.page-products {
  --vp-line-w: 6px;
  display: block;
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-products .vp-hero {
  padding-top: 26px;
  padding-bottom: 48px;
}

.page-products .vp-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-bottom: 30px;
}

.page-products .vp-strip__item {
  display: inline-block;
  border: 2px solid var(--moss);
  background: var(--table-green);
  color: var(--amber-soft);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  text-transform: uppercase;
  white-space: nowrap;
}

.page-products .vp-hero__kicker {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--sage);
  margin: 0 0 16px;
}

.page-products .vp-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.6vw, 84px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--cream);
  margin: 0 0 22px;
}

.page-products .vp-hero__lead {
  max-width: 64ch;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--paper);
  margin: 0 0 28px;
}

.page-products .vp-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 章节骨架 ---------- */
.page-products .vp-sec {
  padding-top: 52px;
}

.page-products .vp-lead {
  max-width: 70ch;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--paper);
  margin: 0 0 24px;
}

/* ---------- 01 归类线 ---------- */
.page-products .vp-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-products .vp-split__fig {
  margin: 0;
}

.page-products .vp-line-grid {
  display: grid;
  gap: 14px;
}

.page-products .vp-line {
  border: var(--bd) solid var(--moss);
  border-left-width: var(--vp-line-w);
  background: var(--table-green);
  box-shadow: var(--shadow-hard);
}

.page-products .vp-line--amber {
  border-left-color: var(--amber);
}

.page-products .vp-line--blue {
  border-left-color: var(--prayer-blue);
}

.page-products .vp-line--sage {
  border-left-color: var(--sage);
}

.page-products .vp-line--saffron {
  border-left-color: var(--saffron);
}

.page-products .vp-line__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .vp-line__sum::-webkit-details-marker {
  display: none;
}

.page-products .vp-line__sum::marker {
  content: "";
}

.page-products .vp-line__count {
  margin-left: auto;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--sage);
  white-space: nowrap;
}

.page-products .vp-line__chev {
  font-size: 15px;
  line-height: 1;
  color: var(--amber);
  transition: transform 0.22s var(--ease);
}

.page-products .vp-line[open] .vp-line__chev {
  transform: rotate(45deg);
}

.page-products .vp-line__body {
  margin: 0 16px 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--moss);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

.page-products .vp-line__body p {
  margin: 0 0 10px;
}

.page-products .vp-line__list {
  margin: 0;
  padding-left: 18px;
  color: var(--sage);
  font-size: 13.5px;
  line-height: 1.9;
}

/* ---------- 02 功能分区 ---------- */
.page-products .vp-widefig {
  margin: 0 0 28px;
}

.page-products .vp-zones {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .vp-zone {
  display: flex;
  flex-direction: column;
  border: var(--bd) solid var(--moss);
  background: linear-gradient(180deg, var(--table-green) 0%, #0e2c25 100%);
  box-shadow: var(--shadow-hard);
  transition: border-color 0.2s var(--ease);
}

.page-products .vp-zone:hover {
  border-color: var(--amber);
}

.page-products .vp-zone__sum {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .vp-zone__sum::-webkit-details-marker {
  display: none;
}

.page-products .vp-zone__sum::marker {
  content: "";
}

.page-products .vp-zone__idx {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .vp-zone__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--cream);
}

.page-products .vp-zone__chev {
  margin-left: auto;
  font-size: 15px;
  line-height: 1;
  color: var(--amber);
  transition: transform 0.22s var(--ease);
}

.page-products .vp-zone[open] .vp-zone__chev {
  transform: rotate(45deg);
}

.page-products .vp-zone__body {
  margin: 0 16px 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--moss);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

.page-products .vp-zone__body p {
  margin: 0 0 10px;
}

.page-products .vp-zone__body ul {
  margin: 0;
  padding-left: 18px;
  color: var(--sage);
  font-size: 13.5px;
  line-height: 1.9;
}

.page-products .vp-foldfig {
  margin: 24px 0 0;
}

/* ---------- 03 版本差异 ---------- */
.page-products .vp-vers {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-products .vp-vers__item {
  position: relative;
  padding-left: 32px;
  padding-bottom: 28px;
}

.page-products .vp-vers__item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: -2px;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    var(--moss) 0 6px,
    transparent 6px 12px
  );
}

.page-products .vp-vers__item:last-child {
  padding-bottom: 0;
}

.page-products .vp-vers__item:last-child::before {
  display: none;
}

.page-products .vp-vers__dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--amber);
  background: var(--ink-green);
  border-radius: 50%;
}

.page-products .vp-vers__stage {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
  border: 1px solid var(--moss);
  background: rgba(227, 169, 78, 0.12);
  padding: 3px 9px;
  margin-bottom: 10px;
}

.page-products .vp-vers__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.25;
  color: var(--cream);
  margin: 0 0 8px;
}

.page-products .vp-vers__box p {
  max-width: 74ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sage);
}

