.page-products {
  --pg-shell: 1340px;
  --pg-rail: 168px;
  --pg-aside: 336px;
  --pg-sticky-top: 6rem;
  background: var(--sand);
  color: var(--text);
  overflow-x: clip;
}

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

/* ---------- hero ---------- */
.page-products .pg-hero {
  padding-block: clamp(1.4rem, 3.5vw, 2.4rem) clamp(2rem, 5vw, 3.4rem);
  background:
    radial-gradient(110% 90% at 6% 0%, rgba(224, 165, 38, .22), transparent 58%),
    radial-gradient(90% 80% at 100% 8%, rgba(27, 71, 104, .55), transparent 62%),
    linear-gradient(175deg, #0B1F33 0%, #12324D 60%, #0B1F33 100%);
  color: var(--sand);
}

.page-products .pg-hero .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin: 0 0 clamp(1.2rem, 3vw, 2rem);
  padding: 0;
  list-style: none;
  font-size: .82rem;
  color: var(--slate);
}

.page-products .pg-hero .crumbs__list a {
  color: rgba(247, 242, 232, .74);
  text-decoration: none;
}

.page-products .pg-hero .crumbs__list a:hover {
  color: var(--gold-soft);
}

.page-products .pg-hero__grid {
  display: grid;
  gap: 1.6rem;
}

.page-products .eyebrow {
  margin: 0 0 .7rem;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .pg-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.1rem, 6.4vw, 4.1rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--sand);
}

.page-products .pg-lede {
  margin: 0;
  max-width: 40rem;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.8;
  color: rgba(247, 242, 232, .84);
}

.page-products .pg-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.4rem;
}

.page-products .pg-hero__pills .tag {
  text-decoration: none;
}

.page-products .pg-hero__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .8rem;
  padding: 1.1rem 1.15rem;
  border-radius: var(--r-md);
  border: 1px solid rgba(243, 203, 117, .32);
  background: rgba(11, 31, 51, .55);
}

.page-products .ver-chip {
  display: flex;
  align-items: center;
  gap: .7rem;
  flex-wrap: wrap;
}

.page-products .ver-chip__label {
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-products .ver-chip__code {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-products .pg-hero__hint {
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: rgba(247, 242, 232, .66);
}

/* ---------- .page-products grid ---------- */
.page-products .pg-body {
  display: grid;
  gap: 1.5rem;
  padding-block: clamp(1.6rem, 4vw, 2.6rem) clamp(2.4rem, 6vw, 4rem);
}

.page-products .pg-main > section + section {
  margin-top: clamp(2.2rem, 5vw, 3.6rem);
}

/* ---------- rail ---------- */
.page-products .pg-rail__inner {
  display: grid;
  gap: .55rem;
}

.page-products .pg-rail__label {
  margin: 0;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-ink);
}

.page-products .pg-rail__nav {
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  padding-bottom: .35rem;
  scrollbar-width: thin;
}

.page-products .pg-rail__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .5rem .85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-3);
  font-size: .86rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pg-rail__idx {
  font-size: .72rem;
  color: var(--slate);
}

.page-products .pg-rail__link:hover,
.page-products .pg-rail__link.is-current {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--sand);
}

.page-products .pg-rail__link.is-current .pg-rail__idx,
.page-products .pg-rail__link:hover .pg-rail__idx {
  color: var(--gold);
}

.page-products .pg-rail__pills {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.page-products .pg-chip {
  display: inline-block;
  padding: .34rem .8rem;
  border-radius: 999px;
  background: var(--sand-card);
  color: var(--ink-3);
  font-size: .8rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.page-products .pg-chip:hover {
  border-color: var(--gold);
  color: var(--ink);
}

/* ---------- shared section bits ---------- */
.page-products .pg-sec__head {
  margin-bottom: 1rem;
}

.page-products .pg-h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-products .pg-h3--light {
  margin: 2rem 0 .9rem;
  font-size: clamp(1.1rem, 2vw, 1.36rem);
  font-weight: 800;
  color: var(--sand);
}

