.page-products {
  --pf-hair: 1px solid var(--df-line);
  --pf-scan: linear-gradient(90deg, var(--df-red), var(--df-gold) 58%, var(--df-mint));
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  padding: 26px 0 40px;
  background:
    radial-gradient(120% 78% at 10% -6%, rgba(224, 74, 63, .18), transparent 60%),
    radial-gradient(88% 66% at 92% 6%, rgba(79, 214, 196, .13), transparent 58%);
}

.page-products .pf-hero__inner {
  position: relative;
}

.page-products .pf-hero__title {
  margin: 14px 0 16px;
  font-family: var(--df-font-head);
  font-weight: 900;
  font-size: clamp(38px, 11.5vw, 96px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--df-white);
}

.page-products .pf-hero__title em {
  display: block;
  font-style: normal;
  color: var(--df-gold);
}

.page-products .pf-hero__lede {
  max-width: 40ch;
}

.page-products .pf-hero__actions {
  margin-top: 18px;
}

.page-products .pf-hero__media {
  margin-top: 26px;
}

/* ---------- 四格仪表板 ---------- */
.page-products .pf-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 1px;
  list-style: none;
  background: var(--df-line);
  border: var(--pf-hair);
}

.page-products .pf-board__cell {
  padding: 16px 14px 18px;
  background: var(--df-panel);
  min-width: 0;
}

.page-products .pf-board__num {
  margin: 12px 0 6px;
  font-size: clamp(26px, 7vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--df-white);
}

.page-products .pf-board__num span {
  margin-left: 4px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--df-gold-soft);
}

.page-products .pf-board__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--df-muted);
}

/* ---------- 小屏模式 ---------- */
.page-products .pf-small__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .pf-small__media img {
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
}

.page-products .pf-spec {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--pf-hair);
}

.page-products .pf-spec li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: var(--pf-hair);
}

.page-products .pf-spec__key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--df-gold);
  padding-top: 3px;
}

.page-products .pf-spec p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--df-muted);
}

/* ---------- 入口矩阵 ---------- */
.page-products .pf-rail {
  margin-top: 22px;
}

.page-products .pf-rail__track {
  padding-bottom: 6px;
}

.page-products .pf-entry {
  width: min(78vw, 288px);
  padding: 18px 16px 20px;
  background: var(--df-panel);
  border: var(--pf-hair);
  border-left: 2px solid var(--df-line);
  transition: border-color .28s var(--df-ease), transform .28s var(--df-ease);
}

.page-products .pf-entry:hover,
.page-products .pf-entry:focus-within {
  border-left-color: var(--df-red);
  transform: translateY(-3px);
}

.page-products .pf-entry__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--df-muted);
}

.page-products .pf-entry__name {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--df-white);
}

.page-products .pf-entry__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--df-muted);
}

.page-products .pf-rail__nav {
  margin-top: 12px;
}

.page-products .pf-matrix__media {
  margin-top: 30px;
}

/* ---------- 会员等级 ---------- */
.page-products .pf-levels__media {
  margin-top: 24px;
}

.page-products .pf-tabs {
  margin-top: 30px;
}

.page-products .pf-tabs__bar {
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pf-tabs__bar::-webkit-scrollbar {
  display: none;
}

.page-products .pf-gain {
  margin-top: 1px;
  padding: 20px 18px 22px;
  background: var(--df-panel);
  border: var(--pf-hair);
  border-top: 2px solid var(--df-gold);
}

.page-products .pf-gain__title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 700;
  color: var(--df-gold-soft);
}

.page-products .pf-gain__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-gain__list li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--df-white);
  border-bottom: 1px dashed rgba(34, 48, 74, .9);
}

.page-products .pf-gain__list li:last-child {
  border-bottom: 0;
}

.page-products .pf-gain__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 18px;
  width: 8px;
  height: 2px;
  background: var(--df-mint);
}

/* ---------- 对照表 ---------- */
.page-products .pf-table-block {
  position: relative;
  margin-top: 30px;
}

.page-products .pf-diff {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pf-ctl {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  font-size: 13px;
  color: var(--df-muted);
  border: var(--pf-hair);
  cursor: pointer;
  user-select: none;
  transition: color .24s var(--df-ease), border-color .24s var(--df-ease), background-color .24s var(--df-ease);
}

.page-products .pf-ctl .df-mono {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--df-mint);
}

.page-products .pf-diff:checked + .pf-ctl {
  color: var(--df-gold-soft);
  border-color: var(--df-gold);
  background: rgba(233, 184, 92, .08);
}

.page-products .pf-diff:focus-visible + .pf-ctl {
  outline: 2px solid var(--df-mint);
  outline-offset: 2px;
}

