.page-products {
  --pf-gap: clamp(1rem, 2vw, 1.6rem);
  --pf-pad: clamp(1.15rem, 2.4vw, 1.9rem);
  --pf-line: rgba(37, 48, 92, 0.9);
}

.page-products .breadcrumb {
  padding-top: clamp(0.9rem, 2.4vw, 1.5rem);
}

.page-products .pf-sect {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(0.75rem, 2vw, 1.25rem);
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(115% 130% at 92% -12%, rgba(123, 47, 190, 0.5) 0%, rgba(123, 47, 190, 0) 58%),
    radial-gradient(85% 110% at -5% 108%, rgba(43, 217, 168, 0.14) 0%, rgba(43, 217, 168, 0) 62%),
    linear-gradient(155deg, #131C42 0%, var(--void) 72%);
  box-shadow: 0 30px 70px -46px rgba(0, 0, 0, 0.95);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1.6px 1.6px at 16% 22%, rgba(237, 241, 255, 0.55), transparent 70%),
    radial-gradient(1.4px 1.4px at 68% 14%, rgba(245, 197, 24, 0.6), transparent 70%),
    radial-gradient(1.2px 1.2px at 44% 66%, rgba(237, 241, 255, 0.38), transparent 70%),
    radial-gradient(1.8px 1.8px at 86% 58%, rgba(43, 217, 168, 0.45), transparent 70%),
    radial-gradient(1.3px 1.3px at 30% 88%, rgba(237, 241, 255, 0.32), transparent 70%),
    radial-gradient(1.5px 1.5px at 58% 40%, rgba(245, 197, 24, 0.32), transparent 70%);
}

.page-products .pf-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.page-products .pf-hero h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--stardust);
  max-width: 22ch;
}

.page-products .pf-hero__lead {
  margin: 1.1rem 0 0;
  max-width: 62ch;
  font-size: clamp(0.98rem, 1.2vw, 1.08rem);
  line-height: 1.85;
  color: var(--nebula);
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-products .pf-hero__media {
  margin: 0;
  border: 1px solid rgba(37, 48, 92, 0.85);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(11, 16, 38, 0.6);
}

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

.page-products .pf-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem 1.25rem;
  margin: clamp(1.8rem, 4vw, 2.6rem) 0 0;
  padding: clamp(1.2rem, 3vw, 1.6rem) 0 0;
  list-style: none;
  border-top: 1px solid var(--pf-line);
}

.page-products .pf-stats li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.page-products .pf-stats__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 2.4vw, 2.05rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--gold);
}

.page-products .pf-stats__label {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--nebula);
}

/* ---------- 筛选与数据集 ---------- */
.page-products .pf-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--pf-gap);
}

.page-products .pf-filter .filter-btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.2;
  padding: 0.5rem 1.05rem;
  border: 1px solid var(--orbit);
  border-radius: 999px;
  background: rgba(20, 27, 60, 0.85);
  color: var(--nebula);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-products .pf-filter .filter-btn:hover {
  color: var(--stardust);
  border-color: rgba(245, 197, 24, 0.55);
}

.page-products .pf-filter .filter-btn[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--void);
  font-weight: 700;
}

.page-products .pf-datasets {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
}

.page-products .pf-dataset {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: var(--pf-pad);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(20, 27, 60, 0.96) 0%, rgba(11, 16, 38, 0.96) 100%);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-products .pf-dataset::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 47, 190, 0.32) 0%, rgba(123, 47, 190, 0) 70%);
  pointer-events: none;
}

.page-products .pf-dataset:hover {
  border-color: rgba(245, 197, 24, 0.5);
  transform: translateY(-3px);
}

.page-products .pf-dataset__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pf-dataset__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  line-height: 1.35;
  color: var(--stardust);
}

.page-products .pf-dataset__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--nebula);
}

.page-products .pf-dataset__meta {
  margin: 0;
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--nebula);
  border-top: 1px dashed rgba(37, 48, 92, 0.9);
}

.page-products .pf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-chips li {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 0.24rem 0.6rem;
  border: 1px solid rgba(37, 48, 92, 0.9);
  border-radius: 999px;
  background: rgba(37, 48, 92, 0.5);
  color: var(--stardust);
}

.page-products .pf-note {
  margin: 1.25rem 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--nebula);
}

.page-products .pf-note a,
.page-products .pf-fold__body a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 197, 24, 0.45);
}

.page-products .pf-note a:hover,
.page-products .pf-fold__body a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 两栏区块 ---------- */
.page-products .pf-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
  align-items: start;
}

.page-products .pf-figure {
  margin: 0;
  border: 1px solid var(--pf-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--indigo);
}

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

.page-products .pf-figure figcaption {
  padding: 0.7rem 1rem;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--nebula);
  border-top: 1px solid rgba(37, 48, 92, 0.8);
}

.page-products .pf-figure--wide {
  margin-bottom: var(--pf-gap);
}

.page-products .pf-block {
  padding: var(--pf-pad);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius-md);
  background: rgba(20, 27, 60, 0.62);
}

