.page-privacy {
  --privacy-measure: 660px;
  padding: 22px 0 84px;
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--r-panel);
  border: 1px solid var(--line);
  background:
    radial-gradient(130% 120% at 6% 0%, rgba(57, 242, 208, 0.16), transparent 56%),
    linear-gradient(165deg, var(--deep) 0%, var(--ink) 82%);
  padding: 24px 18px 30px;
}

.page-privacy .privacy-hero-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  pointer-events: none;
}

.page-privacy .privacy-hero-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 20px;
}

.page-privacy .privacy-title {
  margin: 14px 0 0;
  font-size: clamp(30px, 8vw, 46px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-lead {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-privacy .privacy-lead + .privacy-lead {
  margin-top: 10px;
}

.page-privacy .hero-meta {
  list-style: none;
  margin: 24px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-size: 12.5px;
  color: var(--fog);
}

.page-privacy .hero-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.page-privacy .hero-meta .mono {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
  opacity: 0.85;
}

.page-privacy .hero-stamp {
  display: none;
}

/* ---------- 布局 ---------- */
.page-privacy .privacy-layout {
  margin-top: 22px;
  display: grid;
  gap: 24px;
}

/* ---------- 目录侧轨 ---------- */
.page-privacy .privacy-rail {
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  background: var(--deep);
  padding: 16px 12px;
}

.page-privacy .rail-title {
  margin: 0 0 12px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--fog);
}

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

.page-privacy .rail-list li {
  flex: 0 0 auto;
}

.page-privacy .rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-privacy .rail-list a:hover,
.page-privacy .rail-list a:focus-visible {
  color: var(--paper);
  border-color: rgba(57, 242, 208, 0.45);
  background: rgba(57, 242, 208, 0.08);
}

.page-privacy .rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .rail-card {
  display: none;
  margin-top: 18px;
  padding: 16px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.page-privacy .rail-card-title {
  margin: 0;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .rail-card-text {
  margin: 8px 0 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

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

.page-privacy .clause {
  position: relative;
  padding: 26px 0 30px;
  border-top: 1px solid var(--line);
}

.page-privacy .clause:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .clause.is-visible {
  animation: privacy-clause-in 320ms var(--ease) both;
}

@keyframes privacy-clause-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-privacy .clause-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-privacy .clause-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--cyan);
}

.page-privacy .clause.is-current .clause-num {
  color: var(--mist);
}

.page-privacy .clause-title {
  margin: 0;
  font-size: clamp(19px, 4.6vw, 25px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-privacy .clause-p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 条目列表 ---------- */
.page-privacy .info-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--line);
  overflow: hidden;
}

.page-privacy .info-list li {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  background: var(--deep);
}

.page-privacy .info-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-privacy .info-val {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

/* ---------- 保留周期面板 ---------- */
.page-privacy .retention-panel {
  margin-top: 20px;
  display: grid;
  gap: 16px;
  padding: 20px 18px;
  border-radius: var(--r-card);
  border: 1px solid rgba(255, 180, 84, 0.42);
  background: linear-gradient(150deg, rgba(255, 180, 84, 0.13), rgba(255, 180, 84, 0.02) 72%);
}

.page-privacy .retention-figure {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
  line-height: 1;
}

.page-privacy .retention-figure .mono {
  font-size: 32px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.01em;
}

.page-privacy .retention-unit {
  font-size: 13px;
  color: var(--fog);
  letter-spacing: 0.06em;
}

.page-privacy .retention-label {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 联系面板 ---------- */
.page-privacy .contact-panel {
  margin-top: 20px;
  padding: 20px 18px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--surface-2), var(--deep));
  display: grid;
  gap: 12px;
}

.page-privacy .contact-panel-title {
  margin: 0 0 2px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .contact-line {
  display: grid;
  gap: 4px;
}

.page-privacy .contact-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--fog);
}

.page-privacy .contact-value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: 0.02em;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
  transition: color var(--dur) var(--ease);
}

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

.page-privacy .contact-note {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 结尾区 ---------- */
.page-privacy .privacy-tail {
  margin-top: 24px;
  padding: 22px 18px;
  border-radius: var(--r-panel);
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(57, 242, 208, 0.08), transparent 62%),
    var(--deep);
}

.page-privacy .tail-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-privacy .tail-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-privacy .tail-links {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width: 620px) {
  .page-privacy .info-list li {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
    padding: 15px 18px;
  }

  .page-privacy .retention-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    padding: 22px 24px;
  }

  .page-privacy .contact-line {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-privacy .contact-panel {
    padding: 22px 24px;
  }
}

@media (min-width: 960px) {
  .page-privacy {
    padding-top: 34px;
    padding-bottom: 110px;
  }

  .page-privacy .privacy-hero {
    padding: 40px 46px 44px;
  }

  .page-privacy .privacy-hero .breadcrumb {
    margin-bottom: 28px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 64px;
    margin-top: 30px;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 104px;
    padding: 20px 12px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }

  .page-privacy .rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-privacy .rail-list li {
    flex: 1 1 auto;
  }

  .page-privacy .rail-list a {
    display: flex;
    width: 100%;
    white-space: normal;
    border-color: transparent;
    padding: 9px 12px;
  }

  .page-privacy .rail-card {
    display: block;
  }

  .page-privacy .clause {
    padding: 30px 0 34px;
  }

  .page-privacy .clause::before {
    content: "";
    position: absolute;
    left: -24px;
    top: 40px;
    bottom: 32px;
    width: 1px;
    background: var(--line);
    transition: background var(--dur) var(--ease);
  }

  .page-privacy .clause.is-current::before {
    background: linear-gradient(180deg, var(--cyan), rgba(57, 242, 208, 0));
  }

  .page-privacy .privacy-tail {
    padding: 28px 30px;
  }
}

@media (min-width: 1280px) {
  .page-privacy .hero-stamp {
    display: block;
    position: absolute;
    top: 108px;
    right: 26px;
    z-index: 1;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.42em;
    color: var(--mist);
    opacity: 0.5;
    pointer-events: none;
  }

  .page-privacy .privacy-hero {
    padding-right: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause.is-visible {
    animation: none;
  }

  .page-privacy .rail-list a,
  .page-privacy .contact-value,
  .page-privacy .clause::before {
    transition: none;
  }
}