/* ===== 隐私中心 · 页面专属样式 ===== */
.page-privacy {
  --privacy-num-col: 76px;
  --privacy-num-gap: 28px;
  display: block;
  overflow-x: clip;
  background:
    linear-gradient(180deg, rgba(6, 20, 38, .55), rgba(11, 30, 58, 0) 460px);
}

/* 顶部阅读进度 */
.page-privacy .privacy-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 60;
  background: rgba(159, 179, 200, .1);
  pointer-events: none;
}

.page-privacy .privacy-progress > span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--teal));
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-mid);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -22%;
  width: 72%;
  height: 170%;
  background:
    repeating-linear-gradient(90deg, rgba(159, 179, 200, .1) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg, rgba(159, 179, 200, .1) 0 1px, transparent 1px 56px);
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 34%;
  right: -12%;
  bottom: -34%;
  height: 82%;
  background: linear-gradient(118deg, rgba(59, 42, 107, .6), rgba(15, 107, 92, .28));
  clip-path: polygon(16% 0, 100% 34%, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  padding: 32px 0 40px;
}

.page-privacy .privacy-hero__text h1 {
  margin: 12px 0 16px;
  font-size: clamp(28px, 6.2vw, 56px);
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--ice);
}

.page-privacy .privacy-hero__text .lede {
  margin: 0 0 14px;
  color: var(--ice);
  opacity: .88;
}

.page-privacy .privacy-hero__figure {
  margin: 0;
  border: 1px solid var(--line-mid);
  border-radius: 2px 26px 2px 2px;
  overflow: hidden;
  background: rgba(6, 20, 38, .65);
}

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

.page-privacy .privacy-hero__figcap {
  display: block;
  padding: 8px 14px;
  border-top: 1px solid var(--line-cyan);
  background: rgba(6, 20, 38, .82);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .07em;
  color: var(--mist);
}

/* 主体布局 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding: 32px 0 64px;
}

/* 条款 */
.page-privacy .clause {
  position: relative;
  padding: 26px 0 6px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .clause__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cyan);
  padding-top: 4px;
  position: relative;
}

.page-privacy .clause__no::after {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  bottom: -16px;
  width: 1px;
  background: linear-gradient(180deg, var(--line-cyan), rgba(0, 229, 255, 0));
}

.page-privacy .clause__title {
  margin: 0 0 14px;
  font-size: clamp(20px, 3.6vw, 27px);
  line-height: 1.32;
  letter-spacing: -.004em;
  color: var(--ice);
}

.page-privacy .clause p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ice);
  opacity: .9;
}

.page-privacy .clause__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 64ch;
}

.page-privacy .clause__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ice);
  opacity: .88;
}

.page-privacy .clause__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .74em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .clause__list strong {
  color: var(--ice);
  font-weight: 700;
  opacity: 1;
}

.page-privacy .clause__inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-privacy .clause__inline-link:hover,
.page-privacy .clause__inline-link:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

/* 折叠条款 */
.page-privacy .clause--fold {
  display: block;
  padding: 22px 0 8px;
}

.page-privacy .clause--fold > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  padding: 4px 0;
}

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

.page-privacy .clause--fold > summary .clause__no {
  flex: 0 0 auto;
  padding-top: 0;
}

.page-privacy .clause--fold > summary .clause__no::after {
  display: none;
}

.page-privacy .clause--fold > summary .clause__title {
  flex: 1 1 auto;
  margin: 0;
}

.page-privacy .clause__chev {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-mid);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .clause--fold > summary:hover .clause__chev {
  border-color: var(--cyan);
}

.page-privacy .clause--fold[open] > summary .clause__chev {
  transform: rotate(45deg);
}

.page-privacy .clause__body {
  padding-top: 16px;
}

/* 联系方式卡 */
.page-privacy .privacy-contact {
  margin: 22px 0 0;
  padding: 18px;
  display: grid;
  gap: 12px;
  border: 1px solid var(--line-cyan);
  background: linear-gradient(140deg, rgba(0, 229, 255, .09), rgba(6, 20, 38, .62) 62%);
}

.page-privacy .privacy-contact__item {
  min-width: 0;
}

.page-privacy .privacy-contact__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-privacy .privacy-contact__value {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ice);
  word-break: break-word;
}

.page-privacy .privacy-contact__copy {
  justify-self: start;
}

/* 相关页面 */
.page-privacy .privacy-related {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line-mid);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .privacy-related__link {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--line-mid);
  color: var(--ice);
  text-decoration: none;
  font-size: 14px;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-privacy .privacy-related__link:hover,
.page-privacy .privacy-related__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-soft);
}

/* 目录 */
.page-privacy .privacy-toc {
  order: -1;
  padding: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(6, 20, 38, .58);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

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

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 8px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.5;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--ice);
  border-left-color: var(--cyan);
  background: var(--cyan-soft);
}

.page-privacy .privacy-toc__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  opacity: .85;
}

.page-privacy .privacy-toc__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .privacy-toc__note-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

/* ===== 平板与桌面 ===== */
@media (min-width: 720px) {
  .page-privacy .clause {
    display: grid;
    grid-template-columns: var(--privacy-num-col) minmax(0, 1fr);
    gap: var(--privacy-num-gap);
  }

  .page-privacy .clause--fold {
    display: block;
    grid-template-columns: none;
  }

  .page-privacy .clause__body {
    padding-left: calc(var(--privacy-num-col) + var(--privacy-num-gap));
  }

  .page-privacy .privacy-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 22px;
  }

  .page-privacy .privacy-contact__copy {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
    gap: 56px;
    padding: 60px 0 56px;
  }
}

@media (min-width: 1040px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 292px;
    gap: 72px;
    padding: 56px 0 96px;
  }

  .page-privacy .privacy-toc {
    order: 0;
    position: sticky;
    top: 96px;
    padding: 22px 20px;
  }

  .page-privacy .clause__title {
    font-size: 27px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause__chev,
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-related__link {
    transition: none;
  }
}
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