.page-products {
  font-family: var(--font-body);
  color: var(--ink-gray);
  background: var(--paper-white);
  overflow-x: hidden;
  line-height: 1.7;
}

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

.page-products .img-frame {
  border: 1px solid var(--silver-line);
  border-radius: 8px;
  overflow: hidden;
  background: #EAF0FA;
}

.page-products .img-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products__head {
  position: relative;
  padding: 24px 0 40px;
  display: block;
  background-image:
    linear-gradient(to right, rgba(10, 27, 58, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 27, 58, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page-products__head-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--bright-blue);
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.page-products__head-version {
  color: var(--accent-orange);
  font-weight: 700;
}

.page-products__head .page-head__title {
  font-size: 40px;
  line-height: 1.15;
  margin-bottom: 14px;
}

.page-products__head .page-head__desc {
  max-width: 720px;
  font-size: 16px;
  color: #33445C;
  margin-bottom: 16px;
}

.page-products__platform,
.page-products__sync,
.page-products__ios,
.page-products__compare,
.page-products__log,
.page-products__notice,
.page-products__cta {
  padding: 60px 0;
}

.page-products__platform {
  background:
    radial-gradient(circle at 82% 12%, rgba(45, 107, 255, 0.28), transparent 40%),
    linear-gradient(135deg, rgba(255, 92, 53, 0.16), transparent 42%),
    var(--deep-blue);
  color: #fff;
}

.page-products__label {
  margin-bottom: 10px;
}

.page-products__platform .page-products__label,
.page-products__compare .page-products__label {
  color: rgba(244, 247, 251, 0.85);
}

.page-products__section-title {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 700;
  margin: 0 0 28px;
  letter-spacing: -0.01em;
}

.page-products__platform .page-products__section-title,
.page-products__compare .page-products__section-title,
.page-products__cta .page-products__section-title {
  color: #fff;
}

/* ---- 平台选择器 ---- */
.page-products__platform-layout {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}

.page-products__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(184, 194, 204, 0.3);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  align-self: start;
}

.page-products__tab-btn {
  width: auto;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(184, 194, 204, 0.35);
  border-radius: var(--radius-pill);
  padding: 9px 20px;
  font-family: var(--font-title);
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-products__tab-btn:hover {
  background: rgba(255, 92, 53, 0.14);
  border-color: var(--orange-glow);
}

.page-products__tab-btn.tag--active {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: #fff;
  box-shadow: 0 8px 22px rgba(255, 92, 53, 0.3);
}

.page-products__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-content: start;
}

.page-products__card {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--radius-print);
  border: 1px solid var(--silver-line);
  box-shadow: 0 10px 30px rgba(10, 27, 58, 0.12);
  background: var(--paper-white);
}

.page-products__card--ios {
  border-top: 4px solid var(--accent-orange);
}

.page-products__card--android {
  border-top: 4px solid var(--success-green);
}

.page-products__card--windows {
  border-top: 4px solid var(--bright-blue);
}

.page-products__card--macos {
  border-top: 4px solid var(--warning-amber);
}

.page-products__card-mark {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.page-products__card-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  border-radius: 12px;
  background: rgba(10, 27, 58, 0.08);
  color: var(--deep-blue);
  display: grid;
  place-items: center;
}

.page-products__card h3 {
  font-family: var(--font-title);
  font-size: 20px;
  margin: 0 0 2px;
  color: var(--deep-blue);
}

.page-products__ver {
  font-size: 13px;
  color: #5A6B7E;
}

.page-products__card-desc {
  font-size: 15px;
  color: #33445C;
  margin: 0 0 18px;
}

.page-products__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 18px;
  padding: 14px 0;
  border-top: 1px solid #E3E9F0;
  border-bottom: 1px solid #E3E9F0;
}

.page-products__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #7A8A9E;
}

.page-products__facts dd {
  margin: 4px 0 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-gray);
}

