.page-privacy {
  --pv-measure: 34em;
  --pv-hair: rgba(53, 242, 214, 0.16);
  --pv-hair-ink: rgba(6, 17, 15, 0.14);
  --pv-body: rgba(244, 241, 234, 0.82);
  --pv-body-ink: rgba(6, 17, 15, 0.76);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: calc(var(--bar-h) + var(--rail-h) + clamp(18px, 4vw, 44px));
  padding-bottom: clamp(18px, 3vw, 32px);
  background:
    radial-gradient(120% 90% at 88% -20%, rgba(53, 242, 214, 0.16), transparent 62%),
    radial-gradient(80% 70% at -10% 120%, rgba(255, 106, 43, 0.12), transparent 60%),
    var(--ink-900);
  border-bottom: 1px solid var(--pv-hair);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(53, 242, 214, 0.055) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, rgba(53, 242, 214, 0.045) 0 1px, transparent 1px 84px);
  opacity: 0.7;
  pointer-events: none;
}

.page-privacy .privacy-hero > .sb-container {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .sb-breadcrumb {
  margin-bottom: clamp(20px, 4vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-privacy .privacy-hero .sb-breadcrumb a {
  color: var(--gray-500);
  text-decoration: none;
}

.page-privacy .privacy-hero .sb-breadcrumb a:hover,
.page-privacy .privacy-hero .sb-breadcrumb a:focus-visible {
  color: var(--cyan-400);
}

.page-privacy .privacy-hero .sb-breadcrumb [aria-current="page"] {
  color: var(--cyan-300);
}

.page-privacy .privacy-hero .sb-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-300);
}

.page-privacy .privacy-hero__title {
  margin: 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 7.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lead {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: var(--pv-measure);
  font-size: 17px;
  line-height: 1.8;
  color: var(--pv-body);
}

.page-privacy .privacy-hero__meta {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.03em;
  color: var(--gray-500);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-hero__figure {
  position: relative;
  margin: clamp(24px, 4vw, 40px) 0 0;
  line-height: 0;
}

.page-privacy .privacy-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 17, 15, 0.35) 0%, rgba(6, 17, 15, 0.92) 100%);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(130px, 24vw, 280px);
  object-fit: cover;
  opacity: 0.62;
  border-top: 1px solid var(--pv-hair);
}

/* 版式 */
.page-privacy .privacy-layout {
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(48px, 8vw, 92px);
}

.page-privacy .privacy-toc {
  border-top: 2px solid var(--cyan-400);
  padding-top: 14px;
  margin-bottom: clamp(28px, 5vw, 44px);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gray-500);
}

.page-privacy .privacy-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0 7px 2px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(244, 241, 234, 0.66);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--cyan-300);
  border-left-color: var(--cyan-400);
  padding-left: 8px;
}

.page-privacy .privacy-toc__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan-400);
}

.page-privacy .privacy-toc__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--gray-500);
}

.page-privacy .privacy-toc__hint a {
  color: var(--cyan-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 章节 */
.page-privacy .privacy-sec {
  position: relative;
  padding: clamp(26px, 4vw, 42px) 0;
  border-top: 1px solid var(--pv-hair);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-privacy .privacy-sec--last {
  border-bottom: 1px solid var(--pv-hair);
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-privacy .privacy-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  padding-bottom: 3px;
  border-bottom: 2px solid var(--cyan-400);
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-privacy .privacy-sec__body {
  max-width: var(--pv-measure);
}

.page-privacy .privacy-sec__body p {
  margin: 0 0 1.55em;
  font-size: 17px;
  line-height: 1.82;
  color: var(--pv-body);
}

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

/* 浅色分区 */
.page-privacy .privacy-sec--paper {
  margin: clamp(10px, 2vw, 18px) 0;
  padding: clamp(24px, 4vw, 40px) clamp(20px, 4vw, 38px);
  background: var(--paper);
  border: 1px solid rgba(6, 17, 15, 0.08);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(6, 17, 15, 0.45);
  border-top-color: transparent;
}

