.page-products {
  --exp-index-w: 232px;
  --exp-shadow: 0 1px 0 rgba(20, 26, 23, 0.04);
}

/* 首屏 */
.page-products .exp-hero {
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(242, 107, 42, 0.22), transparent 58%),
    linear-gradient(158deg, var(--c-night) 0%, var(--c-green-deep) 72%, #07553A 100%);
  color: var(--c-fog);
  border-bottom: 2px solid var(--accent);
}

.page-products .exp-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
  padding-block: clamp(30px, 6vw, 76px);
  align-items: center;
}

.page-products .exp-hero .eyebrow {
  color: var(--c-sand);
  letter-spacing: 0.18em;
}

.page-products .exp-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.12;
  letter-spacing: 0.04em;
  margin: 10px 0 0;
  color: #FFFFFF;
}

.page-products .exp-hero .lede {
  margin-top: 18px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: #D7E4DB;
  max-width: 60ch;
}

.page-products .exp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .exp-hero .btn-ghost {
  border: 1px solid rgba(245, 247, 242, 0.45);
  background: transparent;
  color: var(--c-fog);
}

.page-products .exp-hero .btn-ghost:hover,
.page-products .exp-hero .btn-ghost:focus-visible {
  border-color: var(--accent);
  color: #FFFFFF;
}

.page-products .exp-hero-note {
  margin-top: 22px;
  padding-left: 12px;
  border-left: 2px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: #A9C4B6;
}

.page-products .exp-hero-visual {
  order: -1;
}

.page-products .exp-hero-svg {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(143, 214, 196, 0.28);
}

/* 分栏骨架 */
.page-products .exp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 44px);
  padding-block: clamp(28px, 5vw, 64px);
}

.page-products .exp-index {
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 10px;
}

.page-products .exp-index-title {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  margin: 0 0 10px;
}

.page-products .exp-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .exp-index-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  white-space: nowrap;
  border: 1px solid var(--hairline);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .exp-index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brand);
}

.page-products .exp-index-link:hover,
.page-products .exp-index-link:focus-visible {
  border-color: var(--accent);
  color: var(--c-green-deep);
  transform: translateY(-1px);
}

.page-products .exp-index-link:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--focus-halo);
}

/* 章节 */
.page-products .exp-block {
  padding-block: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--hairline);
  scroll-margin-top: 24px;
}

.page-products .exp-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .exp-block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-products .exp-block-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.page-products .exp-block-head h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--text);
}

.page-products .exp-text {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--text);
  max-width: 66ch;
}

.page-products .exp-block h3 {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  margin: 0 0 8px;
  color: var(--text);
}

/* 筛选说明 */
.page-products .exp-filter-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-products .exp-filter {
  background: var(--surface);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
}

.page-products .exp-filter-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-blue);
}

.page-products .exp-filter-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* 图片 */
.page-products .exp-figure {
  margin: 24px 0 0;
}

.page-products .exp-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--hairline);
  object-fit: cover;
  background: linear-gradient(150deg, #0A3A2A, #03291F);
}

.page-products .exp-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

/* 版本卡片 */
.page-products .exp-version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

.page-products .exp-version {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 20px 18px 18px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .exp-version::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--c-blue);
}

.page-products .exp-version--new::before {
  background: var(--accent);
}

.page-products .exp-version:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.page-products .exp-version-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .exp-version-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-products .exp-version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--hairline);
}

/* 对照表 */
.page-products .exp-table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--hairline);
  background: var(--surface);
}

.page-products .exp-compare {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .exp-compare caption {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--hairline);
}

.page-products .exp-compare th,
.page-products .exp-compare td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
  line-height: 1.6;
  vertical-align: top;
}

.page-products .exp-compare thead th {
  background: var(--c-green-deep);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.03em;
  border-bottom: 0;
}

.page-products .exp-compare tbody th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 400;
  white-space: nowrap;
  background: #FBFCF9;
}

.page-products .exp-compare tbody tr:hover td {
  background: rgba(242, 107, 42, 0.06);
}

.page-products .exp-compare tbody tr:last-child th,
.page-products .exp-compare tbody tr:last-child td {
  border-bottom: 0;
}

/* 时间轴 */
.page-products .exp-timeline {
  list-style: none;
  margin: 22px 0 0;
  padding: 0 0 0 30px;
  position: relative;
}

.page-products .exp-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-orange) 0%, var(--c-blue) 60%, var(--c-mint) 100%);
}

.page-products .exp-timeline-item {
  position: relative;
  padding-bottom: 20px;
}

.page-products .exp-timeline-item:last-child {
  padding-bottom: 0;
}

.page-products .exp-timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent);
  background: var(--paper);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .exp-timeline-item:hover::before {
  background: var(--accent);
}

.page-products .exp-timeline-time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-blue);
  margin-bottom: 4px;
}

.page-products .exp-timeline-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 60ch;
}

/* 多端示意 */
.page-products .exp-device-block {
  margin-top: 26px;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--hairline);
}

.page-products .exp-devices {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-top: 16px;
}

