.page-products {
  --exp-radius: var(--radius-card);
  --exp-line-soft: rgba(169, 188, 205, .12);
}

/* ---------- 首屏 ---------- */
.page-products .exp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 4vw, 28px) 0 clamp(40px, 7vw, 76px);
  background: var(--ink);
}

.page-products .exp-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 56%;
  height: 100%;
  background: var(--panel);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .8;
  pointer-events: none;
}

.page-products .exp-hero-inner {
  position: relative;
  z-index: 1;
}

.page-products .exp-hero .crumbs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}

.page-products .exp-hero .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--stone);
}

.page-products .exp-hero .crumbs a {
  color: var(--steel);
  text-decoration: none;
}

.page-products .exp-hero .crumbs a:hover {
  color: var(--mint);
}

.page-products .exp-hero-grid {
  display: grid;
  gap: clamp(24px, 5vw, 40px);
  margin-top: clamp(20px, 4vw, 34px);
}

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

.page-products .exp-hero h1 {
  margin: 0;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--warm);
}

.page-products .lede {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.78;
  color: var(--steel);
}

.page-products .exp-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  font-size: 14px;
  color: var(--steel);
}

.page-products .exp-facts .mono {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--orange);
  margin-right: 6px;
}

.page-products .exp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .exp-hero-panel {
  background: rgba(11, 27, 43, .82);
  border: 1px solid var(--line);
  border-radius: var(--exp-radius);
  padding: 18px;
}

.page-products .exp-panel-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel);
}

.page-products .exp-panel-title .mono {
  color: var(--mint);
  font-size: 11px;
}

.page-products .exp-panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .exp-panel-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--exp-line-soft);
  font-size: 15px;
  color: var(--warm);
}

.page-products .exp-panel-list .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-products .exp-panel-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
}

.page-products .exp-panel-foot {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 版式骨架 ---------- */
.page-products .exp-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(32px, 6vw, 60px);
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-products .exp-content {
  min-width: 0;
}

.page-products .exp-toc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--exp-radius);
  padding: 14px 16px;
}

.page-products .exp-toc .toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--stone);
}

.page-products .exp-toc .toc-list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
}

.page-products .exp-toc .toc-link {
  display: block;
  white-space: nowrap;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--steel);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .exp-toc .toc-link:hover,
.page-products .exp-toc .toc-link:focus-visible {
  color: var(--mint);
  border-color: var(--mint-line);
}

.page-products .exp-toc .toc-link.is-active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

/* ---------- 章节通用 ---------- */
.page-products .exp-sec + .exp-sec {
  margin-top: clamp(40px, 7vw, 74px);
  padding-top: clamp(28px, 5vw, 46px);
  border-top: 1px solid var(--line);
}

.page-products .exp-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-products .exp-sec h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 4.6vw, 38px);
  line-height: 1.14;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--warm);
}

.page-products .exp-sec-lede {
  margin: 0 0 22px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--steel);
}

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

.page-products .exp-figure .img-frame {
  border: 1px solid var(--line);
  border-radius: var(--exp-radius);
  overflow: hidden;
  background: var(--panel);
}

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

.page-products .exp-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 筛选胶囊 ---------- */
.page-products .exp-filter {
  position: relative;
}

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

.page-products .exp-filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 6px;
  overflow-x: auto;
}

.page-products .exp-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-size: 14px;
  white-space: nowrap;
  color: var(--steel);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .exp-chip .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

.page-products .exp-chip:hover {
  border-color: var(--mint-line);
  color: var(--warm);
}

.page-products #cf01:checked ~ .exp-filter-bar .exp-chip:nth-child(1),
.page-products #cf02:checked ~ .exp-filter-bar .exp-chip:nth-child(2),
.page-products #cf03:checked ~ .exp-filter-bar .exp-chip:nth-child(3),
.page-products #cf04:checked ~ .exp-filter-bar .exp-chip:nth-child(4),
.page-products #cf05:checked ~ .exp-filter-bar .exp-chip:nth-child(5),
.page-products #cf06:checked ~ .exp-filter-bar .exp-chip:nth-child(6) {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

.page-products #cf01:checked ~ .exp-filter-bar .exp-chip:nth-child(1) .mono,
.page-products #cf02:checked ~ .exp-filter-bar .exp-chip:nth-child(2) .mono,
.page-products #cf03:checked ~ .exp-filter-bar .exp-chip:nth-child(3) .mono,
.page-products #cf04:checked ~ .exp-filter-bar .exp-chip:nth-child(4) .mono,
.page-products #cf05:checked ~ .exp-filter-bar .exp-chip:nth-child(5) .mono,
.page-products #cf06:checked ~ .exp-filter-bar .exp-chip:nth-child(6) .mono {
  color: var(--ink);
}

.page-products #cf01:focus-visible ~ .exp-filter-bar .exp-chip:nth-child(1),
.page-products #cf02:focus-visible ~ .exp-filter-bar .exp-chip:nth-child(2),
.page-products #cf03:focus-visible ~ .exp-filter-bar .exp-chip:nth-child(3),
.page-products #cf04:focus-visible ~ .exp-filter-bar .exp-chip:nth-child(4),
.page-products #cf05:focus-visible ~ .exp-filter-bar .exp-chip:nth-child(5),
.page-products #cf06:focus-visible ~ .exp-filter-bar .exp-chip:nth-child(6) {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-products .exp-panel {
  display: none;
}

