.page-products {
  --prod-cut: 14px;
  --prod-line: rgba(58, 107, 96, 0.55);
  --prod-panel: rgba(18, 58, 47, 0.62);
}

.page-products [id] {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--sage);
}

.page-products .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--ice-deep);
}

.page-products .crumbs a {
  color: var(--sage);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--speed), border-color var(--speed);
}

.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-products .crumbs [aria-current="page"] {
  color: var(--mist);
}

/* ---------- 框景首屏 ---------- */
.page-products .prod-hero {
  padding-top: clamp(10px, 2vw, 22px);
}

.page-products .prod-hero__frame {
  position: relative;
  padding: clamp(26px, 4.2vw, 58px) clamp(20px, 4vw, 64px) clamp(30px, 4.4vw, 54px);
  background:
    linear-gradient(180deg, rgba(18, 58, 47, 0.92), rgba(11, 42, 34, 0.94)),
    repeating-linear-gradient(0deg, var(--grid-green) 0 1px, transparent 1px 56px);
  border: 1px solid var(--prod-line);
  clip-path: polygon(
    var(--prod-cut) 0,
    100% 0,
    100% calc(100% - var(--prod-cut)),
    calc(100% - var(--prod-cut)) 100%,
    0 100%,
    0 var(--prod-cut)
  );
  overflow: hidden;
}

.page-products .prod-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ice), transparent);
  opacity: 0.85;
}

.page-products .prod-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: clamp(16px, 4vw, 52px);
  width: min(220px, 30%);
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--ice-deep) 0 1px, transparent 1px 10px);
  opacity: 0.7;
}

.page-products .prod-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.page-products .prod-hero__meta-idx {
  font-size: 13px;
  font-weight: 700;
  color: var(--ice);
  letter-spacing: 0.2em;
}

.page-products .prod-hero__title {
  margin: 0 0 0.55em;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 66px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-products .prod-hero__lede {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--sage);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: clamp(24px, 3.2vw, 40px) 0 0;
}

.page-products .prod-hero__stat {
  padding-left: 12px;
  border-left: 2px solid var(--ice-deep);
}

.page-products .prod-hero__stat dt {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-products .prod-hero__stat dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.3vw, 26px);
  font-weight: 700;
  color: var(--ice);
}

/* ---------- 章节头 ---------- */
.page-products .prod-head {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .prod-head__idx {
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--ice);
}

.page-products .prod-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.3vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-products .prod-head__note {
  margin: 4px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--sage);
}

.page-products .prod-head--slim {
  margin-bottom: clamp(14px, 2vw, 22px);
}

/* ---------- 通用切角图 ---------- */
.page-products .prod-shot {
  position: relative;
  margin: 0;
}

.page-products .prod-shot__media {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: linear-gradient(150deg, var(--pine-mid), var(--charcoal) 68%, var(--pine));
  border: 1px solid var(--prod-line);
  clip-path: polygon(
    0 0,
    calc(100% - 16px) 0,
    100% 16px,
    100% 100%,
    16px 100%,
    0 calc(100% - 16px)
  );
}

.page-products .prod-shot--tall .prod-shot__media {
  aspect-ratio: 3 / 4;
}

.page-products .prod-shot--wide .prod-shot__media {
  aspect-ratio: 16 / 10;
}

.page-products .prod-shot--band .prod-shot__media {
  aspect-ratio: 21 / 7;
}

.page-products .prod-shot__cap {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--ice-deep);
  font-size: 13px;
  line-height: 1.68;
  color: var(--sage);
}

/* ---------- 01 入口选择 ---------- */
.page-products .prod-entries {
  align-items: start;
}

.page-products .prod-entries__strip {
  display: flex;
  gap: 10px;
  padding-bottom: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--ice-deep) transparent;
}

.page-products .prod-entries__strip::-webkit-scrollbar {
  height: 6px;
}

.page-products .prod-entries__strip::-webkit-scrollbar-track {
  background: rgba(30, 48, 41, 0.7);
}

