.page-products {
  --pf-radius: var(--r-lg);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* 页头 */
.page-products .pf-head {
  padding: clamp(1.5rem, 5vw, 3rem) 0 clamp(1.25rem, 3vw, 2rem);
}
.page-products .pf-eyebrow {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--amber-deep);
}
.page-products .pf-head__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}
.page-products .pf-title {
  margin: 0;
  font-size: clamp(2rem, 8.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-products .pf-lede {
  max-width: 44ch;
  margin: 0 0 1.5rem;
  font-size: clamp(1rem, 2.4vw, 1.125rem);
  line-height: 1.85;
  color: var(--ink);
}
.page-products .pf-anchors {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .pf-anchor {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.7rem 0.25rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.page-products .pf-anchor .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--amber-deep);
}
.page-products .pf-anchor:hover,
.page-products .pf-anchor:focus-visible {
  color: var(--amber-deep);
  border-color: var(--amber);
}

/* 三组导览 */
.page-products .pf-guide {
  margin-top: clamp(1rem, 3vw, 2rem);
}
.page-products .pf-guide__card {
  padding: clamp(1.25rem, 3.5vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.page-products .pf-guide__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-products .pf-guide__text {
  max-width: 62ch;
  margin: 0 0 1.75rem;
  line-height: 1.85;
  color: var(--ink);
}
.page-products .pf-guide__grid {
  display: grid;
  gap: 1rem;
}
.page-products .pf-guide__item {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--silver);
}
.page-products .pf-guide__item .num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--amber-deep);
}
.page-products .pf-guide__item h3 {
  margin: 0.45rem 0 0.4rem;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--ink);
}
.page-products .pf-guide__item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--muted);
}
.page-products .pf-guide__rule {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
  margin: 1.5rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line);
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink);
}

/* 章节通用 */
.page-products .pf-section {
  padding-top: clamp(2.5rem, 7vw, 4.5rem);
}

/* 版本说明大卡 */
.page-products .pf-spotlight {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--silver);
}
.page-products .pf-spotlight__lead {
  margin: 0 0 1.25rem;
  line-height: 1.85;
  color: var(--ink);
}
.page-products .pf-compare {
  display: grid;
  gap: 0.9rem;
}
.page-products .pf-compare__row {
  padding: 0.95rem 1.05rem;
  border-left: 3px solid var(--line);
  border-radius: var(--r-md);
  background: var(--mist);
}
.page-products .pf-compare__key {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--amber-deep);
}
.page-products .pf-compare__old,
.page-products .pf-compare__new {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
}
.page-products .pf-compare__old {
  color: var(--muted);
}
.page-products .pf-compare__new {
  margin-top: 0.35rem;
  padding-left: 0.9rem;
  border-left: 3px solid var(--amber);
  color: var(--ink);
  font-weight: 600;
}
.page-products .pf-spotlight__fig {
  margin: 0;
}
.page-products .pf-spotlight__fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

/* 资料清单 */
.page-products .pf-download-card {
  padding: clamp(1.1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--silver);
}
.page-products .pf-progress-fig {
  margin: 0;
}
.page-products .pf-progress-fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}
.page-products .pf-thread {
  height: 3px;
  margin: 1.25rem 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal) 0%, var(--amber) 100%);
  transform-origin: left center;
}
.page-products .pf-filter {
  margin-bottom: 1rem;
}
.page-products .pf-hint {
  margin: 0 0 1rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--muted);
}
.page-products .pf-checklist {
  display: flex;
  flex-direction: column;
  counter-reset: pf-check;
  border-top: 1px solid var(--line);
}
.page-products .pf-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.85rem;
  padding: 0.9rem 0.2rem;
  border-bottom: 1px solid var(--line);
  transition: background 180ms var(--ease);
}
.page-products .pf-row:hover {
  background: rgba(232, 128, 31, 0.06);
}
.page-products .pf-row__main {
  flex: 1 1 14rem;
  min-width: 0;
}
.page-products .pf-row__name {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}
.page-products .pf-row__meta {
  margin: 0.2rem 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
}
.page-products .pf-row__ver {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber-deep);
}
.page-products .pf-row__state {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--teal);
}
.page-products .pf-row:has(.pf-check__box:checked) .pf-row__state::after {
  content: "已核对";
}
.page-products .pf-row:has(.pf-check__box:checked) {
  background: rgba(14, 143, 143, 0.05);
}

