.page-privacy {
  --doc-measure: 32em;
  --toc-w: 236px;
  --sec-gap: clamp(28px, 4vw, 48px);
  background: var(--c-ink);
  color: var(--c-paper);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-privacy .privacy-head {
  padding-top: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(20px, 3vw, 32px);
}

.page-privacy .breadcrumbs {
  margin-bottom: 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-privacy .breadcrumbs a {
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .breadcrumbs a:hover,
.page-privacy .breadcrumbs a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-privacy .breadcrumbs span[aria-current="page"] {
  color: var(--c-paper);
}

.page-privacy .privacy-head h1 {
  margin: 0 0 18px;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 18em;
}

.page-privacy .lede {
  margin: 0;
  max-width: var(--doc-measure);
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

.page-privacy .privacy-meta .num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--c-cyan);
  margin-right: 6px;
  vertical-align: -2px;
}

.page-privacy .privacy-banner {
  margin: 0 0 clamp(28px, 4vw, 48px);
  overflow: hidden;
  background: var(--c-band);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  opacity: 0.9;
}

.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

/* 目录：窄屏为顶部横向标签 */
.page-privacy .doc-toc {
  position: sticky;
  top: calc(var(--topbar-h) + 6px);
  z-index: 2;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0 12px;
  background: var(--c-ink);
  border-bottom: 1px solid var(--c-line);
  scrollbar-width: none;
}

.page-privacy .doc-toc::-webkit-scrollbar {
  display: none;
}

.page-privacy .toc-title,
.page-privacy .toc-note {
  display: none;
}

.page-privacy .toc-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  text-decoration: none;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  white-space: nowrap;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  color: var(--c-cyan);
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--c-paper);
  border-color: var(--c-mist);
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* 正文流 */
.page-privacy .doc-flow {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sec-gap);
}

.page-privacy .doc-sec {
  position: relative;
  padding: 0 0 4px;
  border-top: 1px solid var(--c-line);
}

.page-privacy .doc-sec::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s var(--ease);
}

.page-privacy .doc-sec:target::before {
  transform: scaleY(1);
}

.page-privacy .doc-sec > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0 14px;
  cursor: pointer;
  list-style: none;
}

.page-privacy .doc-sec > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .doc-sec > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-muted);
  transition: color 0.16s var(--ease);
}

.page-privacy .doc-sec[open] > summary::after {
  content: "−";
  color: var(--c-cyan);
}

.page-privacy .doc-sec > summary:hover::after,
.page-privacy .doc-sec > summary:focus-visible::after {
  color: var(--c-mist);
}

.page-privacy .doc-sec > summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-privacy .sec-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-cyan);
  letter-spacing: 0.02em;
}

.page-privacy .sec-title {
  font-size: clamp(19px, 3.4vw, 26px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-privacy .doc-inner {
  padding: 0 0 10px;
}

.page-privacy .doc-inner p {
  max-width: var(--doc-measure);
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-privacy .fine {
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-muted);
  border-left: 2px solid var(--c-line);
  padding-left: 12px;
}

/* 条目：用途对应表 */
.page-privacy .use-map {
  max-width: var(--doc-measure);
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
}

.page-privacy .use-map dt {
  padding: 10px 14px 4px;
  background: var(--c-band);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-mist);
}

.page-privacy .use-map dd {
  margin: 0;
  padding: 0 14px 12px;
  background: var(--c-band);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* 条目：条款列表 */
.page-privacy .clause-list {
  max-width: var(--doc-measure);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: clause;
}

.page-privacy .clause-list li {
  position: relative;
  counter-increment: clause;
  padding: 10px 0 10px 34px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-paper);
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .clause-list li::before {
  content: counter(clause, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-cyan);
  letter-spacing: 0.04em;
}

.page-privacy .right-list {
  max-width: var(--doc-measure);
  margin: 0 0 22px;
  padding: 0 0 0 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-paper);
}

.page-privacy .right-list li {
  margin-bottom: 8px;
}

.page-privacy .right-list strong {
  color: var(--c-mist);
  font-weight: 700;
  margin-right: 4px;
}

.page-privacy .k-gold {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--c-gold);
  letter-spacing: 0.01em;
}

/* 中段氛围图 */
.page-privacy .privacy-inline {
  margin: 0;
  max-width: 42em;
}

.page-privacy .privacy-inline img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: var(--c-band);
}

.page-privacy .privacy-inline figcaption {
  margin-top: 10px;
  max-width: var(--doc-measure);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--c-muted);
  padding-left: 10px;
  border-left: 1px solid var(--c-gold);
}

/* 联系盒 */
.page-privacy .contact-box {
  max-width: var(--doc-measure);
  margin-top: 6px;
  padding: 16px 18px;
  background: var(--c-band);
  border-left: 2px solid var(--c-gold);
}

