.page-privacy {
  display: block;
}

/* ---------- 页首：夜间题头 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: clamp(24px, 4.2vw, 46px) 0 clamp(26px, 4.2vw, 50px);
  background:
    radial-gradient(120% 96% at 50% -26%, rgba(53, 242, 208, 0.16), transparent 62%),
    var(--c-deep);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 16px;
  background: repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 26px);
  opacity: 0.6;
  pointer-events: none;
}

.page-privacy .breadcrumb {
  font-size: var(--t-14);
  color: var(--c-mist);
}

.page-privacy .breadcrumb a {
  color: var(--c-mist);
  text-decoration: none;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--c-cyan);
}

.page-privacy .pv-hero .kicker {
  margin-top: clamp(16px, 2.4vw, 26px);
}

.page-privacy .pv-hero__title {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--f-sans);
  font-size: clamp(30px, 5.2vw, var(--t-56));
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--c-bright);
  text-wrap: balance;
}

.page-privacy .pv-hero__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 62ch;
  font-size: var(--t-17);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-privacy .pv-hero__meta {
  margin: 16px 0 0;
  font-family: var(--f-mono);
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  color: var(--c-amber);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-hero__media {
  margin: clamp(22px, 3.2vw, 34px) 0 0;
}

.page-privacy .pv-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-privacy .pv-hero__media .media__caption {
  margin-top: 10px;
  font-family: var(--f-serif);
  font-size: var(--t-12);
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 主体：由暗入亮 ---------- */
.page-privacy .pv-body {
  padding: 0 0 clamp(42px, 6vw, 90px);
  background: var(--c-paper);
  color: var(--c-ink);
}

.page-privacy .pv-body::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--c-cyan) 0%, var(--c-teal) 42%, var(--c-amber) 100%);
}

.page-privacy .pv-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  padding-top: clamp(26px, 4.4vw, 54px);
}

/* 章节索引 */
.page-privacy .pv-toc {
  min-width: 0;
}

.page-privacy .pv-toc__title {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-size: var(--t-12);
  letter-spacing: 0.2em;
  color: var(--c-brick);
}

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

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

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid rgba(23, 18, 12, 0.18);
  border-radius: 999px;
  font-size: var(--t-14);
  line-height: 1.4;
  color: var(--c-ink);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-privacy .pv-toc__no {
  font-size: var(--t-12);
  color: var(--c-brick);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: #ffffff;
  background: var(--c-brick);
  border-color: var(--c-brick);
}

.page-privacy .pv-toc__link:hover .pv-toc__no,
.page-privacy .pv-toc__link:focus-visible .pv-toc__no {
  color: #ffffff;
}

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

/* 正文纸面 */
.page-privacy .pv-doc {
  min-width: 0;
  padding: clamp(20px, 3.2vw, 42px) clamp(18px, 3vw, 46px) clamp(24px, 3.4vw, 48px);
  background: rgba(247, 251, 255, 0.58);
  border: 1px solid rgba(23, 18, 12, 0.08);
  border-radius: var(--r-lg);
  box-shadow: 0 34px 64px -54px rgba(23, 18, 12, 0.95);
}

.page-privacy .pv-chapter {
  scroll-margin-top: 84px;
}

.page-privacy .pv-chapter + .pv-chapter {
  margin-top: clamp(24px, 3.4vw, 40px);
  padding-top: clamp(24px, 3.4vw, 40px);
  border-top: 1px solid rgba(200, 69, 43, 0.34);
}

.page-privacy .pv-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: clamp(12px, 1.6vw, 18px);
}

.page-privacy .pv-chapter__no {
  flex: 0 0 auto;
  font-size: var(--t-21);
  letter-spacing: 0.04em;
  color: var(--c-brick);
}

