.page-products {
  padding-bottom: 72px;
}

.page-products .pp-section {
  margin-top: 72px;
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  display: grid;
  grid-template-areas: "track" "body" "visual";
  gap: 28px;
  margin-top: 24px;
}

.page-products .pp-track {
  grid-area: track;
}

.page-products .pp-hero__body {
  grid-area: body;
}

.page-products .pp-hero__visual {
  grid-area: visual;
}

.page-products .pp-track__label {
  margin: 0 0 10px;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-products .pp-track__item a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--warm);
  font-size: 15px;
  text-decoration: none;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .pp-track__item a span {
  font-size: 12px;
  color: var(--cyan);
}

.page-products .pp-track__item a:hover {
  background: var(--panel);
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.page-products .pp-hero__body h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-products .pp-hero__body .section-lede {
  margin: 18px 0 0;
  max-width: 48ch;
}

.page-products .pp-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 20px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-specs li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.page-products .pp-spec__k {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .pp-spec__v {
  font-size: 17px;
  color: var(--cyan-soft);
}

.page-products .pp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pp-hero__visual {
  margin: 0 auto;
  width: 100%;
  max-width: 320px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 15% 8%, rgba(47, 227, 214, 0.20), transparent 62%),
    radial-gradient(110% 80% at 92% 96%, rgba(255, 90, 31, 0.16), transparent 64%),
    var(--night);
}

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

/* ---------- 安装路径 ---------- */

.page-products .pp-paths {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-products .pp-path {
  padding: 28px 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--night);
}

.page-products .pp-path__os {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-products .pp-path h3 {
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--warm);
}

.page-products .pp-path p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pp-path__list {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-path__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pp-path__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 专栏页 ---------- */

.page-products .pp-column {
  display: grid;
  gap: 30px;
}

.page-products .pp-order {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-order li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-order__n {
  font-size: 13px;
  color: var(--cyan);
}

.page-products .pp-order h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--warm);
}

.page-products .pp-order p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pp-note {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-column__figure img,
.page-products .pp-remind__figure img,
.page-products .pp-device__figure img,
.page-products .pp-log__band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-column__figure {
  margin: 0;
}

/* ---------- 提醒 ---------- */

.page-products .pp-remind {
  display: grid;
  gap: 30px;
}

.page-products .pp-dims {
  margin-top: 26px;
  padding: 22px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
}

.page-products .pp-dims__label {
  margin: 0 0 10px;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pp-dims .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .pp-dims__preview {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pp-dims__count {
  font-size: 18px;
  color: var(--cyan);
}

.page-products .pp-toggle-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: 24px;
}

.page-products .pp-toggle-row p {
  margin: 0;
  max-width: 36ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pp-remind__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 90, 31, 0.34);
  border-radius: var(--r-lg);
  box-shadow: 0 26px 60px -44px rgba(255, 90, 31, 0.7);
}

/* ---------- 检索 ---------- */

.page-products .pp-search {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  overflow: hidden;
  border-radius: var(--r-md);
  background: var(--line-soft);
}

.page-products .pp-search__row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 20px 22px;
  background: var(--night);
}

.page-products .pp-search__key {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pp-search__row p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 设备与权限 ---------- */

.page-products .pp-device__figure {
  margin: 0 0 32px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
}

.page-products .pp-sys {
  display: grid;
  gap: 18px;
  margin: 26px 0 0;
}

.page-products .pp-sys > div {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-products .pp-sys dt {
  font-family: var(--font-label);
  font-size: 15px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-products .pp-sys dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-sub {
  margin: 40px 0 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--warm);
}

.page-products .pp-steps {
  display: grid;
  gap: 14px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: ppstep;
}

.page-products .pp-steps li {
  counter-increment: ppstep;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-steps li::before {
  content: counter(ppstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

/* ---------- 更新日志 ---------- */

.page-products .pp-log__band {
  margin: 26px 0 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-products .pp-log__list {
  display: grid;
  gap: 1px;
  margin-top: 24px;
  overflow: hidden;
  border-radius: var(--r-md);
  background: var(--line-soft);
}

.page-products .pp-log__list .fold {
  background: var(--night);
}

.page-products .pp-log__list .fold__title {
  color: var(--cyan-soft);
}

.page-products .pp-log__list .fold__body ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 收尾指引 ---------- */

.page-products .pp-foot-note {
  margin-top: 64px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-products .pp-foot-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-products .pp-specs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

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

  .page-products .pp-sys {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-section {
    margin-top: 104px;
  }

  .page-products .pp-hero {
    grid-template-columns: 168px minmax(0, 1fr);
    grid-template-areas:
      "track body"
      "visual visual";
    gap: 36px 40px;
    margin-top: 40px;
  }

  .page-products .pp-track {
    position: sticky;
    top: 96px;
    padding-left: 18px;
    border-left: 1px solid var(--line);
  }

  .page-products .pp-track__list {
    flex-direction: column;
    gap: 6px;
  }

  .page-products .pp-track__item a {
    justify-content: flex-start;
    padding: 0 10px;
    border-color: transparent;
    border-radius: var(--r-sm);
  }

  .page-products .pp-hero__visual {
    max-width: 560px;
    margin-inline: 0;
  }

  .page-products .pp-hero__visual img {
    height: 420px;
    object-fit: cover;
  }

  .page-products .pp-column {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .pp-remind {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-hero {
    grid-template-columns: 168px minmax(0, 1fr) 300px;
    grid-template-areas: "track .page-products visual";
    gap: 44px;
  }

  .page-products .pp-hero__visual {
    max-width: none;
    margin-inline: 0;
  }

  .page-products .pp-hero__visual img {
    height: 460px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-track__item a {
    transition: none;
  }
}