.page-products {
  --pp-gap: clamp(1.15rem, 3.4vw, 2rem);
  --pp-line: 1px solid rgba(47, 91, 140, 0.42);
  --pp-hair: 1px solid rgba(47, 91, 140, 0.24);
  --pp-panel-bg: linear-gradient(172deg, rgba(28, 58, 99, 0.72), rgba(11, 27, 51, 0.94));
  --pp-radius: var(--r-lg);
}

/* ============ 首屏 ============ */
.page-products .prod-hero {
  padding-top: clamp(1.2rem, 3.2vw, 2.2rem);
}

.page-products .prod-hero__intro {
  max-width: 46rem;
}

.page-products .prod-hero__intro h1 {
  margin: 0.65rem 0 0;
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.4vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--snow);
}

.page-products .prod-hero__lead {
  margin: 1rem 0 0;
  max-width: 38em;
  font-size: clamp(0.97rem, 2.4vw, 1.07rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-products .prod-hero__grid {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(1.5rem, 4vw, 2.6rem);
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(280px, 350px) minmax(0, 1fr);
    align-items: start;
  }
}

/* 版本面板 */
.page-products .prod-panel {
  border: var(--pp-line);
  border-radius: var(--pp-radius);
  background: var(--pp-panel-bg);
  padding: clamp(1.15rem, 3vw, 1.65rem);
  box-shadow: var(--shadow);
}

@media (min-width: 900px) {
  .page-products .prod-panel {
    position: sticky;
    top: 1.4rem;
  }
}

.page-products .prod-panel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.9rem;
  border-bottom: var(--pp-hair);
}

.page-products .prod-panel__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2.3rem, 8vw, 3rem);
  line-height: 1;
  color: var(--snow);
  letter-spacing: -0.02em;
}

.page-products .prod-panel__note {
  margin: 0.95rem 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .prod-panel__specs {
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .prod-panel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed rgba(47, 91, 140, 0.32);
}

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

.page-products .prod-panel__row dt {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .prod-panel__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--snow);
  text-align: right;
}

.page-products .prod-panel__acts {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-products .prod-panel__acts .btn {
  flex: 1 1 auto;
  text-align: center;
}

/* 首屏图片 */
.page-products .prod-hero__shot {
  border: var(--pp-line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--night-1);
}

.page-products .prod-hero__shot img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ============ 通用媒体容器内的图片 ============ */
.page-products .media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ============ 安装步骤 ============ */
.page-products .prod-install__grid {
  display: grid;
  gap: var(--pp-gap);
}

@media (min-width: 980px) {
  .page-products .prod-install__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
  counter-reset: step;
}

.page-products .step {
  position: relative;
  border: var(--pp-hair);
  border-radius: var(--r-md);
  background: rgba(18, 41, 74, 0.5);
  padding: 1.05rem 1.15rem 1.05rem 3.6rem;
}

.page-products .step__no {
  position: absolute;
  left: 1.1rem;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--night);
  background: var(--amber);
  border-radius: var(--pill);
  width: 1.85rem;
  height: 1.85rem;
  display: grid;
  place-items: center;
}

.page-products .step__title {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
  color: var(--snow);
}

.page-products .step__text {
  margin: 0.45rem 0 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-products .prod-install__shot {
  border: var(--pp-line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--night-1);
}

/* ============ 功能清单 ============ */
.page-products .prod-features__grid {
  display: grid;
  gap: var(--pp-gap);
}

@media (min-width: 980px) {
  .page-products .prod-features__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-products .feats {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 620px) {
  .page-products .feats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .feat:first-child {
    grid-column: 1 / -1;
  }
}

.page-products .feat {
  border: var(--pp-hair);
  border-radius: var(--r-md);
  background: rgba(11, 27, 51, 0.6);
  padding: 1.05rem 1.15rem;
  display: grid;
  gap: 0.4rem;
  align-content: start;
}

.page-products .feat__no {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .feat__title {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 1.03rem;
  color: var(--snow);
}

.page-products .feat__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-features__shot {
  border: var(--pp-line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--night-1);
}

/* ============ 兼容性 ============ */
.page-products .prod-compat__grid {
  display: grid;
  gap: var(--pp-gap);
}

@media (min-width: 980px) {
  .page-products .prod-compat__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-products .compat-table {
  border: var(--pp-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(18, 41, 74, 0.44);
}

