.page-products {
  --p-card: var(--ink-green);
  --p-muted: #a9bcaf;
  --p-body: #c9d6cd;
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .p-wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--pad);
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 0;
}

.page-products .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 14px;
}

.page-products .eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--lime);
  flex: none;
}

.page-products .breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--moss);
}

.page-products .breadcrumb a {
  color: var(--sage);
  text-decoration: none;
  transition: color .2s ease;
}

.page-products .breadcrumb a:hover {
  color: var(--lime);
}

.page-products .sec-head {
  display: grid;
  gap: 16px;
  max-width: 880px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .sec-title {
  font-size: clamp(27px, 3.6vw, 44px);
  color: var(--chalk);
}

.page-products .sec-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--p-body);
}

.page-products .inline-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.4);
}

.page-products .inline-link:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 首屏 ---------- */

.page-products .hero {
  padding: clamp(20px, 3vw, 40px) 0 clamp(42px, 6vw, 84px);
  background:
    radial-gradient(circle at 82% -10%, rgba(91, 231, 210, 0.1), transparent 55%),
    radial-gradient(circle at 5% 35%, rgba(198, 255, 61, 0.07), transparent 45%);
}

.page-products .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .hero h1 {
  font-size: clamp(36px, 6vw, 72px);
  color: var(--chalk);
  margin-bottom: 20px;
}

.page-products .hero-lede {
  max-width: 60ch;
  margin: 0 0 28px;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.78;
  color: var(--p-body);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .hero-side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-products .stat-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 18px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-md);
  background: var(--p-card);
}

.page-products .stat-card--lime {
  grid-column: span 2;
  border-color: rgba(198, 255, 61, 0.45);
  background: linear-gradient(135deg, rgba(198, 255, 61, 0.14), transparent 68%), var(--p-card);
}

.page-products .stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-products .stat-value {
  font-family: var(--font-display);
  font-size: clamp(30px, 3vw, 38px);
  line-height: 1;
  color: var(--chalk);
}

.page-products .stat-card--lime .stat-value {
  color: var(--lime);
}

.page-products .stat-unit {
  font-size: 14px;
  margin-left: 4px;
  color: var(--sage);
  font-family: var(--font-body);
}

.page-products .hero-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--moss);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--p-card);
}

.page-products .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.page-products .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(91, 231, 210, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 231, 210, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
}

.page-products .hero-media figcaption,
.page-products .section-media figcaption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  right: 16px;
  width: fit-content;
  max-width: calc(100% - 32px);
  padding: 7px 15px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-pill);
  background: rgba(7, 17, 13, 0.84);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--chalk);
}

/* ---------- 入口变更 ---------- */

.page-products .brief {
  padding: clamp(42px, 6vw, 80px) 0;
  background: var(--p-card);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-products .brief-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.6fr);
  gap: clamp(22px, 4vw, 56px);
  align-items: start;
}

.page-products .brief-aside .sec-title {
  font-size: clamp(25px, 3vw, 38px);
}

.page-products .brief-body p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--p-body);
}

.page-products .brief-body p:last-of-type {
  margin-bottom: 0;
}

.page-products .brief-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-products .tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--moss);
  background: var(--slate);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--chalk);
  white-space: nowrap;
}

.page-products .tag--ok {
  border-color: rgba(198, 255, 61, 0.45);
  background: rgba(198, 255, 61, 0.09);
  color: var(--lime);
}

.page-products .tag--alert {
  border-color: rgba(255, 122, 47, 0.5);
  background: rgba(255, 122, 47, 0.12);
  color: var(--orange);
}

/* ---------- 适配清单 ---------- */

.page-products .checklist {
  padding: clamp(46px, 7vw, 94px) 0;
  background: var(--ink);
}

.page-products .size-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.page-products .size-chip {
  display: inline-flex;
  align-items: baseline;
  padding: 11px 18px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-pill);
  background: var(--slate);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--chalk);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-products .size-chip:hover {
  border-color: var(--lime);
  background: rgba(198, 255, 61, 0.08);
  color: var(--lime);
}

.page-products .kernel-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.page-products .kernel-card {
  padding: 20px 20px 18px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-md);
  background: var(--p-card);
}

