.page-privacy {
  --pp-rail: 200px;
  --pp-measure: 780px;
  --pp-rule: rgba(39, 65, 92, 0.2);
  background: var(--paper-100);
  color: var(--ink-900);
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  padding-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  color: var(--steel-400);
}

.page-privacy .privacy-crumb__link {
  color: var(--ink-600);
  text-decoration: none;
  border-bottom: 2px solid var(--ink-600);
  padding-bottom: 1px;
}

.page-privacy .privacy-crumb__link:hover,
.page-privacy .privacy-crumb__link:focus-visible {
  color: var(--signal-orange);
  border-bottom-color: var(--signal-orange);
}

.page-privacy .privacy-crumb__current {
  color: var(--ink-900);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper-000);
  border-top: var(--border-ink);
  border-bottom: 6px solid var(--ink-900);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -70px;
  width: 300px;
  height: 300px;
  background: var(--cyan-glow);
  opacity: 0.18;
  transform: rotate(14deg);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 132px;
  height: 10px;
  background: var(--signal-orange);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 44px;
  padding-bottom: 40px;
}

.page-privacy .privacy-hero__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 20px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-glow);
}

.page-privacy .privacy-hero__title {
  margin: 0 0 20px;
  max-width: 22ch;
  font-size: 30px;
  line-height: 40px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper-000);
}

.page-privacy .privacy-hero__lede {
  margin: 0 0 30px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 30px;
  color: #BFCDDB;
}

.page-privacy .privacy-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink-600);
}

.page-privacy .privacy-hero__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--ink-600);
  font-size: 14px;
  line-height: 24px;
  color: #D7E1EA;
}

.page-privacy .privacy-hero__meta .mono {
  flex: none;
  min-width: 92px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-index);
}

/* ---------- 首图 ---------- */
.page-privacy .privacy-figure {
  margin: 32px 0 0;
  background: var(--paper-000);
  border: var(--border-ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-privacy .privacy-figure figcaption {
  padding: 12px 16px;
  border-top: 2px solid var(--ink-900);
  background: var(--paper-100);
  font-size: 13px;
  line-height: 22px;
  color: var(--ink-600);
}

/* ---------- 主体骨架 ---------- */
.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 40px;
  padding-bottom: 72px;
}

.page-privacy .privacy-shell > * {
  min-width: 0;
}

/* ---------- 索引轨 ---------- */
.page-privacy .privacy-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 18px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel-400);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0 0 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  border: 2px solid var(--ink-600);
  border-radius: var(--radius);
  background: var(--paper-000);
  color: var(--ink-700);
  font-size: 14px;
  line-height: 22px;
  text-decoration: none;
  white-space: nowrap;
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  border-color: var(--ink-900);
  color: var(--ink-900);
}

.page-privacy .privacy-rail__link[data-current="true"] {
  border-color: var(--ink-900);
  background: var(--ink-900);
  color: var(--paper-000);
  box-shadow: var(--shadow-hard-sm);
}

.page-privacy .privacy-rail__no {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  color: var(--signal-orange);
}

.page-privacy .privacy-rail__link[data-current="true"] .privacy-rail__no {
  color: var(--amber-index);
}

.page-privacy .privacy-rail__note {
  display: none;
  margin: 0;
  padding: 12px 14px;
  border-left: 3px solid var(--amber-index);
  background: var(--paper-000);
  font-size: 13px;
  line-height: 22px;
  color: var(--ink-600);
}

/* ---------- 摘要开关 ---------- */
.page-privacy .privacy-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
  padding: 10px 16px;
  border: var(--border-ink);
  border-radius: var(--radius);
  background: var(--paper-000);
  box-shadow: var(--shadow-hard-sm);
  color: var(--ink-900);
  font-size: 14px;
  line-height: 22px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.page-privacy .privacy-switch::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: none;
  background: var(--signal-orange);
  border-radius: 1px;
}

.page-privacy .privacy-switch__off {
  display: none;
}

.page-privacy .privacy-flow__toggle:checked ~ .privacy-switch .privacy-switch__on {
  display: none;
}

.page-privacy .privacy-flow__toggle:checked ~ .privacy-switch .privacy-switch__off {
  display: inline;
}

.page-privacy .privacy-flow__toggle:focus-visible ~ .privacy-switch {
  outline: 3px solid var(--cyan-glow);
  outline-offset: 3px;
}

.page-privacy .privacy-flow__toggle:checked ~ .privacy-sec .privacy-sec__body {
  display: none;
}

/* ---------- 分节 ---------- */
.page-privacy .privacy-sec {
  padding-top: 26px;
  margin-bottom: 46px;
  border-top: 2px solid var(--ink-900);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-sec:last-of-type {
  margin-bottom: 0;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
  max-width: var(--pp-measure);
}

.page-privacy .privacy-sec__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  font-weight: 700;
  color: var(--signal-orange);
  border-bottom: 2px solid var(--signal-orange);
  padding-bottom: 1px;
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-size: 20px;
  line-height: 30px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-privacy .privacy-sec__body {
  max-width: var(--pp-measure);
  padding-left: 16px;
  border-left: 2px solid var(--ink-600);
  font-size: 16px;
  line-height: 30px;
  color: var(--ink-700);
}

.page-privacy .privacy-sec__body p {
  margin: 0 0 16px;
}

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

.page-privacy .privacy-inline-link {
  color: var(--ink-900);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--cyan-glow);
  padding-bottom: 1px;
}

