.page-products {
  --pg-panel: rgba(217, 164, 65, .10);
  --pg-line-soft: rgba(22, 18, 15, .10);
}

/* ---------- 首屏 ---------- */
.page-products .prod-intro {
  padding-top: clamp(18px, 3.5vw, 30px);
}

.page-products .page-head__title {
  max-width: 24ch;
}

.page-products .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .hero-stats li {
  display: inline-flex;
  align-items: baseline;
  gap: .35em;
  padding: 7px 15px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--text-soft);
  background: rgba(217, 164, 65, .09);
  border: 1px solid var(--line-gold);
  border-radius: 999px;
}

.page-products .hero-stats b {
  font-weight: 500;
  color: var(--cs-gold-dark);
}

/* ---------- 版本切换 ---------- */
.page-products .prod-tabs {
  margin-top: 28px;
}

.page-products .prod-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-products .prod-tab {
  appearance: none;
  -webkit-appearance: none;
  padding: 10px 22px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .prod-tab:hover {
  color: var(--cs-ink);
  border-color: var(--cs-gold);
}

.page-products .prod-tab[aria-selected="true"] {
  color: var(--cs-cream);
  background: var(--cs-red);
  border-color: var(--cs-red);
  box-shadow: 0 10px 22px -16px rgba(193, 39, 45, .95);
}

.page-products .prod-tab:focus-visible {
  outline: 2px solid var(--cs-jade);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(122, 75, 214, .28);
}

.page-products .ver-grid {
  display: grid;
  gap: 1px;
  margin-top: 24px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .ver-grid > div {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 18px;
  background: var(--bg);
}

.page-products .ver-label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-soft);
}

.page-products .ver-value {
  font-size: 17px;
  font-weight: 600;
  color: var(--cs-ink);
}

.page-products .ver-value.num {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--cs-gold-dark);
}

.page-products .ver-note {
  margin: 18px 0 0;
  max-width: 64ch;
  color: var(--text-soft);
  line-height: 1.78;
}

.page-products .ver-note .num {
  color: var(--cs-gold-dark);
}

/* ---------- 安装三步 ---------- */
.page-products .step-layout {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.page-products .step-rail {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-products .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num text";
  column-gap: 14px;
  padding: 18px 20px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cs-clay);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-products .step__num {
  grid-area: num;
  font-size: 22px;
  line-height: 1;
  padding-top: 3px;
  color: var(--cs-clay);
}

.page-products .step__title {
  grid-area: title;
  margin: 0;
  font-size: 17px;
  font-family: var(--font-display);
}

.page-products .step__text {
  grid-area: text;
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-soft);
}

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

.page-products .media__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}

.page-products .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-soft);
}

.page-products .stair-fig {
  margin-top: 26px;
}

/* ---------- 房间对照 ---------- */
.page-products .room-layout {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .room-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--bg);
}

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

.page-products .room-table caption {
  caption-side: top;
  padding: 16px 18px 10px;
  text-align: left;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-soft);
}

.page-products .room-table th,
.page-products .room-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-products .room-table thead th {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--text-soft);
  background: var(--bg-alt);
}

.page-products .room-table tbody tr:nth-child(even) {
  background: rgba(232, 223, 207, .45);
}

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

.page-products .room-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--cs-ink);
  white-space: nowrap;
}

.page-products .room-table td.num {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--cs-gold-dark);
  white-space: nowrap;
}

.page-products .room-hint {
  padding: 20px 22px;
  background: linear-gradient(160deg, rgba(193, 39, 45, .07), rgba(217, 164, 65, .14));
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}

.page-products .room-hint__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 17px;
}

.page-products .room-hint__list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding-left: 1.15em;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-products .room-hint__foot {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--text-soft);
}

.page-products .room-hint__foot a {
  color: var(--cs-gold-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 账号档位 ---------- */
.page-products .tier-layout {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-products .tier-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .tier-tabs .tabs__tab {
  appearance: none;
  -webkit-appearance: none;
  padding: 9px 18px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .tier-tabs .tabs__tab:hover {
  color: var(--cs-ink);
  border-color: var(--cs-gold);
}

