.page-products {
  --pf-gap: clamp(72px, 8vw, 128px);
  --pf-pad: clamp(20px, 2.6vw, 32px);
  padding-top: clamp(12px, 2vw, 24px);
  padding-bottom: clamp(64px, 8vw, 110px);
}

.page-products .breadcrumbs {
  margin-bottom: clamp(16px, 2.4vw, 30px);
}

/* ---------- 首屏框景 ---------- */
.page-products .pf-hero__frame {
  position: relative;
  padding: clamp(24px, 4vw, 56px);
  border: var(--line-w) solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(34, 55, 77, .45) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(180deg, rgba(34, 55, 77, .45) 0 1px, transparent 1px 88px),
    linear-gradient(155deg, var(--panel-soft) 0%, var(--ink) 72%);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-products .pf-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 132px;
  height: 10px;
  background: repeating-linear-gradient(90deg, var(--cyan) 0 2px, transparent 2px 12px);
  opacity: .85;
}

.page-products .pf-hero__title {
  margin: clamp(10px, 1.6vw, 20px) 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 4.2rem);
  line-height: 1.07;
  letter-spacing: -.022em;
  color: var(--text);
}

.page-products .pf-hero__lede {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pf-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 2.4vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-hero__note {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 通用章节间距 ---------- */
.page-products .pf-panels,
.page-products .pf-desk,
.page-products .pf-roles,
.page-products .pf-next {
  margin-top: var(--pf-gap);
}

/* ---------- 四块能力面板 ---------- */
.page-products .pf-overview {
  margin-top: clamp(22px, 3vw, 36px);
}

.page-products .pf-panels__grid {
  margin-top: var(--line-w);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--line-w);
  background: var(--line);
  border: var(--line-w) solid var(--line);
}

.page-products .pf-panel {
  padding: var(--pf-pad);
  background: var(--ink);
  border-left: 4px solid var(--cyan);
}

.page-products .pf-panel__no {
  display: block;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .pf-panel__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

.page-products .pf-panel__desc {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 标签工作区 ---------- */
.page-products .pf-tabs {
  margin-top: clamp(22px, 3vw, 36px);
  border: var(--line-w) solid var(--line);
  background: var(--panel-soft);
}

.page-products .pf-tablist {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: var(--line-w) solid var(--line);
  background: var(--ink);
}

.page-products .pf-tablist::-webkit-scrollbar {
  display: none;
}

.page-products .pf-tab {
  flex: 1 0 auto;
  min-width: 142px;
  padding: 16px 18px;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pf-tab:last-child {
  border-right: 0;
}

.page-products .pf-tab:hover {
  color: var(--text);
  background: rgba(43, 227, 198, .06);
}

.page-products .pf-tab[aria-selected="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: rgba(43, 227, 198, .08);
}

.page-products .pf-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .pf-panelbody {
  padding: 0;
}

.page-products .pf-body {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding: var(--pf-pad);
}

.page-products .pf-body__title {
  margin: 0 0 18px;
  padding-left: 16px;
  border-left: 3px solid var(--violet);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-products .pf-body__text {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 对照表 ---------- */
.page-products .pf-tablewrap {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.page-products .pf-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: .9375rem;
  background: var(--ink-deep);
}

.page-products .pf-table caption {
  caption-side: top;
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--cyan);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.page-products .pf-table thead th {
  padding: 12px 14px;
  background: var(--panel);
  border-bottom: var(--line-w) solid var(--line);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-align: left;
  color: var(--muted);
}

.page-products .pf-table tbody th {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
  color: var(--text);
}

.page-products .pf-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pf-table tbody tr:nth-child(even) {
  background: rgba(34, 55, 77, .3);
}

.page-products .pf-table tbody tr:hover {
  background: rgba(43, 227, 198, .07);
}

.page-products .pf-table tbody tr:last-child th,
.page-products .pf-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 导出四步 ---------- */
.page-products .pf-steps {
  margin-top: 24px;
  display: grid;
  gap: 0;
}

