.page-products {
  --pc-pad: clamp(1rem, 4vw, 2rem);
  background: var(--cream);
  color: var(--char);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products p {
  line-height: 1.75;
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
  padding-top: 1.15rem;
  font-size: 13.5px;
  color: var(--stone);
}
.page-products .crumbs a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}
.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}
.page-products .crumbs-sep { opacity: .55; }
.page-products .crumbs [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-products .version-hero {
  position: relative;
  padding: 1.75rem 0 2.75rem;
  background:
    radial-gradient(120% 80% at 92% -10%, rgba(216, 162, 58, .28), transparent 62%),
    radial-gradient(90% 70% at -8% 12%, rgba(179, 38, 30, .11), transparent 66%),
    linear-gradient(180deg, var(--sand) 0%, var(--cream) 82%);
}
.page-products .version-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(179, 38, 30, .35), rgba(216, 162, 58, .55), transparent);
}
.page-products .version-hero__inner {
  display: grid;
  gap: 2rem;
}
.page-products h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 5.6vw, 3.15rem);
  line-height: 1.22;
  letter-spacing: -.015em;
  color: var(--ink);
  margin: .65rem 0 1rem;
  max-width: 26ch;
}
.page-products .version-hero__text .lede {
  font-size: 1rem;
  color: rgba(30, 27, 24, .82);
  max-width: 62ch;
}
.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}
.page-products .version-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.page-products .fact {
  background: var(--glass);
  padding: .9rem 1rem 1rem;
}
.page-products .fact dt {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--stone);
}
.page-products .fact dd {
  margin: .3rem 0 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}

/* ---------- 通用分区 ---------- */
.page-products .band {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}
.page-products .band--matrix { background: var(--sand); }
.page-products .band--compat { background: var(--sand); }
.page-products .section-head {
  max-width: 64ch;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}
.page-products .section-head .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  line-height: 1.3;
  color: var(--ink);
  margin: .5rem 0 .75rem;
}
.page-products .section-head .lede {
  font-size: .98rem;
  color: rgba(30, 27, 24, .76);
}

/* ---------- 核心能力 ---------- */
.page-products .cap-grid {
  display: grid;
  gap: 1.75rem;
}
.page-products .cap-phone {
  margin: 0;
}
.page-products .cap-phone .media-frame {
  box-shadow: var(--shadow-1);
}
.page-products .cap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.4rem;
  counter-reset: cap;
}
.page-products .cap-list > li {
  position: relative;
  padding: 0 0 1.2rem 3rem;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .cap-list > li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-products .cap-list > li::before {
  counter-increment: cap;
  content: "0" counter(cap);
  position: absolute;
  left: 0;
  top: .15rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--red);
  background: rgba(179, 38, 30, .09);
  border-radius: 6px;
  padding: .12rem .34rem;
}
.page-products .cap-list h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 .35rem;
  color: var(--ink);
}
.page-products .cap-list p {
  margin: 0;
  font-size: .94rem;
  color: rgba(30, 27, 24, .76);
}
.page-products .cap-strip {
  display: grid;
  gap: 1.5rem;
  margin-top: clamp(2rem, 5vw, 3rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(216, 162, 58, .16), rgba(179, 38, 30, .07));
}
.page-products .cap-strip h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 .5rem;
  color: var(--ink);
}
.page-products .cap-strip p {
  margin: 0;
  font-size: .95rem;
  color: rgba(30, 27, 24, .78);
}

