.page-privacy {
  --priv-rail: 96px;
  --priv-dim: #D9D2C5;
  --priv-hair: rgba(147, 166, 184, 0.22);
  background: var(--ink);
  color: var(--sand);
  padding-bottom: clamp(3rem, 7vw, 6rem);
  overflow-x: hidden;
}

/* ---------- 面包屑上下文 ---------- */
.page-privacy .breadcrumb {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

/* ---------- 题头 ---------- */
.page-privacy .priv-head {
  max-width: 48rem;
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2rem, 5vw, 3.5rem);
}

.page-privacy .priv-head .eyebrow {
  color: var(--amber);
}

.page-privacy .priv-head h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6.2vw, 4.25rem);
  line-height: 1.03;
  letter-spacing: -0.5px;
  color: var(--sand);
  margin: 0.75rem 0 1.25rem;
  text-wrap: balance;
}

.page-privacy .priv-lede {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.8;
  color: var(--priv-dim);
  max-width: var(--measure);
  margin: 0;
}

/* ---------- 主题横幅 ---------- */
.page-privacy .priv-banner {
  margin: 0;
  position: relative;
  background: var(--ink-deep);
  border-top: var(--line) solid var(--ink-2);
  border-bottom: var(--line) solid var(--ink-2);
}

.page-privacy .priv-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: cover;
  object-position: center;
  opacity: 0.6;
}

.page-privacy .priv-banner::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--amber);
}

/* ---------- 章节索引 ---------- */
.page-privacy .priv-body {
  padding-top: clamp(2rem, 4.5vw, 3.25rem);
}

.page-privacy .priv-toc {
  background: var(--ink-2);
  border: var(--line) solid var(--edge);
  box-shadow: var(--hard-sm);
  padding: 1.25rem 1.25rem 1.5rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-privacy .priv-toc__title {
  margin: 0 0 1rem;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-privacy .priv-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.375rem 1.5rem;
  grid-template-columns: 1fr;
}

.page-privacy .priv-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  padding: 0.375rem 0;
  color: var(--rock);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 1.5;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .priv-toc a:hover,
.page-privacy .priv-toc a:focus-visible {
  color: var(--amber-lift);
  border-bottom-color: var(--amber);
  outline: none;
}

.page-privacy .priv-toc__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--amber);
  flex: none;
}

/* ---------- 章节 ---------- */
.page-privacy .priv-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
  padding-block: clamp(2rem, 5vw, 3.5rem);
  border-top: var(--line) solid var(--ink-2);
  scroll-margin-top: 1.5rem;
}

.page-privacy .priv-section:first-of-type {
  border-top: none;
  padding-top: 0;
}

.page-privacy .priv-section__rail {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
}

.page-privacy .priv-section__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
  flex: none;
}

.page-privacy .priv-section__label {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--rock);
  line-height: 1.5;
}

.page-privacy .priv-section__body h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -0.3px;
  color: var(--sand);
  margin: 0 0 1.25rem;
  max-width: 18em;
  text-wrap: balance;
}

.page-privacy .priv-section__body p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--priv-dim);
  max-width: var(--measure);
  margin: 0 0 1.125rem;
}

.page-privacy .priv-section__body p:last-child {
  margin-bottom: 0;
}

.page-privacy .priv-section__body strong {
  color: var(--sand);
  font-weight: 700;
}

.page-privacy .priv-section__body a {
  color: var(--amber-lift);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-privacy .priv-section__body a:hover,
.page-privacy .priv-section__body a:focus-visible {
  color: var(--sand);
  text-decoration-color: var(--amber);
  outline: none;
}

/* ---------- 重点提示 ---------- */
.page-privacy .priv-note {
  margin-top: 1.75rem;
  padding: 1.125rem 1.25rem;
  background: var(--ink-2);
  border-left: 6px solid var(--amber);
  color: var(--priv-dim);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-privacy .priv-note a {
  color: var(--amber-lift);
}

/* ---------- 信息流向示意 ---------- */
.page-privacy .priv-flow-wrap {
  margin: 1.75rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.5rem;
}

.page-privacy .priv-flow {
  display: block;
  width: 100%;
  min-width: 430px;
  height: auto;
}

.page-privacy .priv-flow__box {
  fill: var(--ink);
  stroke: var(--priv-hair);
  stroke-width: 1.5;
}

.page-privacy .priv-flow__box--out {
  fill: rgba(196, 106, 27, 0.14);
  stroke: rgba(224, 138, 53, 0.5);
}

.page-privacy .priv-flow__label {
  font-family: var(--font-body);
  font-size: 14px;
  fill: var(--rock);
}

.page-privacy .priv-flow__label--out {
  fill: var(--sand);
}

.page-privacy .priv-flow__arrow {
  stroke: var(--amber);
  stroke-width: 2;
  fill: none;
}

.page-privacy .priv-flow__head {
  fill: var(--amber);
}

/* ---------- 联系信息 ---------- */
.page-privacy .priv-contact {
  margin: 1.75rem 0;
  display: grid;
  gap: 1.25rem;
  max-width: var(--measure);
}

.page-privacy .priv-contact__item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.375rem;
  padding-top: 0.875rem;
  border-top: var(--line) solid var(--ink-2);
}

.page-privacy .priv-contact__key {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-privacy .priv-contact__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  color: var(--sand);
  word-break: break-word;
  line-height: 1.5;
}

.page-privacy .priv-contact__item--wide .priv-contact__val {
  font-family: var(--font-body);
  font-size: 1rem;
}

.page-privacy .priv-contact .copy-btn {
  margin-top: 0.375rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-privacy .priv-section {
    grid-template-columns: var(--priv-rail) minmax(0, 1fr);
    gap: 2.5rem;
  }

  .page-privacy .priv-section__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    padding-left: 1rem;
    border-left: var(--line) solid var(--ink-2);
  }

  .page-privacy .priv-section__num {
    font-size: 1.75rem;
  }
}

@media (min-width: 640px) {
  .page-privacy .priv-toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .priv-banner img {
    max-height: 440px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .priv-toc ol {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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