/* =========================================================
   VIPZAI PC 产品详情页专用样式
   文件：/skin/css/eyou-product-page.css
   依赖：/skin/css/vipzai-design-system.css
   作用域：body.vip-product-template
   说明：保持现有页面布局，仅整理主图、参数、正文、FAQ、
         右侧目录/相关产品、上下篇与底部 CTA 的稳定性。
   ========================================================= */

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

body.vip-product-template {
  overflow-x: clip;
}

/* 无障碍跳转 */
body.vip-product-template .vip-product-skip {
  position: fixed;
  top: -80px;
  left: 12px;
  z-index: 99999;
  padding: 10px 14px;
  color: var(--vip-primary);
  background: var(--vip-white);
  border: 1px solid var(--vip-primary);
  border-radius: var(--vip-radius-sm);
}

body.vip-product-template .vip-product-skip:focus {
  top: 12px;
}

/* 面包屑 */
body.vip-product-template .vip-product-breadcrumb {
  padding-top: 9px;
  padding-bottom: 9px;
  color: var(--vip-muted);
  font-size: 14px;
  line-height: 1.7;
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--vip-border-soft);
}

body.vip-product-template .vip-product-breadcrumb a {
  color: var(--vip-text);
}

body.vip-product-template .vip-product-breadcrumb a:hover {
  color: var(--vip-primary);
}

/* 页面主体 */
body.vip-product-template .vip-product-page {
  padding-top: 20px;
  padding-bottom: 44px;
  overflow: visible;
}

body.vip-product-template .vip-product-main,
body.vip-product-template .vip-product-content-column,
body.vip-product-template .vip-product-summary,
body.vip-product-template .vip-product-gallery {
  min-width: 0;
}

/* 顶部产品信息 */
body.vip-product-template .vip-product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  gap: 30px;
  padding: 28px;
  background: var(--vip-white);
  border: 1px solid var(--vip-border);
  border-top: 4px solid var(--vip-primary);
}

/* 主图：完整展示产品，不裁切 */
body.vip-product-template .vip-product-primary-image {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1 / 1;
  margin: 0;
  overflow: hidden;
  background: var(--vip-bg-soft);
  border: 1px solid var(--vip-border);
}

body.vip-product-template .vip-product-primary-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

/* 主图缩略图 */
body.vip-product-template .vip-product-thumbs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

body.vip-product-template .vip-product-thumbs button {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  padding: 2px;
  cursor: pointer;
  overflow: hidden;
  background: var(--vip-white);
  border: 1px solid var(--vip-border);
  border-radius: var(--vip-radius-sm);
  transition: border-color .2s ease, box-shadow .2s ease;
}

body.vip-product-template .vip-product-thumbs button:hover,
body.vip-product-template .vip-product-thumbs button.is-active {
  border-color: var(--vip-primary);
}

body.vip-product-template .vip-product-thumbs button.is-active {
  box-shadow: var(--vip-focus-ring);
}

body.vip-product-template .vip-product-thumbs img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 产品摘要 */
body.vip-product-template .vip-product-kicker {
  margin: 0 0 8px;
  color: var(--vip-primary);
  font-size: 14px;
  font-weight: 700;
}

body.vip-product-template .vip-product-summary h1 {
  margin: 0;
  color: var(--vip-heading);
  font-size: 28px;
  line-height: 1.42;
  font-weight: 700;
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-intro {
  margin: 15px 0 0;
  padding: 13px 15px;
  color: var(--vip-text);
  line-height: 1.75;
  overflow-wrap: anywhere;
  background: var(--vip-bg-soft);
  border-left: 3px solid var(--vip-primary);
}

body.vip-product-template .vip-product-meta,
body.vip-product-template .vip-product-attributes {
  margin: 18px 0 0;
  border-top: 1px solid var(--vip-border);
}

body.vip-product-template .vip-product-meta > div,
body.vip-product-template .vip-product-attributes > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--vip-border-soft);
}

body.vip-product-template .vip-product-meta dt,
body.vip-product-template .vip-product-attributes dt {
  color: var(--vip-muted);
  font-weight: 400;
}

body.vip-product-template .vip-product-meta dd,
body.vip-product-template .vip-product-attributes dd {
  min-width: 0;
  margin: 0;
  color: var(--vip-heading);
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-meta a {
  color: var(--vip-primary);
}

