/* ===== 客户端下载 · 页面作用域 ===== */
.page-products {
  background: var(--paper);
  color: var(--ink);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .title-xl,
.page-products .title-lg,
.page-products .title-md {
  font-family: var(--font-serif);
  letter-spacing: .01em;
}

/* ---------- 首屏框景 ---------- */
.page-products__hero {
  position: relative;
  padding: clamp(104px, 14vw, 168px) 0 clamp(48px, 6vw, 84px);
  background:
    radial-gradient(120% 80% at 88% 0%, rgba(107, 46, 107, .13), transparent 62%),
    var(--paper);
  border-bottom: var(--line) solid var(--ink);
}

.page-products__frame {
  position: relative;
  margin-top: 22px;
  padding: clamp(22px, 3.2vw, 44px);
  background: var(--paper);
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-products__frame::before,
.page-products__frame::after {
  content: "";
  position: absolute;
  width: 52px;
  height: 52px;
  pointer-events: none;
}

.page-products__frame::before {
  top: -2px;
  left: -2px;
  border-top: 6px solid var(--gold);
  border-left: 6px solid var(--gold);
}

.page-products__frame::after {
  right: -2px;
  bottom: -2px;
  border-right: 6px solid var(--gold);
  border-bottom: 6px solid var(--gold);
}

.page-products__hero-grid {
  align-items: center;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-products__hero-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-products__hero-copy .lede {
  margin: 0;
}

.page-products__hero-note {
  margin: 0;
  max-width: 46ch;
  padding-left: 16px;
  border-left: 4px solid var(--gold);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 通用图位 ---------- */
.page-products__shot {
  margin: 0;
  background: var(--wheat);
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-products__shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products__shot figcaption {
  padding: 12px 16px;
  border-top: var(--line) solid var(--ink);
  background: var(--wheat);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 模式带 ---------- */
.page-products__modes {
  padding: clamp(56px, 7vw, 96px) 0;
  background: var(--green);
  color: var(--paper);
  border-bottom: var(--line) solid var(--ink);
}

.page-products__modes .section-head {
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-products__modes .label {
  color: var(--gold);
}

.page-products__modes .title-lg {
  color: var(--paper);
}

.page-products__modes .lede {
  color: rgba(245, 241, 232, .84);
  max-width: 62ch;
}

.page-products__table-shot {
  margin: 0 0 clamp(24px, 3vw, 36px);
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-products__table-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  perspective: 800px;
}

.page-products__tabs .tabs__tab {
  flex: 1 1 calc(50% - 5px);
  position: relative;
  padding: 16px 10px 18px;
  border: var(--line) solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transform: rotateX(5deg);
  transform-origin: bottom center;
  box-shadow: 4px 4px 0 rgba(26, 26, 26, .45);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
}

.page-products__tabs .tabs__tab:hover {
  transform: rotateX(2deg) translateY(-3px);
}

.page-products__tabs .tabs__tab[aria-selected="true"] {
  transform: rotateX(0) translateY(-8px);
  box-shadow: 0 0 0 3px var(--gold), 5px 6px 0 rgba(26, 26, 26, .5);
}

.page-products__mode-panel {
  margin-top: 28px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--paper);
  color: var(--ink);
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-products__mode-panel .title-md {
  margin: 0 0 10px;
  color: var(--ink);
}

.page-products__mode-panel > p {
  margin: 0;
  max-width: 64ch;
  color: var(--ink);
  line-height: 1.75;
}

.page-products__mode-facts {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(26, 26, 26, .16);
  display: grid;
  gap: 10px;
}

.page-products__mode-facts li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--gold);
  border: 1px solid var(--ink);
}

/* ---------- 安装四步 ---------- */
.page-products__install {
  padding: clamp(56px, 7vw, 96px) 0;
  background: var(--paper);
}

.page-products__steps {
  list-style: none;
  margin: clamp(28px, 3.4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products__step {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--paper);
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-soft);
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}

.page-products__step:hover,
.page-products__step:focus-within {
  background: var(--wheat);
  box-shadow: var(--shadow-hard);
}

.page-products__step-no {
  display: block;
  margin-bottom: 12px;
  font-size: 30px;
  line-height: 1;
  color: var(--purple);
}

.page-products__step .title-md {
  margin: 0 0 8px;
}

.page-products__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products__step-meta {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  border-bottom: 2px solid rgba(212, 160, 23, .5);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

@media (min-width: 880px) {
  .page-products__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: var(--line) solid var(--ink);
    background: var(--paper);
    box-shadow: var(--shadow-hard);
  }

  .page-products__step {
    border: 0;
    border-left: var(--line) solid var(--ink);
    box-shadow: none;
  }

  .page-products__step:first-child {
    border-left: 0;
  }

  .page-products__step:hover,
  .page-products__step:focus-within {
    box-shadow: inset 0 -6px 0 var(--gold);
  }

  .page-products__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -7px;
    width: 11px;
    height: 11px;
    border-top: 2px solid var(--gold);
    border-right: 2px solid var(--gold);
    transform: translateY(-50%) rotate(45deg);
    z-index: 2;
  }
}

