.page-products {
  --p-hero-pad: calc(var(--bar-h) + var(--head-h) + clamp(28px, 5vw, 48px));
  --p-hair: rgba(30, 27, 24, .14);
}

/* ============ 首屏 ============ */
.page-products .p-hero {
  background: var(--sand);
  padding-top: var(--p-hero-pad);
  padding-bottom: clamp(32px, 6vw, 64px);
}

.page-products .p-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .p-hero__lead {
  background: var(--clay);
  color: var(--paper);
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--clay-deep);
  position: relative;
}

.page-products .p-hero__lead::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, transparent 50%, var(--gold) 50%);
  opacity: .85;
}

.page-products .p-hero__lead .eyebrow {
  color: var(--gold);
  margin: 0 0 14px;
}

.page-products .p-hero__lead .display-title {
  font-family: var(--serif);
  font-size: clamp(30px, 5.4vw, 50px);
  line-height: 1.18;
  font-weight: 900;
  margin: 0;
  color: var(--paper);
  letter-spacing: -.01em;
}

.page-products .p-hero__sub {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(251, 246, 236, .72);
  margin: 12px 0 0;
}

.page-products .p-hero__lead .lede {
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(251, 246, 236, .86);
  margin: 18px 0 0;
}

.page-products .line-nav {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid rgba(251, 246, 236, .26);
}

.page-products .line-nav li {
  border-bottom: 1px solid rgba(251, 246, 236, .26);
}

.page-products .line-nav a {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 14px 0;
  color: inherit;
  text-decoration: none;
  transition: transform .18s var(--ease), background-color .18s var(--ease);
}

.page-products .line-nav a:hover,
.page-products .line-nav a:focus-visible {
  background: rgba(251, 246, 236, .1);
  transform: translateX(4px);
}

.page-products .line-nav__num {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--gold);
}

.page-products .line-nav__txt {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
}

.page-products .line-nav__txt em {
  display: block;
  font-family: var(--sans);
  font-style: normal;
  font-weight: 400;
  font-size: 13.5px;
  color: rgba(251, 246, 236, .7);
  margin-top: 4px;
  line-height: 1.6;
}

.page-products .p-hero__btns {
  margin-top: 24px;
}

.page-products .p-hero__lead .btn-ghost {
  color: var(--paper);
  border-color: rgba(251, 246, 236, .5);
}

.page-products .p-hero__lead .btn-ghost:hover,
.page-products .p-hero__lead .btn-ghost:focus-visible {
  background: rgba(251, 246, 236, .14);
  border-color: var(--paper);
}

.page-products .p-hero__map {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .map-panel {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  padding: clamp(10px, 2.5vw, 24px);
}

.page-products .map-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .mp-guide line,
.page-products .mp-guide circle {
  stroke: var(--line);
  stroke-width: 1;
  fill: none;
  stroke-dasharray: 4 9;
}

.page-products .mp-path {
  fill: none;
  stroke: var(--bronze-light);
  stroke-width: 2.5;
  stroke-linecap: round;
  transition: stroke-width .2s var(--ease), stroke .2s var(--ease);
}

.page-products .mp-node {
  fill: var(--gold);
  transition: r .2s var(--ease);
}

.page-products .mp-hub {
  fill: var(--clay);
}

.page-products .mp-label {
  font-family: var(--mono);
  font-size: 16px;
  fill: var(--bronze);
  letter-spacing: .04em;
}

.page-products .mp-sub {
  font-family: var(--sans);
  font-size: 13px;
  fill: var(--stone);
}

.page-products .mp-hub-text {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  fill: var(--paper);
}

.page-products .mp-hub-sub {
  font-family: var(--mono);
  font-size: 12px;
  fill: rgba(251, 246, 236, .78);
}

.page-products .mp-link:hover .mp-path,
.page-products .mp-link:focus-visible .mp-path {
  stroke: var(--clay);
  stroke-width: 4;
}

.page-products .mp-link:focus-visible {
  outline: none;
}

.page-products .map-caption {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--stone);
  margin: 0;
  text-align: right;
}

/* ============ 三条主线 ============ */
.page-products .p-lines {
  background: var(--sand);
}

.page-products .p-lines__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-products .p-lines__intro .section-title {
  margin: 10px 0 12px;
  font-family: var(--serif);
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.25;
  color: var(--ink);
}

