.page-products {
  --pp-gutter: 20px;
  --pp-radius: var(--radius);
  --pp-hair: 1px solid var(--printline);
}

.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-total) + 40px);
  padding-bottom: 56px;
  background: var(--charcoal);
  color: var(--paper);
}

.page-products .pp-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-products .pp-hero__img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: .28;
  mix-blend-mode: screen;
}

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

.page-products .pp-hero .eyebrow {
  color: var(--signal);
  letter-spacing: .16em;
}

.page-products .pp-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.14;
  letter-spacing: -.01em;
  max-width: 18em;
}

.page-products .pp-hero__lead {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 239, 230, .8);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  background: rgba(244, 239, 230, .16);
  border: 1px solid rgba(244, 239, 230, .16);
}

.page-products .pp-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--ink);
}

.page-products .pp-hero__stats .stat__num {
  font-size: 28px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--amber);
}

.page-products .pp-hero__stats .stat--signal .stat__num { color: var(--signal); }
.page-products .pp-hero__stats .stat--pitch .stat__num { color: #58a37a; }
.page-products .pp-hero__stats .stat--cyan .stat__num { color: var(--cyan); }

.page-products .pp-hero__stats .stat__label {
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(244, 239, 230, .62);
}

.page-products .pp-head {
  max-width: 46em;
  margin-bottom: 28px;
}

.page-products .pp-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 40px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--charcoal);
}

.page-products .pp-head__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--stone);
}

.page-products .pp-head--dark h2 { color: var(--paper); }
.page-products .pp-head--dark .pp-head__lead { color: rgba(244, 239, 230, .74); }
.page-products .pp-head--dark .eyebrow { color: var(--signal); }

.page-products .pp-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-products .pp-filter--tight { margin-bottom: 18px; }

.page-products .pp-filter .filter-btn {
  border-radius: 999px;
  font-size: 13px;
}

/* ---------- 三档产品 ---------- */
.page-products .pp-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .pp-tier {
  position: relative;
  padding: 22px 20px 20px;
  background: #fff;
  border: var(--pp-hair);
  border-top: 4px solid var(--moss);
  box-shadow: var(--shadow-card);
}

.page-products .pp-tier--fan { border-top-color: var(--pitch); }
.page-products .pp-tier--researcher { border-top-color: var(--cyan); }
.page-products .pp-tier--institution { border-top-color: var(--signal); }

.page-products .pp-tier__name {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.35;
  color: var(--charcoal);
}

.page-products .pp-tier__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .pp-tier__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--printline);
}

.page-products .pp-tier__list li {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--charcoal);
  border-bottom: 1px dashed var(--printline);
}

.page-products .pp-tier__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 15px;
  width: 6px;
  height: 6px;
  background: var(--signal);
}

.page-products .pp-tier--fan .pp-tier__list li::before { background: var(--pitch); }
.page-products .pp-tier--researcher .pp-tier__list li::before { background: var(--cyan); }

.page-products .pp-tier__who {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .pp-tier__who span {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--paper);
  background: var(--terracotta);
}

/* ---------- 分轨 ---------- */
.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .pp-split__figure {
  margin: 0;
}

.page-products .pp-split__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(244, 239, 230, .18);
}

.page-products .pp-split__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: rgba(244, 239, 230, .58);
}

.page-products .pp-split__read {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pp-split__col {
  padding: 18px;
  background: var(--ink);
  border: 1px solid rgba(244, 239, 230, .16);
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pp-split__col--half { border-left: 3px solid var(--amber); }
.page-products .pp-split__col--full { border-left: 3px solid var(--signal); }

.page-products .pp-split__read:hover .pp-split__col {
  background: #222523;
  border-color: rgba(244, 239, 230, .3);
}

.page-products .pp-split__label {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .1em;
  color: rgba(244, 239, 230, .7);
}

.page-products .pp-split__label .num {
  font-size: 18px;
  font-weight: 700;
  color: var(--amber);
}

.page-products .pp-split__col--full .pp-split__label .num { color: var(--signal); }

.page-products .pp-split__rows {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-split__rows li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(244, 239, 230, .16);
}

.page-products .pp-split__rows li:last-child { border-bottom: 0; }

.page-products .pp-split__rows span {
  font-size: 14px;
  color: rgba(244, 239, 230, .74);
}

.page-products .pp-split__rows b {
  font-size: 18px;
  line-height: 1.2;
  color: var(--paper);
}

.page-products .pp-split__note {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 239, 230, .72);
}

