.page-privacy {
  --privacy-rail-w: 236px;
  --privacy-frame-gap: 64px;
  position: relative;
  padding-bottom: clamp(72px, 10vw, 128px);
  color: var(--fg);
  background: var(--ink);
}

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

.page-privacy .breadcrumb {
  margin-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(28px, 5vw, 52px);
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  height: 380px;
  background-image:
    linear-gradient(rgba(40, 224, 208, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 224, 208, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .privacy-h1 {
  position: relative;
  z-index: 1;
  margin: 14px 0 22px;
  max-width: 820px;
  font-family: var(--font-head);
  font-size: clamp(34px, 6.4vw, 70px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-privacy .privacy-lede {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--fg-dim);
}

/* ---------- 横幅图 ---------- */

.page-privacy .privacy-banner {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-privacy .privacy-banner-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--ink-deep);
}

.page-privacy .privacy-banner-frame::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 96px;
  height: 2px;
  background: var(--amber);
}

.page-privacy .privacy-banner-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .privacy-banner-cap {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

/* ---------- 摘要条 ---------- */

.page-privacy .privacy-summary {
  padding: 20px 22px;
  margin-bottom: clamp(32px, 5vw, 56px);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(90deg, rgba(18, 59, 68, 0.55) 0%, rgba(10, 27, 46, 0.2) 100%);
}

.page-privacy .privacy-summary-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-privacy .privacy-summary-list li {
  position: relative;
  padding-left: 40px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg-dim);
}

.page-privacy .privacy-summary-num {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

/* ---------- 两栏骨架 ---------- */

.page-privacy .privacy-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 44px);
  align-items: start;
}

/* ---------- 条款索引 ---------- */

.page-privacy .privacy-rail {
  padding: 16px 18px;
  border: 1px solid var(--hair);
  border-left: 2px solid var(--cyan);
  background: rgba(18, 59, 68, 0.32);
}

.page-privacy .privacy-rail-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-privacy .privacy-rail-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.page-privacy .privacy-rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--fg-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .privacy-rail-list a .mono {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

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

.page-privacy .privacy-top {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

/* ---------- 条款正文 ---------- */

.page-privacy .privacy-block {
  position: relative;
  padding: 4px 0 clamp(30px, 4vw, 44px);
  border-bottom: 1px solid var(--hair);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .privacy-block:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .privacy-h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-privacy .privacy-num {
  flex: none;
  align-self: center;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink-deep);
  background: var(--amber);
}

.page-privacy .privacy-body {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--fg-dim);
}

.page-privacy .privacy-body p {
  margin: 0 0 16px;
}

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

.page-privacy .privacy-body strong {
  font-weight: 500;
  color: var(--mist);
}

.page-privacy .privacy-subhead {
  margin: 22px 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-body ul {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-privacy .privacy-body li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 9px;
}

.page-privacy .privacy-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .privacy-mail {
  color: var(--amber);
  font-size: 0.95em;
  word-break: break-all;
}

.page-privacy .privacy-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 224, 208, 0.35);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

/* ---------- 期限对照 ---------- */

.page-privacy .privacy-terms {
  margin: 0 0 20px;
  border-top: 1px solid var(--hair);
}

.page-privacy .privacy-term {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-term dt {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-privacy .privacy-term dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fg-dim);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 960px) {
  .page-privacy .privacy-frame {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    gap: var(--privacy-frame-gap);
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    padding: 20px 0 20px 20px;
    border: 0;
    border-left: 1px solid var(--hair);
    background: transparent;
  }

  .page-privacy .privacy-rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 12px;
    margin-bottom: 22px;
  }

  .page-privacy .privacy-summary {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    align-items: start;
    gap: 24px;
    padding: 24px 28px;
  }

  .page-privacy .privacy-summary-title {
    margin: 0;
  }

  .page-privacy .privacy-summary-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 32px;
  }

  .page-privacy .privacy-term {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .privacy-body {
    font-size: 16px;
  }
}

@media (min-width: 1240px) {
  .page-privacy .privacy-frame {
    --privacy-frame-gap: 76px;
  }
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail-list a,
  .page-privacy .privacy-top,
  .page-privacy .privacy-body a {
    transition: none;
  }
}

/* ---------- 打印 ---------- */

@media print {
  .page-privacy {
    background: #ffffff;
    color: #111111;
    padding-bottom: 0;
  }

  .page-privacy .privacy-hero::before,
  .page-privacy .privacy-rail,
  .page-privacy .privacy-banner,
  .page-privacy .privacy-summary {
    display: none;
  }

  .page-privacy .privacy-frame {
    display: block;
  }

  .page-privacy .privacy-h1,
  .page-privacy .privacy-h2,
  .page-privacy .privacy-body strong {
    color: #111111;
  }

  .page-privacy .privacy-body,
  .page-privacy .privacy-lede,
  .page-privacy .privacy-term dd {
    color: #333333;
  }

  .page-privacy .privacy-num {
    background: transparent;
    color: #111111;
    border: 1px solid #999999;
  }

  .page-privacy .privacy-block {
    break-inside: avoid;
    border-bottom-color: #dddddd;
  }
}