.page-privacy {
  --clause-pad: clamp(26px, 3.6vw, 44px);
  --doc-rule: 1px dashed var(--warm);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: 0;
  overflow: hidden;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-privacy .privacy-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(247, 242, 232, .6);
}

.page-privacy .privacy-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(247, 242, 232, .35);
}

.page-privacy .privacy-hero .breadcrumb a {
  color: rgba(247, 242, 232, .84);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 196, 109, .5);
  transition: color .18s ease, border-color .18s ease;
}

.page-privacy .privacy-hero .breadcrumb a:hover {
  color: var(--amber-light);
  border-bottom-color: var(--amber-light);
}

.page-privacy .hero-grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-privacy .hero-copy .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber-light);
}

.page-privacy .privacy-hero .display {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: 58ch;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.9;
  color: rgba(247, 242, 232, .84);
}

.page-privacy .hero-facts {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid rgba(247, 242, 232, .22);
}

.page-privacy .hero-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-display);
  font-size: .875rem;
  color: rgba(247, 242, 232, .76);
}

.page-privacy .hero-facts .mono {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--amber-light);
}

.page-privacy .privacy-figure {
  position: relative;
  max-width: 1400px;
  margin: clamp(24px, 4vw, 42px) auto 0;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

.page-privacy .privacy-figure::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 45%;
  background: linear-gradient(to top, rgba(17, 28, 51, .8), rgba(17, 28, 51, 0));
  pointer-events: none;
}

/* ---------- 文档区 ---------- */
.page-privacy .privacy-doc {
  padding-block: clamp(32px, 5vw, 66px);
}

.page-privacy .with-rail {
  align-items: start;
}

.page-privacy .rail {
  position: sticky;
  top: 24px;
}

.page-privacy .rail-title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber-deep);
  border-bottom: 2px solid var(--amber);
}

.page-privacy .rail .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .rail .index-link {
  display: block;
  padding: 8px 10px;
  font-family: var(--font-display);
  font-size: .875rem;
  line-height: 1.5;
  color: rgba(32, 36, 43, .72);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-privacy .rail .index-link:hover,
.page-privacy .rail .index-link.is-active {
  color: var(--indigo);
  border-left-color: var(--amber);
  background: var(--paper-dim);
}

.page-privacy .to-top {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 42, 74, .32);
  transition: color .18s ease, border-color .18s ease;
}

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

.page-privacy .to-top--inline {
  margin-top: 0;
  align-self: center;
}

/* ---------- 窄栏正文 ---------- */
.page-privacy .doc {
  min-width: 0;
  max-width: 68ch;
}

.page-privacy .doc-intro {
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding-left: 16px;
  border-left: 3px solid var(--warm);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(32, 36, 43, .78);
}

.page-privacy .clause {
  padding-block: var(--clause-pad);
  border-top: var(--rule);
  scroll-margin-top: 90px;
}

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

.page-privacy .clause-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .clause-num {
  flex: 0 0 auto;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--amber-deep);
  background: rgba(242, 196, 109, .16);
  border: 1px solid rgba(217, 154, 43, .5);
  border-radius: 2px;
}

.page-privacy .clause .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--indigo);
}

.page-privacy .clause-lead {
  margin: 0 0 18px;
  padding-left: 14px;
  border-left: 3px solid var(--amber);
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .clause .prose p {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(32, 36, 43, .86);
}

.page-privacy .clause .prose p:last-child {
  margin-bottom: 0;
}

.page-privacy .clause .prose a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(15, 76, 92, .34);
  transition: color .18s ease, text-decoration-color .18s ease;
}

.page-privacy .clause .prose a:hover {
  color: var(--amber-deep);
  text-decoration-color: var(--amber-deep);
}

/* ---------- 信息类别清单 ---------- */
.page-privacy .info-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-privacy .info-item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: var(--doc-rule);
}

.page-privacy .info-item:first-child {
  border-top: var(--doc-rule);
}

.page-privacy .info-item dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .95rem;
  color: var(--indigo);
}

.page-privacy .info-item dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(32, 36, 43, .82);
}

/* ---------- 用途网格 ---------- */
.page-privacy .use-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .use-item {
  padding: 16px 18px;
  background: var(--paper-dim);
  border-left: 3px solid var(--indigo);
}

.page-privacy .use-item:last-child {
  border-left-color: var(--amber);
}

.page-privacy .use-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--indigo);
}

.page-privacy .use-item p {
  margin: 0;
  font-family: var(--font-body);
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(32, 36, 43, .82);
}

/* ---------- 流转条 ---------- */
.page-privacy .flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 22px;
  padding: 16px 18px;
  background: var(--indigo);
}

.page-privacy .flow-node {
  position: relative;
  padding: 5px 10px;
  font-family: var(--font-display);
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--paper);
  border: 1px solid rgba(242, 196, 109, .45);
  white-space: nowrap;
}

.page-privacy .flow-node:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--amber-light);
  font-size: .85rem;
}

/* ---------- 折叠说明 ---------- */
.page-privacy .acc {
  margin-top: 6px;
}

.page-privacy .acc-item {
  border-bottom: var(--doc-rule);
}

.page-privacy .acc-item:first-child {
  border-top: var(--doc-rule);
}

.page-privacy .acc-trigger {
  position: relative;
  width: 100%;
  padding: 14px 30px 14px 0;
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: .97rem;
  font-weight: 700;
  color: var(--indigo);
}

.page-privacy .acc-trigger:hover {
  color: var(--amber-deep);
}

.page-privacy .acc-trigger::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--amber-deep);
}

.page-privacy .acc-trigger[aria-expanded="true"]::after {
  content: "−";
}

.page-privacy .acc-body {
  padding: 0 0 16px;
}

.page-privacy .acc-body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(32, 36, 43, .82);
}

/* ---------- 联系动作条 ---------- */
.page-privacy .contact-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: var(--doc-rule);
}

/* ---------- 响应式 ---------- */
@media (min-width: 880px) {
  .page-privacy .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(230px, .75fr);
    align-items: end;
  }

  .page-privacy .hero-facts {
    padding-top: 18px;
  }
}

@media (min-width: 720px) {
  .page-privacy .use-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .page-privacy .rail {
    position: static;
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--warm);
  }

  .page-privacy .rail .index-list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .page-privacy .rail .index-link {
    padding: 6px 10px;
    border: 1px solid var(--warm);
    white-space: nowrap;
  }

  .page-privacy .rail .index-link:hover,
  .page-privacy .rail .index-link.is-active {
    border-color: var(--amber);
  }

  .page-privacy .to-top {
    margin-top: 10px;
  }
}

@media (max-width: 600px) {
  .page-privacy .privacy-figure img {
    max-height: 260px;
  }

  .page-privacy .flow {
    gap: 18px 22px;
    padding: 14px;
  }

  .page-privacy .flow-node {
    font-size: .75rem;
  }

  .page-privacy .clause-lead {
    padding-left: 12px;
    border-left-width: 2px;
  }

  .page-privacy .use-item {
    padding: 14px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .rail .index-link,
  .page-privacy .to-top,
  .page-privacy .clause .prose a,
  .page-privacy .privacy-hero .breadcrumb a {
    transition: none;
  }
}