.page-privacy {
  --pr-rail: 72px;
  --pr-line: 2px;
  padding-block: clamp(20px, 4vw, 44px) clamp(56px, 9vw, 104px);
  color: var(--ink);
}

/* 面包屑与页头 */
.page-privacy .breadcrumb {
  margin: 0 0 22px;
}

.page-privacy .privacy-head {
  max-width: 880px;
  padding-bottom: clamp(20px, 3vw, 30px);
  border-bottom: var(--pr-line) solid var(--line);
}

.page-privacy .privacy-head__meta {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .privacy-head .lede {
  max-width: 62ch;
  color: var(--muted);
}

/* 顶部横幅 */
.page-privacy .privacy-banner {
  margin: clamp(24px, 4vw, 40px) 0 0;
  border: var(--pr-line) solid var(--line);
  background: var(--bg-deep);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-privacy .privacy-banner .media__cap {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
}

/* 长文骨架 */
.page-privacy .privacy-doc {
  margin-top: clamp(40px, 6vw, 76px);
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 72px);
  position: relative;
}

.page-privacy .privacy-sec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-privacy .privacy-sec__rail {
  display: flex;
  align-items: center;
}

.page-privacy .privacy-sec__num {
  display: inline-block;
  padding: 5px 12px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--bg);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
  white-space: nowrap;
}

.page-privacy .privacy-sec.is-visible .privacy-sec__num {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* 章节标题：等宽编号 + 短横线 */
.page-privacy .privacy-sec__title {
  margin: 0 0 20px;
  font-size: clamp(21px, 3.2vw, 31px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-sec__title::after {
  content: "";
  display: block;
  width: 44px;
  height: 4px;
  margin-top: 13px;
  background: var(--cyan);
}

.page-privacy .privacy-sec:nth-of-type(2) .privacy-sec__title::after {
  background: var(--magenta);
}

.page-privacy .privacy-sec:nth-of-type(4) .privacy-sec__title::after {
  background: var(--amber);
}

.page-privacy .privacy-sec:nth-of-type(5) .privacy-sec__title::after {
  background: var(--info);
}

.page-privacy .privacy-sec__intro,
.page-privacy .privacy-sec__body > p {
  max-width: 62ch;
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-sec__note {
  max-width: 62ch;
  margin: 22px 0 0;
  padding: 14px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  border-left: 3px solid var(--cyan);
  background: rgba(53, 230, 210, 0.06);
}

/* 唯一的双列结构：收集项对照 */
.page-privacy .collect-table {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 26px;
  border: var(--pr-line) solid var(--line);
  box-shadow: var(--shadow-card);
}

.page-privacy .collect-col {
  padding: clamp(18px, 3vw, 28px);
}

.page-privacy .collect-col--on {
  background: var(--bg-deep);
  border-bottom: var(--pr-line) solid var(--line);
}

.page-privacy .collect-col--off {
  background: var(--mid);
}

.page-privacy .collect-col__title {
  margin: 0 0 18px;
  padding-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.16em;
  border-bottom: 1px solid var(--line);
}

.page-privacy .collect-col--on .collect-col__title {
  color: var(--cyan);
}

.page-privacy .collect-col--off .collect-col__title {
  color: var(--muted);
}

.page-privacy .collect-list {
  margin: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .collect-list dt {
  margin: 0 0 5px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-privacy .collect-list dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}

/* 用途四条 */
.page-privacy .usage-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: var(--pr-line) solid var(--line);
}

.page-privacy .usage-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 0 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .usage-item__num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .usage-item:hover .usage-item__num {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-privacy .usage-item__title {
  margin: 4px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  transition: color 0.18s var(--ease);
}

.page-privacy .usage-item:hover .usage-item__title {
  color: var(--cyan);
}

.page-privacy .usage-item__body p {
  max-width: 58ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 保存与删除 */
.page-privacy .retention-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .retention-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 18px;
  background: var(--bg-deep);
  border-left: 3px solid var(--line);
  transition: border-color 0.18s var(--ease);
}

