.page-privacy {
  --pv-rule: rgba(6, 26, 46, .13);
  --pv-ink: #17324a;
  --pv-soft: #5a6f83;
  --pv-body-size: 16px;
  background: var(--paper);
  color: var(--pv-ink);
  padding-bottom: 56px;
  overflow-x: hidden;
}

/* ---------- 页首 ---------- */

.page-privacy .pv-masthead {
  position: relative;
  overflow: hidden;
  padding: 28px 0 44px;
  color: var(--text);
  background:
    radial-gradient(120% 150% at 88% -12%, rgba(47, 243, 208, .18), transparent 58%),
    linear-gradient(180deg, var(--arena) 0%, #08243d 100%);
}

.page-privacy .pv-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .32;
  background-image:
    linear-gradient(rgba(28, 69, 105, .9) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 69, 105, .9) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(100% 72% at 78% 18%, #000 0%, transparent 74%);
  mask-image: radial-gradient(100% 72% at 78% 18%, #000 0%, transparent 74%);
}

.page-privacy .pv-masthead__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-masthead .breadcrumb__link {
  color: rgba(230, 240, 247, .7);
  font-size: 13px;
}

.page-privacy .pv-masthead .breadcrumb__link:hover {
  color: var(--cyan);
}

.page-privacy .pv-masthead .breadcrumb__sep {
  color: rgba(230, 240, 247, .35);
}

.page-privacy .pv-masthead .eyebrow {
  margin: 20px 0 0;
}

.page-privacy h1 {
  margin: 12px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 6.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-privacy .pv-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(230, 240, 247, .84);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-meta .chip {
  font-size: 13px;
}

/* ---------- 顶部横幅 ---------- */

.page-privacy .pv-banner {
  margin: 0;
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: var(--panel);
}

.page-privacy .pv-banner__cap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: baseline;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  color: rgba(230, 240, 247, .7);
  font-size: 13px;
  line-height: 1.6;
}

.page-privacy .pv-banner__cap .mono {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .14em;
}

/* ---------- 主体容器 ---------- */

.page-privacy .pv-wrap {
  padding-top: 28px;
}

.page-privacy .pv-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding-bottom: 16px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .pv-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px 8px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--pv-rule);
  background: var(--white);
  color: var(--arena);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .12s var(--ease), background .12s var(--ease);
}

.page-privacy .pv-toggle::before {
  content: "";
  flex: none;
  width: 15px;
  height: 15px;
  border-radius: 4px;
  border: 1.5px solid var(--line);
  background: transparent;
}

.page-privacy .pv-toggle:hover {
  border-color: var(--cyan);
}

.page-privacy .pv-fontsize:checked ~ .pv-toolbar .pv-toggle {
  background: rgba(159, 239, 226, .34);
  border-color: var(--cyan);
}

.page-privacy .pv-fontsize:checked ~ .pv-toolbar .pv-toggle::before {
  background: var(--arena);
  border-color: var(--arena);
  box-shadow: inset 0 0 0 3px var(--cyan);
}

.page-privacy .pv-fontsize:focus-visible ~ .pv-toolbar .pv-toggle {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pv-toolbar__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--pv-soft);
}

/* ---------- 栅格 ---------- */

.page-privacy .pv-layout {
  display: block;
}

/* ---------- 目录 ---------- */

.page-privacy .pv-toc {
  padding: 20px;
  margin-bottom: 32px;
  border: 1px solid var(--pv-rule);
  border-radius: var(--r-lg);
  background: var(--white);
}

.page-privacy .pv-toc__head {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--pv-soft);
}

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

.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 3px solid transparent;
  border-radius: var(--r-sm);
  color: var(--arena);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background .12s var(--ease), border-color .12s var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  background: rgba(47, 243, 208, .16);
  border-left-color: var(--cyan);
}

.page-privacy .pv-toc__num {
  flex: none;
  font-size: 12px;
  color: var(--graphite);
}

.page-privacy .pv-toc__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(28, 69, 105, .3);
  font-size: 13px;
  line-height: 1.8;
  color: var(--pv-soft);
}

.page-privacy .pv-toc__foot a {
  color: var(--arena);
  text-decoration: underline;
  text-decoration-color: rgba(47, 243, 208, .8);
  text-underline-offset: 3px;
}

.page-privacy .pv-toc__foot a:hover {
  color: #0a6d5d;
}

/* ---------- 正文 ---------- */

.page-privacy .pv-body {
  font-size: var(--pv-body-size);
  line-height: 1.78;
  color: var(--pv-ink);
}

.page-privacy .pv-sec {
  padding: 28px 0 26px;
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .pv-sec:first-child {
  padding-top: 0;
  border-top: none;
}

.page-privacy .pv-sec__num {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--line);
}

