/* ===== 导航入口中心 /apps/ ===== */
.page-products {
  --ph-shell: clamp(20px, 4vw, 52px);
  --ph-ink-text: #0B1B33;
  background: var(--ca-ink);
}

/* ---- 首屏 ---- */
.page-products .ph-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3.5vw, 34px) clamp(40px, 6vw, 82px);
  background:
    radial-gradient(120% 78% at 84% 6%, rgba(47, 180, 154, .16), transparent 62%),
    radial-gradient(96% 72% at 4% 100%, rgba(200, 50, 43, .2), transparent 64%),
    var(--ca-ink);
}

.page-products .ph-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 164, 65, .55), transparent);
}

.page-products .ph-breadcrumb {
  margin-bottom: clamp(20px, 3.4vw, 40px);
}

.page-products .ph-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-products .ph-eyebrow {
  color: var(--ca-gold);
  margin-bottom: 14px;
}

.page-products .ph-hero__title {
  font-family: var(--ca-font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 8vw, 4.15rem);
  line-height: 1.06;
  letter-spacing: -.03em;
  color: var(--ca-frost);
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  max-width: 15ch;
}

.page-products .ph-lede {
  max-width: 60ch;
  color: rgba(244, 247, 250, .84);
}

.page-products .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .ph-btn {
  text-decoration: none;
}

.page-products .ph-hero__figure {
  margin: 0;
}

.page-products .ph-media {
  overflow: hidden;
  border: 1px solid var(--ca-line);
  border-radius: var(--ca-radius);
  background: var(--ca-ink-2);
}

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

.page-products .ph-hero__media img {
  aspect-ratio: 3 / 2;
}

.page-products .ph-media--tall img {
  aspect-ratio: 3 / 4;
}

.page-products .ph-media--wide img {
  aspect-ratio: 10 / 7;
}

.page-products .ph-media--save img {
  aspect-ratio: 12 / 7;
}

.page-products .ph-media--dash img {
  aspect-ratio: 3 / 2;
}

/* ---- 章节通用 ---- */
.page-products .ph-section {
  padding-block: clamp(44px, 7vw, 96px);
}

.page-products .ph-head {
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.page-products .ph-head--tight {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-products .ph-head__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 34px;
  padding: 0 10px;
  margin-bottom: 14px;
  font-family: var(--ca-font-mono);
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--ca-gold);
  border: 1px solid rgba(217, 164, 65, .55);
  border-radius: var(--ca-radius-sm);
}

.page-products .ph-head__num--ink {
  color: var(--ca-maple);
  border-color: rgba(200, 50, 43, .42);
}

.page-products .ph-head__title {
  font-family: var(--ca-font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.6vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--ca-frost);
  margin: 0 0 12px;
}

.page-products .ph-head__title--ink,
.page-products .ph-head__note--ink {
  color: var(--ph-ink-text);
}

.page-products .ph-head__note {
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ca-ice);
  margin: 0;
}

/* ---- 通道对照矩阵 ---- */
.page-products .ph-section--matrix {
  background: var(--ca-frost);
}

.page-products .ph-matrix-wrap {
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-products .ph-matrix {
  width: 100%;
  border-collapse: collapse;
}

.page-products .ph-matrix__caption {
  display: block;
  font-family: var(--ca-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ca-cedar);
  text-align: left;
  margin-bottom: 14px;
}

.page-products .ph-matrix thead {
  display: none;
}

.page-products .ph-matrix tbody,
.page-products .ph-matrix tr,
.page-products .ph-matrix th,
.page-products .ph-matrix td {
  display: block;
  width: 100%;
}

.page-products .ph-matrix tbody tr {
  position: relative;
  margin-bottom: 14px;
  padding: 16px 18px 18px;
  background: #ffffff;
  border: 1px solid var(--ca-line-ink);
  border-left: 4px solid var(--ca-maple);
  border-radius: var(--ca-radius-sm);
  transition: background .2s var(--ca-ease), transform .2s var(--ca-ease);
}

.page-products .ph-matrix tbody tr:hover {
  background: #fffaf6;
  transform: translateY(-2px);
}

.page-products .ph-row__name {
  font-family: var(--ca-font-display);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -.01em;
  color: var(--ph-ink-text);
  margin-bottom: 10px;
}

