.page-products {
  --pk-max: 68ch;
  background: var(--paper-100);
  color: var(--ink-900);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products p {
  margin: 0 0 1rem;
}

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

/* ---------- 章节底板 ---------- */
.page-products .pk-band {
  padding: clamp(2.8rem, 7vw, 5.5rem) 0;
  position: relative;
}

.page-products .pk-band--paper {
  background: var(--paper-100);
}

.page-products .pk-band--soft {
  background: var(--paper-050);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pk-band--mid {
  background: var(--indigo-800);
  color: var(--on-dark);
}

.page-products .pk-band--deep {
  background: var(--indigo-950);
  color: var(--on-dark);
}

/* ---------- 面包屑 ---------- */
.page-products .pk-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--on-dark-muted);
  padding-top: clamp(1.4rem, 4vw, 2.4rem);
}

.page-products .pk-crumbs__link {
  color: var(--sand-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-2), color var(--dur-2);
}

.page-products .pk-crumbs__link:hover {
  color: #fff;
  border-bottom-color: var(--cyan-400);
}

.page-products .pk-crumbs__sep {
  color: var(--slate-400);
}

.page-products .pk-crumbs__now {
  color: var(--on-dark);
}

/* ---------- 首屏 ---------- */
.page-products .pk-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(47, 212, 198, .16) 0%, rgba(11, 18, 48, 0) 62%),
    linear-gradient(180deg, var(--indigo-950) 0%, var(--indigo-800) 100%);
  color: var(--on-dark);
}

.page-products .pk-hero__deco {
  position: absolute;
  inset: auto -18% -38% 24%;
  height: 78%;
  transform: skewY(-7deg);
  background: linear-gradient(115deg, rgba(200, 162, 74, .20), rgba(36, 53, 111, .05) 65%);
  border-top: 1px solid rgba(200, 162, 74, .35);
  pointer-events: none;
}

.page-products .pk-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  padding: clamp(2rem, 6vw, 3.4rem) 0 clamp(2rem, 5vw, 3rem);
}

.page-products .pk-eyebrow {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .24em;
  color: var(--sand-500);
  margin: 0 0 .7rem;
}

.page-products .pk-title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(1.9rem, 6.4vw, 3.3rem);
  line-height: 1.16;
  color: #fff;
  margin: 0 0 1rem;
  max-width: 18ch;
}

.page-products .pk-lede {
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.95;
  color: var(--on-dark);
  max-width: 46ch;
  margin: 0;
}

.page-products .pk-lede--dark {
  color: var(--on-dark);
}

/* 快捷入口 */
.page-products .pk-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}

.page-products .pk-quick__item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: .9rem .2rem;
  border-bottom: 1px solid var(--line-dark);
  color: var(--on-dark);
  text-decoration: none;
  transition: background var(--dur-2), color var(--dur-2), padding-left var(--dur-2);
}

.page-products .pk-quick__item:hover {
  background: rgba(47, 212, 198, .08);
  color: #fff;
  padding-left: .6rem;
}

.page-products .pk-quick__k {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--sand-500);
  flex: none;
}

.page-products .pk-quick__v {
  font-size: .95rem;
  line-height: 1.6;
}

/* 统计条 */
.page-products .pk-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  margin: clamp(1rem, 3vw, 1.8rem) 0 clamp(1.6rem, 4vw, 2.6rem);
}

.page-products .pk-stat {
  background: rgba(11, 18, 48, .78);
  padding: 1rem 1.1rem 1.1rem;
}

.page-products .pk-stat__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  line-height: 1.2;
  color: var(--sand-500);
  font-variant-numeric: tabular-nums;
  margin: 0 0 .25rem;
}

.page-products .pk-stat__label {
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--on-dark-muted);
  margin: 0;
}

/* ---------- 章节头 ---------- */
.page-products .pk-chapter {
  display: flex;
  align-items: center;
  gap: .8rem;
  border-top: 1px solid var(--line-strong);
  padding-top: .7rem;
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
}

.page-products .pk-band--mid .pk-chapter,
.page-products .pk-band--deep .pk-chapter {
  border-top-color: var(--line-dark);
}

.page-products .pk-chapter__num {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .16em;
  color: var(--sand-500);
}

.page-products .pk-chapter__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: .95rem;
  letter-spacing: .04em;
  color: inherit;
}

.page-products .pk-chapter__label {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  color: var(--slate-400);
  text-transform: uppercase;
}

.page-products .pk-band--mid .pk-chapter__label,
.page-products .pk-band--deep .pk-chapter__label {
  color: rgba(243, 241, 234, .55);
}

/* ---------- 标题与正文 ---------- */
.page-products .pk-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.01em;
  font-size: clamp(1.45rem, 4vw, 2.15rem);
  line-height: 1.32;
  margin: 0 0 1rem;
  max-width: 24ch;
}

