.page-privacy {
  --pv-measure: 40em;
  --pv-no-col: clamp(56px, 8vw, 104px);
  --pv-body-ink: rgba(19, 26, 34, 0.88);
  --pv-body-paper: rgba(241, 234, 224, 0.86);
  background: var(--ink);
  color: var(--paper);
}

.page-privacy a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy a:hover {
  color: var(--summer);
}

.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 6vw, 84px) 0 clamp(28px, 4vw, 56px);
  background:
    radial-gradient(110% 80% at 88% -20%, rgba(70, 194, 240, 0.18), transparent 62%),
    radial-gradient(80% 60% at 4% 110%, rgba(31, 201, 142, 0.14), transparent 60%),
    var(--ink);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(440px, 48vw);
  height: min(440px, 48vw);
  background: linear-gradient(142deg, rgba(255, 122, 26, 0.22), rgba(184, 255, 61, 0.12) 48%, transparent 72%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

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

.page-privacy .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 36px);
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .crumbs__item + .crumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-privacy .pv-hero__kicker {
  color: var(--winter);
}

.page-privacy .pv-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(40px, 9vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .pv-hero__lede {
  max-width: 34em;
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  font-size: clamp(16px, 1.6vw, 18px);
  font-weight: 300;
  line-height: 1.85;
  color: rgba(241, 234, 224, 0.82);
}

.page-privacy .pv-hero__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 44px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-hero__metaitem {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-privacy .pv-hero__metaitem .label {
  color: var(--muted);
}

.page-privacy .pv-hero__metaval {
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper-2);
}

.page-privacy .pv-hero__fig {
  position: relative;
  z-index: 1;
  margin: clamp(30px, 4.4vw, 56px) 0 0;
}

.page-privacy .pv-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-privacy .media-frame__caption {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 条款索引 ---------- */

.page-privacy .pv-indexwrap {
  padding: clamp(36px, 5vw, 68px) 0 clamp(30px, 4vw, 56px);
  background: var(--ink);
}

.page-privacy .pv-indexwrap__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--paper-2);
}

.page-privacy .pv-index {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-index__item {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-index__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 4px;
  text-decoration: none;
  color: var(--paper-2);
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-privacy .pv-index__link:hover {
  color: var(--pulse);
  padding-left: 10px;
}

.page-privacy .pv-index__no {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  flex: 0 0 auto;
}

.page-privacy .pv-index__label {
  font-size: 16px;
  line-height: 1.5;
}

/* ---------- 条款容器与底色切换 ---------- */

.page-privacy .pv-clauses {
  padding: clamp(40px, 6vw, 88px) 0;
}

.page-privacy .pv-clauses--paper {
  background: var(--paper);
  color: var(--ink-raise);
}

.page-privacy .pv-clauses--raise {
  background: var(--ink-raise);
  color: var(--paper);
}

.page-privacy .pv-clause {
  --pv-rule: var(--line);
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: clamp(28px, 4vw, 46px) 0;
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: 110px;
  transition: background-color 0.32s var(--ease);
}

.page-privacy .pv-clauses--paper .pv-clause {
  --pv-rule: var(--line-paper);
}

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

.page-privacy .pv-clause__no {
  font-size: clamp(26px, 4.4vw, 46px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.01em;
  color: var(--pv-no, var(--muted));
}

.page-privacy .pv-clause--spring { --pv-no: var(--spring); }
.page-privacy .pv-clause--summer { --pv-no: var(--summer); }
.page-privacy .pv-clause--autumn { --pv-no: var(--autumn); }
.page-privacy .pv-clause--winter { --pv-no: var(--winter); }

.page-privacy .pv-clause:target {
  background: rgba(184, 255, 61, 0.05);
  box-shadow: inset 3px 0 0 var(--pulse);
}

.page-privacy .pv-clause:target .pv-clause__no {
  color: var(--pulse);
}

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

.page-privacy .pv-clause__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-privacy .pv-clauses--paper .pv-clause__title {
  color: var(--ink-raise);
}

.page-privacy .pv-clauses--raise .pv-clause__title {
  color: var(--paper);
}

.page-privacy .pv-clause__body p {
  margin: 0 0 14px;
  font-size: 16.5px;
  font-weight: 300;
  line-height: 1.85;
}

.page-privacy .pv-clauses--paper .pv-clause__body p {
  color: var(--pv-body-ink);
}

