.page-privacy {
  --pp-ice: var(--ice-600);
  --pp-ice-l: var(--ice-300);
  --pp-amber: var(--amber-400);
  --pp-coral: var(--coral-500);
  --pp-paper: var(--paper-100);
  --pp-stone: var(--stone-400);
  --pp-pine: var(--pine-700);
  --pp-moss: var(--moss-600);
  --pp-doc-w: 780px;
  display: block;
  background: var(--ink-800);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
}

.page-privacy a {
  color: var(--pp-ice-l);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 212, 227, 0.35);
}

.page-privacy a:hover {
  color: var(--pp-amber);
  border-bottom-color: var(--pp-amber);
}

/* 面包屑 */
.page-privacy .pp-crumbs-wrap {
  padding-top: clamp(16px, 3vw, 28px);
  background: var(--pine-900);
}

.page-privacy .pp-crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--pp-stone);
}

/* 首屏 */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-2);
  background:
    radial-gradient(120% 150% at 84% -16%, rgba(46, 143, 168, 0.30), transparent 62%),
    linear-gradient(180deg, var(--pine-700) 0%, var(--ink-800) 82%);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(138, 212, 227, 0.12) 0 1px, transparent 1px 28px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(38px, 7vw, 84px) clamp(30px, 5vw, 58px);
}

.page-privacy .pp-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pp-ice-l);
}

.page-privacy .pp-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(30px, 6.6vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.005em;
  color: var(--pp-paper);
}

.page-privacy .pp-hero__lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 46ch;
  font-size: 16.5px;
  color: #C3D2D0;
}

.page-privacy .pp-hero__meta {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
}

.page-privacy .pp-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 12px;
  border-left: 2px solid rgba(138, 212, 227, 0.38);
}

.page-privacy .pp-hero__k {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pp-stone);
}

.page-privacy .pp-hero__v {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--pp-amber);
}

/* 布局 */
.page-privacy .pp-layout {
  padding-block: clamp(26px, 4.5vw, 52px) clamp(52px, 8vw, 96px);
}

.page-privacy .pp-rail {
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-privacy .pp-rail__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--pp-stone);
}

.page-privacy .pp-rail__list {
  list-style: none;
  margin: 0;
  padding: 2px 0 10px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pp-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  white-space: nowrap;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(30, 83, 72, 0.22);
  font-size: 13px;
  color: var(--text-dim);
}

.page-privacy .pp-rail__link:hover,
.page-privacy .pp-rail__link:focus-visible {
  border-color: var(--pp-ice);
  background: rgba(46, 143, 168, 0.18);
  color: var(--pp-paper);
}

.page-privacy .pp-rail__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--pp-ice-l);
}

.page-privacy .pp-rail__top {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--pp-stone);
  border-bottom: 1px dashed rgba(141, 154, 153, 0.5);
}

/* 正文 */
.page-privacy .pp-doc {
  max-width: var(--pp-doc-w);
}

.page-privacy .pp-sec {
  scroll-margin-top: 28px;
  padding-block: clamp(24px, 3.6vw, 40px);
  border-top: 1px solid var(--line);
}

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

.page-privacy .pp-sec__title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(21px, 3.4vw, 31px);
  line-height: 1.2;
  color: var(--pp-paper);
}

.page-privacy .pp-sec__no {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 9px;
  background: var(--pp-ice);
  color: #04161C;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 11px 100%, 0 calc(100% - 11px));
}

.page-privacy .pp-sec__lead {
  margin: 0 0 8px;
  max-width: 52ch;
  font-size: 16.5px;
  color: #C3D2D0;
}

.page-privacy .pp-sec__foot {
  margin: 22px 0 0;
  font-size: 15px;
  color: var(--text-dim);
}

.page-privacy .pp-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 16px 0;
  border-top: 1px dashed rgba(138, 212, 227, 0.16);
}

.page-privacy .pp-item__no {
  grid-column: 1;
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--pp-ice-l);
}

.page-privacy .pp-item__title {
  grid-column: 1;
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--pp-paper);
}

.page-privacy .pp-item__body {
  grid-column: 1;
  margin: 0;
  color: var(--text);
}

.page-privacy .pp-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  background: rgba(237, 231, 218, 0.06);
  border-left: 3px solid var(--pp-ice);
  font-size: 15px;
  color: #CBD8D6;
}

.page-privacy .pp-note--warn {
  border-left-color: var(--pp-coral);
  background: rgba(228, 89, 63, 0.10);
  color: #F0D6CF;
}

/* 通栏图 */
.page-privacy .pp-figure {
  position: relative;
  margin: clamp(26px, 4.5vw, 46px) 0;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  background: var(--pine-900);
}

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

.page-privacy .pp-figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 9px 14px;
  background: rgba(8, 19, 26, 0.74);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--pp-paper);
}

/* 折叠组 */
.page-privacy .pp-acc {
  margin-top: 18px;
  border-top: 1px solid var(--line-2);
}

.page-privacy .pp-acc__item {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-acc__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--pp-paper);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  transition: color var(--t) var(--ease);
}

.page-privacy .pp-acc__trigger::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--pp-ice-l);
}

.page-privacy .pp-acc__trigger[aria-expanded="true"]::after {
  content: "\2013";
  color: var(--pp-amber);
}

.page-privacy .pp-acc__trigger:hover {
  color: var(--pp-ice-l);
}

.page-privacy .pp-acc__trigger:focus-visible {
  outline: 2px solid var(--pp-ice-l);
  outline-offset: 2px;
}

.page-privacy .pp-acc__no {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  padding: 3px 7px;
  background: rgba(46, 143, 168, 0.2);
  border: 1px solid rgba(138, 212, 227, 0.32);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--pp-ice-l);
}

.page-privacy .pp-acc__panel {
  padding: 0 0 18px 54px;
}

.page-privacy .pp-acc__panel p {
  margin: 0;
  font-size: 15.5px;
  color: var(--text);
}

/* 联系信息 */
.page-privacy .pp-contact {
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pp-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-contact__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pp-stone);
}

.page-privacy .pp-contact__v {
  margin: 0;
  font-size: 16px;
  color: var(--text);
}

.page-privacy .pp-contact__v--strong {
  font-weight: 600;
  color: var(--pp-paper);
}

.page-privacy .pp-contact__v--mono {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--pp-amber);
}

/* 中屏以上 */
@media (min-width: 640px) {
  .page-privacy .pp-item {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 0 16px;
  }

  .page-privacy .pp-item__no {
    grid-column: 1;
    margin: 3px 0 0;
  }

  .page-privacy .pp-item__title,
  .page-privacy .pp-item__body {
    grid-column: 2;
  }

  .page-privacy .pp-contact__row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

/* 宽屏：左侧章节轨道 */
@media (min-width: 1000px) {
  .page-privacy .pp-layout {
    display: grid;
    grid-template-columns: 218px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 62px);
    align-items: start;
  }

  .page-privacy .pp-rail {
    position: sticky;
    top: 32px;
    margin-bottom: 0;
    padding-right: 18px;
    border-right: 1px solid var(--line);
  }

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

  .page-privacy .pp-rail__link {
    white-space: normal;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    padding: 8px 10px;
    font-size: 13.5px;
  }

  .page-privacy .pp-rail__link:hover,
  .page-privacy .pp-rail__link:focus-visible {
    border-left-color: var(--pp-amber);
    background: linear-gradient(90deg, rgba(46, 143, 168, 0.22), transparent 92%);
    color: var(--pp-paper);
  }

  .page-privacy .pp-sec {
    scroll-margin-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-acc__trigger {
    transition: none;
  }
}