.page-products .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  list-style: none;
  margin: 0;
  padding: 1.25rem 0 0;
  font-size: .8rem;
  color: var(--muted);
}
.page-products .crumbs li + li::before {
  content: "/";
  margin-right: .35rem;
  color: rgba(124, 154, 144, .55);
}
.page-products .crumbs a {
  color: var(--cyan);
  text-decoration: none;
}
.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(1.4rem, 4vw, 2.75rem);
  padding-bottom: clamp(2.25rem, 6vw, 4.5rem);
}
.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(114deg, transparent 46%, rgba(57, 245, 208, .1) 46.3%, rgba(57, 245, 208, .1) 47.2%, transparent 47.6%),
    radial-gradient(ellipse at 82% -10%, rgba(57, 245, 208, .12), transparent 62%),
    radial-gradient(ellipse at 4% 110%, rgba(242, 184, 75, .08), transparent 58%);
}
.page-products .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}
.page-products .hero-title {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}
.page-products .hero-lede {
  margin: 1.15rem 0 0;
  max-width: 44ch;
  color: rgba(244, 248, 245, .86);
  line-height: 1.8;
}
.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.7rem;
}

.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem 1.4rem;
  margin: 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--line);
}
.page-products .stat dt {
  margin: 0;
  font-size: .7rem;
  letter-spacing: .09em;
  color: var(--muted);
}
.page-products .stat dd {
  margin: .32rem 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.45rem, 3.2vw, 1.95rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cyan);
}
.page-products .stat-amber dd {
  color: var(--amber);
}
.page-products .stat-plain dd {
  color: var(--white);
}

/* ---------- 双轨 ---------- */
.page-products .tracks {
  position: relative;
  display: grid;
  gap: 2.5rem;
  margin-top: 1.9rem;
}
.page-products .track-head {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: 1.15rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--line);
}
.page-products .track-no {
  flex: none;
  padding: .18rem .42rem;
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.page-products .track-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-products .track-head .tag {
  margin-left: auto;
  flex: none;
}
.page-products .track-lede {
  margin: 1rem 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(244, 248, 245, .8);
}
.page-products .note-line {
  margin: 1rem 0 0;
  padding-left: .8rem;
  border-left: 2px solid rgba(242, 184, 75, .55);
  font-size: .84rem;
  line-height: 1.7;
  color: var(--muted);
}

/* 视频轨道 */
.page-products .video-figure {
  margin: 0;
}
.page-products .video-figure .media {
  position: relative;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}
.page-products .play-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: rgba(7, 28, 22, .74);
  color: var(--cyan);
  animation: qmh-pulse 2.4s ease-in-out infinite;
}
.page-products .play-badge svg {
  width: 19px;
  height: 19px;
  margin-left: 2px;
}
@keyframes qmh-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(57, 245, 208, .38); }
  55% { box-shadow: 0 0 0 11px rgba(57, 245, 208, 0); }
}

.page-products .cat-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .65rem;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
}
.page-products .cat {
  padding: .75rem .85rem;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
.page-products .cat-name {
  display: block;
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
}
.page-products .cat-desc {
  display: block;
  margin-top: .3rem;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .clip-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}
.page-products .clip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .75rem;
  align-items: center;
  padding: .82rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .clip-no {
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--cyan);
}
.page-products .clip-title {
  font-size: .87rem;
  line-height: 1.55;
  color: var(--white);
}
.page-products .clip-time {
  font-size: .7rem;
  color: var(--muted);
}
.page-products .track-more {
  margin: 1.4rem 0 0;
}

/* 资料轨道 */
.page-products .file-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
}
.page-products .file-stacks {
  display: grid;
  gap: .65rem;
  margin-top: 1.4rem;
}
.page-products .file-stack {
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}
.page-products .file-stack-btn {
  display: flex;
  align-items: center;
  gap: .6rem;
  width: 100%;
  padding: .82rem .9rem;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--white);
  font-family: var(--font-body);
  font-size: .92rem;
}
.page-products .file-stack-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-products .file-kind {
  flex: none;
  padding: .16rem .38rem;
  font-size: .62rem;
  letter-spacing: .07em;
  color: var(--amber);
  border: 1px solid rgba(242, 184, 75, .45);
  border-radius: 2px;
}
.page-products .file-name {
  flex: 1 1 auto;
  font-weight: 700;
}
.page-products .file-meta {
  flex: none;
  font-size: .7rem;
  color: var(--muted);
}
.page-products .file-stack .fold-panel {
  padding: 0 .9rem .9rem;
  border-top: 1px dashed rgba(124, 154, 144, .26);
}
.page-products .file-stack .fold-panel p {
  margin: .72rem 0 0;
  font-size: .84rem;
  line-height: 1.7;
  color: rgba(244, 248, 245, .78);
}

