.page-products {
  --prod-rail-w: 244px;
  --prod-gap: 44px;
  --prod-mono: var(--db-mono);
  --prod-shadow-soft: 0 1px 0 rgba(18, 16, 14, .05), 0 22px 40px -34px rgba(18, 16, 14, .6);
  --prod-rule: 1px solid var(--db-line);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  background: var(--db-paper);
  border-bottom: 1px solid var(--db-line);
  padding: calc(var(--db-header-h) + 34px) 0 0;
}

.page-products .prod-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .2;
}

.page-products .prod-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(198, 189, 171, .38) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(198, 189, 171, .28) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: .5;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 22px 0 34px;
}

.page-products h1 {
  font-family: var(--db-serif);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--db-ink);
  font-size: clamp(27px, 5.4vw, 44px);
  line-height: 1.24;
  margin: 0 0 18px;
  max-width: 22em;
}

.page-products .prod-hero .db-lead {
  font-family: var(--db-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--db-body-text);
  max-width: 46em;
  margin: 0;
}

.page-products .prod-hero__index {
  border: var(--prod-rule);
  background: rgba(246, 242, 233, .78);
  padding: 16px 18px;
}

.page-products .prod-hero__indexlabel {
  font-family: var(--prod-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--db-rock);
  margin: 0 0 12px;
  text-transform: uppercase;
}

.page-products .prod-hero__indexlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-products .prod-hero__indexlist a {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  text-decoration: none;
  color: var(--db-copper-deep);
  font-size: 14px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-products .prod-hero__indexlist a:hover {
  border-bottom-color: var(--db-copper);
  color: var(--db-cinnabar);
}

.page-products .prod-mono {
  font-family: var(--prod-mono);
  font-variant-numeric: tabular-nums;
}

/* 速查卡带 */
.page-products .prod-quickband {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--db-line);
  border-top: 1px solid var(--db-line);
  border-bottom: 1px solid var(--db-line);
  margin: 0 calc(50% - 50vw);
}

.page-products .prod-quick {
  background: var(--db-cream);
  padding: 26px 24px 28px;
}

.page-products .prod-quick__label {
  font-family: var(--prod-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--db-rock);
  margin: 0 0 14px;
}

.page-products .prod-quick__value {
  font-family: var(--prod-mono);
  font-size: clamp(34px, 7vw, 46px);
  line-height: 1;
  color: var(--db-ink);
  margin: 0 0 12px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-products .prod-quick__unit {
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--db-rock);
}

.page-products .prod-quick__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--db-body-text);
}

/* ---------- 主体布局 ---------- */
.page-products .prod-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding: 40px 0 72px;
}

.page-products .prod-rail {
  min-width: 0;
}

.page-products .prod-tree {
  border: var(--prod-rule);
  background: var(--db-cream);
  padding: 20px 18px 18px;
}

.page-products .prod-tree__title {
  font-family: var(--prod-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--db-copper-deep);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--db-copper);
}

.page-products .prod-tree__mainlist {
  margin-bottom: 18px;
}

.page-products .prod-tree .db-tree__link {
  display: block;
  padding: 7px 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--db-body-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 189, 171, .5);
}

.page-products .prod-tree .db-tree__link:hover {
  color: var(--db-copper-deep);
}

.page-products .prod-tree .db-tree__link[aria-current="true"],
.page-products .prod-tree .db-tree__link[aria-current="page"] {
  color: var(--db-ink);
  font-weight: 600;
  border-bottom-color: var(--db-copper);
  box-shadow: inset 3px 0 0 var(--db-copper);
  padding-left: 9px;
}

.page-products .prod-tree__toggle {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--db-line);
  padding: 10px 0;
  font-family: var(--db-sans);
  font-size: 14px;
  color: var(--db-copper-deep);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .prod-tree__toggle::after {
  content: "／";
  font-family: var(--prod-mono);
  color: var(--db-rock);
  transition: transform .25s ease;
}

.page-products .prod-tree__toggle[aria-expanded="false"]::after {
  content: "＼";
}

