.page-products {
  --gap-block: clamp(2.6rem, 6.5vw, 5rem);
  color: var(--white);
  background:
    radial-gradient(900px 520px at 84% -8%, rgba(168, 85, 247, .20), transparent 62%),
    radial-gradient(720px 520px at 6% 22%, rgba(45, 212, 255, .11), transparent 60%);
  padding-bottom: clamp(2.2rem, 6vw, 4rem);
  overflow-x: clip;
}

.page-products .apps-hero {
  padding-top: clamp(1rem, 3vw, 1.8rem);
  padding-bottom: clamp(1.6rem, 5vw, 3rem);
}

.page-products .apps-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  align-items: center;
}

.page-products .apps-hero__title {
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(2.45rem, 8.5vw, 4.9rem);
  line-height: .95;
  letter-spacing: -.045em;
  margin: .55rem 0 1.1rem;
  color: var(--white);
  text-shadow: 0 0 36px rgba(168, 85, 247, .38);
}

.page-products .apps-hero__lede {
  max-width: 46ch;
  margin: 0 0 1.5rem;
  font-size: clamp(.98rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-products .apps-hero__lede strong {
  color: var(--white);
  font-weight: 700;
}

.page-products .apps-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 2.1rem;
  margin: 1.5rem 0 0;
  padding: 1.1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .fact-num {
  display: block;
  font-family: var(--font-geo);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-products .fact-txt {
  display: block;
  margin-top: .35rem;
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-products .apps-hero__media {
  position: relative;
  margin: 0;
  padding: .55rem;
  background: linear-gradient(155deg, rgba(168, 85, 247, .30), rgba(45, 212, 255, .10) 55%, transparent);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), calc(100% - 40px) 100%, 0 100%);
}

.page-products .apps-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), calc(100% - 40px) 100%, 0 100%);
}

.page-products .apps-hero__stamp {
  position: absolute;
  top: .95rem;
  right: .95rem;
  z-index: 2;
  padding: .3rem .55rem;
  font-family: var(--font-geo);
  font-size: .66rem;
  letter-spacing: .22em;
  color: var(--gold);
  background: rgba(11, 6, 20, .74);
  border: 1px solid rgba(246, 199, 106, .42);
}

.page-products .apps-block {
  padding-block: var(--gap-block);
}

.page-products .apps-head__title {
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.35rem);
  line-height: 1.22;
  letter-spacing: -.03em;
  color: var(--white);
  margin: .45rem 0 .7rem;
}

.page-products .apps-head__note {
  max-width: 60ch;
  margin: 0 0 clamp(1.3rem, 3vw, 2rem);
  font-size: .95rem;
  line-height: 1.85;
  color: var(--muted);
}

/* A · 四步订阅 */
.page-products .step-flow {
  display: grid;
  gap: .85rem;
}

.page-products .step-card {
  background: linear-gradient(180deg, rgba(30, 20, 51, .92), rgba(20, 10, 36, .92));
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  box-shadow: inset 0 0 0 1px rgba(168, 85, 247, .22);
  padding: 1rem 1.1rem 1.1rem;
  transition: box-shadow .3s ease, background .3s ease;
}

.page-products .step-card[open] {
  box-shadow: inset 0 0 0 1px rgba(168, 85, 247, .62);
  background: linear-gradient(180deg, rgba(42, 26, 68, .95), rgba(20, 10, 36, .95));
}

.page-products .step-card > summary {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding-right: .2rem;
  cursor: pointer;
  list-style: none;
}

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

.page-products .step-card > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-geo);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--blue);
}

.page-products .step-card[open] > summary::after {
  content: "–";
  color: var(--violet);
}

.page-products .step-card__idx {
  font-family: var(--font-geo);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-products .step-card__name {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-products .step-card__hint {
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .step-card__body {
  margin-top: .85rem;
  padding-top: .85rem;
  border-top: 1px dashed rgba(185, 173, 214, .2);
}

