.page-products {
  --dl-cut: var(--cut);
  background: var(--pearl);
  color: var(--ink);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-products .dl-head {
  padding: clamp(1.4rem, 4vw, 2.6rem) 0 clamp(1.4rem, 4vw, 2.4rem);
  border-bottom: 1px solid var(--line);
}

.page-products .dl-eyebrow {
  margin: 0 0 .9rem;
  font-size: var(--fz-13);
  letter-spacing: .22em;
  color: var(--coral);
}

.page-products h1 {
  margin: 0 0 1rem;
  font-size: clamp(40px, 10vw, 72px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.03em;
}

.page-products .dl-lede {
  margin: 0;
  max-width: 38ch;
  font-size: var(--fz-18);
  line-height: 1.85;
}

/* ---------- 当前版本卡 ---------- */
.page-products .vcard {
  display: grid;
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  background: var(--deep-sea);
  color: var(--on-dark);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--dl-cut)), calc(100% - var(--dl-cut)) 100%, 0 100%);
}

.page-products .vcard__body {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.page-products .vcard__kicker {
  margin: 0 0 .6rem;
  font-size: var(--fz-13);
  letter-spacing: .22em;
  color: var(--amber);
}

.page-products .vcard__num {
  margin: 0 0 .5rem;
  font-family: var(--mono);
  font-size: clamp(56px, 16vw, 72px);
  font-weight: 900;
  line-height: .86;
  letter-spacing: -.05em;
  color: var(--pearl);
}

.page-products .vcard h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--pearl);
}

.page-products .vcard__list {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-products .vcard__list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: var(--fz-17);
  line-height: 1.7;
  color: var(--on-dark);
}

.page-products .vcard__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  background: var(--amber);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.page-products .vcard__meta {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(246, 243, 238, .18);
  font-size: var(--fz-13);
  letter-spacing: .06em;
  color: var(--on-dark-dim);
}

.page-products .vcard__media {
  margin: 0;
  min-height: 200px;
}

.page-products .vcard__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

/* ---------- 通用区块头 ---------- */
.page-products .dl-sec {
  padding: clamp(2.6rem, 7vw, 5rem) 0;
}

.page-products .dl-sec__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.6rem);
}

.page-products .dl-sec__num {
  margin: 0 0 .6rem;
  font-size: var(--fz-13);
  letter-spacing: .22em;
  color: var(--coral);
}

.page-products h2 {
  margin: 0 0 .8rem;
  font-size: clamp(28px, 5.4vw, 40px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.015em;
}

.page-products .dl-sec__note {
  margin: 0;
  max-width: 48ch;
  font-size: var(--fz-17);
  line-height: 1.8;
  color: var(--mist);
}

.page-products h3 {
  margin: 0 0 .5rem;
  font-size: var(--fz-20);
  font-weight: 800;
  line-height: 1.35;
}

/* ---------- 版本对照 ---------- */
.page-products .ver__grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
}

.page-products .ver__aside {
  margin: 0;
}

.page-products .ver__aside img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 320px;
  object-fit: cover;
  background: var(--deep-sea);
}

.page-products .ver__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.2rem;
}

.page-products .ver__tab {
  padding: .5rem .9rem;
  font-size: var(--fz-13);
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: background-color 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .ver__tab:hover {
  border-color: var(--amber);
}

.page-products .ver:has(#dl-v10:checked) .ver__tab[for="dl-v10"],
.page-products .ver:has(#dl-v20:checked) .ver__tab[for="dl-v20"],
.page-products .ver:has(#dl-v24:checked) .ver__tab[for="dl-v24"],
.page-products .ver:has(#dl-v30:checked) .ver__tab[for="dl-v30"],
.page-products .ver:has(#dl-v31:checked) .ver__tab[for="dl-v31"],
.page-products .ver:has(#dl-v32:checked) .ver__tab[for="dl-v32"] {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--pearl);
}

.page-products .ver__radio:focus-visible ~ .ver__grid .ver__tab {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-products .ver__panel {
  display: none;
  padding: clamp(1.1rem, 3vw, 1.9rem) clamp(1.1rem, 3vw, 2rem);
  background: var(--cream);
  border-left: 3px solid var(--coral);
}

.page-products #dl-v10:checked ~ .ver__grid .ver__panel[data-ver="1.0"],
.page-products #dl-v20:checked ~ .ver__grid .ver__panel[data-ver="2.0"],
.page-products #dl-v24:checked ~ .ver__grid .ver__panel[data-ver="2.4"],
.page-products #dl-v30:checked ~ .ver__grid .ver__panel[data-ver="3.0"],
.page-products #dl-v31:checked ~ .ver__grid .ver__panel[data-ver="3.1"],
.page-products #dl-v32:checked ~ .ver__grid .ver__panel[data-ver="3.2"] {
  display: block;
}

.page-products .ver__sum {
  margin: 0;
  font-size: var(--fz-18);
  line-height: 1.75;
  font-weight: 500;
}

.page-products .ver__facts {
  display: grid;
  gap: 1rem;
  margin: 1.1rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
}

.page-products .ver__facts dt {
  margin-bottom: .3rem;
  font-family: var(--mono);
  font-size: var(--fz-13);
  letter-spacing: .12em;
  color: var(--mist);
}