.page-products .pg-p {
  margin: 0 0 1.3rem;
  max-width: 42rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted-ink);
}

.page-products .pg-p a,
.page-products .cc-card__p a {
  color: var(--ink-3);
  text-decoration: underline;
  text-underline-offset: .18em;
}

.page-products .pg-fig {
  margin: 0 0 1.4rem;
}

.page-products .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
  background: var(--sand-card);
}

.page-products .figure__cap {
  margin-top: .6rem;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--muted-ink);
}

/* ---------- product lines ---------- */
.page-products .line-grid {
  display: grid;
  gap: .85rem;
}

.page-products .line-card {
  position: relative;
  padding: 1.15rem 1.2rem 1.25rem;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--ink-3);
}

.page-products .line-card--a { border-top-color: var(--slate); }
.page-products .line-card--b { border-top-color: var(--gold); }
.page-products .line-card--c { border-top-color: var(--ink-3); }
.page-products .line-card--doc { border-top-color: var(--red); background: var(--sand-card); }

.page-products .line-card__no {
  margin: 0 0 .35rem;
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-products .line-card__name {
  margin: 0 0 .5rem;
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .line-card__for {
  margin: 0 0 .6rem;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--text);
}

.page-products .line-card__meta {
  margin: 0 0 .8rem;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--muted-ink);
}

.page-products .line-card--doc .line-card__meta {
  margin-bottom: 1rem;
}

/* ---------- content center ---------- */
.page-products .model-grid {
  display: grid;
  gap: .6rem;
  margin-bottom: 1.4rem;
}

.page-products .model-item {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  grid-template-areas:
    "k n"
    "k d";
  gap: .1rem .7rem;
  padding: .8rem .95rem;
  border-radius: var(--r-sm);
  background: var(--sand-card);
  border-left: 3px solid var(--gold);
}

.page-products .model-item__k {
  grid-area: k;
  align-self: center;
  font-size: .82rem;
  color: var(--slate);
}

.page-products .model-item__n {
  grid-area: n;
  font-weight: 800;
  color: var(--ink);
}

.page-products .model-item__d {
  grid-area: d;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--muted-ink);
}

.page-products .cc-grid {
  display: grid;
  gap: .85rem;
}

.page-products .cc-card {
  padding: 1.1rem 1.15rem;
  border-radius: var(--r-md);
  background: linear-gradient(160deg, #fff 0%, #FBF6EC 100%);
  border: 1px solid var(--line);
}

.page-products .cc-card__t {
  margin: 0 0 .5rem;
  font-size: 1.04rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .cc-card__p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.76;
  color: var(--muted-ink);
}

/* ---------- fee tables ---------- */
.page-products .fee-wrap {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  margin-bottom: 1rem;
}

.page-products .fee-wrap--inner {
  margin: 0;
  border: 0;
  border-radius: 0;
}

.page-products .fee-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .93rem;
}

.page-products .fee-cap {
  padding: .85rem 1rem .35rem;
  text-align: left;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--muted-ink);
  caption-side: top;
}

.page-products .fee-table th {
  padding: .6rem 1rem;
  text-align: left;
  font-size: .76rem;
  letter-spacing: .1em;
  font-weight: 700;
  color: var(--muted-ink);
  background: var(--sand-card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .fee-table th:last-child,
.page-products .fee-table td:last-child {
  text-align: right;
  white-space: nowrap;
}

.page-products .fee-table td {
  padding: .85rem 1rem;
  vertical-align: top;
  border-top: 1px solid var(--line);
}

.page-products .fee-table tbody tr:nth-child(even) {
  background: rgba(239, 231, 216, .42);
}

.page-products .fee-name {
  display: block;
  font-weight: 700;
  color: var(--ink);
}

.page-products .fee-note {
  display: block;
  margin-top: .2rem;
  font-size: .82rem;
  line-height: 1.62;
  color: var(--muted-ink);
}

