.page-products {
  --pp-gap: clamp(44px, 5.6vw, 84px);
  --pp-pad: clamp(18px, 2.4vw, 34px);
  background: var(--ink-deep);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.06;
  margin: 0;
}

.page-products p {
  margin: 0;
}

.page-products a:focus-visible,
.page-products summary:focus-visible,
.page-products [tabindex="0"]:focus-visible,
.page-products .ledger__filters input:focus-visible + .fchip {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.page-products .breadcrumbs {
  padding-top: clamp(12px, 1.8vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-products .ph {
  position: relative;
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
  padding-block: clamp(24px, 3.8vw, 52px) clamp(44px, 6vw, 88px);
  isolation: isolate;
}

.page-products .ph::before {
  content: "";
  position: absolute;
  inset: -14% -8% auto -14%;
  height: min(56%, 440px);
  background: linear-gradient(108deg, var(--ink-moss) 0%, rgba(18, 48, 40, 0.35) 46%, transparent 76%);
  clip-path: polygon(0 0, 100% 0, 86% 100%, 0 78%);
  z-index: -1;
  pointer-events: none;
}

.page-products .ph__title {
  font-size: clamp(34px, 7.4vw, 92px);
  line-height: 0.96;
  margin-block: clamp(14px, 1.8vw, 22px) clamp(16px, 2vw, 26px);
  text-wrap: balance;
}

.page-products .ph__title em {
  font-style: normal;
  color: var(--amber);
  display: inline-block;
  border-bottom: 4px solid var(--line-struct);
  padding-bottom: 2px;
}

.page-products .ph__lead {
  max-width: 48ch;
  color: var(--mist);
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.78;
}

.page-products .ph__jump {
  list-style: none;
  margin: clamp(20px, 2.6vw, 32px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .ph__jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-struct);
  color: var(--paper);
  text-decoration: none;
  font-size: 13px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .ph__jump a .mono {
  color: var(--amber);
  font-size: 11.5px;
}

.page-products .ph__jump a:hover {
  border-color: var(--amber);
  background: var(--ink-panel);
  color: var(--amber-soft);
}

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

.page-products .ph__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-struct);
}

.page-products .ph__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--line-dim);
  line-height: 1.6;
}

/* ---------- 章节通用 ---------- */
.page-products .ov,
.page-products .setup,
.page-products .ledger,
.page-products .dl,
.page-products .matrix,
.page-products .evo,
.page-products .next {
  padding-block: var(--pp-gap);
  border-top: 1px solid var(--line-struct);
}

.page-products .sec-head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 3vw, 42px);
}

.page-products .sec-head h2 {
  font-size: clamp(25px, 3.5vw, 44px);
  margin-block: 10px 12px;
}

.page-products .sec-head__lead {
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.78;
  max-width: 58ch;
}

.page-products .sec-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-products .sec-head .eyebrow .mono {
  color: var(--cyan);
}

/* ---------- 总览 ---------- */
.page-products .ov__grid {
  display: grid;
  gap: 1px;
  background: var(--line-struct);
  border: 1px solid var(--line-struct);
}

.page-products .ov__item {
  display: block;
  padding: var(--pp-pad);
  background: var(--ink-panel);
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}

.page-products .ov__item:hover {
  background: var(--ink-moss);
}

.page-products .ov__num {
  display: block;
  color: var(--amber);
  font-size: 12.5px;
  margin-bottom: 14px;
}

.page-products .ov__name {
  font-size: 18px;
  margin-bottom: 8px;
}

.page-products .ov__desc {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.68;
}

/* ---------- 账户设置 ---------- */
.page-products .setup__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 52px);
}

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

.page-products .setup__figure img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  border: 1px solid var(--line-struct);
}

.page-products .setup__figure figcaption {
  margin-top: 10px;
  max-width: 34ch;
  font-size: 12.5px;
  color: var(--line-dim);
  line-height: 1.65;
}

.page-products .setup__body .lead {
  color: var(--mist);
  font-size: 16px;
  line-height: 1.82;
  max-width: 56ch;
  margin-bottom: clamp(18px, 2.2vw, 28px);
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-products .steps__item {
  border-top: 1px solid var(--line-struct);
}

