.page-products {
  --prod-track-left: 6px;
  --prod-block-gap: 44px;
}

.page-products .prod-hero {
  align-items: start;
  row-gap: 36px;
}

.page-products .prod-hero-main h1 {
  font-family: var(--font-head);
  font-size: clamp(32px, 5.4vw, 56px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-strong);
  margin: 16px 0 0;
  max-width: 15ch;
}

.page-products .prod-hero-main .lede {
  margin-top: 20px;
  max-width: 46ch;
  color: var(--text-dim);
}

.page-products .prod-hero-points {
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.page-products .prod-hero-points li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: var(--fs-4);
  color: var(--text);
  line-height: 1.5;
}

.page-products .prod-hero-points .mono {
  flex: 0 0 auto;
  min-width: 2.4em;
  font-size: var(--fs-5);
  font-weight: 700;
  color: var(--warm-gold);
  letter-spacing: -0.01em;
}

.page-products .prod-hero-aside {
  display: grid;
  gap: 20px;
}

.page-products .prod-entry-card h2 {
  font-family: var(--font-head);
  font-size: var(--fs-5);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-strong);
  margin: 14px 0 10px;
}

.page-products .prod-entry-card p {
  color: var(--text-dim);
  font-size: var(--fs-3);
  line-height: 1.7;
  margin: 0 0 20px;
}

.page-products .prod-entry-card .btn {
  width: 100%;
  justify-content: center;
}

.page-products .prod-hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 18px;
  border-radius: var(--radius-m);
  background: rgba(16, 26, 61, 0.6);
  border: 1px solid var(--line);
}

.page-products .prod-hero-facts dt {
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dust-gray);
  margin-bottom: 8px;
}

.page-products .prod-hero-facts dd {
  margin: 0;
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--neon-cyan);
}

/* 双栏主体 */
.page-products .prod-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.page-products .prod-index-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-index-list a {
  display: inline-block;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  font-size: var(--fs-2);
  color: var(--text-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: color 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.page-products .prod-index-list a:hover,
.page-products .prod-index-list a:focus-visible {
  color: var(--neon-cyan);
  border-color: var(--line-cyan);
  background: rgba(69, 224, 210, 0.08);
}

.page-products .prod-flow {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-products .prod-block {
  padding: var(--prod-block-gap) 0;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.page-products .prod-block:first-child {
  border-top: none;
  padding-top: 0;
}

.page-products .prod-block--last {
  border-bottom: none;
}

.page-products .prod-block-h {
  position: relative;
  margin-bottom: 26px;
}

.page-products .prod-block-h h2 {
  font-family: var(--font-head);
  font-size: clamp(23px, 3.2vw, 33px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.18;
  color: var(--text-strong);
  margin: 0 0 10px;
}

.page-products .prod-block-h .text-dim {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.7;
  max-width: 52ch;
}

.page-products .prod-note {
  margin: 22px 0 0;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .prod-note a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-products .prod-note a:hover,
.page-products .prod-note a:focus-visible {
  color: var(--neon-cyan-soft);
}

.page-products .prod-note kbd {
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(16, 26, 61, 0.9);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: var(--fs-1);
}

/* 三步 */
.page-products .prod-steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: prodstep;
}

.page-products .prod-step {
  counter-increment: prodstep;
  position: relative;
  padding: 22px 20px 20px;
  border-radius: var(--radius-m);
  background: linear-gradient(158deg, rgba(43, 27, 82, 0.75), rgba(16, 26, 61, 0.55));
  border: 1px solid var(--line-cyan);
}

.page-products .prod-step::before {
  content: counter(prodstep, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.12em;
  color: var(--warm-gold);
  margin-bottom: 12px;
}

.page-products .prod-step h3 {
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--text-strong);
  margin: 0 0 8px;
  line-height: 1.4;
}

.page-products .prod-step p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--text-dim);
}

/* 图片 */
.page-products .prod-figure {
  margin: 26px 0 0;
}

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

.page-products .prod-figure .img-caption {
  margin-top: 12px;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--dust-gray);
}

/* 设备矩阵 */
.page-products .prod-matrix-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: rgba(16, 26, 61, 0.45);
}

