.page-privacy {
  --pv-prose: 720px;
  --pv-accent: var(--amber);
  --pv-ink-soft: #26374a;
  background: var(--ink-900);
  color: var(--mist);
  font-family: var(--font-sans);
}

.page-privacy .pv-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px 72px;
}

/* 首屏 */
.page-privacy .pv-hero {
  padding-bottom: 8px;
}

.page-privacy .pv-hero__title {
  margin: 16px 0 0;
  font-size: clamp(30px, 8vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--white-cool);
  max-width: 16em;
}

.page-privacy .pv-hero__lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-privacy .pv-hero__tags li {
  font-size: 12px;
  line-height: 1;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--mist);
}

.page-privacy .pv-hero__figure {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
}

.page-privacy .pv-hero__figure img {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
  opacity: 0.82;
  filter: saturate(0.75) contrast(1.05);
}

/* 章节轨道 + 正文 */
.page-privacy .pv-body {
  margin-top: 32px;
}

.page-privacy .pv-rail {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.page-privacy .pv-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gravel);
}

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

.page-privacy .pv-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 13px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-privacy .pv-rail__link:hover,
.page-privacy .pv-rail__link:focus-visible {
  border-color: var(--amber);
  color: var(--white-cool);
}

.page-privacy .pv-rail__link:hover .pv-rail__no,
.page-privacy .pv-rail__link:focus-visible .pv-rail__no {
  color: var(--amber);
}

.page-privacy .pv-content {
  margin-top: 8px;
  max-width: var(--pv-prose);
}

/* 章节 */
.page-privacy .pv-section {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.page-privacy .pv-section:target {
  border-top-color: rgba(242, 178, 51, 0.45);
}

.page-privacy .pv-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-privacy .pv-section__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  flex: none;
}

.page-privacy .pv-section__title {
  margin: 0;
  font-size: clamp(21px, 5vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--white-cool);
}

.page-privacy .pv-text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .pv-text--dark {
  color: var(--pv-ink-soft);
}

/* 四类信息 */
.page-privacy .pv-items {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-privacy .pv-item {
  padding: 0 0 0 16px;
  margin-bottom: 22px;
  border-left: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .pv-item:hover {
  border-left-color: var(--amber);
}

.page-privacy .pv-item__name {
  margin: 0 0 6px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--white-cool);
}

.page-privacy .pv-item__no {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--gravel);
}

.page-privacy .pv-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* 用途对应 */
.page-privacy .pv-uses {
  margin: 22px 0 0;
}

.page-privacy .pv-use {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-use__k {
  font-size: 14px;
  font-weight: 600;
  color: var(--white-cool);
  margin: 0 0 6px;
}

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

/* 浅色分区块：本地存储与 cookie */
.page-privacy .pv-section--light {
  border-top: 0;
  background: var(--white-cool);
  color: var(--pv-ink-soft);
  padding: 28px 18px;
  margin: 32px 0;
  border-radius: 2px;
}

.page-privacy .pv-section--light .pv-section__no {
  color: #8a6100;
}

.page-privacy .pv-section--light .pv-section__title {
  color: var(--ink-900);
}

.page-privacy .pv-store {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-privacy .pv-store__card {
  background: var(--white-paper);
  border: 1px solid rgba(10, 20, 34, 0.12);
  border-radius: 2px;
  padding: 16px 16px 14px;
}

.page-privacy .pv-store__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: #8a6100;
}

.page-privacy .pv-store__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-store__list li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pv-ink-soft);
}

.page-privacy .pv-store__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  background: var(--green);
  border-radius: 50%;
}

.page-privacy .pv-store__after {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px solid rgba(10, 20, 34, 0.1);
  font-size: 13px;
  line-height: 1.7;
  color: #4a5c6d;
}

/* 保存期限 */
.page-privacy .pv-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-privacy .pv-step {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-step__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gravel);
  padding-top: 3px;
}

.page-privacy .pv-step__t {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white-cool);
}

.page-privacy .pv-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* 权利折叠 */
.page-privacy .pv-acc {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-acc__item {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-acc__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 17px 0;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--white-cool);
  transition: color var(--dur) var(--ease);
}

.page-privacy .pv-acc__item summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-acc__item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
}

