nowrap;
}

.specification-item .out-stock {
    background: #bdc3c7;
}

.specification-link {
    display: block;
    padding: 8px 50px 8px 16px;
    background-color: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    position: relative;
    width: 100%;
}

.specification-link:hover {
    background-color: var(--color-primary-bg);
    border-color: var(--color-primary);
}

.specification-item.active .specification-link {
    background-color: var(--color-primary-bg);
    border-color: var(--color-primary);
    color: #444;
    font-weight: 500;
}

.specification-price {
    color: var(--price-color);
    font-weight: 600;
    margin-left: 5px;
}

.purchase-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: border-color 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-btn {
    width: 32px;
    height: 32px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.quantity-btn:hover {
    background-color: #eef7ff;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.quantity-input {
    width: 80px;
    text-align: center;
    padding: 8px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.btn {
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-align: center;
    flex: 1;
}

.btn-buy {
    background-color: var(--color-primary);
    color: white;
}

.btn-buy:hover {
    background-color: #27ae60;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(52, 152, 219, 0.2);
}

.btn-subscribe {
    background-color: var(--color-primary);
    color: white;
}

.btn-subscribe:hover {
    background-color: #27ae60;
    transform: translateY(-1px);
}

.product-content-section {
    padding: 25px;
    border-top: 1px solid #f0f0f0;
}

.content-section-title {
    font-size: 1.2rem;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-primary);
}

.product-description {
    line-height: 1.6;
    color: #444;
    margin-bottom: 20px;
}

.product-description p {
    margin-bottom: 15px;
}

.features-list {
    list-style: none;
    margin-bottom: 20px;
}

.feature-item {
    padding: 8px 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-icon {
    color: var(--color-primary);
    font-size: 0.9rem;
}

.notice-list {
    list-style: none;
    margin-bottom: 20px;
}

.notice-item {
    padding: 8px 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    align-items: center;
    gap: 10px;
}

.notice-item:last-child {
    border-bottom: none;
}

.notice-icon {
    color: var(--price-color);
    font-size: 0.9rem;
}
.seo-breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;width:100%;box-sizing:border-box;margin:12px auto 0;padding:10px 14px;border:1px solid #e6e8eb;border-radius:8px;background:#f8fafc;color:#5b6774;font-size:13px;line-height:1.5;}
.seo-breadcrumbs a{color:#5b6774;text-decoration:none;}
.seo-breadcrumbs a:hover{color:var(--color-primary);}
.seo-breadcrumbs .sep{color:#aab2bd;}
.seo-breadcrumbs .active{color:#111827;font-weight:600;}
#kf-pdp-enhance .kf-pdp-tabs__nav.layui-tab-title { height: auto; margin: 0; border-bottom: none; }
#kf-pdp-enhance .kf-pdp-tabs__nav.layui-tab-title li.kf-pdp-tab { height: auto; line-height: 1.4; margin: 0; padding: 13px 16px; border: 0; }
#kf-pdp-enhance .kf-pdp-tabs__nav.layui-tab-title li.kf-pdp-tab::after { display: none; }
#kf-pdp-enhance .kf-pdp-tabs__nav.layui-tab-title li.kf-pdp-tab.layui-this { color: var(--kf-pdp-primary-dark); border-bottom:3px solid var(--kf-pdp-primary-dark); }
#kf-pdp-enhance .kf-pdp-tabs__nav.layui-tab-title li.kf-pdp-tab.layui-this:after { display: block; left: 14px; right: 14px; bottom: -1px; height: 2px; border: 0; border-radius: 2px; background: var(--kf-pdp-primary); }
#kf-pdp-enhance .kf-pdp-tabs__body.layui-tab-content { padding: 22px 20px 24px; }
#kf-pdp-enhance .kf-pdp-tabs__body .kf-pdp-panel.layui-tab-item { display: none; padding: 0; }
#kf-pdp-enhance .kf-pdp-tabs__body .kf-pdp-panel.layui-tab-item.layui-show { display: block; animation: kf-pdp-fade .28s ease both; }