.page-products .p-lines__intro .prose {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 46ch;
}

.page-products .p-lines__fig {
  margin: 0;
}

.page-products .p-lines__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .line-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .line-card {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  padding: 22px 22px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .line-card .index-number {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .08em;
}

.page-products .line-card .card-title {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 800;
  margin: 0;
  color: var(--ink);
}

.page-products .line-card__p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--stone);
  margin: 0;
}

.page-products .line-card__fit {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--bronze);
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
}

.page-products .line-card__go {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  margin-top: 4px;
}

.page-products .line-card__go:hover,
.page-products .line-card__go:focus-visible {
  color: var(--clay-deep);
  border-bottom-color: var(--clay);
}

/* ============ 三层阶梯 ============ */
.page-products .p-ladder {
  background: var(--sand);
}

.page-products .section-head .lede {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 60ch;
}

.page-products .p-ladder__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-products .layer-rail {
  border: 1px solid var(--line-strong);
  background: var(--paper);
  padding: 16px 18px;
}

.page-products .layer-rail__title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--bronze);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.page-products .layer-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-products .layer-rail__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  color: var(--stone);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.page-products .layer-rail__list a span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold);
}

.page-products .layer-rail__list a:hover,
.page-products .layer-rail__list a:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--gold);
}

.page-products .p-ladder__main {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.page-products .layer {
  padding: clamp(20px, 4vw, 36px);
  border: 1px solid var(--line-strong);
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-products .layer--entry {
  background: var(--paper);
}

.page-products .layer--daily {
  background: rgba(47, 93, 80, .09);
  border-color: rgba(47, 93, 80, .3);
}

.page-products .layer--pro {
  background: rgba(194, 112, 79, .16);
  border-color: rgba(110, 42, 30, .28);
}

.page-products .layer__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
}

.page-products .layer__num {
  font-family: var(--serif);
  font-size: clamp(38px, 6vw, 62px);
  font-weight: 900;
  line-height: .9;
  color: var(--clay);
  opacity: .85;
}

.page-products .layer--daily .layer__num {
  color: var(--bronze);
}

.page-products .layer--pro .layer__num {
  color: var(--terracotta);
}

.page-products .layer__intro .eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--bronze);
  margin: 0 0 8px;
}

.page-products .layer__title {
  font-family: var(--serif);
  font-size: clamp(21px, 2.8vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-products .layer__intro .prose {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
  margin: 0;
  max-width: 52ch;
}

.page-products .layer__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 24px;
}

.page-products .feat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-content: start;
}

.page-products .feat {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 10px;
  row-gap: 4px;
  border-top: 2px solid var(--line-strong);
  padding-top: 10px;
}

.page-products .layer--daily .feat {
  border-top-color: rgba(47, 93, 80, .34);
}

.page-products .layer--pro .feat {
  border-top-color: rgba(110, 42, 30, .3);
}

.page-products .feat__id {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--gold);
  letter-spacing: .06em;
  padding-top: 3px;
}

.page-products .feat__name {
  font-family: var(--serif);
  font-size: 16.5px;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
  line-height: 1.4;
}

.page-products .feat__desc {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.72;
  color: var(--stone);
  margin: 0;
}

.page-products .layer__media {
  margin: 0;
}

.page-products .layer__media img,
.page-products .layer__media-stack img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .layer__media-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-content: start;
}

.page-products .layer__media-stack .media {
  margin: 0;
}

/* ============ 功能索引表 ============ */
.page-products .p-index {
  background: var(--sand);
}

.page-products .func-filter {
  margin-top: clamp(20px, 3vw, 32px);
  position: relative;
}

.page-products .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .filter-bar__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--bronze);
  margin-right: 4px;
}

.page-products .filter-bar label {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--stone);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  padding: 7px 14px;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-products .filter-bar label:hover {
  border-color: var(--bronze);
  color: var(--bronze);
}

.page-products #lv-all:checked ~ .filter-bar label[for="lv-all"],
.page-products #lv-basic:checked ~ .filter-bar label[for="lv-basic"],
.page-products #lv-daily:checked ~ .filter-bar label[for="lv-daily"],
.page-products #lv-pro:checked ~ .filter-bar label[for="lv-pro"] {
  background: var(--bronze);
  border-color: var(--bronze);
  color: var(--paper);
}

