.page-privacy {
  --pr-tint-a: #FAFCFE;
  --pr-tint-b: #F2F6FA;
  --pr-rail: 186px;
  --pr-measure: 42ch;
  background-color: var(--mist);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(26px, 4.6vw, 52px) clamp(24px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  background-color: var(--mist);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .42;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(245, 248, 251, .6) 0%, rgba(245, 248, 251, .42) 52%, var(--mist) 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  max-width: 46rem;
  margin-top: clamp(14px, 2.4vw, 26px);
}

.page-privacy .privacy-hero h1 {
  margin: .3em 0 .5em;
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 900;
  letter-spacing: .06em;
  line-height: 1.16;
  color: var(--ink);
}

.page-privacy .privacy-lede {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: var(--pr-measure);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--slate);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-privacy .privacy-meta__ver {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 主体栅格 ---------- */
.page-privacy .privacy-wrap {
  padding-block: clamp(26px, 4.6vw, 60px) clamp(40px, 7vw, 96px);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-privacy .privacy-body {
  min-width: 0;
  max-width: 46rem;
}

/* ---------- 左侧细索引 ---------- */
.page-privacy .privacy-rail {
  display: none;
}

.page-privacy .privacy-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-rail__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid var(--line);
  color: var(--slate);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-privacy .privacy-rail__link:hover {
  color: var(--ink);
  background-color: var(--pr-tint-b);
}

.page-privacy .privacy-rail__link.is-active {
  border-left-color: var(--gold);
  background-color: var(--pr-tint-b);
  color: var(--ink);
  font-weight: 700;
}

.page-privacy .privacy-rail__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-privacy .privacy-rail__link.is-active .privacy-rail__no {
  color: var(--lake-deep);
}

/* ---------- 章节折叠 ---------- */
.page-privacy .privacy-sec {
  margin: 0 0 4px;
  padding: clamp(18px, 2.8vw, 26px) clamp(16px, 2.6vw, 30px);
  border: 0;
  border-radius: 0 16px 16px 0;
  background-color: transparent;
  scroll-margin-top: 148px;
}

.page-privacy .privacy-body > .privacy-sec:nth-child(even) {
  background-color: var(--pr-tint-b);
}

.page-privacy .privacy-body > .privacy-sec:nth-child(odd) {
  background-color: var(--pr-tint-a);
}

.page-privacy .privacy-sec__sum {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 2px 0;
  list-style: none;
  cursor: pointer;
}

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

.page-privacy .privacy-sec__sum::after {
  content: "＋";
  flex: none;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--lake);
}

.page-privacy .privacy-sec[open] .privacy-sec__sum::after {
  content: "－";
}

.page-privacy .privacy-sec__no {
  flex: none;
  padding-top: .55em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-privacy .privacy-sec__title {
  position: relative;
  flex: 1 1 auto;
  padding-bottom: 10px;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 900;
  letter-spacing: .05em;
  line-height: 1.38;
  color: var(--ink);
}

.page-privacy .privacy-sec__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 46px;
  height: 2px;
  background-color: var(--gold);
}

.page-privacy .privacy-sec__body {
  padding-top: 18px;
}

/* ---------- 正文与条目 ---------- */
.page-privacy .privacy-p {
  max-width: var(--pr-measure);
  margin: 0 0 1.05em;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--ink);
}

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

.page-privacy .privacy-p--muted {
  font-size: 14.5px;
  color: var(--slate);
}

.page-privacy .privacy-p a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 92, 140, .35);
}

.page-privacy .privacy-p a:hover {
  border-bottom-color: var(--lake);
}

.page-privacy .privacy-def {
  margin: 6px 0 1.3em;
  max-width: 100%;
}

.page-privacy .privacy-def__row {
  display: grid;
  gap: 4px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-def__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--lake-deep);
}

.page-privacy .privacy-def__val {
  margin: 0;
  min-width: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-def__val a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 92, 140, .35);
}

.page-privacy .privacy-def__val a:hover {
  border-bottom-color: var(--lake);
}

.page-privacy .privacy-steps {
  list-style: none;
  margin: 6px 0 1.3em;
  padding: 0;
  max-width: var(--pr-measure);
}

.page-privacy .privacy-steps__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-steps__item:first-child {
  border-top: 1px solid var(--line-strong);
}

.page-privacy .privacy-steps__no {
  padding-top: .3em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lake-deep);
}

.page-privacy .privacy-steps__text {
  min-width: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-privacy .privacy-steps__text strong {
  color: var(--ink);
}

/* ---------- 邮箱条 ---------- */
.page-privacy .privacy-mail {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  max-width: 100%;
  margin: 2px 0 1.2em;
  padding: 10px 14px;
  background-color: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lake);
  border-radius: 0 10px 10px 0;
}

.page-privacy .privacy-mail__addr {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--lake-deep);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-privacy .privacy-mail__addr:hover {
  text-decoration: underline;
}

.page-privacy .privacy-copy {
  padding: 3px 11px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--slate);
  background-color: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: color .16s ease, border-color .16s ease;
}

.page-privacy .privacy-copy:hover {
  color: var(--ink);
  border-color: var(--lake);
}

/* ---------- 收尾 ---------- */
.page-privacy .privacy-tail {
  margin-top: clamp(28px, 4.6vw, 52px);
  padding: clamp(24px, 3.6vw, 40px) clamp(20px, 3.4vw, 38px);
  border-radius: 0 20px 20px 0;
  background-image: linear-gradient(152deg, var(--violet) 0%, var(--violet-deep) 58%, var(--lake-deep) 100%);
  color: var(--mist);
}

.page-privacy .privacy-tail h2 {
  margin: 0 0 .55em;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 900;
  letter-spacing: .06em;
  line-height: 1.35;
  color: #fff;
}

.page-privacy .privacy-tail p {
  max-width: 46ch;
  margin: 0 0 1.5em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist-70);
}

.page-privacy .privacy-tail__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.page-privacy .privacy-tail__link {
  display: inline-flex;
  align-items: center;
  padding: .5em .2em;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 216, 154, .42);
  transition: color .16s ease, border-color .16s ease;
}

.page-privacy .privacy-tail__link:hover {
  color: #fff;
  border-bottom-color: var(--gold-light);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .privacy-totop {
  position: fixed;
  right: clamp(14px, 2.6vw, 28px);
  bottom: clamp(14px, 2.6vw, 28px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
  background-color: var(--lake-deep);
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 10px 26px rgba(10, 58, 92, .26);
}

.page-privacy .privacy-totop:hover {
  background-color: var(--violet);
}

@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-totop {
    animation: privacy-totop-in linear both;
    animation-timeline: scroll(root block);
    animation-range: 120vh 165vh;
  }
}

@keyframes privacy-totop-in {
  from {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-privacy .privacy-def__row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-def__key {
    padding-top: .18em;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--pr-rail) minmax(0, 1fr);
    gap: clamp(30px, 5vw, 80px);
  }

  .page-privacy .privacy-rail {
    display: block;
    position: sticky;
    top: 132px;
    align-self: start;
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-body {
    max-width: 48rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-totop {
    animation: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
  }

  .page-privacy .privacy-sec,
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-copy,
  .page-privacy .privacy-tail__link {
    transition-duration: .001ms !important;
  }
}