.page-products .compat-table__row {
  display: grid;
  grid-template-columns: 5.4rem minmax(7rem, 1fr) minmax(0, 1.5fr);
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.85rem 1rem;
  border-bottom: var(--pp-hair);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-products .compat-table__row:last-child {
  border-bottom: 0;
}

.page-products .compat-table__row--head {
  background: rgba(47, 91, 140, 0.28);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--snow);
}

.page-products .compat-table__key {
  color: var(--muted);
}

.page-products .compat-table__row > span:nth-child(2) {
  color: var(--snow);
  font-family: var(--font-mono);
  font-size: 0.86rem;
}

.page-products .compat-table__note {
  color: var(--muted);
  font-size: 0.84rem;
}

@media (max-width: 639px) {
  .page-products .compat-table__row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
    padding: 0.85rem 1rem;
  }
  .page-products .compat-table__row--head {
    display: none;
  }
  .page-products .compat-table__key {
    font-size: 0.76rem;
    letter-spacing: 0.12em;
  }
  .page-products .compat-table__note {
    padding-top: 0.15rem;
  }
}

.page-products .prod-compat__shot {
  border: var(--pp-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--night-1);
}

/* ============ 更新日志 ============ */
.page-products .prod-log__shot {
  margin-bottom: clamp(1.2rem, 3.4vw, 1.9rem);
  border: var(--pp-line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--night-1);
}

.page-products .log-list {
  display: grid;
  gap: 0.7rem;
}

.page-products .log-item {
  border: var(--pp-hair);
  border-radius: var(--r-md);
  background: rgba(18, 41, 74, 0.42);
  overflow: hidden;
}

.page-products .log-item[data-open] {
  border-color: rgba(242, 160, 61, 0.48);
  background: rgba(28, 58, 99, 0.5);
}

.page-products .log-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1.05rem;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.page-products .log-item__ver {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--night);
  background: var(--amber);
  border-radius: var(--pill);
  padding: 0.2rem 0.68rem;
  flex: 0 0 auto;
}

.page-products .log-item[data-open] .log-item__ver {
  background: var(--amber);
}

.page-products .log-item__name {
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 1rem;
  color: var(--snow);
  flex: 1 1 auto;
}

.page-products .log-item__stage {
  flex: 0 0 auto;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  border: 1px solid rgba(47, 91, 140, 0.5);
  border-radius: var(--pill);
  padding: 0.2rem 0.6rem;
}

.page-products .log-item__trigger .fold__sign {
  flex: 0 0 auto;
  width: 0.72rem;
  height: 0.72rem;
  border-right: 2px solid var(--amber);
  border-bottom: 2px solid var(--amber);
  transform: rotate(45deg) translate(-0.15rem, -0.15rem);
  transition: transform 0.22s ease;
}

.page-products .log-item[data-open] .log-item__trigger .fold__sign {
  transform: rotate(-135deg) translate(-0.15rem, -0.15rem);
}

.page-products .log-item__panel {
  padding: 0 1.05rem 1.05rem;
  border-top: 1px solid rgba(47, 91, 140, 0.22);
  padding-top: 0.85rem;
}

.page-products .log-item__panel p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62em;
}

.page-products .prod-log__foot {
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 44em;
  border-left: 2px solid var(--amber);
  padding-left: 0.9rem;
}

/* ============ 问题速查 ============ */
.page-products .prod-help__grid {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 760px) {
  .page-products .prod-help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .hcard {
  border: var(--pp-hair);
  border-radius: var(--r-md);
  background: rgba(11, 27, 51, 0.62);
  padding: 1.15rem 1.2rem;
}

.page-products .hcard__title {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--snow);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(47, 91, 140, 0.28);
}

.page-products .hcard__text {
  margin: 0.7rem 0 0;
  font-size: 0.89rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-products .prod-help__cta {
  margin-top: clamp(1.3rem, 3.6vw, 2rem);
  border: var(--pp-line);
  border-radius: var(--r-md);
  background: var(--pp-panel-bg);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  display: grid;
  gap: 1rem;
}

@media (min-width: 860px) {
  .page-products .prod-help__cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

.page-products .prod-help__note {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 40em;
}

.page-products .prod-help__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-products .prod-help__acts .btn {
  flex: 0 0 auto;
}

/* ============ 窄屏收尾 ============ */
@media (max-width: 480px) {
  .page-products .log-item__stage {
    display: none;
  }
  .page-products .step {
    padding-left: 3.3rem;
  }
  .page-products .compat-table__row {
    padding: 0.8rem 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .log-item__trigger .fold__sign,
  .page-products .log-item__panel {
    transition: none;
  }
}
</main>