.page-products {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  max-width: 1380px;
  margin: 0 auto;
  padding: 22px var(--gutter) 0;
}

/* ---------- 01 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 88px) 0 clamp(52px, 8vw, 104px);
  border-bottom: 1px solid rgba(201, 162, 39, 0.28);
}

.page-products .pd-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-products .pd-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-products .pd-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 100% at 8% 12%, rgba(14, 14, 16, 0.42) 0%, rgba(14, 14, 16, 0.93) 58%, #0E0E10 100%);
}

.page-products .pd-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 34px;
}

.page-products .pd-hero-copy {
  max-width: 720px;
}

.page-products .pd-hero-copy .plate {
  margin: 0 0 18px;
}

.page-products .pd-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 7vw, 65px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 14em;
}

.page-products .pd-hero-lead {
  margin: 0 0 28px;
  font-size: var(--step0);
  line-height: 1.8;
  color: var(--cream);
  max-width: 60ch;
}

.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.page-products .pd-hero-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  border: 1px solid rgba(201, 162, 39, 0.28);
  background: rgba(201, 162, 39, 0.28);
  max-width: 560px;
}

.page-products .pd-hero-facts > div {
  background: rgba(20, 20, 23, 0.86);
  padding: 14px 18px;
}

.page-products .pd-hero-facts dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-products .pd-hero-facts dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: var(--step1);
  color: var(--gold-light);
}

.page-products .pd-hero-bands {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  min-height: 132px;
}

.page-products .pd-band {
  position: relative;
  display: block;
  border: 1px solid rgba(201, 162, 39, 0.28);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.18));
  overflow: hidden;
}

.page-products .pd-band i {
  position: absolute;
  inset: 0 auto auto 0;
  display: block;
  width: 100%;
  height: 5px;
}

.page-products .pd-band--classic i { background: var(--gold); }
.page-products .pd-band--light i { background: var(--gold-light); }
.page-products .pd-band--collection i { background: var(--crimson); }
.page-products .pd-band--speed i { background: var(--steel); }

.page-products .pd-band--classic { background: linear-gradient(180deg, rgba(201, 162, 39, 0.22), rgba(201, 162, 39, 0.02)); }
.page-products .pd-band--light { background: linear-gradient(180deg, rgba(231, 207, 142, 0.18), rgba(231, 207, 142, 0.02)); }
.page-products .pd-band--collection { background: linear-gradient(180deg, rgba(142, 43, 51, 0.26), rgba(142, 43, 51, 0.02)); }
.page-products .pd-band--speed { background: linear-gradient(180deg, rgba(110, 124, 134, 0.24), rgba(110, 124, 134, 0.02)); }

/* ---------- 通用章节头 ---------- */
.page-products .chapter-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 16px 20px;
  padding-bottom: 26px;
  margin-bottom: 36px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.24);
}

.page-products .chapter-num {
  margin: 0;
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1;
  color: var(--gold);
  opacity: 0.9;
}

.page-products .chapter-body {
  min-width: 0;
}

.page-products .chapter-kicker {
  margin: 0 0 8px;
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--gold-light);
}

.page-products .chapter-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 4.2vw, 41px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .chapter-lead {
  margin: 0;
  max-width: 68ch;
  font-size: var(--step0);
  line-height: 1.8;
  color: var(--cream);
}

/* ---------- 02 产品线总览 ---------- */
.page-products .pd-lines {
  padding: clamp(52px, 8vw, 104px) 0;
  background: var(--charcoal);
}

.page-products .pd-lines-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(201, 162, 39, 0.26);
  border: 1px solid rgba(201, 162, 39, 0.26);
}

.page-products .pd-line {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 28px;
  background: var(--ink);
  transition: background-color 0.18s var(--ease);
}

.page-products .pd-line:hover {
  background: #131317;
}

.page-products .pd-line-strip {
  display: block;
  height: 4px;
  width: 64px;
  border-radius: 2px;
  margin-bottom: 4px;
}

.page-products .pd-line--classic .pd-line-strip { background: var(--gold); }
.page-products .pd-line--light .pd-line-strip { background: var(--gold-light); }
.page-products .pd-line--collection .pd-line-strip { background: var(--crimson); }
.page-products .pd-line--speed .pd-line-strip { background: var(--steel); }

.page-products .pd-line-idx {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-products .pd-line-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step2);
  line-height: 1.2;
  color: var(--paper);
}

.page-products .pd-line-desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.82);
}

.page-products .pd-line-meta {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(201, 162, 39, 0.2);
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.page-products .pd-line-meta dt {
  font-size: 13px;
  color: var(--steel);
}

