.page-privacy {
  --privacy-line: rgba(47, 232, 198, 0.14);
  --privacy-line-soft: rgba(232, 228, 216, 0.10);
  --privacy-measure: 640px;
}

/* 顶部 */
.page-privacy .privacy-head {
  padding-top: clamp(24px, 4vw, 44px);
}

.page-privacy .privacy-head .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-privacy .privacy-head__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
}

.page-privacy .privacy-head__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-head__dot {
  width: 8px;
  height: 8px;
  flex: none;
  background: var(--cyan);
}

.page-privacy .privacy-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.4vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper-hi);
  max-width: 22ch;
}

.page-privacy .privacy-head__lede {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--stone);
}

.page-privacy .privacy-head__facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--privacy-line);
  border: 1px solid var(--privacy-line);
}

.page-privacy .privacy-fact {
  background: var(--ink-2);
  padding: 16px 16px 18px;
}

.page-privacy .privacy-fact__label {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--stone);
  margin-bottom: 8px;
}

.page-privacy .privacy-fact__value {
  margin: 0;
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.page-privacy .privacy-band {
  margin: clamp(28px, 5vw, 52px) 0 0;
  border: 1px solid var(--privacy-line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-privacy .privacy-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 5;
  object-fit: cover;
  opacity: 0.72;
}

/* 主体骨架 */
.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  padding-block: clamp(40px, 6vw, 76px) clamp(56px, 8vw, 104px);
}

/* 左侧索引 */
.page-privacy .privacy-index__label {
  margin: 0 0 14px;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}

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

.page-privacy .privacy-index__link {
  display: block;
  padding: 9px 13px;
  font-size: 0.84rem;
  line-height: 1.3;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--privacy-line);
  background: rgba(12, 32, 25, 0.6);
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

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

/* 正文 */
.page-privacy .privacy-body {
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-sec {
  padding-block: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--privacy-line-soft);
}

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

.page-privacy .privacy-sec__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.28rem, 3.4vw, 1.72rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper-hi);
}

.page-privacy .privacy-sec__no {
  flex: none;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 7px;
  color: var(--ink);
  background: var(--cyan);
}

.page-privacy .privacy-sec__lede {
  margin: 0 0 24px;
  font-size: 0.98rem;
  line-height: 1.82;
  color: var(--stone);
}

.page-privacy .privacy-items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid var(--privacy-line);
}

.page-privacy .privacy-item:last-child {
  border-bottom: 1px solid var(--privacy-line);
}

.page-privacy .privacy-item__key {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-privacy .privacy-item__val {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--paper);
}

/* 折叠细节 */
.page-privacy .privacy-detail {
  margin-top: 18px;
  border: 1px solid var(--privacy-line);
  background: rgba(12, 32, 25, 0.55);
  padding: 0 16px;
}

.page-privacy .privacy-detail > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--cyan-soft);
}

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

.page-privacy .privacy-detail > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--cyan);
  transition: transform 0.2s ease;
}

.page-privacy .privacy-detail[open] > summary::after {
  content: "\2212";
}

.page-privacy .privacy-detail > p {
  margin: 0;
  padding: 0 0 16px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--stone);
  border-top: 1px solid var(--privacy-line-soft);
  padding-top: 14px;
}

/* 行内提示与链接 */
.page-privacy .privacy-note {
  margin: 20px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-privacy .privacy-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
}

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

/* 联系块 */
.page-privacy .privacy-contact {
  margin-top: 26px;
  padding: 22px 20px 24px;
  border: 1px solid var(--line-2);
  background: linear-gradient(140deg, rgba(18, 58, 46, 0.72) 0%, rgba(7, 19, 15, 0.9) 100%);
}

.page-privacy .privacy-contact__label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-privacy .privacy-contact__mail {
  margin: 0 0 14px;
  font-size: clamp(0.92rem, 2.6vw, 1.12rem);
  color: var(--cyan);
  word-break: break-all;
}

.page-privacy .privacy-contact__note {
  margin: 14px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--stone);
}

.page-privacy .privacy-contact__links {
  margin: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 中等屏 */
@media (min-width: 720px) {
  .page-privacy .privacy-item {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-privacy .privacy-item__key {
    padding-top: 4px;
  }
}

/* 桌面端 */
@media (min-width: 980px) {
  .page-privacy .privacy-head__wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-privacy .privacy-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(48px, 5vw, 80px);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 96px;
    border-right: 1px solid var(--privacy-line);
    padding-right: 20px;
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-privacy .privacy-index__link {
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
    padding: 10px 0 10px 14px;
    color: var(--stone);
  }

  .page-privacy .privacy-index__link:hover,
  .page-privacy .privacy-index__link:focus-visible {
    color: var(--cyan);
    background: transparent;
    border-left-color: var(--cyan);
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-head__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-detail > summary::after {
    transition: none;
  }
}