.page-privacy {
  --measure: 62ch;
  --sheet-shadow: 5px 5px 0 -1px #050B18, 5px 5px 0 0 #1B2A4A;
  display: block;
  background-color: var(--ink);
  background-image:
    radial-gradient(900px 460px at 8% -8%, rgba(32, 227, 210, .10), transparent 62%),
    radial-gradient(760px 420px at 96% 2%, rgba(110, 91, 166, .16), transparent 64%);
  background-repeat: no-repeat;
  padding-bottom: clamp(52px, 9vw, 120px);
}

/* ---------- 顶部上下文 ---------- */
.page-privacy .privacy-topbar {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  border-bottom: 1px solid var(--line);
  padding: clamp(20px, 3.6vw, 38px) 0 clamp(28px, 5vw, 58px);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
  max-width: 1120px;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -.015em;
  color: var(--text);
  margin: .4em 0 .5em;
  max-width: 15em;
}

.page-privacy .privacy-hero .lead {
  max-width: 48ch;
  margin: 0 0 14px;
}

.page-privacy .privacy-hero .meta {
  max-width: 46ch;
  margin: 0;
}

.page-privacy .privacy-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

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

@media (min-width: 960px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    margin-inline: auto;
  }
}

/* ---------- 共用阅读宽度 ---------- */
.page-privacy .privacy-shell {
  max-width: 880px;
  margin-inline: auto;
}

/* ---------- 条目导航 ---------- */
.page-privacy .privacy-toc {
  padding: clamp(28px, 5vw, 54px) 0 clamp(12px, 2vw, 20px);
}

.page-privacy .privacy-toc .label {
  display: block;
  margin: 0 0 14px;
}

.page-privacy .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .toc__link {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 12px;
  padding: 13px 14px;
  background: var(--panel);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-privacy .toc__link:hover,
.page-privacy .toc__link:focus-visible {
  background: rgba(32, 227, 210, .09);
  color: var(--cyan);
  outline: none;
}

.page-privacy .toc__link:focus-visible {
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-privacy .toc__num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

@media (min-width: 720px) {
  .page-privacy .toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 条款正文 ---------- */
.page-privacy .clauses {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  padding-top: clamp(14px, 2.6vw, 26px);
}

.page-privacy .clause {
  position: relative;
  scroll-margin-top: 96px;
  padding: clamp(24px, 3.6vw, 42px) clamp(18px, 3vw, 38px);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--sheet-shadow);
}

.page-privacy .clause::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 44px;
  background: var(--cyan);
}

.page-privacy .clause__num {
  display: block;
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-privacy .clause h2 {
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--text);
  margin: .34em 0 .62em;
}

.page-privacy .clause p {
  margin: 0 0 14px;
  max-width: var(--measure);
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-privacy .clause > :last-child {
  margin-bottom: 0;
}

.page-privacy .clause__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .clause__list li {
  position: relative;
  padding-left: 18px;
  max-width: var(--measure);
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-privacy .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
}

.page-privacy .clause__term {
  color: var(--text);
  font-weight: 700;
}

.page-privacy .clause__note {
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14.5px;
}

/* ---------- 关键词标注 ---------- */
.page-privacy .kw {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 1px;
  transition: color .18s var(--ease);
}

.page-privacy .kw:hover,
.page-privacy .kw:focus-visible {
  color: var(--cyan);
  outline: none;
}

/* ---------- 可展开内容组 ---------- */
.page-privacy .faq-group,
.page-privacy .retention {
  margin: 6px 0 16px;
  border-top: 1px solid var(--line);
}

.page-privacy details {
  border-bottom: 1px solid var(--line);
}

.page-privacy summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
}

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

.page-privacy summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
  transition: transform .18s var(--ease);
}

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

.page-privacy summary:hover {
  color: var(--cyan);
}

.page-privacy summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 3px;
}

.page-privacy details > p {
  margin: 0 0 14px;
  padding-left: 2px;
  max-width: var(--measure);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-privacy .retention__name {
  color: var(--text);
}

.page-privacy .retention__term {
  flex: none;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .04em;
}

@media (max-width: 520px) {
  .page-privacy summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-privacy summary::after {
    position: absolute;
    right: 2px;
  }

  .page-privacy details {
    position: relative;
  }

  .page-privacy summary {
    padding-right: 26px;
  }
}

/* ---------- 联系方式块 ---------- */
.page-privacy .contact-block {
  margin: 4px 0 18px;
  border: 1px solid var(--line);
  background: rgba(14, 58, 70, .38);
  padding: 6px 16px;
}

.page-privacy .contact-block__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  max-width: none;
  font-size: 15px;
}

.page-privacy .contact-block__row:last-child {
  border-bottom: 0;
}

.page-privacy .contact-block__key {
  flex: none;
  min-width: 46px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-privacy .contact-block a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .contact-block a:hover,
.page-privacy .contact-block a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

@media (min-width: 900px) {
  .page-privacy .contact-block__row {
    font-size: 15.5px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc__link,
  .page-privacy summary::after,
  .page-privacy .kw,
  .page-privacy .contact-block a {
    transition: none;
  }
}
<<<END>>>