.page-products {
  --pd-gap: clamp(20px, 3vw, 34px);
  background: var(--bg);
  color: var(--fg);
}

.page-products .breadcrumbs {
  padding-top: clamp(18px, 3vw, 28px);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}
.page-products .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .breadcrumbs a:hover {
  color: var(--accent-soft);
  border-bottom-color: var(--accent-soft);
}
.page-products .breadcrumbs [aria-current="page"] {
  color: var(--accent-soft);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: clamp(28px, 4.6vw, 58px) 0 clamp(36px, 5vw, 68px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .34;
  -webkit-mask-image: radial-gradient(130% 90% at 15% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(130% 90% at 15% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}
.page-products .pd-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .pd-hero-copy .eyebrow {
  color: var(--gold-300);
  letter-spacing: .16em;
}
.page-products .pd-hero-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(32px, 6.1vw, 74px);
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: .2em 0 .34em;
  color: var(--paper-100);
  text-wrap: balance;
}
.page-products .pd-em {
  color: var(--gold-300);
  border-bottom: 3px solid var(--gold-500);
  padding-bottom: .03em;
}
.page-products .pd-hero-lede {
  max-width: 58ch;
  color: var(--paper-100);
  opacity: .88;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
}
.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pd-hero-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut, 20px)) 0, 100% var(--pd-cut, 20px), 100% 100%, 0 100%);
  --pd-cut: 22px;
}
.page-products .pd-hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  border-top: 1px solid rgba(201, 162, 39, .5);
  pointer-events: none;
}
.page-products .pd-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
  filter: saturate(.82) contrast(1.04);
}
.page-products .pd-cap {
  display: block;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  letter-spacing: .02em;
}

.page-products .pd-hero-index {
  position: relative;
  list-style: none;
  margin: clamp(30px, 4vw, 50px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.page-products .pd-hero-index li {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-width: 0;
}
.page-products .pd-hero-index a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px 16px;
  text-decoration: none;
  color: var(--fg);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .pd-hero-index a:hover,
.page-products .pd-hero-index a:focus-visible {
  background: rgba(201, 162, 39, .1);
}
.page-products .pd-idx-n {
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold-500);
}
.page-products .pd-idx-t {
  font-size: 14px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

/* ---------- 通用章节微调 ---------- */
.page-products .section-head {
  max-width: 68ch;
}
.page-products .section-kicker {
  color: var(--teal-ink);
  letter-spacing: .14em;
  font-family: var(--font-mono);
}
.page-products .section-title {
  font-family: var(--font-serif);
}

/* ---------- 01 栏目索引 ---------- */
.page-products .pd-cluster-list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 42px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-products .pd-cluster {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 20px;
  padding: clamp(22px, 3vw, 32px) 0 clamp(22px, 3vw, 32px) 18px;
  border-bottom: 1px solid var(--line);
}
.page-products .pd-cluster::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold-500), rgba(201, 162, 39, .1));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 300ms var(--ease);
}
.page-products .pd-cluster:hover::before,
.page-products .pd-cluster:focus-within::before {
  transform: scaleY(1);
}
.page-products .pd-cluster .index-num {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: .9;
  letter-spacing: -.02em;
  color: transparent;
  -webkit-text-stroke: 1.6px var(--gold-500);
  transition: color var(--dur) var(--ease);
}
.page-products .pd-cluster:hover .index-num {
  color: rgba(232, 199, 102, .16);
}
.page-products .pd-cluster-body {
  min-width: 0;
}
.page-products .pd-cluster-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px);
  color: var(--paper-100);
  letter-spacing: -.01em;
}
.page-products .pd-cluster-body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--muted);
  max-width: 62ch;
}
.page-products .pd-cluster-tag {
  grid-column: 2;
  justify-self: start;
  align-self: start;
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid rgba(31, 111, 120, .7);
  color: var(--teal-ink);
  font-size: 12.5px;
  letter-spacing: .1em;
  white-space: nowrap;
}
.page-products .pd-cluster:hover .pd-cluster-tag {
  border-color: var(--gold-500);
  color: var(--gold-300);
}

