.page-products {
  --pp-gap: clamp(18px, 3vw, 34px);
  --pp-pad: clamp(20px, 3vw, 34px);
  background: var(--yx-navy);
  color: var(--yx-ice);
  font-family: var(--yx-font-body);
  overflow-x: clip;
}

.page-products .pp-sec {
  position: relative;
  padding-block: clamp(36px, 6vw, 86px);
}

.page-products .pp-sec + .pp-sec {
  border-top: 1px solid var(--yx-line);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-block: clamp(22px, 4vw, 46px) clamp(38px, 6vw, 84px);
  border-top: 0;
}

.page-products .pp-hero__title {
  margin: 14px 0 0;
  font-family: var(--yx-font-display);
  font-weight: 300;
  font-size: clamp(36px, 7.2vw, 90px);
  line-height: 1.02;
  letter-spacing: .005em;
  max-width: 22ch;
}

.page-products .pp-hero__lead {
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--yx-mist);
  max-width: 64ch;
}

.page-products .pp-hero__doors {
  margin-top: clamp(26px, 4vw, 48px);
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .pp-door {
  display: grid;
  gap: 8px;
  padding: 22px 24px 26px;
  text-decoration: none;
  color: var(--yx-ice);
  background: var(--yx-glass);
  border: 1px solid var(--yx-line);
  border-top-width: 3px;
  backdrop-filter: blur(8px);
  transition: transform .28s var(--yx-ease), background .28s var(--yx-ease), border-color .28s var(--yx-ease);
}

.page-products .pp-door:hover,
.page-products .pp-door:focus-visible {
  transform: translateY(-2px);
  background: var(--yx-glass-hi);
  border-color: var(--yx-signal-dim);
}

.page-products .pp-door:focus-visible {
  outline: 2px solid var(--yx-signal);
  outline-offset: 3px;
}

.page-products .pp-door--big { border-top-color: var(--yx-signal); }
.page-products .pp-door--mobile { border-top-color: var(--yx-amber); }

.page-products .pp-door__tag {
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--yx-mist);
}

.page-products .pp-door__name {
  font-family: var(--yx-font-display);
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.1;
}

.page-products .pp-door__desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--yx-mist);
}

/* ---------- 01 选择判断 ---------- */
.page-products .pp-choose__grid {
  margin-top: var(--pp-gap);
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  background: var(--yx-line);
}

.page-products .pp-choose__cell {
  background: var(--yx-navy);
  padding: var(--pp-pad);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-products .pp-choose__num {
  font-family: var(--yx-font-numeric);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--yx-signal);
}

.page-products .pp-choose__h {
  margin: 0;
  font-family: var(--yx-font-display);
  font-weight: 300;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.2;
}

.page-products .pp-choose__p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yx-mist);
}

.page-products .pp-compare {
  margin-top: var(--pp-gap);
  overflow-x: auto;
}

.page-products .pp-compare__cap {
  caption-side: top;
  text-align: left;
  padding-bottom: 12px;
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yx-mist);
}

.page-products .pp-compare table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
}

.page-products .pp-compare th,
.page-products .pp-compare td {
  text-align: left;
  vertical-align: top;
  padding: 14px 16px;
  border-bottom: 1px solid var(--yx-line);
}

.page-products .pp-compare thead th {
  font-family: var(--yx-font-numeric);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yx-mist);
}

.page-products .pp-compare tbody th {
  font-weight: 400;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--yx-mist);
  white-space: nowrap;
}

.page-products .pp-compare tbody td {
  font-size: 15px;
  line-height: 1.7;
}

.page-products .pp-compare tbody tr {
  transition: background .22s var(--yx-ease);
}

.page-products .pp-compare tbody tr:hover {
  background: rgba(43, 227, 167, .07);
}

/* ---------- 02 双轨对照 ---------- */
.page-products .pp-tracks__grid {
  margin-top: var(--pp-gap);
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-products .pp-track {
  position: relative;
  padding: var(--pp-pad);
  border-left: 3px solid var(--yx-line);
}

