.page-privacy {
  --pv-grid: 1180px;
  --pv-toc-w: 272px;
  position: relative;
  display: block;
  padding: 26px 0 84px;
  overflow-x: clip;
  background:
    radial-gradient(760px 380px at 92% -4%, rgba(31, 224, 207, 0.1), transparent 62%),
    radial-gradient(620px 360px at 2% 42%, rgba(255, 106, 43, 0.07), transparent 60%);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(195, 210, 220, 0.045) 0 1px,
    transparent 1px 5px
  );
}

.page-privacy .shell {
  position: relative;
  z-index: 1;
  max-width: var(--pv-grid);
}

.page-privacy .breadcrumb {
  margin-bottom: 22px;
}

/* ---------- 首屏 ---------- */
.pv-hero {
  border-left: 4px solid var(--signal-500);
  padding: 4px 0 4px 18px;
  margin-bottom: 30px;
}

.pv-hero__eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--condense-300);
}

.pv-hero__title {
  margin: 0 0 16px;
  font-size: clamp(32px, 8vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--frost-50);
}

.pv-hero__lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.pv-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pv-hero__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-dim);
  border-top: 1px solid var(--hair);
  padding-top: 9px;
}

.pv-hero__meta .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist-500);
  min-width: 68px;
}

/* ---------- 通栏图 ---------- */
.page-privacy .pv-banner {
  margin: 0 0 44px;
  border: var(--line) solid var(--hair);
  box-shadow: var(--shadow-hard);
  background: var(--track-700);
}

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

.page-privacy .pv-banner .media-frame__cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-500);
}

/* ---------- 双栏骨架 ---------- */
.pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

/* ---------- 条款目录 ---------- */
.pv-toc {
  border: var(--line) solid var(--metal-400);
  background: rgba(13, 39, 64, 0.72);
  padding: 16px 14px 14px;
  box-shadow: var(--shadow-drop);
}

.pv-toc__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--signal-500);
}

.pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pv-toc__list li + li {
  border-top: 1px solid var(--hair);
}

.pv-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 10px 6px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.pv-toc__list a .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-500);
}

.pv-toc__list a:hover,
.pv-toc__list a:focus-visible {
  color: var(--condense-300);
  border-left-color: var(--signal-500);
  background: rgba(31, 224, 207, 0.07);
  outline: none;
}

.pv-toc__list a:hover .mono,
.pv-toc__list a:focus-visible .mono {
  color: var(--signal-500);
}

.pv-toc__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-500);
}

.pv-toc__foot a {
  color: var(--condense-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 244, 234, 0.4);
}

.pv-toc__foot a:hover {
  color: var(--signal-500);
}

/* ---------- 条款正文 ---------- */
.pv-body {
  min-width: 0;
  max-width: 74ch;
}

.pv-clause {
  border-top: var(--line) solid var(--hair);
  padding: 30px 0 12px;
  scroll-margin-top: 92px;
}

.pv-clause--last {
  border-bottom: var(--line) solid var(--hair);
  padding-bottom: 30px;
}

.pv-clause__head {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 16px;
}

.pv-clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--abyss-900);
  background: var(--signal-500);
  padding: 3px 7px;
  box-shadow: 3px 3px 0 rgba(255, 106, 43, 0.55);
}

.pv-clause__title {
  margin: 0;
  font-size: clamp(21px, 4.6vw, 27px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--frost-50);
}

.pv-clause p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.pv-clause strong {
  color: var(--frost-50);
  font-weight: 700;
}

/* 旁注式定义卡 */
.pv-defs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 6px 0 20px;
}

.pv-def {
  border: var(--line) solid var(--metal-400);
  border-left: 6px solid var(--signal-500);
  background: rgba(13, 39, 64, 0.6);
  padding: 14px 16px 12px;
  box-shadow: var(--shadow-drop);
}

.pv-def--wide {
  border-left-color: var(--lava-500);
}

.pv-def__label {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ember-200);
}

.pv-def__title {
  margin: 0 0 7px;
  font-size: 16px;
  line-height: 1.3;
  color: var(--frost-50);
}

.pv-def p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

/* 列表 */
.pv-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 13px;
}

.pv-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink-dim);
}

.pv-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--signal-500);
  transform: rotate(45deg);
}

.pv-list li:nth-child(even)::before {
  background: var(--lava-500);
}

/* 编号条款 */
.pv-terms {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 0;
  border: var(--line) solid var(--hair);
  background: rgba(6, 19, 33, 0.5);
}

.pv-terms li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-dim);
}

.pv-terms li + li {
  border-top: 1px solid var(--hair);
}

.pv-terms__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--signal-500);
}

.pv-terms strong {
  color: var(--frost-50);
}

/* 行内提示 */
.pv-note-line {
  border-left: 3px solid var(--lava-500);
  background: rgba(255, 106, 43, 0.08);
  padding: 11px 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.pv-note-line .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ember-200);
  margin-right: 6px;
}

/* 折叠说明 */
.pv-more {
  border: var(--line) solid var(--hair);
  background: rgba(13, 39, 64, 0.55);
  margin: 4px 0 16px;
}

.pv-more > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--condense-300);
}

.pv-more > summary::-webkit-details-marker {
  display: none;
}

.pv-more > summary::after {
  content: "+";
  flex: none;
  color: var(--signal-500);
  font-size: 17px;
  line-height: 1;
}

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

.pv-more > summary:focus-visible {
  outline: 2px solid var(--signal-500);
  outline-offset: -2px;
}

.pv-more__body {
  border-top: 1px solid var(--hair);
  padding: 13px 14px 4px;
}

.pv-more__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* 邮箱条 */
.pv-contact-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  border: var(--line) solid var(--signal-500);
  background: rgba(31, 224, 207, 0.07);
  padding: 13px 15px;
  box-shadow: var(--shadow-lava);
  margin: 6px 0 16px;
}

.pv-contact-strip__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist-500);
}

.pv-contact-strip__mail {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--frost-50);
  word-break: break-all;
}

/* 结尾强调块 */
.pv-callout {
  border: var(--line) solid var(--metal-400);
  background: linear-gradient(135deg, rgba(255, 106, 43, 0.12), rgba(13, 39, 64, 0.7) 58%);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow-hard);
}

.pv-callout__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--frost-50);
}

.pv-callout__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .to-top {
  position: fixed;
  right: 18px;
  bottom: 22px;
  z-index: 20;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-privacy {
    padding-top: 40px;
  }

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

  .pv-def--wide {
    grid-column: 1 / -1;
  }

  .pv-terms li {
    grid-template-columns: 62px minmax(0, 1fr);
    padding: 16px 18px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-privacy {
    padding: 56px 0 110px;
  }

  .pv-hero {
    padding-left: 24px;
    margin-bottom: 38px;
  }

  .pv-layout {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

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

  .pv-body {
    padding-right: 8%;
  }

  .pv-clause {
    padding: 38px 0 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}