.page-privacy {
  --pv-gap: 26px;
  --pv-cut: 22px;
  --pv-line: 1px solid var(--ink-700);
  color: var(--text);
  padding-bottom: 84px;
}

.page-privacy .crumbs {
  margin: 22px 0 0;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 48px;
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 68% at 84% 8%, rgba(200, 255, 77, .10), transparent 64%),
    radial-gradient(48% 58% at 4% 92%, rgba(255, 138, 61, .09), transparent 70%);
  pointer-events: none;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(111, 227, 196, .055) 0 1px, transparent 1px 20px);
  pointer-events: none;
}

.page-privacy .pv-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: center;
}

.page-privacy .pv-hero__copy h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 7.2vw, 50px);
  line-height: 1.14;
  letter-spacing: -.6px;
  font-weight: 700;
}

.page-privacy .pv-hero__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
  opacity: .88;
}

.page-privacy .pv-hero__points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-hero__points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .pv-hero__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 9px;
  background: var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.page-privacy .pv-hero__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .pv-hero__visual {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink-800);
  border: var(--pv-line);
  clip-path: polygon(0 0, calc(100% - var(--pv-cut)) 0, 100% var(--pv-cut), 100% 100%, var(--pv-cut) 100%, 0 calc(100% - var(--pv-cut)));
}

.page-privacy .pv-hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .pv-hero__visual .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 18px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(to top, rgba(7, 26, 21, .95), rgba(7, 26, 21, 0));
}

/* ---------- 目录 + 正文 ---------- */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 8px;
}

.page-privacy .pv-toc {
  border-top: 2px solid var(--lime);
  padding-top: 14px;
}

.page-privacy .pv-toc__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--muted);
}

.page-privacy .pv-toc__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-privacy .pv-toc__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.page-privacy .pv-toc__idx {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
}

.page-privacy .pv-toc__list a:hover,
.page-privacy .pv-toc__list a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: var(--lime-soft);
}

.page-privacy .pv-toc__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
}

.page-privacy .pv-sections {
  display: grid;
  gap: 30px;
}

/* ---------- 章节块 ---------- */
.page-privacy .pv-block {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  scroll-margin-top: 92px;
}

.page-privacy .pv-block__rail {
  position: relative;
}

.page-privacy .pv-block__num {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--lime);
  line-height: 1;
}

.page-privacy .pv-block__rail::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 46px;
  width: 1px;
  height: calc(100% + 16px);
  background: linear-gradient(to bottom, var(--ink-700), rgba(22, 58, 49, 0));
}

.page-privacy .pv-block:last-child .pv-block__rail::after {
  display: none;
}

.page-privacy .pv-block__panel {
  padding: 24px 20px 26px;
  background: var(--ink-800);
  transition: border-color .25s var(--ease);
}

.page-privacy .pv-block:target .pv-block__panel {
  border-color: var(--lime);
}

.page-privacy .pv-h2 {
  margin: 0 0 14px;
  font-size: clamp(21px, 4.4vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.2px;
}

.page-privacy .pv-p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  opacity: .9;
}

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

.page-privacy .pv-p .link-underline {
  color: var(--link);
}

/* ---------- 信息行 ---------- */
.page-privacy .pv-rows {
  margin: 6px 0 0;
  padding: 0;
}

.page-privacy .pv-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-top: 1px solid var(--ink-700);
}

.page-privacy .pv-row:first-child {
  border-top-color: var(--ink-700);
}

.page-privacy .pv-row__key {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--lime);
}

.page-privacy .pv-row__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text);
  opacity: .88;
}

/* ---------- 数据路径图 ---------- */
.page-privacy .pv-flow {
  margin: 20px 0 18px;
  padding: 14px 12px 10px;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-privacy .pv-flow svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-privacy .pv-flow figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 数据规模 ---------- */
.page-privacy .pv-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 20px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-figures li {
  padding: 14px 12px;
  background: var(--ink-850);
  border-left: 3px solid var(--orange);
}

.page-privacy .pv-figures__num {
  display: block;
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--lime);
  line-height: 1.1;
}

.page-privacy .pv-figures__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 折叠 ---------- */
.page-privacy .pv-fold {
  margin-top: 6px;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
}

.page-privacy .pv-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--lime);
  cursor: pointer;
  list-style: none;
  transition: background-color .2s var(--ease);
}

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

.page-privacy .pv-fold > summary:hover,
.page-privacy .pv-fold > summary:focus-visible {
  background: var(--lime-soft);
}

.page-privacy .pv-fold > summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
}

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

.page-privacy .pv-fold__body {
  padding: 2px 18px 18px;
}

.page-privacy .pv-fold[open] .pv-fold__body {
  animation: pvFoldIn .28s var(--ease);
}

@keyframes pvFoldIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.page-privacy .pv-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
  opacity: .88;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-privacy .pv-list strong {
  color: var(--text);
  font-weight: 700;
}

/* ---------- 联系渠道 ---------- */
.page-privacy .pv-contact {
  margin: 16px 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-privacy .pv-contact__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 12px 0;
  border-top: 1px solid var(--ink-700);
}

.page-privacy .pv-contact__key {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-privacy .pv-contact__val,
.page-privacy .pv-contact__item a {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-privacy .pv-contact__item a {
  color: var(--link);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .pv-row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .pv-contact__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .pv-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-privacy .pv-block {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 22px;
  }

  .page-privacy .pv-block__panel {
    padding: 28px 28px 32px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-hero {
    padding: 44px 0 66px;
  }

  .page-privacy .pv-hero__grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 48px;
  }

  .page-privacy .pv-hero__visual {
    aspect-ratio: 5 / 4;
  }

  .page-privacy .pv-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    margin-top: 16px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 92px;
  }

  .page-privacy .pv-toc__list {
    flex-direction: column;
    overflow: visible;
    gap: 8px;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc__list a {
    white-space: normal;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    padding: 8px 10px 8px 12px;
  }

  .page-privacy .pv-toc__list a:hover,
  .page-privacy .pv-toc__list a:focus-visible {
    border-left-color: var(--lime);
    background: var(--lime-soft);
  }

  .page-privacy .pv-sections {
    gap: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-fold[open] .pv-fold__body {
    animation: none;
  }
}