.page-products {
  --pp-line-soft: rgba(16, 55, 74, 0.62);
  --pp-panel: rgba(10, 34, 48, 0.62);
  --pp-pad: clamp(1.15rem, 3.4vw, 2rem);
  --pp-gap: clamp(1.5rem, 4vw, 3rem);
  --pp-block-y: clamp(2.5rem, 6.5vw, 4.5rem);

  position: relative;
  color: var(--paper);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(rgba(16, 55, 74, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 55, 74, 0.22) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-products .breadcrumb {
  padding-top: 1.25rem;
  font-size: 0.8125rem;
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--mist);
}

.page-products .breadcrumb__list a {
  color: var(--mist);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-products .breadcrumb__list a:hover {
  color: var(--lime);
}

.page-products .breadcrumb__list [aria-current="page"] {
  color: var(--paper);
}

.page-products .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 首屏声明 ---------- */
.page-products .pp-hero {
  position: relative;
  margin-top: 1.5rem;
  padding: var(--pp-pad) var(--pp-pad) clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background:
    radial-gradient(120% 130% at 4% -20%, rgba(30, 86, 107, 0.6), transparent 60%),
    radial-gradient(70% 80% at 104% 4%, rgba(182, 255, 60, 0.09), transparent 64%),
    linear-gradient(180deg, rgba(10, 34, 48, 0.9), rgba(4, 20, 28, 0.66));
  box-shadow: 0 30px 70px -50px rgba(0, 0, 0, 0.95);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(182, 255, 60, 0.2);
  border-radius: 50%;
  pointer-events: none;
}

.page-products .pp-hero h1 {
  margin: 0.7rem 0 0;
  max-width: 22ch;
  font-size: clamp(1.85rem, 6.2vw, 3.4rem);
  font-weight: 200;
  line-height: 1.12;
  letter-spacing: 0.025em;
  color: var(--paper);
}

.page-products .pp-hero .lede {
  margin: 1.2rem 0 0;
  max-width: 64ch;
  font-size: clamp(0.94rem, 1.5vw, 1.05rem);
  line-height: 1.9;
  color: var(--paper);
  opacity: 0.82;
}

.page-products .pp-quick {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(1.5rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--pp-line-soft);
  overflow: hidden;
}

.page-products .pp-quick li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.95rem 1rem;
  background: rgba(4, 20, 28, 0.82);
}

.page-products .pp-quick__k {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pp-quick__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  color: var(--amber);
  letter-spacing: -0.01em;
}

/* ---------- 通用区块 ---------- */
.page-products .pp-block,
.page-products .pp-next {
  padding-block: var(--pp-block-y);
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-block__head {
  margin-bottom: clamp(1.4rem, 3vw, 2.25rem);
}

.page-products .pp-block h2,
.page-products .pp-next h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.45rem, 3.4vw, 2.15rem);
  font-weight: 600;
  line-height: 1.28;
  color: var(--paper);
}

.page-products .pp-block .lede {
  margin: 0.9rem 0 0;
  max-width: 68ch;
  font-size: clamp(0.94rem, 1.5vw, 1.02rem);
  line-height: 1.9;
  color: var(--paper);
  opacity: 0.78;
}

.page-products .pp-block h3 {
  margin: 0;
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-products .pp-block p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--paper);
  opacity: 0.82;
}

.page-products .stack > * + * {
  margin-top: 1.15rem;
}

/* ---------- 非对称分栏 ---------- */
.page-products .pp-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
}

.page-products .pp-split--tight {
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
}

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

/* ---------- 信息速览侧栏 ---------- */
.page-products .pp-facts {
  min-width: 0;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--pp-panel);
}

.page-products .pp-facts__title {
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pp-facts ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-top: 1px dashed var(--pp-line-soft);
  font-size: 0.84rem;
  color: var(--paper);
  opacity: 0.9;
}

.page-products .pp-facts li:first-child {
  border-top: 0;
}

.page-products .pp-facts li span:last-child {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  text-align: right;
}

/* ---------- 列表 ---------- */
.page-products .pp-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.page-products .pp-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.82;
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--lime);
}

/* ---------- 图片容器 ---------- */
.page-products .media__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(140deg, rgba(30, 86, 107, 0.5), rgba(4, 20, 28, 0.9));
}

.page-products .media__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(182, 255, 60, 0.07), transparent 46%);
  pointer-events: none;
}

.page-products .media__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.page-products .media__caption {
  margin: 0.7rem 0 0;
  font-size: 0.76rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-products .pp-panel-shot {
  margin-bottom: clamp(1.5rem, 4vw, 2.4rem);
}

/* ---------- 登录三步 ---------- */
.page-products .pp-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--pp-line-soft);
  overflow: hidden;
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.7rem;
  align-content: start;
  padding: 1.3rem 1.15rem;
  background: linear-gradient(180deg, rgba(10, 34, 48, 0.92), rgba(10, 34, 48, 0.55));
}

.page-products .pp-step__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.9rem, 6vw, 2.7rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-products .pp-step__body {
  display: grid;
  gap: 0.55rem;
}

.page-products .pp-copyrow {
  display: grid;
  gap: 0.9rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
  padding-top: clamp(1.2rem, 3vw, 1.6rem);
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-copyrow .meta {
  color: var(--mist);
  font-size: 0.8rem;
  line-height: 1.8;
}

.page-products .copy-btn {
  justify-self: start;
}

/* ---------- 折叠面板 ---------- */
.page-products .pp-accordions {
  display: grid;
  gap: 0.7rem;
}

.page-products .pp-acc {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(10, 34, 48, 0.6);
  overflow: hidden;
}

