.page-products {
  --prod-line: 1px solid rgba(120, 146, 171, 0.5);
  --prod-ink-soft: #1d3345;
  --prod-ink-mute: #3d566d;
  padding-bottom: 56px;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 8px 0 34px;
  border-bottom: 2px solid rgba(120, 146, 171, 0.4);
}

.page-products .prod-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .prod-hero__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--cyan);
  display: block;
}

.page-products h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2.05rem, 7vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .prod-hero__lede {
  margin: 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .prod-hero__media {
  margin: 0;
  border: 2px solid var(--steel);
  box-shadow: var(--shadow-hard);
}

/* ---------- 章节索引 ---------- */
.page-products .prod-index {
  position: sticky;
  top: calc(var(--frame-top-h) + 10px);
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 30px;
  padding: 10px;
  overflow-x: auto;
  background: rgba(6, 26, 46, 0.94);
  border: 2px solid var(--sea-800);
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-index__label {
  flex: 0 0 auto;
  padding: 0 6px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-products .prod-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid rgba(120, 146, 171, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .prod-index__link b {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 11px;
  color: var(--cyan);
}

.page-products .prod-index__link:hover,
.page-products .prod-index__link:focus-visible {
  color: var(--paper);
  border-color: var(--cyan);
  background: rgba(55, 230, 217, 0.12);
}

.page-products .prod-index__link.is-current {
  color: var(--sea-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .prod-index__link.is-current b {
  color: var(--sea-900);
}

/* ---------- 章节面板 ---------- */
.page-products .prod-section {
  scroll-margin-top: calc(var(--frame-top-h) + 82px);
  margin-bottom: 30px;
  padding: 22px 16px 26px;
  background: var(--paper);
  color: var(--prod-ink-soft);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(3, 12, 22, 0.55);
}

.page-products .prod-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--sea-900);
}

.page-products .prod-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 4.4vw, 1.8rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--sea-900);
}

.page-products .prod-section__num {
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--sea-800);
  background: var(--mist);
  padding: 4px 8px;
  border: 1px solid var(--steel);
}

.page-products .prod-text {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--prod-ink-soft);
}

.page-products .prod-quiet {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--steel);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--prod-ink-mute);
}

.page-products .prod-linkline {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--prod-ink-mute);
}

.page-products .prod-linkline a {
  color: var(--sea-800);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-products .prod-linkline a:hover,
.page-products .prod-linkline a:focus-visible {
  color: var(--ink);
  background: rgba(55, 230, 217, 0.35);
}

/* ---------- 四类能力 ---------- */
.page-products .prod-caps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.page-products .prod-cap {
  display: flex;
  flex-direction: column;
  padding: 16px 14px 18px;
  background: var(--paper);
  border: 2px solid var(--sea-900);
  border-top-width: 6px;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .prod-cap:hover,
.page-products .prod-cap:focus-within {
  transform: translateY(-3px);
  box-shadow: 6px 6px 0 rgba(3, 12, 22, 0.4);
}

.page-products .prod-cap--cyan { border-top-color: var(--cyan); }
.page-products .prod-cap--orange { border-top-color: var(--orange); }
.page-products .prod-cap--mint { border-top-color: var(--mint); }
.page-products .prod-cap--amber { border-top-color: var(--amber); }

.page-products .prod-cap__num {
  font-family: var(--font-num);
  font-size: 28px;
  line-height: 1;
  color: var(--sea-900);
}

.page-products .prod-cap__title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sea-900);
}

.page-products .prod-cap__body {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--prod-ink-soft);
}

.page-products .prod-cap__meta {
  margin: auto 0 0;
  padding-top: 8px;
  border-top: 1px solid rgba(120, 146, 171, 0.45);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--prod-ink-mute);
}

/* ---------- 高频入口清单 ---------- */
.page-products .prod-entry-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}

.page-products .prod-entry-list__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  font-size: 13.5px;
  color: var(--prod-ink-soft);
  background: rgba(220, 232, 242, 0.5);
  border: 1px solid rgba(120, 146, 171, 0.55);
}

.page-products .prod-entry-list__num {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sea-800);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 1px;
}

/* ---------- 资料下载 ---------- */
.page-products .prod-download {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 18px 0 20px;
}

.page-products .prod-download__media,
.page-products .prod-compat__media,
.page-products .prod-flow__media,
.page-products .prod-scenes__media {
  margin: 0;
  border: 2px solid var(--sea-900);
}

.page-products .prod-filters {
  padding: 12px 12px 6px;
  background: linear-gradient(180deg, rgba(220, 232, 242, 0.7), rgba(247, 250, 252, 0.95));
  border: 2px dashed var(--steel);
}

.page-products .prod-filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(120, 146, 171, 0.4);
}

.page-products .prod-filter-row:last-child {
  border-bottom: 0;
}

.page-products .prod-filter-key {
  flex: 0 0 auto;
  min-width: 60px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sea-800);
}

.page-products .chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  font-size: 13px;
  color: var(--sea-900);
  background: var(--paper);
  border: 1px solid var(--steel);
  cursor: default;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .chip:hover,
.page-products .chip:focus-visible {
  border-color: var(--sea-900);
  background: var(--mist);
  outline: none;
}

.page-products .chip__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  z-index: 3;
  width: max-content;
  max-width: 210px;
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--paper);
  background: var(--sea-900);
  border: 1px solid var(--cyan);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease), visibility 0.18s;
  pointer-events: none;
}

.page-products .chip:hover .chip__tip,
.page-products .chip:focus-visible .chip__tip {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* ---------- 表格 ---------- */
.page-products .prod-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--sea-900);
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--paper);
}

