.page-products {
  --p-band-pad: clamp(34px, 5.5vw, 74px);
  --p-soft: rgba(255, 122, 47, 0.42);
  padding-bottom: clamp(48px, 7vw, 100px);
}

.page-products .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-products .p-hero {
  padding-block: clamp(4px, 1.5vw, 16px) clamp(30px, 5vw, 58px);
}

.page-products .p-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .p-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 6.6vw, 78px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 13em;
}

.page-products .p-hero h1 em {
  font-style: normal;
  color: var(--lime);
}

.page-products .p-hero__lede {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--white);
  opacity: 0.82;
}

.page-products .p-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 3.2vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .p-jump a {
  text-decoration: none;
}

/* ---------- 主题带 ---------- */
.page-products .p-band {
  position: relative;
  border-top: 1px solid var(--line);
  padding-block: var(--p-band-pad);
}

.page-products .p-band::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 78px;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), rgba(198, 255, 61, 0));
}

.page-products .p-band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 54px);
  align-items: center;
}

.page-products .p-band__copy {
  min-width: 0;
}

.page-products .p-band h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 20em;
}

.page-products .p-band h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-products .p-band__copy > p {
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .p-band__copy > p:first-of-type {
  margin-top: clamp(16px, 2.2vw, 24px);
}

.page-products .p-band__copy .p-fact {
  margin-top: 20px;
  padding-left: 16px;
  border-left: 3px solid var(--lime);
  color: var(--white);
  opacity: 0.9;
  font-size: 16px;
}

.page-products .num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05em;
  color: var(--cyan);
}

/* ---------- 媒体框 ---------- */
.page-products .media-frame {
  margin: 0;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: var(--stand);
  overflow: hidden;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .media-frame__caption {
  padding: 12px 18px 14px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 维度清单 ---------- */
.page-products .p-dims {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .p-dims li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--stand);
}

.page-products .p-dims__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-products .p-dims__val {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--white);
  opacity: 0.88;
}

/* ---------- 角标图例 ---------- */
.page-products .p-legend {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .p-legend__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 6px 14px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--stand);
  transition: border-color 200ms var(--ease);
}

.page-products .p-legend__item:hover,
.page-products .p-legend__item:focus-within {
  border-color: var(--alert);
}

.page-products .p-legend__item b {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-products .p-legend__tip {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  opacity: 0.72;
  transition: opacity 200ms var(--ease), color 200ms var(--ease);
}

.page-products .p-legend__item:hover .p-legend__tip,
.page-products .p-legend__item:focus-within .p-legend__tip {
  opacity: 1;
  color: var(--white);
}

.page-products .p-mark {
  width: 34px;
  height: 22px;
  border-radius: 7px;
  display: block;
}

.page-products .p-mark--solid {
  background: var(--alert);
}

.page-products .p-mark--outline {
  position: relative;
  border: 2px solid var(--alert);
}

.page-products .p-mark--outline::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 14px;
  height: 2px;
  background: var(--alert);
}

.page-products .p-mark--fade {
  background: var(--p-soft);
}

/* ---------- 版本切换 ---------- */
.page-products .p-switch {
  position: relative;
}

.page-products .p-switch__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .p-switch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .p-switch__tab {
  cursor: pointer;
  padding: 10px 22px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-size: 14.5px;
  color: var(--muted);
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .p-switch__tab:hover {
  border-color: var(--lime-deep);
  color: var(--white);
}

.page-products #pver-big:checked ~ .p-switch__tabs label[for="pver-big"],
.page-products #pver-small:checked ~ .p-switch__tabs label[for="pver-small"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--night);
  font-weight: 700;
}

.page-products #pver-big:focus-visible ~ .p-switch__tabs label[for="pver-big"],
.page-products #pver-small:focus-visible ~ .p-switch__tabs label[for="pver-small"] {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-products .p-switch__panels {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-products .p-panel {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius-md);
  background: transparent;
  transition: border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-products .p-panel h3 {
  color: var(--muted);
  transition: color 220ms var(--ease);
}

