.page-products {
  --pn-gap: 1px;
  --pn-line-soft: rgba(244, 241, 234, 0.16);
  --pn-line-teal: rgba(127, 191, 168, 0.3);
  background: var(--navy-900);
  color: var(--on-dark);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

/* ---------- 面包屑 ---------- */
.pn-crumbs {
  background: var(--navy-900);
  border-bottom: 1px solid var(--navy-600);
  padding: 14px 0;
  font-size: 12px;
}

.pn-crumbs .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.pn-crumbs .breadcrumb a {
  color: var(--on-dark-dim);
  text-decoration: none;
  transition: color var(--ease);
}

.pn-crumbs .breadcrumb a:hover,
.pn-crumbs .breadcrumb a:focus-visible {
  color: var(--amber-light);
}

.pn-crumbs .breadcrumb__sep {
  color: var(--on-dark-faint);
  margin: 0 8px;
}

.pn-crumbs .breadcrumb [aria-current="page"] {
  color: var(--amber);
}

/* ---------- 首屏 ---------- */
.pn-hero {
  background: var(--navy-900);
  background-image: linear-gradient(180deg, rgba(24, 58, 82, 0.45), rgba(10, 26, 42, 0) 72%);
  border-bottom: 1px solid var(--navy-600);
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 6vw, 88px);
}

.pn-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.pn-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.pn-hero__anchor h1 {
  margin: 14px 0 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.16;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.pn-hero__lead {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--on-dark);
}

.pn-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--navy-600);
  border: 1px solid var(--navy-600);
}

.pn-hero__stats > div {
  background: var(--navy-800);
  padding: 14px 14px 16px;
}

.pn-hero__stats dt {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--on-dark-faint);
}

.pn-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--amber-light);
}

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

.pn-hero__inline {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
}

/* ---------- 首屏入口卡 ---------- */
.pn-hero__stack {
  display: grid;
  gap: 1px;
  background: var(--navy-600);
  border: 1px solid var(--navy-600);
}

.pn-entry {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  grid-template-areas:
    "mark name state"
    "mark desc desc";
  gap: 4px 14px;
  padding: 18px 18px;
  background: var(--navy-800);
  color: var(--on-dark);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background var(--ease), border-color var(--ease);
}

.pn-entry:hover,
.pn-entry:focus-visible {
  background: var(--navy-600);
  border-left-color: var(--amber);
  outline: none;
}

.pn-entry:focus-visible {
  box-shadow: inset 0 0 0 2px var(--amber);
}

.pn-entry__mark {
  grid-area: mark;
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border: 1px solid var(--amber);
  transition: background var(--ease);
}

.pn-entry:hover .pn-entry__mark {
  background: var(--amber);
}

.pn-entry__name {
  grid-area: name;
  font-family: var(--font-heading);
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: var(--ivory);
}

.pn-entry__state {
  grid-area: state;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--celadon);
  text-align: right;
}

.pn-entry--amber .pn-entry__state {
  color: var(--amber-light);
}

.pn-entry__dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--celadon);
  transition: box-shadow var(--ease);
}

.pn-entry--amber .pn-entry__dot {
  background: var(--amber);
}

.pn-entry:hover .pn-entry__dot {
  box-shadow: 0 0 0 3px rgba(127, 191, 168, 0.22);
}

.pn-entry__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark-dim);
}

/* ---------- 章节通用 ---------- */
.pn-section {
  padding: clamp(52px, 7vw, 100px) 0;
}

.pn-section--dark {
  background: var(--navy-900);
  color: var(--on-dark);
}

.pn-section--deep {
  background: var(--navy-800);
  color: var(--on-dark);
}

.pn-section--light {
  background: var(--ivory);
  color: var(--ink);
}

.pn-section--teal {
  background: var(--teal-deep);
  color: var(--ivory);
}

.pn-section--indigo {
  background: var(--indigo);
  color: var(--ivory);
}

.pn-head {
  max-width: 720px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.pn-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.pn-section--light .pn-num {
  color: var(--celadon-dark);
}

.pn-section--teal .pn-num,
.pn-section--indigo .pn-num {
  color: var(--celadon);
}

.pn-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.3;
  letter-spacing: 0.03em;
  color: inherit;
}

.pn-section--light .pn-head h2 {
  color: var(--ink);
}

.pn-head p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  opacity: 0.86;
}

