.page-privacy {
  --pv-read: 42rem;
  --pv-toc-w: 15.5rem;
  --pv-gap: clamp(2rem, 5vw, 4.5rem);
  position: relative;
  padding-bottom: 5rem;
  color: var(--paper);
  background: var(--ink);
}

.page-privacy img {
  max-width: 100%;
  height: auto;
}

/* 顶部通栏 */
.page-privacy .pv-lede {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  background: var(--turf);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-lede__img {
  grid-area: 1 / 1;
  width: 100%;
  height: clamp(260px, 46vw, 520px);
  object-fit: cover;
  object-position: 62% 40%;
  opacity: 0.85;
}

.page-privacy .pv-lede::after {
  content: "";
  grid-area: 1 / 1;
  background:
    radial-gradient(circle at 80% 16%, rgba(255, 106, 26, 0.34), transparent 46%),
    linear-gradient(196deg, rgba(15, 42, 30, 0.15) 0%, rgba(11, 15, 13, 0.93) 72%);
  pointer-events: none;
}

.page-privacy .pv-lede__overlay {
  grid-area: 1 / 1;
  align-self: end;
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 1.5rem 1.15rem 1.75rem;
}

.page-privacy .pv-lede__overlay .breadcrumb {
  margin-bottom: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .pv-lede__overlay .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .pv-lede__overlay .breadcrumb a:hover,
.page-privacy .pv-lede__overlay .breadcrumb a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-privacy .pv-lede__overlay h1 {
  margin: 0.35rem 0 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.6rem, 6vw, 3rem);
  line-height: 1.24;
  letter-spacing: 0.01em;
  max-width: 26ch;
}

.page-privacy .pv-lede__sub {
  margin: 1rem 0 0;
  max-width: 44ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(245, 247, 243, 0.82);
}

/* 主体骨架 */
.page-privacy .pv-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2.25rem;
}

/* 目录 */
.page-privacy .pv-toc {
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: rgba(22, 33, 28, 0.7);
  padding: 1rem 1rem 1.1rem;
  backdrop-filter: blur(6px);
}

.page-privacy .pv-toc__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-cond);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-privacy .pv-toc__list a {
  display: grid;
  grid-template-columns: 1.9rem 1fr;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.34rem 0.25rem;
  font-size: 0.86rem;
  line-height: 1.5;
  color: rgba(245, 247, 243, 0.78);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color 180ms var(--ease);
}

.page-privacy .pv-toc__list a:hover,
.page-privacy .pv-toc__list a:focus-visible {
  color: var(--orange);
  border-left-color: var(--orange);
  background: rgba(255, 106, 26, 0.08);
}

.page-privacy .pv-toc__list a:hover .pv-toc__num,
.page-privacy .pv-toc__list a:focus-visible .pv-toc__num {
  color: var(--orange);
}

/* 阅读栏 */
.page-privacy .pv-body {
  width: 100%;
  max-width: var(--pv-read);
  min-width: 0;
}

.page-privacy .pv-sec {
  padding: 2rem 0 2.25rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 1.5rem;
}

.page-privacy .pv-sec:first-child {
  padding-top: 0;
  border-top: none;
}

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

.page-privacy .pv-sec:target {
  background: linear-gradient(94deg, rgba(255, 106, 26, 0.09), transparent 62%);
}

.page-privacy .pv-sec__head {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  align-items: baseline;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
}

.page-privacy .pv-sec__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: color 180ms var(--ease);
}

.page-privacy .pv-sec:target .pv-sec__num {
  color: var(--orange);
}

.page-privacy .pv-sec__head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.25rem, 4.4vw, 1.7rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-privacy .pv-sec__body p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(245, 247, 243, 0.86);
}

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

.page-privacy .pv-sec__body a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 182, 255, 0.42);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .pv-sec__body a:hover,
.page-privacy .pv-sec__body a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-privacy .pv-sec__body h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-cond);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.45;
  color: var(--paper);
}

/* 清单 */
.page-privacy .pv-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(245, 247, 243, 0.84);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--orange);
}

