.page-products {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(28px, 4.5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: min(720px, 78%);
  height: 160%;
  background: linear-gradient(200deg, rgba(32, 227, 255, 0.17), rgba(32, 227, 255, 0) 58%);
  transform: skewX(-16deg);
  pointer-events: none;
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42%;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(32, 227, 255, 0));
}

.page-products .pf-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  padding-top: clamp(22px, 3.6vw, 46px);
  align-items: start;
}

.page-products .pf-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6.2vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
  max-width: 14em;
}

.page-products .pf-hero .lead {
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-products .pf-entry {
  list-style: none;
  margin: 0 0 clamp(24px, 3.2vw, 34px);
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-entry > li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-entry__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-products .pf-entry__name {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}

.page-products .pf-entry__desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pf-hero__figure {
  position: relative;
  margin: 0;
}

.page-products .pf-hero__figure::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  border-top: 2px solid var(--cyan);
  border-right: 2px solid var(--cyan);
  pointer-events: none;
  z-index: 2;
}

.page-products .pf-hero__figure .figure__media {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pf-hero__figure img,
.page-products .pf-replay__figure img,
.page-products .pf-archive__figure img,
.page-products .pf-scene__figure img,
.page-products .pf-cadence__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 状态条 */
.page-products .pf-status {
  position: relative;
  z-index: 1;
  margin-top: clamp(26px, 4vw, 46px);
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pf-status__cell {
  padding: 14px clamp(14px, 2vw, 22px);
  border-bottom: 1px solid var(--line);
}

.page-products .pf-status__cell:last-child {
  border-bottom: 0;
}

.page-products .pf-status__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.page-products .pf-status__v {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--text);
}

/* ---------- 章节通用 ---------- */
.page-products .section {
  padding-block: clamp(52px, 7.5vw, 100px);
  border-bottom: 1px solid var(--line);
}

.page-products .section-head {
  max-width: 860px;
}

.page-products .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
}

.page-products .section-head .lead {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 38em;
}

/* ---------- 回放三步 ---------- */
.page-products .pf-flow {
  display: grid;
  gap: 1px;
  margin-top: clamp(26px, 3.6vw, 42px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pf-flow__step {
  position: relative;
  background: var(--ink-2);
  padding: 24px 20px 28px;
}

.page-products .pf-flow__step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--cyan);
}

.page-products .pf-flow__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-products .pf-flow__step h3 {
  font-size: 19px;
  line-height: 1.35;
  margin: 10px 0 8px;
  color: var(--text);
}

.page-products .pf-flow__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pf-timeline {
  display: block;
  width: 100%;
  height: auto;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .pf-timeline .tl-axis,
.page-products .pf-timeline .tl-ticks line {
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-products .pf-timeline .tl-progress {
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-products .pf-timeline .tl-window {
  fill: rgba(200, 255, 61, 0.13);
  stroke: var(--lime);
  stroke-width: 1;
}

.page-products .pf-timeline .tl-node {
  fill: var(--lime);
}

.page-products .pf-timeline .tl-halo {
  fill: none;
  stroke: var(--lime);
  stroke-width: 1;
  opacity: 0.45;
}

.page-products .pf-timeline .tl-label {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-products .pf-timeline .tl-note {
  fill: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-products .pf-replay__figure {
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-products .pf-replay__figure .figure__media {
  border: 1px solid var(--line);
}

/* ---------- 版本归档轨道 ---------- */
.page-products .pf-track {
  display: flex;
  gap: 1px;
  margin-top: clamp(26px, 3.6vw, 42px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  background: var(--line);
  border-block: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-track::-webkit-scrollbar {
  height: 6px;
}

.page-products .pf-track::-webkit-scrollbar-track {
  background: var(--ink);
}

.page-products .pf-track::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-products .pf-track__item {
  position: relative;
  flex: 0 0 min(282px, 78vw);
  scroll-snap-align: start;
  background: var(--ink);
  padding: 22px 20px 26px;
}

.page-products .pf-track__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  width: 26px;
  height: 1px;
  background: var(--orange);
}

.page-products .pf-track__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .pf-track__item h3 {
  font-size: 18px;
  margin: 10px 0 8px;
  color: var(--text);
}