/* ---------- 版本对照 ---------- */
.page-products .matrix-layout {
  display: grid;
  gap: 2rem;
}
.page-products .matrix-figure { margin: 0; }
.page-products .matrix-tabs { min-width: 0; }
.page-products .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.35rem;
}
.page-products .tab {
  font-family: var(--font-mono);
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .5rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(31, 61, 53, .2);
  background: rgba(255, 255, 255, .6);
  color: var(--ink);
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
.page-products .tab:hover {
  border-color: var(--red);
  color: var(--red);
}
.page-products .tab[aria-selected="true"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--cream);
  box-shadow: 0 12px 26px -18px rgba(179, 38, 30, .9);
}
.page-products .tab:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.page-products .tabpanel {
  background: rgba(255, 255, 255, .72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
}
.page-products .tabpanel h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  margin: 0 0 .55rem;
  color: var(--ink);
}
.page-products .tabpanel p {
  margin: 0 0 .55rem;
  font-size: .94rem;
  color: rgba(30, 27, 24, .78);
}
.page-products .tabpanel p:last-child { margin-bottom: 0; }
.page-products .ver-badge {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: .28rem .72rem;
  border-radius: var(--radius-sm);
  color: var(--cream);
  background: var(--stone);
  margin-bottom: .9rem;
}
.page-products .ver-badge--current {
  background: linear-gradient(135deg, var(--red), var(--red-deep));
  box-shadow: var(--shadow-2);
}
.page-products .ver-badge--gold {
  background: linear-gradient(135deg, var(--gold), #b8822a);
  color: #2a1c05;
  margin-bottom: 0;
}
.page-products .ver-meta {
  margin: 0;
  display: grid;
  gap: .7rem;
}
.page-products .ver-meta > div {
  display: grid;
  gap: .15rem;
  padding-bottom: .7rem;
  border-bottom: 1px dashed var(--line-soft);
}
.page-products .ver-meta > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-products .ver-meta dt {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--stone);
}
.page-products .ver-meta dd {
  margin: 0;
  font-size: .94rem;
  color: var(--char);
}

/* ---------- 旧版资料 ---------- */
.page-products .band--archive {
  background:
    radial-gradient(95% 120% at 100% -10%, rgba(216, 162, 58, .22), transparent 58%),
    linear-gradient(160deg, var(--stone) 0%, #35505a 100%);
  color: var(--cream);
}
.page-products .archive-grid {
  display: grid;
  gap: 2rem;
}
.page-products .archive-text > p {
  color: rgba(250, 246, 238, .86);
  font-size: .96rem;
}
.page-products .eyebrow--light {
  color: var(--gold-soft);
  letter-spacing: .14em;
}
.page-products .band--archive .section-title {
  color: var(--cream);
}
.page-products .archive-points {
  list-style: none;
  margin: 1.25rem 0 1.75rem;
  padding: 0;
  display: grid;
  gap: .6rem;
}
.page-products .archive-points li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .93rem;
  color: rgba(250, 246, 238, .88);
}
.page-products .archive-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: .5rem;
  height: .5rem;
  border-radius: 2px;
  transform: rotate(45deg);
  background: var(--gold);
}
.page-products .archive-figure { margin: 0; }
.page-products .band--archive .media-caption {
  color: rgba(250, 246, 238, .72);
}

/* ---------- 下载与安装 ---------- */
.page-products .download-layout {
  display: grid;
  gap: 2rem;
}
.page-products .download-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem 1.75rem;
  color: var(--cream);
  background: linear-gradient(155deg, var(--red) 0%, var(--red-deep) 58%, #641210 100%);
  box-shadow: var(--shadow-2);
}
.page-products .download-card::after {
  content: "";
  position: absolute;
  right: -30%;
  bottom: -40%;
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 162, 58, .42), transparent 68%);
  pointer-events: none;
}
.page-products .download-card__head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.page-products .download-card__flag {
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gold-soft);
  border: 1px solid rgba(239, 212, 154, .5);
  border-radius: 999px;
  padding: .18rem .6rem;
}
.page-products .download-card__claim {
  position: relative;
  z-index: 1;
  margin: 1rem 0 1.25rem;
  font-family: var(--font-display);
  font-size: 1.14rem;
  line-height: 1.5;
}
.page-products .download-card__meta {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: .55rem;
}
.page-products .download-card__meta li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: .89rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(250, 246, 238, .22);
}
.page-products .download-card__meta b {
  font-weight: 600;
  color: #fff;
}
.page-products .download-card__scan {
  position: relative;
  z-index: 1;
  width: min(180px, 55%);
  margin: 0 auto .9rem;
  padding: .5rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(250, 246, 238, .12);
}
.page-products .download-card__scan img {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .download-card__hint {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: .82rem;
  line-height: 1.6;
  text-align: center;
  color: rgba(250, 246, 238, .82);
}
.page-products .steps { min-width: 0; }
.page-products .tab--step {
  font-family: var(--font-body);
  letter-spacing: .02em;
  background: transparent;
}
.page-products .tabpanel--step {
  background: var(--sand);
  border: 1px solid var(--line);
  min-height: 8rem;
}

