.page-products {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-products .pr-crumb {
  padding: 22px 0 0;
}

/* ---------- Hero ---------- */
.page-products .pr-hero {
  background: var(--ink);
  color: var(--paper);
  padding: 32px 0 56px;
}

.page-products .pr-hero__inner {
  display: grid;
  gap: 40px;
}

.page-products .pr-hero__lead {
  min-width: 0;
}

.page-products .pr-hero__kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--green);
}

.page-products .pr-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(1.9rem, 5.6vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-products .pr-hero__intro {
  margin: 0;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.8;
  color: #c3cad3;
}

.page-products .pr-hero__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
}

.page-products .pr-hero__facts li {
  border-top: 2px solid var(--line);
  padding-top: 10px;
}

.page-products .pr-hero__fig {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--green);
}

.page-products .pr-hero__lab {
  display: block;
  margin-top: 4px;
  font-size: 0.78rem;
  color: #97a1ab;
}

.page-products .pr-ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-ladder__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 2px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-products .pr-ladder__item:hover,
.page-products .pr-ladder__item:focus-within {
  transform: translate(-4px, -4px);
  border-color: var(--green);
  box-shadow: 6px 6px 0 var(--green);
  background: rgba(0, 196, 106, 0.1);
}

.page-products .pr-ladder__no {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-products .pr-ladder__body {
  min-width: 0;
}

.page-products .pr-ladder__name {
  display: block;
  font-size: 1rem;
  font-weight: 700;
}

.page-products .pr-ladder__model {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #97a1ab;
}

.page-products .pr-ladder__price {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--orange);
  white-space: nowrap;
}

.page-products .pr-ladder__unit {
  margin-left: 4px;
  font-size: 0.7rem;
  font-weight: 400;
  color: #97a1ab;
}

/* ---------- 绿色同步条 ---------- */
.page-products .pr-band {
  background: var(--green);
  color: var(--ink);
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), 0 100%);
  padding: 16px 0 26px;
}

.page-products .pr-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.page-products .pr-band__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  background: var(--ink);
  color: var(--green);
  padding: 3px 10px;
}

.page-products .pr-band__text {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.6;
}

/* ---------- 区块通用 ---------- */
.page-products .pr-sec {
  padding: 64px 0;
}

.page-products .pr-sec__head {
  display: grid;
  gap: 12px;
  max-width: 62ch;
  margin-bottom: 36px;
}

.page-products .pr-sec__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--green);
}

.page-products .pr-sec__title {
  margin: 0;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-products .pr-sec__desc {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 对照表 ---------- */
.page-products .pr-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: var(--white);
}

.page-products .pr-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 760px;
}

.page-products .pr-table__cap {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .pr-table th,
.page-products .pr-table td {
  text-align: left;
  padding: 16px 18px;
  border-bottom: 2px solid var(--ink);
  vertical-align: middle;
  font-size: 0.95rem;
}

.page-products .pr-table thead th {
  background: var(--ink);
  color: var(--paper);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  white-space: nowrap;
  border-bottom: 3px solid var(--ink);
}

.page-products .pr-table tbody th {
  font-size: 1.05rem;
  font-weight: 800;
  white-space: nowrap;
}

.page-products .pr-table tbody tr:nth-child(even) {
  background: #ebeae4;
}

.page-products .pr-table tbody tr:hover {
  background: var(--green-soft);
}

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

.page-products .pr-table__model {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
}

.page-products .pr-price {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--orange-soft);
  border: 2px solid var(--ink);
  padding: 3px 10px;
  white-space: nowrap;
}

/* ---------- 四档详情 ---------- */
.page-products .pr-tier {
  position: relative;
  padding: 60px 0;
  border-top: 3px solid var(--ink);
}

.page-products .pr-tier::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58%;
  height: 10px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
}

.page-products .pr-tier--dark {
  background: var(--ink);
  color: var(--paper);
}