/* ---------- 02 切换指引（浅色区） ---------- */
.page-products .pd-switch {
  background: var(--paper-100);
  color: var(--ink-950);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-products .pd-switch .section-kicker {
  color: var(--clay-600);
}
.page-products .pd-switch .section-title {
  color: var(--ink-950);
}
.page-products .pd-switch .section-sub {
  color: #4b5058;
}
.page-products .pd-switch-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
  margin-top: clamp(24px, 3.2vw, 40px);
}
.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(13, 14, 17, .16);
}
.page-products .pd-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px 22px;
  align-items: start;
  padding: clamp(22px, 3vw, 30px) 0;
  border-bottom: 1px solid rgba(13, 14, 17, .16);
}
.page-products .pd-step-num {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(46px, 8.6vw, 92px);
  line-height: .82;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 2px var(--gold-500);
  transition: color 260ms var(--ease), -webkit-text-stroke-color 260ms var(--ease);
}
.page-products .pd-step:hover .pd-step-num {
  color: rgba(201, 162, 39, .2);
}
.page-products .pd-step-body {
  min-width: 0;
  padding-top: 6px;
}
.page-products .pd-step-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 21px);
  color: var(--ink-950);
}
.page-products .pd-step-body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: #4b5058;
  max-width: 56ch;
}
.page-products .pd-switch-figure {
  margin: 0;
  border: 1px solid rgba(13, 14, 17, .2);
  background: #fff;
}
.page-products .pd-switch-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-products .pd-switch-figure .pd-cap {
  border-top-color: rgba(13, 14, 17, .14);
  color: #5a5f67;
}

/* ---------- 03 苹果栏目 ---------- */
.page-products .pd-apple-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 44px);
  margin-top: clamp(24px, 3.2vw, 40px);
  align-items: start;
}
.page-products .pd-apple-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}
.page-products .pd-apple-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.85);
}
.page-products .pd-apple-body {
  min-width: 0;
}
.page-products .pd-sub-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 20px);
  color: var(--gold-300);
  letter-spacing: -.005em;
}
.page-products .pd-sub-title + p {
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 56ch;
}
.page-products .pd-device-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
  padding: 0;
}
.page-products .pd-device-tags li {
  padding: 9px 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--paper-100);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .pd-device-tags li:hover {
  border-color: var(--gold-500);
  color: var(--gold-300);
}
.page-products .pd-path {
  list-style: none;
  counter-reset: pdpath;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}
.page-products .pd-path li {
  counter-increment: pdpath;
  position: relative;
  padding: 0 0 18px 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-products .pd-path li::before {
  content: counter(pdpath, decimal-leading-zero);
  position: absolute;
  left: -13px;
  top: 2px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-950);
  border: 1px solid var(--gold-500);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-300);
}
.page-products .pd-path li span {
  display: inline-block;
  margin-right: 8px;
  color: var(--paper-100);
  font-weight: 600;
}
.page-products .pd-path li:last-child {
  padding-bottom: 0;
}

/* ---------- 04 场景速查 ---------- */
.page-products .pd-scenes {
  background: var(--ink-950);
}
.page-products .pd-scene-media {
  margin: clamp(22px, 3vw, 34px) 0;
  border: 1px solid var(--line);
  overflow: hidden;
}
.page-products .pd-scene-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.78) contrast(1.05);
}
.page-products .pd-scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .pd-scene {
  background: var(--paper-100);
  color: var(--ink-950);
  padding: clamp(20px, 2.6vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background var(--dur) var(--ease);
}
.page-products .pd-scene:hover {
  background: #fff;
}
.page-products .pd-scene-tag {
  align-self: flex-start;
  padding: 4px 12px;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: #fff;
}
.page-products .pd-scene-tag--clay { background: var(--clay-600); }
.page-products .pd-scene-tag--teal { background: var(--teal-600); }
.page-products .pd-scene-tag--moss { background: var(--moss-500); }
.page-products .pd-scene-tag--gold { background: var(--gold-500); color: var(--ink-950); }
.page-products .pd-scene h3 {
  margin: 4px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17.5px;
  line-height: 1.45;
  color: var(--ink-950);
}
.page-products .pd-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5058;
}
.page-products .pd-scene-path {
  margin-top: auto !important;
  padding-top: 12px;
  border-top: 1px dashed rgba(13, 14, 17, .22);
  font-size: 13.5px !important;
  color: var(--clay-600) !important;
  letter-spacing: .01em;
}

