/* ===== 数据与隐私保护说明页 ===== */
.page-privacy {
  --privacy-max: 1080px;
  padding-top: 28px;
  padding-bottom: 72px;
  background: var(--c-paper);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-privacy .privacy-shell {
  max-width: var(--privacy-max);
  margin-inline: auto;
}

/* 面包屑 */
.page-privacy .breadcrumbs {
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-privacy .breadcrumbs a {
  color: var(--c-text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-privacy .breadcrumbs a:hover {
  color: var(--c-brand);
}

/* 首屏文书头 */
.page-privacy .privacy-hero {
  position: relative;
  border: 1px solid var(--c-line);
  border-top: 4px solid var(--c-brand);
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-paper) 100%);
}

.page-privacy .privacy-hero::before,
.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  z-index: 2;
  width: 24px;
  height: 24px;
  pointer-events: none;
}

.page-privacy .privacy-hero::before {
  top: -2px;
  left: -2px;
  border-top: 3px solid var(--c-brand);
  border-left: 3px solid var(--c-brand);
}

.page-privacy .privacy-hero::after {
  right: -2px;
  bottom: -2px;
  border-right: 3px solid var(--c-brand);
  border-bottom: 3px solid var(--c-brand);
}

.page-privacy .hero-topline {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 16px;
  padding: 14px 20px 12px;
  border-bottom: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-privacy .hero-kicker {
  font-weight: 700;
  color: var(--c-brand);
}

.page-privacy .hero-grid {
  display: grid;
  gap: 20px;
  padding: 28px 20px 20px;
}

.page-privacy .hero-title-col h1 {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  transform: skewX(var(--skew));
  transform-origin: left center;
}

.page-privacy .hero-lead {
  max-width: 34em;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
}

.page-privacy .hero-meta {
  margin: 0;
  border-top: 1px solid var(--c-line);
}

.page-privacy .hero-meta-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0 11px;
  font-size: 14px;
}

.page-privacy .hero-meta-item + .hero-meta-item {
  border-top: 1px solid var(--c-line);
}

.page-privacy .hero-meta-item dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-brand);
}

.page-privacy .hero-meta-item dd {
  margin: 0;
  color: var(--c-text);
}

.page-privacy .hero-figure {
  position: relative;
  margin: 0;
  border-top: 1px solid var(--c-line);
}

.page-privacy .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--c-brand-light);
}

.page-privacy .hero-figure figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 4px 8px;
  background: rgba(26, 26, 26, 0.78);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* 目录索引 */
.page-privacy .privacy-toc {
  margin-top: 40px;
  padding: 24px 20px 20px;
  background: var(--c-ink);
  color: var(--c-paper);
}

.page-privacy .privacy-toc .toc-head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-privacy .privacy-toc .toc-head .chapter-index {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--c-brand);
  color: var(--c-brand);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
}

.page-privacy .privacy-toc .chapter-title {
  margin: 0;
  color: var(--c-paper);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 24px;
  transform: skewX(var(--skew));
}

.page-privacy .toc-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.page-privacy .toc-list li + li {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.page-privacy .toc-list a {
  display: grid;
  grid-template-columns: 44px 96px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 0 13px;
  color: var(--c-paper);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-privacy .toc-list a:hover,
.page-privacy .toc-list a[data-active] {
  color: var(--c-brand-light);
  padding-left: 6px;
}

.page-privacy .toc-list a:focus-visible {
  outline: 2px solid var(--c-brand);
  outline-offset: -2px;
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-brand);
}

.page-privacy .toc-name {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-privacy .toc-desc {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.62);
}

/* 章节 */
.page-privacy section[id] {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.page-privacy .privacy-section {
  margin: 0;
  padding: 48px 0 44px;
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .privacy-section--alt {
  background: var(--c-bg);
}

.page-privacy .section-head > .chapter-index {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border: 2px solid var(--c-brand);
  color: var(--c-brand);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
}

.page-privacy .section-title-wrap {
  min-width: 0;
}

.page-privacy .section-title-wrap .chapter-title {
  margin: 0;
}

.page-privacy .section-lead {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-privacy .section-head .chapter-note {
  display: none;
  margin-left: auto;
  align-self: end;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-muted);
  white-space: nowrap;
}

/* 条款 */
.page-privacy .clause-list {
  display: grid;
  gap: 26px;
  max-width: 760px;
}

.page-privacy .clause {
  padding-left: 16px;
  border-left: 3px solid var(--c-brand);
}

.page-privacy .clause h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-privacy .clause p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
}

.page-privacy .clause-no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-brand);
}

/* 数据表格 */
.page-privacy .table-frame {
  margin-top: 32px;
  max-width: 860px;
  overflow-x: auto;
}

.page-privacy .data-table {
  width: 100%;
  min-width: 520px;
}

.page-privacy .data-table caption {
  padding: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: left;
  color: var(--c-muted);
}

/* 使用流程 */
.page-privacy .usage-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  max-width: 760px;
}

.page-privacy .flow-step {
  padding: 6px 12px;
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.page-privacy .flow-arrow {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-brand);
}