.page-products .prod-tree .db-tree__panel {
  padding-top: 4px;
}

.page-products .prod-tree__hint {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--db-line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--db-rock);
}

.page-products .prod-tree__hint a {
  color: var(--db-copper-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--db-copper);
}

.page-products .prod-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

/* ---------- 面板 ---------- */
.page-products .prod-panel {
  border: var(--prod-rule);
  background: var(--db-cream);
  box-shadow: var(--prod-shadow-soft);
}

.page-products .prod-panel__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 24px 18px;
  border-bottom: 1px solid var(--db-line);
}

.page-products .prod-num {
  font-family: var(--prod-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--db-copper);
  border: 1px solid var(--db-copper);
  padding: 4px 7px;
  line-height: 1;
  flex: none;
  margin-top: 4px;
}

.page-products .prod-num--light {
  color: var(--db-copper-bright);
  border-color: var(--db-copper-bright);
}

.page-products .prod-panel__head .db-panel__title {
  font-family: var(--db-serif);
  font-weight: 600;
  letter-spacing: .02em;
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.35;
  color: var(--db-ink);
  margin: 0;
}

.page-products .prod-panel__sub {
  margin: 8px 0 0;
  font-family: var(--prod-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--db-rock);
  line-height: 1.6;
}

.page-products .prod-panel__sub--light {
  color: var(--db-celadon-light);
}

.page-products .prod-title-light {
  color: var(--db-cream);
}

.page-products .prod-panel .db-panel__body {
  padding: 24px;
}

.page-products .prod-panel .db-panel__body > p {
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--db-body-text);
  max-width: 52em;
}

.page-products .prod-inline-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--db-celadon);
  background: rgba(155, 179, 164, .16);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--db-body-text);
}

.page-products .prod-inline-note a {
  color: var(--db-copper-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--db-copper);
}

/* ---------- 表格 ---------- */
.page-products .prod-table-wrap {
  overflow-x: auto;
  border: var(--prod-rule);
  background: var(--db-cream);
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .prod-table__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-family: var(--prod-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--db-rock);
  background: var(--db-paper);
  border-bottom: 1px solid var(--db-line);
}

.page-products .prod-table__caption--light {
  background: rgba(217, 168, 94, .08);
  color: var(--db-celadon-light);
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--db-line);
  line-height: 1.65;
}

.page-products .prod-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--db-brown);
  color: var(--db-cream);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .03em;
  border-bottom: 1px solid var(--db-copper);
  white-space: nowrap;
}

.page-products .prod-table tbody th[scope="row"] {
  font-weight: 600;
  color: var(--db-ink);
  white-space: nowrap;
}

.page-products .prod-table tbody tr:nth-child(odd) {
  background: var(--db-paper);
}

.page-products .prod-table tbody tr:nth-child(even) {
  background: var(--db-cream);
}

.page-products .prod-table tbody tr:hover {
  background: rgba(169, 118, 47, .1);
}

.page-products .prod-table .db-num {
  font-family: var(--prod-mono);
  font-variant-numeric: tabular-nums;
  color: var(--db-ink);
  letter-spacing: .01em;
}

.page-products .prod-table .prod-col-current {
  background: rgba(91, 122, 107, .13);
  box-shadow: inset 1px 0 0 var(--db-celadon), inset -1px 0 0 var(--db-celadon);
}

.page-products .prod-table thead .prod-col-current {
  background: var(--db-celadon);
  color: var(--db-cream);
  box-shadow: none;
}

.page-products .prod-table--compare .prod-diff {
  position: relative;
  color: var(--db-ink);
}

.page-products .prod-table--compare .prod-diff::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--db-cinnabar);
  margin-top: 6px;
}

.page-products .prod-table--dark {
  background: var(--db-brown);
  color: var(--db-cream);
}

.page-products .prod-table--dark th,
.page-products .prod-table--dark td {
  border-bottom: 1px solid rgba(198, 189, 171, .24);
}

.page-products .prod-table--dark tbody tr:nth-child(odd) {
  background: rgba(246, 242, 233, .05);
}

