/* ============ 数据保护说明 · 页面专属样式（作用域 .page-privacy） ============ */

.page-privacy {
  --doc-fs: 1rem;
  --doc-lead-fs: 1.04rem;
  --sec-num-w: 2.2rem;
  background: var(--c-paper);
  color: var(--text-on-light);
}

.page-privacy:has(#fs-large:target) {
  --doc-fs: 1.14rem;
  --doc-lead-fs: 1.16rem;
}

@media (min-width: 720px) {
  .page-privacy {
    --sec-num-w: 3rem;
  }
}

/* ---------- 顶部条款页头 ---------- */

.page-privacy .doc-hero {
  position: relative;
  background-color: var(--c-ink);
  background-image:
    repeating-linear-gradient(90deg, var(--line-on-dark) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, var(--line-on-dark) 0 1px, transparent 1px 88px);
  color: var(--text-on-dark);
  border-top: 2px solid var(--c-brass);
}

.page-privacy .doc-hero__inner {
  display: grid;
  gap: 2rem;
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

@media (min-width: 880px) {
  .page-privacy .doc-hero__inner {
    grid-template-columns: minmax(0, 1fr) 258px;
    align-items: end;
    gap: clamp(2rem, 4vw, 4rem);
  }
}

.page-privacy .doc-hero .breadcrumb {
  margin-bottom: 1.4rem;
}

.page-privacy .doc-hero__title {
  margin: 0.4rem 0 0;
  font-size: clamp(2rem, 5.6vw, 3.2rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-privacy .doc-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 40rem;
  font-size: var(--doc-lead-fs);
  line-height: 1.9;
  color: var(--text-on-dark-soft);
}

.page-privacy .doc-hero__facts {
  list-style: none;
  margin: 0;
  padding: 1.3rem 0 0;
  display: grid;
  gap: 1rem;
  border-top: 1px solid var(--line-on-dark-strong);
}

.page-privacy .doc-hero__facts li {
  display: grid;
  gap: 0.2rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--c-brass);
}

.page-privacy .doc-hero__facts .mono {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--c-brass-lit);
}

.page-privacy .doc-hero__facts li > span + span {
  font-size: 0.82rem;
  color: var(--text-on-dark-soft);
}

.page-privacy .doc-hero__figure {
  margin: 0;
  border-top: 1px solid var(--line-on-dark);
}

.page-privacy .doc-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.85) contrast(1.02);
}

.page-privacy .doc-hero__figure .media-frame__caption {
  padding: 0.6rem var(--gutter);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-on-dark-soft);
  background: var(--c-ink-2);
}

/* ---------- 长文与目录双栏 ---------- */

.page-privacy .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(3rem, 6vw, 5rem);
}

@media (min-width: 992px) {
  .page-privacy .doc-layout {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: start;
  }

  .page-privacy .doc-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .doc-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 104px;
    align-self: start;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }
}

/* ---------- 目录与字号控制 ---------- */

.page-privacy .doc-toc {
  border-top: 1px solid var(--line-strong);
  padding-top: 1.1rem;
}

.page-privacy .doc-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
  flex-wrap: wrap;
}

.page-privacy .doc-controls__label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--c-stone);
}

.page-privacy .fs-btn {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  color: var(--text-on-light-soft);
  background: transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-privacy .fs-btn:hover,
.page-privacy .fs-btn:focus-visible {
  color: var(--c-brass);
  border-color: var(--c-brass);
}

.page-privacy .fs-btn[href="#fs-normal"] {
  color: var(--c-ink);
  border-color: var(--c-brass);
  background: var(--c-paper-warm);
}

.page-privacy:has(#fs-large:target) .fs-btn[href="#fs-normal"] {
  color: var(--text-on-light-soft);
  border-color: var(--line);
  background: transparent;
}

.page-privacy:has(#fs-large:target) .fs-btn[href="#fs-large"] {
  color: var(--c-ink);
  border-color: var(--c-brass);
  background: var(--c-paper-warm);
}

.page-privacy .doc-toc__title {
  margin: 0 0 0.8rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--c-brass);
}

.page-privacy .doc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-privacy .doc-toc__list a {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.55rem;
  align-items: baseline;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--text-on-light);
  font-size: 0.9rem;
  line-height: 1.6;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-privacy .doc-toc__list a:hover,
.page-privacy .doc-toc__list a:focus-visible {
  color: var(--c-brass);
  border-bottom-color: var(--c-brass);
}

.page-privacy .doc-toc__list .mono {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--c-stone);
}