.page-products .vp-carry {
  margin-top: 30px;
  border: var(--bd) solid var(--moss);
  border-top: 4px solid var(--amber);
  background: var(--table-green);
  padding: 20px 18px;
  box-shadow: var(--shadow-hard);
}

.page-products .vp-carry__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--cream);
  margin: 0 0 10px;
}

.page-products .vp-carry p {
  margin: 0;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

/* ---------- 04 适配矩阵 ---------- */
.page-products .vp-matrix {
  margin-top: 4px;
  border: var(--bd) solid var(--moss);
  background: var(--table-green);
  box-shadow: var(--shadow-hard);
}

.page-products .vp-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 14px;
}

.page-products .vp-table__cap {
  caption-side: top;
  text-align: left;
  padding: 12px 16px 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-products .vp-table th,
.page-products .vp-table td {
  text-align: left;
  vertical-align: top;
  padding: 12px 14px;
  border-bottom: 1px solid var(--moss);
}

.page-products .vp-table thead th {
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products .vp-table tbody tr {
  color: var(--paper);
  transition: background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-products .vp-table tbody tr:hover {
  background: rgba(227, 169, 78, 0.1);
  box-shadow: inset 4px 0 0 var(--amber);
}

.page-products .vp-table tbody th {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--amber-soft);
}

.page-products .vp-table tbody td {
  color: var(--paper);
  line-height: 1.7;
}

.page-products .vp-table tbody tr:last-child th,
.page-products .vp-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .vp-sec .note {
  margin-top: 14px;
  max-width: 74ch;
}

/* ---------- 05 键位与上手 ---------- */
.page-products .vp-keys-lab {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .vp-keys-lab__fig {
  margin: 0;
}

.page-products .vp-keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .vp-key {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 2px solid var(--moss);
  border-left: 4px solid var(--prayer-blue);
  background: var(--table-green);
  padding: 12px 14px;
}

.page-products .vp-key__no {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--prayer-blue);
  white-space: nowrap;
}

.page-products .vp-key__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--cream);
  margin: 0 0 5px;
}

.page-products .vp-key__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sage);
}

.page-products .vp-steps-wrap {
  margin-top: 38px;
}

.page-products .vp-steps__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  color: var(--cream);
  border-bottom: 2px solid var(--amber);
  padding-bottom: 10px;
  margin: 0 0 22px;
}

.page-products .vp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .vp-step {
  border: var(--bd) solid var(--moss);
  background: var(--paper);
  color: var(--ink);
  padding: 16px;
  box-shadow: var(--shadow-hard);
}

.page-products .vp-step__no {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--saffron);
  margin-bottom: 7px;
}

.page-products .vp-step h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-products .vp-step p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 收尾 ---------- */
.page-products .vp-tail {
  margin-top: 44px;
  border: var(--bd) dashed var(--amber);
  background: linear-gradient(135deg, rgba(227, 169, 78, 0.12), transparent 62%);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .vp-tail p {
  margin: 0;
  max-width: 64ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
}

.page-products .vp-tail__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .vp-zones {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .vp-tail {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-products .vp-tail__acts {
    flex: 0 0 auto;
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-products .vp-keys-lab {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .vp-carry {
    padding: 24px 22px;
  }
}

@media (min-width: 980px) {
  .page-products .vp-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .vp-split__fig {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 1080px) {
  .page-products .vp-zones {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-products .vp-table,
  .page-products .vp-table tbody,
  .page-products .vp-table tr,
  .page-products .vp-table th,
  .page-products .vp-table td {
    display: block;
    width: 100%;
  }

  .page-products .vp-table thead {
    display: none;
  }

  .page-products .vp-table__cap {
    padding: 12px 14px 4px;
  }

  .page-products .vp-table tbody tr {
    padding: 4px 0 12px;
    border-bottom: 2px solid var(--moss);
  }

  .page-products .vp-table tbody tr:last-child {
    border-bottom: none;
  }

  .page-products .vp-table tbody th {
    padding: 12px 14px 6px;
    font-size: 17px;
    border-bottom: none;
  }

  .page-products .vp-table tbody td {
    padding: 4px 14px;
    border-bottom: none;
  }

  .page-products .vp-table tbody td::before {
    content: attr(data-label) " · ";
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: var(--sage);
  }

  .page-products .vp-table tbody tr:hover {
    box-shadow: inset 4px 0 0 var(--amber);
  }

  .page-products .vp-hero__lead,
  .page-products .vp-lead {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .page-products .vp-hero__title {
    font-size: 32px;
  }

  .page-products .vp-strip__item {
    font-size: 10.5px;
    padding: 4px 8px;
  }

  .page-products .vp-hero__acts .btn,
  .page-products .vp-tail__acts .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .vp-line__chev,
  .page-products .vp-zone__chev,
  .page-products .vp-table tbody tr,
  .page-products .vp-zone {
    transition-duration: 0.12s;
  }

  .page-products .vp-line__chev,
  .page-products .vp-zone__chev {
    transition-property: opacity;
  }
}