.page-products {
  --prod-rail: 210px;
  display: block;
}

.page-products .workbench {
  padding-block: clamp(16px, 2.6vw, 26px) clamp(48px, 7vw, 86px);
}

/* ---------- 首屏框景 ---------- */
.page-products .hero-frame {
  position: relative;
  overflow: hidden;
  margin-top: clamp(12px, 2vw, 20px);
  padding: clamp(22px, 4.4vw, 46px);
  border: 1px solid rgba(231, 111, 60, 0.55);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 92% at 88% 6%, rgba(249, 217, 199, 0.88), rgba(249, 217, 199, 0) 62%),
    linear-gradient(158deg, #FFFDF8 0%, var(--cream) 58%, #F2ECDF 100%);
}

.page-products .hero-frame::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(231, 111, 60, 0.32);
  border-radius: calc(var(--radius) - 8px);
  pointer-events: none;
}

.page-products .hero-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, rgba(30, 42, 68, 0.42) 0 1px, transparent 1px 14px);
  opacity: 0.45;
  pointer-events: none;
}

.page-products .hero-grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
}

.page-products .hero-eyebrow {
  margin: 0 0 10px;
  color: var(--orange);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-products .products-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.4vw, 66px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-products .hero-lede {
  max-width: 46ch;
  margin: 0 0 22px;
  color: var(--indigo);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .btn-group .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-products .btn--primary {
  background: var(--amber);
  color: var(--ink);
  border-color: rgba(30, 42, 68, 0.16);
  box-shadow: 0 10px 22px -16px rgba(30, 42, 68, 0.8);
}

.page-products .btn--outline {
  background: rgba(255, 255, 255, 0.7);
  color: var(--indigo);
  border-color: rgba(45, 62, 107, 0.28);
}

.page-products .btn--primary:hover,
.page-products .btn--outline:hover {
  transform: translateY(-1px);
  border-color: var(--orange);
}

.page-products .hero-panel {
  align-self: end;
  padding: 18px 18px 16px;
  border: 1px solid rgba(30, 42, 68, 0.14);
  border-radius: var(--radius);
  background: var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.page-products .ver-chip {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--amber);
  border-radius: 999px;
  background: rgba(217, 154, 43, 0.16);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-products .hero-panel-meta {
  margin: 12px 0 14px;
  color: var(--indigo);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-products .quick-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-products .quick-list li + li {
  border-top: 1px solid var(--rule);
}

.page-products .quick-list a {
  display: block;
  padding: 10px 0;
  font-family: var(--font-ui);
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
}

.page-products .quick-list a:hover,
.page-products .quick-list a:focus-visible {
  color: var(--orange);
}

.page-products .hero-panel-foot {
  margin: 14px 0 0;
  color: var(--grey);
  font-size: 11.5px;
}

/* ---------- 轨道 + 主板 ---------- */
.page-products .products-shell {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(30px, 5vw, 52px);
}

.page-products .rail-inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-products .rail-title {
  display: none;
  margin: 0 0 10px;
  color: var(--grey);
  font-size: 11.5px;
  letter-spacing: 0.12em;
}

.page-products .rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid rgba(30, 42, 68, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.page-products .rail-num {
  color: var(--orange);
  font-size: 11px;
}

.page-products .rail-link:hover,
.page-products .rail-link:focus-visible {
  border-color: var(--orange);
  background: var(--orange-soft);
  color: var(--indigo);
}

/* ---------- 章节通用 ---------- */
.page-products .work-section {
  padding-block: clamp(30px, 5vw, 58px);
  border-top: 1px solid var(--rule);
}

.page-products .work-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .ws-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .eyebrow {
  margin: 0 0 10px;
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-products .ws-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .ws-lede {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--indigo);
}

/* ---------- 版本条 ---------- */
.page-products .version-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 0 0 22px;
  padding: 12px 16px;
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 0 0 1px rgba(30, 42, 68, 0.08);
  font-size: 12px;
  color: var(--indigo);
  letter-spacing: 0.03em;
}

