.page-products {
  --exp-gap: clamp(20px, 3vw, 34px);
  --exp-cut: 18px;
  display: block;
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* 面包屑 */
.page-products .exp-crumb {
  padding-top: 14px;
}
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}
.page-products .breadcrumb li {
  display: flex;
  align-items: center;
}
.page-products .breadcrumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}
.page-products .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--lime);
}
.page-products .breadcrumb [aria-current="page"] {
  color: var(--chalk);
}

/* 首屏 */
.page-products .exp-hero {
  padding: clamp(22px, 4vw, 48px) 0 clamp(26px, 4vw, 52px);
}
.page-products .exp-hero-inner {
  display: grid;
  gap: var(--exp-gap);
}
.page-products .exp-hero-copy h1 {
  margin: 10px 0 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(34px, 8vw, 62px);
  line-height: 1.02;
  letter-spacing: 0.01em;
  max-width: 15ch;
  color: var(--chalk);
}
.page-products .lede {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--steel);
}
.page-products .exp-hero-side {
  display: grid;
  gap: 2px;
  background: var(--night);
  box-shadow: inset 0 0 0 1px var(--night-line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  padding: 14px 0 6px;
}
.page-products .exp-side-label {
  margin: 0 0 6px;
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}
.page-products .exp-jump {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 18px;
  font-size: 15px;
  color: var(--chalk);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .exp-jump::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--steel);
  transition: color 0.2s var(--ease);
}
.page-products .exp-jump:hover,
.page-products .exp-jump:focus-visible {
  background: var(--surface);
  border-left-color: var(--lime);
}
.page-products .exp-jump:hover::after,
.page-products .exp-jump:focus-visible::after {
  color: var(--lime);
}

/* 分屏骨架 */
.page-products .exp-shell {
  display: grid;
  gap: var(--exp-gap);
  padding-bottom: clamp(40px, 7vw, 80px);
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 3vw, 32px);
}

.page-products .exp-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}
.page-products .exp-rail-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.page-products .exp-rail-list::-webkit-scrollbar {
  display: none;
}
.page-products .exp-rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 13px;
  font-size: 13.5px;
  line-height: 1.2;
  white-space: nowrap;
  color: var(--steel);
  text-decoration: none;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--line);
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .exp-rail-num {
  font-size: 11px;
  color: var(--steel);
  transition: color 0.2s var(--ease);
}
.page-products .exp-rail-link:hover,
.page-products .exp-rail-link:focus-visible {
  color: var(--chalk);
  background: var(--surface);
}
.page-products .exp-rail-link[data-active="true"] {
  color: var(--chalk);
  background: var(--surface);
  border-left-color: var(--lime);
}
.page-products .exp-rail-link[data-active="true"] .exp-rail-num {
  color: var(--lime);
}

/* 正文段落基础 */
.page-products .exp-section {
  padding-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(26px, 4vw, 44px);
}
.page-products .exp-section:last-of-type {
  border-bottom: 0;
}
.page-products .exp-section h2 {
  margin: 8px 0 16px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--chalk);
}
.page-products .prose {
  margin: 0 0 18px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--chalk);
}
.page-products .prose a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 249, 74, 0.45);
}
.page-products .prose a:hover,
.page-products .prose a:focus-visible {
  border-bottom-color: var(--lime);
}

/* 轨迹线 */
.page-products .exp-trace {
  height: 2px;
  margin: 0 0 20px;
  background: var(--line);
  border-radius: 2px;
}
.page-products .exp-trace.is-drawn {
  background: linear-gradient(90deg, var(--lime), var(--amber));
}

/* 四步 */
.page-products .exp-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .exp-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px;
}
.page-products .exp-step-num {
  grid-row: 1 / span 3;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--night);
  box-shadow: inset 0 0 0 1px var(--night-line);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--amber);
}
.page-products .exp-step:first-child .exp-step-num {
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(198, 249, 74, 0.14);
  color: var(--ink);
}
.page-products .exp-step-title {
  margin: 4px 0 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--chalk);
}
.page-products .exp-step-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}
.page-products .exp-step-out {
  margin: 6px 0 0;
  padding-left: 10px;
  border-left: 2px solid var(--amber);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--chalk);
}

/* 通用卡片 */
.page-products .exp-card {
  position: relative;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - var(--exp-cut)) 0, 100% var(--exp-cut), 100% 100%, 0 100%);
  transition: background 0.2s var(--ease);
}
.page-products .exp-card:hover {
  background: var(--surface);
}

/* 赛程章节图文 */
.page-products .exp-media-split {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}
.page-products .exp-plainlist {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .exp-plainlist li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}
.page-products .exp-plainlist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--lime);
  transform: skewX(-12deg);
}
.page-products .exp-plainlist strong {
  color: var(--chalk);
  font-weight: 600;
  margin-right: 4px;
}

/* 图片 */
.page-products .exp-figure {
  margin: 0;
}
.page-products .exp-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: var(--night);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}
.page-products .exp-figure--wide img {
  aspect-ratio: 12 / 5;
}
.page-products .exp-figure--tall img {
  aspect-ratio: 4 / 5;
}
.page-products .exp-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}
.page-products .exp-figure--wide {
  margin-bottom: 20px;
}

