.page-products {
  --p-gap: clamp(16px, 2.2vw, 28px);
  --p-pad: clamp(20px, 3vw, 38px);
  --p-soft: rgba(242, 244, 255, 0.78);
  position: relative;
  background:
    radial-gradient(120% 60% at 10% 0%, rgba(42, 27, 74, 0.85) 0%, rgba(10, 10, 18, 0) 62%),
    radial-gradient(90% 50% at 100% 30%, rgba(34, 224, 255, 0.08) 0%, rgba(10, 10, 18, 0) 70%),
    var(--midnight);
  color: var(--mist);
  overflow-x: clip;
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* ---------- HERO ---------- */
.page-products .p-hero {
  position: relative;
  margin-top: calc(var(--header-h) * -1);
  padding-top: calc(var(--header-h) + clamp(26px, 6vw, 76px));
  padding-bottom: clamp(36px, 6vw, 78px);
  border-bottom: 2px solid var(--line);
}

.page-products .p-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(180deg, rgba(242, 244, 255, 0.05) 0 1px, transparent 1px 5px);
  pointer-events: none;
  opacity: 0.7;
}

.page-products .p-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
}

.page-products .p-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(42px, 8.6vw, 116px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  color: var(--mist);
  text-shadow: 3px 3px 0 rgba(255, 46, 136, 0.5), -2px -2px 0 rgba(34, 224, 255, 0.32);
}

.page-products .p-hero__lead {
  max-width: 34em;
  font-size: clamp(16px, 1.15vw, 17px);
  line-height: 1.78;
  color: var(--p-soft);
  margin: 0 0 22px;
}

.page-products .p-hero__rail {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-products .p-rail__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(20, 26, 58, 0.92);
  font-size: 14px;
}

.page-products .p-rail__k {
  color: var(--violet-gray);
  letter-spacing: 0.04em;
}

.page-products .p-rail__v {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* ---------- 章节头 ---------- */
.page-products .p-sec-head {
  display: grid;
  gap: var(--p-gap);
  margin-bottom: clamp(24px, 4vw, 48px);
}

.page-products .p-sec-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 10px 0 14px;
}

.page-products .p-sec-lead {
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--p-soft);
  margin: 0;
}

.page-products .p-sec-lead a,
.page-products .p-check__foot a,
.page-products .p-compat__list a,
.page-products .step-card__text a,
.page-products .p-cycle__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, 0.45);
}

.page-products .p-sec-lead a:hover,
.page-products .p-check__foot a:hover,
.page-products .p-compat__list a:hover,
.page-products .step-card__text a:hover,
.page-products .p-cycle__text a:hover {
  border-bottom-color: var(--magenta);
  color: var(--magenta);
}

/* ---------- 图片框 ---------- */
.page-products .figure-frame {
  position: relative;
  display: block;
  margin: 0;
  border: 2px solid var(--line);
  background: rgba(20, 26, 58, 0.6);
  overflow: hidden;
}

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

.page-products .figure-frame__caption {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--midnight);
  background: var(--cyan);
}

/* ---------- 分区导览 ---------- */
.page-products .p-zones__figure {
  max-width: 320px;
  justify-self: start;
}

.page-products .p-zones__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(80%, 320px);
  gap: var(--p-gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 14px;
  -webkit-overflow-scrolling: touch;
}

.page-products .zone-card {
  --zone: var(--cyan);
  position: relative;
  scroll-snap-align: start;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: var(--p-pad);
  background: linear-gradient(160deg, rgba(20, 26, 58, 0.97), rgba(28, 31, 46, 0.97));
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  transition: border-color 200ms var(--ease-hard), box-shadow 200ms var(--ease-hard), transform 200ms var(--ease-hard);
}

.page-products .zone-card::after {
  content: "";
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 28px;
  height: 28px;
  background: var(--midnight);
  border-left: 2px solid var(--line);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.page-products .zone-card:nth-child(1) { --zone: var(--cyan); }
.page-products .zone-card:nth-child(2) { --zone: var(--magenta); }
.page-products .zone-card:nth-child(3) { --zone: var(--yellow); }
.page-products .zone-card:nth-child(4) { --zone: var(--green); }

.page-products .zone-card:hover {
  border-color: var(--zone);
  box-shadow: 0 0 0 1px var(--zone), var(--shadow-hard);
  transform: translateY(-4px);
}

.page-products .zone-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .zone-card__no {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--zone);
}

.page-products .zone-card__icon {
  width: 38px;
  height: 38px;
  color: var(--zone);
  flex: none;
}

.page-products .zone-card__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: 0.01em;
  margin: 0;
}