.pn-section--light .pn-head p {
  color: var(--slate);
  opacity: 1;
}

/* ---------- 两栏 ---------- */
.pn-split {
  display: grid;
  gap: 32px;
}

.pn-split__text {
  min-width: 0;
}

/* ---------- 要点列表 ---------- */
.pn-points {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pn-line-soft);
}

.pn-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pn-line-soft);
  font-size: 14px;
  line-height: 1.75;
  color: inherit;
}

.pn-points li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  background: var(--amber);
}

.pn-section--light .pn-points {
  border-top-color: var(--line);
}

.pn-section--light .pn-points li {
  border-bottom-color: var(--line);
}

.pn-section--light .pn-points li::before {
  background: var(--celadon-dark);
}

/* ---------- 图片框 ---------- */
.pn-figure {
  margin: 0;
  border: 1px solid var(--navy-600);
  background: var(--navy-800);
}

.pn-section--light .pn-figure {
  border-color: var(--line);
  background: var(--paper);
}

.pn-figure img {
  width: 100%;
  object-fit: cover;
}

.pn-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--navy-600);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--on-dark-faint);
}

.pn-section--light .pn-figure figcaption {
  border-top-color: var(--line);
  color: var(--slate);
}

.pn-figure--tall {
  max-width: 420px;
}

.pn-figure--tall img {
  aspect-ratio: 5 / 6;
}

/* ---------- 模块分组 ---------- */
.pn-grouphead {
  display: grid;
  gap: 32px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.pn-grouphead .pn-head {
  margin-bottom: 0;
}

.pn-groups {
  display: grid;
  gap: 1px;
  background: var(--navy-600);
  border: 1px solid var(--navy-600);
}

.pn-group {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 22px 20px 24px;
  background: var(--navy-800);
  transition: background var(--ease);
}

.pn-group--teal {
  background: var(--teal-deep);
}

.pn-group--wine {
  background: var(--wine);
}

.pn-group:hover {
  background: var(--navy-600);
}

.pn-group__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.pn-group h3 {
  margin: 2px 0 0;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ivory);
}

.pn-group p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--on-dark-dim);
}

.pn-group__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 5px;
}

.pn-group__list li {
  position: relative;
  padding-left: 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--on-dark);
}

.pn-group__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 4px;
  height: 4px;
  background: var(--celadon);
}

/* ---------- 档位 ---------- */
.pn-tiers {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.pn-tier {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 22px 18px 24px;
  background: var(--paper);
  transition: background var(--ease);
}

.pn-tier:hover {
  background: var(--ivory);
}

.pn-tier__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--celadon-dark);
}

.pn-tier h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.pn-tier p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.pn-tier__scope {
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--ink) !important;
}

.pn-tier__scope strong {
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--celadon-dark);
}

.pn-foot-note {
  margin: 26px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 权益核对步骤 ---------- */
.pn-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pn-line-teal);
  border: 1px solid var(--pn-line-teal);
}

.pn-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 16px;
  align-items: start;
  padding: 20px;
  background: var(--teal-deep);
  transition: background var(--ease);
}

.pn-step:hover {
  background: rgba(10, 26, 42, 0.42);
}

.pn-step__no {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.2;
  color: var(--celadon);
}

.pn-step h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ivory);
}

.pn-step p {
  grid-column: 2;
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.78);
}

.pn-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--celadon);
  background: rgba(127, 191, 168, 0.12);
  font-size: 13px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.88);
}

.pn-note--indigo {
  border-left-color: var(--amber);
  background: rgba(226, 169, 75, 0.1);
  color: rgba(244, 241, 234, 0.86);
}

/* ---------- 设备端 ---------- */
.pn-devices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--navy-600);
  border: 1px solid var(--navy-600);
}

.pn-device {
  display: grid;
  gap: 6px;
  padding: 16px 14px 18px;
  background: var(--navy-800);
  border-top: 2px solid var(--celadon-dark);
  transition: background var(--ease), border-color var(--ease);
}

.pn-device:hover {
  background: var(--navy-600);
  border-top-color: var(--celadon);
}

.pn-device__name {
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ivory);
}

.pn-device__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--on-dark-faint);
}

.pn-sync {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 20px 0 0;
  padding: 13px 16px;
  border: 1px dashed var(--navy-600);
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark-dim);
}

.pn-sync strong {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--celadon);
}

/* ---------- 版本带 ---------- */
.pn-band {
  background: var(--navy-800);
  border-top: 4px solid var(--amber);
  border-bottom: 1px solid var(--navy-600);
  padding: clamp(36px, 5vw, 64px) 0;
}