.page-products .prod-entries__strip::-webkit-scrollbar-thumb {
  background: var(--ice-deep);
}

.page-products .prod-entry {
  flex: 1 1 0;
  min-width: 168px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px 18px;
  background: linear-gradient(180deg, rgba(18, 58, 47, 0.88), rgba(11, 42, 34, 0.92));
  border: 1px solid var(--prod-line);
  border-top: 2px solid var(--ice-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: border-color var(--speed), transform var(--speed);
}

.page-products .prod-entry:hover,
.page-products .prod-entry:focus-within {
  border-color: var(--ice);
  border-top-color: var(--track);
  transform: translateY(-2px);
}

.page-products .prod-entry__os {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--ice-deep);
}

.page-products .prod-entry__name {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-products .prod-entry__size {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: var(--ice);
}

.page-products .prod-entry__desc {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--sage);
}

.page-products .prod-entry__launch {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px solid rgba(58, 107, 96, 0.35);
  font-size: 12px;
  line-height: 1.6;
  color: var(--sage);
}

.page-products .prod-entry__launch span {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ice-deep);
}

.page-products .prod-entries__figure {
  margin: 0;
}

/* ---------- 02 安装步骤 ---------- */
.page-products .prod-setup {
  align-items: start;
}

.page-products .prod-steps {
  position: relative;
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-steps::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--ice), var(--ice-deep) 60%, transparent);
  opacity: 0.45;
}

.page-products .prod-step {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
}

.page-products .prod-step__idx {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ice);
  background: rgba(127, 216, 255, 0.12);
  border: 1px solid var(--ice);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  position: relative;
  z-index: 1;
}

.page-products .prod-step__title {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--mist);
}

.page-products .prod-step__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--sage);
}

.page-products .prod-note {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--ice-deep);
}

.page-products .prod-note__sum {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-products .prod-note__sum::-webkit-details-marker {
  display: none;
}

.page-products .prod-note__sum::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  line-height: 1;
  border: 1px solid currentColor;
  font-size: 12px;
  transition: transform var(--speed);
}

.page-products .prod-note[open] .prod-note__sum::before {
  content: "−";
}

.page-products .prod-note__body p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--sage);
}

.page-products .prod-setup__figure {
  margin: 0;
}

/* ---------- 03 大屏模式 ---------- */
.page-products .prod-bigscreen {
  align-items: start;
}

.page-products .prod-bigscreen__figure {
  margin: 0;
}

.page-products .prod-spec {
  display: grid;
  gap: 10px;
}

.page-products .prod-spec__item {
  padding: 13px 15px;
  background: var(--prod-panel);
  border-left: 2px solid var(--ice-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-products .prod-spec__k {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ice);
}

.page-products .prod-spec__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
}

.page-products .prod-spec__v b {
  font-weight: 700;
  color: var(--mist);
}

/* ---------- 04 收藏同步 ---------- */
.page-products .prod-sync {
  align-items: center;
}

.page-products .prod-sync-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-sync-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(58, 107, 96, 0.32);
}

.page-products .prod-sync-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .prod-sync-item__num {
  font-size: clamp(19px, 2.4vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ice);
}

.page-products .prod-sync-item__txt {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--sage);
}

.page-products .prod-sync__figure {
  margin: 0;
}

/* ---------- 05 版本迭代 ---------- */
.page-products .prod-vers {
  display: flex;
  gap: 12px;
  padding: 20px 2px 16px;
  overflow-x: auto;
  border-top: 1px solid var(--prod-line);
  border-bottom: 1px solid var(--prod-line);
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--ice-deep) transparent;
}

.page-products .prod-vers::-webkit-scrollbar {
  height: 6px;
}

.page-products .prod-vers::-webkit-scrollbar-track {
  background: rgba(30, 48, 41, 0.7);
}

.page-products .prod-vers::-webkit-scrollbar-thumb {
  background: var(--ice-deep);
}