.page-products .pp-track--big {
  background: var(--yx-teal);
  border-left-color: var(--yx-signal);
}

.page-products .pp-track--mobile {
  background: var(--yx-indigo);
  border-left-color: var(--yx-amber);
}

.page-products .pp-track__badge {
  margin: 0;
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--yx-signal);
}

.page-products .pp-track--mobile .pp-track__badge {
  color: var(--yx-amber);
}

.page-products .pp-track__title {
  margin: 10px 0 0;
  font-family: var(--yx-font-display);
  font-weight: 300;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.06;
}

.page-products .pp-track__lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--yx-ice);
}

.page-products .pp-track__fig {
  margin: 22px 0 0;
}

.page-products .pp-track__fig--tall {
  max-width: 320px;
}

.page-products .pp-track__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-track__list li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--yx-mist);
  padding-left: 16px;
  border-left: 2px solid var(--yx-line);
}

.page-products .pp-track__list strong {
  display: block;
  font-weight: 500;
  color: var(--yx-ice);
  margin-bottom: 2px;
}

.page-products .pp-track__note {
  margin: 18px 0 0;
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  line-height: 1.8;
  color: var(--yx-mist);
}

.page-products .pp-kv {
  margin: 22px 0 0;
  display: grid;
  gap: 1px;
  background: var(--yx-line);
}

.page-products .pp-kv__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 14px;
  background: var(--yx-indigo);
}

.page-products .pp-kv dt {
  font-size: 13px;
  color: var(--yx-mist);
}

.page-products .pp-kv dd {
  margin: 0;
  font-family: var(--yx-font-numeric);
  font-size: 16px;
  color: var(--yx-ice);
}

.page-products .pp-spec-wrap {
  margin-top: 24px;
  overflow-x: auto;
}

.page-products .pp-spec__title {
  margin: 0 0 10px;
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yx-mist);
}

.page-products .pp-spec {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
}

.page-products .pp-spec th,
.page-products .pp-spec td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--yx-line);
  font-family: var(--yx-font-numeric);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--yx-ice);
}

.page-products .pp-spec thead th {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--yx-mist);
}

.page-products .pp-spec tbody tr {
  transition: background .22s var(--yx-ease);
}

.page-products .pp-spec tbody tr:hover {
  background: rgba(43, 227, 167, .09);
}

/* ---------- 03 六栏目 ---------- */
.page-products .pp-cols__fig {
  margin: var(--pp-gap) 0 0;
}

.page-products .pp-cols__grid {
  margin-top: var(--pp-gap);
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-products .pp-col {
  background: var(--yx-glass);
  border-left: 2px solid var(--yx-line);
  backdrop-filter: blur(8px);
  transition: background .25s var(--yx-ease), border-color .25s var(--yx-ease);
}

.page-products .pp-col[open],
.page-products .pp-col:hover {
  background: var(--yx-glass-hi);
  border-left-color: var(--yx-signal);
}

.page-products .pp-col__sum {
  cursor: pointer;
  list-style: none;
  display: grid;
  gap: 6px;
  padding: 18px 20px;
}

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

.page-products .pp-col__sum:focus-visible {
  outline: 2px solid var(--yx-signal);
  outline-offset: -2px;
}

.page-products .pp-col__no {
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--yx-signal);
}

.page-products .pp-col__name {
  font-family: var(--yx-font-display);
  font-weight: 300;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.15;
}

.page-products .pp-col__hint {
  font-size: 14px;
  line-height: 1.7;
  color: var(--yx-mist);
}

.page-products .pp-col__body {
  padding: 0 20px 20px;
  background: rgba(10, 23, 41, .82);
  margin: 0 0 0 0;
}

.page-products .pp-col__body p {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--yx-line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--yx-mist);
}

/* ---------- 04 订阅提醒 ---------- */
.page-products .pp-alerts__grid {
  margin-top: var(--pp-gap);
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-products .pp-alert {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px var(--pp-pad);
  background: var(--yx-glass);
  border-left: 3px solid var(--yx-amber);
}

