.page-products {
  --pp-gap: clamp(16px, 2vw, 28px);
  --pp-line: rgba(110, 135, 152, .42);
  --pp-line-soft: rgba(110, 135, 152, .22);
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(56px, 8vw, 110px);
  color: var(--paper);
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--pp-line);
}

.page-products .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .breadcrumb a:hover {
  color: var(--track-hi);
  border-bottom-color: var(--track-hi);
}

/* ---------- 首屏 ---------- */
.page-products .pp-intro {
  max-width: 100%;
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-products .pp-intro h1 {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.14;
  letter-spacing: .02em;
  color: var(--paper);
  max-width: 22ch;
}

.page-products .pp-lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.8;
  color: rgba(233, 245, 241, .84);
}

.page-products .pp-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-fact {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 2px solid var(--pp-line);
  background: rgba(10, 58, 43, .55);
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(233, 245, 241, .86);
}

.page-products .pp-fact b {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--score);
}

/* ---------- 速查索引表 ---------- */
.page-products .pp-index {
  margin-bottom: clamp(34px, 5vw, 62px);
  border: 2px solid var(--pp-line);
  background: var(--ink-2);
  box-shadow: var(--shadow-brut);
}

.page-products .pp-index__title {
  margin: 0;
  padding: 16px 18px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 900;
  letter-spacing: .1em;
  color: var(--paper);
  border-bottom: 2px solid var(--pp-line);
  background: linear-gradient(90deg, rgba(31, 216, 164, .14), transparent 62%);
}

.page-products .pp-index__head {
  display: none;
}

.page-products .pp-index__group {
  margin: 0;
  padding: 10px 18px;
  font-size: 12px;
  letter-spacing: .34em;
  color: var(--track);
  background: rgba(22, 50, 63, .8);
  border-bottom: 2px solid var(--pp-line);
}

.page-products .pp-index__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .pp-index__row:last-child {
  border-bottom: none;
}

.page-products .pp-index__row:hover {
  background: rgba(31, 216, 164, .06);
}

.page-products .pp-index__name {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--paper);
}

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

.page-products .pp-index__desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(233, 245, 241, .74);
}

/* ---------- 左轴 ---------- */
.page-products .pp-rail__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: .34em;
  color: var(--slate);
}

.page-products .pp-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-rail__link {
  display: block;
  padding: 7px 12px;
  border: 2px solid var(--pp-line);
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(10, 58, 43, .5);
}

.page-products .pp-rail__link:hover,
.page-products .pp-rail__link:focus-visible {
  border-color: var(--track);
  color: var(--track-hi);
}

/* ---------- 章节骨架 ---------- */
.page-products .pp-sec {
  padding-top: clamp(26px, 3.6vw, 44px);
  margin-top: clamp(26px, 3.6vw, 44px);
  border-top: 2px solid var(--pp-line);
}

.page-products .pp-sec__head {
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-products .pp-sec__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .28em;
  color: var(--score);
}

.page-products .pp-sec h2 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.22;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-products .pp-sec__note {
  margin: 0;
  max-width: 38em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pp-body {
  margin: 0 0 14px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(233, 245, 241, .84);
}

.page-products .pp-body a {
  color: var(--track);
  text-decoration: none;
  border-bottom: 1px solid var(--track);
}

.page-products .pp-body a:hover {
  color: var(--track-hi);
  border-bottom-color: var(--track-hi);
}

/* ---------- 图片 ---------- */
.page-products .pp-figure {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  border: 2px solid var(--pp-line);
  background: var(--ink-2);
  box-shadow: var(--shadow-brut);
}

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

.page-products .pp-figure figcaption {
  padding: 10px 14px;
  border-top: 2px solid var(--pp-line-soft);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .06em;
  color: var(--slate);
}

/* ---------- 可展开条目 ---------- */
.page-products .pp-details {
  border-top: 2px solid var(--pp-line);
}

.page-products .pp-detail {
  border-bottom: 2px solid var(--pp-line);
  background: var(--ink-2);
}

.page-products .pp-detail[open] {
  border-left: 4px solid var(--track);
  background: linear-gradient(90deg, rgba(31, 216, 164, .08), transparent 70%), var(--ink-2);
}

.page-products .pp-detail__summary {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "name mark"
    "hint mark";
  align-items: center;
  gap: 2px 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-detail__summary:focus-visible {
  outline: 2px solid var(--track-hi);
  outline-offset: -4px;
}

