.page-privacy {
  --pv-text: rgba(245, 241, 255, 0.8);
  --pv-hair: rgba(169, 155, 199, 0.16);
  background: var(--sg-night);
  color: var(--sg-mist);
  font-family: var(--sg-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 54px;
  border-bottom: 1px solid var(--sg-line-soft);
  background:
    radial-gradient(920px 400px at 84% -10%, rgba(108, 43, 255, 0.3), transparent 70%),
    radial-gradient(620px 300px at 0% 0%, rgba(0, 229, 255, 0.12), transparent 74%),
    var(--sg-night);
  scroll-margin-top: var(--sg-header-h);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--sg-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--sg-line-soft) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 86%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 86%);
  pointer-events: none;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-privacy .pv-hero__copy {
  min-width: 0;
}

.page-privacy .pv-title {
  margin: 16px 0 0;
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--sg-mist);
  transform: rotate(-2.2deg);
  transform-origin: left bottom;
}

.page-privacy .pv-title em {
  font-style: normal;
  color: var(--sg-cyan);
  text-shadow: 0 0 28px rgba(0, 229, 255, 0.32);
}

.page-privacy .pv-lead {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pv-text);
}

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

.page-privacy .pv-figure {
  position: relative;
  margin: 0;
  min-width: 0;
  border: 1px solid var(--sg-line-cyan);
  background: var(--sg-deep);
  box-shadow: var(--sg-shadow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

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

.page-privacy .pv-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--sg-line-soft);
  font-family: var(--sg-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sg-blueprint);
}

/* ---------- 主体两栏 ---------- */
.page-privacy .pv-body {
  display: grid;
  gap: 34px;
  padding: 44px 0 72px;
}

/* ---------- 目录 ---------- */
.page-privacy .pv-toc {
  align-self: start;
  min-width: 0;
  border: 1px solid var(--sg-line-soft);
  border-top: 2px solid var(--sg-violet);
  background: linear-gradient(180deg, rgba(14, 11, 26, 0.92), rgba(7, 7, 13, 0.6));
  padding: 16px 16px 18px;
}

.page-privacy .pv-toc__label {
  margin: 0;
  font-family: var(--sg-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sg-blueprint);
}

.page-privacy .pv-toc__list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  margin: 14px 0 0;
  padding: 0 0 6px;
  list-style: none;
  scrollbar-width: thin;
}

.page-privacy .pv-toc__list li {
  flex: 0 0 auto;
}

.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 12px;
  border-left: 2px solid transparent;
  color: var(--pv-text);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: color 180ms var(--sg-ease), background 180ms var(--sg-ease), border-color 180ms var(--sg-ease);
}

.page-privacy .pv-toc__num {
  font-family: var(--sg-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sg-cyan);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--sg-cyan);
  background: rgba(0, 229, 255, 0.07);
  border-left-color: var(--sg-cyan);
  outline: none;
}

/* ---------- 章节 ---------- */
.page-privacy .pv-article {
  min-width: 0;
}

.page-privacy .pv-section {
  padding: 30px 0 6px;
  border-top: 1px solid var(--pv-hair);
  scroll-margin-top: calc(var(--sg-header-h) + 18px);
}

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

.page-privacy .pv-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-privacy .pv-section__num {
  font-family: var(--sg-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--sg-cyan);
}

.page-privacy .pv-section h2 {
  margin: 0;
  font-size: clamp(20px, 3.8vw, 27px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--sg-mist);
}

.page-privacy .pv-section p {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pv-text);
}

.page-privacy .pv-article a {
  color: var(--sg-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  transition: color 160ms var(--sg-ease), border-color 160ms var(--sg-ease);
}

.page-privacy .pv-article a:hover,
.page-privacy .pv-article a:focus-visible {
  color: var(--sg-mist);
  border-bottom-color: var(--sg-mist);
  outline: none;
}

/* 列表 */
.page-privacy .pv-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pv-text);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.68em;
  width: 8px;
  height: 8px;
  background: var(--sg-violet);
  transform: rotate(45deg);
}

.page-privacy .pv-list strong {
  color: var(--sg-mist);
  font-weight: 700;
}

/* 四类信息 */
.page-privacy .pv-defs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 18px 0 0;
}

.page-privacy .pv-defs > div {
  border: 1px solid var(--sg-line-soft);
  border-left: 2px solid var(--sg-cyan);
  background: rgba(14, 11, 26, 0.72);
  padding: 15px 17px;
}

.page-privacy .pv-defs dt {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--sg-mist);
}

.page-privacy .pv-defs dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pv-text);
}

/* 引用块 */
.page-privacy .pv-callout {
  margin: 20px 0 0;
  max-width: 66ch;
  padding: 18px 20px;
  background: var(--sg-paper);
  color: var(--sg-ink);
  border-left: 4px solid var(--sg-violet);
  font-size: 15px;
  line-height: 1.8;
}

/* 联系卡片 */
.page-privacy .pv-contact {
  margin: 20px 0 0;
  padding: 20px 20px 18px;
  border: 1px solid var(--sg-line-cyan);
  background: linear-gradient(150deg, rgba(14, 11, 26, 0.96), rgba(7, 7, 13, 0.88));
}

.page-privacy .pv-contact__label {
  margin: 0;
  font-family: var(--sg-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sg-cyan);
}

.page-privacy .pv-contact dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 16px 0 0;
}

.page-privacy .pv-contact dt {
  font-family: var(--sg-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sg-blueprint);
}

.page-privacy .pv-contact dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--sg-mist);
  word-break: break-word;
}

.page-privacy .pv-contact__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pv-hair);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sg-blueprint);
}

/* ---------- 页尾动作 ---------- */
.page-privacy .pv-foot {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--pv-hair);
}

.page-privacy .pv-foot__note {
  font-family: var(--sg-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sg-blueprint);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-privacy .pv-defs {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .page-privacy .pv-contact dl {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero {
    padding: 48px 0 72px;
  }

  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: 56px;
    align-items: end;
  }

  .page-privacy .pv-body {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 64px;
    padding: 72px 0 104px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--sg-header-h) + 22px);
    padding: 20px 18px 22px;
  }

  .page-privacy .pv-toc__list {
    display: block;
    overflow: visible;
    margin-top: 16px;
    padding: 0;
  }

  .page-privacy .pv-toc__list li {
    flex: none;
  }

  .page-privacy .pv-toc__link {
    padding: 9px 10px;
    font-size: 14.5px;
  }

  .page-privacy .pv-section {
    padding: 38px 0 10px;
  }

  .page-privacy .pv-contact {
    padding: 24px 26px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-title {
    transform: none;
  }

  .page-privacy .pv-toc__link,
  .page-privacy .pv-article a {
    transition: none;
  }
}