/* 依赖：vipzai-design-system.css
 * VIPZAI 手机产品详情页统一样式
 * 作用域：body.m-product-template
 */

.m-product-template,
.m-product-template * { box-sizing: border-box; }

.m-product-template { padding-bottom: 66px; background: var(--vip-bg-soft); }
.m-product-template .m-product-category h2 { margin: 0; }

.m-product-template .m-product-page {
  width: 100%;
  padding: 8px 6px 22px;
}
.m-product-template .m-product-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 4px;
  color: var(--vip-muted);
  font-size: 12px;
}
.m-product-template .m-product-breadcrumb a { color: var(--vip-text); }

.m-product-template .m-product-card {
  overflow: hidden;
  background: var(--vip-white);
  border: 1px solid var(--vip-border);
  border-top: 3px solid var(--vip-primary);
}
.m-product-template .m-product-head { padding: 16px 14px 12px; }
.m-product-template .m-product-kicker {
  margin: 0 0 6px;
  color: var(--vip-primary);
  font-size: 13px;
  font-weight: 700;
}
.m-product-template .m-product-head h1 {
  margin: 0;
  color: var(--vip-heading);
  font-size: 23px;
  line-height: 1.42;
  font-weight: 700;
}
.m-product-template .m-product-intro {
  margin: 12px 0 0;
  padding: 11px 12px;
  color: var(--vip-text);
  font-size: 14px;
  line-height: 1.75;
  background: var(--vip-bg-soft);
  border-left: 3px solid var(--vip-primary);
}

.m-product-template .m-product-gallery { padding: 0 12px 12px; }
.m-product-template .m-product-primary-image {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  margin: 0;
  overflow: hidden;
  background: var(--vip-bg-soft);
  border: 1px solid var(--vip-border);
}
.m-product-template .m-product-primary-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.m-product-template .m-product-thumbs {
  display: flex;
  gap: 8px;
  margin-top: 9px;
  overflow-x: auto;
  padding-bottom: 3px;
  -webkit-overflow-scrolling: touch;
}
.m-product-template .m-product-thumbs button {
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  padding: 2px;
  overflow: hidden;
  background: var(--vip-white);
  border: 1px solid var(--vip-border);
  border-radius: var(--vip-radius-sm);
}
.m-product-template .m-product-thumbs button.is-active {
  border-color: var(--vip-primary);
  box-shadow: var(--vip-focus-ring);
}
.m-product-template .m-product-thumbs img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.m-product-template .m-product-meta,
.m-product-template .m-product-attributes {
  margin: 0 14px;
  border-top: 1px solid var(--vip-border);
}
.m-product-template .m-product-meta > div,
.m-product-template .m-product-attributes > div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px solid var(--vip-border-soft);
}
.m-product-template .m-product-meta dt,
.m-product-template .m-product-attributes dt {
  color: var(--vip-muted);
  font-weight: 400;
}
.m-product-template .m-product-meta dd,
.m-product-template .m-product-attributes dd {
  min-width: 0;
  margin: 0;
  color: var(--vip-heading);
  overflow-wrap: anywhere;
}
.m-product-template .m-product-meta a { color: var(--vip-primary); }

.m-product-template .m-product-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 14px;
}
.m-product-template .m-product-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 12px;
  text-align: center;
  border: 1px solid transparent;
  border-radius: var(--vip-radius-sm);
}
.m-product-template .m-product-btn--primary {
  color: var(--vip-white);
  background: var(--vip-accent);
  border-color: var(--vip-accent);
}
.m-product-template .m-product-btn--secondary {
  color: var(--vip-white);
  background: var(--vip-primary);
  border-color: var(--vip-primary);
}

.m-product-template .m-product-anchor-nav {
  display: flex;
  gap: 0;
  position: sticky;
  top: 0;
  z-index: 30;
  overflow-x: auto;
  white-space: nowrap;
  background: var(--vip-surface-dark);
  -webkit-overflow-scrolling: touch;
}
.m-product-template .m-product-anchor-nav a {
  flex: 0 0 auto;
  padding: 11px 14px;
  color: var(--vip-white);
  border-right: 1px solid rgba(255,255,255,.16);
}
.m-product-template .m-product-anchor-nav a.is-active { background: var(--vip-primary); }

