.page-privacy {
  --pv-line: rgba(195, 207, 226, .16);
  --pv-ink-soft: #7A879C;
  background: var(--deep);
  color: var(--silver);
  padding-bottom: clamp(64px, 8vw, 112px);
}

/* ---------- 首屏横幅 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(36px, 5vw, 60px);
  border-bottom: 1px solid var(--pv-line);
  background-image:
    repeating-linear-gradient(to right, rgba(195, 207, 226, .055) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(to bottom, rgba(195, 207, 226, .055) 0 1px, transparent 1px 24px);
  overflow: hidden;
}

.page-privacy .pv-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--cold);
  margin: 16px 0 0;
  max-width: 20ch;
}

.page-privacy .pv-hero__lead {
  margin: clamp(18px, 2.5vw, 26px) 0 0;
  max-width: 60ch;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.85;
  color: var(--silver);
}

.page-privacy .pv-hero__media {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

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

/* ---------- 主体骨架 ---------- */
.page-privacy .pv-body {
  display: flex;
  flex-direction: column;
  padding-top: clamp(26px, 4vw, 48px);
}

.page-privacy .pv-main {
  max-width: 46rem;
  min-width: 0;
}

/* ---------- 章节索引 ---------- */
.page-privacy .pv-toc {
  order: -1;
  border-top: 1px solid var(--pv-line);
  padding-top: 16px;
  margin-bottom: 20px;
}

.page-privacy .pv-toc__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--pv-ink-soft);
  margin: 0 0 12px;
}

.page-privacy .pv-toc__list {
  display: flex;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--pv-line);
  color: var(--silver);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  border-color: var(--orange);
  color: var(--cold);
  background: var(--night);
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--orange);
}

/* ---------- 章节 ---------- */
.page-privacy .pv-sec {
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--pv-line);
}

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

.page-privacy .pv-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-privacy .pv-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
  border: 1px solid rgba(255, 106, 26, .45);
  padding: 3px 8px;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-size: clamp(1.3rem, 2.7vw, 1.85rem);
  font-weight: 700;
  line-height: 1.32;
  color: var(--cold);
}

.page-privacy .pv-sec__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  line-height: 1.85;
}

.page-privacy .pv-sec__lead a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 107, 224, .5);
}

.page-privacy .pv-sec__lead a:hover,
.page-privacy .pv-sec__lead a:focus-visible {
  color: var(--ember);
  border-bottom-color: var(--ember);
}

/* ---------- 折叠条目 ---------- */
.page-privacy .pv-fold {
  margin-top: 16px;
  background: var(--night);
  border: 1px solid var(--pv-line);
}

.page-privacy .pv-fold__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  cursor: pointer;
  font-weight: 700;
  color: var(--cold);
  list-style: none;
}

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

.page-privacy .pv-fold__sum::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange);
}

.page-privacy .pv-fold[open] .pv-fold__sum::after {
  content: "－";
}

.page-privacy .pv-fold__sum:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-privacy .pv-fold__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--pv-line);
  padding-top: 16px;
}

/* ---------- 项目列表 ---------- */
.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-list > li {
  position: relative;
  padding-left: 22px;
  line-height: 1.85;
}

.page-privacy .pv-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 用途分块 ---------- */
.page-privacy .pv-uses {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pv-line);
  border: 1px solid var(--pv-line);
}

.page-privacy .pv-uses__item {
  background: var(--deep);
  padding: clamp(18px, 2.4vw, 24px);
}

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

.page-privacy .pv-uses__title {
  margin: 8px 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--cold);
  line-height: 1.5;
}

.page-privacy .pv-uses__item > p:last-child {
  margin: 0;
  line-height: 1.8;
}

/* ---------- 浅色提示卡 ---------- */
.page-privacy .pv-note {
  margin-top: 22px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--cold);
  color: var(--ink);
  border-left: 4px solid var(--orange);
}

.page-privacy .pv-note__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pv-ink-soft);
}

.page-privacy .pv-note .pv-list > li {
  color: var(--ink);
}

.page-privacy .pv-note .pv-list > li::before {
  background: var(--orange);
}

/* ---------- 权利步骤 ---------- */
.page-privacy .pv-steps {
  list-style: none;
  counter-reset: pvstep;
  margin: 20px 0 0;
  padding: 0;
}

.page-privacy .pv-steps > li {
  counter-increment: pvstep;
  position: relative;
  padding: 18px 0 18px 52px;
  border-top: 1px solid var(--pv-line);
  line-height: 1.85;
}

.page-privacy .pv-steps > li:last-child {
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-steps > li::before {
  content: counter(pvstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  letter-spacing: .04em;
}

.page-privacy .pv-steps strong {
  color: var(--cold);
  font-weight: 700;
}

/* ---------- 收束带 ---------- */
.page-privacy .pv-tail {
  margin-top: clamp(48px, 6vw, 84px);
  padding-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--pv-line);
  max-width: 46rem;
}

.page-privacy .pv-tail .rule {
  display: block;
  margin-bottom: 22px;
}

.page-privacy .pv-tail__title {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 700;
  color: var(--cold);
}

.page-privacy .pv-tail__text {
  margin: 12px 0 0;
  max-width: 56ch;
  line-height: 1.8;
}

.page-privacy .pv-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 桌面端双栏 ---------- */
@media (min-width: 960px) {
  .page-privacy .pv-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 0 64px;
    align-items: start;
  }

  .page-privacy .pv-main {
    order: 1;
    max-width: 44rem;
  }

  .page-privacy .pv-toc {
    order: 2;
    position: sticky;
    top: 88px;
    margin: 0;
    border-top: 0;
    border-left: 1px solid var(--pv-line);
    padding: 0 0 0 20px;
  }

  .page-privacy .pv-toc__list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding: 0;
  }

  .page-privacy .pv-toc__link {
    border: 0;
    padding: 7px 0;
    white-space: normal;
    background: transparent;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    color: var(--cold);
    background: transparent;
  }

  .page-privacy .pv-toc__link:hover .pv-toc__num,
  .page-privacy .pv-toc__link:focus-visible .pv-toc__num {
    color: var(--ember);
  }

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

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-fold__sum {
    transition: none;
  }
}
</final>