.page-products {
  --pf-shift-1: 32px;
  --pf-shift-2: 64px;
  position: relative;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 72px;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(138, 92, 255, 0.16), transparent 60%),
    radial-gradient(90% 70% at 10% 100%, rgba(55, 242, 224, 0.1), transparent 65%),
    var(--ink);
}

.page-products .pf-hero__glow {
  position: absolute;
  right: -18%;
  top: 8%;
  width: 70%;
  height: 70%;
  background: linear-gradient(120deg, rgba(55, 242, 224, 0.22), rgba(138, 92, 255, 0.16) 48%, rgba(255, 154, 60, 0.14));
  border-radius: 48% 42% 54% 46%;
  transform: rotate(-9deg);
  filter: blur(48px);
  pointer-events: none;
}

.page-products .pf-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .pf-hero__grid {
  display: grid;
  gap: 36px;
  margin-top: 28px;
}

.page-products .pf-hero__title {
  margin: 12px 0 0;
  font-size: clamp(2.4rem, 9vw, var(--fs-72));
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-products .pf-hero__title em {
  font-style: normal;
  font-weight: 900;
  background: linear-gradient(100deg, var(--gold), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products .pf-hero__text {
  margin-top: 20px;
  max-width: 46ch;
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pf-hero__aside {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(22, 32, 63, 0.9), rgba(14, 23, 51, 0.75));
  box-shadow: var(--shadow-sm);
}

.page-products .pf-aside__label {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-products .pf-aside__ver {
  margin: 6px 0 0;
  font-size: var(--fs-48);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-products .pf-aside__when {
  margin: 4px 0 20px;
  font-size: var(--fs-14);
  color: var(--muted);
}

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

.page-products .pf-aside__row {
  display: grid;
  grid-template-columns: 4.5em 1fr auto;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-14);
}

.page-products .pf-aside__name {
  color: var(--muted);
}

.page-products .pf-aside__track {
  display: block;
  height: 6px;
  border-radius: var(--r-pill);
  background: rgba(44, 58, 99, 0.6);
  overflow: hidden;
}

.page-products .pf-aside__fill {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
}

.page-products .pf-aside__fill--full {
  width: 100%;
  background: linear-gradient(90deg, var(--gold), #ffc061);
}

.page-products .pf-aside__fill--std {
  width: 42%;
  background: linear-gradient(90deg, var(--cyan), #7ff5e9);
}

.page-products .pf-aside__fill--lite {
  width: 12%;
  background: linear-gradient(90deg, var(--violet), #b79bff);
}

.page-products .pf-aside__size {
  color: var(--text);
  font-size: var(--fs-12);
}

.page-products .pf-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 40px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: var(--fs-14);
  color: var(--muted);
}

.page-products .pf-hero__facts .num {
  color: var(--text);
  font-weight: 700;
  margin-right: 4px;
}

/* ---------- 通用区块 ---------- */
.page-products .section {
  position: relative;
  padding: 72px 0;
}

.page-products .section-head {
  margin-bottom: 32px;
}

.page-products .section-head__title {
  margin: 10px 0 0;
  font-size: clamp(1.6rem, 5.2vw, var(--fs-48));
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-products .section-head__title strong {
  font-weight: 900;
}

.page-products .section-head__note {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-products .media {
  margin: 0 0 32px;
}

.page-products .media--wide .media__img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-products .media--square .media__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .pf-packs__media .media__img {
  aspect-ratio: 16 / 9;
}

/* ---------- 安装包 ---------- */
.page-products .pf-packs {
  background: linear-gradient(180deg, var(--ink), var(--deep) 60%, var(--ink));
}

.page-products .pf-packs__filter {
  margin-bottom: 28px;
}

.page-products .pf-packs__groups {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pf-packs__list {
  display: grid;
  gap: 20px;
}

.page-products .pf-pack {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(22, 32, 63, 0.92), rgba(7, 10, 18, 0.86));
  transition: transform 300ms var(--ease), border-color 300ms var(--ease);
}

