.page-products {
  --cat-line: rgba(199,210,218,.16);
  --cat-panel: rgba(16,46,71,.66);
  --cat-ink-soft: #3D5163;
  --cat-orange-deep: #B8460D;
}

/* ---------- Hero ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  background: var(--sea-800);
  border-bottom: 1px solid var(--line);
}

.page-products .cat-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-products .cat-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(105deg, var(--sea-900) 30%, rgba(7,19,31,.74) 62%, rgba(7,19,31,.92) 100%);
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  bottom: 0;
  left: 46%;
  width: 2px;
  display: none;
  background: linear-gradient(180deg, transparent, var(--orange), transparent);
  transform: skewX(-18deg);
  opacity: .55;
}

.page-products .cat-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 28px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(30px, 7vw, 64px) var(--gutter) clamp(40px, 7vw, 76px);
}

.page-products .cat-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--mute);
}

.page-products .cat-crumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .cat-crumb a:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-products .cat-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-products .cat-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--orange);
  flex: none;
}

.page-products .cat-head > .cat-kicker {
  margin-top: 0;
}

.page-products .cat-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 8vw, 4.4rem);
  line-height: .98;
  letter-spacing: -.01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-products .cat-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(.94rem, 2.4vw, 1.06rem);
  line-height: 1.78;
  color: var(--silver);
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- Board ---------- */
.page-products .cat-board {
  padding: 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--cat-panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-products .cat-board__head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-products .cat-board__ver {
  margin-left: auto;
  color: var(--orange);
  font-weight: 700;
}

.page-products .cat-board__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-products .cat-board__list li {
  border-left: 2px solid var(--line-strong);
  padding-left: 10px;
}

.page-products .cat-board__n {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--paper);
}

.page-products .cat-board__t {
  display: block;
  margin-top: 6px;
  font-size: .74rem;
  color: var(--mute);
}

/* ---------- Section shells ---------- */
.page-products .cat-sec {
  padding: clamp(46px, 8vw, 92px) 0;
}

.page-products .cat-sec--paper {
  background: var(--paper);
  color: var(--sea-900);
}

.page-products .cat-head {
  max-width: 64ch;
}

.page-products .cat-head__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 4.6vw, 2.9rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-products .cat-sec--paper .cat-head__title {
  color: var(--sea-900);
}

.page-products .cat-head__desc {
  margin: 14px 0 0;
  font-size: .94rem;
  line-height: 1.82;
  color: var(--silver);
}

.page-products .cat-sec--paper .cat-head__desc {
  color: var(--cat-ink-soft);
}

/* ---------- Filter ---------- */
.page-products .cat-filter {
  margin-top: 26px;
}

.page-products .cat-filter__bar {
  position: sticky;
  top: calc(var(--header-h) + 10px);
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(42,74,99,.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.page-products .cat-filter__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .filter-btn {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--silver);
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.page-products .filter-btn:hover {
  border-color: var(--orange);
  color: var(--paper);
}

.page-products .filter-btn[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--sea-900);
  font-weight: 700;
}

.page-products .cat-filter__count {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--mute);
  white-space: nowrap;
}

/* ---------- Tiles ---------- */
.page-products .cat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.page-products .cat-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  border: 1px solid var(--cat-line);
  border-left: 3px solid var(--sea-600);
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, rgba(16,46,71,.88), rgba(11,31,51,.7));
  transition: border-color .25s ease, transform .25s ease;
}

.page-products .cat-tile:hover {
  border-left-color: var(--orange);
  transform: translateY(-2px);
}

.page-products .cat-tile[hidden],
.page-products .cat-tile.is-hidden {
  display: none;
}

.page-products .cat-tile__no {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-products .cat-tile__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.16rem;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-products .cat-tile__desc {
  margin: 0;
  flex: 1;
  font-size: .86rem;
  line-height: 1.72;
  color: var(--silver);
}

.page-products .cat-tile__more {
  align-self: flex-start;
  margin-top: 6px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(53,224,140,.35);
}

.page-products .cat-tile__more:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- H2H ---------- */
.page-products .h2h-layout {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .h2h-cards {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .h2h-card {
  border: 1px solid rgba(11,31,51,.14);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--fog);
}

