/* ===== 隐私政策 · 页面专属样式（作用域 .page-privacy） ===== */

.page-privacy {
  --pr-measure: 34em;
  --pr-num-col: 88px;
  --pr-num-gap: 32px;
  position: relative;
  padding-top: clamp(100px, 15vw, 152px);
  color: var(--oy-mist);
  background:
    radial-gradient(110% 55% at 82% -4%, rgba(110, 75, 255, .18), transparent 64%),
    radial-gradient(85% 46% at 2% 8%, rgba(47, 233, 218, .08), transparent 62%);
}

/* ---- 首屏 ---- */

.page-privacy .oy-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(24px, 4vw, 44px);
  font-size: var(--oy-fs-13);
  color: var(--oy-slate);
}

.page-privacy .oy-breadcrumb a {
  color: var(--oy-slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}

.page-privacy .oy-breadcrumb a:hover,
.page-privacy .oy-breadcrumb a:focus-visible {
  color: var(--oy-cyan);
  border-color: var(--oy-line-strong);
}

.page-privacy .pr-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-privacy .pr-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--oy-mono);
  font-size: var(--oy-fs-12);
  letter-spacing: .22em;
  color: var(--oy-bronze);
}

.page-privacy .pr-hero__title {
  margin: 0 0 20px;
  font-size: clamp(44px, 10vw, 88px);
  font-weight: 900;
  line-height: .96;
  letter-spacing: -.02em;
  color: var(--oy-mist);
}

.page-privacy .pr-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: var(--oy-fs-16);
  line-height: 1.85;
  color: var(--oy-slate);
}

.page-privacy .pr-hero__note {
  display: none;
  margin: 0;
  justify-self: end;
  font-family: var(--oy-mono);
  font-size: var(--oy-fs-12);
  letter-spacing: .24em;
  color: var(--oy-slate);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  padding-right: 12px;
  border-right: 1px solid var(--oy-line-warm);
}

/* ---- 顶部横幅 ---- */

.page-privacy .pr-banner {
  position: relative;
  margin: clamp(34px, 6vw, 60px) 0 0;
  padding: 0;
  border-top: 1px solid var(--oy-line);
  border-bottom: 1px solid var(--oy-line);
  overflow: hidden;
}

.page-privacy .pr-banner img {
  display: block;
  width: 100%;
  height: clamp(160px, 30vw, 340px);
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .82;
}

.page-privacy .pr-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(8, 13, 31, .5), rgba(8, 13, 31, .05) 45%, rgba(8, 13, 31, .72));
}

/* ---- 条款主体 ---- */

.page-privacy .pr-doc {
  padding-top: clamp(14px, 3vw, 34px);
  padding-bottom: clamp(20px, 4vw, 40px);
}

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

.page-privacy .pr-clause:first-child {
  border-top: 0;
}

.page-privacy .pr-panel > summary {
  list-style: none;
  cursor: pointer;
}

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

.page-privacy .pr-panel > summary::marker {
  content: "";
}

.page-privacy .pr-panel__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 18px;
  gap: 0 16px;
  align-items: center;
  padding: clamp(22px, 4vw, 30px) 0;
  color: var(--oy-mist);
  outline-offset: 4px;
}

.page-privacy .pr-panel__head:hover .pr-panel__title,
.page-privacy .pr-panel__head:focus-visible .pr-panel__title {
  color: var(--oy-cyan);
}

.page-privacy .pr-panel__num {
  font-size: var(--oy-fs-13);
  line-height: 1;
  letter-spacing: .1em;
  color: var(--oy-bronze);
  padding-bottom: 5px;
  border-bottom: 1px solid var(--oy-line-warm);
}

.page-privacy .pr-panel__title {
  margin: 0;
  font-size: clamp(18px, 3.4vw, 22px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -.01em;
  transition: color .25s ease;
}

.page-privacy .pr-panel__toggle {
  position: relative;
  width: 18px;
  height: 18px;
  justify-self: end;
}

.page-privacy .pr-panel__toggle::before,
.page-privacy .pr-panel__toggle::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--oy-slate);
  transform: translateY(-50%);
  transition: transform .3s ease, opacity .3s ease, background-color .3s ease;
}

.page-privacy .pr-panel__toggle::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-privacy .pr-panel[open] .pr-panel__toggle::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-privacy .pr-panel[open] .pr-panel__body {
  animation: pr-reveal .35s ease both;
}

.page-privacy .pr-panel__body {
  padding-bottom: clamp(26px, 4.5vw, 40px);
}

.page-privacy .pr-panel__body > p {
  margin: 0 0 1.05em;
  max-width: var(--pr-measure);
  font-size: var(--oy-fs-16);
  line-height: 1.9;
  color: var(--oy-slate);
}

