.page-privacy {
  --privacy-w: 780px;
  background: var(--ob-paper);
  color: var(--ob-ink);
  font-family: var(--ob-font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  background: var(--ob-night);
  color: var(--ob-paper);
  padding: calc(var(--ob-header-h) + 50px) 0 54px;
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: -12% -12% 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 52% at 86% 10%, rgba(242, 169, 59, 0.20), transparent 62%),
    radial-gradient(54% 48% at 6% 86%, rgba(60, 123, 217, 0.26), transparent 66%),
    radial-gradient(44% 42% at 52% 118%, rgba(30, 158, 107, 0.16), transparent 70%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(245, 238, 225, 0.045) 0 1px,
    transparent 1px 104px
  );
}

.page-privacy .privacy-hero__inner {
  position: relative;
}

.page-privacy .privacy-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
  font-family: var(--ob-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ob-slate);
}

.page-privacy .privacy-crumbs a {
  color: var(--ob-slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ob-ease), border-color 180ms var(--ob-ease);
}

.page-privacy .privacy-crumbs a:hover,
.page-privacy .privacy-crumbs a:focus-visible {
  color: var(--ob-gold);
  border-bottom-color: currentColor;
}

.page-privacy .privacy-hero__title {
  margin: 0;
  max-width: 13ch;
  font-family: var(--ob-font-display);
  font-weight: 900;
  font-size: clamp(36px, 9vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ob-paper);
}

.page-privacy .privacy-hero__lead {
  margin: 22px 0 0;
  max-width: 42ch;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(245, 238, 225, 0.76);
}

.page-privacy .privacy-hero__art {
  margin: 44px 0 0;
  padding: 0;
}

.page-privacy .privacy-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--ob-glass-line);
}

/* ---------- 说明书主体 ---------- */
.page-privacy .privacy-manual {
  padding: 52px 0 62px;
}

.page-privacy .privacy-manual--tail {
  padding: 54px 0 18px;
}

.page-privacy .privacy-flow {
  max-width: var(--privacy-w);
  margin: 0 auto;
}

.page-privacy .privacy-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  border-top: 1px solid var(--ob-hairline);
  padding: 30px 0;
}

.page-privacy .privacy-item:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-item__num {
  font-family: var(--ob-font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ob-muted);
  transition: color 220ms var(--ob-ease);
}

.page-privacy .privacy-item:hover .privacy-item__num,
.page-privacy .privacy-item:focus-within .privacy-item__num {
  color: var(--ob-gold);
}

.page-privacy .privacy-item__title {
  margin: 0 0 14px;
  font-family: var(--ob-font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 26px);
  line-height: 1.38;
  letter-spacing: -0.01em;
  color: var(--ob-ink);
}

.page-privacy .privacy-item__body p {
  margin: 0 0 12px;
  max-width: 64ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--ob-ink);
}

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

.page-privacy .privacy-mono {
  font-family: var(--ob-font-mono);
  font-size: 0.9em;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(60, 123, 217, 0.11);
  color: #17427F;
  overflow-wrap: anywhere;
}

/* ---------- 折叠的次级条款 ---------- */
.page-privacy .privacy-more {
  margin-top: 18px;
  max-width: 64ch;
  border: 1px solid var(--ob-hairline);
  border-radius: 10px;
  background: var(--ob-paper-2);
  padding: 0 18px;
}

.page-privacy .privacy-more > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--ob-night-2);
  transition: color 180ms var(--ob-ease);
}

.page-privacy .privacy-more > summary:hover,
.page-privacy .privacy-more > summary:focus-visible {
  color: var(--ob-blue);
}

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

.page-privacy .privacy-more > summary::before {
  content: "+";
  font-family: var(--ob-font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--ob-blue);
}

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

.page-privacy .privacy-more__list {
  margin: 0;
  padding: 0 0 18px;
  list-style: none;
  counter-reset: pmore;
}

.page-privacy .privacy-more__list li {
  position: relative;
  counter-increment: pmore;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ob-ink);
}