.page-privacy .privacy-sec--paper .privacy-sec__title {
  color: var(--ink-900);
}

.page-privacy .privacy-sec--paper .privacy-sec__num {
  color: var(--ink-700);
  border-bottom-color: var(--cyan-400);
}

.page-privacy .privacy-sec--paper .privacy-sec__body p {
  color: var(--pv-body-ink);
}

/* 定义列表 */
.page-privacy .privacy-defs {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-privacy .privacy-defs__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--pv-hair-ink);
}

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

.page-privacy .privacy-defs__row:last-child {
  padding-bottom: 0;
}

.page-privacy .privacy-defs dt {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--orange-500);
}

.page-privacy .privacy-defs dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-body-ink);
}

/* 用途列表 */
.page-privacy .privacy-uses {
  margin: 0 0 1.55em;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-uses li {
  position: relative;
  padding: 12px 0 12px 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-body);
  border-top: 1px solid var(--pv-hair);
}

.page-privacy .privacy-uses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 2px;
  background: var(--cyan-400);
}

.page-privacy .privacy-uses strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.005em;
  color: var(--cyan-300);
  margin-bottom: 2px;
}

.page-privacy .privacy-uses--plain li::before {
  background: var(--orange-500);
}

.page-privacy .privacy-uses--plain strong {
  color: var(--orange-300);
}

/* 折叠释义 */
.page-privacy .privacy-fold {
  margin-top: 6px;
  border-top: 1px dashed var(--pv-hair);
}

.page-privacy .privacy-fold summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan-300);
  transition: color 0.2s var(--ease);
}

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

.page-privacy .privacy-fold summary::before {
  content: "+";
  flex: none;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border: 1px solid var(--cyan-400);
  border-radius: 50%;
  font-size: 12px;
  line-height: 1;
  color: var(--cyan-400);
}

.page-privacy .privacy-fold[open] summary::before {
  content: "−";
}

.page-privacy .privacy-fold summary:hover,
.page-privacy .privacy-fold summary:focus-visible {
  color: var(--paper);
}

.page-privacy .privacy-fold p {
  margin: 0 0 16px;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.7);
  border-left: 2px solid rgba(53, 242, 214, 0.3);
}

/* 锁形装饰 */
.page-privacy .privacy-mark {
  color: var(--cyan-400);
  opacity: 0.9;
  margin-bottom: 10px;
}

.page-privacy .privacy-mark svg {
  display: block;
  width: 46px;
  height: 46px;
}

/* 收尾 */
.page-privacy .privacy-next {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--pv-hair);
}

.page-privacy .privacy-next__text {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-privacy .privacy-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .privacy-next__links .sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .privacy-next__links .sb-btn:hover,
.page-privacy .privacy-next__links .sb-btn:focus-visible {
  transform: translateY(-2px);
}

/* 平板及以上 */
@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: minmax(170px, 208px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    margin-bottom: 0;
  }

  .page-privacy .privacy-sec__body {
    max-width: 36em;
  }

  .page-privacy .privacy-defs__row {
    grid-template-columns: 7.5em minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
    padding: 16px 0;
  }

  .page-privacy .privacy-defs dt {
    font-size: 12px;
    padding-top: 4px;
  }

  .page-privacy .privacy-uses {
    gap: 0;
  }

  .page-privacy .privacy-uses li {
    padding: 14px 0 14px 24px;
  }

  .page-privacy .privacy-uses strong {
    display: inline;
    margin-right: 8px;
  }
}

/* 大屏 */
@media (min-width: 1200px) {
  .page-privacy .privacy-hero__title {
    letter-spacing: -0.028em;
  }

  .page-privacy .privacy-sec {
    padding: clamp(34px, 4vw, 50px) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__list a,
  .page-privacy .privacy-next__links .sb-btn {
    transition: none;
  }
}