.page-products .pp-acc summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
  transition: color 200ms var(--ease), background-color 200ms var(--ease);
}

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

.page-products .pp-acc summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--lime);
  font-size: 0.9rem;
}

.page-products .pp-acc[open] summary::after {
  content: "－";
}

.page-products .pp-acc summary:hover {
  background: rgba(30, 86, 107, 0.35);
}

.page-products .pp-acc summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-products .pp-acc__body {
  display: grid;
  gap: 0.85rem;
  padding: 0 1.15rem 1.25rem;
  border-top: 1px solid var(--pp-line-soft);
  padding-top: 1rem;
}

/* ---------- 年龄段视图 ---------- */
.page-products .pp-age-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-age__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 34, 48, 0.72);
}

.page-products .pp-age__tab {
  appearance: none;
  padding: 0.5rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 200ms var(--ease), background-color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pp-age__tab:hover {
  color: var(--paper);
  border-color: var(--line);
}

.page-products .pp-age__tab[aria-selected="true"] {
  color: var(--ink-900);
  background: var(--lime);
  border-color: var(--lime);
  font-weight: 700;
}

.page-products .pp-age__tab:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-products .pp-age__panels {
  margin-top: 1.1rem;
  padding: var(--pp-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(10, 34, 48, 0.88), rgba(4, 20, 28, 0.72));
}

.page-products .pp-age__panel {
  display: grid;
  gap: 1.1rem;
}

.page-products .pp-age__panel[hidden] {
  display: none;
}

.page-products .pp-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--pp-line-soft);
  overflow: hidden;
}

.page-products .pp-metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.9rem 1rem;
  background: rgba(4, 20, 28, 0.8);
}

.page-products .pp-metric__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  color: var(--amber);
}

.page-products .pp-metric--lime .pp-metric__v {
  color: var(--lime);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.page-products .pp-metric__k {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-products .pp-age__meter {
  display: block;
  width: 100%;
  max-width: 420px;
  height: 8px;
}

/* ---------- 数据表 ---------- */
.page-products .pp-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.page-products .pp-table caption {
  padding-bottom: 0.85rem;
  text-align: left;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 0.8rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .pp-table thead th {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  background: rgba(10, 34, 48, 0.94);
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  font-weight: 500;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .pp-table tbody tr {
  transition: background-color 180ms var(--ease);
}

.page-products .pp-table tbody tr:nth-child(even) {
  background: rgba(10, 34, 48, 0.36);
}

.page-products .pp-table tbody tr:hover {
  background: rgba(30, 86, 107, 0.42);
}

.page-products .pp-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-products .pp-table td.num {
  color: var(--amber);
}

.page-products .pp-table tfoot th,
.page-products .pp-table tfoot td {
  border-bottom: 0;
  border-top: 1px solid var(--line);
  background: rgba(10, 34, 48, 0.9);
}

.page-products .pp-table tfoot th {
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-products .pp-sort {
  display: inline-block;
  margin-left: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--lime);
}

.page-products .pp-note {
  margin: clamp(1.3rem, 3vw, 1.9rem) 0 0;
  padding: 0.95rem 1.15rem;
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(255, 179, 71, 0.08);
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.88;
}

/* ---------- 版本次序 ---------- */
.page-products .pp-timeline {
  margin: 0;
  padding: 0 0 0 1.5rem;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-products .pp-timeline__item {
  position: relative;
  display: grid;
  gap: 0.45rem;
  padding-bottom: 1.8rem;
}

.page-products .pp-timeline__item:last-child {
  padding-bottom: 0;
}

.page-products .pp-timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-1.5rem - 4px);
  top: 0.45rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(182, 255, 60, 0.14);
}

.page-products .pp-timeline__ver {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--lime);
}

/* ---------- 后续入口 ---------- */
.page-products .pp-next__list {
  display: grid;
  gap: 1px;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--pp-line-soft);
  overflow: hidden;
}

.page-products .pp-next__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  background: rgba(10, 34, 48, 0.72);
  color: var(--paper);
  font-size: 0.9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color 200ms var(--ease), color 200ms var(--ease);
}

.page-products .pp-next__list a::after {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: var(--mist);
  transition: color 200ms var(--ease);
}

.page-products .pp-next__list a:hover {
  background: rgba(30, 86, 107, 0.5);
  color: var(--lime);
}

.page-products .pp-next__list a:hover::after {
  color: var(--lime);
}

.page-products .pp-next__list a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pp-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-products .pp-split--tight {
    grid-template-columns: minmax(0, 8fr) minmax(0, 2fr);
  }

  .page-products .pp-age-wrap {
    grid-template-columns: minmax(0, 1fr) 280px;
  }
}

@media (min-width: 1100px) {
  .page-products .pp-hero {
    padding-inline: clamp(2rem, 4vw, 3.25rem);
  }

  .page-products .pp-age-wrap {
    grid-template-columns: minmax(0, 1fr) 320px;
  }
}

@media (max-width: 560px) {
  .page-products {
    background-size: 48px 48px;
  }

  .page-products .pp-quick li {
    padding: 0.8rem 0.85rem;
  }

  .page-products .pp-table {
    min-width: 560px;
  }

  .page-products .pp-age__tabs {
    width: 100%;
    justify-content: space-between;
  }

  .page-products .pp-age__tab {
    flex: 1 1 auto;
    text-align: center;
    padding-inline: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-acc summary,
  .page-products .pp-age__tab,
  .page-products .pp-table tbody tr,
  .page-products .pp-next__list a,
  .page-products .breadcrumb__list a {
    transition: none;
  }
}