.page-products .tools-hero {
  position: relative;
  overflow: hidden;
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(680px 340px at 82% 12%, rgba(0, 240, 212, .09), transparent 68%),
    radial-gradient(520px 300px at 8% 88%, rgba(123, 77, 255, .07), transparent 70%);
  pointer-events: none;
}

.page-products .tools-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .tools-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-products .tools-hero__title {
  margin: 10px 0 16px;
  line-height: 1.04;
  letter-spacing: -.02em;
  font-size: clamp(38px, 9vw, 76px);
}

.page-products .tools-hero__lead .lede {
  max-width: 46ch;
  margin-bottom: 24px;
}

.page-products .tools-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .tools-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .04em;
}

.page-products .tools-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .tools-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.page-products .tools-hero__figure::before,
.page-products .tools-hero__figure::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--cyan);
  border-style: solid;
  pointer-events: none;
}

.page-products .tools-hero__figure::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.page-products .tools-hero__figure::after {
  right: -1px;
  bottom: -1px;
  border-width: 0 2px 2px 0;
}

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

.page-products .tools-hero__figure .figure__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.page-products .tools-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 40px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .tools-stats .stat {
  background: var(--panel-2);
  padding: 18px 16px;
}

.page-products .tools-stats .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 34px);
  color: var(--cyan);
  letter-spacing: .02em;
  line-height: 1.1;
}

.page-products .tools-stats .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .06em;
}

/* ---------- 02 短名单 ---------- */
.page-products .shortlist-grid {
  align-items: start;
}

.page-products .shortlist-figure,
.page-products .library-figure,
.page-products .subscribe-figure,
.page-products .tier-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.page-products .shortlist-figure img,
.page-products .library-figure img,
.page-products .subscribe-figure img,
.page-products .tier-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-products .shortlist-figure .figure__caption,
.page-products .library-figure .figure__caption,
.page-products .subscribe-figure .figure__caption,
.page-products .tier-figure .figure__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.page-products .shortlist-panel {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .shortlist-fieldbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.page-products .shortlist-fieldbar__label {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .08em;
  margin-right: 4px;
}

.page-products .roster-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .roster-row {
  display: grid;
  grid-template-columns: 5.5em 3.4em 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 140ms var(--ease), box-shadow 140ms var(--ease);
}

.page-products .roster-row:hover,
.page-products .roster-row:focus-within {
  background: rgba(0, 240, 212, .05);
  box-shadow: inset 2px 0 0 0 var(--cyan);
}

.page-products .roster-row__team {
  font-size: 13px;
  color: var(--text);
  letter-spacing: .04em;
}

.page-products .roster-row__pos {
  font-size: 13px;
  color: var(--muted);
}

.page-products .roster-row__time {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .04em;
  text-align: right;
}

.page-products .shortlist-filter {
  padding: 16px;
  background: var(--panel-2);
}

.page-products .shortlist-filter__title {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-products .shortlist-filter__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .shortlist-filter__list dt {
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
}

.page-products .shortlist-filter__list dd {
  margin: 3px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 03 资料库 ---------- */
.page-products .library-grid {
  align-items: start;
}

.page-products .library-folds {
  display: grid;
  gap: 10px;
}

.page-products .lib-fold {
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 140ms var(--ease);
}

.page-products .lib-fold[open] {
  border-color: rgba(0, 240, 212, .38);
}

.page-products .lib-fold:hover {
  border-color: rgba(0, 240, 212, .28);
}

.page-products .lib-fold__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .lib-fold__summary::-webkit-details-marker {
  display: none;
}

.page-products .lib-fold__summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
  margin-right: 10px;
  font-size: 15px;
}

.page-products .lib-fold[open] .lib-fold__summary::before {
  content: "–";
}

.page-products .lib-fold__name {
  flex: 1 1 auto;
  font-size: 15px;
  color: var(--text);
  font-weight: 600;
}

.page-products .lib-fold__count {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .04em;
}

.page-products .lib-fold__list {
  margin: 0;
  padding: 0 16px 16px 42px;
  list-style: none;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
}

