/* ========== 产品介绍页专属样式 ========== */
.page-products {
  display: block;
  background: var(--x-warm);
  color: var(--x-ink);
  font-family: var(--x-font-sans);
}

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

/* ---------- 左侧产品目录索引 ---------- */
.page-products .pg-product-index {
  background: linear-gradient(155deg, var(--x-blue) 0%, var(--x-teal) 78%, var(--x-blue-light) 100%);
  color: var(--x-white);
  padding: var(--x-space-4) var(--x-space-3);
  border-bottom: 3px solid var(--x-gold);
}

.page-products .pg-product-index-sticky {
  display: flex;
  flex-direction: column;
  gap: var(--x-space-3);
}

.page-products .pg-index-eyebrow {
  margin: 0;
  font-family: var(--x-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--x-gold);
  text-transform: uppercase;
}

.page-products .pg-index-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--x-space-2);
}

.page-products .pg-index-link {
  display: inline-block;
  padding: 0.45rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--x-white);
  text-decoration: none;
  border: 1px solid rgba(212, 168, 67, 0.55);
  transition: background-color var(--x-transition), color var(--x-transition), border-color var(--x-transition);
}

.page-products .pg-index-link:hover,
.page-products .pg-index-link:focus {
  background-color: var(--x-gold);
  border-color: var(--x-gold);
  color: var(--x-blue);
}

.page-products .pg-index-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--x-space-1) var(--x-space-4);
}

.page-products .pg-index-note {
  margin: var(--x-space-1) 0 0;
  border-left: 2px solid var(--x-electric);
  padding-left: var(--x-space-2);
}

.page-products .pg-index-note-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.68);
}

.page-products .pg-index-note strong {
  display: block;
  font-family: var(--x-font-mono);
  font-size: 0.9rem;
  color: var(--x-white);
}

/* ---------- 右栏主体 ---------- */
.page-products .pg-product-main {
  min-width: 0;
  padding: var(--x-space-3) var(--x-space-3) 0;
}

.page-products .pg-breadcrumb {
  max-width: 64rem;
  margin: 0 auto var(--x-space-4);
  font-size: 0.8rem;
  color: rgba(17, 17, 17, 0.62);
}

.page-products .pg-breadcrumb a {
  color: var(--x-gold);
  text-decoration: none;
  font-weight: 600;
}

.page-products .pg-breadcrumb a:hover {
  text-decoration: underline;
}

/* ---------- 区块标题 ---------- */
.page-products .x-section-head {
  margin-bottom: var(--x-space-4);
}

.page-products .x-section-head h2 {
  margin: 0.25rem 0 0.5rem;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  line-height: 1.18;
  color: var(--x-ink);
}

.page-products .pg-multi-section .x-section-head h2 {
  color: var(--x-white);
}

/* ---------- 产品概览 ---------- */
.page-products .pg-overview-section {
  position: relative;
  overflow: hidden;
  padding: var(--x-space-5) 0 var(--x-space-6);
  background: linear-gradient(135deg, var(--x-white) 0%, var(--x-warm) 100%);
}

.page-products .pg-overview-section::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 46%;
  height: 160%;
  background: repeating-linear-gradient(
    -35deg,
    transparent 0 14px,
    rgba(10, 27, 42, 0.045) 14px 28px
  );
  transform: rotate(4deg);
  pointer-events: none;
}

.page-products .pg-overview-grid {
  position: relative;
  display: grid;
  gap: var(--x-space-5);
  max-width: 64rem;
  margin: 0 auto;
}

.page-products .pg-section-head {
  margin-bottom: var(--x-space-4);
}

.page-products .pg-overview-copy > .x-body-copy {
  max-width: 46em;
}

.page-products .pg-overview-lead {
  margin: 1rem 0 0;
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--x-blue);
  font-weight: 500;
}

.page-products .pg-keyword {
  color: var(--x-red);
  font-weight: 600;
}

.page-products .pg-overview-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--x-space-2);
  margin: var(--x-space-5) 0 0;
  padding: 0;
}