/* ---------- 配置 ---------- */
.page-products__specs {
  padding: clamp(56px, 7vw, 96px) 0;
  background: var(--wheat);
  border-top: var(--line) solid var(--ink);
  border-bottom: var(--line) solid var(--ink);
}

.page-products__specs-grid {
  align-items: start;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-products__spec-switch .tabs__list {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: var(--line) solid var(--ink);
  background: var(--paper);
  box-shadow: 4px 4px 0 rgba(26, 26, 26, .5);
}

.page-products__spec-switch .tabs__tab {
  padding: 10px 18px;
  border: 0;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--muted);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-products__spec-switch .tabs__tab[aria-selected="true"] {
  background: var(--purple);
  color: var(--paper);
}

.page-products__table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products__table-wrap .score-table {
  width: 100%;
  min-width: 420px;
}

.page-products__spec-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 4px solid var(--gold);
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products__spec-shot {
  margin: 0;
  background: var(--paper);
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-products__spec-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products__spec-shot figcaption {
  padding: 12px 16px;
  border-top: var(--line) solid var(--ink);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 规则与统计同步 ---------- */
.page-products__sync {
  padding: clamp(56px, 7vw, 96px) 0;
  background: var(--green-ink);
  color: var(--paper);
}

.page-products__sync .label {
  color: var(--gold);
}

.page-products__sync .title-lg {
  color: var(--paper);
}

.page-products__sync .lede {
  color: rgba(245, 241, 232, .82);
  max-width: 62ch;
}

.page-products__sync-grid {
  margin-top: clamp(26px, 3vw, 40px);
  gap: var(--gap);
}

.page-products__sync-card {
  padding: 4px 0 4px 18px;
  border-left: 5px solid var(--gold);
}

.page-products__sync-card .title-md {
  margin: 12px 0 8px;
  color: var(--paper);
}

.page-products__sync-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(245, 241, 232, .84);
}

.page-products__sync-foot {
  margin: clamp(26px, 3vw, 40px) 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(212, 160, 23, .5);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 241, 232, .9);
}

/* ---------- 更新说明 ---------- */
.page-products__update {
  padding: clamp(56px, 7vw, 96px) 0;
  background: var(--paper);
}

.page-products__update-grid {
  align-items: center;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-products__update-copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-products__update-copy > p {
  margin: 0;
  max-width: 58ch;
  line-height: 1.78;
}

.page-products__revisions {
  margin-top: clamp(30px, 3.6vw, 46px);
  display: grid;
  gap: 10px;
}

.page-products__revisions .disclosure {
  background: var(--paper);
  border: var(--line) solid var(--ink);
  transition: box-shadow .2s var(--ease);
}

.page-products__revisions .disclosure:hover {
  box-shadow: var(--shadow-soft);
}

.page-products__revisions .disclosure__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  font-weight: 700;
}

.page-products__rev-chip {
  flex: none;
  padding: 3px 10px;
  background: var(--purple);
  color: var(--paper);
  border: var(--line) solid var(--ink);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
}

.page-products__rev-title {
  font-size: 16px;
  color: var(--ink);
}

.page-products__revisions .disclosure__body {
  padding: 16px 18px 20px;
  border-top: 1px solid rgba(26, 26, 26, .16);
}

.page-products__revisions .disclosure__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 常见问题自查 ---------- */
.page-products__trouble {
  padding: clamp(56px, 7vw, 96px) 0;
  background: var(--wheat);
  border-top: var(--line) solid var(--ink);
}

.page-products__trouble-grid {
  margin-top: clamp(24px, 3vw, 38px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products__fix {
  padding: 22px 22px 24px;
  background: var(--paper);
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard);
  transition: transform .2s var(--ease);
}

.page-products__fix:hover {
  transform: translateY(-3px);
}

.page-products__fix .title-md {
  margin: 0 0 10px;
}

.page-products__fix p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 页尾收束 ---------- */
.page-products__closing {
  background: var(--paper);
}

.page-products__closing-shot {
  margin: 0;
  border-top: var(--line) solid var(--ink);
  border-bottom: var(--line) solid var(--ink);
  overflow: hidden;
}

.page-products__closing-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products__closing-inner {
  padding-top: clamp(36px, 5vw, 64px);
  padding-bottom: clamp(48px, 6vw, 80px);
  display: grid;
  gap: 14px;
  justify-items: start;
}

.page-products__closing-inner p {
  margin: 0;
  max-width: 64ch;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products__tabs .tabs__tab {
    flex: 1 1 0;
    font-size: 20px;
  }
}

@media (min-width: 760px) {
  .page-products__trouble-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .page-products__frame {
    box-shadow: 4px 4px 0 var(--ink);
  }

  .page-products__hero-actions {
    width: 100%;
  }

  .page-products__hero-actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }

  .page-products__step-no {
    font-size: 26px;
  }

  .page-products__tabs .tabs__tab {
    padding: 14px 8px 16px;
    font-size: 17px;
  }

  .page-products__revisions .disclosure__summary {
    padding: 14px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .page-products__tabs .tabs__tab,
  .page-products__tabs .tabs__tab:hover,
  .page-products__tabs .tabs__tab[aria-selected="true"] {
    transform: none;
  }

  .page-products__fix:hover {
    transform: none;
  }
}