.page-privacy .pv-clauses--raise .pv-clause__body p {
  color: var(--pv-body-paper);
}

.page-privacy .pv-clauses--paper .pv-clause__body a {
  color: var(--ink-raise);
  text-decoration-color: var(--spring);
}

.page-privacy .pv-clauses--raise .pv-clause__body a {
  color: var(--winter);
  text-decoration-color: var(--winter);
}

/* ---------- 列表 ---------- */

.page-privacy .pv-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 11px;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.82;
}

.page-privacy .pv-list--tight li {
  font-size: 15px;
  margin-bottom: 8px;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.8em;
  width: 7px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.page-privacy .pv-list strong {
  font-weight: 600;
}

.page-privacy .pv-clauses--paper .pv-list li {
  color: var(--pv-body-ink);
}

.page-privacy .pv-clauses--raise .pv-list li {
  color: var(--pv-body-paper);
}

/* ---------- 信息流示意 ---------- */

.page-privacy .pv-flowfig {
  margin: clamp(22px, 3vw, 34px) 0 clamp(24px, 3vw, 36px);
}

.page-privacy .pv-flow {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-privacy .pv-flow__axis {
  stroke: var(--line);
  stroke-width: 1;
}

.page-privacy .pv-flow__dot--a { fill: var(--spring); }
.page-privacy .pv-flow__dot--b { fill: var(--summer); }
.page-privacy .pv-flow__dot--c { fill: var(--autumn); }

.page-privacy .pv-flow text {
  font-family: var(--font-mono);
}

.page-privacy .pv-flow__t {
  font-size: 24px;
  letter-spacing: 0.12em;
  fill: var(--paper-2);
}

.page-privacy .pv-flow__s {
  font-size: 17px;
  letter-spacing: 0.06em;
  fill: var(--muted);
}

.page-privacy .pv-flowfig__cap {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

/* ---------- 用途与期限对照 ---------- */

.page-privacy .pv-map {
  margin: 0 0 20px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-map__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 24px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-map__key {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--winter);
}

.page-privacy .pv-map__val {
  margin: 0;
  font-size: 15.5px;
  font-weight: 300;
  line-height: 1.78;
  color: var(--pv-body-paper);
}

.page-privacy .pv-map__val .label {
  display: block;
  margin-top: 7px;
  color: var(--autumn);
}

/* ---------- 展开组 ---------- */

.page-privacy .pv-more {
  margin: 20px 0 0;
  border-top: 1px solid var(--pv-rule, var(--line));
}

.page-privacy .pv-more > summary {
  position: relative;
  padding: 14px 0 14px 26px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: color 0.18s var(--ease);
}

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

.page-privacy .pv-more > summary::before {
  content: "+";
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--pulse);
}

.page-privacy .pv-clauses--paper .pv-more > summary::before {
  color: var(--ink-raise);
}

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

.page-privacy .pv-more > summary:hover {
  color: var(--paper);
}

.page-privacy .pv-clauses--paper .pv-more > summary:hover {
  color: var(--ink-raise);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-privacy .pv-more > .pv-list {
  padding-bottom: 10px;
}

/* ---------- 尾部索引 ---------- */

.page-privacy .pv-outro {
  padding: clamp(44px, 6vw, 84px) 0 clamp(56px, 8vw, 104px);
  background: var(--ink);
}

.page-privacy .pv-outro__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: -0.01em;
  color: var(--paper-2);
}

.page-privacy .pv-outro__grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-outro__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 16px 24px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  transition: background-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-privacy .pv-outro__item:hover {
  background-color: rgba(19, 26, 34, 0.9);
  padding-left: 12px;
  color: var(--paper);
}

.page-privacy .pv-outro__item .label {
  color: var(--muted);
}

.page-privacy .pv-outro__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-privacy .pv-outro__desc {
  font-size: 14.5px;
  font-weight: 300;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .pv-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px 28px;
  }

  .page-privacy .pv-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-privacy .pv-map__row {
    grid-template-columns: 150px minmax(0, 1fr);
  }

  .page-privacy .pv-outro__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 880px) {
  .page-privacy .pv-clause {
    grid-template-columns: var(--pv-no-col) minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-privacy .pv-clause__no {
    grid-column: 1;
    position: sticky;
    top: 108px;
  }

  .page-privacy .pv-clause__body {
    grid-column: 2;
  }
}

@media (min-width: 1040px) {
  .page-privacy .pv-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-map__row {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .page-privacy .pv-outro__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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