.page-products {
  --p-gap: clamp(14px, 3vw, 20px);
  --p-rail: rgba(199, 207, 216, 0.5);
}

/* ---------- 首屏框景 ---------- */
.page-products .p-hero {
  position: relative;
}
.page-products .p-hero .breadcrumb {
  margin-bottom: 16px;
}
.page-products .p-hero__frame {
  padding: clamp(20px, 5vw, 44px);
}
.page-products .p-hero__eyebrow {
  margin: 0 0 12px;
  color: var(--celadon);
  letter-spacing: 0.12em;
}
.page-products .p-hero h1 {
  margin: 0 0 16px;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(30px, 8.4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--on-ink);
}
.page-products .p-hero__lede {
  margin: 0 0 24px;
  max-width: 56ch;
  color: var(--on-ink-soft);
}
.page-products .p-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .p-quickfacts {
  margin-top: clamp(20px, 4vw, 32px);
}

/* ---------- 通用小件 ---------- */
.page-products .media-frame {
  margin: clamp(16px, 3vw, 24px) 0 0;
}
.page-products .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r);
}
.page-products .section--ink .media-frame__cap {
  color: var(--on-ink-soft);
}
.page-products .p-note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--rule);
  color: var(--graphite);
  font-size: 15px;
  line-height: 1.8;
}
.page-products .p-note strong {
  color: var(--signal-text);
  font-family: var(--font-mono);
  font-weight: 500;
}
.page-products .p-note--dark {
  border-left-color: var(--signal);
  color: var(--on-ink-soft);
}
.page-products .p-note--dark strong {
  color: var(--signal);
}

/* ---------- 01 品类总览 ---------- */
.page-products .p-tagtrack {
  margin-top: var(--p-gap);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  mask-image: linear-gradient(90deg, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, #000 92%, transparent);
}
.page-products .p-tagtrack .tagbar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 6px;
  min-width: max-content;
}
.page-products .p-tagtrack .tagbar__count {
  padding-left: 10px;
  border-left: 1px solid var(--rule);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--graphite);
}
.page-products .p-catgrid {
  margin-top: var(--p-gap);
  gap: var(--p-gap);
}
.page-products .p-catgrid .card__body {
  color: var(--graphite);
}
.page-products .p-catgrid .card__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
}

/* ---------- 02 来源与批次 ---------- */
.page-products .p-src {
  display: grid;
  gap: var(--p-gap);
  margin-top: clamp(18px, 3vw, 26px);
}
.page-products .p-src__body p {
  margin: 0 0 14px;
  color: var(--on-ink-soft);
  line-height: 1.85;
}
.page-products .p-src__body strong {
  color: var(--on-ink);
  font-family: var(--font-mono);
  font-weight: 500;
}
.page-products .p-src__link a {
  color: var(--signal);
}
.page-products .p-src .media-frame {
  margin: 0;
}
.page-products .p-src + .databar {
  margin-top: clamp(18px, 3vw, 26px);
}

/* ---------- 03 交付方式 ---------- */
.page-products .p-deliv {
  display: grid;
  gap: var(--p-gap);
  margin-top: clamp(18px, 3vw, 26px);
}
.page-products .p-deliv__chart {
  padding: clamp(14px, 3vw, 22px);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r);
}
.page-products .p-deliv__chart .label-mono {
  margin: 0 0 10px;
  color: var(--signal-text);
}
.page-products .p-deliv__svg {
  display: block;
  width: 100%;
  height: auto;
  color: var(--ink-800);
  font-family: var(--font-body);
}
.page-products .p-deliv__chart .muted {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
}
.page-products .p-deliv__cards {
  display: grid;
  gap: 12px;
}
.page-products .p-deliv__card {
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--signal);
  border-radius: var(--r);
}
.page-products .p-deliv__card h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-800);
}
.page-products .p-deliv__time {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 500;
  color: var(--signal-text);
}
.page-products .p-deliv__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-products .p-deliv__card--local {
  border-left-color: var(--celadon);
}
.page-products .p-deliv__card--local .p-deliv__time {
  color: var(--celadon-text);
}