/* 顶部操作按钮 */
body.vip-product-template .vip-product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

body.vip-product-template .vip-product-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  min-height: 44px;
  padding: 8px 22px;
  color: inherit;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--vip-radius-sm);
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

body.vip-product-template .vip-product-btn--primary {
  color: var(--vip-white);
  background: var(--vip-accent);
  border-color: var(--vip-accent);
}

body.vip-product-template .vip-product-btn--primary:hover {
  color: var(--vip-accent);
  background: var(--vip-white);
}

body.vip-product-template .vip-product-btn--secondary {
  color: var(--vip-white);
  background: var(--vip-primary);
  border-color: var(--vip-primary);
}

body.vip-product-template .vip-product-btn--secondary:hover {
  color: var(--vip-primary);
  background: var(--vip-white);
}

body.vip-product-template .vip-product-btn--outline {
  color: var(--vip-white);
  background: transparent;
  border-color: rgba(255, 255, 255, .75);
}

body.vip-product-template .vip-product-btn--outline:hover {
  color: var(--vip-surface-dark);
  background: var(--vip-white);
  border-color: var(--vip-white);
}

body.vip-product-template .vip-product-contact-note {
  margin: 12px 0 0;
  color: var(--vip-muted);
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-contact-note a {
  color: var(--vip-primary);
  font-weight: 700;
}

/* 锚点导航 */
body.vip-product-template .vip-product-anchor-nav {
  display: flex;
  flex-wrap: wrap;
  position: static;
  z-index: 1;
  margin-top: 16px;
  overflow: hidden;
  background: var(--vip-surface-dark);
  border: 1px solid var(--vip-surface-dark);
}

body.vip-product-template .vip-product-anchor-nav a {
  display: block;
  padding: 12px 18px;
  color: var(--vip-white);
  border-right: 1px solid rgba(255, 255, 255, .16);
}

body.vip-product-template .vip-product-anchor-nav a:hover,
body.vip-product-template .vip-product-anchor-nav a.is-active {
  color: var(--vip-white);
  background: var(--vip-primary);
}

/* 正文与右侧栏 */
body.vip-product-template .vip-product-content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 24px;
  align-items: start;
  margin-top: 20px;
  overflow: visible;
}

body.vip-product-template .vip-product-section,
body.vip-product-template .vip-product-prenext,
body.vip-product-template .vip-product-bottom-cta {
  margin-bottom: 18px;
  padding: 24px 28px;
  background: var(--vip-white);
  border: 1px solid var(--vip-border);
}

body.vip-product-template .vip-product-section > h2 {
  position: relative;
  margin: 0 0 16px;
  padding-left: 14px;
  color: var(--vip-heading);
  font-size: 22px;
  line-height: 1.45;
  font-weight: 700;
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-section > h2::before {
  content: "";
  position: absolute;
  top: .2em;
  bottom: .2em;
  left: 0;
  width: 4px;
  background: var(--vip-primary);
}

/* 产品正文：保持原图比例 */
body.vip-product-template .vip-product-richtext {
  min-width: 0;
  color: var(--vip-text);
  font-size: 16px;
  line-height: 1.82;
  word-break: break-word;
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-richtext > :first-child {
  margin-top: 0;
}

body.vip-product-template .vip-product-richtext > :last-child {
  margin-bottom: 0;
}

body.vip-product-template .vip-product-richtext p {
  margin: 0 0 1em;
}

body.vip-product-template .vip-product-richtext h2,
body.vip-product-template .vip-product-richtext h3,
body.vip-product-template .vip-product-richtext h4 {
  color: var(--vip-heading);
  scroll-margin-top: 112px;
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-richtext h2 {
  margin: 1.55em 0 .65em;
  font-size: 22px;
  line-height: 1.5;
}

body.vip-product-template .vip-product-richtext h3 {
  margin: 1.25em 0 .55em;
  font-size: 18px;
  line-height: 1.55;
}

body.vip-product-template .vip-product-richtext h4 {
  margin: 1.1em 0 .5em;
  line-height: 1.6;
}

body.vip-product-template .vip-product-richtext ul,
body.vip-product-template .vip-product-richtext ol {
  margin: 0 0 1em;
  padding-left: 1.5em;
}

body.vip-product-template .vip-product-richtext li + li {
  margin-top: .35em;
}

body.vip-product-template .vip-product-richtext img,
body.vip-product-template .vip-product-richtext video,
body.vip-product-template .vip-product-richtext iframe,
body.vip-product-template .vip-product-richtext embed,
body.vip-product-template .vip-product-richtext object {
  max-width: 100%;
}

body.vip-product-template .vip-product-richtext img {
  display: block;
  width: auto;
  height: auto;
  margin: 14px auto;
}

body.vip-product-template .vip-product-richtext video {
  display: block;
  height: auto;
  margin: 16px auto;
}

body.vip-product-template .vip-product-richtext iframe[src*="youtube"],
body.vip-product-template .vip-product-richtext iframe[src*="youtu.be"],
body.vip-product-template .vip-product-richtext iframe[src*="vimeo"] {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border: 0;
}

body.vip-product-template .vip-product-richtext figure {
  max-width: 100%;
  margin: 18px 0;
}

body.vip-product-template .vip-product-richtext figcaption {
  margin-top: 8px;
  color: var(--vip-muted);
  font-size: 13px;
  line-height: 1.65;
  text-align: center;
}

body.vip-product-template .vip-product-richtext blockquote {
  margin: 1em 0;
  padding: 12px 16px;
  color: var(--vip-text-soft);
  background: var(--vip-bg-soft);
  border-left: 4px solid var(--vip-primary);
}

body.vip-product-template .vip-product-richtext pre {
  max-width: 100%;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-richtext a {
  color: var(--vip-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

