.page-privacy {
  --privacy-rule: var(--line);
  background-color: var(--ink-800);
  color: var(--mist);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

.page-privacy .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-privacy .breadcrumbs a {
  color: var(--mint);
  text-decoration: none;
}

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

.page-privacy .breadcrumbs__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.privacy-hero {
  padding-block: 26px clamp(28px, 5vw, 48px);
  border-bottom: 1px solid var(--privacy-rule);
  background-image:
    linear-gradient(to right, rgba(27, 70, 58, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 70, 58, 0.45) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px;
  background-position: -1px -1px;
}

.privacy-hero__grid {
  display: grid;
  gap: 26px;
}

.privacy-hero__copy .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.privacy-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 7vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.privacy-hero__lede {
  margin: 0 0 22px;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--sage);
}

.privacy-hero__facts {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--privacy-rule);
}

.privacy-hero__facts li {
  display: grid;
  gap: 3px;
  padding-top: 12px;
  border-bottom: 1px solid rgba(27, 70, 58, 0.6);
  padding-bottom: 10px;
}

.privacy-hero__fact-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--mint);
}

.privacy-hero__fact-value {
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.privacy-hero__media {
  margin: 0;
  border: 1px solid var(--privacy-rule);
  box-shadow: var(--shadow-hard);
  background-color: var(--ink-900);
  overflow: hidden;
}

.privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9);
}

.privacy-hero__media figcaption {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--sage);
  border-top: 1px solid var(--privacy-rule);
}

/* ---------- 索引 + 正文 ---------- */
.privacy-layout {
  display: grid;
  gap: 30px;
  padding-top: clamp(28px, 5vw, 52px);
}

.privacy-index {
  align-self: start;
}

.privacy-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.privacy-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--privacy-rule);
}

.privacy-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-left: -1px;
  padding: 9px 0 9px 14px;
  border-left: 1px solid transparent;
  font-size: 14px;
  line-height: 1.45;
  color: var(--sage);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.privacy-index__link:hover,
.privacy-index__link:focus-visible {
  color: var(--mist);
  border-left-color: var(--cyan);
  transform: translateX(2px);
}

.privacy-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mint);
}

.privacy-index__action {
  margin-top: 18px;
}

.privacy-body {
  min-width: 0;
}

.privacy-section {
  padding-block: clamp(24px, 4vw, 38px);
  border-top: 1px solid var(--privacy-rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.privacy-section__head {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 14px;
}

.privacy-section__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.privacy-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 27px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.privacy-section p {
  margin: 0 0 14px;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sage);
}

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

.privacy-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.privacy-list__item {
  padding-left: 16px;
  border-left: 1px solid var(--privacy-rule);
}

.privacy-list__item strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

.privacy-list__item span {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--sage);
}

/* ---------- 可展开说明 ---------- */
.privacy-details {
  margin: 6px 0 18px;
  padding: 12px 0;
  border-top: 1px solid var(--privacy-rule);
  border-bottom: 1px solid var(--privacy-rule);
}

.privacy-details summary {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
  list-style: none;
}

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

.privacy-details summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.privacy-details[open] summary::after {
  content: "\2013";
}

.privacy-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.privacy-details p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--sage);
  max-width: 66ch;
}

/* ---------- 流向示意图 ---------- */
.privacy-flow {
  margin: 22px 0 6px;
  padding: 16px 14px 12px;
  border: 1px solid var(--privacy-rule);
  background-color: var(--ink-700);
  background-image: linear-gradient(135deg, rgba(53, 242, 207, 0.07), transparent 62%);
}

.privacy-flow svg {
  display: block;
  width: 100%;
  height: auto;
}

.privacy-flow .flow-box {
  fill: var(--ink-800);
  stroke: var(--line);
  stroke-width: 1;
}

.privacy-flow .flow-box--core {
  fill: rgba(53, 242, 207, 0.1);
  stroke: var(--cyan);
}

.privacy-flow .flow-line {
  fill: none;
  stroke: #1B463A;
  stroke-width: 1.4;
}

.privacy-flow .flow-text {
  fill: #B8C9C2;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.privacy-flow .flow-text--core {
  fill: #F2FAF6;
  font-weight: 700;
}

.privacy-flow figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--sage);
}

/* ---------- 联系渠道 ---------- */
.privacy-contact {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.privacy-contact__item {
  padding-top: 12px;
  border-top: 2px solid var(--cyan);
}

.privacy-contact__label {
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--mint);
}

.privacy-contact__value {
  margin: 0 0 6px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--mist);
  word-break: break-word;
}

.privacy-contact__value a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 207, 0.4);
}

.privacy-contact__value a:hover,
.privacy-contact__value a:focus-visible {
  border-bottom-color: var(--cyan);
}

.privacy-contact__item:last-child .privacy-contact__value:first-of-type {
  color: var(--magenta);
}

.privacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.privacy-top-link {
  display: inline-block;
  margin-top: 34px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--privacy-rule);
  padding-bottom: 4px;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .privacy-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 18px;
  }

  .privacy-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: start;
  }

  .privacy-hero__media {
    margin-top: 6px;
  }
}

@media (min-width: 1000px) {
  .privacy-layout {
    grid-template-columns: 256px minmax(0, 1fr);
    gap: 56px;
  }

  .privacy-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .privacy-index__link {
    transition: none;
  }

  .privacy-index__link:hover,
  .privacy-index__link:focus-visible {
    transform: none;
  }
}

@media print {
  .page-privacy {
    background: #ffffff;
    color: #111111;
  }

  .page-privacy .privacy-index,
  .page-privacy .privacy-top-link,
  .page-privacy .privacy-hero__media {
    display: none;
  }

  .page-privacy .privacy-layout {
    display: block;
    padding-top: 0;
  }
}
</main>