.page-privacy {
  --pp-grid: rgba(169, 182, 194, .14);
  --pp-grid-strong: rgba(169, 182, 194, .26);
  --pp-body-text: #3B434B;
  background: var(--snow);
  color: var(--ink);
}

/* ---------- 首屏：技术蓝图底板 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  background: var(--graphite);
  color: var(--snow);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--pp-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pp-grid) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: .6;
  pointer-events: none;
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -70px;
  width: 68%;
  height: 140px;
  background: linear-gradient(90deg, rgba(74, 159, 216, .30), rgba(46, 211, 198, 0));
  transform: skewY(-3.4deg);
  pointer-events: none;
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 1;
  padding: clamp(28px, 5vw, 54px) 0 clamp(38px, 6vw, 76px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-privacy .pp-hero__text > * {
  min-width: 0;
}

.page-privacy .breadcrumbs__link {
  color: var(--glacier);
}

.page-privacy .breadcrumbs__link:hover {
  color: var(--pulse);
}

.page-privacy .breadcrumbs__current {
  color: var(--snow);
}

.page-privacy .pp-hero .eyebrow {
  margin-top: 20px;
}

.page-privacy .pp-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 6.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-privacy .pp-hero__lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.78;
  color: var(--glacier);
}

.page-privacy .pp-metrics {
  list-style: none;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 18px 20px;
}

.page-privacy .pp-metrics__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--pulse);
}

.page-privacy .pp-metrics__label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--glacier);
}

.page-privacy .pp-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-privacy .pp-hero__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--pp-grid-strong);
  background: linear-gradient(150deg, rgba(74, 159, 216, .24), rgba(20, 35, 58, .5) 60%, rgba(46, 211, 198, .10));
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-privacy .pp-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-privacy .pp-shield {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: auto;
  padding: 8px;
  background: rgba(14, 17, 22, .62);
  border: 1px solid var(--pp-grid-strong);
}

.page-privacy .pp-hero__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--glacier);
}

/* ---------- 条款正文与侧边索引 ---------- */
.page-privacy .pp-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: clamp(30px, 5vw, 62px) 0 clamp(46px, 7vw, 88px);
}

.page-privacy .pp-body > * {
  min-width: 0;
}

.page-privacy .pp-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

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

.page-privacy .pp-index__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border: 1px solid var(--line-dark);
  background: #FFFFFF;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .22s var(--ease), background .22s var(--ease), color .22s var(--ease);
}

.page-privacy .pp-index__link:hover,
.page-privacy .pp-index__link:focus-visible {
  border-color: var(--ice);
  background: var(--frost);
}

.page-privacy .pp-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lava);
}

.page-privacy .pp-articles {
  min-width: 0;
}

.page-privacy .pp-clause {
  border-top: 1px solid var(--line-dark);
  padding-top: 20px;
  margin-top: 30px;
  scroll-margin-top: 104px;
}

.page-privacy .pp-clause:first-child {
  margin-top: 0;
}

.page-privacy .pp-clause__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding-bottom: 4px;
}

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

.page-privacy .pp-clause__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lava);
  transition: color .22s var(--ease);
}

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

.page-privacy .pp-clause__head:hover::after {
  color: var(--ice);
}

.page-privacy .pp-clause__head:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 4px;
}

.page-privacy .pp-clause__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--lava);
}

.page-privacy .pp-clause__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--ink);
}

.page-privacy .pp-clause__body {
  padding-top: 14px;
}

.page-privacy .pp-clause__lead {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pp-body-text);
}

.page-privacy .pp-terms {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-privacy .pp-terms dt {
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  padding-left: 10px;
  border-left: 3px solid var(--ice);
}

.page-privacy .pp-terms dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-body-text);
}

.page-privacy .pp-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-points > li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-body-text);
}

.page-privacy .pp-points > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 2px;
  background: var(--lava);
}

.page-privacy .pp-points strong {
  color: var(--ink);
  font-weight: 700;
}

.page-privacy .pp-link {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(74, 159, 216, .5);
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-privacy .pp-link:hover {
  color: var(--lava);
  border-color: var(--lava);
}

.page-privacy .pp-note {
  margin: 18px 0 0;
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--glacier);
  font-size: 14px;
  line-height: 1.7;
  color: var(--glacier);
}

/* ---------- 底部联系带 ---------- */
.page-privacy .pp-callout {
  background: var(--night);
  color: var(--snow);
  padding: clamp(34px, 5vw, 62px) 0;
}

.page-privacy .pp-callout__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-privacy .pp-callout__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 0;
}

.page-privacy .pp-callout__para {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--glacier);
}

.page-privacy .pp-callout__panel {
  border: 1px solid var(--line);
  background: rgba(14, 17, 22, .5);
  padding: 22px;
  display: grid;
  gap: 16px;
  align-content: start;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-privacy .pp-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-privacy .pp-contact-row__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--pulse);
}

.page-privacy .pp-contact-row__value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--snow);
  word-break: break-all;
}

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

/* ---------- 桌面断点 ---------- */
@media (min-width: 720px) {
  .page-privacy .pp-terms {
    grid-template-columns: 190px minmax(0, 1fr);
    column-gap: 26px;
    row-gap: 20px;
  }

  .page-privacy .pp-terms dd {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    column-gap: 52px;
  }

  .page-privacy .pp-hero__title {
    max-width: 15ch;
  }

  .page-privacy .pp-callout__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
    column-gap: 52px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pp-body {
    grid-template-columns: 236px minmax(0, 1fr);
    column-gap: 58px;
    align-items: start;
  }

  .page-privacy .pp-index {
    position: sticky;
    top: 104px;
  }

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

  .page-privacy .pp-index__list > li {
    flex: 0 1 auto;
  }

  .page-privacy .pp-index__link {
    display: flex;
    width: 100%;
    border: 0;
    border-left: 2px solid var(--line-dark);
    background: transparent;
    padding: 11px 12px;
  }

  .page-privacy .pp-index__link:hover,
  .page-privacy .pp-index__link:focus-visible {
    border-left-color: var(--lava);
    background: var(--frost);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index__link,
  .page-privacy .pp-clause__head::after,
  .page-privacy .pp-link {
    transition: none;
  }
}