.page-products .ver__facts dd {
  margin: 0;
  font-size: var(--fz-15);
  line-height: 1.78;
}

/* ---------- 设备对照 ---------- */
.page-products .dev-band {
  margin: 0 0 clamp(1.4rem, 4vw, 2.2rem);
}

.page-products .dev-band img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--deep-sea);
}

.page-products .dev-grid {
  display: grid;
  gap: 1rem;
  grid-auto-flow: column;
  grid-auto-columns: minmax(248px, 80%);
  overflow-x: auto;
  padding-bottom: .8rem;
  scrollbar-color: var(--mist) transparent;
}

.page-products .dev-col {
  display: flex;
  flex-direction: column;
  padding: clamp(1.1rem, 3vw, 1.7rem);
  background: var(--cream);
  border-top: 3px solid var(--deep-sea);
}

.page-products .dev-col__icon {
  width: 26px;
  height: 26px;
  margin-bottom: .9rem;
  fill: none;
  stroke: var(--coral);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-products .dev-col p {
  margin: 0 0 .7rem;
  font-size: var(--fz-15);
  line-height: 1.78;
}

.page-products .dev-col__meta {
  font-size: var(--fz-13);
  letter-spacing: .1em;
  color: var(--tide);
}

.page-products .dev-col__use {
  margin-top: auto;
  padding-top: .9rem;
  border-top: 1px solid var(--line-soft);
  color: var(--mist);
}

/* ---------- 三步更新 ---------- */
.page-products .step-band {
  margin: 0 0 clamp(1.5rem, 4vw, 2.4rem);
  opacity: .9;
}

.page-products .step-band img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--cream);
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
}

.page-products .step {
  position: relative;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  background: var(--cream);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - var(--dl-cut)) 0, 100% var(--dl-cut), 100% 100%, 0 100%);
}

.page-products .step__num {
  display: block;
  margin-bottom: .8rem;
  font-size: var(--fz-28);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--amber);
}

.page-products .step p {
  margin: 0 0 .8rem;
  font-size: var(--fz-17);
  line-height: 1.75;
}

.page-products .step__note {
  margin: 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--line);
  font-size: var(--fz-13);
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 功能模块 ---------- */
.page-products .mod-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.6rem);
}

.page-products .mod-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .mod-item {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: .6rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 160ms var(--ease);
}

.page-products .mod-item:hover {
  background: var(--cream);
}

.page-products .mod-item__no {
  font-size: var(--fz-13);
  letter-spacing: .08em;
  color: var(--tide);
  padding-top: .35rem;
}

.page-products .mod-item h3 {
  font-size: var(--fz-18);
}

.page-products .mod-item p {
  margin: 0;
  font-size: var(--fz-15);
  line-height: 1.78;
  color: var(--ink);
}

.page-products .mod-media {
  margin: 0;
}

.page-products .mod-media img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--cream);
}

/* ---------- 常见问题 ---------- */
.page-products .faq {
  border-top: 1px solid var(--line);
}

.page-products .faq details {
  border-bottom: 1px solid var(--line);
}

.page-products .faq summary {
  position: relative;
  padding: 1.05rem 2.4rem 1.05rem 0;
  font-size: var(--fz-17);
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

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

.page-products .faq summary::after {
  content: "+";
  position: absolute;
  right: .2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: var(--fz-20);
  color: var(--coral);
}

.page-products .faq details[open] summary::after {
  content: "\2212";
}

.page-products .faq summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-products .faq p {
  margin: 0 0 1.3rem;
  max-width: 62ch;
  font-size: var(--fz-17);
  line-height: 1.8;
}

.page-products .faq__more {
  margin: clamp(1.4rem, 4vw, 2rem) 0 0;
}

/* ---------- 相关页面 ---------- */
.page-products .dl-next {
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
}

.page-products .dl-next__title {
  margin: 0 0 clamp(1.2rem, 3vw, 1.8rem);
  font-size: var(--fz-20);
  font-weight: 800;
}

.page-products .dl-next__grid {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .dl-next__item {
  display: block;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: var(--pearl);
  color: var(--ink);
  text-decoration: none;
  transition: background-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-products .dl-next__item:hover {
  background: var(--cream);
  transform: translateY(-2px);
}

.page-products .dl-next__item:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -3px;
}

.page-products .dl-next__no {
  display: block;
  margin-bottom: .5rem;
  font-size: var(--fz-13);
  letter-spacing: .12em;
  color: var(--coral);
}

.page-products .dl-next__name {
  display: block;
  margin-bottom: .4rem;
  font-size: var(--fz-20);
  font-weight: 800;
}

.page-products .dl-next__desc {
  display: block;
  font-size: var(--fz-15);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .ver__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .vcard {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .vcard__media img {
    height: 100%;
  }

  .page-products .ver__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .ver__aside img {
    max-width: none;
  }

  .page-products .dev-grid {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
  }

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

  .page-products .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.9rem;
    right: -1rem;
    width: 2rem;
    height: 2px;
    background: var(--amber);
    transform: rotate(-16deg);
  }

  .page-products .mod-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .dl-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ver__tab,
  .page-products .mod-item,
  .page-products .dl-next__item {
    transition: none;
  }

  .page-products .dl-next__item:hover {
    transform: none;
  }
}