.page-privacy .privacy-inline-link:hover,
.page-privacy .privacy-inline-link:focus-visible {
  border-bottom-color: var(--signal-orange);
  color: var(--signal-orange);
}

/* ---------- 场景行 ---------- */
.page-privacy .privacy-rows {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-rows li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 16px;
  background: var(--paper-000);
  border-left: 4px solid var(--cyan-glow);
  border-bottom: 1px solid var(--pp-rule);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-privacy .privacy-rows__key {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-900);
}

.page-privacy .privacy-rows__text {
  font-size: 15px;
  line-height: 27px;
  color: var(--ink-700);
}

/* ---------- 期限表 ---------- */
.page-privacy .privacy-terms {
  margin: 0 0 16px;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.page-privacy .privacy-terms__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pp-rule);
}

.page-privacy .privacy-terms dt {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 22px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-privacy .privacy-terms dd {
  margin: 0;
  font-size: 15px;
  line-height: 27px;
  color: var(--ink-700);
}

.page-privacy .privacy-terms dd .mono {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--signal-orange);
  border-bottom: 2px solid var(--signal-orange);
  padding-bottom: 1px;
}

/* ---------- 步骤 ---------- */
.page-privacy .privacy-steps {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-privacy .privacy-steps__no {
  display: block;
  padding: 6px 0;
  text-align: center;
  background: var(--ink-900);
  color: var(--signal-orange);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  font-weight: 700;
}

.page-privacy .privacy-steps__text {
  font-size: 15px;
  line-height: 27px;
  color: var(--ink-700);
}

/* ---------- 小结 ---------- */
.page-privacy .privacy-sec__key {
  max-width: var(--pp-measure);
  margin: 20px 0 0;
  padding: 15px 18px;
  background: var(--ink-900);
  color: var(--paper-000);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 27px;
  font-weight: 700;
}

.page-privacy .privacy-sec__key-tag {
  display: inline-block;
  margin-right: 10px;
  padding: 1px 7px;
  background: var(--signal-orange);
  color: var(--ink-900);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 19px;
  letter-spacing: 0.1em;
  vertical-align: 1px;
}

/* ---------- 联系渠道 ---------- */
.page-privacy .privacy-channels {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-channels__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 16px;
  background: var(--paper-000);
  border: 2px solid var(--ink-900);
  border-radius: var(--radius);
}

.page-privacy .privacy-channels__label {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 20px;
  letter-spacing: 0.08em;
  color: var(--steel-400);
}

.page-privacy .privacy-channels__value {
  font-size: 15px;
  line-height: 26px;
  font-weight: 600;
  color: var(--ink-900);
  word-break: break-word;
}

.page-privacy .privacy-channels__value.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-channels .copy-btn {
  justify-self: start;
  margin-top: 4px;
  padding: 7px 14px;
  border: var(--border-ink);
  border-radius: var(--radius);
  background: var(--signal-orange);
  color: var(--ink-900);
  font-family: var(--font-cn);
  font-size: 13px;
  line-height: 20px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-hard-sm);
}

.page-privacy .privacy-channels .copy-btn:hover {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--ink-900);
}

.page-privacy .privacy-channels .copy-btn[data-copy-state="copied"] {
  background: var(--green-ok);
  color: var(--paper-000);
  border-color: var(--green-ok);
}

.page-privacy .privacy-tip {
  margin: 0;
  padding: 14px 16px;
  background: var(--paper-000);
  border-left: 4px solid var(--amber-index);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  line-height: 26px;
  color: var(--ink-600);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .to-top {
  display: none;
}

.page-privacy .to-top[data-visible="true"] {
  display: block;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-hero__inner {
    padding-top: 60px;
    padding-bottom: 54px;
  }

  .page-privacy .privacy-hero__title {
    max-width: 24ch;
    font-size: 38px;
    line-height: 50px;
  }

  .page-privacy .privacy-rows li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-privacy .privacy-terms__item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 22px;
  }

  .page-privacy .privacy-channels__item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 8px 22px;
    align-items: center;
  }

  .page-privacy .privacy-channels__label {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-channels__value {
    grid-column: 2;
    grid-row: 1;
  }

  .page-privacy .privacy-channels .copy-btn {
    grid-column: 2;
    grid-row: 2;
  }

  .page-privacy .privacy-sec__body {
    padding-left: 22px;
  }
}

/* ---------- 桌面：左索引轨 + 右正文 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-shell {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: 48px;
    padding-top: 52px;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-privacy .privacy-rail__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    margin-bottom: 20px;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail__link {
    border: none;
    border-left: 3px solid transparent;
    border-radius: 0 var(--radius) var(--radius) 0;
    background: transparent;
    white-space: normal;
    padding: 9px 12px;
  }

  .page-privacy .privacy-rail__link[data-current="true"] {
    border-left-color: var(--signal-orange);
    background: var(--paper-000);
    color: var(--ink-900);
    box-shadow: none;
    font-weight: 600;
  }

  .page-privacy .privacy-rail__link[data-current="true"] .privacy-rail__no {
    color: var(--signal-orange);
  }

  .page-privacy .privacy-rail__note {
    display: block;
  }

  .page-privacy .privacy-sec__title {
    font-size: 22px;
    line-height: 32px;
  }

  .page-privacy .privacy-hero__title {
    max-width: 26ch;
  }
}

/* ---------- 大屏微调 ---------- */
@media (min-width: 1200px) {
  .page-privacy {
    --pp-rail: 216px;
  }

  .page-privacy .privacy-hero__title {
    font-size: 44px;
    line-height: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-channels .copy-btn {
    transition: none;
  }
}