.page-privacy {
  --pv-rail: 240px;
  --pv-hair: rgba(38, 51, 58, .16);
  background-color: var(--ky-paper);
  color: var(--ky-ink);
  font-family: var(--ky-font-sans);
  font-size: clamp(16px, 1.05vw, 18px);
  line-height: 1.85;
}

/* 面包屑 */
.page-privacy .pv-crumb {
  padding-block: clamp(16px, 2vw, 26px) 4px;
}

/* 首屏 */
.page-privacy .pv-hero {
  position: relative;
  background-color: var(--ky-karst-100);
  background-image:
    radial-gradient(70% 90% at 6% 0%, rgba(169, 102, 43, .13), transparent 60%),
    radial-gradient(55% 80% at 100% 6%, rgba(122, 92, 255, .10), transparent 64%),
    linear-gradient(rgba(120, 137, 143, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 137, 143, .16) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 56px 56px, 56px 56px;
  border-bottom: 1px solid var(--ky-line-strong);
  padding-block: clamp(28px, 4vw, 52px) clamp(36px, 6vw, 72px);
  overflow: hidden;
}

.page-privacy .pv-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
  align-items: end;
}

.page-privacy .pv-hero__title {
  font-family: var(--ky-font-display);
  font-weight: 300;
  font-size: clamp(38px, 6.4vw, 84px);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--ky-karst-800);
  margin: 10px 0 0;
}

.page-privacy .pv-hero__lede {
  max-width: 32em;
  margin-top: 18px;
  color: var(--ky-ink);
}

.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

.page-privacy .pv-chip {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 5px 10px;
  border: 1px solid var(--ky-line-strong);
  color: var(--ky-karst-800);
  background: var(--ky-paper);
}

.page-privacy .pv-chip--warm {
  border-color: var(--ky-copper-300);
  color: var(--ky-copper-600);
  background: rgba(224, 172, 99, .14);
}

/* 配图 */
.page-privacy .pv-figure {
  margin: 0;
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-privacy .pv-figure__media {
  position: relative;
  border: 1px solid var(--ky-line-strong);
  background: var(--ky-paper-raised);
  overflow: hidden;
}

.page-privacy .pv-figure__media::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(224, 172, 99, .55);
  pointer-events: none;
}

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

.page-privacy .pv-figure__caption {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ky-karst-400);
}

/* 主体：章节索引 + 条款流 */
.page-privacy .pv-body {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: 1fr;
  padding-block: clamp(40px, 6vw, 84px);
}

.page-privacy .pv-toc {
  border-top: 2px solid var(--ky-copper-600);
  padding-top: 14px;
  min-width: 0;
}

.page-privacy .pv-toc__title {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ky-karst-400);
  margin: 0 0 12px;
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pv-toc__list li {
  flex: none;
}

.page-privacy .pv-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  white-space: nowrap;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  color: var(--ky-karst-800);
  text-decoration: none;
  font-size: 14px;
  transition: color .18s var(--ky-ease), border-color .18s var(--ky-ease), background-color .18s var(--ky-ease);
}

.page-privacy .pv-toc__num {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ky-copper-600);
}

.page-privacy .pv-toc__list a:hover,
.page-privacy .pv-toc__list a:focus-visible {
  color: var(--ky-copper-600);
  border-left-color: var(--ky-copper-300);
  background-color: rgba(224, 172, 99, .14);
}

.page-privacy .pv-toc__note {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ky-karst-400);
}

/* 条款流 */
.page-privacy .pv-clauses {
  display: grid;
  gap: clamp(34px, 4.5vw, 58px);
  min-width: 0;
}

.page-privacy .pv-clause {
  min-width: 0;
  scroll-margin-top: 92px;
  padding-top: clamp(18px, 2.4vw, 28px);
  border-top: 1px solid var(--ky-line-strong);
}

.page-privacy .pv-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 16px;
}

.page-privacy .pv-clause__num {
  flex: none;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--ky-copper-600);
  padding-top: .3em;
}

.page-privacy .pv-clause__title {
  font-family: var(--ky-font-display);
  font-weight: 400;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ky-karst-800);
  margin: 0;
}

.page-privacy .pv-lead {
  margin: 0 0 18px;
  padding: 3px 0 3px 16px;
  border-left: 3px solid var(--ky-copper-600);
  color: var(--ky-karst-800);
  font-weight: 500;
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.7;
}

.page-privacy .pv-text {
  margin: 16px 0 0;
  color: var(--ky-ink);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-list > li {
  position: relative;
  padding-left: 24px;
  min-width: 0;
}

.page-privacy .pv-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .84em;
  width: 10px;
  height: 2px;
  background: var(--ky-copper-600);
}

.page-privacy .pv-list strong {
  color: var(--ky-karst-800);
  font-weight: 600;
}

/* 双栏面板 */
.page-privacy .pv-panels {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-privacy .pv-panel {
  position: relative;
  border: 1px solid var(--ky-line-strong);
  background: var(--ky-paper-raised);
  padding: 20px 22px 22px;
  min-width: 0;
}

.page-privacy .pv-panel::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--ky-copper-300);
  border-right: 2px solid var(--ky-copper-300);
}

