.page-privacy {
  background:
    radial-gradient(900px 320px at 10% 0%, rgba(0, 184, 176, 0.08), transparent 60%),
    radial-gradient(1000px 380px at 90% 18%, rgba(122, 90, 248, 0.09), transparent 55%),
    var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-privacy .container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 20px;
}

.page-privacy .privacy-breadcrumb {
  padding: 18px 0 6px;
}

.page-privacy .privacy-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-privacy .privacy-breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--color-border);
}

.page-privacy .privacy-breadcrumb a {
  color: var(--color-link);
  text-decoration: none;
}

.page-privacy .privacy-breadcrumb a:hover {
  color: var(--color-cyan-text);
  text-decoration: underline;
}

.page-privacy .privacy-breadcrumb [aria-current="page"] {
  color: var(--color-muted);
}

.page-privacy .privacy-book {
  position: relative;
  padding: 34px 0 0 30px;
}

.page-privacy .privacy-book::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 10px;
  width: 5px;
  border-radius: 4px;
  background: var(--color-frame);
}

.page-privacy .privacy-book::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 19px;
  width: 1px;
  background: var(--color-border);
}

.page-privacy .privacy-cover {
  position: relative;
  padding: 30px 2px 36px;
  border-bottom: 1px solid var(--color-border);
}

.page-privacy .privacy-cover > * {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-cover::before {
  content: "PRIVACY";
  position: absolute;
  top: 12px;
  right: 0;
  z-index: 0;
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(23, 42, 58, 0.05);
  pointer-events: none;
}

.page-privacy .privacy-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.page-privacy .privacy-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 5.6rem);
  font-weight: 100;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.page-privacy .privacy-subtitle {
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--color-muted);
}

.page-privacy .privacy-lead {
  max-width: 64ch;
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.9;
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 26px;
}

.page-privacy .privacy-meta-item {
  position: relative;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
}

.page-privacy .privacy-meta-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--color-cyan);
}

.page-privacy .privacy-cover-stamp {
  display: inline-block;
  margin-top: 26px;
  padding: 10px 12px;
  border: 2px solid var(--color-cyan);
  color: var(--color-cyan-text);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  letter-spacing: 0.08em;
  transform: rotate(-3deg);
}

.page-privacy .privacy-index {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 0;
  padding: 26px 2px;
  border-bottom: 1px solid var(--color-border);
}

.page-privacy .privacy-index-label {
  margin-right: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-muted);
  white-space: nowrap;
}

.page-privacy .privacy-index-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-index-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  color: var(--color-ink);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

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

.page-privacy .privacy-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-purple);
}

.page-privacy .privacy-chapter {
  position: relative;
  padding: 40px 2px 12px;
  border-bottom: 1px solid var(--color-border);
}

.page-privacy .privacy-chapter::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 34px;
  z-index: 1;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--color-frame);
  background: var(--color-paper);
  box-shadow: inset 0 0 0 2px var(--color-paper);
}

.page-privacy .privacy-chapter-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: clamp(3rem, 11vw, 5.2rem);
  font-weight: 100;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-border);
}

.page-privacy .privacy-chapter-num::after {
  content: "";
  display: block;
  width: 52px;
  height: 3px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-purple));
}

.page-privacy .privacy-chapter-title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-prose {
  max-width: 72ch;
}

.page-privacy .privacy-clause {
  margin: 0;
  padding: 20px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-ink);
}

.page-privacy .privacy-clause:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-clause-title {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: 700;
}

.page-privacy .privacy-contact-list {
  margin: 14px 0 2px;
  padding: 16px 18px;
  list-style: none;
  background: var(--color-paper-layered);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-purple);
}

.page-privacy .privacy-contact-list li {
  padding: 4px 0;
  font-size: 14px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-contact-list li + li {
  border-top: 1px dotted var(--color-border);
}

.page-privacy .privacy-term {
  position: relative;
  display: inline-block;
  border-bottom: 1px dotted var(--color-cyan-text);
  color: var(--color-ink);
  cursor: help;
}