.page-privacy .pr-panel__body > p:first-child {
  color: var(--oy-mist);
}

.page-privacy .pr-panel__body > p:last-child {
  margin-bottom: 0;
}

/* ---- 列表 ---- */

.page-privacy .pr-list {
  margin: 0 0 1.15em;
  padding: 0;
  max-width: var(--pr-measure);
  list-style: none;
  display: grid;
  gap: 13px;
}

.page-privacy .pr-list > li {
  position: relative;
  padding-left: 20px;
  font-size: var(--oy-fs-16);
  line-height: 1.85;
  color: var(--oy-slate);
}

.page-privacy .pr-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .95em;
  width: 10px;
  height: 1px;
  background: var(--oy-cyan);
}

.page-privacy .pr-term {
  color: var(--oy-mist);
  font-weight: 600;
}

.page-privacy .pr-mail {
  color: var(--oy-cyan);
  word-break: break-all;
}

/* ---- 保留期限行 ---- */

.page-privacy .pr-list--rows {
  gap: 0;
  margin: 0 0 1.2em;
}

.page-privacy .pr-list--rows > li.pr-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 12px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--oy-line);
}

.page-privacy .pr-list--rows > li.pr-row::before {
  content: none;
}

.page-privacy .pr-row__key {
  color: var(--oy-mist);
  font-size: var(--oy-fs-16);
  font-weight: 600;
  line-height: 1.5;
}

.page-privacy .pr-row__val {
  justify-self: end;
  color: var(--oy-orange);
  font-size: var(--oy-fs-16);
  font-weight: 700;
  white-space: nowrap;
}

.page-privacy .pr-row__use {
  grid-column: 1 / -1;
  font-size: 15px;
  line-height: 1.8;
  color: var(--oy-slate);
}

/* ---- 权利条款标记 ---- */

.page-privacy .pr-callout {
  margin: 0 0 1.2em;
  padding: 4px 0 4px 20px;
  max-width: var(--pr-measure);
  border-left: 2px solid var(--oy-cyan);
}

.page-privacy .pr-callout p {
  margin: 0;
  font-size: var(--oy-fs-18);
  line-height: 1.85;
  color: var(--oy-mist);
}

/* ---- 正文内链 ---- */

.page-privacy .pr-panel__body a {
  color: var(--oy-mist);
  text-decoration: none;
  border-bottom: 1px solid var(--oy-line-strong);
  padding-bottom: 1px;
  transition: color .25s ease, border-color .25s ease;
}

.page-privacy .pr-panel__body a:hover,
.page-privacy .pr-panel__body a:focus-visible {
  color: var(--oy-cyan);
  border-color: var(--oy-cyan);
}

/* ---- 回到顶部 ---- */

.page-privacy .pr-end {
  display: flex;
  justify-content: flex-end;
  padding: clamp(22px, 3.5vw, 34px) 0 clamp(46px, 8vw, 88px);
}

.page-privacy .pr-top-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--oy-mono);
  font-size: var(--oy-fs-13);
  letter-spacing: .1em;
  color: var(--oy-slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: color .25s ease, border-color .25s ease;
}

.page-privacy .pr-top-link:hover,
.page-privacy .pr-top-link:focus-visible {
  color: var(--oy-cyan);
  border-color: var(--oy-line-strong);
}

.page-privacy .pr-top-link__arrow {
  font-size: var(--oy-fs-16);
  line-height: 1;
}

@keyframes pr-reveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---- 平板及以上：左侧编号列 ---- */

@media (min-width: 880px) {
  .page-privacy .pr-hero {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
    align-items: start;
  }

  .page-privacy .pr-hero__note {
    display: block;
    margin-top: 8px;
  }

  .page-privacy .pr-panel__head {
    grid-template-columns: var(--pr-num-col) minmax(0, 1fr) 18px;
    gap: 0 var(--pr-num-gap);
    padding: clamp(32px, 4vw, 46px) 0 clamp(18px, 2.4vw, 24px);
  }

  .page-privacy .pr-panel__num {
    align-self: start;
    font-size: 30px;
    letter-spacing: .04em;
    padding-bottom: 9px;
  }

  .page-privacy .pr-panel__title {
    font-size: var(--oy-fs-24);
  }

  .page-privacy .pr-panel__body {
    padding-left: calc(var(--pr-num-col) + var(--pr-num-gap));
    max-width: calc(var(--pr-num-col) + var(--pr-num-gap) + 620px);
  }

  .page-privacy .pr-panel__body > p,
  .page-privacy .pr-list,
  .page-privacy .pr-callout {
    max-width: 620px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .pr-panel__num {
    font-size: 34px;
  }
}

/* ---- 动效降级 ---- */

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pr-panel[open] .pr-panel__body {
    animation: none;
  }

  .page-privacy .pr-panel__title,
  .page-privacy .pr-panel__toggle::before,
  .page-privacy .pr-panel__toggle::after,
  .page-privacy .pr-top-link,
  .page-privacy .oy-breadcrumb a,
  .page-privacy .pr-panel__body a {
    transition: none;
  }
}