.page-products #lv-all:focus-visible ~ .filter-bar label[for="lv-all"],
.page-products #lv-basic:focus-visible ~ .filter-bar label[for="lv-basic"],
.page-products #lv-daily:focus-visible ~ .filter-bar label[for="lv-daily"],
.page-products #lv-pro:focus-visible ~ .filter-bar label[for="lv-pro"] {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-products #lv-basic:checked ~ .func-table tbody tr:not([data-level="basic"]),
.page-products #lv-daily:checked ~ .func-table tbody tr:not([data-level="daily"]),
.page-products #lv-pro:checked ~ .func-table tbody tr:not([data-level="pro"]) {
  display: none;
}

.page-products .func-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 14.5px;
}

.page-products .func-caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .func-table thead th {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-align: left;
  color: var(--bronze);
  padding: 8px 10px;
  border-bottom: 2px solid var(--bronze);
}

.page-products .func-table tbody td,
.page-products .func-table tbody th {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.page-products .func-table tbody td:first-child {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--stone);
  width: 54px;
}

.page-products .func-table tbody th[scope="row"] {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
}

.page-products .func-table tbody tr {
  transition: background-color .16s var(--ease);
}

.page-products .func-table tbody tr:hover {
  background: rgba(201, 162, 39, .16);
}

.page-products .func-table .tag {
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 2px 8px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-products .p-index__foot {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
  display: grid;
  gap: 16px;
}

.page-products .p-index__note {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
  margin: 0;
  max-width: 62ch;
}

/* ============ 桌面 ============ */
@media (min-width: 760px) {
  .page-products .p-hero__grid {
    grid-template-columns: 44fr 56fr;
    gap: 0;
    align-items: stretch;
  }

  .page-products .p-hero__map {
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-left: 0;
    padding: clamp(16px, 2.4vw, 28px);
    justify-content: space-between;
  }

  .page-products .p-hero__lead {
    border-right: 0;
  }

  .page-products .map-panel {
    border: 0;
    padding: 0;
    background: transparent;
  }

  .page-products .line-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .line-card:nth-child(2) {
    transform: translateY(16px);
  }

  .page-products .feat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
  }

  .page-products .feat-list--tight {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1000px) {
  .page-products .p-lines__top {
    grid-template-columns: 1.1fr .9fr;
    gap: 44px;
    align-items: center;
  }

  .page-products .p-ladder__grid {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 32px;
  }

  .page-products .layer-rail {
    position: sticky;
    top: calc(var(--head-h) + 20px);
    align-self: start;
  }

  .page-products .layer-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-products .layer-rail__list a {
    width: 100%;
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
  }

  .page-products .layer--daily .layer__body,
  .page-products .layer--pro .layer__body {
    grid-template-columns: 1.12fr .88fr;
    gap: 26px;
    align-items: start;
  }

  .page-products .p-index__foot {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 24px;
  }
}

/* ============ 移动端表格与细节 ============ */
@media (max-width: 759px) {
  .page-products .func-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .page-products .func-table,
  .page-products .func-table tbody,
  .page-products .func-table tr,
  .page-products .func-table td,
  .page-products .func-table th {
    display: block;
    width: 100%;
  }

  .page-products .func-table tbody tr {
    border: 1px solid var(--line-strong);
    background: var(--paper);
    padding: 10px 14px 12px;
    margin-bottom: 10px;
  }

  .page-products .func-table tbody td,
  .page-products .func-table tbody th {
    border: 0;
    padding: 3px 0;
    width: auto;
  }

  .page-products .func-table tbody th[scope="row"] {
    font-size: 16px;
    margin-bottom: 2px;
  }

  .page-products .func-table tbody td:first-child {
    font-size: 11px;
    color: var(--gold);
    letter-spacing: .1em;
  }

  .page-products .func-table tbody td[data-label]::before {
    content: attr(data-label);
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .1em;
    color: var(--bronze);
    margin-right: 6px;
  }

  .page-products .p-hero__btns .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-products .map-caption {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .line-nav a,
  .page-products .mp-path,
  .page-products .mp-node,
  .page-products .func-table tbody tr,
  .page-products .filter-bar label {
    transition: none;
  }

  .page-products .line-card:nth-child(2) {
    transform: none;
  }
}
<<<END>>>