/* ---------- 条款正文 ---------- */

.page-privacy .doc-body {
  font-size: var(--doc-fs);
  min-width: 0;
}

.page-privacy .doc-sec {
  border-top: 1px solid var(--line);
  padding-block: clamp(1.75rem, 4vw, 2.5rem);
  scroll-margin-top: 110px;
  transition: background-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}

.page-privacy .doc-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .doc-sec:target {
  background: var(--c-paper-warm);
  box-shadow: inset 3px 0 0 var(--c-brass);
  padding-inline: 1rem;
  margin-inline: -1rem;
}

.page-privacy .doc-sec__head {
  display: grid;
  grid-template-columns: var(--sec-num-w) minmax(0, 1fr);
  gap: 0.5rem;
  align-items: baseline;
}

.page-privacy .doc-sec__num {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--c-brass);
}

.page-privacy .doc-sec__title {
  margin: 0;
  font-size: clamp(1.22rem, 2.4vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.page-privacy .doc-sec__body {
  display: grid;
  gap: 1.05rem;
  margin-top: 1.1rem;
  padding-left: var(--sec-num-w);
  line-height: 1.9;
}

.page-privacy .doc-sec__body > p {
  margin: 0;
  max-width: 42rem;
}

.page-privacy .doc-sec__body a {
  color: var(--c-brass);
  text-decoration: underline;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

.page-privacy .doc-sec__body a:hover,
.page-privacy .doc-sec__body a:focus-visible {
  color: var(--c-brass-lit);
}

/* 分类条目 */

.page-privacy .doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.05rem;
  max-width: 42rem;
}

.page-privacy .doc-list > li {
  padding-top: 1.05rem;
  border-top: 1px solid var(--line);
}

.page-privacy .doc-list > li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .doc-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-ink);
}

.page-privacy .doc-list p {
  margin: 0;
  font-size: 0.94em;
  line-height: 1.85;
  color: var(--text-on-light-soft);
}

.page-privacy .doc-list--terms > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.2rem;
}

@media (min-width: 620px) {
  .page-privacy .doc-list--terms > li {
    grid-template-columns: 13rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }

  .page-privacy .doc-list--terms h3 {
    margin-bottom: 0;
  }
}

/* 权利与操作方式表格 */

.page-privacy .doc-table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--line-strong);
}

.page-privacy .rights-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.page-privacy .rights-table caption {
  text-align: left;
  padding: 0.7rem 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--c-stone);
}

.page-privacy .rights-table th {
  text-align: left;
  padding: 0.6rem 0.9rem 0.6rem 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-brass);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.page-privacy .rights-table td {
  padding: 0.85rem 0.9rem 0.85rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.8;
}

.page-privacy .rights-table td:first-child {
  width: 34%;
  font-weight: 600;
  color: var(--c-ink);
}

.page-privacy .rights-table td:last-child {
  color: var(--text-on-light-soft);
}

.page-privacy .rights-table th:last-child,
.page-privacy .rights-table td:last-child {
  padding-right: 0;
}

/* 版本记录 */

.page-privacy .doc-versions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  max-width: 42rem;
}

.page-privacy .doc-versions li {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: baseline;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-privacy .doc-versions li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .doc-versions .mono {
  font-size: 0.84rem;
  color: var(--c-brass);
}

/* 联系块 */

.page-privacy .doc-contact {
  display: grid;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  background: var(--c-paper-warm);
  border-left: 3px solid var(--c-brass);
}

@media (min-width: 640px) {
  .page-privacy .doc-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 1.5rem 1.75rem;
  }
}

.page-privacy .doc-contact__label {
  margin: 0 0 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--c-brass);
}

.page-privacy .doc-contact__mail {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  word-break: break-all;
}

.page-privacy .doc-contact__hint {
  margin: 0.55rem 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-on-light-soft);
}

.page-privacy .doc-contact .btn {
  justify-self: start;
}

@media (min-width: 640px) {
  .page-privacy .doc-contact .btn {
    justify-self: end;
  }
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 560px) {
  .page-privacy .doc-sec:target {
    padding-inline: 0.7rem;
    margin-inline: -0.7rem;
  }

  .page-privacy .doc-sec__body {
    padding-left: 0;
  }

  .page-privacy .doc-sec__head {
    grid-template-columns: 1.9rem minmax(0, 1fr);
  }

  .page-privacy .doc-toc__list a {
    grid-template-columns: 1.8rem minmax(0, 1fr);
  }
}