.page-products .ph-row__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 24px;
  margin-right: 10px;
  font-family: var(--ca-font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ca-maple);
  border: 1px solid rgba(200, 50, 43, .45);
  border-radius: var(--ca-radius-sm);
  transition: background .2s var(--ca-ease), color .2s var(--ca-ease);
}

.page-products .ph-matrix tbody tr:hover .ph-row__num {
  background: var(--ca-maple);
  color: #ffffff;
}

.page-products .ph-row__cell {
  padding: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(11, 27, 51, .82);
}

.page-products .ph-row__cell::before {
  content: attr(data-label);
  display: block;
  margin-bottom: 2px;
  font-family: var(--ca-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ca-cedar);
}

.page-products .ph-copybar {
  display: grid;
  gap: 14px;
  padding: 18px 20px;
  background: var(--ca-ink);
  border-radius: var(--ca-radius-sm);
  border: 1px solid var(--ca-line);
}

.page-products .ph-copybar__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 247, 250, .82);
}

.page-products .ph-copybar__control {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-products .ph-copy {
  font-family: var(--ca-font-mono);
}

/* ---- 第二栏 ---- */
.page-products .ph-section--second {
  background: var(--ca-paper);
  color: var(--ph-ink-text);
}

.page-products .ph-second__grid {
  display: grid;
  gap: var(--ph-shell);
}

.page-products .ph-second__figure,
.page-products .ph-second__subfigure {
  margin: 0;
}

.page-products .ph-prose {
  max-width: 66ch;
  font-size: 16.5px;
  line-height: 2.05;
  color: rgba(11, 27, 51, .86);
  margin: 0 0 clamp(20px, 2.8vw, 30px);
}

.page-products .ph-guide {
  list-style: none;
  margin: 0 0 clamp(24px, 3.2vw, 34px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .ph-guide__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: rgba(255, 255, 255, .58);
  border-left: 3px solid var(--ca-cedar);
  border-radius: var(--ca-radius-sm);
}

.page-products .ph-guide__num {
  font-family: var(--ca-font-mono);
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--ca-maple);
}

.page-products .ph-guide__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(11, 27, 51, .84);
}

.page-products .ph-note {
  display: block;
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.8;
}

/* ---- 收藏夹 ---- */
.page-products .ph-section--save {
  background:
    linear-gradient(180deg, rgba(18, 41, 74, .96), rgba(11, 27, 51, 1));
}

.page-products .ph-save__grid {
  display: grid;
  gap: var(--ph-shell);
  align-items: start;
}

.page-products .ph-save__steps {
  list-style: none;
  counter-reset: save;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .ph-save__step {
  position: relative;
  padding: 13px 16px 13px 48px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 247, 250, .86);
  background: rgba(18, 41, 74, .82);
  border: 1px solid var(--ca-line-soft);
  border-radius: var(--ca-radius-sm);
}

.page-products .ph-save__step::before {
  counter-increment: save;
  content: counter(save);
  position: absolute;
  left: 14px;
  top: 12px;
  font-family: var(--ca-font-mono);
  font-size: 15px;
  color: var(--ca-aurora);
}

.page-products .ph-save__figure {
  margin: 0;
}

/* ---- 三步找回 ---- */
.page-products .ph-section--recover {
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(217, 164, 65, .12), transparent 68%),
    var(--ca-ink);
}

.page-products .ph-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  counter-reset: none;
}

.page-products .ph-step {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
  background: rgba(18, 41, 74, .78);
  border: 1px solid var(--ca-line);
  border-radius: var(--ca-radius);
}

.page-products .ph-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--ca-aurora), rgba(47, 180, 154, .1));
  border-radius: var(--ca-radius) var(--ca-radius) 0 0;
}

.page-products .ph-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 78px;
  height: 78px;
  margin-bottom: 18px;
  font-family: var(--ca-font-mono);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--ca-gold);
  background: rgba(217, 164, 65, .1);
  border: 2px solid var(--ca-gold);
  border-radius: var(--ca-radius-sm);
}

.page-products .ph-step__title {
  font-family: var(--ca-font-display);
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: -.01em;
  color: var(--ca-frost);
  margin: 0 0 10px;
}

.page-products .ph-step__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(244, 247, 250, .8);
}

.page-products .ph-recover__foot {
  display: grid;
  gap: 16px;
  align-items: center;
  margin-top: clamp(26px, 3.6vw, 42px);
  padding-top: clamp(20px, 2.6vw, 28px);
  border-top: 1px solid var(--ca-line-soft);
}