.page-products .pf-pack:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-products .pf-pack__tag {
  position: absolute;
  top: -1px;
  right: 18px;
  padding: 6px 14px;
  border-radius: 0 0 var(--r-xs) var(--r-xs);
  background: var(--cyan);
  color: var(--ink);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products .pf-pack__tag--violet {
  background: var(--violet);
  color: var(--text);
}

.page-products .pf-pack__tag--gold {
  background: var(--gold);
  color: var(--ink);
}

.page-products .pf-pack__size {
  margin: 18px 0 0;
  font-size: var(--fs-48);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-products .pf-pack .card__title {
  margin: 6px 0 0;
  font-size: var(--fs-22);
  font-weight: 700;
}

.page-products .pf-pack .card__body {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.page-products .pf-pack__points {
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: var(--fs-14);
  color: var(--text);
}

.page-products .pf-pack__points li {
  position: relative;
  padding-left: 18px;
}

.page-products .pf-pack__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .pf-pack .btn {
  margin-top: auto;
}

.page-products .pf-pack[hidden] {
  display: none;
}

/* ---------- 版本记录 ---------- */
.page-products .pf-vers {
  background: var(--deep);
  border-top: 1px solid rgba(44, 58, 99, 0.6);
  border-bottom: 1px solid rgba(44, 58, 99, 0.6);
}

.page-products .pf-vers__layout {
  display: grid;
  gap: 28px;
}

.page-products .pf-vers__toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(7, 10, 18, 0.6);
}

.page-products .pf-vers__list {
  display: grid;
  gap: 18px;
}

.page-products .pf-ver {
  position: relative;
  padding: 22px 22px 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  border-left: 3px solid var(--jade);
  background: rgba(22, 32, 63, 0.55);
  transition: border-color 300ms var(--ease), transform 300ms var(--ease);
}

.page-products .pf-ver:hover {
  transform: translateY(-4px);
  border-color: var(--jade);
}

.page-products .pf-ver__when {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .pf-ver__no {
  margin: 10px 0 12px;
  font-size: var(--fs-32);
  font-weight: 700;
  color: var(--jade);
  letter-spacing: 0.06em;
}

.page-products .pf-ver__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--text);
  font-size: var(--fs-17);
  line-height: 1.7;
}

.page-products .pf-ver__points li {
  position: relative;
  padding-left: 20px;
}

.page-products .pf-ver__points li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--muted);
}

/* ---------- 配置对照 ---------- */
.page-products .pf-config {
  background: var(--ink);
}

.page-products .pf-config__table {
  display: grid;
  gap: 18px;
}

.page-products .pf-config__col {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(14, 23, 51, 0.9), rgba(7, 10, 18, 0.9));
}

.page-products .pf-config__col--rec {
  border-color: rgba(55, 242, 224, 0.42);
}

.page-products .pf-config__head {
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(44, 58, 99, 0.9);
}

.page-products .pf-config__tier {
  margin: 0;
  font-size: var(--fs-22);
  font-weight: 700;
}

.page-products .pf-config__col--entry .pf-config__tier {
  color: var(--gold);
}

.page-products .pf-config__col--rec .pf-config__tier {
  color: var(--cyan);
}

.page-products .pf-config__col--max .pf-config__tier {
  color: var(--violet);
}

.page-products .pf-config__fit {
  margin: 6px 0 0;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .pf-config__spec {
  margin: 16px 0 0;
  display: grid;
  gap: 10px;
}

.page-products .pf-config__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: var(--fs-14);
}

.page-products .pf-config__row dt {
  color: var(--muted);
}

.page-products .pf-config__row dd {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-products .pf-meter {
  margin-top: 20px;
  height: 8px;
  border-radius: var(--r-pill);
  background: rgba(44, 58, 99, 0.7);
  overflow: hidden;
}

.page-products .pf-meter__bar {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
}

.page-products .pf-config__col--entry .pf-meter__bar {
  width: 42%;
  background: linear-gradient(90deg, var(--gold), #ffcb84);
}