.page-products .pp-detail__name {
  grid-area: name;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .pp-detail__hint {
  grid-area: hint;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-products .pp-detail__mark {
  grid-area: mark;
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}

.page-products .pp-detail__mark::before,
.page-products .pp-detail__mark::after {
  content: "";
  position: absolute;
  background: var(--track);
}

.page-products .pp-detail__mark::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-products .pp-detail__mark::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
  transition: transform .18s ease;
}

.page-products .pp-detail[open] .pp-detail__mark::after {
  transform: scaleY(0);
}

.page-products .pp-detail__body {
  padding: 2px 16px 18px;
}

.page-products .pp-detail__body p {
  margin: 0 0 10px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(233, 245, 241, .8);
}

.page-products .pp-detail__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 项目标签 ---------- */
.page-products .pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: 0;
  list-style: none;
}

.page-products .pp-chips li {
  padding: 6px 13px;
  border: 2px solid var(--pp-line);
  background: rgba(22, 50, 63, .7);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-products .pp-chips li:nth-child(3n+1) {
  border-color: rgba(31, 216, 164, .55);
}

/* ---------- 要点列表 ---------- */
.page-products .pp-points {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--pp-line);
}

.page-products .pp-points li {
  padding: 13px 0;
  border-bottom: 1px solid var(--pp-line-soft);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(233, 245, 241, .82);
}

.page-products .pp-points a {
  color: var(--track);
  text-decoration: none;
  border-bottom: 1px solid var(--track);
}

.page-products .pp-points a:hover {
  color: var(--track-hi);
}

.page-products .pp-points__k {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--score);
}

/* ---------- 自定义排序块 ---------- */
.page-products .pp-custom {
  margin-top: clamp(20px, 2.6vw, 30px);
  padding: 18px;
  border: 2px solid var(--track);
  background: rgba(10, 58, 43, .7);
  box-shadow: var(--shadow-hot);
}

.page-products .pp-custom__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 900;
  letter-spacing: .08em;
  color: var(--track-hi);
}

.page-products .pp-custom .pp-body {
  margin-bottom: 0;
}

/* ---------- 导出步骤 ---------- */
.page-products .pp-steps {
  counter-reset: pp-step;
  display: grid;
  gap: 14px;
  margin: 0 0 clamp(22px, 3vw, 34px);
  padding: 0;
  list-style: none;
}

.page-products .pp-step {
  position: relative;
  padding: 16px 16px 16px 58px;
  border: 2px solid var(--pp-line);
  background: var(--ink-2);
}

.page-products .pp-step::before {
  counter-increment: pp-step;
  content: counter(pp-step, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--score);
}

.page-products .pp-step h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .pp-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(233, 245, 241, .78);
}

/* ---------- 导出格式切换 ---------- */
.page-products .pp-switch {
  position: relative;
  border: 2px solid var(--pp-line);
  background: rgba(22, 50, 63, .72);
}

.page-products .pp-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .pp-switch__tabs {
  display: flex;
  border-bottom: 2px solid var(--pp-line);
}

.page-products .pp-switch__tabs label {
  flex: 1 1 0;
  padding: 13px 12px;
  text-align: center;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--slate);
  cursor: pointer;
  border-right: 2px solid var(--pp-line);
  background: rgba(5, 38, 28, .5);
}

.page-products .pp-switch__tabs label:last-child {
  border-right: none;
}

.page-products .pp-switch #fmt-csv:checked ~ .pp-switch__tabs label[for="fmt-csv"],
.page-products .pp-switch #fmt-img:checked ~ .pp-switch__tabs label[for="fmt-img"] {
  color: var(--ink);
  background: var(--track);
  font-weight: 700;
}

.page-products .pp-switch #fmt-csv:focus-visible ~ .pp-switch__tabs label[for="fmt-csv"],
.page-products .pp-switch #fmt-img:focus-visible ~ .pp-switch__tabs label[for="fmt-img"] {
  outline: 2px solid var(--track-hi);
  outline-offset: -4px;
}

.page-products .pp-format {
  display: none;
  padding: 18px;
}

.page-products .pp-switch #fmt-csv:checked ~ .pp-format--csv,
.page-products .pp-switch #fmt-img:checked ~ .pp-format--img {
  display: block;
}

