.page-privacy {
  --pv-index: 15.5rem;
  --pv-gap: clamp(1.75rem, 4vw, 4rem);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: clamp(0.5rem, 2vw, 1.25rem) 0 clamp(2rem, 6vw, 3.75rem);
  overflow: hidden;
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  z-index: 0;
  width: 100%;
  height: 42%;
  background: linear-gradient(135deg, var(--sky-mist), rgba(217, 239, 244, 0));
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  top: calc(var(--head-h) + 0.4rem);
  right: clamp(1.15rem, 5.5vw, 6.5rem);
  z-index: 0;
  width: 3.25rem;
  height: 3.25rem;
  border-top: 2px solid var(--fy);
  border-right: 2px solid var(--red);
  opacity: 0.85;
}

.page-privacy .pv-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: end;
}

.page-privacy .pv-hero__copy .display {
  margin: 0.8rem 0 0;
  font-size: clamp(2.05rem, 6.6vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-privacy .pv-hero__copy .lede {
  margin-top: 1.1rem;
  max-width: 36em;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: var(--grey);
}

.page-privacy .pv-hero__figure {
  position: relative;
  margin: 0;
}

.page-privacy .pv-hero__figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--r);
  box-shadow: var(--shadow-1);
  filter: saturate(0.92) contrast(1.02);
}

.page-privacy .pv-hero__figure .figure__caption {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  color: var(--grey);
  letter-spacing: 0.02em;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pv-body {
  padding-block: clamp(1.5rem, 5vw, 3.5rem) clamp(2.5rem, 7vw, 5rem);
}

.page-privacy .pv-body__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

/* ---------- 条款索引 ---------- */
.page-privacy .pv-index {
  align-self: start;
}

.page-privacy .pv-index__title {
  margin: 0 0 0.85rem;
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-privacy .pv-index__list {
  display: flex;
  gap: 0.35rem;
  margin: 0;
  padding: 0 0 0.4rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pv-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  border-bottom: 2px solid var(--line);
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease),
    background-color var(--t) var(--ease);
}

.page-privacy .pv-index__num {
  font-size: 0.68rem;
  color: var(--grey);
  letter-spacing: 0.06em;
}

.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible {
  border-bottom-color: var(--red);
  background: var(--sky-mist);
  color: var(--red-deep);
  outline: none;
}

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

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

.page-privacy .pv-sec {
  padding-block: clamp(1.75rem, 4vw, 2.6rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--head-h) + 1.25rem);
}

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

.page-privacy .pv-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: baseline;
}

.page-privacy .pv-sec__num {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 600;
  line-height: 1;
  color: var(--sky);
  letter-spacing: 0.01em;
}

.page-privacy .pv-sec .title-sec {
  margin: 0;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .pv-sec__body {
  display: grid;
  gap: 1.15rem;
  margin-top: 1.05rem;
  padding-left: 0;
}

.page-privacy .pv-sec__body .prose {
  max-width: 40em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .pv-sec__body .prose p {
  margin: 0 0 0.9rem;
}

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

.page-privacy .pv-note {
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 列表 ---------- */
.page-privacy .pv-list {
  margin: 0.9rem 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 1.3rem;
  line-height: 1.8;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.46rem;
  height: 0.46rem;
  border-radius: 1px;
  background: var(--fy);
}

.page-privacy .pv-list li:nth-child(2n)::before {
  background: var(--fg);
}

.page-privacy .pv-list li:nth-child(3n)::before {
  background: var(--fb);
}

.page-privacy .pv-list li:nth-child(4n)::before {
  background: var(--red);
}

/* ---------- 浅色提示块 ---------- */
.page-privacy .pv-callout {
  margin-top: 1.15rem;
  padding: 0.95rem 1.1rem;
  background: var(--sky-mist);
  border-left: 3px solid var(--red);
  border-radius: var(--r);
}

.page-privacy .pv-callout__k {
  margin: 0 0 0.3rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red-deep);
}

.page-privacy .pv-callout__v {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 收束区 ---------- */
.page-privacy .pv-close {
  padding-block: clamp(2.25rem, 6vw, 4rem);
  border-top: 1px solid var(--line);
}

.page-privacy .pv-close__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-privacy .pv-close__copy .title-sec {
  margin: 0.7rem 0 0.85rem;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--sky-deep);
}

.page-privacy .pv-close__copy .prose {
  margin: 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .pv-close__mail {
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow-1);
}

.page-privacy .pv-close__label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-privacy .pv-close__addr {
  margin: 0.5rem 0 0;
  font-size: clamp(1rem, 2.6vw, 1.32rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--sky-deep);
  word-break: break-all;
}

.page-privacy .pv-close__mail .note {
  margin: 0.8rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--grey);
}

.page-privacy .pv-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-privacy .pv-hero::before {
    width: min(88%, 700px);
    height: 62%;
  }

  .page-privacy .pv-sec__body {
    grid-template-columns: minmax(0, 1fr) 13.5rem;
    gap: clamp(1.25rem, 3vw, 2.5rem);
    align-items: start;
  }

  .page-privacy .pv-note {
    padding-top: 0;
    padding-left: 0.9rem;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: clamp(2rem, 5vw, 4.25rem);
  }

  .page-privacy .pv-body__grid {
    grid-template-columns: var(--pv-index) minmax(0, 1fr);
    gap: var(--pv-gap);
    align-items: start;
  }

  .page-privacy .pv-index {
    position: sticky;
    top: calc(var(--head-h) + 1.25rem);
  }

  .page-privacy .pv-index__list {
    flex-direction: column;
    gap: 0.1rem;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-privacy .pv-index__link {
    display: flex;
    padding: 0.5rem 0.6rem;
    border-bottom: 0;
    border-left: 2px solid var(--line);
    white-space: normal;
  }

  .page-privacy .pv-index__link:hover,
  .page-privacy .pv-index__link:focus-visible {
    border-left-color: var(--red);
    border-bottom-color: transparent;
  }

  .page-privacy .pv-close__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-privacy {
    --pv-index: 17rem;
  }

  .page-privacy .pv-sec__body .prose {
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__link {
    transition: none;
  }
}