/* ---------- 字段表 ---------- */
.page-products .pp-fields__frame {
  border: var(--pp-hair);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.page-products .pp-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-fieldtable {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pp-fieldtable__caption {
  padding: 14px 16px;
  text-align: left;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--stone);
  background: var(--paper);
  border-bottom: var(--pp-hair);
}

.page-products .pp-fieldtable thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 11px 16px;
  text-align: left;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--paper);
  background: var(--charcoal);
}

.page-products .pp-fieldtable tbody th,
.page-products .pp-fieldtable tbody td {
  padding: 11px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--printline);
}

.page-products .pp-fieldtable tbody th {
  font-weight: 700;
  font-size: 13.5px;
  color: var(--charcoal);
  white-space: nowrap;
}

.page-products .pp-fieldtable tbody td {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--stone);
}

.page-products .pp-fieldtable tbody tr:nth-child(even) { background: rgba(18, 18, 18, .028); }
.page-products .pp-fieldtable tbody tr:hover { background: rgba(255, 90, 31, .06); }

.page-products .pp-fieldtable .tag {
  white-space: nowrap;
  font-size: 11.5px;
}

.page-products .pp-fields__foot {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .pp-fields__foot a {
  color: var(--charcoal);
  border-bottom: 2px solid var(--signal);
}

/* ---------- 区间 ---------- */
.page-products .pp-zones__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .pp-zones__intro h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.2;
  color: var(--charcoal);
}

.page-products .pp-zones__intro p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: #2c332e;
}

.page-products .pp-zones__link {
  padding-top: 14px;
  border-top: 1px solid var(--printline);
  font-size: 14px;
}

.page-products .pp-zones__link a {
  color: var(--charcoal);
  border-bottom: 2px solid var(--pitch);
}

.page-products .pp-zones__panel {
  padding: 20px 18px;
  background: rgba(244, 239, 230, .72);
  border: var(--pp-hair);
}

.page-products .pp-scale {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  height: 54px;
  margin: 4px 0 20px;
  padding-top: 20px;
}

.page-products .pp-scale__bar {
  position: absolute;
  left: 0;
  right: 0;
  top: 26px;
  height: 6px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan) 52%, var(--signal) 52%, var(--signal) 100%);
  opacity: .45;
}

.page-products .pp-scale__cursor {
  position: absolute;
  top: 16px;
  left: 52%;
  width: 3px;
  height: 26px;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, .18);
}

.page-products .pp-scale__cursor::before {
  content: "";
  position: absolute;
  top: -5px;
  left: -5px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--signal);
}

.page-products .pp-scale__tick {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stone);
}

.page-products .pp-scale__tick i {
  display: block;
  width: 1px;
  height: 10px;
  background: var(--stone);
}

.page-products .pp-zones__list {
  display: grid;
  gap: 12px;
}

.page-products .pp-zone {
  padding: 16px 16px 14px;
  background: #fff;
  border: var(--pp-hair);
  border-left: 4px solid var(--cyan);
}

.page-products .pp-zone__name {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--charcoal);
}

.page-products .pp-zone__metric {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 0;
}

.page-products .pp-zone__num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--cyan);
}

.page-products .pp-zone__unit {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stone);
}

.page-products .pp-zone__desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .pp-zones__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 赛事包 ---------- */
.page-products .pp-packs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pp-pack {
  padding: 18px;
  background: var(--ink);
  border: 1px solid rgba(244, 239, 230, .16);
  border-bottom: 3px solid var(--pitch);
  transition: background-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-products .pp-pack:hover {
  background: #232724;
  transform: translateY(-2px);
}

.page-products .pp-pack--friendly { border-bottom-color: var(--terracotta); }

.page-products .pp-pack__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
}

.page-products .pp-pack__no {
  font-size: 22px;
  font-weight: 700;
  color: rgba(244, 239, 230, .4);
}

.page-products .pp-pack__name {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--paper);
}

.page-products .pp-pack__desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 239, 230, .68);
}

.page-products .pp-pack__meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(244, 239, 230, .16);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: rgba(244, 239, 230, .6);
}

.page-products .pp-pack__meta b {
  font-size: 14px;
  color: var(--amber);
}

.page-products .pp-packs__foot {
  margin: 24px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(244, 239, 230, .66);
}

/* ---------- 接入流程 ---------- */
.page-products .pp-access__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .pp-flow {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 2px solid var(--printline);
}

.page-products .pp-flow__step {
  position: relative;
  padding: 0 0 26px 12px;
}