.page-privacy .pv-sec:target .pv-sec__num {
  color: #0a6d5d;
}

.page-privacy .pv-sec__title {
  margin: 0 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--cyan);
  font-family: var(--font-display);
  font-size: clamp(19px, 4.6vw, 27px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--arena);
}

.page-privacy .pv-body p {
  max-width: 38em;
  margin: 0 0 14px;
}

/* 条目行 */

.page-privacy .pv-rows {
  margin: 20px 0 0;
  display: grid;
  gap: 0;
}

.page-privacy .pv-rows__item {
  padding: 15px 0;
  border-bottom: 1px dashed rgba(28, 69, 105, .3);
}

.page-privacy .pv-rows__item:first-child {
  padding-top: 4px;
}

.page-privacy .pv-rows__item:last-child {
  border-bottom: none;
  padding-bottom: 4px;
}

.page-privacy .pv-rows__key {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--arena);
}

.page-privacy .pv-rows__key::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 243, 208, .22);
}

.page-privacy .pv-rows__val {
  max-width: 40em;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: #35506a;
}

/* 关键结论 */

.page-privacy .pv-key {
  max-width: 40em;
  margin: 20px 0 0;
  padding: 14px 18px;
  border-left: 4px solid #0a6d5d;
  border-radius: var(--r-md);
  background: rgba(159, 239, 226, .42);
  color: #123449;
  font-size: 15px;
  line-height: 1.75;
}

/* 折叠细节 */

.page-privacy .pv-more {
  margin: 14px 0 0;
  border: 1px solid var(--pv-rule);
  border-radius: var(--r-md);
  background: var(--white);
  overflow: hidden;
}

.page-privacy .pv-more + .pv-more {
  margin-top: 10px;
}

.page-privacy .pv-more > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--arena);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .pv-more > summary::before {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: rgba(47, 243, 208, .22);
  color: #0a6d5d;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}

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

.page-privacy .pv-more > summary:hover {
  background: rgba(47, 243, 208, .1);
}

.page-privacy .pv-more__body {
  padding: 2px 16px 16px 46px;
  border-top: 1px dashed rgba(28, 69, 105, .24);
}

.page-privacy .pv-more__body p {
  max-width: 38em;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: #35506a;
}

/* ---------- 收束区块 ---------- */

.page-privacy .pv-end {
  margin-top: 34px;
  padding: 26px 22px;
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 160% at 92% -20%, rgba(47, 243, 208, .2), transparent 60%),
    linear-gradient(140deg, var(--panel) 0%, var(--arena) 100%);
  color: var(--text);
}

.page-privacy .pv-end__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 4.4vw, 24px);
  font-weight: 800;
  line-height: 1.34;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-privacy .pv-end__text {
  max-width: 44ch;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(230, 240, 247, .82);
}

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

.page-privacy .pv-end__links .btn {
  font-size: 14px;
}

/* ---------- 字号放大 ---------- */

.page-privacy .pv-fontsize:checked ~ .pv-layout {
  --pv-body-size: 18px;
}

.page-privacy .pv-fontsize:checked ~ .pv-layout .pv-rows__val,
.page-privacy .pv-fontsize:checked ~ .pv-layout .pv-more__body p,
.page-privacy .pv-fontsize:checked ~ .pv-layout .pv-key {
  font-size: 16px;
}

/* ---------- 平板 ---------- */

@media (min-width: 768px) {
  .page-privacy .pv-masthead {
    padding: 36px 0 56px;
  }

  .page-privacy .pv-banner__cap {
    padding: 12px 32px;
  }

  .page-privacy .pv-wrap {
    padding-top: 40px;
  }

  .page-privacy .pv-toc {
    padding: 24px 26px;
  }

  .page-privacy .pv-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 10px;
  }

  .page-privacy .pv-toc__head {
    grid-column: 1 / -1;
  }

  .page-privacy .pv-sec {
    padding: 36px 0 32px;
  }

  .page-privacy .pv-end {
    padding: 34px 32px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 1024px) {
  .page-privacy {
    padding-bottom: 88px;
  }

  .page-privacy .pv-masthead {
    padding: 48px 0 68px;
  }

  .page-privacy .pv-layout {
    display: grid;
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
    margin-bottom: 0;
  }

  .page-privacy .pv-toc__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .pv-sec {
    padding: 44px 0 38px;
  }

  .page-privacy .pv-key {
    margin-top: 24px;
  }

  .page-privacy .pv-end {
    margin-top: 48px;
  }
}

@media (min-width: 1280px) {
  .page-privacy .pv-layout {
    gap: 72px;
    grid-template-columns: 288px minmax(0, 1fr);
  }
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-toggle,
  .page-privacy .pv-more > summary {
    transition: none;
  }
}
</main>