.page-privacy {
  --pv-rule: var(--line);
  --pv-panel: var(--winter-2);
  background: var(--bg);
  color: var(--ink);
  overflow-x: clip;
}

.page-privacy .breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(28px, 4.5vw, 56px) 0 clamp(24px, 4vw, 48px);
  background:
    radial-gradient(110% 90% at 88% 0%, rgba(43, 227, 200, 0.10), rgba(43, 227, 200, 0) 58%),
    linear-gradient(180deg, var(--winter-2) 0%, rgba(18, 41, 77, 0.35) 48%, var(--bg) 100%);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: min(50%, 560px);
  background-image: repeating-linear-gradient(45deg, rgba(220, 230, 242, 0.07) 0 1px, transparent 1px 20px);
  pointer-events: none;
  z-index: -1;
}

.page-privacy .privacy-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(38px, 7.4vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .privacy-hero__lead {
  margin: 22px 0 0;
  max-width: 56ch;
  color: var(--ink-soft);
}

.page-privacy .privacy-hero__facts {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  max-width: 62ch;
}

.page-privacy .privacy-hero__facts li {
  padding: 13px 0;
  border-top: 1px solid var(--pv-rule);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-privacy .privacy-hero__facts li:last-child {
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .privacy-hero__facts .num {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-privacy .privacy-hero__figure {
  margin: clamp(32px, 5vw, 60px) 0 0;
}

.page-privacy .media-frame__caption {
  color: var(--ink-dim);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  padding-block: clamp(40px, 6vw, 88px) clamp(56px, 8vw, 112px);
}

.page-privacy .privacy-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
}

.page-privacy .rail {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--pv-rule);
}

.page-privacy .rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: -1px;
  padding: 9px 0 9px 16px;
  border-left: 2px solid transparent;
  font-size: 14px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-privacy .rail__dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  background: var(--line-soft);
}

.page-privacy .rail__link:hover .rail__dot,
.page-privacy .rail__link:focus-visible .rail__dot {
  background: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec {
  padding-block: clamp(32px, 4.4vw, 60px);
  border-top: 1px solid var(--pv-rule);
}

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

.page-privacy .privacy-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 16px;
  align-items: baseline;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-privacy .privacy-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
}

.page-privacy .privacy-sec__anchor {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 0.55em;
  color: var(--cyan);
  text-decoration: none;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-privacy .privacy-sec__head:hover .privacy-sec__anchor,
.page-privacy .privacy-sec__anchor:focus-visible {
  opacity: 1;
}

.page-privacy .prose {
  color: var(--ink-soft);
  max-width: 66ch;
  margin: 0 0 clamp(16px, 2vw, 24px);
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-defs {
  margin: 0;
}

.page-privacy .privacy-defs__row {
  padding: 16px 0;
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .privacy-defs__row:first-child {
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .privacy-defs__k {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .privacy-defs__v {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 3vw, 28px);
  background: var(--pv-panel);
  clip-path: var(--cut);
}

.page-privacy .privacy-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-contact__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 15px;
}

.page-privacy .privacy-contact__k {
  flex: 0 0 auto;
  min-width: 76px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .privacy-contact__v {
  min-width: 0;
  color: var(--ink);
  word-break: break-word;
}

.page-privacy .privacy-contact__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(220, 230, 242, 0.16);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 相邻页面 ---------- */
.page-privacy .privacy-sec--related {
  border-top: 1px solid var(--pv-rule);
}

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

.page-privacy .privacy-links li {
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .privacy-links a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  font-size: 16px;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-privacy .privacy-links a:hover,
.page-privacy .privacy-links a:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-privacy .privacy-links__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-hero__facts li {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-privacy .privacy-hero__facts .num {
    margin-bottom: 0;
  }

  .page-privacy .privacy-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 24px;
  }

  .page-privacy .privacy-contact__list li:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(48px, 6vw, 88px);
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 112px;
    align-self: start;
  }

  .page-privacy .privacy-defs__row {
    display: grid;
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 28px;
    padding: 18px 0;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-privacy .rail__link,
  .page-privacy .privacy-sec__anchor,
  .page-privacy .privacy-links a {
    transition: none;
  }
}
</main>