.page-products .pf-block__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--gold);
}

.page-products .pf-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-list li {
  display: grid;
  gap: 0.2rem;
  padding-left: 1rem;
  border-left: 2px solid rgba(123, 47, 190, 0.6);
}

.page-products .pf-list__key {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-products .pf-list__val {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--nebula);
}

/* ---------- 表格与折叠 ---------- */
.page-products .table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(37, 48, 92, 0.7);
  border-radius: var(--radius-sm);
  background: rgba(11, 16, 38, 0.7);
}

.page-products .data-table {
  width: 100%;
  min-width: 440px;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.page-products .data-table th,
.page-products .data-table td {
  padding: 0.55rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid rgba(37, 48, 92, 0.6);
}

.page-products .data-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .data-table thead th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--nebula);
  background: rgba(37, 48, 92, 0.4);
}

.page-products .data-table td {
  color: var(--stardust);
}

.page-products .data-table td.field {
  font-family: var(--font-mono);
  color: var(--gold);
  white-space: nowrap;
}

.page-products .data-table td.val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--stardust);
}

.page-products .pf-fold {
  margin-top: 0.85rem;
  border: 1px solid var(--pf-line);
  border-radius: var(--radius-sm);
  background: rgba(11, 16, 38, 0.7);
  overflow: hidden;
}

.page-products .pf-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--stardust);
  cursor: pointer;
  list-style: none;
}

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

.page-products .pf-fold > summary::after {
  content: "+";
  color: var(--gold);
  font-size: 1.05rem;
  line-height: 1;
}

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

.page-products .pf-fold[open] > summary {
  border-bottom: 1px solid rgba(37, 48, 92, 0.7);
}

.page-products .pf-fold__body {
  padding: 0.85rem 1.1rem 1rem;
}

.page-products .pf-fold__body p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--nebula);
}

/* ---------- 教练履历 ---------- */
.page-products .pf-records {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-records__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: var(--pf-pad);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, rgba(20, 27, 60, 0.9), rgba(11, 16, 38, 0.9));
}

.page-products .pf-records__idx {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1;
  color: var(--violet);
  font-weight: 700;
}

.page-products .pf-records__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--stardust);
}

.page-products .pf-records__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--nebula);
}

/* ---------- 接入方式 ---------- */
.page-products .pf-methods {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
}

.page-products .pf-method {
  padding: var(--pf-pad);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius-md);
  background: rgba(20, 27, 60, 0.62);
}

.page-products .pf-method__tag {
  display: inline-block;
  margin: 0 0 0.75rem;
}

.page-products .pf-method__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--stardust);
}

.page-products .pf-method p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--nebula);
}

.page-products .pf-steps__heading {
  margin: clamp(2rem, 4vw, 2.8rem) 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--stardust);
}

.page-products .pf-steps {
  counter-reset: pfstep;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-steps li {
  position: relative;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--pf-line);
  border-radius: var(--radius-md);
  background: rgba(11, 16, 38, 0.75);
}

.page-products .pf-steps li::before {
  counter-increment: pfstep;
  content: "0" counter(pfstep);
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pf-steps__title {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--stardust);
}

.page-products .pf-steps li p {
  margin: 0.4rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--nebula);
}

/* ---------- 服务支持 ---------- */
.page-products .pf-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
}

.page-products .pf-contact {
  padding: var(--pf-pad);
  border: 1px solid rgba(43, 217, 168, 0.3);
  border-radius: var(--radius-md);
  background:
    radial-gradient(90% 100% at 100% 0%, rgba(43, 217, 168, 0.14) 0%, rgba(43, 217, 168, 0) 62%),
    rgba(20, 27, 60, 0.72);
}

.page-products .pf-contact__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--stardust);
}

.page-products .pf-contact__note {
  margin: 1rem 0 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--nebula);
}

.page-products .pf-contact .contact-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-contact .contact-item {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.page-products .pf-contact .contact-key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--nebula);
}

.page-products .pf-contact .contact-value {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--stardust);
  word-break: break-word;
}

/* ---------- 结尾 ---------- */
.page-products .pf-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid rgba(245, 197, 24, 0.3);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 130% at 100% 0%, rgba(245, 197, 24, 0.16) 0%, rgba(245, 197, 24, 0) 60%),
    linear-gradient(150deg, rgba(20, 27, 60, 0.95), rgba(11, 16, 38, 0.95));
}

.page-products .pf-cta p {
  margin: 0.9rem 0 0;
  max-width: 60ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--nebula);
}

.page-products .pf-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pf-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-products .pf-datasets {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .pf-dataset--a { grid-column: span 7; }
  .page-products .pf-dataset--b { grid-column: span 5; }
  .page-products .pf-dataset--c { grid-column: span 5; }
  .page-products .pf-dataset--d { grid-column: span 7; }

  .page-products .pf-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }

  .page-products .pf-split--reverse {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .page-products .pf-support {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-products .pf-cta {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-products .pf-cta__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-dataset {
    transition: none;
  }

  .page-products .pf-dataset:hover {
    transform: none;
  }
}