#kf-pdp-enhance {
  --kf-pdp-primary: #20c180;
  --kf-pdp-primary-dark: #119d64;
  --kf-pdp-primary-bg: #f2fdf9;
  --kf-pdp-price: #f50;
  --kf-pdp-text: #333333;
  --kf-pdp-muted: #666666;
  --kf-pdp-light: #888888;
  --kf-pdp-border: #eaeaea;
  --kf-pdp-border-light: #f0f0f0;
  --kf-pdp-bg-soft: #f8f9fa;
  --kf-pdp-radius: 12px;
  --kf-pdp-radius-sm: 8px;
  --kf-pdp-shadow-sm: 0 2px 10px rgba(0, 0, 0, .06);

  width: 100%;
  max-width: 100%;
  margin: 24px 0 0;
  font-family: inherit;
  font-size: 14px;
  color: var(--kf-pdp-text);
  line-height: 1.65;
  background: #ffffff;
  border-top: 1px solid var(--kf-pdp-border);
  overflow: hidden;
  box-sizing: border-box;
}
#kf-pdp-enhance,
#kf-pdp-enhance *,
#kf-pdp-enhance *::before,
#kf-pdp-enhance *::after { box-sizing: border-box; }
#kf-pdp-enhance h2,
#kf-pdp-enhance h3,
#kf-pdp-enhance p,
#kf-pdp-enhance ul,
#kf-pdp-enhance li,
#kf-pdp-enhance ol { margin: 0; padding: 0; }
#kf-pdp-enhance ul,
#kf-pdp-enhance ol { list-style: none; }
#kf-pdp-enhance a { text-decoration: none; color: inherit; }
#kf-pdp-enhance button { font-family: inherit; }
#kf-pdp-enhance svg { display: block; }

#kf-pdp-enhance .kf-pdp-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   Tab 结构
   ========================================================================== */
#kf-pdp-enhance .kf-pdp-tabs { width: 100%; }

#kf-pdp-enhance .kf-pdp-tabs__nav {
  display: flex;
  gap: 2px;
  padding: 0 8px;
  border-bottom: 1px solid var(--kf-pdp-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
#kf-pdp-enhance .kf-pdp-tabs__nav::-webkit-scrollbar { display: none; }

#kf-pdp-enhance .kf-pdp-tab {
  position: relative;
  flex: 0 0 auto;
  padding: 13px 16px;
  border: 0;
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  color: var(--kf-pdp-muted);
  white-space: nowrap;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: color .2s ease;
}
#kf-pdp-enhance .kf-pdp-tab::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  border-radius: 2px;
  background: var(--kf-pdp-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .24s ease;
}
#kf-pdp-enhance .kf-pdp-tab:hover { color: var(--kf-pdp-primary-dark); }
#kf-pdp-enhance .kf-pdp-tab.kf-is-active { color: var(--kf-pdp-primary-dark); }
#kf-pdp-enhance .kf-pdp-tab.kf-is-active::after { transform: scaleX(1); }
#kf-pdp-enhance .kf-pdp-tab:focus-visible {
  outline: 2px solid var(--kf-pdp-primary);
  outline-offset: -3px;
  border-radius: 6px;
}

#kf-pdp-enhance .kf-pdp-tabs__body { padding: 22px 20px 24px; }

#kf-pdp-enhance .kf-pdp-panel { display: none; }
#kf-pdp-enhance .kf-pdp-panel.kf-is-active {
  display: block;
  animation: kf-pdp-fade .28s ease both;
}
#kf-pdp-enhance .kf-pdp-panel:focus { outline: none; }

@keyframes kf-pdp-fade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

#kf-pdp-enhance .kf-pdp-panel__lead {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--kf-pdp-muted);
  margin-bottom: 16px;
}

/* ---------- 产品详情占位区 ---------- */
#kf-pdp-enhance .kf-pdp-desc-slot {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--kf-pdp-muted);
  word-break: break-word;
}
#kf-pdp-enhance .kf-pdp-desc-slot img {
  max-width: 100%;
  height: auto;
  border-radius: var(--kf-pdp-radius-sm);
}
#kf-pdp-enhance .kf-pdp-desc-slot p { margin-bottom: 10px; }
#kf-pdp-enhance .kf-pdp-desc-slot p:last-child { margin-bottom: 0; }
#kf-pdp-enhance .kf-pdp-desc-slot table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
#kf-pdp-enhance .kf-pdp-desc-slot td,
#kf-pdp-enhance .kf-pdp-desc-slot th {
  padding: 8px 10px;
  border: 1px solid var(--kf-pdp-border-light);
}
#kf-pdp-enhance .kf-pdp-desc-empty {
  padding: 16px 18px;
  background: var(--kf-pdp-bg-soft);
  border: 1px dashed var(--kf-pdp-border);
  border-radius: var(--kf-pdp-radius-sm);
  color: var(--kf-pdp-light);
  font-size: 13px;
  line-height: 1.75;
}

