/* ===== 服务项目页专属样式 ===== */
.page-products {
  --products-gutter: 16px;
  --products-bez: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow-x: clip;
}

@media (min-width: 1024px) {
  .page-products {
    --products-gutter: 28px;
  }
}

/* 面包屑 */
.page-products .breadcrumb {
  max-width: var(--container);
  margin: 20px auto 0;
  padding-inline: var(--products-gutter);
}

/* 页面头部 */
.page-products .products-hero {
  max-width: var(--container);
  margin-inline: auto;
  padding: 32px var(--products-gutter) 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .products-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.page-products .products-hero__kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--color-primary);
}

.page-products .products-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--color-black);
}

.page-products .products-hero__subtitle {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
}

.page-products .products-hero__panel {
  padding: 18px;
  background: var(--color-white);
  border: 1px solid rgba(13, 13, 13, 0.12);
  box-shadow: var(--shadow-sm);
}

.page-products .products-hero__panel .data-chip {
  width: max-content;
  max-width: 100%;
}

.page-products .products-hero__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-gray);
}

.page-products .products-hero__lead {
  grid-column: 1 / -1;
  max-width: 680px;
  margin: 4px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-gray-dark);
}

@media (min-width: 768px) {
  .page-products .products-hero {
    grid-template-columns: minmax(0, 1fr) 230px;
    align-items: end;
    gap: 28px 40px;
    padding-top: 48px;
  }
  .page-products .products-hero h1 {
    font-size: clamp(34px, 4vw, 48px);
  }
}

/* 主布局：左侧索引 + 右侧功能内容 */
.page-products .products-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  max-width: var(--container);
  margin-inline: auto;
  padding: 20px var(--products-gutter) 72px;
}

.page-products .products-menu {
  margin-inline: calc(var(--products-gutter) * -1);
  padding: 8px var(--products-gutter) 12px;
  overflow-x: auto;
  scrollbar-width: none;
  background: linear-gradient(180deg, var(--color-light) 82%, rgba(245, 245, 245, 0));
}

.page-products .products-menu::-webkit-scrollbar {
  display: none;
}

.page-products .products-menu__label {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gray);
}

.page-products .products-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  min-width: max-content;
}

.page-products .products-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  color: var(--color-charcoal);
  background: var(--color-white);
  border: 1px solid rgba(13, 13, 13, 0.14);
  border-radius: 999px;
  box-shadow: 0 1px 0 rgba(13, 13, 13, 0.04);
  transition: background 0.3s var(--products-bez), color 0.3s var(--products-bez), border-color 0.3s var(--products-bez);
}

.page-products .products-menu a:hover,
.page-products .products-menu a:focus-visible {
  color: var(--color-white);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.page-products .products-menu__num {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--color-primary);
}

.page-products .products-menu a:hover .products-menu__num,
.page-products .products-menu a:focus-visible .products-menu__num {
  color: var(--color-gold);
}

@media (min-width: 1024px) {
  .page-products .products-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .products-menu {
    position: sticky;
    top: 112px;
    margin: 0;
    padding: 0;
    overflow: visible;
    background: none;
    border-top: 3px solid var(--color-black);
  }

  .page-products .products-menu ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    min-width: 0;
  }

  .page-products .products-menu a {
    border-radius: 0;
    border: 0;
    border-bottom: 1px solid rgba(13, 13, 13, 0.1);
    background: transparent;
    padding: 12px 4px;
    font-size: 14px;
  }

  .page-products .products-menu a:hover,
  .page-products .products-menu a:focus-visible {
    color: var(--color-primary);
    background: transparent;
    padding-left: 12px;
  }
}

/* 功能区块通用 */
.page-products .feature-block {
  scroll-margin-top: 120px;
  padding: 40px 0;
}

.page-products .feature-block__inner {
  max-width: var(--container);
  margin-inline: auto;
}

.page-products .feature-block__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-bottom: 24px;
}

.page-products .feature-block__index {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  padding: 4px 8px;
  color: var(--color-primary);
  border: 1px solid rgba(200, 16, 46, 0.5);
}

.page-products .feature-block h2 {
  width: 100%;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: 0.02em;
  color: var(--color-black);
}

.page-products .feature-block--dark {
  margin-inline: calc(var(--products-gutter) * -1);
  padding-left: var(--products-gutter);
  padding-right: var(--products-gutter);
  background-color: var(--color-charcoal);
  color: var(--color-white);
  border-top: 4px solid var(--color-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.page-products .feature-block--dark h2 {
  color: var(--color-white);
}

.page-products .feature-block--score,
.page-products .feature-block--chart {
  margin-inline: calc(var(--products-gutter) * -1);
  padding-left: var(--products-gutter);
  padding-right: var(--products-gutter);
  background: var(--color-white);
}

.page-products .feature-block--guide {
  margin-inline: calc(var(--products-gutter) * -1);
  padding-left: var(--products-gutter);
  padding-right: var(--products-gutter);
  background:
    radial-gradient(circle at 88% 12%, rgba(200, 16, 46, 0.12) 0, rgba(200, 16, 46, 0) 42%),
    var(--color-white);
}

.page-products .feature-block--apple {
  border-top-width: 4px;
}

.page-products .feature-block--chart {
  border-bottom: 1px solid rgba(13, 13, 13, 0.08);
}

.page-products .feature-block--replay {
  border-bottom: 4px solid var(--color-primary);
}

/* 功能区双栏 */
.page-products .feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-products .feature-copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-gray-dark);
}

.page-products .feature-block--dark .feature-copy p {
  color: rgba(255, 255, 255, 0.82);
}

