.page-products {
  --fp-radius: 2px;
}

.page-products .fp-hero {
  padding: 22px 0 6px;
}

.page-products .fp-hero__inner {
  display: grid;
  gap: 26px;
}

.page-products .fp-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(30px, 7vw, 48px);
  letter-spacing: 0.08em;
  line-height: 1.14;
  color: var(--snow);
}

.page-products .fp-lede {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--snow);
}

.page-products .fp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .fp-hero__media {
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-hard);
  margin: 0;
}

.page-products .fp-hero__media img,
.page-products .fp-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .fp-layout {
  display: grid;
  gap: 26px;
  margin-top: 44px;
  padding-bottom: 56px;
}

.page-products .fp-index {
  border: 2px solid var(--line-strong);
  background: var(--bg-card);
  box-shadow: var(--shadow-hard-sm);
  padding: 16px;
}

.page-products .fp-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .fp-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-products .fp-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  color: var(--mute);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .fp-index__list .num {
  font-size: 12px;
  color: var(--cyan);
}

.page-products .fp-index__list a:hover,
.page-products .fp-index__list a:focus-visible {
  color: var(--snow);
  border-left-color: var(--gold);
  background: rgba(232, 179, 60, 0.08);
}

.page-products .fp-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

.page-products .fp-flow {
  min-width: 0;
  display: grid;
  gap: 0;
}

.page-products .fp-block {
  padding: 40px 0 10px;
  border-top: 2px solid var(--line);
  scroll-margin-top: 108px;
}

.page-products .fp-flow > .fp-block:first-child {
  border-top: none;
  padding-top: 0;
}

.page-products .fp-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
}

.page-products .fp-block h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(21px, 3.6vw, 30px);
  letter-spacing: 0.06em;
  line-height: 1.28;
  color: var(--snow);
}

.page-products .fp-subhead {
  margin: 30px 0 12px;
  font-family: var(--font-heading);
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--snow);
}

.page-products .fp-p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--snow);
}

.page-products .fp-p--sm {
  font-size: 15px;
  color: var(--mute);
  margin-bottom: 12px;
}

.page-products .fp-p--note {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--cyan);
  background: rgba(47, 168, 184, 0.08);
  font-size: 15px;
  color: var(--snow);
}

.page-products .fp-figure {
  margin: 24px 0 8px;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard-sm);
}

.page-products .fp-figure figcaption {
  padding: 10px 14px;
  border-top: 2px solid var(--line-strong);
  background: var(--bg-card);
  font-size: 13px;
  color: var(--mute);
  line-height: 1.6;
}

/* 层级树 */
.page-products .fp-tree {
  display: grid;
  gap: 12px;
  margin: 22px 0 6px;
}

.page-products .fp-lv {
  border: 2px solid var(--line-strong);
  background: var(--bg-card);
  box-shadow: var(--shadow-hard-sm);
}

.page-products .fp-lv--sub {
  background: rgba(47, 168, 184, 0.07);
  border-left: 3px solid var(--cyan);
  box-shadow: none;
}

.page-products .fp-lv > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
}

.page-products .fp-lv > summary::-webkit-details-marker {
  display: none;
}

.page-products .fp-lv > summary::after {
  content: "+";
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-products .fp-lv[open] > summary::after {
  content: "–";
}

.page-products .fp-lv__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .fp-lv__name {
  font-family: var(--font-heading);
  font-size: 17px;
  letter-spacing: 0.05em;
  color: var(--snow);
}

.page-products .fp-lv__hint {
  display: none;
  margin-left: auto;
  font-size: 13px;
  color: var(--mute);
}

.page-products .fp-lv__panel {
  display: grid;
  gap: 12px;
  padding: 0 15px 15px;
}

.page-products .fp-lv__leaf {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  background: rgba(232, 179, 60, 0.06);
}

.page-products .fp-lv__leaf p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--snow);
}

.page-products .fp-lv__leaf strong {
  color: var(--gold);
  font-weight: 600;
}

/* 步骤 */
.page-products .fp-steps {
  list-style: none;
  margin: 20px 0 6px;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: fp-step;
}

.page-products .fp-steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 14px;
  border: 2px solid var(--line-strong);
  background: var(--bg-card);
  box-shadow: var(--shadow-hard-sm);
  transition: transform 0.24s var(--ease);
}

.page-products .fp-steps li:hover {
  transform: translate(-2px, -2px);
}

.page-products .fp-steps__no {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--gold);
  line-height: 1.2;
}

