.page-products {
  --prod-rail: 4px;
}

/* ---------- 首屏 ---------- */
.page-products .fh-prodhero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--fh-ink);
  padding: 8px 0 56px;
}

.page-products .fh-prodhero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: 0.26;
  z-index: -2;
}

.page-products .fh-prodhero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 85% at 82% 0%, rgba(0, 229, 199, 0.16), transparent 62%),
    radial-gradient(90% 70% at 8% 100%, rgba(255, 107, 53, 0.1), transparent 60%),
    linear-gradient(180deg, rgba(6, 17, 13, 0.62) 0%, rgba(6, 17, 13, 0.9) 62%, var(--fh-ink) 100%);
}

.page-products .fh-prodhero__inner {
  padding-top: 18px;
}

.page-products .fh-prodhero__kicker {
  margin: 22px 0 0;
  font-family: var(--fh-display);
  font-size: var(--fh-fs-14);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--fh-cyan);
}

.page-products .fh-prodhero__title {
  margin: 14px 0 0;
  font-family: var(--fh-display);
  font-weight: 700;
  font-size: clamp(2rem, 7.4vw, 4rem);
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--fh-text);
  max-width: 15em;
}

.page-products .fh-prodhero__lead {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: var(--fh-fs-16);
  line-height: 1.78;
  color: var(--fh-muted);
}

.page-products .fh-prodhero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .fh-prodhero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 40px 0 0;
  padding: 0;
}

.page-products .fh-prodhero__stat {
  border-left: 2px solid var(--fh-cyan);
  padding-left: 12px;
  min-width: 0;
}

.page-products .fh-prodhero__stat dt {
  margin: 0;
  font-size: var(--fh-fs-12);
  letter-spacing: 0.06em;
  color: var(--fh-muted);
}

.page-products .fh-prodhero__stat dd {
  margin: 6px 0 0;
  font-size: var(--fh-fs-20);
  color: var(--fh-text);
  word-break: break-word;
}

.page-products .fh-prodhero__stat:nth-child(2) {
  border-left-color: var(--fh-cyan-soft);
}

.page-products .fh-prodhero__stat:nth-child(3) {
  border-left-color: var(--fh-orange);
}

/* ---------- 产品线对照表 ---------- */
.page-products .fh-prodtable {
  min-width: 720px;
}

.page-products .fh-prodtable th[scope="row"] {
  color: var(--fh-text);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .fh-prodtable td {
  color: var(--fh-muted);
  vertical-align: top;
}

.page-products .fh-prodtable__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 9px;
  border-radius: 3px;
  vertical-align: middle;
  background: var(--fh-cyan);
}

.page-products .fh-prodtable__dot--soft {
  background: var(--fh-cyan-soft);
}

.page-products .fh-prodtable__dot--orange {
  background: var(--fh-orange);
}

.page-products .fh-prodtable__dot--line {
  background: var(--fh-muted);
}

.page-products .fh-note {
  margin-top: 16px;
}

/* ---------- 移动端栏目 / 宽屏仪表盘 ---------- */
.page-products .fh-dash {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .fh-dash__phone {
  margin: 0 auto;
  max-width: 300px;
  width: 100%;
}

.page-products .fh-dash__wide {
  margin: 0;
}

.page-products .fh-dash__phone img,
.page-products .fh-dash__wide img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--fh-radius-sm);
  border: 1px solid var(--fh-line);
  background: var(--fh-forest-2);
}

.page-products .fh-dash__phone figcaption,
.page-products .fh-dash__wide figcaption {
  margin-top: 10px;
  font-size: var(--fh-fs-14);
  line-height: 1.7;
  color: var(--fh-muted);
}

.page-products .fh-dash__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .fh-dash__list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fh-fs-16);
  line-height: 1.78;
  color: var(--fh-muted);
}

.page-products .fh-dash__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--fh-cyan);
}

.page-products .fh-dash__list strong {
  color: var(--fh-text);
}

.page-products .fh-dash__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--fh-line);
  font-size: var(--fh-fs-14);
  color: var(--fh-muted);
}

/* ---------- 版本号 ---------- */
.page-products .fh-vergrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .fh-vercard {
  position: relative;
  overflow: hidden;
  background: var(--fh-forest);
  border: 1px solid var(--fh-line);
  border-radius: var(--fh-radius);
  padding: 22px 20px 24px 24px;
}

.page-products .fh-vercard::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--prod-rail);
  background: var(--fh-cyan);
}

.page-products .fh-vercard--minor::before {
  background: var(--fh-cyan-soft);
}

.page-products .fh-vercard--patch::before {
  background: var(--fh-orange);
}

.page-products .fh-vercard__pos {
  margin: 0;
  font-family: var(--fh-display);
  font-size: var(--fh-fs-12);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fh-muted);
}

.page-products .fh-vercard__name {
  margin: 10px 0 12px;
  font-family: var(--fh-mono);
  font-size: var(--fh-fs-28);
  line-height: 1.2;
  color: var(--fh-text);
}

.page-products .fh-vercard__desc {
  margin: 0;
  font-size: var(--fh-fs-16);
  line-height: 1.78;
  color: var(--fh-muted);
}

.page-products .fh-verfig {
  margin: 26px 0 0;
}

.page-products .fh-verfig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--fh-radius);
  border: 1px solid var(--fh-line);
  background: var(--fh-forest-2);
}

.page-products .fh-verfig figcaption {
  margin-top: 12px;
  font-size: var(--fh-fs-14);
  line-height: 1.75;
  color: var(--fh-muted);
}

