.page-privacy {
  --pp-sheet: 760px;
  --pp-rail: 208px;
  --pp-cut: clamp(14px, 3vw, 28px);
  background-color: var(--yb-ink);
  background-image: repeating-linear-gradient(
    -12deg,
    rgba(247, 244, 239, .028) 0 1px,
    transparent 1px 34px
  );
  color: var(--yb-paper);
  overflow-x: hidden;
}

.page-privacy .yb-crumb {
  color: rgba(247, 244, 239, .5);
  font-size: 13px;
}

.page-privacy .yb-crumb a {
  color: rgba(247, 244, 239, .82);
  text-decoration: none;
  transition: color var(--yb-ease);
}

.page-privacy .yb-crumb a:hover,
.page-privacy .yb-crumb a:focus-visible {
  color: var(--yb-gold-soft);
}

.page-privacy .yb-kicker {
  color: var(--yb-gold-soft);
  margin-top: 22px;
}

.privacy-mast {
  padding-top: clamp(22px, 4vw, 38px);
}

.privacy-h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.4vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--yb-snow);
  max-width: 17em;
}

.privacy-lede {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.85;
  color: rgba(247, 244, 239, .72);
}

.privacy-banner {
  margin: clamp(28px, 5vw, 54px) 0 0;
  padding: 0 var(--yb-gutter);
}

.privacy-banner img {
  display: block;
  width: 100%;
  max-width: var(--yb-shell);
  margin: 0 auto;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  opacity: .9;
  clip-path: polygon(0 0, calc(100% - var(--pp-cut)) 0, 100% var(--pp-cut), 100% 100%, var(--pp-cut) 100%, 0 calc(100% - var(--pp-cut)));
}

.privacy-body {
  padding-top: clamp(34px, 6vw, 72px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 移动端：索引变成横向标签条 */
.privacy-rail {
  margin: 0 0 22px;
}

.privacy-rail__title {
  display: none;
}

.privacy-rail__list {
  display: flex;
  gap: 6px;
  margin: 0 0 0 calc(var(--yb-gutter) * -1);
  padding: 0 var(--yb-gutter) 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.privacy-rail__list::-webkit-scrollbar {
  display: none;
}

.privacy-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 13px 9px 10px;
  border-left: 2px solid rgba(247, 244, 239, .2);
  color: rgba(247, 244, 239, .68);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--yb-ease), border-color var(--yb-ease), background-color var(--yb-ease);
}

.privacy-rail__link:hover,
.privacy-rail__link:focus-visible {
  color: var(--yb-snow);
  border-left-color: var(--yb-red);
  background-color: rgba(178, 34, 34, .14);
  outline: none;
}

.privacy-rail__link[aria-current="true"] {
  color: var(--yb-snow);
  border-left-color: var(--yb-red);
  background-image: linear-gradient(90deg, rgba(178, 34, 34, .34), rgba(178, 34, 34, 0));
}

.privacy-rail__num {
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--yb-gold-soft);
}

.privacy-rail__link[aria-current="true"] .privacy-rail__num {
  color: var(--yb-snow);
}

/* 纸白正文区 */
.privacy-sheet {
  background-color: var(--yb-paper);
  color: var(--yb-ink);
  padding: clamp(26px, 5.5vw, 60px) clamp(24px, 5vw, 56px);
  clip-path: polygon(0 0, calc(100% - var(--pp-cut)) 0, 100% var(--pp-cut), 100% 100%, var(--pp-cut) 100%, 0 calc(100% - var(--pp-cut)));
}

.privacy-clause + .privacy-clause {
  margin-top: clamp(38px, 6vw, 64px);
  padding-top: clamp(30px, 5vw, 50px);
  border-top: 1px solid var(--yb-line);
}

.privacy-clause__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 20px;
}

.privacy-clause__num {
  font-family: var(--yb-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--yb-red);
}

.privacy-clause__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 28px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--yb-ink);
}

.privacy-sheet p {
  position: relative;
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.85;
  color: #2A2621;
}

