.page-products {
  --pr-sticky: calc(var(--header-h) + 20px);
  --pr-hair: rgba(185, 133, 62, .38);
  --pr-hair-soft: rgba(185, 133, 62, .2);
  --pr-card: #FFFDF8;
  background: var(--warm-white);
  color: var(--ink-black);
}

.page-products .pr-section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1.28;
  letter-spacing: .02em;
  color: var(--ink-green);
  margin: 12px 0 14px;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  color: var(--warm-white);
  padding: clamp(26px, 5vw, 46px) 0 clamp(40px, 6vw, 72px);
  background:
    radial-gradient(115% 95% at 80% 0%, rgba(18, 62, 58, .95) 0%, rgba(11, 43, 36, 0) 64%),
    linear-gradient(168deg, var(--ink-green) 0%, var(--ink-green-deep) 100%);
  border-bottom-left-radius: var(--r-lg);
  border-bottom-right-radius: var(--r-lg);
}

.page-products .pr-hero__crumb {
  margin-bottom: clamp(18px, 4vw, 32px);
}

.page-products .pr-hero__crumb a,
.page-products .pr-hero__crumb li {
  color: rgba(243, 235, 221, .62);
}

.page-products .pr-hero__crumb a:hover,
.page-products .pr-hero__crumb a:focus-visible {
  color: var(--bronze-lit);
}

.page-products .pr-hero__crumb li[aria-current="page"] {
  color: var(--bronze-lit);
}

.page-products .pr-hero__grid {
  display: grid;
  gap: clamp(24px, 5vw, 52px);
}

.page-products .pr-hero__vnote {
  color: var(--bronze-lit);
  margin-bottom: 10px;
}

.page-products .pr-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 6.2vw, 54px);
  line-height: 1.14;
  letter-spacing: .02em;
  margin: 0 0 20px;
  max-width: 14em;
}

.page-products .pr-hero__title::after {
  content: "";
  display: block;
  width: 84px;
  height: 3px;
  margin-top: 20px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--bronze-lit), rgba(216, 176, 106, 0));
}

.page-products .pr-hero__lede {
  color: rgba(243, 235, 221, .82);
  max-width: 33em;
  margin: 0 0 16px;
}

.page-products .pr-hero__note {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist-teal);
  max-width: 32em;
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--pr-hair);
}

.page-products .pr-hero__figure {
  margin: 0;
  aspect-ratio: 1 / 1;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
}

.page-products .pr-hero__figure .media-frame__caption {
  color: var(--mist-teal);
}

/* ---------- 模块索引 ---------- */
.page-products .pr-index {
  padding: clamp(34px, 6vw, 60px) 0 clamp(8px, 2vw, 18px);
}

.page-products .pr-index__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 25px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink-green);
  margin: 0 0 18px;
}

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

.page-products .pr-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border: 1px solid var(--bronze);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--ink-green);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 180ms var(--ease-soft), color 180ms var(--ease-soft), transform 180ms var(--ease-soft);
}

.page-products .pr-chip:hover,
.page-products .pr-chip:focus-visible {
  background: var(--ink-green);
  color: var(--warm-white);
  transform: translateY(-2px);
}

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

.page-products .pr-chip__num {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bronze);
  transition: color 180ms var(--ease-soft);
}

.page-products .pr-chip:hover .pr-chip__num,
.page-products .pr-chip:focus-visible .pr-chip__num {
  color: var(--bronze-lit);
}

/* ---------- V4 面板 ---------- */
.page-products .pr-panel {
  padding: clamp(40px, 7vw, 84px) 0;
}

.page-products .pr-panel__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .pr-panel__copy .tag {
  display: inline-block;
}

.page-products .pr-panel__copy .prose {
  margin-top: 0;
}

.page-products .pr-parts {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 20px;
  padding: 0;
}

.page-products .pr-part {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pr-hair-soft);
}

.page-products .pr-part__num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bronze);
  padding-top: 3px;
}

.page-products .pr-part__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-green);
  margin: 0 0 5px;
}