.page-products .pp-alert__pulse {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--yx-amber);
  animation: pp-pulse 2.4s var(--yx-ease) infinite;
}

@keyframes pp-pulse {
  0% { box-shadow: 0 0 0 0 var(--yx-amber-dim); }
  70% { box-shadow: 0 0 0 12px rgba(255, 162, 58, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 162, 58, 0); }
}

.page-products .pp-alert__h {
  margin: 0 0 6px;
  font-family: var(--yx-font-display);
  font-weight: 300;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.2;
}

.page-products .pp-alert__p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yx-mist);
}

.page-products .pp-alerts__fig {
  margin: var(--pp-gap) 0 0;
}

/* ---------- 05 上手三步 ---------- */
.page-products .pp-steps__list {
  list-style: none;
  margin: var(--pp-gap) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-products .pp-step {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: var(--pp-pad);
  background: var(--yx-glass);
  border: 1px solid var(--yx-line);
  transition: background .25s var(--yx-ease), transform .25s var(--yx-ease);
}

.page-products .pp-step:hover,
.page-products .pp-step:focus-visible {
  background: var(--yx-glass-hi);
  transform: translateY(-2px);
}

.page-products .pp-step:focus-visible {
  outline: 2px solid var(--yx-signal);
  outline-offset: 3px;
}

.page-products .pp-step__no {
  font-family: var(--yx-font-numeric);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--yx-signal);
}

.page-products .pp-step__h {
  margin: 0;
  font-family: var(--yx-font-display);
  font-weight: 300;
  font-size: clamp(21px, 2.3vw, 28px);
  line-height: 1.15;
}

.page-products .pp-step__p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yx-mist);
}

.page-products .pp-service {
  margin-top: var(--pp-gap);
  padding: var(--pp-pad);
  border-top: 1px solid var(--yx-line);
}

.page-products .pp-service__lead {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yx-mist);
}

/* ---------- 06 下一步 ---------- */
.page-products .pp-next__grid {
  margin-top: var(--pp-gap);
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-products .pp-next__link {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  text-decoration: none;
  color: var(--yx-ice);
  background: var(--yx-glass);
  border-bottom: 2px solid var(--yx-signal);
  transition: background .25s var(--yx-ease), transform .25s var(--yx-ease);
}

.page-products .pp-next__link:hover,
.page-products .pp-next__link:focus-visible {
  background: var(--yx-glass-hi);
  transform: translateY(-2px);
}

.page-products .pp-next__link:focus-visible {
  outline: 2px solid var(--yx-signal);
  outline-offset: 3px;
}

.page-products .pp-next__k {
  font-family: var(--yx-font-display);
  font-weight: 300;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.15;
}

.page-products .pp-next__v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--yx-mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pp-hero__doors { grid-template-columns: 1fr 1fr; gap: 20px; }
  .page-products .pp-choose__grid { grid-template-columns: repeat(3, 1fr); }
  .page-products .pp-cols__grid { grid-template-columns: 1fr 1fr; }
  .page-products .pp-next__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 900px) {
  .page-products .pp-tracks__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .pp-track--mobile {
    margin-top: clamp(36px, 6vw, 92px);
  }
  .page-products .pp-alerts__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .pp-steps__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1080px) {
  .page-products .pp-cols__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .page-products .pp-compare table { min-width: 520px; }
  .page-products .pp-spec { min-width: 420px; }
  .page-products .pp-track__fig--tall { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-alert__pulse { animation: none; }
  .page-products .pp-door,
  .page-products .pp-step,
  .page-products .pp-next__link,
  .page-products .pp-col {
    transition: none;
  }
  .page-products .pp-door:hover,
  .page-products .pp-door:focus-visible,
  .page-products .pp-step:hover,
  .page-products .pp-step:focus-visible,
  .page-products .pp-next__link:hover,
  .page-products .pp-next__link:focus-visible {
    transform: none;
  }
}