.page-products {
  --pr-gap: clamp(18px, 3vw, 30px);
  --pr-pad: clamp(20px, 3vw, 30px);
  display: block;
  background: var(--ink);
  color: var(--ivory);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(34px, 6vw, 76px) clamp(46px, 7vw, 96px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 86% 6%, rgba(212, 175, 55, 0.17), transparent 58%),
    linear-gradient(162deg, #131313 0%, var(--ink) 48%, #100e0a 100%);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  left: -18%;
  right: -10%;
  bottom: 26%;
  height: 54%;
  background: linear-gradient(135deg, rgba(140, 107, 31, 0.3), rgba(212, 175, 55, 0.1) 48%, transparent 74%);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-products .pr-hero::after {
  content: "";
  position: absolute;
  top: -130px;
  right: -120px;
  width: 320px;
  height: 320px;
  border: 1px solid var(--line);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-products .pr-hero__shell {
  position: relative;
  z-index: 1;
}

.page-products .pr-hero__annot {
  margin: 20px 0 14px;
  color: var(--gold);
  letter-spacing: 0.18em;
}

.page-products .pr-hero__title {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6.2vw, 60px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--ivory);
  text-shadow: 0 0 34px rgba(212, 175, 55, 0.18);
}

.page-products .pr-hero__lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: var(--measure);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--mist-lt);
}

.page-products .pr-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-hero__fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  border-left: 2px solid var(--gold-dark);
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.09), rgba(212, 175, 55, 0));
}

.page-products .pr-hero__fact-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 500;
  line-height: 1;
  color: var(--gold-hi);
}

.page-products .pr-hero__fact-label {
  font-size: 14px;
  color: var(--mist-lt);
}

/* ---------- 章节头 ---------- */
.page-products .section-block {
  padding-block: clamp(52px, 8vw, 104px);
  position: relative;
}

.page-products .section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .pr-overview__head {
  max-width: 46em;
}

.page-products .pr-overview__head .section-lede {
  margin: 12px 0 0;
  color: var(--mist-lt);
  line-height: 1.9;
  font-size: 15.5px;
}

/* ---------- 功能矩阵 ---------- */
.page-products .pr-overview__media {
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-products .pr-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pr-gap);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pr-cell;
}

.page-products .pr-matrix__cell {
  position: relative;
  padding: 26px 22px 28px;
  background: linear-gradient(155deg, rgba(245, 241, 230, 0.06), rgba(14, 14, 14, 0.92));
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-products .pr-matrix__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .pr-matrix__title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
  color: var(--ivory);
}

.page-products .pr-matrix__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist-lt);
}

.page-products .pr-matrix__path {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--jade-lt);
  max-height: none;
  opacity: 1;
  overflow: hidden;
  transition: opacity 0.3s var(--ease);
}

/* ---------- 频道索引 ---------- */
.page-products .pr-channels {
  background: linear-gradient(180deg, rgba(14, 14, 14, 0.9), rgba(26, 26, 26, 0.4));
  border-top: 1px solid var(--line-soft);
}

.page-products .pr-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
}

.page-products .pr-channels__prose {
  max-width: var(--measure);
  color: var(--mist-lt);
  line-height: 1.9;
  font-size: 15.5px;
}

.page-products .pr-channels__prose p {
  margin: 0 0 16px;
}

.page-products .pr-channels__media {
  margin: 8px 0 0;
}

.page-products .pr-tagcloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
  padding: 16px 16px 4px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(212, 175, 55, 0.05);
}

.page-products .pr-tagcloud .tag-chip {
  cursor: pointer;
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .pr-tagcloud .tag-chip:hover,
.page-products .pr-tagcloud .tag-chip:focus-visible {
  transform: translateY(-2px);
}

.page-products .pr-tagcloud .tag-chip.is-active,
.page-products .pr-tagcloud .tag-chip[aria-pressed="true"] {
  background: var(--gold-foil);
  color: var(--ink-deep);
  border-color: transparent;
}

.page-products .pr-channel-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-channel {
  padding: 15px 16px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(212, 175, 55, 0.55);
  background: linear-gradient(100deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-products .pr-channel:hover {
  border-color: var(--line);
  background-color: rgba(212, 175, 55, 0.05);
}

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

.page-products .pr-channel__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  color: var(--ivory);
  text-decoration: none;
}

.page-products .pr-channel__name:hover {
  color: var(--gold-hi);
}

.page-products .pr-channel__fav {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--gold);
}

.page-products .pr-channel__fav.is-active,
.page-products .pr-channel__fav[aria-pressed="true"] {
  background: var(--gold-foil);
  color: var(--ink-deep);
  border-color: transparent;
}

.page-products .pr-channel__text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist-lt);
}

/* ---------- 订阅 ---------- */
.page-products .pr-subscribe__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .pr-update-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-update {
  display: flex;
  gap: 14px;
  padding: 16px 16px 16px 18px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.025);
}

.page-products .pr-update__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  padding-top: 3px;
}

.page-products .pr-update__title {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 900;
  color: var(--ivory);
}

.page-products .pr-update__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist-lt);
}

.page-products .pr-switch {
  margin-top: 22px;
  padding: 20px;
  background: linear-gradient(140deg, rgba(228, 87, 46, 0.1), rgba(212, 175, 55, 0.06));
  border: 1px solid var(--line-soft);
}

