.page-privacy {
  background: var(--bg);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(1.75rem, 6vw, 4rem));
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(79, 224, 200, .10), transparent 62%),
    linear-gradient(165deg, var(--c-abyss) 0%, #071512 58%, var(--c-coal) 100%);
}

.page-privacy .pp-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  z-index: 0;
  pointer-events: none;
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(152, 166, 160, .10) 0 1px, transparent 1px 112px),
    linear-gradient(180deg, rgba(10, 31, 26, .25) 40%, rgba(10, 31, 26, .94) 100%);
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.page-privacy .pp-hero .breadcrumb {
  color: var(--c-mist);
  font-size: var(--fs-caption);
}

.page-privacy .pp-hero .breadcrumb a {
  color: var(--c-mist);
  transition: color .2s var(--ease);
}

.page-privacy .pp-hero .breadcrumb a:hover {
  color: var(--c-cyan);
}

.page-privacy .pp-hero h1 {
  margin: .6rem 0 0;
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: .02em;
  color: var(--c-paper);
}

.page-privacy .pp-hero__lead {
  margin: 1.1rem 0 0;
  max-width: 62ch;
  color: var(--text-soft);
  font-size: 1.0625rem;
  line-height: 1.85;
}

.page-privacy .pp-hero__meta {
  margin: 1.35rem 0 0;
  color: var(--c-mist);
  font-size: var(--fs-caption);
  letter-spacing: .05em;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pp-body {
  padding-block: clamp(2.5rem, 7vw, 6rem);
}

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.25rem);
}

.page-privacy .pp-main {
  min-width: 0;
}

/* ---------- 章节索引 ---------- */
.page-privacy .pp-index {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(36, 74, 61, .42), rgba(20, 23, 25, .78));
  padding: 1rem 1rem .6rem;
}

.page-privacy .pp-index .index-rail__label {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-privacy .pp-index .index-rail__list {
  display: flex;
  gap: .4rem;
  margin-top: .7rem;
  padding-bottom: .4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pp-index .index-rail__link {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .45rem .65rem;
  border-radius: var(--radius-s);
  color: var(--text-soft);
  font-size: .875rem;
  white-space: nowrap;
  text-decoration: none;
  transition: color .22s var(--ease), background-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-privacy .pp-index .index-rail__link:hover {
  color: var(--c-cyan);
  background: rgba(79, 224, 200, .07);
}

.page-privacy .pp-index .index-rail__link[aria-current="true"] {
  color: var(--c-cyan);
  background: rgba(79, 224, 200, .10);
  box-shadow: inset 0 -2px 0 var(--c-cyan);
}

.page-privacy .pp-index .index-rail__num {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--c-amber);
}

/* ---------- 章节 ---------- */
.page-privacy .pp-chapter {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 2rem);
}

.page-privacy .pp-chapter:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pp-chapter + .pp-chapter {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-privacy .pp-chapter__head {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
}

.page-privacy .pp-chapter__num {
  flex: none;
  padding-top: .2rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .08em;
  color: var(--c-cyan);
}

.page-privacy .pp-chapter__title {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .015em;
  color: var(--c-paper);
}

.page-privacy .pp-chapter__body {
  margin-top: 1rem;
}

.page-privacy .pp-chapter__body p {
  margin: 0 0 .95rem;
  color: var(--text-soft);
  line-height: 1.85;
}

.page-privacy .pp-chapter__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 条目列表 ---------- */
.page-privacy .pp-list {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-privacy .pp-list li {
  position: relative;
  padding: .85rem 1rem .85rem 2.35rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(120deg, rgba(36, 74, 61, .42), rgba(20, 23, 25, .88));
  color: var(--text-soft);
  font-size: .9375rem;
  line-height: 1.75;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 1.35rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(79, 224, 200, .12);
}

/* ---------- 数据格 ---------- */
.page-privacy .pp-facts {
  display: grid;
  gap: 1px;
  margin-top: 1.4rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--line-soft);
}

.page-privacy .pp-fact {
  background: var(--c-coal);
  padding: 1.1rem 1.2rem;
}

.page-privacy .pp-fact__label {
  display: block;
  margin-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--c-amber);
}

.page-privacy .pp-fact__value {
  display: block;
  color: var(--text-soft);
  font-size: .9375rem;
  line-height: 1.75;
}

/* ---------- 联系信息 ---------- */
.page-privacy .pp-contact {
  display: grid;
  gap: .6rem;
  margin: 1.35rem 0 1.1rem;
}

.page-privacy .pp-contact__row {
  display: grid;
  gap: .25rem;
  padding: .95rem 1.15rem;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--c-amber);
  border-radius: var(--radius-m);
  background: rgba(20, 23, 25, .85);
}

.page-privacy .pp-contact__k {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--c-mist);
}

.page-privacy .pp-contact__v {
  color: var(--c-paper);
  font-size: 1rem;
  line-height: 1.7;
  word-break: break-word;
}

/* ---------- 关联入口 ---------- */
.page-privacy .pp-cross-wrap {
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(20, 23, 25, .92), var(--c-abyss));
}

.page-privacy .pp-cross-title {
  margin: .5rem 0 0;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-paper);
}

.page-privacy .pp-cross {
  display: grid;
  gap: 1px;
  margin-top: 1.35rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--line-soft);
}

.page-privacy .pp-cross__link {
  display: block;
  padding: 1.2rem 1.3rem;
  background: var(--c-coal);
  text-decoration: none;
  transition: background-color .25s var(--ease);
}

.page-privacy .pp-cross__link:hover,
.page-privacy .pp-cross__link:focus-visible {
  background: var(--c-moss);
}

.page-privacy .pp-cross__t {
  display: block;
  font-family: var(--font-mono);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--c-amber);
}

.page-privacy .pp-cross__d {
  display: block;
  margin-top: .5rem;
  color: var(--text-dim);
  font-size: .8125rem;
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */
@media (min-width: 36rem) {
  .page-privacy .pp-chapter__body {
    padding-left: 2.25rem;
  }

  .page-privacy .pp-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pp-cross {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pp-contact__row {
    grid-template-columns: 9rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 48rem) {
  .page-privacy .pp-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pp-index {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    padding: 1.35rem 1.25rem 1.1rem;
    border-radius: var(--radius-organic);
  }

  .page-privacy .pp-index .index-rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pp-index .index-rail__list li + li {
    margin-top: .15rem;
  }

  .page-privacy .pp-index .index-rail__link {
    white-space: normal;
  }

  .page-privacy .pp-index .index-rail__link[aria-current="true"] {
    box-shadow: inset 2px 0 0 var(--c-cyan);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index .index-rail__link,
  .page-privacy .pp-cross__link {
    transition: none;
  }
}