.page-products .fp-steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 17px;
  letter-spacing: 0.05em;
  color: var(--snow);
}

.page-products .fp-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mute);
}

.page-products .fp-steps--flow {
  grid-template-columns: 1fr;
}

.page-products .fp-flow-item {
  border-top: 2px solid var(--line-strong);
  padding-top: 14px;
}

.page-products .fp-flow-item .fp-steps__no {
  display: block;
  margin-bottom: 6px;
  color: var(--cyan);
}

.page-products .fp-flow-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 17px;
  letter-spacing: 0.05em;
  color: var(--snow);
}

.page-products .fp-flow-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mute);
}

/* 筛选胶囊 */
.page-products .fp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 6px;
}

.page-products .fp-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 2px solid var(--line-strong);
  border-radius: 999px;
  font-size: 14px;
  color: var(--mute);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .fp-chip input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.page-products .fp-chip:hover {
  color: var(--snow);
  border-color: var(--gold-dark);
}

.page-products .fp-chip:has(input:checked) {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(232, 179, 60, 0.1);
}

.page-products .fp-chip:has(input:focus-visible) {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 清单表格 */
.page-products .fp-table-wrap {
  margin: 22px 0 6px;
  overflow-x: auto;
  border: 2px solid var(--line-strong);
  background: var(--bg-card);
  box-shadow: var(--shadow-hard-sm);
  -webkit-overflow-scrolling: touch;
}

.page-products .fp-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .fp-table caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mute);
  border-bottom: 1px solid var(--line);
}

.page-products .fp-table th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border-bottom: 2px solid var(--line-strong);
  white-space: nowrap;
}

.page-products .fp-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--snow);
  white-space: nowrap;
}

.page-products .fp-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .fp-table tbody tr:hover {
  background: rgba(232, 179, 60, 0.06);
}

.page-products .fp-table .num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
}

/* 指标条 */
.page-products .fp-metrics {
  display: grid;
  gap: 16px;
  margin: 22px 0 24px;
}

.page-products .fp-metric__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-products .fp-metric__label {
  font-size: 15px;
  color: var(--snow);
}

.page-products .fp-metric__value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold);
}

.page-products .fp-bar {
  height: 14px;
  border: 2px solid var(--line-strong);
  background: var(--bg-card);
}

.page-products .fp-bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}

.page-products .fp-bar__fill--wide {
  width: 100%;
}

.page-products .fp-bar__fill--narrow {
  width: 17%;
}

.page-products .fp-bar__fill--mid {
  width: 58%;
}

/* 对照卡片 */
.page-products .fp-lookup {
  display: grid;
  gap: 16px;
  margin: 22px 0 6px;
}

.page-products .fp-lookup__card {
  display: grid;
  gap: 8px;
  padding: 18px 16px;
  border: 2px solid var(--line-strong);
  background: var(--bg-card);
  box-shadow: var(--shadow-hard-sm);
  text-decoration: none;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .fp-lookup__card:hover,
.page-products .fp-lookup__card:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--gold);
}

.page-products .fp-lookup__card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 18px;
  letter-spacing: 0.05em;
  color: var(--snow);
}

.page-products .fp-lookup__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mute);
}

.page-products .fp-lookup__cta {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

/* 技巧 */
.page-products .fp-tips {
  list-style: none;
  margin: 0 0 6px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .fp-tips li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 14px;
  border: 2px solid var(--line);
  background: rgba(16, 34, 74, 0.6);
  font-size: 15px;
  line-height: 1.7;
  color: var(--snow);
}

.page-products .fp-tips .num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  line-height: 1.7;
}

/* 结尾引导 */
.page-products .fp-cta {
  margin-top: 32px;
  padding: 22px 18px;
  border: 2px solid var(--gold);
  background: linear-gradient(135deg, rgba(232, 179, 60, 0.12), rgba(10, 22, 51, 0.4));
  box-shadow: var(--shadow-hard-sm);
}

.page-products .fp-cta p {
  margin: 0 0 18px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--snow);
}

.page-products .fp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 620px) {
  .page-products .fp-steps--flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-products .fp-hero {
    padding: 34px 0 10px;
  }

  .page-products .fp-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 44px;
  }

  .page-products .fp-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .fp-index {
    position: sticky;
    top: 96px;
  }

  .page-products .fp-lv__hint {
    display: inline;
  }

  .page-products .fp-steps--flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-products .fp-block {
    padding-top: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fp-steps li:hover,
  .page-products .fp-lookup__card:hover {
    transform: none;
  }
}
</main>