.page-products .pf-config__col--rec .pf-meter__bar {
  width: 72%;
  background: linear-gradient(90deg, var(--cyan), #8ff8ec);
}

.page-products .pf-config__col--max .pf-meter__bar {
  width: 100%;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

.page-products .pf-config__note {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 安装步骤 ---------- */
.page-products .pf-install {
  background: linear-gradient(180deg, var(--ink), var(--deep));
}

.page-products .pf-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .pf-steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 22px 0 22px 0;
}

.page-products .pf-steps__item::after {
  content: "";
  position: absolute;
  left: 27px;
  top: 62px;
  bottom: -6px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), transparent);
}

.page-products .pf-steps__item:last-child::after {
  display: none;
}

.page-products .pf-steps__no {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(22, 32, 63, 0.85);
  color: var(--cyan);
  font-size: var(--fs-17);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-products .pf-steps__title {
  margin: 6px 0 8px;
  font-size: var(--fs-22);
  font-weight: 700;
}

.page-products .pf-steps__body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

/* ---------- 问题速查 ---------- */
.page-products .pf-trouble {
  background: var(--deep);
  border-top: 1px solid rgba(44, 58, 99, 0.6);
}

.page-products .pf-trouble__list {
  display: grid;
  gap: 12px;
}

.page-products .pf-trouble__item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(7, 10, 18, 0.7);
  overflow: hidden;
}

.page-products .pf-trouble__item[open] {
  border-color: rgba(255, 77, 94, 0.4);
}

.page-products .pf-trouble__more {
  margin-top: 32px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(22, 32, 63, 0.8), rgba(7, 10, 18, 0.85));
}

.page-products .pf-trouble__more p {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
  line-height: 1.85;
}

.page-products .pf-trouble__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-products .pf-trouble__contact {
  margin-top: 18px;
  font-size: var(--fs-14);
}

.page-products .pf-trouble__contact .num {
  color: var(--text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pf-hero {
    padding: 56px 0 96px;
  }

  .page-products .section {
    padding: 96px 0;
  }

  .page-products .pf-hero__facts {
    margin-top: 56px;
  }

  .page-products .pf-config__table {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-products .pf-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 32px;
  }

  .page-products .pf-steps__item:nth-child(2)::after {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-products .pf-hero__grid {
    grid-template-columns: 5fr 4fr;
    align-items: center;
    gap: 56px;
  }

  .page-products .pf-hero__aside {
    padding: 30px;
  }

  .page-products .pf-packs__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-products .pf-packs__list > .pf-pack:nth-child(2) {
    margin-top: var(--pf-shift-1);
  }

  .page-products .pf-packs__list > .pf-pack:nth-child(3) {
    margin-top: var(--pf-shift-2);
  }

  .page-products .pf-vers__layout {
    grid-template-columns: 170px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-products .pf-vers__toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }

  .page-products .pf-config__table {
    gap: 24px;
  }

  .page-products .pf-config__col--rec {
    transform: translateY(-16px);
  }

  .page-products .pf-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 0 24px;
  }

  .page-products .pf-steps__item {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .page-products .pf-steps__item::after {
    left: 62px;
    top: 28px;
    bottom: auto;
    width: auto;
    height: 1px;
    right: -24px;
    background: linear-gradient(90deg, var(--line), transparent);
  }

  .page-products .pf-steps__item:nth-child(2)::after {
    display: block;
  }

  .page-products .pf-steps__item:last-child::after {
    display: none;
  }

  .page-products .pf-trouble__more {
    display: grid;
    grid-template-columns: 1.4fr auto;
    align-items: center;
    gap: 32px;
  }

  .page-products .pf-trouble__more p {
    grid-column: 1;
  }

  .page-products .pf-trouble__actions {
    grid-column: 2;
    grid-row: 1;
    margin-top: 0;
    justify-content: flex-end;
  }

  .page-products .pf-trouble__contact {
    grid-column: 1 / -1;
    margin-top: 8px;
  }
}
<<<END>>>