.page-privacy {
  display: block;
  background: var(--ink-900);
  color: var(--paper);
}

.page-privacy .privacy-hero {
  padding-block: clamp(26px, 4.5vw, 52px) clamp(30px, 5vw, 60px);
}

.page-privacy .privacy-hero .breadcrumbs {
  margin-bottom: clamp(22px, 3.5vw, 40px);
}

.page-privacy .privacy-title {
  max-width: 18em;
  margin: 10px 0 0;
  font-size: clamp(1.9rem, 5.4vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-lede {
  margin-top: clamp(14px, 2.4vw, 22px);
  max-width: 34em;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
}

.page-privacy .privacy-banner {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border: 1px solid var(--line-copper);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink-850);
}

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

.page-privacy .privacy-doc-band {
  padding-block: clamp(30px, 5vw, 64px) clamp(46px, 7vw, 92px);
}

/* ---------- 左侧索引 ---------- */

.page-privacy .privacy-index {
  align-self: start;
}

.page-privacy .privacy-index__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--muted);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--line-soft);
}

.page-privacy .privacy-index__link {
  display: block;
  padding: 8px 12px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}

.page-privacy .privacy-index__link:hover {
  color: var(--paper);
  border-left-color: var(--line-copper-strong);
}

.page-privacy .privacy-index__link[aria-current="true"] {
  color: var(--paper);
  border-left-color: var(--jade);
  background: rgba(47, 183, 155, 0.08);
}

.page-privacy .privacy-index__note {
  margin: 16px 0 0;
  padding-left: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--line-copper);
}

/* ---------- 正文 ---------- */

.page-privacy .privacy-body {
  max-width: 40em;
}

.page-privacy .privacy-body .prose,
.page-privacy .privacy-body p,
.page-privacy .privacy-body li {
  max-width: 34em;
}

.page-privacy .privacy-sec {
  scroll-margin-top: 108px;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-privacy .privacy-sec__btn {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  margin: 0;
  padding: 18px 0 12px;
  background: none;
  border: 0;
  border-top: 1px solid var(--line-copper);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--t-fast);
}

.page-privacy .privacy-sec__btn:hover {
  border-top-color: var(--line-copper-strong);
}

.page-privacy .privacy-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--copper);
}

.page-privacy .privacy-sec__text {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(1.14rem, 2.2vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: 0;
  color: var(--paper);
}

.page-privacy .privacy-sec__btn .collapse__sign {
  flex: none;
  align-self: center;
  color: var(--copper);
}

.page-privacy .privacy-claim {
  margin: 0 0 20px;
  padding: 12px 16px;
  border-left: 2px solid var(--copper);
  background: rgba(200, 155, 74, 0.08);
  color: var(--paper);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.7;
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  background: var(--copper);
  opacity: 0.85;
}

.page-privacy .privacy-term {
  color: var(--paper);
  font-weight: 600;
}

.page-privacy .privacy-term::after {
  content: " · ";
  color: var(--copper);
  font-weight: 400;
}

/* ---------- 联系块 ---------- */

.page-privacy .privacy-contact {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: 4px 0 22px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  overflow: hidden;
}

.page-privacy .privacy-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px 16px;
  background: var(--ink-850);
}

.page-privacy .privacy-contact__label {
  flex: none;
  width: 5.5em;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--copper);
}

.page-privacy .privacy-contact__value {
  flex: 1 1 12em;
  min-width: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

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

.page-privacy .privacy-contact .copy-btn {
  flex: none;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}

.page-privacy .privacy-contact .copy-btn:hover {
  color: var(--jade);
  border-color: var(--jade);
}

.page-privacy .privacy-tail {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-tail a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-copper-strong);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-privacy .privacy-tail a:hover {
  color: var(--cinnabar-hi);
  border-bottom-color: var(--cinnabar-hi);
}

/* ---------- 响应式 ---------- */

@media (max-width: 767px) {
  .page-privacy .privacy-index {
    margin-bottom: clamp(20px, 5vw, 32px);
  }

  .page-privacy .privacy-index__list {
    flex-direction: row;
    gap: 6px;
    border-left: 0;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .page-privacy .privacy-index__link {
    white-space: nowrap;
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: 7px 10px;
    background: var(--glass);
  }

  .page-privacy .privacy-index__link[aria-current="true"] {
    border-bottom-color: var(--jade);
    border-left-color: transparent;
  }

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

  .page-privacy .privacy-sec {
    scroll-margin-top: 72px;
  }

  .page-privacy .privacy-contact__label {
    width: auto;
  }
}

@media (min-width: 768px) {
  .page-privacy .privacy-index {
    position: sticky;
    top: 108px;
  }

  .page-privacy .privacy-sec__btn {
    padding-top: 22px;
  }
}