.page-products .pp-format__lead {
  margin: 0 0 12px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

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

.page-products .pp-format__list li {
  position: relative;
  padding: 9px 0 9px 22px;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(233, 245, 241, .8);
}

.page-products .pp-format__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 10px;
  height: 2px;
  background: var(--score);
}

/* ---------- 三端同步 ---------- */
.page-products .pp-sync {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-products .pp-sync__item {
  padding: 16px;
  border: 2px solid var(--pp-line);
  background: var(--ink-2);
}

.page-products .pp-sync__item:nth-child(2) {
  border-color: rgba(31, 216, 164, .55);
}

.page-products .pp-sync__k {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--track);
}

.page-products .pp-sync__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(233, 245, 241, .8);
}

/* ---------- 版本 ---------- */
.page-products .pp-version {
  margin-bottom: clamp(18px, 2.4vw, 26px);
  padding: 18px;
  border-left: 6px solid var(--score);
  background: rgba(255, 122, 43, .07);
}

.page-products .pp-version__big {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--score);
}

.page-products .pp-version__tag {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--score-soft);
}

.page-products .pp-version .pp-body {
  margin-bottom: 0;
}

/* ---------- 收尾 ---------- */
.page-products .pp-next {
  margin-top: clamp(30px, 4vw, 52px);
  padding: clamp(20px, 2.8vw, 32px);
  border: 2px solid var(--pp-line);
  background: var(--mist);
  box-shadow: var(--shadow-hot);
}

.page-products .pp-next__title {
  margin: 0 0 clamp(16px, 2vw, 22px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 26px);
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .pp-next__grid {
  display: grid;
  gap: 14px;
}

.page-products .pp-next__card {
  padding: 16px;
  border: 2px solid var(--pp-line-soft);
  background: rgba(5, 38, 28, .55);
}

.page-products .pp-next__card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--track-hi);
}

.page-products .pp-next__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(233, 245, 241, .82);
}

.page-products .pp-next__card a,
.page-products .pp-next__foot a {
  color: var(--track);
  text-decoration: none;
  border-bottom: 1px solid var(--track);
}

.page-products .pp-next__card a:hover,
.page-products .pp-next__foot a:hover {
  color: var(--track-hi);
  border-bottom-color: var(--track-hi);
}

.page-products .pp-next__foot {
  margin: clamp(16px, 2vw, 22px) 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-products .pp-index__head {
    display: grid;
    grid-template-columns: minmax(140px, 1.05fr) minmax(130px, .95fr) minmax(0, 2fr);
    gap: 20px;
    padding: 11px 18px;
    border-bottom: 2px solid var(--pp-line);
    font-size: 12px;
    letter-spacing: .24em;
    color: var(--slate);
  }

  .page-products .pp-index__row {
    grid-template-columns: minmax(140px, 1.05fr) minmax(130px, .95fr) minmax(0, 2fr);
    gap: 20px;
    align-items: baseline;
    padding: 14px 18px;
  }

  .page-products .pp-index__name {
    font-size: 15px;
  }

  .page-products .pp-detail__summary {
    grid-template-columns: minmax(120px, .8fr) minmax(0, 2fr) auto;
    grid-template-areas: "name hint mark";
    gap: 16px;
    padding: 16px 18px;
  }

  .page-products .pp-detail__body {
    padding: 2px 18px 20px 18px;
  }

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

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

@media (min-width: 900px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .pp-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -18px;
    width: 11px;
    height: 11px;
    border-top: 2px solid var(--score);
    border-right: 2px solid var(--score);
    transform: translateY(-50%) rotate(45deg);
  }
}

@media (min-width: 1024px) {
  .page-products .pp-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    margin-top: 16px;
  }

  .page-products .pp-rail__link {
    padding: 11px 0;
    border: none;
    border-top: 1px solid var(--pp-line-soft);
    background: none;
    font-size: 14px;
  }

  .page-products .pp-rail__link:hover {
    padding-left: 6px;
  }
}

@media (max-width: 420px) {
  .page-products .pp-fact {
    padding: 7px 11px;
    font-size: 12px;
  }

  .page-products .pp-detail__summary {
    padding: 12px 13px;
  }

  .page-products .pp-detail__body,
  .page-products .pp-format {
    padding-left: 13px;
    padding-right: 13px;
  }
}