.page-products .pr-tier--dark::before {
  left: auto;
  right: 0;
  clip-path: polygon(4% 0, 100% 0, 100% 100%, 0 100%);
}

.page-products .pr-tier--navy {
  background: var(--navy);
  color: var(--paper);
}

.page-products .pr-tier--navy::before {
  background: var(--orange);
  left: auto;
  right: 0;
  clip-path: polygon(4% 0, 100% 0, 100% 100%, 0 100%);
}

.page-products .pr-tier__grid {
  display: grid;
  gap: 32px;
}

.page-products .pr-tier__left,
.page-products .pr-tier__right {
  min-width: 0;
}

.page-products .pr-tier__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--green);
}

.page-products .pr-tier--navy .pr-tier__num {
  color: var(--orange);
}

.page-products .pr-tier__name {
  margin: 0 0 4px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-products .pr-tier__code {
  margin: 0 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-products .pr-tier--dark .pr-tier__code,
.page-products .pr-tier--navy .pr-tier__code {
  color: #97a1ab;
}

.page-products .pr-tier__price {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4.5vw, 2.9rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-products .pr-tier--dark .pr-tier__price,
.page-products .pr-tier--navy .pr-tier__price {
  color: var(--orange);
}

.page-products .pr-tier__unit {
  margin-left: 6px;
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--gray);
}

.page-products .pr-tier--dark .pr-tier__unit,
.page-products .pr-tier--navy .pr-tier__unit {
  color: #97a1ab;
}

.page-products .pr-tier__for {
  margin: 16px 0 0;
  max-width: 32ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .pr-tier--dark .pr-tier__for,
.page-products .pr-tier--navy .pr-tier__for {
  color: #c3cad3;
}

.page-products .pr-tier__figure {
  margin: 0 0 24px;
}

.page-products .pr-tier__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--white);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-tier--dark .pr-tier__figure img,
.page-products .pr-tier--navy .pr-tier__figure img {
  border-color: var(--green);
  box-shadow: 6px 6px 0 var(--green);
}

.page-products .pr-tier__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pr-tier__list li {
  position: relative;
  padding-left: 26px;
  font-size: 0.98rem;
  line-height: 1.75;
}

.page-products .pr-tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 12px;
  height: 3px;
  background: var(--green);
}

.page-products .pr-tier--navy .pr-tier__list li::before {
  background: var(--orange);
}

/* ---------- 筛选区 ---------- */
.page-products .pr-sec--filter {
  background: var(--white);
  border-top: 3px solid var(--ink);
}

.page-products .pr-filter-block + .pr-filter-block {
  margin-top: 56px;
}

.page-products .pr-filter-block__title {
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 6px solid var(--green);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-products .pr-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products .pr-fbtn {
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 700;
  padding: 7px 14px;
  border: 2px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease);
}

.page-products .pr-fbtn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-soft);
}

.page-products .pr-fbtn:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.page-products .pr-fbtn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--green);
  box-shadow: var(--shadow-soft);
}

.page-products .pr-region-list,
.page-products .pr-model-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pr-region,
.page-products .pr-model {
  border: 3px solid var(--ink);
  background: var(--white);
  padding: 18px 20px;
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-products .pr-region:hover,
.page-products .pr-model:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-region__name,
.page-products .pr-model__name {
  margin: 0 0 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 800;
}

.page-products .pr-region__code,
.page-products .pr-model__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: var(--green-soft);
  border: 2px solid var(--ink);
  padding: 1px 8px;
}

.page-products .pr-region__desc,
.page-products .pr-model__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .pr-figure {
  margin: 32px 0 0;
}

.page-products .pr-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--ink);
  background: var(--paper);
}

.page-products .pr-figure__cap {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 6px solid var(--orange);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 型号命名 ---------- */
.page-products .pr-sec--codes {
  border-top: 3px solid var(--ink);
}

.page-products .pr-code {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 10px;
  margin-bottom: 32px;
}

