.page-privacy {
  --privacy-col: 680px;
  --privacy-index: 216px;
  position: relative;
  overflow-x: clip;
  background: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-masthead {
  position: relative;
  isolation: isolate;
  padding: clamp(112px, 15vw, 178px) 0 clamp(52px, 7vw, 88px);
  background:
    radial-gradient(120% 88% at 84% 6%, rgba(43, 245, 194, 0.10), transparent 58%),
    linear-gradient(180deg, var(--ink) 0%, var(--navy) 60%, var(--room) 100%);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-masthead__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}

.page-privacy .privacy-masthead__media img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.65) contrast(1.05);
}

.page-privacy .privacy-masthead__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 18, 0.78) 0%, rgba(5, 10, 18, 0.9) 52%, var(--ink) 100%);
}

.page-privacy .privacy-masthead__inner {
  position: relative;
}

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: clamp(22px, 3vw, 34px);
  font-size: 13px;
  color: var(--muted);
}

.page-privacy .breadcrumb__item a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-privacy .breadcrumb__item a:hover,
.page-privacy .breadcrumb__item a:focus-visible {
  color: var(--mint);
}

.page-privacy .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-privacy .breadcrumb__item[aria-current] {
  color: var(--paper-soft);
}

.page-privacy .privacy-masthead__label {
  color: var(--mint);
  margin: 0 0 18px;
}

.page-privacy .privacy-masthead__title {
  margin: 0;
  font-size: clamp(36px, 5.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 18ch;
}

.page-privacy .privacy-masthead__lead {
  margin: 26px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-privacy .privacy-masthead__facts {
  list-style: none;
  margin: clamp(32px, 4.5vw, 52px) 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 5vw, 56px);
}

.page-privacy .privacy-masthead__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-privacy .privacy-masthead__num {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--mint);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-masthead__cap {
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(34px, 6vw, 56px);
  padding-block: clamp(52px, 8vw, 92px) clamp(72px, 10vw, 130px);
}

/* ---------- 左侧索引 ---------- */
.page-privacy .privacy-index__label {
  color: var(--muted);
  margin: 0 0 14px;
}

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

.page-privacy .privacy-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 12px;
  margin-left: 0;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.45;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-privacy .privacy-index__link .num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--line);
  transition: color 0.18s ease;
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--mint);
  border-left-color: var(--mint);
  background: linear-gradient(90deg, rgba(43, 245, 194, 0.09), transparent 78%);
}

.page-privacy .privacy-index__link:hover .num,
.page-privacy .privacy-index__link:focus-visible .num {
  color: var(--mint);
}

.page-privacy .privacy-index__note {
  margin: 20px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-privacy .privacy-clause {
  position: relative;
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 118px;
}

.page-privacy .privacy-clause + .privacy-clause {
  margin-top: clamp(42px, 6vw, 68px);
}

.page-privacy .privacy-clause__head {
  display: flex;
  gap: 16px;
  align-items: baseline;
}

.page-privacy .privacy-clause__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mint);
  flex: none;
  padding-top: 6px;
}

.page-privacy .privacy-clause__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.28;
  color: var(--paper);
}

.page-privacy .privacy-clause__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-privacy .privacy-clause__title a:hover,
.page-privacy .privacy-clause__title a:focus-visible {
  color: var(--mint);
}

.page-privacy .privacy-clause__body {
  margin-top: 18px;
  padding-left: 0;
}

.page-privacy .privacy-clause__body p {
  margin: 0 0 15px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper-soft);
  max-width: 34em;
}

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

.page-privacy .privacy-clause__body ul {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .privacy-clause__body li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper-soft);
  max-width: 34em;
}

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

.page-privacy .privacy-term {
  color: var(--paper);
  font-weight: 500;
}

.page-privacy .privacy-clause__body a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 245, 194, 0.4);
}

.page-privacy .privacy-clause__body a:hover,
.page-privacy .privacy-clause__body a:focus-visible {
  border-bottom-color: var(--mint);
}

.page-privacy .privacy-clause:target {
  border-top-color: var(--mint);
}

.page-privacy .privacy-clause:target .privacy-clause__title {
  color: var(--mint);
}

/* ---------- 保存期限刻度 ---------- */
.page-privacy .retention {
  margin: 26px 0 22px;
}

.page-privacy .retention__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-privacy .retention__item {
  position: relative;
  border-top: 1px solid var(--line);
  padding: 15px 0 0;
}

.page-privacy .retention__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 26px;
  height: 2px;
  background: var(--mint);
  opacity: 0.9;
}

.page-privacy .retention__item:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 6px;
}

.page-privacy .retention__name {
  display: block;
  font-size: 13px;
  color: var(--paper);
  margin-bottom: 5px;
}

.page-privacy .retention__span {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mint);
}

.page-privacy .retention__detail {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 底部收束 ---------- */
.page-privacy .privacy-foot {
  padding: clamp(52px, 8vw, 92px) 0 clamp(72px, 9vw, 110px);
  background: linear-gradient(180deg, var(--navy) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-foot__head .label {
  color: var(--amber);
  margin: 0 0 14px;
}

.page-privacy .privacy-foot__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}