.page-products .pk-h2--dark {
  color: #fff;
}

.page-products .pk-prose {
  font-size: 1rem;
  line-height: 1.95;
  color: rgba(20, 22, 28, .82);
  max-width: var(--pk-max);
  margin: 0 0 1.1rem;
}

.page-products .pk-prose--wide {
  max-width: 78ch;
}

.page-products .pk-prose--dark {
  color: var(--on-dark);
}

.page-products .pk-inline-link {
  font-size: .92rem;
  line-height: 1.9;
  color: rgba(20, 22, 28, .78);
  margin-top: 1.2rem;
}

/* ---------- 图片容器 ---------- */
.page-products .pk-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--indigo-800);
  overflow: hidden;
}

.page-products .pk-media--wide {
  margin-bottom: clamp(1.6rem, 4vw, 2.4rem);
}

.page-products .pk-media--band {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
}

.page-products .pk-media--square img,
.page-products .pk-media--thumb img {
  aspect-ratio: 1 / 1;
}

.page-products .pk-media--wide img,
.page-products .pk-media--band img {
  aspect-ratio: 3 / 2;
}

.page-products .pk-media--band img {
  aspect-ratio: 2 / 1;
}

.page-products .pk-media--tall img {
  aspect-ratio: 3 / 2;
}

.page-products .pk-media__label {
  display: block;
  padding: .5rem .8rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--sand-200);
  background: var(--indigo-950);
  border-top: 1px solid var(--line-dark);
}

/* ---------- 分类总览引导 ---------- */
.page-products .pk-intro {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  margin-bottom: clamp(1.6rem, 4vw, 2.2rem);
}

/* ---------- 筛选条 ---------- */
.page-products .pk-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  padding: .9rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: .8rem;
  background: transparent;
}

.page-products .pk-filter__hint {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--slate-400);
  margin-right: .3rem;
}

.page-products .pk-chip {
  appearance: none;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  padding: .42rem .8rem;
  color: var(--ink-900);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--dur-2), color var(--dur-2), border-color var(--dur-2);
}

.page-products .pk-chip:hover {
  border-color: var(--sand-500);
  color: var(--indigo-950);
}

.page-products .pk-chip[aria-pressed="true"],
.page-products .pk-chip.is-on {
  background: var(--indigo-950);
  border-color: var(--indigo-950);
  color: var(--sand-200);
}

.page-products .pk-count {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--slate-400);
  margin: 0 0 1rem;
}

/* ---------- 分类网格 ---------- */
.page-products .pk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pk-card {
  position: relative;
  overflow: hidden;
  background: var(--paper-050);
  padding: 1.4rem 1.3rem 1.2rem;
  transition: background var(--dur-2);
}

.page-products .pk-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 4px;
  background: var(--cyan-400);
  transform: translateX(100%);
  transition: transform var(--dur-1) ease-out;
}

.page-products .pk-card:hover {
  background: #fff;
}

.page-products .pk-card:hover::after {
  transform: translateX(0);
}

.page-products .pk-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--slate-400);
  font-variant-numeric: tabular-nums;
}

.page-products .pk-card__icon {
  display: block;
  margin: .85rem 0 .7rem;
  color: var(--sand-500);
}

.page-products .pk-card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.14rem;
  letter-spacing: .01em;
  margin: 0 0 .45rem;
  color: var(--indigo-950);
}

.page-products .pk-card__desc {
  font-size: .9rem;
  line-height: 1.85;
  color: rgba(20, 22, 28, .8);
  margin: 0 0 .9rem;
}

.page-products .pk-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .9rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--indigo-600);
  border-top: 1px solid var(--line);
  padding-top: .7rem;
}

/* ---------- 四步流程 ---------- */
.page-products .pk-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pk-step {
  background: var(--paper-050);
  padding: 1.4rem 1.3rem 1.5rem;
  transition: background var(--dur-2);
}

.page-products .pk-step:hover {
  background: var(--sand-200);
}

.page-products .pk-step__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--sand-500);
  font-variant-numeric: tabular-nums;
  margin: 0 0 .7rem;
}

.page-products .pk-step__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.02rem;
  line-height: 1.5;
  margin: 0 0 .5rem;
  color: var(--indigo-950);
}

.page-products .pk-step__body {
  font-size: .9rem;
  line-height: 1.9;
  color: rgba(20, 22, 28, .8);
  margin: 0;
}

/* ---------- 版本对照表 ---------- */
.page-products .pk-table-wrap {
  margin-top: 1.4rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--paper-050);
  -webkit-overflow-scrolling: touch;
}

.page-products .pk-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: .88rem;
}

.page-products .pk-table__cap {
  caption-side: top;
  text-align: left;
  padding: .8rem .9rem .2rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--slate-400);
}

.page-products .pk-table th {
  text-align: left;
  padding: .7rem .9rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--slate-400);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.page-products .pk-table td {
  padding: .85rem .9rem;
  line-height: 1.7;
  color: rgba(20, 22, 28, .86);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.page-products .pk-table tbody tr:nth-child(even) {
  background: rgba(11, 18, 48, .035);
}

