.page-privacy {
  --pv-measure: 66ch;
  --pv-gap: clamp(28px, 5vw, 72px);
  background: var(--board);
  padding-bottom: clamp(64px, 9vw, 120px);
}

/* ---------- 首屏框景 ---------- */
.page-privacy .privacy-hero {
  padding: calc(var(--hdr) + clamp(44px, 7vw, 88px)) 0 clamp(30px, 4vw, 52px);
}

.page-privacy .privacy-hero__frame {
  position: relative;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  background: linear-gradient(152deg, var(--panel) 0%, var(--board) 74%);
  padding: clamp(24px, 5vw, 52px);
}

.page-privacy .privacy-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 28px);
  pointer-events: none;
}

.page-privacy .privacy-hero__frame::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 58px;
  height: 6px;
  background: var(--amber);
}

.page-privacy .privacy-hero__crumbs {
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-privacy .privacy-hero__eyebrow {
  color: var(--index);
  margin: 0 0 12px;
}

.page-privacy .privacy-hero__title {
  margin: 0 0 18px;
  color: var(--paper);
  font-size: clamp(38px, 7.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-hero__lede {
  color: var(--muted);
  max-width: 54ch;
  margin: 0 0 22px;
  line-height: 1.75;
}

.page-privacy .privacy-hero__note {
  display: inline-block;
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--index);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ---------- 首屏下图 ---------- */
.page-privacy .privacy-figure {
  margin: 0 0 clamp(48px, 7vw, 92px);
}

.page-privacy .privacy-figure .fig__media {
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

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

.page-privacy .privacy-figure .fig__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--index);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

/* ---------- 左侧编号目录 ---------- */
.page-privacy .privacy-rail {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.page-privacy .privacy-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--index);
}

.page-privacy .rail {
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 5px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--index);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms linear, border-color 200ms linear;
}

.page-privacy .rail__link .mono {
  color: inherit;
  font-size: 11px;
  opacity: 0.8;
}

.page-privacy .rail__link:hover,
.page-privacy .rail__link:focus-visible {
  color: var(--paper);
}

.page-privacy .rail__link.is-active,
.page-privacy .rail__link[aria-current="true"] {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 条款 ---------- */
.page-privacy .privacy-term + .privacy-term {
  position: relative;
  margin-top: clamp(44px, 6vw, 76px);
  padding-top: clamp(44px, 6vw, 76px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-term + .privacy-term::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 52px;
  height: 2px;
  background: var(--amber);
}

.page-privacy .privacy-term__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

.page-privacy .privacy-term__num {
  flex: none;
  padding-top: 8px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-privacy .privacy-term__kicker {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--index);
}

.page-privacy .privacy-term__title {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
  font-weight: 700;
}

.page-privacy .privacy-term__body p {
  margin: 0 0 16px;
  max-width: var(--pv-measure);
  color: var(--muted);
  line-height: 1.78;
}

.page-privacy .privacy-term__body p:last-of-type {
  margin-bottom: 12px;
}

.page-privacy .privacy-term__body a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 160, 255, 0.4);
}

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

.page-privacy .privacy-key {
  font-style: normal;
  font-weight: 700;
  color: var(--amber);
  border-bottom: 1px solid rgba(255, 179, 0, 0.45);
  padding-bottom: 1px;
}

/* ---------- 信息范围列表 ---------- */
.page-privacy .privacy-list {
  margin: 0;
}

.page-privacy .privacy-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0 20px 14px;
  border-top: 1px solid var(--line);
  position: relative;
}

.page-privacy .privacy-list__row::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 0;
  width: 4px;
  height: 4px;
  background: var(--amber);
}

.page-privacy .privacy-list__row:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .privacy-list__row:first-child::before {
  top: 4px;
}

.page-privacy .privacy-list__key {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-privacy .privacy-list__key .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-privacy .privacy-list__text {
  margin: 0;
  max-width: var(--pv-measure);
  color: var(--muted);
  line-height: 1.78;
}

/* ---------- 步骤 ---------- */
.page-privacy .privacy-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-privacy .privacy-steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-top: 1px dashed var(--line);
}

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

.page-privacy .privacy-steps__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding-top: 4px;
}

.page-privacy .privacy-steps p {
  margin: 0;
  max-width: var(--pv-measure);
  color: var(--paper);
  line-height: 1.7;
}

/* ---------- 章末小按钮 ---------- */
.page-privacy .privacy-up {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--index);
  text-decoration: none;
  transition: color 200ms linear, border-color 200ms linear;
}

.page-privacy .privacy-up:hover,
.page-privacy .privacy-up:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-privacy .privacy-list__row {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    padding-left: 18px;
  }

  .page-privacy .privacy-list__key {
    font-size: 17px;
  }
}

/* ---------- 桌面：常驻左栏 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-body__grid {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: var(--pv-gap);
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--hdr) + 28px);
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 0 0 0 20px;
  }

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

  .page-privacy .rail__link {
    white-space: normal;
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -22px;
    padding: 7px 0 7px 20px;
    transition: color 200ms linear, border-color 200ms linear;
  }

  .page-privacy .rail__link.is-active,
  .page-privacy .rail__link[aria-current="true"] {
    border-left-color: var(--amber);
    border-bottom-color: transparent;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1200px) {
  .page-privacy .privacy-body__grid {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .page-privacy .privacy-term__body p,
  .page-privacy .privacy-list__text {
    font-size: 17px;
  }
}

/* ---------- 窄屏收紧 ---------- */
@media (max-width: 520px) {
  .page-privacy .privacy-hero__frame {
    border-left-width: 2px;
  }

  .page-privacy .privacy-term__head {
    gap: 12px;
  }

  .page-privacy .privacy-steps li {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .rail__link,
  .page-privacy .privacy-up,
  .page-privacy .privacy-term__body a {
    transition: none;
  }
}