.page-products .breadcrumb {
  padding: 16px 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--rock);
}
.page-products .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.page-products .breadcrumb a:hover { color: var(--spring); }

.page-products .slab { padding: 46px 0 54px; }
.page-products .slab--cut { padding-bottom: 62px; }

.page-products .stack-mark { margin-bottom: 18px; }
.page-products .display-title { max-width: 18em; margin: 0 0 22px; }

.page-products .pp-intro {
  align-items: start;
  gap: 28px;
}
.page-products .pp-intro .lead { margin: 0; }

.page-products .pp-intro__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
  border: 2px solid var(--line);
  background: var(--line-soft);
  box-shadow: var(--shadow-sm);
}
.page-products .pp-fact {
  background: var(--ink-2);
  padding: 14px 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-products .pp-fact__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  line-height: 1;
  color: var(--spring);
}
.page-products .pp-fact:nth-child(2) .pp-fact__num { color: var(--summer); }
.page-products .pp-fact:nth-child(3) .pp-fact__num { color: var(--autumn); }
.page-products .pp-fact__unit {
  font-size: 15px;
  margin-left: 2px;
}
.page-products .pp-fact__label {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--rock);
  line-height: 1.5;
}

/* 工具台四块面板 */
.page-products .tool-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 34px;
}
.page-products .tool-card {
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-top-width: 6px;
  border-top-color: var(--rock);
  box-shadow: var(--shadow-sm);
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}
.page-products .tool-card--spring { border-top-color: var(--spring); }
.page-products .tool-card--summer { border-top-color: var(--summer); }
.page-products .tool-card--autumn { border-top-color: var(--autumn); }
.page-products .tool-card--winter { border-top-color: var(--winter); }
.page-products .tool-card:hover { transform: translateY(-4px); }

.page-products .tool-card__idx {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--rock);
}
.page-products .tool-card__title {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.2;
  margin: 0;
  color: var(--cream);
}
.page-products .tool-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}
.page-products .tool-card__go {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink);
  background: var(--spring);
  text-decoration: none;
  padding: 7px 12px;
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-sm);
}
.page-products .tool-card--summer .tool-card__go { background: var(--summer); }
.page-products .tool-card--autumn .tool-card__go { background: var(--autumn); }
.page-products .tool-card--winter .tool-card__go { background: var(--winter); }
.page-products .tool-card__go:hover { transform: translate(-2px, -2px); }

/* 章节标题区 */
.page-products .pp-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--line);
}
.page-products .pp-head__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--cream);
}
.page-products .pp-head__note {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
  max-width: 38em;
}

/* 四条检索线 */
.page-products .line-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}
.page-products .line-card {
  padding: 20px 20px 22px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-left-width: 6px;
  border-left-color: var(--rock);
  box-shadow: var(--shadow-sm);
}
.page-products .line-card--spring { border-left-color: var(--spring); }
.page-products .line-card--summer { border-left-color: var(--summer); }
.page-products .line-card--autumn { border-left-color: var(--autumn); }
.page-products .line-card--winter { border-left-color: var(--winter); }
.page-products .line-card__no {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rock);
  margin-bottom: 8px;
}
.page-products .line-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 10px;
  color: var(--cream);
}
.page-products .line-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

/* 两版对照 */
.page-products .dual-view {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-top: 26px;
  border: 2px solid var(--line);
  background: var(--line-soft);
}
.page-products .dual-view__col {
  background: var(--ink);
  padding: 20px 22px 22px;
}
.page-products .dual-view__col p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}
.page-products .dual-view__col + .dual-view__col { border-top: 2px solid var(--line); }

.page-products .pp-figure {
  margin: 32px 0 0;
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
}
.page-products .pp-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .pp-figure--tall { margin-top: 0; }

/* 通行证三档 */
.page-products .pass-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 28px;
}
.page-products .pass-card {
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-top: 6px solid var(--rock);
  box-shadow: var(--shadow-sm);
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-products .pass-card--spring { border-top-color: var(--spring); }
.page-products .pass-card--summer { border-top-color: var(--summer); }
.page-products .pass-card--autumn { border-top-color: var(--autumn); }
.page-products .pass-card__idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rock);
}
.page-products .pass-card__title {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0;
  color: var(--cream);
}
.page-products .pass-card__term {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink);
  background: var(--spring);
  align-self: flex-start;
  padding: 4px 10px;
  border: 2px solid var(--ink);
}
.page-products .pass-card--summer .pass-card__term { background: var(--summer); }
.page-products .pass-card--autumn .pass-card__term { background: var(--autumn); }
.page-products .pass-card__for {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}
.page-products .pass-more {
  margin-top: auto;
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}
.page-products .pass-more summary,
.page-products .step__more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--summer);
  list-style: none;
}
.page-products .pass-more summary::-webkit-details-marker,
.page-products .step__more summary::-webkit-details-marker { display: none; }
.page-products .pass-more summary::before,
.page-products .step__more summary::before {
  content: "[+] ";
  color: var(--rock);
}
.page-products .pass-more[open] summary::before,
.page-products .step__more[open] summary::before { content: "[-] "; }
.page-products .pass-more ul {
  margin: 12px 0 0;
  padding: 0 0 0 16px;
  list-style: none;
}
.page-products .pass-more li {
  position: relative;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
  padding-left: 14px;
  margin-bottom: 6px;
}
.page-products .pass-more li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--spring);
}
.page-products .pass-card--summer .pass-more li::before { background: var(--summer); }
.page-products .pass-card--autumn .pass-more li::before { background: var(--autumn); }