.page-products .exp-device {
  border: 1px solid var(--c-line);
  background: var(--c-fog);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
}

.page-products .exp-device--phone {
  width: 74px;
  height: 138px;
  flex: none;
  border-color: var(--accent);
}

.page-products .exp-device--desk {
  flex: 1 1 auto;
  height: 138px;
  flex-direction: row;
  gap: 8px;
  align-items: stretch;
}

.page-products .exp-device-bar {
  height: 6px;
  background: var(--c-line);
  width: 100%;
}

.page-products .exp-device-bar--accent {
  background: var(--accent);
  height: 4px;
}

.page-products .exp-device-bar--short {
  width: 62%;
}

.page-products .exp-device-col {
  flex: 1 1 0;
  background: var(--c-line);
  opacity: 0.7;
}

.page-products .exp-device-col--wide {
  flex: 2 1 0;
  background: linear-gradient(180deg, var(--c-mint), var(--c-line));
  opacity: 0.85;
}

/* 复盘说明卡 */
.page-products .exp-note-card {
  margin-top: 20px;
  padding: 18px;
  background: #FBFCF9;
  border-left: 3px solid var(--accent);
  border-top: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.page-products .exp-note-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 8px;
}

.page-products .exp-note-card p:last-child {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  max-width: 60ch;
}

/* 订阅频道 */
.page-products .exp-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

.page-products .exp-channel {
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .exp-channel h3 {
  color: var(--c-green-deep);
}

.page-products .exp-channel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-products .exp-channel:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--exp-shadow);
}

/* 新手步骤 */
.page-products .exp-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  counter-reset: none;
}

.page-products .exp-step {
  position: relative;
  padding: 18px 18px 18px 18px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--c-mint);
}

.page-products .exp-step-num {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--c-green);
  display: block;
  margin-bottom: 6px;
}

.page-products .exp-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-products .exp-step:hover {
  border-top-color: var(--accent);
}

/* 链接行 */
.page-products .exp-linkline {
  margin: 20px 0 0;
}

.page-products .exp-link {
  display: inline-block;
  font-size: 14px;
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--c-blue);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .exp-link:hover,
.page-products .exp-link:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.page-products .exp-link:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px var(--focus-halo);
}

/* 尾段 CTA */
.page-products .exp-cta {
  margin-top: clamp(20px, 4vw, 44px);
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(46, 111, 158, 0.35), transparent 62%),
    linear-gradient(120deg, var(--c-green-deep), var(--c-night));
  color: var(--c-fog);
  border-top: 2px solid var(--accent);
}

.page-products .exp-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding-block: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-products .exp-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: 0.03em;
  margin: 0 0 10px;
  color: #FFFFFF;
}

.page-products .exp-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #C8DACE;
  max-width: 60ch;
}

.page-products .exp-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .exp-cta .btn-ghost {
  border: 1px solid rgba(245, 247, 242, 0.45);
  background: transparent;
  color: var(--c-fog);
}

.page-products .exp-cta .btn-ghost:hover,
.page-products .exp-cta .btn-ghost:focus-visible {
  border-color: var(--accent);
  color: #FFFFFF;
}

/* 断点 */
@media (min-width: 560px) {
  .page-products .exp-filter-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 860px) {
  .page-products .exp-hero-visual {
    order: 0;
  }

  .page-products .exp-hero-grid {
    grid-template-columns: 1.12fr 0.88fr;
  }

  .page-products .exp-layout {
    grid-template-columns: var(--exp-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .exp-index {
    position: sticky;
    top: 84px;
    border-bottom: 0;
    border-left: 1px solid var(--hairline);
    padding: 4px 0 4px 18px;
  }

  .page-products .exp-index-title {
    display: block;
  }

  .page-products .exp-index-list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 0;
  }

  .page-products .exp-index-link {
    border: 0;
    border-bottom: 1px solid transparent;
    background: transparent;
    padding: 6px 0;
    min-height: 0;
    width: 100%;
    white-space: normal;
    color: var(--text-muted);
  }

  .page-products .exp-index-link:hover,
  .page-products .exp-index-link:focus-visible {
    border-bottom-color: var(--accent);
    color: var(--c-green-deep);
    transform: none;
  }

  .page-products .exp-block {
    scroll-margin-top: 96px;
  }

  .page-products .exp-device-block {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
    align-items: center;
    padding: 24px;
  }

  .page-products .exp-devices {
    margin-top: 0;
  }

  .page-products .exp-cta-inner {
    grid-template-columns: 1fr auto;
    gap: 32px;
  }

  .page-products .exp-cta-actions {
    justify-content: flex-end;
  }
}

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

  .page-products .exp-channels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .exp-index-link,
  .page-products .exp-version,
  .page-products .exp-channel,
  .page-products .exp-timeline-item::before,
  .page-products .exp-link {
    transition: none;
  }

  .page-products .exp-version:hover,
  .page-products .exp-channel:hover,
  .page-products .exp-index-link:hover {
    transform: none;
  }
}