.page-products {
  background: var(--void);
  color: var(--cream);
  overflow-x: clip;
}

.page-products .pd-section {
  padding-block: 56px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-section--last {
  border-bottom: 0;
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */

.page-products .pd-hero {
  padding-block: calc(var(--rail-h) + 84px) 56px;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(130% 90% at 84% -10%, rgba(184, 255, 60, 0.09), transparent 60%),
    radial-gradient(90% 70% at 0% 112%, rgba(255, 106, 43, 0.07), transparent 62%),
    linear-gradient(180deg, var(--void) 0%, var(--panel-deep) 100%);
}

.page-products .pd-hero__frame {
  position: relative;
  margin-top: 22px;
  padding: 32px 16px 22px;
  border: 1px solid var(--line);
  background: rgba(16, 21, 18, 0.72);
}

.page-products .pd-hero__frame::before {
  content: "";
  position: absolute;
  top: 9px;
  right: 9px;
  left: 9px;
  height: 4px;
  background-image: repeating-linear-gradient(to right, var(--grid) 0 1px, transparent 1px 12px);
  opacity: 0.75;
  pointer-events: none;
}

.page-products h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 8vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--cream);
}

.page-products .pd-hero__lede {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pd-hero__shot {
  margin-top: 28px;
}

/* ---------- 双栏对照 ---------- */

.page-products .pd-duel {
  margin-top: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pd-duel__col {
  min-width: 0;
  padding: 20px 16px;
}

.page-products .pd-duel__ruler {
  height: 1px;
  background: var(--line-soft);
}

.page-products .pd-duel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .pd-duel__name {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--cream);
}

.page-products .pd-duel__meta {
  margin: 8px 0 0;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-products .pd-duel__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-duel__item {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--cream-soft);
}

.page-products .pd-duel__item::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  margin-top: 10px;
  background: var(--neon);
}

/* ---------- 章节头 ---------- */

.page-products .pd-head {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

.page-products .pd-head h2 {
  margin: 0;
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--cream);
}

.page-products .pd-head p {
  margin: 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 对比条目 ---------- */

.page-products .cmp {
  border: 1px solid var(--line);
  background: var(--panel-deep);
}

.page-products .cmp__head {
  display: none;
}

.page-products .cmp__row {
  border-bottom: 1px solid var(--line-soft);
}

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

.page-products .cmp__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "label label"
    "ios android";
  gap: 10px 14px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.2s var(--ease);
}

.page-products .cmp__summary::-webkit-details-marker {
  display: none;
}

.page-products .cmp__summary::marker {
  content: "";
}

.page-products .cmp__summary:hover {
  background: rgba(184, 255, 60, 0.05);
}

.page-products .cmp__summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-products .cmp__row[open] > .cmp__summary {
  background: rgba(184, 255, 60, 0.045);
}

.page-products .cmp__cell--label {
  grid-area: label;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--cream);
  min-width: 0;
}

.page-products .cmp__cell--label .mono {
  color: var(--neon);
  font-size: 12px;
}

.page-products .cmp__cell--ios {
  grid-area: ios;
}

.page-products .cmp__cell--android {
  grid-area: android;
}

.page-products .cmp__cell--ios,
.page-products .cmp__cell--android {
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--cream-soft);
}

.page-products .cmp__detail {
  margin: 0 16px;
  padding: 14px 0 18px;
  border-top: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-compare__shot {
  margin-top: 28px;
}

/* ---------- 安装步骤 ---------- */

.page-products .pd-install {
  display: grid;
  gap: 26px;
}

.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-products .step {
  padding: 20px 16px;
  background: var(--panel);
  transition: background-color 0.2s var(--ease);
}

.page-products .step:hover {
  background: var(--panel-deep);
}

.page-products .step__num {
  display: block;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--neon);
}

.page-products .step__title {
  margin: 12px 0 0;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--cream);
}

.page-products .step__body {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 首次设置 ---------- */

.page-products .pd-setup {
  display: grid;
  gap: 28px;
}

.page-products .setup {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-products .setup__item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 16px;
  background: var(--panel);
}

.page-products .setup__box {
  position: relative;
  width: 15px;
  height: 15px;
  margin-top: 4px;
  border: 1px solid var(--neon);
}

.page-products .setup__box::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--neon);
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.page-products .setup__item:hover .setup__box::after {
  opacity: 1;
}

.page-products .setup__title {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--cream);
}

.page-products .setup__body {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 版本节奏时间带 ---------- */

.page-products .tl {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-products .tl__node {
  position: relative;
  min-width: 0;
  padding-left: 26px;
}

