.page-products {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ===== Hero ===== */
.page-products__hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(0, 255, 163, 0.1), transparent 42%),
    linear-gradient(240deg, rgba(255, 107, 44, 0.1), transparent 55%),
    var(--color-primary);
}

.page-products__hero::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -60px;
  width: 340px;
  height: 340px;
  border: 1px solid var(--line-faint);
  background: repeating-linear-gradient(-45deg, rgba(0, 255, 163, 0.08) 0 1px, transparent 1px 26px);
}

.page-products__hero-grid {
  position: relative;
  display: grid;
  gap: var(--space-5);
  align-items: center;
  z-index: 1;
}

.page-products__hero-desc {
  margin: var(--space-3) 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(248, 250, 252, 0.82);
  max-width: 44em;
}

.page-products__hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.page-products__hero-stats .data-stat {
  padding: var(--space-3);
  background: rgba(248, 250, 252, 0.05);
  border: 1px solid var(--line-faint);
  border-top: 2px solid var(--color-accent);
}

.page-products__hero-media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.page-products__hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
}

/* ===== 核心功能 Tabs ===== */
.page-products__features {
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.02), transparent 180px),
    var(--color-primary);
}

.page-products__tabs {
  margin-top: var(--space-5);
}

.page-products__tabs input[type="radio"] {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.page-products__tab-nav {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  border-bottom: 2px solid var(--line-faint);
  margin-bottom: var(--space-4);
}

.page-products__tab-nav label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--color-gray);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.page-products__tab-nav label span {
  font-size: 12px;
  color: var(--color-accent);
}

.page-products__tabs input#prod-tab-1:checked ~ .page-products__tab-nav label[for="prod-tab-1"],
.page-products__tabs input#prod-tab-2:checked ~ .page-products__tab-nav label[for="prod-tab-2"],
.page-products__tabs input#prod-tab-3:checked ~ .page-products__tab-nav label[for="prod-tab-3"] {
  color: var(--color-white);
  background: rgba(0, 255, 163, 0.08);
  border-top: 2px solid var(--color-accent);
  border-left-color: var(--line-faint);
  border-right-color: var(--line-faint);
}

.page-products__tabs input#prod-tab-1:focus-visible ~ .page-products__tab-nav label[for="prod-tab-1"],
.page-products__tabs input#prod-tab-2:focus-visible ~ .page-products__tab-nav label[for="prod-tab-2"],
.page-products__tabs input#prod-tab-3:focus-visible ~ .page-products__tab-nav label[for="prod-tab-3"] {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.page-products__panel {
  display: none;
}

.page-products__tabs input#prod-tab-1:checked ~ .page-products__tab-body .page-products__panel--1,
.page-products__tabs input#prod-tab-2:checked ~ .page-products__tab-body .page-products__panel--2,
.page-products__tabs input#prod-tab-3:checked ~ .page-products__tab-body .page-products__panel--3 {
  display: block;
}

.page-products__panel-grid {
  display: grid;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
}

.page-products__panel-copy h3 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-headline);
  font-size: 24px;
  color: var(--color-white);
}

.page-products__panel-copy > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(248, 250, 252, 0.74);
}

.page-products__feature-list {
  list-style: none;
  margin: var(--space-4) 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-products__feature-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.82);
}

.page-products__feature-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.page-products__panel-media {
  margin: 0;
  border: 1px solid var(--line-faint);
  background: var(--color-ink);
  overflow: hidden;
}

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

.page-products__panel-media--4x3 img {
  aspect-ratio: 4 / 3;
}

.page-products__panel-media--16x9 img {
  aspect-ratio: 16 / 9;
}

.page-products__compare {
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-products__compare-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-products__compare-row span:first-child {
  color: var(--color-white);
}

.page-products__compare-row span:last-child {
  color: var(--color-accent);
}

/* ===== 移动端适配 ===== */
.page-products__mobile {
  background: var(--color-surface);
  color: var(--color-ink);
  border-top: 1px solid rgba(10, 15, 30, 0.06);
  border-bottom: 1px solid rgba(10, 15, 30, 0.06);
}

.page-products__mobile .section-kicker {
  color: var(--color-secondary);
}

.page-products__mobile .section-title {
  color: var(--color-ink);
}

.page-products__mobile-grid {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.page-products__mobile-copy > p {
  margin: var(--space-3) 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-slate);
  max-width: 44em;
}

.page-products__mobile-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-products__mobile-list li {
  background: var(--color-white);
  border-left: 3px solid var(--color-secondary);
  padding: var(--space-3);
  box-shadow: var(--shadow-card);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-slate);
}