.page-products .pf-check {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  cursor: pointer;
}
.page-products .pf-check__box {
  -webkit-appearance: none;
  appearance: none;
  display: inline-block;
  position: relative;
  width: 20px;
  height: 20px;
  margin: 0;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  background: #fff;
  cursor: pointer;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}
.page-products .pf-check__box:hover {
  border-color: var(--amber);
}
.page-products .pf-check__box:checked {
  border-color: var(--amber);
  background: var(--amber);
  counter-increment: pf-check;
}
.page-products .pf-check__box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: 2px solid #fff;
  border-top: 0;
  border-left: 0;
  transform: rotate(45deg);
}
.page-products .pf-check__box:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
.page-products .pf-check__ui {
  display: none;
}
.page-products .pf-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.page-products .pf-tally {
  order: -1;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.4rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--r-sm);
  background: rgba(14, 143, 143, 0.08);
  font-size: 0.86rem;
  color: var(--ink);
}
.page-products .pf-tally::after {
  content: counter(pf-check) " / 18 项";
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber-deep);
}

/* 反馈入口 */
.page-products .pf-device {
  margin-bottom: 1.5rem;
}
.page-products .pf-feedback {
  display: grid;
  gap: 1.25rem;
}
.page-products .pf-fb {
  display: flex;
  flex-direction: column;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--silver);
}
.page-products .pf-fb__fig {
  margin: 0 0 1rem;
}
.page-products .pf-fb__fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}
.page-products .pf-fb__badge {
  align-self: flex-start;
  margin: 0 0 0.8rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(232, 128, 31, 0.16);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--deep);
}
.page-products .pf-fb__list {
  margin: 0.6rem 0 1rem;
  padding-left: 1.1rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--muted);
}
.page-products .pf-fb__list li {
  margin-bottom: 0.3rem;
}
.page-products .pf-fb .card__meta {
  margin: 0 0 0.9rem;
}
.page-products .pf-fb .link-arrow {
  margin-top: auto;
}

/* 分隔图 */
.page-products .pf-divider {
  margin: clamp(2.5rem, 7vw, 4.5rem) auto 0;
}
.page-products .pf-divider img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

/* 常见疑问 */
.page-products .pf-faq {
  border-top: 1px solid var(--line);
}
.page-products .pf-faq .accordion-item {
  border-bottom: 1px solid var(--line);
}
.page-products .pf-faq .accordion-item__trigger {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  width: 100%;
  padding: 1.1rem 0.2rem;
  border: 0;
  background: none;
  font-family: inherit;
  font-size: 1.06rem;
  font-weight: 700;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
  transition: color 180ms var(--ease);
}
.page-products .pf-faq .accordion-item__trigger:hover {
  color: var(--amber-deep);
}
.page-products .pf-faq .accordion-item__trigger .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--amber-deep);
}
.page-products .pf-faq .accordion-item__panel {
  padding: 0 0.2rem 1.2rem 2rem;
}
.page-products .pf-faq .accordion-item__panel p {
  margin: 0;
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pf-faq .accordion-item__panel a {
  color: var(--amber-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 结尾导流 */
.page-products .pf-cta {
  padding-top: clamp(2.5rem, 7vw, 4.5rem);
}
.page-products .pf-cta__grid {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border-radius: var(--r-lg);
  background: var(--deep);
  color: var(--silver);
}
.page-products .pf-cta__title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.45rem, 3.6vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
}
.page-products .pf-cta__text {
  margin: 0;
  line-height: 1.8;
  color: rgba(248, 250, 252, 0.78);
}
.page-products .pf-cta__links {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .pf-cta__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(248, 250, 252, 0.22);
  border-radius: var(--r-md);
  color: var(--silver);
  text-decoration: none;
  font-weight: 600;
  transition: border-color 200ms var(--ease), background 200ms var(--ease), transform 200ms var(--ease);
}
.page-products .pf-cta__links a::after {
  content: "→";
  color: var(--amber);
}
.page-products .pf-cta__links a:hover,
.page-products .pf-cta__links a:focus-visible {
  border-color: var(--amber);
  background: rgba(232, 128, 31, 0.14);
  transform: translateY(-2px);
}
.page-products .pf-cta__note {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--muted);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-products .pf-guide__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .pf-feedback {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pf-cta__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-products .pf-head__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.95fr);
    align-items: end;
  }
  .page-products .pf-spotlight {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-products .pf-row {
    flex-wrap: nowrap;
  }
}
<<<END>>>