.page-products .kernel-key {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: 10px;
}

.page-products .kernel-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--p-muted);
}

.page-products .path-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 22px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-md);
  background: var(--p-card);
}

.page-products .path-code {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--lime);
  word-break: break-word;
}

.page-products .copy-btn {
  appearance: none;
  border: 1px solid var(--moss);
  background: transparent;
  color: var(--chalk);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-products .copy-btn:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.page-products .copy-btn[data-copied] {
  border-color: var(--lime);
  background: rgba(198, 255, 61, 0.12);
  color: var(--lime);
}

/* ---------- 两版对照 ---------- */

.page-products .compare {
  padding: clamp(46px, 7vw, 94px) 0;
  background: var(--p-card);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-products .ver-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .ver-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 24px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-pill);
  background: var(--ink);
}

.page-products .ver-tab {
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}

.page-products .ver-tab:hover {
  color: var(--chalk);
}

.page-products #ver-old:checked ~ .ver-tabs .ver-tab[for="ver-old"],
.page-products #ver-new:checked ~ .ver-tabs .ver-tab[for="ver-new"] {
  background: var(--lime);
  color: var(--ink);
}

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

.page-products .ver-col {
  padding: 26px 24px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-lg);
  background: var(--ink);
  transition: border-color .25s ease, box-shadow .25s ease;
}

.page-products .ver-col--old {
  border-color: rgba(122, 140, 131, 0.4);
}

.page-products .ver-col--new {
  border-color: rgba(198, 255, 61, 0.32);
  background: linear-gradient(180deg, rgba(198, 255, 61, 0.07), transparent 46%), var(--ink);
}

.page-products #ver-old:checked ~ .ver-grid .ver-col--old {
  border-color: rgba(122, 140, 131, 0.85);
  box-shadow: 0 0 0 1px rgba(122, 140, 131, 0.35);
}

.page-products #ver-new:checked ~ .ver-grid .ver-col--new {
  border-color: var(--lime);
  box-shadow: 0 0 0 1px rgba(198, 255, 61, 0.4);
}

.page-products .ver-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px dashed var(--moss);
}

.page-products .ver-name {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-products .ver-col--new .ver-name {
  color: var(--lime);
}

.page-products .ver-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .ver-list li {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--moss);
}

.page-products .ver-col--new .ver-list li {
  border-left-color: rgba(198, 255, 61, 0.42);
}

.page-products .ver-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-products .ver-val {
  font-size: 15px;
  line-height: 1.65;
  color: var(--chalk);
}

.page-products .section-media {
  position: relative;
  margin: clamp(26px, 4vw, 42px) 0 0;
  border: 1px solid var(--moss);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink);
}

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

.page-products .section-media--narrow {
  max-width: 780px;
}

/* ---------- 访问步骤 ---------- */

.page-products .steps {
  padding: clamp(46px, 7vw, 94px) 0;
  background: var(--ink);
}

.page-products .step-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step {
  position: relative;
  padding: 26px 22px 24px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-md);
  background: var(--p-card);
  transition: border-color .2s ease;
}

.page-products .step:hover {
  border-color: rgba(198, 255, 61, 0.55);
}

.page-products .step::after {
  content: "";
  position: absolute;
  top: 44px;
  right: -18px;
  width: 18px;
  height: 1px;
  background: var(--moss);
}

.page-products .step:last-child::after {
  display: none;
}

.page-products .step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--lime);
  margin-bottom: 12px;
}

.page-products .step h3 {
  font-size: 19px;
  margin-bottom: 8px;
  color: var(--chalk);
}

.page-products .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--p-muted);
}

/* ---------- 功能面板 ---------- */

.page-products .panels {
  padding: clamp(46px, 7vw, 94px) 0;
  background: var(--p-card);
  border-top: var(--line);
  border-bottom: var(--line);
}

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

.page-products .feature-card {
  position: relative;
  padding: 28px 26px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-lg);
  background: var(--ink);
  overflow: hidden;
  transition: border-color .2s ease, transform .2s ease;
}