.page-products .pr-switch__btn {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1px solid var(--coral);
  color: var(--coral);
  background: transparent;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .pr-switch__btn:hover {
  background: rgba(228, 87, 46, 0.14);
}

.page-products .pr-switch__btn.is-on,
.page-products .pr-switch__btn[aria-pressed="true"] {
  background: var(--coral);
  color: var(--ivory);
}

.page-products .pr-switch__status {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-lt);
}

.page-products .pr-subscribe__media {
  margin: 0;
}

/* ---------- 收藏 ---------- */
.page-products .pr-favorite {
  background: linear-gradient(180deg, rgba(26, 26, 26, 0.5), rgba(14, 14, 14, 0.92));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pr-favorite__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-products .pr-ring {
  position: relative;
  width: min(230px, 62vw);
  margin: 0 auto;
}

.page-products .pr-ring svg {
  display: block;
  width: 100%;
  height: auto;
  transform: rotate(-90deg);
}

.page-products .pr-ring__track,
.page-products .pr-ring__arc {
  fill: none;
  stroke-width: 9;
  stroke-linecap: round;
}

.page-products .pr-ring__track {
  stroke: rgba(212, 175, 55, 0.16);
}

.page-products .pr-ring__arc {
  stroke: url(#prGoldGrad);
  stroke-dasharray: 339.29;
  stroke-dashoffset: 84.8;
  animation: pr-ring-fill 1.4s var(--ease) 0.15s both;
}

@keyframes pr-ring-fill {
  from {
    stroke-dashoffset: 339.29;
  }
  to {
    stroke-dashoffset: 84.8;
  }
}

.page-products .pr-ring__cap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
}

.page-products .pr-ring__num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 6vw, 46px);
  line-height: 1;
  color: var(--gold-hi);
}

.page-products .pr-ring__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist-lt);
}

.page-products .pr-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-products .pr-step {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.page-products .pr-step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .pr-step__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  color: var(--ivory);
}

.page-products .pr-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist-lt);
}

.page-products .pr-favorite__media {
  margin: 26px 0 0;
}

/* ---------- 版本对照 ---------- */
.page-products .pr-compare__media {
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-products .pr-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.02);
}

.page-products .pr-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .pr-table__caption {
  caption-side: top;
  padding: 16px 18px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-products .pr-table th,
.page-products .pr-table td {
  padding: 16px 18px;
  text-align: left;
  line-height: 1.8;
  vertical-align: top;
}

.page-products .pr-table thead th {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
  background: rgba(212, 175, 55, 0.07);
  border-bottom: 1px solid var(--line);
}

.page-products .pr-table tbody th {
  font-weight: 500;
  color: var(--ivory);
  white-space: nowrap;
}

.page-products .pr-table tbody td {
  color: var(--mist-lt);
  border-top: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
}

.page-products .pr-table tbody tr:hover td:last-child {
  background: rgba(212, 175, 55, 0.09);
  color: var(--ivory);
}

/* ---------- 场景 ---------- */
.page-products .pr-scene-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pr-gap);
}

.page-products .pr-scene {
  padding: 26px 22px 28px;
  background: linear-gradient(150deg, rgba(245, 241, 230, 0.05), rgba(14, 14, 14, 0.9));
  border: 1px solid var(--line-soft);
}

.page-products .pr-scene__annot {
  margin: 0 0 10px;
  color: var(--jade-lt);
}

.page-products .pr-scene__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--ivory);
}

.page-products .pr-scene__text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist-lt);
}

.page-products .pr-scene__config {
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line-soft);
  display: grid;
  gap: 8px;
}

.page-products .pr-scene__config li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gold-hi);
}

.page-products .pr-scene__config li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--gold-foil);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

/* ---------- 页尾行动区 ---------- */
.page-products .pr-cta {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line-soft);
}

.page-products .pr-cta__text {
  margin: 0 0 20px;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist-lt);
}

.page-products .pr-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pr-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pr-hero__fact {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

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

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

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

  .page-products .pr-scene:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .page-products .section-head {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
    align-items: start;
  }

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

  .page-products .pr-matrix__cell:hover,
  .page-products .pr-matrix__cell:focus-within {
    transform: translateY(-5px);
    border-color: var(--line);
  }

  .page-products .pr-matrix__path {
    max-height: 0;
    opacity: 0;
  }

  .page-products .pr-matrix__cell:hover .pr-matrix__path,
  .page-products .pr-matrix__cell:focus-within .pr-matrix__path {
    max-height: 90px;
    opacity: 1;
  }

  .page-products .pr-channels__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(34px, 4.5vw, 64px);
  }

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

  .page-products .pr-subscribe__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

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

  .page-products .pr-favorite__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: center;
  }

  .page-products .pr-ring {
    width: min(280px, 100%);
  }

  .page-products .pr-scene-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pr-scene:nth-child(1) {
    margin-top: 34px;
  }

  .page-products .pr-scene:nth-child(2) {
    margin-top: 0;
  }

  .page-products .pr-scene:nth-child(3) {
    grid-column: auto;
    margin-top: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-matrix__cell,
  .page-products .pr-tagcloud .tag-chip {
    transition: none;
  }

  .page-products .pr-ring__arc {
    animation: none;
    stroke-dashoffset: 84.8;
  }
}