.page-privacy .pv-list__k {
  display: block;
  font-family: var(--font-cond);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.15rem;
}

/* 用途四格 */
.page-privacy .pv-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 1.25rem 0 0;
}

.page-privacy .pv-use {
  background: var(--turf);
  padding: 1.05rem 1rem 1.15rem;
}

.page-privacy .pv-use__tag {
  margin: 0 0 0.6rem;
}

.page-privacy .pv-use p:last-child {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(245, 247, 243, 0.8);
}

/* 共享说明 */
.page-privacy .pv-share {
  margin: 1.25rem 0;
  border-top: 1px solid var(--line-strong);
}

.page-privacy .pv-share__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-share__k {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--mint);
}

.page-privacy .pv-share__v {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(245, 247, 243, 0.82);
}

/* 权利四块 */
.page-privacy .pv-rights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 1.25rem 0 1.25rem;
}

.page-privacy .pv-right {
  position: relative;
  background: rgba(22, 33, 28, 0.62);
  padding: 1rem 1rem 1.15rem;
  transition: background-color 180ms var(--ease);
}

.page-privacy .pv-right:hover {
  background: rgba(15, 42, 30, 0.9);
}

.page-privacy .pv-right__n {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 0.4rem;
}

.page-privacy .pv-right p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(245, 247, 243, 0.8);
}

/* 联系面板 */
.page-privacy .pv-contact {
  margin-top: 1.25rem;
  padding: 1.1rem 1rem 1.25rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--blue);
}

.page-privacy .pv-contact__note,
.page-privacy .pv-contact__more {
  margin: 0.9rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
}

/* 折叠 */
.page-privacy .pv-fold {
  margin-top: 1.1rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--line-strong);
}

.page-privacy .pv-fold summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-cond);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  transition: color 180ms var(--ease);
}

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

.page-privacy .pv-fold summary::after {
  content: "＋";
  margin-left: 0.5rem;
  font-family: var(--font-mono);
}

.page-privacy .pv-fold[open] summary::after {
  content: "－";
}

.page-privacy .pv-fold summary:hover,
.page-privacy .pv-fold summary:focus-visible {
  color: var(--orange);
}

.page-privacy .pv-fold p {
  margin: 0.7rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(245, 247, 243, 0.78);
}

/* 回到顶部 */
.page-privacy .pv-top {
  position: fixed;
  right: 0.9rem;
  bottom: 3.4rem;
  z-index: 5;
  padding: 0.45rem 0.7rem;
  font-family: var(--font-cond);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  text-decoration: none;
  background: rgba(22, 33, 28, 0.86);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(6px);
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-privacy .pv-top:hover,
.page-privacy .pv-top:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
  background: rgba(11, 15, 13, 0.94);
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-privacy .pv-lede__overlay {
    padding: 2rem 2rem 2.25rem;
  }

  .page-privacy .pv-lede__sub {
    font-size: 1.02rem;
  }

  .page-privacy .pv-body {
    font-size: 1.02rem;
  }

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

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

  .page-privacy .pv-share__row {
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 1.1rem;
    align-items: start;
  }

  .page-privacy .pv-sec__body {
    padding-left: 0.35rem;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-shell {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    gap: var(--pv-gap);
    align-items: start;
    margin-top: 3rem;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 2rem;
  }

  .page-privacy .pv-lede__overlay {
    padding: 2.5rem 2.5rem 2.75rem;
  }

  .page-privacy .pv-sec {
    padding: 2.5rem 0 2.75rem;
  }

  .page-privacy .pv-sec__head {
    grid-template-columns: 3rem 1fr;
  }

  .page-privacy .pv-sec__body {
    padding-left: 3.45rem;
  }

  .page-privacy .pv-top {
    right: 1.5rem;
    bottom: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__list a,
  .page-privacy .pv-top,
  .page-privacy .pv-sec__body a,
  .page-privacy .pv-right,
  .page-privacy .pv-fold summary {
    transition: none;
  }
}