.page-products {
  --pf-rail: 116px;
  --pf-sec-gap: clamp(56px, 7vw, 100px);
  --pf-hair: 1px solid rgba(90, 107, 120, 0.3);
  display: block;
  overflow-x: clip;
  background: var(--paper-100);
  color: var(--ink-900);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-products .pf-hero,
.page-products .pf-sec,
.page-products .pf-cta {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 56px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-500);
}

.page-products .breadcrumb__item a {
  color: var(--slate-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .breadcrumb__item a:hover {
  color: var(--celadon-500);
  border-bottom-color: var(--celadon-500);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(22px, 4vw, 42px);
}

.page-products .pf-hero__lead h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 5.2vw, 3.7rem);
  line-height: 1.14;
  letter-spacing: -0.012em;
  margin: 14px 0 0;
  max-width: 20ch;
}

.page-products .pf-hero__lead .lede {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 44ch;
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  line-height: 1.85;
  color: var(--ink-700);
}

.page-products .pf-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pf-hero__acts .btn {
  text-decoration: none;
}

.page-products .pf-hero__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 32px);
  background: linear-gradient(155deg, var(--ink-700) 0%, var(--ink-900) 72%);
  border-left: 4px solid var(--gold-400);
  color: var(--paper-50);
}

.page-products .pf-hero__panel::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 127, 118, 0.6), rgba(47, 127, 118, 0) 68%);
  pointer-events: none;
}

.page-products .pf-hero__panel-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--celadon-200);
  margin: 0;
}

.page-products .pf-hero__ver {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(2.6rem, 7vw, 3.8rem);
  line-height: 1;
  color: var(--gold-400);
  margin: 10px 0 20px;
  letter-spacing: -0.02em;
}

.page-products .pf-hero__meta {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(191, 220, 214, 0.28);
}

.page-products .pf-hero__meta li {
  padding: 11px 0;
  border-bottom: 1px solid rgba(191, 220, 214, 0.18);
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(251, 249, 244, 0.86);
}

.page-products .pf-hero__meta li:last-child {
  border-bottom: 0;
}

.page-products .pf-hero__meta .mono {
  color: var(--paper-50);
  font-weight: 500;
  margin-right: 4px;
}

.page-products .pf-hero__figure {
  margin: clamp(28px, 4vw, 52px) 0 0;
  border: var(--edge);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(120deg, var(--ink-700), var(--celadon-500));
}

.page-products .pf-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 章节骨架 ---------- */
.page-products .pf-sec {
  display: grid;
  gap: 10px;
  margin-top: var(--pf-sec-gap);
}

.page-products .pf-sec__rail {
  display: flex;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: var(--edge);
}

.page-products .pf-sec__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--celadon-500);
}

.page-products .pf-h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  line-height: 1.26;
  letter-spacing: -0.006em;
  margin: 0 0 16px;
}

.page-products .pf-h2::before {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  margin-bottom: 14px;
  background: linear-gradient(90deg, var(--celadon-500), var(--gold-400));
}

.page-products .pf-sec__body > .prose {
  max-width: 68ch;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-products .pf-note {
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 16px;
  border-top: var(--pf-hair);
  font-size: 0.94rem;
  color: var(--slate-500);
}

.page-products .pf-note a {
  color: var(--celadon-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 127, 118, 0.4);
}

.page-products .pf-note a:hover {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

.page-products .pf-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border: var(--edge);
  background: var(--paper-50);
}

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

.page-products .pf-figure .media__caption {
  padding: 10px 14px;
  border-top: var(--pf-hair);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--slate-500);
}

/* ---------- 目录总览 ---------- */
.page-products .pf-index {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.page-products .pf-index__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "name go"
    "desc go";
  gap: 4px 18px;
  align-items: center;
  padding: 18px 6px 18px 10px;
  border-bottom: var(--pf-hair);
  box-shadow: inset 3px 0 0 transparent;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.22s ease, background-color 0.22s ease, transform 0.22s ease;
}

.page-products .pf-index__link:hover,
.page-products .pf-index__link:focus-visible {
  box-shadow: inset 3px 0 0 var(--gold-400);
  background-color: var(--paper-50);
  transform: translateX(4px);
}

.page-products .pf-index__name {
  grid-area: name;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
}

.page-products .pf-index__desc {
  grid-area: desc;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--slate-500);
}

.page-products .pf-index__go {
  grid-area: go;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--celadon-500);
}

/* ---------- 步骤 ---------- */
.page-products .pf-steps {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 2px solid var(--ink-900);
}

.page-products .pf-step {
  border-bottom: var(--pf-hair);
  border-left: 3px solid transparent;
  transition: border-color 0.22s ease, background-color 0.22s ease;
}

.page-products .pf-step[open] {
  border-left-color: var(--celadon-500);
  background: var(--paper-50);
}

.page-products .pf-step__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 16px 16px 13px;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

.page-products .pf-step__head::-webkit-details-marker {
  display: none;
}

.page-products .pf-step__head:hover .pf-step__title {
  color: var(--celadon-500);
}

.page-products .pf-step__head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--celadon-500);
}

.page-products .pf-step[open] .pf-step__head::after {
  content: "−";
}

.page-products .pf-step__no {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  min-width: 48px;
  padding: 4px 8px;
  text-align: center;
  color: var(--ink-900);
  background: var(--celadon-200);
  border: 2px solid var(--ink-900);
}

.page-products .pf-step__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1rem, 1.6vw, 1.14rem);
  letter-spacing: 0.01em;
}

.page-products .pf-step__body {
  padding: 0 16px 24px clamp(16px, 5vw, 74px);
  max-width: 64ch;
}