.page-products .fee-num {
  display: inline-block;
  padding: .16rem .55rem;
  border-radius: 999px;
  background: rgba(224, 165, 38, .18);
  color: var(--ink);
  font-size: .86rem;
  font-weight: 600;
}

.page-products .fee-fold {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  overflow: hidden;
  margin-bottom: 1rem;
}

.page-products .fee-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem 1.1rem;
  cursor: pointer;
  font-weight: 800;
  color: var(--ink);
  background: var(--sand-card);
  list-style: none;
}

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

.page-products .fee-fold > summary::after {
  content: "展开";
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--ink-3);
}

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

/* ---------- third column section ---------- */
.page-products .pg-path {
  margin: 0 0 1.4rem;
  padding: 1rem;
  border-radius: var(--r-md);
  background: linear-gradient(120deg, #0B1F33 0%, #12324D 100%);
}

.page-products .pg-path__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pg-path .figure__cap {
  color: rgba(247, 242, 232, .68);
}

.page-products .tc-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-products .tc-item {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: .2rem .8rem;
  padding: 1rem 1.1rem;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
}

.page-products .tc-item__idx {
  font-size: .88rem;
  font-weight: 600;
  color: var(--slate);
  padding-top: .2rem;
}

.page-products .tc-item__t {
  margin: 0 0 .35rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .tc-item__body p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.76;
  color: var(--muted-ink);
}

/* ---------- android steps ---------- */
.page-products .step-grid {
  display: grid;
  gap: .8rem;
  margin-bottom: 1.4rem;
}

.page-products .step {
  padding: 1.1rem 1.15rem;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
}

.page-products .step__num {
  display: inline-block;
  margin-bottom: .5rem;
  padding: .18rem .6rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--gold-soft);
  font-size: .74rem;
  letter-spacing: .08em;
}

.page-products .step__t {
  margin: 0 0 .45rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .step__p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.76;
  color: var(--muted-ink);
}

/* ---------- compare (ink) ---------- */
.page-products .pg-sec--ink {
  padding: clamp(1.3rem, 3.5vw, 2.4rem);
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(224, 165, 38, .16), transparent 60%),
    linear-gradient(160deg, #0B1F33 0%, #12324D 100%);
  color: var(--sand);
}

.page-products .eyebrow--light { color: var(--gold-soft); }
.page-products .pg-h2--light { color: var(--sand); }
.page-products .pg-p--light { color: rgba(247, 242, 232, .8); }

.page-products .cmp-wrap {
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line-light);
  background: rgba(247, 242, 232, .05);
  margin-bottom: 1.4rem;
}

.page-products .cmp-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: .88rem;
  color: var(--sand);
}

.page-products .fee-cap--light {
  padding: .8rem 1rem .3rem;
  color: rgba(247, 242, 232, .6);
}

.page-products .cmp-table th,
.page-products .cmp-table td {
  padding: .72rem .85rem;
  text-align: left;
  border-bottom: 1px solid var(--line-light);
  vertical-align: top;
}

.page-products .cmp-table thead th {
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--gold-soft);
  background: rgba(11, 31, 51, .55);
  white-space: nowrap;
}

.page-products .cmp-table tbody th {
  font-weight: 700;
  color: rgba(247, 242, 232, .72);
  white-space: nowrap;
}

.page-products .cmp-table tbody tr:nth-child(even) {
  background: rgba(247, 242, 232, .045);
}

.page-products .cmp-table .mono {
  color: var(--gold);
  font-weight: 600;
}

.page-products .combo-grid {
  display: grid;
  gap: .75rem;
  margin-bottom: 1.4rem;
}

.page-products .combo {
  padding: 1rem 1.1rem;
  border-radius: var(--r-md);
  background: rgba(247, 242, 232, .07);
  border: 1px solid var(--line-light);
}

.page-products .combo__tag {
  margin: 0 0 .4rem;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--gold-soft);
}

.page-products .combo__t {
  margin: 0 0 .45rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--sand);
}

.page-products .combo__p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.74;
  color: rgba(247, 242, 232, .76);
}