.page-products .prod-table--dark tbody tr:nth-child(even) {
  background: rgba(246, 242, 233, .02);
}

.page-products .prod-table--dark tbody th[scope="row"] {
  color: var(--db-copper-bright);
}

.page-products .prod-table--dark .db-num {
  color: var(--db-cream);
}

.page-products .prod-table-wrap--dark {
  border-color: rgba(198, 189, 171, .24);
  background: var(--db-brown);
}

/* ---------- 图与清单 ---------- */
.page-products .prod-figure-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 24px;
}

.page-products .prod-figure {
  margin: 24px 0 0;
}

.page-products .prod-figure--end {
  margin-top: 30px;
}

.page-products .prod-figure__media {
  overflow: hidden;
  border: var(--prod-rule);
  background: var(--db-cream);
  aspect-ratio: 3 / 2;
}

.page-products .prod-figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products .prod-figure .db-figure__caption {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--db-rock);
}

.page-products .prod-figure__caption--light {
  color: var(--db-celadon-light);
}

.page-products .prod-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .prod-checklist li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--db-body-text);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--db-line);
}

.page-products .prod-checklist li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .prod-check {
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border: 1px solid var(--db-celadon);
  background: rgba(155, 179, 164, .4);
  position: relative;
}

.page-products .prod-check::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 0px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--db-celadon);
  border-bottom: 2px solid var(--db-celadon);
  transform: rotate(40deg);
}

/* ---------- 续费额度 ---------- */
.page-products .prod-renew-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--db-line);
  border: var(--prod-rule);
  margin-bottom: 26px;
}

.page-products .prod-renew-card {
  background: var(--db-cream);
  padding: 22px 20px 24px;
}

.page-products .prod-renew-card--top {
  background: var(--db-paper);
  box-shadow: inset 0 3px 0 var(--db-copper);
}

.page-products .prod-renew-card--base {
  background: rgba(155, 179, 164, .16);
}

.page-products .prod-renew-card__year {
  margin: 0 0 14px;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--db-rock);
}

.page-products .prod-renew-card__coef {
  margin: 0 0 10px;
  font-family: var(--prod-mono);
  font-size: 40px;
  line-height: 1;
  color: var(--db-ink);
}

.page-products .prod-renew-card__coef::after {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  background: var(--db-copper);
  margin-top: 12px;
}

.page-products .prod-renew-card__calc {
  margin: 0;
  font-size: 14px;
  color: var(--db-body-text);
}

.page-products .prod-renew-card__calc .db-num {
  font-family: var(--prod-mono);
  font-size: 18px;
  color: var(--db-ink);
  letter-spacing: .01em;
}

.page-products .prod-rules {
  border: var(--prod-rule);
  border-left: 3px solid var(--db-copper);
  background: var(--db-paper);
  padding: 20px 22px 22px;
}

.page-products .prod-rules__title {
  margin: 0 0 14px;
  font-family: var(--db-serif);
  font-weight: 600;
  font-size: 16.5px;
  color: var(--db-ink);
  letter-spacing: .02em;
}

.page-products .prod-rules__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .prod-rules__list li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--db-body-text);
  border-bottom: 1px solid rgba(198, 189, 171, .55);
}

.page-products .prod-rules__list li:last-child {
  border-bottom: 0;
}

.page-products .prod-rules__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 9px;
  height: 1px;
  background: var(--db-copper);
}

.page-products .prod-rules__list strong {
  color: var(--db-ink);
  font-weight: 600;
  margin-right: 4px;
}

/* ---------- PC 端价格周期（深色带） ---------- */
.page-products .prod-band {
  border: 1px solid var(--db-brown);
}

.page-products .prod-band__inner {
  padding: 34px 24px 38px;
}

.page-products .prod-band .prod-panel__head {
  border-bottom: 1px solid rgba(198, 189, 171, .3);
  padding: 0 0 18px;
  margin-bottom: 22px;
}

.page-products .prod-light-text {
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(246, 242, 233, .86);
  max-width: 52em;
}

