.page-products {
  --pr-rule: rgba(43, 76, 65, 0.65);
  --pr-soft: #B9CCC4;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  padding: clamp(24px, 4.5vw, 64px) 0 clamp(24px, 3.5vw, 44px);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(112deg, var(--ink) 0 62%, var(--ink-2) 62% 100%);
  overflow: hidden;
}

.page-products .pr-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pr-rule) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pr-rule) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.32;
  pointer-events: none;
}

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

.page-products .pr-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pr-hero-copy .breadcrumb {
  margin-bottom: 18px;
}

.page-products .pr-hero-copy .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .pr-hero-copy .breadcrumb-list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.14s ease, border-color 0.14s ease;
}

.page-products .pr-hero-copy .breadcrumb-list a:hover,
.page-products .pr-hero-copy .breadcrumb-list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-products .pr-hero-copy .breadcrumb-list li + li::before {
  content: "/ ";
  color: var(--line);
}

.page-products .pr-hero-copy .kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cyan);
  border-left: 2px solid var(--cyan);
  padding-left: 10px;
  margin: 0 0 16px;
}

.page-products .pr-hero-copy .display-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  max-width: 15em;
  color: var(--paper);
}

.page-products .pr-hero-copy .lede {
  color: var(--pr-soft);
  font-size: 16px;
  line-height: 1.9;
  max-width: 44ch;
  margin: 0 0 26px;
}

.page-products .pr-hero-copy .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 第二栏入口卡 */
.page-products .pr-anchor {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--cyan);
  padding: clamp(20px, 3vw, 28px);
  align-self: start;
}

.page-products .pr-anchor::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 34px;
  height: 34px;
  background: var(--cyan);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-products .pr-anchor-label {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ice);
}

.page-products .pr-anchor-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-products .pr-anchor-text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pr-soft);
}

.page-products .pr-anchor-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pr-anchor-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--ink-2);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--paper);
}

.page-products .pr-anchor-list .meta-num {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
}

/* 数据摘要条 */
.page-products .pr-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  padding: 0;
}

.page-products .pr-stat {
  background: var(--ink-2);
  padding: 14px 16px;
}

.page-products .pr-stat dt {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  line-height: 1.5;
}

.page-products .pr-stat dd {
  margin: 8px 0 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  color: var(--ice);
  line-height: 1.1;
}

/* ---------- 档案双栏 ---------- */
.page-products .pr-dossier {
  padding: clamp(28px, 4.5vw, 68px) 0 clamp(40px, 6vw, 96px);
}

.page-products .pr-dossier-grid {
  display: grid;
  gap: clamp(24px, 3vw, 48px);
}

.page-products .pr-index-label {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .pr-index-list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pr-index-list::-webkit-scrollbar {
  display: none;
}

.page-products .pr-index-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--pr-soft);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.14s ease, color 0.14s ease, background-color 0.14s ease;
}

.page-products .pr-index-list a:hover,
.page-products .pr-index-list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(37, 244, 208, 0.07);
}

.page-products .pr-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

.page-products .pr-index-pin {
  display: none;
  margin-top: 20px;
  border-top: 1px dashed var(--line);
  padding-top: 16px;
}

.page-products .pr-index-pin-title {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pr-index-pin-text {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pr-index-pin-link {
  font-size: 13px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.14s ease, color 0.14s ease;
}

.page-products .pr-index-pin-link:hover,
.page-products .pr-index-pin-link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-products .pr-sec {
  padding-bottom: clamp(32px, 4.5vw, 58px);
  margin-bottom: clamp(32px, 4.5vw, 58px);
  border-bottom: 1px solid var(--line);
}

.page-products .pr-sec--end {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-products .pr-sec-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-products .pr-sec .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.4vw, 2.2rem);
  line-height: 1.22;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-products .pr-sec-lede {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: 15px;
  line-height: 1.9;
  color: var(--pr-soft);
  max-width: 58ch;
}

.page-products .pr-sub-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 26px 0 12px;
  color: var(--ice);
}

/* ---------- 功能筛选 ---------- */
.page-products .pr-filter {
  position: relative;
}

.page-products .pr-fr {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pr-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .pr-filter-bar label {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 0.14s ease, color 0.14s ease, background-color 0.14s ease;
}

.page-products .pr-filter-bar label:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-products #pf-all:checked ~ .pr-filter-bar label[for="pf-all"],
.page-products #pf-entry:checked ~ .pr-filter-bar label[for="pf-entry"],
.page-products #pf-dist:checked ~ .pr-filter-bar label[for="pf-dist"],
.page-products #pf-round:checked ~ .pr-filter-bar label[for="pf-round"],
.page-products #pf-save:checked ~ .pr-filter-bar label[for="pf-save"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-products #pf-all:focus-visible ~ .pr-filter-bar label[for="pf-all"],
.page-products #pf-entry:focus-visible ~ .pr-filter-bar label[for="pf-entry"],
.page-products #pf-dist:focus-visible ~ .pr-filter-bar label[for="pf-dist"],
.page-products #pf-round:focus-visible ~ .pr-filter-bar label[for="pf-round"],
.page-products #pf-save:focus-visible ~ .pr-filter-bar label[for="pf-save"] {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-products .pr-cards {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products #pf-entry:checked ~ .pr-cards > .pr-card:not([data-cat="entry"]),
.page-products #pf-dist:checked ~ .pr-cards > .pr-card:not([data-cat="dist"]),
.page-products #pf-round:checked ~ .pr-cards > .pr-card:not([data-cat="round"]),
.page-products #pf-save:checked ~ .pr-cards > .pr-card:not([data-cat="save"]) {
  display: none;
}

