.page-privacy {
  --pr-gutter: 20px;
  --pr-hair: rgba(244, 241, 232, .14);
  --pr-hair-strong: rgba(244, 241, 232, .3);
  --pr-glass: rgba(244, 241, 232, .06);
  --pr-muted: rgba(244, 241, 232, .72);
}

/* ---------- 页首 ---------- */
.page-privacy .pr-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 82% 4%, rgba(53, 227, 210, .16), transparent 56%),
    radial-gradient(90% 70% at 6% 96%, rgba(201, 162, 39, .12), transparent 60%),
    linear-gradient(152deg, var(--c-pine-2) 0%, var(--c-pine) 58%, var(--c-ink) 100%);
  border-bottom: 1px solid var(--pr-hair-strong);
}

.page-privacy .pr-hero__bg {
  position: absolute;
  inset: 0;
  opacity: .38;
  pointer-events: none;
}

.page-privacy .pr-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-privacy .pr-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 33, 27, .5) 0%, rgba(11, 33, 27, .9) 72%, var(--c-pine) 100%),
    repeating-linear-gradient(180deg, rgba(244, 241, 232, .03) 0 1px, transparent 1px 4px);
}

.page-privacy .pr-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding: 28px var(--pr-gutter) 40px;
}

.page-privacy .pr-hero .crumb {
  margin-bottom: 22px;
}

.page-privacy .pr-hero__kicker {
  display: inline-block;
  margin: 0 0 12px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--c-gold);
  color: var(--c-gold);
  font-size: var(--fs-12);
  letter-spacing: .22em;
}

.page-privacy .pr-hero h1 {
  max-width: 20ch;
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-28);
  line-height: 1.28;
  letter-spacing: .02em;
  color: var(--c-cream);
}

.page-privacy .pr-hero .lede {
  max-width: 56ch;
  margin: 0 0 26px;
  color: var(--pr-muted);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-privacy .pr-summary {
  max-width: 62ch;
  padding: 18px 18px 20px;
  border-left: 3px solid var(--c-cyan);
  background: linear-gradient(120deg, rgba(244, 241, 232, .1), rgba(244, 241, 232, .02));
}

.page-privacy .pr-summary__label {
  margin: 0 0 8px;
  color: var(--c-cyan);
  font-size: var(--fs-12);
  letter-spacing: .18em;
}

.page-privacy .pr-summary__text {
  margin: 0;
  color: var(--c-cream);
  font-size: var(--fs-16);
  line-height: 1.78;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pr-body {
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding: 0 var(--pr-gutter) 72px;
}

/* ---------- 章节轨道：移动端为顶部横向条 ---------- */
.page-privacy .pr-rail {
  position: sticky;
  top: var(--topbar-h);
  z-index: 6;
  margin: 0 calc(-1 * var(--pr-gutter)) 26px;
  padding: 10px var(--pr-gutter) 8px;
  background: rgba(11, 33, 27, .94);
  border-bottom: 1px solid var(--pr-hair);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

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

.page-privacy .pr-rail__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pr-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 10px 6px;
  border-bottom: 2px solid transparent;
  color: var(--pr-muted);
  font-size: var(--fs-14);
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s ease, border-color .18s ease;
}

.page-privacy .pr-rail__link:hover,
.page-privacy .pr-rail__link:focus-visible {
  color: var(--c-cream);
  border-bottom-color: var(--c-cyan);
}

.page-privacy .pr-rail__no {
  color: var(--c-gold);
  font-size: var(--fs-12);
  letter-spacing: .1em;
}

/* ---------- 正文 ---------- */
.page-privacy .pr-read {
  min-width: 0;
}

.page-privacy .pr-sec {
  padding: 30px 0 26px;
  border-top: 1px solid var(--pr-hair);
  scroll-margin-top: 118px;
}

