/* ===== 隐私中心 · 条目编号式阅读 ===== */
.page-privacy {
  --pv-grid: rgba(27, 41, 80, .3);
  position: relative;
  padding-bottom: clamp(40px, 7vw, 88px);
  background-image:
    linear-gradient(var(--pv-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pv-grid) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
}

.page-privacy .pv-wrap {
  padding-top: clamp(16px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  display: grid;
  gap: clamp(22px, 3.5vw, 38px);
  margin-top: clamp(16px, 2.5vw, 28px);
}

.page-privacy .pv-hero__text {
  max-width: 48rem;
}

.page-privacy .pv-title {
  margin: 10px 0 0;
  font-family: var(--font-ui);
  font-weight: 800;
  font-stretch: 90%;
  font-size: clamp(38px, 7.4vw, 76px);
  line-height: .98;
  letter-spacing: -.03em;
  color: var(--text);
}

.page-privacy .pv-title::after {
  content: "";
  display: block;
  width: 84px;
  height: 2px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-privacy .pv-hero .lead {
  margin: 20px 0 0;
  max-width: 40em;
  color: var(--text-soft);
  line-height: 1.85;
}

.page-privacy .pv-hero__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero .frame {
  margin: 0;
}

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

/* ---------- 索引 + 正文两级布局 ---------- */
.page-privacy .pv-index {
  position: sticky;
  top: 58px;
  z-index: 4;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 10, 22, .96);
  padding-bottom: 10px;
  margin-top: clamp(24px, 4vw, 40px);
}

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

.page-privacy .pv-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}

.page-privacy .pv-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}

.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(38, 217, 232, .07);
}

.page-privacy .pv-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

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

/* ---------- 条目 ---------- */
.page-privacy .pv-body {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-privacy .pv-clause {
  position: relative;
  padding: clamp(26px, 4vw, 42px) 0 clamp(28px, 4vw, 46px) clamp(16px, 3vw, 28px);
  border-top: 1px solid var(--line);
  border-left: 2px solid transparent;
  scroll-margin-top: 108px;
  transition: border-left-color var(--t-fast), background-color var(--t-mid);
}

.page-privacy .pv-clause:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-clause--key {
  border-left-color: var(--cyan);
}

.page-privacy .pv-clause:target {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(38, 217, 232, .08), transparent 66%);
}

.page-privacy .pv-clause__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-privacy .pv-clause__title {
  margin: 10px 0 14px;
  font-size: clamp(21px, 3vw, 29px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.35;
  color: var(--text);
}

.page-privacy .pv-clause__text {
  margin: 0;
  max-width: 38em;
  color: var(--text-soft);
  line-height: 1.85;
}

.page-privacy .pv-clause__text--note {
  margin-top: 22px;
  color: var(--text-dim);
  font-size: 14px;
}

.page-privacy .pv-clause__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-clause__list li {
  position: relative;
  margin-top: 14px;
  padding-left: 20px;
  max-width: 40em;
  color: var(--text-dim);
  line-height: 1.85;
}

.page-privacy .pv-clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 1px;
  background: var(--line);
}

.page-privacy .pv-clause__list b {
  color: var(--text);
  font-weight: 600;
}

/* 用途四格 */
.page-privacy .pv-uses {
  display: grid;
  gap: 1px;
  margin-top: 24px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-privacy .pv-uses__item {
  background: var(--panel);
  padding: 18px 20px;
}

.page-privacy .pv-uses__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-privacy .pv-uses__t {
  margin: 10px 0 0;
  color: var(--text);
  font-weight: 600;
  font-size: 16px;
}

.page-privacy .pv-uses__d {
  margin: 6px 0 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
}

/* 强调条 */
.page-privacy .pv-emph {
  margin: 22px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--violet);
  background: linear-gradient(90deg, rgba(160, 92, 255, .1), transparent 72%);
  color: var(--text);
  line-height: 1.8;
}

/* 权利步骤 */
.page-privacy .pv-steps {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-steps li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid var(--line-soft);
  color: var(--text-dim);
  line-height: 1.85;
}

.page-privacy .pv-steps li:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-privacy .pv-steps__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber);
  padding-top: 5px;
}

/* 联系信息块 */
.page-privacy .pv-contact {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-privacy .pv-contact__cell {
  background: var(--panel);
  padding: 18px 20px;
}

.page-privacy .pv-contact__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-privacy .pv-contact__v {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text);
  word-break: break-word;
}

.page-privacy .pv-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 217, 232, .45);
  transition: border-color var(--t-fast), color var(--t-fast);
}

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

/* ---------- 收束信息带 ---------- */
.page-privacy .pv-band {
  display: grid;
  gap: 18px;
  margin-top: clamp(36px, 6vw, 72px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-privacy .pv-band__text {
  margin: 0;
  max-width: 46em;
  color: var(--text-soft);
  line-height: 1.8;
}

.page-privacy .pv-band__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-privacy .pv-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  transition: color var(--t-fast), border-color var(--t-fast);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-uses {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .pv-contact {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-layout {
    display: grid;
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
    margin-top: clamp(30px, 4.5vw, 52px);
  }

  .page-privacy .pv-index {
    position: sticky;
    top: 36px;
    z-index: 3;
    margin-top: 0;
    padding: 18px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
  }

  .page-privacy .pv-index__label {
    display: block;
    margin: 0 0 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .18em;
    color: var(--text-dim);
  }

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

  .page-privacy .pv-index__list li + li {
    margin-top: 6px;
  }

  .page-privacy .pv-index__link {
    display: flex;
    width: 100%;
    padding: 9px 10px;
    border-color: transparent;
    background: transparent;
    white-space: normal;
  }

  .page-privacy .pv-index__cta {
    display: inline-flex;
    width: 100%;
    justify-content: center;
    margin-top: 16px;
  }

  .page-privacy .pv-body {
    margin-top: 0;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-clause,
  .page-privacy .pv-index__link,
  .page-privacy .pv-top,
  .page-privacy .pv-inline-link {
    transition: none;
  }
}