.page-products {
  --prod-hair: rgba(226, 213, 188, 0.18);
  --prod-hair-strong: rgba(226, 213, 188, 0.34);
  --prod-ink-text: #16201c;
  padding-bottom: 88px;
}

.page-products .page-shell {
  max-width: var(--se-maxw);
  margin: 0 auto;
  padding: 0 var(--se-gutter);
}

.page-products .page-grid {
  display: grid;
  gap: 40px;
  align-items: start;
}

.page-products .page-main {
  min-width: 0;
}

/* ---------- 左侧章节索引 ---------- */
.page-products .page-aside {
  min-width: 0;
}

.page-products .aside-tip {
  margin: 0 0 14px;
  font-family: var(--se-mono);
  font-size: var(--se-fs-12);
  letter-spacing: 0.14em;
  color: var(--se-gold);
  text-transform: uppercase;
}

.page-products .aside-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  border-top: 1px solid var(--prod-hair);
  padding-top: 14px;
}

.page-products .aside-link {
  display: block;
  padding: 4px 0;
  font-family: var(--se-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--se-neutral);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--se-ease), border-color 0.2s var(--se-ease);
}

.page-products .aside-link:hover,
.page-products .aside-link:focus-visible {
  color: var(--se-warm-white);
  border-bottom-color: var(--se-cinnabar);
}

.page-products .aside-cta {
  display: inline-block;
  font-size: 13px;
  color: var(--se-blue);
  text-decoration: none;
  border-bottom: 1px dashed rgba(110, 140, 160, 0.6);
  padding-bottom: 2px;
}

.page-products .aside-cta:hover,
.page-products .aside-cta:focus-visible {
  color: var(--se-warm-white);
  border-bottom-color: var(--se-warm-white);
}

/* ---------- 首屏 ---------- */
.page-products .opening {
  padding-bottom: 8px;
}

.page-products .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--se-mono);
  font-size: var(--se-fs-12);
  color: var(--se-neutral);
  margin-bottom: 26px;
}

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

.page-products .crumb a:hover,
.page-products .crumb a:focus-visible {
  color: var(--se-warm-white);
  border-bottom-color: var(--se-gold);
}

.page-products .crumb__sep {
  color: rgba(143, 163, 155, 0.5);
}

.page-products .opening__mark {
  margin: 0 0 16px;
  font-family: var(--se-mono);
  font-size: var(--se-fs-12);
  letter-spacing: 0.2em;
  color: var(--se-cinnabar);
}

.page-products .opening__title {
  margin: 0 0 20px;
  font-family: var(--se-serif);
  font-weight: 800;
  font-size: 34px;
  line-height: 1.24;
  letter-spacing: 0.02em;
  color: var(--se-warm-white);
  max-width: 20ch;
}

.page-products .opening__lead {
  margin: 0 0 28px;
  font-size: var(--se-fs-16);
  line-height: 1.8;
  color: rgba(247, 241, 228, 0.86);
  max-width: 62ch;
}

.page-products .stamp-band {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 14px 18px;
  margin-bottom: 30px;
  border: 1px dashed rgba(217, 160, 60, 0.55);
  background: linear-gradient(100deg, rgba(217, 160, 60, 0.14), rgba(200, 50, 43, 0.1) 70%, rgba(14, 26, 22, 0));
  border-radius: 2px;
}

.page-products .stamp-band::before,
.page-products .stamp-band::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -4.5px;
  border-radius: 50%;
  background: var(--se-ink);
  border: 1px solid rgba(217, 160, 60, 0.35);
}

.page-products .stamp-band::before {
  left: -5px;
}

.page-products .stamp-band::after {
  right: -5px;
}

.page-products .stamp-band__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--se-ink);
  background: var(--se-gold);
  padding: 4px 10px;
  border-radius: 2px;
  white-space: nowrap;
}

.page-products .stamp-band__note {
  flex: 1 1 220px;
  font-size: var(--se-fs-14);
  line-height: 1.7;
  color: rgba(247, 241, 228, 0.84);
}

/* ---------- 图片位 ---------- */
.page-products .plate-figure {
  margin: 0;
  border: 1px solid var(--prod-hair);
  border-radius: 2px;
  background: var(--se-ink-layer);
  overflow: hidden;
}

.page-products .plate-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .plate-figure--banner img {
  aspect-ratio: 16 / 9;
}

.page-products .plate-figure--narrow img {
  aspect-ratio: 16 / 9;
}

/* ---------- 章节骨架 ---------- */
.page-products .chapter {
  padding: 48px 0 8px;
  border-top: 1px solid var(--prod-hair);
  margin-top: 44px;
  scroll-margin-top: 96px;
}

.page-products .chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-products .chapter__num {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--se-cinnabar);
  letter-spacing: -0.02em;
}