.page-products .pr-part__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pr-panel__fit {
  font-size: 15px;
  color: var(--text-soft);
}

.page-products .pr-schem {
  margin: 0;
  background: linear-gradient(160deg, var(--felt-teal), var(--ink-green));
  border: 1px solid var(--pr-hair);
  border-radius: var(--r-lg);
  padding: clamp(14px, 3vw, 24px);
  box-shadow: var(--shadow-1);
}

.page-products .pr-schem svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pr-schem__cap {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-teal);
}

.page-products .pr-shot {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

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

/* ---------- 段位与规则 ---------- */
.page-products .pr-ranks {
  background: linear-gradient(150deg, var(--felt-teal) 0%, var(--ink-green-deep) 100%);
  color: var(--warm-white);
  border-radius: var(--r-lg);
  padding: clamp(36px, 6vw, 72px) 0;
}

.page-products .pr-ranks__title {
  color: var(--warm-white);
}

.page-products .pr-ranks__lede {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(243, 235, 221, .76);
  max-width: 34em;
  margin: 0 0 22px;
}

.page-products .pr-grade {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pr-grade__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--pr-hair);
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--warm-white);
}

.page-products .pr-grade__item:nth-child(even) {
  transform: translateY(4px);
}

.page-products .pr-grade__lv {
  font-size: 11px;
  color: var(--bronze-lit);
}

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

.page-products .pr-rules li {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 235, 221, .78);
  padding-left: 14px;
  border-left: 2px solid var(--bronze);
}

.page-products .pr-rules b {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--bronze-lit);
  margin-bottom: 3px;
}

/* ---------- 移动端 ---------- */
.page-products .pr-mobile {
  padding: clamp(42px, 7vw, 84px) 0;
}

.page-products .pr-mobile__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-products .pr-mobile__copy .tag {
  display: inline-block;
}

.page-products .pr-mobile__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pr-mobile__list li {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
  padding: 12px 16px;
  background: rgba(216, 207, 191, .32);
  border-radius: var(--r-md);
}

.page-products .pr-mobile__list b {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--ink-green);
  margin-bottom: 4px;
}

.page-products .pr-mobile__note {
  margin: 18px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist-teal);
}

.page-products .pr-mobile__figure {
  margin: 0;
  aspect-ratio: 3 / 4;
  border-radius: var(--r-lg);
}

/* ---------- 案例合集 ---------- */
.page-products .pr-cases {
  padding: clamp(44px, 7vw, 88px) 0 clamp(28px, 4vw, 44px);
  background: linear-gradient(180deg, rgba(216, 207, 191, .34) 0%, rgba(243, 235, 221, 0) 42%);
}

.page-products .pr-cases__intro .tag {
  display: inline-block;
}

.page-products .pr-cases__figure {
  margin: clamp(24px, 4vw, 36px) 0 clamp(28px, 4vw, 44px);
}

.page-products .pr-cases__body {
  display: grid;
  gap: 20px;
}

.page-products .pr-scale {
  background: linear-gradient(160deg, var(--felt-teal), var(--ink-green));
  border: 1px solid var(--pr-hair);
  border-radius: var(--r-md);
  padding: 10px;
}

.page-products .pr-scale__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pr-scale__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 13px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(243, 235, 221, .82);
  text-decoration: none;
  transition: background-color 180ms var(--ease-soft), color 180ms var(--ease-soft);
}

.page-products .pr-scale__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bronze);
  flex: none;
}

.page-products .pr-scale__link:hover,
.page-products .pr-scale__link:focus-visible {
  background: rgba(243, 235, 221, .12);
  color: var(--bronze-lit);
}

.page-products .pr-scale__link:focus-visible {
  outline: 2px solid var(--bronze-lit);
  outline-offset: 2px;
}

.page-products .pr-dur {
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid var(--pr-hair-soft);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-products .pr-dur:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-products .pr-dur__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-products .pr-dur__tick {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink-green);
  margin: 0;
  padding: 5px 12px;
  border: 1px solid var(--bronze);
  border-radius: var(--r-pill);
}