.page-products .feature-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .feature-list li {
  position: relative;
  margin-top: 10px;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-charcoal);
}

.page-products .feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background: var(--color-primary);
}

.page-products .feature-block--dark .feature-list li {
  color: rgba(255, 255, 255, 0.88);
}

.page-products .feature-block--dark .feature-list li::before {
  background: var(--color-gold);
}

.page-products .feature-copy__more a,
.page-products .guide-help a,
.page-products .products-support a {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-primary);
  border-bottom: 1px solid rgba(200, 16, 46, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.25s var(--ease);
}

.page-products .feature-copy__more a:hover,
.page-products .feature-copy__more a:focus-visible,
.page-products .guide-help a:hover,
.page-products .guide-help a:focus-visible,
.page-products .products-support a:hover,
.page-products .products-support a:focus-visible {
  border-color: var(--color-primary);
}

.page-products .feature-block--dark .feature-copy__more a {
  color: var(--color-gold);
  border-color: rgba(201, 160, 99, 0.4);
}

.page-products .feature-block--dark .feature-copy__more a:hover,
.page-products .feature-block--dark .feature-copy__more a:focus-visible {
  border-color: var(--color-gold);
}

/* 媒体与图框 */
.page-products .feature-media {
  position: relative;
}

.page-products .feature-media figure {
  margin: 0;
}

.page-products .feature-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-products .feature-media figcaption {
  margin-top: 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray);
}

.page-products .feature-block--dark .feature-media figcaption {
  color: rgba(255, 255, 255, 0.6);
}

.page-products .score-frame {
  position: relative;
  padding: 10px;
  background: var(--color-white);
  border: 1px solid rgba(13, 13, 13, 0.1);
  box-shadow: var(--shadow-sm);
}

.page-products .score-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px solid var(--color-primary);
  transform: translate(-8px, 8px);
  pointer-events: none;
  z-index: 0;
}

.page-products .score-frame .framed-media {
  position: relative;
  z-index: 1;
}

.page-products .chart-frame {
  padding: 10px;
  background: var(--color-white);
  border-top: 3px solid var(--color-black);
  border-bottom: 3px solid var(--color-primary);
}

.page-products .replay-frame {
  padding: 12px;
  background: linear-gradient(180deg, #141414, #1a1a1a);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 4px solid var(--color-gold);
}

.page-products .replay-frame::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
}

/* 双场切换演示 */
.page-products .dual-demo {
  position: relative;
  aspect-ratio: 5 / 4;
  max-width: 560px;
  margin-inline: auto;
  cursor: pointer;
  outline: none;
}

.page-products .dual-demo__front,
.page-products .dual-demo__back {
  position: absolute;
  inset: 0;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.45s var(--products-bez);
}

.page-products .dual-demo__front {
  z-index: 2;
  background: var(--color-charcoal);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
}

.page-products .dual-demo__front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products .dual-demo__back {
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  color: var(--color-white);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 50%),
    var(--color-primary-dark);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transform: translate(14px, 12px) scale(0.97);
}

.page-products .dual-demo__scoreline {
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-products .dual-demo__clock {
  font-family: var(--font-data);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}

.page-products .dual-demo__label {
  margin-top: 10px;
  padding: 4px 10px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(0, 0, 0, 0.28);
  border-radius: 999px;
}

.page-products .dual-demo__live,
.page-products .dual-demo__badge {
  position: absolute;
  z-index: 3;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 9px;
}

.page-products .dual-demo__live {
  top: 10px;
  left: 10px;
  background: var(--color-primary);
  color: var(--color-white);
}

.page-products .dual-demo__badge {
  right: 10px;
  bottom: 10px;
  font-weight: 700;
  color: var(--color-black);
  background: var(--color-gold);
}

.page-products .dual-demo:hover .dual-demo__front,
.page-products .dual-demo:focus-visible .dual-demo__front {
  transform: translateX(-8%) scale(0.95);
}

.page-products .dual-demo:hover .dual-demo__back,
.page-products .dual-demo:focus-visible .dual-demo__back {
  transform: translate(0, 0) scale(1);
}

.page-products .dual-demo__hint {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
  color: var(--color-gray);
}

/* 新手使用指南 */
.page-products .guide-lead {
  max-width: 620px;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-gray-dark);
}

.page-products .guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  margin-top: 28px;
}

.page-products .guide-step {
  margin: 0 0 12px;
  padding: 0;
  background: var(--color-white);
  border: 1px solid rgba(13, 13, 13, 0.1);
  border-left: 3px solid var(--color-primary);
  border-radius: 4px;
}

.page-products .guide-step summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
}

.page-products .guide-step summary::-webkit-details-marker {
  display: none;
}

.page-products .guide-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 18px;
  color: var(--color-primary);
}

.page-products .guide-step[open] summary::after {
  content: "−";
}

.page-products .guide-step__num {
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
}

.page-products .guide-step p {
  margin: 0;
  padding: 0 16px 16px 54px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-gray-dark);
}

.page-products .guide-help a {
  margin-top: 4px;
}

.page-products .guide-visual {
  position: relative;
}

.page-products .guide-visual::before {
  content: "";
  position: absolute;
  inset: 14px -10px -10px 14px;
  border: 2px solid var(--color-primary);
  z-index: 0;
}

.page-products .guide-visual img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: var(--shadow);
}

/* 联系支持 */
.page-products .products-support {
  padding: 4px 0 0;
}

@media (min-width: 768px) {
  .page-products .feature-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-products .feature-grid--reverse .feature-media {
    order: 1;
  }

  .page-products .feature-grid--reverse .feature-copy {
    order: 2;
  }

  .page-products .guide-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
  }
}