.page-privacy {
  --pv-grid: rgba(16, 20, 24, 0.055);
  --pv-line: rgba(16, 20, 24, 0.14);
  --pv-body: #2A323B;
  --pv-soft: rgba(244, 241, 234, 0.72);
  --pv-toc-w: 252px;

  background-color: var(--paper);
  background-image:
    linear-gradient(var(--pv-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pv-grid) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 120px);
  overflow-x: hidden;
}

.page-privacy .pv-hero {
  padding-top: clamp(24px, 4vw, 52px);
}

.page-privacy .pv-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 36px);
  align-items: end;
}

.page-privacy .pv-hero-text h1 {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
}

.page-privacy .pv-lede {
  max-width: 48ch;
  margin: 18px 0 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--pv-body);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--pv-line);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-privacy .pv-hero-media {
  margin: 0;
}

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

.page-privacy .pv-hero-media figcaption {
  margin-top: 10px;
  font-size: var(--step--2);
  line-height: 1.6;
  color: var(--slate);
}

.page-privacy .pv-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(40px, 6vw, 88px);
}

/* 目录 */
.page-privacy .pv-toc {
  border-top: 1px solid var(--pv-line);
  padding-top: 14px;
}

.page-privacy .pv-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.18em;
  color: var(--slate);
}

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

.page-privacy .pv-toc-link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 12px;
  border: 1px solid var(--pv-line);
  background: var(--pv-soft);
  color: var(--ink);
  font-size: 0.875rem;
  text-decoration: none;
  transition: border-color var(--dur) var(--spring), transform var(--dur) var(--spring), background-color var(--dur) var(--spring);
}

.page-privacy .pv-toc-num {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--wine);
}

.page-privacy .pv-toc-link:hover,
.page-privacy .pv-toc-link:focus-visible {
  border-color: var(--sand);
  background: rgba(217, 164, 65, 0.12);
  transform: translateY(-1px);
}

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

.page-privacy .pv-section {
  padding-top: clamp(24px, 3vw, 40px);
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-section + .pv-section {
  margin-top: clamp(32px, 4.5vw, 60px);
}

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

.page-privacy .pv-num {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--wine);
}

.page-privacy .pv-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-privacy .pv-section p {
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pv-body);
}

.page-privacy .pv-rows {
  margin-top: 22px;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-key {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--teal);
}

.page-privacy .pv-row p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-privacy .pv-uses {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .pv-uses li {
  position: relative;
  padding-left: 24px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pv-body);
}

.page-privacy .pv-uses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--sand);
}

.page-privacy .pv-uses b {
  display: inline-block;
  margin-right: 8px;
  color: var(--ink);
  font-weight: 600;
}

/* 折叠组 */
.page-privacy .collapse-set {
  margin-top: 24px;
  border-top: 1px solid var(--pv-line);
}

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

.page-privacy .collapse-trigger {
  width: 100%;
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 16px 0;
  background: none;
  border: 0;
  font-family: inherit;
  font-size: 1rem;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
  transition: color var(--dur) var(--spring);
}

.page-privacy .collapse-trigger:hover {
  color: var(--wine);
}

.page-privacy .collapse-index {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--wine);
}

.page-privacy .collapse-title {
  font-weight: 600;
}

.page-privacy .collapse-sign {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--slate);
  transition: transform var(--dur) var(--spring);
}

.page-privacy .collapse-trigger[aria-expanded="true"] .collapse-sign {
  transform: rotate(45deg);
}

.page-privacy .collapse-panel {
  padding: 0 0 18px 34px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pv-body);
}

.page-privacy .collapse-panel p {
  margin: 0;
}

/* 联系面板 */
.page-privacy .pv-contact-panel {
  margin-top: 24px;
  padding: clamp(22px, 3vw, 36px);
  background: var(--deep-sea);
  background-image:
    linear-gradient(rgba(244, 241, 234, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 241, 234, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--paper);
  border-radius: var(--radius);
}

.page-privacy .pv-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px 28px;
  margin: 0;
}

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

.page-privacy .pv-contact-label {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.16em;
  color: var(--sand);
}

.page-privacy .pv-contact-value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-privacy .pv-contact-value a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 176, 0.4);
}

.page-privacy .pv-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--hairline-dark);
}

.page-privacy .pv-copy .copy-btn {
  border-color: var(--sand);
  color: var(--sand);
  background: transparent;
}

.page-privacy .pv-copy .copy-state {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--neon);
}

.page-privacy .pv-contact-note {
  margin: 16px 0 0;
  font-size: var(--step--1);
  line-height: 1.7;
  color: rgba(244, 241, 234, 0.72);
}

/* 相关入口 */
.page-privacy .pv-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 24px;
}

.page-privacy .pv-link {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  padding: 14px 16px;
  border: 1px solid var(--pv-line);
  background: var(--pv-soft);
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--dur) var(--spring), transform var(--dur) var(--spring);
}

.page-privacy .pv-link:hover,
.page-privacy .pv-link:focus-visible {
  border-color: var(--sand);
  transform: translateY(-2px);
}

.page-privacy .pv-link-label {
  font-weight: 600;
  font-size: 0.9375rem;
}

.page-privacy .pv-link-note {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--slate);
}

@media (min-width: 640px) {
  .page-privacy .pv-row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
  }

  .page-privacy .pv-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero-grid {
    grid-template-columns: 7fr 5fr;
  }
}

@media (min-width: 1024px) {
  .page-privacy .pv-body {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 88px);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .pv-toc-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-privacy .pv-toc-link {
    border: 0;
    border-left: 2px solid var(--pv-line);
    background: transparent;
    padding: 10px 0 10px 14px;
  }

  .page-privacy .pv-toc-link:hover,
  .page-privacy .pv-toc-link:focus-visible {
    border-left-color: var(--sand);
    background: rgba(217, 164, 65, 0.1);
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc-link,
  .page-privacy .pv-link,
  .page-privacy .collapse-trigger,
  .page-privacy .collapse-sign {
    transition: none;
  }

  .page-privacy .pv-toc-link:hover,
  .page-privacy .pv-link:hover {
    transform: none;
  }
}

@media print {
  .page-privacy {
    background: #fff;
    background-image: none;
    color: #000;
  }

  .page-privacy .pv-toc,
  .page-privacy .pv-copy {
    display: none;
  }

  .page-privacy .pv-body {
    grid-template-columns: 1fr;
  }

  .page-privacy .pv-section {
    break-inside: avoid;
    border-top-color: #999;
  }

  .page-privacy .pv-contact-panel {
    background: #fff;
    background-image: none;
    color: #000;
    border: 1px solid #999;
  }

  .page-privacy .pv-contact-label,
  .page-privacy .pv-contact-value,
  .page-privacy .pv-contact-value a,
  .page-privacy .pv-contact-note {
    color: #000;
  }
}