.page-products .vb-item--current {
  color: var(--ink);
  font-weight: 700;
}

.page-products .vb-sep {
  color: rgba(45, 62, 107, 0.4);
}

.page-products .version-bar--compact {
  margin-top: 18px;
  border-left-color: var(--grass);
}

/* ---------- 事实清单 ---------- */
.page-products .fact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .fact-list li {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  box-shadow: inset 0 0 0 1px rgba(30, 42, 68, 0.09);
}

.page-products .fact-key {
  color: var(--grass);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.page-products .fact-text {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 板块查询 ---------- */
.page-products .sector-layout {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-products .sector-grid {
  display: grid;
  gap: 14px;
}

.page-products .sector-card {
  padding: 18px 18px 20px;
  border-radius: var(--radius-sm);
  background: var(--paper);
  box-shadow: inset 0 0 0 1px rgba(30, 42, 68, 0.09);
}

.page-products .sector-card--orange {
  border-top: 3px solid var(--orange);
}

.page-products .sector-card--grass {
  border-top: 3px solid var(--grass);
}

.page-products .sector-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .sector-card p {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--indigo);
}

/* ---------- 图片 ---------- */
.page-products .media {
  margin: 0;
}

.page-products .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  background: linear-gradient(150deg, var(--orange-soft), var(--cream));
}

.page-products .media__caption {
  margin-top: 10px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--grey);
}

/* ---------- iOS 注册 ---------- */
.page-products .work-section--ios {
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(249, 217, 199, 0.55), rgba(249, 217, 199, 0) 60%);
  border-radius: var(--radius);
}

.page-products .ios-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

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

.page-products .step-item details {
  border: 1px solid rgba(30, 42, 68, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  overflow: hidden;
}

.page-products .step-item details[open] {
  border-color: rgba(231, 111, 60, 0.55);
  background: var(--paper);
}

.page-products .step-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

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

.page-products .step-num {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--orange-soft);
  color: var(--indigo);
  font-size: 11.5px;
}

.page-products .step-item details[open] .step-num {
  background: var(--amber);
  color: var(--ink);
}

.page-products .step-item p {
  margin: 0;
  padding: 0 16px 16px 16px;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--indigo);
}

.page-products .ios-tail {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .panel {
  padding: 20px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.66);
  box-shadow: inset 0 0 0 1px rgba(30, 42, 68, 0.1);
  backdrop-filter: blur(6px);
}

.page-products .ios-note h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
}

.page-products .tight-list {
  margin: 0;
  padding-left: 18px;
  font-family: var(--font-ui);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--indigo);
}

.page-products .tight-list li + li {
  margin-top: 8px;
}

.page-products .tight-list strong {
  color: var(--ink);
}

/* ---------- 旧版核验 ---------- */
.page-products .legacy-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .legacy-progress {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--orange-soft);
  align-self: start;
}

.page-products .progress-ring {
  width: 104px;
  height: 104px;
  flex: 0 0 auto;
}

.page-products .ring-track,
.page-products .ring-value {
  fill: none;
  stroke-width: 8;
}

.page-products .ring-track {
  stroke: rgba(30, 42, 68, 0.14);
}

.page-products .ring-value {
  stroke: var(--amber);
  stroke-linecap: round;
  stroke-dasharray: 327;
  stroke-dashoffset: 0;
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
}

.page-products .ring-num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  fill: var(--ink);
}

.page-products .ring-cap {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--indigo);
}

.page-products .legacy-legend {
  margin: 0;
  font-size: 12px;
  line-height: 1.9;
  color: var(--indigo);
  letter-spacing: 0.03em;
}

.page-products .legacy-groups {
  display: grid;
  gap: 10px;
}

.page-products .legacy-group {
  border: 1px solid rgba(30, 42, 68, 0.12);
  border-radius: var(--radius-sm);
  background: var(--paper);
  overflow: hidden;
}

