.page-privacy {
  --pr-rule: rgba(36, 69, 127, .72);
  --pr-rule-soft: rgba(36, 69, 127, .42);
  --pr-idx-w: 268px;
  background: var(--night);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 顶部标识区 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(26px, 5vw, 52px) 0 clamp(28px, 5vw, 48px);
  background:
    radial-gradient(115% 88% at 86% -6%, rgba(34, 224, 224, .18), transparent 62%),
    radial-gradient(80% 70% at 4% 100%, rgba(255, 106, 26, .12), transparent 66%),
    linear-gradient(180deg, var(--deep), var(--night) 82%);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: min(52vw, 460px);
  height: 7px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transform: skewX(-26deg);
  transform-origin: 100% 100%;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: clamp(16px, 3vw, 26px);
}

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

.page-privacy .privacy-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(42px, 8.4vw, 88px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-privacy .privacy-hero__lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--steel);
}

.page-privacy .privacy-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-hero__figure {
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: var(--deep);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: .78;
  filter: saturate(.92);
}

/* ---------- 主体两栏 ---------- */
.page-privacy .privacy-body {
  padding: clamp(34px, 6vw, 76px) 0 clamp(48px, 8vw, 100px);
}

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

/* 章节索引 */
.page-privacy .privacy-index {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(22, 48, 92, .55), rgba(15, 33, 64, .3));
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-index__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

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

.page-privacy .privacy-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-privacy .privacy-index a:hover,
.page-privacy .privacy-index a:focus-visible {
  color: var(--mist);
  border-left-color: var(--orange);
  background-color: rgba(34, 224, 224, .09);
}

.page-privacy .privacy-index__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 条款章节 ---------- */
.page-privacy .privacy-main {
  min-width: 0;
}

.page-privacy .privacy-sec {
  scroll-margin-top: 120px;
}

.page-privacy .privacy-sec .expand {
  border-top: 1px solid var(--pr-rule);
}

.page-privacy .privacy-sec:last-child .expand {
  border-bottom: 1px solid var(--pr-rule);
}

.page-privacy .privacy-sec .expand__btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: clamp(18px, 3vw, 26px) 0;
  border: 0;
  background: none;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-privacy .privacy-sec .expand__btn:hover .privacy-sec__ttl,
.page-privacy .privacy-sec .expand__btn:focus-visible .privacy-sec__ttl {
  color: var(--cyan);
}

.page-privacy .privacy-sec .expand__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-privacy .privacy-sec__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.page-privacy .privacy-sec__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-privacy .privacy-sec__ttl {
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 26px);
  letter-spacing: -.01em;
  color: var(--mist);
  transition: color .18s ease;
}

.page-privacy .privacy-sec .expand__icon {
  flex: 0 0 auto;
  color: var(--cyan);
}

.page-privacy .privacy-sec .expand__panel {
  padding: 0 0 clamp(22px, 3.4vw, 34px);
}

.page-privacy .privacy-sec:target .expand {
  border-top-color: var(--cyan);
}

.page-privacy .privacy-sec:target .privacy-sec__no {
  color: var(--gold);
}

/* ---------- 条款正文排版 ---------- */
.page-privacy .privacy-note {
  max-width: 66ch;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--steel);
}

.page-privacy .privacy-note--after {
  margin-top: 20px;
  margin-bottom: 0;
}

.page-privacy .privacy-list {
  display: grid;
  gap: 14px;
  max-width: 66ch;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .privacy-list b {
  margin-right: 6px;
  color: var(--cyan);
  font-weight: 700;
}

.page-privacy .privacy-steps {
  display: grid;
  gap: 14px;
  max-width: 66ch;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pr-step;
}

.page-privacy .privacy-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
  counter-increment: pr-step;
}

.page-privacy .privacy-steps li::before {
  content: counter(pr-step, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-top: 3px;
  background: var(--cyan);
  color: var(--night);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-privacy .privacy-rows {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  max-width: 66ch;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pr-rule);
}

.page-privacy .privacy-rows dt {
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-privacy .privacy-rows dd {
  margin: 0;
  padding: 6px 0 14px;
  border-bottom: 1px solid var(--pr-rule-soft);
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-contact {
  max-width: 66ch;
  margin-top: 8px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: linear-gradient(90deg, rgba(22, 48, 92, .72), rgba(15, 33, 64, .5));
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-contact__label {
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-privacy .privacy-contact__mail {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  line-height: 1.4;
  word-break: break-all;
}

.page-privacy .privacy-contact__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-privacy .privacy-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-rows {
    grid-template-columns: 168px minmax(0, 1fr);
    column-gap: 24px;
  }

  .page-privacy .privacy-rows dt {
    padding-top: 15px;
    border-bottom: 0;
  }

  .page-privacy .privacy-rows dd {
    padding-top: 15px;
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-shell {
    grid-template-columns: var(--pr-idx-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 112px;
  }

  .page-privacy .privacy-note,
  .page-privacy .privacy-list,
  .page-privacy .privacy-steps,
  .page-privacy .privacy-rows,
  .page-privacy .privacy-contact {
    max-width: 68ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index a,
  .page-privacy .privacy-sec__ttl {
    transition: none;
  }
}