.page-products {
  --pd-panel: rgba(27, 20, 48, 0.66);
  --pd-hair: rgba(201, 182, 255, 0.14);
  --pd-hair-strong: rgba(201, 182, 255, 0.34);
  --pd-glow-violet: rgba(124, 77, 255, 0.3);
  --pd-glow-cyan: rgba(41, 227, 208, 0.18);
}

.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 5vw, 56px) clamp(36px, 6vw, 72px);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -12%;
  width: min(720px, 78vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 58% 42%, var(--pd-glow-violet), transparent 66%);
  pointer-events: none;
  z-index: 0;
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(201, 182, 255, 0.045) 0 1px, transparent 1px 6px);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.page-products .pd-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-products .pd-hero__eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  border: 1px solid var(--pd-hair-strong);
  border-radius: 999px;
  color: var(--cyan);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
}

.page-products .pd-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--mist);
  max-width: 20ch;
}

.page-products .pd-hero__lead {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--ash);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

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

.page-products .pd-hero__figure {
  margin: 0;
}

.page-products .pd-hero__media {
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--pd-hair);
  box-shadow: 0 24px 60px rgba(11, 11, 18, 0.6);
}

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

/* ---------- 能力总览 ---------- */
.page-products .pd-capability {
  padding-block: clamp(40px, 6vw, 72px);
}

.page-products .pd-cap__grid {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.page-products .pd-cap__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(27, 20, 48, 0.72), rgba(11, 11, 18, 0.6));
  border: 1px solid var(--pd-hair);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .pd-cap__card:hover {
  border-color: var(--pd-hair-strong);
  transform: translateY(-3px);
}

.page-products .pd-cap__num {
  font-size: clamp(40px, 8vw, 60px);
  line-height: 1;
}

.page-products .pd-cap__card .card__title {
  margin: 0;
  font-size: var(--fs-20);
  color: var(--mist);
}

.page-products .pd-cap__card .card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ash);
}

.page-products .pd-cap__card .card__meta {
  margin: 0;
  font-size: var(--fs-12);
  color: var(--lilac);
  letter-spacing: 0.06em;
}

/* ---------- 安装 ---------- */
.page-products .pd-install {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pd-install__grid {
  display: grid;
  gap: 32px;
  margin-top: 32px;
}

.page-products .pd-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(11, 11, 18, 0.56);
  border: 1px solid var(--pd-hair);
}

.page-products .pd-tab {
  flex: 1 1 auto;
  min-width: 96px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--ash);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 200ms var(--ease), background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pd-tab[aria-selected="true"] {
  background: linear-gradient(120deg, var(--violet), var(--violet-deep));
  border-color: var(--lilac);
  color: var(--mist);
}

.page-products .pd-tab:focus-visible {
  outline: 2px solid var(--lilac);
  outline-offset: 2px;
}

.page-products .pd-tabs__panels {
  margin-top: 24px;
}

.page-products .pd-install__meta {
  margin: 0 0 18px;
  padding: 10px 16px;
  border-radius: var(--radius-s);
  background: rgba(41, 227, 208, 0.09);
  border-left: 3px solid var(--cyan);
  color: var(--cyan);
  font-size: var(--fs-12);
  letter-spacing: 0.05em;
}

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

.page-products .pd-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 18px;
  border-radius: var(--radius-s);
  background: rgba(11, 11, 18, 0.44);
  border: 1px solid var(--pd-hair);
}

.page-products .pd-step__num {
  color: var(--coral);
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  padding-top: 2px;
}

.page-products .pd-step__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pd-install__figure {
  margin: 0;
}

.page-products .pd-install__media {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--pd-hair);
}

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

/* ---------- 查询 ---------- */
.page-products .pd-query {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pd-query__grid {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.page-products .pd-query__panel {
  padding: 26px 22px;
  border-radius: var(--radius-l);
  border: 1px solid var(--pd-hair);
  background: linear-gradient(150deg, rgba(14, 59, 59, 0.55), rgba(11, 11, 18, 0.7));
}

.page-products .pd-query__panel--grid {
  background: linear-gradient(150deg, rgba(27, 20, 48, 0.8), rgba(11, 11, 18, 0.7));
}

.page-products .pd-query__head {
  margin-bottom: 22px;
}

.page-products .pd-query__title {
  margin: 0 0 10px;
  font-size: var(--fs-20);
  color: var(--mist);
  font-weight: 800;
}

.page-products .pd-query__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--ash);
}

.page-products .pd-scale {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-scale__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 56px;
  gap: 12px;
  align-items: center;
}

.page-products .pd-scale__bar {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-products .pd-scale__bar--1 { width: 22%; }
.page-products .pd-scale__bar--2 { width: 36%; }
.page-products .pd-scale__bar--3 { width: 52%; }
.page-products .pd-scale__bar--4 { width: 74%; }
.page-products .pd-scale__bar--5 { width: 100%; background: linear-gradient(90deg, var(--violet), var(--coral)); }

.page-products .pd-scale__label {
  font-size: var(--fs-12);
  color: var(--lilac);
  text-align: right;
  letter-spacing: 0.08em;
}