.page-products .step-card__body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .step-card__list {
  margin: .7rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .4rem;
}

.page-products .step-card__list li {
  position: relative;
  padding-left: 1rem;
  font-size: .84rem;
  line-height: 1.7;
  color: rgba(244, 241, 255, .78);
}

.page-products .step-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .38rem;
  height: .38rem;
  background: var(--blue);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

/* B · 标签索引 */
.page-products .label-banner {
  margin: 0 0 clamp(1.2rem, 3vw, 1.9rem);
}

.page-products .label-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 6;
  object-fit: cover;
  border-left: 3px solid var(--violet);
}

.page-products .label-wall {
  display: grid;
  gap: .9rem;
}

.page-products .label-group {
  padding: 1.05rem 1rem 1.15rem;
  background: linear-gradient(180deg, rgba(30, 20, 51, .86), rgba(20, 10, 36, .62));
  border-top: 2px solid var(--violet);
}

.page-products .label-group:nth-child(2) {
  border-top-color: var(--blue);
}

.page-products .label-group:nth-child(3) {
  border-top-color: var(--gold);
}

.page-products .label-group:nth-child(4) {
  border-top-color: var(--mint);
}

.page-products .label-group__title {
  margin: 0 0 .2rem;
  font-size: .95rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-products .label-group__meta {
  margin: 0 0 .8rem;
  font-family: var(--font-geo);
  font-size: .64rem;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-products .label-group__list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .label-chip {
  display: inline-block;
  padding: .26rem .55rem;
  font-size: .78rem;
  line-height: 1.4;
  color: var(--muted);
  background: rgba(11, 6, 20, .55);
  border: 1px solid var(--line-soft);
  transition: color .25s ease, border-color .25s ease, background .25s ease;
}

.page-products .label-chip:hover {
  color: var(--white);
  border-color: var(--blue);
  background: rgba(45, 212, 255, .12);
}

/* C · 设备适配 */
.page-products .device-band {
  margin: 0 0 clamp(1.3rem, 3.2vw, 2rem);
}

.page-products .device-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .device-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .device-row {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .3rem .9rem;
  align-items: start;
  padding: 1.1rem .35rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .device-row--focus {
  background: linear-gradient(90deg, rgba(168, 85, 247, .18), transparent 72%);
  box-shadow: inset 2px 0 0 var(--violet);
}

.page-products .device-row__icon {
  display: block;
  width: 1.85rem;
  height: 1.85rem;
  color: var(--blue);
}

.page-products .device-row__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-products .device-row__name {
  margin: 0 0 .3rem;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-products .device-row__desc {
  margin: 0;
  font-size: .87rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .device-row__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin: .55rem 0 0;
  grid-column: 1 / -1;
}

/* D · 资料下载 */
.page-products .guide-banner {
  margin: 0 0 clamp(1.2rem, 3vw, 1.8rem);
}

.page-products .guide-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-products .guide-grid {
  display: grid;
  gap: .75rem;
}

.page-products .guide-pack {
  padding: .85rem 1rem .95rem;
  background: rgba(30, 20, 51, .62);
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(45, 212, 255, .45);
  transition: border-color .25s ease, background .25s ease;
}

.page-products .guide-pack[open] {
  background: rgba(30, 20, 51, .88);
  border-left-color: var(--blue);
}

.page-products .guide-pack > summary {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  cursor: pointer;
  list-style: none;
}

.page-products .guide-pack > summary::-webkit-details-marker {
  display: none;
}

.page-products .guide-pack > summary::after {
  content: "＋";
  margin-left: auto;
  font-size: .85rem;
  color: var(--violet);
}

.page-products .guide-pack[open] > summary::after {
  content: "－";
  color: var(--blue);
}

.page-products .guide-pack__idx {
  font-family: var(--font-geo);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-products .guide-pack__title {
  font-size: .93rem;
  font-weight: 800;
  color: var(--white);
}

.page-products .guide-list {
  margin: .8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .45rem;
}