.page-products .chapter__title {
  margin: 0;
  font-family: var(--se-serif);
  font-weight: 700;
  font-size: var(--se-fs-28);
  line-height: 1.3;
  color: var(--se-warm-white);
  letter-spacing: 0.01em;
}

.page-products .chapter__body > p {
  margin: 0 0 18px;
  font-size: var(--se-fs-16);
  line-height: 1.8;
  color: rgba(247, 241, 228, 0.8);
  max-width: 66ch;
}

.page-products .chapter__lead {
  font-family: var(--se-serif);
  font-size: var(--se-fs-20);
  line-height: 1.6;
  color: var(--se-warm-white) !important;
  max-width: 30ch;
}

.page-products .link-inline {
  color: var(--se-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 160, 60, 0.5);
}

.page-products .link-inline:hover,
.page-products .link-inline:focus-visible {
  color: var(--se-warm-white);
  border-bottom-color: var(--se-warm-white);
}

.page-products .mono {
  font-family: var(--se-mono);
}

/* ---------- 01 取用顺序 ---------- */
.page-products .order-flow {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-products .order-step {
  position: relative;
  padding: 16px 18px 16px 20px;
  background: var(--se-ink-layer);
  border-left: 2px solid var(--se-gold);
  border-radius: 2px;
}

.page-products .order-step:nth-child(2) {
  border-left-color: var(--se-blue);
}

.page-products .order-step:nth-child(3) {
  border-left-color: var(--se-cinnabar);
}

.page-products .order-step:nth-child(4) {
  border-left-color: var(--prod-hair-strong);
}

.page-products .order-step__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--se-neutral);
  margin-bottom: 6px;
}

.page-products .order-step__title {
  margin: 0 0 6px;
  font-family: var(--se-serif);
  font-size: var(--se-fs-20);
  font-weight: 700;
  color: var(--se-warm-white);
}

.page-products .order-step__text {
  margin: 0;
  font-size: var(--se-fs-14);
  line-height: 1.75;
  color: rgba(247, 241, 228, 0.76);
}

.page-products .archive-meter {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.page-products .meter-seg {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 2px;
  border-bottom: 3px solid transparent;
  background: var(--se-ink-layer);
}

.page-products .meter-seg--gold {
  border-bottom-color: var(--se-gold);
}

.page-products .meter-seg--blue {
  border-bottom-color: var(--se-blue);
}

.page-products .meter-seg--seal {
  border-bottom-color: var(--se-cinnabar);
}

.page-products .meter-seg--plain {
  border-bottom-color: var(--se-paper-deep);
}

.page-products .meter-seg__num {
  font-size: var(--se-fs-20);
  font-weight: 700;
  color: var(--se-warm-white);
  line-height: 1;
}

.page-products .meter-seg__name {
  font-size: 13px;
  color: rgba(247, 241, 228, 0.7);
}

.page-products .meter-foot {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--se-neutral);
}

/* ---------- 02 四类归档 ---------- */
.page-products .archive-list {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.page-products .archive-item {
  display: grid;
  gap: 18px;
  padding: 22px 20px;
  background: rgba(22, 40, 31, 0.72);
  border: 1px solid var(--prod-hair);
  border-radius: 2px;
}

.page-products .archive-item__body {
  min-width: 0;
}

.page-products .archive-item__tag {
  margin-bottom: 12px;
}

.page-products .tag {
  display: inline-block;
  font-family: var(--se-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid transparent;
}

.page-products .tag--gold {
  color: var(--se-gold);
  border-color: rgba(217, 160, 60, 0.55);
  background: rgba(217, 160, 60, 0.1);
}

.page-products .tag--blue {
  color: var(--se-blue);
  border-color: rgba(110, 140, 160, 0.55);
  background: rgba(110, 140, 160, 0.12);
}

.page-products .tag--seal {
  color: #e2827c;
  border-color: rgba(200, 50, 43, 0.55);
  background: rgba(200, 50, 43, 0.12);
}

.page-products .tag--plain {
  color: var(--se-paper-deep);
  border-color: rgba(226, 213, 188, 0.4);
  background: rgba(226, 213, 188, 0.08);
}

.page-products .archive-item__title {
  margin: 0 0 12px;
  font-family: var(--se-serif);
  font-size: var(--se-fs-20);
  font-weight: 700;
  line-height: 1.45;
  color: var(--se-warm-white);
}

.page-products .archive-item__text {
  margin: 0 0 10px;
  font-size: var(--se-fs-14);
  line-height: 1.8;
  color: rgba(247, 241, 228, 0.78);
}

.page-products .archive-item__scene {
  margin: 0;
  font-size: var(--se-fs-14);
  line-height: 1.8;
  color: rgba(143, 163, 155, 0.95);
  padding-left: 12px;
  border-left: 2px solid rgba(217, 160, 60, 0.45);
}