.m-product-template .m-product-section,
.m-product-template .m-product-related,
.m-product-template .m-product-tags,
.m-product-template .m-product-prenext,
.m-product-template .m-product-bottom-cta {
  margin: 10px 8px 0;
  padding: 16px 14px;
  background: var(--vip-white);
  border: 1px solid var(--vip-border);
}
.m-product-template .m-product-section > h2,
.m-product-template .m-product-related > h2,
.m-product-template .m-product-tags > h2,
.m-product-template .m-product-bottom-cta > h2 {
  position: relative;
  margin: 0 0 13px;
  padding-left: 12px;
  color: var(--vip-heading);
  font-size: 20px;
  line-height: 1.48;
}
.m-product-template .m-product-section > h2::before,
.m-product-template .m-product-related > h2::before,
.m-product-template .m-product-tags > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .2em;
  bottom: .2em;
  width: 4px;
  background: var(--vip-primary);
}

.m-product-template .m-product-richtext {
  color: var(--vip-text);
  font-size: 16px;
  line-height: 1.8;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.m-product-template .m-product-richtext p { margin: 0 0 1em; }
.m-product-template .m-product-richtext h2,
.m-product-template .m-product-richtext h3,
.m-product-template .m-product-richtext h4 {
  color: var(--vip-heading);
  scroll-margin-top: 58px;
}
.m-product-template .m-product-richtext h2 {
  margin: 1.45em 0 .6em;
  font-size: 20px;
  line-height: 1.5;
}
.m-product-template .m-product-richtext h3 {
  margin: 1.2em 0 .5em;
  font-size: 18px;
  line-height: 1.55;
}
.m-product-template .m-product-richtext ul,
.m-product-template .m-product-richtext ol {
  margin: 0 0 1em;
  padding-left: 1.45em;
}
.m-product-template .m-product-richtext img,
.m-product-template .m-product-richtext video,
.m-product-template .m-product-richtext iframe {
  max-width: 100%;
}
.m-product-template .m-product-richtext img {
  display: block;
  height: auto;
  margin: 12px auto;
}
.m-product-template .m-product-richtext figure { margin: 15px 0; }
.m-product-template .m-product-richtext figcaption {
  margin-top: 7px;
  color: var(--vip-muted);
  font-size: 13px;
  text-align: center;
}
.m-product-template .m-product-table-wrap {
  width: 100%;
  margin: 14px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.m-product-template .m-product-richtext table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}
.m-product-template .m-product-richtext th,
.m-product-template .m-product-richtext td {
  padding: 9px 10px;
  border: 1px solid var(--vip-border);
  text-align: left;
  vertical-align: top;
}
.m-product-template .m-product-richtext th { background: var(--vip-bg-soft); }
.m-product-template .m-product-richtext a {
  color: var(--vip-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.m-product-template .m-product-richtext details {
  margin-top: 9px;
  border: 1px solid var(--vip-border);
}
.m-product-template .m-product-richtext summary {
  padding: 11px 12px;
  color: var(--vip-heading);
  font-weight: 700;
  cursor: pointer;
  background: var(--vip-bg-soft);
}
.m-product-template .m-product-richtext details > div,
.m-product-template .m-product-richtext details > p { padding: 11px 12px; }

/* 相关产品：保持原有双列布局，仅统一图片区与标题区。 */
.m-product-template .m-product-related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.m-product-template .m-product-related-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  color: var(--vip-heading);
  background: var(--vip-white);
  border: 1px solid var(--vip-border);
}

/* 新模板使用独立媒体容器，固定 4:3 比例并预留加载空间。 */
.m-product-template .m-product-related-card__media {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--vip-bg-soft);
}

.m-product-template .m-product-related-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 兼容尚未替换模板时直接放在卡片中的旧 img 结构。 */
.m-product-template .m-product-related-card > img {
  display: block;
  flex: 0 0 auto;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  background: var(--vip-bg-soft);
}

.m-product-template .m-product-related-card__body {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
}

.m-product-template .m-product-related-card h3 {
  display: -webkit-box;
  width: 100%;
  min-height: calc(3em + 18px);
  margin: 0;
  padding: 9px;
  overflow: hidden;
  color: var(--vip-heading);
  font-size: 14px;
  line-height: 1.5;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

