.page-privacy {
  --privacy-article-w: 720px;
  --privacy-grid: 88px;
  background: var(--ink);
  color: var(--frost);
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(1.05) contrast(1.05);
  pointer-events: none;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(to right, rgba(44, 74, 102, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(44, 74, 102, 0.4) 1px, transparent 1px);
  background-size: var(--privacy-grid) var(--privacy-grid);
  opacity: 0.55;
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(102deg, rgba(7, 20, 31, 0.96) 0%, rgba(7, 20, 31, 0.82) 52%, rgba(11, 31, 51, 0.32) 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

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

.page-privacy .privacy-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(38px, 8.4vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-privacy .privacy-hero__lead {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 56ch;
  color: rgba(232, 238, 243, 0.86);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-privacy .privacy-progress {
  margin-top: clamp(28px, 4vw, 40px);
  height: 2px;
  width: 100%;
  max-width: 340px;
  background: rgba(44, 74, 102, 0.65);
}

.page-privacy .privacy-progress__fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

/* ---------- 主体栅格 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: var(--sp-4);
}

.page-privacy .privacy-article {
  min-width: 0;
  max-width: var(--privacy-article-w);
}

/* ---------- 左侧索引 ---------- */
.page-privacy .privacy-index {
  min-width: 0;
}

.page-privacy .privacy-index__title {
  margin: 0 0 10px;
  color: var(--mist);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  scrollbar-width: thin;
}

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

.page-privacy .privacy-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px 11px;
  border-bottom: 1px solid transparent;
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .privacy-index__num {
  font-size: 12px;
  color: var(--line);
  letter-spacing: 0.08em;
  transition: color 0.2s ease;
}

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

.page-privacy .privacy-index__list a[aria-current] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-index__list a[aria-current] .privacy-index__num {
  color: var(--cyan);
}

.page-privacy .privacy-index__btn {
  display: none;
}

/* ---------- 摘要块 ---------- */
.page-privacy .privacy-summary {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  padding: var(--sp-2);
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-privacy .privacy-summary__label {
  margin: 0 0 16px;
  color: var(--amber);
}

.page-privacy .privacy-summary__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-summary__list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-privacy .privacy-summary__num {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-privacy .privacy-summary__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 238, 243, 0.9);
}

.page-privacy .privacy-summary__list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 197, 0.35);
  white-space: nowrap;
}

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

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec {
  padding-top: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .privacy-sec--last {
  padding-bottom: 0;
}

.page-privacy .privacy-sec__title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(16px, 3vw, 24px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-privacy .privacy-sec__num {
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.12em;
}

.page-privacy .privacy-sec__dash {
  display: inline-block;
  width: 26px;
  height: 1px;
  background: var(--line);
}

.page-privacy .privacy-sec__body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(232, 238, 243, 0.86);
}

.page-privacy .privacy-sec__body h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 24px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--frost);
}

.page-privacy .privacy-sec__body h3::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  background: var(--cyan);
}

.page-privacy .privacy-sec__body b.num {
  font-weight: 500;
  color: var(--frost);
  background: rgba(245, 166, 35, 0.1);
  padding: 1px 5px;
}

/* ---------- 联系块 ---------- */
.page-privacy .privacy-contact {
  margin: 20px 0 24px;
  padding: var(--sp-2);
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
}

.page-privacy .privacy-contact__label {
  margin: 0 0 8px;
  color: var(--mist);
}

.page-privacy .privacy-contact__mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 20px);
  letter-spacing: -0.01em;
  color: var(--amber);
  text-decoration: none;
  word-break: break-all;
}

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

.page-privacy .privacy-contact__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 197, 0.4);
}

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

.page-privacy .privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-privacy .privacy-contact__meta {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 981px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
    padding-top: clamp(48px, 6vw, 80px);
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }

  .page-privacy .privacy-index__list {
    display: block;
    overflow: visible;
    border-top: 0;
  }

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

  .page-privacy .privacy-index__list a {
    display: flex;
    padding: 9px 0 9px 14px;
    margin-left: -1px;
    border-bottom: 0;
    border-left: 1px solid transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .privacy-index__list a[aria-current] {
    border-left-color: var(--cyan);
    border-bottom-color: transparent;
  }

  .page-privacy .privacy-index__btn {
    display: inline-flex;
    margin-top: 20px;
    margin-left: 14px;
    font-size: 13px;
  }

  .page-privacy .privacy-sec__title {
    gap: 14px;
  }

  .page-privacy .privacy-sec__dash {
    width: 40px;
  }
}

@media (min-width: 1280px) {
  .page-privacy .privacy-hero__inner {
    padding-bottom: clamp(72px, 8vw, 104px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress__fill,
  .page-privacy .privacy-index__list a,
  .page-privacy .privacy-index__num {
    transition: none;
  }
}
<<<END>>>