.page-privacy {
  --pp-measure: 68ch;
  --pp-rule: rgba(79, 195, 247, .14);
  --pp-index-w: 232px;
  background: var(--ink);
  color: var(--body-text);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏标题区 ---------- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--stand);
}

.page-privacy .pp-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: .34;
}

.page-privacy .pp-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(10, 14, 18, .58) 0%, rgba(10, 14, 18, .88) 62%, var(--ink) 100%),
    radial-gradient(90% 70% at 18% 8%, rgba(201, 255, 61, .10), transparent 62%);
}

.page-privacy .pp-hero__inner {
  padding-block: clamp(28px, 5vw, 52px) clamp(34px, 6vw, 68px);
}

.page-privacy .pp-hero__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 9vw, 92px);
  line-height: .96;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-privacy .pp-hero__lede {
  max-width: 58ch;
  margin-top: 18px;
  color: var(--body-text);
}

.page-privacy .pp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--line);
  list-style: none;
}

.page-privacy .pp-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy .pp-meta__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mute);
}

.page-privacy .pp-meta__val {
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 索引 + 正文 双栏 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  padding-top: clamp(32px, 5vw, 64px);
}

@media (min-width: 960px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-index-w) minmax(0, 1fr);
    align-items: start;
  }
}

.page-privacy .pp-index {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  min-width: 0;
}

.page-privacy .pp-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-privacy .pp-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pp-index__list li {
  margin: 0;
}

.page-privacy .pp-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 2px solid var(--pp-rule);
  color: var(--mute);
  font-size: 15px;
  line-height: 1.4;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-privacy .pp-index__list a:hover,
.page-privacy .pp-index__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--neon);
  background: rgba(201, 255, 61, .06);
}

.page-privacy .pp-index__list a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-privacy .pp-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ember);
}

@media (min-width: 960px) {
  .page-privacy .pp-index {
    position: sticky;
    top: 128px;
  }
}

@media (max-width: 959px) {
  .page-privacy .pp-index__list {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .page-privacy .pp-index__list li {
    flex: 0 0 auto;
  }

  .page-privacy .pp-index__list a {
    border-left: none;
    border-bottom: 2px solid var(--pp-rule);
    white-space: nowrap;
    padding: 8px 10px;
  }
}

/* ---------- 条款正文 ---------- */
.page-privacy .pp-doc {
  min-width: 0;
}

.page-privacy .pp-section {
  position: relative;
  padding: clamp(26px, 4vw, 40px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 132px;
}

.page-privacy .pp-section:first-of-type {
  border-top-color: var(--line);
}

.page-privacy .pp-section:target {
  border-top-color: var(--neon);
}

.page-privacy .pp-head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
}

.page-privacy .pp-no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--ember);
  transition: color .2s ease;
}

.page-privacy .pp-section:target .pp-no {
  color: var(--neon);
}

.page-privacy .pp-head h2 {
  margin: 0;
  color: var(--paper);
}

.page-privacy .pp-body {
  margin-top: clamp(14px, 2vw, 22px);
}

.page-privacy .pp-body p {
  max-width: var(--pp-measure);
  margin: 0 0 1.1em;
  font-size: 17px;
  line-height: 1.78;
  color: var(--body-text);
}

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

.page-privacy .pp-body a {
  color: var(--data);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .pp-body a:hover {
  color: var(--neon);
}

.page-privacy .pp-list {
  list-style: none;
  max-width: var(--pp-measure);
  margin: 0 0 1.1em;
  padding: 0;
}

.page-privacy .pp-list li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-bottom: 1px dashed var(--pp-rule);
  font-size: 17px;
  line-height: 1.75;
  color: var(--body-text);
}

.page-privacy .pp-list li:first-child {
  border-top: 1px dashed var(--pp-rule);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.42em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 0 3px rgba(243, 233, 210, .08);
}

.page-privacy .pp-list strong {
  color: var(--neon);
  font-weight: 700;
}

/* ---------- 相关说明 ---------- */
.page-privacy .pp-aside {
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(18px, 3vw, 26px);
  max-width: 62ch;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ember);
  background: linear-gradient(180deg, rgba(30, 42, 51, .72), rgba(18, 26, 34, .5));
}

.page-privacy .pp-aside .tag-paper {
  display: inline-block;
  margin-bottom: 12px;
}

.page-privacy .pp-aside p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--body-text);
}

.page-privacy .pp-aside a {
  color: var(--data);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .pp-aside a:hover {
  color: var(--neon);
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 600px) {
  .page-privacy .pp-hero__title {
    font-size: clamp(34px, 12vw, 52px);
  }

  .page-privacy .pp-meta {
    gap: 8px 16px;
  }

  .page-privacy .pp-body p,
  .page-privacy .pp-list li {
    font-size: 16px;
  }

  .page-privacy .pp-list li {
    padding-left: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index__list a,
  .page-privacy .pp-no {
    transition: none;
  }
}