/* ---------- 兼容与维护 ---------- */
.page-products .fold-group {
  display: grid;
  gap: .75rem;
  max-width: 74ch;
}
.page-products .fold {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .74);
  padding: .1rem 1rem;
}
.page-products .fold summary {
  cursor: pointer;
  padding: .95rem 0;
  font-size: .97rem;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}
.page-products .fold summary::-webkit-details-marker { display: none; }
.page-products .fold-body { padding-bottom: 1rem; }
.page-products .fold-body p {
  margin: 0;
  font-size: .93rem;
  color: rgba(30, 27, 24, .78);
}

/* ---------- 记录与指南 ---------- */
.page-products .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}
.page-products .route-item a {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.1rem 1.15rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  background: rgba(255, 255, 255, .68);
  border: 1px solid var(--line-soft);
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease;
}
.page-products .route-item a:hover,
.page-products .route-item a:focus-visible {
  background: #fff;
  border-color: rgba(179, 38, 30, .4);
  transform: translateY(-2px);
}
.page-products .route-num {
  flex: 0 0 auto;
  padding-top: .1rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--red);
}
.page-products .route-body {
  display: grid;
  gap: .25rem;
}
.page-products .route-body strong {
  font-family: var(--font-display);
  font-size: 1.04rem;
  color: var(--ink);
}
.page-products .route-body span {
  font-size: .93rem;
  line-height: 1.7;
  color: rgba(30, 27, 24, .75);
}
.page-products .records-foot {
  margin-top: 1.5rem;
  font-size: .93rem;
  color: rgba(30, 27, 24, .75);
}
.page-products .records-foot a {
  color: var(--red);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 收尾 ---------- */
.page-products .band--outro {
  padding-bottom: clamp(3rem, 7vw, 5rem);
  text-align: center;
}
.page-products .outro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  color: var(--ink);
  margin: 0 0 .6rem;
}
.page-products .outro p {
  margin: 0 auto 1.5rem;
  max-width: 44ch;
  font-size: .97rem;
  color: rgba(30, 27, 24, .76);
}
.page-products .outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .ver-meta > div {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: .9rem;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-products .cap-strip {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    gap: 2.5rem;
  }
}

@media (min-width: 820px) {
  .page-products .route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    margin-bottom: 1.15rem;
  }
  .page-products .route-item:nth-child(even) {
    transform: translateY(1.15rem);
  }
}

@media (min-width: 860px) {
  .page-products .cap-grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: 3rem;
  }
}

@media (min-width: 900px) {
  .page-products .version-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: end;
    gap: 3rem;
  }
  .page-products .archive-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 3.5rem;
  }
}

@media (min-width: 920px) {
  .page-products .download-layout {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 2.75rem;
  }
}

@media (min-width: 980px) {
  .page-products .matrix-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 3.5rem;
  }
}

@media (max-width: 420px) {
  .page-products .version-facts {
    grid-template-columns: 1fr;
  }
  .page-products .download-card__scan {
    width: 62%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .route-item a,
  .page-products .tab {
    transition: none;
  }
  .page-products .route-item:nth-child(even) {
    transform: none;
  }
}