.page-products {
  --psg-gap: clamp(1rem, 2.4vw, 1.75rem);
  padding-bottom: clamp(3rem, 9vw, 6rem);
  overflow-x: hidden;
}

.page-products [id] {
  scroll-margin-top: calc(var(--header-h) + 1.25rem);
}

/* ---------- 顶部上下文与首屏 ---------- */
.page-products .psg-crumbs {
  margin-bottom: clamp(1.1rem, 3vw, 2rem);
}

.page-products .psg-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 2.5rem);
  align-items: start;
}

.page-products .psg-hero__title {
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(2.1rem, 5.2vw, 4.25rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0.55rem 0 1rem;
  text-wrap: balance;
}

.page-products .psg-hero__lede {
  max-width: 34rem;
  color: var(--graphite);
}

.page-products .psg-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-products .psg-hero__index {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: var(--r-xl);
  padding: clamp(1.1rem, 2.6vw, 1.9rem);
}

.page-products .psg-hero__index .eyebrow {
  margin: 0 0 0.9rem;
}

.page-products .psg-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-products .psg-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.62rem 0;
  border-bottom: 1px solid rgba(30, 26, 23, 0.13);
  text-decoration: none;
  color: var(--ink);
  transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-products .psg-index__link:hover,
.page-products .psg-index__link:focus-visible {
  color: var(--blue);
  padding-left: 0.3rem;
}

.page-products .psg-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--orange);
  min-width: 1.7rem;
}

.page-products .psg-index__label {
  font-size: 0.94rem;
  font-weight: 500;
}

/* ---------- 横向节点进度尺 ---------- */
.page-products .psg-rulerband {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding-block: clamp(1.1rem, 2.6vw, 1.7rem);
  background: linear-gradient(180deg, var(--cream) 0%, #E3DAC8 100%);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-products .band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  margin-bottom: 0.95rem;
}

.page-products .psg-rulerband__hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--graphite);
}

.page-products .band__track {
  list-style: none;
  margin: 0;
  padding: 0 0 0.55rem;
  display: flex;
  gap: 0.65rem;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .band__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-products .psg-ruler__link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 10.5rem;
  padding: 0.9rem 1.05rem 1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--blue);
  border-radius: 0 0 var(--r-md) var(--r-md);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-products .psg-ruler__link:hover,
.page-products .psg-ruler__link:focus-visible {
  border-top-color: var(--orange);
  transform: translateY(-2px);
}

.page-products .psg-ruler__num {
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-products .psg-ruler__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--ink);
}

.page-products .psg-ruler__out {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

/* ---------- 节点总表 ---------- */
.page-products .psg-tablewrap {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
}

.page-products .psg-table {
  width: 100%;
  min-width: 1000px;
  border-collapse: collapse;
  font-size: 0.875rem;
  line-height: 1.65;
}

.page-products .psg-table th,
.page-products .psg-table td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

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

.page-products .psg-table thead th {
  background: var(--blue);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  padding: 0.85rem 1rem 0.95rem;
  white-space: nowrap;
}

.page-products .psg-table thead th:last-child {
  box-shadow: inset 0 4px 0 var(--orange);
}

.page-products .psg-th__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-products .psg-th__name {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.76rem;
  color: rgba(244, 241, 234, 0.78);
  margin-top: 0.15rem;
}

.page-products .psg-table thead th.psg-table__corner {
  position: sticky;
  left: 0;
  z-index: 3;
  background: var(--ink);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.page-products .psg-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  min-width: 8rem;
  background: var(--cream);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-products .psg-table td {
  color: var(--graphite);
  min-width: 10rem;
}

/* ---------- 逐段核对 ---------- */
.page-products .psg-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--psg-gap);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .psg-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(1.05rem, 2.2vw, 1.5rem);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .psg-step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--steel));
}

.page-products .psg-step:last-of-type::before {
  background: linear-gradient(90deg, var(--orange), var(--brass));
}

.page-products .psg-step__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin: 0;
}

.page-products .psg-step__num {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  color: var(--blue);
  cursor: copy;
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--steel);
  border-radius: var(--r-pill);
  transition: background 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .psg-step__num:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--paper);
}

.page-products .psg-step__num.is-copied {
  background: var(--green);
  border-color: var(--green);
  color: #FFFFFF;
}

.page-products .psg-step__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0.1rem 0 0.15rem;
}

.page-products .psg-step__dl {
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .psg-step__dl > div {
  display: grid;
  grid-template-columns: 4.4rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
}

.page-products .psg-step__dl dt {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--brass);
  padding-top: 0.15rem;
}

.page-products .psg-step__dl > div:last-child dt {
  color: var(--red);
}

.page-products .psg-step__dl dd {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .psg-steps__figure {
  grid-column: 1 / -1;
  margin: 0;
}

/* ---------- 质保区间与编号 ---------- */
.page-products .psg-warranty {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--psg-gap);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-products .psg-warranty__main {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.25rem);
}

.page-products .psg-scale {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: clamp(1.05rem, 2.4vw, 1.7rem);
}

.page-products .psg-scale__cap {
  margin: 0 0 1.1rem;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--graphite);
}

.page-products .psg-scale__bar {
  position: relative;
  height: 14px;
  border-radius: var(--r-pill);
  background: var(--steel);
}