/* ---------- 订阅切换 ---------- */
.page-products .split {
  display: grid;
  gap: 1.75rem;
}
.page-products .split-copy h2 {
  margin-top: .5rem;
}
.page-products .slot-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .45rem;
  margin: 1.35rem 0 0;
  padding: 0;
}
.page-products .slot {
  display: grid;
  gap: .15rem;
  padding: .5rem .25rem;
  text-align: center;
  font-size: .68rem;
  line-height: 1.4;
  color: var(--muted);
  border: 1px dashed rgba(124, 154, 144, .38);
  border-radius: 2px;
}
.page-products .slot .mono {
  font-size: .66rem;
  letter-spacing: .08em;
}
.page-products .slot.is-filled {
  border-style: solid;
  border-color: var(--cyan);
  background: rgba(57, 245, 208, .09);
  color: var(--cyan);
}
.page-products .split-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
}

/* ---------- 手机端收藏 ---------- */
.page-products .fav-layout {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.6rem;
}
.page-products .fav-copy .lede {
  margin: 0;
  color: rgba(244, 248, 245, .85);
}
.page-products .fav-steps {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}
.page-products .fav-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  padding: .9rem 1rem;
  background: linear-gradient(135deg, rgba(14, 42, 34, .92), rgba(11, 36, 29, .55));
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(57, 245, 208, .5);
}
.page-products .step-no {
  font-size: .74rem;
  color: var(--amber);
  padding-top: .12rem;
}
.page-products .step-title {
  margin: 0;
  font-size: .96rem;
  font-weight: 800;
  color: var(--white);
}
.page-products .step-text {
  margin: .32rem 0 0;
  font-size: .84rem;
  line-height: 1.7;
  color: rgba(244, 248, 245, .78);
}
.page-products .fav-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
}

/* ---------- 使用路径 ---------- */
.page-products .path-grid {
  display: grid;
  gap: .8rem;
  margin-top: 1.6rem;
}
.page-products .path-card {
  padding: 1.25rem 1.1rem;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-products .path-card:nth-child(2) {
  border-top-color: var(--amber);
}
.page-products .path-card:nth-child(3) {
  border-top-color: var(--rust);
}
.page-products .path-time {
  font-size: .7rem;
  letter-spacing: .09em;
  color: var(--muted);
}
.page-products .path-title {
  margin: .55rem 0 0;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--white);
}
.page-products .path-card p {
  margin: .55rem 0 0;
  font-size: .86rem;
  line-height: 1.75;
  color: rgba(244, 248, 245, .78);
}
.page-products .path-figure {
  margin: 1.4rem 0 0;
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

/* ---------- 行动面板 ---------- */
.page-products .next-panel {
  padding: clamp(1.4rem, 4vw, 2.6rem);
  background:
    radial-gradient(ellipse at 92% 0%, rgba(57, 245, 208, .16), transparent 62%),
    var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}
.page-products .next-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-products .next-text {
  margin: .8rem 0 0;
  max-width: 58ch;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(244, 248, 245, .8);
}
.page-products .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.4rem;
}

/* ---------- 图片兜底 ---------- */
.page-products .media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-products .hero-stats {
    margin-top: .2rem;
    padding: 0 0 0 1.5rem;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 760px) {
  .page-products .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .fav-steps {
    gap: .8rem;
  }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .78fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
  }
  .page-products .split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: center;
  }
  .page-products .fav-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, .58fr);
    gap: clamp(1.75rem, 4vw, 3.25rem);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .tracks {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 0;
  }
  .page-products .track-video {
    padding-right: clamp(1.6rem, 3vw, 2.75rem);
  }
  .page-products .track-file {
    position: relative;
    padding-left: clamp(1.6rem, 3vw, 2.75rem);
  }
  .page-products .track-file::before {
    content: "";
    position: absolute;
    left: 0;
    top: .3rem;
    bottom: .3rem;
    width: 2px;
    background: linear-gradient(180deg, transparent, rgba(57, 245, 208, .5) 18%, rgba(242, 184, 75, .45) 74%, transparent);
    transform: skewX(-6deg);
    transform-origin: center top;
    pointer-events: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .play-badge {
    animation: none;
  }
}
<<<END>>>