/* ==========================================================================
   发货格式
   ========================================================================== */
#kf-pdp-enhance .kf-pdp-format-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
#kf-pdp-enhance .kf-pdp-format-item {
  padding: 12px 14px;
  background: var(--kf-pdp-bg-soft);
  border: 1px solid var(--kf-pdp-border-light);
  border-radius: var(--kf-pdp-radius-sm);
}
#kf-pdp-enhance .kf-pdp-format-item__label {
  display: block;
  font-size: 12px;
  color: var(--kf-pdp-light);
  margin-bottom: 4px;
}
#kf-pdp-enhance .kf-pdp-format-item__value {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--kf-pdp-text);
}
#kf-pdp-enhance .kf-pdp-code {
  padding: 14px 16px;
  background: #f7f9fc;
  border: 1px dashed var(--kf-pdp-border);
  border-radius: var(--kf-pdp-radius-sm);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--kf-pdp-muted);
  word-break: break-all;
}
#kf-pdp-enhance .kf-pdp-tip {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--kf-pdp-light);
  line-height: 1.7;
}

/* ==========================================================================
   购买流程
   ========================================================================== */
#kf-pdp-enhance .kf-pdp-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
#kf-pdp-enhance .kf-pdp-step {
  position: relative;
  padding: 18px 16px;
  background: #ffffff;
  border: 1px solid var(--kf-pdp-border);
  border-radius: var(--kf-pdp-radius-sm);
  transition: border-color .2s ease, box-shadow .2s ease;
}
#kf-pdp-enhance .kf-pdp-step:hover {
  border-color: rgba(32, 193, 128, .5);
  box-shadow: var(--kf-pdp-shadow-sm);
}
#kf-pdp-enhance .kf-pdp-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 10px;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  background: var(--kf-pdp-primary);
}
#kf-pdp-enhance .kf-pdp-step__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--kf-pdp-text);
  margin-bottom: 5px;
}
#kf-pdp-enhance .kf-pdp-step__desc {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--kf-pdp-muted);
}

/* ==========================================================================
   使用建议
   ========================================================================== */
#kf-pdp-enhance .kf-pdp-advice-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
}
#kf-pdp-enhance .kf-pdp-advice-list li {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--kf-pdp-muted);
}
#kf-pdp-enhance .kf-pdp-advice-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--kf-pdp-primary-bg);
  border: 1px solid var(--kf-pdp-primary);
}
#kf-pdp-enhance .kf-pdp-advice-list li::after {
  content: "";
  position: absolute;
  left: 3.5px;
  top: 10px;
  width: 5px;
  height: 3px;
  border-left: 1.5px solid var(--kf-pdp-primary-dark);
  border-bottom: 1.5px solid var(--kf-pdp-primary-dark);
  transform: rotate(-45deg);
}

/* ==========================================================================
   注意事项
   ========================================================================== */
#kf-pdp-enhance .kf-pdp-alert {
  padding: 16px 18px;
  border-radius: var(--kf-pdp-radius-sm);
  border-left: 4px solid #f59e0b;
  background: #fffbeb;
}
#kf-pdp-enhance .kf-pdp-alert ul { display: grid; gap: 6px; }
#kf-pdp-enhance .kf-pdp-alert li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: #7c5c12;
}
#kf-pdp-enhance .kf-pdp-alert li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #f59e0b;
}
#kf-pdp-enhance .kf-pdp-alert__foot {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(245, 158, 11, .35);
  font-size: 12.5px;
  line-height: 1.7;
  color: #8a6d1f;
}

