.page-products {
  --pt-glass: rgba(255, 255, 255, .07);
  --pt-line: rgba(154, 165, 196, .22);
  --pt-radius: 20px;
  display: block;
  padding: 1.25rem 0 4rem;
}

.page-products .pt-hero { padding: .5rem 0 0; }
.page-products .pt-hero__copy { max-width: 58rem; }

.page-products h1 {
  margin: .55rem 0 0;
  font-size: clamp(1.85rem, 5.4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-products .pt-hero .yh-lead { max-width: 48rem; }

.page-products .pt-stats {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
}

.page-products .pt-stats li {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding-left: .85rem;
  border-left: 2px solid var(--lake);
}

.page-products .pt-stats strong {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--amber);
}

.page-products .pt-stats span {
  font-size: .8rem;
  color: var(--muted);
}

.page-products .yh-media {
  border-radius: var(--pt-radius);
  overflow: hidden;
}

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

.page-products .pt-banner { margin: 2.5rem 0 0; }

.page-products .pt-body {
  display: block;
  margin-top: 3.25rem;
}

.page-products .pt-rail { display: none; }

.page-products .pt-flow {
  display: grid;
  gap: 3.25rem;
  min-width: 0;
}

.page-products .pt-flow > .yh-section { margin: 0; }

.page-products .pt-sec { scroll-margin-top: 6.5rem; }

.page-products .pt-sec h2 {
  margin: .4rem 0 0;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-products .pt-sec__lead {
  max-width: 46rem;
  margin: .9rem 0 0;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--muted);
}

/* 工具星群 */
.page-products .pt-tools {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1.15rem;
  border-radius: 26px;
  background: var(--pt-glass);
  border: 1px solid var(--pt-line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.page-products .pt-tool {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  min-width: 0;
  padding: 1.4rem 1.25rem;
  border-radius: 18px;
  border: 1px solid var(--pt-line);
  background: linear-gradient(165deg, rgba(107, 75, 224, .28), rgba(5, 8, 24, .93) 72%);
  transition: transform .32s var(--ease), border-color .32s var(--ease), box-shadow .32s var(--ease);
}

.page-products .pt-tool:hover,
.page-products .pt-tool:focus-within {
  transform: translateY(-5px);
  border-color: var(--aurora);
  box-shadow: 0 0 0 1px rgba(123, 224, 211, .3), 0 30px 60px -34px rgba(123, 224, 211, .6);
}

.page-products .pt-tool h3 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.3;
}

.page-products .pt-tool p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pt-tool__no {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--lake);
}

.page-products .pt-tool__out {
  margin-top: auto;
  padding-top: .7rem;
  border-top: 1px dashed var(--pt-line);
  font-size: .82rem !important;
  color: var(--aurora) !important;
}

.page-products .pt-tool--switch {
  padding: 1.75rem 1.6rem;
  border-color: rgba(255, 179, 71, .42);
  background: linear-gradient(150deg, rgba(255, 179, 71, .22), rgba(107, 75, 224, .26) 46%, rgba(5, 8, 24, .95));
}

.page-products .pt-tool--switch h3 {
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  letter-spacing: -.01em;
}

.page-products .pt-tool--switch p {
  font-size: 1rem;
  color: rgba(242, 245, 255, .88);
}

.page-products .pt-tool__badge {
  align-self: flex-start;
  padding: .25rem .68rem;
  border-radius: 999px;
  background: var(--amber);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
}

.page-products .pt-tool__mini {
  list-style: none;
  margin: .2rem 0 0;
  padding: 0;
  display: grid;
  gap: .45rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--aurora);
}

.page-products .pt-tool__mini li {
  position: relative;
  padding-left: 1.15rem;
}

.page-products .pt-tool__mini li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--amber);
}

.page-products .pt-tool--switch .yh-btn {
  align-self: flex-start;
  margin-top: .5rem;
}

/* 收藏切换 */
.page-products .pt-media-wide { margin: 2rem 0 0; }

.page-products .pt-steps {
  display: grid;
  gap: .8rem;
  margin-top: 1.75rem;
}

