.page-products {
  background: var(--ink-space);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .breadcrumb {
  padding-block: clamp(16px, 3vw, 28px) 0;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(44px, 6vw, 84px);
  background:
    radial-gradient(760px 440px at 86% -6%, rgba(108, 59, 255, 0.42), transparent 68%),
    radial-gradient(560px 400px at -4% 104%, rgba(45, 245, 212, 0.13), transparent 70%);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-products .pd-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 14px 0 20px;
  max-width: 16ch;
}

.page-products .pd-hero .lead {
  max-width: 60ch;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .pd-hero__panel {
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  background: linear-gradient(158deg, #17131f 0%, #0c0a15 100%);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 26px);
}

.page-products .pd-hero__panel-title {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-products .pd-hero__kv {
  display: grid;
  gap: 0;
  margin: 14px 0 0;
}

.page-products .pd-hero__kv > div {
  display: grid;
  gap: 4px;
  padding-block: 12px;
  border-bottom: 1px solid var(--edge);
}

.page-products .pd-hero__kv > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pd-hero__kv dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pd-hero__kv dd {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-section {
  padding-block: clamp(44px, 6.5vw, 88px);
  border-top: 2px solid var(--edge);
}

.page-products .pd-section .chapter {
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-products .pd-section > .container > .lead {
  margin-top: 0;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .pd-note {
  margin-top: clamp(16px, 2.5vw, 22px);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .media-frame {
  margin: 0;
  overflow: hidden;
}

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

/* ---------- 01 设备条件 ---------- */
.page-products .pd-spec {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  background: var(--ink-panel);
  overflow: hidden;
}

.page-products .pd-spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 14px;
  grid-template-areas:
    "key dot"
    "val val";
  gap: 6px 14px;
  padding: 15px clamp(14px, 2.6vw, 22px);
  border-bottom: 1px solid var(--edge);
  align-items: center;
}

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

.page-products .pd-spec__key {
  grid-area: key;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pd-spec__val {
  grid-area: val;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pd-spec__dot {
  grid-area: dot;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(45, 245, 212, 0.8);
  justify-self: end;
}

.page-products .pd-spec__dot--warn {
  background: var(--orange);
  box-shadow: 0 0 10px rgba(255, 138, 61, 0.8);
}

/* ---------- 02 安装步骤 ---------- */
.page-products .pd-steps-figure {
  margin-bottom: clamp(26px, 4vw, 40px);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 18px;
  position: relative;
  padding-bottom: clamp(22px, 3.4vw, 32px);
}

.page-products .pd-steps__item::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 52px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--violet-deep), rgba(58, 28, 140, 0));
}

.page-products .pd-steps__item:last-child {
  padding-bottom: 0;
}

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

.page-products .pd-steps__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 2px solid var(--violet);
  border-radius: 2px;
  background: var(--ink-panel);
  box-shadow: 3px 3px 0 rgba(58, 28, 140, 0.7);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .pd-steps__title {
  grid-column: 2;
  margin: 0 0 6px;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.page-products .pd-steps__text {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 03 筛选台 ---------- */
.page-products .pd-filter-figure {
  margin-bottom: clamp(24px, 3.5vw, 36px);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
}

.page-products .pd-filter-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .pd-filter {
  display: grid;
  gap: 20px;
  padding: clamp(18px, 3vw, 26px);
  border: 2px solid var(--edge);
  border-left: 6px solid var(--cyan);
  border-radius: var(--radius);
  background: linear-gradient(120deg, #17131f 0%, #0c0a15 100%);
}

.page-products .pd-filter__head {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pd-filter__hint {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pd-filter__summary {
  margin: 22px 0 0;
  padding: 12px 16px;
  border: 2px dashed var(--edge);
  border-radius: var(--radius);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--orange);
  word-break: break-word;
}

.page-products .pd-filter-side {
  align-self: start;
}

.page-products .pd-filter-side .media-frame {
  border: 2px solid var(--edge);
  border-radius: var(--radius);
}

.page-products .pd-filter-side__cap {
  margin: 12px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

/* ---------- 04 跨端同步 ---------- */
.page-products .pd-sync {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
}

.page-products .pd-sync__figure {
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-products .pd-sync__list {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-sync__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-sync__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 8px rgba(108, 59, 255, 0.9);
}

.page-products .pd-sync .btn {
  margin-top: clamp(20px, 3vw, 28px);
}

/* ---------- 05 目录用法 ---------- */
.page-products .pd-uses {
  display: grid;
  gap: clamp(16px, 2.6vw, 22px);
}

.page-products .pd-use {
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink-panel);
}

.page-products .pd-use .card__title {
  margin: 8px 0 10px;
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.45;
}

.page-products .pd-use p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-use .card__meta {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--edge);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 06 客服 ---------- */
.page-products .pd-help__grid {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
}

.page-products .pd-help__card {
  padding: clamp(20px, 3.4vw, 30px);
  border: 2px solid var(--orange);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(255, 138, 61, 0.12), rgba(20, 17, 31, 0.96) 62%);
  box-shadow: 6px 6px 0 rgba(255, 138, 61, 0.26);
}

.page-products .pd-help__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-products .pd-help__mail {
  margin: 12px 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 21px);
  letter-spacing: 0.02em;
  line-height: 1.45;
  color: var(--paper);
  word-break: break-all;
}

.page-products .pd-help__time {
  margin: 0;
  font-size: 13.5px;
  color: var(--mist);
}

.page-products .pd-help__tips {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--edge);
  display: grid;
  gap: 10px;
}

.page-products .pd-help__tips li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pd-help__tips li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--orange);
}

.page-products .pd-help__figure {
  border: 2px solid var(--edge);
  border-radius: var(--radius);
}

.page-products .pd-help__aside {
  padding: clamp(18px, 3vw, 24px);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  background: var(--ink-panel);
}

.page-products .pd-help__aside-title {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .pd-help__aside p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-help__aside a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pd-help__aside .btn {
  margin-top: 6px;
}

.page-products .pd-help__aside .btn,
.page-products .pd-help__aside .btn a {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pd-spec__row {
    grid-template-columns: minmax(0, 176px) minmax(0, 1fr) 14px;
    grid-template-areas: "key val dot";
    gap: 4px 20px;
    align-items: center;
  }

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

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-products .pd-sync {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-products .pd-help__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .pd-help__aside {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-products .pd-filter-layout {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, 0.62fr);
    align-items: start;
  }

  .page-products .pd-filter {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .pd-filter-side {
    position: sticky;
    top: 24px;
  }

  .page-products .pd-uses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}