.page-privacy {
  background: var(--sea);
  color: var(--paper);
  overflow-x: hidden;
}

.page-privacy .breadcrumbs {
  padding-block: var(--gap-3) 0;
}

.page-privacy .privacy-hero {
  position: relative;
  padding-block: var(--gap-4) var(--gap-5);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(53, 224, 206, 0.16) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.45;
  pointer-events: none;
}

.page-privacy .privacy-hero > .container {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .section-label {
  color: var(--cyan);
  border-left: 4px solid var(--coral);
  padding-left: var(--gap-2);
  letter-spacing: 0.14em;
}

.page-privacy h1 {
  margin: var(--gap-3) 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 4.25rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-privacy .privacy-lead {
  max-width: 40rem;
  margin-top: var(--gap-4);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .privacy-meta {
  margin-top: var(--gap-3);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-privacy .privacy-visual {
  margin: 0 0 var(--gap-5);
}

.page-privacy .privacy-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--edge-bold) solid var(--glass);
  box-shadow: var(--shadow-hard);
  background: var(--sea-2);
  object-fit: cover;
}

.page-privacy .privacy-visual .media-frame__caption {
  margin-top: var(--gap-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist);
}

.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap-5);
  padding-bottom: var(--gap-6);
}

/* 章节导航 */
.page-privacy .privacy-toc {
  border: var(--edge) solid var(--glass);
  background: var(--sea-2);
  padding: var(--gap-3);
  align-self: start;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 var(--gap-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .privacy-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap-1) var(--gap-3);
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.35rem 0.25rem;
  border-left: 2px solid transparent;
  color: var(--paper);
  font-size: 0.9375rem;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 140ms ease, color 140ms ease, background-color 140ms ease;
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-left-color: var(--coral);
  background: rgba(53, 224, 206, 0.1);
  color: var(--cyan);
}

/* 正文纸区 */
.page-privacy .privacy-doc {
  background: var(--paper);
  color: var(--ink);
  border: var(--edge-bold) solid var(--ink);
  box-shadow: var(--shadow-paper);
  padding: clamp(1.25rem, 4vw, 3rem);
}

.page-privacy .doc-section + .doc-section,
.page-privacy .doc-section + .flow,
.page-privacy .flow + .doc-section {
  margin-top: var(--gap-5);
  padding-top: var(--gap-4);
  border-top: 2px solid rgba(24, 18, 15, 0.18);
}

.page-privacy .doc-section h2 {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0 0 var(--gap-3);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .sec-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--alert);
  letter-spacing: 0.08em;
}

.page-privacy .doc-section p {
  margin: 0 0 var(--gap-3);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
  overflow-wrap: break-word;
}

.page-privacy .doc-section p:last-child {
  margin-bottom: 0;
}

.page-privacy .doc-list {
  margin: 0 0 var(--gap-3);
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--gap-2);
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9688rem;
  line-height: 1.75;
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--coral);
  border: 1px solid var(--ink);
}

.page-privacy .doc-list strong {
  font-weight: 700;
}

.page-privacy .doc-callout {
  border-left: var(--edge-bold) solid var(--coral);
  background: rgba(255, 106, 77, 0.12);
  padding: var(--gap-2) var(--gap-3);
  font-size: 0.9375rem !important;
  line-height: 1.75;
}

/* 用途示意图 */
.page-privacy .flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap-2);
  border: var(--edge) solid var(--ink);
  background: rgba(53, 224, 206, 0.12);
  padding: var(--gap-3);
}

.page-privacy .flow-node {
  border: var(--edge) solid var(--ink);
  background: var(--paper);
  padding: var(--gap-2) var(--gap-3);
}

.page-privacy .flow-node__label {
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--alert);
}

.page-privacy .flow-node__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink);
}

/* 折叠条款 */
.page-privacy .clause-fold {
  margin-top: var(--gap-3);
  border: var(--edge) solid var(--ink);
  background: rgba(255, 200, 87, 0.16);
  padding: var(--gap-2) var(--gap-3);
}

.page-privacy .clause-fold summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-privacy .clause-fold summary:hover {
  color: var(--alert);
}

.page-privacy .clause-fold p {
  margin: var(--gap-2) 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* 联系信息 */
.page-privacy .doc-contact {
  margin: var(--gap-3) 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--gap-2);
}

.page-privacy .doc-contact li {
  display: grid;
  gap: 0.15rem;
  border-bottom: 1px dashed rgba(24, 18, 15, 0.25);
  padding-bottom: var(--gap-2);
  font-size: 0.9375rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}

.page-privacy .doc-contact__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--alert);
}

.page-privacy .privacy-doc a.link-underline {
  color: var(--alert);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
}

.page-privacy .privacy-doc a.link-underline:hover {
  border-bottom-color: var(--coral);
}

/* 返回顶部 */
.page-privacy .to-top {
  position: fixed;
  right: var(--gap-3);
  bottom: var(--gap-3);
  z-index: 20;
  display: inline-block;
  padding: 0.6rem 0.9rem;
  background: var(--coral);
  color: var(--ink);
  border: var(--edge) solid var(--ink);
  box-shadow: 4px 4px 0 rgba(2, 10, 17, 0.72);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.page-privacy .to-top:hover,
.page-privacy .to-top:focus-visible {
  background: var(--amber);
}

/* 焦点可见性 */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .page-privacy .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .doc-contact li {
    grid-template-columns: 7rem minmax(0, 1fr);
    align-items: baseline;
    gap: var(--gap-3);
  }

  .page-privacy .doc-contact__label {
    padding-top: 0.2rem;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-shell {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: var(--gap-5);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 5.5rem;
    max-height: calc(100vh - 7rem);
    overflow-y: auto;
  }

  .page-privacy .privacy-toc__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .privacy-doc {
    padding: clamp(2rem, 4vw, 3.5rem);
  }

  .page-privacy .doc-section p,
  .page-privacy .doc-list li {
    max-width: 42rem;
  }
}

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