.page-privacy .pv-acc__item[open] summary::after {
  content: "−";
}

.page-privacy .pv-acc__item summary:hover,
.page-privacy .pv-acc__item summary:focus-visible {
  color: var(--amber-soft);
}

.page-privacy .pv-acc__item p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 34em;
}

.page-privacy .pv-contact-line {
  margin: 26px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  word-break: break-word;
}

/* 相关内容展签 */
.page-privacy .pv-next {
  display: grid;
  gap: 10px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-next__card {
  display: block;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  text-decoration: none;
  color: var(--mist);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pv-next__card:hover,
.page-privacy .pv-next__card:focus-visible {
  border-color: var(--amber);
  background: var(--ink-800);
}

.page-privacy .pv-next__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gravel);
  margin-bottom: 8px;
}

.page-privacy .pv-next__t {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--white-cool);
  margin-bottom: 4px;
}

.page-privacy .pv-next__d {
  display: block;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .pv-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 10px 0;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-top:hover,
.page-privacy .pv-top:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-privacy .pv-top span {
  font-family: var(--font-mono);
}

.page-privacy .pv-text a,
.page-privacy .pv-acc__item a {
  color: var(--amber-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 178, 51, 0.35);
}

.page-privacy .pv-text a:hover,
.page-privacy .pv-acc__item a:hover {
  border-bottom-color: var(--amber);
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-privacy .pv-shell {
    padding: 44px 48px 96px;
  }

  .page-privacy .pv-hero__figure img {
    height: 240px;
  }

  .page-privacy .pv-body {
    display: grid;
    grid-template-columns: 176px minmax(0, var(--pv-prose));
    gap: 56px;
    margin-top: 44px;
    align-items: start;
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: 28px;
    border-top: 0;
    border-bottom: 0;
    padding: 0;
  }

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

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

  .page-privacy .pv-rail__link {
    display: flex;
    width: 100%;
    padding: 7px 0 7px 14px;
    border: 0;
    border-left: 1px solid var(--line);
    border-radius: 0;
    font-size: 13px;
  }

  .page-privacy .pv-rail__link:hover,
  .page-privacy .pv-rail__link:focus-visible {
    border-left-color: var(--amber);
  }

  .page-privacy .pv-content {
    margin-top: 0;
  }

  .page-privacy .pv-section {
    padding: 48px 0;
  }

  .page-privacy .pv-section:first-child {
    border-top: 0;
    padding-top: 4px;
  }

  .page-privacy .pv-section--light {
    padding: 36px 32px;
    margin: 40px 0;
  }

  .page-privacy .pv-store {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .page-privacy .pv-use {
    display: grid;
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .pv-use__k {
    margin: 0;
  }

  .page-privacy .pv-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .js-reveal {
    opacity: 1;
    transform: none;
  }
}

/* 打印：只留正文 */
@media print {
  .page-privacy {
    background: #ffffff;
    color: #14202c;
  }

  .page-privacy .pv-shell {
    max-width: none;
    padding: 0;
  }

  .page-privacy .pv-hero__figure,
  .page-privacy .pv-hero__tags,
  .page-privacy .pv-rail,
  .page-privacy .pv-next,
  .page-privacy .pv-top {
    display: none;
  }

  .page-privacy .pv-hero__title,
  .page-privacy .pv-section__title,
  .page-privacy .pv-item__name,
  .page-privacy .pv-step__t,
  .page-privacy .pv-use__k,
  .page-privacy .pv-acc__item summary {
    color: #0a1422;
  }

  .page-privacy .pv-text,
  .page-privacy .pv-item p,
  .page-privacy .pv-step__body p,
  .page-privacy .pv-use__v,
  .page-privacy .pv-acc__item p,
  .page-privacy .pv-contact-line {
    color: #1e2e44;
  }

  .page-privacy .pv-section,
  .page-privacy .pv-step,
  .page-privacy .pv-acc__item {
    border-color: #c3cdd6;
    page-break-inside: avoid;
  }

  .page-privacy .pv-section--light {
    background: #ffffff;
    border: 1px solid #c3cdd6;
  }

  .page-privacy .pv-store__card {
    border-color: #c3cdd6;
  }

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