.page-privacy {
  --pv-rule: var(--paper-line);
  --pv-measure: 34em;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-privacy .privacy-shell {
  max-width: 880px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-block: clamp(28px, 5vw, 56px) clamp(22px, 3.5vw, 36px);
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(2.4rem, 7.5vw, 4.2rem);
  letter-spacing: 0.06em;
  line-height: 1.06;
  color: var(--felt);
  margin: 0.32em 0 0.4em;
}

.page-privacy .privacy-lede {
  max-width: var(--pv-measure);
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--score);
}

/* ---------- 页首纹理图 ---------- */
.page-privacy .privacy-banner {
  max-width: 880px;
  margin: clamp(20px, 3vw, 32px) auto clamp(8px, 2vw, 16px);
  padding-inline: var(--gutter);
  border: 0;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  border: 2px solid var(--felt);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: var(--ivory-soft);
}

/* ---------- 正文区 ---------- */
.page-privacy .privacy-body {
  padding-top: clamp(32px, 5vw, 56px);
}

.page-privacy .privacy-sec {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  padding-block: clamp(30px, 4.5vw, 52px);
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .privacy-sec:first-of-type {
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .sec-main {
  min-width: 0;
  overflow-wrap: break-word;
}

/* ---------- 左侧刻度 ---------- */
.page-privacy .sec-rail {
  position: relative;
  padding-left: 18px;
}

.page-privacy .sec-rail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 8px;
  height: 12px;
  border-left: 1px solid var(--pv-rule);
  border-top: 1px solid var(--pv-rule);
  background-image: repeating-linear-gradient(
    to bottom,
    var(--pv-rule) 0 1px,
    transparent 1px 5px
  );
}

.page-privacy .sec-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--felt);
}

/* ---------- 标题与正文 ---------- */
.page-privacy .sec-main h2 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(1.3rem, 3.2vw, 1.7rem);
  letter-spacing: 0.02em;
  line-height: 1.35;
  color: var(--felt);
  margin: 0 0 0.7em;
}

.page-privacy .sec-sub {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.06em;
  color: var(--felt);
  margin: 1.7em 0 0.55em;
}

.page-privacy .sec-main p {
  max-width: var(--pv-measure);
  margin: 0 0 1em;
  font-size: 1.0625rem;
  line-height: 1.9;
}

.page-privacy .sec-main p:last-child {
  margin-bottom: 0;
}

.page-privacy .muted {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--score);
}

.page-privacy .sec-main a {
  color: var(--felt);
  text-decoration: none;
  border-bottom: 1px solid var(--paper-line);
}

.page-privacy .sec-main a:hover,
.page-privacy .sec-main a:focus-visible {
  border-bottom-color: var(--felt);
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 1.4em;
  padding: 0;
  max-width: var(--pv-measure);
}

.page-privacy .privacy-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-block: 9px;
  border-bottom: 1px dashed var(--pv-rule);
  font-size: 1rem;
  line-height: 1.7;
}

.page-privacy .privacy-list li:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-list .chip-dot {
  flex: 0 0 auto;
  margin-top: 0.5em;
}

/* ---------- 用途列表 ---------- */
.page-privacy .privacy-uses {
  margin: 0.4em 0 0;
  max-width: var(--pv-measure);
}

.page-privacy .use-row {
  padding-block: 14px;
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .use-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .use-row dt {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--felt);
  margin-bottom: 4px;
}

.page-privacy .use-row dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--score);
}

/* ---------- 联系渠道（全页唯一强调色） ---------- */
.page-privacy .contact-callout {
  max-width: var(--pv-measure);
  margin: 1.5em 0 1.4em;
  padding: 18px 20px;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  background: var(--lamp);
}

.page-privacy .contact-callout p {
  margin: 0 0 0.6em;
}

.page-privacy .contact-callout p:last-child {
  margin-bottom: 0;
}

.page-privacy .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
}

.page-privacy .contact-line a {
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  border-bottom: 1px solid var(--gold);
  word-break: break-all;
}

.page-privacy .contact-line a:hover,
.page-privacy .contact-line a:focus-visible {
  border-bottom-color: var(--ink);
}

/* ---------- 主体信息 ---------- */
.page-privacy .entity-list {
  margin: 0.4em 0 1.4em;
  max-width: var(--pv-measure);
}

.page-privacy .entity-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding-block: 11px;
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .entity-row:last-child {
  border-bottom: 0;
}

.page-privacy .entity-row dt {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--score);
}

.page-privacy .entity-row dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-privacy .entity-row .num {
  font-family: var(--font-mono);
  font-size: 1.15em;
  letter-spacing: 0.04em;
}

/* ---------- 折叠面板 ---------- */
.page-privacy .fold {
  max-width: var(--pv-measure);
  margin-top: 1.4em;
  border: 1px solid var(--pv-rule);
  border-radius: var(--radius);
  background: var(--ivory-soft);
}

.page-privacy .fold > summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 18px;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--felt);
}

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

.page-privacy .fold[open] > summary {
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .fold-body {
  padding: 14px 18px 16px;
}

.page-privacy .fold-body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .back-top-wrap {
  margin: 0;
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--pv-rule);
  text-align: right;
}

.page-privacy .back-top {
  display: inline-block;
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  color: var(--felt);
  text-decoration: none;
  border-bottom: 1px solid var(--paper-line);
  padding-bottom: 2px;
}

.page-privacy .back-top:hover,
.page-privacy .back-top:focus-visible {
  border-bottom-color: var(--felt);
}

/* ---------- 可见焦点环 ---------- */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 880px) {
  .page-privacy .privacy-sec {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 0 36px;
    padding-block: clamp(38px, 5vw, 60px);
  }

  .page-privacy .sec-rail {
    padding-left: 20px;
    align-self: start;
  }

  .page-privacy .sec-rail::before {
    top: 0;
    bottom: 0;
    height: auto;
    border-top: 0;
    background-image: repeating-linear-gradient(
      to bottom,
      var(--pv-rule) 0 1px,
      transparent 1px 12px
    );
  }

  .page-privacy .entity-row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 0 20px;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}