.page-products {
  --pp-hair: rgba(140, 160, 220, .20);
  --pp-hair-strong: rgba(140, 160, 220, .42);
  --pp-card: linear-gradient(158deg, rgba(21, 28, 58, .92), rgba(12, 18, 38, .88));
  --pp-cyan-t: rgba(33, 212, 232, .40);
  --pp-neb-t: rgba(107, 77, 255, .42);
  --pp-mint-t: rgba(127, 245, 208, .36);
  --pp-gold-t: rgba(255, 194, 75, .40);
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(900px 520px at 86% -6%, rgba(107, 77, 255, .16), transparent 64%),
    radial-gradient(760px 460px at 4% 22%, rgba(33, 212, 232, .08), transparent 62%);
}

/* ---------- 通用块 ---------- */
.page-products .pp-sec-head {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-bottom: clamp(24px, 3.2vw, 40px);
}

.page-products .pp-frame {
  margin: 0;
  border-radius: var(--r-panel);
  border: 1px solid var(--pp-hair);
  background: var(--panel-800);
  overflow: hidden;
}

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

.page-products .pp-figure__cap {
  margin: 0;
  padding: 12px 18px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--pp-hair);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-block: clamp(20px, 3vw, 40px) clamp(36px, 5vw, 68px);
}

.page-products .pp-hero__copy {
  display: grid;
  gap: 16px;
  align-content: center;
}

.page-products .pp-hero__actions {
  margin-top: 8px;
}

.page-products .pp-hero__figure {
  align-self: center;
}

/* ---------- 能力总览仪表板 ---------- */
.page-products .pp-board {
  position: relative;
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--r-panel);
  border: 1px solid var(--pp-hair);
  background:
    radial-gradient(720px 340px at 90% -24%, rgba(107, 77, 255, .22), transparent 66%),
    var(--pp-card);
}

.page-products .pp-board__head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-products .pp-board__intro {
  display: grid;
  gap: 10px;
  max-width: 600px;
}

.page-products .pp-board__stamp {
  margin: 0;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--pp-neb-t);
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .08em;
  white-space: nowrap;
}

.page-products .pp-deck {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-cap {
  position: relative;
  display: grid;
  gap: 4px;
  align-content: start;
  padding: 22px 20px 20px;
  border-radius: var(--r-card);
  border: 1px solid var(--pp-hair);
  background: rgba(5, 8, 20, .55);
  overflow: hidden;
}

.page-products .pp-cap::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--pp-tint);
  opacity: .9;
}

.page-products .pp-cap--cyan { --pp-tint: var(--cyan-400); }
.page-products .pp-cap--neb { --pp-tint: var(--nebula-500); }
.page-products .pp-cap--mint { --pp-tint: var(--mint-300); }
.page-products .pp-cap--gold { --pp-tint: var(--gold-400); }

.page-products .pp-cap__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-bottom: 10px;
  background: var(--pp-tint);
  box-shadow: 0 0 14px var(--pp-tint);
}

.page-products .pp-cap__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-products .pp-cap__num {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.05;
  font-weight: 700;
  color: var(--pp-tint);
}

.page-products .pp-cap__title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pp-cap__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--mist);
}

/* ---------- 注册四步 ---------- */
.page-products .pp-track {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-products .pp-track::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 26px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-400), var(--nebula-500) 62%, var(--gold-400));
  opacity: .5;
}

.page-products .pp-step {
  position: relative;
  padding-left: 54px;
  padding-bottom: 14px;
}

.page-products .pp-step:last-child {
  padding-bottom: 0;
}

.page-products .pp-step::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 13px;
  width: 37px;
  height: 37px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan-400);
  background: var(--deep-900);
  border: 1px solid var(--pp-cyan-t);
  box-shadow: 0 0 18px rgba(33, 212, 232, .24);
}

.page-products .pp-step > details {
  border-radius: 18px;
  border: 1px solid var(--pp-hair);
  background: rgba(21, 28, 58, .58);
  overflow: hidden;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-products .pp-step > details[open] {
  border-color: var(--pp-cyan-t);
  background: rgba(21, 28, 58, .94);
}

.page-products .pp-step__sum {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 14px 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pp-step__sum::-webkit-details-marker {
  display: none;
}

.page-products .pp-step__name {
  margin-right: auto;
}

.page-products .pp-step__sum::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan-400);
}

.page-products .pp-step > details[open] .pp-step__sum::after {
  content: "\2212";
  color: var(--gold-400);
}

.page-products .pp-step__time {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-products .pp-step__body {
  display: grid;
  gap: 10px;
  padding: 14px 18px 17px;
  border-top: 1px solid var(--pp-hair);
}

