.page-privacy {
  --prv-aside-w: 84px;
  --prv-ink-rule: rgba(8, 17, 28, .14);
  --prv-ink-soft: rgba(8, 17, 28, .74);
  --prv-ink-mute: rgba(8, 17, 28, .5);
  background: var(--yb-deep);
  color: var(--yb-on-dark);
  padding-bottom: clamp(56px, 8vw, 120px);
  font-family: var(--yb-font-body);
}

/* ---------- 面包屑 ---------- */
.page-privacy .prv-crumb {
  padding-top: clamp(20px, 4vw, 36px);
}
.page-privacy .prv-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--yb-mist);
}
.page-privacy .prv-crumb a {
  color: var(--yb-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--yb-ease), border-color 200ms var(--yb-ease);
}
.page-privacy .prv-crumb a:hover,
.page-privacy .prv-crumb a:focus-visible {
  color: var(--yb-cyan);
  border-bottom-color: var(--yb-cyan);
}
.page-privacy .prv-crumb__sep {
  color: rgba(124, 141, 166, .5);
}
.page-privacy .prv-crumb [aria-current="page"] {
  color: var(--yb-sand);
}

/* ---------- 页头 ---------- */
.page-privacy .prv-head {
  position: relative;
  margin-top: clamp(26px, 5vw, 60px);
}
.page-privacy .prv-head__grid {
  position: absolute;
  top: 0;
  left: clamp(18px, 4vw, 56px);
  right: clamp(18px, 4vw, 56px);
  height: 78%;
  background-image:
    linear-gradient(to right, rgba(124, 141, 166, .15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(124, 141, 166, .1) 1px, transparent 1px);
  background-size: 74px 74px;
  -webkit-mask-image: radial-gradient(130% 100% at 8% 0%, #000 0%, transparent 70%);
  mask-image: radial-gradient(130% 100% at 8% 0%, #000 0%, transparent 70%);
  pointer-events: none;
}
.page-privacy .prv-head__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(28px, 6vw, 84px) clamp(24px, 4vw, 52px);
}
.page-privacy .prv-head__eyebrow {
  margin: 0 0 clamp(14px, 2vw, 24px);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--yb-sand);
}
.page-privacy .prv-head__title {
  margin: 0;
  max-width: 15ch;
  font-family: var(--yb-font-body);
  font-weight: 200;
  font-size: clamp(38px, 8vw, 116px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--yb-paper);
}
.page-privacy .prv-head__lead {
  margin: clamp(20px, 3vw, 34px) 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--yb-on-dark);
}
.page-privacy .prv-head__marks {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 58px);
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--yb-line);
}
.page-privacy .prv-head__marks li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-privacy .prv-head__marks .yb-num {
  font-size: 28px;
  line-height: 1;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--yb-lava);
}
.page-privacy .prv-head__marks span:last-child {
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--yb-mist);
}
.page-privacy .prv-head__figure {
  position: relative;
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
}
.page-privacy .prv-head__figure img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 330px);
  object-fit: cover;
  object-position: center 42%;
  filter: saturate(.72) contrast(1.06) brightness(.84);
}
.page-privacy .prv-head__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, rgba(11, 30, 51, .94) 0%, rgba(11, 30, 51, .34) 48%, rgba(255, 90, 31, .18) 100%);
  pointer-events: none;
}

/* ---------- 吸顶目录 ---------- */
.page-privacy .prv-toc {
  position: sticky;
  top: 0;
  z-index: 7;
  background: rgba(8, 17, 28, .95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--yb-line-gold);
  border-bottom: 1px solid var(--yb-line);
}
.page-privacy .prv-toc__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 30px);
  padding-block: 13px;
}
.page-privacy .prv-toc__label {
  flex: none;
  padding-right: clamp(10px, 2vw, 22px);
  border-right: 1px solid var(--yb-line-gold);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--yb-sand);
}
.page-privacy .prv-toc__list {
  display: flex;
  gap: clamp(14px, 2.6vw, 34px);
  margin: 0;
  padding: 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-privacy .prv-toc__list::-webkit-scrollbar {
  display: none;
}
.page-privacy .prv-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 3px 0;
  white-space: nowrap;
  font-size: 13px;
  text-decoration: none;
  color: var(--yb-on-dark-soft);
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--yb-ease), border-color 180ms var(--yb-ease);
}
.page-privacy .prv-toc__list a .yb-num {
  font-size: 11px;
  color: var(--yb-mist);
}
.page-privacy .prv-toc__list a:hover,
.page-privacy .prv-toc__list a:focus-visible {
  color: var(--yb-cyan);
  border-bottom-color: var(--yb-cyan);
}

/* ---------- 条款栈 ---------- */
.page-privacy .prv-clauses {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vw, 34px);
  padding-top: clamp(30px, 5vw, 62px);
  padding-left: clamp(0px, 4vw, 64px);
}

