.page-privacy {
  --pr-gap: clamp(22px, 4vw, 44px);
  background: var(--night);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 104px);
}

/* ---------- 封面 ---------- */
.page-privacy .privacy-cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-cover__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-privacy .privacy-cover__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.36;
}

.page-privacy .privacy-cover__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(58% 52% at 80% 10%, rgba(242, 169, 59, 0.22), transparent 70%),
    radial-gradient(46% 48% at 10% 90%, rgba(56, 225, 208, 0.12), transparent 72%),
    linear-gradient(180deg, rgba(7, 9, 12, 0.44) 0%, rgba(7, 9, 12, 0.9) 58%, var(--night) 100%);
}

.page-privacy .privacy-cover__inner {
  padding: clamp(60px, 13vw, 148px) 0 clamp(44px, 8vw, 88px);
}

.page-privacy .privacy-tag {
  display: inline-block;
  margin: 26px 0 0;
  padding: 6px 14px;
  border: 1px solid var(--gold-line);
  border-radius: 999px;
  background: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-privacy .privacy-cover h1 {
  margin: 22px 0 0;
  font-size: var(--step-cover);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 18ch;
}

.page-privacy .privacy-cover__sub {
  display: block;
  margin-top: 14px;
  font-size: clamp(1.05rem, 2.4vw, 1.6rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0;
  color: var(--gold);
}

.page-privacy .privacy-lede {
  margin: 26px 0 0;
  max-width: 60ch;
  color: var(--silver);
  font-size: var(--step-body);
  line-height: 1.85;
}

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

/* ---------- 主体栅格 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  gap: var(--pr-gap);
  padding-top: clamp(38px, 7vw, 76px);
}

/* ---------- 左侧索引轨道 ---------- */
.page-privacy .privacy-rail {
  border-left: 1px solid var(--hair);
  padding-left: 16px;
}

.page-privacy .privacy-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-rail__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--silver);
  font-size: 0.86rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .privacy-rail__link .num {
  font-size: 0.7rem;
  color: var(--gold-deep);
  flex: none;
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--paper);
  background: var(--gold-soft);
  border-left-color: var(--gold);
}

.page-privacy .privacy-rail__back {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-decoration: none;
}

.page-privacy .privacy-rail__back:hover,
.page-privacy .privacy-rail__back:focus-visible {
  color: var(--gold-lift);
}

/* ---------- 正文栏 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(42px, 7vw, 86px);
  max-width: 76ch;
}

.page-privacy .privacy-section {
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-privacy .privacy-section__head {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
}

.page-privacy .privacy-section__head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-line), transparent 86%);
  transform: translateY(-4px);
}

.page-privacy .privacy-section__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  flex: none;
}

.page-privacy .privacy-section h2 {
  margin: 0;
  font-size: clamp(1.28rem, 2.6vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.28;
  color: var(--paper);
}

.page-privacy .privacy-section .prose {
  margin-top: 22px;
  color: var(--silver);
}

.page-privacy .privacy-section .prose p {
  margin: 0 0 16px;
  font-size: var(--step-body);
  line-height: 1.85;
}

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

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-facts--tight {
  margin-top: 22px;
}

.page-privacy .privacy-fact {
  position: relative;
  padding: 18px 20px 18px 24px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(16, 20, 26, 0.94), rgba(16, 20, 26, 0.58));
}

.page-privacy .privacy-fact::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(242, 169, 59, 0));
}

.page-privacy .privacy-fact h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-privacy .privacy-fact p {
  margin: 0;
  color: var(--silver);
  font-size: 0.95rem;
  line-height: 1.78;
}

/* ---------- 用途编号列表 ---------- */
.page-privacy .privacy-uses {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-privacy .privacy-uses li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 16px 4px;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-uses li:first-child {
  border-top: 1px solid var(--hair);
}

.page-privacy .privacy-uses__key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--gold-line);
  border-radius: 50%;
  background: var(--gold-soft);
  font-size: 0.76rem;
  color: var(--gold);
}

.page-privacy .privacy-uses__text {
  color: var(--silver);
  font-size: 0.98rem;
  line-height: 1.78;
}

/* ---------- 折叠组 ---------- */
.page-privacy .privacy-expand {
  margin-top: 28px;
  border-top: 1px solid var(--hair);
}

.page-privacy .privacy-expand .expand-item {
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-expand .expand-trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 4px;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.page-privacy .privacy-expand .expand-trigger:hover,
.page-privacy .privacy-expand .expand-trigger:focus-visible {
  color: var(--gold-lift);
}

.page-privacy .privacy-expand .expand-sign {
  flex: none;
  position: relative;
  width: 16px;
  height: 16px;
  color: var(--gold);
}

.page-privacy .privacy-expand .expand-sign::before,
.page-privacy .privacy-expand .expand-sign::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1px;
  background: currentColor;
}

.page-privacy .privacy-expand .expand-sign::after {
  transform: rotate(90deg);
  transition: transform 0.24ms var(--ease);
}

.page-privacy .privacy-expand .expand-trigger[aria-expanded="true"] .expand-sign::after {
  transform: rotate(0deg);
}

.page-privacy .privacy-expand .expand-panel {
  padding: 0 4px 20px;
  color: var(--silver);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-privacy .privacy-expand .expand-panel p {
  margin: 0;
}

/* ---------- 提示块 ---------- */
.page-privacy .privacy-note {
  margin-top: 26px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(164, 107, 255, 0.28);
  background: rgba(164, 107, 255, 0.07);
}

.page-privacy .privacy-note__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-privacy .privacy-note p:last-child {
  margin: 0;
  color: var(--silver);
  font-size: 0.95rem;
  line-height: 1.78;
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-back {
  display: inline-block;
  margin-top: 26px;
  padding: 9px 16px;
  border: 1px solid var(--gold-line);
  border-radius: 999px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .privacy-back:hover,
.page-privacy .privacy-back:focus-visible {
  background: var(--gold);
  color: var(--night);
}

/* ---------- 客服卡片 ---------- */
.page-privacy .privacy-contact {
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(70% 90% at 100% 0%, rgba(242, 169, 59, 0.16), transparent 70%),
    linear-gradient(180deg, rgba(22, 28, 36, 0.96), rgba(16, 20, 26, 0.88));
}

.page-privacy .privacy-contact h2 {
  margin: 12px 0 0;
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-privacy .privacy-contact > p {
  margin: 14px 0 0;
  max-width: 58ch;
  color: var(--silver);
  font-size: 0.98rem;
  line-height: 1.8;
}

.page-privacy .privacy-contact__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-contact__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-contact__list .contact-key {
  min-width: 5.5em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-privacy .privacy-contact__list .contact-value {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  word-break: break-word;
}

.page-privacy .privacy-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 880px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(176px, 224px) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 96px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 30px);
  }

  .page-privacy .privacy-cover__inner {
    padding-right: 18%;
  }

  .page-privacy .privacy-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-privacy .privacy-facts--tight {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 520px) {
  .page-privacy .privacy-cover__actions .btn,
  .page-privacy .privacy-contact__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-privacy .privacy-uses li {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-back,
  .page-privacy .privacy-expand .expand-sign::after {
    transition: none;
  }
}