.page-privacy {
  --doc-accent: #0E7C6F;
  --doc-line: rgba(3, 11, 18, 0.14);
  --doc-text: #16232E;
  --doc-max: 68ch;
  padding-block: clamp(20px, 3vw, 40px) clamp(48px, 7vw, 96px);
  background:
    radial-gradient(120% 60% at 85% -10%, rgba(53, 240, 208, 0.10), transparent 60%),
    radial-gradient(90% 50% at 0% 20%, rgba(255, 138, 61, 0.07), transparent 55%);
}

.page-privacy .privacy-shell {
  padding-inline: 0;
}

.page-privacy .breadcrumbs {
  margin-bottom: clamp(16px, 3vw, 28px);
}

.page-privacy .privacy-head {
  max-width: 940px;
}

.page-privacy .privacy-head h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-title);
}

.page-privacy .privacy-head .lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.75;
  color: var(--c-text);
}

.page-privacy .meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .meta-strip li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.5;
  color: var(--c-cyan-soft);
  background: rgba(53, 240, 208, 0.07);
  border: 1px solid rgba(53, 240, 208, 0.3);
  border-radius: var(--r-pill);
  padding: 6px 13px;
}

/* 布局：窄栏正文 + 侧栏条款索引 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-privacy .toc {
  background: var(--c-stand);
  border: 1px solid rgba(53, 240, 208, 0.18);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  min-width: 0;
}

.page-privacy .toc-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-privacy .toc-title::-webkit-details-marker {
  display: none;
}

.page-privacy .toc-title::after {
  content: "+";
  font-size: 16px;
  line-height: 1;
  color: var(--c-mist);
}

.page-privacy .toc[open] .toc-title::after {
  content: "−";
}

.page-privacy .toc-nav ol {
  display: grid;
  gap: 2px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--r-sm);
  color: var(--c-text);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.45;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease;
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  background: rgba(53, 240, 208, 0.10);
  border-left-color: var(--c-cyan);
  color: var(--c-title);
}

.page-privacy .toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-cyan);
  font-variant-numeric: tabular-nums;
}

/* 暖纸长文 */
.page-privacy .doc {
  min-width: 0;
  background: var(--c-paper);
  color: var(--doc-text);
  border-radius: var(--r-lg);
  padding: clamp(20px, 4vw, 48px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.38);
}

.page-privacy .clause {
  margin-top: clamp(22px, 3.4vw, 36px);
  padding-top: clamp(22px, 3.4vw, 36px);
  border-top: 1px solid var(--doc-line);
}

.page-privacy .clause:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-privacy .clause-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.page-privacy .clause-num {
  flex: none;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  color: var(--doc-accent);
  border: 1px solid rgba(14, 124, 111, 0.42);
  border-radius: 6px;
  padding: 1px 7px;
}

.page-privacy .clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-privacy .doc p {
  max-width: var(--doc-max);
  margin: 16px 0 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--doc-text);
  overflow-wrap: break-word;
}

.page-privacy .doc a {
  color: var(--doc-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* 示意配图 */
.page-privacy .doc-figure {
  margin: 22px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(3, 11, 18, 0.06);
}

.page-privacy .doc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-privacy .doc-figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(3, 11, 18, 0.62);
  border-top: 1px solid var(--doc-line);
}

/* 四节点流向 */
.page-privacy .flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .flow-item {
  position: relative;
  padding: 14px 14px 12px;
  border-radius: var(--r-md);
  background: rgba(53, 240, 208, 0.10);
  border: 1px solid rgba(14, 124, 111, 0.22);
}

.page-privacy .flow-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  border-radius: var(--r-md) var(--r-md) 0 0;
  background: linear-gradient(90deg, var(--doc-accent), rgba(53, 240, 208, 0.9));
}

.page-privacy .flow-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--doc-accent);
}

.page-privacy .flow-item p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--doc-text);
}

/* 信息类型清单 */
.page-privacy .info-list {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
}

.page-privacy .info-list div {
  display: grid;
  gap: 3px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--doc-line);
}

.page-privacy .info-list div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .info-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--doc-accent);
}

.page-privacy .info-list dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--doc-text);
}

/* 折叠补充说明 */
.page-privacy .clause-more {
  margin-top: 20px;
  padding: 0 16px;
  border: 1px solid var(--doc-line);
  border-radius: var(--r-md);
  background: rgba(3, 11, 18, 0.035);
}

.page-privacy .clause-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--doc-accent);
}

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

.page-privacy .clause-more summary::after {
  content: "+";
  font-size: 16px;
  line-height: 1;
  color: var(--doc-accent);
}

.page-privacy .clause-more[open] summary {
  border-bottom: 1px solid var(--doc-line);
}

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

.page-privacy .clause-more-body {
  padding-bottom: 6px;
}

.page-privacy .clause-more-body p {
  font-size: 15px;
}

/* 选择清单 */
.page-privacy .choice-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .choice-list li {
  position: relative;
  padding: 12px 14px 12px 32px;
  border-left: 2px solid rgba(14, 124, 111, 0.4);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(14, 124, 111, 0.07);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--doc-text);
}

.page-privacy .choice-list li::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 21px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--doc-accent);
}

.page-privacy .choice-list strong {
  color: var(--c-ink);
}

/* 联系方式 */
.page-privacy .doc-contact {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 16px;
  list-style: none;
  border-radius: var(--r-md);
  background: var(--c-ink);
}

.page-privacy .doc-contact li {
  display: grid;
  gap: 2px;
}

.page-privacy .contact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-privacy .contact-val {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-cyan-soft);
  overflow-wrap: anywhere;
}

.page-privacy .doc-links {
  max-width: var(--doc-max);
}

.page-privacy .to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--doc-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 124, 111, 0.5);
  padding-bottom: 2px;
}

.page-privacy .to-top:hover {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

@media (min-width: 640px) {
  .page-privacy .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-privacy .info-list div {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-privacy .doc-contact li {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 248px;
    column-gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }

  .page-privacy .doc {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 28px;
    padding: 18px 16px;
  }
}

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

@media print {
  .page-privacy {
    padding: 0;
    background: #fff;
  }

  .page-privacy .toc,
  .page-privacy .to-top,
  .page-privacy .meta-strip {
    display: none;
  }

  .page-privacy .privacy-layout {
    display: block;
  }

  .page-privacy .doc {
    box-shadow: none;
    padding: 0;
    background: #fff;
  }

  .page-privacy .privacy-head h1,
  .page-privacy .privacy-head .lede,
  .page-privacy .clause h2,
  .page-privacy .doc p,
  .page-privacy .info-list dd,
  .page-privacy .choice-list li {
    color: #000;
  }

  .page-privacy .doc-contact {
    background: #fff;
    border: 1px solid #999;
  }

  .page-privacy .contact-val,
  .page-privacy .contact-key {
    color: #000;
  }

  .page-privacy .clause {
    break-inside: avoid;
  }

  .page-privacy .clause-more {
    display: none;
  }
}