.page-privacy {
  --pp-measure: 44rem;
  --pp-num-col: 3.25rem;
  --pp-nav-w: 15rem;
  position: relative;
  color: var(--c-ink);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumbs {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: clamp(1.5rem, 5vw, 3rem);
  padding-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: clamp(1.75rem, 4vw, 2.75rem);
  width: clamp(72px, 14vw, 190px);
  height: 1px;
  background: linear-gradient(90deg, rgba(52, 224, 208, 0), var(--c-cyan));
  transform: rotate(-27deg);
  transform-origin: right center;
  pointer-events: none;
}

.page-privacy .privacy-hero__lead h1 {
  margin: 0.5rem 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-privacy .privacy-hero__aside p {
  margin: 0 0 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-privacy .privacy-facts {
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .privacy-facts > div {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.5rem 0;
  border-top: 1px solid var(--c-line);
}

.page-privacy .privacy-facts > div:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .privacy-facts dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--c-mist);
  text-transform: uppercase;
}

.page-privacy .privacy-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-cyan);
}

.page-privacy .privacy-back {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}

.page-privacy .privacy-back:hover,
.page-privacy .privacy-back:focus-visible {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 顶部窄幅视觉 ---------- */
.page-privacy .privacy-visual {
  margin: 0 0 clamp(2rem, 5vw, 3.5rem);
  background: var(--c-steel);
  clip-path: polygon(
    0 0,
    calc(100% - var(--notch-lg)) 0,
    100% var(--notch-lg),
    100% 100%,
    var(--notch-lg) 100%,
    0 calc(100% - var(--notch-lg))
  );
}

.page-privacy .privacy-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 0;
}

/* ---------- 双栏结构 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

/* ---------- 右侧小节导航 ---------- */
.page-privacy .privacy-nav {
  border: 1px solid var(--c-line);
  background: var(--c-void-raise);
  padding: 0.875rem;
}

.page-privacy .privacy-nav__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
  text-transform: uppercase;
}

.page-privacy .privacy-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-nav__list::-webkit-scrollbar {
  height: 4px;
}

.page-privacy .privacy-nav__list::-webkit-scrollbar-thumb {
  background: var(--c-line);
}

.page-privacy .privacy-nav__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--c-line);
  color: var(--c-ink);
  font-size: 0.875rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-privacy .privacy-nav__list a:hover,
.page-privacy .privacy-nav__list a:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-privacy .privacy-nav__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

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

.page-privacy .privacy-sec {
  padding-block: clamp(1.5rem, 3.5vw, 2.25rem);
  border-top: 1px solid var(--c-line);
}

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

.page-privacy .privacy-sec--scope,
.page-privacy .privacy-sec--rights {
  border-left: 2px solid var(--c-cyan);
  padding-inline: clamp(1rem, 3vw, 1.75rem);
  background: linear-gradient(120deg, rgba(14, 59, 58, 0.5), rgba(11, 27, 52, 0) 72%);
}

.page-privacy .privacy-sec--rights {
  border-left-color: var(--c-violet);
  background: linear-gradient(120deg, rgba(123, 91, 255, 0.16), rgba(11, 27, 52, 0) 72%);
}

.page-privacy .privacy-sec__title {
  display: grid;
  grid-template-columns: var(--pp-num-col) minmax(0, 1fr);
  gap: 0.5rem;
  align-items: baseline;
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-privacy .privacy-sec__num {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--c-cyan);
}

.page-privacy .privacy-sec p {
  max-width: 40rem;
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--c-ink);
}

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

.page-privacy .privacy-list {
  counter-reset: pp-item;
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 2.5rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-privacy .privacy-list li::before {
  counter-increment: pp-item;
  content: counter(pp-item, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.32em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-privacy .privacy-related {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-top: 1.25rem;
}

/* ---------- 修订记录 ---------- */
.page-privacy .privacy-log {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-privacy .privacy-log__list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-privacy .privacy-log__list li {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding-top: 0.5rem;
  border-top: 1px solid var(--c-line);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-privacy .privacy-log__id {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--c-violet-soft);
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    column-gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, var(--pp-measure)) var(--pp-nav-w);
    justify-content: space-between;
    column-gap: clamp(2rem, 5vw, 4rem);
  }

  .page-privacy .privacy-nav {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 5.5rem;
    padding: 1.125rem;
  }

  .page-privacy .privacy-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-nav__list {
    flex-direction: column;
    gap: 0.25rem;
    overflow: visible;
  }

  .page-privacy .privacy-nav__list a {
    border: 0;
    border-left: 2px solid var(--c-line);
    padding: 0.45rem 0.75rem;
    white-space: normal;
  }

  .page-privacy .privacy-nav__list a:hover,
  .page-privacy .privacy-nav__list a:focus-visible {
    border-left-color: var(--c-cyan);
    background: rgba(52, 224, 208, 0.07);
  }

  .page-privacy .privacy-log {
    margin-left: var(--pp-num-col);
  }
}

@media (max-width: 599px) {
  .page-privacy .privacy-sec__title {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }

  .page-privacy .privacy-list li {
    padding-left: 2.25rem;
  }

  .page-privacy .privacy-log__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-back,
  .page-privacy .privacy-nav__list a {
    transition: none;
  }
}