.privacy-sheet p::before {
  content: "";
  position: absolute;
  left: -16px;
  top: .45em;
  bottom: .45em;
  width: 3px;
  background-color: var(--yb-red);
  transform: scaleY(0);
  transform-origin: center top;
  transition: transform var(--yb-ease);
}

.privacy-sheet p:hover::before {
  transform: scaleY(1);
}

.privacy-sheet a {
  color: var(--yb-red-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(178, 34, 34, .38);
  transition: color var(--yb-ease), border-color var(--yb-ease);
}

.privacy-sheet a:hover,
.privacy-sheet a:focus-visible {
  color: var(--yb-red);
  border-bottom-color: var(--yb-red);
}

/* 用途条目 */
.privacy-purpose {
  display: block;
  margin: 0 0 12px;
  padding: 15px 18px;
  background-color: var(--yb-snow);
  border-left: 3px solid var(--yb-gold);
  transition: border-color var(--yb-ease), transform var(--yb-ease);
}

.privacy-purpose:hover {
  border-left-color: var(--yb-red);
  transform: translateX(3px);
}

.privacy-purpose__label {
  display: block;
  font-family: var(--yb-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--yb-red-deep);
  margin-bottom: 5px;
}

.privacy-purpose__text {
  display: block;
  font-size: 15.5px;
  line-height: 1.78;
  color: #2A2621;
}

/* 团队分工数据块 */
.privacy-guard {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 20px 0 22px;
}

.privacy-guard__item {
  background-color: var(--yb-ink);
  padding: 14px 14px 15px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.privacy-guard__num {
  display: block;
  font-family: var(--yb-font-mono);
  font-size: 23px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--yb-gold-soft);
}

.privacy-guard__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(247, 244, 239, .7);
}

/* 折叠条目 */
.privacy-fold {
  margin-bottom: 10px;
  background-color: var(--yb-snow);
  border-left: 3px solid rgba(212, 160, 23, .55);
  transition: border-color var(--yb-ease);
}

.privacy-fold[open] {
  border-left-color: var(--yb-red);
}

.privacy-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--yb-ink);
}

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

.privacy-fold > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--yb-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--yb-red);
  transition: transform var(--yb-ease);
}

.privacy-fold[open] > summary::after {
  transform: rotate(45deg);
}

.privacy-fold > summary:focus-visible {
  outline: 2px solid var(--yb-red);
  outline-offset: -2px;
}

.privacy-fold__body {
  padding: 0 18px 16px;
}

.privacy-fold__body p {
  margin: 0;
  font-size: 15.5px;
}

.privacy-fold__body p::before {
  display: none;
}

/* 联系方式块 */
.privacy-contact {
  margin: 6px 0 22px;
  background-color: var(--yb-snow);
  border-top: 3px solid var(--yb-red);
  padding: 6px 18px 12px;
}

.privacy-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--yb-line);
}

.privacy-contact__row:last-child {
  border-bottom: 0;
}

.privacy-contact__key {
  font-family: var(--yb-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--yb-muted);
}

.privacy-contact__val {
  font-family: var(--yb-font-mono);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--yb-ink);
  word-break: break-word;
}

@media (min-width: 620px) {
  .privacy-guard {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .privacy-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-grid {
    display: grid;
    grid-template-columns: var(--pp-rail) minmax(0, var(--pp-sheet));
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 104px;
    margin: 0;
    padding-top: 18px;
    border-top: 1px solid var(--yb-line-dark);
  }

  .page-privacy .privacy-rail__title {
    display: block;
    margin: 0 0 12px;
    font-family: var(--yb-font-mono);
    font-size: 11px;
    letter-spacing: .18em;
    color: rgba(247, 244, 239, .42);
  }

  .page-privacy .privacy-rail__list {
    display: block;
    margin: 0;
    padding: 0;
    overflow: visible;
  }

  .page-privacy .privacy-rail__list > li {
    margin-bottom: 4px;
  }

  .page-privacy .privacy-rail__link {
    display: flex;
    width: 100%;
    padding: 9px 12px 9px 10px;
  }

  .privacy-lede {
    max-width: 62ch;
  }

  .privacy-sheet p {
    font-size: 17px;
  }
}
<<<END>>>