.page-privacy {
  --privacy-num-col: 2.4rem;
  --privacy-card-pad: clamp(1.15rem, 3vw, 1.9rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-top: clamp(1.5rem, 4vw, 2.75rem);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6.4vw, 3rem);
  line-height: 1.22;
  letter-spacing: 0.04em;
  color: var(--c-white);
  margin: 0.7rem 0 0;
  text-shadow: 0 0 26px rgba(53, 242, 225, 0.16);
}

.page-privacy .privacy-hero__lede {
  margin-top: 1.1rem;
  max-width: 48ch;
  color: var(--c-mist);
  font-size: 1rem;
  line-height: 1.85;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

/* ---------- 摘要卡 ---------- */
.page-privacy .privacy-summary {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--c-graphite);
  padding: var(--privacy-card-pad);
  isolation: isolate;
}

.page-privacy .privacy-summary__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  z-index: 0;
}

.page-privacy .privacy-summary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(11, 16, 23, 0.72), rgba(5, 7, 11, 0.94) 70%);
  z-index: 1;
  pointer-events: none;
}

.page-privacy .privacy-summary__inner {
  position: relative;
  z-index: 2;
}

.page-privacy .privacy-summary__title {
  font-family: var(--font-grotesk);
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
  margin: 0 0 1rem;
  text-transform: uppercase;
}

.page-privacy .privacy-summary__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-privacy .privacy-summary__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  align-items: start;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--c-white);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-privacy .privacy-summary__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .privacy-summary__idx {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-violet);
  padding-top: 0.28rem;
}

/* ---------- 正文与目录 ---------- */
.page-privacy .privacy-body {
  margin-top: clamp(2rem, 6vw, 3.5rem);
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-grotesk);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
  text-transform: uppercase;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  background: rgba(20, 27, 36, 0.6);
  color: var(--c-mist);
  font-size: 0.82rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-privacy .privacy-toc__link .mono {
  font-size: 0.7rem;
  color: var(--c-violet);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--c-white);
  border-color: var(--c-cyan);
  background: var(--c-glass);
}

/* ---------- 条款 ---------- */
.page-privacy .privacy-clauses {
  display: flex;
  flex-direction: column;
}

.page-privacy .clause {
  position: relative;
  padding-left: var(--privacy-num-col);
  padding-top: 1.6rem;
}

.page-privacy .clause + .clause {
  margin-top: 2.2rem;
  border-top: 1px solid var(--line);
}

.page-privacy .clause__num {
  position: absolute;
  left: 0;
  top: 1.95rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  line-height: 1;
}

.page-privacy .clause__title {
  margin: 0;
  font-family: var(--font-grotesk);
  font-size: 1.12rem;
  letter-spacing: 0.04em;
  line-height: 1.45;
  color: var(--c-white);
}

.page-privacy .clause__text {
  margin: 0.85rem 0 0;
  color: var(--c-mist);
  font-size: 0.96rem;
  line-height: 1.85;
}

.page-privacy .clause__text a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .clause__text--note {
  font-size: 0.88rem;
  color: rgba(167, 180, 194, 0.85);
}

.page-privacy .clause__list {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.page-privacy .clause__list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--c-mist);
  font-size: 0.94rem;
  line-height: 1.75;
  border-left: 1px solid var(--line-strong);
}

.page-privacy .clause__list strong {
  color: var(--c-cyan);
  font-weight: 600;
}

/* ---------- 折叠面板 ---------- */
.page-privacy .clause-details {
  margin-top: 1.2rem;
  border: 1px solid var(--line);
  background: rgba(20, 27, 36, 0.72);
}

.page-privacy .clause-details__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-grotesk);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--c-cyan);
}

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

.page-privacy .clause-details__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--c-mist);
  transition: color 0.2s var(--ease);
}

.page-privacy .clause-details[open] .clause-details__summary::after {
  content: "−";
  color: var(--c-cyan);
}

.page-privacy .clause-details__summary:hover::after,
.page-privacy .clause-details__summary:focus-visible::after {
  color: var(--c-white);
}

.page-privacy .clause-details__body {
  padding: 0 1rem 1.1rem;
  display: grid;
  gap: 0.9rem;
  border-top: 1px solid var(--line);
}

.page-privacy .data-item {
  padding-top: 0.9rem;
}

.page-privacy .data-item__name {
  margin: 0 0 0.3rem;
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  color: var(--c-white);
  font-weight: 600;
}

.page-privacy .data-item p:last-child {
  margin: 0;
  color: var(--c-mist);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ---------- 联系卡 ---------- */
.page-privacy .privacy-contact {
  margin-top: 1.3rem;
  padding: var(--privacy-card-pad);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(53, 242, 225, 0.1), rgba(138, 92, 255, 0.1)),
    var(--c-ink);
}

.page-privacy .privacy-contact__list {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.page-privacy .privacy-contact__row {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .privacy-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .privacy-contact__label {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}

.page-privacy .privacy-contact__value {
  margin: 0;
  color: var(--c-white);
  font-size: 0.94rem;
  line-height: 1.6;
  word-break: break-word;
}

.page-privacy .privacy-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.3rem;
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 1fr) 236px;
    align-items: start;
  }

  .page-privacy .privacy-clauses {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
    border-left: 1px solid var(--line);
    padding-left: 1.1rem;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.15rem;
  }

  .page-privacy .privacy-toc__link {
    border: 0;
    background: transparent;
    padding: 0.4rem 0;
    font-size: 0.84rem;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    background: transparent;
    color: var(--c-cyan);
  }

  .page-privacy .clause {
    --privacy-num-col: 3.4rem;
    padding-top: 1.9rem;
  }

  .page-privacy .clause + .clause {
    margin-top: 2.6rem;
  }

  .page-privacy .clause__title {
    font-size: 1.25rem;
  }

  .page-privacy .clause__text {
    font-size: 1rem;
    max-width: 62ch;
  }

  .page-privacy .clause-details__body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.6rem;
    padding: 0 1.2rem 1.3rem;
  }

  .page-privacy .privacy-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.8rem;
  }

  .page-privacy .privacy-contact__row {
    border-bottom: 0;
    padding-bottom: 0;
  }
}

@media (min-width: 1280px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 440px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .clause-details__summary::after {
    transition: none;
  }
}