/* ---------- 03 索引与筛选 ---------- */
.page-products .filter-zone {
  position: relative;
  margin-top: 22px;
}

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

.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--prod-hair);
}

.page-products .filter-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--se-neutral);
  padding: 6px 10px;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.18s var(--se-ease), border-color 0.18s var(--se-ease);
}

.page-products .filter-label:hover {
  color: var(--se-warm-white);
}

.page-products .filter-input:focus-visible ~ .filter-bar .filter-label {
  outline: 1px dashed rgba(217, 160, 60, 0.7);
  outline-offset: 2px;
}

.page-products #res-all:checked ~ .filter-bar .filter-label[for="res-all"],
.page-products #res-rank:checked ~ .filter-bar .filter-label[for="res-rank"],
.page-products #res-room:checked ~ .filter-bar .filter-label[for="res-room"],
.page-products #res-review:checked ~ .filter-bar .filter-label[for="res-review"],
.page-products #res-match:checked ~ .filter-bar .filter-label[for="res-match"] {
  color: var(--se-warm-white);
  border-bottom-color: var(--se-cinnabar);
}

.page-products #res-rank:checked ~ .deck .case-card:not([data-cat="rank"]),
.page-products #res-room:checked ~ .deck .case-card:not([data-cat="room"]),
.page-products #res-review:checked ~ .deck .case-card:not([data-cat="review"]),
.page-products #res-match:checked ~ .deck .case-card:not([data-cat="match"]) {
  display: none;
}

.page-products .deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 18px 18px 16px;
  background: var(--se-paper);
  color: var(--prod-ink-text);
  border: 1px solid var(--se-paper-deep);
  border-left: 3px solid var(--se-gold);
  border-radius: 2px;
  box-shadow: 0 8px 0 -5px rgba(8, 13, 11, 0.45), 0 14px 26px rgba(8, 13, 11, 0.32);
}

.page-products .case-card__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--se-cinnabar);
}

.page-products .case-card__name {
  margin: 0;
  font-family: var(--se-serif);
  font-size: var(--se-fs-16);
  font-weight: 700;
  line-height: 1.45;
  color: var(--prod-ink-text);
}

.page-products .case-card__use {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(22, 32, 28, 0.78);
}

.page-products .case-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(22, 32, 28, 0.22);
  width: 100%;
  font-size: 11px;
  color: rgba(22, 32, 28, 0.62);
}

.page-products .case-card__meta-item {
  white-space: nowrap;
}

.page-products .case-card[data-cat="room"] {
  border-left-color: var(--se-blue);
}

.page-products .case-card[data-cat="review"] {
  border-left-color: var(--se-cinnabar);
}

.page-products .case-card[data-cat="match"] {
  border-left-color: #a08d6b;
}

.page-products .case-card[data-cat="room"] .case-card__num {
  color: #3f6376;
}

.page-products .case-card[data-cat="match"] .case-card__num {
  color: #6b5533;
}

.page-products .case-card .tag {
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 2px 7px;
}

.page-products .case-card .tag--gold {
  color: #7a5615;
  border-color: rgba(122, 86, 21, 0.45);
  background: rgba(217, 160, 60, 0.18);
}

.page-products .case-card .tag--blue {
  color: #3f6376;
  border-color: rgba(63, 99, 118, 0.45);
  background: rgba(110, 140, 160, 0.18);
}

.page-products .case-card .tag--seal {
  color: #97241f;
  border-color: rgba(151, 36, 31, 0.45);
  background: rgba(200, 50, 43, 0.14);
}

.page-products .case-card .tag--plain {
  color: #6b5533;
  border-color: rgba(107, 85, 51, 0.45);
  background: rgba(226, 213, 188, 0.6);
}

/* ---------- 04 格式 ---------- */
.page-products .format-grid {
  display: grid;
  gap: 14px;
  margin: 22px 0 20px;
}

.page-products .format-block {
  padding: 18px;
  background: rgba(22, 40, 31, 0.6);
  border: 1px solid var(--prod-hair);
  border-top: 2px solid rgba(110, 140, 160, 0.7);
  border-radius: 2px;
}

.page-products .format-block:nth-child(2) {
  border-top-color: rgba(217, 160, 60, 0.75);
}

.page-products .format-block:nth-child(3) {
  border-top-color: rgba(200, 50, 43, 0.75);
}

.page-products .format-block:nth-child(4) {
  border-top-color: var(--prod-hair-strong);
}

.page-products .format-block__title {
  margin: 0 0 10px;
  font-family: var(--se-serif);
  font-size: var(--se-fs-16);
  font-weight: 700;
  color: var(--se-warm-white);
}

.page-products .format-block__text {
  margin: 0;
  font-size: var(--se-fs-14);
  line-height: 1.8;
  color: rgba(247, 241, 228, 0.76);
}