.page-products .pg-stat-item {
  margin: 0;
  padding: 0.8rem 0.6rem;
  background: var(--x-white);
  border-top: 2px solid var(--x-gold);
  box-shadow: var(--x-shadow-card);
}

.page-products .pg-stat-item .x-stat {
  display: block;
  line-height: 1;
}

.page-products .pg-stat-item .x-stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  line-height: 1.4;
}

.page-products .pg-overview-figure {
  aspect-ratio: 3 / 2;
  margin: 0;
}

/* ---------- 图片框架 ---------- */
.page-products .x-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pg-apple-figure {
  aspect-ratio: 1 / 1;
  margin: 0;
}

.page-products .pg-multi-figure {
  aspect-ratio: 7 / 3;
  max-width: 60rem;
  margin: 0 auto;
}

.page-products .pg-download-figure {
  aspect-ratio: 3 / 4;
  max-width: 300px;
  margin: 0 auto;
}

.page-products .pg-version-figure {
  aspect-ratio: 4 / 1;
  max-width: 64rem;
  margin: 0 auto var(--x-space-4);
}

/* ---------- 苹果端新版服务 ---------- */
.page-products .pg-apple-section {
  padding: var(--x-space-6) 0;
  background: var(--x-white);
}

.page-products .pg-apple-layout {
  display: grid;
  gap: var(--x-space-5);
  max-width: 60rem;
  margin: 0 auto;
}

.page-products .pg-apple-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-products .pg-apple-highlight-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 3px solid var(--x-gold);
}

.page-products .pg-apple-highlight-list li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.1rem;
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(17, 17, 17, 0.88);
}

.page-products .pg-apple-highlight-list li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 1.3rem;
  width: 8px;
  height: 8px;
  background: var(--x-gold);
  transform: rotate(45deg);
}

.page-products .pg-apple-highlight-list strong {
  color: var(--x-blue);
}

.page-products .pg-apple-footnote {
  margin: 1.2rem 0 0;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--x-electric);
  background: rgba(27, 231, 255, 0.1);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--x-blue);
}

/* ---------- 多端适配 ---------- */
.page-products .pg-multi-section {
  padding: var(--x-space-6) 0;
  background: linear-gradient(150deg, var(--x-blue) 0%, var(--x-teal) 70%, var(--x-blue-light) 100%);
  color: var(--x-white);
}

.page-products .pg-multi-section .x-subtitle {
  color: rgba(255, 255, 255, 0.82);
}

.page-products .pg-multi-grid {
  display: grid;
  gap: var(--x-space-3);
  max-width: 60rem;
  margin: 0 auto var(--x-space-4);
  padding: 0;
  list-style: none;
}

.page-products .pg-multi-card {
  margin: 0;
  border-top: 3px solid var(--x-gold);
  transition: transform var(--x-transition), box-shadow var(--x-transition);
}

.page-products .pg-multi-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--x-shadow-lg);
}

.page-products .pg-multi-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
  color: var(--x-gold);
}

.page-products .pg-multi-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- 下载中心 ---------- */
.page-products .pg-download-section {
  position: relative;
  padding: var(--x-space-6) 0;
  background: var(--x-warm);
}

.page-products .pg-download-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    rgba(212, 168, 67, 0.07) 0 10px,
    transparent 10px 20px
  );
  pointer-events: none;
}

.page-products .pg-download-section .x-container {
  position: relative;
  z-index: 1;
}

.page-products .pg-download-layout {
  display: grid;
  gap: var(--x-space-5);
  max-width: 64rem;
  margin: 0 auto;
}

.page-products .pg-download-panel {
  padding: var(--x-space-4);
  background: var(--x-white);
  border: 1px solid rgba(17, 17, 17, 0.1);
  box-shadow: var(--x-shadow-card);
}