.page-products .prod-ver {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  padding: 16px 16px 18px;
  background: linear-gradient(160deg, rgba(30, 48, 41, 0.92), rgba(11, 42, 34, 0.96));
  border: 1px solid var(--prod-line);
  border-top: 2px solid var(--ice-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-products .prod-ver__tag {
  margin: 0 0 6px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ice-deep);
}

.page-products .prod-ver__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  color: var(--ice);
}

.page-products .prod-ver__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--sage);
}

.page-products .prod-vers__figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

/* ---------- 06 要求清单 ---------- */
.page-products .prod-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--prod-line);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  scrollbar-width: thin;
  scrollbar-color: var(--ice-deep) transparent;
}

.page-products .prod-tablewrap::-webkit-scrollbar {
  height: 6px;
}

.page-products .prod-tablewrap::-webkit-scrollbar-thumb {
  background: var(--ice-deep);
}

.page-products .prod-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(58, 107, 96, 0.3);
  white-space: nowrap;
}

.page-products .prod-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ice);
  background: rgba(30, 48, 41, 0.8);
  border-bottom: 1px solid var(--ice-deep);
}

.page-products .prod-table tbody th {
  font-weight: 700;
  color: var(--mist);
}

.page-products .prod-table tbody td {
  color: var(--sage);
}

.page-products .prod-table tbody tr:hover td,
.page-products .prod-table tbody tr:hover th {
  background: rgba(127, 216, 255, 0.05);
  color: var(--mist);
}

.page-products .prod-table .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ice);
}

.page-products .prod-trouble {
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-products .prod-trouble__title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 900;
  color: var(--mist);
}

.page-products .prod-trouble__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-trouble__item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  background: linear-gradient(120deg, rgba(18, 58, 47, 0.7), rgba(11, 42, 34, 0.4));
  border-left: 2px solid var(--ice-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-products .prod-trouble__mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font-size: 12px;
  font-weight: 700;
  color: var(--pine);
  background: var(--ice-deep);
}

.page-products .prod-trouble__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
}

/* ---------- 07 下一步 ---------- */
.page-products .prod-next {
  display: grid;
  gap: 10px;
}

.page-products .prod-next__card {
  display: block;
  padding: 16px 18px;
  text-decoration: none;
  background: linear-gradient(120deg, rgba(18, 58, 47, 0.78), rgba(11, 42, 34, 0.5));
  border: 1px solid var(--prod-line);
  border-left: 3px solid var(--ice-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: border-color var(--speed), transform var(--speed), background var(--speed);
}

.page-products .prod-next__card:hover,
.page-products .prod-next__card:focus-visible {
  border-color: var(--ice);
  border-left-color: var(--track);
  transform: translateX(3px);
}

.page-products .prod-next__k {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ice-deep);
}

.page-products .prod-next__t {
  margin: 0;
  font-size: 15px;
  line-height: 1.68;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-entries__strip {
    padding-bottom: 6px;
  }

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

@media (max-width: 899px) {
  .page-products .prod-entries__strip {
    padding-bottom: 14px;
  }

  .page-products .prod-sync__figure,
  .page-products .prod-bigscreen__figure,
  .page-products .prod-setup__figure,
  .page-products .prod-entries__figure {
    margin-top: clamp(20px, 4vw, 32px);
  }
}

@media (max-width: 520px) {
  .page-products .prod-hero__frame {
    padding-left: 18px;
    padding-right: 18px;
  }

  .page-products .prod-step {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
  }

  .page-products .prod-step__idx {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }

  .page-products .prod-steps::before {
    left: 14px;
  }

  .page-products .prod-sync-item {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-entry,
  .page-products .prod-next__card,
  .page-products .prod-note__sum::before {
    transition: none;
  }

  .page-products .prod-entry:hover,
  .page-products .prod-entry:focus-within,
  .page-products .prod-next__card:hover,
  .page-products .prod-next__card:focus-visible {
    transform: none;
  }
}