.page-privacy .retention-list li:hover {
  border-left-color: var(--cyan);
}

.page-privacy .retention-list__key {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .retention-list__val {
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* 本地存储 */
.page-privacy .local-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .local-list li {
  position: relative;
  max-width: 62ch;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .local-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 2px;
  background: var(--info);
}

.page-privacy .local-list__k {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink);
}

/* 未成年人建议 */
.page-privacy .minor-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-privacy .minor-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 0 16px;
  padding: 15px 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
  border-bottom: 1px dashed var(--line);
}

.page-privacy .minor-list__num {
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--amber);
}

/* 联系方式块 */
.page-privacy .contact-block {
  margin: 26px 0 0;
  border: var(--pr-line) solid var(--line);
  background: var(--bg-deep);
  box-shadow: var(--shadow-card);
}

.page-privacy .contact-block__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 20px;
  padding: 16px 20px;
}

.page-privacy .contact-block__row + .contact-block__row {
  border-top: 1px solid var(--line);
}

.page-privacy .contact-block__label {
  min-width: 84px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .contact-block__value {
  font-size: 16px;
  color: var(--ink);
  word-break: break-all;
}

/* 正文链接 */
.page-privacy a:not(.btn):not(.breadcrumb a) {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.35);
  transition: border-color 0.18s var(--ease);
}

.page-privacy a:not(.btn):hover {
  border-bottom-color: var(--cyan);
}

.page-privacy .breadcrumb a {
  border-bottom-color: transparent;
}

/* 收尾 */
.page-privacy .privacy-foot {
  margin-top: clamp(48px, 7vw, 84px);
  padding-top: clamp(24px, 4vw, 36px);
  border-top: var(--pr-line) solid var(--line);
  display: grid;
  gap: 20px;
}

.page-privacy .privacy-foot p {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 桌面端：左侧进度线 + 单列正文 */
@media (min-width: 880px) {
  .page-privacy .privacy-doc::before {
    content: "";
    position: absolute;
    left: 27px;
    top: 26px;
    bottom: 60px;
    width: 2px;
    background: linear-gradient(
      180deg,
      var(--cyan) 0%,
      var(--line) 42%,
      rgba(42, 53, 102, 0) 100%
    );
  }

  .page-privacy .privacy-sec {
    grid-template-columns: var(--pr-rail) minmax(0, 1fr);
    gap: 0 32px;
    align-items: start;
  }

  .page-privacy .privacy-sec__rail {
    align-items: flex-start;
  }

  .page-privacy .privacy-sec__num {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    padding: 0;
  }

  .page-privacy .collect-table {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .collect-col--on {
    border-bottom: 0;
  }

  .page-privacy .collect-col--off {
    border-left: var(--pr-line) solid var(--line);
  }

  .page-privacy .retention-list li {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 0 24px;
    align-items: baseline;
  }

  .page-privacy .privacy-banner {
    margin-top: 44px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-sec {
    gap: 0 56px;
  }

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

@media (max-width: 879px) {
  .page-privacy .privacy-sec__num {
    font-size: 12px;
    padding: 4px 10px;
  }

  .page-privacy .collect-table {
    box-shadow: 6px 6px 0 rgba(5, 7, 15, 0.9);
  }

  .page-privacy .contact-block {
    box-shadow: 6px 6px 0 rgba(5, 7, 15, 0.9);
  }
}

@media (max-width: 560px) {
  .page-privacy .privacy-banner {
    box-shadow: 4px 4px 0 rgba(5, 7, 15, 0.9);
  }

  .page-privacy .usage-item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 0 12px;
  }

  .page-privacy .minor-list li {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 0 10px;
  }

  .page-privacy .contact-block__row {
    padding: 14px 16px;
  }

  .page-privacy .contact-block__label {
    min-width: 100%;
  }
}