.page-products .prod-axis-wrap {
  border: 1px solid rgba(198, 189, 171, .28);
  background: rgba(246, 242, 233, .04);
  padding: 18px 20px 14px;
  margin-bottom: 26px;
}

.page-products .prod-axis {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .prod-axis__line {
  stroke: rgba(198, 189, 171, .55);
  stroke-width: 1;
  stroke-dasharray: 4 5;
}

.page-products .prod-axis__node {
  fill: var(--db-copper);
}

.page-products .prod-axis__node--now {
  fill: var(--db-copper-bright);
}

.page-products .prod-axis__tick {
  fill: rgba(198, 189, 171, .5);
}

.page-products .prod-axis__labels {
  list-style: none;
  margin: 10px 0 0;
  padding: 0 3%;
  display: flex;
  justify-content: space-between;
  gap: 6px;
}

.page-products .prod-axis__labels li {
  font-family: var(--prod-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--db-celadon-light);
  text-align: center;
  white-space: nowrap;
}

.page-products .prod-axis__labels .prod-mono {
  color: var(--db-copper-bright);
  margin-right: 3px;
}

.page-products .prod-figure--dark {
  margin-top: 26px;
}

.page-products .prod-figure--dark .prod-figure__media {
  border-color: rgba(198, 189, 171, .3);
  aspect-ratio: 7 / 4;
}

/* ---------- 版本对照辅助 ---------- */
.page-products .prod-compare-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-bottom: 18px;
}

.page-products .prod-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--db-rock);
  line-height: 1.6;
}

.page-products .prod-legend-mark {
  width: 18px;
  height: 2px;
  background: var(--db-cinnabar);
  flex: none;
}

.page-products .prod-legend-tag {
  font-family: var(--prod-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--db-celadon);
  border: 1px solid var(--db-celadon);
  padding: 2px 6px;
  line-height: 1.4;
}

/* ---------- 场景组合 ---------- */
.page-products .prod-scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--db-line);
  border: var(--prod-rule);
}

.page-products .prod-scene {
  background: var(--db-cream);
  padding: 24px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .prod-scene__tag {
  align-self: flex-start;
  margin: 0;
  font-family: var(--prod-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--db-cream);
  background: var(--db-celadon);
  padding: 4px 9px;
  line-height: 1.4;
}

.page-products .prod-scene__title {
  margin: 0;
  font-family: var(--db-serif);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--db-ink);
}

.page-products .prod-scene__combo {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--db-body-text);
}

.page-products .prod-scene__range {
  margin: 6px 0 0;
  font-family: var(--prod-mono);
  font-size: 23px;
  line-height: 1.3;
  color: var(--db-ink);
  letter-spacing: .01em;
  padding: 10px 0;
  border-top: 1px solid var(--db-line);
  border-bottom: 1px solid var(--db-line);
}

.page-products .prod-scene__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--db-rock);
}

.page-products .prod-scene__note a {
  color: var(--db-copper-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--db-copper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .prod-quickband {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .prod-renew-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1fr) 216px;
    align-items: start;
    gap: 48px;
  }

  .page-products .prod-hero__indexlist {
    flex-direction: column;
    gap: 10px;
  }

  .page-products .prod-figure-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-renew-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .prod-scene-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-products .prod-layout {
    grid-template-columns: var(--prod-rail-w) minmax(0, 1fr);
    gap: var(--prod-gap);
    align-items: start;
    padding: 52px 0 86px;
  }

  .page-products .prod-rail {
    position: sticky;
    top: calc(var(--db-header-h) + 24px);
  }

  .page-products .prod-hero {
    padding-top: calc(var(--db-header-h) + 46px);
  }

  .page-products .prod-hero__grid {
    padding: 28px 0 44px;
  }

  .page-products .prod-panel__head {
    padding: 28px 32px 20px;
  }

  .page-products .prod-panel .db-panel__body {
    padding: 30px 32px 34px;
  }

  .page-products .prod-band__inner {
    padding: 42px 32px 46px;
  }

  .page-products .prod-renew-card {
    padding: 26px 24px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-tree__toggle::after {
    transition: none;
  }

  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
  }
}