.page-privacy {
  --privacy-rail-w: 156px;
  --privacy-measure: 37em;
}

/* ---------- 页头 ---------- */

.page-privacy .privacy-head {
  max-width: 44rem;
  padding-top: clamp(24px, 5vw, 48px);
}

.page-privacy .privacy-head .crumbs {
  margin-bottom: clamp(20px, 4vw, 30px);
}

.page-privacy .privacy-head__title {
  font-family: var(--font-display);
  font-size: var(--fs-44);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.06;
  color: var(--paper-100);
  margin: 0.4rem 0 0.9rem;
}

.page-privacy .privacy-head__lede {
  max-width: 36em;
  color: var(--muted-400);
}

/* ---------- 顶部纹理条 ---------- */

.page-privacy .privacy-hero {
  margin: clamp(26px, 5vw, 44px) 0 clamp(34px, 6vw, 60px);
  border: 1px solid var(--line-500);
  border-radius: var(--r-md);
  overflow: hidden;
  background: linear-gradient(118deg, var(--ink-800), var(--ink-900));
}

.page-privacy .privacy-hero img {
  display: block;
  width: 100%;
  height: clamp(128px, 17vw, 190px);
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.68;
}

/* ---------- 双列骨架：左目录 + 右窄栏正文 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 40px);
  padding-bottom: clamp(48px, 8vw, 92px);
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail-w) minmax(0, var(--privacy-measure));
    justify-content: center;
    column-gap: clamp(36px, 6vw, 76px);
  }
}

/* ---------- 章节目录 ---------- */

.page-privacy .privacy-rail__title {
  font-family: var(--font-num);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--muted-400);
  margin: 0 0 0.85rem;
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
}

.page-privacy .privacy-rail__link {
  display: block;
  font-size: var(--fs-14);
  font-family: var(--font-num);
  letter-spacing: 0.02em;
  color: var(--muted-400);
  text-decoration: none;
  padding: 0.32rem 0.8rem;
  border: 1px solid var(--line-500);
  border-radius: var(--r-pill);
  transition: color var(--dur-2) var(--ease),
              border-color var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--cyan-200);
  border-color: var(--cyan-200);
}

.page-privacy .privacy-rail__link[data-active] {
  color: var(--ink-900);
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

@media (min-width: 900px) {
  .page-privacy .privacy-rail {
    position: sticky;
    top: 132px;
    align-self: start;
  }

  .page-privacy .privacy-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-privacy .privacy-rail__link {
    border: 0;
    border-left: 2px solid var(--line-500);
    border-radius: 0;
    padding: 0.34rem 0 0.34rem 0.8rem;
    background: none;
  }

  .page-privacy .privacy-rail__link:hover,
  .page-privacy .privacy-rail__link:focus-visible {
    border-left-color: var(--cyan-200);
  }

  .page-privacy .privacy-rail__link[data-active] {
    color: var(--cyan-400);
    background: none;
    border-left-color: var(--cyan-400);
  }
}

/* ---------- 章节条 ---------- */

.page-privacy .privacy-section {
  padding-block: clamp(26px, 5vw, 42px);
  border-top: 1px solid var(--line-500);
}

.page-privacy .privacy-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-section__num {
  display: block;
  font-family: var(--font-num);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gold-400);
  margin: 0 0 0.55rem;
}

@media (min-width: 900px) {
  .page-privacy .privacy-section {
    display: grid;
    grid-template-columns: 3.6rem minmax(0, 1fr);
  }

  .page-privacy .privacy-section__num {
    margin: 0.42rem 0 0;
    padding-left: 0.15rem;
  }
}

.page-privacy .privacy-section__title {
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.18;
  color: var(--paper-100);
  margin: 0 0 1rem;
}

.page-privacy .privacy-section__content p {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--paper-100);
  margin: 0 0 0.9rem;
}

/* ---------- 条目列表 ---------- */

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.62rem;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper-100);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 9px;
  height: 2px;
  background: var(--cyan-400);
}

/* ---------- 定义式数据条目 ---------- */

.page-privacy .privacy-defs {
  margin: 1.1rem 0 1.1rem;
  padding: 0;
  display: grid;
  gap: 0.95rem;
}

.page-privacy .privacy-defs dt {
  font-family: var(--font-num);
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--gold-400);
}

.page-privacy .privacy-defs dd {
  margin: 0.24rem 0 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper-100);
}

.page-privacy .privacy-mail {
  font-family: var(--font-num);
  font-weight: 600;
  color: var(--cyan-400);
  word-break: break-all;
}

/* ---------- 关键限定词 ---------- */

.page-privacy .privacy-mark {
  text-decoration: underline;
  text-decoration-color: var(--cyan-400);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  color: inherit;
}

/* ---------- 脚注 ---------- */

.page-privacy .privacy-footnote {
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--muted-400);
  margin: 1rem 0 0;
}

/* ---------- 呼吸分隔 ---------- */

.page-privacy .privacy-break {
  border: 0;
  border-top: 1px solid var(--line-500);
  margin: clamp(26px, 5vw, 42px) 0 0;
}

.page-privacy .privacy-whisper {
  margin: 0.85rem 0 0;
  padding-left: 0.95rem;
  border-left: 2px solid var(--cyan-200);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--muted-400);
}

/* ---------- 折叠条款 ---------- */

.page-privacy .privacy-fold {
  margin: 1.1rem 0 0;
  border: 1px solid var(--line-500);
  border-radius: var(--r-sm);
  background: var(--ink-800);
  overflow: hidden;
}

.page-privacy .privacy-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  padding: 0.78rem 1rem;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--cyan-400);
  list-style: none;
  transition: background-color var(--dur-2) var(--ease);
}

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

.page-privacy .privacy-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-num);
  font-size: var(--fs-16);
  color: var(--muted-400);
}

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

.page-privacy .privacy-fold summary:hover,
.page-privacy .privacy-fold summary:focus-visible {
  background: var(--ink-700);
}

.page-privacy .privacy-fold__body {
  padding: 0.9rem 1rem 1.1rem;
  border-top: 1px solid var(--line-500);
}

.page-privacy .privacy-fold__body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--muted-400);
}

/* ---------- 相关说明 ---------- */

.page-privacy .privacy-related {
  margin-top: clamp(36px, 6vw, 58px);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line-500);
  border-radius: var(--r-md);
  background: var(--ink-800);
}

.page-privacy .privacy-related__label {
  font-family: var(--font-num);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--muted-400);
  margin: 0 0 0.9rem;
}

.page-privacy .privacy-related__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-privacy .privacy-related__link {
  display: inline-block;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--cyan-400);
  text-decoration: none;
  text-underline-offset: 4px;
  transition: color var(--dur-2) var(--ease);
}

.page-privacy .privacy-related__link:hover,
.page-privacy .privacy-related__link:focus-visible {
  color: var(--cyan-200);
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-fold summary,
  .page-privacy .privacy-related__link {
    transition: none;
  }
}
<<<END>>>