.page-products .steps__item:last-child {
  border-bottom: 1px solid var(--line-struct);
}

.page-products .steps__d summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 30px 16px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

.page-products .steps__d summary::-webkit-details-marker {
  display: none;
}

.page-products .steps__d summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--amber);
}

.page-products .steps__d[open] summary::after {
  content: "−";
}

.page-products .steps__d summary:hover {
  color: var(--amber-soft);
}

.page-products .steps__idx {
  color: var(--amber);
  font-size: 11.5px;
  flex: 0 0 auto;
}

.page-products .steps__t {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  letter-spacing: -0.01em;
}

.page-products .steps__c {
  padding: 0 30px 20px 26px;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.78;
}

/* ---------- 两步订阅 ---------- */
.page-products .sub {
  position: relative;
  margin-top: var(--pp-gap);
  border-block: 1px solid var(--line-struct);
  background: var(--ink-panel);
  overflow: hidden;
}

.page-products .sub__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-products .sub__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
}

.page-products .sub__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(34px, 4.8vw, 68px);
}

.page-products .sub__flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .sub__node {
  border: 1px solid var(--line-struct);
  background: rgba(6, 18, 15, 0.78);
  padding: clamp(18px, 2.3vw, 30px);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .sub__node:hover,
.page-products .sub__node:focus-visible {
  border-color: var(--amber);
  transform: translateY(-3px);
}

.page-products .sub__step {
  display: block;
  color: var(--cyan);
  font-size: 11.5px;
  margin-bottom: 12px;
}

.page-products .sub__node h3 {
  font-size: clamp(18px, 1.9vw, 23px);
  margin-bottom: 10px;
}

.page-products .sub__node p {
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-products .sub__arrow {
  display: none;
}

.page-products .sub__note {
  margin-top: clamp(18px, 2.2vw, 26px);
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
  max-width: 70ch;
}

/* ---------- 记录明细 ---------- */
.page-products .ledger__head {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-bottom: clamp(20px, 2.8vw, 36px);
}

.page-products .ledger__head .sec-head {
  margin-bottom: 0;
}

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

.page-products .ledger__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-struct);
}

.page-products .ledger__filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 0 0 14px;
}

.page-products .ledger__flabel {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--line-dim);
  margin-right: 4px;
}

.page-products .fchip {
  display: inline-flex;
  align-items: center;
  padding: 6px 15px;
  border: 1px solid var(--line-struct);
  color: var(--mist);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .fchip:hover {
  border-color: var(--amber);
  color: var(--paper);
}

.page-products .ledger__filters input:checked + .fchip {
  background: var(--ink-moss);
  border-color: var(--amber);
  color: var(--paper);
}

.page-products .ledger__panel:has(#lf-in:checked) .ledger__row:not([data-type="in"]),
.page-products .ledger__panel:has(#lf-adj:checked) .ledger__row:not([data-type="adj"]),
.page-products .ledger__panel:has(#lf-out:checked) .ledger__row:not([data-type="out"]) {
  display: none;
}

.page-products .ledger__scroll {
  overflow-x: auto;
  border: 1px solid var(--line-struct);
  background: var(--ink-panel);
}

.page-products .ledger__table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .ledger__table th,
.page-products .ledger__table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line-struct);
  white-space: nowrap;
}

.page-products .ledger__table thead th {
  background: var(--ink-moss);
  color: var(--line-dim);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.page-products .ledger__table td.num,
.page-products .ledger__table th.num {
  text-align: right;
}

.page-products .ledger__time {
  font-weight: 500;
  color: var(--paper);
}

.page-products .ledger__table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .ledger__table tbody tr:hover {
  background: var(--ink-moss);
}

.page-products .ledger__table tbody tr:last-child th,
.page-products .ledger__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .tag--dim {
  background: transparent;
  border: 1px solid var(--line-dim);
  color: var(--line-dim);
}

.page-products .ledger__hint {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--line-dim);
  max-width: 76ch;
}

