.page-products {
  --pp-panel: rgba(14, 22, 36, .68);
  --pp-line: rgba(111, 91, 255, .26);
  --pp-line-strong: rgba(47, 230, 230, .42);
  --pp-glow: rgba(111, 91, 255, .22);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-offset) + 48px) 0 72px;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(111, 91, 255, .26), transparent 58%),
    radial-gradient(90% 70% at 6% 96%, rgba(47, 230, 230, .14), transparent 62%),
    var(--ink);
}

.page-products .pp-hero__glow {
  position: absolute;
  inset: auto -10% -40% auto;
  width: min(520px, 70vw);
  height: min(520px, 70vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(199, 244, 100, .14), transparent 66%);
  pointer-events: none;
}

.page-products .pp-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 64px);
  margin-top: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-products .pp-hero h1 {
  font-family: var(--font-serif);
  font-size: var(--step-4);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--text);
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-products .pp-hero__lead {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: var(--step-1);
  line-height: 1.72;
  color: var(--text-soft);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .pp-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 38px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-stats__item {
  min-width: 0;
}

.page-products .pp-stats__label {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--step--2);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-products .pp-stats__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--lime);
  line-height: 1.1;
}

.page-products .pp-stats__unit {
  font-size: var(--step-0);
  margin-left: 2px;
  color: var(--text-soft);
}

/* 手机设备框 */
.page-products .pp-hero__device {
  display: flex;
  justify-content: center;
}

.page-products .pp-device {
  position: relative;
  width: min(268px, 76vw);
  padding: 12px;
  border-radius: 34px;
  background: linear-gradient(158deg, rgba(111, 91, 255, .46), rgba(47, 230, 230, .16) 62%, rgba(42, 49, 56, .6));
  border: 1px solid var(--pp-line);
  box-shadow: 0 30px 70px -34px rgba(0, 0, 0, .9);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-products .pp-device:hover {
  transform: translateY(-5px);
  box-shadow: 0 40px 84px -34px rgba(111, 91, 255, .58);
}

.page-products .pp-device img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  object-fit: cover;
  background: var(--ink-3);
}

.page-products .pp-device__notch {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 62px;
  height: 6px;
  border-radius: 999px;
  background: rgba(7, 11, 20, .82);
  z-index: 2;
}

.page-products .pp-device__ticker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(7, 11, 20, .78);
  border: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--text-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .pp-device__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grass);
  box-shadow: 0 0 0 4px rgba(47, 143, 91, .22);
}

/* ---------- 通用小标签与刻度线 ---------- */
.page-products .pp-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .pp-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-points--tight {
  margin-top: 18px;
  gap: 10px;
}

.page-products .pp-points li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  align-items: start;
  font-size: var(--step-0);
  line-height: 1.68;
  color: var(--text-soft);
}

.page-products .pp-points__mark {
  margin-top: 9px;
  width: 14px;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

/* ---------- 通勤场景 ---------- */
.page-products .pp-commute {
  background: var(--ink-2);
}

.page-products .pp-commute__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-3);
}

.page-products .pp-commute__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pp-commute__note {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--moss);
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 功能面板 ---------- */
.page-products .pp-features__grid {
  gap: clamp(14px, 2vw, 22px);
}

.page-products .pp-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--pp-panel);
  backdrop-filter: blur(10px);
  transition: border-color .24s var(--ease), transform .24s var(--ease), background .24s var(--ease);
}

.page-products .pp-panel:hover,
.page-products .pp-panel:focus-within {
  border-color: var(--pp-line);
  transform: translateY(-4px);
}

.page-products .pp-panel--accent {
  border-left: 3px solid var(--violet);
}

.page-products .pp-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.page-products .pp-panel__num {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--text-dim);
  letter-spacing: .08em;
}

.page-products .pp-panel__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1.24;
  color: var(--text);
}

.page-products .pp-panel__body {
  margin: 12px 0 0;
  font-size: var(--step-0);
  line-height: 1.72;
  color: var(--text-soft);
}

.page-products .pp-panel__meta {
  margin: auto 0 0;
  padding-top: 18px;
  font-family: var(--font-ui);
  font-size: var(--step--2);
  letter-spacing: .05em;
  color: var(--cyan);
}

/* ---------- 版本演进 ---------- */
.page-products .pp-version {
  background: var(--ink);
}

.page-products .pp-version__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 30px);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .pp-version__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--ink-3);
}