.page-products .pr-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--ink-2);
  padding: clamp(16px, 2.4vw, 26px);
  transition: background-color 0.16s ease, box-shadow 0.16s ease;
}

.page-products .pr-card:hover,
.page-products .pr-card:focus-within {
  background: var(--panel);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-products .pr-card-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .pr-card-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange-soft);
}

.page-products .pr-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
  color: var(--paper);
}

.page-products .pr-card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pr-soft);
}

.page-products .pr-card-meta {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 图文错位 ---------- */
.page-products .pr-split {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .pr-figure--phone .media {
  aspect-ratio: 9 / 16;
  max-width: 300px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-products .media-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-products .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

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

/* ---------- 步骤 ---------- */
.page-products .pr-steps {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pr-steps li {
  display: flex;
  gap: 14px;
  background: var(--ink-2);
  padding: 16px 18px;
  align-items: flex-start;
}

.page-products .pr-step-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 3px 7px;
  line-height: 1.2;
}

.page-products .pr-step-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pr-step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pr-soft);
}

/* ---------- 字段 ---------- */
.page-products .pr-fields {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-fields li {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  background: var(--ink-2);
}

.page-products .pr-field-key {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ice);
}

.page-products .pr-field-val {
  font-size: 14px;
  line-height: 1.8;
  color: var(--pr-soft);
}

.page-products .pr-legend-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  border-left: 1px dashed var(--line);
  padding-left: 12px;
}

/* ---------- 手风琴 ---------- */
.page-products .pr-acc {
  border: 1px solid var(--line);
  background: var(--ink-2);
  margin-bottom: 8px;
}

.page-products .pr-acc summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color 0.14s ease, background-color 0.14s ease;
}

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

.page-products .pr-acc summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 15px;
  line-height: 1;
}

.page-products .pr-acc[open] summary::before {
  content: "−";
}

.page-products .pr-acc summary:hover,
.page-products .pr-acc summary:focus-visible {
  color: var(--cyan);
  background: var(--panel);
}

.page-products .pr-acc-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
}

.page-products .pr-acc-body p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--pr-soft);
}

/* ---------- 双方法卡 ---------- */
.page-products .pr-duo {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 18px;
}

.page-products .pr-duo-card {
  background: var(--ink-2);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-products .pr-duo-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pr-duo-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pr-soft);
}

.page-products .pr-duo-note {
  margin-top: 10px !important;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px !important;
  color: var(--muted) !important;
}

.page-products .pr-callout {
  margin: 0;
  padding: 16px 18px;
  background: var(--panel);
  border-left: 3px solid var(--orange);
  font-size: 14px;
  line-height: 1.9;
  color: var(--paper);
}

/* ---------- 时间轴 ---------- */
.page-products .pr-timeline {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
  margin: 0 0 18px;
  padding-left: 18px;
}

.page-products .pr-round {
  position: relative;
  padding: 0 0 20px;
}

.page-products .pr-round::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
}

.page-products .pr-round-day {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-products .pr-round-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: 14px 16px;
}

.page-products .pr-round-body p {
  margin: 0;
  flex: 1 1 240px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pr-soft);
}

/* ---------- 兼容卡 ---------- */
.page-products .pr-compat {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .pr-compat-item {
  background: var(--ink-2);
  padding: clamp(16px, 2.4vw, 24px);
  border-top: 2px solid var(--line);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.page-products .pr-compat-item:hover {
  border-top-color: var(--cyan);
  background: var(--panel);
}

.page-products .pr-compat-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ice);
}

.page-products .pr-compat-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pr-soft);
}

/* ---------- 收束 ---------- */
.page-products .pr-end {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, var(--ink-2) 0 64%, var(--panel) 64% 100%);
}

.page-products .pr-end-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-products .pr-end-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--pr-soft);
  max-width: 46ch;
}

.page-products .pr-end .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .pr-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-products .pr-hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-products .pr-split {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
    align-items: start;
  }

  .page-products .pr-figure--phone .media {
    max-width: none;
    margin: 0;
  }

  .page-products .pr-end {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

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

  .page-products .pr-steps--three li {
    flex-direction: column;
    gap: 10px;
  }
}

@media (min-width: 980px) {
  .page-products .pr-dossier-grid {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pr-index {
    position: sticky;
    top: calc(var(--header-h) + var(--quick-h) + 20px);
    align-self: start;
  }

  .page-products .pr-index-list {
    display: grid;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pr-index-list a {
    display: flex;
    white-space: normal;
  }

  .page-products .pr-index-pin {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-card,
  .page-products .pr-acc summary,
  .page-products .pr-index-list a,
  .page-products .pr-compat-item,
  .page-products .pr-filter-bar label {
    transition: none;
  }
}
<<<END>>>