.page-products {
  --pp-gap: 1.25rem;
  --pp-radius: 3px;
  --pp-line-w: 1px;
  background: var(--night-900);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(2.5rem, 6vw, 4.5rem);
  overflow: hidden;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--tick) 1px, transparent 1px),
    linear-gradient(to bottom, var(--tick) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.7;
}

.page-products .pp-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 1.5rem;
}

.page-products .pp-hero__title {
  margin: 0.65rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 7vw, 3.6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 18ch;
}

.page-products .pp-hero__lede {
  color: rgba(244, 235, 216, 0.82);
  max-width: 52ch;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .pp-hero__media {
  margin: 0;
}

.page-products .pp-hero__media .media__frame {
  border: var(--pp-line-w) solid var(--line-gold);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--night-700);
}

.page-products .pp-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pp-hero__media .media__caption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
  color: var(--slate);
}

.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.5rem;
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  padding: 1.25rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.page-products .pp-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-products .pp-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.01em;
}

.page-products .pp-stat__label {
  font-size: var(--fs-sm);
  color: rgba(244, 235, 216, 0.66);
  letter-spacing: 0.02em;
}

/* ---------- 章节标题通用 ---------- */
.page-products .pp-sec-head {
  max-width: 62ch;
}

.page-products .pp-sec-head .h-section {
  margin: 0.5rem 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pp-sec-head__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.85;
  color: rgba(42, 33, 27, 0.78);
}

.page-products .pp-sec-head--light .h-section {
  color: var(--paper);
}

.page-products .pp-sec-head--light .pp-sec-head__text {
  color: rgba(244, 235, 216, 0.76);
}

.page-products .pp-sec-head--light .eyebrow {
  color: var(--gold);
}

/* ---------- 入口总览：错位卡片 ---------- */
.page-products .pp-lines {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-products .pp-lines__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .pp-line {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.15rem 1.15rem 1.25rem;
  border: var(--pp-line-w) solid var(--line-ink);
  border-top: 3px solid var(--gold);
  border-radius: var(--pp-radius);
  background: rgba(255, 252, 244, 0.72);
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-products .pp-line:hover,
.page-products .pp-line:focus-within {
  border-color: var(--gold-deep);
  border-top-color: var(--gold-deep);
}

.page-products .pp-line .card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-products .pp-line .card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .pp-line .card__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: rgba(42, 33, 27, 0.8);
}

.page-products .pp-line__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-products .pp-line .card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-top: auto;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--line-ink);
}

.page-products .pp-line__issue {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--slate);
}

/* ---------- 三步方法 ---------- */
.page-products .pp-steps {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-products .pp-steps__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-products .pp-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  position: relative;
}

.page-products .pp-step {
  position: relative;
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.1rem 0 1.35rem;
  border-bottom: 1px solid var(--line-light);
}

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

.page-products .pp-step__num {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.02em;
  padding-top: 0.1rem;
}

.page-products .pp-step__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .pp-step__body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: rgba(244, 235, 216, 0.74);
}

.page-products .pp-steps__media {
  margin: 0;
}

.page-products .pp-steps__media .media__frame,
.page-products .pp-status__media .media__frame,
.page-products .pp-devices__media .media__frame,
.page-products .pp-cadence__media .media__frame {
  border: var(--pp-line-w) solid var(--line-gold);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--night-700);
}

.page-products .pp-steps__media .media__img,
.page-products .pp-status__media .media__img,
.page-products .pp-devices__media .media__img,
.page-products .pp-cadence__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pp-steps__media .media__caption,
.page-products .pp-status__media .media__caption,
.page-products .pp-devices__media .media__caption,
.page-products .pp-cadence__media .media__caption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- 状态说明 ---------- */
.page-products .pp-status {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-products .pp-status__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-products .pp-status__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-products .pp-status__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  padding: 0.95rem 0 1.05rem;
  border-bottom: 1px solid var(--line-ink);
}

.page-products .pp-status__name {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pp-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex: none;
  box-shadow: 0 0 0 1px rgba(42, 33, 27, 0.15);
}

.page-products .pp-dot--ice {
  background: var(--ice);
}

.page-products .pp-dot--gold {
  background: var(--gold);
}

.page-products .pp-dot--poplar {
  background: var(--poplar);
}

.page-products .pp-dot--slate {
  background: var(--slate);
}

.page-products .pp-status__code {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-products .pp-status__desc {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: rgba(42, 33, 27, 0.8);
}

/* ---------- 设备对位 ---------- */
.page-products .pp-devices {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-products .pp-devices__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-products .pp-devices__media {
  margin: 0;
}

.page-products .pp-devices__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .pp-device {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem 1rem 1.1rem;
  border: var(--pp-line-w) solid var(--line-light);
  border-radius: var(--pp-radius);
  background: rgba(31, 78, 107, 0.22);
  transition: border-color var(--t-fast) var(--ease);
}

