.page-products {
  --pp-gap: 18px;
  --pp-ease: var(--sf-ease);
  background: var(--sf-ink);
}

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

/* ---------- 首屏 ---------- */
.pp-hero {
  position: relative;
  padding: 34px 0 0;
  overflow: hidden;
  background:
    radial-gradient(900px 460px at 90% -12%, rgba(198, 255, 61, .10), transparent 64%),
    radial-gradient(680px 400px at 2% 6%, rgba(111, 216, 255, .08), transparent 62%);
}

.pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sf-line) 18%, var(--sf-line) 82%, transparent);
}

.pp-hero__kicker {
  margin-top: 16px;
}

.pp-hero__title {
  margin: 10px 0 0;
  max-width: 22ch;
  color: var(--sf-white);
}

.pp-hero__lead {
  margin: 16px 0 0;
  max-width: 64ch;
  color: var(--sf-text);
}

.pp-quick {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
}

.pp-quick li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.pp-quick b {
  font-family: var(--sf-font-mono);
  font-size: 24px;
  line-height: 1;
  font-weight: 700;
  color: var(--sf-neon);
  letter-spacing: .01em;
}

.pp-quick span {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sf-mist);
}

/* ---------- 版本卡 ---------- */
.pp-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: 32px;
  padding-bottom: 8px;
}

.pp-vcard {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
  background: linear-gradient(180deg, var(--sf-panel) 0%, #10161F 100%);
  border: 1px solid var(--sf-line);
  transition: transform .2s var(--pp-ease), border-color .2s var(--pp-ease), box-shadow .2s var(--pp-ease);
}

.pp-vcard::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--sf-neon), var(--sf-ice) 58%, transparent 100%);
}

.pp-vcard:hover,
.pp-vcard:focus-within {
  transform: translateY(-4px);
  border-color: var(--sf-neon);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .5);
}

.pp-vcard__ver {
  margin: 4px 0 0;
  font-family: var(--sf-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sf-ice);
}

.pp-vcard__name {
  margin: 0;
  color: var(--sf-white);
}

.pp-vcard__for {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sf-mist);
}

.pp-vcard__feats {
  list-style: none;
  margin: 4px 0 6px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.pp-vcard__feats li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  font-size: 13.5px;
  color: var(--sf-text);
  border-bottom: 1px dashed rgba(38, 49, 60, .9);
}

.pp-vcard__feats li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.pp-meter {
  display: inline-flex;
  gap: 3px;
  flex: none;
}

.pp-meter > i {
  width: 9px;
  height: 4px;
  background: var(--sf-line);
}

.pp-meter[data-lv="2"] > i:nth-child(-n+2),
.pp-meter[data-lv="3"] > i:nth-child(-n+3),
.pp-meter[data-lv="4"] > i:nth-child(-n+4) {
  background: var(--sf-neon);
}

.pp-dl {
  position: relative;
  overflow: hidden;
  margin-top: auto;
  justify-content: center;
  text-align: center;
}

.pp-dl::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 32%, rgba(255, 255, 255, .5) 48%, transparent 64%);
  transform: translateX(-130%);
  transition: transform .6s var(--pp-ease);
  pointer-events: none;
}

.pp-dl:hover::after,
.pp-dl:focus-visible::after {
  transform: translateX(130%);
}

/* ---------- 能力对照 ---------- */
.pp-lead {
  margin-top: 14px;
  max-width: 60ch;
  color: var(--sf-text);
}

.pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 16px;
}

.pp-tablescroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--sf-line);
  background: var(--sf-panel);
}

.pp-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 14px;
}

.pp-table th,
.pp-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--sf-line);
  vertical-align: top;
}

.pp-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #0F141C;
  font-family: var(--sf-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--sf-ice);
  white-space: nowrap;
}

.pp-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  min-width: 132px;
  background: #111823;
  color: var(--sf-white);
  font-weight: 700;
  white-space: nowrap;
}

.pp-table tbody td {
  color: var(--sf-text);
}

.pp-table tbody tr:last-child th,
.pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.pp-table tbody tr:hover td {
  background: rgba(198, 255, 61, .05);
}

/* ---------- 图片容器 ---------- */
.pp-mediafig {
  margin: 0;
}

.pp-mediafig img {
  width: 100%;
  border: 1px solid var(--sf-line);
  object-fit: cover;
  background: #0F141C;
  filter: saturate(.95);
}

.pp-mediafig figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sf-mist);
}

.pp-mediafig figcaption a {
  color: var(--sf-ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pp-mediafig--wide {
  margin-top: 26px;
}

.pp-mediafig--wide img {
  aspect-ratio: 3 / 2;
}

.pp-mediafig--band {
  margin: 24px 0 6px;
}

.pp-mediafig--band img {
  aspect-ratio: 2 / 1;
}

.pp-mediafig--phone img {
  aspect-ratio: 3 / 4;
}

/* ---------- 升级四件事 ---------- */
.pp-gains {
  position: relative;
}

.pp-gains__grid {
  margin-top: 26px;
}

.pp-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
  counter-reset: none;
}

