.page-privacy {
  --privacy-num-bg: #0B1F1A;
  --privacy-paper-line: rgba(26, 21, 16, 0.14);
  --privacy-paper-soft: rgba(26, 21, 16, 0.66);
  --privacy-link-ink: #0E5648;
  background-color: var(--field);
  background-image: radial-gradient(120% 70% at 12% 0%, var(--turf) 0%, var(--field) 58%);
  color: var(--chalk);
  padding-bottom: 88px;
}

.page-privacy .privacy-masthead {
  padding: 28px 0 34px;
}

.page-privacy .privacy-masthead__kicker {
  margin: 0 0 18px;
  color: var(--brass);
}

.page-privacy .privacy-masthead__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.012em;
  max-width: 15ch;
  color: var(--chalk);
}

.page-privacy .privacy-masthead__lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--chalk);
  opacity: 0.82;
}

.page-privacy .privacy-band {
  margin: 0;
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-band__img {
  display: block;
  width: 100%;
  height: clamp(150px, 28vw, 300px);
  object-fit: cover;
  filter: saturate(0.8) contrast(1.06);
}

.page-privacy .privacy-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    92deg,
    rgba(11, 31, 26, 0.88) 0%,
    rgba(11, 31, 26, 0.16) 46%,
    rgba(11, 31, 26, 0.74) 100%
  );
}

.page-privacy .privacy-main {
  padding-top: 52px;
}

.page-privacy .privacy-main__grid {
  display: grid;
  gap: 30px;
}

/* —— 章节导航 —— */
.page-privacy .privacy-nav__rail {
  display: none;
}

.page-privacy .privacy-nav__drill {
  border: 1px solid var(--line);
  background-color: var(--turf);
  padding: 0 16px;
}

.page-privacy .privacy-nav__drill > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--brass);
}

.page-privacy .privacy-nav__drill > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-nav__drill > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-privacy .privacy-nav__drill[open] > summary::after {
  content: "\2212";
}

.page-privacy .privacy-nav__label {
  margin: 0 0 12px;
  color: var(--brass);
}

.page-privacy .privacy-nav__list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
}

.page-privacy .privacy-nav__item + .privacy-nav__item {
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-nav__link {
  display: flex;
  gap: 12px;
  align-items: baseline;
  min-height: 44px;
  padding: 12px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-privacy .privacy-nav__link:hover,
.page-privacy .privacy-nav__link:focus-visible,
.page-privacy .privacy-nav__link[data-active="true"] {
  color: var(--cyan);
}

.page-privacy .toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--brass);
}

/* —— 正文流程 —— */
.page-privacy .privacy-flow {
  display: block;
}

.page-privacy .privacy-section {
  position: relative;
  scroll-margin-top: 96px;
  background-color: var(--paper);
  color: var(--ink);
  padding: 30px 22px 34px;
  clip-path: polygon(
    0 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% 100%,
    14px 100%,
    0 calc(100% - 14px)
  );
}

.page-privacy .privacy-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brass) 0%, rgba(198, 161, 91, 0) 72%);
}

.page-privacy .privacy-flow > * + * {
  margin-top: 34px;
}

.page-privacy .privacy-flow > * + *::before {
  content: "";
  position: absolute;
  top: -18px;
  left: 4px;
  width: min(100%, 300px);
  height: 1px;
  background: linear-gradient(90deg, var(--brass) 0%, rgba(198, 161, 91, 0) 100%);
  transform: rotate(-6deg);
  transform-origin: left center;
}

.page-privacy .privacy-section__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 24px;
  padding: 0 8px;
  margin: 0 0 16px;
  background-color: var(--privacy-num-bg);
  color: var(--brass);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-privacy .privacy-section__title {
  margin: 0 0 18px;
  max-width: 26ch;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 25px);
  line-height: 1.34;
  letter-spacing: 0.005em;
  color: var(--ink);
}

.page-privacy .privacy-section__anchor {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 400;
  color: rgba(26, 21, 16, 0.32);
  text-decoration: none;
  vertical-align: middle;
}

.page-privacy .privacy-section__anchor:hover,
.page-privacy .privacy-section__anchor:focus-visible {
  color: var(--board);
}

.page-privacy .privacy-section p {
  max-width: 68ch;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--privacy-paper-soft);
}

.page-privacy .privacy-section p strong {
  color: var(--ink);
}

.page-privacy .privacy-section a {
  color: var(--privacy-link-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .privacy-section a:hover,
.page-privacy .privacy-section a:focus-visible {
  color: var(--board);
}

.page-privacy .privacy-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list__item {
  position: relative;
  max-width: 68ch;
  padding: 15px 0 15px 26px;
  border-top: 1px solid var(--privacy-paper-line);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--privacy-paper-soft);
}

.page-privacy .privacy-list__item:last-child {
  border-bottom: 1px solid var(--privacy-paper-line);
}

.page-privacy .privacy-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 12px;
  height: 2px;
  background-color: var(--board);
  transform: rotate(-6deg);
}

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

.page-privacy .privacy-diagram {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  margin: 6px 0 10px;
}

.page-privacy .privacy-diagram__wires {
  stroke: rgba(26, 21, 16, 0.34);
}

.page-privacy .privacy-diagram__nodes {
  fill: var(--board);
}

.page-privacy .privacy-diagram__cap {
  max-width: 52ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(26, 21, 16, 0.5);
}

@media (min-width: 700px) {
  .page-privacy .privacy-section {
    padding: 36px 36px 40px;
  }

  .page-privacy .privacy-list__item {
    font-size: 16px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-masthead {
    padding: 44px 0 40px;
  }

  .page-privacy .privacy-main {
    padding-top: 64px;
  }

  .page-privacy .privacy-main__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-privacy .privacy-nav__drill {
    display: none;
  }

  .page-privacy .privacy-nav__rail {
    display: block;
    position: sticky;
    top: 96px;
    border-left: 1px solid var(--line);
    padding-left: 20px;
  }

  .page-privacy .privacy-nav__list {
    padding-bottom: 0;
  }

  .page-privacy .privacy-flow > * + * {
    margin-top: 44px;
  }

  .page-privacy .privacy-flow > * + *::before {
    top: -23px;
    left: 8px;
  }
}

@media (min-width: 1280px) {
  .page-privacy .privacy-section {
    padding: 42px 48px 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-nav__link,
  .page-privacy .privacy-section__anchor {
    transition: none;
  }
}