.page-products .pp-device:hover {
  border-color: var(--line-gold);
}

.page-products .pp-device__shape {
  display: block;
  margin-top: 0.2rem;
  justify-self: center;
}

.page-products .pp-device__shape--phone {
  width: 30px;
  height: 52px;
  border: 1.5px solid var(--gold);
  border-radius: 7px;
}

.page-products .pp-device__shape--tablet {
  width: 46px;
  height: 60px;
  border: 1.5px solid var(--ice);
  border-radius: 6px;
}

.page-products .pp-device__shape--desktop {
  width: 64px;
  height: 42px;
  border: 1.5px solid var(--slate);
  border-radius: 3px;
  align-self: center;
}

.page-products .pp-device__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: var(--fs-base);
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-products .pp-device__body p {
  margin: 0 0 0.45rem;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(244, 235, 216, 0.74);
}

.page-products .pp-device__map {
  font-family: var(--font-mono);
  font-size: var(--fs-xs) !important;
  letter-spacing: 0.03em;
  color: var(--gold) !important;
}

.page-products .pp-mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ---------- 版本适配 ---------- */
.page-products .pp-cadence {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-products .pp-cadence__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
  align-items: start;
}

.page-products .pp-cadence__media {
  margin: 0;
}

.page-products .pp-cadence__body .h-section {
  margin: 0.5rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  line-height: 1.16;
  color: var(--ink);
}

.page-products .pp-cadence__body > p {
  margin: 0 0 0.9rem;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.85;
  color: rgba(42, 33, 27, 0.8);
  max-width: 56ch;
}

.page-products .pp-cadence__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 1.35rem 0 1.6rem;
  border-top: 1px solid var(--line-ink);
}

.page-products .pp-fact {
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-products .pp-fact dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  padding-top: 0.12rem;
}

.page-products .pp-fact dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: rgba(42, 33, 27, 0.82);
}

/* ---------- 场景与支持 ---------- */
.page-products .pp-support {
  padding-block: clamp(2.5rem, 6vw, 4rem) clamp(3rem, 7vw, 5rem);
}

.page-products .pp-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-products .pp-scene {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.1rem 1.1rem 1.2rem;
  border-left: 2px solid var(--gold);
  background: rgba(8, 23, 38, 0.42);
  transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .pp-scene:hover {
  background: rgba(8, 23, 38, 0.7);
  border-left-color: var(--ice);
}

.page-products .pp-scene__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pp-scene__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  line-height: 1.3;
  color: var(--paper);
}

.page-products .pp-scene p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.82;
  color: rgba(244, 235, 216, 0.74);
}

.page-products .pp-scene__go {
  margin-top: 0.5rem !important;
}

.page-products .pp-link {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 1px;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-products .pp-link:hover,
.page-products .pp-link:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-products .pp-contact {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding: clamp(1.25rem, 3.5vw, 2rem);
  border: var(--pp-line-w) solid var(--line-gold);
  border-radius: var(--pp-radius);
  background: rgba(18, 49, 74, 0.55);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-products .pp-contact__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-products .pp-contact__head p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: rgba(244, 235, 216, 0.76);
  max-width: 46ch;
}

.page-products .pp-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .contact-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--line-light);
}

.page-products .contact-list__item:last-child {
  border-bottom: 0;
}

.page-products .contact-list__label {
  flex: none;
  min-width: 4.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-products .contact-list__value {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--paper);
  letter-spacing: 0.02em;
  word-break: break-word;
}

.page-products .contact-list .copybtn {
  margin-left: auto;
  padding: 0.25rem 0.65rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--gold);
  background: transparent;
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-products .contact-list .copybtn:hover,
.page-products .contact-list .copybtn:focus-visible {
  background: var(--gold);
  color: var(--night-900);
}

.page-products .contact-list .copybtn[data-copy-state="done"] {
  background: var(--ice);
  border-color: var(--ice);
  color: var(--night-900);
}

.page-products .pp-contact__note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line-light);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: rgba(244, 235, 216, 0.68);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pp-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pp-status__row {
    grid-template-columns: 7.5rem 6rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0.35rem 1rem;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }

  .page-products .pp-lines__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    padding-bottom: 2.25rem;
  }

  .page-products .pp-line:nth-child(even) {
    transform: translateY(2.25rem);
  }

  .page-products .pp-steps__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .pp-status__layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

  .page-products .pp-devices__layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .pp-cadence__layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-products .pp-contact {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 1.5rem 2.5rem;
  }

  .page-products .pp-cadence__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-line,
  .page-products .pp-device,
  .page-products .pp-scene,
  .page-products .pp-link,
  .page-products .contact-list .copybtn {
    transition: none;
  }

  .page-products .pp-line:nth-child(even) {
    transform: none;
  }
}