.page-privacy {
  --pp-pad: 20px;
  --pp-measure: 62ch;
  --pp-stick: 8px;
  display: block;
  background: var(--z9-ink);
  color: var(--z9-paper);
}

.page-privacy .pp-shell {
  width: 100%;
  max-width: var(--z9-wrap);
  margin-inline: auto;
  padding-inline: var(--pp-pad);
}

/* ============ 页头 ============ */
.page-privacy .pp-head {
  position: relative;
  overflow: hidden;
  padding: 56px 0 44px;
  background: #0A1C17;
  border-bottom: 1px solid var(--z9-line);
}

.page-privacy .pp-head::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--z9-heat-1) 0 20%,
    var(--z9-heat-2) 20% 40%,
    var(--z9-heat-3) 40% 60%,
    var(--z9-heat-4) 60% 80%,
    var(--z9-heat-5) 80% 100%
  );
}

.page-privacy .pp-head__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.65) contrast(1.15);
}

.page-privacy .pp-head__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 84% 10%, rgba(59, 240, 200, .16), transparent 58%),
    linear-gradient(180deg, rgba(10, 28, 23, .74), rgba(10, 28, 23, .97));
}

.page-privacy .pp-head__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pp-kicker {
  margin: 22px 0 12px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--z9-orange);
  text-transform: none;
}

.page-privacy .pp-h1 {
  margin: 0;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 82px);
  line-height: .98;
  letter-spacing: -.01em;
  color: var(--z9-paper);
}

.page-privacy .pp-lede {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: 17px;
  line-height: 1.85;
  color: #C6DAD2;
}

.page-privacy .pp-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--z9-mist);
}

.page-privacy .pp-head__meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-privacy .pp-head__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--z9-cyan);
  transform: rotate(45deg) translateY(-1px);
}

/* ============ 布局 ============ */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 36px;
  padding-bottom: 88px;
}

/* ============ 目录 ============ */
.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--z9-mist);
}

.page-privacy .pp-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pp-toc__item {
  flex: 0 0 auto;
}

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--z9-line);
  border-radius: 2px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--z9-mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--z9-ease), border-color .2s var(--z9-ease), background-color .2s var(--z9-ease);
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--z9-cyan);
  border-color: var(--z9-cyan);
  background: rgba(59, 240, 200, .07);
  outline: none;
}

.page-privacy .pp-toc__num {
  font-family: var(--z9-font-mono);
  font-size: 11px;
  color: var(--z9-brick);
}

.page-privacy .pp-toc__link:hover .pp-toc__num,
.page-privacy .pp-toc__link:focus-visible .pp-toc__num {
  color: var(--z9-orange);
}

.page-privacy .pp-toc__top {
  display: none;
}

/* ============ 条款文档面 ============ */
.page-privacy .pp-doc {
  background: var(--z9-paper);
  color: #241D16;
  border: 1px solid var(--z9-line);
  border-radius: 3px;
  box-shadow: var(--z9-shadow);
  padding: 4px 0 44px;
}

.page-privacy .pp-clause {
  padding: 30px var(--pp-pad) 6px;
  scroll-margin-top: 84px;
  transition: background-color .3s var(--z9-ease);
}

.page-privacy .pp-clause:target {
  background: #EADFC9;
}

.page-privacy .pp-clause__title {
  position: sticky;
  top: var(--pp-stick);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 calc(var(--pp-pad) * -1) 18px;
  padding: 10px var(--pp-pad) 12px;
  background: var(--z9-paper);
  border-bottom: 1px solid rgba(30, 58, 50, .34);
  font-family: var(--z9-font-display);
  font-weight: 800;
  font-size: clamp(19px, 3.6vw, 27px);
  line-height: 1.22;
  letter-spacing: .005em;
  color: var(--z9-brown);
}

.page-privacy .pp-clause:target .pp-clause__title {
  background: #EADFC9;
  border-bottom-color: var(--z9-brick);
}

.page-privacy .pp-clause__num {
  flex: 0 0 auto;
  padding: 2px 7px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--z9-brick);
  transform: rotate(-1.4deg);
}

.page-privacy .pp-clause__body {
  max-width: var(--pp-measure);
  font-size: 17px;
  line-height: 1.85;
  color: #2C251D;
}

.page-privacy .pp-clause__body p {
  margin: 0 0 17px;
}

.page-privacy .pp-clause__body p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-clause__linkage {
  margin-top: 22px !important;
  padding-top: 16px;
  border-top: 1px solid rgba(30, 58, 50, .3);
  font-family: var(--z9-font-mono);
  font-size: 13px;
  letter-spacing: .03em;
  color: #5C6E68;
}

.page-privacy .pp-clause__linkage a {
  color: var(--z9-brick);
  text-decoration: none;
  border-bottom: 1px solid rgba(196, 68, 42, .45);
}

.page-privacy .pp-clause__linkage a:hover,
.page-privacy .pp-clause__linkage a:focus-visible {
  color: var(--z9-orange);
  border-bottom-color: var(--z9-orange);
}

/* ============ 数据行 ============ */
.page-privacy .pp-spec {
  margin: 22px 0 20px;
  border-top: 1px solid var(--z9-line);
}

.page-privacy .pp-spec__row {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(30, 58, 50, .26);
}

.page-privacy .pp-spec__key {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-family: var(--z9-font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--z9-brown);
}