.page-products .tier-tabs .tabs__tab[aria-selected="true"] {
  color: var(--cs-cream);
  background: var(--cs-ink);
  border-color: var(--cs-gold);
  box-shadow: 0 0 0 3px rgba(122, 75, 214, .22);
}

.page-products .tier-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--cs-jade);
  outline-offset: 3px;
}

.page-products .tier-panel {
  margin-top: 18px;
  padding: 20px 22px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cs-gold);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}

.page-products .tier-panel__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
}

.page-products .tier-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-products .tier-fig {
  margin: 0;
}

/* ---------- 房间功能面板 ---------- */
.page-products .panel-layout {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

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

.page-products .panel-item {
  padding: 17px 19px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-gold);
  border-radius: var(--radius-m);
  transition: border-left-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .panel-item:hover {
  border-left-color: var(--cs-red);
  transform: translateX(3px);
}

.page-products .panel-item h3 {
  margin: 0 0 7px;
  font-size: 16px;
  font-family: var(--font-display);
}

.page-products .panel-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-soft);
}

.page-products .panel-shot {
  margin-top: 26px;
}

/* ---------- 常见卡点 ---------- */
.page-products .fold-stack {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-products .fold {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-products .fold[open] {
  border-color: var(--line-gold);
}

.page-products .fold-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--cs-ink);
  cursor: pointer;
  list-style: none;
}

.page-products .fold-head::-webkit-details-marker {
  display: none;
}

.page-products .fold-head::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: -4px;
  border-right: 2px solid var(--cs-gold-dark);
  border-bottom: 2px solid var(--cs-gold-dark);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), margin-top var(--dur) var(--ease);
}

.page-products .fold[open] .fold-head::after {
  margin-top: 4px;
  transform: rotate(-135deg);
}

.page-products .fold-head:focus-visible {
  outline: 2px solid var(--cs-jade);
  outline-offset: -2px;
}

.page-products .fold__body ol {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0 20px 20px 2.5em;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-soft);
}

/* ---------- 收尾 ---------- */
.page-products .cta-band {
  padding: clamp(26px, 5vw, 46px);
  background:
    radial-gradient(120% 150% at 88% 0%, rgba(122, 75, 214, .30), transparent 58%),
    radial-gradient(90% 120% at 0% 100%, rgba(193, 39, 45, .28), transparent 62%),
    var(--bg-dark);
  color: var(--cs-cream);
  border: 1px solid rgba(217, 164, 65, .32);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-2);
}

.page-products .cta-band__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 27px);
  color: var(--cs-cream);
}

.page-products .cta-band__text {
  margin: 0;
  max-width: 50ch;
  line-height: 1.78;
  color: rgba(246, 241, 231, .78);
}

.page-products .cta-band__text .num {
  font-family: var(--font-mono);
  color: var(--cs-gold);
}

.page-products .cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 浮动入口 ---------- */
.page-products .float-dl {
  display: none;
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .ver-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .step-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    gap: 34px;
  }

  .page-products .room-layout {
    grid-template-columns: minmax(0, 1fr) 290px;
    align-items: start;
    gap: 28px;
  }

  .page-products .room-hint {
    position: sticky;
    top: 26px;
  }

  .page-products .tier-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 34px;
  }

  .page-products .panel-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: start;
    gap: 32px;
  }
}

@media (min-width: 960px) {
  .page-products .float-dl {
    display: inline-flex;
    align-items: center;
    position: fixed;
    right: 28px;
    bottom: 28px;
    z-index: 30;
    text-decoration: none;
    box-shadow: 0 16px 36px -18px rgba(22, 18, 15, .8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .step,
  .page-products .panel-item,
  .page-products .fold-head::after {
    transition: none;
  }

  .page-products .step:hover,
  .page-products .panel-item:hover {
    transform: none;
  }
}