.page-products .pf-track__item p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pf-files {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .pf-file {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 4px 7px;
  line-height: 1.2;
}

.page-products .pf-archive__split {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-products .pf-archive__figure {
  margin: 0;
}

.page-products .pf-archive__figure .figure__media {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pf-archive__note h3 {
  font-size: 19px;
  line-height: 1.4;
  margin: 0 0 16px;
}

.page-products .pf-filerow {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-filerow li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pf-filerow strong {
  color: var(--text);
  font-weight: 600;
}

.page-products .pf-filerow__k {
  color: var(--cyan);
  font-size: 12px;
  padding-top: 3px;
}

.page-products .pf-archive__link {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.page-products a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(32, 227, 255, 0.35);
}

.page-products a:hover,
.page-products a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 服务组合 ---------- */
.page-products .pf-services {
  list-style: none;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-services > li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-services__idx {
  font-size: 12px;
  color: var(--muted);
  padding-top: 5px;
}

.page-products .pf-services h3 {
  font-size: 17px;
  margin: 0 0 6px;
  color: var(--text);
}

.page-products .pf-services p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 46em;
}

.page-products .pf-services__key h3 {
  color: var(--cyan);
}

.page-products .pf-services__key .pf-services__idx {
  color: var(--orange);
}

.page-products .pf-scene__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-products .pf-scene__figure {
  margin: 0;
}

.page-products .pf-scene__figure .figure__media {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pf-scene__text h3 {
  font-size: 19px;
  margin: 0 0 14px;
}

.page-products .pf-scene__text p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pf-scene__text strong {
  color: var(--text);
  font-weight: 600;
}

.page-products .pf-scene__more {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* ---------- 检查清单 ---------- */
.page-products .pf-checks {
  list-style: none;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pf-check {
  background: var(--panel);
}

.page-products .pf-check label {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px clamp(14px, 2vw, 22px);
  cursor: pointer;
}

.page-products .pf-check__box {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--line);
  background: var(--ink);
  display: grid;
  place-items: center;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .pf-check__box::after {
  content: "";
  width: 9px;
  height: 4px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(-45deg) scale(0);
  transform-origin: center;
  transition: transform 0.16s var(--ease);
}

.page-products .pf-check input:checked + .pf-check__box {
  background: var(--lime);
  border-color: var(--lime);
}

.page-products .pf-check input:checked + .pf-check__box::after {
  transform: rotate(-45deg) scale(1);
}

.page-products .pf-check input:focus-visible + .pf-check__box {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pf-check input:checked ~ .pf-check__text strong {
  color: var(--lime);
}

.page-products .pf-check__text strong {
  display: block;
  font-size: 15.5px;
  color: var(--text);
  margin-bottom: 4px;
  transition: color 0.18s var(--ease);
}

.page-products .pf-check__text small {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pf-checks__foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-products .pf-checks__foot p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-products .pf-cadence {
  display: grid;
  gap: clamp(26px, 3.6vw, 52px);
  align-items: start;
}

.page-products .pf-cadence__text h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
}

.page-products .pf-cadence__text .lead {
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.page-products .pf-cadence__text p {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0 0 20px;
}

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

.page-products .pf-cadence__panel {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink);
  padding: clamp(18px, 2.6vw, 28px);
  overflow: hidden;
}

.page-products .pf-cadence__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 2px;
  background: var(--lime);
}

.page-products .pf-clock {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-products .pf-clock__day {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-products .pf-clock__time {
  font-family: var(--font-display);
  font-size: clamp(52px, 12vw, 96px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-products .pf-cadence__figure {
  margin: 0;
}

.page-products .pf-cadence__figure .figure__media {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pf-next {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3.6vw, 42px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pf-status {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pf-status__cell {
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-products .pf-status__cell:first-child {
    border-left: 0;
  }

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

@media (min-width: 860px) {
  .page-products .pf-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-products .pf-archive__split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-products .pf-scene__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-products .pf-cadence {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 1180px) {
  .page-products .pf-track__item {
    flex: 0 0 min(300px, 24vw);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-check__box,
  .page-products .pf-check__box::after,
  .page-products .pf-check__text strong {
    transition: none;
  }
}