.page-privacy {
  --privacy-measure: 700px;
  --privacy-line: var(--line);
  padding-top: calc(var(--header-space) + 8px);
  padding-bottom: clamp(48px, 8vw, 96px);
  background:
    radial-gradient(760px 420px at 88% 4%, rgba(43, 245, 200, .05), transparent 68%),
    radial-gradient(680px 520px at 2% 58%, rgba(42, 27, 74, .42), transparent 70%);
  background-repeat: no-repeat;
}

/* 面包屑 */
.page-privacy .privacy-crumbs {
  padding-top: 4px;
  padding-bottom: 6px;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  margin-top: clamp(14px, 2.6vw, 28px);
  padding: clamp(38px, 8vw, 92px) 0 clamp(34px, 6.5vw, 74px);
  border-top: 1px solid var(--privacy-line);
  border-bottom: 1px solid var(--privacy-line);
  overflow: hidden;
  isolation: isolate;
}

.page-privacy .privacy-hero-figure {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .privacy-hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .4;
  filter: saturate(.5) contrast(1.06);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(560px 260px at 80% 14%, rgba(43, 245, 200, .16), transparent 72%),
    linear-gradient(180deg, rgba(4, 20, 15, .42) 0%, rgba(4, 20, 15, .88) 74%, var(--ink-deep) 100%);
}

.page-privacy .privacy-hero-body {
  position: relative;
  z-index: 2;
}

.page-privacy .privacy-hero-body .lede {
  max-width: 62ch;
}

.page-privacy .privacy-keyline {
  display: grid;
  gap: 10px;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-keyline-item {
  display: grid;
  gap: 4px;
  padding: 12px 16px;
  border: 1px solid var(--privacy-line);
  border-left: 3px solid var(--cyan-deep);
  border-radius: 12px;
  background: var(--glass);
}

.page-privacy .privacy-keyline-item dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-privacy .privacy-keyline-item dd {
  margin: 0;
  font-size: 15px;
  color: var(--text);
}

/* 章节目录 */
.page-privacy .privacy-toc {
  margin-top: clamp(34px, 6vw, 62px);
}

.page-privacy .privacy-toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-privacy .privacy-toc-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-privacy .privacy-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 16px;
  border: 1px solid var(--privacy-line);
  border-radius: 12px;
  background: var(--ink-2);
  color: var(--text);
  text-decoration: none;
  font-size: 16px;
  line-height: 1.5;
  transition: border-color .2s ease, background-color .2s ease, color .2s ease;
}

.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus-visible {
  border-color: var(--cyan);
  background: rgba(43, 245, 200, .07);
  color: var(--cyan);
}

.page-privacy .privacy-toc-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-privacy .privacy-toc-label {
  flex: 1 1 auto;
}

/* 章节骨架 */
.page-privacy .privacy-chapter {
  padding: clamp(40px, 7vw, 84px) 0 0;
}

.page-privacy .privacy-chapter-inner {
  max-width: var(--privacy-measure);
  margin: 0 auto;
  padding-top: clamp(28px, 5vw, 46px);
  border-top: 1px solid var(--privacy-line);
}

.page-privacy .privacy-chapter .band {
  height: 8px;
  border-radius: 999px;
  margin-bottom: clamp(20px, 3.4vw, 30px);
  opacity: .9;
}

.page-privacy .privacy-chapter-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .privacy-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .privacy-index--sub {
  font-size: 12px;
  color: var(--cyan-deep);
}

.page-privacy .privacy-chapter-title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 28px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.3;
  color: var(--text);
}

.page-privacy .privacy-body {
  max-width: 62ch;
}

.page-privacy .privacy-body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

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

.page-privacy a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .2s ease;
}

.page-privacy a:hover,
.page-privacy a:focus-visible {
  color: var(--coral-soft);
}

/* 01 收集范围 —— 分类条目 */
.page-privacy .privacy-cat {
  display: grid;
  gap: 14px;
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-cat-item {
  padding: 18px 18px 16px;
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-privacy .privacy-cat-tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  border: 1px solid var(--cyan-deep);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .privacy-cat-tag--coral {
  border-color: var(--coral);
  color: var(--coral-soft);
}

.page-privacy .privacy-cat-tag--mute {
  border-color: var(--line);
  color: var(--muted);
}

.page-privacy .privacy-cat-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-privacy .privacy-cat-item p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 02 使用目的 —— 三块并列 */
.page-privacy .privacy-purpose {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 34px);
}

.page-privacy .privacy-purpose-item {
  position: relative;
  padding: 18px 18px 16px;
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(42, 27, 74, .5), rgba(10, 35, 28, .9));
  overflow: hidden;
}

.page-privacy .privacy-purpose-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--coral);
  transform: skewX(-12deg);
  transform-origin: left top;
}

.page-privacy .privacy-purpose-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-privacy .privacy-purpose-item p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 折叠条款 */
.page-privacy .privacy-fold {
  margin-top: 16px;
  border: 1px solid var(--privacy-line);
  border-radius: 12px;
  background: var(--glass);
  overflow: hidden;
}

.page-privacy .privacy-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  transition: color .2s ease, background-color .2s ease;
}

.page-privacy .privacy-fold > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-fold > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-privacy .privacy-fold[open] > summary::after {
  content: "-";
}

.page-privacy .privacy-fold > summary:hover,
.page-privacy .privacy-fold > summary:focus-visible {
  background: rgba(43, 245, 200, .06);
  color: var(--cyan);
}

.page-privacy .privacy-fold-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--privacy-line);
}

.page-privacy .privacy-fold-body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* 04 保存期限 */
.page-privacy .privacy-retention {
  display: grid;
  gap: 0;
  margin: clamp(24px, 4vw, 32px) 0 0;
  border-top: 1px solid var(--privacy-line);
}

.page-privacy .privacy-retention-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--privacy-line);
}

.page-privacy .privacy-retention-row dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-privacy .privacy-retention-row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text);
}

/* 05 请求步骤 */
.page-privacy .privacy-steps {
  display: grid;
  gap: 12px;
  margin: clamp(24px, 4vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--privacy-line);
  border-radius: 12px;
  background: var(--ink-2);
}

.page-privacy .privacy-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--cyan-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-privacy .privacy-steps p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-privacy .privacy-mail {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--coral-soft);
  word-break: break-all;
}

.page-privacy .privacy-contact-box {
  margin-top: clamp(22px, 3.6vw, 30px);
  padding: 18px;
  border: 1px solid var(--privacy-line);
  border-left: 3px solid var(--coral);
  border-radius: 12px;
  background: rgba(58, 20, 32, .42);
}

.page-privacy .privacy-contact-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--coral-soft);
}

.page-privacy .privacy-contact-box p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text);
}

/* 注脚 */
.page-privacy .privacy-footnote {
  margin: clamp(22px, 3.6vw, 30px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--privacy-line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-privacy .privacy-keyline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-cat {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-cat-item:first-child {
    grid-column: 1 / -1;
  }

  .page-privacy .privacy-purpose {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-retention-row {
    grid-template-columns: 160px 1fr;
    gap: 20px;
    align-items: baseline;
  }
}

/* 桌面端 */
@media (min-width: 1040px) {
  .page-privacy .privacy-toc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-retention-row {
    grid-template-columns: 190px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc-list a,
  .page-privacy .privacy-fold > summary,
  .page-privacy a {
    transition: none;
  }
}