.page-products .psg-scale__pin {
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green);
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 1px var(--green);
  transform: translateY(-50%);
}

.page-products .psg-scale__axis {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--graphite);
  text-align: center;
}

.page-products .psg-scale__axis li {
  position: relative;
  padding-top: 0.5rem;
}

.page-products .psg-scale__axis li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 6px;
  background: var(--rule);
}

.page-products .psg-scale__axis li:first-child {
  text-align: left;
}

.page-products .psg-scale__axis li:first-child::before {
  left: 0;
}

.page-products .psg-scale__axis li:last-child {
  text-align: right;
}

.page-products .psg-scale__axis li:last-child::before {
  left: auto;
  right: 0;
}

.page-products .psg-scale__note {
  margin: 0.95rem 0 0;
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .psg-code {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: clamp(1.05rem, 2.4vw, 1.7rem);
}

.page-products .psg-code__label {
  margin: 0 0 0.9rem;
}

.page-products .psg-code__sample {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 3.4vw, 2.3rem);
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-products .psg-code__seg {
  padding: 0.1rem 0.55rem;
  border-radius: var(--r-md);
  background: var(--cream);
  border-bottom: 3px solid var(--brass);
}

.page-products .psg-code__dash {
  color: var(--steel);
}

.page-products .psg-code__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .psg-code__list li {
  display: grid;
  grid-template-columns: 5.4rem minmax(0, 1fr);
  gap: 0.75rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .psg-code__key {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--brass);
  padding-top: 0.15rem;
}

.page-products .psg-code__note {
  margin: 1.1rem 0 0;
  padding-top: 0.95rem;
  border-top: 1px solid var(--rule);
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .psg-warranty__side {
  display: grid;
  gap: var(--psg-gap);
  align-content: start;
}

.page-products .psg-warranty__figure {
  margin: clamp(1.4rem, 3.5vw, 2.25rem) 0 0;
}

/* ---------- 资源下载 ---------- */
.page-products .psg-downloads__figure {
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
}

.page-products .psg-dlbar {
  margin-top: clamp(1.3rem, 3vw, 1.9rem);
}

.page-products .psg-dl {
  list-style: none;
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .psg-dl__item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.2rem 0.9rem;
  padding: 1rem clamp(0.95rem, 2.2vw, 1.4rem);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  transition: border-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-products .psg-dl__item:hover {
  border-color: var(--steel);
  transform: translateX(3px);
}

.page-products .psg-dl__item.is-filtered-out {
  display: none;
}

.page-products .psg-dl__num {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--steel);
  padding-top: 0.15rem;
}

.page-products .psg-dl__name {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--ink);
}

.page-products .psg-dl__use {
  margin: 0;
  max-width: 42rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .psg-dl__tags {
  grid-column: 2 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0.6rem 0 0;
}

.page-products .psg-dl__freq {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--graphite);
  margin-left: auto;
}

/* ---------- 状态口径 ---------- */
.page-products .psg-states__figure {
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
}

.page-products .psg-states {
  list-style: none;
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .psg-state {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  padding: clamp(1rem, 2.2vw, 1.45rem);
  background: var(--paper);
}

.page-products .psg-state__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .psg-state__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--ink);
}

.page-products .psg-state p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 核对疑问入口 ---------- */
.page-products .psg-help__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 3vw, 2.5rem);
  padding: clamp(1.3rem, 3.5vw, 2.75rem);
}

.page-products .psg-help__text .prose {
  color: var(--graphite);
}

.page-products .psg-help__links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(30, 26, 23, 0.16);
}

.page-products .psg-help__links li {
  border-bottom: 1px solid rgba(30, 26, 23, 0.16);
}

.page-products .psg-help__links a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.85rem 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-products .psg-help__links a::before {
  content: "→";
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--orange);
}

.page-products .psg-help__links a:hover,
.page-products .psg-help__links a:focus-visible {
  color: var(--blue);
  padding-left: 0.35rem;
}

/* ---------- 图片统一约束 ---------- */
.page-products .media__img,
.page-products .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .psg-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1rem, 3vw, 2rem);
  }

  .page-products .psg-index__item:nth-last-child(-n + 2) .psg-index__link {
    border-bottom: 0;
  }
}

@media (min-width: 720px) {
  .page-products .psg-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-products .psg-hero {
    grid-template-columns: minmax(0, 42fr) minmax(0, 58fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-products .psg-warranty {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }

  .page-products .psg-help__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .psg-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .psg-steps > .psg-step:nth-child(3n + 2) {
    margin-top: 1.9rem;
  }

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

@media (min-width: 1200px) {
  .page-products .psg-dl__item {
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-products .psg-dl__tags {
    grid-column: 3 / -1;
    margin-top: 0;
    max-width: 18rem;
    justify-content: flex-end;
  }

  .page-products .psg-dl__freq {
    margin-left: 0;
    flex-basis: 100%;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .psg-index__link,
  .page-products .psg-ruler__link,
  .page-products .psg-step__num,
  .page-products .psg-dl__item,
  .page-products .psg-help__links a {
    transition: none;
  }

  .page-products .psg-ruler__link:hover,
  .page-products .psg-ruler__link:focus-visible,
  .page-products .psg-dl__item:hover {
    transform: none;
  }
}