.page-products {
  --ex-gap: clamp(1rem, 3vw, 1.5rem);
  --ex-line-coral: rgba(255, 90, 95, 0.42);
  background:
    radial-gradient(1000px 520px at 88% -8%, rgba(34, 211, 238, 0.14), transparent 62%),
    radial-gradient(820px 460px at 2% 3%, rgba(255, 176, 32, 0.1), transparent 60%),
    var(--ink-900);
  color: var(--mint);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  overflow-x: hidden;
}

.page-products .shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--shell-edge);
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  letter-spacing: 0.03em;
  color: var(--mint);
}

.page-products h1 {
  font-size: clamp(2rem, 6.6vw, 3.5rem);
  line-height: 1.14;
  margin: 0 0 1rem;
  font-weight: 800;
}

.page-products h2 {
  font-size: clamp(1.45rem, 4vw, 2.25rem);
  line-height: 1.24;
  margin: 0 0 0.85rem;
  font-weight: 800;
}

.page-products h3 {
  font-size: 1.06rem;
  line-height: 1.4;
  margin: 0 0 0.4rem;
  font-weight: 700;
}

.page-products p {
  line-height: 1.78;
}

.page-products .crumbs {
  padding-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-products .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--gold);
  border-bottom-color: rgba(255, 176, 32, 0.5);
}

.page-products .crumbs-sep {
  margin: 0 0.45rem;
  color: rgba(169, 184, 216, 0.55);
}

/* ---------- 首屏 ---------- */
.page-products .ex-hero {
  padding-top: clamp(1.25rem, 4vw, 2.5rem);
  padding-bottom: clamp(1rem, 3vw, 1.5rem);
}

.page-products .ex-hero-grid {
  display: grid;
  gap: var(--ex-gap);
  align-items: start;
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0 0 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.page-products .eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 2px;
  background: var(--gold);
  flex: none;
}

.page-products .lede {
  color: var(--mist);
  font-size: 0.98rem;
  max-width: 34em;
  margin: 0;
}

.page-products .ex-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-products .ex-hero-panel {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.15rem 1rem;
  backdrop-filter: blur(12px);
}

.page-products .ex-panel-label {
  margin: 0 0 0.9rem;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-products .ex-panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-products .ex-panel-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: baseline;
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.page-products .ex-panel-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .ex-panel-num {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-products .ex-panel-txt {
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-products .ex-panel-note {
  margin: 1rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .ex-anchor-bar {
  display: flex;
  gap: 0.45rem;
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0 0 0.4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .ex-anchor-bar a {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 0.42rem 0.85rem;
  background: rgba(232, 240, 255, 0.04);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .ex-anchor-bar a:hover,
.page-products .ex-anchor-bar a:focus-visible {
  color: var(--gold);
  border-color: rgba(255, 176, 32, 0.55);
  background: rgba(255, 176, 32, 0.08);
}

/* ---------- 章节骨架 ---------- */
.page-products .ex-sect {
  padding-block: clamp(2rem, 5.5vw, 3.75rem);
}

.page-products .ex-sect + .ex-sect {
  border-top: 1px solid var(--line);
}

.page-products .ex-sect-head {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-products .ex-sect-head .lede {
  margin-top: 0.2rem;
}

.page-products .ex-figure {
  margin: 0;
}

.page-products .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-products .media-frame-caption {
  margin-top: 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* ---------- 指南总览 ---------- */
.page-products .ex-guide-grid {
  display: grid;
  gap: var(--ex-gap);
  align-items: start;
}

.page-products .ex-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-products .ex-step {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.85rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}

.page-products .ex-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .ex-step-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  padding-top: 0.2rem;
}

.page-products .ex-step-body h3 {
  margin-bottom: 0.25rem;
}

.page-products .ex-step-body p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--mist);
}

.page-products .ex-step .tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 0.55rem;
}

/* ---------- 版本差异 ---------- */
.page-products .ex-figure--wide {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-products .ex-pair {
  display: grid;
  gap: var(--ex-gap);
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-products .ex-pair-col {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  background: linear-gradient(180deg, rgba(27, 42, 91, 0.5), rgba(11, 18, 48, 0.25));
}

.page-products .ex-pair-col--old {
  border-left: 2px solid var(--ex-line-coral);
}

.page-products .ex-pair-col--new {
  border-left: 2px solid var(--gold);
}

.page-products .ex-pair-tag {
  display: inline-block;
  margin: 0 0 0.85rem;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--coral);
  border: 1px solid var(--ex-line-coral);
  border-radius: var(--radius-pill);
  padding: 0.22rem 0.7rem;
}

.page-products .ex-pair-tag--new {
  color: var(--gold);
  border-color: rgba(255, 176, 32, 0.45);
}

.page-products .ex-pair-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .ex-pair-list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .ex-pair-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--coral);
}

.page-products .ex-pair-col--new .ex-pair-list li::before {
  background: var(--cyan);
}

.page-products .ex-diff-list {
  display: grid;
  gap: 0.85rem;
}

.page-products .ex-diff-row {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color 0.22s var(--ease);
}

.page-products .ex-diff-row:hover,
.page-products .ex-diff-row:focus-within {
  border-color: rgba(34, 211, 238, 0.45);
}

.page-products .ex-diff-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  background: var(--ink-700);
  border-bottom: 1px solid var(--line);
}

.page-products .ex-diff-head .mono {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .ex-diff-head h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.page-products .ex-diff-head .tag {
  margin-left: auto;
}

.page-products .ex-diff-pair {
  display: grid;
}

.page-products .ex-side {
  padding: 1rem;
}

.page-products .ex-side--old {
  border-bottom: 1px dashed var(--ex-line-coral);
}

