.page-privacy {
  --pv-doc: 46rem;
  --pv-rail: 236px;
  --pv-glow: rgba(53, 230, 210, 0.14);
  --pv-glow2: rgba(76, 139, 255, 0.18);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: clamp(26px, 4.5vw, 60px) 0 0;
  overflow: hidden;
  background:
    radial-gradient(120% 88% at 10% 0%, var(--pv-glow2) 0%, transparent 62%),
    radial-gradient(78% 62% at 92% 6%, var(--pv-glow) 0%, transparent 60%);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 48, 74, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 48, 74, 0.55) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 76%);
}

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

.page-privacy .pv-hero h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.85rem, 4.6vw, 3.1rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-privacy .pv-hero h1::after {
  content: "";
  display: block;
  width: clamp(72px, 12vw, 128px);
  height: 3px;
  margin-top: clamp(18px, 2.6vw, 26px);
  border-radius: 2px;
  background: var(--pulse);
}

.page-privacy .pv-hero .lead {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 60ch;
  color: var(--muted);
}

.page-privacy .pv-hero__quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero__qi {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--rad);
  background: rgba(22, 35, 58, 0.55);
  backdrop-filter: blur(6px);
}

.page-privacy .pv-hero__qno {
  color: var(--cyan);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.page-privacy .pv-hero__qtx {
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.page-privacy .pv-hero__media {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: clamp(26px, 4vw, 52px) auto 0;
  padding: 0 var(--gut);
}

.page-privacy .pv-hero__frame {
  position: relative;
  aspect-ratio: 16 / 6;
  min-height: 132px;
  max-height: 280px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--rad);
  background: var(--hull);
}

.page-privacy .pv-hero__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.page-privacy .pv-hero__media .media__cap {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pv-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  padding-top: clamp(34px, 5vw, 68px);
  padding-bottom: clamp(34px, 5vw, 72px);
}

/* ---------- 章节索引 ---------- */
.page-privacy .pv-rail {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-privacy .pv-rail__label {
  margin: 0 0 12px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-privacy .pv-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-privacy .pv-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--rad);
  background: rgba(22, 35, 58, 0.6);
  color: var(--text);
  font-size: 0.88rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-privacy .pv-rail__link:hover,
.page-privacy .pv-rail__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-privacy .pv-rail__no {
  color: var(--cyan);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.page-privacy .pv-top {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 2px;
}

.page-privacy .pv-top:hover,
.page-privacy .pv-top:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 正文 ---------- */
.page-privacy .pv-doc {
  max-width: var(--pv-doc);
  min-width: 0;
}

.page-privacy .pv-sec {
  padding: clamp(26px, 4vw, 40px) 0;
  border-top: 1px solid var(--line);
}

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

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}

.page-privacy .pv-sec__no {
  flex: 0 0 auto;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: var(--rad);
  color: var(--cyan);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(1.16rem, 2.6vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .pv-sec__lead {
  margin: 0 0 18px;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.78;
}

.page-privacy .pv-sec__lead--tail {
  margin-top: 8px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.page-privacy .pv-inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.4);
}

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

/* 要点列表 */
.page-privacy .pv-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-privacy .pv-list > li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.82;
}

.page-privacy .pv-list > li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--mono);
  color: var(--cyan);
}

.page-privacy .pv-k {
  color: var(--text);
  font-weight: 600;
}

.page-privacy .pv-mail {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed var(--cyan);
}

.page-privacy .pv-copy {
  margin-left: 8px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: var(--rad);
  background: rgba(22, 35, 58, 0.7);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-privacy .pv-copy:hover,
.page-privacy .pv-copy:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-privacy .pv-copy[data-copied] {
  border-color: var(--ok);
  color: var(--ok);
}

/* 术语展开 */
.page-privacy .pv-term {
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  border-radius: var(--rad);
  background: rgba(14, 23, 41, 0.72);
}

.page-privacy .pv-term__word {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 1px dashed var(--cyan);
}

.page-privacy .pv-term__word::after {
  content: "＋";
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--cyan);
}

.page-privacy .pv-term__word:hover,
.page-privacy .pv-term__word:focus-visible {
  color: var(--cyan);
}

.page-privacy .pv-term__note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.page-privacy .pv-term__note p {
  margin: 0;
}

/* ---------- 相关入口 ---------- */
.page-privacy .pv-rel {
  padding-top: clamp(30px, 5vw, 60px);
  padding-bottom: clamp(36px, 6vw, 76px);
  border-top: 1px solid var(--line);
}

.page-privacy .pv-rel__title {
  margin: 0 0 20px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .pv-rel__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-rel__card {
  padding: 18px 18px 20px;
}

.page-privacy .pv-rel__card .card__no {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.page-privacy .pv-rel__card .card__title {
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 700;
}

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

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

.page-privacy .pv-rel__card .card__body {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-hero__quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1024px) {
  .page-privacy .pv-shell {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: calc(var(--hdr) + 28px);
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 4px;
    padding-left: 18px;
  }

  .page-privacy .pv-rail__list {
    flex-direction: column;
    overflow-x: visible;
    padding-bottom: 0;
    gap: 6px;
  }

  .page-privacy .pv-rail__item {
    flex: 1 1 auto;
  }

  .page-privacy .pv-rail__link {
    width: 100%;
    justify-content: flex-start;
    border-color: transparent;
    border-left: 2px solid transparent;
    background: none;
    border-radius: 0;
    padding: 7px 10px;
  }

  .page-privacy .pv-rail__link:hover,
  .page-privacy .pv-rail__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(22, 35, 58, 0.55);
  }

  .page-privacy .pv-doc {
    max-width: var(--pv-doc);
  }
}