.page-privacy {
  --pv-rail: 250px;
  --pv-gap: clamp(2rem, 4.5vw, 4.5rem);
  --pv-hairline: rgba(62, 92, 82, 0.55);
  display: block;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-privacy img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: 1.75rem 0 clamp(2.5rem, 5vw, 4rem);
  background:
    linear-gradient(166deg, var(--ink-800) 0%, rgba(6, 19, 15, 0.92) 46%, var(--ink-900) 100%),
    radial-gradient(120% 80% at 88% 0%, rgba(43, 227, 192, 0.12) 0%, rgba(6, 19, 15, 0) 62%);
  border-bottom: 1px solid var(--pv-hairline);
}

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

.page-privacy .pv-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.75rem);
  grid-template-columns: minmax(0, 1fr);
  margin-top: 1.5rem;
}

.page-privacy .pv-hero-copy h1 {
  font-family: var(--font-head);
  font-size: var(--step-40);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0.6rem 0 0;
  max-width: 22ch;
}

.page-privacy .pv-lead {
  margin-top: 1.1rem;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.9;
}

.page-privacy .pv-hero-meta {
  margin-top: 1rem;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .pv-hero-card {
  align-self: start;
  padding: 1.15rem 1.25rem 1.3rem;
  background: var(--ink-800);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  box-shadow: var(--shadow-deep);
}

.page-privacy .pv-card-label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0 0 0.85rem;
}

.page-privacy .pv-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-privacy .pv-card-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--pv-hairline);
}

.page-privacy .pv-card-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pv-card-key {
  font-size: 0.8125rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-privacy .pv-card-val {
  font-size: 0.875rem;
  color: var(--paper);
  text-align: right;
}

.page-privacy .pv-hero-media {
  margin: clamp(1.75rem, 3.5vw, 2.75rem) 0 0;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pv-body {
  padding: clamp(2.25rem, 5vw, 4rem) 0 clamp(3rem, 6vw, 5rem);
  background:
    linear-gradient(184deg, var(--ink-900) 0%, var(--ink-800) 34%, var(--ink-900) 100%);
}

.page-privacy .pv-body-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pv-gap);
  align-items: start;
}

.page-privacy .pv-main {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-privacy .pv-sec {
  padding-top: 1.5rem;
}

.page-privacy .pv-sec + .pv-sec {
  margin-top: clamp(2.25rem, 4vw, 3.5rem);
  border-top: 1px solid var(--pv-hairline);
}

.page-privacy .pv-sec--shade {
  background: linear-gradient(172deg, rgba(18, 50, 42, 0.72) 0%, rgba(12, 33, 25, 0.5) 100%);
  border-top: 1px solid var(--pv-hairline);
  border-bottom: 1px solid var(--pv-hairline);
  padding: 1.75rem clamp(1rem, 2.5vw, 1.85rem) 2rem;
  margin-left: calc(-1 * clamp(1rem, 2.5vw, 1.85rem));
  margin-right: calc(-1 * clamp(1rem, 2.5vw, 1.85rem));
}

.page-privacy .pv-sec-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.1rem;
}

.page-privacy .pv-sec-head::before {
  content: "";
  flex: 0 0 auto;
  width: 0.6rem;
  height: 0.6rem;
  align-self: center;
  background: var(--cyan);
  transform: skewX(-12deg);
}

.page-privacy .pv-sec-head::after {
  content: "";
  flex: 1 1 3rem;
  min-width: 1.5rem;
  height: 1px;
  align-self: center;
  background: linear-gradient(90deg, var(--line) 0%, rgba(62, 92, 82, 0) 100%);
}

.page-privacy .pv-num {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--cyan-soft);
}

.page-privacy .pv-sec-title {
  font-family: var(--font-head);
  font-size: var(--step-28);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--paper);
}

.page-privacy .pv-sec .prose {
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  margin: 0 0 1rem;
  color: var(--paper);
  opacity: 0.88;
}

.page-privacy .pv-sec .pv-note {
  margin-top: 1.35rem;
  padding-left: 1rem;
  border-left: 2px solid var(--line);
  font-size: 0.9375rem;
  opacity: 0.78;
}

/* ---------- 条目组 ---------- */
.page-privacy .pv-items {
  margin: 0.25rem 0 0;
}

.page-privacy .pv-item {
  padding: 1rem 0 1.05rem;
  border-top: 1px solid var(--pv-hairline);
}

