.page-products {
  --pd-line: rgba(58, 70, 64, 0.72);
  --pd-panel: #141A17;
  --pd-gap: clamp(1.25rem, 3vw, 2.25rem);
}

.page-products .breadcrumb {
  padding-block: 1.25rem 0.5rem;
}

/* ---------- 首屏 ---------- */
.page-products .lede-grid {
  display: grid;
  gap: var(--pd-gap);
  align-items: end;
}

.page-products .lede-main {
  max-width: 100%;
}

.page-products h1 {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-size: var(--step-h1);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cold);
}

.page-products .lede-main .section__lead {
  margin-top: 1.1rem;
  max-width: 62ch;
}

.page-products .lede-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-products .lede-aside {
  border-top: 1px solid var(--rule);
  padding-top: 1.1rem;
}

.page-products .lede-aside__title {
  margin: 0;
  font-size: var(--step-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

.page-products .lede-stats {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.page-products .lede-stats .stat__value {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1;
  color: var(--neon);
}

.page-products .lede-stats .stat__label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--paper-dim);
}

@media (min-width: 900px) {
  .page-products .lede-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

/* ---------- 三视图切换 ---------- */
.page-products .view-switch {
  margin-top: 2rem;
}

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

.page-products .view-tablist {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--rule);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .view-tablist::-webkit-scrollbar {
  display: none;
}

.page-products .view-tab {
  flex: 0 0 auto;
  padding: 0.9rem 1.15rem;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  user-select: none;
}

.page-products .view-input:focus-visible ~ .view-tablist {
  outline: 1px solid var(--neon);
  outline-offset: 3px;
}

.page-products #view-rounds:checked ~ .view-tablist label[for="view-rounds"],
.page-products #view-split:checked ~ .view-tablist label[for="view-split"],
.page-products #view-form:checked ~ .view-tablist label[for="view-form"] {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-products .view-panel {
  display: none;
  padding-top: 1.5rem;
}

.page-products #view-rounds:checked ~ .view-panels .view-panel--rounds,
.page-products #view-split:checked ~ .view-panels .view-panel--split,
.page-products #view-form:checked ~ .view-panels .view-panel--form {
  display: block;
}

.page-products .view-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  max-width: 70ch;
}

.page-products .view-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--cold);
}

.page-products .view-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.6rem;
  height: 1px;
  background: var(--neon);
}

/* ---------- 图片通用 ---------- */
.page-products .figure {
  margin: 2rem 0 0;
}

.page-products .figure__frame {
  border: 1px solid var(--pd-line);
  background: var(--pd-panel);
  overflow: hidden;
}

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

.page-products .figure__caption {
  margin-top: 0.7rem;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--paper-dim);
}

/* ---------- 暖纸对照区 ---------- */
.page-products .zone-paper {
  color: var(--ink);
}

.page-products .zone-paper .eyebrow {
  color: var(--grass);
}

.page-products .zone-paper .section__title {
  color: var(--ink);
}

.page-products .zone-paper .section__lead {
  color: var(--ink);
  opacity: 0.78;
}

.page-products .field-notes {
  display: grid;
  gap: 1.15rem;
  margin-top: 1.9rem;
}

.page-products .field-note {
  border-top: 1px solid var(--ink-rule);
  padding-top: 0.9rem;
}

.page-products .field-note__name {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grass);
}

.page-products .field-note__text {
  margin: 0.45rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.86;
}

@media (min-width: 760px) {
  .page-products .field-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.35rem 2.25rem;
  }
}

.page-products .table-scroll {
  margin-top: 2rem;
  overflow-x: auto;
  border: 1px solid var(--ink-rule);
  background: transparent;
}

.page-products .compare-grid {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.page-products .compare-grid th,
.page-products .compare-grid td {
  padding: 0.72rem 0.9rem;
  text-align: right;
  border-bottom: 1px solid var(--ink-rule);
  white-space: nowrap;
}

.page-products .compare-grid thead th {
  background: var(--grass);
  color: var(--cold);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.page-products .compare-grid thead th:first-child,
.page-products .compare-grid tbody th {
  text-align: left;
}

.page-products .compare-grid tbody th {
  font-weight: 600;
  color: var(--ink);
}

.page-products .compare-grid tbody td {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.page-products .compare-grid th:first-child,
.page-products .compare-grid td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--paper);
}

.page-products .compare-grid thead th:first-child {
  background: var(--grass);
}

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

.page-products .table-note {
  margin: 0.85rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.7;
}

/* ---------- iOS 步骤 ---------- */
.page-products #ios-steps,
.page-products #export-spec {
  scroll-margin-top: 6rem;
}

.page-products .step-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.page-products .step {
  position: relative;
  padding: 0 0 1.9rem 3.4rem;
}

.page-products .step::after {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 2.35rem;
  bottom: 0.35rem;
  width: 1px;
  background: var(--pd-line);
}

