.page-privacy {
  --pv-measure: 68ch;
  background: var(--void);
  color: var(--silver);
}

/* ---------- 页首 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: clamp(26px, 4.6vw, 52px) 0 clamp(34px, 5.5vw, 60px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(90% 70% at 8% 0%, rgba(43, 233, 224, 0.13), transparent 62%),
    radial-gradient(80% 60% at 94% 14%, rgba(255, 106, 43, 0.13), transparent 66%),
    linear-gradient(20deg, #05070E 0%, #0B1220 64%, #05070E 100%);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 43, 63, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 43, 63, 0.55) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  pointer-events: none;
  opacity: 0.35;
}

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

.page-privacy .breadcrumb {
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--index);
}

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

.page-privacy .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-privacy .breadcrumb a {
  color: var(--index);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

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

.page-privacy .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pv-title {
  margin: 10px 0 clamp(16px, 2.4vw, 22px);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(46px, 11vw, 104px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.page-privacy .pv-lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

.page-privacy .pv-hero-art {
  position: relative;
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
  aspect-ratio: 2 / 1;
  background: var(--panel);
}

.page-privacy .pv-hero-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-privacy .pv-hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(20deg, rgba(5, 7, 14, 0.94) 0%, rgba(5, 7, 14, 0.12) 58%, rgba(5, 7, 14, 0.78) 100%);
  pointer-events: none;
}

/* ---------- 版式骨架 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
  padding: clamp(34px, 5vw, 56px) 0 clamp(56px, 8vw, 92px);
}

/* ---------- 目录 ---------- */
.page-privacy .pv-toc {
  align-self: start;
  padding-bottom: 4px;
}

.page-privacy .pv-toc-head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--index);
}

.page-privacy .pv-toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--index);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-privacy .pv-toc-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  color: var(--silver);
  border-left-color: var(--cyan);
}

/* ---------- 正文区 ---------- */
.page-privacy .pv-articles {
  max-width: var(--pv-measure);
}

.page-privacy .pv-sec {
  padding: clamp(24px, 3.4vw, 34px) 0 clamp(28px, 4vw, 42px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 32px;
}

.page-privacy .pv-sec:first-child {
  border-top-color: var(--cyan);
}

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

.page-privacy .pv-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}

.page-privacy .pv-sec-head .panel-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-privacy .pv-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(23px, 3.6vw, 32px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: #FFFFFF;
}

.page-privacy .pv-sketch {
  margin: 0 0 20px;
  padding-left: 12px;
  border-left: 2px solid rgba(43, 233, 224, 0.45);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  color: var(--cyan-mist);
}

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

.page-privacy .pv-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.page-privacy .pv-key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--lava);
}

.page-privacy .pv-val {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-privacy .pv-prose p {
  margin: 0 0 16px;
  max-width: var(--pv-measure);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--silver);
}

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

/* ---------- 折叠细节 ---------- */
.page-privacy .pv-details {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 0 0 6px 0;
}

.page-privacy .pv-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--cyan-mist);
  cursor: pointer;
  list-style: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

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

.page-privacy .pv-details summary::after {
  content: "+";
  flex: none;
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

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

.page-privacy .pv-details summary:hover,
.page-privacy .pv-details summary:focus-visible {
  background: var(--panel-2);
  color: #FFFFFF;
}

.page-privacy .pv-details-body {
  padding: 0 16px 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
  opacity: 0.84;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

/* ---------- 行内提示 ---------- */
.page-privacy .pv-inline-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--lava);
  background: var(--panel);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-privacy .pv-inline-note a,
.page-privacy .pv-contact-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 233, 224, 0.4);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

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

/* ---------- 联系块 ---------- */
.page-privacy .pv-contact {
  margin-top: 4px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  background:
    linear-gradient(20deg, rgba(43, 233, 224, 0.07) 0%, rgba(255, 106, 43, 0.07) 100%),
    var(--panel);
}

.page-privacy .pv-contact-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--index);
}

.page-privacy .pv-contact-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin: 0 0 14px;
}

.page-privacy .pv-mail-text {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 20px);
  letter-spacing: 0.01em;
  color: #FFFFFF;
  word-break: break-all;
}

.page-privacy .pv-contact-note {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--index);
}

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .page-privacy .pv-hero-art {
    aspect-ratio: 4 / 3;
  }

  .page-privacy .pv-toc-list {
    gap: 6px 12px;
  }

  .page-privacy .pv-toc-list a {
    padding: 6px 10px;
    border-left: none;
    border: 1px solid var(--line);
    background: var(--panel);
    font-size: 13px;
  }

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

  .page-privacy .pv-sec-head {
    gap: 10px;
  }

  .page-privacy .pv-contact-mail {
    gap: 10px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-list li {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .pv-key {
    text-align: right;
  }
}

@media (min-width: 1024px) {
  .page-privacy .pv-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 68px);
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 36px;
    padding-left: 0;
  }

  .page-privacy .pv-toc-head {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
  }

  .page-privacy .pv-toc-list {
    display: block;
    gap: 0;
    margin-top: 4px;
  }

  .page-privacy .pv-toc-list li {
    margin-bottom: 2px;
  }

  .page-privacy .pv-toc-list a {
    display: flex;
    width: 100%;
    padding: 8px 0 8px 14px;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
  }

  .page-privacy .pv-toc-list a:hover,
  .page-privacy .pv-toc-list a:focus-visible {
    background: rgba(43, 233, 224, 0.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc-list a,
  .page-privacy .pv-details summary,
  .page-privacy .breadcrumb a,
  .page-privacy .pv-inline-note a,
  .page-privacy .pv-contact-note a {
    transition: none;
  }
}