.page-products .pd-line-meta dd {
  margin: 4px 0 0;
  font-size: var(--step0);
  color: var(--gold-light);
}

/* ---------- 03 下载与安装条件（浅色段） ---------- */
.page-products .pd-install {
  padding: clamp(52px, 8vw, 104px) 0;
  background: var(--cream);
  color: var(--ink);
}

.page-products .pd-install .chapter-head {
  border-bottom-color: rgba(140, 109, 31, 0.32);
}

.page-products .pd-install .chapter-num { color: var(--gold-deep); opacity: 1; }
.page-products .pd-install .chapter-kicker { color: var(--gold-deep); }
.page-products .pd-install .chapter-title { color: #14140F; }
.page-products .pd-install .chapter-lead { color: #33332E; }

.page-products .pd-install-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-products .pd-cond-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(140, 109, 31, 0.3);
  border: 1px solid rgba(140, 109, 31, 0.3);
  margin-bottom: 44px;
}

.page-products .pd-cond {
  background: var(--paper);
  padding: 22px 20px;
}

.page-products .pd-cond-key {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
}

.page-products .pd-cond h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step1);
  color: #14140F;
}

.page-products .pd-cond p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #3A3A34;
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(140, 109, 31, 0.32);
}

.page-products .pd-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px 20px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(140, 109, 31, 0.24);
}

.page-products .pd-step-num {
  font-size: clamp(28px, 5vw, 41px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-products .pd-step-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step1);
  color: #14140F;
}

.page-products .pd-step-body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #3A3A34;
}

.page-products .pd-install-figure {
  margin: 0;
}

.page-products .pd-install-figure img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(140, 109, 31, 0.36);
  border-radius: 2px;
  background: var(--graphite);
}

.page-products .pd-install-figure figcaption {
  margin-top: 12px;
  max-width: 420px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 04 当季版本收藏 ---------- */
.page-products .pd-vault {
  position: relative;
  padding: clamp(52px, 8vw, 104px) 0;
  background: var(--ink);
  overflow: hidden;
}

.page-products .pd-vault-texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-products .pd-vault-texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
}

.page-products .pd-vault-inner {
  position: relative;
  z-index: 1;
}

.page-products .pd-vault-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-products .pd-vault-plate {
  margin: 0;
  justify-self: start;
}

.page-products .pd-vault-plate img {
  display: block;
  width: 108px;
  height: 108px;
  object-fit: cover;
  border: 1px solid rgba(201, 162, 39, 0.42);
  border-radius: 2px;
}

.page-products .pd-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .pd-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 0 24px;
  margin-bottom: 4px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.24);
}

.page-products .pd-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--gold-light);
  background: var(--graphite);
  border: 1px solid rgba(201, 162, 39, 0.32);
  border-radius: 2px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-products .pd-chip:hover {
  border-color: var(--gold);
  color: var(--paper);
}

.page-products .pd-chip-n {
  font-size: 13px;
  color: var(--steel);
}

.page-products #pd-f-all:checked ~ .pd-chips [for="pd-f-all"],
.page-products #pd-f-classic:checked ~ .pd-chips [for="pd-f-classic"],
.page-products #pd-f-light:checked ~ .pd-chips [for="pd-f-light"],
.page-products #pd-f-collection:checked ~ .pd-chips [for="pd-f-collection"],
.page-products #pd-f-speed:checked ~ .pd-chips [for="pd-f-speed"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-products #pd-f-all:checked ~ .pd-chips [for="pd-f-all"] .pd-chip-n,
.page-products #pd-f-classic:checked ~ .pd-chips [for="pd-f-classic"] .pd-chip-n,
.page-products #pd-f-light:checked ~ .pd-chips [for="pd-f-light"] .pd-chip-n,
.page-products #pd-f-collection:checked ~ .pd-chips [for="pd-f-collection"] .pd-chip-n,
.page-products #pd-f-speed:checked ~ .pd-chips [for="pd-f-speed"] .pd-chip-n {
  color: rgba(14, 14, 16, 0.62);
}

.page-products #pd-f-all:focus-visible ~ .pd-chips [for="pd-f-all"],
.page-products #pd-f-classic:focus-visible ~ .pd-chips [for="pd-f-classic"],
.page-products #pd-f-light:focus-visible ~ .pd-chips [for="pd-f-light"],
.page-products #pd-f-collection:focus-visible ~ .pd-chips [for="pd-f-collection"],
.page-products #pd-f-speed:focus-visible ~ .pd-chips [for="pd-f-speed"] {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