.page-products .format-note {
  margin: 0;
  padding: 14px 16px;
  font-size: var(--se-fs-14);
  line-height: 1.8;
  color: rgba(247, 241, 228, 0.8);
  background: rgba(110, 140, 160, 0.1);
  border-left: 2px solid var(--se-blue);
  border-radius: 2px;
}

/* ---------- 05 版本记录 ---------- */
.page-products .version-list {
  list-style: none;
  margin: 22px 0 20px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--prod-hair);
}

.page-products .version-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--prod-hair);
}

.page-products .version-item__when {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--se-gold);
}

.page-products .version-item__what {
  margin: 0;
  font-size: var(--se-fs-14);
  line-height: 1.8;
  color: rgba(247, 241, 228, 0.78);
}

/* ---------- 06 检查与收尾 ---------- */
.page-products .check-wrap {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.page-products .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-products .check-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--prod-hair);
}

.page-products .check-item:first-child {
  border-top: 1px solid var(--prod-hair);
}

.page-products .check-item__num {
  font-size: var(--se-fs-20);
  font-weight: 700;
  line-height: 1.1;
  color: var(--se-cinnabar);
}

.page-products .check-item__body {
  min-width: 0;
}

.page-products .check-item__title {
  margin: 0 0 6px;
  font-family: var(--se-serif);
  font-size: var(--se-fs-16);
  font-weight: 700;
  color: var(--se-warm-white);
}

.page-products .check-item__text {
  margin: 0;
  font-size: var(--se-fs-14);
  line-height: 1.8;
  color: rgba(247, 241, 228, 0.76);
}

.page-products .closing {
  margin-top: 34px;
  padding: 24px 20px;
  border: 1px solid rgba(217, 160, 60, 0.35);
  border-radius: 2px;
  background: linear-gradient(140deg, rgba(217, 160, 60, 0.1), rgba(14, 26, 22, 0) 62%);
}

.page-products .closing__text {
  margin: 0 0 18px;
  font-size: var(--se-fs-14);
  line-height: 1.85;
  color: rgba(247, 241, 228, 0.86);
  max-width: 60ch;
}

.page-products .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: var(--se-fs-14);
  line-height: 1.2;
  text-decoration: none;
  border-radius: 2px;
  transition: background-color 0.18s var(--se-ease), color 0.18s var(--se-ease), border-color 0.18s var(--se-ease);
}

.page-products .btn--primary {
  color: var(--se-ink);
  background: var(--se-gold);
  border: 1px solid var(--se-gold);
}

.page-products .btn--primary:hover,
.page-products .btn--primary:focus-visible {
  background: var(--se-warm-white);
  border-color: var(--se-warm-white);
}

.page-products .btn--ghost {
  color: var(--se-warm-white);
  border: 1px solid rgba(143, 163, 155, 0.6);
}

.page-products .btn--ghost:hover,
.page-products .btn--ghost:focus-visible {
  border-color: var(--se-warm-white);
  background: rgba(247, 241, 228, 0.08);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-products .opening__title {
    font-size: 42px;
  }

  .page-products .chapter__num {
    font-size: 44px;
  }

  .page-products .archive-meter {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

  .page-products .version-item {
    grid-template-columns: 92px 1fr;
    gap: 18px;
    align-items: start;
  }

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

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

  .page-products .archive-item {
    grid-template-columns: 1.25fr 1fr;
    align-items: start;
    padding: 24px;
  }

  .page-products .archive-item:only-child,
  .page-products .archive-item:not(:has(figure)) {
    grid-template-columns: 1fr;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products .page-grid {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
  }

  .page-products .page-aside {
    position: sticky;
    top: calc(var(--se-header-h) + 28px);
  }

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

  .page-products .aside-link {
    padding: 7px 0;
    border-bottom: 1px solid transparent;
  }

  .page-products .opening__title {
    font-size: 52px;
    max-width: 18ch;
  }

  .page-products .chapter {
    margin-top: 60px;
    padding-top: 56px;
  }

  .page-products .chapter__num {
    font-size: 64px;
  }

  .page-products .chapter__title {
    font-size: 34px;
  }

  .page-products .order-flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  .page-products .deck {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-flow: dense;
    gap: 18px;
  }

  .page-products .case-card {
    grid-column: span 4;
  }

  .page-products .case-card:nth-child(5n + 1) {
    grid-column: span 5;
  }

  .page-products .case-card:nth-child(5n + 4) {
    grid-column: span 3;
  }

  .page-products .case-card:nth-child(3n + 2) {
    margin-top: 18px;
  }

  .page-products .check-wrap {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
    gap: 40px;
  }

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

  .page-products .plate-figure--narrow img {
    aspect-ratio: 3 / 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .aside-link,
  .page-products .filter-label,
  .page-products .btn {
    transition: none;
  }
}
<<<END>>>