.page-privacy {
  --pp-idx: 236px;
  --pp-cut: 14px;
  position: relative;
  background: var(--ink-900);
  color: var(--body-text);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(12, 36, 64, .95) 0%, rgba(7, 26, 47, .98) 100%),
    linear-gradient(rgba(30, 58, 90, .34) 1px, transparent 1px) 0 0 / 68px 68px,
    linear-gradient(90deg, rgba(30, 58, 90, .34) 1px, transparent 1px) 0 0 / 68px 68px,
    var(--ink-900);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(38%, 420px);
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange) 70%, transparent);
  pointer-events: none;
}

.page-privacy .pp-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
  padding-block: clamp(26px, 4.2vw, 52px) clamp(34px, 5vw, 66px);
}

.page-privacy .pp-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  background: rgba(15, 163, 142, .12);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .08em;
  text-transform: uppercase;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.page-privacy .pp-kicker .mono {
  color: var(--clay);
}

.page-privacy h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: var(--step-3);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ice);
}

.page-privacy .pp-hero__copy .lede {
  margin: 0 0 24px;
  max-width: 60ch;
  color: var(--body-text);
}

.page-privacy .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .pp-hero__fig {
  margin: 0;
}

/* ---------- 主体分栏 ---------- */
.page-privacy .pp-body {
  display: grid;
  gap: clamp(24px, 3.5vw, 52px);
  padding-top: clamp(28px, 4.5vw, 60px);
}

/* ---------- 条款索引 ---------- */
.page-privacy .pp-index__head {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--slate);
  font-size: var(--step--1);
  letter-spacing: .1em;
}

.page-privacy .pp-index__head .mono {
  color: var(--orange);
  margin-right: 8px;
}

.page-privacy .pp-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pp-index__list::-webkit-scrollbar {
  display: none;
}

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

.page-privacy .pp-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: var(--ink-850);
  color: var(--body-text);
  font-size: var(--step--1);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}

.page-privacy .pp-index__list a .mono {
  color: var(--clay);
}

.page-privacy .pp-index__list a:hover,
.page-privacy .pp-index__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(39, 242, 210, .08);
}

.page-privacy .pp-index__foot {
  display: none;
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--clay);
  background: rgba(181, 84, 45, .1);
  color: var(--slate);
  font-size: var(--step--1);
  line-height: 1.7;
}

.page-privacy .pp-index__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 242, 210, .4);
}

/* ---------- 条款条目 ---------- */
.page-privacy .pp-sections {
  min-width: 0;
}

.page-privacy .pp-sec {
  scroll-margin-top: calc(var(--bar-h) + 24px);
  padding-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

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

.page-privacy .pp-sec + .pp-sec {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-privacy .pp-sec__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  align-items: baseline;
  margin-bottom: 16px;
}

.page-privacy .pp-sec__num {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--clay);
  letter-spacing: .04em;
  line-height: 1;
}

.page-privacy .pp-sec__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--step-2);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-privacy .pp-sec__note {
  grid-column: 2;
  margin: 6px 0 0;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .04em;
}

.page-privacy .pp-p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: var(--step-0);
  line-height: 1.85;
  color: var(--body-text);
}

/* ---------- 折叠面板 ---------- */
.page-privacy .pp-fold {
  margin-top: 14px;
  background: var(--ink-850);
  clip-path: polygon(var(--pp-cut) 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%, 0 var(--pp-cut));
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-privacy .pp-fold__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 20px;
  cursor: pointer;
  list-style: none;
  color: var(--ice);
  font-family: var(--font-head);
  font-size: var(--step-0);
  font-weight: 700;
  letter-spacing: .01em;
}

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

.page-privacy .pp-fold__sum::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  font-weight: 400;
  color: var(--cyan);
  line-height: 1;
}

.page-privacy .pp-fold[open] .pp-fold__sum::after {
  content: "–";
  color: var(--orange);
}

.page-privacy .pp-fold__sum:hover,
.page-privacy .pp-fold__sum:focus-visible {
  color: var(--cyan);
}

.page-privacy .pp-fold__body {
  padding: 0 20px 18px;
  border-top: 1px solid var(--line);
}

/* ---------- 键值行 ---------- */
.page-privacy .pp-rows {
  display: block;
}

.page-privacy .pp-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(30, 58, 90, .9);
}

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

.page-privacy .pp-row__k {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .05em;
  line-height: 1.6;
}

.page-privacy .pp-row__v {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--body-text);
}

.page-privacy .pp-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 242, 210, .45);
  word-break: break-all;
}

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

/* ---------- 窄注释 ---------- */
.page-privacy .pp-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  max-width: 68ch;
  border-left: 3px solid var(--clay);
  background: rgba(181, 84, 45, .1);
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--body-text);
}

.page-privacy .pp-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 242, 210, .45);
  margin: 0 2px;
}

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

/* ---------- 联系区块 ---------- */
.page-privacy .pp-contact {
  margin-top: clamp(24px, 3.5vw, 36px);
  padding: clamp(18px, 2.6vw, 28px);
  background: linear-gradient(160deg, rgba(12, 36, 64, .96), rgba(7, 26, 47, .96));
  clip-path: polygon(var(--pp-cut) 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%, 0 var(--pp-cut));
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-privacy .pp-contact__lead {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--ice);
  line-height: 1.4;
}

.page-privacy .pp-contact .pp-row {
  border-bottom-color: rgba(30, 58, 90, .7);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-row {
    grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-privacy .pp-sec__note {
    margin-top: 8px;
  }
}

@media (min-width: 980px) {
  .page-privacy .pp-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-privacy .pp-body {
    grid-template-columns: var(--pp-idx) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pp-index {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    padding-right: 8px;
    border-right: 1px solid var(--line);
  }

  .page-privacy .pp-index__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

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

  .page-privacy .pp-index__list a {
    display: flex;
    width: 100%;
    padding: 10px 12px;
    border-color: transparent;
    border-left: 2px solid transparent;
    background: transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .pp-index__list a:hover,
  .page-privacy .pp-index__list a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(39, 242, 210, .07);
  }

  .page-privacy .pp-index__foot {
    display: block;
  }
}

@media (min-width: 1240px) {
  .page-privacy {
    --pp-idx: 268px;
  }
}

/* ---------- 动效与无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index__list a,
  .page-privacy .pp-fold__sum,
  .page-privacy .pp-link {
    transition: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #fff;
    color: #111;
  }

  .page-privacy .pp-hero {
    background: none;
    border-bottom: 1px solid #999;
  }

  .page-privacy .pp-hero::after,
  .page-privacy .pp-index,
  .page-privacy .pp-hero__actions,
  .page-privacy .pp-hero__fig {
    display: none;
  }

  .page-privacy h1,
  .page-privacy .pp-sec__title,
  .page-privacy .pp-contact__lead,
  .page-privacy .pp-fold__sum {
    color: #111;
  }

  .page-privacy .pp-body {
    display: block;
  }

  .page-privacy .pp-fold,
  .page-privacy .pp-contact {
    clip-path: none;
    box-shadow: none;
    border: 1px solid #bbb;
    background: none;
  }

  .page-privacy .pp-note {
    background: none;
  }
}