.page-privacy .pv-chapter__title {
  margin: 0;
  font-family: var(--f-sans);
  font-size: clamp(21px, 2.8vw, var(--t-28));
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-privacy .pv-doc p {
  max-width: 68ch;
  margin: 0 0 14px;
  font-size: var(--t-17);
  line-height: var(--lh-body);
  color: rgba(23, 18, 12, 0.88);
}

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

.page-privacy .pv-doc ul {
  max-width: 68ch;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-doc li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 22px;
  font-size: var(--t-17);
  line-height: 1.8;
  color: rgba(23, 18, 12, 0.86);
}

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

.page-privacy .pv-doc li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--c-brick);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-privacy .pv-doc strong {
  color: var(--c-ink);
  font-weight: 700;
}

/* 折叠面板 */
.page-privacy .pv-fold {
  max-width: 68ch;
  margin: 20px 0 4px;
  border: 1px solid rgba(23, 18, 12, 0.18);
  border-radius: var(--r-md);
  background: rgba(23, 18, 12, 0.035);
}

.page-privacy .pv-fold > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  font-size: var(--t-17);
  font-weight: 700;
  color: var(--c-ink);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .pv-fold > summary::before {
  content: "+";
  font-family: var(--f-mono);
  font-size: var(--t-21);
  line-height: 1;
  color: var(--c-brick);
}

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

.page-privacy .pv-fold > summary:focus-visible {
  outline: 2px solid var(--c-brick);
  outline-offset: -2px;
  border-radius: var(--r-md);
}

.page-privacy .pv-fold__body {
  padding: 14px 18px 18px;
  border-top: 1px solid rgba(23, 18, 12, 0.12);
}

/* ---------- 页尾：联络区 ---------- */
.page-privacy .pv-contact {
  padding: clamp(32px, 5vw, 64px) 0 clamp(36px, 5.4vw, 72px);
  background:
    radial-gradient(96% 120% at 12% 0%, rgba(53, 242, 208, 0.12), transparent 58%),
    var(--c-deep);
  border-top: 1px solid var(--line-soft);
  color: var(--c-bright);
}

.page-privacy .pv-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.2vw, 36px);
  align-items: start;
}

.page-privacy .pv-contact__title {
  margin: 10px 0 0;
  font-family: var(--f-sans);
  font-size: clamp(24px, 3.4vw, var(--t-34));
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--c-bright);
}

.page-privacy .pv-contact__body {
  max-width: 52ch;
  margin: 14px 0 0;
  font-size: var(--t-17);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-privacy .pv-contact__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  min-width: 0;
}

.page-privacy .pv-contact__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
}

.page-privacy .pv-contact__card .card__title {
  font-size: var(--t-17);
  font-weight: 700;
  color: var(--c-cyan);
}

.page-privacy .pv-contact__card .card__note {
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--c-mist);
}

.page-privacy .pv-contact__card:hover .card__title,
.page-privacy .pv-contact__card:focus-visible .card__title {
  color: var(--c-amber);
}

.page-privacy .pv-contact__card:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-privacy .pv-contact__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-privacy .pv-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(30px, 4vw, 56px);
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-body__grid {
    grid-template-columns: minmax(0, 208px) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 72px);
    align-items: start;
  }

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

  .page-privacy .pv-toc__list {
    display: block;
    padding: 0;
    overflow: visible;
    border-left: 1px solid rgba(23, 18, 12, 0.16);
  }

  .page-privacy .pv-toc__list li {
    display: block;
  }

  .page-privacy .pv-toc__link {
    display: block;
    margin-left: -1px;
    padding: 9px 0 9px 15px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: var(--t-14);
    line-height: 1.6;
    color: rgba(23, 18, 12, 0.76);
    white-space: normal;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    color: var(--c-ink);
    background: transparent;
    border-left-color: var(--c-brick);
    transform: translateX(3px);
  }

  .page-privacy .pv-toc__link:hover .pv-toc__no,
  .page-privacy .pv-toc__link:focus-visible .pv-toc__no {
    color: var(--c-brick);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    transition: none;
    transform: none;
  }
}