.page-privacy .prv-clause {
  position: relative;
  background: var(--yb-paper);
  box-shadow: 0 20px 54px rgba(3, 8, 15, .48);
  transition: box-shadow 320ms var(--yb-ease);
}
.page-privacy .prv-clause::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--yb-sand), rgba(217, 169, 75, .1));
}
.page-privacy .prv-clause:target {
  box-shadow: 0 0 0 1px var(--yb-sand), 0 20px 54px rgba(3, 8, 15, .48);
}
.page-privacy .prv-clause:target .prv-clause__num {
  color: var(--yb-lava);
}

.page-privacy .prv-clause__toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.page-privacy .prv-clause__toggle:focus-visible + .prv-clause__inner .prv-clause__fold {
  outline: 2px solid var(--yb-cyan);
  outline-offset: 3px;
}
.page-privacy .prv-clause__toggle:not(:checked) + .prv-clause__inner .prv-clause__detail {
  display: none;
}
.page-privacy .prv-clause__toggle:checked + .prv-clause__inner .prv-clause__fold-off {
  display: none;
}
.page-privacy .prv-clause__toggle:not(:checked) + .prv-clause__inner .prv-clause__fold-on {
  display: none;
}

.page-privacy .prv-clause__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 26px);
  padding: clamp(24px, 4vw, 50px) clamp(18px, 4vw, 54px);
}

.page-privacy .prv-clause__aside {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--prv-ink-rule);
}
.page-privacy .prv-clause__num {
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--yb-lava-dark);
  transition: color 260ms var(--yb-ease);
}
.page-privacy .prv-clause__key {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--prv-ink-mute);
}
.page-privacy .prv-clause__fold {
  margin-left: auto;
  cursor: pointer;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--yb-lava-dark);
  border-bottom: 1px dashed rgba(201, 60, 15, .5);
  padding-bottom: 2px;
  -webkit-user-select: none;
  user-select: none;
}
.page-privacy .prv-clause__fold:hover {
  color: var(--yb-ink);
  border-bottom-color: var(--yb-ink);
}

.page-privacy .prv-clause__body {
  min-width: 0;
}
.page-privacy .prv-clause__title {
  margin: 0 0 clamp(14px, 2.2vw, 24px);
  font-size: clamp(21px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--yb-ink);
}
.page-privacy .prv-clause__detail > p {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.82;
  color: var(--prv-ink-soft);
}

/* ---------- 01 场景 ---------- */
.page-privacy .prv-scenes {
  display: grid;
  gap: 1px;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--prv-ink-rule);
}
.page-privacy .prv-scene {
  background: var(--yb-paper);
  padding: clamp(16px, 2.4vw, 24px) 0;
}
.page-privacy .prv-scene__name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--yb-ink);
}
.page-privacy .prv-scene__name::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--yb-lava);
  transform: rotate(45deg);
}
.page-privacy .prv-scene__what {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--prv-ink-soft);
}
.page-privacy .prv-scene__why {
  margin: 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--prv-ink-mute);
}
.page-privacy .prv-scene__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 7px;
  font-family: var(--yb-font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--yb-ink);
  background: rgba(217, 169, 75, .34);
}

/* ---------- 02 用途 ---------- */
.page-privacy .prv-uses {
  display: grid;
  gap: 1px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0 0 0 clamp(12px, 1.8vw, 20px);
  list-style: none;
  background: var(--prv-ink-rule);
  border-left: 2px solid rgba(217, 169, 75, .62);
}
.page-privacy .prv-use {
  background: var(--yb-paper);
  padding: clamp(16px, 2.4vw, 24px) 0 clamp(16px, 2.4vw, 24px) clamp(8px, 1.4vw, 16px);
}
.page-privacy .prv-use__n {
  display: block;
  margin-bottom: 7px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--yb-lava-dark);
}
.page-privacy .prv-use__name {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--yb-ink);
}
.page-privacy .prv-use p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--prv-ink-soft);
}

/* ---------- 03 保存与共享 ---------- */
.page-privacy .prv-keep {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--prv-ink-rule);
}
.page-privacy .prv-keep__row {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--prv-ink-rule);
}
.page-privacy .prv-keep__row dt {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--yb-ink);
}
.page-privacy .prv-keep__row dd {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--prv-ink-soft);
}

.page-privacy .prv-share {
  margin-top: clamp(24px, 3.4vw, 40px);
  padding: clamp(22px, 3vw, 34px);
  background: var(--yb-ink);
  color: var(--yb-on-dark);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}
.page-privacy .prv-share__title {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--yb-paper);
}
.page-privacy .prv-share__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-privacy .prv-share__list li {
  position: relative;
  padding-left: 20px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--yb-on-dark);
}
.page-privacy .prv-share__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 1px;
  background: var(--yb-cyan);
}
.page-privacy .prv-share__list strong {
  color: var(--yb-paper);
  font-weight: 600;
}
.page-privacy .prv-share__note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding-top: clamp(14px, 2vw, 20px);
  border-top: 1px solid var(--yb-line);
  max-width: 68ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--yb-on-dark-soft);
}