.page-products .tl__node::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 24px;
  bottom: -18px;
  width: 1px;
  background: var(--line);
}

.page-products .tl__node:last-child::before {
  display: none;
}

.page-products .tl__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--neon);
  background: var(--void);
}

.page-products .tl__card {
  padding: 16px 14px;
  border: 1px solid var(--line-soft);
  background: var(--panel);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .tl__card:hover {
  border-color: var(--neon);
  transform: translateY(-2px);
}

.page-products .tl__title {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--cream);
}

.page-products .tl__body {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 夜间观赛 ---------- */

.page-products .pd-night {
  display: grid;
  gap: 28px;
}

.page-products .pd-night__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-products .pd-night__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cream-soft);
}

.page-products .pd-night__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--neon);
}

/* ---------- 问题入口 ---------- */

.page-products .pd-help {
  padding: 26px 18px;
  color: var(--ink);
}

.page-products .pd-help h2 {
  margin: 12px 0 0;
  font-size: clamp(22px, 5vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ink);
}

.page-products .pd-help > p {
  margin: 12px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  opacity: 0.78;
}

.page-products .pd-help__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: rgba(36, 28, 22, 0.2);
  border: 1px solid rgba(36, 28, 22, 0.2);
}

.page-products .pd-help__list li {
  background: var(--cream);
}

.page-products .pd-help__list a {
  display: block;
  padding: 14px 16px;
  border-left: 3px solid transparent;
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-products .pd-help__list a:hover,
.page-products .pd-help__list a:focus-visible {
  border-left-color: var(--neon-deep);
  background: var(--cream-soft);
}

.page-products .pd-help__list a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: -4px;
}

.page-products .pd-help__foot {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
  opacity: 0.82;
}

.page-products .pd-help__foot a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--neon-deep);
}

.page-products .pd-help__foot a:hover,
.page-products .pd-help__foot a:focus-visible {
  background: var(--cream-soft);
}

/* ---------- 中屏 ---------- */

@media (min-width: 720px) {
  .page-products .pd-hero__lede {
    font-size: 16px;
  }

  .page-products .pd-hero__frame {
    padding: 36px 28px 26px;
  }

  .page-products .pd-duel__col {
    padding: 24px 24px;
  }

  .page-products .cmp__summary {
    grid-template-columns: minmax(150px, 1.1fr) minmax(0, 1.6fr) minmax(0, 1.6fr);
    grid-template-areas: "label ios android";
    align-items: start;
    gap: 16px;
    padding: 16px 20px;
  }

  .page-products .cmp__head {
    display: grid;
    grid-template-columns: minmax(150px, 1.1fr) minmax(0, 1.6fr) minmax(0, 1.6fr);
    gap: 16px;
    padding: 12px 20px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.08em;
    color: var(--muted);
  }

  .page-products .cmp__detail {
    margin: 0 20px;
    font-size: 14.5px;
  }

  .page-products .step {
    padding: 24px 22px;
  }

  .page-products .setup__item {
    padding: 20px 20px;
  }

  .page-products .tl__card {
    padding: 18px 16px;
  }

  .page-products .pd-help {
    padding: 36px 32px;
  }

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

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-products .pd-section {
    padding-block: 76px;
  }

  .page-products .pd-hero {
    padding-block: calc(var(--rail-h) + 108px) 72px;
  }

  .page-products .pd-duel {
    grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
  }

  .page-products .pd-duel__ruler {
    width: 1px;
    height: auto;
    background-color: transparent;
    background-image: repeating-linear-gradient(to bottom, var(--grid) 0 1px, transparent 1px 11px);
  }

  .page-products .pd-install {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
    gap: 30px;
    align-items: start;
  }

  .page-products .pd-setup {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .pd-night {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.72fr);
    gap: 40px;
    align-items: center;
  }

  .page-products .tl {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 22px;
  }

  .page-products .tl__node {
    padding-left: 0;
    padding-top: 26px;
  }

  .page-products .tl__dot {
    left: 0;
    top: 4px;
  }

  .page-products .tl__node::before {
    left: 14px;
    right: -22px;
    top: 9px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
}

@media (min-width: 1100px) {
  .page-products .pd-hero__frame {
    padding: 44px 40px 32px;
  }

  .page-products .pd-duel__col {
    padding: 28px 30px;
  }
}

/* ---------- 减弱动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products .tl__card,
  .page-products .setup__box::after,
  .page-products .cmp__summary,
  .page-products .step,
  .page-products .pd-help__list a {
    transition: none;
  }

  .page-products .tl__card:hover {
    transform: none;
  }
}