.page-privacy {
  --pp-rule: rgba(16, 26, 22, 0.14);
  --pp-mute: #46655A;
  --pp-body: #223B31;
  --pp-num-w: 72px;
  background: var(--paper);
  color: var(--ink-black);
  padding-bottom: 84px;
}

.page-privacy .crumb {
  padding-top: 30px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pp-mute);
}

.page-privacy .crumb a {
  color: var(--pp-mute);
  text-decoration: none;
}

.page-privacy .crumb a:hover {
  color: var(--ink-deep);
}

/* ---------- 首屏 ---------- */

.pp-hero {
  padding-top: 30px;
}

.pp-hero .index-label {
  color: var(--pp-mute);
}

.pp-title {
  margin: 16px 0 0;
  max-width: 21ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink-deep);
}

.pp-lead {
  margin: 24px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--pp-body);
}

/* ---------- 通栏氛围图 ---------- */

.pp-figure {
  margin: 42px 0 0;
}

.pp-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  background: var(--ink-hull);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), calc(100% - 40px) 100%, 0 100%);
}

.pp-figure figcaption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--pp-mute);
}

/* ---------- 章节跳转条 ---------- */

.pp-jump {
  margin-top: 46px;
  border-top: 1px solid var(--pp-rule);
  border-bottom: 1px solid var(--pp-rule);
}

.pp-jump__track {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.pp-jump__track::-webkit-scrollbar {
  display: none;
}

.pp-jump__link {
  flex: 0 0 auto;
  padding: 15px 20px 15px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  white-space: nowrap;
  color: var(--pp-mute);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.pp-jump__link:hover,
.pp-jump__link:focus-visible {
  color: var(--ink-deep);
  border-bottom-color: var(--ember);
}

/* ---------- 章节主体 ---------- */

.pp-sections {
  margin-top: 6px;
}

.pp-sec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 34px 0;
  border-bottom: 1px solid var(--pp-rule);
  scroll-margin-top: 96px;
}

.pp-sec--last {
  border-bottom: none;
}

.pp-sec__num {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  background: var(--ink-deep);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 19px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.pp-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.pp-sec__body p {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--pp-body);
}

/* ---------- 要点细线列表 ---------- */

.pp-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  max-width: 78ch;
}

.pp-list li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--pp-rule);
}

.pp-list li:last-child {
  border-bottom: 1px solid var(--pp-rule);
}

.pp-list__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-deep);
}

.pp-list__v {
  font-size: 16px;
  line-height: 1.82;
  color: var(--pp-body);
}

/* ---------- 可展开的补充说明 ---------- */

.pp-more {
  margin-top: 22px;
  padding-left: 16px;
  border-left: 2px solid var(--ember);
  max-width: 70ch;
}

.pp-more summary {
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-deep);
}

.pp-more summary::-webkit-details-marker {
  display: none;
}

.pp-more summary::after {
  content: "  +";
  font-family: var(--font-mono);
  color: var(--ember);
}

.pp-more[open] summary::after {
  content: "  −";
}

.pp-more p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--pp-body);
}

/* ---------- 联系方式条目 ---------- */

.pp-contact {
  margin-top: 24px;
  max-width: 78ch;
  border-top: 1px solid var(--pp-rule);
}

.pp-contact__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pp-rule);
}

.pp-contact__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pp-mute);
}

.pp-contact__v {
  font-size: 16px;
  line-height: 1.78;
  color: var(--pp-body);
}

.pp-contact__v a {
  color: var(--ink-deep);
  text-decoration: underline;
  text-decoration-color: var(--ember);
  text-underline-offset: 4px;
}

/* ---------- 页尾动作行 ---------- */

.pp-end {
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--pp-rule);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.pp-end__link {
  font-size: 14px;
  color: var(--ink-deep);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--pp-rule);
  transition: border-color 180ms var(--ease-out);
}

.pp-end__link:hover,
.pp-end__link:focus-visible {
  border-bottom-color: var(--ember);
}

.pp-end__top {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pp-mute);
  border-bottom-color: transparent;
}

/* ---------- 桌面端排版 ---------- */

@media (min-width: 760px) {
  .page-privacy {
    --pp-num-w: 88px;
    padding-bottom: 120px;
  }

  .pp-sec {
    grid-template-columns: var(--pp-num-w) 1fr;
    gap: 44px;
    padding: 54px 0;
  }

  .pp-sec__num {
    width: 62px;
    height: 62px;
    font-size: 21px;
  }

  .pp-list li,
  .pp-contact__row {
    grid-template-columns: 168px 1fr;
    gap: 28px;
    align-items: start;
    padding: 18px 0;
  }

  .pp-list__k,
  .pp-contact__k {
    padding-top: 3px;
  }

  .pp-jump__link {
    padding-right: 28px;
  }
}

@media (min-width: 1100px) {
  .pp-title {
    max-width: 23ch;
  }

  .pp-hero {
    padding-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pp-jump__link,
  .pp-end__link {
    transition: none;
  }
}