.page-privacy {
  position: relative;
  overflow-x: clip;
  background: var(--pitch-ink);
  color: var(--chalk);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 4vw, 44px) 0 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero__block {
  position: absolute;
  top: -14%;
  right: -16%;
  width: min(560px, 82vw);
  height: min(560px, 82vw);
  background:
    radial-gradient(circle at 30% 30%, rgba(200, 255, 61, .14), rgba(11, 27, 43, 0) 58%),
    var(--deep-moss);
  clip-path: polygon(16% 0, 100% 0, 100% 80%, 62% 100%, 0 76%, 0 20%);
  opacity: .5;
  z-index: -1;
  pointer-events: none;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-crumb {
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-privacy .pv-title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 12vw, 6.8rem);
  line-height: .9;
  font-weight: 800;
  letter-spacing: -.02em;
  margin: .14em 0 .16em;
  color: var(--chalk);
}

.page-privacy .pv-sub {
  font-family: var(--font-head);
  font-size: clamp(1.02rem, 2.3vw, 1.42rem);
  line-height: 1.35;
  font-weight: 400;
  color: var(--score-gray);
  max-width: 32ch;
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-privacy .pv-lead {
  max-width: 64ch;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.78;
  color: rgba(240, 247, 243, .78);
  margin: 0;
}

.page-privacy .pv-metrics {
  margin: clamp(28px, 4.5vw, 46px) 0 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-metrics__item {
  background: var(--night-blue);
  padding: 16px 18px 18px;
}

.page-privacy .pv-metrics dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--score-gray);
  margin-bottom: 8px;
}

.page-privacy .pv-metrics dd {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-privacy .pv-texture {
  position: relative;
  margin: clamp(34px, 6vw, 72px) 0 0;
}

.page-privacy .pv-texture img {
  display: block;
  width: 100%;
  height: clamp(180px, 32vw, 380px);
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.5) brightness(.6);
}

.page-privacy .pv-texture__cap {
  position: absolute;
  left: clamp(16px, 4vw, 44px);
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--score-gray);
  background: rgba(7, 17, 15, .72);
  padding: 5px 10px;
}

/* ---------- 正文与章节轨道 ---------- */

.page-privacy .pv-body {
  padding: var(--step) 0 calc(var(--step) * 1.1);
}

.page-privacy .pv-body__grid {
  display: grid;
  gap: clamp(26px, 5vw, 58px);
}

.page-privacy .pv-toc {
  border-left: 2px solid var(--deep-moss);
  padding-left: 16px;
}

.page-privacy .pv-toc__title {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--score-gray);
  margin: 0 0 14px;
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
}

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-family: var(--font-body);
  font-size: .92rem;
  line-height: 1.4;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--lime);
  opacity: .5;
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-privacy .pv-toc__link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 章节 ---------- */

.page-privacy .pv-content {
  min-width: 0;
}

.page-privacy .pv-chapter {
  padding: clamp(26px, 4vw, 46px) 0;
  border-top: 1px solid var(--line);
}

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

.page-privacy .pv-chapter__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-privacy .pv-chapter__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(200, 255, 61, .6);
}

.page-privacy .pv-chapter__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.6vw, 1.95rem);
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--chalk);
}

.page-privacy .pv-chapter__body p {
  max-width: 68ch;
  margin: 0 0 1em;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(240, 247, 243, .82);
}

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

.page-privacy .pv-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, .4);
  transition: border-color .25s var(--ease);
}

.page-privacy .pv-link:hover,
.page-privacy .pv-link:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 条目行 ---------- */

.page-privacy .pv-rows {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  margin: clamp(18px, 3vw, 28px) 0 0;
}

.page-privacy .pv-row {
  border-left: 2px solid var(--deep-moss);
  padding-left: clamp(14px, 2vw, 20px);
}

.page-privacy .pv-row__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--lime);
  font-weight: 700;
}

.page-privacy .pv-row__text {
  margin: 0;
  max-width: 66ch;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(240, 247, 243, .8);
}

/* ---------- 列表 ---------- */

.page-privacy .pv-list {
  list-style: none;
  margin: clamp(16px, 3vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 70ch;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(240, 247, 243, .8);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--lime);
}

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

/* ---------- 备注 ---------- */

.page-privacy .pv-note {
  max-width: 68ch;
  margin: clamp(18px, 2.8vw, 26px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
  font-family: var(--font-body);
  font-size: .94rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-privacy .pv-note--lime {
  border-left-color: var(--lime);
  color: rgba(240, 247, 243, .72);
}

/* ---------- 展开块 ---------- */

.page-privacy .pv-details {
  margin: clamp(18px, 3vw, 26px) 0 0;
  border: 1px solid var(--line);
  background: var(--night-blue);
}

.page-privacy .pv-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--lime);
  list-style: none;
}

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

.page-privacy .pv-details summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--chalk);
}

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

.page-privacy .pv-details summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-privacy .pv-details__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-details__body p {
  margin: 14px 0 0;
  max-width: 66ch;
  font-family: var(--font-body);
  font-size: .96rem;
  line-height: 1.75;
  color: rgba(240, 247, 243, .78);
}

.page-privacy .pv-details__body .pv-list {
  margin-top: 12px;
}

/* ---------- 联络信息 ---------- */

.page-privacy .pv-contact {
  display: grid;
  gap: 1px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-contact__row {
  background: var(--night-blue);
  padding: 14px 16px 16px;
  display: grid;
  gap: 6px;
}

.page-privacy .pv-contact__key {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--score-gray);
}

.page-privacy .pv-contact__val {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-privacy .pv-chapter__body + .pv-contact,
.page-privacy .pv-contact + .pv-chapter__body {
  margin-top: clamp(18px, 3vw, 26px);
}

/* ---------- 底部相关页 ---------- */

.page-privacy .pv-next-wrap {
  margin-top: clamp(34px, 6vw, 72px);
}

.page-privacy .pv-next {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-next__link {
  display: block;
  padding: clamp(18px, 3vw, 26px);
  background: var(--pitch-ink);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--chalk);
  transition: background .3s var(--ease), color .3s var(--ease);
}

.page-privacy .pv-next__link span {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--score-gray);
}

.page-privacy .pv-next__link:hover,
.page-privacy .pv-next__link:focus-visible {
  background: var(--deep-moss);
  color: var(--lime);
}

.page-privacy .pv-next__link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .pv-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-privacy .pv-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-privacy .pv-body__grid {
    grid-template-columns: minmax(180px, 208px) minmax(0, 1fr);
    align-items: start;
  }

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

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

  .page-privacy .pv-toc__link {
    display: flex;
    width: 100%;
    border-bottom: 1px solid var(--line);
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    border-bottom-color: var(--lime);
  }
}

@media (min-width: 1180px) {
  .page-privacy .pv-chapter {
    padding-block: clamp(36px, 4vw, 58px);
  }
}

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