.page-products .guide-list li {
  display: flex;
  justify-content: space-between;
  gap: .7rem;
  padding-bottom: .45rem;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--muted);
  border-bottom: 1px dashed rgba(185, 173, 214, .12);
}

.page-products .guide-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .guide-fmt {
  flex: none;
  font-family: var(--font-geo);
  font-size: .63rem;
  letter-spacing: .13em;
  color: rgba(45, 212, 255, .85);
  white-space: nowrap;
}

/* E · 账户设置 */
.page-products .acct-grid {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .acct-cell {
  padding: 1.15rem 1.1rem 1.25rem;
  background: var(--ink-2);
}

.page-products .acct-cell__title {
  margin: 0 0 .5rem;
  font-size: .98rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-products .acct-cell__title::before {
  content: "";
  display: inline-block;
  width: .42rem;
  height: .42rem;
  margin-right: .5rem;
  vertical-align: middle;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.page-products .acct-cell p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--muted);
}

/* F · 检查清单 */
.page-products .precheck {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .precheck__item {
  padding: .95rem 1rem 1.05rem 1rem;
  background: rgba(20, 10, 36, .72);
  border-left: 2px solid var(--blue);
}

.page-products .precheck__item:nth-child(2) {
  border-left-color: var(--violet);
}

.page-products .precheck__item:nth-child(3) {
  border-left-color: var(--gold);
}

.page-products .precheck__item:nth-child(4) {
  border-left-color: var(--mint);
}

.page-products .precheck__num {
  display: block;
  font-family: var(--font-geo);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .2em;
  color: rgba(244, 241, 255, .55);
}

.page-products .precheck__title {
  margin: .35rem 0 .45rem;
  font-size: .96rem;
  font-weight: 800;
  color: var(--white);
}

.page-products .precheck__item p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.8;
  color: var(--muted);
}

/* 结尾入口 */
.page-products .apps-cta {
  margin-top: clamp(2rem, 5vw, 3.4rem);
  position: relative;
}

.page-products .apps-cta__band {
  margin: 0;
  position: relative;
}

.page-products .apps-cta__band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 8;
  object-fit: cover;
  filter: saturate(.9) brightness(.72);
}

.page-products .apps-cta__band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 6, 20, .92) 8%, rgba(11, 6, 20, .35) 62%, rgba(11, 6, 20, .1));
  pointer-events: none;
}

.page-products .apps-cta__inner {
  margin-top: clamp(-6.5rem, -9vw, -3rem);
  position: relative;
  z-index: 1;
  padding-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-products .apps-cta__title {
  margin: .45rem 0 .7rem;
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -.04em;
  color: var(--white);
  text-shadow: 0 0 28px rgba(11, 6, 20, .9);
}

.page-products .apps-cta__note {
  max-width: 54ch;
  margin: 0 0 1.3rem;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .apps-cta__aside {
  margin: 1rem 0 0;
  font-size: .82rem;
  color: rgba(185, 173, 214, .85);
}

.page-products .apps-cta__aside a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 212, 255, .4);
}

.page-products .apps-cta__aside a:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

@media (min-width: 640px) {
  .page-products .label-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-products .step-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-products .step-card:nth-child(even) {
    margin-top: 1.7rem;
  }

  .page-products .device-row {
    grid-template-columns: 2.4rem minmax(0, 1fr) 13.5rem;
    align-items: center;
    padding: 1.25rem .5rem;
  }

  .page-products .device-row__tags {
    grid-column: auto;
    margin: 0;
    justify-content: flex-end;
  }

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

  .page-products .guide-pack:nth-child(5) {
    grid-column: 1 / -1;
  }

  .page-products .guide-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.4rem;
  }
}

@media (min-width: 900px) {
  .page-products .apps-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
  }
}

@media (min-width: 1080px) {
  .page-products .label-wall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .acct-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .precheck {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .step-card,
  .page-products .guide-pack,
  .page-products .label-chip {
    transition: none;
  }
}