/* JS 自动为正文表格添加该容器 */
body.vip-product-template .vip-product-table-wrap {
  width: 100%;
  margin: 18px 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

body.vip-product-template .vip-product-richtext table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: var(--vip-white);
}

body.vip-product-template .vip-product-richtext th,
body.vip-product-template .vip-product-richtext td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
  border: 1px solid var(--vip-border);
}

body.vip-product-template .vip-product-richtext th {
  color: var(--vip-heading);
  background: var(--vip-bg-soft);
}

/* FAQ：兼容 details 与后台富文本结构 */
body.vip-product-template .vip-product-faq details,
body.vip-product-template .vip-product-richtext details {
  margin-top: 10px;
  overflow: hidden;
  background: var(--vip-white);
  border: 1px solid var(--vip-border);
  border-radius: 0;
}

body.vip-product-template .vip-product-faq summary,
body.vip-product-template .vip-product-richtext summary {
  position: relative;
  display: block;
  padding: 14px 48px 14px 16px;
  color: var(--vip-heading);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.65;
  cursor: pointer;
  list-style: none;
  overflow-wrap: anywhere;
  background: var(--vip-bg-soft);
}

body.vip-product-template .vip-product-faq summary::-webkit-details-marker,
body.vip-product-template .vip-product-richtext summary::-webkit-details-marker {
  display: none;
}

body.vip-product-template .vip-product-faq summary::marker,
body.vip-product-template .vip-product-richtext summary::marker {
  content: "";
}

body.vip-product-template .vip-product-faq summary::after,
body.vip-product-template .vip-product-richtext summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 16px;
  color: var(--vip-primary);
  font-size: 21px;
  font-weight: 400;
  transform: translateY(-50%);
}

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

body.vip-product-template .vip-product-faq details[open] summary::after,
body.vip-product-template .vip-product-richtext details[open] summary::after {
  content: "−";
}

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

/* 上一篇 / 下一篇 */
body.vip-product-template .vip-product-prenext {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

body.vip-product-template .vip-product-prenext a {
  display: block;
  min-width: 0;
  color: var(--vip-text);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-prenext a:hover {
  color: var(--vip-primary);
}

/* 右侧栏：仅外层 sticky，不创建内部滚动条 */
body.vip-product-template .vip-product-sidebar {
  position: sticky;
  top: 18px;
  align-self: start;
  min-width: 0;
  height: max-content;
  overflow: visible;
}

body.vip-product-template .vip-product-sidebar-inner {
  position: static;
  height: auto;
  max-height: none;
  overflow: visible;
}

body.vip-product-template .vip-product-toc,
body.vip-product-template .vip-product-side-card,
body.vip-product-template .vip-product-quote-card {
  margin-bottom: 16px;
  padding: 18px;
  background: var(--vip-white);
  border: 1px solid var(--vip-border);
  border-radius: 0;
}

body.vip-product-template .vip-product-toc h2,
body.vip-product-template .vip-product-side-card h2,
body.vip-product-template .vip-product-quote-card h2 {
  margin: 0 0 12px;
  padding-bottom: 10px;
  color: var(--vip-heading);
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
  overflow-wrap: anywhere;
  border-bottom: 2px solid var(--vip-primary);
}

body.vip-product-template .vip-product-toc nav {
  display: grid;
  gap: 2px;
}

body.vip-product-template .vip-product-toc a {
  display: block;
  padding: 8px 10px;
  color: var(--vip-text);
  font-size: 14px;
  line-height: 1.55;
  overflow-wrap: anywhere;
  border-left: 3px solid transparent;
}

body.vip-product-template .vip-product-toc a:hover,
body.vip-product-template .vip-product-toc a.is-active {
  color: var(--vip-primary);
  background: var(--vip-bg-soft);
  border-left-color: var(--vip-primary);
}