.page-products .zone-card__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--p-soft);
  margin: 0;
}

.page-products .zone-card__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .zone-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  color: var(--violet-gray);
  letter-spacing: 0.02em;
}

.page-products .zone-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--zone);
}

/* ---------- 自检卡 ---------- */
.page-products .p-check__grid {
  display: grid;
  gap: var(--p-gap);
  align-items: start;
}

.page-products .p-check__card {
  padding: var(--p-pad);
  background: rgba(20, 26, 58, 0.92);
  transition: border-color 400ms var(--ease-hard);
}

.page-products .p-check__card[data-reveal-state="in"] {
  border-color: var(--cyan);
}

.page-products .p-check__card h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.1;
  margin: 10px 0 14px;
}

.page-products .p-check__lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--p-soft);
  margin: 0 0 8px;
  max-width: 40em;
}

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

.page-products .p-check__item {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 20px 0 20px 14px;
  border-top: 1px solid var(--line-soft);
}

.page-products .p-check__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 3px;
  height: 34px;
  background: var(--line-soft);
  transition: background 240ms var(--ease-hard);
}

.page-products .p-check__item:hover::before {
  background: var(--green);
}

.page-products .p-check__no {
  font-size: 15px;
  color: var(--cyan);
  letter-spacing: 0.1em;
  padding-top: 2px;
}

.page-products .p-check__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  margin: 0 0 8px;
}

.page-products .p-check__text {
  font-size: 15px;
  line-height: 1.78;
  color: var(--p-soft);
  margin: 0 0 8px;
}

.page-products .p-check__sig {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green);
  margin: 0;
}

.page-products .p-check__foot {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--violet-gray);
}

.page-products .p-check__rail {
  display: grid;
  gap: 10px;
}

.page-products .p-rail__block {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: rgba(28, 31, 46, 0.92);
  border: 2px solid var(--line-soft);
}

.page-products .p-rail__block--hint {
  border-color: var(--line-magenta);
}

.page-products .p-rail__block-k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--violet-gray);
  text-transform: uppercase;
}

.page-products .p-rail__block-v {
  font-size: 20px;
  color: var(--mist);
}

.page-products .p-rail__block--hint .p-rail__block-v {
  color: var(--magenta);
}

/* ---------- 兼容对照 ---------- */
.page-products .p-compat__grid {
  display: grid;
  gap: var(--p-gap);
  align-items: start;
}

.page-products .p-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--line);
  background: rgba(20, 26, 58, 0.7);
  -webkit-overflow-scrolling: touch;
}

.page-products .p-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .p-table__caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet-gray);
}

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

.page-products .p-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(10, 10, 18, 0.8);
  border-bottom: 2px solid var(--line);
}

.page-products .p-table tbody tr:nth-child(odd) {
  background: rgba(28, 31, 46, 0.72);
}

.page-products .p-table tbody td:last-child {
  color: var(--yellow);
  font-size: 13.5px;
}

.page-products .p-compat__side {
  display: grid;
  gap: var(--p-gap);
}

.page-products .p-compat__note {
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(28, 31, 46, 0.85);
}

.page-products .p-compat__note-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  margin: 0 0 12px;
  color: var(--magenta);
}

.page-products .p-compat__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .p-compat__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--p-soft);
}

.page-products .p-compat__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 2px;
  background: var(--magenta);
}

.page-products .p-compat__list .mono {
  color: var(--yellow);
  font-size: 13px;
}

/* ---------- 双端差异 ---------- */
.page-products .p-duo__grid {
  display: grid;
  gap: var(--p-gap);
  align-items: start;
}

.page-products .p-duo__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line);
}

.page-products .p-duo__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .p-duo__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .p-duo__a,
.page-products .p-duo__b {
  font-size: 14.5px;
  line-height: 1.66;
}

.page-products .p-duo__a {
  color: var(--mist);
}

.page-products .p-duo__b {
  color: var(--p-soft);
}

.page-products .p-duo__a::before {
  content: "电脑端 · ";
  color: var(--violet-gray);
}

.page-products .p-duo__b::before {
  content: "手机端 · ";
  color: var(--violet-gray);
}

.page-products .p-duo__extra {
  display: grid;
  gap: var(--p-gap);
  margin-top: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-products .p-duo__extra-text h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 28px);
  margin: 0 0 12px;
}

.page-products .p-duo__extra-text p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--p-soft);
  margin: 0 0 12px;
  max-width: 34em;
}

/* ---------- 入场四步 ---------- */
.page-products .p-steps__figure {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-products .p-steps__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--p-gap);
}