.page-privacy .privacy-foot__grid {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .privacy-foot__card {
  position: relative;
  display: block;
  padding: clamp(22px, 3.4vw, 34px);
  background: var(--room);
  text-decoration: none;
  transition: background-color 0.18s ease, box-shadow 0.18s ease;
}

.page-privacy .privacy-foot__card:hover,
.page-privacy .privacy-foot__card:focus-visible {
  background: var(--navy);
  box-shadow: inset 0 0 0 1px var(--mint);
}

.page-privacy .privacy-foot__tag {
  color: var(--muted);
}

.page-privacy .privacy-foot__cardtitle {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
  transition: color 0.18s ease;
}

.page-privacy .privacy-foot__card:hover .privacy-foot__cardtitle {
  color: var(--mint);
}

.page-privacy .privacy-foot__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-soft);
  max-width: 36em;
}

.page-privacy .privacy-foot__arrow {
  position: absolute;
  right: clamp(20px, 3vw, 30px);
  top: clamp(20px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--line);
  transition: color 0.18s ease, transform 0.18s ease;
}

.page-privacy .privacy-foot__card:hover .privacy-foot__arrow {
  color: var(--mint);
  transform: translateX(4px);
}

.page-privacy .privacy-foot__back {
  margin: clamp(26px, 4vw, 40px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-foot__back a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 245, 194, 0.4);
}

.page-privacy .privacy-foot__back a:hover,
.page-privacy .privacy-foot__back a:focus-visible {
  border-bottom-color: var(--mint);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .retention {
    padding-bottom: 104px;
  }

  .page-privacy .retention__items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 22px;
    row-gap: 26px;
  }

  .page-privacy .retention__item {
    padding-top: 16px;
  }

  .page-privacy .retention__detail {
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    margin-top: 10px;
    padding: 9px 10px;
    background: var(--navy);
    border: 1px solid var(--line);
    color: var(--paper-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 3;
  }

  .page-privacy .retention__item:hover .retention__detail,
  .page-privacy .retention__item:focus .retention__detail,
  .page-privacy .retention__item:focus-within .retention__detail {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .page-privacy .privacy-foot__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 979px) {
  .page-privacy .privacy-index__list {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
    -webkit-overflow-scrolling: touch;
  }

  .page-privacy .privacy-index__link {
    flex: none;
    padding: 8px 13px;
    border-left: 0;
    border-bottom: 2px solid transparent;
    background: rgba(14, 32, 38, 0.6);
    font-size: 13px;
  }

  .page-privacy .privacy-index__link:hover,
  .page-privacy .privacy-index__link:focus-visible {
    border-left-color: transparent;
    border-bottom-color: var(--mint);
    background: rgba(43, 245, 194, 0.1);
  }

  .page-privacy .privacy-index__note {
    margin-top: 14px;
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-index) minmax(0, var(--privacy-col));
    column-gap: clamp(48px, 6vw, 96px);
    justify-content: center;
    align-items: start;
  }

  .page-privacy .privacy-index__inner {
    position: sticky;
    top: 108px;
  }

  .page-privacy .privacy-index__list {
    border-left: 1px solid var(--line);
  }

  .page-privacy .privacy-index__link {
    margin-left: -1px;
  }

  .page-privacy .retention__items {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: 14px;
    row-gap: 0;
  }

  .page-privacy .retention__name {
    font-size: 12.5px;
  }

  .page-privacy .retention__span {
    font-size: 12.5px;
  }

  .page-privacy .retention__detail {
    font-size: 11.5px;
    line-height: 1.6;
    padding: 8px 9px;
  }

  /* 目标章节与索引联动 */
  .page-privacy .privacy-layout:has(#collect:target) .privacy-index__link[href="#collect"],
  .page-privacy .privacy-layout:has(#records:target) .privacy-index__link[href="#records"],
  .page-privacy .privacy-layout:has(#purposes:target) .privacy-index__link[href="#purposes"],
  .page-privacy .privacy-layout:has(#sharing:target) .privacy-index__link[href="#sharing"],
  .page-privacy .privacy-layout:has(#retention:target) .privacy-index__link[href="#retention"],
  .page-privacy .privacy-layout:has(#rights:target) .privacy-index__link[href="#rights"] {
    color: var(--mint);
    border-left-color: var(--mint);
    background: linear-gradient(90deg, rgba(43, 245, 194, 0.09), transparent 78%);
  }

  .page-privacy .privacy-layout:has(#collect:target) .privacy-index__link[href="#collect"] .num,
  .page-privacy .privacy-layout:has(#records:target) .privacy-index__link[href="#records"] .num,
  .page-privacy .privacy-layout:has(#purposes:target) .privacy-index__link[href="#purposes"] .num,
  .page-privacy .privacy-layout:has(#sharing:target) .privacy-index__link[href="#sharing"] .num,
  .page-privacy .privacy-layout:has(#retention:target) .privacy-index__link[href="#retention"] .num,
  .page-privacy .privacy-layout:has(#rights:target) .privacy-index__link[href="#rights"] .num {
    color: var(--mint);
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-masthead__lead {
    font-size: 16px;
  }
}
<<<END>>>