.page-products .pt-step {
  border: 1px solid var(--pt-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .04);
  overflow: hidden;
  transition: border-color .28s var(--ease);
}

.page-products .pt-step[open] {
  border-color: rgba(255, 179, 71, .4);
  background: rgba(255, 179, 71, .05);
}

.page-products .pt-step summary {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-weight: 800;
  font-size: .98rem;
}

.page-products .pt-step summary::-webkit-details-marker { display: none; }

.page-products .pt-step summary::after {
  content: "";
  width: .5rem;
  height: .5rem;
  margin-left: auto;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .3s var(--ease);
}

.page-products .pt-step[open] summary::after {
  transform: rotate(-135deg);
  border-color: var(--amber);
}

.page-products .pt-step__no {
  flex: none;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 179, 71, .45);
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--amber);
}

.page-products .pt-step__title { line-height: 1.4; }

.page-products .pt-step__body {
  padding: 0 1.15rem 1.2rem;
  border-top: 1px solid var(--pt-line);
}

.page-products .pt-io {
  margin: 1rem 0 0;
  display: grid;
  gap: .2rem;
}

.page-products .pt-io dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--lake);
  margin-top: .85rem;
}

.page-products .pt-io dd {
  margin: .3rem 0 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--muted);
}

/* 常用页清单 */
.page-products .pt-check {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.page-products .pt-check__list { min-width: 0; }

.page-products .pt-group {
  padding: 1.1rem 1.15rem;
  border-radius: 18px;
  border: 1px solid var(--pt-line);
  border-left: 3px solid var(--lake);
  background: var(--pt-glass);
}

.page-products .pt-group + .pt-group { margin-top: .9rem; }

.page-products .pt-group--content { border-left-color: var(--nebula); }
.page-products .pt-group--tools { border-left-color: var(--amber); }
.page-products .pt-group--legal { border-left-color: var(--muted); }

.page-products .pt-group h3 {
  margin: 0 0 .35rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .02em;
}

.page-products .pt-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pt-entry {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem 1rem;
  padding: .7rem 0;
  border-top: 1px dashed var(--pt-line);
}

.page-products .pt-entry:first-child { border-top: 0; }

.page-products .pt-entry__name {
  font-size: .95rem;
  color: var(--ink);
}

.page-products .yh-copy {
  max-width: 100%;
  min-width: 0;
}

.page-products .yh-copy__value {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--aurora);
  word-break: break-all;
}

.page-products .pt-check__media { align-self: start; }

/* 多端自查 */
.page-products .pt-check-top {
  display: grid;
  gap: 1.25rem;
  align-items: center;
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: 22px;
  border: 1px solid var(--pt-line);
  background: linear-gradient(140deg, rgba(31, 191, 166, .16), rgba(107, 75, 224, .14));
}

.page-products .pt-check-top p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(242, 245, 255, .86);
}

.page-products .pt-ring {
  display: block;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

.page-products .pt-ring circle {
  fill: none;
  stroke-width: 8;
}

.page-products .pt-ring__track { stroke: rgba(154, 165, 196, .18); }

.page-products .pt-ring__seg {
  stroke-linecap: round;
  stroke-dasharray: 96.5 205.09;
}

.page-products .pt-ring__seg--d { stroke: var(--lake); stroke-dashoffset: 0; }
.page-products .pt-ring__seg--t { stroke: var(--nebula); stroke-dashoffset: -100.53; }
.page-products .pt-ring__seg--m { stroke: var(--amber); stroke-dashoffset: -201.06; }

.page-products .pt-devices {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-products .pt-device {
  padding: 1.25rem 1.15rem;
  border-radius: 18px;
  border: 1px solid var(--pt-line);
  border-top: 3px solid var(--lake);
  background: rgba(255, 255, 255, .04);
}

.page-products .pt-device--tablet { border-top-color: var(--nebula); }
.page-products .pt-device--phone { border-top-color: var(--amber); }

.page-products .pt-device h3 {
  margin: 0 0 .85rem;
  font-size: 1.05rem;
  font-weight: 800;
}

