.page-products {
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.page-products p {
  margin: 0;
}

.page-products a {
  color: var(--cyan);
  text-decoration: none;
}

.page-products a:hover {
  text-decoration: underline;
}

.page-products .wrap {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page-products .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 20px 0 4px;
  color: var(--fog);
}

.page-products .breadcrumbs a {
  color: var(--fog);
}

.page-products .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-products .breadcrumbs [aria-current="page"] {
  color: var(--amber);
}

/* ---------- hero ---------- */

.page-products .pp-hero {
  padding: clamp(8px, 2vw, 20px) 0 clamp(48px, 7vw, 92px);
  background:
    linear-gradient(180deg, rgba(35, 39, 44, 0.55) 0%, rgba(13, 15, 18, 0) 62%),
    var(--ink);
  border-bottom: var(--hairline-cool);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: end;
}

.page-products .pp-title {
  margin-top: 14px;
  font-size: clamp(34px, 7.2vw, 66px);
  color: var(--white);
}

.page-products .pp-lede {
  margin-top: 20px;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  color: rgba(247, 244, 238, 0.78);
}

.page-products .pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-facts {
  display: grid;
  gap: 0;
  margin: 20px 0 0;
}

.page-products .pp-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-top: var(--hairline);
}

.page-products .pp-facts dt {
  margin: 0;
  font-size: 12px;
  color: var(--fog);
}

.page-products .pp-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-products .plate__value {
  font-size: clamp(30px, 5vw, 50px);
  color: var(--amber);
}

@media (min-width: 960px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- section heading ---------- */

.page-products .pp-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .pp-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(46px, 8vw, 104px);
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: var(--amber);
}

.page-products .pp-head__text h2 {
  font-size: clamp(23px, 3.4vw, 38px);
  color: inherit;
}

.page-products .pp-head__text p {
  margin-top: 12px;
  max-width: 64ch;
  color: var(--fog);
}

.page-products .section--paper .pp-head__text p {
  color: #4A4F55;
}

@media (min-width: 820px) {
  .page-products .pp-head {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }
  .page-products .pp-num {
    text-align: right;
  }
}

/* ---------- media frames ---------- */

.page-products .media-frame {
  margin: 0;
}

.page-products .pp-tiers__fig,
.page-products .pp-batch__fig {
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-products .pp-seg__fig {
  margin-bottom: 20px;
}

/* ---------- 001 tiers ---------- */

.page-products .pp-tier-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--hairline);
}

.page-products .pp-tier {
  border-bottom: var(--hairline-cool);
  transition: border-color 200ms ease;
}

.page-products .pp-tier:hover {
  border-bottom-color: rgba(255, 122, 24, 0.55);
}

.page-products .pp-tier__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-products .pp-tier__code {
  padding: 2px 8px;
  border: 1px solid rgba(255, 122, 24, 0.55);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .pp-tier__name {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 25px);
  letter-spacing: -0.01em;
  transition: color 180ms ease;
}

.page-products .pp-tier__head:hover .pp-tier__name,
.page-products .pp-tier__head:focus-visible .pp-tier__name {
  color: var(--amber);
}

.page-products .pp-tier__meta {
  display: none;
  font-size: 12px;
  color: var(--fog);
}

.page-products .pp-tier__mark {
  width: 22px;
  font-size: 17px;
  line-height: 1;
  text-align: center;
  color: var(--copper);
  transition: transform 200ms ease, color 200ms ease;
}

.page-products .pp-tier__head[aria-expanded="true"] .pp-tier__mark {
  transform: rotate(45deg);
  color: var(--amber);
}

.page-products .pp-tier__panel {
  padding-bottom: 22px;
}

.page-products .pp-tier__body {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-products .pp-tier__body > div {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
}

.page-products .pp-tier__body dt {
  margin: 0;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .pp-tier__body dd {
  margin: 0;
  color: rgba(247, 244, 238, 0.86);
}

@media (min-width: 820px) {
  .page-products .pp-tier__head {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    gap: 26px;
  }
  .page-products .pp-tier__meta {
    display: block;
  }
  .page-products .pp-tier__body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 34px;
    padding-left: 52px;
    padding-bottom: 6px;
  }
}

/* ---------- 002 caliper ---------- */

.page-products .pp-caliper__body {
  display: grid;
  gap: clamp(34px, 5vw, 56px);
}

.page-products .pp-seg {
  padding-top: clamp(22px, 3vw, 34px);
  border-top: var(--hairline);
}

.page-products .pp-seg__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.page-products .pp-seg__code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-products .pp-seg__count {
  font-size: 12px;
  color: var(--fog);
}

.page-products .pp-tbl {
  border-top: var(--hairline-cool);
}

.page-products .pp-tbl__head {
  display: none;
}

.page-products .pp-row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: var(--hairline-cool);
  transition: background 180ms ease;
}

.page-products .pp-row:hover {
  background: rgba(31, 209, 196, 0.05);
}

.page-products .pp-row__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-products .pp-row__val {
  font-size: 15px;
  color: rgba(247, 244, 238, 0.72);
}

.page-products .pp-row__val--new {
  color: var(--white);
}

.page-products .pp-row--diff .pp-row__val--new {
  position: relative;
  padding-left: 15px;
  color: var(--cyan);
}

.page-products .pp-row--diff .pp-row__val--new::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 2px;
  background: var(--cyan);
}