.page-products .lib-fold__list li {
  position: relative;
  padding: 5px 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

.page-products .lib-fold__list li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 14px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 04 权益对照 ---------- */
.page-products .tier-legend {
  display: flex;
  gap: 20px;
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .06em;
}

.page-products .tier-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .tier-mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  vertical-align: middle;
}

.page-products .tier-mark--on {
  border-color: var(--cyan);
  background: radial-gradient(circle at center, var(--cyan) 0 44%, transparent 46%);
  box-shadow: 0 0 8px rgba(0, 240, 212, .35);
}

.page-products .tier-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .tier-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-products .tier-table__caption {
  text-align: left;
  padding: 14px 16px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .06em;
  border-bottom: 1px solid var(--line);
}

.page-products .tier-table th,
.page-products .tier-table td {
  padding: 13px 16px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}

.page-products .tier-table thead th {
  background: var(--panel-2);
  color: var(--text);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}

.page-products .tier-table tbody th {
  color: var(--muted);
  font-weight: 500;
}

.page-products .tier-table tbody td {
  color: var(--text);
}

.page-products .tier-table__tier {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-products .tier-table tr:hover th,
.page-products .tier-table tr:hover td {
  background: rgba(0, 240, 212, .04);
}

.page-products .tier-table :focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .tier-figure {
  margin-top: 22px;
}

/* ---------- 05 订阅 ---------- */
.page-products .subscribe-grid {
  align-items: start;
}

.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .step-list__item {
  background: var(--panel);
  padding: 18px 16px;
  transition: background-color 140ms var(--ease);
}

.page-products .step-list__item:hover {
  background: var(--panel-2);
}

.page-products .step-list__num {
  display: inline-block;
  font-size: 13px;
  color: var(--violet);
  letter-spacing: .08em;
  margin-bottom: 8px;
}

.page-products .step-list__title {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--text);
}

.page-products .step-list__item p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.page-products .subscribe-note {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: var(--panel-2);
}

.page-products .subscribe-note p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.page-products .subscribe-note__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- 06 系统要求 ---------- */
.page-products .req-grid {
  display: grid;
  gap: 14px;
}

.page-products .req-card {
  padding: 20px 18px;
}

.page-products .req-card--accent {
  border-color: rgba(0, 240, 212, .32);
  background: linear-gradient(180deg, rgba(0, 240, 212, .07), transparent 62%), var(--panel);
}

.page-products .req-card__title {
  margin: 8px 0 14px;
  font-size: 19px;
  color: var(--text);
  letter-spacing: -.01em;
}

.page-products .req-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .req-card__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .req-card__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .req-card__list .mono {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .06em;
  min-width: 5em;
}

.page-products .tools-cta {
  display: grid;
  gap: 18px;
  margin-top: 26px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.page-products .tools-cta__title {
  margin: 0 0 8px;
  font-size: clamp(20px, 4vw, 26px);
  color: var(--text);
}

.page-products .tools-cta__text p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 52ch;
}

.page-products .tools-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-products a:focus-visible,
.page-products summary:focus-visible,
.page-products [tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (min-width: 760px) {
  .page-products .tools-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .req-card--accent {
    grid-column: 1 / -1;
  }

  .page-products .tools-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 28px 26px;
  }
}

@media (min-width: 980px) {
  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
    gap: 40px;
    margin-top: 34px;
  }

  .page-products .shortlist-grid,
  .page-products .library-grid,
  .page-products .subscribe-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 34px;
  }

  .page-products .library-grid .library-folds {
    grid-column: 1;
  }

  .page-products .library-grid .library-figure {
    grid-column: 2;
  }

  .page-products .subscribe-grid .subscribe-steps {
    grid-column: 1;
  }

  .page-products .subscribe-grid .subscribe-figure {
    grid-column: 2;
  }

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

  .page-products .req-card--accent {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .roster-row,
  .page-products .lib-fold,
  .page-products .step-list__item {
    transition: none;
  }
}