.page-products #pd-f-classic:checked ~ .pd-list .pd-item:not([data-line="classic"]),
.page-products #pd-f-light:checked ~ .pd-list .pd-item:not([data-line="light"]),
.page-products #pd-f-collection:checked ~ .pd-list .pd-item:not([data-line="collection"]),
.page-products #pd-f-speed:checked ~ .pd-list .pd-item:not([data-line="speed"]) {
  display: none;
}

.page-products .pd-list {
  border-top: 1px solid rgba(201, 162, 39, 0.24);
}

.page-products .pd-item {
  padding: 16px 4px 0;
  border-bottom: 1px solid rgba(201, 162, 39, 0.16);
  transition: background-color 0.18s var(--ease);
}

.page-products .pd-item:hover,
.page-products .pd-item:focus-within {
  background: rgba(201, 162, 39, 0.07);
}

.page-products .pd-item-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 14px;
  padding-bottom: 14px;
}

.page-products .pd-item-ver {
  grid-column: 1 / -1;
  font-size: clamp(21px, 4.6vw, 26px);
  line-height: 1.2;
  color: var(--gold);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.page-products .pd-item-line {
  font-size: 14px;
  color: var(--steel);
}

.page-products .pd-item-q {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--steel);
}

.page-products .pd-item-row .tag-label {
  justify-self: start;
}

.page-products .pd-item .tag-dot {
  background: var(--gold);
}

.page-products .pd-item--maint .tag-dot {
  background: var(--steel);
}

.page-products .pd-item--arch .tag-dot {
  background: var(--crimson);
}

.page-products .pd-item .copy-btn {
  justify-self: end;
}

.page-products .pd-item-more {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s var(--ease), opacity 0.2s var(--ease);
}

.page-products .pd-item:hover .pd-item-more,
.page-products .pd-item:focus-within .pd-item-more {
  max-height: 10em;
  opacity: 1;
}

.page-products .pd-item-more p {
  margin: 0;
  padding: 0 4px 16px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.82);
}

/* ---------- 05 版本号核对 ---------- */
.page-products .pd-check {
  padding: clamp(52px, 8vw, 104px) 0;
  background: var(--charcoal);
}

.page-products .pd-check-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .pd-check-card {
  padding: 26px 22px 28px;
  background: var(--ink);
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: 2px;
}

.page-products .pd-check-card--paper {
  background: var(--cream);
  color: var(--ink);
  border-color: var(--gold-deep);
}

.page-products .pd-check-card--muted {
  background: var(--graphite);
  border-color: rgba(201, 162, 39, 0.22);
}

.page-products .pd-check-card .plate {
  margin: 0 0 14px;
}

.page-products .pd-check-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step1);
  line-height: 1.3;
  color: var(--paper);
}

.page-products .pd-check-card--paper h3 {
  color: #14140F;
}

.page-products .pd-check-card p {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.84);
}

.page-products .pd-check-card--paper p {
  color: #3A3A34;
}

.page-products .pd-check-card .btn {
  margin-top: 2px;
}

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

.page-products .pd-check-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  font-size: 16px;
  line-height: 1.75;
  color: #3A3A34;
}

.page-products .pd-check-list .mono {
  color: var(--gold-deep);
  font-size: 15px;
}

.page-products .pd-status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-status-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 12px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(244, 240, 230, 0.84);
}

.page-products .pd-status {
  display: inline-block;
  padding: 3px 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  border-radius: 2px;
  white-space: nowrap;
}

.page-products .pd-status--live {
  background: rgba(201, 162, 39, 0.18);
  border: 1px solid var(--gold);
  color: var(--gold-light);
}

.page-products .pd-status--maint {
  background: rgba(110, 124, 134, 0.18);
  border: 1px solid var(--steel);
  color: #C6D2DA;
}

.page-products .pd-status--arch {
  background: rgba(142, 43, 51, 0.22);
  border: 1px solid var(--crimson);
  color: #E3AEB3;
}

/* ---------- 06 安装排查（浅色段） ---------- */
.page-products .pd-trouble {
  padding: clamp(52px, 8vw, 104px) 0;
  background: var(--cream);
  color: var(--ink);
}

.page-products .pd-trouble .chapter-head {
  border-bottom-color: rgba(140, 109, 31, 0.32);
}

.page-products .pd-trouble .chapter-num { color: var(--gold-deep); opacity: 1; }
.page-products .pd-trouble .chapter-kicker { color: var(--gold-deep); }
.page-products .pd-trouble .chapter-title { color: #14140F; }
.page-products .pd-trouble .chapter-lead { color: #33332E; }