.page-products .pd-catgrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-products .pd-catgrid__cell {
  display: block;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-s);
  border: 1px solid var(--pd-hair-strong);
  background:
    radial-gradient(circle at 30% 30%, rgba(124, 77, 255, 0.34), transparent 62%),
    rgba(11, 11, 18, 0.6);
}

.page-products .pd-catgrid__cell:nth-child(2n) {
  background:
    radial-gradient(circle at 70% 40%, var(--pd-glow-cyan), transparent 62%),
    rgba(11, 11, 18, 0.6);
}

.page-products .pd-query__note {
  margin: 18px 0 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--ash);
}

.page-products .pd-query__figure {
  margin: 28px 0 0;
}

.page-products .pd-query__media {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--pd-hair);
}

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

/* ---------- 文件卡片 ---------- */
.page-products .pd-files {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pd-files__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.page-products .pd-files__grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .pd-file {
  --pd-fmt: var(--violet);
  position: relative;
  padding: 22px 20px 20px 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--pd-hair);
  border-left: 4px solid var(--pd-fmt);
  background: linear-gradient(160deg, rgba(11, 11, 18, 0.8), rgba(14, 59, 59, 0.36));
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .pd-file:hover {
  border-color: var(--pd-hair-strong);
  border-left-color: var(--pd-fmt);
  transform: translateY(-3px);
}

.page-products .pd-file[data-filter-item="pdf"] { --pd-fmt: var(--coral); }
.page-products .pd-file[data-filter-item="csv"] { --pd-fmt: var(--cyan); }
.page-products .pd-file[data-filter-item="zip"] { --pd-fmt: var(--violet); }
.page-products .pd-file[data-filter-item="img"] { --pd-fmt: var(--lilac); }

.page-products .pd-file__fmt {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--pd-fmt);
}

.page-products .pd-file .card__title {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  color: var(--mist);
}

.page-products .pd-file .card__text {
  margin: 0 0 16px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--ash);
}

.page-products .pd-file__meta {
  margin: 0;
  display: grid;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px dashed var(--pd-hair);
}

.page-products .pd-file__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: var(--fs-12);
}

.page-products .pd-file__row dt {
  color: var(--ash);
}

.page-products .pd-file__row dd {
  margin: 0;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-products .pd-files__figure {
  margin: 30px 0 0;
  max-width: 560px;
}

.page-products .pd-files__media {
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--pd-hair);
}

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

/* ---------- 版本时间线 ---------- */
.page-products .pd-versions {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pd-timeline {
  position: relative;
  margin: 34px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
  display: grid;
  gap: 16px;
  border-left: 1px solid var(--pd-hair-strong);
}

.page-products .pd-timeline__item {
  position: relative;
}

.page-products .pd-timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(41, 227, 208, 0.16);
}

.page-products .pd-timeline__item:first-child::before {
  background: var(--violet);
  box-shadow: 0 0 0 5px rgba(124, 77, 255, 0.22);
}

.page-products .pd-version {
  border: 1px solid var(--pd-hair);
  border-radius: var(--radius-m);
  background: rgba(27, 20, 48, 0.5);
  overflow: hidden;
  transition: border-color 200ms var(--ease);
}

.page-products .pd-version[open] {
  border-color: var(--pd-hair-strong);
}

.page-products .pd-version__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pd-version__summary::after {
  content: "+";
  margin-left: auto;
  color: var(--lilac);
  font-family: var(--font-mono);
  font-size: var(--fs-16);
}

.page-products .pd-version[open] .pd-version__summary::after {
  content: "–";
}

.page-products .pd-version__summary:focus-visible {
  outline: 2px solid var(--lilac);
  outline-offset: -2px;
}

.page-products .pd-version__num {
  font-size: var(--fs-28);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-products .pd-version__label {
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-products .pd-version__body {
  padding: 0 20px 18px;
}

.page-products .pd-version__body p {
  margin: 0;
  max-width: 70ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ash);
}

.page-products .pd-versions__figure {
  margin: 30px 0 0;
}

.page-products .pd-versions__media {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--pd-hair);
}

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

/* ---------- 自查 ---------- */
.page-products .pd-help {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-products .pd-help__grid {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-products .pd-help__card {
  padding: 22px 20px;
  border-radius: var(--radius-m);
  border: 1px solid rgba(201, 182, 255, 0.2);
  background: rgba(11, 11, 18, 0.4);
}

.page-products .pd-help__card .card__title {
  margin: 0 0 10px;
  font-size: var(--fs-16);
  color: var(--mist);
}

.page-products .pd-help__card .card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--ash);
}

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

.page-products .pd-help__note {
  margin: 22px 0 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--ash);
}

.page-products .pd-help__link {
  color: var(--lilac);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pd-help__link:hover {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pd-cap__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pd-query__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pd-files__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 980px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }

  .page-products .pd-cap__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-install__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

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

  .page-products .pd-help__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-timeline {
    padding-left: 28px;
  }

  .page-products .pd-timeline__item::before {
    left: -33px;
  }
}

@media (min-width: 1180px) {
  .page-products .pd-files__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-cap__card,
  .page-products .pd-file,
  .page-products .pd-tab,
  .page-products .pd-version {
    transition: none;
  }

  .page-products .pd-cap__card:hover,
  .page-products .pd-file:hover {
    transform: none;
  }
}