.page-products .pf-diff:checked ~ .pf-table-wrap .pf-row--same {
  display: none;
}

.page-products .pf-table-wrap {
  margin-top: 14px;
  overflow-x: auto;
  border: var(--pf-hair);
  background: var(--df-ink-deep);
}

.page-products .pf-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-products .pf-table__cap {
  padding: 12px 14px;
  text-align: left;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--df-muted);
  border-bottom: var(--pf-hair);
}

.page-products .pf-table th,
.page-products .pf-table td {
  padding: 12px 14px;
  font-size: 14px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid rgba(34, 48, 74, .72);
}

.page-products .pf-table thead th {
  font-family: var(--df-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--df-gold);
  background: rgba(18, 28, 48, .9);
}

.page-products .pf-table tbody th {
  font-weight: 500;
  color: var(--df-white);
}

.page-products .pf-table tbody td {
  color: var(--df-muted);
}

.page-products .pf-row--v4 th,
.page-products .pf-row--v4 td {
  background: rgba(233, 184, 92, .07);
}

.page-products .pf-row--v4 th {
  box-shadow: inset 3px 0 0 var(--df-gold);
  color: var(--df-gold-soft);
}

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

/* ---------- 换设备同步 ---------- */
.page-products .pf-sync__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 24px;
}

.page-products .pf-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--df-line);
}

.page-products .pf-steps__item {
  position: relative;
  padding: 0 0 22px 22px;
}

.page-products .pf-steps__item:last-child {
  padding-bottom: 0;
}

.page-products .pf-steps__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 5px;
  width: 7px;
  height: 7px;
  background: var(--df-mint);
  box-shadow: 0 0 0 3px rgba(79, 214, 196, .16);
}

.page-products .pf-steps__no {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--df-muted);
}

.page-products .pf-steps__name {
  margin: 5px 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--df-white);
}

.page-products .pf-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--df-muted);
}

/* ---------- 场景推荐 ---------- */
.page-products .pf-fit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 24px;
  background: var(--df-line);
  border: var(--pf-hair);
}

.page-products .pf-scene {
  padding: 22px 18px 24px;
  background: var(--df-panel);
  border-top: 2px solid transparent;
  transition: border-color .3s var(--df-ease), background-color .3s var(--df-ease);
}

.page-products .pf-scene:hover,
.page-products .pf-scene:focus-within {
  border-top-color: var(--df-red);
  background: #16223A;
}

.page-products .pf-scene__tag {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--df-mint);
}

.page-products .pf-scene__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--df-white);
}

.page-products .pf-scene__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--df-muted);
}

.page-products .pf-scene__order {
  margin: 0;
  padding: 12px 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--df-gold-soft);
  border-top: 1px dashed rgba(34, 48, 74, .9);
  border-left: 2px solid var(--df-gold);
}

.page-products .pf-scene__order .df-mono {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--df-muted);
}

.page-products .pf-scene:hover .pf-scene__order {
  border-left-color: var(--df-red);
}

/* ---------- 下一步 ---------- */
.page-products .pf-start__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .pf-start__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-products .pf-start__list li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--df-muted);
  border-bottom: var(--pf-hair);
}

.page-products .pf-start__list .df-mono {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--df-red);
  padding-top: 3px;
}

.page-products .pf-start__panel h3 {
  margin: 0;
  font-size: 18px;
  color: var(--df-gold-soft);
}

.page-products .pf-start__panel p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.74;
  color: var(--df-muted);
}

.page-products .pf-start__panel a {
  color: var(--df-white);
  text-decoration: none;
  border-bottom: 1px solid var(--df-gold);
}

.page-products .pf-start__panel a:hover {
  color: var(--df-gold);
}

.page-products .pf-start__meta {
  font-size: 14px;
}

.page-products .pf-start__panel .df-actions {
  margin-top: 16px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-products .pf-hero {
    padding: 44px 0 56px;
  }

  .page-products .pf-hero__media {
    margin-top: 34px;
  }

  .page-products .pf-board {
    margin-top: 34px;
  }

  .page-products .pf-board__cell {
    padding: 20px 18px 22px;
  }

  .page-products .pf-small__grid {
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .pf-spec li {
    grid-template-columns: 72px minmax(0, 1fr);
    padding: 16px 0;
  }

  .page-products .pf-entry {
    width: 288px;
  }

  .page-products .pf-gain {
    padding: 26px 26px 28px;
  }

  .page-products .pf-sync__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }

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

  .page-products .pf-start__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-products .pf-board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pf-small__grid {
    grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-entry,
  .page-products .pf-scene,
  .page-products .pf-ctl {
    transition: none;
  }

  .page-products .pf-entry:hover,
  .page-products .pf-entry:focus-within {
    transform: none;
  }
}