.page-products {
  --pp-rule: rgba(234, 227, 210, .16);
  --pp-cyan-wash: rgba(56, 225, 208, .09);
  --pp-gold-wash: rgba(201, 162, 39, .11);
  background: var(--ink);
  color: var(--chalk);
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 20px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}
.page-products .crumbs a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .crumbs a:hover {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
}
.page-products .crumbs a:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}
.page-products .crumbs__sep { color: var(--line-strong); }
.page-products .crumbs__item--here { color: var(--gold); }

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 52px;
  border-bottom: 1px solid var(--line);
}
.page-products .dl-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -40%;
  width: 180%;
  height: 160%;
  background:
    linear-gradient(112deg, var(--pp-gold-wash) 0 28%, transparent 28.4%),
    radial-gradient(80% 70% at 94% 6%, var(--pp-cyan-wash), transparent 66%);
  pointer-events: none;
}
.page-products .dl-hero__inner {
  position: relative;
  z-index: 1;
}
.page-products .dl-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-products .dl-hero__title {
  margin: 0 0 20px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 8vw, 62px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--chalk);
}
.page-products .dl-hero__lead {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
}
.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .dl-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--line);
  background: var(--line);
}
.page-products .dl-stat {
  background: var(--panel);
  padding: 16px 16px 18px;
}
.page-products .dl-stat__k {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--slate);
}
.page-products .dl-stat__v {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
}

/* ---------- 章节节奏 ---------- */
.page-products .section { padding-block: 52px; }
.page-products .section + .section { border-top: 1px solid var(--line-soft); }
.page-products .h2 { margin-bottom: 16px; }
.page-products .prose { max-width: 68ch; }

.page-products .band { margin-bottom: 28px; }

.page-products .note {
  border-left: 2px solid var(--gold);
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 图片 ---------- */
.page-products .media { margin: 34px 0 0; }
.page-products .media__frame {
  border: 2px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.page-products .media__frame img {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .media__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 客户端形态 ---------- */
.page-products .platform-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 32px;
}
.page-products .platform-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  border: 2px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .platform-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}
.page-products .platform-card__no {
  align-self: flex-start;
  padding: 3px 10px;
  border: 1px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold-light);
}
.page-products .platform-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-products .platform-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}
.page-products .platform-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}
.page-products .platform-card__foot { margin: 0; }

/* ---------- 版本对照台 ---------- */
.page-products .compare {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 34px;
}
.page-products .compare__rule { display: none; }
.page-products .compare__col {
  padding: 24px;
  border: 2px solid var(--line-strong);
  background: var(--panel);
}
.page-products .compare__col--main { border-top: 4px solid var(--gold); }
.page-products .compare__col--panel { border-top: 4px solid var(--cyan); }

.page-products .compare__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink);
  background: var(--gold);
}
.page-products .compare__tag--cyan {
  background: var(--cyan);
}
.page-products .compare__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}
.page-products .compare__foot { margin: 20px 0 0; }

.page-products .prow-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .prow {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 11px 8px;
  border-top: 1px solid var(--line-soft);
  transition: background var(--dur) var(--ease);
}
.page-products .prow:last-child { border-bottom: 1px solid var(--line-soft); }
.page-products .prow:hover { background: var(--pp-cyan-wash); }
.page-products .prow__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--line-strong);
  font-variant-numeric: tabular-nums;
  transition: color var(--dur) var(--ease);
}
.page-products .prow:hover .prow__no { color: var(--cyan); }
.page-products .prow__k {
  font-size: 14px;
  color: var(--chalk);
}
.page-products .prow__v {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* ---------- 手机端 ---------- */
.page-products .hotspot {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-products .hotspot li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}
.page-products .hotspot li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