.page-privacy .pr-sec:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-privacy .pr-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .pr-sec__no {
  flex: none;
  color: var(--c-gold);
  font-size: var(--fs-14);
  letter-spacing: .16em;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--c-gold);
  line-height: 1.2;
}

.page-privacy .pr-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-20);
  line-height: 1.4;
  letter-spacing: .02em;
  color: var(--c-cream);
}

.page-privacy .pr-sec__lede {
  margin: 0 0 20px;
  color: var(--pr-muted);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-privacy .pr-read p {
  color: var(--pr-muted);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-privacy .pr-read p + p {
  margin-top: 14px;
}

.page-privacy .pr-read a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 227, 210, .4);
  transition: border-color .18s ease, color .18s ease;
}

.page-privacy .pr-read a:hover,
.page-privacy .pr-read a:focus-visible {
  color: var(--c-cream);
  border-bottom-color: var(--c-gold);
}

/* ---------- 条款行 ---------- */
.page-privacy .pr-terms {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pr-term {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0 17px;
  border-bottom: 1px solid var(--pr-hair);
}

.page-privacy .pr-term:first-child {
  border-top: 1px solid var(--pr-hair);
}

.page-privacy .pr-term__no {
  color: var(--c-clay);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  padding-top: 4px;
}

.page-privacy .pr-term__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-16);
  letter-spacing: .02em;
  color: var(--c-cream);
}

.page-privacy .pr-term__body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
}

/* ---------- 用途三分区 ---------- */
.page-privacy .pr-uses {
  display: grid;
  gap: 0;
}

.page-privacy .pr-use {
  position: relative;
  padding: 18px 0 20px 20px;
  border-left: 2px solid rgba(63, 107, 84, .8);
}

.page-privacy .pr-use + .pr-use {
  margin-top: 2px;
}

.page-privacy .pr-use__no {
  display: block;
  margin-bottom: 6px;
  color: var(--c-cyan);
  font-size: var(--fs-12);
  letter-spacing: .16em;
}

.page-privacy .pr-use__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-16);
  letter-spacing: .02em;
  color: var(--c-cream);
}

.page-privacy .pr-use p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
}

/* ---------- 项目列表 ---------- */
.page-privacy .pr-bullets {
  margin: 0 0 4px;
  padding: 0;
  list-style: none;
}

.page-privacy .pr-bullets li {
  position: relative;
  padding: 9px 0 9px 18px;
  color: var(--pr-muted);
  font-size: var(--fs-14);
  line-height: 1.78;
  border-bottom: 1px solid var(--pr-hair);
}

.page-privacy .pr-bullets li:last-child {
  border-bottom: 0;
}

.page-privacy .pr-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 7px;
  height: 2px;
  background: var(--c-gold);
}

.page-privacy .pr-bullets--tight li {
  padding-top: 7px;
  padding-bottom: 7px;
}

/* ---------- 折叠 ---------- */
.page-privacy .pr-fold {
  margin-top: 16px;
  padding: 0 16px;
  border: 1px solid var(--pr-hair-strong);
  background: linear-gradient(150deg, rgba(20, 51, 40, .78), rgba(11, 33, 27, .5));
}

.page-privacy .pr-fold summary {
  position: relative;
  padding: 14px 30px 14px 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-16);
  letter-spacing: .02em;
  color: var(--c-cream);
  list-style: none;
}

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

.page-privacy .pr-fold summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 13px;
  color: var(--c-gold);
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1;
}

.page-privacy .pr-fold[open] summary::after {
  content: "\2212";
  color: var(--c-cyan);
}

.page-privacy .pr-fold .pr-bullets {
  padding-bottom: 12px;
}

/* ---------- 保留条款小块 ---------- */
.page-privacy .pr-block {
  padding: 16px 0;
  border-bottom: 1px solid var(--pr-hair);
}

.page-privacy .pr-block:last-child {
  border-bottom: 0;
}

.page-privacy .pr-block__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-16);
  letter-spacing: .02em;
  color: var(--c-cream);
}

