/* ===== 隐私中心 /privacy-center/ ===== */
.page-privacy {
  --prv-body: 656px;
  --prv-idx: 210px;
  --prv-hair: rgba(18, 16, 12, .13);
  --prv-hair-dark: rgba(154, 167, 164, .22);
}

.page-privacy #prv-top {
  display: block;
  height: 0;
}

/* --- 首屏 --- */
.page-privacy .prv-masthead {
  position: relative;
  background-color: var(--ink-900);
  background-image:
    radial-gradient(115% 88% at 90% 6%, rgba(31, 107, 255, .24), transparent 62%),
    radial-gradient(78% 68% at 2% 98%, rgba(15, 35, 28, .95), transparent 72%);
  color: var(--paper-050);
  padding: 40px 0 54px;
  overflow: hidden;
}

.page-privacy .prv-masthead .crumbs {
  margin: 0 0 30px;
}

.page-privacy .prv-masthead .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--silver-400);
}

.page-privacy .prv-masthead .crumbs a {
  color: var(--volt-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease;
}

.page-privacy .prv-masthead .crumbs a:hover {
  border-bottom-color: var(--volt-200);
}

.page-privacy .prv-kicker {
  margin: 0 0 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--volt-200);
}

.page-privacy .prv-kicker::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--volt-500);
}

.page-privacy .prv-title {
  margin: 0 0 22px;
  max-width: 15em;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 52px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-privacy .prv-lede {
  margin: 0;
  max-width: 33em;
  font-size: 16.5px;
  line-height: 1.9;
  color: rgba(246, 243, 236, .84);
}

.page-privacy .prv-meta {
  margin: 26px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--silver-400);
}

/* --- 顶部通栏抽象图 --- */
.page-privacy .prv-hero {
  margin: 0;
  line-height: 0;
  background-color: var(--ink-900);
  border-bottom: 1px solid var(--prv-hair-dark);
}

.page-privacy .prv-hero img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(150px, 26vw, 268px);
  object-fit: cover;
}

/* --- 阅读区骨架 --- */
.page-privacy .prv-shell {
  display: grid;
  gap: 34px;
  align-items: start;
}

@media (min-width: 900px) {
  .page-privacy .prv-shell {
    grid-template-columns: var(--prv-idx) minmax(0, 1fr);
    gap: 64px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .prv-shell {
    gap: 80px;
  }
}

/* --- 目录索引 --- */
.page-privacy .prv-index-label {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--silver-400);
}

.page-privacy .prv-index-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 14px;
  margin: 0;
  padding: 2px 0 4px;
  list-style: none;
  border-bottom: 1px solid var(--prv-hair);
}

.page-privacy .prv-idx-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .prv-idx-num {
  flex: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--volt-700);
}

.page-privacy .prv-idx-link:hover,
.page-privacy .prv-idx-link:focus-visible {
  color: var(--volt-700);
  border-bottom-color: var(--volt-500);
}

@media (min-width: 900px) {
  .page-privacy .prv-index {
    position: sticky;
    top: 92px;
  }

  .page-privacy .prv-index-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 0;
    border-bottom: 0;
    border-left: 1px solid var(--prv-hair);
  }

  .page-privacy .prv-idx-link {
    padding: 9px 0 9px 14px;
    margin-left: -1px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .page-privacy .prv-idx-link:hover,
  .page-privacy .prv-idx-link:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--volt-500);
  }
}

/* --- 正文栏 --- */
.page-privacy .prv-body {
  max-width: var(--prv-body);
  min-width: 0;
}

.page-privacy .prv-sec {
  padding: 32px 0 4px;
  border-top: 1px solid var(--prv-hair);
  scroll-margin-top: 84px;
}

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

.page-privacy .prv-sec-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(21px, 2.7vw, 27px);
  line-height: 1.45;
  color: var(--ink-text);
}

.page-privacy .prv-sec-num {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--volt-700);
}

.page-privacy .prv-sec-title > span:last-child {
  min-width: 0;
}

.page-privacy .prv-text {
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.92;
  color: var(--ink-text);
}

.page-privacy .prv-text a {
  color: var(--volt-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 107, 255, .3);
  transition: border-color 160ms ease, color 160ms ease;
}

.page-privacy .prv-text a:hover {
  color: var(--volt-500);
  border-bottom-color: var(--volt-500);
}

/* --- 分点列表 --- */
.page-privacy .prv-points {
  display: grid;
  gap: 20px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-points > li {
  position: relative;
  padding-left: 26px;
  font-size: 16.5px;
  line-height: 1.86;
  color: var(--ink-text);
}

.page-privacy .prv-points > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 14px;
  height: 2px;
  background: var(--volt-500);
}

.page-privacy .prv-key {
  display: block;
  margin-bottom: 3px;
  font-weight: 600;
  color: var(--ink-text);
}

/* --- 提示块 --- */
.page-privacy .prv-note {
  margin: 22px 0 24px;
  padding: 18px 20px 18px 22px;
  background: rgba(154, 167, 164, .15);
  border-left: 3px solid var(--volt-500);
  border-radius: 0 3px 3px 0;
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--ink-800);
}

.page-privacy .prv-note a {
  color: var(--volt-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 107, 255, .3);
}

.page-privacy .prv-note a:hover {
  border-bottom-color: var(--volt-500);
}

/* --- 联系条目 --- */
.page-privacy .prv-contact {
  display: grid;
  gap: 0;
  margin: 22px 0 4px;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-contact > li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--prv-hair);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-text);
}

.page-privacy .prv-contact-key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--silver-400);
}

.page-privacy .prv-mono {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .01em;
  word-break: break-all;
}

/* --- 回到顶部 --- */
.page-privacy .prv-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 40px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .prv-back::before {
  content: "↑";
  font-size: 14px;
  line-height: 1;
}

.page-privacy .prv-back:hover,
.page-privacy .prv-back:focus-visible {
  color: var(--volt-700);
  border-bottom-color: var(--volt-500);
}

/* --- 尾部延伸阅读 --- */
.page-privacy .prv-more-title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.4;
  color: var(--paper-050);
}

.page-privacy .prv-more-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-more-list > li {
  border-top: 1px solid var(--prv-hair-dark);
}

.page-privacy .prv-more-list > li:last-child {
  border-bottom: 1px solid var(--prv-hair-dark);
}

.page-privacy .prv-more-link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 20px;
  padding: 18px 0;
  text-decoration: none;
}

.page-privacy .prv-more-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  color: var(--paper-050);
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-privacy .prv-more-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver-400);
}

.page-privacy .prv-more-link:hover .prv-more-name,
.page-privacy .prv-more-link:focus-visible .prv-more-name {
  color: var(--volt-200);
  border-bottom-color: var(--volt-200);
}

/* --- 降低动效偏好 --- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-idx-link,
  .page-privacy .prv-text a,
  .page-privacy .prv-note a,
  .page-privacy .prv-back,
  .page-privacy .prv-more-name {
    transition: none;
  }
}

/* --- 窄屏兜底 --- */
@media (max-width: 359px) {
  .page-privacy .prv-index-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .prv-contact > li {
    grid-template-columns: minmax(0, 1fr);
  }
}