.page-products {
  --pp-ink: #2c3c58;
  --pp-radius: 2px 18px 2px 18px;
  display: block;
  background: var(--paper);
  color: var(--blue-deep);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
}

.page-products .mono {
  font-family: var(--font-mono);
}

.page-products .pp-lead {
  margin: 0;
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--pp-ink);
}

.page-products .kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-products .section {
  padding: clamp(38px, 6vw, 78px) 0;
}

.page-products .section-head {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-products .section-head__title {
  margin: 6px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--blue);
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  position: relative;
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(20px, 3vw, 34px);
  background:
    radial-gradient(900px 380px at 90% -12%, rgba(123, 77, 255, .16), transparent 62%),
    linear-gradient(180deg, #F8F6F1 0%, var(--paper) 72%);
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.2vw, 44px);
  align-items: start;
}

.page-products .pp-hero__title {
  margin: 8px 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(42px, 10vw, 88px);
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--blue);
}

.page-products .pp-hero__text {
  margin: 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--pp-ink);
}

.page-products .pp-hero__meta {
  margin: 14px 0 0;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--slate);
}

.page-products .pp-hero__meta b {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--orange);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pp-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-soft);
  overflow: hidden;
  background: linear-gradient(150deg, var(--panel-a), var(--panel-b));
  box-shadow: 16px 16px 0 -8px rgba(255, 90, 31, .32);
}

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

.page-products .pp-hero__cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--paper);
  background: rgba(11, 27, 58, .68);
  border-radius: 2px 10px 2px 10px;
}

.page-products .pp-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-products .pp-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 15px 16px;
  background: rgba(217, 226, 240, .42);
  border-left: 3px solid var(--blue);
  border-radius: var(--r-soft-sm);
}

.page-products .pp-stat--hot {
  border-left-color: var(--orange);
}

.page-products .pp-stat__k {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-products .pp-stat__v {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.15;
  color: var(--blue);
}

.page-products .pp-stat--hot .pp-stat__v {
  color: var(--orange);
}

.page-products .pp-stat__n {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--slate);
}

/* ---------- 格式标签带 ---------- */

.page-products .pp-band {
  position: relative;
  margin-top: clamp(30px, 5vw, 60px);
  padding: clamp(28px, 4.4vw, 52px) 0;
  color: var(--paper);
  background:
    radial-gradient(700px 300px at 10% 0%, rgba(123, 77, 255, .24), transparent 62%),
    linear-gradient(140deg, var(--panel-a), var(--panel-b));
}

.page-products .pp-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(244, 241, 234, .05) 0 2px, transparent 2px 9px);
}

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

.page-products .pp-band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 22px;
}

.page-products .pp-band__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.12;
  color: var(--paper);
}

.page-products .pp-band__sub {
  margin: 0;
  font-size: 14px;
  color: rgba(244, 241, 234, .66);
}

.page-products .pp-formats {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-products .pp-format {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 20px;
  background: rgba(244, 241, 234, .07);
  border: 1px solid var(--line-dark);
  border-top: 3px solid var(--slate);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-products .pp-format--csv {
  border-top-color: var(--orange);
}

.page-products .pp-format--json {
  border-top-color: var(--violet);
}

.page-products .pp-format--sheet {
  border-top-color: var(--pitch);
}

.page-products .pp-format__code {
  font-size: 11.5px;
  letter-spacing: .18em;
  color: rgba(244, 241, 234, .6);
}

.page-products .pp-format__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-format__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 234, .76);
}

.page-products .pp-format .tag {
  align-self: flex-start;
  margin-top: 2px;
}

/* ---------- 维度分册 ---------- */

.page-products .pp-dims {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-dim {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-dim__no {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-products .pp-dim__name {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 700;
  color: var(--blue);
}

.page-products .pp-dim__desc {
  margin: 0;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--pp-ink);
}

.page-products .pp-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
}

.page-products .pp-chip {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  background: rgba(217, 226, 240, .52);
  border: 1px solid var(--line);
  border-radius: var(--r-soft-sm);
}

.page-products .pp-dim__use {
  margin: 12px 0 0;
  padding-left: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  border-left: 3px solid var(--pitch);
}

/* ---------- 主场卷宗 ---------- */

.page-products .pp-venue {
  padding: clamp(38px, 6vw, 78px) 0;
  color: var(--paper);
  background:
    radial-gradient(900px 420px at 86% 6%, rgba(31, 164, 99, .2), transparent 64%),
    linear-gradient(155deg, var(--panel-a), var(--panel-b));
}

.page-products .pp-venue .section-head__title {
  color: var(--paper);
}

.page-products .pp-venue .kicker {
  color: var(--amber);
}

.page-products .pp-venue .pp-lead {
  color: rgba(244, 241, 234, .78);
}

.page-products .pp-venue__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

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

.page-products .pp-venue__item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pp-venue__item--more {
  border-bottom: none;
}

.page-products .pp-venue__no {
  display: block;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-products .pp-venue__name {
  margin: 6px 0 6px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-venue__note {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(244, 241, 234, .72);
}

.page-products .pp-venue__figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-soft);
  overflow: hidden;
  background: rgba(7, 9, 13, .42);
}

.page-products .pp-venue__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 9 / 5;
  object-fit: cover;
}

.page-products .pp-venue__figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(244, 241, 234, .66);
}

/* ---------- 区间筛选 ---------- */

.page-products .pp-range {
  border: 1px solid var(--line);
  border-radius: var(--r-soft);
  background: #fff;
  overflow: hidden;
}

.page-products .pp-ruler-scroll {
  overflow-x: auto;
  padding: 18px 16px 4px;
  background: linear-gradient(180deg, rgba(217, 226, 240, .52), rgba(244, 241, 234, 0));
}