.page-products .pp-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pp-reg__figure {
  align-self: start;
}

/* ---------- 收藏体系 ---------- */
.page-products .pp-save__figure {
  align-self: start;
}

.page-products .pp-save__body {
  display: grid;
  gap: 16px;
  align-content: start;
}

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

.page-products .pp-scheme {
  padding: 16px 18px;
  border-radius: var(--r-card);
  border: 1px solid var(--pp-hair);
  border-left: 3px solid var(--cyan-400);
  background: rgba(21, 28, 58, .55);
}

.page-products .pp-scheme:nth-child(2) {
  border-left-color: var(--nebula-500);
}

.page-products .pp-scheme:nth-child(3) {
  border-left-color: var(--gold-400);
}

.page-products .pp-scheme__name {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pp-scheme__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 导出格式 ---------- */
.page-products .pp-export__figure {
  align-self: start;
}

.page-products .pp-formats {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .pp-fmt {
  border-radius: 16px;
  border: 1px solid var(--pp-hair);
  background: rgba(21, 28, 58, .58);
  overflow: hidden;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-products .pp-fmt[open] {
  border-color: var(--pp-gold-t);
  background: rgba(21, 28, 58, .94);
}

.page-products .pp-fmt__sum {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
}

.page-products .pp-fmt__sum::-webkit-details-marker {
  display: none;
}

.page-products .pp-fmt__tag {
  flex: none;
  min-width: 82px;
  text-align: center;
  padding: 5px 10px;
  border-radius: var(--r-pill);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-400);
  background: rgba(33, 212, 232, .10);
  border: 1px solid var(--pp-cyan-t);
}

.page-products .pp-fmt[open] .pp-fmt__tag {
  color: var(--gold-400);
  background: rgba(255, 194, 75, .12);
  border-color: var(--pp-gold-t);
}

.page-products .pp-fmt__use {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}

.page-products .pp-fmt__body {
  padding: 0 16px 15px;
}

.page-products .pp-fmt__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 适配与性能 ---------- */
.page-products .pp-fit__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--r-card);
  border: 1px solid var(--pp-hair);
  background: var(--pp-hair);
  overflow: hidden;
}

.page-products .pp-fit__row {
  display: grid;
  gap: 5px;
  padding: 15px 18px;
  background: rgba(12, 18, 38, .92);
}

.page-products .pp-fit__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cyan-400);
}

.page-products .pp-fit__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pp-fit__val strong {
  color: var(--ink);
  font-weight: 600;
}

.page-products .pp-fit__figure {
  align-self: start;
}

/* ---------- 版本迭代 ---------- */
.page-products .pp-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-vnode {
  position: relative;
  padding: 24px 22px;
  border-radius: var(--r-card);
  border: 1px solid var(--pp-hair);
  background: linear-gradient(170deg, rgba(21, 28, 58, .86), rgba(5, 8, 20, .72));
  overflow: hidden;
}

.page-products .pp-vnode::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pp-bar);
}

.page-products .pp-vnode--a { --pp-bar: linear-gradient(90deg, var(--cyan-400), var(--nebula-500)); }
.page-products .pp-vnode--b { --pp-bar: linear-gradient(90deg, var(--nebula-500), var(--gold-400)); }

.page-products .pp-vnode__ver {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-products .pp-vnode__name {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-vnode__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 560px;
}

.page-products .pp-ver__note {
  margin: 18px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--pp-gold-t);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 720px;
}

/* ---------- 常见组合场景 ---------- */
.page-products .pp-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-scene-card {
  display: grid;
  gap: 11px;
  align-content: start;
  padding: 24px 22px 22px;
  border-radius: var(--r-panel);
  border: 1px solid var(--pp-hair);
  background: var(--pp-card);
}

.page-products .pp-scene-card__name {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-scene-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 收束 ---------- */
.page-products .pp-next__panel {
  display: grid;
  gap: 16px;
  padding: clamp(28px, 4vw, 52px);
  border-radius: var(--r-panel);
  border: 1px solid var(--pp-neb-t);
  background:
    radial-gradient(640px 320px at 10% 0%, rgba(107, 77, 255, .26), transparent 68%),
    radial-gradient(520px 300px at 94% 104%, rgba(33, 212, 232, .16), transparent 66%),
    var(--panel-800);
}

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

  .page-products .pp-fit__row {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-products .pp-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pp-deck {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-products .pp-step {
    padding-left: 44px;
  }

  .page-products .pp-step::before {
    width: 30px;
    height: 30px;
    font-size: 11px;
    top: 16px;
  }

  .page-products .pp-track::before {
    left: 15px;
  }

  .page-products .pp-fmt__sum {
    flex-wrap: wrap;
    gap: 8px;
  }
}