.page-privacy {
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(1100px 560px at 84% -14%, rgba(47, 224, 210, 0.09), transparent 62%),
    radial-gradient(900px 520px at -10% 46%, rgba(255, 178, 63, 0.055), transparent 64%),
    linear-gradient(180deg, #06090F 0%, #090D15 46%, #06090F 100%);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 48, 68, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 48, 68, 0.55) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.26;
}

.page-privacy > * {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  padding-top: 44px;
  padding-bottom: 38px;
}

.page-privacy .pv-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-privacy .pv-title {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 6.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-privacy .pv-hero__lead .lede {
  margin: 0;
  max-width: 62ch;
}

/* ---------- 口径速览面板 ---------- */

.page-privacy .pv-aside {
  position: relative;
  padding: 26px 24px 22px;
  background: var(--layer);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-slab-cyan);
}

.page-privacy .pv-aside::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 82px;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--amber), var(--magenta));
}

.page-privacy .pv-aside__label {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
}

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

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

.page-privacy .pv-toc a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 2px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--fg);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pv-toc a:hover {
  color: var(--cyan);
  background: rgba(47, 224, 210, 0.06);
}

.page-privacy .pv-toc a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pv-toc__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .pv-toc__text {
  border-bottom: 1px solid transparent;
}

.page-privacy .pv-aside__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--data);
}

/* ---------- 顶部通栏图 ---------- */

.page-privacy .pv-band-wrap {
  padding-bottom: 6px;
}

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

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

.page-privacy .pv-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.84) contrast(1.06);
}

/* ---------- 长文主体 ---------- */

.page-privacy .pv-body {
  padding-bottom: 84px;
}

.page-privacy .pv-sec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-privacy .pv-rail {
  align-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  opacity: 0.9;
}

.page-privacy .pv-main {
  max-width: 68ch;
}

.page-privacy .pv-abstract {
  margin: 0 0 18px;
  padding: 9px 0 9px 14px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  color: var(--data);
}

.page-privacy .pv-h2 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.34;
  letter-spacing: 0.01em;
  color: var(--fg);
}

.page-privacy .pv-p {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--fg-dim);
}

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

.page-privacy .pv-p strong {
  color: var(--fg);
  font-weight: 500;
}

.page-privacy .pv-p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 210, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-p a:hover {
  color: #7ff0e6;
  border-bottom-color: var(--cyan);
}

.page-privacy .pv-p a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 条目列表 ---------- */

.page-privacy .pv-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
}

.page-privacy .pv-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 12px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .pv-list strong {
  color: var(--fg);
  font-weight: 500;
}

/* ---------- 保留期限刻度 ---------- */

.page-privacy .pv-scale {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 22px 0 20px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-scale__seg {
  display: block;
  padding: 16px 16px 18px;
  background: var(--layer);
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pv-scale__seg:hover {
  border-color: var(--cyan);
  background: #101a28;
}

.page-privacy .pv-scale__bar {
  display: block;
  height: 3px;
  margin-bottom: 14px;
  background: var(--cyan);
}

.page-privacy .pv-scale__seg--sum .pv-scale__bar {
  background: var(--magenta);
}

.page-privacy .pv-scale__seg--sum:hover {
  border-color: var(--magenta);
}

.page-privacy .pv-scale__range {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--fg);
}

.page-privacy .pv-scale__desc {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-privacy .pv-note {
  margin: 0 0 16px;
  padding: 16px 18px;
  background: var(--relay);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-dim);
}

/* ---------- 可调整项折叠 ---------- */

.page-privacy .pv-items {
  margin: 18px 0 18px;
}

.page-privacy .pv-item {
  background: var(--layer);
  border: 1px solid var(--line);
  margin-bottom: 10px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pv-item:hover,
.page-privacy .pv-item[open] {
  border-color: rgba(47, 224, 210, 0.52);
}

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

.page-privacy .pv-item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--fg);
}

.page-privacy .pv-item summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .pv-item[open] summary::after {
  content: "–";
}

.page-privacy .pv-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-privacy .pv-item__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--data);
}

.page-privacy .pv-item__body {
  margin: 0;
  padding: 0 18px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
}

/* ---------- 联络信息 ---------- */

.page-privacy .pv-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 20px 0 0;
}

.page-privacy .pv-contact__box {
  padding: 18px;
  background: var(--layer);
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .pv-contact__box:hover {
  border-color: rgba(255, 178, 63, 0.5);
}

.page-privacy .pv-contact__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
}

.page-privacy .pv-contact__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--amber);
  word-break: break-all;
}

.page-privacy .pv-contact__value--plain {
  display: block;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg);
  word-break: break-word;
}

.page-privacy .pv-footnote {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--fg-dim);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .pv-scale {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-privacy .pv-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-privacy .pv-hero {
    padding-top: 56px;
    padding-bottom: 46px;
  }

  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .pv-sec {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 0 44px;
    padding: 56px 0 52px;
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: calc(var(--head-h) + 28px);
    padding-top: 6px;
  }
}

@media (min-width: 1040px) {
  .page-privacy .pv-scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc a,
  .page-privacy .pv-p a,
  .page-privacy .pv-scale__seg,
  .page-privacy .pv-item,
  .page-privacy .pv-contact__box {
    transition: none;
  }
}