/* ===== 数据与隐私 /data-privacy/ ===== */
.page-privacy {
  --pv-toc-w: 236px;
  background: var(--oy-deep);
  color: var(--oy-ink);
}

/* ---- 首屏 ---- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 0;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -220px;
  right: -140px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle at center, rgba(23, 224, 176, 0.16), rgba(23, 224, 176, 0) 68%);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--oy-neon) 0 32%, var(--oy-gold) 32% 64%, var(--oy-signal) 64% 100%);
  opacity: 0.75;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  padding-bottom: 34px;
}

.page-privacy .privacy-hero__label {
  margin: 0;
  color: var(--oy-neon);
}

.page-privacy .privacy-hero__title {
  margin: 16px 0 0;
  font-family: var(--oy-sans);
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--oy-ink);
  word-break: keep-all;
}

.page-privacy .privacy-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--oy-muted);
}

.page-privacy .privacy-facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--oy-line);
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-facts > li {
  display: grid;
  gap: 5px;
}

.page-privacy .privacy-facts__k {
  font-family: var(--oy-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--oy-gold);
}

.page-privacy .privacy-facts__v {
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--oy-ink);
}

@media (min-width: 680px) {
  .page-privacy .privacy-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

/* ---- 通栏配图 ---- */
.page-privacy .privacy-visual {
  margin: 34px 0 0;
}

.page-privacy .privacy-visual__frame {
  position: relative;
  border: 1px solid var(--oy-line);
  background: var(--oy-layer);
  overflow: hidden;
}

.page-privacy .privacy-visual__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 22, 35, 0) 38%, rgba(6, 22, 35, 0.82) 100%);
  pointer-events: none;
}

.page-privacy .privacy-visual__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(1.06) contrast(1.03);
}

/* ---- 目录 + 正文布局 ---- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 34px;
  padding-bottom: 64px;
}

/* ---- 目录 ---- */
.page-privacy .privacy-toc {
  border-top: 1px solid var(--oy-line);
  border-bottom: 1px solid var(--oy-line);
  padding: 14px 0 10px;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 10px;
  font-family: var(--oy-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--oy-gold);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 2px solid transparent;
  color: var(--oy-muted);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.45;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--oy-ink);
  border-bottom-color: var(--oy-neon);
  background: rgba(23, 224, 176, 0.08);
  outline: none;
}

.page-privacy .privacy-toc__num {
  font-family: var(--oy-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--oy-gold);
}

/* ---- 正文条款 ---- */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-clause {
  border-top: 1px solid var(--oy-line);
  scroll-margin-top: 116px;
}

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

.page-privacy .privacy-clause__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 2px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.18s ease;
}

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

.page-privacy .privacy-clause__head:hover {
  background: rgba(23, 224, 176, 0.045);
}

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

.page-privacy .privacy-clause__num {
  flex: none;
  font-family: var(--oy-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--oy-gold);
}

.page-privacy .privacy-clause__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--oy-sans);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--oy-ink);
}

.page-privacy .privacy-clause__toggle {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.page-privacy .privacy-clause__toggle::before,
.page-privacy .privacy-clause__toggle::after {
  content: "";
  position: absolute;
  background: var(--oy-neon);
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.page-privacy .privacy-clause__toggle::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-privacy .privacy-clause__toggle::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-privacy .privacy-clause[open] > .privacy-clause__head .privacy-clause__toggle::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-privacy .privacy-clause__body {
  padding: 0 2px 28px;
}

.page-privacy .privacy-clause__body p {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--oy-muted);
}

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

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

/* ---- 列表 ---- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 66ch;
}

.page-privacy .privacy-list > li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--oy-muted);
}

.page-privacy .privacy-list > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 7px;
  height: 7px;
  background: var(--oy-neon);
  transform: rotate(45deg);
}

.page-privacy .privacy-list > li strong {
  color: var(--oy-ink);
  font-weight: 700;
}

.page-privacy .privacy-list--kv {
  gap: 0;
  margin: 4px 0 20px;
}

.page-privacy .privacy-list--kv > li {
  padding: 14px 0 14px 0;
  border-top: 1px solid var(--oy-line-soft);
}

.page-privacy .privacy-list--kv > li::before {
  display: none;
}

.page-privacy .privacy-list__key {
  display: block;
  margin-bottom: 7px;
  font-family: var(--oy-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--oy-neon);
}

/* ---- 行内高亮 ---- */
.page-privacy .privacy-hl {
  background: rgba(243, 217, 164, 0.16);
  color: var(--oy-gold-soft);
  padding: 1px 6px;
  font-weight: 700;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* ---- 页尾提示 ---- */
.page-privacy .privacy-foot {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 3px solid var(--oy-gold);
  background: var(--oy-layer);
  max-width: 66ch;
}

.page-privacy .privacy-foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--oy-muted);
}

.page-privacy .privacy-foot a {
  color: var(--oy-neon);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-foot a:hover,
.page-privacy .privacy-foot a:focus-visible {
  color: var(--oy-neon-soft);
}

/* ---- 桌面：粘性目录 + 单栏长文 ---- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding-top: 46px;
  }

  .page-privacy .privacy-hero__inner {
    padding-bottom: 44px;
  }

  .page-privacy .privacy-visual {
    margin-top: 44px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    gap: 0 48px;
    padding-top: 54px;
    padding-bottom: 96px;
  }

  .page-privacy .privacy-toc {
    position: relative;
    border-top: 0;
    border-bottom: 0;
    border-right: 1px solid var(--oy-line);
    padding: 4px 30px 60px 0;
  }

  .page-privacy .privacy-toc__inner {
    position: sticky;
    top: 112px;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .privacy-toc__link {
    display: flex;
    padding: 10px 10px 10px 14px;
    border-bottom: 0;
    border-left: 2px solid var(--oy-line-soft);
    font-weight: 500;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    border-left-color: var(--oy-neon);
    border-bottom-color: transparent;
    background: rgba(23, 224, 176, 0.07);
  }

  .page-privacy .privacy-clause__title {
    font-size: 24px;
  }

  .page-privacy .privacy-clause__head {
    padding: 26px 2px;
  }
}

/* ---- 动效降级 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-clause__head,
  .page-privacy .privacy-clause__toggle::before,
  .page-privacy .privacy-clause__toggle::after {
    transition: none;
  }
}
</main>