.page-privacy {
  display: block;
  background: var(--ink-900);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  position: relative;
  padding-top: clamp(26px, 4vw, 48px);
}

.page-privacy .pv-hero__body {
  display: grid;
  gap: 14px;
}

.page-privacy .pv-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(42px, 9vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-privacy .pv-hero__lede {
  max-width: 48ch;
  margin: 0;
  color: var(--paper-72);
  font-size: 17px;
  line-height: 1.75;
}

.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero__meta li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  border: 1px solid var(--line);
  padding: 7px 13px;
  background: var(--ink-800);
}

.page-privacy .pv-hero__figure {
  position: relative;
  margin: clamp(28px, 4.5vw, 52px) 0 0;
}

.page-privacy .pv-hero__figure::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: min(38%, 420px);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 70%, transparent);
  z-index: 2;
}

.page-privacy .pv-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(180px, 30vw, 340px);
  object-fit: cover;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero__figure .media-frame__caption {
  display: block;
  padding: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 主体排版 ---------- */

.page-privacy .pv-layout {
  padding-top: clamp(38px, 6vw, 76px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-privacy .pv-doc p {
  max-width: 68ch;
  margin: 0 0 18px;
  color: var(--paper-72);
  font-size: 17px;
  line-height: 1.78;
}

.page-privacy .pv-doc p:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-doc a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-privacy .pv-doc a:hover,
.page-privacy .pv-doc a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan);
}

.page-privacy .pv-clause {
  padding: clamp(26px, 3.6vw, 42px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 110px;
}

.page-privacy .pv-clause:first-child {
  border-top-color: var(--line-strong);
  padding-top: 0;
}

.page-privacy .pv-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pv-clause__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-privacy .pv-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 27px);
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--paper);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-privacy .pv-list > li {
  position: relative;
  max-width: 68ch;
  padding-left: 24px;
  margin-bottom: 14px;
  color: var(--paper-72);
  font-size: 16.5px;
  line-height: 1.78;
}

.page-privacy .pv-list > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.82em;
  width: 8px;
  height: 1px;
  background: var(--mist);
}

.page-privacy .pv-list > li strong {
  color: var(--paper);
  font-weight: 700;
}

.page-privacy .pv-terms {
  margin: 0 0 22px;
  padding: 2px 0 2px 18px;
  border-left: 2px solid var(--teal-deep);
}

.page-privacy .pv-terms__row {
  display: grid;
  gap: 3px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .pv-terms__row:last-child {
  border-bottom: 0;
}

.page-privacy .pv-terms dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--cyan-soft);
}

.page-privacy .pv-terms dd {
  margin: 0;
  max-width: 60ch;
  color: var(--paper-72);
  font-size: 16.5px;
  line-height: 1.72;
}

.page-privacy .pv-actions {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--ink-800);
  border-left: 2px solid var(--orange);
}

.page-privacy .pv-actions__label {
  margin: 0 0 6px !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: 0.1em;
  color: var(--orange) !important;
}

.page-privacy .pv-actions p:last-child {
  margin-bottom: 0;
}

/* ---------- 章节索引 ---------- */

.page-privacy .pv-rail {
  margin-bottom: 34px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-rail .rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-privacy .pv-rail__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 5px 0 5px 10px;
  border-left: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-privacy .pv-rail__link:hover,
.page-privacy .pv-rail__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--line-strong);
}

.page-privacy .pv-rail__link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-privacy .pv-rail__link .rail__num {
  color: var(--violet);
  font-size: 12px;
}

.page-privacy .pv-rail__link[aria-current="true"] .rail__num {
  color: var(--cyan);
}

/* ---------- 底部联系条 ---------- */

.page-privacy .pv-contact {
  border-top: 1px solid var(--line-strong);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900) 82%);
  padding: clamp(38px, 5vw, 68px) 0;
}

.page-privacy .pv-contact__inner {
  display: grid;
  gap: 28px;
}

.page-privacy .pv-contact__title {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--paper);
}

.page-privacy .pv-contact__text {
  max-width: 52ch;
  margin: 0;
  color: var(--paper-56);
  font-size: 16px;
  line-height: 1.75;
}

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

.page-privacy .pv-contact__list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-privacy .pv-contact__val {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .pv-rail__list {
    grid-template-columns: 1fr 1fr;
    gap: 4px 20px;
  }

  .page-privacy .pv-terms__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-privacy .pv-contact__list li {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 226px;
    column-gap: clamp(48px, 6vw, 92px);
    align-items: start;
  }

  .page-privacy .pv-doc {
    grid-column: 1;
    grid-row: 1;
    max-width: 660px;
  }

  .page-privacy .pv-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 104px;
    margin-bottom: 0;
    padding: 0 0 0 20px;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .pv-rail__list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-privacy .pv-contact__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
    column-gap: clamp(40px, 6vw, 96px);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-doc a,
  .page-privacy .pv-rail__link {
    transition: none;
  }
}