/* 不支持 aspect-ratio 的旧浏览器降级。 */
@supports not (aspect-ratio: 4 / 3) {
  .m-product-template .m-product-related-card__media {
    height: 0;
    padding-top: 75%;
  }

  .m-product-template .m-product-related-card__media img {
    position: absolute;
    inset: 0;
  }
}

.m-product-template .m-product-prenext {
  display: grid;
  gap: 8px;
}
.m-product-template .m-product-prenext a {
  color: var(--vip-text);
  overflow-wrap: anywhere;
}

.m-product-template .m-product-bottom-cta {
  color: rgba(255,255,255,.86);
  background: var(--vip-surface-dark);
  border-color: var(--vip-surface-dark);
}
.m-product-template .m-product-bottom-cta p { margin: 0 0 6px; }
.m-product-template .m-product-bottom-cta > h2 {
  padding-left: 0;
  color: var(--vip-white);
}
.m-product-template .m-product-bottom-cta .m-product-btn {
  width: 100%;
  margin-top: 6px;
}
/* 手机 FAQ 后台输出兼容 */
.m-product-template .m-product-faq details {
  overflow: hidden;
}

.m-product-template .m-product-faq summary {
  position: relative;
  padding-right: 42px;
  list-style: none;
}

.m-product-template .m-product-faq summary::-webkit-details-marker {
  display: none;
}

.m-product-template .m-product-faq summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--vip-primary);
  font-size: 20px;
}

.m-product-template .m-product-faq details[open] summary::after {
  content: "−";
}

.m-product-template .m-product-faq details > div {
  border-top: 1px solid var(--vip-border-soft);
}

.m-product-template .m-product-faq-answer,
.m-product-template .m-product-faq .sx-faq-a,
.m-product-template .m-product-faq .px-a {
  padding: 12px 14px 14px;
  color: var(--vip-text);
  line-height: 1.8;
}

/* 手机只展示当前产品最多 8 个标签。 */
.m-product-template .m-product-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.m-product-template .m-product-tag-list a {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 6px 9px;
  color: var(--vip-text);
  line-height: 1.35;
  word-break: break-word;
  background: var(--vip-bg-soft);
  border: 1px solid var(--vip-border);
}

.m-product-template .m-product-tag-list a:active {
  color: var(--vip-primary);
  border-color: var(--vip-primary);
}

.m-product-template .m-product-tag-list > :not(a) {
  color: var(--vip-muted);
  font-size: 14px;
}

/* 手机底部 CTA 与其他内容卡片保持相同宽度。 */
.m-product-template .m-product-bottom-cta {
  margin-left: 8px;
  margin-right: 8px;
  margin-bottom: 0;
}


/* 手机文章/产品详情统一字号与 FAQ 样式。 */
.m-product-template .m-product-summary h1 {
  font-size: 24px;
  line-height: 1.45;
}

.m-product-template .m-product-richtext {
  font-size: 16px;
  line-height: 1.82;
}

.m-product-template .m-product-richtext h2,
.m-product-template .m-product-section > h2,
.m-product-template .m-product-related > h2,
.m-product-template .m-product-tags > h2 {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 700;
}

.m-product-template .m-product-richtext h3 {
  font-size: 18px;
}

.m-product-template .m-product-faq summary {
  display: block;
  padding: 13px 46px 13px 14px;
  font-size: 16px;
  line-height: 1.65;
  list-style: none;
}

.m-product-template .m-product-faq summary::marker {
  content: "";
}

.m-product-template .m-product-faq details[open] summary {
  color: var(--vip-primary-dark);
  background: var(--vip-white);
}

.m-product-template .m-product-faq details > div,
.m-product-template .m-product-faq details > p,
.m-product-template .m-product-faq .m-product-faq-answer,
.m-product-template .m-product-faq .sx-faq-a,
.m-product-template .m-product-faq .px-a {
  margin: 0;
  padding: 13px 14px 15px;
  color: var(--vip-text);
  font-size: 16px;
  line-height: 1.82;
  border-top: 1px solid var(--vip-border-soft);
}