.page-products {
  --pp-hair: 1px solid rgba(11, 15, 14, .14);
  --pp-hair-light: 1px solid rgba(245, 242, 234, .18);
  --pp-ease: cubic-bezier(.22, .61, .36, 1);
  --pp-pad: clamp(48px, 8vw, 88px);
  background: var(--porcelain);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-products .page-hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) 0 64px;
  background:
    radial-gradient(140% 100% at 88% -12%, rgba(230, 200, 120, .22), transparent 62%),
    radial-gradient(90% 80% at 6% 112%, rgba(224, 138, 123, .14), transparent 58%),
    linear-gradient(168deg, var(--night) 0%, var(--moss) 60%, #173c30 100%);
  color: var(--porcelain);
  overflow: hidden;
}

.page-products .page-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.page-products .page-hero__inner {
  display: grid;
  gap: 36px;
}

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

.page-products .page-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: rgba(245, 242, 234, .68);
}

.page-products .page-hero .breadcrumbs a {
  color: var(--gold-lit);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 200, 120, .35);
}

.page-products .page-hero .breadcrumbs__sep {
  color: rgba(245, 242, 234, .38);
}

.page-products .page-hero__eyebrow {
  margin: 22px 0 0;
  color: var(--gold-lit);
}

.page-products .page-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6.2vw, 3.4rem);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 20ch;
}

.page-products .page-hero__lede {
  margin: 18px 0 0;
  max-width: 56ch;
  color: rgba(245, 242, 234, .84);
}

.page-products .page-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .page-hero__media {
  margin: 0;
  position: relative;
  border: 1px solid rgba(201, 162, 74, .42);
  background: rgba(14, 42, 34, .6);
}

.page-products .page-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* ---------- 章节标题 ---------- */
.page-products .page-sechead {
  max-width: 72ch;
}

.page-products .page-sechead__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-products .page-sechead__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4.2vw, 2.15rem);
  line-height: 1.3;
  color: var(--night);
}

.page-products .page-sechead__lede {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 页面节奏 ---------- */
.page-products .page-map,
.page-products .page-entries,
.page-products .page-panels,
.page-products .page-downloads,
.page-products .page-tiers,
.page-products .page-tasks {
  padding: var(--pp-pad) 0;
}

.page-products .page-legacy {
  padding: var(--pp-pad) 0;
}

/* ---------- 四象限 ---------- */
.page-products .page-quad {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  border: var(--pp-hair);
  background: rgba(11, 15, 14, .14);
}

.page-products .page-quad__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 190px;
  padding: 26px 24px 28px;
  background: var(--paper);
}

.page-products .page-quad__cell--dark {
  background: var(--moss);
  color: var(--porcelain);
}

.page-products .page-quad__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-products .page-quad__cell--dark .page-quad__no {
  color: var(--gold-lit);
}

.page-products .page-quad__name {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.42rem;
  color: var(--night);
}

.page-products .page-quad__cell--dark .page-quad__name {
  color: var(--paper);
}

.page-products .page-quad__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .92rem;
  letter-spacing: .05em;
  opacity: .82;
}

.page-products .page-quad__desc {
  margin: 0;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--stone);
}

.page-products .page-quad__cell--dark .page-quad__desc {
  color: rgba(245, 242, 234, .76);
}

.page-products .page-quad__rank {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--coral-ink);
  border-top: 1px solid rgba(201, 162, 74, .34);
}

.page-products .page-quad__cell--dark .page-quad__rank {
  color: var(--coral);
  border-top-color: rgba(230, 200, 120, .34);
}

/* ---------- 条目区栅格 ---------- */
.page-products .page-entries__grid {
  display: grid;
  gap: 36px;
  margin-top: 34px;
}

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

/* ---------- 筛选按钮 ---------- */
.page-products .page-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.page-products .page-filter__btn {
  appearance: none;
  font-family: var(--font-body);
  font-size: .88rem;
  line-height: 1;
  padding: 11px 17px;
  border: 1px solid rgba(11, 15, 14, .18);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: border-color .18s var(--pp-ease), background-color .18s var(--pp-ease), box-shadow .18s var(--pp-ease);
}