.page-products .pd-trouble-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(140, 109, 31, 0.28);
  border: 1px solid rgba(140, 109, 31, 0.28);
  margin-bottom: 32px;
}

.page-products .pd-trouble-item {
  background: var(--paper);
  padding: 24px 20px 26px;
}

.page-products .pd-trouble-idx {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--crimson);
}

.page-products .pd-trouble-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step1);
  line-height: 1.3;
  color: #14140F;
}

.page-products .pd-trouble-item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #3A3A34;
}

.page-products .pd-trouble-foot {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #3A3A34;
}

.page-products .pd-trouble-foot a {
  color: #14140F;
  text-decoration: underline;
  text-decoration-color: var(--gold-deep);
  text-underline-offset: 3px;
}

.page-products .pd-trouble-foot a:hover {
  color: var(--gold-deep);
}

/* ---------- 07 更新节奏 ---------- */
.page-products .pd-rhythm {
  padding: clamp(52px, 8vw, 104px) 0;
  background: var(--ink);
}

.page-products .pd-rhythm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(201, 162, 39, 0.24);
  border: 1px solid rgba(201, 162, 39, 0.24);
  margin-bottom: 48px;
}

.page-products .pd-rhythm-card {
  background: var(--charcoal);
  padding: 26px 22px 28px;
}

.page-products .pd-rhythm-card--accent {
  background: #1F1F24;
  box-shadow: inset 3px 0 0 0 var(--gold);
}

.page-products .pd-rhythm-tag {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .pd-rhythm-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step1);
  line-height: 1.3;
  color: var(--paper);
}

.page-products .pd-rhythm-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.84);
}

.page-products .pd-version-rule {
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: 2px;
  padding: 28px 22px 30px;
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.07), rgba(201, 162, 39, 0.01));
}

.page-products .pd-rule-title {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step2);
  line-height: 1.25;
  color: var(--paper);
}

.page-products .pd-rule-sample {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 6px 10px;
  margin-bottom: 30px;
}

.page-products .pd-rule-part {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  border: 1px solid rgba(201, 162, 39, 0.34);
  border-radius: 2px;
  background: rgba(14, 14, 16, 0.72);
}

.page-products .pd-rule-part b {
  font-size: clamp(30px, 6vw, 41px);
  line-height: 1;
  color: var(--gold);
  font-weight: 500;
}

.page-products .pd-rule-part i {
  font-style: normal;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-products .pd-rule-dot {
  font-size: clamp(30px, 6vw, 41px);
  line-height: 1;
  color: var(--gold-deep);
  padding-bottom: 22px;
}

.page-products .pd-rule-desc {
  margin: 0 0 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid rgba(201, 162, 39, 0.2);
}

.page-products .pd-rule-desc dt {
  margin: 0 0 4px;
  font-size: 15px;
  color: var(--gold-light);
}

.page-products .pd-rule-desc dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.84);
}

.page-products .pd-rule-note {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.84);
}

.page-products .pd-rule-note a {
  color: var(--gold-light);
  text-decoration: underline;
  text-decoration-color: var(--gold-deep);
  text-underline-offset: 3px;
}

.page-products .pd-rule-note a:hover {
  color: var(--gold);
}

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

  .page-products .pd-cond-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pd-trouble-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pd-rhythm-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pd-rule-desc {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pd-lines-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pd-item-row {
    grid-template-columns: minmax(120px, auto) 1fr auto auto auto;
    gap: 12px 18px;
  }

  .page-products .pd-item-ver {
    grid-column: auto;
    font-size: var(--step2);
  }

  .page-products .pd-item-q {
    grid-column: auto;
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero-inner {
    flex-direction: row;
    align-items: stretch;
    gap: 56px;
  }

  .page-products .pd-hero-copy {
    flex: 1 1 auto;
  }

  .page-products .pd-hero-bands {
    flex: 0 0 300px;
    min-height: 360px;
  }

  .page-products .pd-install-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .pd-vault-head {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }

  .page-products .pd-vault-plate {
    justify-self: end;
  }

  .page-products .pd-vault-plate img {
    width: 132px;
    height: 132px;
  }

  .page-products .pd-check-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-products .pd-trouble-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1080px) {
  .page-products .pd-lines-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 420px) {
  .page-products .pd-chip {
    padding: 7px 11px;
    font-size: 14px;
  }

  .page-products .pd-item-row {
    grid-template-columns: 1fr;
  }

  .page-products .pd-item-row .tag-label,
  .page-products .pd-item .copy-btn {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-line,
  .page-products .pd-chip,
  .page-products .pd-item,
  .page-products .pd-item-more {
    transition: none;
  }
}