.page-products .feature-card:hover {
  border-color: rgba(198, 255, 61, 0.5);
  transform: translateY(-2px);
}

.page-products .feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lime), rgba(198, 255, 61, 0));
  opacity: 0;
  transition: opacity .2s ease;
}

.page-products .feature-card:hover::before {
  opacity: 1;
}

.page-products .feature-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 14px;
}

.page-products .feature-card h3 {
  font-size: 21px;
  margin-bottom: 10px;
  color: var(--chalk);
}

.page-products .feature-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--p-muted);
}

/* ---------- 异常自检 ---------- */

.page-products .selfcheck {
  padding: clamp(46px, 7vw, 94px) 0;
  background: var(--ink);
}

.page-products .check-stack {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.page-products .check-item {
  border: 1px solid var(--moss);
  border-radius: var(--radius-md);
  background: var(--p-card);
  overflow: hidden;
}

.page-products .check-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  color: var(--chalk);
  transition: background .2s ease;
}

.page-products .check-item summary::-webkit-details-marker {
  display: none;
}

.page-products .check-item summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-products .check-item[open] summary::after {
  content: "−";
}

.page-products .check-item summary:hover {
  background: var(--slate);
}

.page-products .check-num {
  flex: none;
  padding: 3px 9px;
  border: 1px solid rgba(198, 255, 61, 0.35);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-products .check-item p {
  margin: 0;
  padding: 0 20px 20px 62px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--p-muted);
}

.page-products .check-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  margin-bottom: 22px;
  border: 1px dashed rgba(255, 122, 47, 0.42);
  border-radius: var(--radius-md);
  background: rgba(255, 122, 47, 0.07);
}

.page-products .check-foot p {
  flex: 1 1 280px;
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: #ddc6b5;
  word-break: break-word;
}

.page-products .check-foot strong {
  color: var(--orange);
}

.page-products .action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-products .btn--primary {
  border: 1px solid var(--lime);
  background: var(--lime);
  color: var(--ink);
}

.page-products .btn--primary:hover {
  background: transparent;
  color: var(--lime);
}

.page-products .btn--ghost {
  border: 1px solid var(--moss);
  background: transparent;
  color: var(--chalk);
}

.page-products .btn--ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

/* ---------- 延伸 ---------- */

.page-products .more {
  padding: clamp(40px, 6vw, 76px) 0 clamp(56px, 8vw, 96px);
  background: var(--ink);
}

.page-products .more .sec-title {
  font-size: clamp(23px, 2.6vw, 32px);
  margin-bottom: 22px;
}

.page-products .more-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.page-products .more-card {
  display: grid;
  gap: 8px;
  padding: 22px 22px 24px;
  border: 1px solid var(--moss);
  border-radius: var(--radius-md);
  background: var(--p-card);
  text-decoration: none;
  transition: border-color .2s ease, background .2s ease;
}

.page-products .more-card:hover {
  border-color: var(--lime);
  background: rgba(198, 255, 61, 0.06);
}

.page-products .more-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-products .more-val {
  font-size: 15px;
  line-height: 1.65;
  color: var(--p-body);
}

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .page-products .hero-grid,
  .page-products .brief-grid,
  .page-products .ver-grid,
  .page-products .panel-grid,
  .page-products .kernel-row,
  .page-products .more-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .page-products .step::after {
    display: none;
  }

  .page-products .check-item p {
    padding-left: 20px;
  }
}

@media (max-width: 600px) {
  .page-products .hero-actions,
  .page-products .action-row {
    flex-direction: column;
    align-items: stretch;
  }

  .page-products .btn {
    width: 100%;
  }

  .page-products .ver-tabs {
    display: flex;
    width: 100%;
  }

  .page-products .ver-tab {
    flex: 1;
    text-align: center;
  }

  .page-products .step-track {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .path-block {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-products .hero-media figcaption,
  .page-products .section-media figcaption {
    position: static;
    width: auto;
    max-width: none;
    margin: 0;
    border: 0;
    border-top: 1px solid var(--moss);
    border-radius: 0;
    background: var(--p-card);
  }

  .page-products .check-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-products .size-chip {
    font-size: 14px;
    padding: 9px 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
  }
}