.page-products .pr-dur__count {
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist-teal);
}

.page-products .pr-dur__cards {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.page-products .pr-case {
  position: relative;
  background: var(--pr-card);
  border: 1px solid var(--pr-hair-soft);
  border-radius: var(--r-md);
  padding: 18px 18px 14px;
  transition: border-color 200ms var(--ease-soft), transform 200ms var(--ease-soft), box-shadow 200ms var(--ease-soft);
}

.page-products .pr-case::before {
  content: "";
  position: absolute;
  left: 18px;
  top: -1px;
  width: 46px;
  height: 2px;
  background: var(--bronze);
  border-radius: var(--r-pill);
  transition: width 200ms var(--ease-soft);
}

.page-products .pr-case:hover {
  border-color: var(--bronze);
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}

.page-products .pr-case:hover::before {
  width: 74px;
}

.page-products .pr-case h4 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-green);
}

.page-products .pr-case > p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pr-case details {
  margin-top: 12px;
  padding-top: 9px;
  border-top: 1px dashed var(--pr-hair-soft);
}

.page-products .pr-case summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--bronze);
  list-style: none;
}

.page-products .pr-case summary::-webkit-details-marker {
  display: none;
}

.page-products .pr-case summary::after {
  content: "＋";
  margin-left: 6px;
}

.page-products .pr-case details[open] summary::after {
  content: "－";
}

.page-products .pr-case summary:focus-visible {
  outline: 2px solid var(--bronze-lit);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.page-products .pr-case__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist-teal);
}

.page-products .pr-case__tags span {
  border: 1px solid var(--pr-hair-soft);
  border-radius: var(--r-pill);
  padding: 3px 9px;
}

.page-products .pr-case__link {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-soft);
}

.page-products .pr-case__link a {
  color: var(--vermilion);
  text-decoration: none;
  border-bottom: 1px solid rgba(181, 58, 45, .35);
}

.page-products .pr-case__link a:hover,
.page-products .pr-case__link a:focus-visible {
  color: var(--ink-green);
  border-bottom-color: var(--bronze);
}

/* ---------- 选择建议 ---------- */
.page-products .pr-advice {
  padding: clamp(40px, 6vw, 76px) 0 clamp(56px, 8vw, 96px);
}

.page-products .pr-advice__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-products .pr-scene {
  border-left: 2px solid var(--bronze);
  padding: 2px 0 2px 16px;
  margin-bottom: 24px;
}

.page-products .pr-scene__k {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--vermilion);
}

.page-products .pr-scene__t {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-green);
  margin: 6px 0 7px;
}

.page-products .pr-scene__d {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-products .pr-scene__d a,
.page-products .pr-advice__foot a {
  color: var(--ink-green);
  text-decoration: none;
  border-bottom: 1px solid var(--bronze);
}

.page-products .pr-scene__d a:hover,
.page-products .pr-scene__d a:focus-visible,
.page-products .pr-advice__foot a:hover,
.page-products .pr-advice__foot a:focus-visible {
  color: var(--vermilion);
  border-bottom-color: var(--vermilion);
}

.page-products .pr-advice__foot {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: rgba(216, 207, 191, .34);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pr-advice__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border-radius: var(--r-lg);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pr-dur__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pr-rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 22px;
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
  }

  .page-products .pr-panel__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-products .pr-mobile__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .62fr);
  }

  .page-products .pr-advice__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
  }
}

@media (min-width: 1024px) {
  .page-products .pr-cases__body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .pr-scale {
    position: sticky;
    top: var(--pr-sticky);
  }

  .page-products .pr-scale__list {
    flex-direction: column;
    overflow: visible;
  }

  .page-products .pr-scale__link {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-chip,
  .page-products .pr-case,
  .page-products .pr-case::before,
  .page-products .pr-scale__link {
    transition: none;
  }

  .page-products .pr-chip:hover,
  .page-products .pr-case:hover,
  .page-products .pr-grade__item:nth-child(even) {
    transform: none;
  }
}