.page-privacy {
  --privacy-read: 760px;
  --privacy-toc: 248px;
  --privacy-ink: #0B2A45;
  --privacy-ink-soft: #14507A;
  --privacy-rule: #C3D0D8;
  background: var(--bys-midnight);
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-head {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 6vw, 64px) clamp(28px, 5vw, 56px);
  background:
    radial-gradient(120% 150% at 12% 0%, #14507A 0%, #061725 64%),
    var(--bys-midnight);
}

.page-privacy .privacy-head__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.32;
  filter: saturate(0.55) contrast(1.15);
}

.page-privacy .privacy-head::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    repeating-linear-gradient(180deg, rgba(234, 242, 247, 0.05) 0 1px, transparent 1px 6px),
    linear-gradient(180deg, rgba(6, 23, 37, 0.55) 0%, rgba(6, 23, 37, 0.9) 62%, #061725 100%);
}

.page-privacy .privacy-head__inner {
  position: relative;
  z-index: 2;
}

.page-privacy .privacy-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--bys-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--bys-steel);
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-privacy .privacy-crumb__link {
  color: var(--bys-frost);
  text-decoration: none;
  border-bottom: 1px solid rgba(234, 242, 247, 0.28);
  padding-bottom: 1px;
}

.page-privacy .privacy-crumb__link:hover,
.page-privacy .privacy-crumb__link:focus-visible {
  color: var(--bys-amber);
  border-bottom-color: var(--bys-amber);
}

.page-privacy .privacy-crumb__sep {
  color: var(--bys-broadcast);
}

.page-privacy .privacy-crumb__now {
  color: var(--bys-frost);
}

.page-privacy .privacy-kicker {
  margin: 0 0 14px;
  font-family: var(--bys-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bys-amber);
}

.page-privacy .privacy-head__title {
  margin: 0;
  font-family: var(--bys-font-display);
  font-weight: 900;
  font-size: clamp(38px, 9vw, 76px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--bys-frost);
}

.page-privacy .privacy-head__lede {
  max-width: 62ch;
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.75;
  color: var(--bys-frost);
  opacity: 0.88;
}

.page-privacy .privacy-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--bys-hairline);
  font-size: 13px;
  line-height: 1.5;
  color: var(--bys-steel);
}

.page-privacy .privacy-head__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy .privacy-mono {
  font-family: var(--bys-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--bys-amber);
}

/* ---------- 正文区 ---------- */
.page-privacy .privacy-body {
  background: var(--bys-paper);
  color: var(--privacy-ink);
  padding-block: clamp(32px, 6vw, 72px) clamp(40px, 7vw, 88px);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

/* 目录 */
.page-privacy .privacy-toc {
  border-left: 3px solid var(--bys-pitch);
  padding-left: 16px;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 14px;
  font-family: var(--bys-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--privacy-ink-soft);
}

.page-privacy .privacy-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--privacy-rule);
  font-size: 14px;
  line-height: 1.45;
  color: var(--privacy-ink);
  text-decoration: none;
  transition: color var(--bys-speed) var(--bys-ease), padding-left var(--bys-speed) var(--bys-ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: #B8451A;
  padding-left: 4px;
}

.page-privacy .privacy-toc__link:focus-visible {
  outline: 2px solid var(--bys-amber);
  outline-offset: 3px;
}

.page-privacy .privacy-toc__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--privacy-ink-soft);
}

/* 文档 */
.page-privacy .privacy-doc {
  max-width: var(--privacy-read);
}

.page-privacy .privacy-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-privacy .doc-section {
  padding-block: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--privacy-rule);
  scroll-margin-top: 96px;
}

.page-privacy .doc-section--contact {
  border-top: 3px solid var(--bys-flare);
  background: #FBEDE3;
  padding-inline: clamp(16px, 3vw, 28px);
  border-radius: 2px;
}

.page-privacy .doc-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: clamp(12px, 2vw, 18px);
}

.page-privacy .doc-section__num {
  flex: none;
  font-family: var(--bys-font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #B8451A;
  padding: 2px 7px;
  border: 1px solid rgba(242, 106, 46, 0.5);
  background: #FFFFFF;
}

.page-privacy .doc-section h3 {
  margin: 0;
  font-family: var(--bys-font-display);
  font-weight: 800;
  font-size: clamp(19px, 3.4vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--bys-midnight);
}

.page-privacy .doc-section p {
  margin: 0 0 14px;
  font-size: clamp(15px, 2.2vw, 16.5px);
  line-height: 1.78;
  color: var(--privacy-ink);
}

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

.page-privacy .doc-term {
  box-shadow: inset 0 -2px 0 rgba(242, 106, 46, 0.6);
  font-weight: 600;
}

.page-privacy .doc-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 20px;
  font-size: clamp(15px, 2.2vw, 16.5px);
  line-height: 1.75;
  color: var(--privacy-ink);
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--bys-pitch);
  transform: skewX(-12deg);
}

.page-privacy .doc-list strong {
  color: var(--bys-midnight);
  font-weight: 800;
}

.page-privacy .doc-link {
  color: #B8451A;
  text-decoration: none;
  border-bottom: 2px solid rgba(242, 106, 46, 0.45);
  padding-bottom: 1px;
  word-break: break-word;
}

.page-privacy .doc-link:hover,
.page-privacy .doc-link:focus-visible {
  border-bottom-color: var(--bys-flare);
  color: #8E3312;
}

.page-privacy .doc-link:focus-visible {
  outline: 2px solid var(--bys-amber);
  outline-offset: 3px;
}

.page-privacy .doc-foot {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: 18px;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .doc-foot__text {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--privacy-ink-soft);
}

.page-privacy .doc-foot__text--mono {
  font-family: var(--bys-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--bys-midnight);
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-toc) minmax(0, var(--privacy-read));
    justify-content: center;
    gap: clamp(40px, 5vw, 72px);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 104px;
  }

  .page-privacy .privacy-head__lede {
    margin-top: 26px;
  }

  .page-privacy .doc-section h3 {
    letter-spacing: -0.02em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link {
    transition: none;
  }
}
<<<END>>>