.page-products__links {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products__index {
  margin-top: 40px;
  padding-top: 14px;
  border-top: 1px solid rgba(184, 194, 204, 0.3);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--silver-line);
}

/* ---- 跨平台协同 ---- */
.page-products__sync {
  background: #fff;
}

.page-products__sync-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-products__lead {
  font-size: 16px;
  color: #33445C;
  margin: 0 0 22px;
}

.page-products__sync-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  gap: 10px;
}

.page-products__sync-list li {
  padding-left: 24px;
  position: relative;
  color: #1E2A3A;
}

.page-products__sync-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 2px;
  background: var(--accent-orange);
}

.page-products__sync-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products__sync-media {
  border-radius: 12px;
}

/* ---- iOS 浏览器记录同步 ---- */
.page-products__ios {
  background: linear-gradient(180deg, #E7EEF8 0%, var(--paper-white) 100%);
}

.page-products__ios-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-products__ios-media {
  border-radius: 12px;
}

.page-products__steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: grid;
  gap: 14px;
}

.page-products__steps li {
  position: relative;
  padding-left: 34px;
  font-size: 15px;
  counter-increment: step;
  color: #1E2A3A;
}

.page-products__steps li::before {
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-orange);
  background: rgba(255, 92, 53, 0.1);
  border-radius: 4px;
  padding: 2px 6px;
}

.page-products__tip {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: rgba(45, 198, 140, 0.1);
  border-left: 3px solid var(--success-green);
  border-radius: 4px;
  padding: 12px 16px;
}

.page-products__tip p {
  margin: 0;
  font-size: 14px;
  color: #1E2A3A;
}

.page-products__tip a {
  color: var(--bright-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- 核心功能对比 ---- */
.page-products__compare {
  position: relative;
  background: var(--deep-blue);
  color: #fff;
  overflow: hidden;
}

.page-products__compare-head {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.page-products__compare-meta {
  font-size: 13px;
  color: var(--silver-line);
  letter-spacing: 0.08em;
}

.page-products__compare-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  opacity: 0.18;
}

.page-products__compare-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products__table-wrap {
  position: relative;
  z-index: 1;
  overflow-x: auto;
  border: 1px solid rgba(184, 194, 204, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  padding: 6px;
}

.page-products__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
  background: rgba(10, 27, 58, 0.74);
}

.page-products__table caption {
  caption-side: top;
  text-align: left;
  font-size: 13px;
  color: var(--silver-line);
  padding: 12px 14px;
}

.page-products__table th,
.page-products__table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(184, 194, 204, 0.16);
}

.page-products__table thead th {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--silver-line);
  cursor: pointer;
  transition: background 0.2s ease;
}

.page-products__table thead th:hover,
.page-products__table thead th:focus-visible {
  background: rgba(45, 107, 255, 0.24);
}

.page-products__table tbody th {
  color: #fff;
  font-weight: 500;
  white-space: nowrap;
}

.page-products__table td {
  color: #fff;
}

.page-products__support,
.page-products__limited {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-products__support::before,
.page-products__limited::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.page-products__support {
  color: var(--success-green);
}

.page-products__limited {
  color: var(--warning-amber);
}

.page-products__table-note {
  padding: 12px 14px;
  margin: 0;
  font-size: 12px;
  color: rgba(184, 194, 204, 0.82);
}

/* ---- 版本更新日志 ---- */
.page-products__log {
  background: var(--paper-white);
}

.page-products__log-layout {
  display: grid;
  gap: 44px;
}

.page-products__log-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-products__log-img {
  width: 100%;
  margin: 18px 0 22px;
}

.page-products__log-side .btn {
  align-self: flex-start;
}

.page-products__timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.page-products__timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-orange), var(--silver-line));
}

.page-products__rel {
  position: relative;
  margin-left: 30px;
  background: #fff;
  border: 1px solid #E3E9F0;
  border-radius: var(--radius-print);
  padding: 22px 24px;
}