.page-products .ex-side-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.45rem;
  color: var(--mist);
}

.page-products .ex-side--new .ex-side-label {
  color: var(--gold);
}

.page-products .ex-side p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--mint);
}

.page-products .ex-side--old p {
  color: var(--mist);
}

/* ---------- 检索工作台 ---------- */
.page-products .ex-search-grid {
  display: grid;
  gap: var(--ex-gap);
  align-items: start;
}

.page-products .ex-search-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.1rem;
  background: linear-gradient(160deg, rgba(17, 26, 62, 0.95), rgba(11, 18, 48, 0.7));
}

.page-products .ex-search-bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--ink-900);
  padding: 0.65rem 1rem;
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.12);
}

.page-products .ex-search-icon {
  position: relative;
  width: 0.85rem;
  height: 0.85rem;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  flex: none;
}

.page-products .ex-search-icon::after {
  content: "";
  position: absolute;
  right: -0.2rem;
  bottom: -0.28rem;
  width: 2px;
  height: 0.5rem;
  background: var(--cyan);
  transform: rotate(-45deg);
}

.page-products .ex-search-term {
  margin: 0;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--mint);
}

.page-products .ex-search-count {
  margin-left: auto;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ok);
  white-space: nowrap;
}

.page-products .ex-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
}

.page-products .ex-results {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .ex-result {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.3rem 0.7rem;
  align-items: center;
  padding: 0.8rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(232, 240, 255, 0.04);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .ex-result:hover {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(34, 211, 238, 0.07);
}

.page-products .ex-result-id {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .ex-result .tag {
  grid-row: 1;
  grid-column: 2;
  justify-self: end;
}

.page-products .ex-result-title {
  grid-column: 2;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--mint);
}

.page-products .ex-result-title mark {
  background: rgba(34, 211, 238, 0.2);
  color: var(--cyan);
  border-radius: 2px;
  padding: 0 0.12em;
}

/* ---------- 多终端 ---------- */
.page-products .ex-devices {
  display: grid;
  gap: 0.85rem;
  margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.page-products .ex-device {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.05rem;
  background: linear-gradient(180deg, rgba(27, 42, 91, 0.55), rgba(11, 18, 48, 0.2));
  transition: border-color 0.22s var(--ease);
}

.page-products .ex-device:hover {
  border-color: rgba(255, 176, 32, 0.45);
}

.page-products .ex-device-tag {
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .ex-device p:last-child {
  margin: 0;
  font-size: 0.9rem;
  color: var(--mist);
}

/* ---------- 导出清单 ---------- */
.page-products .ex-export {
  display: grid;
  gap: var(--ex-gap);
}

.page-products .ex-export-card {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-products .ex-export-tag {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-products .ex-export-card--alt {
  border-left: 2px solid var(--cyan);
}

.page-products .ex-export-card--alt .ex-export-tag {
  color: var(--cyan);
}

.page-products .ex-export-desc {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: var(--mist);
}

.page-products .ex-field-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.page-products .ex-field-list li {
  display: grid;
  gap: 0.15rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(232, 240, 255, 0.03);
  font-size: 0.86rem;
  color: var(--mint);
}

.page-products .ex-field-list .mono {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-products .ex-inline-note {
  margin: 1.25rem 0 0;
  font-size: 0.88rem;
  color: var(--mist);
  border-left: 2px solid var(--gold);
  padding-left: 0.9rem;
}

.page-products .ex-inline-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 176, 32, 0.4);
  margin-left: 0.25rem;
  transition: border-color 0.2s var(--ease);
}

.page-products .ex-inline-note a:hover,
.page-products .ex-inline-note a:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 推荐路径 ---------- */
.page-products .ex-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-products .ex-path {
  border-left: 2px solid var(--gold);
  padding: 0.2rem 0 0.2rem 0.95rem;
}

.page-products .ex-path:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-products .ex-path:nth-child(3) {
  border-left-color: var(--coral);
}

.page-products .ex-path-num {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin-bottom: 0.35rem;
}

.page-products .ex-path p {
  margin: 0 0 0.55rem;
  font-size: 0.9rem;
  color: var(--mist);
}

.page-products .ex-path a {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 176, 32, 0.35);
  padding-bottom: 0.1rem;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .ex-path a:hover,
.page-products .ex-path a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--cyan);
}

.page-products .ex-footnote {
  margin: 1.75rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--mist);
}

.page-products .ex-footnote a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .ex-footnote a:hover,
.page-products .ex-footnote a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products a:focus-visible,
.page-products .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .ex-devices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-products .ex-diff-pair {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .ex-side--old {
    border-bottom: 0;
    border-right: 1px dashed var(--ex-line-coral);
  }

  .page-products .ex-field-list li {
    grid-template-columns: 6.5rem 1fr;
    align-items: baseline;
    gap: 0.7rem;
  }
}

@media (min-width: 900px) {
  .page-products .ex-hero-grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-products .ex-guide-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(1.5rem, 3.5vw, 2.5rem);
  }

  .page-products .ex-pair {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-products .ex-pair-col--new {
    margin-top: 1.75rem;
  }

  .page-products .ex-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 980px) {
  .page-products .ex-search-grid {
    grid-template-columns: 1.12fr 0.88fr;
    gap: clamp(1.5rem, 3.5vw, 2.5rem);
  }

  .page-products .ex-export {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-products .ex-step {
    grid-template-columns: 2.2rem 1fr auto;
    align-items: center;
  }

  .page-products .ex-step .tag {
    grid-column: 3;
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}