.page-products .page-filter__btn:hover {
  border-color: var(--gold);
}

.page-products .page-filter__btn.is-active {
  border-color: var(--gold);
  background: #fffdf4;
  box-shadow: inset 0 0 0 1px var(--gold);
}

.page-products .page-filter__btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 条目卡片 ---------- */
.page-products .page-entry-list {
  display: grid;
  gap: 1px;
  border: var(--pp-hair);
  background: rgba(11, 15, 14, .12);
}

.page-products .page-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 24px 22px 20px;
  background: var(--paper);
  border-left: 3px solid var(--gold);
}

.page-products .page-entry::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  background: linear-gradient(225deg, var(--porcelain) 50%, transparent 50%);
  border-left: 1px solid rgba(11, 15, 14, .10);
  border-bottom: 1px solid rgba(11, 15, 14, .10);
  pointer-events: none;
}

.page-products .page-entry__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .page-entry__no {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .page-entry__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--night);
}

.page-products .page-entry__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .page-entry__more {
  margin-top: 2px;
  font-size: .86rem;
}

.page-products .page-entry__more summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--forest);
}

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

.page-products .page-entry__more summary::before {
  content: "＋ ";
  color: var(--gold);
}

.page-products .page-entry__more[open] summary::before {
  content: "－ ";
}

.page-products .page-entry__more p {
  margin: 8px 0 0;
  line-height: 1.72;
  color: var(--stone);
}

/* ---------- 路径条与复制 ---------- */
.page-products .path-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
  padding: 8px 10px;
  border-radius: var(--radius);
  background: rgba(138, 143, 139, .13);
}

.page-products .path-line code {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .01em;
  color: var(--moss);
  word-break: break-all;
}

.page-products .page-copy {
  flex: 0 0 auto;
  appearance: none;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  padding: 6px 11px;
  border: 1px solid rgba(201, 162, 74, .55);
  border-radius: var(--radius);
  background: transparent;
  color: var(--coral-ink);
  cursor: pointer;
  transition: background-color .18s var(--pp-ease), color .18s var(--pp-ease);
}

.page-products .page-copy:hover {
  background: var(--gold-lit);
  color: var(--night);
}

.page-products .page-copy:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 右侧窄栏 ---------- */
.page-products .page-rail {
  display: grid;
  gap: 16px;
}

.page-products .page-rail__card {
  padding: 20px;
  border: var(--pp-hair);
  background: var(--paper);
}

.page-products .page-rail__status {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.42rem;
  color: var(--night);
}

.page-products .page-rail__version {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: .86rem;
  letter-spacing: .04em;
  color: var(--forest);
}

.page-products .page-rail__hint {
  margin: 10px 0 0;
  font-size: .86rem;
  line-height: 1.72;
  color: var(--stone);
}

.page-products .page-rail__card .btn {
  margin-top: 14px;
}

/* ---------- 双面板 ---------- */
.page-products .page-panels__stage {
  position: relative;
  display: grid;
  margin-top: 34px;
  border: var(--pp-hair);
  background: var(--paper);
}

.page-products .page-panel {
  padding: 26px 22px 28px;
  background: var(--paper);
  border-bottom: 1px dashed rgba(201, 162, 74, .5);
}

.page-products .page-panel:last-child {
  border-bottom: 0;
}

.page-products .page-panel--old {
  background: var(--porcelain);
}

.page-products .page-panel__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .page-panel--old .page-panel__tag {
  color: var(--pencil);
}

.page-products .page-panel__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .page-panel__row {
  display: grid;
  gap: 5px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(11, 15, 14, .10);
}

.page-products .page-panel__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .page-panel__label {
  font-size: .84rem;
  color: var(--stone);
}

.page-products .page-panel__row code {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--moss);
  word-break: break-all;
}

.page-products .page-panel--old .page-panel__row code {
  color: var(--pencil);
}

.page-products .page-panels__figure {
  margin: 34px 0 0;
}

.page-products .page-panels__figure img,
.page-products .page-downloads__media img,
.page-products .page-tiers__media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--pp-hair);
  object-fit: cover;
}