.page-products__rel::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-orange);
  border: 3px solid var(--paper-white);
  box-shadow: 0 0 0 2px var(--accent-orange);
}

.page-products__rel > summary {
  list-style: none;
  cursor: pointer;
}

.page-products__rel > summary::-webkit-details-marker {
  display: none;
}

.page-products__rel-ver-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  width: 100%;
}

.page-products__rel-ver {
  font-size: 20px;
  font-weight: 700;
  color: var(--deep-blue);
  margin-right: 12px;
}

.page-products__rel-cue {
  font-size: 12px;
  color: var(--bright-blue);
}

.page-products__rel[open] .page-products__rel-cue::before {
  content: "收起";
}

.page-products__rel:not([open]) .page-products__rel-cue::before {
  content: "展开";
}

.page-products__rel-body {
  padding-top: 14px;
}

.page-products__rel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.page-products__rel ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 15px;
  color: #33445C;
}

/* ---- 安装注意事项 ---- */
.page-products__notice {
  background: #fff;
  border-top: 1px solid var(--silver-line);
  border-bottom: 1px solid var(--silver-line);
}

.page-products__notice-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-products__notice-list {
  margin: 0 0 22px;
  padding-left: 18px;
  display: grid;
  gap: 15px;
  font-size: 15px;
  color: #1E2A3A;
}

.page-products__notice-list strong {
  color: var(--deep-blue);
}

.page-products__notice-foot {
  font-size: 13px;
  color: #5A6B7E;
  background: rgba(45, 198, 140, 0.08);
  border-left: 3px solid var(--success-green);
  padding: 10px 14px;
  margin-bottom: 22px;
}

.page-products__notice-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products__notice-img {
  border-radius: 12px;
}

/* ---- CTA 区块 ---- */
.page-products__cta {
  background: var(--deep-blue);
}

.page-products__cta-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid rgba(184, 194, 204, 0.28);
  border-radius: 12px;
  padding: 34px 30px;
  background:
    radial-gradient(circle at 88% 20%, rgba(45, 107, 255, 0.28), transparent 44%),
    linear-gradient(135deg, rgba(255, 92, 53, 0.12), transparent 36%),
    var(--deep-blue);
}

.page-products__cta-box p {
  margin: 8px 0 0;
  color: rgba(244, 247, 251, 0.78);
  max-width: 560px;
}

.page-products__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
  padding: 22px 0 0;
  border-top: 1px solid rgba(184, 194, 204, 0.22);
}

.page-products__stats div {
  display: grid;
  gap: 4px;
}

.page-products__stats span {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
}

.page-products__stats small {
  font-size: 13px;
  color: rgba(184, 194, 204, 0.8);
}

/* ---- 响应式 ---- */
@media (min-width: 720px) {
  .page-products__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products__head .page-head__title {
    font-size: 48px;
  }

  .page-products__section-title {
    font-size: 34px;
  }
}

@media (min-width: 960px) {
  .page-products__platform,
  .page-products__sync,
  .page-products__ios,
  .page-products__compare,
  .page-products__log,
  .page-products__notice,
  .page-products__cta {
    padding: 92px 0;
  }

  .page-products__head {
    padding: 40px 0 56px;
  }

  .page-products__platform-layout {
    grid-template-columns: 220px 1fr;
    gap: 36px;
  }

  .page-products__tabs {
    flex-direction: column;
    align-items: stretch;
    position: sticky;
    top: 110px;
  }

  .page-products__tab-btn {
    width: 100%;
  }

  .page-products__sync-grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 52px;
  }

  .page-products__ios-grid {
    grid-template-columns: 0.94fr 1.06fr;
    gap: 52px;
  }

  .page-products__log-layout {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 56px;
  }

  .page-products__notice-grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products__tab-btn,
  .page-products__table thead th {
    transition: none;
  }
}