.page-products .p-panel p {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products #pver-big:checked ~ .p-switch__panels .p-panel--big,
.page-products #pver-small:checked ~ .p-switch__panels .p-panel--small {
  border-color: var(--line);
  border-left-color: var(--lime);
  background: var(--stand);
}

.page-products #pver-big:checked ~ .p-switch__panels .p-panel--big h3,
.page-products #pver-small:checked ~ .p-switch__panels .p-panel--small h3 {
  color: var(--lime);
}

/* ---------- 旧资料步骤 ---------- */
.page-products .p-uses {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .p-uses li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .p-uses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: 0.8;
}

.page-products .p-steps {
  display: grid;
  gap: 14px;
}

.page-products .p-step {
  position: relative;
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--stand);
}

.page-products .p-step__idx {
  display: block;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-products .p-step h3 {
  margin-top: 8px;
}

.page-products .p-step p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 快速索引筛选 ---------- */
.page-products .p-filter {
  position: relative;
  margin-top: clamp(22px, 3.4vw, 38px);
}

.page-products .p-filter__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .p-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .p-filter__chip {
  cursor: pointer;
  padding: 9px 20px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-size: 14.5px;
  color: var(--muted);
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .p-filter__chip:hover {
  border-color: var(--lime-deep);
  color: var(--white);
}

.page-products #pf-all:checked ~ .p-filter__chips label[for="pf-all"],
.page-products #pf-watch:checked ~ .p-filter__chips label[for="pf-watch"],
.page-products #pf-change:checked ~ .p-filter__chips label[for="pf-change"],
.page-products #pf-data:checked ~ .p-filter__chips label[for="pf-data"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--night);
  font-weight: 700;
}

.page-products #pf-all:focus-visible ~ .p-filter__chips label[for="pf-all"],
.page-products #pf-watch:focus-visible ~ .p-filter__chips label[for="pf-watch"],
.page-products #pf-change:focus-visible ~ .p-filter__chips label[for="pf-change"],
.page-products #pf-data:focus-visible ~ .p-filter__chips label[for="pf-data"] {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-products .p-filter__list {
  margin: clamp(22px, 3.2vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-products #pf-watch:checked ~ .p-filter__list .p-tile:not([data-cat~="watch"]),
.page-products #pf-change:checked ~ .p-filter__list .p-tile:not([data-cat~="change"]),
.page-products #pf-data:checked ~ .p-filter__list .p-tile:not([data-cat~="data"]) {
  display: none;
}

.page-products .p-tile {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--stand);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-products .p-tile:hover {
  border-color: var(--lime-deep);
  transform: translateY(-2px);
}

.page-products .p-tile__cat {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .p-tile p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .p-tile a {
  margin-top: auto;
  padding-top: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--lime);
  text-decoration: none;
}

.page-products .p-tile a:hover {
  color: var(--lime-deep);
  text-decoration: underline;
}

.page-products .p-tile a:focus-visible,
.page-products .p-jump a:focus-visible,
.page-products .p-next a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 下一步 ---------- */
.page-products .p-next {
  margin-top: clamp(36px, 5vw, 68px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, var(--stand), var(--night));
}

.page-products .p-next h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 2.4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .p-next__list {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .p-next__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
}

.page-products .p-next__list a {
  flex: 0 0 auto;
  text-decoration: none;
}

.page-products .p-next__list span {
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 宽屏排布 ---------- */
@media (min-width: 880px) {
  .page-products .p-band__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  }

  .page-products .p-band--flip .p-band__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
  }

  .page-products .p-band--flip .p-band__copy {
    order: 2;
  }

  .page-products .p-band--flip .p-band__media {
    order: 1;
  }

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

  .page-products .p-steps {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1020px) {
  .page-products .p-filter__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .p-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .p-next__list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (min-width: 640px) and (max-width: 1019px) {
  .page-products .p-filter__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 单列主题带（覆盖宽屏两列） ---------- */
.page-products .p-band--stack .p-band__grid {
  grid-template-columns: minmax(0, 1fr);
}

.page-products .p-band--stack .p-band__copy {
  max-width: 72ch;
}

.page-products .p-band--stack .p-band__media {
  order: 0;
}
<<<END>>>