.page-products .pg-download-panel .x-body-copy {
  max-width: 42em;
}

.page-products .pg-download-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--x-space-4) 0 var(--x-space-3);
  font-size: 0.88rem;
  background: var(--x-white);
}

.page-products .pg-download-table th,
.page-products .pg-download-table td {
  text-align: left;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid rgba(17, 17, 17, 0.1);
  vertical-align: top;
}

.page-products .pg-download-table th {
  width: 40%;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--x-blue);
  background: rgba(27, 231, 255, 0.08);
}

.page-products .pg-download-table td {
  color: rgba(17, 17, 17, 0.75);
}

.page-products .pg-download-meta {
  list-style: none;
  margin: var(--x-space-4) 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--x-space-2);
}

.page-products .pg-download-meta li {
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--x-blue);
  background: rgba(27, 231, 255, 0.12);
  border: 1px solid rgba(27, 231, 255, 0.45);
}

.page-products .pg-download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--x-space-3);
}

.page-products .pg-download-note {
  margin: var(--x-space-4) 0 0;
  font-size: 0.8rem;
  color: rgba(17, 17, 17, 0.62);
}

.page-products .pg-download-note a {
  color: var(--x-red);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 57, 70, 0.35);
}

.page-products .pg-download-note a:hover {
  color: var(--x-gold);
  border-color: var(--x-gold);
}

/* ---------- 版本演进 ---------- */
.page-products .pg-version-section {
  padding: var(--x-space-6) 0;
  background: linear-gradient(180deg, var(--x-white) 0%, #F8F2E7 100%);
}

.page-products .pg-version-track {
  display: grid;
  gap: var(--x-space-3);
  max-width: 64rem;
  margin: 0 auto var(--x-space-4);
  padding: 0;
  list-style: none;
}

.page-products .pg-version-node {
  position: relative;
  padding: var(--x-space-3);
  background: rgba(255, 255, 255, 0.9);
  border-left: 3px solid var(--x-gold);
  box-shadow: var(--x-shadow-card);
}

.page-products .pg-version-year {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.2rem;
  padding: 0.3rem 0.6rem;
  margin-bottom: 0.7rem;
  font-family: var(--x-font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--x-blue);
  background: var(--x-gold);
  letter-spacing: 0.08em;
}

.page-products .pg-version-node h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  color: var(--x-blue);
}

.page-products .pg-version-node p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(17, 17, 17, 0.78);
}

.page-products .pg-version-outro {
  max-width: 64rem;
  margin: 0 auto;
  font-size: 0.9rem;
  color: rgba(17, 17, 17, 0.7);
}

.page-products .pg-version-outro a {
  color: var(--x-red);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 57, 70, 0.35);
}

.page-products .pg-version-outro a:hover {
  color: var(--x-gold);
  border-color: var(--x-gold);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 48rem) {
  .page-products .pg-overview-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-products .pg-apple-layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .page-products .pg-multi-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pg-download-layout {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
  }

  .page-products .pg-version-track {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--x-space-4);
  }
}

/* ---------- 桌面：左右分屏 ---------- */
@media (min-width: 64rem) {
  .page-products {
    display: grid;
    grid-template-columns: 16rem minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pg-product-index {
    position: sticky;
    top: var(--x-header-h);
    align-self: start;
    min-height: calc(100vh - var(--x-header-h));
    border-bottom: 0;
    border-right: 1px solid rgba(212, 168, 67, 0.4);
    padding: var(--x-space-6) var(--x-space-4);
  }

  .page-products .pg-index-nav {
    flex-direction: column;
    align-items: stretch;
  }

  .page-products .pg-index-link {
    border: 0;
    border-left: 2px solid rgba(27, 231, 255, 0.6);
    border-radius: 0;
    padding: 0.55rem 0.8rem;
  }

  .page-products .pg-index-link:hover,
  .page-products .pg-index-link:focus {
    border-left-color: var(--x-gold);
  }

  .page-products .pg-product-main {
    padding: var(--x-space-5) 0 0;
  }
}