/* ================= 数据保护页 ================= */
.page-privacy {
  --pv-rail-w: 92px;
  --pv-read-max: 900px;
  background: var(--ink);
  color: var(--silver);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: 26px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 95% at 88% -12%, rgba(53, 218, 209, 0.07), transparent 62%),
    radial-gradient(95% 75% at 6% 0%, rgba(232, 178, 58, 0.06), transparent 58%);
}

.page-privacy .pv-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-privacy .pv-hero__grid {
  display: grid;
  gap: 32px;
  align-items: end;
}

.page-privacy .pv-hero__kicker {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-privacy .pv-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 5.4vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-privacy .pv-hero__lede {
  margin: 0;
  max-width: 54ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--fog);
}

.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--fog-dim);
}

.page-privacy .pv-media {
  position: relative;
  display: block;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-privacy .pv-media::after {
  content: "";
  position: absolute;
  inset: 10px;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(53, 218, 209, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(53, 218, 209, 0.12) 1px, transparent 1px);
  background-size: 40px 40px;
}

.page-privacy .pv-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 条款目录 ---------- */
.page-privacy .pv-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 12, 15, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-privacy .pv-toc__list {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pv-toc__item {
  flex: 0 0 auto;
}

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 16px 13px;
  font-size: var(--fs-14);
  line-height: 1;
  white-space: nowrap;
  color: var(--fog);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--cyan);
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--fog-dim);
  transition: color 0.18s ease;
}

.page-privacy .pv-toc__link.is-active,
.page-privacy .pv-toc__link[aria-current="true"] {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-privacy .pv-toc__link.is-active .pv-toc__num,
.page-privacy .pv-toc__link[aria-current="true"] .pv-toc__num {
  color: var(--gold);
}

/* ---------- 阅读区 ---------- */
.page-privacy .pv-doc {
  position: relative;
  padding: 0 0 88px;
}

.page-privacy .pv-doc::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
}

.page-privacy .pv-read {
  position: relative;
  max-width: var(--pv-read-max);
  margin: 0 auto;
}

/* ---------- 条款章节 ---------- */
.page-privacy .pv-clause {
  display: grid;
  gap: 10px;
  padding: 44px 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 74px);
}

.page-privacy .pv-read > .pv-clause:first-child {
  border-top: 0;
}

.page-privacy .pv-clause__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-privacy .pv-clause__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 28px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: #ffffff;
}

.page-privacy .pv-clause__lede {
  margin: 0 0 20px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--fog);
}

.page-privacy .pv-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-privacy .pv-list > li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--silver);
}

.page-privacy .pv-list > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-privacy .pv-list strong {
  color: #ffffff;
  font-weight: 600;
}

.page-privacy .pv-note {
  margin: 22px 0 0;
  padding: 16px 20px;
  background: var(--graphite);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--fog);
}

/* ---------- 展开条目 ---------- */
.page-privacy .pv-acc {
  margin-top: 4px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-acc .accordion__item {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-acc__title {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-privacy .pv-acc .accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  background: none;
  border: 0;
  color: var(--silver);
  font-family: var(--font-head);
  font-size: var(--fs-16);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color 0.18s ease;
}

.page-privacy .pv-acc .accordion__trigger:hover,
.page-privacy .pv-acc .accordion__trigger:focus-visible {
  color: var(--cyan);
}

.page-privacy .pv-acc .accordion__trigger::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1;
  color: var(--gold);
}

.page-privacy .pv-acc .accordion__trigger[aria-expanded="true"]::after {
  content: "−";
}

.page-privacy .pv-acc .accordion__panel {
  padding: 0 4px 22px;
}

.page-privacy .pv-acc .accordion__panel p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 联系方式 ---------- */
.page-privacy .pv-contact {
  display: grid;
  gap: 0;
  margin-top: 2px;
}

.page-privacy .pv-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-contact__label {
  flex: 0 0 84px;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--fog-dim);
}

.page-privacy .pv-contact__value {
  font-size: var(--fs-16);
  color: var(--silver);
  word-break: break-word;
}

.page-privacy .pv-contact__value.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 延伸阅读 ---------- */
.page-privacy .pv-more {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-more__label {
  margin: 0 0 16px;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-privacy .pv-more__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-more__link {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 6px;
  font-size: var(--fs-16);
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-privacy .pv-more__desc {
  font-size: var(--fs-14);
  color: var(--fog-dim);
}

/* ---------- 断点 ---------- */
@media (min-width: 840px) {
  .page-privacy .pv-clause {
    grid-template-columns: var(--pv-rail-w) minmax(0, 1fr);
    column-gap: 32px;
    row-gap: 0;
    padding: 56px 0;
  }

  .page-privacy .pv-clause__num {
    padding-top: 7px;
  }

  .page-privacy .pv-contact__row {
    padding: 16px 0;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-hero {
    padding: 32px 0 68px;
  }

  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 56px;
  }
}

@media (max-width: 560px) {
  .page-privacy .pv-hero__meta {
    gap: 6px 16px;
  }

  .page-privacy .pv-note {
    padding: 14px 16px;
  }

  .page-privacy .pv-contact__label {
    flex: 0 0 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-acc .accordion__trigger,
  .page-privacy .pv-more__link {
    transition: none;
  }
}