.page-privacy {
  --pv-measure: 40rem;
  --pv-rail-w: 208px;
  --pv-rail-gap: clamp(28px, 4vw, 56px);
  --pv-sticky: 128px;
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* 面包屑 */
.page-privacy .pv-crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5em;
  margin: 0;
  padding: clamp(14px, 2.2vw, 22px) 0 0;
  font-family: var(--font-data);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-privacy .pv-crumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-privacy .pv-crumbs a:hover,
.page-privacy .pv-crumbs a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* 首屏框景 */
.page-privacy .pv-hero {
  margin-top: clamp(16px, 2.4vw, 28px);
  padding: clamp(22px, 3.6vw, 44px);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 100% at 10% 0%, rgba(33, 243, 208, .10), rgba(7, 11, 20, 0) 58%),
    linear-gradient(180deg, var(--panel-2), var(--void));
}

.page-privacy .pv-hero__inner {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-privacy .pv-hero__kicker {
  margin: 0 0 .7em;
  font-family: var(--font-data);
  font-size: .8125rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pv-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: .04em;
  color: var(--text);
}

.page-privacy .pv-hero__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 44ch;
  font-size: clamp(1.0625rem, 1.5vw, 1.1875rem);
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .pv-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel-2);
}

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

/* 主体：左轨目录 + 纸面长文 */
.page-privacy .pv-body {
  display: grid;
  gap: var(--pv-rail-gap);
  margin-top: clamp(28px, 5vw, 56px);
}

.page-privacy .pv-rail {
  position: relative;
  min-width: 0;
  padding-left: 0;
}

.page-privacy .pv-rail__scale {
  display: none;
}

.page-privacy .pv-rail__nav {
  min-width: 0;
}

.page-privacy .pv-rail__list {
  display: flex;
  gap: 6px;
  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: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-privacy .pv-rail__num {
  font-family: var(--font-data);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--amber);
}

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

.page-privacy .pv-rail__link[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(33, 243, 208, .08);
}

.page-privacy .pv-rail__link:focus-visible {
  outline: var(--ring);
  outline-offset: 2px;
}

/* 纸面文档 */
.page-privacy .pv-doc {
  width: 100%;
  max-width: var(--pv-measure);
  padding: clamp(22px, 4vw, 52px) clamp(20px, 4vw, 52px);
  background: var(--paper);
  border: 1px solid var(--paper-line);
  color: var(--ink);
}

.page-privacy .pv-doc a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--coral);
}

.page-privacy .pv-doc a:hover,
.page-privacy .pv-doc a:focus-visible {
  color: var(--coral);
}

.page-privacy .pv-sec {
  scroll-margin-top: 148px;
}

.page-privacy .pv-sec + .pv-sec {
  margin-top: clamp(30px, 5vw, 52px);
  padding-top: clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--paper-line);
}

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

.page-privacy .pv-sec__num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--paper-muted);
  border-bottom: 2px solid var(--coral);
  padding-bottom: 2px;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: .03em;
  color: var(--ink);
}

.page-privacy .pv-clause {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-clause__item {
  position: relative;
  padding-left: 2.75rem;
  margin-top: 18px;
}

.page-privacy .pv-clause__item:first-child {
  margin-top: 0;
}

.page-privacy .pv-clause__item:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 6px;
}

.page-privacy .pv-clause__idx {
  position: absolute;
  left: 0;
  top: .22em;
  font-family: var(--font-data);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--paper-muted);
}

.page-privacy .pv-clause__name {
  margin: 0 0 5px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-privacy .pv-clause__text {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--ink);
}

/* 底部下一步 */
.page-privacy .pv-next {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: linear-gradient(120deg, var(--panel), var(--void));
}

.page-privacy .pv-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  letter-spacing: .03em;
  color: var(--text);
}

.page-privacy .pv-next__desc {
  margin: .8em 0 0;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pv-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .pv-next__actions .btn {
  flex: 1 1 auto;
  text-align: center;
}

/* 媒体查询：平板与桌面 */
@media (min-width: 760px) {
  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
  }

  .page-privacy .pv-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-privacy .pv-next__actions {
    flex: 0 0 auto;
    flex-wrap: nowrap;
  }

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

@media (min-width: 1024px) {
  .page-privacy .pv-body {
    grid-template-columns: var(--pv-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: var(--pv-sticky);
    padding-left: 22px;
  }

  .page-privacy .pv-rail__scale {
    display: block;
    position: absolute;
    left: 0;
    top: 2px;
    bottom: 2px;
    width: 1px;
    background: var(--line);
  }

  .page-privacy .pv-rail__scale::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 9px;
    background: repeating-linear-gradient(to bottom, var(--line) 0 1px, rgba(28, 44, 70, 0) 1px 22px);
  }

  .page-privacy .pv-rail__fill {
    display: none;
  }

  .page-privacy .pv-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .pv-rail__item + .pv-rail__item {
    margin-top: 4px;
  }

  .page-privacy .pv-rail__link {
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
    white-space: normal;
    padding: 8px 10px;
  }

  .page-privacy .pv-rail__link[aria-current="true"] {
    background: rgba(33, 243, 208, .07);
  }
}

@supports (animation-timeline: scroll()) {
  @media (min-width: 1024px) {
    .page-privacy .pv-rail__fill {
      display: block;
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 1px;
      transform-origin: top center;
      background: linear-gradient(to bottom, var(--lime), var(--cyan) 55%, var(--violet));
      animation: pv-rail-fill linear both;
      animation-timeline: scroll(root block);
    }
  }
}

@keyframes pv-rail-fill {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    animation: none !important;
    transition: none !important;
  }

  .page-privacy .pv-rail__fill {
    display: none !important;
  }
}

@media print {
  .page-privacy {
    background: #ffffff;
    color: #000000;
    padding-bottom: 0;
  }

  .page-privacy .pv-rail,
  .page-privacy .pv-next,
  .page-privacy .pv-hero__media {
    display: none;
  }

  .page-privacy .pv-hero {
    border: 0;
    background: none;
    padding: 0;
  }

  .page-privacy .pv-hero__kicker,
  .page-privacy .pv-hero__title,
  .page-privacy .pv-hero__lede {
    color: #000000;
  }

  .page-privacy .pv-doc {
    max-width: none;
    border: 0;
    background: #ffffff;
    color: #000000;
    padding: 0;
  }

  .page-privacy .pv-clause__text,
  .page-privacy .pv-clause__name,
  .page-privacy .pv-sec__title {
    color: #000000;
  }

  .page-privacy .pv-body {
    display: block;
  }
}