.page-products .pr-code__part {
  flex: 1 1 110px;
  border: 3px solid var(--ink);
  background: var(--white);
  padding: 18px 14px;
  text-align: center;
  transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-products .pr-code__part:hover {
  background: var(--green-soft);
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-code__seg {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-products .pr-code__note {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--gray);
}

.page-products .pr-code__dash {
  display: none;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
}

.page-products .pr-code__examples {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 3px solid var(--ink);
  background: var(--white);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-code__examples li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding: 16px 20px;
  border-bottom: 2px solid var(--ink);
}

.page-products .pr-code__examples li:last-child {
  border-bottom: 0;
}

.page-products .pr-code__val {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .pr-code__mean {
  flex: 1 1 200px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .pr-copy {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border: 2px solid var(--ink);
  background: var(--orange-soft);
  color: var(--ink);
  cursor: pointer;
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-products .pr-copy:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-soft);
}

.page-products .pr-copy:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 报价收尾 ---------- */
.page-products .pr-cta {
  position: relative;
  background: var(--navy);
  color: var(--paper);
  border-top: 3px solid var(--ink);
  padding: 64px 0 72px;
}

.page-products .pr-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46%;
  height: 12px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 94% 100%, 0 100%);
}

.page-products .pr-cta__inner {
  display: grid;
  gap: 36px;
}

.page-products .pr-cta__num {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--orange);
}

.page-products .pr-cta__title {
  margin: 0 0 16px;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-products .pr-cta__desc {
  margin: 0 0 24px;
  max-width: 42ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: #c3cad3;
}

.page-products .pr-cta__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: prstep;
}

.page-products .pr-cta__steps li {
  position: relative;
  padding-left: 48px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #dbe1e8;
  counter-increment: prstep;
}

.page-products .pr-cta__steps li::before {
  content: counter(prstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--green);
  border: 2px solid var(--green);
  padding: 1px 6px;
}

.page-products .pr-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .pr-btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 800;
  padding: 13px 22px;
  background: var(--orange);
  color: var(--ink);
  border: 3px solid var(--paper);
  box-shadow: 5px 5px 0 var(--paper);
  text-decoration: none;
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-products .pr-btn:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 var(--paper);
}

.page-products .pr-btn:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.page-products .pr-btn--ghost {
  background: transparent;
  color: var(--paper);
}

.page-products .pr-btn--ghost:hover {
  background: rgba(247, 247, 244, 0.12);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .pr-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-products .pr-region-list,
  .page-products .pr-model-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pr-code__dash {
    display: block;
  }

  .page-products .pr-code__part {
    flex: 0 1 200px;
  }

  .page-products .pr-code {
    flex-wrap: nowrap;
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero {
    padding: 44px 0 72px;
  }

  .page-products .pr-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }

  .page-products .pr-ladder__item:nth-child(2) {
    margin-left: 7%;
  }

  .page-products .pr-ladder__item:nth-child(3) {
    margin-left: 14%;
  }

  .page-products .pr-ladder__item:nth-child(4) {
    margin-left: 21%;
  }

  .page-products .pr-sec {
    padding: 100px 0;
  }

  .page-products .pr-tier {
    padding: 96px 0;
  }

  .page-products .pr-tier__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    gap: 64px;
    align-items: start;
  }

  .page-products .pr-cta {
    padding: 88px 0 96px;
  }

  .page-products .pr-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-ladder__item,
  .page-products .pr-fbtn,
  .page-products .pr-region,
  .page-products .pr-model,
  .page-products .pr-code__part,
  .page-products .pr-copy,
  .page-products .pr-btn {
    transition: background var(--ease), color var(--ease), border-color var(--ease), outline-color var(--ease);
  }

  .page-products .pr-ladder__item:hover,
  .page-products .pr-ladder__item:focus-within,
  .page-products .pr-fbtn:hover,
  .page-products .pr-region:hover,
  .page-products .pr-model:hover,
  .page-products .pr-code__part:hover,
  .page-products .pr-copy:hover,
  .page-products .pr-btn:hover {
    transform: none;
  }
}