.page-products .pt-device__rows { margin: 0; }

.page-products .pt-device__rows dt {
  padding-top: .8rem;
  font-size: .85rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .pt-device__rows dt:first-child { padding-top: 0; }

.page-products .pt-device__rows dd {
  margin: .35rem 0 0;
  padding-left: .7rem;
  border-left: 2px solid rgba(31, 191, 166, .5);
  font-size: .86rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pt-device--tablet .pt-device__rows dd { border-left-color: rgba(107, 75, 224, .55); }
.page-products .pt-device--phone .pt-device__rows dd { border-left-color: rgba(255, 179, 71, .55); }

.page-products .pt-devices__figure { margin: 1.75rem 0 0; }

/* 站内检索 */
.page-products .pt-search {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-products .pt-search__card {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  padding: 1.35rem 1.2rem;
  border-radius: 18px;
  border: 1px solid var(--pt-line);
  background: linear-gradient(170deg, rgba(11, 16, 48, .92), rgba(5, 8, 24, .94));
}

.page-products .pt-search__tag {
  align-self: flex-start;
  padding: .2rem .65rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
}

.page-products .pt-search__card--name .pt-search__tag { color: var(--lake); }
.page-products .pt-search__card--kw .pt-search__tag { color: var(--nebula); }
.page-products .pt-search__card--entry .pt-search__tag { color: var(--amber); }

.page-products .pt-search__card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.35;
}

.page-products .pt-search__card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pt-search__io {
  margin: .3rem 0 0;
  padding-top: .7rem;
  border-top: 1px dashed var(--pt-line);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .35rem .8rem;
}

.page-products .pt-search__io dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--muted);
  padding-top: .1rem;
}

.page-products .pt-search__io dd {
  margin: 0;
  font-size: .86rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-products .pt-search__figure { margin: 1.75rem 0 0; }

/* 收束 */
.page-products .pt-outro__box {
  padding: 2rem 1.6rem;
  border-radius: 24px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, rgba(31, 191, 166, .18), rgba(107, 75, 224, .2) 55%, rgba(255, 179, 71, .16));
}

.page-products .pt-outro__box h2 {
  margin: 0 0 .75rem;
  font-size: clamp(1.3rem, 3.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.25;
}

.page-products .pt-outro__box p {
  max-width: 46rem;
  margin: 0 0 1.4rem;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(242, 245, 255, .86);
}

@media (min-width: 640px) {
  .page-products .pt-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  .page-products .pt-tools { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pt-tool--switch { grid-column: span 2; }

  .page-products .pt-io {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    gap: .35rem 1rem;
    align-items: start;
  }
  .page-products .pt-io dt { margin-top: .5rem; }
  .page-products .pt-io dd { margin: 0; }
}

@media (min-width: 820px) {
  .page-products .pt-check-top {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 2rem;
  }
  .page-products .pt-devices { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pt-search { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-products .pt-check {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: start;
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .page-products .pt-body {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .pt-rail {
    display: block;
    position: sticky;
    top: 6.5rem;
  }

  .page-products .pt-rail__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
  }

  .page-products .pt-rail__link {
    display: block;
    padding: .55rem .7rem;
    border-left: 2px solid var(--pt-line);
    font-size: .78rem;
    line-height: 1.35;
    color: var(--muted);
    text-decoration: none;
    transition: color .2s var(--ease), border-color .2s var(--ease);
  }

  .page-products .pt-rail__link:hover { color: var(--ink); }

  .page-products .pt-rail__link[aria-current="true"] {
    color: var(--amber);
    border-left-color: var(--amber);
  }

  .page-products .pt-tools {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-areas:
      "switch switch confirm"
      "switch switch list"
      "check  search search";
  }

  .page-products .pt-tool--switch { grid-area: switch; }
  .page-products .pt-tool--confirm { grid-area: confirm; }
  .page-products .pt-tool--list { grid-area: list; }
  .page-products .pt-tool--check { grid-area: check; }
  .page-products .pt-tool--search { grid-area: search; }
}