/* ---------- 04 权利 ---------- */
.page-privacy .prv-rights {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}
.page-privacy .prv-rights > li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: clamp(10px, 2vw, 20px);
  padding-bottom: clamp(14px, 2vw, 20px);
  border-bottom: 1px solid var(--prv-ink-rule);
}
.page-privacy .prv-rights > li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-privacy .prv-rights__idx {
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--yb-sand);
}
.page-privacy .prv-rights h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--yb-ink);
}
.page-privacy .prv-rights p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--prv-ink-soft);
}

.page-privacy .prv-route {
  margin-top: clamp(24px, 3.4vw, 38px);
  padding: clamp(20px, 2.8vw, 30px);
  background: rgba(255, 90, 31, .07);
  border-left: 3px solid var(--yb-lava);
}
.page-privacy .prv-route__lead {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--yb-lava-dark);
}
.page-privacy .prv-route p {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--prv-ink-soft);
}
.page-privacy .prv-route__mail {
  font-family: var(--yb-font-mono);
  font-size: 14px;
  color: var(--yb-ink);
  word-break: break-all;
}
.page-privacy .prv-route__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 !important;
}

/* ---------- 05 更新 ---------- */
.page-privacy .prv-steps {
  margin: clamp(20px, 3vw, 30px) 0 clamp(18px, 2.6vw, 26px);
  padding: 0;
  list-style: none;
  counter-reset: prvstep;
}
.page-privacy .prv-steps li {
  position: relative;
  counter-increment: prvstep;
  padding: 0 0 clamp(16px, 2.2vw, 22px) 44px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--prv-ink-soft);
}
.page-privacy .prv-steps li::before {
  content: counter(prvstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--yb-font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--yb-lava-dark);
}
.page-privacy .prv-steps li::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 24px;
  bottom: 2px;
  width: 1px;
  background: var(--prv-ink-rule);
}
.page-privacy .prv-steps li:last-child {
  padding-bottom: 0;
}
.page-privacy .prv-steps li:last-child::after {
  display: none;
}
.page-privacy .prv-inline {
  color: var(--yb-lava-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 60, 15, .42);
  transition: color 200ms var(--yb-ease), border-color 200ms var(--yb-ease);
}
.page-privacy .prv-inline:hover,
.page-privacy .prv-inline:focus-visible {
  color: var(--yb-ink);
  border-bottom-color: var(--yb-ink);
}

/* ---------- 收尾 ---------- */
.page-privacy .prv-outro {
  margin-top: clamp(30px, 5vw, 66px);
  padding: clamp(26px, 4vw, 50px);
  background: linear-gradient(118deg, var(--yb-glass) 0%, rgba(27, 62, 99, .38) 52%, rgba(255, 90, 31, .2) 100%);
  border: 1px solid var(--yb-line-gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}
.page-privacy .prv-outro__eyebrow {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--yb-sand);
}
.page-privacy .prv-outro__title {
  margin: 0 0 16px;
  max-width: 22ch;
  font-size: clamp(22px, 3.2vw, 38px);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--yb-paper);
}
.page-privacy .prv-outro__text {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yb-on-dark);
}
.page-privacy .prv-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-privacy {
    --prv-aside-w: 158px;
  }
  .page-privacy .prv-clause__inner {
    grid-template-columns: var(--prv-aside-w) minmax(0, 1fr);
    gap: clamp(20px, 3.4vw, 44px);
  }
  .page-privacy .prv-clause__aside {
    flex-direction: column;
    align-items: flex-start;
    flex-wrap: nowrap;
    gap: 9px;
    padding-bottom: 0;
    padding-right: clamp(10px, 2vw, 24px);
    border-bottom: 0;
    border-right: 1px solid var(--prv-ink-rule);
  }
  .page-privacy .prv-clause__fold {
    margin-left: 0;
    margin-top: auto;
  }
  .page-privacy .prv-keep__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(16px, 3vw, 40px);
    align-items: baseline;
  }
}

@media (min-width: 1080px) {
  .page-privacy .prv-head__figure img {
    height: clamp(280px, 25vw, 400px);
  }
  .page-privacy .prv-clauses {
    padding-left: clamp(24px, 6vw, 96px);
  }
}

@media (max-width: 520px) {
  .page-privacy .prv-toc__label {
    display: none;
  }
  .page-privacy .prv-toc__inner {
    padding-block: 11px;
  }
  .page-privacy .prv-share {
    clip-path: none;
  }
  .page-privacy .prv-outro {
    clip-path: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-crumb a,
  .page-privacy .prv-toc__list a,
  .page-privacy .prv-clause__num,
  .page-privacy .prv-inline,
  .page-privacy .prv-clause {
    transition: none;
  }
}