.page-products .pk-table tbody tr {
  transition: background var(--dur-2);
}

.page-products .pk-table tbody tr:hover {
  background: rgba(200, 162, 74, .16);
}

.page-products .pk-table__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--indigo-950);
  white-space: nowrap;
}

.page-products .pk-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  padding: .2rem .5rem;
  border-radius: var(--radius);
  white-space: nowrap;
}

.page-products .pk-tag--updated {
  background: rgba(31, 138, 112, .14);
  color: var(--jade-500);
  border: 1px solid rgba(31, 138, 112, .4);
}

.page-products .pk-tag--archived {
  background: rgba(122, 134, 168, .14);
  color: var(--indigo-600);
  border: 1px solid var(--line-strong);
}

/* ---------- 终端适配 ---------- */
.page-products .pk-terminal {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
}

.page-products .pk-band--mid .pk-h2 {
  color: #fff;
}

.page-products .pk-check {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-products .pk-check li {
  position: relative;
  padding-left: 1.5rem;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--on-dark);
}

.page-products .pk-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .8rem;
  height: 1px;
  background: var(--cyan-400);
}

/* ---------- 场景折叠 ---------- */
.page-products .pk-scenes {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.2rem);
  margin-top: 1.2rem;
}

.page-products .pk-acc {
  border-top: 1px solid var(--line-strong);
}

.page-products .pk-acc .pk-acc__item {
  border-bottom: 1px solid var(--line);
}

.page-products .pk-acc__btn {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem 1rem;
  width: 100%;
  padding: 1.05rem .2rem;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  color: var(--ink-900);
  transition: background var(--dur-2), padding-left var(--dur-2);
}

.page-products .pk-acc__btn:hover {
  background: rgba(200, 162, 74, .12);
  padding-left: .6rem;
}

.page-products .pk-acc__idx {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--sand-500);
  flex: none;
}

.page-products .pk-acc__label {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.02rem;
  color: var(--indigo-950);
}

.page-products .pk-acc__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--slate-400);
}

.page-products .pk-acc .acc__panel-inner {
  padding: 0 .2rem 1.2rem;
  font-size: .92rem;
  line-height: 1.9;
  color: rgba(20, 22, 28, .8);
  max-width: 66ch;
}

.page-products .pk-acc .acc__panel-inner p {
  margin: 0;
}

/* ---------- 支持区块 ---------- */
.page-products .pk-support {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
}

.page-products .pk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.4rem;
}

.page-products .pk-btn {
  display: inline-block;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: .9rem;
  letter-spacing: .04em;
  padding: .8rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--sand-500);
  background: var(--sand-500);
  color: var(--indigo-950);
  transition: background var(--dur-2), color var(--dur-2), border-color var(--dur-2);
}

.page-products .pk-btn:hover {
  background: var(--sand-200);
  border-color: var(--sand-200);
}

.page-products .pk-btn--ghost {
  background: transparent;
  color: var(--sand-200);
  border-color: rgba(200, 162, 74, .55);
}

.page-products .pk-btn--ghost:hover {
  background: rgba(200, 162, 74, .16);
  color: #fff;
  border-color: var(--sand-500);
}

.page-products .pk-side__title {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--sand-500);
  margin: 0 0 .9rem;
}

.page-products .pk-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}

.page-products .pk-side__link {
  display: block;
  padding: .8rem .2rem;
  border-bottom: 1px solid var(--line-dark);
  color: var(--on-dark);
  text-decoration: none;
  font-size: .94rem;
  transition: background var(--dur-2), color var(--dur-2), padding-left var(--dur-2);
}

.page-products .pk-side__link:hover {
  background: rgba(47, 212, 198, .08);
  color: #fff;
  padding-left: .6rem;
}

.page-products .pk-side__note {
  margin: 1.1rem 0 0;
  font-size: .86rem;
  line-height: 1.85;
  color: var(--on-dark-muted);
}

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

@media (min-width: 900px) {
  .page-products .pk-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .pk-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pk-intro {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pk-terminal {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pk-scenes {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pk-support {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-products .pk-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pk-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pk-step {
    padding: 1.6rem 1.4rem 1.8rem;
  }
}

@media (max-width: 480px) {
  .page-products .pk-acc__hint {
    margin-left: 0;
    flex-basis: 100%;
  }

  .page-products .pk-title {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pk-card::after,
  .page-products .pk-card,
  .page-products .pk-quick__item,
  .page-products .pk-side__link,
  .page-products .pk-acc__btn,
  .page-products .pk-step,
  .page-products .pk-chip,
  .page-products .pk-table tbody tr,
  .page-products .pk-btn {
    transition: none;
  }

  .page-products .pk-card::after {
    transform: translateX(100%);
  }

  .page-products .pk-card:hover::after {
    transform: translateX(0);
  }
}