.page-privacy {
  --pv-rule: rgba(212, 160, 23, .34);
  --pv-rail: 212px;
  padding-bottom: clamp(56px, 9vw, 108px);
}

/* —— 页头 —— */
.page-privacy .pv-head {
  position: relative;
  padding: clamp(30px, 5vw, 58px) 0 clamp(24px, 4vw, 42px);
}

.page-privacy .pv-head::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: clamp(24px, 3.5vw, 40px);
  background: linear-gradient(90deg, var(--gold) 0%, rgba(212, 160, 23, 0) 72%);
}

.page-privacy .pv-head h1 {
  margin: 14px 0 18px;
  max-width: 17ch;
  font-family: var(--font-display);
  font-size: clamp(31px, 5.4vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: .005em;
  color: var(--ink);
}

.page-privacy .pv-head__lede {
  max-width: 640px;
  margin: 0;
  font-size: clamp(16px, 1.5vw, 17.5px);
  line-height: 1.88;
  color: var(--slate);
}

.page-privacy .pv-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-head__meta li {
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--paper-raised);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--slate);
}

/* —— 布局 —— */
.page-privacy .pv-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(26px, 4vw, 44px);
}

.page-privacy .pv-toc {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-toc__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-privacy .index-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .index-rail__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--paper-raised);
  font-size: 13px;
  line-height: 1.4;
  color: var(--slate);
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .index-rail__link:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

.page-privacy .index-rail__link.is-active {
  color: var(--ink);
  border-color: var(--gold);
  background: rgba(212, 160, 23, .13);
}

.page-privacy .index-rail__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--gold-deep);
}

.page-privacy .pv-body {
  min-width: 0;
}

/* —— 章节 —— */
.page-privacy .pv-section {
  padding: clamp(26px, 3.6vw, 42px) 0;
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: 118px;
}

.page-privacy .pv-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pv-section h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.7vw, 29px);
  font-weight: 600;
  line-height: 1.32;
  color: var(--ink);
}

.page-privacy .pv-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold-deep);
}

.page-privacy .pv-body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.88;
  color: var(--ink);
}

.page-privacy .pv-body p:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-body strong {
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .pv-link {
  color: var(--blue-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .pv-link:hover {
  color: var(--blue);
}

.page-privacy .pv-code {
  padding: 1px 7px;
  border-radius: var(--radius-sm);
  background: rgba(46, 155, 255, .12);
  font-family: var(--font-mono);
  font-size: .93em;
  letter-spacing: .01em;
  color: var(--ink);
  word-break: break-all;
}

/* —— 列表 —— */
.page-privacy .pv-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

/* —— 表格 —— */
.page-privacy .pv-table-wrap {
  margin: 6px 0 20px;
  overflow-x: auto;
}

.page-privacy .pv-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.72;
  letter-spacing: .01em;
}

.page-privacy .pv-table caption {
  caption-side: top;
  padding: 0 0 9px;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-privacy .pv-table th {
  padding: 9px 10px 9px 0;
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  border-bottom: 1px solid var(--gold);
}

.page-privacy .pv-table td {
  padding: 12px 10px 12px 0;
  vertical-align: top;
  color: var(--slate);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-table td:first-child {
  color: var(--ink);
  font-weight: 600;
}

.page-privacy .pv-table tr:last-child td {
  border-bottom: 1px solid var(--line-strong);
}

/* —— 图版 —— */
.page-privacy .pv-figure {
  margin: 4px 0 24px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(150deg, var(--night) 0%, #2b2745 100%);
}

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

.page-privacy .pv-figure figcaption {
  padding: 12px 18px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: rgba(199, 205, 212, .92);
}

/* —— 使用目的 —— */
.page-privacy .pv-purpose {
  display: grid;
  gap: 16px;
  margin: 4px 0 0;
}

.page-privacy .pv-purpose__item {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 4px var(--radius) var(--radius) 4px;
  background: var(--paper-raised);
}

.page-privacy .pv-purpose__item:nth-child(2) {
  border-left-color: var(--violet);
}

.page-privacy .pv-purpose__item:nth-child(3) {
  border-left-color: var(--blue);
}

.page-privacy .pv-purpose__item:nth-child(4) {
  border-left-color: var(--red);
}

.page-privacy .pv-purpose__item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-privacy .pv-purpose__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

/* —— 术语注解 —— */
.page-privacy .pv-term {
  margin: 18px 0;
  padding: 12px 16px;
  border-left: 3px solid var(--violet);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(123, 77, 255, .07);
  font-size: 14.5px;
}

.page-privacy .pv-term summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  font-weight: 600;
  color: var(--violet-ink);
  list-style: none;
}

.page-privacy .pv-term summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-term summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--violet);
}

.page-privacy .pv-term[open] summary::after {
  content: "–";
}

.page-privacy .pv-term p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--slate);
}

/* —— 权利申请步骤 —— */
.page-privacy .pv-steps {
  margin: 6px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-privacy .pv-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-privacy .pv-step__num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  background: var(--violet-ink);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-privacy .pv-step p {
  margin: 4px 0 0;
  font-size: 15.5px;
  line-height: 1.84;
  color: var(--ink);
}

.page-privacy .pv-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 4px 0 0;
}

.page-privacy .pv-actions__note {
  flex: 1 1 220px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-privacy .pv-note {
  margin: 22px 0 0;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(199, 205, 212, .18);
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--slate);
}

.page-privacy .pv-note a {
  color: var(--blue-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* —— 桌面栅格 —— */
@media (min-width: 980px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 680px);
    column-gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 108px;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-privacy .index-rail {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .index-rail__link {
    flex: none;
    padding: 8px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    font-size: 13.5px;
    line-height: 1.55;
    white-space: normal;
  }

  .page-privacy .index-rail__link:hover {
    background: rgba(199, 205, 212, .2);
  }

  .page-privacy .index-rail__link.is-active {
    border-left-color: var(--gold);
    background: linear-gradient(90deg, rgba(212, 160, 23, .14), rgba(212, 160, 23, 0));
  }

  .page-privacy .pv-section {
    scroll-margin-top: 132px;
  }
}

/* —— 中等屏两列表格挤不开时放宽留白 —— */
@media (min-width: 640px) {
  .page-privacy .pv-table th,
  .page-privacy .pv-table td {
    padding-right: 18px;
  }
}

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