.page-privacy .privacy-more__list li:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-more__list li::before {
  content: counter(pmore, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--ob-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ob-blue);
}

/* ---------- 玻璃带 ---------- */
.page-privacy .privacy-glass {
  position: relative;
  overflow: hidden;
  background: var(--ob-night);
  padding: 52px 0;
}

.page-privacy .privacy-glass::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(72% 110% at 18% 0%, rgba(242, 169, 59, 0.16), transparent 64%),
    radial-gradient(62% 110% at 100% 100%, rgba(30, 158, 107, 0.16), transparent 64%);
}

.page-privacy .privacy-glass__panel {
  position: relative;
  max-width: var(--privacy-w);
  margin: 0 auto;
  padding: 30px 24px;
  border-radius: 16px;
  border: 1px solid var(--ob-glass-line);
  background: var(--ob-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ob-paper);
  box-shadow: inset 0 1px 0 rgba(245, 238, 225, 0.14);
}

.page-privacy .privacy-glass__kicker {
  margin: 0 0 12px;
  font-family: var(--ob-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ob-yellow);
}

.page-privacy .privacy-glass__lead {
  margin: 0 0 12px;
  font-family: var(--ob-font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--ob-paper);
}

.page-privacy .privacy-glass__sub {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.76;
  color: rgba(245, 238, 225, 0.72);
}

/* ---------- 坐标索引收尾 ---------- */
.page-privacy .privacy-next {
  background: var(--ob-night-2);
  color: var(--ob-paper);
  padding: 58px 0 76px;
}

.page-privacy .privacy-next__head {
  max-width: var(--privacy-w);
  margin: 0 auto 24px;
}

.page-privacy .privacy-next__kicker {
  margin: 0;
  font-family: var(--ob-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ob-yellow);
}

.page-privacy .privacy-next__title {
  margin: 8px 0 0;
  font-family: var(--ob-font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ob-paper);
}

.page-privacy .privacy-next__list {
  list-style: none;
  max-width: var(--privacy-w);
  margin: 0 auto;
  padding: 0 0 6px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .privacy-next__list > li {
  display: flex;
  flex: 0 0 82%;
  scroll-snap-align: start;
}

.page-privacy .privacy-next__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  height: 100%;
  padding: 22px 20px;
  border-radius: 14px;
  border: 1px solid var(--ob-glass-line);
  background: var(--ob-glass);
  color: var(--ob-paper);
  text-decoration: none;
  transition: transform 220ms var(--ob-ease),
    border-color 220ms var(--ob-ease),
    background 220ms var(--ob-ease);
}

.page-privacy .privacy-next__card:hover,
.page-privacy .privacy-next__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--ob-gold);
  background: rgba(242, 169, 59, 0.10);
}

.page-privacy .privacy-next__coord {
  font-family: var(--ob-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ob-yellow);
}

.page-privacy .privacy-next__name {
  font-family: var(--ob-font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.42;
  color: var(--ob-paper);
}

.page-privacy .privacy-next__why {
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(245, 238, 225, 0.70);
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 760px) {
  .page-privacy .privacy-hero {
    padding: calc(var(--ob-header-h) + 68px) 0 64px;
  }

  .page-privacy .privacy-hero__art {
    margin-top: 52px;
  }

  .page-privacy .privacy-manual {
    padding: 64px 0 70px;
  }

  .page-privacy .privacy-manual--tail {
    padding: 62px 0 20px;
  }

  .page-privacy .privacy-item {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 0 30px;
    padding: 42px 0;
  }

  .page-privacy .privacy-item:first-of-type {
    padding-top: 0;
  }

  .page-privacy .privacy-item__num {
    font-size: 18px;
    padding-top: 4px;
  }

  .page-privacy .privacy-glass {
    padding: 62px 0;
  }

  .page-privacy .privacy-glass__panel {
    padding: 40px 44px;
  }
}

@media (min-width: 880px) {
  .page-privacy .privacy-next__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    overflow: visible;
  }

  .page-privacy .privacy-next__list > li {
    flex: none;
    scroll-snap-align: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }

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