/* ==========================================================================
   售后说明
   ========================================================================== */
#kf-pdp-enhance .kf-pdp-aftersales-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
#kf-pdp-enhance .kf-pdp-aftersales-col {
  padding: 16px 18px;
  border-radius: var(--kf-pdp-radius-sm);
  border: 1px solid var(--kf-pdp-border);
}
#kf-pdp-enhance .kf-pdp-aftersales-col__title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 10px;
}
#kf-pdp-enhance .kf-pdp-aftersales-col__title--yes { color: var(--kf-pdp-primary-dark); }
#kf-pdp-enhance .kf-pdp-aftersales-col__title--no { color: #c2410c; }
#kf-pdp-enhance .kf-pdp-aftersales-col ul { display: grid; gap: 7px; }
#kf-pdp-enhance .kf-pdp-aftersales-col li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--kf-pdp-muted);
}
#kf-pdp-enhance .kf-pdp-aftersales-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--kf-pdp-border);
}
#kf-pdp-enhance .kf-pdp-aftersales-col__title--yes + ul li::before { background: var(--kf-pdp-primary); }
#kf-pdp-enhance .kf-pdp-aftersales-col__title--no + ul li::before { background: #f97316; }

#kf-pdp-enhance .kf-pdp-aftersales-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ==========================================================================
   按钮
   ========================================================================== */
#kf-pdp-enhance .kf-pdp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--kf-pdp-radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
#kf-pdp-enhance .kf-pdp-btn--primary { color: #ffffff; background: var(--kf-pdp-primary); }
#kf-pdp-enhance .kf-pdp-btn--primary:hover { background: var(--kf-pdp-primary-dark); transform: translateY(-1px); }
#kf-pdp-enhance .kf-pdp-btn--outline {
  color: var(--kf-pdp-primary-dark);
  background: #ffffff;
  border-color: var(--kf-pdp-primary);
}
#kf-pdp-enhance .kf-pdp-btn--outline:hover { background: var(--kf-pdp-primary-bg); transform: translateY(-1px); }
#kf-pdp-enhance .kf-pdp-btn--ghost {
  color: var(--kf-pdp-muted);
  background: #ffffff;
  border-color: var(--kf-pdp-border);
}
#kf-pdp-enhance .kf-pdp-btn--ghost:hover { border-color: var(--kf-pdp-primary); color: var(--kf-pdp-primary-dark); }

/* ==========================================================================
   相关教程 / 相关产品 区块
   ========================================================================== */
#kf-pdp-enhance .kf-pdp-section {
  padding: 26px 20px;
  border-top: 1px solid var(--kf-pdp-border-light);
}
#kf-pdp-enhance .kf-pdp-section:last-child { border-bottom: 0; }

#kf-pdp-enhance .kf-pdp-section__title {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 18px;
  font-weight: 700;
  color: var(--kf-pdp-text);
  margin-bottom: 12px;
}
#kf-pdp-enhance .kf-pdp-section__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  color: var(--kf-pdp-primary-dark);
  background: var(--kf-pdp-primary-bg);
  border: 1px solid rgba(32, 193, 128, .22);
  flex: 0 0 auto;
}
#kf-pdp-enhance .kf-pdp-section__icon svg { width: 17px; height: 17px; }
#kf-pdp-enhance .kf-pdp-section__desc {
  font-size: 13.5px;
  color: var(--kf-pdp-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

/* ---------- 相关教程（文字列表） ---------- */
#kf-pdp-enhance .kf-pdp-tutorial-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--kf-pdp-border-light);
}
#kf-pdp-enhance .kf-pdp-tutorial-item {
  border-bottom: 1px solid var(--kf-pdp-border-light);
}
#kf-pdp-enhance .kf-pdp-tutorial-link {
  display: block;
  padding: 14px 0;
  transition: background .2s ease;
}
#kf-pdp-enhance .kf-pdp-tutorial-link:hover {
  background: var(--kf-pdp-bg-soft);
}
#kf-pdp-enhance .kf-pdp-tutorial-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}
#kf-pdp-enhance .kf-pdp-tutorial-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--kf-pdp-text);
  line-height: 1.5;
}
#kf-pdp-enhance .kf-pdp-tutorial-tag {
  display: inline-block;
  padding: 1px 6px;
  margin-right: 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  color: var(--kf-pdp-primary-dark);
  background: var(--kf-pdp-primary-bg);
  border: 1px solid rgba(32, 193, 128, .2);
  vertical-align: 1px;
}
#kf-pdp-enhance .kf-pdp-tutorial-meta {
  margin-left: auto;
  font-size: 12px;
  color: var(--kf-pdp-light);
  white-space: nowrap;
}
#kf-pdp-enhance .kf-pdp-tutorial-desc {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--kf-pdp-muted);
}