.page-products .pf-step {
  border: var(--line-w) solid var(--line);
  border-top: 0;
  background: var(--panel);
}

.page-products .pf-step:first-child {
  border-top: var(--line-w) solid var(--line);
}

.page-products .pf-step[open] {
  background: var(--ink-deep);
}

.page-products .pf-step__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: .9375rem;
  font-weight: 700;
  color: var(--text);
  transition: color .2s var(--ease);
}

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

.page-products .pf-step__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan);
}

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

.page-products .pf-step__head:hover,
.page-products .pf-step__head:focus-visible {
  color: var(--cyan);
}

.page-products .pf-step__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .pf-step__num {
  flex: 0 0 auto;
  padding: 2px 8px;
  background: var(--amber);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-products .pf-step__body {
  padding: 0 16px 18px;
  border-top: 1px solid var(--line);
}

.page-products .pf-step__body p {
  margin: 14px 0 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 收藏清单 ---------- */
.page-products .pf-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-list li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-top: 1px solid var(--line);
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pf-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-products .pf-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .pf-list strong {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--text);
}

/* ---------- 连播队列 ---------- */
.page-products .pf-queue {
  margin-top: 24px;
  padding: 16px 18px 8px;
  border: var(--line-w) solid var(--line);
  background: var(--ink-deep);
}

.page-products .pf-queue__cap {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-products .pf-queue__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 0 14px;
  border-top: 1px solid var(--line);
}

.page-products .pf-queue__no {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  color: var(--muted);
}

.page-products .pf-queue__name {
  font-size: .875rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-products .pf-queue__state {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .pf-queue__track {
  grid-column: 1 / -1;
  display: block;
  height: 4px;
  background: var(--line);
  overflow: hidden;
}

.page-products .pf-queue__fill {
  display: block;
  height: 100%;
}

.page-products .pf-queue__fill--done {
  width: 100%;
  background: var(--cyan);
}

.page-products .pf-queue__fill--preload {
  width: 22%;
  background: var(--violet);
  transition: width .4s var(--ease);
}

/* ---------- 角色路径 ---------- */
.page-products .pf-roles__grid {
  margin-top: clamp(22px, 3vw, 36px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--line-w);
  background: var(--line);
  border: var(--line-w) solid var(--line);
}

.page-products .pf-role {
  padding: var(--pf-pad);
  background: var(--ink);
}

.page-products .pf-role__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-products .pf-role h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-products .pf-role__lede {
  margin: 0 0 18px;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pf-role__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: rstep;
  display: grid;
  gap: 10px;
}

.page-products .pf-role__steps li {
  position: relative;
  padding-left: 30px;
  counter-increment: rstep;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--text);
}

.page-products .pf-role__steps li::before {
  content: counter(rstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  color: var(--amber);
}

/* ---------- 下一站 ---------- */
.page-products .pf-next__grid {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--line-w);
  background: var(--line);
  border: var(--line-w) solid var(--line);
}

.page-products .pf-next__card {
  display: block;
  padding: 20px 18px 22px;
  background: var(--panel);
  color: inherit;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pf-next__card:hover {
  background: var(--ink-deep);
  border-left-color: var(--cyan);
}

.page-products .pf-next__card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .pf-next__coord {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .pf-next__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.page-products .pf-next__desc {
  display: block;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pf-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .pf-panels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pf-roles__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .pf-body {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
  }

  .page-products .pf-body__media {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1024px) {
  .page-products .pf-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pf-panels__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-products .pf-hero__frame {
    box-shadow: 4px 4px 0 var(--line);
  }

  .page-products .pf-tab {
    min-width: 126px;
    padding: 14px 14px;
    font-size: .75rem;
  }

  .page-products .pf-table {
    min-width: 420px;
  }

  .page-products .pf-queue__item {
    grid-template-columns: 22px minmax(0, 1fr);
  }

  .page-products .pf-queue__state {
    grid-column: 2 / 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-tab,
  .page-products .pf-step__head,
  .page-products .pf-next__card,
  .page-products .pf-queue__fill--preload {
    transition: none;
  }
}