.page-privacy {
  --pv-measure: 34em;
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
}

/* ---------- 页首 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 5vw, 56px) clamp(36px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 36, 51, 0.9) 0%, rgba(6, 19, 31, 1) 88%);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(232, 241, 245, 0.06) 1px, transparent 1px),
    linear-gradient(0deg, rgba(232, 241, 245, 0.05) 1px, transparent 1px);
  background-size: 88px 88px, 88px 88px;
  -webkit-mask-image: radial-gradient(130% 100% at 82% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(130% 100% at 82% 0%, #000 0%, transparent 74%);
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 36px);
  margin-top: clamp(22px, 3.5vw, 36px);
}

.page-privacy h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(40px, 10vw, 88px);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--fog);
}

.page-privacy .pv-hero__lede {
  max-width: var(--pv-measure);
  margin: clamp(16px, 2.5vw, 24px) 0 0;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.8;
  color: var(--fog);
}

.page-privacy .pv-hero__stamp {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--whistle);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--mute);
}

.page-privacy .pv-hero__figure {
  margin: 0;
}

.page-privacy .figure__media {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--panel);
}

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

.page-privacy .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mute);
}

.page-privacy .figure__num {
  margin-right: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 摘要纸签 ---------- */
.page-privacy .pv-summary {
  position: relative;
  margin-top: clamp(28px, 4vw, 48px);
  max-width: 820px;
  padding: clamp(20px, 3.5vw, 32px) clamp(20px, 3.5vw, 36px);
  background: var(--paper);
  color: var(--ink);
  border-left: 6px solid var(--whistle);
  box-shadow: 10px 10px 0 rgba(242, 235, 221, 0.13);
}

.page-privacy .pv-summary__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--ink);
}

.page-privacy .pv-summary__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-summary__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
}

.page-privacy .pv-summary__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--whistle);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  padding-block: clamp(32px, 5vw, 64px) clamp(48px, 7vw, 96px);
}

/* ---------- 章节索引 ---------- */
.page-privacy .pv-index__label {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-privacy .pv-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pv-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  white-space: nowrap;
  font-size: 13px;
  color: var(--mute);
  text-decoration: none;
  transition: border-color var(--step) ease, color var(--step) ease, background-color var(--step) ease;
}

.page-privacy .pv-index__list a span {
  font-family: var(--font-display);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--whistle);
}

.page-privacy .pv-index__list a:hover,
.page-privacy .pv-index__list a:focus-visible {
  border-color: var(--lime);
  color: var(--fog);
  background: rgba(184, 255, 61, 0.07);
  outline: none;
}

/* ---------- 条款 ---------- */
.page-privacy .pv-clauses {
  min-width: 0;
}

.page-privacy .clause {
  margin-bottom: clamp(26px, 4vw, 44px);
  padding-top: clamp(16px, 2.5vw, 24px);
  border-top: 1px solid var(--line-strong);
  scroll-margin-top: 96px;
}

.page-privacy .clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 4px 0;
  list-style: none;
  cursor: pointer;
}

.page-privacy .clause__head::-webkit-details-marker {
  display: none;
}

.page-privacy .clause__head::after {
  content: "＋";
  margin-left: auto;
  font-size: 18px;
  color: var(--mute);
}

.page-privacy .clause[open] .clause__head::after {
  content: "－";
}

.page-privacy .clause__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-privacy .clause__num {
  margin-right: 12px;
  font-family: var(--font-display);
  font-size: 1.15em;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--whistle);
}

.page-privacy .clause__body {
  padding-top: 12px;
}

.page-privacy .clause__body > p {
  max-width: var(--pv-measure);
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--fog);
}

.page-privacy .clause__list {
  margin: 0;
  padding: 0;
}

.page-privacy .clause__item {
  max-width: var(--pv-measure);
  margin-bottom: 14px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.page-privacy .clause__item dt {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-privacy .clause__item dd {
  margin: 4px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 241, 245, 0.86);
}

.page-privacy .pv-contact {
  max-width: var(--pv-measure);
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--panel);
  border-left: 3px solid var(--lime);
  font-size: 16px;
  line-height: 1.8;
  color: var(--fog);
}

.page-privacy .pv-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 224, 200, 0.5);
  transition: border-color var(--step) ease, color var(--step) ease;
}

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

/* ---------- 相关页面 ---------- */
.page-privacy .pv-links {
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(20px, 3vw, 28px) clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--violet);
  background: linear-gradient(160deg, rgba(124, 92, 255, 0.1), transparent 70%);
}

.page-privacy .pv-links__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--mute);
}

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

.page-privacy .pv-links__list li + li {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-links__list a {
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size var(--step) ease, color var(--step) ease;
}

.page-privacy .pv-links__list a:hover,
.page-privacy .pv-links__list a:focus-visible {
  background-size: 100% 1px;
  color: var(--cyan);
}

.page-privacy .pv-links__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-privacy .pv-summary__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-privacy .pv-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy .pv-index__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-privacy .pv-index__list a {
    padding: 7px 10px 7px 0;
    border: 0;
    border-left: 2px solid transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .pv-index__list a:hover,
  .page-privacy .pv-index__list a:focus-visible {
    border-left-color: var(--lime);
    background: transparent;
    padding-left: 10px;
  }

  .page-privacy .clause__head {
    cursor: default;
    pointer-events: none;
  }

  .page-privacy .clause__head::after {
    display: none;
  }

  .page-privacy .clause:not([open]) .clause__body {
    display: block;
  }
}

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