/* ---------- 相关产品卡片 ---------- */
#kf-pdp-enhance .kf-pdp-related {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
#kf-pdp-enhance .kf-pdp-product {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid var(--kf-pdp-border);
  border-radius: var(--kf-pdp-radius);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
#kf-pdp-enhance .kf-pdp-product:hover {
  border-color: rgba(32, 193, 128, .5);
  box-shadow: var(--kf-pdp-shadow-sm);
  transform: translateY(-2px);
}
#kf-pdp-enhance .kf-pdp-product__thumb {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13.5px;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--kf-pdp-primary), var(--kf-pdp-primary-dark));
}
#kf-pdp-enhance .kf-pdp-product__body { padding: 12px; }
#kf-pdp-enhance .kf-pdp-product__tag {
  display: inline-block;
  padding: 2px 7px;
  margin-bottom: 7px;
  border-radius: 4px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--kf-pdp-primary-dark);
  background: var(--kf-pdp-primary-bg);
  border: 1px solid rgba(32, 193, 128, .22);
}
#kf-pdp-enhance .kf-pdp-product__name {
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--kf-pdp-text);
  margin-bottom: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 39px;
}
#kf-pdp-enhance .kf-pdp-product__desc {
  font-size: 12px;
  line-height: 1.6;
  color: var(--kf-pdp-muted);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
#kf-pdp-enhance .kf-pdp-product__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding-top: 10px;
  border-top: 1px dashed var(--kf-pdp-border);
  margin-bottom: 10px;
}
#kf-pdp-enhance .kf-pdp-product__price {
  font-size: 15px;
  font-weight: 700;
  color: var(--kf-pdp-price);
}
#kf-pdp-enhance .kf-pdp-product__stock {
  font-size: 11px;
  color: var(--kf-pdp-light);
  white-space: nowrap;
}
#kf-pdp-enhance .kf-pdp-product__btn {
  display: block;
  width: 100%;
  padding: 7px 0;
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 600;
  text-align: center;
  color: var(--kf-pdp-primary-dark);
  background: var(--kf-pdp-primary-bg);
  border: 1px solid rgba(32, 193, 128, .28);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
#kf-pdp-enhance .kf-pdp-product__btn:hover {
  color: #ffffff;
  background: var(--kf-pdp-primary);
  border-color: var(--kf-pdp-primary);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
  #kf-pdp-enhance .kf-pdp-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #kf-pdp-enhance .kf-pdp-related { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  #kf-pdp-enhance .kf-pdp-container { padding: 0 16px; }
  #kf-pdp-enhance .kf-pdp-tabs__nav { padding: 0 4px; }
  #kf-pdp-enhance .kf-pdp-tab { padding: 12px 13px; font-size: 13.5px; }
  #kf-pdp-enhance .kf-pdp-tabs__body { padding: 18px 14px 20px; }
  #kf-pdp-enhance .kf-pdp-section { padding: 22px 14px; }
  #kf-pdp-enhance .kf-pdp-section__title { font-size: 16px; }

  #kf-pdp-enhance .kf-pdp-format-grid { grid-template-columns: 1fr; }
  #kf-pdp-enhance .kf-pdp-steps { grid-template-columns: 1fr; }
  #kf-pdp-enhance .kf-pdp-advice-list { grid-template-columns: 1fr; }
  #kf-pdp-enhance .kf-pdp-aftersales-grid { grid-template-columns: 1fr; }
  #kf-pdp-enhance .kf-pdp-related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #kf-pdp-enhance .kf-pdp-aftersales-actions .kf-pdp-btn { width: 100%; }
}

@media (max-width: 460px) {
  #kf-pdp-enhance .kf-pdp-related { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  #kf-pdp-enhance *,
  #kf-pdp-enhance *::before,
  #kf-pdp-enhance *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}