.page-products .pf-step__time {
  display: inline-block;
  margin: 0 0 10px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-700);
  background: rgba(217, 161, 59, 0.2);
  border-left: 3px solid var(--gold-400);
}

.page-products .pf-step__body > p {
  margin: 0 0 12px;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-products .pf-step__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: var(--pf-hair);
}

.page-products .pf-step__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 9px 0;
  border-bottom: var(--pf-hair);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--slate-500);
}

.page-products .pf-step__list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--celadon-500);
  min-width: 42px;
}

/* ---------- 版本记录 ---------- */
.page-products .pf-versions {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 2px solid var(--ink-900);
}

.page-products .pf-ver-row {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: var(--pf-hair);
}

.page-products .pf-ver-row h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
}

.page-products .pf-ver-row p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--slate-500);
}

.page-products .pf-vchip {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  border-radius: 999px;
  white-space: nowrap;
}

.page-products .pf-vchip--major {
  background: var(--celadon-500);
  color: #ffffff;
}

.page-products .pf-vchip--minor {
  background: var(--gold-400);
  color: var(--ink-900);
}

.page-products .pf-vchip--patch {
  background: var(--coral-500);
  color: #ffffff;
}

/* ---------- 设备下载 ---------- */
.page-products .pf-dl {
  display: grid;
  gap: clamp(26px, 3.4vw, 42px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pf-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.page-products .pf-table caption {
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate-500);
}

.page-products .pf-table th {
  padding: 10px 14px 10px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-500);
  border-bottom: 2px solid var(--ink-900);
  white-space: nowrap;
}

.page-products .pf-table td {
  padding: 14px 14px 14px 0;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: var(--pf-hair);
  color: var(--ink-700);
}

.page-products .pf-table tbody tr {
  transition: background-color 0.2s ease;
}

.page-products .pf-table tbody tr:hover {
  background-color: var(--paper-50);
}

.page-products .pf-code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--ink-900);
  white-space: nowrap;
}

.page-products .pf-table td.mono {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--slate-500);
  white-space: nowrap;
}

.page-products .pf-dl__side {
  border-top: 4px solid var(--gold-400);
  padding-top: 16px;
}

.page-products .pf-dl__side img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: var(--edge);
  background: var(--celadon-200);
}

.page-products .pf-dl__side h3 {
  margin: 18px 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.04rem;
  line-height: 1.5;
}

.page-products .pf-dl__side p {
  margin: 0 0 12px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--slate-500);
}

/* ---------- 适用场景 ---------- */
.page-products .pf-scenes {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pf-scene {
  border-top: 3px solid var(--ink-900);
  padding-top: 16px;
}

.page-products .pf-scene__label {
  display: inline-block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--celadon-500);
}

.page-products .pf-scene h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.04rem;
  line-height: 1.5;
}

.page-products .pf-scene p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--slate-500);
}

/* ---------- 服务支持 ---------- */
.page-products .pf-support {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pf-support-card {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--paper-50);
  border: var(--edge);
  box-shadow: var(--shadow-hard);
}

.page-products .pf-support-card__label {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--paper-50);
  background: var(--ink-700);
}

.page-products .pf-support-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1rem, 1.7vw, 1.14rem);
  line-height: 1.48;
}

.page-products .pf-support-card p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--slate-500);
}

.page-products .pf-support-card a {
  color: var(--celadon-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 127, 118, 0.4);
}

.page-products .pf-support-card a:hover {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

/* ---------- 结尾 ---------- */
.page-products .pf-cta {
  margin-top: var(--pf-sec-gap);
}

.page-products .pf-cta__band {
  height: 6px;
  background: linear-gradient(90deg, var(--celadon-500) 0%, var(--gold-400) 54%, var(--coral-500) 100%);
}

.page-products .pf-cta__inner {
  padding-top: clamp(26px, 3.6vw, 40px);
  border-left: var(--edge);
  padding-left: clamp(18px, 3vw, 32px);
}

.page-products .pf-cta__inner .prose {
  max-width: 62ch;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-products .pf-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products .pf-cta__links .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pf-index__link {
    grid-template-columns: 176px minmax(0, 1fr) auto;
    grid-template-areas: "name desc go";
    align-items: center;
    padding-inline: 14px;
  }

  .page-products .pf-ver-row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(270px, 0.85fr);
    align-items: end;
  }

  .page-products .pf-sec {
    grid-template-columns: var(--pf-rail) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 46px);
    align-items: start;
  }

  .page-products .pf-sec__rail {
    position: sticky;
    top: calc(var(--topbar-h) + 22px);
    display: block;
    padding: 2px 0 2px 12px;
    border-bottom: 0;
    border-left: var(--edge);
  }
}

@media (min-width: 1000px) {
  .page-products .pf-dl {
    grid-template-columns: minmax(0, 1.75fr) minmax(250px, 0.8fr);
    align-items: start;
  }
}

@media (max-width: 560px) {
  .page-products .pf-hero__lead h1 {
    max-width: none;
  }

  .page-products .pf-step__head {
    gap: 10px;
    padding-inline: 10px 12px;
  }

  .page-products .pf-step__no {
    min-width: 42px;
    font-size: 0.98rem;
  }

  .page-products .pf-support-card {
    box-shadow: 3px 3px 0 var(--ink-900);
  }

  .page-products .pf-hero__figure {
    box-shadow: 3px 3px 0 var(--ink-900);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-index__link,
  .page-products .pf-step,
  .page-products .pf-step__head,
  .page-products .pf-table tbody tr {
    transition: none;
  }

  .page-products .pf-index__link:hover,
  .page-products .pf-index__link:focus-visible {
    transform: none;
  }
}