.page-products .prod-matrix {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--fs-3);
}

.page-products .prod-matrix caption {
  text-align: left;
  padding: 16px 18px 0;
  font-size: var(--fs-2);
  line-height: 1.6;
}

.page-products .prod-matrix thead th {
  background: rgba(69, 224, 210, 0.1);
  color: var(--neon-cyan-soft);
  font-family: var(--font-head);
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  text-align: left;
  padding: 14px 18px;
  white-space: nowrap;
  border-bottom: 1px solid var(--line-cyan);
}

.page-products .prod-matrix tbody th {
  text-align: left;
  padding: 16px 18px;
  color: var(--text-strong);
  font-weight: 700;
  white-space: nowrap;
  border-top: 1px solid var(--line);
  font-size: var(--fs-4);
}

.page-products .prod-matrix td {
  padding: 16px 18px;
  color: var(--text-dim);
  line-height: 1.65;
  border-top: 1px solid var(--line);
}

.page-products .prod-matrix tbody tr:nth-child(even) {
  background: rgba(16, 26, 61, 0.62);
}

.page-products .prod-matrix .mono {
  color: var(--neon-cyan);
  font-weight: 600;
}

.page-products .prod-check {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-check li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .prod-check .status-pill {
  flex: 0 0 auto;
}

/* 订阅 */
.page-products .prod-sub-grid {
  row-gap: 18px;
}

.page-products .prod-sub-card {
  height: 100%;
  padding: 24px 22px;
  background: rgba(16, 26, 61, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}

.page-products .prod-sub-card h3 {
  font-family: var(--font-head);
  font-size: var(--fs-5);
  font-weight: 800;
  color: var(--text-strong);
  margin: 0 0 12px;
  line-height: 1.35;
}

.page-products .prod-sub-card > p {
  margin: 0 0 16px;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .prod-sub-card .prod-note {
  margin-top: 18px;
}

.page-products .prod-bullets {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--text);
}

.page-products .prod-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(69, 224, 210, 0.14);
}

.page-products .prod-size-chart {
  display: grid;
  gap: 16px;
  margin: 20px 0 0;
}

.page-products .prod-size-row {
  display: grid;
  grid-template-columns: 4.4em minmax(0, 1fr);
  align-items: center;
  gap: 10px 14px;
}

.page-products .prod-size-label {
  font-size: var(--fs-2);
  color: var(--warm-gold);
  font-weight: 600;
}

.page-products .prod-size-track {
  display: block;
  height: 10px;
  border-radius: var(--radius-pill);
  background: rgba(154, 166, 196, 0.14);
  overflow: hidden;
}

.page-products .prod-size-bar {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--neon-cyan), var(--warm-gold));
}

.page-products .prod-size-bar--s {
  width: 33%;
}

.page-products .prod-size-bar--m {
  width: 67%;
}

.page-products .prod-size-bar--l {
  width: 100%;
}

.page-products .prod-size-note {
  grid-column: 2;
  font-size: var(--fs-1);
  letter-spacing: 0.04em;
}

/* 面板 */
.page-products .prod-panel-group {
  margin-bottom: 12px;
}

.page-products .panel-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.page-products .prod-panel-title {
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--text-strong);
  flex: 1 1 auto;
  text-align: left;
  min-width: 0;
}

.page-products .prod-panel-tag {
  flex: 0 0 auto;
  font-size: var(--fs-2);
  color: var(--warm-gold);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-gold);
}

/* 时间带 */
.page-products .prod-timeline {
  position: relative;
  display: grid;
  gap: 30px;
  margin: 0;
  padding: 0 0 0 30px;
  list-style: none;
}

.page-products .prod-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, rgba(69, 224, 210, 0.55), rgba(243, 178, 76, 0.45));
}

.page-products .prod-tl-item {
  position: relative;
  min-width: 0;
}

.page-products .prod-tl-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 10px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--warm-gold);
  box-shadow: 0 0 0 5px rgba(243, 178, 76, 0.14);
}

.page-products .prod-tl-ver {
  margin: 0 0 8px;
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--warm-gold);
  letter-spacing: 0.04em;
}

.page-products .prod-tl-item h3 {
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--text-strong);
  margin: 0 0 8px;
  line-height: 1.4;
}