.page-products .page-panels__figure figcaption {
  margin-top: 12px;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 旧版入口 ---------- */
.page-products .page-legacy {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--night) 0%, var(--moss) 100%);
  color: var(--porcelain);
}

.page-products .page-legacy__wash {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .17;
  pointer-events: none;
}

.page-products .page-legacy__inner {
  position: relative;
  z-index: 1;
}

.page-products .page-legacy .page-sechead__no {
  color: var(--gold-lit);
}

.page-products .page-legacy__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4.2vw, 2.15rem);
  line-height: 1.3;
  color: var(--paper);
}

.page-products .page-legacy__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(245, 242, 234, .82);
}

.page-products .page-legacy__list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .page-legacy__item {
  padding: 20px 20px 22px;
  border: 1px solid rgba(245, 242, 234, .22);
  background: rgba(14, 42, 34, .5);
}

.page-products .page-legacy__item-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--paper);
}

.page-products .page-legacy__item-desc {
  margin: 10px 0 0;
  font-size: .92rem;
  line-height: 1.72;
  color: rgba(245, 242, 234, .76);
}

.page-products .page-legacy .path-line {
  background: rgba(245, 242, 234, .12);
}

.page-products .page-legacy .path-line code {
  color: var(--gold-lit);
}

.page-products .page-legacy .page-copy {
  border-color: rgba(230, 200, 120, .6);
  color: var(--gold-lit);
}

.page-products .page-legacy .page-copy:hover {
  background: var(--gold-lit);
  color: var(--night);
}

/* ---------- 下载说明 ---------- */
.page-products .page-downloads__grid {
  display: grid;
  gap: 36px;
  align-items: start;
}

.page-products .page-downloads__lede {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-products .page-downloads__specs {
  display: grid;
  gap: 1px;
  margin: 26px 0;
  border: var(--pp-hair);
  background: rgba(11, 15, 14, .12);
}

.page-products .page-downloads__specs > div {
  padding: 16px 18px;
  background: var(--paper);
}

.page-products .page-downloads__specs dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--stone);
}

.page-products .page-downloads__specs dd {
  margin: 7px 0 0;
  font-size: 1rem;
  color: var(--ink);
}

.page-products .page-downloads__note {
  margin: 0 0 22px;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--stone);
}

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

/* ---------- 会员等级 ---------- */
.page-products .page-tiers__grid {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  border: var(--pp-hair);
  background: rgba(11, 15, 14, .12);
}

.page-products .page-tier {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 24px;
  background: var(--paper);
}

.page-products .page-tier:nth-child(even) {
  background: var(--porcelain);
}

.page-products .page-tier__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .page-tier__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--night);
}

.page-products .page-tier__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--stone);
}

.page-products .page-tiers__media {
  margin: 34px 0 0;
}

/* ---------- 常见任务 ---------- */
.page-products .page-tasks__grid {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.page-products .page-task {
  padding: 22px 22px 24px;
  border-left: 3px solid var(--gold);
  background: var(--paper);
}

.page-products .page-task__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--night);
}

.page-products .page-task__desc {
  margin: 10px 0 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--stone);
}

.page-products .page-tasks__foot {
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(11, 15, 14, .12);
  font-size: .94rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-products .page-tasks__foot a {
  color: var(--coral-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 74, .6);
}

.page-products .page-tasks__foot a:hover {
  color: var(--night);
}

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

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

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

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

  .page-products .page-tier {
    min-height: 176px;
  }
}

@media (min-width: 900px) {
  .page-products .page-hero {
    padding: calc(var(--header-h) + 72px) 0 88px;
  }

  .page-products .page-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 56px;
  }

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

  .page-products .page-panels__stage::after {
    content: "";
    position: absolute;
    top: 26px;
    bottom: 26px;
    left: 50%;
    border-left: 1px dashed var(--gold);
  }

  .page-products .page-panel {
    border-bottom: 0;
  }

  .page-products .page-downloads__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 48px;
  }

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

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

@media (min-width: 1024px) {
  .page-products .page-entries__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 44px;
  }
}

@media (min-width: 1200px) {
  .page-products .page-pad-reset {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .page-filter__btn,
  .page-products .page-copy {
    transition: none;
  }
}
</main>