.page-products .prod-table__caption {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--sea-800);
  background: var(--mist);
  border-bottom: 1px solid var(--steel);
}

.page-products .prod-table th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--sea-900);
}

.page-products .prod-table td {
  padding: 11px 12px;
  vertical-align: top;
  line-height: 1.65;
  color: var(--prod-ink-soft);
  border-top: 1px solid rgba(120, 146, 171, 0.42);
}

.page-products .prod-table tbody tr:nth-child(even) td {
  background: rgba(220, 232, 242, 0.45);
}

.page-products .prod-table td .tag {
  white-space: nowrap;
}

/* ---------- 兼容检查清单 ---------- */
.page-products .prod-check {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 18px 0 20px;
  padding: 0;
}

.page-products .prod-check li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 12px;
  background: rgba(220, 232, 242, 0.4);
  border: 1px solid rgba(120, 146, 171, 0.55);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .prod-check li:has(input:checked) {
  background: rgba(112, 230, 164, 0.22);
  border-color: var(--mint);
}

.page-products .prod-check input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  accent-color: var(--sea-800);
}

.page-products .prod-check label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--prod-ink-soft);
  cursor: pointer;
}

/* ---------- 提示条 ---------- */
.page-products .prod-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 24px 0 0;
  padding: 16px 18px;
  background: linear-gradient(120deg, rgba(255, 156, 74, 0.94), rgba(255, 200, 87, 0.86));
  border: 2px solid var(--sea-900);
  box-shadow: 8px 8px 0 rgba(3, 12, 22, 0.45);
}

.page-products .prod-note__mark {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 22px;
  line-height: 1;
  color: var(--sea-900);
}

.page-products .prod-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--sea-900);
}

/* ---------- 反馈三步 ---------- */
.page-products .prod-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.page-products .prod-step {
  padding: 16px 14px;
  background: var(--paper);
  border: 2px solid var(--sea-900);
  border-left-width: 6px;
  border-left-color: var(--cyan);
}

.page-products .prod-step__num {
  display: inline-block;
  padding: 5px 10px;
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  background: var(--sea-900);
}

.page-products .prod-step__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--sea-900);
}

.page-products .prod-step__body {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--prod-ink-soft);
}

.page-products .prod-cat-list {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--prod-ink-soft);
}

.page-products .prod-cat-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border-left: 3px solid rgba(120, 146, 171, 0.7);
  background: rgba(220, 232, 242, 0.35);
}

/* ---------- 场景组合 ---------- */
.page-products .prod-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 18px 0 20px;
}

.page-products .prod-scene {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px;
  background: var(--paper);
  border: 2px solid var(--sea-900);
  box-shadow: 5px 5px 0 rgba(3, 12, 22, 0.28);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .prod-scene:hover,
.page-products .prod-scene:focus-within {
  transform: translateY(-2px);
  box-shadow: 8px 8px 0 rgba(3, 12, 22, 0.32);
}

.page-products .prod-scene__tag {
  align-self: flex-start;
  padding: 2px 8px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sea-900);
  background: var(--cyan);
}

.page-products .prod-scene__title {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--sea-900);
}

.page-products .prod-scene__tools {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--prod-ink-mute);
}

.page-products .prod-scene__result {
  margin: auto 0 0;
  padding-top: 8px;
  border-top: 1px solid rgba(120, 146, 171, 0.45);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--prod-ink-soft);
}

/* ---------- 维护节奏 ---------- */
.page-products .prod-timeline {
  list-style: none;
  display: grid;
  gap: 18px;
  margin: 20px 0 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--steel);
}

.page-products .prod-timeline li {
  position: relative;
}

.page-products .prod-timeline li::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border: 2px solid var(--sea-900);
  border-radius: 50%;
}

.page-products .prod-timeline__when {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--sea-800);
}

.page-products .prod-timeline__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--sea-900);
}

.page-products .prod-timeline__body {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--prod-ink-soft);
}

.page-products .prod-timeline__body a {
  color: var(--sea-800);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ---------- 结尾 CTA ---------- */
.page-products .prod-cta {
  display: grid;
  gap: 16px;
  margin-top: 36px;
  padding: 26px 20px;
  background: linear-gradient(135deg, var(--sea-800), var(--sea-900) 72%);
  border: 2px solid var(--cyan);
  box-shadow: 10px 10px 0 rgba(3, 12, 22, 0.6);
}

.page-products .prod-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  line-height: 1.2;
  color: var(--paper);
}

.page-products .prod-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .prod-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 图片自适应 ---------- */
.page-products .media-frame__img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-products .prod-section {
    padding: 26px 24px 30px;
  }

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

  .page-products .prod-entry-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: 34px;
    padding-bottom: 44px;
  }

  .page-products .prod-hero__media {
    align-self: end;
  }

  .page-products .prod-section {
    padding: 30px 32px 34px;
  }

  .page-products .prod-caps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .prod-download {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 22px;
  }

  .page-products .prod-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .prod-compat__media,
  .page-products .prod-flow__media,
  .page-products .prod-scenes__media {
    max-width: 900px;
  }

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 34px 32px;
  }

  .page-products .prod-cta h2,
  .page-products .prod-cta p {
    grid-column: 1;
  }

  .page-products .prod-cta__links {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-cap,
  .page-products .prod-scene,
  .page-products .chip__tip,
  .page-products .prod-index__link {
    transition: none;
  }

  .page-products .prod-cap:hover,
  .page-products .prod-cap:focus-within,
  .page-products .prod-scene:hover,
  .page-products .prod-scene:focus-within {
    transform: none;
  }
}