/* 加载节奏条 */
.page-products .exp-load {
  display: grid;
  gap: 12px;
  padding: 18px;
  margin-bottom: 18px;
  background: var(--night);
  box-shadow: inset 0 0 0 1px var(--night-line);
  clip-path: polygon(0 0, calc(100% - var(--exp-cut)) 0, 100% var(--exp-cut), 100% 100%, 0 100%);
}
.page-products .exp-load-row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}
.page-products .exp-load-label {
  font-size: 13px;
  color: var(--steel);
}
.page-products .exp-load-track {
  display: block;
  height: 10px;
  background: var(--ink);
  overflow: hidden;
}
.page-products .exp-load-fill {
  display: block;
  height: 100%;
}
.page-products .exp-load-fill--a {
  width: 32%;
  background: var(--lime);
}
.page-products .exp-load-fill--b {
  width: 100%;
  background: var(--steel);
}
.page-products .exp-load-note {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--chalk);
}
.page-products .exp-load-caption {
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

/* 技术统计分组 */
.page-products .exp-stats {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}
.page-products .exp-stat {
  padding: 16px 18px;
}
.page-products .exp-stat .tag {
  display: inline-block;
  margin: 0 0 8px;
}
.page-products .exp-stat-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}
.page-products .exp-after-stats {
  margin-bottom: 0;
  font-size: 15px;
  color: var(--steel);
}

/* 设备示意 */
.page-products .exp-devices {
  margin: 0 0 20px;
  padding: clamp(12px, 2.4vw, 24px);
  background: var(--night);
  box-shadow: inset 0 0 0 1px var(--night-line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
.page-products .exp-devices svg {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .exp-screen {
  fill: var(--ink-2);
  stroke: var(--steel);
  stroke-width: 1.5;
}
.page-products .exp-screen--on {
  stroke: var(--lime);
  filter: drop-shadow(0 0 6px rgba(198, 249, 74, 0.35));
}
.page-products .exp-arc {
  fill: none;
  stroke: var(--amber);
  stroke-width: 1.5;
  stroke-dasharray: 5 6;
  opacity: 0.9;
}
.page-products .exp-svg-label {
  fill: var(--chalk);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
}
.page-products .exp-svg-sub {
  fill: var(--steel);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-products .exp-pair {
  display: grid;
  gap: 14px;
  margin-bottom: 8px;
}

/* 版本步骤 */
.page-products .exp-version-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
.page-products .exp-vstep {
  position: relative;
  padding: 16px 18px 16px 54px;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--line);
}
.page-products .exp-vstep--focus {
  background: linear-gradient(90deg, rgba(255, 138, 61, 0.12), transparent 70%), var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--night-line);
}
.page-products .exp-vstep-dot {
  position: absolute;
  left: 14px;
  top: 15px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--night);
  box-shadow: inset 0 0 0 1px var(--night-line);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--amber);
}
.page-products .exp-vstep--focus .exp-vstep-dot {
  background: var(--orange);
  color: var(--ink);
}
.page-products .exp-vstep h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--chalk);
}
.page-products .exp-vstep p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}
.page-products .exp-inline-link {
  margin-bottom: 0;
  font-size: 15px;
  color: var(--steel);
}

/* 使用节奏 */
.page-products .exp-rhythm {
  display: grid;
  gap: 12px;
}
.page-products .exp-rhythm-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
}
.page-products .exp-rhythm-card .tag {
  align-self: flex-start;
  margin: 0;
}
.page-products .exp-rhythm-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  color: var(--chalk);
}
.page-products .exp-rhythm-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}
.page-products .exp-more {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--lime);
  text-decoration: none;
  border-top: 1px solid var(--line);
}
.page-products .exp-more:hover,
.page-products .exp-more:focus-visible {
  color: var(--amber);
}

/* 收尾 */
.page-products .exp-close {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3.4vw, 34px);
  background: var(--night);
  box-shadow: inset 0 0 0 1px var(--night-line);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}
.page-products .exp-close h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.15;
  color: var(--chalk);
}
.page-products .exp-close .prose {
  margin: 0;
  font-size: 15px;
  color: var(--steel);
}
.page-products .exp-close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.page-products .exp-quiet-link {
  font-size: 13.5px;
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.page-products .exp-quiet-link:hover,
.page-products .exp-quiet-link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* 焦点可达性 */
.page-products a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* 窄屏以下不溢出 */
@media (max-width: 380px) {
  .page-products .exp-load-row {
    grid-template-columns: 68px minmax(0, 1fr);
  }
  .page-products .exp-load-note {
    grid-column: 2;
  }
}

/* 平板 */
@media (min-width: 720px) {
  .page-products .exp-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .exp-pair {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .exp-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .exp-rhythm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .exp-version-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .exp-close {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
  .page-products .exp-close-actions {
    justify-content: flex-end;
  }
}

/* 桌面：左栏固定 + 右侧长内容 */
@media (min-width: 900px) {
  .page-products .exp-hero-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
    align-items: end;
  }
  .page-products .exp-shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 58px);
  }
  .page-products .exp-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }
  .page-products .exp-rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-products .exp-rail-link {
    display: flex;
    justify-content: flex-start;
    padding: 10px 12px;
    background: transparent;
    box-shadow: none;
    white-space: normal;
  }
  .page-products .exp-rail-link:hover,
  .page-products .exp-rail-link:focus-visible {
    background: var(--ink-2);
  }
  .page-products .exp-rail-link[data-active="true"] {
    background: linear-gradient(90deg, rgba(198, 249, 74, 0.1), transparent);
  }
  .page-products .exp-media-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
  .page-products .exp-media-split .exp-figure {
    margin-top: 30px;
  }
  .page-products .exp-version-steps {
    gap: 14px;
  }
}

@media (min-width: 1120px) {
  .page-products .exp-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .page-products .exp-step {
    padding: 22px;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-products .exp-card,
  .page-products .exp-rail-link,
  .page-products .exp-jump,
  .page-products .exp-jump::after,
  .page-products .exp-rail-num {
    transition: none;
  }
  .page-products .exp-screen--on {
    filter: none;
  }
}
<<<END>>>