/* ---------- 资料下载 ---------- */
.page-products .dl__grid {
  display: grid;
  gap: 1px;
  background: var(--line-struct);
  border: 1px solid var(--line-struct);
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-products .dl__card {
  background: var(--ink-panel);
  padding: var(--pp-pad);
  transition: background var(--dur) var(--ease);
}

.page-products .dl__card:hover {
  background: var(--ink-moss);
}

.page-products .dl__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 28px;
  padding: 0 8px;
  border: 1px solid var(--line-struct);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.page-products .dl__card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.page-products .dl__card p {
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products .dl__meta {
  margin-top: 14px;
  font-size: 11.5px;
  color: var(--line-dim);
  opacity: 0.68;
  transition: opacity var(--dur) var(--ease);
}

.page-products .dl__card:hover .dl__meta {
  opacity: 1;
}

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

.page-products .dl__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-struct);
}

/* ---------- 栏目矩阵 ---------- */
.page-products .matrix__scroll {
  overflow-x: auto;
  border: 1px solid var(--line-struct);
  background: var(--ink-panel);
}

.page-products .matrix__table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .matrix__table th,
.page-products .matrix__table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-struct);
}

.page-products .matrix__table thead th {
  background: var(--ink-moss);
  color: var(--line-dim);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.page-products .matrix__table tbody th {
  color: var(--amber-soft);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .matrix__table tbody td {
  color: var(--mist);
  line-height: 1.65;
}

.page-products .matrix__table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .matrix__table tbody tr:hover {
  background: var(--ink-moss);
}

.page-products .matrix__table tbody tr:last-child th,
.page-products .matrix__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .matrix__note {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--line-dim);
  max-width: 76ch;
}

/* ---------- 功能演进 ---------- */
.page-products .evo__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-struct);
}

.page-products .evo__item {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.1vw, 26px) 0;
  border-bottom: 1px solid var(--line-struct);
}

.page-products .evo__ver {
  color: var(--cyan);
  font-size: 12.5px;
}

.page-products .evo__item h3 {
  font-size: 17.5px;
  margin-bottom: 8px;
}

.page-products .evo__item p {
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.78;
  max-width: 64ch;
}

/* ---------- 后续入口 ---------- */
.page-products .next__title {
  font-size: clamp(19px, 2.3vw, 27px);
  margin-bottom: 20px;
}

.page-products .next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-struct);
  border: 1px solid var(--line-struct);
}

.page-products .next__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 20px;
  background: var(--ink-panel);
  color: var(--paper);
  text-decoration: none;
  font-size: 14.5px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .next__list a:hover {
  background: var(--ink-moss);
  color: var(--amber-soft);
}

.page-products .next__list a .mono {
  color: var(--amber);
}

/* ---------- 显现协议 ---------- */
.page-products [data-reveal].is-pending {
  opacity: 0;
  transform: translateY(14px);
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .ov__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .evo__item {
    grid-template-columns: 72px minmax(0, 1fr);
    align-items: start;
    gap: 0 22px;
  }

  .page-products .evo__ver {
    padding-top: 3px;
  }

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

@media (min-width: 900px) {
  .page-products .ph {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-products .ph__figure {
    transform: translateY(18px);
  }

  .page-products .setup__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    gap: clamp(28px, 3.6vw, 56px);
  }

  .page-products .ledger__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-products .ledger__table th:first-child,
  .page-products .ledger__table td:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--ink-panel);
  }

  .page-products .ledger__table thead th:first-child {
    background: var(--ink-moss);
  }

  .page-products .ledger__table tbody tr:hover th:first-child {
    background: var(--ink-moss);
  }
}

@media (min-width: 820px) {
  .page-products .sub__flow {
    grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .sub__arrow {
    display: grid;
    place-items: center;
  }

  .page-products .sub__arrow span {
    position: relative;
    display: block;
    width: 100%;
    height: 1px;
    background: var(--amber);
  }

  .page-products .sub__arrow span::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    width: 8px;
    height: 8px;
    border-top: 1px solid var(--amber);
    border-right: 1px solid var(--amber);
    transform: translateY(-50%) rotate(45deg);
  }
}

@media (min-width: 1080px) {
  .page-products .ov__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .dl__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-products [data-reveal].is-pending {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>