.page-products #cf01:checked ~ .exp-panels [data-panel="cf01"],
.page-products #cf02:checked ~ .exp-panels [data-panel="cf02"],
.page-products #cf03:checked ~ .exp-panels [data-panel="cf03"],
.page-products #cf04:checked ~ .exp-panels [data-panel="cf04"],
.page-products #cf05:checked ~ .exp-panels [data-panel="cf05"],
.page-products #cf06:checked ~ .exp-panels [data-panel="cf06"] {
  display: block;
}

.page-products .exp-panel-meta {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone);
}

/* ---------- 对照表 ---------- */
.page-products .exp-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--exp-radius);
  background: var(--panel);
}

.page-products .exp-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .exp-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 12px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  white-space: nowrap;
  color: var(--steel);
  background: #0e2338;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .exp-table td {
  padding: 11px 14px;
  vertical-align: top;
  color: var(--warm);
  border-bottom: 1px solid var(--exp-line-soft);
  line-height: 1.6;
}

.page-products .exp-table tbody tr:nth-child(even) {
  background: rgba(169, 188, 205, .04);
}

.page-products .exp-table tbody tr:hover {
  background: rgba(127, 227, 196, .08);
}

.page-products .exp-table td.mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--orange);
  white-space: nowrap;
}

.page-products .exp-table .t-path {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mint);
}

/* ---------- 目录卡 ---------- */
.page-products .exp-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .exp-dircard {
  position: relative;
  padding: 22px 18px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--exp-radius);
}

.page-products .exp-dircard:hover {
  border-color: var(--mint-line);
}

.page-products .exp-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 3px 10px;
  border: 1px solid var(--orange);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-products .exp-dircard h3 {
  margin: 0 0 8px;
  font-size: 19px;
  color: var(--warm);
  padding-right: 52px;
}

.page-products .exp-dircard p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .exp-dircard dl {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-products .exp-dircard dl > div {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 10px;
  align-items: baseline;
}

.page-products .exp-dircard dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--stone);
}

.page-products .exp-dircard dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--warm);
}

/* ---------- 层级变化 ---------- */
.page-products .exp-compare {
  display: grid;
  gap: 14px;
  margin: 0 0 24px;
}

.page-products .exp-col {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--exp-radius);
}

.page-products .exp-col.is-now {
  background: rgba(127, 227, 196, .07);
  border-color: var(--mint-line);
}

.page-products .exp-col h3 {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-products .exp-col.is-now h3 {
  color: var(--mint);
}

.page-products .exp-steps-mini {
  display: grid;
  gap: 9px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
  color: var(--warm);
}

.page-products .exp-steps-mini li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: baseline;
}

.page-products .exp-steps-mini .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stone);
}

.page-products .exp-col.is-now .mono {
  color: var(--mint);
}

.page-products .exp-points {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-products .exp-points li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.page-products .exp-points .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  line-height: 1.7;
}

.page-products .exp-points p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--warm);
}

.page-products .exp-inline-link {
  margin: 0;
  font-size: 14px;
}

.page-products .exp-inline-link a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--mint-line);
  padding-bottom: 2px;
}

.page-products .exp-inline-link a:hover {
  color: var(--warm);
}

/* ---------- 三步定位条 ---------- */
.page-products .exp-locate .step-strip {
  display: flex;
  gap: 14px;
  margin: 0 0 24px;
  padding-bottom: 8px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

.page-products .exp-locate .step {
  flex: 0 0 84%;
  scroll-snap-align: center;
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--exp-radius);
}

.page-products .exp-locate .step .mono {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-products .exp-locate .step h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--warm);
}

.page-products .exp-locate .step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .exp-step-out {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
}

/* ---------- 回访笔记 ---------- */
.page-products .exp-note {
  display: grid;
  gap: 20px;
}

.page-products .exp-note-lines {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .exp-note-lines li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 13px 15px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.page-products .exp-note-lines .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-products .exp-note-lines span:last-child {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--warm);
}

.page-products .exp-note-fig {
  margin: 0;
}

.page-products .exp-note-fig .img-frame {
  border: 1px solid var(--line);
  border-radius: var(--exp-radius);
  overflow: hidden;
  background: var(--panel);
}

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

.page-products .exp-note-fig figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--stone);
}

.page-products .exp-tip {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 106, 43, .08);
  border-radius: 0 12px 12px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm);
}

/* ---------- 疑难入口 ---------- */
.page-products .exp-esc {
  display: grid;
  gap: 14px;
}

.page-products .exp-esc-card {
  display: block;
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--exp-radius);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .exp-esc-card:hover,
.page-products .exp-esc-card:focus-visible {
  border-color: var(--mint-line);
  background: rgba(127, 227, 196, .06);
}

.page-products .exp-esc-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--warm);
}

.page-products .exp-esc-card p {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .exp-esc-go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mint);
}

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

  .page-products .exp-compare {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .exp-esc {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .exp-locate .step {
    flex: 1 1 0;
  }
}

@media (min-width: 900px) {
  .page-products .exp-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-products .exp-hero-panel {
    margin-top: 12px;
  }

  .page-products .exp-note {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .exp-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .exp-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }

  .page-products .exp-content {
    grid-column: 1;
    grid-row: 1;
  }

  .page-products .exp-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 96px;
  }

  .page-products .exp-toc .toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-products .exp-toc .toc-link {
    padding: 8px 10px;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
  }

  .page-products .exp-toc .toc-link.is-active {
    background: transparent;
    border-left-color: var(--orange);
    color: var(--orange);
  }
}

@media (max-width: 719px) {
  .page-products .exp-hero::after {
    width: 70%;
    opacity: .55;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .exp-chip,
  .page-products .exp-toc .toc-link,
  .page-products .exp-esc-card {
    transition: none;
  }
}
<<<END>>>