.page-privacy {
  --pp-rule: rgba(42, 31, 23, .16);
  --pp-rule-soft: rgba(42, 31, 23, .08);
  --pp-faint: rgba(42, 31, 23, .04);
  --pp-body: rgba(42, 31, 23, .84);
  background: var(--cream);
  color: var(--brown);
}

/* ---------- 首屏 ---------- */
.pp-hero {
  position: relative;
  background: var(--ink);
  color: var(--cream);
  padding: 26px 0 78px;
  overflow: hidden;
}

.pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(108deg, var(--ink-2) 0 38%, rgba(20, 48, 41, 0) 38.4%);
  pointer-events: none;
}

.pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 40px;
  background: var(--cream);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.pp-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.pp-crumb {
  margin-bottom: 24px;
}

.pp-crumb .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .06em;
}

.pp-crumb .breadcrumb__item {
  color: var(--mist);
}

.pp-crumb .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin: 0 10px;
  color: rgba(143, 167, 158, .45);
}

.pp-crumb .breadcrumb__item a {
  color: var(--mist);
  text-decoration: none;
}

.pp-crumb .breadcrumb__item a:hover {
  color: var(--cyan);
}

.pp-kicker {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .28em;
  color: var(--cyan);
}

.pp-hero__title {
  margin: 0 0 18px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.85rem, 4.4vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -.022em;
  color: var(--cream);
}

.pp-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 237, 226, .76);
}

.pp-hero__art {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.pp-hero__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 文档主区 ---------- */
.pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 38px;
  margin-top: 52px;
  padding-bottom: 96px;
}

.pp-rail__inner {
  padding-top: 4px;
}

.pp-rail__label {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pp-rule);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .3em;
  color: rgba(42, 31, 23, .5);
}

.pp-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pp-toc;
}

.pp-rail__list li {
  counter-increment: pp-toc;
  border-bottom: 1px solid var(--pp-rule-soft);
}

.pp-rail__list a {
  position: relative;
  display: block;
  padding: 10px 4px 10px 30px;
  font-size: 13.5px;
  line-height: 1.5;
  color: rgba(42, 31, 23, .72);
  text-decoration: none;
  transition: color .18s ease, padding-left .18s ease;
}

.pp-rail__list a::before {
  content: counter(pp-toc, decimal-leading-zero);
  position: absolute;
  left: 4px;
  top: 12px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--orange);
}

.pp-rail__list a:hover {
  color: var(--brown);
  padding-left: 34px;
}

.pp-doc {
  min-width: 0;
}

.pp-chapter {
  padding-bottom: 46px;
  margin-bottom: 46px;
  border-bottom: 1px solid var(--pp-rule-soft);
  scroll-margin-top: 96px;
}

.pp-chapter:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.pp-chapter__title {
  position: relative;
  margin: 0 0 20px;
  padding-left: 26px;
  font-family: var(--sans);
  font-size: clamp(1.28rem, 2.3vw, 1.62rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -.012em;
  color: var(--brown);
}

.pp-chapter__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .16em;
  width: 4px;
  height: 1.06em;
  background: var(--orange);
}

.pp-num {
  margin-right: .55em;
  font-family: var(--mono);
  font-size: .7em;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--orange);
  vertical-align: .06em;
}

.pp-chapter > p {
  margin: 0 0 16px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pp-body);
}

/* ---------- 采集场景卡 ---------- */
.pp-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.pp-scene {
  padding: 18px;
  background: rgba(255, 255, 255, .62);
  border: 1px solid var(--pp-rule-soft);
  border-top: 2px solid var(--ink);
}

.pp-scene__title {
  margin: 0 0 13px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--brown);
}

.pp-scene__rows {
  display: grid;
  gap: 7px;
  margin: 0 0 11px;
  padding: 0;
  list-style: none;
}

.pp-scene__rows li {
  display: flex;
  gap: 10px;
  font-size: 13px;
  line-height: 1.62;
}

.pp-scene__k {
  flex: 0 0 34px;
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--orange);
}

.pp-scene__v {
  color: rgba(42, 31, 23, .8);
}

.pp-scene__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.68;
  color: rgba(42, 31, 23, .58);
}

/* ---------- 保存期限 ---------- */
.pp-terms {
  margin: 22px 0 20px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-rule-soft);
}

.pp-terms li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--pp-rule-soft);
}

.pp-terms__t {
  font-size: 14px;
  font-weight: 600;
  color: var(--brown);
}

.pp-terms__d {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .01em;
  color: var(--ink-2);
}

/* ---------- 简列表 ---------- */
.pp-plain {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.pp-plain li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pp-body);
}

.pp-plain li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 18px;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 权利操作卡 ---------- */
.pp-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 24px 0 26px;
  padding: 0;
  list-style: none;
}

.pp-action {
  padding: 18px 18px 16px;
  background: rgba(255, 255, 255, .62);
  border: 1px solid var(--pp-rule-soft);
  border-left: 3px solid var(--cyan);
}

.pp-action__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--orange);
}

.pp-action__title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 800;
  color: var(--brown);
}

.pp-action p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(42, 31, 23, .74);
}

/* ---------- 统一入口面板 ---------- */
.pp-channel {
  position: relative;
  margin-top: 26px;
  padding: 24px;
  background: var(--ink);
  color: var(--cream);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.pp-channel__label {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--cyan);
}

.pp-channel__mail {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: clamp(.92rem, 2.5vw, 1.22rem);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--cream);
  word-break: break-all;
}

.pp-channel__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: rgba(243, 237, 226, .72);
}

/* ---------- 双栏说明 ---------- */
.pp-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 24px 0 20px;
}

.pp-split__col {
  padding: 20px;
  background: rgba(255, 255, 255, .55);
  border: 1px solid var(--pp-rule-soft);
}

.pp-split__title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 800;
  color: var(--brown);
}

.pp-split__col p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(42, 31, 23, .76);
}

/* ---------- 小标题与页脚链接 ---------- */
.pp-sub {
  margin: 30px 0 12px;
  padding-left: 14px;
  border-left: 2px solid var(--pp-rule);
  font-size: 15px;
  font-weight: 800;
  color: var(--brown);
}

.pp-footlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--pp-rule-soft);
}

.pp-footlinks a {
  padding-bottom: 2px;
  font-size: 13.5px;
  color: var(--brown);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  transition: color .18s ease;
}

.pp-footlinks a:hover {
  color: var(--orange);
}

.pp-back {
  display: inline-block;
  margin-top: 26px;
  padding-bottom: 3px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: rgba(42, 31, 23, .55);
  text-decoration: none;
  border-bottom: 1px solid var(--pp-rule);
  transition: color .18s ease, border-color .18s ease;
}

.pp-back:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .pp-scenes,
  .pp-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .pp-hero {
    padding: 30px 0 92px;
  }

  .pp-hero__grid {
    grid-template-columns: minmax(0, 1fr) 336px;
    gap: 52px;
    align-items: end;
  }

  .pp-hero__art {
    aspect-ratio: 1 / 1;
  }
}

@media (min-width: 980px) {
  .pp-layout {
    grid-template-columns: minmax(0, 1fr) 262px;
    gap: 76px;
    margin-top: 72px;
  }

  .pp-rail {
    order: 2;
  }

  .pp-doc {
    order: 1;
  }

  .pp-rail__inner {
    position: sticky;
    top: 92px;
  }
}

@media (max-width: 520px) {
  .pp-chapter__title {
    padding-left: 20px;
  }

  .pp-scene,
  .pp-action,
  .pp-split__col {
    padding: 15px;
  }

  .pp-channel {
    padding: 20px 18px;
  }
}