.page-products {
  --series-accent: var(--gold);
  --series-tint: rgba(200, 150, 62, 0.12);
  --series-tint-strong: rgba(200, 150, 62, 0.28);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.75rem, 5vw, 4rem) 0 clamp(1.5rem, 4vw, 3rem);
  background:
    repeating-linear-gradient(135deg, rgba(200, 150, 62, 0.07) 0 2px, transparent 2px 12px),
    linear-gradient(180deg, var(--paper) 0%, var(--paper) 72%, var(--rice) 100%);
  border-bottom: var(--line-gold);
}

.page-products .prod-hero::after {
  content: "8";
  position: absolute;
  right: clamp(-1.5rem, -3vw, 1rem);
  top: -0.18em;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(9rem, 30vw, 20rem);
  line-height: 1;
  color: rgba(200, 150, 62, 0.13);
  pointer-events: none;
  user-select: none;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero .display {
  margin: 0.5rem 0 1rem;
  max-width: 15em;
}

.page-products .prod-hero .lead {
  max-width: 34em;
}

.page-products .hero-index {
  display: grid;
  gap: 0;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 2px solid var(--ink);
  max-width: 46rem;
}

.page-products .hero-index__item {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.8rem 0.25rem;
  border-bottom: 1px dashed rgba(27, 25, 23, 0.22);
  color: var(--ink);
  text-decoration: none;
  font-size: var(--fs-14);
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.page-products .hero-index__item:hover,
.page-products .hero-index__item:focus-visible {
  color: var(--gold-deep);
  padding-left: 0.6rem;
}

.page-products .hero-index__num {
  color: var(--red);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
}

/* ---------- 通用区块 ---------- */
.page-products .prod-section {
  padding: clamp(2.25rem, 6vw, 4.5rem) 0;
}

.page-products .section__head {
  max-width: 42rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .section__num {
  display: block;
  margin: 0 0 0.4rem;
}

.page-products .section__title {
  margin: 0 0 0.65rem;
}

/* ---------- 系列切换 ---------- */
.page-products .series-switch {
  display: grid;
  gap: 1.25rem;
}

.page-products .series-switch__rail {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-products .series-switch__rail::-webkit-scrollbar {
  display: none;
}

.page-products .series-tab {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 0.15rem 0.6rem;
  padding: 0.7rem 1rem;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-14);
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.page-products .series-tab__code {
  grid-row: span 2;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--gold-deep);
  line-height: 1;
}

.page-products .series-tab__count {
  font-size: var(--fs-12);
  color: var(--gray);
}

.page-products .series-tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .series-tab[aria-selected="true"] .series-tab__code {
  color: var(--champagne);
}

.page-products .series-tab[aria-selected="true"] .series-tab__count {
  color: var(--champagne);
}

.page-products .series-tab:hover {
  border-color: var(--gold-deep);
}

.page-products .series-panel {
  border: var(--line);
  border-top: 5px solid var(--series-accent);
  background: var(--paper);
  box-shadow: var(--shadow-print);
  padding: clamp(1.15rem, 3.5vw, 2rem);
}

.page-products .series-panel--c {
  --series-accent: var(--teal);
  --series-tint: rgba(47, 93, 98, 0.1);
}

.page-products .series-panel--s {
  --series-accent: var(--gold-deep);
  --series-tint: rgba(200, 150, 62, 0.14);
}

.page-products .series-panel--i {
  --series-accent: var(--red-deep);
  --series-tint: rgba(126, 31, 26, 0.1);
}

.page-products .series-panel__grid {
  display: grid;
  gap: 1.5rem;
}

.page-products .series-verdict {
  margin: 0 0 1.1rem;
  padding: 0.85rem 1rem;
  background: var(--series-tint);
  border-left: 4px solid var(--series-accent);
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink);
}

.page-products .series-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-products .series-points li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.35rem;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--ink);
}

.page-products .series-points .mono {
  color: var(--series-accent);
  font-weight: 700;
  font-size: var(--fs-12);
  padding-top: 0.2rem;
}

.page-products .series-next {
  margin: 1.25rem 0 0;
}

.page-products .series-panel__media .media {
  margin: 0;
}

/* ---------- 对照表 ---------- */
.page-products .compare-figure {
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
}

.page-products .compare-figure .media {
  margin: 0;
}

.page-products .compare-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-print);
}

.page-products .compare-table {
  width: 100%;
  min-width: 40rem;
  border-collapse: collapse;
  font-size: var(--fs-14);
  line-height: 1.6;
}

.page-products .compare-table th,
.page-products .compare-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(27, 25, 23, 0.16);
  vertical-align: top;
}

.page-products .compare-table thead th {
  background: var(--rice);
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-16);
  color: var(--ink);
  white-space: nowrap;
}

.page-products .compare-table tbody th {
  font-weight: 600;
  color: var(--gold-deep);
  background: var(--rice);
  white-space: nowrap;
}

.page-products .compare-table tbody tr:hover td,
.page-products .compare-table tbody tr:hover th {
  background: rgba(235, 211, 160, 0.5);
}

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

.page-products .compare-table .mono {
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--red-deep);
}

.page-products .compare-note {
  margin: 1.25rem 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray);
  max-width: 46rem;
}

.page-products .compare-note a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* ---------- 移动端适配 ---------- */
.page-products .fit-layout {
  display: grid;
  gap: 1.75rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.page-products .fit-dims {
  display: grid;
  gap: 0.9rem;
}

.page-products .fit-dim {
  position: relative;
  padding: 1rem 1.1rem 1.1rem;
  border: var(--line-gold);
  border-radius: var(--radius);
  background: var(--paper);
}