.page-privacy .privacy-term::after {
  content: "?";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 4px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-paper-layered);
  color: var(--color-muted);
  font-size: 10px;
  line-height: 12px;
  text-align: center;
  vertical-align: 1px;
}

.page-privacy .privacy-term:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

.page-privacy .privacy-term-tip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  z-index: 30;
  width: max-content;
  max-width: 220px;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: var(--color-frame);
  color: #ffffff;
  font-size: 12px;
  line-height: 1.6;
  box-shadow: 0 6px 16px rgba(23, 42, 58, 0.18);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), visibility var(--transition);
}

.page-privacy .privacy-marginal {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--color-purple);
  background: var(--color-paper-layered);
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-muted);
}

.page-privacy .privacy-marginal::before {
  content: "编注";
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--color-purple-text);
}

.page-privacy .privacy-marginal p {
  margin: 0;
}

.page-privacy .privacy-figure {
  margin: 30px 0 8px;
  padding: 10px;
  background: var(--color-paper-layered);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

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

.page-privacy .privacy-figcaption {
  display: block;
  padding: 10px 2px 2px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-privacy .privacy-links {
  display: grid;
  gap: 28px;
  padding: 40px 2px 52px;
}

.page-privacy .privacy-links-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-muted);
}

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

.page-privacy .privacy-links-list li + li {
  margin-top: 10px;
}

.page-privacy .privacy-links-link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--color-link);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.page-privacy .privacy-links-link:hover,
.page-privacy .privacy-links-link:focus-visible {
  color: var(--color-cyan-text);
  border-bottom-color: var(--color-cyan);
}

.page-privacy .privacy-links-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-purple);
}

.page-privacy .privacy-links-note {
  margin: 0;
  max-width: 42ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-muted);
}

@media (min-width: 768px) {
  .page-privacy .privacy-book {
    padding-left: 70px;
  }

  .page-privacy .privacy-book::before {
    left: 24px;
    width: 6px;
  }

  .page-privacy .privacy-book::after {
    left: 34px;
  }

  .page-privacy .privacy-chapter {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    column-gap: 32px;
    padding-top: 48px;
  }

  .page-privacy .privacy-chapter::before {
    left: -46px;
    top: 44px;
  }

  .page-privacy .privacy-chapter-num {
    grid-column: 1;
    grid-row: 1 / span 2;
    margin-top: 2px;
  }

  .page-privacy .privacy-chapter-content {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
  }

  .page-privacy .privacy-chapter-title {
    margin-top: 2px;
  }

  .page-privacy .privacy-marginal {
    grid-column: 2;
    grid-row: 2;
    max-width: 520px;
    margin-top: 24px;
  }

  .page-privacy .privacy-links {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .page-privacy .privacy-term:hover .privacy-term-tip,
  .page-privacy .privacy-term:focus .privacy-term-tip,
  .page-privacy .privacy-term:focus-visible .privacy-term-tip {
    opacity: 1;
    visibility: visible;
  }
}

@media (min-width: 1260px) {
  .page-privacy .privacy-book {
    padding-left: 110px;
    padding-right: 48px;
  }

  .page-privacy .privacy-book::before {
    left: 44px;
    width: 8px;
  }

  .page-privacy .privacy-book::after {
    left: 58px;
  }

  .page-privacy .privacy-cover {
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .page-privacy .privacy-cover::before {
    font-size: 64px;
  }

  .page-privacy .privacy-chapter {
    grid-template-columns: 130px minmax(0, 1fr) 260px;
    column-gap: 48px;
    padding-top: 64px;
    padding-bottom: 56px;
  }

  .page-privacy .privacy-chapter::before {
    left: -62px;
    top: 56px;
    width: 11px;
    height: 11px;
  }

  .page-privacy .privacy-chapter-num {
    grid-column: 1;
    grid-row: 1;
    margin: 0;
  }

  .page-privacy .privacy-chapter-content {
    grid-column: 2;
  }

  .page-privacy .privacy-marginal {
    grid-column: 3;
    grid-row: 1;
    margin-top: 56px;
  }
}