.page-privacy {
  --privacy-body-w: 680px;
  --privacy-rail-w: 64px;
  --privacy-grid-line: rgba(42, 46, 54, 0.55);

  position: relative;
  background-color: var(--c-red-deep);
  color: var(--c-white);
  padding-bottom: 88px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: 32px 0 44px;
  border-bottom: var(--edge);
}
.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--privacy-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--privacy-grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(72% 128% at 14% 0%, #000 8%, transparent 74%);
  mask-image: radial-gradient(72% 128% at 14% 0%, #000 8%, transparent 74%);
  pointer-events: none;
  z-index: 0;
}
.page-privacy .privacy-hero > * {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__title {
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin: 10px 0 18px;
  max-width: 820px;
}

.page-privacy .privacy-hero__lead {
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(242, 244, 247, 0.74);
  max-width: var(--privacy-body-w);
  margin: 0 0 26px;
}

.page-privacy .privacy-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .privacy-hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--c-gray);
  padding: 7px 13px;
  border: var(--edge);
  background: rgba(10, 10, 12, 0.6);
}
.page-privacy .privacy-hero__facts .num {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-yellow);
}

/* ---------- 横幅 ---------- */
.page-privacy .privacy-banner {
  margin: 40px auto 0;
  border: var(--edge);
  background: var(--c-ink);
}
.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06) brightness(0.92);
}
.page-privacy .privacy-banner figcaption {
  margin: 0;
  padding: 12px 16px;
  border-top: var(--edge);
  border-left: 3px solid var(--c-red);
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--c-gray);
}

/* ---------- 两栏骨架 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  margin-top: 56px;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: 30px 0;
  border-top: var(--edge);
  scroll-margin-top: 96px;
}
.page-privacy .privacy-sec:first-child {
  border-top: 1px solid var(--c-red);
  padding-top: 26px;
}

.page-privacy .privacy-sec__rail {
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-privacy .privacy-sec__rail::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--c-grid);
}
.page-privacy .privacy-sec__num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-red);
}

.page-privacy .privacy-sec__title {
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--c-white);
}

.page-privacy .privacy-sub {
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-yellow);
  margin: 20px 0 6px;
}

.page-privacy .privacy-sec__body p {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(242, 244, 247, 0.76);
  margin: 0 0 12px;
  max-width: var(--privacy-body-w);
}
.page-privacy .privacy-sec__body p:last-child {
  margin-bottom: 0;
}
.page-privacy .privacy-sec__body a {
  color: var(--c-neon);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-privacy .privacy-sec__body a:hover,
.page-privacy .privacy-sec__body a:focus-visible {
  color: var(--c-white);
  background: rgba(255, 77, 109, 0.18);
}

/* ---------- 列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  max-width: var(--privacy-body-w);
}
.page-privacy .privacy-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(242, 244, 247, 0.76);
}
.page-privacy .privacy-list li:last-child {
  margin-bottom: 0;
}
.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--c-red);
}
.page-privacy .privacy-list strong {
  color: var(--c-white);
  font-weight: 700;
}

/* ---------- 保留期限表 ---------- */
.page-privacy .privacy-keep {
  margin: 6px 0 16px;
  max-width: var(--privacy-body-w);
}
.page-privacy .privacy-keep__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0 13px 14px;
  border-top: var(--edge);
  border-left: 3px solid var(--c-grid);
}
.page-privacy .privacy-keep__row:last-child {
  border-bottom: var(--edge);
}
.page-privacy .privacy-keep__row dt {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.6;
}
.page-privacy .privacy-keep__row dd {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(242, 244, 247, 0.72);
}

/* ---------- 联系信息 ---------- */
.page-privacy .privacy-contact {
  margin: 6px 0 18px;
  max-width: var(--privacy-body-w);
}
.page-privacy .privacy-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: var(--edge);
}
.page-privacy .privacy-contact__row:first-child {
  border-top: var(--edge);
}
.page-privacy .privacy-contact__row dt {
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-gray);
}
.page-privacy .privacy-contact__row dd {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--c-white);
  word-break: break-word;
}

/* ---------- 章节目录（移动端：顶部标签条） ---------- */
.page-privacy .privacy-index {
  order: -1;
  border: var(--edge);
  background: rgba(10, 10, 12, 0.62);
  padding: 18px 16px;
}
.page-privacy .privacy-index__title {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-gray);
}
.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-privacy .privacy-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 10px;
  border: var(--edge);
  font-size: var(--fs-12);
  color: rgba(242, 244, 247, 0.7);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.page-privacy .privacy-index__list a:hover,
.page-privacy .privacy-index__list a:focus-visible {
  color: var(--c-white);
  border-color: var(--c-neon);
  background: rgba(255, 77, 109, 0.12);
}
.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--c-red);
}

.page-privacy .privacy-totop {
  display: none;
}

/* ---------- 窄屏以上的章节缩进 ---------- */
@media (min-width: 760px) {
  .page-privacy .privacy-sec {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    column-gap: 20px;
    padding: 36px 0;
  }
  .page-privacy .privacy-sec__rail {
    display: block;
    padding-right: 16px;
    border-right: var(--edge);
  }
  .page-privacy .privacy-sec__rail::after {
    display: none;
  }
  .page-privacy .privacy-keep__row {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
  .page-privacy .privacy-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

/* ---------- 桌面端：右侧跟随目录 ---------- */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 216px;
    gap: 72px;
  }
  .page-privacy .privacy-index {
    order: 0;
    position: sticky;
    top: calc(var(--hdr-h-min) + 28px);
    align-self: start;
    border: 0;
    border-top: 2px solid var(--c-red);
    background: transparent;
    padding: 18px 0 0;
  }
  .page-privacy .privacy-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }
  .page-privacy .privacy-index__list li + li {
    margin-top: 2px;
  }
  .page-privacy .privacy-index__list a {
    display: flex;
    width: 100%;
    align-items: baseline;
    padding: 8px 0 8px 12px;
    border: 0;
    border-left: 2px solid transparent;
    font-size: var(--fs-14);
  }
  .page-privacy .privacy-index__list a:hover,
  .page-privacy .privacy-index__list a:focus-visible {
    border-left-color: var(--c-neon);
    background: linear-gradient(90deg, rgba(255, 77, 109, 0.14), transparent 82%);
  }
  .page-privacy .privacy-totop {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    margin-top: 22px;
    padding-top: 16px;
    border-top: var(--edge);
    font-size: var(--fs-12);
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--c-gray);
    text-decoration: none;
    transition: color 0.2s ease;
  }
  .page-privacy .privacy-totop:hover,
  .page-privacy .privacy-totop:focus-visible {
    color: var(--c-white);
  }
}
.page-privacy .privacy-totop::before {
  content: "↑";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-red);
}