.page-privacy {
  --pv-rail: 176px;
  --pv-aside: 252px;
  --pv-pad: clamp(16px, 4vw, 32px);
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-privacy .pv-hero {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-privacy .pv-hero__body {
  max-width: 44rem;
}

.page-privacy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(38px, 7.6vw, 76px);
  line-height: 1.03;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-privacy .pv-hero__lede {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pv-hero__key {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero__key li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
  border: 1px solid var(--line);
  background: rgba(17, 46, 36, 0.55);
  padding: 6px 10px;
}

.page-privacy .pv-hero__band {
  position: relative;
  margin-top: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
}

.page-privacy .pv-hero__band img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.02);
}

.page-privacy .pv-hero__band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(6, 19, 15, 0.72), rgba(6, 19, 15, 0.05) 48%, rgba(6, 19, 15, 0.6)),
    repeating-linear-gradient(0deg, rgba(56, 242, 208, 0.09) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(90deg, rgba(56, 242, 208, 0.09) 0 1px, transparent 1px 42px);
}

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  padding-top: clamp(32px, 5vw, 60px);
}

/* 章节轨道：移动端为横向标签条 */
.page-privacy .pv-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-privacy .pv-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pv-rail__list li {
  flex: none;
}

.page-privacy .pv-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: rgba(17, 46, 36, 0.5);
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t), border-color var(--t), background var(--t), transform var(--t);
}

.page-privacy .pv-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-privacy .pv-rail__list a:hover,
.page-privacy .pv-rail__list a:focus-visible {
  color: var(--paper);
  border-color: var(--cyan);
  background: rgba(56, 242, 208, 0.09);
  transform: translateX(2px);
  outline: none;
}

.page-privacy .pv-rail__note {
  display: none;
  margin-top: 22px;
  padding: 14px 14px 16px;
  border: 1px dashed var(--line);
  background: rgba(6, 19, 15, 0.5);
}

.page-privacy .pv-rail__note p {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-privacy .pv-rail__note a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.45);
  transition: color var(--t), border-color var(--t);
}

.page-privacy .pv-rail__note a:hover,
.page-privacy .pv-rail__note a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* 正文长文 */
.page-privacy .pv-doc {
  display: grid;
  gap: clamp(26px, 3.6vw, 42px);
  min-width: 0;
}

.page-privacy .pv-sec {
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 2.6vw, 26px);
  scroll-margin-top: 88px;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 3px 7px;
}

.page-privacy .pv-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(23px, 3.4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .pv-doc p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(233, 241, 236, 0.84);
}

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

/* 信息卡片 */
.page-privacy .pv-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
}

.page-privacy .pv-card {
  position: relative;
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-privacy .pv-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .pv-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-privacy .pv-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

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

.page-privacy .pv-steps li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .pv-steps li:first-child {
  padding-top: 4px;
}

.page-privacy .pv-steps__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  padding-top: 3px;
}

.page-privacy .pv-steps h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .pv-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* 联系方式 */
.page-privacy .pv-contact {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-privacy .pv-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(30, 74, 58, 0.7);
}

.page-privacy .pv-contact__row:last-child {
  border-bottom: 0;
}

.page-privacy .pv-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .pv-contact__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .pv-tip {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .pv-next {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* 侧边摘要卡 */
.page-privacy .pv-summary {
  min-width: 0;
}

.page-privacy .pv-summary__card {
  padding: 18px 16px 20px;
}

.page-privacy .pv-summary__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-summary__list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 11px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .pv-summary__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  opacity: 0.8;
}

.page-privacy .pv-summary__list li:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-summary__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.45);
  transition: color var(--t), border-color var(--t);
}

.page-privacy .pv-summary__link:hover,
.page-privacy .pv-summary__link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

@media (min-width: 560px) {
  .page-privacy .pv-cards {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  }

  .page-privacy .pv-contact__row {
    grid-template-columns: 132px 1fr;
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 720px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-privacy .pv-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .pv-rail__list li {
    margin-bottom: 2px;
  }

  .page-privacy .pv-rail__list a {
    border: 0;
    border-left: 1px solid var(--line);
    background: transparent;
    padding: 9px 10px 9px 12px;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .pv-rail__list a:hover,
  .page-privacy .pv-rail__list a:focus-visible {
    transform: translateX(3px);
  }

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

  .page-privacy .pv-summary {
    display: block;
  }
}

@media (min-width: 1080px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr) var(--pv-aside);
    gap: clamp(28px, 3vw, 46px);
  }

  .page-privacy .pv-summary {
    position: sticky;
    top: 24px;
    align-self: start;
  }
}

@media (max-width: 719px) {
  .page-privacy .pv-summary {
    margin-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-rail__list a,
  .page-privacy .pv-summary__link,
  .page-privacy .pv-rail__note a {
    transition: none;
  }

  .page-privacy .pv-rail__list a:hover,
  .page-privacy .pv-rail__list a:focus-visible {
    transform: none;
  }
}

@media print {
  .page-privacy .pv-rail,
  .page-privacy .pv-summary,
  .page-privacy .pv-next,
  .page-privacy .pv-hero__band {
    display: none;
  }

  .page-privacy .pv-layout {
    display: block;
    padding-top: 12px;
  }

  .page-privacy .pv-sec,
  .page-privacy .pv-card,
  .page-privacy .pv-contact {
    break-inside: avoid;
  }
}