.page-privacy {
  --pp-measure: 760px;
  --pp-line: rgba(30, 74, 138, .55);
  --pp-text: #c3d4ec;
  overflow-x: clip;
}

/* ===== 页首横幅 ===== */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 6vw, 88px) 0 clamp(32px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(0, 255, 170, .12), transparent 58%),
    linear-gradient(168deg, var(--panel) 0%, var(--navy) 46%, var(--navy-deep) 100%);
}

.page-privacy .privacy-hero__texture {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(12deg, rgba(232, 241, 255, .055) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(68deg, rgba(0, 255, 170, .07) 0 1px, transparent 1px 40px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 80%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 80%);
}

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

.page-privacy .privacy-hero .crumbs {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-privacy .privacy-hero__head {
  max-width: 44rem;
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 14px;
}

.page-privacy .privacy-hero__title {
  margin: 0 0 20px;
  font-size: clamp(38px, 7vw, 72px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-privacy .privacy-hero__lede {
  margin: 0;
  color: var(--pp-text);
}

.page-privacy .privacy-hero__media {
  margin: clamp(32px, 5vw, 56px) 0 0;
  border: 1px solid var(--pp-line);
}

/* ===== 单列阅读布局 ===== */
.page-privacy .privacy-body {
  padding-top: clamp(48px, 7vw, 96px);
  padding-bottom: clamp(64px, 9vw, 132px);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

/* ===== 锚点目录 ===== */
.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-privacy .privacy-toc__link {
  display: block;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--pill);
  background: rgba(18, 48, 94, .62);
  transition: color .22s var(--ease), background-color .22s var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--neon);
  background: rgba(0, 255, 170, .12);
}

.page-privacy .privacy-toc__link:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

/* ===== 正文章节 ===== */
.page-privacy .privacy-prose {
  min-width: 0;
}

.page-privacy .chapter-block {
  padding-bottom: clamp(30px, 4vw, 48px);
  margin-bottom: clamp(30px, 4vw, 48px);
  border-bottom: 1px solid var(--pp-line);
  scroll-margin-top: 130px;
}

.page-privacy .chapter-block:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-privacy .chapter-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .chapter-block__num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4vw, 42px);
  line-height: .92;
  letter-spacing: -0.03em;
  color: var(--neon);
}

.page-privacy .chapter-block h2 {
  margin: 0;
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-privacy .privacy-prose > .chapter-block p {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--pp-text);
}

.page-privacy .privacy-prose > .chapter-block p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-prose > .chapter-block p strong {
  color: var(--ink);
  font-weight: 600;
}

/* ===== 信息分类 ===== */
.page-privacy .pp-def {
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--pp-line);
}

.page-privacy .pp-def__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-privacy .pp-def dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--neon);
}

.page-privacy .pp-def dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pp-text);
}

/* ===== 关键提示 ===== */
.page-privacy .pp-callout {
  max-width: 34em;
  margin: 22px 0;
  padding: 18px 20px;
  background: rgba(18, 48, 94, .78);
  border-left: 3px solid var(--neon);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .pp-callout strong {
  color: var(--neon);
  font-weight: 600;
}

/* ===== 折叠条款 ===== */
.page-privacy .pp-details {
  max-width: 34em;
  margin: 20px 0 0;
  border: 1px solid var(--pp-line);
  background: rgba(6, 18, 41, .6);
}

.page-privacy .pp-details > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--ink);
  transition: background-color .22s var(--ease), color .22s var(--ease);
}

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

.page-privacy .pp-details > summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--neon);
}

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

.page-privacy .pp-details > summary:hover {
  background: rgba(18, 48, 94, .7);
}

.page-privacy .pp-details > summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-privacy .pp-details .pp-details__body {
  margin: 0;
  padding: 0 18px 18px;
  max-width: none;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--pp-text);
}

/* ===== 联系信息 ===== */
.page-privacy .pp-contact {
  display: grid;
  gap: 0;
  max-width: 34em;
  margin: 0 0 20px;
  border-top: 1px solid var(--pp-line);
}

.page-privacy .pp-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--pp-line);
  font-size: 14.5px;
}

.page-privacy .pp-contact__label {
  flex: none;
  min-width: 76px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-privacy .pp-contact__value {
  color: var(--ink);
  word-break: break-word;
}

/* ===== 行动入口 ===== */
.page-privacy .pp-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

/* ===== 滚动定格 ===== */
.page-privacy [data-reveal] {
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.page-privacy [data-reveal].is-armed {
  opacity: 0;
  transform: translateY(14px);
}

/* ===== 平板以上：左轨道 + 右正文 ===== */
@media (min-width: 960px) {
  .page-privacy .privacy-toc {
    position: sticky;
    top: 116px;
    align-self: start;
    padding-top: 2px;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-privacy .privacy-toc__link {
    padding: 9px 0 9px 18px;
    font-size: 14px;
    border-radius: 0;
    background: none;
    border-left: 2px solid var(--pp-line);
    transition: color .22s var(--ease), border-color .22s var(--ease);
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    background: none;
    border-left-color: var(--neon);
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 212px minmax(0, var(--pp-measure));
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

  .page-privacy .pp-def__row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

/* 锚点定位时高亮当前条目 */
.page-privacy:has(#pp-scope:target) .privacy-toc__link[href="#pp-scope"],
.page-privacy:has(#pp-data:target) .privacy-toc__link[href="#pp-data"],
.page-privacy:has(#pp-use:target) .privacy-toc__link[href="#pp-use"],
.page-privacy:has(#pp-cookie:target) .privacy-toc__link[href="#pp-cookie"],
.page-privacy:has(#pp-rights:target) .privacy-toc__link[href="#pp-rights"],
.page-privacy:has(#pp-contact:target) .privacy-toc__link[href="#pp-contact"] {
  color: var(--neon);
  border-left-color: var(--neon);
}

/* ===== 窄屏收敛 ===== */
@media (max-width: 639px) {
  .page-privacy .chapter-block__head {
    gap: 10px;
  }

  .page-privacy .chapter-block__num {
    font-size: 26px;
  }

  .page-privacy .privacy-prose > .chapter-block p,
  .page-privacy .pp-callout,
  .page-privacy .pp-details,
  .page-privacy .pp-contact {
    max-width: 100%;
  }

  .page-privacy .pp-cta .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal],
  .page-privacy [data-reveal].is-armed {
    opacity: 1;
    transform: none;
    transition: none;
  }
}