.page-privacy .pv-item:last-child {
  border-bottom: 1px solid var(--pv-hairline);
}

.page-privacy .pv-item-title {
  font-family: var(--font-head);
  font-size: var(--step-20);
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 0.45rem;
  color: var(--cyan-soft);
}

.page-privacy .pv-item p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.85;
}

/* ---------- 期限列表 ---------- */
.page-privacy .pv-terms {
  list-style: none;
  margin: 0.25rem 0 0;
  padding: 0;
}

.page-privacy .pv-terms li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.25rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--pv-hairline);
}

.page-privacy .pv-terms li:last-child {
  border-bottom: 1px solid var(--pv-hairline);
}

.page-privacy .pv-terms-key {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .pv-terms-val {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.86;
}

/* ---------- 折叠区 ---------- */
.page-privacy .pv-details {
  margin-top: 1.35rem;
  border: 1px solid var(--pv-hairline);
  border-radius: var(--radius);
  background: rgba(6, 19, 15, 0.45);
}

.page-privacy .pv-details summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.9rem 1.05rem;
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--cyan-soft);
}

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

.page-privacy .pv-details summary::before {
  content: "";
  flex: 0 0 auto;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg) translateY(-2px);
  transition: transform 0.25s var(--ease);
}

.page-privacy .pv-details[open] summary::before {
  transform: rotate(45deg) translateX(-2px);
}

.page-privacy .pv-details-body {
  padding: 0 1.05rem 1.15rem;
  border-top: 1px solid var(--pv-hairline);
}

.page-privacy .pv-details-body p {
  margin: 0.9rem 0 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.82;
}

/* ---------- 联系区块 ---------- */
.page-privacy .pv-contact-box {
  margin: 0.5rem 0 1.35rem;
  padding: 1.15rem 1.25rem 1.3rem;
  background: var(--ink-700);
  border-left: 2px solid var(--orange);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-privacy .pv-contact-label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin: 0 0 0.4rem;
}

.page-privacy .pv-contact-value {
  margin: 0 0 0.95rem;
  font-size: 1rem;
  color: var(--paper);
  word-break: break-all;
}

.page-privacy .pv-contact-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-privacy .pv-copy-status {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
  min-height: 1em;
}

.page-privacy .pv-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 192, 0.4);
  padding-bottom: 1px;
}

.page-privacy .pv-inline-link:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 文末动作 ---------- */
.page-privacy .pv-foot-actions {
  margin-top: clamp(2.25rem, 4vw, 3rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--pv-hairline);
}

/* ---------- 侧轨索引 ---------- */
.page-privacy .pv-rail {
  order: -1;
  padding: 1.15rem 1.25rem 1.3rem;
  background: rgba(12, 33, 25, 0.7);
  border-top: 1px solid var(--pv-hairline);
}

.page-privacy .pv-rail-title {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0 0 0.85rem;
}

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

.page-privacy .pv-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.45rem 0 0.45rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

.page-privacy .pv-toc-num {
  font-size: 0.75rem;
  color: var(--line);
  letter-spacing: 0.08em;
}

.page-privacy .pv-rail-note {
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--pv-hairline);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 599px) {
  .page-privacy .pv-hero-copy h1 {
    font-size: clamp(1.75rem, 8vw, 2.125rem);
  }

  .page-privacy .pv-card-list li {
    flex-direction: column;
    gap: 0.2rem;
  }

  .page-privacy .pv-card-val {
    text-align: left;
  }

  .page-privacy .pv-sec--shade {
    padding-left: 0.95rem;
    padding-right: 0.95rem;
    margin-left: -0.95rem;
    margin-right: -0.95rem;
  }
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 1000px) {
  .page-privacy .pv-hero {
    padding-top: 2.5rem;
  }

  .page-privacy .pv-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }

  .page-privacy .pv-body-grid {
    grid-template-columns: minmax(0, 1fr) var(--pv-rail);
    gap: clamp(2.5rem, 4vw, 4rem);
  }

  .page-privacy .pv-main {
    max-width: 46rem;
  }

  .page-privacy .pv-terms li {
    grid-template-columns: 10.5rem minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }

  .page-privacy .pv-rail {
    order: 0;
    position: sticky;
    top: calc(var(--bar-h) + 1.5rem);
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-details summary::before {
    transition: none;
  }
}