.page-privacy {
  position: relative;
  display: block;
  padding-top: clamp(88px, 13vh, 140px);
  padding-bottom: clamp(56px, 9vh, 96px);
  background-color: var(--bg);
  background-image:
    radial-gradient(115% 58% at 86% -8%, rgba(108, 107, 255, 0.20), transparent 62%),
    radial-gradient(80% 46% at 2% 4%, rgba(37, 224, 196, 0.10), transparent 64%);
  color: var(--text);
}

.page-privacy * ,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

.page-privacy__crumb {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-privacy__crumb .crumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 首屏 ---------- */
.page-privacy__hero {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
  margin-bottom: clamp(38px, 5.4vw, 68px);
}

.page-privacy__hero-text {
  position: relative;
  max-width: 62ch;
  padding-left: 18px;
}

.page-privacy__hero-text::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 2px;
  height: 54px;
  background: linear-gradient(180deg, var(--accent), rgba(37, 224, 196, 0));
}

.page-privacy__hero .eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 13px;
  border: 1px solid rgba(37, 224, 196, 0.34);
  border-radius: 999px;
  background: rgba(37, 224, 196, 0.07);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
}

.page-privacy__h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 58px);
  line-height: 1.07;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy__lede {
  margin: 20px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy__banner {
  position: relative;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  aspect-ratio: 21 / 9;
}

.page-privacy__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, rgba(10, 17, 32, 0) 44%, rgba(10, 17, 32, 0.58) 92%);
  pointer-events: none;
}

.page-privacy__banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 双栏骨架 ---------- */
.page-privacy__layout {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  min-width: 0;
}

.page-privacy__doc {
  min-width: 0;
}

/* ---------- 右侧编号索引 ---------- */
.page-privacy__toc {
  order: -1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 15px 14px;
}

.page-privacy__toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-privacy__toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy__toc-list li {
  flex: 0 0 auto;
}

.page-privacy__toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy__toc-list a:hover,
.page-privacy__toc-list a:focus-visible {
  border-color: rgba(37, 224, 196, 0.56);
  background: rgba(37, 224, 196, 0.08);
  color: var(--text);
}

.page-privacy__toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

/* ---------- 章节 ---------- */
.page-privacy__sec {
  border-top: 1px solid var(--border);
  padding-top: clamp(26px, 3.6vw, 40px);
  padding-bottom: clamp(30px, 4vw, 50px);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-privacy__sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-privacy__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.page-privacy__h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-privacy__h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--text);
}

.page-privacy__case-body,
.page-privacy__intro,
.page-privacy__tail,
.page-privacy__callout-body,
.page-privacy__use-body p,
.page-privacy__right-body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

.page-privacy__intro {
  color: var(--muted);
  margin-bottom: 4px;
}

.page-privacy__tail {
  margin-top: 22px;
  color: var(--muted);
  font-size: 15px;
}

.page-privacy__tail .link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 224, 196, 0.42);
  padding-bottom: 1px;
}

.page-privacy__tail .link:hover,
.page-privacy__tail .link:focus-visible {
  border-bottom-color: var(--accent);
}

/* ---------- 三类场景 ---------- */
.page-privacy__cases {
  display: grid;
  gap: 14px;
}

.page-privacy__case {
  position: relative;
  padding: 18px 18px 18px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(17, 28, 47, 0.92), rgba(10, 17, 32, 0.6));
  transition: border-color 0.25s var(--ease);
}

.page-privacy__case::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(37, 224, 196, 0));
}

.page-privacy__case:hover {
  border-color: rgba(37, 224, 196, 0.5);
}

.page-privacy__case-tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.page-privacy__case-body {
  color: var(--muted);
}

/* ---------- 用途列表 ---------- */
.page-privacy__uses {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy__use {
  position: relative;
  padding-left: 40px;
}

.page-privacy__use-idx {
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent-alt);
}

.page-privacy__use-body p {
  color: var(--muted);
}

/* ---------- 保留期限 ---------- */
.page-privacy__retention {
  display: grid;
  border-top: 1px solid var(--border);
}

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

.page-privacy__retention-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent-alt);
}

.page-privacy__retention-val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 提示岛 ---------- */
.page-privacy__callout {
  margin-top: 22px;
  padding: 18px 20px;
  border: 1px solid rgba(242, 179, 61, 0.32);
  border-radius: var(--radius-sm);
  background: linear-gradient(120deg, rgba(242, 179, 61, 0.11), rgba(242, 179, 61, 0.02) 66%);
}

.page-privacy__callout-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent-alt);
}

.page-privacy__callout-body {
  color: var(--text);
}

/* ---------- 权利折叠 ---------- */
.page-privacy__rights {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-privacy__right {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-privacy__right:hover {
  border-color: rgba(37, 224, 196, 0.36);
}

.page-privacy__right[open] {
  border-color: rgba(37, 224, 196, 0.46);
}

.page-privacy__right-sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.4;
  color: var(--text);
  transition: color 0.2s var(--ease);
}

.page-privacy__right-sum::-webkit-details-marker {
  display: none;
}

.page-privacy__right-sum::before {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border: 1px solid rgba(37, 224, 196, 0.7);
  border-radius: 3px;
  background:
    linear-gradient(var(--accent), var(--accent)) center / 8px 1.5px no-repeat,
    linear-gradient(var(--accent), var(--accent)) center / 1.5px 8px no-repeat;
}

.page-privacy__right[open] .page-privacy__right-sum::before {
  background:
    linear-gradient(var(--accent), var(--accent)) center / 8px 1.5px no-repeat;
}

.page-privacy__right-body {
  padding: 2px 18px 18px 44px;
}

.page-privacy__right-body p {
  color: var(--muted);
}

/* ---------- 联系方式 ---------- */
.page-privacy__contact {
  display: grid;
  margin: 22px 0 0;
  border-top: 1px solid var(--border);
}

.page-privacy__contact-row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.page-privacy__contact-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-privacy__contact-row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-privacy__contact-row dd.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  color: var(--accent);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy__contact-row {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy__retention-row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy__cases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-privacy__case {
    padding: 20px 20px 20px 22px;
  }
}

@media (min-width: 1080px) {
  .page-privacy__layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: clamp(44px, 6vw, 80px);
    align-items: start;
  }

  .page-privacy__toc {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    padding: 20px 18px;
  }

  .page-privacy__toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy__toc-list li {
    flex: 1 1 auto;
  }

  .page-privacy__toc-list a {
    display: flex;
    width: 100%;
    border: 0;
    border-left: 2px solid var(--border);
    border-radius: 0;
    padding: 9px 10px 9px 13px;
    white-space: normal;
    line-height: 1.5;
    transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background-color 0.2s var(--ease);
  }

  .page-privacy__toc-list a:hover,
  .page-privacy__toc-list a:focus-visible {
    border-left-color: var(--accent);
    background: rgba(37, 224, 196, 0.07);
  }

  .page-privacy__uses {
    gap: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}