.page-products .prod-tl-item p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 56ch;
}

/* 场景 */
.page-products .prod-scene-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-products .prod-scene {
  padding: 22px 20px;
  border-radius: var(--radius-m);
  background: rgba(43, 27, 82, 0.5);
  border: 1px solid var(--line);
}

.page-products .prod-scene h3 {
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--text-strong);
  margin: 0 0 10px;
  line-height: 1.4;
}

.page-products .prod-scene p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.72;
  color: var(--text-dim);
}

/* 三步开始 */
.page-products .prod-start-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: prodstart;
}

.page-products .prod-start-item {
  counter-increment: prodstart;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  column-gap: 18px;
  align-items: start;
  padding: 20px;
  border-radius: var(--radius-s);
  background: rgba(16, 26, 61, 0.58);
  border: 1px solid var(--line);
}

.page-products .prod-start-item::before {
  content: counter(prodstart);
  grid-column: 1;
  grid-row: 1 / span 2;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--neon-cyan);
  color: var(--space-void);
  font-family: var(--font-mono);
  font-size: var(--fs-5);
  font-weight: 700;
}

.page-products .prod-start-item h3 {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--text-strong);
  margin: 0 0 8px;
  line-height: 1.4;
}

.page-products .prod-start-item p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .prod-cta {
  margin-top: 30px;
  padding: 26px 22px;
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, rgba(43, 27, 82, 0.85), rgba(16, 26, 61, 0.7));
  border: 1px solid var(--line-cyan);
  display: grid;
  gap: 18px;
}

.page-products .prod-cta p {
  margin: 0;
  font-size: var(--fs-4);
  line-height: 1.65;
  color: var(--text);
}

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

.page-products .prod-cta-actions .btn {
  flex: 1 1 auto;
  justify-content: center;
  min-width: 150px;
}

/* 平板及以上 */
@media (min-width: 760px) {
  .page-products .prod-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .prod-hero-facts {
    padding: 22px;
  }
}

/* 桌面：左窄栏索引 + 右宽栏内容 */
@media (min-width: 1000px) {
  .page-products .prod-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
  }

  .page-products .prod-index {
    position: sticky;
    top: 104px;
  }

  .page-products .prod-index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
    margin-top: 18px;
    border-left: 1px solid var(--line);
  }

  .page-products .prod-index-list a {
    display: block;
    border: none;
    border-radius: 0;
    padding: 9px 0 9px 14px;
    position: relative;
    white-space: normal;
    background: none;
  }

  .page-products .prod-index-list a::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 0;
    background: var(--neon-cyan);
    transition: height 200ms ease;
  }

  .page-products .prod-index-list a:hover::before,
  .page-products .prod-index-list a:focus-visible::before {
    height: 70%;
  }

  .page-products .prod-index-list a:hover,
  .page-products .prod-index-list a:focus-visible {
    background: none;
    color: var(--neon-cyan);
  }

  .page-products .prod-flow {
    position: relative;
    padding-left: 30px;
  }

  .page-products .prod-flow::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 14px;
    bottom: 40px;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(69, 224, 210, 0.42) 10%, rgba(243, 178, 76, 0.34) 88%, transparent);
    animation: prod-orbit 20s ease-in-out infinite;
  }

  .page-products .prod-block-h {
    padding-left: 0;
  }

  .page-products .prod-block-h::before {
    content: "";
    position: absolute;
    left: -28px;
    top: 10px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--neon-cyan);
    box-shadow: 0 0 0 4px rgba(69, 224, 210, 0.14);
  }

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

  .page-products .prod-size-row {
    grid-template-columns: 4.8em minmax(0, 1fr) 7.2em;
  }

  .page-products .prod-size-note {
    grid-column: 3;
    text-align: right;
  }

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 30px 32px;
  }

  .page-products .prod-cta-actions {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1240px) {
  .page-products .prod-hero-main h1 {
    font-size: 56px;
  }
}

@keyframes prod-orbit {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.7;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-flow::before {
    animation: none;
    opacity: 0.5;
  }

  .page-products .prod-index-list a,
  .page-products .prod-index-list a::before {
    transition: none;
  }
}