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

.page-products .step:last-child::after {
  display: none;
}

.page-products .step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--neon);
  border-radius: 50%;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  color: var(--neon);
}

.page-products .step__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--cold);
}

.page-products .step__text {
  margin: 0.45rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--paper-dim);
  max-width: 66ch;
}

.page-products .step-jump {
  margin: 1.75rem 0 0;
}

/* ---------- 弱网 ---------- */
.page-products .weak-grid {
  display: grid;
  gap: var(--pd-gap);
  align-items: start;
}

.page-products .weak-points {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.page-products .weak-points li {
  border-left: 2px solid var(--gold);
  padding-left: 1rem;
}

.page-products .weak-points b {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 1.0625rem;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-products .weak-points span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--paper-dim);
}

@media (min-width: 900px) {
  .page-products .weak-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-products .weak-grid .figure {
    margin-top: 0;
  }
}

/* ---------- 使用角色 ---------- */
.page-products .role-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-products .role-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  border: 1px solid var(--pd-line);
  background: var(--pd-panel);
  padding: 1.4rem;
}

.page-products .role-card__tag {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .role-card__name {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--cold);
}

.page-products .role-card__use {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--paper-dim);
}

@media (min-width: 640px) {
  .page-products .role-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-products .role-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 导出规格 ---------- */
.page-products .spec-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.9rem;
}

.page-products .spec-card {
  border: 1px solid var(--pd-line);
  background: var(--pd-panel);
  padding: 1.5rem clamp(1.1rem, 2.6vw, 1.85rem);
}

.page-products .spec-card--gold {
  border-color: rgba(232, 181, 74, 0.55);
}

.page-products .spec-card__note {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .spec-card__title {
  margin: 0.5rem 0 1.1rem;
  font-family: var(--font-num);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--cold);
}

.page-products .spec-rows {
  display: grid;
  grid-template-columns: minmax(0, 6.5rem) minmax(0, 1fr);
  gap: 0.7rem 1.1rem;
  margin: 0;
  font-size: 0.9375rem;
}

.page-products .spec-rows dt {
  color: var(--paper-dim);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  padding-top: 0.1rem;
}

.page-products .spec-rows dd {
  margin: 0;
  color: var(--cold);
  line-height: 1.7;
}

@media (min-width: 860px) {
  .page-products .spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 折叠字段清单 ---------- */
.page-products .field-group {
  margin-top: 1.25rem;
  border: 1px solid var(--pd-line);
  background: var(--pd-panel);
}

.page-products .field-group .disclosure__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.05rem 1.25rem;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--cold);
  cursor: pointer;
}

.page-products .field-group .disclosure__toggle::after {
  content: "＋";
  font-family: var(--font-num);
  color: var(--neon);
  flex: 0 0 auto;
}

.page-products .field-group .disclosure__toggle[aria-expanded="true"]::after {
  content: "－";
}

.page-products .field-group .disclosure__panel {
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid var(--pd-line);
  overflow-x: auto;
}

.page-products .field-table {
  width: 100%;
  min-width: 520px;
  margin-top: 0.9rem;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-products .field-table th,
.page-products .field-table td {
  text-align: left;
  padding: 0.62rem 0.6rem;
  border-bottom: 1px solid var(--pd-line);
  vertical-align: top;
}

.page-products .field-table thead th {
  background: var(--grass);
  color: var(--cold);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.page-products .field-table td {
  color: var(--paper-dim);
}

.page-products .field-table td:first-child {
  font-family: var(--font-num);
  color: var(--neon);
  white-space: nowrap;
}

.page-products .field-table td:nth-child(2) {
  white-space: nowrap;
}

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

/* ---------- 数据来源 ---------- */
.page-products .source-grid {
  display: grid;
  gap: var(--pd-gap);
  align-items: start;
}

.page-products .source-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-products .source-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-products .source-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.6rem;
  height: 1px;
  background: var(--gold);
}

.page-products .source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.75rem 0 0;
}

@media (min-width: 940px) {
  .page-products .source-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-products .source-grid .figure {
    margin-top: 0;
  }
}

/* ---------- 收尾 ---------- */
.page-products .cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--pd-line);
  border-left: 3px solid var(--neon);
  background: var(--pd-panel);
}

.page-products .cta__text {
  flex: 1 1 22rem;
  min-width: 0;
}

.page-products .cta__text .section__title {
  margin: 0;
}

.page-products .cta__text .section__lead {
  margin: 0.7rem 0 0;
  max-width: 46ch;
}

.page-products .cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 520px) {
  .page-products .step {
    padding-left: 2.9rem;
  }

  .page-products .step::after {
    left: 0.95rem;
  }

  .page-products .step__num {
    width: 1.9rem;
    height: 1.9rem;
    font-size: 0.75rem;
  }

  .page-products .spec-rows {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.25rem 0;
  }

  .page-products .spec-rows dd {
    margin-bottom: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .view-panel,
  .page-products .field-group .disclosure__panel {
    transition: none;
  }
}