/* 注册三步 */
.page-products .steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}
.page-products .step {
  position: relative;
  padding: 0 0 30px 60px;
}
.page-products .step::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background: var(--line);
}
.page-products .step:last-child { padding-bottom: 0; }
.page-products .step:last-child::before { display: none; }
.page-products .step__node {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-size: 15px;
  color: var(--spring);
  background: var(--ink-2);
  border: 2px solid var(--spring);
  box-shadow: var(--shadow-sm);
}
.page-products .step__title {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 4px 0 4px;
  color: var(--cream);
}
.page-products .step__meta {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--autumn);
}
.page-products .step__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
  max-width: 34em;
}
.page-products .step__more {
  margin-top: 10px;
  border-left: 2px solid var(--line);
  padding-left: 12px;
}
.page-products .step__more p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rock);
  max-width: 34em;
}
.page-products .pp-figure--tall { border-color: var(--line); }

/* 表格 */
.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 2px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-sm);
}
.page-products .field-table,
.page-products .ver-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}
.page-products .field-table th,
.page-products .ver-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-align: left;
  color: var(--rock);
  background: var(--ink);
  padding: 12px 16px;
  border-bottom: 2px solid var(--line);
  white-space: nowrap;
}
.page-products .field-table td,
.page-products .ver-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.75;
  color: var(--silver);
}
.page-products .field-table tbody tr:last-child td,
.page-products .ver-table tbody tr:last-child td { border-bottom: 0; }
.page-products .field-table tbody tr:hover,
.page-products .ver-table tbody tr:hover { background: rgba(33, 212, 253, .07); }
.page-products .field-table tbody th,
.page-products .ver-table tbody th {
  background: transparent;
  border-bottom: 1px solid var(--line-soft);
  text-transform: none;
  letter-spacing: 0;
  padding: 14px 16px;
  color: var(--silver);
  white-space: nowrap;
}
.page-products .field-name {
  font-family: var(--font-mono);
  color: var(--summer) !important;
  font-size: 14px;
}
.page-products .ver-name {
  font-size: 14px;
  color: var(--cream);
  margin-left: 8px;
}
.page-products .ver-table tbody th { display: flex; align-items: center; gap: 8px; }

.page-products .pp-side__lead {
  margin: 26px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
  max-width: 36em;
}
.page-products .pp-side__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.page-products .pp-side__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .pp-side__list .dot { margin-top: 9px; flex: none; }

.page-products .pp-figure--scoreboard { margin-top: 26px; }

/* 下一步 */
.page-products .pp-next-slab { padding-bottom: 64px; }
.page-products .pp-next__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 32px);
  margin: 0 0 22px;
  color: var(--cream);
}
.page-products .pp-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-products .pp-next__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  padding: 18px 20px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-bottom-width: 6px;
  box-shadow: var(--shadow-sm);
  transition: transform 160ms var(--ease);
}
.page-products .pp-next__item:hover { transform: translateY(-4px); }
.page-products .pp-next__item--spring { border-bottom-color: var(--spring); }
.page-products .pp-next__item--summer { border-bottom-color: var(--summer); }
.page-products .pp-next__item--autumn { border-bottom-color: var(--autumn); }
.page-products .pp-next__item--winter { border-bottom-color: var(--winter); }
.page-products .pp-next__label {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rock);
}
.page-products .pp-next__name {
  font-size: 16px;
  line-height: 1.6;
  color: var(--cream);
}

@media (min-width: 700px) {
  .page-products .slab { padding: 62px 0 72px; }
  .page-products .pp-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 32px;
  }
  .page-products .line-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .dual-view { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .dual-view__col + .dual-view__col {
    border-top: 0;
    border-left: 2px solid var(--line);
  }
  .page-products .pass-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pp-next { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .tool-deck { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .step { padding-left: 72px; }
  .page-products .step__node { width: 44px; height: 44px; font-size: 17px; }
  .page-products .step::before { left: 21px; top: 48px; }
}

@media (min-width: 1060px) {
  .page-products .tool-deck { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .pp-next { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .pp-side { padding-left: 28px; }
}

@media (max-width: 560px) {
  .page-products .pp-intro__facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pp-fact { padding: 12px 8px 14px; }
  .page-products .pp-fact__num { font-size: 22px; }
  .page-products .pp-fact__label { font-size: 11px; }
  .page-products .field-table,
  .page-products .ver-table { min-width: 480px; font-size: 14px; }
  .page-products .field-table td,
  .page-products .ver-table td,
  .page-products .field-table tbody th,
  .page-products .ver-table tbody th { padding: 12px 12px; }
  .page-products .step { padding-left: 52px; }
}