/* ---------- 04 五档阶梯 ---------- */
.page-products .p-stairwrap {
  margin-top: clamp(18px, 3vw, 26px);
}
.page-products .p-stairwrap__hint {
  margin: 0 0 10px;
  color: var(--celadon);
}
.page-products .p-stair {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 6px 0 18px;
}
.page-products .p-stair .stair__step {
  flex: 0 0 210px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  min-height: 168px;
  padding: 16px;
  background: var(--ink-700);
  border: 1px solid var(--rule-ink);
  border-top: 3px solid var(--rule);
  border-radius: var(--r);
  cursor: pointer;
  transition: background 220ms var(--ease), border-color 220ms var(--ease);
}
.page-products .p-stair .stair__step:nth-child(2) {
  min-height: 196px;
}
.page-products .p-stair .stair__step:nth-child(3) {
  min-height: 224px;
}
.page-products .p-stair .stair__step:nth-child(4) {
  min-height: 252px;
}
.page-products .p-stair .stair__step:nth-child(5) {
  min-height: 280px;
  background: var(--ink-800);
  border-top-color: var(--signal);
}
.page-products .p-stair .stair__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--celadon);
}
.page-products .p-stair .stair__qty {
  margin: 0;
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--on-ink);
}
.page-products .p-stair .stair__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-ink-soft);
}
.page-products .p-stair__num {
  margin: 6px 0 0;
  padding-top: 8px;
  border-top: 1px solid var(--rule-ink);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--signal);
}

/* ---------- 05 检测报告 ---------- */
.page-products .p-test {
  display: grid;
  gap: var(--p-gap);
  margin-top: clamp(18px, 3vw, 26px);
}
.page-products .p-test__body p {
  margin: 0 0 14px;
  line-height: 1.85;
}
.page-products .p-test__body p:not(.p-code) {
  color: var(--graphite);
}
.page-products .p-test .media-frame {
  margin: 0;
}
.page-products .p-code {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--celadon);
  border-radius: var(--r);
}
.page-products .p-code .label-mono {
  color: var(--celadon-text);
}
.page-products .p-code .copy {
  font-family: var(--font-mono);
  color: var(--ink-800);
}
.page-products .p-test + .databar {
  margin-top: clamp(18px, 3vw, 26px);
}

/* ---------- 06 组合下单 ---------- */
.page-products .p-combo {
  display: grid;
  gap: var(--p-gap);
  margin-top: clamp(18px, 3vw, 26px);
}
.page-products .p-combo__item {
  padding: clamp(16px, 3.4vw, 24px);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r);
}
.page-products .p-combo__item .label-mono {
  margin: 0 0 8px;
  color: var(--signal-text);
}
.page-products .p-combo__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-800);
}
.page-products .p-combo__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-products .p-combo__calc {
  margin: 14px 0 0;
  padding: 10px 12px;
  background: var(--signal-soft);
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--signal-text);
}

/* ---------- 收尾 ---------- */
.page-products .p-cta__inner {
  padding: clamp(22px, 5vw, 44px);
  background: linear-gradient(135deg, rgba(255, 107, 44, 0.14), rgba(255, 107, 44, 0) 62%), var(--ink-700);
  border-left: 4px solid var(--signal);
  border-radius: var(--r);
}
.page-products .p-cta h2 {
  margin: 0 0 12px;
  max-width: 26ch;
  font-family: var(--font-head);
  font-size: clamp(24px, 6vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--on-ink);
}
.page-products .p-cta p {
  margin: 0 0 20px;
  max-width: 62ch;
  color: var(--on-ink-soft);
}
.page-products .p-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .page-products .p-src {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
  .page-products .p-deliv__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .p-test {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
  .page-products .p-combo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .p-stair .stair__step {
    flex: 1 1 0;
    min-width: 0;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1000px) {
  .page-products .p-deliv {
    grid-template-columns: 1.3fr 1fr;
    align-items: start;
  }
  .page-products .p-deliv__cards {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .p-stair {
    overflow-x: visible;
    padding-bottom: 6px;
  }
  .page-products .p-stair .stair__step:nth-child(1) {
    min-height: 200px;
  }
  .page-products .p-stair .stair__step:nth-child(2) {
    min-height: 230px;
  }
  .page-products .p-stair .stair__step:nth-child(3) {
    min-height: 260px;
  }
  .page-products .p-stair .stair__step:nth-child(4) {
    min-height: 290px;
  }
  .page-products .p-stair .stair__step:nth-child(5) {
    min-height: 320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .p-stair .stair__step {
    transition: none;
  }
}