.page-products .h2h-card summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .h2h-card summary::-webkit-details-marker {
  display: none;
}

.page-products .h2h-card summary::after {
  content: "展开";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--cat-orange-deep);
}

.page-products .h2h-card[open] summary::after {
  content: "收起";
}

.page-products .h2h-card__pair {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: .08em;
  color: var(--sea-900);
}

.page-products .h2h-card__meta {
  font-size: .78rem;
  color: #4A6072;
}

.page-products .h2h-card__body {
  padding: 0 16px 14px;
  overflow-x: auto;
}

.page-products .h2h-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}

.page-products .h2h-table th {
  padding: 6px 8px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: #5A7080;
  border-bottom: 1px solid rgba(11,31,51,.22);
  white-space: nowrap;
}

.page-products .h2h-table td {
  padding: 8px;
  color: var(--sea-900);
  border-bottom: 1px dashed rgba(11,31,51,.16);
  white-space: nowrap;
}

.page-products .h2h-table tbody tr:hover td {
  background: rgba(255,107,44,.1);
}

.page-products .h2h-figure {
  margin: 0;
  min-height: 240px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(11,31,51,.14);
}

.page-products .h2h-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .h2h-note {
  margin: 4px 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: #4A6072;
}

.page-products .h2h-note a {
  color: var(--cat-orange-deep);
}

/* ---------- Rounds ---------- */
.page-products .rounds-figure {
  margin: 24px 0 0;
  max-height: 260px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--cat-line);
}

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

.page-products .round-scroll {
  margin-top: 18px;
  padding-bottom: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}

.page-products .round-track {
  display: flex;
  gap: 12px;
  min-width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .lane {
  flex: 0 0 clamp(168px, 46vw, 220px);
  padding: 14px;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius-sm);
  background: var(--cat-panel);
}

.page-products .lane--now {
  border-color: var(--orange);
  background: linear-gradient(170deg, rgba(255,107,44,.18), rgba(16,46,71,.72));
}

.page-products .lane--next {
  border-color: rgba(242,184,75,.55);
}

.page-products .lane__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-products .lane--now .lane__no {
  color: var(--orange);
}

.page-products .lane__state {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-products .lane--now .lane__state {
  color: var(--orange);
}

.page-products .lane--next .lane__state {
  color: var(--amber);
}

.page-products .lane__items {
  display: grid;
  gap: 6px;
  margin: 12px 0 0;
  padding: 10px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line-strong);
  font-size: .79rem;
  line-height: 1.6;
  color: var(--silver);
}

.page-products .rounds-hint {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--mute);
}

/* ---------- Teams ---------- */
.page-products .teams-layout {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.page-products .teams-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .teams-aside figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(11,31,51,.12);
}

.page-products .teams-aside img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .teams-aside p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.8;
  color: var(--cat-ink-soft);
}

.page-products .team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-products .team-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 12px 10px;
  background: var(--fog);
  border: 1px solid rgba(11,31,51,.12);
  border-radius: var(--radius-sm);
}

.page-products .team-card__code {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: .1em;
  color: var(--sea-900);
}

.page-products .team-card__meta {
  margin: 0;
  font-size: .72rem;
  line-height: 1.5;
  color: #4A6072;
}

.page-products .team-card__link {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--cat-orange-deep);
  text-decoration: none;
}

.page-products .team-card__link:hover {
  text-decoration: underline;
}

/* ---------- Downloads ---------- */
.page-products .dl-lead {
  max-width: 72ch;
  margin: 18px 0 0;
  font-size: .94rem;
  line-height: 1.86;
  color: var(--silver);
}

.page-products .dl-scroll {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius);
}

.page-products .dl-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: .84rem;
}

.page-products .dl-table thead th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--mute);
  background: rgba(16,46,71,.92);
  border-bottom: 1px solid var(--line-strong);
}

.page-products .dl-table tbody td {
  padding: 12px 14px;
  vertical-align: top;
  color: var(--silver);
  border-bottom: 1px solid var(--cat-line);
}

