.page-privacy {
  --pp-grid: rgba(143, 164, 194, 0.06);
  background-color: var(--void);
  background-image:
    linear-gradient(to right, var(--pp-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pp-grid) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center top;
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 9vw, 104px);
}

.page-privacy .privacy-hero {
  padding: clamp(20px, 4vw, 40px) 0 clamp(26px, 4vw, 48px);
}

.page-privacy .privacy-hero-inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-privacy .privacy-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--cyan);
  transform: skewX(-20deg);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5.2vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 20em;
}

.page-privacy .privacy-hl {
  color: var(--cyan);
  font-style: normal;
  box-shadow: inset 0 -0.16em 0 rgba(49, 242, 223, 0.22);
}

.page-privacy .privacy-lede {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-figure {
  position: relative;
  margin: 0;
  padding: 10px 10px 0;
  border: 1px solid var(--line-strong);
  background: linear-gradient(158deg, rgba(24, 38, 58, 0.92), rgba(6, 10, 18, 0.94));
  box-shadow: 9px 9px 0 rgba(2, 4, 10, 0.62);
}

.page-privacy .privacy-figure::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 3px;
  background: var(--amber);
}

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

.page-privacy .privacy-figure-cap {
  display: block;
  padding: 9px 2px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-privacy .privacy-body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(22px, 3.4vw, 36px);
  border-top: 1px solid var(--line);
}

/* 章节导航 */
.page-privacy .privacy-toc {
  border: 1px solid var(--line);
  background: rgba(13, 22, 36, 0.82);
}

.page-privacy .privacy-toc > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-privacy .privacy-toc[open] > summary {
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-toc-mark {
  position: relative;
  display: block;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.page-privacy .privacy-toc-mark::before,
.page-privacy .privacy-toc-mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .privacy-toc-mark::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-privacy .privacy-toc-mark::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-privacy .privacy-toc[open] .privacy-toc-mark::after {
  transform: scaleY(0);
}

.page-privacy .privacy-toc-list {
  list-style: none;
  margin: 0;
  padding: 8px 8px 12px;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 11px 10px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--paper);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-toc-list .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus-visible {
  background: rgba(49, 242, 223, 0.08);
  border-left-color: var(--cyan);
}

/* 正文 */
.page-privacy .privacy-article {
  min-width: 0;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-privacy .privacy-block {
  min-width: 0;
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-article > .privacy-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .privacy-block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .privacy-num {
  flex: 0 0 auto;
  padding: 3px 7px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
}

.page-privacy .privacy-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 26px);
  line-height: 1.28;
  color: var(--paper);
}

.page-privacy .privacy-article p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 247, 255, 0.86);
}

.page-privacy .privacy-article p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-article a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .privacy-article a:hover,
.page-privacy .privacy-article a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 字段说明 */
.page-privacy .privacy-fields {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
}

.page-privacy .privacy-field {
  border: 1px solid var(--line);
  background: rgba(24, 38, 58, 0.5);
  padding: 12px 14px;
}

.page-privacy .privacy-field dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-privacy .privacy-field dd {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
}

/* 保存时长 */
.page-privacy .privacy-keep {
  list-style: none;
  margin: 20px 0 18px;
  padding: 0;
  border: 1px solid var(--line);
  background: rgba(13, 22, 36, 0.62);
}

.page-privacy .privacy-keep li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 13px 16px;
  font-size: 15px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-keep li:first-child {
  border-top: 0;
}

.page-privacy .privacy-keep .k {
  color: var(--mist);
}

.page-privacy .privacy-keep .v {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--amber);
}

/* 流向图 */
.page-privacy .privacy-flow {
  margin: 22px 0 0;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(6, 10, 18, 0.7);
}

.page-privacy .privacy-flow svg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-privacy .privacy-flow figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 折叠摘要 */
.page-privacy .privacy-details {
  margin: 20px 0 0;
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--line-amber);
}

.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--amber);
}

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

.page-privacy .privacy-details summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
}

.page-privacy .privacy-details[open] summary::before {
  content: "\2212";
}

.page-privacy .privacy-details p {
  margin: 10px 0 0;
  font-size: 15px;
  color: var(--mist);
}

/* 联系 */
.page-privacy .privacy-contact {
  position: relative;
  margin-top: 22px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line-cyan);
  background: linear-gradient(152deg, rgba(24, 38, 58, 0.92), rgba(6, 10, 18, 0.94));
}

.page-privacy .privacy-contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--cyan);
}

.page-privacy .privacy-contact h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  color: var(--paper);
}

.page-privacy .privacy-mail {
  margin: 4px 0 0;
  font-size: clamp(15px, 2.2vw, 19px);
  letter-spacing: 0.01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-privacy .privacy-contact-note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--mist);
}

.page-privacy .privacy-backtop {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-privacy .privacy-backtop a {
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-privacy .privacy-backtop a:hover,
.page-privacy .privacy-backtop a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy summary:focus-visible,
.page-privacy a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 640px) {
  .page-privacy .privacy-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-privacy .privacy-toc > summary {
    cursor: default;
  }

  .page-privacy .privacy-toc-mark {
    display: none;
  }

  .page-privacy .privacy-article p {
    max-width: 72ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc-mark::before,
  .page-privacy .privacy-toc-mark::after,
  .page-privacy .privacy-toc-list a,
  .page-privacy .privacy-article a {
    transition: none;
  }
}
<<<END>>>