.page-privacy {
  --pp-radius: 4px;
  --pp-line: rgba(60, 90, 122, .5);
  --pp-muted: var(--muted);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  margin-top: 22px;
  margin-bottom: clamp(38px, 6vw, 70px);
}

.page-privacy .privacy-hero__media {
  border: 1px solid var(--pp-line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--deep-2);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 330px);
  object-fit: cover;
}

.page-privacy .privacy-hero__text {
  max-width: 800px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-privacy h1 {
  margin: 12px 0 0;
  font-size: clamp(29px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  margin: 16px 0 0;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.75;
  color: var(--pp-muted);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-meta li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  line-height: 1.7;
  color: var(--cyan);
  padding: 3px 10px;
  border: 1px solid rgba(46, 242, 196, .35);
  border-radius: 2px;
}

/* ---------- 非对称栅格 ---------- */
.page-privacy .layout-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

/* ---------- 目录 ---------- */
.page-privacy .pp-toc {
  border-left: 1px solid var(--pp-line);
  padding-left: 14px;
}

.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-privacy .pp-toc__list a {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--pp-muted);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease;
}

.page-privacy .pp-toc__list a:hover,
.page-privacy .pp-toc__list a:focus-visible {
  color: var(--cyan);
  border-color: rgba(46, 242, 196, .45);
  outline: none;
}

/* ---------- 正文区块 ---------- */
.page-privacy .pp-body {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3.4vw, 34px);
  min-width: 0;
}

.page-privacy .pp-block {
  border: 1px solid var(--pp-line);
  border-radius: var(--pp-radius);
  padding: clamp(22px, 4vw, 40px);
  scroll-margin-top: calc(var(--header-safe) + 24px);
}

.page-privacy .pp-block--deep {
  background: var(--deep-2);
}

.page-privacy .pp-block--paper {
  background: var(--paper);
  color: var(--ink);
  --pp-line: rgba(36, 26, 18, .22);
  --pp-muted: rgba(36, 26, 18, .68);
}

.page-privacy .pp-block__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-privacy .pp-block--paper .pp-block__eyebrow {
  color: rgba(36, 26, 18, .58);
}

.page-privacy .pp-block__title {
  margin: 0 0 14px;
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .pp-block--paper .pp-block__title {
  color: var(--ink);
}

.page-privacy .pp-block__lede {
  max-width: 62ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pp-muted);
}

.page-privacy .pp-block__foot {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-muted);
}

.page-privacy .pp-block a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 196, .55);
  padding-bottom: 1px;
}

.page-privacy .pp-block--paper a {
  color: #8A4415;
  border-bottom-color: rgba(138, 68, 21, .5);
}

.page-privacy .pp-block a:hover,
.page-privacy .pp-block a:focus-visible {
  border-bottom-color: currentColor;
  outline: none;
}

/* ---------- 信息清单 ---------- */
.page-privacy .pp-infolist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-line);
}

.page-privacy .pp-infolist > li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-privacy .pp-infolist__key {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
}

.page-privacy .pp-infolist__desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-muted);
}

.page-privacy .pp-tag {
  justify-self: start;
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.7;
  border-radius: 2px;
  border: 1px solid currentColor;
}

.page-privacy .pp-tag--must {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-privacy .pp-tag--opt {
  color: rgba(36, 26, 18, .7);
  border-color: rgba(36, 26, 18, .4);
}

/* ---------- 用途四格 ---------- */
.page-privacy .pp-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pp-uses > li {
  background: var(--deep);
  padding: 22px 20px;
}

.page-privacy .pp-uses__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-privacy .pp-uses__title {
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-privacy .pp-uses__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-muted);
}

/* ---------- 流向图 ---------- */
.page-privacy .pp-flow-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 4px 0 26px;
}

.page-privacy .pp-flow {
  display: block;
  width: 100%;
  min-width: 540px;
  height: auto;
}

.page-privacy .pp-flow__line {
  fill: none;
  stroke: rgba(36, 26, 18, .38);
  stroke-width: 1.5;
}

.page-privacy .pp-flow__node {
  fill: rgba(36, 26, 18, .04);
  stroke: rgba(36, 26, 18, .38);
  stroke-width: 1.5;
  transition: stroke-width .18s ease;
}

.page-privacy .pp-flow__node--on {
  fill: rgba(255, 122, 60, .18);
  stroke: #C2521F;
}

.page-privacy .pp-flow__num {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  fill: var(--ink);
}

.page-privacy .pp-flow__label {
  font-family: var(--font-sans);
  font-size: 15px;
  fill: rgba(36, 26, 18, .75);
}

.page-privacy .pp-flow a {
  cursor: pointer;
  border-bottom: none;
}

.page-privacy .pp-flow a:hover .pp-flow__node,
.page-privacy .pp-flow a:focus-visible .pp-flow__node {
  stroke-width: 3;
}

/* ---------- 项目列表 ---------- */
.page-privacy .pp-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 24px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pp-muted);
}

.page-privacy .pp-list > li strong {
  color: inherit;
  font-weight: 800;
}

.page-privacy .pp-block--paper .pp-list > li strong {
  color: var(--ink);
}

.page-privacy .pp-block--deep .pp-list > li strong {
  color: var(--paper);
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .66em;
  width: 8px;
  height: 8px;
  border: 1px solid currentColor;
  transform: rotate(45deg);
}

/* ---------- 折叠面板 ---------- */
.page-privacy .pp-acc {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-privacy .pp-acc details {
  border: 1px solid var(--pp-line);
  border-radius: var(--pp-radius);
  background: rgba(11, 31, 58, .62);
}

.page-privacy .pp-acc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .pp-acc summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.page-privacy .pp-acc details[open] summary::after {
  content: "–";
}

.page-privacy .pp-acc summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-privacy .pp-acc__body {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-muted);
}

/* ---------- 联系方式 ---------- */
.page-privacy .pp-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0;
}

.page-privacy .pp-contact__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-privacy .pp-contact__value {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-infolist > li {
    grid-template-columns: 158px 68px minmax(0, 1fr);
    align-items: start;
  }

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

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

@media (min-width: 1024px) {
  .page-privacy .layout-rail {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(30px, 4.5vw, 62px);
    align-items: start;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-safe) + 22px);
    padding-left: 16px;
  }

  .page-privacy .pp-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-privacy .pp-toc__list a {
    display: block;
    padding: 6px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__list a,
  .page-privacy .pp-flow__node {
    transition: none;
  }
}