.page-products .ph-recover__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ca-ice);
}

/* ---- 巡检 ---- */
.page-products .ph-section--patrol {
  background: var(--ca-frost);
}

.page-products .ph-patrol__grid {
  display: grid;
  gap: var(--ph-shell);
  align-items: start;
}

.page-products .ph-patrol__figure {
  margin: 0;
}

.page-products .ph-patrol__subtitle {
  font-family: var(--ca-font-display);
  font-weight: 800;
  font-size: 1.14rem;
  color: var(--ph-ink-text);
  margin: 0 0 14px;
}

.page-products .ph-check {
  list-style: none;
  margin: 0 0 clamp(24px, 3vw, 32px);
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ca-line-ink);
}

.page-products .ph-check__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--ca-line-ink);
  transition: background .2s var(--ca-ease);
}

.page-products .ph-check__item:hover {
  background: rgba(200, 50, 43, .06);
}

.page-products .ph-check__label {
  font-family: var(--ca-font-display);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--ph-ink-text);
}

.page-products .ph-check__desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(11, 27, 51, .74);
}

.page-products .ph-patrol__body .ph-prose {
  margin-bottom: 0;
}

/* ---- 去向 ---- */
.page-products .ph-section--next {
  background: var(--ca-ink);
  padding-block: clamp(40px, 6vw, 76px);
}

.page-products .ph-next__title {
  font-family: var(--ca-font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.6vw, 1.9rem);
  letter-spacing: -.02em;
  color: var(--ca-frost);
  margin: 0 0 clamp(20px, 3vw, 30px);
}

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

.page-products .ph-next__link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas:
    "num label"
    "num desc";
  align-items: center;
  gap: 2px 14px;
  padding: 16px 18px;
  text-decoration: none;
  background: rgba(18, 41, 74, .72);
  border: 1px solid var(--ca-line-soft);
  border-radius: var(--ca-radius-sm);
  transition: border-color .2s var(--ca-ease), transform .2s var(--ca-ease), background .2s var(--ca-ease);
}

.page-products .ph-next__link:hover {
  border-color: rgba(200, 50, 43, .7);
  background: rgba(200, 50, 43, .12);
  transform: translateY(-2px);
}

.page-products .ph-next__num {
  grid-area: num;
  font-family: var(--ca-font-mono);
  font-size: 1.5rem;
  color: var(--ca-gold);
}

.page-products .ph-next__label {
  grid-area: label;
  font-family: var(--ca-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ca-frost);
}

.page-products .ph-next__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ca-ice);
}

/* ---- 平板及桌面 ---- */
@media (min-width: 720px) {
  .page-products .ph-copybar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

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

  .page-products .ph-recover__foot {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-products .ph-check__item {
    grid-template-columns: 148px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

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

@media (min-width: 960px) {
  .page-products .ph-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-products .ph-matrix thead {
    display: table-header-group;
  }

  .page-products .ph-matrix tbody {
    display: table-row-group;
  }

  .page-products .ph-matrix tbody tr {
    display: table-row;
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--ca-line-ink);
    border-left: 0;
    border-radius: 0;
  }

  .page-products .ph-matrix tbody tr:hover {
    background: rgba(200, 50, 43, .07);
    transform: none;
  }

  .page-products .ph-matrix th,
  .page-products .ph-matrix td {
    display: table-cell;
    width: auto;
    vertical-align: top;
    padding: 20px 18px;
  }

  .page-products .ph-matrix thead th {
    padding: 0 18px 12px;
    font-family: var(--ca-font-mono);
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--ca-cedar);
    text-align: left;
    border-bottom: 1px solid var(--ca-line-ink);
  }

  .page-products .ph-matrix caption {
    caption-side: top;
  }

  .page-products .ph-row__name {
    width: 22%;
    margin-bottom: 0;
    font-size: 1.14rem;
    white-space: nowrap;
  }

  .page-products .ph-row__cell {
    padding-top: 20px;
    font-size: 15.5px;
  }

  .page-products .ph-row__cell::before {
    display: none;
  }

  .page-products .ph-second__grid {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
    align-items: start;
  }

  .page-products .ph-save__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    align-items: center;
  }

  .page-products .ph-patrol__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}
<<<END>>>