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

.page-products .pp-flow__step::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--signal);
}

.page-products .pp-flow__no {
  display: block;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--signal);
}

.page-products .pp-flow__name {
  margin: 6px 0 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--charcoal);
}

.page-products .pp-flow__step p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--stone);
}

.page-products .pp-access__figure {
  margin: 0;
  padding: 18px;
  background: #fff;
  border: var(--pp-hair);
  box-shadow: var(--shadow-card);
}

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

.page-products .pp-access__figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .pp-access__support {
  margin: 14px 0 0;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--charcoal);
  background: rgba(46, 196, 182, .14);
  border-left: 3px solid var(--cyan);
}

.page-products .pp-access__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
}

/* ---------- 适用场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .pp-scenes__list {
  display: grid;
  gap: 16px;
}

.page-products .pp-scene {
  padding: 18px;
  background: var(--ink);
  border: 1px solid rgba(244, 239, 230, .16);
  border-left: 4px solid var(--moss);
}

.page-products .pp-scene:nth-child(2) { border-left-color: var(--cyan); }
.page-products .pp-scene:nth-child(3) { border-left-color: var(--amber); }

.page-products .pp-scene__name {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-scene p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244, 239, 230, .72);
}

.page-products .pp-scene__mods {
  padding-top: 12px;
  border-top: 1px dashed rgba(244, 239, 230, .18);
  font-size: 12.5px !important;
  letter-spacing: .02em;
  color: var(--amber) !important;
}

.page-products .pp-scenes__figure {
  margin: 0;
}

.page-products .pp-scenes__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(244, 239, 230, .18);
}

.page-products .pp-scenes__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(244, 239, 230, .6);
}

/* ---------- 下一步 ---------- */
.page-products .pp-next__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: 24px 20px;
  background: #fff;
  border: var(--pp-hair);
  border-left: 6px solid var(--signal);
  box-shadow: var(--shadow-card);
}

.page-products .pp-next__copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.22;
  color: var(--charcoal);
}

.page-products .pp-next__copy p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-products .pp-next__links a {
  color: var(--charcoal);
  border-bottom: 2px solid var(--pitch);
}

.page-products .pp-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products {
    --pp-gutter: 28px;
  }

  .page-products .pp-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-hero__stats .stat__num { font-size: 34px; }

  .page-products .pp-split__read {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-products .pp-next__actions { align-items: center; }
}

@media (min-width: 900px) {
  .page-products .pp-hero {
    padding-top: calc(var(--header-total) + 64px);
    padding-bottom: 76px;
  }

  .page-products .pp-hero__inner { max-width: 900px; }

  .page-products .pp-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border: var(--pp-hair);
    background: #fff;
  }

  .page-products .pp-tier {
    border: 0;
    border-right: var(--pp-hair);
    border-top: 4px solid var(--moss);
    box-shadow: none;
    padding: 26px 24px 24px;
  }

  .page-products .pp-tier:last-child { border-right: 0; }
  .page-products .pp-tier--fan { border-top-color: var(--pitch); }
  .page-products .pp-tier--researcher { border-top-color: var(--cyan); }
  .page-products .pp-tier--institution {
    border-top-color: var(--signal);
    transform: translateY(-10px);
    box-shadow: 0 18px 40px -26px rgba(18, 18, 18, .55);
    z-index: 1;
  }

  .page-products .pp-split {
    grid-template-columns: 4fr 5fr;
    align-items: start;
    gap: 32px;
  }

  .page-products .pp-zones__layout {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
  }

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

  .page-products .pp-pack:nth-child(2),
  .page-products .pp-pack:nth-child(5) {
    transform: translateY(12px);
  }

  .page-products .pp-access__layout {
    grid-template-columns: 4fr 9fr;
    gap: 40px;
    align-items: start;
  }

  .page-products .pp-scenes {
    grid-template-columns: 7fr 5fr;
    gap: 34px;
    align-items: start;
  }

  .page-products .pp-next__panel {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 32px 30px;
  }
}

@media (max-width: 719px) {
  .page-products .pp-fieldtable tbody th:first-child,
  .page-products .pp-fieldtable thead th:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--paper);
  }

  .page-products .pp-fieldtable thead th:first-child {
    background: var(--charcoal);
    z-index: 3;
  }

  .page-products .pp-zone__num { font-size: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-pack,
  .page-products .pp-split__col {
    transition: none;
  }

  .page-products .pp-pack:hover,
  .page-products .pp-tier--institution {
    transform: none;
  }
}
</main>