.page-privacy {
  --rail-w: 208px;
  --privacy-line: 1px solid var(--haze-200);
  display: block;
  padding-bottom: 8px;
}

.page-privacy [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .privacy-head {
  padding-top: calc(var(--header-h) + 32px);
}

.page-privacy .privacy-head .eyebrow {
  margin: 22px 0 10px;
}

.page-privacy .privacy-head h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 0 0 18px;
  max-width: 18em;
}

.page-privacy .privacy-head .lead {
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-700);
  margin: 0;
}

/* 顶部使用记录栏摘要 */
.page-privacy .privacy-summary {
  margin-top: 30px;
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  background: var(--ink-900);
  box-shadow: var(--shadow-soft);
}

.page-privacy .summary-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--coral-100);
  margin: 0 0 10px;
}

.page-privacy .summary-text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.84);
  max-width: 46em;
}

.page-privacy .summary-grid {
  display: grid;
  gap: 16px;
  margin: 0;
}

.page-privacy .summary-grid > div {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 12px;
}

.page-privacy .summary-grid dt {
  font-family: var(--font-interface);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--sand-300);
}

.page-privacy .summary-grid dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

.page-privacy .summary-em {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--coral-100);
}

/* 双栏布局 */
.page-privacy .legal-layout {
  display: grid;
  gap: 28px;
  padding-top: 44px;
  padding-bottom: 64px;
}

/* 目录 */
.page-privacy .rail-title {
  font-family: var(--font-interface);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink-700);
  margin: 0 0 12px;
}

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

.page-privacy .rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--haze-200);
  border-radius: var(--radius-pill);
  background: var(--glass-strong);
  font-family: var(--font-interface);
  font-size: 13px;
  color: var(--ink-700);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .rail-list a:hover,
.page-privacy .rail-list a:focus-visible {
  border-color: var(--coral-500);
  background: var(--coral-100);
  color: var(--ink-900);
}

.page-privacy .rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--coral-500);
}

/* 正文列 */
.page-privacy .legal-main {
  min-width: 0;
}

.page-privacy .legal-main > * {
  max-width: var(--prose-w);
}

.page-privacy .legal-main > .legal-figure {
  max-width: none;
}

.page-privacy .legal-figure {
  margin: 0 0 26px;
}

.page-privacy .legal-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 定义卡 */
.page-privacy .def-card {
  background: var(--sand-300);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin: 0 0 34px;
}

.page-privacy .def-title {
  font-family: var(--font-interface);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ink-700);
  margin: 0 0 14px;
}

.page-privacy .def-list {
  margin: 0;
}

.page-privacy .def-list > div + div {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(11, 35, 64, 0.14);
}

.page-privacy .def-list dt {
  font-family: var(--font-interface);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-privacy .def-list dd {
  margin: 3px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--black-900);
}

/* 条款 */
.page-privacy .legal-section {
  border-top: var(--privacy-line);
  padding-top: 30px;
  margin-top: 30px;
}

.page-privacy .sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .sec-num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--coral-500);
  flex: none;
}

.page-privacy .legal-section h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 0;
}

.page-privacy .legal-section p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--black-900);
}

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

.page-privacy .legal-section a {
  color: var(--ink-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--haze-200);
  transition: color 0.2s var(--ease), text-decoration-color 0.2s var(--ease);
}

.page-privacy .legal-section a:hover,
.page-privacy .legal-section a:focus-visible {
  color: var(--coral-500);
  text-decoration-color: var(--coral-500);
}

.page-privacy .legal-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.page-privacy .legal-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--black-900);
}

.page-privacy .legal-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .legal-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--palm-500);
}

.page-privacy .legal-list strong {
  font-weight: 700;
  color: var(--ink-900);
}

/* 折叠条款 */
.page-privacy .legal-fold-group {
  margin-top: 34px;
  padding-top: 6px;
  border-top: var(--privacy-line);
}

.page-privacy .legal-fold {
  border-bottom: var(--privacy-line);
}

.page-privacy .legal-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-interface);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}

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

.page-privacy .legal-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--coral-500);
  flex: none;
}

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

.page-privacy .legal-fold summary:hover {
  color: var(--coral-500);
}

.page-privacy .legal-fold .fold-body {
  padding: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

/* 底部返回 */
.page-privacy .legal-foot {
  display: flex;
  justify-content: flex-end;
  margin-top: 32px;
  padding-top: 24px;
  border-top: var(--privacy-line);
}

.page-privacy .back-top {
  text-decoration: none;
}

@media (min-width: 720px) {
  .page-privacy .privacy-summary {
    padding: 30px 30px;
  }

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

  .page-privacy .def-card {
    padding: 24px 26px;
  }

  .page-privacy .legal-section p,
  .page-privacy .legal-list li {
    font-size: 16px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .legal-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
    padding-top: 56px;
    padding-bottom: 88px;
  }

  .page-privacy .legal-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-privacy .rail-title {
    border-bottom: var(--privacy-line);
    padding-bottom: 12px;
  }

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

  .page-privacy .rail-list a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 9px 0 9px 15px;
    font-size: 14px;
    line-height: 1.5;
  }

  .page-privacy .rail-list a:hover,
  .page-privacy .rail-list a:focus-visible {
    background: transparent;
    border-left-color: var(--coral-500);
    color: var(--ink-900);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .legal-fold summary::after,
  .page-privacy .rail-list a,
  .page-privacy .legal-section a {
    transition: none;
  }
}
<<<END>>>