.page-privacy {
  --priv-rail-w: 220px;
  --priv-measure: 34em;
  --priv-dim: rgba(142, 138, 168, 0.72);
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-head {
  position: relative;
  overflow: hidden;
  padding: 48px 0 64px;
}

.page-privacy .privacy-head::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 640px;
  height: 480px;
  background: radial-gradient(circle at 68% 34%, rgba(0, 229, 208, 0.14), transparent 64%);
  transform: rotate(7deg);
  pointer-events: none;
}

.page-privacy .privacy-head-grid {
  position: relative;
  align-items: end;
  row-gap: 40px;
}

.page-privacy .privacy-head-text {
  position: relative;
}

.page-privacy .privacy-head h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 16px 0 0;
  max-width: 15em;
}

.page-privacy .privacy-head .lede {
  margin-top: 20px;
  max-width: 34em;
  color: var(--violet-soft);
}

.page-privacy .privacy-head-figure {
  position: relative;
}

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

/* ---------- 摘要卡片 ---------- */
.page-privacy .privacy-summary-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-privacy .privacy-summary-card {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  padding: 22px 20px 24px;
}

.page-privacy .privacy-summary-key {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
}

.page-privacy .privacy-summary-val {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--violet-soft);
}

/* ---------- 正文骨架：目录 + 条款 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-privacy .privacy-rail {
  position: static;
}

.page-privacy .rail-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.page-privacy .privacy-rail .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-privacy .privacy-rail .rail-link {
  display: inline-block;
  padding: 4px 0;
  font-size: 14px;
  color: var(--violet-soft);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-privacy .privacy-rail .rail-link[aria-current="true"] {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 条款小节 ---------- */
.page-privacy .privacy-article {
  scroll-margin-top: 120px;
}

.page-privacy .privacy-article + .privacy-article {
  margin-top: 12px;
}

.page-privacy .article-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.page-privacy .article-num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  border: 1px solid rgba(242, 169, 59, 0.5);
  border-radius: var(--radius);
  padding: 3px 8px;
}

.page-privacy .article-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-privacy .summary-strip {
  margin: 0 0 22px;
  padding: 14px 20px;
  background: rgba(19, 26, 58, 0.72);
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  transition: border-color 0.24s var(--ease);
}

.page-privacy .summary-strip:hover {
  border-left-color: var(--amber);
}

.page-privacy .privacy-article .prose {
  max-width: var(--priv-measure);
}

.page-privacy .privacy-article .prose p {
  margin: 0 0 1em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--violet-soft);
}

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

/* ---------- 三类信息 ---------- */
.page-privacy .collect-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 28px 0;
}

.page-privacy .collect-item {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.page-privacy .collect-item:first-child {
  border-left-color: var(--cyan);
}

.page-privacy .collect-key {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-privacy .collect-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--violet-soft);
}

.page-privacy .collect-flag {
  display: inline-block;
  margin-top: 12px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--amber);
  border: 1px solid rgba(242, 169, 59, 0.45);
  border-radius: var(--radius);
}

/* ---------- 用途列表 ---------- */
.page-privacy .purpose-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  max-width: 36em;
}

.page-privacy .purpose-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .purpose-key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .purpose-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--violet-soft);
}

/* ---------- 期限列表 ---------- */
.page-privacy .term-list {
  margin: 26px 0 0;
  padding: 0;
  max-width: 36em;
}

.page-privacy .term-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .term-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-privacy .term-val {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--violet-soft);
}

/* ---------- 自查步骤 ---------- */
.page-privacy .review-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  max-width: 36em;
}

.page-privacy .review-step {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .review-step-index {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .review-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--violet-soft);
}

/* ---------- 脚注与动作 ---------- */
.page-privacy .privacy-footnote {
  margin: 28px 0 0;
  padding-left: 12px;
  border-left: 1px solid var(--clay);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--priv-dim);
}

.page-privacy .privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 899px) {
  .page-privacy .privacy-head .col-7,
  .page-privacy .privacy-head .col-5 {
    grid-column: 1 / -1;
  }
}

@media (min-width: 700px) {
  .page-privacy .privacy-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .collect-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .page-privacy .purpose-list li,
  .page-privacy .term-row {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-head {
    padding: 64px 0 88px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--priv-rail-w) minmax(0, 1fr);
    gap: 0;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 104px;
    padding-right: 32px;
    border-right: 1px solid var(--line);
  }

  .page-privacy .privacy-rail .rail-list {
    display: block;
  }

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

  .page-privacy .privacy-rail .rail-link {
    display: block;
  }

  .page-privacy .privacy-articles {
    padding-left: 48px;
  }
}

@media (min-width: 1040px) {
  .page-privacy .privacy-summary-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-privacy .privacy-summary-card:nth-child(even) {
    margin-top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .summary-strip,
  .page-privacy .privacy-rail .rail-link {
    transition: none;
  }
}