/* Cookie 管理 */
.page-privacy .cookie-guide {
  margin-top: 32px;
  max-width: 760px;
  border: 1px solid var(--c-line);
  background: var(--c-paper);
}

.page-privacy .cookie-guide summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  border-left: 4px solid var(--c-brand);
  background: var(--c-bg);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-ink);
  transition: background 0.2s ease;
}

.page-privacy .cookie-guide summary::-webkit-details-marker {
  display: none;
}

.page-privacy .cookie-guide summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-brand);
}

.page-privacy .cookie-guide[open] summary::after {
  content: "–";
}

.page-privacy .cookie-guide summary:focus-visible {
  outline: 2px solid var(--c-brand);
  outline-offset: -2px;
}

.page-privacy .cookie-guide .guide-steps {
  margin: 0;
  padding: 18px 20px 4px;
  list-style: none;
}

.page-privacy .cookie-guide .guide-steps li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 18px;
  font-size: 14px;
  color: var(--c-text);
}

.page-privacy .cookie-guide .guide-steps li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 10px;
  height: 2px;
  background: var(--c-brand);
}

.page-privacy .step-label {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-brand);
}

.page-privacy .guide-note {
  margin: 0;
  padding: 10px 20px 16px;
  border-top: 1px dashed var(--c-line);
  font-size: 13px;
  color: var(--c-muted);
}

/* 用户权利 */
.page-privacy .rights-grid {
  display: grid;
  gap: 16px;
  max-width: 860px;
}

.page-privacy .right-item {
  padding: 18px 18px 16px;
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-brand);
  background: var(--c-paper);
}

.page-privacy .right-item h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-privacy .right-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text);
}

.page-privacy .rights-flow {
  max-width: 860px;
  margin: 22px 0 0;
  padding: 12px 16px;
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* 联系方式 */
.page-privacy .contact-panel {
  display: grid;
  max-width: 860px;
  border: 1px solid var(--c-line);
  border-top: 4px solid var(--c-brand);
  background: var(--c-paper);
}

.page-privacy .contact-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 16px 20px;
}

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

.page-privacy .contact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-privacy .contact-value {
  font-size: 15px;
  color: var(--c-ink);
  word-break: break-word;
}

.page-privacy .contact-item--primary {
  border-bottom: 2px solid var(--c-brand);
  background: var(--c-brand-light);
}

.page-privacy .contact-item--primary .contact-value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-brand-dark);
}

.page-privacy .contact-item--meta .contact-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-muted);
}

.page-privacy .contact-note {
  grid-column: 1 / -1;
  margin: 0;
  padding: 12px 20px 14px;
  border-top: 1px solid var(--c-line);
  background: var(--c-bg);
  font-size: 13px;
  color: var(--c-muted);
}

/* 结尾 */
.page-privacy .privacy-outro {
  display: grid;
  gap: 20px;
  margin-top: 40px;
  padding: 28px 20px;
  background: var(--c-ink);
  color: var(--c-paper);
}

.page-privacy .privacy-outro h2 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 22px;
  color: var(--c-paper);
  transform: skewX(var(--skew));
}

.page-privacy .privacy-outro p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

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

/* 桌面增强 */
@media (min-width: 720px) {
  .page-privacy {
    padding-top: 40px;
  }

  .page-privacy .hero-topline {
    padding: 16px 28px 14px;
  }

  .page-privacy .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(240px, 1fr);
    gap: 48px;
    padding: 32px 28px 28px;
  }

  .page-privacy .hero-lead {
    font-size: 17px;
  }

  .page-privacy .hero-figure img {
    aspect-ratio: 3 / 1;
  }

  .page-privacy .section-head .chapter-note {
    display: inline-block;
  }

  .page-privacy .rights-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-privacy .contact-panel {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .contact-item--primary,
  .page-privacy .contact-item--meta,
  .page-privacy .contact-note {
    grid-column: 1 / -1;
  }

  .page-privacy .privacy-outro {
    grid-template-columns: minmax(0, 1.4fr) auto;
    align-items: center;
    padding: 32px 28px;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-toc {
    padding: 28px 28px 0;
  }

  .page-privacy .toc-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: 0;
  }

  .page-privacy .toc-list li {
    border-top: 0;
  }

  .page-privacy .toc-list li + li {
    border-top: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
  }

  .page-privacy .toc-list a {
    display: block;
    min-height: 104px;
    padding: 16px 14px;
    border-top: 3px solid transparent;
  }

  .page-privacy .toc-list a:hover,
  .page-privacy .toc-list a[data-active] {
    border-top-color: var(--c-brand);
    background: rgba(0, 132, 61, 0.16);
    padding-left: 14px;
  }

  .page-privacy .toc-num {
    display: block;
    margin-bottom: 10px;
    font-size: 20px;
  }

  .page-privacy .toc-name {
    display: block;
    font-size: 15px;
  }

  .page-privacy .toc-desc {
    display: block;
    margin-top: 6px;
    font-size: 12px;
  }
}