.page-privacy .pr-block__title::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 2px;
  margin-right: 9px;
  vertical-align: 5px;
  background: var(--c-moss);
}

.page-privacy .pr-block p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
}

/* ---------- 联系通道 ---------- */
.page-privacy .pr-channels {
  margin-top: 24px;
  padding: 18px 18px 20px;
  border: 1px solid var(--pr-hair-strong);
  background: linear-gradient(140deg, rgba(20, 51, 40, .82), rgba(10, 15, 18, .6));
}

.page-privacy .pr-channels__hint {
  margin: 0 0 14px;
  color: var(--c-cream);
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-privacy .pr-channels__list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-privacy .pr-channels__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-privacy .pr-channels__k {
  flex: none;
  min-width: 44px;
  color: var(--c-stone);
  font-size: var(--fs-12);
  letter-spacing: .14em;
}

.page-privacy .pr-channels__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--pr-hair);
  color: var(--pr-muted);
  font-size: var(--fs-14);
  line-height: 1.75;
}

.page-privacy .pr-channels .copy-chip {
  border: 1px solid var(--pr-hair-strong);
  background: rgba(244, 241, 232, .05);
  color: var(--c-cyan);
  padding: 7px 12px;
  font-size: var(--fs-14);
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.page-privacy .pr-channels .copy-chip:hover,
.page-privacy .pr-channels .copy-chip:focus-visible {
  border-color: var(--c-cyan);
  background: rgba(53, 227, 210, .08);
  color: var(--c-cream);
}

.page-privacy .pr-channels .copy-chip.is-copied {
  border-color: var(--c-gold);
  color: var(--c-gold);
  background: rgba(201, 162, 39, .1);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-privacy .pr-hero__inner {
    padding: 44px 40px 56px;
  }

  .page-privacy .pr-hero h1 {
    font-size: var(--fs-40);
    max-width: 18ch;
  }

  .page-privacy .pr-body {
    --pr-gutter: 40px;
  }

  .page-privacy .pr-terms {
    padding-left: 4px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pr-body {
    display: grid;
    grid-template-columns: minmax(0, 720px) 194px;
    grid-template-areas: "read rail";
    justify-content: center;
    column-gap: 64px;
    align-items: start;
    padding-bottom: 104px;
  }

  .page-privacy .pr-read {
    grid-area: read;
  }

  .page-privacy .pr-rail {
    grid-area: rail;
    position: sticky;
    top: 48px;
    margin: 0;
    padding: 10px 0 0;
    background: none;
    border-bottom: 0;
    overflow: visible;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
  }

  .page-privacy .pr-rail__list {
    display: block;
  }

  .page-privacy .pr-rail__link {
    display: flex;
    align-items: baseline;
    width: 100%;
    padding: 10px 0 10px 13px;
    border: 0;
    border-left: 2px solid rgba(201, 162, 39, .32);
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .pr-rail__link:hover,
  .page-privacy .pr-rail__link:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--c-cyan);
    background: linear-gradient(90deg, rgba(53, 227, 210, .08), transparent 78%);
    color: var(--c-cream);
  }

  .page-privacy .pr-sec {
    padding: 40px 0 34px;
    scroll-margin-top: 40px;
  }

  .page-privacy .pr-sec__title {
    font-size: var(--fs-28);
  }

  .page-privacy .pr-term {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 18px;
    padding: 20px 0 22px;
  }

  .page-privacy .pr-term__body p {
    font-size: var(--fs-16);
  }

  .page-privacy .pr-terms {
    padding-left: 0;
  }
}

@media (min-width: 1180px) {
  .page-privacy .pr-hero__inner {
    padding: 56px 64px 68px;
  }

  .page-privacy .pr-hero h1 {
    font-size: var(--fs-56);
    max-width: 16ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pr-rail__link,
  .page-privacy .pr-read a,
  .page-privacy .pr-channels .copy-chip {
    transition: none;
  }
}