.page-privacy .contact-box p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-paper);
}

.page-privacy .contact-box p:last-child {
  margin-bottom: 0;
}

.page-privacy .contact-box a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: border-color 0.16s var(--ease);
  word-break: break-all;
}

.page-privacy .contact-box a:hover,
.page-privacy .contact-box a:focus-visible {
  border-bottom-color: var(--c-cyan);
}

.page-privacy .contact-box .fine {
  border-left: 0;
  padding-left: 0;
  color: var(--c-muted);
}

/* 相关说明 */
.page-privacy .doc-next {
  border-top: 1px solid var(--c-line);
  padding-top: 20px;
}

.page-privacy .doc-next h2 {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-privacy .doc-next ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  max-width: 44em;
}

.page-privacy .doc-next li a {
  display: block;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
  text-decoration: none;
  background: var(--c-surface);
  border-left: 2px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .doc-next li a span {
  color: var(--c-cyan);
  border-bottom: 1px solid transparent;
}

.page-privacy .doc-next li a:hover,
.page-privacy .doc-next li a:focus-visible {
  color: var(--c-paper);
  border-left-color: var(--c-cyan);
}

.page-privacy .doc-next li a:hover span,
.page-privacy .doc-next li a:focus-visible span {
  border-bottom-color: var(--c-cyan);
}

/* 目录当前章节高亮 */
.page-privacy:has(#sec-01:target) .doc-toc a[href="#sec-01"],
.page-privacy:has(#sec-02:target) .doc-toc a[href="#sec-02"],
.page-privacy:has(#sec-03:target) .doc-toc a[href="#sec-03"],
.page-privacy:has(#sec-04:target) .doc-toc a[href="#sec-04"],
.page-privacy:has(#sec-05:target) .doc-toc a[href="#sec-05"],
.page-privacy:has(#sec-06:target) .doc-toc a[href="#sec-06"] {
  color: var(--c-paper);
  border-color: var(--c-cyan);
  background: var(--c-band);
}

@media (min-width: 720px) {
  .page-privacy .use-map {
    grid-template-columns: 9.5em minmax(0, 1fr);
    gap: 1px;
  }

  .page-privacy .use-map dt {
    padding: 12px 14px;
  }

  .page-privacy .use-map dd {
    padding: 12px 16px;
  }

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

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--toc-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-privacy .doc-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    display: block;
    overflow: visible;
    padding: 0 0 0 2px;
    background: transparent;
    border-bottom: 0;
    border-left: 1px solid var(--c-line);
    padding-left: 16px;
  }

  .page-privacy .toc-title {
    display: block;
    margin: 0 0 14px;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-muted);
  }

  .page-privacy .toc-link {
    display: flex;
    width: 100%;
    padding: 9px 0 9px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    font-size: 13px;
    letter-spacing: 0.02em;
  }

  .page-privacy .toc-link:hover,
  .page-privacy .toc-link:focus-visible {
    outline-offset: 4px;
    background: transparent;
  }

  .page-privacy .toc-note {
    display: block;
    margin: 20px 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--c-line);
    font-size: 12px;
    line-height: 1.7;
    color: var(--c-muted);
  }

  .page-privacy .toc-note a {
    color: var(--c-cyan);
    text-decoration: none;
    border-bottom: 1px solid var(--c-line);
  }

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

  .page-privacy:has(#sec-01:target) .doc-toc a[href="#sec-01"],
  .page-privacy:has(#sec-02:target) .doc-toc a[href="#sec-02"],
  .page-privacy:has(#sec-03:target) .doc-toc a[href="#sec-03"],
  .page-privacy:has(#sec-04:target) .doc-toc a[href="#sec-04"],
  .page-privacy:has(#sec-05:target) .doc-toc a[href="#sec-05"],
  .page-privacy:has(#sec-06:target) .doc-toc a[href="#sec-06"] {
    background: transparent;
    border-color: transparent;
  }

  .page-privacy:has(#sec-01:target) .doc-toc a[href="#sec-01"] .toc-num,
  .page-privacy:has(#sec-02:target) .doc-toc a[href="#sec-02"] .toc-num,
  .page-privacy:has(#sec-03:target) .doc-toc a[href="#sec-03"] .toc-num,
  .page-privacy:has(#sec-04:target) .doc-toc a[href="#sec-04"] .toc-num,
  .page-privacy:has(#sec-05:target) .doc-toc a[href="#sec-05"] .toc-num,
  .page-privacy:has(#sec-06:target) .doc-toc a[href="#sec-06"] .toc-num {
    color: var(--c-gold);
  }

  .page-privacy .doc-sec::before {
    left: -18px;
    width: 2px;
  }

  .page-privacy .doc-inner {
    padding-left: 44px;
  }

  .page-privacy .privacy-inline {
    margin-left: 44px;
  }
}