.page-products__mobile-list strong {
  display: block;
  margin-bottom: 2px;
  color: var(--color-ink);
  font-weight: 700;
}

.page-products__mobile-media {
  margin: 0;
}

.page-products__mobile-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--color-ink);
  box-shadow: 0 20px 40px rgba(10, 15, 30, 0.22);
}

/* ===== 数据服务 ===== */
.page-products__data {
  background:
    radial-gradient(circle at 85% 10%, rgba(0, 255, 163, 0.12), transparent 42%),
    linear-gradient(180deg, var(--color-ink), var(--color-primary) 70%);
  border-top: 1px solid var(--line-faint);
}

.page-products__data .section-desc {
  color: var(--color-gray);
}

.page-products__data-grid {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.page-products__data-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: rgba(248, 250, 252, 0.03);
  overflow: hidden;
}

.page-products__data-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-products__metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.page-products__metric {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 116px;
  padding: var(--space-4);
  background: rgba(248, 250, 252, 0.05);
  border: 1px solid var(--line-faint);
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}

.page-products__metric:hover {
  border-color: var(--color-accent);
  background: rgba(0, 255, 163, 0.06);
  transform: translateY(-3px);
}

.page-products__metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.page-products__metric-label {
  display: block;
  margin-top: var(--space-2);
  font-size: 14px;
  color: rgba(248, 250, 252, 0.74);
}

.page-products__metric-tip {
  position: absolute;
  right: var(--space-2);
  bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-secondary);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s, transform 0.2s;
}

.page-products__metric:hover .page-products__metric-tip {
  opacity: 1;
  transform: translateY(0);
}

.page-products__trust {
  margin: var(--space-5) 0 0;
  padding-left: var(--space-3);
  border-left: 3px solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-accent);
}

/* ===== 版本更新 ===== */
.page-products__versions {
  background: var(--color-primary);
}

.page-products__timeline {
  position: relative;
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding-left: 32px;
}

.page-products__timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-secondary), transparent);
}

.page-products__milestone {
  position: relative;
  padding: var(--space-4);
  background: rgba(248, 250, 252, 0.04);
  border: 1px solid var(--line-faint);
}

.page-products__milestone::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 22px;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
}

.page-products__milestone-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-accent);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products__milestone h3 {
  margin: var(--space-2) 0 var(--space-1);
  font-family: var(--font-headline);
  font-size: 18px;
  color: var(--color-white);
}

.page-products__milestone p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(248, 250, 252, 0.66);
}

.page-products__versions-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.page-products__versions-note {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gray);
}

/* ===== 继续探索 ===== */
.page-products__guide {
  background: linear-gradient(180deg, var(--color-primary), rgba(11, 29, 58, 0.92) 60%, var(--color-ink));
}

.page-products__guide-card {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  text-decoration: none;
}

.page-products__guide-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  opacity: 0.7;
}

.page-products__guide-card h3 {
  margin: var(--space-2) 0 0;
  font-family: var(--font-headline);
  font-size: 20px;
  color: var(--color-ink);
}

.page-products__guide-card p {
  margin: var(--space-2) 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-slate);
}

.page-products__guide-link {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s;
}

.page-products__guide-card:hover .page-products__guide-link {
  color: var(--color-accent-dim);
}

/* ===== 桌面端 ===== */
@media (min-width: 860px) {
  .page-products__hero {
    padding-top: var(--space-6);
  }

  .page-products__hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-6);
  }

  .page-products__hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products__tab-nav {
    margin-bottom: var(--space-6);
  }

  .page-products__tab-nav label {
    font-size: 15px;
    padding: var(--space-4) var(--space-5);
  }

  .page-products__panel-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: center;
    padding-bottom: var(--space-6);
  }

  .page-products__panel-grid--reverse .page-products__panel-copy {
    order: 2;
  }

  .page-products__panel-grid--reverse .page-products__panel-media {
    order: 1;
  }

  .page-products__mobile-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
  }

  .page-products__mobile-media {
    order: 2;
  }

  .page-products__data-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: var(--space-6);
  }

  .page-products__metric-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products__metric {
    min-height: 132px;
  }

  .page-products__timeline {
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 0;
    column-gap: var(--space-4);
    padding-left: 0;
    padding-top: 28px;
  }

  .page-products__timeline::before {
    left: 0;
    right: 0;
    top: 10px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(to right, var(--color-accent), var(--color-secondary));
  }

  .page-products__milestone::before {
    left: 16px;
    top: -22px;
  }

  .page-products__guide-card {
    min-height: 240px;
  }
}