.pn-band__grid {
  display: grid;
  gap: 28px;
}

.pn-band__title {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.35;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.pn-band__rhythm {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--navy-600);
  border: 1px solid var(--navy-600);
}

.pn-band__rhythm li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 11px 13px;
  background: var(--navy-800);
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark-dim);
}

.pn-band__rhythm b {
  flex: 0 0 auto;
  min-width: 76px;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber-light);
}

.pn-band__cta {
  margin: 18px 0 0;
  font-size: 13px;
}

/* ---------- 链接 ---------- */
.pn-link {
  color: var(--amber-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(226, 169, 75, 0.42);
  padding-bottom: 1px;
  transition: border-color var(--ease), color var(--ease);
}

.pn-link:hover,
.pn-link:focus-visible {
  border-bottom-color: var(--amber-light);
  outline: none;
}

.pn-link:focus-visible {
  box-shadow: 0 0 0 2px var(--amber);
}

.pn-section--light .pn-link {
  color: var(--celadon-dark);
  border-bottom-color: rgba(47, 111, 94, 0.42);
}

.pn-section--light .pn-link:hover,
.pn-section--light .pn-link:focus-visible {
  border-bottom-color: var(--celadon-dark);
}

.pn-link--onceladon {
  color: var(--ivory);
  border-bottom-color: rgba(244, 241, 234, 0.5);
}

.pn-link--onceladon:hover,
.pn-link--onceladon:focus-visible {
  border-bottom-color: var(--ivory);
}

/* ---------- 轻享版 ---------- */
.pn-lite {
  display: grid;
  gap: 26px;
}

.pn-lite p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.pn-upgrade {
  margin: 0 !important;
  padding: 14px 16px;
  border-left: 2px solid var(--amber);
  background: rgba(226, 169, 75, 0.14);
  font-size: 13px !important;
  line-height: 1.85;
  color: var(--ink) !important;
}

.pn-card {
  padding: 22px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.pn-card h3 {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.pn-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pn-chip {
  padding: 5px 10px;
  border: 1px solid var(--line);
  background: var(--ivory);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink);
  transition: border-color var(--ease), color var(--ease);
}

.pn-chip:hover {
  border-color: var(--celadon-dark);
  color: var(--celadon-dark);
}

/* ---------- 资料库 ---------- */
.pn-lib {
  display: grid;
  gap: 26px;
}

.pn-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--navy-600);
  border: 1px solid var(--navy-600);
}

.pn-cat {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--navy-800);
  font-size: 13px;
  color: var(--on-dark);
  transition: background var(--ease);
}

.pn-cat:hover {
  background: var(--navy-600);
}

.pn-cat__dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--celadon);
}

.pn-cat__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--on-dark-faint);
}

.pn-lib__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-dark);
}

/* ---------- 选择表 ---------- */
.pn-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--paper);
}

.pn-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.7;
}

.pn-table thead th {
  padding: 13px 16px;
  background: var(--navy-800);
  color: var(--ivory);
  text-align: left;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.pn-table tbody th {
  padding: 15px 16px;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.pn-table tbody td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--slate);
  vertical-align: top;
}

.pn-table tbody tr {
  transition: background var(--ease);
}

.pn-table tbody tr:hover {
  background: var(--ivory);
}

.pn-table tbody tr:hover th {
  color: var(--celadon-dark);
}

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

.pn-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.pn-section--light .btn--ghost {
  border-color: var(--navy-600);
  color: var(--navy-800);
}

.pn-section--light .btn--ghost:hover,
.pn-section--light .btn--ghost:focus-visible {
  border-color: var(--amber);
  color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .pn-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .pn-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .pn-groups {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .pn-group:nth-child(1) {
    grid-column: span 5;
  }

  .pn-group:nth-child(2) {
    grid-column: span 4;
  }

  .pn-group:nth-child(3) {
    grid-column: span 3;
  }

  .pn-group:nth-child(4) {
    grid-column: span 4;
  }

  .pn-group:nth-child(5) {
    grid-column: span 4;
  }

  .pn-group:nth-child(6) {
    grid-column: span 4;
  }

  .pn-tiers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pn-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pn-devices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .pn-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 52px;
    align-items: center;
  }

  .pn-split--reverse {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  }

  .pn-grouphead {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
  }

  .pn-band__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
  }

  .pn-lite,
  .pn-lib {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .pn-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 60px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .pn-tiers {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .pn-devices {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}