.page-products .pp-version__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-version__panel {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(111, 91, 255, .16), rgba(14, 22, 36, .8));
  border: 1px solid var(--pp-line);
}

.page-products .pp-version__panel-title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--text);
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 560px;
}

.page-products .pp-table__caption {
  text-align: left;
  padding: 16px 18px 0;
  font-family: var(--font-ui);
  font-size: var(--step--1);
  letter-spacing: .06em;
  color: var(--text-dim);
}

.page-products .pp-table th[scope="row"] {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 离线资料 ---------- */
.page-products .pp-offline {
  background: var(--ink-2);
}

.page-products .pp-formats {
  display: grid;
  gap: 12px;
  margin: 26px 0 24px;
}

.page-products .pp-format {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 11, 20, .5);
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-products .pp-format:hover {
  border-color: var(--pp-line-strong);
  transform: translateX(3px);
}

.page-products .pp-format__code {
  display: block;
  padding: 6px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--lime);
  border: 1px solid rgba(199, 244, 100, .3);
  border-radius: 2px;
}

.page-products .pp-format__name {
  margin: 0;
  font-size: var(--step-0);
  font-weight: 600;
  color: var(--text);
}

.page-products .pp-format__desc {
  margin: 4px 0 0;
  font-size: var(--step--1);
  line-height: 1.66;
  color: var(--text-soft);
}

.page-products .pp-offline__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-3);
}

.page-products .pp-offline__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 安装指引 ---------- */
.page-products .pp-install {
  background: var(--ink);
}

.page-products .pp-install__banner {
  margin: 0 0 clamp(26px, 4vw, 44px);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--ink-3);
}

.page-products .pp-install__banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  counter-reset: none;
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: clamp(14px, 2vw, 22px);
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--pp-panel);
  transition: border-color .24s var(--ease);
}

.page-products .pp-step:hover {
  border-color: var(--pp-line);
}

.page-products .pp-step__index {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1;
  color: var(--violet);
}

.page-products .pp-step__title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}

.page-products .pp-step__body p {
  margin: 10px 0 0;
  font-size: var(--step-0);
  line-height: 1.72;
  color: var(--text-soft);
}

.page-products .pp-fold {
  margin-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-fold summary {
  cursor: pointer;
  padding: 12px 0 0;
  font-family: var(--font-ui);
  font-size: var(--step--1);
  letter-spacing: .03em;
  color: var(--cyan);
  list-style: none;
}

.page-products .pp-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-fold summary::after {
  content: "＋";
  margin-left: 8px;
  font-size: .9em;
}

.page-products .pp-fold[open] summary::after {
  content: "－";
}

.page-products .pp-fold summary:hover,
.page-products .pp-fold summary:focus-visible {
  color: var(--lime);
}

.page-products .pp-fold p {
  margin: 10px 0 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .pp-install__foot {
  display: grid;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 42px);
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-install__hint {
  margin: 0;
  max-width: 52ch;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .pp-install__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-help {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(184, 107, 75, .16), rgba(14, 22, 36, .82));
}

.page-products .pp-help__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--text);
}

.page-products .pp-help__body {
  margin: 12px 0 20px;
  max-width: 58ch;
  font-size: var(--step-0);
  line-height: 1.72;
  color: var(--text-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-stats {
    gap: 26px;
  }

  .page-products .pp-formats {
    grid-template-columns: 1fr;
  }

  .page-products .pp-install__foot {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero {
    padding: calc(var(--header-offset) + 68px) 0 96px;
  }

  .page-products .pp-hero__grid {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-products .pp-hero h1 {
    max-width: 15ch;
  }

  .page-products .pp-version__grid {
    grid-template-columns: 1.25fr .75fr;
    align-items: stretch;
  }

  .page-products .pp-version__figure img {
    height: 100%;
    min-height: 280px;
  }

  .page-products .pp-step {
    grid-template-columns: 72px 1fr;
  }

  .page-products .pp-step__index {
    font-size: var(--step-3);
  }
}

@media (min-width: 1180px) {
  .page-products .pp-hero h1 {
    font-size: var(--step-5);
    line-height: 1.02;
  }

  .page-products .pp-device {
    width: 292px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-device,
  .page-products .pp-panel,
  .page-products .pp-format,
  .page-products .pp-step {
    transition: none;
  }

  .page-products .pp-device:hover,
  .page-products .pp-panel:hover,
  .page-products .pp-format:hover {
    transform: none;
  }
}