.page-products .dl-table tbody td:first-child {
  border-left: 2px solid transparent;
  color: var(--paper);
  font-weight: 600;
}

.page-products .dl-table tbody tr {
  transition: background .2s ease;
}

.page-products .dl-table tbody tr:hover {
  background: rgba(255,107,44,.08);
}

.page-products .dl-table tbody tr:hover td:first-child {
  border-left-color: var(--orange);
}

.page-products .dl-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .dl-code {
  display: inline-block;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .02em;
  white-space: nowrap;
  color: var(--paper);
  background: rgba(42,74,99,.72);
  border: 1px solid var(--cat-line);
  border-radius: 4px;
}

.page-products .dl-points {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-points li {
  padding: 12px 14px;
  font-size: .84rem;
  line-height: 1.72;
  color: var(--silver);
  background: rgba(16,46,71,.62);
  border-left: 2px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------- Naming ---------- */
.page-products .naming-layout {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .naming-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(11,31,51,.12);
}

.page-products .naming-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .name-block {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--sea-900);
  border: 1px solid rgba(11,31,51,.3);
}

.page-products .name-block__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-products .name-block__label:not(:first-child) {
  margin-top: 16px;
}

.page-products .name-code {
  display: block;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(.8rem, 2.4vw, .96rem);
  letter-spacing: .02em;
  word-break: break-all;
  color: var(--green);
}

.page-products .name-code--ex {
  color: var(--orange);
}

.page-products .field-list {
  display: grid;
  gap: 2px;
  margin: 18px 0 0;
}

.page-products .field-list__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(11,31,51,.16);
}

.page-products .field-list dt {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--cat-orange-deep);
}

.page-products .field-list dd {
  margin: 0;
  font-size: .83rem;
  line-height: 1.7;
  color: var(--cat-ink-soft);
}

.page-products .naming-note {
  margin: 16px 0 0;
  font-size: .84rem;
  line-height: 1.8;
  color: var(--cat-ink-soft);
}

/* ---------- Scenes ---------- */
.page-products .scene-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-products .scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 22px;
  border: 1px solid var(--cat-line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(16,46,71,.9), rgba(7,19,31,.62));
}

.page-products .scene__step {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--green);
}

.page-products .scene__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.2;
  color: var(--paper);
}

.page-products .scene__text {
  margin: 0;
  flex: 1;
  font-size: .85rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-products .scene__link {
  align-self: flex-start;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .06em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,107,44,.4);
}

.page-products .scene__link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- CTA ---------- */
.page-products .cat-cta {
  background: linear-gradient(100deg, var(--sea-900), var(--sea-700));
  border-top: 1px solid var(--line);
}

.page-products .cat-cta__inner {
  display: grid;
  gap: 18px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(40px, 7vw, 72px) var(--gutter);
}

.page-products .cat-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.1;
  color: var(--paper);
  text-wrap: balance;
}

.page-products .cat-cta__desc {
  max-width: 60ch;
  margin: 12px 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-products .cat-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Breakpoints ---------- */
@media (min-width: 620px) {
  .page-products .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-products .dl-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .cat-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 40px;
  }
}

@media (min-width: 880px) {
  .page-products .scene-grid {
    grid-template-columns: 1.15fr .95fr .95fr;
  }
}

@media (min-width: 900px) {
  .page-products .h2h-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, .72fr);
    align-items: start;
  }

  .page-products .teams-layout {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }

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

  .page-products .naming-layout {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .cat-hero__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: end;
    gap: 40px;
  }

  .page-products .cat-hero::before {
    display: block;
  }
}

@media (min-width: 1024px) {
  .page-products .cat-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-flow: dense;
    gap: 14px;
  }

  .page-products .cat-tile {
    grid-column: span 3;
  }

  .page-products .cat-tile--4 {
    grid-column: span 4;
  }

  .page-products .cat-tile--6 {
    grid-column: span 6;
  }

  .page-products .cat-chip {
    padding: 8px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-tile,
  .page-products .filter-btn,
  .page-products .dl-table tbody tr {
    transition: none;
  }

  .page-products .cat-tile:hover {
    transform: none;
  }
}
<<<END>>>