.page-privacy {
  --privacy-grid-line: rgba(42, 74, 107, .30);
  --privacy-card: linear-gradient(180deg, rgba(20, 47, 79, .94), rgba(13, 36, 64, .88));
  --privacy-stack: 8px 8px 0 -1px rgba(42, 74, 107, .38);
  position: relative;
  isolation: isolate;
  color: var(--mist);
  background:
    radial-gradient(1000px 520px at 84% -8%, rgba(0, 229, 255, .12), transparent 62%),
    radial-gradient(760px 420px at 6% 44%, rgba(255, 107, 74, .07), transparent 66%),
    linear-gradient(180deg, var(--deep-sea) 0%, #071528 52%, var(--deep-sea) 100%);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(620px, 72vh);
  background-image:
    linear-gradient(to right, var(--privacy-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--privacy-grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent);
  pointer-events: none;
  z-index: 0;
}

.page-privacy > * {
  position: relative;
  z-index: 1;
}

.page-privacy img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============ 首屏 ============ */
.page-privacy .privacy-hero {
  padding: clamp(30px, 6vw, 80px) 0 clamp(26px, 4vw, 54px);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 18px;
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0;
  color: var(--cyan);
  font-family: var(--font-editorial);
  font-size: 13px;
  letter-spacing: .22em;
}

.page-privacy .privacy-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(36px, 7vw, 68px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-privacy .privacy-hero__intro {
  margin: 16px 0 0;
  max-width: 56ch;
  color: var(--mist);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.78;
}

.page-privacy .privacy-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-fact {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  background: rgba(10, 26, 47, .6);
}

.page-privacy .privacy-fact__val {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--mist);
}

.page-privacy .privacy-fact__key {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-privacy .privacy-hero__figure {
  margin: 0;
}

.page-privacy .privacy-hero__figure .media-frame {
  border: 1px solid var(--line-strong);
  box-shadow: var(--privacy-stack);
}

/* ============ 主体布局 ============ */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(30px, 5vw, 64px);
}

.page-privacy .privacy-index {
  border: 1px solid var(--line-strong);
  background: rgba(13, 36, 64, .72);
  padding: 14px 16px;
}

.page-privacy .privacy-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid transparent;
  color: var(--steel);
  font-size: 14.5px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--cyan);
  border-color: var(--line-strong);
  background: rgba(0, 229, 255, .07);
}

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

.page-privacy .privacy-index__top {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-index__top:hover,
.page-privacy .privacy-index__top:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ============ 条款卡片 ============ */
.page-privacy .privacy-sections {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  min-width: 0;
}

.page-privacy .privacy-clause {
  position: relative;
  padding: clamp(20px, 3vw, 38px);
  background: var(--privacy-card);
  border: 1px solid var(--line-strong);
  box-shadow: var(--privacy-stack);
}

.page-privacy .privacy-clause::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 74, 107, .16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 74, 107, .16) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-privacy .privacy-clause > * {
  position: relative;
}

.page-privacy .privacy-clause__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .privacy-clause__no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid rgba(0, 229, 255, .5);
  background: rgba(0, 229, 255, .08);
  padding: 3px 9px;
}

.page-privacy .privacy-clause h2 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 30px);
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-privacy .privacy-clause__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--steel);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-privacy .privacy-points {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-points li {
  display: grid;
  gap: 6px;
  padding: 13px 15px;
  border-left: 2px solid var(--blueprint);
  background: rgba(10, 26, 47, .5);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-privacy .privacy-points li:hover {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, .06);
}

.page-privacy .privacy-points__key {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-privacy .privacy-points__text {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

/* ============ 折叠细则 ============ */
.page-privacy .privacy-details {
  margin-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 15px;
  color: var(--mist);
  transition: color .18s var(--ease);
}

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

.page-privacy .privacy-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
}

.page-privacy .privacy-details[open] summary::after {
  content: "–";
}

.page-privacy .privacy-details summary:hover,
.page-privacy .privacy-details summary:focus-visible {
  color: var(--cyan);
}

.page-privacy .privacy-details__body {
  padding: 0 0 8px;
  color: var(--steel);
  font-size: 14.8px;
  line-height: 1.8;
}

.page-privacy .privacy-details__body p {
  margin: 0 0 10px;
}

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

/* ============ 纸张提示与联系块 ============ */
.page-privacy .privacy-note {
  margin: 18px 0 0;
  padding: 16px 18px;
  background: var(--paper);
  color: var(--deep-sea);
  border: 1px solid rgba(10, 26, 47, .16);
  box-shadow: 6px 6px 0 -1px rgba(143, 166, 192, .28);
  font-size: 14.8px;
  line-height: 1.75;
}

.page-privacy .privacy-note strong {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.page-privacy .privacy-contact {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px dashed var(--line-strong);
  background: rgba(10, 26, 47, .6);
}

.page-privacy .privacy-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}

.page-privacy .privacy-contact__key {
  min-width: 56px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-privacy .privacy-contact__value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--mist);
  word-break: break-all;
}

.page-privacy .privacy-contact .copy-btn {
  margin-left: auto;
}

/* ============ 结尾行动区 ============ */
.page-privacy .privacy-cta {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(120deg, rgba(0, 229, 255, .12), rgba(255, 107, 74, .09));
}

.page-privacy .privacy-cta__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 24px);
  color: var(--mist);
}

.page-privacy .privacy-cta__text {
  margin: 0;
  max-width: 64ch;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.75;
}

.page-privacy .privacy-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-privacy .privacy-points li {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-privacy .privacy-contact__row {
    flex-wrap: nowrap;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    padding: 16px 18px;
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    overflow: visible;
  }

  .page-privacy .privacy-index__link {
    width: 100%;
    white-space: normal;
  }

  .page-privacy .privacy-index__top {
    margin-top: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: .001ms !important;
  }
}