.page-privacy {
  --pv-ink: #0A1220;
  --pv-text: rgba(245, 248, 246, .84);
  --pv-text-strong: rgba(245, 248, 246, .94);
  --pv-hair: rgba(43, 59, 87, .6);
  --pv-aside-w: 250px;

  background: var(--ink-900);
  color: var(--white);
  padding-bottom: 88px;
}

/* ---------- 页头 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 22px 0 38px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: .85;
  pointer-events: none;
}

.page-privacy .pv-hero .wrap {
  position: relative;
}

.page-privacy .pv-hero__inner {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

@media (min-width: 960px) {
  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 288px);
    align-items: end;
    gap: 56px;
  }
}

.page-privacy .pv-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -.025em;
  margin: 12px 0 16px;
  max-width: 17ch;
}

.page-privacy .pv-hero__lead .lede {
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--pv-text);
  margin: 0;
}

.page-privacy .pv-meta {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-privacy .pv-meta__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-meta__item:first-child {
  border-top: 1px solid var(--line);
}

.page-privacy .pv-meta dt {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--muted);
  white-space: nowrap;
}

.page-privacy .pv-meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--pv-text-strong);
  text-align: right;
  word-break: break-word;
}

.page-privacy .pv-ver {
  position: relative;
  display: inline-block;
  cursor: help;
  color: var(--orange);
  border-bottom: 1px dashed rgba(255, 107, 26, .6);
  outline-offset: 3px;
}

.page-privacy .pv-ver__tip {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  z-index: 4;
  white-space: nowrap;
  padding: 6px 10px;
  border-radius: var(--r-sm);
  background: var(--ink-700);
  border: 1px solid var(--line);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) linear;
  pointer-events: none;
}

.page-privacy .pv-ver:hover .pv-ver__tip,
.page-privacy .pv-ver:focus-visible .pv-ver__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 横图 ---------- */
.page-privacy .pv-banner {
  position: relative;
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  height: clamp(170px, 24vw, 300px);
  object-fit: cover;
  max-width: 100%;
}

.page-privacy .pv-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 18, 32, .1) 0%, rgba(10, 18, 32, .72) 100%);
  pointer-events: none;
}

/* ---------- 主布局 ---------- */
.page-privacy .pv-layout {
  display: grid;
  gap: 30px;
  padding-top: 34px;
}

@media (min-width: 1080px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 1fr) var(--pv-aside-w);
    gap: 64px;
    align-items: start;
    padding-top: 52px;
  }

  .page-privacy .pv-aside {
    grid-column: 2;
    grid-row: 1;
  }

  .page-privacy .pv-body {
    grid-column: 1;
    grid-row: 1;
  }
}

/* ---------- 章节索引 ---------- */
.page-privacy .pv-aside {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px;
}

.page-privacy .pv-aside__title {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-aside .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .toc__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--r-sm);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .toc__link:hover {
  color: var(--white);
  background: rgba(23, 164, 90, .12);
}

.page-privacy .toc__link[aria-current="true"] {
  color: var(--white);
  background: rgba(23, 164, 90, .18);
  border-left-color: var(--orange);
}

.page-privacy .pv-toc__num {
  flex: 0 0 auto;
  font-size: 11.5px;
  color: var(--orange);
  letter-spacing: .06em;
}

@media (max-width: 1079px) {
  .page-privacy .pv-aside {
    padding: 12px 14px;
  }

  .page-privacy .pv-aside__title {
    display: none;
  }

  .page-privacy .pv-aside .toc__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .page-privacy .pv-aside .toc__list li {
    flex: 0 0 auto;
  }

  .page-privacy .toc__link {
    border-left: 0;
    border-radius: var(--r-pill);
    background: rgba(43, 59, 87, .45);
    padding: 8px 14px;
    white-space: nowrap;
  }

  .page-privacy .toc__link[aria-current="true"] {
    background: rgba(23, 164, 90, .28);
  }
}

@media (min-width: 1080px) {
  .page-privacy .pv-aside {
    position: sticky;
    top: 92px;
  }
}

/* ---------- 正文 ---------- */
.page-privacy .pv-body {
  max-width: 76ch;
  min-width: 0;
}

.page-privacy .pv-sec {
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

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

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .pv-sec__num {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-privacy .pv-sec__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 31px);
  line-height: 1.16;
  letter-spacing: -.015em;
  margin: 0;
}

.page-privacy .pv-body p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pv-text);
  margin: 0 0 14px;
}

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

.page-privacy .pv-sec__lede {
  font-size: 16.5px !important;
  line-height: 1.8;
  color: var(--pv-text-strong) !important;
  max-width: 58ch;
}

.page-privacy .pv-sub {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .01em;
  color: var(--white);
  margin: 22px 0 8px;
}

.page-privacy .pv-body .note {
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 1px solid var(--line);
  max-width: 66ch;
}

.page-privacy .pv-chiprow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 4px;
}

/* ---------- 条目列表（定义式） ---------- */
.page-privacy .pv-defs {
  margin: 22px 0 0;
}

.page-privacy .pv-def {
  padding: 16px 0 16px 18px;
  border-left: 2px solid var(--line);
  border-bottom: 1px solid var(--pv-hair);
}

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

.page-privacy .pv-def dt {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--white);
  margin-bottom: 7px;
}

.page-privacy .pv-def dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pv-text);
  max-width: 62ch;
}

@media (min-width: 720px) {
  .page-privacy .pv-def {
    display: grid;
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-privacy .pv-def dt {
    margin-bottom: 0;
  }
}

/* ---------- 用途卡片 ---------- */
.page-privacy .pv-uses {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 760px) {
  .page-privacy .pv-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-privacy .pv-use {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 20px;
}

.page-privacy .pv-use__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 14px 0 8px;
  color: var(--white);
}

.page-privacy .pv-use p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pv-text);
}

/* ---------- 权利列表 ---------- */
.page-privacy .pv-rights {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-privacy .pv-rights li {
  display: grid;
  gap: 10px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pv-hair);
}

.page-privacy .pv-rights li:last-child {
  border-bottom: 0;
}

.page-privacy .pv-rights p {
  margin: 0;
  max-width: 62ch;
}

@media (min-width: 720px) {
  .page-privacy .pv-rights li {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }
}

/* ---------- 联系信息 ---------- */
.page-privacy .pv-contact__list {
  display: grid;
  margin: 22px 0 16px;
}

.page-privacy .pv-contact__list > div {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pv-hair);
}

.page-privacy .pv-contact__list > div:first-child {
  border-top: 1px solid var(--pv-hair);
}

.page-privacy .pv-contact__list dt {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-privacy .pv-contact__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 18px);
  letter-spacing: .02em;
  color: var(--white);
  word-break: break-word;
}

@media (min-width: 620px) {
  .page-privacy .pv-contact__list > div {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

.page-privacy .pv-body a {
  color: var(--green-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 208, 127, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-body a:hover {
  color: var(--white);
  border-bottom-color: var(--orange);
}

/* ---------- 返回顶部按钮层级 ---------- */
.page-privacy .to-top {
  z-index: 30;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-ver__tip,
  .page-privacy .toc__link,
  .page-privacy .pv-body a {
    transition: none;
  }

  .page-privacy .pv-ver__tip {
    transform: none;
  }
}