/* ---------- 05 入口对照 ---------- */
.page-products .pd-map-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  margin-top: clamp(22px, 3vw, 36px);
  align-items: start;
}
.page-products .pd-map-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}
.page-products .pd-map-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-products .pd-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  background: var(--surface);
}
.page-products .pd-table-cap {
  caption-side: top;
  text-align: left;
  padding: 14px 18px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold-300);
  border-bottom: 1px solid var(--line);
}
.page-products .pd-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
}
.page-products .pd-table thead th {
  text-align: left;
  padding: 12px 18px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--gold-300);
  border-bottom: 1px solid var(--gold-500);
  white-space: nowrap;
}
.page-products .pd-table tbody th,
.page-products .pd-table tbody td {
  text-align: left;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.65;
  color: var(--paper-100);
}
.page-products .pd-table tbody th {
  font-weight: 500;
  color: var(--muted);
  width: 34%;
}
.page-products .pd-table tbody td a {
  color: var(--teal-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 169, 177, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .pd-table tbody td a:hover {
  color: var(--gold-300);
  border-bottom-color: var(--gold-300);
}
.page-products .pd-table tbody tr:last-child th,
.page-products .pd-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-products .pd-table tbody tr:hover {
  background: rgba(201, 162, 39, .06);
}

/* ---------- 06 更新节奏 ---------- */
.page-products .pd-rhythm {
  border-top: 1px solid var(--line);
}
.page-products .pd-rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(24px, 3vw, 38px);
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .pd-rhythm-item {
  background: var(--ink-800);
  padding: clamp(22px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-products .pd-rhythm-num {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(52px, 8vw, 84px);
  line-height: .85;
  letter-spacing: -.03em;
  color: var(--gold-300);
  border-bottom: 2px solid var(--gold-500);
  padding-bottom: 10px;
  align-self: flex-start;
  min-width: 1.4em;
  text-align: left;
}
.page-products .pd-rhythm-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-products .pd-rhythm-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--teal-600);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 78ch;
}

/* ---------- 07 推荐路径 ---------- */
.page-products .pd-help {
  border-top: 1px solid var(--line);
}
.page-products .pd-help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(24px, 3vw, 36px);
}
.page-products .pd-help-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 3.2vw, 36px);
  border: 1px solid var(--line);
  background: var(--surface);
  text-decoration: none;
  color: var(--fg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-products .pd-help-card:hover,
.page-products .pd-help-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--gold-500);
  background: #1f2229;
}
.page-products .pd-help-num {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(40px, 6vw, 64px);
  line-height: .85;
  color: transparent;
  -webkit-text-stroke: 2px var(--gold-500);
}
.page-products .pd-help-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 22px);
  color: var(--paper-100);
  line-height: 1.4;
}
.page-products .pd-help-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-products .pd-help-go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--teal-ink);
}
.page-products .pd-help-card--action .pd-help-num {
  -webkit-text-stroke-color: var(--coral-500);
}
.page-products .pd-help-card--action .pd-help-go {
  color: var(--coral-500);
}
.page-products .pd-help-card--action:hover,
.page-products .pd-help-card--action:focus-visible {
  border-color: var(--coral-500);
}
.page-products .pd-help-foot {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pd-help-foot a {
  color: var(--teal-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 169, 177, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .pd-help-foot a:hover {
  color: var(--gold-300);
  border-bottom-color: var(--gold-300);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pd-hero-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pd-scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .pd-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-products .pd-hero-index {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-products .pd-cluster {
    grid-template-columns: 110px minmax(0, 1fr) 118px;
    align-items: center;
    gap: 12px 26px;
  }
  .page-products .pd-cluster-tag {
    grid-column: 3;
    justify-self: end;
    align-self: center;
  }
  .page-products .pd-apple-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
  .page-products .pd-rhythm-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pd-switch-grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .pd-switch-figure {
    position: sticky;
    top: 96px;
  }
  .page-products .pd-map-grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.4fr);
  }
  .page-products .pd-scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-products .pd-hero-index {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .pd-step {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .pd-step-num {
    font-size: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-cluster::before,
  .page-products .pd-help-card,
  .page-products .pd-cluster .index-num,
  .page-products .pd-step-num {
    transition: none;
  }
  .page-products .pd-help-card:hover,
  .page-products .pd-help-card:focus-visible {
    transform: none;
  }
}