.page-products .fit-dim::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(200, 150, 62, 0.28);
  border-radius: var(--radius);
  pointer-events: none;
}

.page-products .fit-dim__k {
  margin: 0 0 0.35rem;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-products .fit-dim__v {
  margin: 0 0 0.5rem;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
}

.page-products .fit-dim__note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--gray);
}

.page-products .fit-figure {
  margin: 0;
}

.page-products .fit-figure .media {
  margin: 0;
}

.page-products .fit-combos__head {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.9rem;
  border-bottom: 2px solid var(--ink);
}

.page-products .fit-combos__head .h3 {
  margin: 0;
}

.page-products .mini-list {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-products .mini-list li {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 0.5rem;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--ink);
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed rgba(27, 25, 23, 0.16);
}

.page-products .mini-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .mini-list .mono {
  font-size: var(--fs-12);
  color: var(--gold-deep);
  padding-top: 0.15rem;
}

.page-products .paper-card__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-products .is-hidden {
  display: none !important;
}

/* ---------- 目录节奏 ---------- */
.page-products .cadence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--red-deep);
}

.page-products .cadence__item {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.35rem 1rem;
  padding: 1.1rem 0.25rem;
  border-bottom: 1px dashed rgba(27, 25, 23, 0.22);
  position: relative;
}

.page-products .cadence__item::before {
  content: "";
  position: absolute;
  left: -0.20rem;
  top: 1.5rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--red);
}

.page-products .cadence__date {
  grid-row: span 2;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--red-deep);
  letter-spacing: 0.02em;
}

.page-products .cadence__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ink);
}

.page-products .cadence__note {
  margin: 0.35rem 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--gray);
  max-width: 38rem;
}

.page-products .cadence-note {
  margin: 1.5rem 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray);
}

.page-products .cadence-note a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* ---------- 交付四步 ---------- */
.page-products .deliver-acc {
  border-top: 2px solid var(--ink);
}

.page-products .deliver-acc .acc__item {
  border-bottom: 1px solid rgba(27, 25, 23, 0.18);
}

.page-products .deliver-acc .acc__btn {
  width: 100%;
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 0.25rem;
  background: transparent;
  border: 0;
  border-radius: 0;
  color: var(--ink);
  font-family: inherit;
  font-size: var(--fs-16);
  text-align: left;
  cursor: pointer;
  transition: color 0.25s ease, background 0.25s ease;
}

.page-products .deliver-acc .acc__btn:hover {
  color: var(--gold-deep);
  background: rgba(235, 211, 160, 0.28);
}

.page-products .deliver-acc .step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--champagne);
  color: var(--gold-deep);
  font-size: var(--fs-12);
  font-weight: 700;
}

.page-products .acc__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-20);
}

.page-products .acc__hint {
  font-size: var(--fs-12);
  color: var(--gray);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.page-products .deliver-acc .acc__panel {
  padding: 0 0.25rem 1.25rem 3.35rem;
}

.page-products .deliver-acc .acc__panel p {
  margin: 0 0 0.65rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink);
  max-width: 38rem;
}

.page-products .deliver-acc .acc__panel p:last-child {
  margin-bottom: 0;
}

/* ---------- 保修与备件 ---------- */
.page-products .spare-panel {
  border: var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-print);
  padding: clamp(1.1rem, 3vw, 1.6rem);
}

.page-products .spare-panel__head {
  margin-bottom: 1rem;
}

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

.page-products .spare-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed rgba(27, 25, 23, 0.2);
}

.page-products .spare-list li:last-child {
  border-bottom: 0;
}

.page-products .spare-list__k {
  font-size: var(--fs-14);
  color: var(--gray);
}

.page-products .spare-list__v {
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--ink);
  text-align: right;
}

.page-products .spare-panel__note {
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(27, 25, 23, 0.16);
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--gray);
  word-break: break-word;
}

.page-products #warranty .lead {
  margin-top: 0;
}

.page-products #warranty .btn-row {
  margin-top: 1.5rem;
}

/* ---------- 结尾 ---------- */
.page-products .prod-cta {
  background: linear-gradient(140deg, var(--rice) 0%, var(--paper) 55%, rgba(235, 211, 160, 0.55) 100%);
  border-top: var(--line-gold);
}

.page-products .prod-cta__inner {
  max-width: 46rem;
}

.page-products .prod-cta .h2 {
  margin: 0.4rem 0 0.75rem;
}

.page-products .prod-cta .btn-row {
  margin-top: 1.5rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .hero-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2rem;
  }

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

  .page-products .fit-combos__head {
    grid-template-columns: auto 1fr;
    align-items: end;
    justify-content: space-between;
  }

  .page-products .fit-combos__head .filters {
    justify-content: flex-end;
    margin-bottom: 0;
  }
}

@media (min-width: 880px) {
  .page-products .series-switch {
    grid-template-columns: minmax(11rem, 14rem) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .series-switch__rail {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: 5.5rem;
    padding-bottom: 0;
  }

  .page-products .series-tab {
    width: 100%;
    white-space: normal;
    padding: 0.9rem 1.1rem;
  }

  .page-products .series-panel__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 2.25rem;
  }

  .page-products .fit-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
    gap: 2.5rem;
  }

  .page-products .cadence__item {
    grid-template-columns: 8rem 1fr;
    padding: 1.35rem 0.25rem;
  }
}

@media (min-width: 1040px) {
  .page-products .fit-dims {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .hero-index__item,
  .page-products .series-tab,
  .page-products .deliver-acc .acc__btn {
    transition: none;
  }
}