.page-privacy .pp-spec__idx {
  font-family: var(--z9-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--z9-brick);
}

.page-privacy .pp-spec__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #3A3128;
}

/* ============ 用途列表 ============ */
.page-privacy .pp-uses {
  margin: 22px 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-privacy .pp-uses__item {
  position: relative;
  padding: 14px 0 14px 18px;
  border-left: 2px solid rgba(30, 58, 50, .3);
}

.page-privacy .pp-uses__item + .pp-uses__item {
  margin-top: 2px;
}

.page-privacy .pp-uses__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 24px;
  width: 8px;
  height: 8px;
  background: var(--z9-orange);
  transform: rotate(45deg);
}

.page-privacy .pp-uses__title {
  margin: 0 0 4px;
  font-family: var(--z9-font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--z9-brown);
}

.page-privacy .pp-uses__item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #3A3128;
}

/* ============ 保存期限 ============ */
.page-privacy .pp-keep {
  margin: 22px 0 20px;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(30, 58, 50, .3);
}

.page-privacy .pp-keep__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 20px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(30, 58, 50, .24);
}

.page-privacy .pp-keep__term {
  font-family: var(--z9-font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--z9-brown);
}

.page-privacy .pp-keep__time {
  font-family: var(--z9-font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: #4F6159;
}

/* ============ 复制条 ============ */
.page-privacy .pp-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 22px 0 20px;
  padding: 14px 16px;
  background: #E4D8C1;
  border: 1px solid var(--z9-line);
  border-left: 3px solid var(--z9-cyan);
  border-radius: 2px;
}

.page-privacy .pp-copy__value {
  font-family: var(--z9-font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--z9-brown);
  word-break: break-all;
}

.page-privacy .pp-copy__btn {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid var(--z9-brown);
  border-radius: 2px;
  background: transparent;
  font-family: var(--z9-font-body);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--z9-brown);
  cursor: pointer;
  transition: background-color .2s var(--z9-ease), color .2s var(--z9-ease), border-color .2s var(--z9-ease);
}

.page-privacy .pp-copy__btn:hover,
.page-privacy .pp-copy__btn:focus-visible {
  background: var(--z9-brown);
  color: var(--z9-paper);
  outline: none;
}

.page-privacy .pp-copy__btn[data-copied] {
  border-color: var(--z9-brick);
  color: var(--z9-brick);
  background: transparent;
}

/* ============ 折叠 ============ */
.page-privacy .pp-fold {
  margin: 24px 0 20px;
  border-top: 1px solid rgba(30, 58, 50, .3);
  border-bottom: 1px solid rgba(30, 58, 50, .3);
}

.page-privacy .pp-fold__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  font-family: var(--z9-font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--z9-brick);
  cursor: pointer;
  list-style: none;
}

.page-privacy .pp-fold__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-fold__summary::after {
  content: "+";
  margin-left: auto;
  font-size: 18px;
  line-height: 1;
  color: var(--z9-orange);
}

.page-privacy .pp-fold[open] .pp-fold__summary::after {
  content: "−";
}

.page-privacy .pp-fold__list {
  margin: 0;
  padding: 0 0 16px 20px;
  list-style: none;
}

.page-privacy .pp-fold__list li {
  position: relative;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.8;
  color: #3A3128;
}

.page-privacy .pp-fold__list li::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 12px;
  width: 6px;
  height: 1px;
  background: var(--z9-brick);
}

/* ============ 响应式 ============ */
@media (min-width: 620px) {
  .page-privacy .pp-spec__row {
    grid-template-columns: 178px minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-privacy {
    --pp-pad: 36px;
    --pp-stick: 14px;
  }
  .page-privacy .pp-head {
    padding: 76px 0 54px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pp-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 48px;
    padding-bottom: 120px;
  }
  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--z9-bar) + 28px);
  }
  .page-privacy .pp-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-privacy .pp-toc__item {
    flex: 0 0 auto;
  }
  .page-privacy .pp-toc__link {
    padding: 9px 12px 9px 14px;
    border: none;
    border-left: 1px solid var(--z9-line);
    border-radius: 0;
    white-space: normal;
    font-size: 13.5px;
  }
  .page-privacy .pp-toc__link:hover,
  .page-privacy .pp-toc__link:focus-visible {
    background: transparent;
    border-left-color: var(--z9-cyan);
  }
  .page-privacy .pp-toc__top {
    display: inline-block;
    margin-top: 22px;
    margin-left: 14px;
    font-family: var(--z9-font-mono);
    font-size: 12px;
    letter-spacing: .06em;
    color: var(--z9-mist);
    text-decoration: none;
    border-bottom: 1px solid var(--z9-line);
    padding-bottom: 2px;
    transition: color .2s var(--z9-ease), border-color .2s var(--z9-ease);
  }
  .page-privacy .pp-toc__top:hover,
  .page-privacy .pp-toc__top:focus-visible {
    color: var(--z9-cyan);
    border-bottom-color: var(--z9-cyan);
    outline: none;
  }
  .page-privacy .pp-clause {
    padding-top: 34px;
  }
  .page-privacy .pp-clause__title {
    top: calc(var(--z9-bar) + 14px);
    margin-bottom: 22px;
    padding-top: 12px;
    padding-bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-toc__top,
  .page-privacy .pp-copy__btn,
  .page-privacy .pp-clause {
    transition: none;
  }
}
</main>