.page-products .step-card {
  position: relative;
  padding: var(--p-pad);
  background: rgba(28, 31, 46, 0.9);
  border: 2px solid var(--line-soft);
  border-left: 6px solid var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-products .step-card:nth-child(2) { border-left-color: var(--magenta); }
.page-products .step-card:nth-child(3) { border-left-color: var(--yellow); }
.page-products .step-card:nth-child(4) { border-left-color: var(--green); }

.page-products .step-card__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--violet-gray);
  margin-bottom: 10px;
}

.page-products .step-card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2vw, 23px);
  margin: 0 0 10px;
}

.page-products .step-card__text {
  font-size: 15px;
  line-height: 1.78;
  color: var(--p-soft);
  margin: 0;
}

/* ---------- 修复节奏 ---------- */
.page-products .p-cycle__line {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  border-left: 2px solid var(--line);
  padding-left: clamp(18px, 3vw, 34px);
}

.page-products .p-cycle__item {
  position: relative;
}

.page-products .p-cycle__item::before {
  content: "";
  position: absolute;
  left: calc(clamp(18px, 3vw, 34px) * -1 - 6px);
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--magenta);
}

.page-products .p-cycle__item:nth-child(2)::before { background: var(--cyan); }
.page-products .p-cycle__item:nth-child(3)::before { background: var(--yellow); }

.page-products .p-cycle__tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 3px 10px;
  margin-bottom: 12px;
}

.page-products .p-cycle__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 2.8vw, 32px);
  margin: 0 0 8px;
}

.page-products .p-cycle__text {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--p-soft);
  margin: 0;
  max-width: 36em;
}

/* ---------- 收束 ---------- */
.page-products .p-cta__panel {
  padding: clamp(26px, 4vw, 56px);
  background: linear-gradient(140deg, rgba(42, 27, 74, 0.95), rgba(20, 26, 58, 0.95));
  border: 2px solid var(--line);
}

.page-products .p-cta__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 48px);
  line-height: 1.08;
  margin: 10px 0 14px;
}

.page-products .p-cta__text {
  font-size: 16px;
  line-height: 1.78;
  color: var(--p-soft);
  margin: 0 0 22px;
  max-width: 38em;
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-products .p-check__item {
    animation: p-item-in 700ms var(--ease-hard) both;
  }
  .page-products .p-check__item:nth-child(2) { animation-delay: 90ms; }
  .page-products .p-check__item:nth-child(3) { animation-delay: 180ms; }
  .page-products .p-check__item:nth-child(4) { animation-delay: 270ms; }
}

@keyframes p-item-in {
  from { opacity: 0.001; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .p-duo__row {
    grid-template-columns: 110px minmax(0, 1fr) minmax(0, 1fr);
    align-items: baseline;
  }
  .page-products .p-steps__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .step-card:nth-child(2) { margin-top: 28px; }
  .page-products .step-card:nth-child(4) { margin-top: 28px; }
}

@media (min-width: 900px) {
  .page-products .p-sec-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.6fr);
    align-items: end;
    gap: clamp(24px, 4vw, 60px);
  }
  .page-products .p-sec-head__text {
    max-width: 42em;
  }
  .page-products .p-zones__figure {
    justify-self: end;
    max-width: 300px;
  }
  .page-products .p-zones__track {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }
  .page-products .zone-card:nth-child(1) { grid-column: 1 / span 6; }
  .page-products .zone-card:nth-child(2) { grid-column: 8 / span 5; margin-top: 44px; }
  .page-products .zone-card:nth-child(3) { grid-column: 1 / span 5; margin-top: 8px; }
  .page-products .zone-card:nth-child(4) { grid-column: 7 / span 6; margin-top: 8px; }
  .page-products .p-compat__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
  .page-products .p-duo__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(24px, 3.4vw, 52px);
  }
  .page-products .p-duo__extra {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: clamp(24px, 3.4vw, 52px);
  }
  .page-products .p-cycle__line {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-left: none;
    padding-left: 0;
    border-top: 2px solid var(--line);
    padding-top: clamp(24px, 3vw, 40px);
  }
  .page-products .p-cycle__item::before {
    left: 0;
    top: calc(clamp(24px, 3vw, 40px) * -1 - 6px);
  }
  .page-products .p-cycle__item {
    padding-right: clamp(16px, 2.4vw, 32px);
  }
}

@media (min-width: 1024px) {
  .page-products .p-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: clamp(28px, 4vw, 64px);
  }
  .page-products .p-hero__main {
    max-width: 46em;
  }
  .page-products .p-check__grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: clamp(24px, 3vw, 44px);
  }
  .page-products .p-check__rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}
<<<END>>>