/* ---------- 版本号拆解 ---------- */
.page-products .vnum {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 32px;
}
.page-products .vnum__seg {
  padding: 22px;
  border: 2px solid var(--line-strong);
  border-top: 4px solid var(--gold);
  background: var(--panel);
}
.page-products .vnum__seg--panel { border-top-color: var(--cyan); }
.page-products .vnum__seg--patch { border-top-color: var(--coral); }
.page-products .vnum__digit {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(40px, 12vw, 68px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
}
.page-products .vnum__seg--panel .vnum__digit { color: var(--cyan); }
.page-products .vnum__seg--patch .vnum__digit { color: var(--coral); }
.page-products .vnum__role {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
}
.page-products .vnum__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 校验 ---------- */
.page-products .checksum {
  margin-top: 28px;
  padding: 16px 18px;
  border: 2px solid var(--gold);
  background: var(--ink);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}
.page-products .checksum__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-products .checksum__code {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gold-light);
  white-space: nowrap;
  letter-spacing: .04em;
}

.page-products .check-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-products .check-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
}
.page-products .check-step__no {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
}
.page-products .check-step__text {
  margin: 0;
  padding-top: 4px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 安装步骤 ---------- */
.page-products .steps {
  margin: 28px 0 0;
  border-top: 1px solid var(--line);
}
.page-products .step { border-bottom: 1px solid var(--line); }
.page-products .step__head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}
.page-products .step__head::-webkit-details-marker { display: none; }
.page-products .step__head:hover { background: var(--pp-gold-wash); }
.page-products .step__head:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}
.page-products .step__no {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
}
.page-products .step__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--chalk);
}
.page-products .step__head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}
.page-products .step[open] .step__head::after { content: "−"; }
.page-products .step__body {
  padding: 0 4px 22px 58px;
}
.page-products .step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 适配表 ---------- */
.page-products .table-scroll {
  margin-top: 28px;
  border: 2px solid var(--line-strong);
  background: var(--panel);
  overflow-x: auto;
}
.page-products .table-scroll .data-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}
.page-products .table-scroll caption {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
  border-bottom: 1px solid var(--line);
}
.page-products .table-scroll th,
.page-products .table-scroll td {
  padding: 13px 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.7;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .table-scroll thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201, 162, 39, .07);
}
.page-products .table-scroll tbody th {
  font-weight: 400;
  color: var(--chalk);
  white-space: nowrap;
}
.page-products .table-scroll td { color: var(--slate); }
.page-products .table-scroll td.diff {
  color: var(--coral);
  font-weight: 600;
}
.page-products .table-scroll td.ok { color: var(--cyan); }

/* ---------- 帮助分流 ---------- */
.page-products .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 30px;
}
.page-products .help-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 2px solid var(--line-strong);
  border-left: 4px solid var(--coral);
  background: var(--panel);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .help-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}
.page-products .help-card__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--coral);
}
.page-products .help-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}
.page-products .help-card .link-more { margin-top: auto; }

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-products .platform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .vnum { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .help-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .dl-hero { padding-block: 48px 68px; }
  .page-products .dl-hero__stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .step__body { padding-left: 62px; }
}

@media (min-width: 960px) {
  .page-products .section { padding-block: 78px; }
  .page-products .compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
  }
  .page-products .compare__col { padding: 30px 30px 34px; }
  .page-products .compare__col--main {
    border-right-width: 1px;
    border-right-color: var(--line-soft);
  }
  .page-products .compare__col--panel {
    border-left-width: 1px;
    border-left-color: var(--line-soft);
  }
  .page-products .compare__rule {
    display: block;
    position: absolute;
    top: -8px;
    bottom: -8px;
    left: 50%;
    width: 2px;
    transform: translateX(-1px);
    background: linear-gradient(180deg, var(--cyan), rgba(56, 225, 208, .18) 68%, transparent);
    z-index: 1;
  }
  .page-products .help-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
  .page-products .prow {
    grid-template-columns: 46px minmax(0, 1fr);
    grid-template-areas:
      "no key"
      ".  val";
    row-gap: 3px;
    align-items: start;
  }
  .page-products .prow__no { grid-area: no; padding-top: 2px; }
  .page-products .prow__k { grid-area: key; }
  .page-products .prow__v { grid-area: val; text-align: left; }
  .page-products .checksum__code { font-size: 12px; }
  .page-products .step__head {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    gap: 10px;
  }
  .page-products .step__body { padding-left: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .platform-card,
  .page-products .help-card,
  .page-products .prow,
  .page-products .step__head {
    transition: none;
  }
  .page-products .platform-card:hover,
  .page-products .help-card:hover {
    transform: none;
  }
}