.pp-fact {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(38, 49, 60, .85);
}

.pp-fact:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.pp-fact__no {
  flex: none;
  font-family: var(--sf-font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--sf-orange);
  padding-top: 5px;
}

.pp-fact h3 {
  margin: 0 0 6px;
  color: var(--sf-white);
}

.pp-fact p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--sf-text);
}

/* ---------- 安装步骤 ---------- */
.pp-steps {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.pp-step {
  border: 1px solid var(--sf-line);
  background: linear-gradient(180deg, var(--sf-panel) 0%, #10161F 100%);
  transition: border-color .2s var(--pp-ease);
}

.pp-step[open] {
  border-color: rgba(198, 255, 61, .55);
}

.pp-step summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
}

.pp-step summary::-webkit-details-marker {
  display: none;
}

.pp-step summary::after {
  content: "";
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--sf-mist);
  border-bottom: 2px solid var(--sf-mist);
  transform: rotate(45deg) translateY(-3px);
  transition: transform .25s var(--pp-ease), border-color .25s var(--pp-ease);
}

.pp-step[open] summary::after {
  transform: rotate(225deg) translateY(-2px);
  border-color: var(--sf-neon);
}

.pp-step__no {
  flex: none;
  font-family: var(--sf-font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--sf-orange);
  line-height: 1.2;
}

.pp-step__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--sf-white);
}

.pp-step__body {
  padding: 0 18px 18px 50px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--sf-text);
}

.pp-step__body p {
  margin: 0 0 10px;
}

.pp-step__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 组合建议 ---------- */
.pp-combos {
  display: grid;
  gap: 16px;
  margin-top: 6px;
}

.pp-combo {
  padding: 18px 18px 18px 20px;
  background: rgba(20, 26, 34, .82);
  border-left: 3px solid var(--sf-ice);
}

.pp-combo h3 {
  margin: 0 0 6px;
  color: var(--sf-white);
}

.pp-combo__pick {
  margin: 0 0 8px;
  font-family: var(--sf-font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--sf-neon);
}

.pp-combo p:not(.pp-combo__pick) {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--sf-text);
}

/* ---------- 自检清单 ---------- */
.pp-checks {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pp-check {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 15px 16px 15px 44px;
  position: relative;
  background: #111823;
  border: 1px solid var(--sf-line);
}

.pp-check::before {
  content: "//";
  position: absolute;
  left: 16px;
  top: 15px;
  font-family: var(--sf-font-mono);
  font-size: 13px;
  letter-spacing: -1px;
  color: var(--sf-neon);
}

.pp-check__t {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--sf-white);
}

.pp-check__d {
  font-size: 14px;
  line-height: 1.72;
  color: var(--sf-text);
}

.pp-trouble__more {
  margin: 24px 0 0;
  padding: 16px 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--sf-text);
  background: var(--sf-ice-deep);
  border-left: 3px solid var(--sf-ice);
}

.pp-trouble__more a {
  color: var(--sf-ice);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 版本更新 ---------- */
.pp-release__grid {
  margin-top: 24px;
}

.pp-release__rows {
  display: grid;
  gap: 16px;
}

.pp-release__row {
  padding: 18px;
  background: rgba(20, 26, 34, .8);
  border: 1px solid var(--sf-line);
  border-top: 3px solid var(--sf-orange);
}

.pp-release__code {
  margin: 0 0 8px;
  font-family: var(--sf-font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--sf-ice);
}

.pp-release__row h3 {
  margin: 0 0 8px;
  color: var(--sf-white);
}

.pp-release__row p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--sf-text);
}

/* ---------- 结尾 ---------- */
.pp-cta__box {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 26px 22px;
  background:
    linear-gradient(115deg, rgba(198, 255, 61, .10), transparent 52%),
    linear-gradient(180deg, var(--sf-panel), #0E141C);
  border: 1px solid var(--sf-line);
}

.pp-cta__text h2 {
  margin: 0 0 8px;
  color: var(--sf-white);
}

.pp-cta__text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--sf-text);
}

.pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pp-cta__actions .sf-btn {
  flex: 1 1 140px;
  justify-content: center;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .pp-hero {
    padding-top: 48px;
  }

  .pp-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .pp-combos {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pp-cta__box {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 30px 32px;
  }

  .pp-cta__text {
    max-width: 60ch;
  }

  .pp-cta__actions {
    flex: none;
  }

  .pp-step__body {
    padding-left: 52px;
  }
}

@media (min-width: 1024px) {
  .pp-hero {
    padding-top: 60px;
  }

  .pp-hero__title {
    font-size: clamp(38px, 4.4vw, 58px);
  }

  .pp-quick {
    gap: 18px 44px;
  }

  .pp-quick b {
    font-size: 28px;
  }

  .pp-cards {
    margin-top: 40px;
  }

  .pp-facts {
    gap: 26px;
  }

  .pp-tablescroll {
    border-color: rgba(38, 49, 60, .9);
  }
}

@media (min-width: 1200px) {
  .pp-gains__grid,
  .pp-release__grid {
    align-items: start;
  }
}