.page-privacy {
  --pp-gutter: 20px;
  background: var(--cream);
  color: var(--text);
}

/* 页首 */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  background: var(--jade-deep);
  color: #fff;
  padding: 116px 0 44px;
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(255, 255, 255, 0.07) 0 1px, transparent 1px 52px),
    repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.07) 0 1px, transparent 1px 52px);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(to right, var(--jade) 0 30%, var(--orange) 30% 46%, var(--amber) 46% 62%, var(--indigo) 62% 100%);
}

.page-privacy .pp-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .pp-crumbs {
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
  letter-spacing: 0.02em;
  margin-bottom: 22px;
}

.page-privacy .pp-crumbs a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.page-privacy .pp-crumbs a:hover,
.page-privacy .pp-crumbs a:focus-visible {
  color: var(--amber);
  text-decoration: underline;
}

.page-privacy .pp-hero__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--orange-soft);
  margin-bottom: 14px;
}

.page-privacy .pp-hero h1 {
  max-width: 22ch;
  font-size: 30px;
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.page-privacy .pp-hero__lede {
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.86);
}

.page-privacy .pp-hero__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}

/* 页首横幅图 */
.page-privacy .pp-banner {
  margin: 0;
  display: block;
  background: var(--jade-deep);
}

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

/* 主体文档区 */
.page-privacy .pp-doc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding: 40px var(--pp-gutter) 64px;
}

/* 章节导航 */
.page-privacy .pp-toc {
  border-top: 3px solid var(--jade-deep);
  padding-top: 14px;
}

.page-privacy .pp-toc__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--jade);
  margin-bottom: 12px;
}

.page-privacy .pp-toc ol {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pp-toc li {
  flex: 0 0 auto;
}

.page-privacy .pp-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-privacy .pp-toc a .n {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
}

.page-privacy .pp-toc a:hover,
.page-privacy .pp-toc a:focus-visible {
  color: var(--jade);
  border-bottom-color: var(--jade);
}

/* 章节正文 */
.page-privacy .pp-body {
  min-width: 0;
}

.page-privacy .pp-sec {
  position: relative;
  border-top: var(--hair);
  padding-top: 26px;
  margin-bottom: 48px;
}

.page-privacy .pp-sec:last-of-type {
  margin-bottom: 32px;
}

.page-privacy .pp-sec__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-privacy .pp-sec h2 {
  font-size: 22px;
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 14px;
}

.page-privacy .pp-sec__lede {
  border-left: 3px solid var(--jade);
  padding-left: 13px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.75;
  color: var(--ink);
  margin-bottom: 18px;
}

.page-privacy .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 21px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.68em;
  width: 7px;
  height: 7px;
  background: var(--jade);
}

.page-privacy .pp-list > li strong {
  color: var(--ink);
  font-weight: 700;
}

.page-privacy .pp-list a,
.page-privacy .pp-more a {
  color: var(--jade-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pp-list a:hover,
.page-privacy .pp-more a:hover {
  color: var(--orange);
}

/* 逐条展开的补充说明 */
.page-privacy .pp-more {
  margin-top: 18px;
  border-top: var(--hair);
  border-left: 4px solid var(--wine);
  background: var(--sand);
  padding: 12px 16px 12px 14px;
}

.page-privacy .pp-more > summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--jade-700);
}

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

.page-privacy .pp-more > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange);
}

.page-privacy .pp-more[open] > summary::after {
  content: "－";
}

.page-privacy .pp-more > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-privacy .pp-more p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .pp-note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--sand);
  border-left: 3px solid var(--jade);
  padding: 12px 14px;
}

.page-privacy .pp-top {
  margin-top: 8px;
}

.page-privacy .mono {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--jade-700);
  letter-spacing: 0.01em;
}

/* 显现动画 */
.page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms linear, transform 420ms linear;
}

.page-privacy [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* 平板及以上 */
@media (min-width: 780px) {
  .page-privacy .pp-hero {
    padding: 156px 0 62px;
  }

  .page-privacy .pp-hero h1 {
    font-size: 44px;
    max-width: 20ch;
  }

  .page-privacy .pp-hero__lede {
    font-size: 17px;
  }

  .page-privacy .pp-sec {
    padding-left: 88px;
  }

  .page-privacy .pp-sec__num {
    position: absolute;
    left: 0;
    top: 30px;
    margin: 0;
    font-size: 18px;
  }

  .page-privacy .pp-sec h2 {
    font-size: 28px;
  }

  .page-privacy .pp-sec__lede {
    font-size: 17px;
  }
}

/* 桌面：左侧固定章节锚点 + 68 字符正文宽 */
@media (min-width: 960px) {
  .page-privacy .pp-doc {
    grid-template-columns: 208px minmax(0, 1fr);
    column-gap: 64px;
    padding-top: 56px;
    padding-bottom: 96px;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: 104px;
    align-self: start;
    border-top: none;
    border-left: 3px solid var(--jade-deep);
    padding: 2px 0 2px 18px;
  }

  .page-privacy .pp-toc ol {
    display: grid;
    gap: 11px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pp-toc a {
    white-space: normal;
  }

  .page-privacy .pp-body {
    max-width: 68ch;
  }

  .page-privacy .pp-sec {
    margin-bottom: 60px;
  }
}