.page-privacy .pv-panel__label {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ky-copper-600);
  margin: 0 0 6px;
}

.page-privacy .pv-panel__title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ky-karst-800);
  margin: 0;
}

.page-privacy .pv-panel .pv-list {
  margin-top: 12px;
}

/* 强调块 */
.page-privacy .pv-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  background: rgba(228, 233, 232, .7);
  border-left: 3px solid var(--ky-karst-400);
  color: var(--ky-karst-800);
  font-size: 15px;
  line-height: 1.8;
}

/* 步骤 */
.page-privacy .pv-steps {
  list-style: none;
  counter-reset: pv-step;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pv-steps > li {
  counter-increment: pv-step;
  position: relative;
  padding-left: 44px;
  min-width: 0;
}

.page-privacy .pv-steps > li::before {
  content: counter(pv-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .05em;
  font-family: var(--ky-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--ky-copper-600);
}

/* 联系块 */
.page-privacy .pv-contact {
  display: grid;
  gap: 14px;
  margin-top: 20px;
  justify-items: start;
}

.page-privacy .pv-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: 460px;
  padding: 14px 18px;
  border: 1px solid var(--ky-line-strong);
  background: var(--ky-paper-raised);
  font-family: var(--ky-font-mono);
  font-size: clamp(13px, 1.5vw, 17px);
  line-height: 1.4;
  color: var(--ky-karst-800);
  text-align: left;
  cursor: pointer;
  transition: border-color .18s var(--ky-ease), transform .18s var(--ky-ease);
}

.page-privacy .pv-copy:hover,
.page-privacy .pv-copy:focus-visible {
  border-color: var(--ky-copper-300);
  transform: translateY(-2px);
}

.page-privacy .pv-copy__hint {
  flex: none;
  font-family: var(--ky-font-sans);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ky-karst-400);
}

.page-privacy .pv-copy[data-copied="true"] .pv-copy__hint {
  color: var(--ky-signal-ok);
}

.page-privacy .pv-contact__line {
  margin: 0;
  font-size: 15px;
  color: var(--ky-karst-800);
}

.page-privacy .pv-contact__line span {
  font-family: var(--ky-font-mono);
  letter-spacing: .04em;
}

.page-privacy .pv-contact__line--soft {
  color: var(--ky-karst-400);
  font-size: 13px;
}

/* 行内链接 */
.page-privacy a.pv-link {
  color: var(--ky-karst-800);
  text-decoration: underline;
  text-decoration-color: var(--ky-neon-cyan);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .18s var(--ky-ease);
}

.page-privacy a.pv-link:hover,
.page-privacy a.pv-link:focus-visible {
  color: var(--ky-copper-600);
}

/* 版本折叠 */
.page-privacy .pv-colophon {
  margin-top: clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--ky-line-strong);
  background-image:
    linear-gradient(180deg, rgba(38, 51, 58, .05), transparent 70%),
    linear-gradient(rgba(120, 137, 143, .14) 1px, transparent 1px);
  background-size: 100% 100%, 100% 54px;
  padding-block: clamp(26px, 4vw, 44px);
}

.page-privacy .pv-colophon__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 40px;
  justify-content: space-between;
  align-items: flex-end;
}

.page-privacy .pv-colophon__left {
  flex: 1 1 340px;
  min-width: 0;
}

.page-privacy .pv-colophon__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: .03em;
  color: var(--ky-karst-400);
}

.page-privacy .pv-version {
  border: 1px solid var(--ky-line-strong);
  background: var(--ky-paper-raised);
  margin-top: 16px;
  max-width: 620px;
}

.page-privacy .pv-version summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ky-karst-800);
  transition: background-color .18s var(--ky-ease);
}

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

.page-privacy .pv-version summary::before {
  content: "+";
  width: 12px;
  display: inline-block;
  text-align: center;
  font-weight: 700;
  color: var(--ky-copper-600);
}

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

.page-privacy .pv-version summary:hover,
.page-privacy .pv-version summary:focus-visible {
  background-color: rgba(224, 172, 99, .14);
}

.page-privacy .pv-version__body {
  padding: 2px 18px 18px;
}

.page-privacy .pv-version__body .pv-list {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 0;
}

.page-privacy .pv-colophon__right {
  flex: none;
}

.page-privacy .pv-colophon__mark {
  margin: 0 0 6px;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ky-karst-800);
}

.page-privacy .pv-colophon__mark::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  background: var(--ky-copper-600);
  transform: rotate(45deg) translateY(-1px);
}

/* 键盘焦点 */
.page-privacy a:focus-visible,
.page-privacy button:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--ky-neon-cyan);
  outline-offset: 2px;
}

/* 响应式 */
@media (min-width: 760px) {
  .page-privacy .pv-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-body {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .pv-toc__list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
  }

  .page-privacy .pv-toc__list a {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-copy,
  .page-privacy .pv-toc__list a,
  .page-privacy a.pv-link {
    transition: none;
  }

  .page-privacy .pv-copy:hover,
  .page-privacy .pv-copy:focus-visible {
    transform: none;
  }
}