.page-privacy {
  --pv-measure: 40rem;
  --pv-rail: 178px;
  background: var(--mist);
  color: var(--ink);
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 首屏：窄版心叙事 ---------- */
.page-privacy .privacy-intro {
  max-width: 46rem;
  padding-block: clamp(26px, 5vw, 48px) clamp(16px, 3vw, 28px);
}

.page-privacy .privacy-intro .breadcrumb {
  margin-bottom: 18px;
}

.page-privacy .privacy-intro h1 {
  margin: 12px 0 0;
  font-size: clamp(34px, 6.2vw, 62px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-privacy .privacy-lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.85;
  color: var(--graphite);
}

.page-privacy .privacy-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy .meta-key {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--graphite);
}

.page-privacy .meta-val {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-privacy .privacy-meta__item--warm .meta-val {
  color: var(--orange);
}

/* ---------- 顶部抽象线纹 ---------- */
.page-privacy .privacy-band {
  display: block;
  width: min(var(--maxw), calc(100% - var(--gutter) * 2));
  margin: clamp(14px, 3vw, 26px) auto 0;
  padding: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--blue-pale);
}

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

/* ---------- 主体：左轴 + 窄版心长文 ---------- */
.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 34px);
  padding-block: clamp(30px, 5vw, 56px) 0;
}

.page-privacy .privacy-clauses {
  min-width: 0;
}

/* 坐标轴（移动端：横向可滚刻度条） */
.page-privacy .coord-axis {
  display: flex;
  gap: 10px;
  align-items: center;
  overflow-x: auto;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .coord-axis::-webkit-scrollbar {
  display: none;
}

.page-privacy .coord-axis__tick {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: #fff;
  color: var(--graphite);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .coord-axis__tick .tick-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue);
  transition: color 0.18s var(--ease);
}

.page-privacy .coord-axis__tick:hover {
  border-color: var(--blue);
  color: var(--ink);
}

.page-privacy .coord-axis__tick.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.page-privacy .coord-axis__tick.is-active .tick-num {
  color: var(--orange);
}

/* ---------- 条款折叠组 ---------- */
.page-privacy .clause {
  padding-block: clamp(6px, 1.6vw, 14px);
}

.page-privacy .clause + .clause {
  border-top: 1px solid var(--line);
}

.page-privacy .clause-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0 12px;
  list-style: none;
  cursor: pointer;
}

.page-privacy .clause-head::-webkit-details-marker {
  display: none;
}

.page-privacy .clause-head h2 {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(19px, 2.6vw, 25px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .clause-num {
  flex: 0 0 auto;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-privacy .clause-head::after {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--graphite);
}

.page-privacy details[open] > .clause-head::after {
  content: "－";
}

.page-privacy .clause-head:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

.page-privacy .clause-body {
  padding-bottom: 26px;
}

.page-privacy .clause-body p {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--graphite);
}

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

.page-privacy .clause-body strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 分项列表 ---------- */
.page-privacy .plain-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
}

.page-privacy .plain-list li {
  position: relative;
  padding: 14px 18px 14px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: #fff;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-privacy .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 3px;
  border-radius: var(--pill);
  background: var(--blue-pale);
}

.page-privacy .plain-list--warm li::before {
  background: var(--orange-pale);
}

.page-privacy .plain-list li b {
  color: var(--ink);
  font-weight: 600;
}

.page-privacy .plain-list li:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

/* ---------- 收尾：返回联系入口 ---------- */
.page-privacy .privacy-outro {
  margin-top: clamp(34px, 6vw, 60px);
  padding: clamp(26px, 4vw, 40px);
  border-radius: var(--r-lg);
  background: var(--ink);
  color: #fff;
}

.page-privacy .privacy-outro .index-label {
  color: var(--orange);
}

.page-privacy .privacy-outro p {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.76);
}

.page-privacy .privacy-outro strong {
  color: #fff;
  font-weight: 600;
}

.page-privacy .outro-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 22px;
}

.page-privacy .outro-link {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  padding-bottom: 2px;
}

.page-privacy .outro-link:hover {
  color: #fff;
  border-bottom-color: var(--orange);
}

/* ---------- 桌面：左侧细坐标轴 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-grid {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .privacy-clauses {
    max-width: var(--pv-measure);
  }

  .page-privacy .coord-axis {
    position: sticky;
    top: 30px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: visible;
    padding: 2px 0 2px 18px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .coord-axis__tick {
    position: relative;
    padding: 9px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    white-space: normal;
    font-size: 13px;
  }

  .page-privacy .coord-axis__tick::before {
    content: "";
    position: absolute;
    left: -23px;
    top: 50%;
    width: 10px;
    height: 10px;
    margin-top: -5px;
    border: 2px solid var(--line);
    border-radius: 50%;
    background: var(--mist);
    transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
  }

  .page-privacy .coord-axis__tick:hover {
    background: transparent;
    color: var(--ink);
  }

  .page-privacy .coord-axis__tick:hover::before {
    border-color: var(--blue);
  }

  .page-privacy .coord-axis__tick.is-active {
    background: transparent;
    color: var(--ink);
    font-weight: 600;
  }

  .page-privacy .coord-axis__tick.is-active::before {
    background: var(--orange);
    border-color: var(--orange);
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-intro {
    padding-block: clamp(36px, 6vw, 72px) clamp(20px, 3vw, 34px);
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .coord-axis__tick,
  .page-privacy .plain-list li {
    transition: none;
  }

  .page-privacy .plain-list li:hover {
    transform: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #fff;
  }

  .page-privacy .coord-axis,
  .page-privacy .outro-actions {
    display: none;
  }

  .page-privacy .privacy-outro {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
  }

  .page-privacy .privacy-outro p,
  .page-privacy .privacy-outro strong,
  .page-privacy .privacy-outro .index-label {
    color: var(--ink);
  }

  .page-privacy .clause-body {
    display: block !important;
  }

  .page-privacy .clause-head::after {
    display: none;
  }
}