/* 右侧询价卡片 */
body.vip-product-template .vip-product-quote-card {
  color: rgba(255, 255, 255, .86);
  background: var(--vip-surface-dark);
  border-color: var(--vip-surface-dark);
}

body.vip-product-template .vip-product-quote-label {
  margin: 0 0 6px;
  color: #9FD9F3;
  font-size: 13px;
}

body.vip-product-template .vip-product-quote-card h2 {
  color: var(--vip-white);
  border-bottom-color: rgba(255, 255, 255, .32);
}

body.vip-product-template .vip-product-quote-card p {
  font-size: 14px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-quote-card .vip-product-btn {
  width: 100%;
  margin-top: 8px;
}

body.vip-product-template .vip-product-sidebar-phone {
  display: block;
  margin-top: 13px;
  color: var(--vip-white);
  text-align: center;
  font-weight: 700;
  overflow-wrap: anywhere;
}

/* 右侧相关产品 */
body.vip-product-template .vip-product-side-related-list {
  display: grid;
}

body.vip-product-template .vip-product-side-related-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 9px 0;
  color: var(--vip-text);
  border-bottom: 1px dashed var(--vip-border);
}

body.vip-product-template .vip-product-side-related-item:first-child {
  padding-top: 0;
}

body.vip-product-template .vip-product-side-related-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

body.vip-product-template .vip-product-side-related-item img {
  display: block;
  width: 72px;
  height: 54px;
  object-fit: cover;
  object-position: center;
  background: var(--vip-bg-soft);
  border: 1px solid var(--vip-border-soft);
}

body.vip-product-template .vip-product-side-related-item span {
  min-width: 0;
  font-size: 14px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-side-related-item:hover {
  color: var(--vip-primary);
}

/* 产品标签 */
body.vip-product-template .vip-product-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

body.vip-product-template .vip-product-tag-list a {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 5px 9px;
  color: var(--vip-text);
  font-size: 14px;
  line-height: 1.35;
  word-break: break-word;
  background: var(--vip-bg-soft);
  border: 1px solid var(--vip-border);
}

body.vip-product-template .vip-product-tag-list a:hover {
  color: var(--vip-primary);
  background: var(--vip-white);
  border-color: var(--vip-primary);
}

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

/* 底部 CTA */
body.vip-product-template .vip-product-bottom-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 0;
  color: var(--vip-white);
  background: var(--vip-surface-dark);
  border-color: var(--vip-surface-dark);
}

body.vip-product-template .vip-product-bottom-cta-copy {
  min-width: 0;
}

body.vip-product-template .vip-product-bottom-cta p {
  margin: 0 0 6px;
  color: #9FD9F3;
  font-size: 14px;
}

body.vip-product-template .vip-product-bottom-cta h2 {
  margin: 0;
  color: var(--vip-white);
  font-size: 20px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

body.vip-product-template .vip-product-bottom-cta-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 10px;
}

/* 中等 PC 宽度 */
@media (max-width: 1100px) {
  body.vip-product-template .vip-product-hero {
    grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
  }

  body.vip-product-template .vip-product-content-layout {
    grid-template-columns: minmax(0, 1fr) 250px;
  }

  body.vip-product-template .vip-product-thumbs {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* 窄屏 PC / 平板横屏：保持模块顺序，不改变内容结构 */
@media (max-width: 860px) {
  body.vip-product-template .vip-product-hero,
  body.vip-product-template .vip-product-content-layout {
    grid-template-columns: 1fr;
  }

  body.vip-product-template .vip-product-sidebar {
    position: static;
    top: auto;
    height: auto;
  }

  body.vip-product-template .vip-product-sidebar-inner {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  body.vip-product-template .vip-product-toc {
    display: none;
  }

  body.vip-product-template .vip-product-side-card,
  body.vip-product-template .vip-product-quote-card {
    margin-bottom: 0;
  }

  body.vip-product-template .vip-product-bottom-cta {
    align-items: stretch;
    flex-direction: column;
  }

  body.vip-product-template .vip-product-bottom-cta-actions {
    width: 100%;
  }

  body.vip-product-template .vip-product-bottom-cta-actions .vip-product-btn {
    flex: 1 1 0;
  }
}

@media (max-width: 620px) {
  body.vip-product-template .vip-product-hero,
  body.vip-product-template .vip-product-section,
  body.vip-product-template .vip-product-prenext,
  body.vip-product-template .vip-product-bottom-cta {
    padding-right: 20px;
    padding-left: 20px;
  }

  body.vip-product-template .vip-product-summary h1 {
    font-size: 25px;
  }

  body.vip-product-template .vip-product-thumbs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  body.vip-product-template .vip-product-actions,
  body.vip-product-template .vip-product-bottom-cta-actions {
    flex-direction: column;
  }

  body.vip-product-template .vip-product-actions .vip-product-btn,
  body.vip-product-template .vip-product-bottom-cta-actions .vip-product-btn {
    width: 100%;
  }

  body.vip-product-template .vip-product-prenext,
  body.vip-product-template .vip-product-sidebar-inner {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.vip-product-template .vip-product-btn,
  body.vip-product-template .vip-product-thumbs button {
    transition: none;
  }
}