.page-products .pg-cta {
  margin-top: 1.6rem;
  padding: 1.15rem 1.2rem;
  border-radius: var(--r-md);
  background: rgba(11, 31, 51, .62);
  border: 1px solid rgba(243, 203, 117, .3);
}

.page-products .pg-cta__t {
  margin: 0 0 .9rem;
  font-size: .98rem;
  line-height: 1.7;
  color: var(--sand);
}

.page-products .pg-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}

/* ---------- sticky third column ---------- */
.page-products .pg-aside__inner {
  display: grid;
  gap: .8rem;
}

.page-products .aside-card {
  padding: 1rem 1.05rem;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
}

.page-products .aside-card--reg {
  background:
    radial-gradient(90% 90% at 100% 0%, rgba(224, 165, 38, .2), transparent 62%),
    linear-gradient(160deg, #12324D 0%, #0B1F33 100%);
  border-color: transparent;
  color: var(--sand);
}

.page-products .aside-card__k {
  margin: 0 0 .5rem;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-products .aside-card--reg .aside-card__k { color: var(--gold-soft); }

.page-products .aside-card__t {
  margin: 0 0 .45rem;
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--sand);
}

.page-products .aside-card__p {
  margin: 0 0 .9rem;
  font-size: .86rem;
  line-height: 1.7;
  color: rgba(247, 242, 232, .78);
}

.page-products .aside-card__btn { width: 100%; justify-content: center; }

.page-products .ver-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .6rem;
  padding: .35rem 0 .6rem;
  border-bottom: 1px dashed var(--line);
  margin-bottom: .75rem;
}

.page-products .ver-row__k {
  font-size: .84rem;
  color: var(--muted-ink);
}

.page-products .ver-row__v {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink-3);
}

.page-products .kv-list {
  list-style: none;
  margin: 0 0 .7rem;
  padding: 0;
}

.page-products .kv {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .6rem;
  padding: .42rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: .86rem;
}

.page-products .kv:last-child { border-bottom: 0; }

.page-products .kv__k { color: var(--muted-ink); }

.page-products .kv__v {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .aside-link {
  display: inline-block;
  font-size: .84rem;
  font-weight: 700;
  color: var(--ink-3);
  text-decoration: underline;
  text-underline-offset: .2em;
}

.page-products .aside-link:hover { color: var(--red); }

/* ---------- desktop ---------- */
@media (min-width: 760px) {
  .page-products .line-grid,
  .page-products .cc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-products .pg-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    align-items: end;
    gap: 2.2rem;
  }
}

@media (min-width: 1080px) {
  .page-products .pg-body {
    grid-template-columns: var(--pg-rail) minmax(0, 1fr) var(--pg-aside);
    gap: 1.75rem;
    align-items: start;
  }

  .page-products .pg-rail__inner {
    position: sticky;
    top: var(--pg-sticky-top);
    gap: .5rem;
  }

  .page-products .pg-rail__nav {
    flex-direction: column;
    overflow: visible;
    gap: .15rem;
    padding-bottom: 0;
  }

  .page-products .pg-rail__link {
    border-radius: var(--r-sm);
    border-color: transparent;
    background: transparent;
    padding: .46rem .6rem;
    box-shadow: inset 3px 0 0 transparent;
  }

  .page-products .pg-rail__link:hover,
  .page-products .pg-rail__link.is-current {
    background: #fff;
    border-color: var(--line);
    color: var(--ink);
    box-shadow: inset 3px 0 0 var(--gold);
  }

  .page-products .pg-rail__link.is-current .pg-rail__idx { color: var(--gold); }

  .page-products .pg-aside__inner {
    position: sticky;
    top: var(--pg-sticky-top);
  }

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

  .page-products .pg-hero__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, .8fr);
    gap: 3rem;
  }
}

@media (min-width: 1280px) {
  .page-products {
    --pg-rail: 186px;
    --pg-aside: 348px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pg-rail__link,
  .page-products .pg-chip,
  .page-products .aside-link {
    transition: none;
  }
}