.page-privacy {
  --pv-text: #C3CFE2;
  --pv-rail: 220px;
  --pv-gap: 52px;
  position: relative;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 面包屑 */
.page-privacy .pv-crumb {
  padding-top: clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-privacy .pv-crumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
}
.page-privacy .pv-crumb a:hover {
  border-bottom-color: var(--cyan);
}
.page-privacy .pv-crumb span[aria-hidden] {
  margin: 0 8px;
  color: var(--line);
}

/* 首屏 */
.page-privacy .pv-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding: clamp(26px, 5vw, 52px) 0 clamp(34px, 6vw, 64px);
  background:
    radial-gradient(760px 380px at 88% -20%, rgba(0, 229, 255, 0.13), transparent 62%),
    radial-gradient(620px 320px at 4% 108%, rgba(255, 107, 26, 0.15), transparent 66%);
}
.page-privacy .pv-hero-grid {
  display: grid;
  gap: clamp(26px, 5vw, 44px);
  align-items: center;
}
.page-privacy .pv-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 64px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  color: var(--paper);
  margin: 0.3em 0 0.5em;
  max-width: 15ch;
}
.page-privacy .pv-lede {
  max-width: 58ch;
  color: var(--pv-text);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  margin: 0;
}
.page-privacy .pv-meta {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-left: 2px solid var(--orange);
  padding-left: 12px;
}
.page-privacy .pv-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-privacy .pv-hero-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-1);
  overflow: hidden;
}
.page-privacy .pv-hero-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan) 55%, rgba(0, 229, 255, 0));
}
.page-privacy .pv-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-privacy .pv-hero-media figcaption {
  position: absolute;
  left: 0;
  top: 0;
  padding: 8px 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--paper);
  background: rgba(11, 18, 32, 0.82);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* 正文两栏 */
.page-privacy .pv-body {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  padding-top: clamp(34px, 6vw, 68px);
}

/* 目录 */
.page-privacy .pv-toc {
  border-top: 2px solid var(--orange);
  padding-top: 14px;
}
.page-privacy .pv-toc-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.page-privacy .pv-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .pv-toc a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}
.page-privacy .pv-toc a:hover,
.page-privacy .pv-toc a:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}
.page-privacy .pv-toc-num {
  font-size: 12px;
  color: var(--orange);
  flex: 0 0 auto;
}
.page-privacy .pv-toc-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}
.page-privacy .pv-toc-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
}

/* 条款 */
.page-privacy .pv-section {
  padding-bottom: clamp(30px, 4vw, 46px);
  margin-bottom: clamp(30px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 96px;
}
.page-privacy .pv-section:last-of-type {
  border-bottom: 0;
}
.page-privacy .pv-sec-head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin-bottom: 16px;
}
.page-privacy .pv-sec-num {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
  flex: 0 0 auto;
  padding-top: 4px;
}
.page-privacy .pv-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 4vw, 32px);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--paper);
}
.page-privacy .pv-section h3.pv-sub {
  margin: 30px 0 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}
.page-privacy .pv-section p {
  max-width: 66ch;
  margin: 0 0 14px;
  color: var(--pv-text);
  font-size: 15.5px;
  line-height: 1.85;
}
.page-privacy .pv-section p:last-child {
  margin-bottom: 0;
}

/* 条款列表 */
.page-privacy .pv-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 70ch;
}
.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  color: var(--pv-text);
  font-size: 15px;
  line-height: 1.8;
}
.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--orange);
}
.page-privacy .pv-list--cyan li::before {
  background: var(--cyan);
}
.page-privacy .pv-list strong {
  color: var(--paper);
  font-weight: 600;
}
.page-privacy .pv-list a,
.page-privacy .pv-section p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
}

/* 折叠条款 */
.page-privacy .pv-fold {
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--ink-1);
  max-width: 70ch;
}
.page-privacy .pv-fold summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}
.page-privacy .pv-fold summary::-webkit-details-marker {
  display: none;
}
.page-privacy .pv-fold summary::after {
  content: "+";
  color: var(--orange);
  font-weight: 700;
}
.page-privacy .pv-fold[open] summary::after {
  content: "−";
}
.page-privacy .pv-fold summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-privacy .pv-fold-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
}
.page-privacy .pv-fold-body p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}
.page-privacy .pv-fold-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
}

/* 联系区块 */
.page-privacy .pv-contact {
  margin-top: 26px;
  border-left: 2px solid var(--orange);
  background: var(--ink-1);
  padding: 18px 18px 20px;
  max-width: 70ch;
}
.page-privacy .pv-contact-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}
.page-privacy .pv-contact-value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
  max-width: none;
}
.page-privacy .pv-contact-value .mono {
  font-size: clamp(14px, 3.4vw, 17px);
  color: var(--paper);
  word-break: break-all;
}
.page-privacy .pv-contact .copy-btn {
  flex: 0 0 auto;
}
.page-privacy .pv-contact-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 尾部延伸阅读 */
.page-privacy .pv-tail {
  margin-top: clamp(20px, 4vw, 38px);
  border-top: 2px solid var(--cyan);
  padding-top: 20px;
}
.page-privacy .pv-tail-title {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}
.page-privacy .pv-tail-grid {
  gap: 14px;
}
.page-privacy .pv-tail-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--ink-1);
}
.page-privacy .pv-tail-key {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.page-privacy .pv-tail-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-privacy .pv-tail-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}
.page-privacy .pv-tail-card:hover .pv-tail-name {
  color: var(--cyan);
}
.page-privacy .pv-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
}
.page-privacy .pv-top:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

/* 平板及以上：目录与正文分栏 */
@media (min-width: 760px) {
  .page-privacy .pv-body {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    gap: var(--pv-gap);
  }
  .page-privacy .pv-toc {
    position: sticky;
    top: 88px;
    align-self: start;
  }
}

/* 桌面：首屏对角构图与更宽的栏距 */
@media (min-width: 1040px) {
  .page-privacy {
    --pv-rail: 236px;
    --pv-gap: 74px;
  }
  .page-privacy .pv-hero-grid {
    grid-template-columns: 1.04fr 0.96fr;
    gap: 56px;
  }
  .page-privacy .pv-hero-media {
    transform: translateY(-8px);
  }
  .page-privacy .pv-hero-media img {
    aspect-ratio: 16 / 11;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc a,
  .page-privacy .pv-top,
  .page-privacy .pv-tail-card {
    transition: none;
  }
  .page-privacy .pv-hero-media {
    transform: none;
  }
}