.page-products .legacy-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  border-left: 3px solid var(--grass);
}

.page-products .legacy-group summary::-webkit-details-marker {
  display: none;
}

.page-products .legacy-group[open] summary {
  border-left-color: var(--orange);
  background: rgba(249, 217, 199, 0.45);
}

.page-products .group-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .group-count {
  color: var(--grass);
  font-size: 11.5px;
}

.page-products .legacy-list {
  margin: 0;
  padding: 14px 16px 18px 34px;
  font-family: var(--font-ui);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--indigo);
}

.page-products .legacy-list li + li {
  margin-top: 6px;
}

.page-products .legacy-list li::marker {
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-products .legacy-media {
  margin-top: clamp(20px, 3vw, 28px);
}

/* ---------- 版本差异表 ---------- */
.page-products .compare-scroll {
  overflow-x: auto;
  border: 1px solid rgba(30, 42, 68, 0.12);
  border-radius: var(--radius);
  background: var(--paper);
}

.page-products .compare-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 14.5px;
}

.page-products .compare-caption {
  padding: 12px 16px;
  text-align: left;
  color: var(--grey);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

.page-products .compare-table th,
.page-products .compare-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--rule);
}

.page-products .compare-table thead th {
  background: var(--indigo);
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  border-top: 0;
}

.page-products .compare-table tbody th {
  width: 26%;
  font-weight: 600;
  color: var(--ink);
  background: rgba(247, 241, 229, 0.75);
}

.page-products .compare-table tbody td {
  color: var(--indigo);
}

.page-products .compare-table tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.6);
}

.page-products .compare-media {
  margin-top: clamp(20px, 3vw, 28px);
}

/* ---------- 帮助卡片 ---------- */
.page-products .work-section--help {
  border-top: 0;
}

.page-products .help-grid {
  display: grid;
  gap: 14px;
}

.page-products .help-card {
  display: block;
  padding: 20px;
  border: 1px solid rgba(30, 42, 68, 0.12);
  border-radius: var(--radius);
  background: var(--paper);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-products .help-card:hover,
.page-products .help-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--orange);
  box-shadow: var(--shadow);
}

.page-products .help-tag {
  color: var(--grass);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.page-products .help-card h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
}

.page-products .help-card p {
  margin: 0 0 14px;
  font-family: var(--font-ui);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--indigo);
}

.page-products .help-go {
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--orange);
}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width: 620px) {
  .page-products .fact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .sector-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .ios-tail {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.58fr);
    align-items: end;
  }

  .page-products .sector-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .sector-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .sector-card:nth-child(2),
  .page-products .sector-card:nth-child(4) {
    margin-top: 22px;
  }

  .page-products .ios-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .legacy-layout {
    grid-template-columns: minmax(0, 0.34fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .legacy-progress {
    flex-direction: column;
    align-items: flex-start;
    position: sticky;
    top: 96px;
  }

  .page-products .compare-table {
    min-width: 100%;
  }
}

@media (min-width: 960px) {
  .page-products .products-shell {
    grid-template-columns: var(--prod-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .version-rail {
    position: sticky;
    top: 92px;
  }

  .page-products .rail-inner {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 2px;
  }

  .page-products .rail-title {
    display: block;
  }

  .page-products .rail-link {
    border: 0;
    border-left: 2px solid rgba(30, 42, 68, 0.14);
    border-radius: 0 999px 999px 0;
    background: transparent;
    padding: 9px 12px;
  }

  .page-products .rail-link:hover,
  .page-products .rail-link:focus-visible {
    border-left-color: var(--orange);
    background: rgba(249, 217, 199, 0.55);
  }
}

@media (min-width: 1080px) {
  .page-products .help-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .btn,
  .page-products .rail-link,
  .page-products .help-card {
    transition: none;
  }

  .page-products .btn:hover,
  .page-products .help-card:hover {
    transform: none;
  }

  .page-products .step-item details,
  .page-products .legacy-group {
    animation: none;
  }
}