/* ---------- 功能模块 ---------- */
.page-products .fh-modfig {
  margin: 0 0 26px;
}

.page-products .fh-modfig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--fh-radius);
  border: 1px solid var(--fh-line);
  background: var(--fh-forest-2);
}

.page-products .fh-modfig figcaption {
  margin-top: 12px;
  font-size: var(--fh-fs-14);
  line-height: 1.75;
  color: var(--fh-muted);
}

.page-products .fh-mods .fh-accordion__summary {
  font-size: var(--fh-fs-16);
}

.page-products .fh-mods .fh-accordion__body p {
  margin: 0 0 12px;
  font-size: var(--fh-fs-16);
  line-height: 1.78;
  color: var(--fh-muted);
}

.page-products .fh-mods .fh-accordion__body p:last-child {
  margin-bottom: 0;
}

.page-products .fh-mods__tip {
  padding-left: 14px;
  border-left: 2px solid var(--fh-cyan);
  color: var(--fh-cyan-soft) !important;
  font-size: var(--fh-fs-14) !important;
}

/* ---------- 开始使用 ---------- */
.page-products .fh-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .fh-step {
  position: relative;
  background: linear-gradient(180deg, var(--fh-forest-2) 0%, var(--fh-forest) 100%);
  border: 1px solid var(--fh-line);
  border-radius: var(--fh-radius);
  padding: 22px 20px;
}

.page-products .fh-step__no {
  display: block;
  font-size: var(--fh-fs-28);
  color: var(--fh-cyan);
  letter-spacing: 0.06em;
}

.page-products .fh-step__title {
  margin: 10px 0 10px;
  font-family: var(--fh-display);
  font-size: var(--fh-fs-20);
  letter-spacing: 0.04em;
  color: var(--fh-text);
}

.page-products .fh-step__text {
  margin: 0;
  font-size: var(--fh-fs-16);
  line-height: 1.78;
  color: var(--fh-muted);
}

.page-products .fh-step__link {
  color: var(--fh-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .fh-step__link:hover,
.page-products .fh-step__link:focus-visible {
  color: var(--fh-cyan-soft);
}

/* ---------- 更新节奏 ---------- */
.page-products .fh-cadence {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .fh-cadence__item {
  position: relative;
  padding: 20px 20px 20px 26px;
  background: var(--fh-forest);
  border: 1px solid var(--fh-line);
  border-radius: var(--fh-radius-sm);
}

.page-products .fh-cadence__item::before {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 0;
  width: 3px;
  background: var(--fh-orange);
  border-radius: 3px;
}

.page-products .fh-cadence__time {
  margin: 0;
  font-size: var(--fh-fs-14);
  letter-spacing: 0.06em;
  color: var(--fh-orange-soft);
}

.page-products .fh-cadence__title {
  margin: 8px 0 10px;
  font-family: var(--fh-display);
  font-size: var(--fh-fs-20);
  letter-spacing: 0.04em;
  color: var(--fh-text);
}

.page-products .fh-cadence__text {
  margin: 0;
  font-size: var(--fh-fs-16);
  line-height: 1.78;
  color: var(--fh-muted);
}

.page-products .fh-support {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 30px;
}

.page-products .fh-support__col {
  padding: 22px 20px;
  border: 1px solid var(--fh-line);
  border-radius: var(--fh-radius);
  background: rgba(16, 84, 62, 0.42);
}

.page-products .fh-support__title {
  margin: 0 0 10px;
  font-family: var(--fh-display);
  font-size: var(--fh-fs-20);
  letter-spacing: 0.04em;
  color: var(--fh-text);
}

.page-products .fh-support__text {
  margin: 0 0 16px;
  font-size: var(--fh-fs-16);
  line-height: 1.78;
  color: var(--fh-muted);
}

/* ---------- 适合谁用 ---------- */
.page-products .fh-who {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .fh-who__card {
  padding: 24px 20px;
  border-radius: var(--fh-radius);
  border: 1px solid var(--fh-line);
  background: var(--fh-forest);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-products .fh-who__card:hover {
  transform: translateY(-3px);
  border-color: var(--fh-cyan);
}

.page-products .fh-who__title {
  margin: 0 0 8px;
  font-family: var(--fh-display);
  font-size: var(--fh-fs-20);
  letter-spacing: 0.04em;
  color: var(--fh-text);
}

.page-products .fh-who__line {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(0, 229, 199, 0.12);
  color: var(--fh-cyan);
  font-size: var(--fh-fs-14);
  letter-spacing: 0.04em;
}

.page-products .fh-who__text {
  margin: 0;
  font-size: var(--fh-fs-16);
  line-height: 1.78;
  color: var(--fh-muted);
}

.page-products .fh-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  margin-top: 34px;
  padding: 28px 24px;
  border-radius: var(--fh-radius);
  border: 1px solid var(--fh-line);
  background:
    radial-gradient(90% 130% at 100% 0%, rgba(0, 229, 199, 0.16), transparent 60%),
    linear-gradient(180deg, var(--fh-forest-2) 0%, var(--fh-forest) 100%);
}

.page-products .fh-cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fh-fs-16);
  line-height: 1.78;
  color: var(--fh-text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .fh-prodhero {
    padding-bottom: 76px;
  }

  .page-products .fh-vergrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .fh-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .fh-cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .fh-who {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .fh-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 960px) {
  .page-products .fh-dash {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    gap: 34px;
  }

  .page-products .fh-dash__phone {
    max-width: 100%;
    margin: 0;
  }

  .page-products .fh-cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fh-who__card {
    transition: none;
  }

  .page-products .fh-who__card:hover {
    transform: none;
  }
}