@media (max-width: 819.98px) {
  .page-products .pp-row__val--new::before {
    content: "焕新版 · ";
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    color: var(--amber);
    margin-right: 4px;
  }
  .page-products .pp-row__val + .pp-row__val::before {
    content: "上一批次 · ";
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    color: var(--fog);
    margin-right: 4px;
  }
}

@media (min-width: 820px) {
  .page-products .pp-tbl__head {
    display: grid;
    grid-template-columns: 148px minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
    padding: 12px 0;
    border-bottom: var(--hairline-cool);
    color: var(--fog);
  }
  .page-products .pp-tbl__head span:nth-child(2) {
    color: var(--cyan);
  }
  .page-products .pp-row {
    grid-template-columns: 148px minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
    padding: 13px 0;
  }
  .page-products .pp-row__key {
    padding-top: 2px;
  }
}

/* ---------- 003 batch ---------- */

.page-products .section--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-products .pp-batch .pp-head__text h2 {
  color: var(--ink);
}

.page-products .pp-entries {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(13, 15, 18, 0.22);
}

.page-products .pp-entry {
  display: grid;
  gap: 7px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(13, 15, 18, 0.22);
  transition: background 180ms ease;
}

.page-products .pp-entry:hover {
  background: rgba(255, 122, 24, 0.07);
}

.page-products .pp-entry__tag {
  justify-self: start;
  padding: 2px 8px;
  border: 1px solid rgba(13, 15, 18, 0.42);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-products .pp-entry__text {
  font-size: 15.5px;
  color: #1A1E23;
}

.page-products .pp-entry__src {
  font-size: 12px;
  color: #5C646C;
}

.page-products .pp-batch__note {
  margin-top: 26px;
  padding-left: 16px;
  border-left: 2px solid var(--copper);
  font-size: 15px;
  color: #3D4349;
}

.page-products .pp-batch__note a {
  color: #0C6A66;
  border-bottom: 1px solid rgba(12, 106, 102, 0.4);
}

.page-products .pp-batch__note a:hover {
  color: #095451;
}

@media (min-width: 820px) {
  .page-products .pp-entry {
    grid-template-columns: 122px minmax(0, 1fr) 110px;
    gap: 26px;
    align-items: baseline;
  }
  .page-products .pp-entry__src {
    text-align: right;
  }
}

/* ---------- 004 scenes ---------- */

.page-products .pp-scene-switch {
  display: grid;
  gap: 0;
  border-top: var(--hairline);
}

.page-products .pp-scene {
  border-bottom: var(--hairline-cool);
}

.page-products .pp-scene__tab {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 6px 16px;
  width: 100%;
  padding: 20px 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-products .pp-scene__idx {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-products .pp-scene__label {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 27px);
  letter-spacing: -0.01em;
  transition: color 180ms ease;
}

.page-products .pp-scene__tab:hover .pp-scene__label {
  color: var(--amber);
}

.page-products .pp-scene__tab[aria-expanded="true"] .pp-scene__label {
  color: var(--amber);
}

.page-products .pp-scene__pick {
  grid-column: 2;
  font-size: 12px;
  color: var(--cyan);
}

.page-products .pp-scene__panel {
  padding-bottom: 24px;
}

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

.page-products .pp-reasons li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  color: rgba(247, 244, 238, 0.86);
}

.page-products .pp-reasons li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 9px;
  height: 1px;
  background: var(--amber);
}

@media (min-width: 820px) {
  .page-products .pp-scene__tab {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 20px;
    padding: 22px 0;
  }
  .page-products .pp-scene__pick {
    grid-column: 3;
    padding: 3px 10px;
    border: 1px solid rgba(31, 209, 196, 0.45);
  }
  .page-products .pp-reasons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 34px;
    padding-left: 62px;
    padding-bottom: 4px;
  }
}

/* ---------- 005 legacy ---------- */

.page-products .pp-legacy__grid {
  display: grid;
  gap: 20px;
}

.page-products .pp-legacy__card {
  padding: 24px 22px;
  background: var(--plate);
  border: var(--hairline);
  box-shadow: inset 0 1px 0 rgba(247, 244, 238, 0.05);
  transition: border-color 200ms ease, background 200ms ease;
}

.page-products .pp-legacy__card:hover {
  border-color: rgba(255, 122, 24, 0.6);
  background: #1E2329;
}

.page-products .pp-legacy__label {
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-products .pp-legacy__card h3 {
  font-size: clamp(19px, 2.4vw, 25px);
  color: var(--white);
}

.page-products .pp-legacy__list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-legacy__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: rgba(247, 244, 238, 0.8);
}

.page-products .pp-legacy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pp-legacy__note {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 22px;
  border-top: var(--hairline);
}

.page-products .pp-legacy__note p {
  max-width: 68ch;
  font-size: 15.5px;
  color: rgba(247, 244, 238, 0.82);
}

.page-products .pp-legacy__note .mono {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-products .pp-legacy__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (min-width: 820px) {
  .page-products .pp-legacy__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  .page-products .pp-legacy__card {
    padding: 30px 28px;
  }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-tier,
  .page-products .pp-tier__name,
  .page-products .pp-tier__mark,
  .page-products .pp-row,
  .page-products .pp-entry,
  .page-products .pp-scene__label,
  .page-products .pp-legacy__card {
    transition: none;
  }
}