.page-products .pp-ruler {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-products .pp-range__readout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.page-products .pp-range__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: #fff;
}

.page-products .pp-range__k {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-products .pp-range__v {
  font-size: 18px;
  font-weight: 600;
  color: var(--blue);
}

.page-products .pp-range__v--hot {
  font-size: 26px;
  color: var(--orange);
}

.page-products .pp-range__figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-soft-sm);
  overflow: hidden;
  background: var(--paper);
}

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

.page-products .pp-range__figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}

/* ---------- 文件树 + 字段表 ---------- */

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

.page-products .pp-tree {
  padding: 16px 16px 6px;
  background: rgba(217, 226, 240, .38);
  border: 1px solid var(--line);
  border-radius: var(--r-soft-sm);
}

.page-products .pp-tree__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-products .pp-tree__root,
.page-products .pp-tree__files {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-tree__root > li {
  border-bottom: 1px dashed var(--line);
}

.page-products .pp-tree__root > li:last-child {
  border-bottom: none;
}

.page-products .pp-tree summary {
  position: relative;
  padding: 11px 0 11px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--blue);
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-tree summary::marker {
  content: "";
}

.page-products .pp-tree summary::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--orange);
  border-bottom: 1.5px solid var(--orange);
  transform: translateY(-70%) rotate(-45deg);
  transition: transform .18s ease;
}

.page-products .pp-tree details[open] > summary::before {
  transform: translateY(-30%) rotate(45deg);
}

.page-products .pp-tree__files {
  margin: 0 0 10px;
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.page-products .pp-file {
  position: relative;
  padding: 4px 0 4px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--slate);
}

.page-products .pp-file::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 9px;
  height: 1px;
  background: var(--line);
}

.page-products .pp-tablewrap {
  max-height: 520px;
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-soft-sm);
}

.page-products .pp-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pp-table__cap {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--slate);
  background: rgba(217, 226, 240, .4);
}

.page-products .pp-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--paper);
  background: var(--blue);
}

.page-products .pp-table td {
  padding: 11px 14px;
  vertical-align: top;
  line-height: 1.65;
  color: var(--pp-ink);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-table tbody tr:nth-child(even) {
  background: rgba(217, 226, 240, .34);
}

.page-products .pp-table td.mono {
  font-family: var(--font-mono);
  color: var(--blue);
}

.page-products .pp-tablefig {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-soft-sm);
  overflow: hidden;
  background: var(--paper);
}

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

.page-products .pp-tablefig figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}

/* ---------- 订阅与版本 ---------- */

.page-products .pp-sub {
  padding: clamp(38px, 6vw, 78px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(217, 226, 240, .56), rgba(244, 241, 234, 0));
}

.page-products .pp-sub__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .pp-sub__col h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--blue);
}

.page-products .pp-sub__col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pp-ink);
}

.page-products .pp-sub__col p .mono {
  color: var(--orange);
  font-weight: 600;
}

.page-products .pp-list {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-products .pp-list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pp-ink);
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.page-products .pp-list .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--blue);
}

.page-products .pp-sub__figure {
  margin: 30px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-soft-sm);
  overflow: hidden;
  background: var(--paper);
}

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

.page-products .pp-sub__figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}

/* ---------- 使用场景 ---------- */

.page-products .pp-uses {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
}

.page-products .pp-use {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-soft);
}

.page-products .pp-use__no {
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--violet);
}

.page-products .pp-use h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--blue);
}

.page-products .pp-use p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-ink);
}

.page-products .pp-use a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, .45);
}

.page-products .pp-use a:hover {
  border-bottom-color: var(--orange);
}

/* ---------- 使用范围 ---------- */

.page-products .pp-license {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(217, 226, 240, .32);
}

.page-products .pp-license__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .pp-license__grid h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--blue);
}

.page-products .pp-license__grid p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-ink);
}

.page-products .pp-license__grid a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, .45);
}

.page-products .pp-license__grid a:hover {
  border-bottom-color: var(--orange);
}

/* ---------- 下一步 ---------- */

.page-products .pp-next {
  padding: clamp(36px, 5.5vw, 70px) 0 clamp(48px, 7vw, 92px);
}

.page-products .pp-next__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  color: var(--blue);
}

.page-products .pp-next__list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-products .pp-next__list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-soft-sm);
  transition: border-color .18s ease, transform .18s ease;
}

.page-products .pp-next__list a:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-products .pp-next__k {
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-products .pp-next__t {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
}

/* ---------- 响应式 ---------- */

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

  .page-products .pp-dim {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 30px;
    padding: 28px 0;
    align-items: start;
  }

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

  .page-products .pp-uses {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pp-use:nth-child(1) {
    grid-column: 1 / span 7;
  }

  .page-products .pp-use:nth-child(2) {
    grid-column: 8 / span 5;
  }

  .page-products .pp-use:nth-child(3) {
    grid-column: 1 / span 5;
  }

  .page-products .pp-use:nth-child(4) {
    grid-column: 6 / span 7;
  }

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

@media (min-width: 860px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-sub__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-products .pp-license__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (min-width: 940px) {
  .page-products .pp-hero__grid {
    grid-template-columns: 1.12fr .88fr;
    gap: clamp(32px, 4vw, 64px);
    align-items: center;
  }

  .page-products .pp-venue__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 42px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-products .pp-split {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-products .pp-tree {
    position: sticky;
    top: calc(var(--nav-h) + 18px);
  }
}

@media (min-width: 1060px) {
  .page-products .pp-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-tree summary::before,
  .page-products .pp-next__list a,
  .page-products .pp-tree details[open] > summary::before {
    transition: none;
  }

  .page-products .pp-next__list a:hover {
    transform: none;
  }
}