/* ===== 数据与隐私（page-privacy） ===== */

.page-privacy {
  --privacy-rule: rgba(169, 179, 222, .2);
  --privacy-measure: 68ch;
  padding-bottom: clamp(64px, 9vw, 112px);
}

/* --- 首屏 --- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: clamp(20px, 3vw, 34px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -90px;
  right: -14%;
  width: min(620px, 68%);
  height: 360px;
  background: linear-gradient(140deg, rgba(47, 240, 220, .17), rgba(11, 16, 36, 0) 70%);
  clip-path: polygon(0 0, 100% 0, 100% 56%, 0 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero h1 {
  margin: 18px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 66px);
  line-height: 1.05;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  margin: 20px 0 0;
  max-width: var(--privacy-measure);
  font-size: clamp(16px, 1.6vw, 17.5px);
  line-height: 1.92;
  color: var(--muted);
}

.page-privacy .privacy-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-hero__marks a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  border: 2px solid var(--line-strong);
  background: var(--panel);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.4;
  letter-spacing: .02em;
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}

.page-privacy .privacy-hero__marks a::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-privacy .privacy-hero__marks li:nth-child(2) a::before { background: var(--export); }
.page-privacy .privacy-hero__marks li:nth-child(3) a::before { background: var(--library); }

.page-privacy .privacy-hero__marks a:hover,
.page-privacy .privacy-hero__marks a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translate(-2px, -2px);
}

.page-privacy .privacy-hero__media {
  margin-top: clamp(28px, 4vw, 46px);
  border: 2px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 6px 6px 0 rgba(11, 16, 36, .85);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* --- 正文骨架 --- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 40px);
  margin-top: clamp(40px, 6vw, 76px);
}

.page-privacy .privacy-article { min-width: 0; }

/* --- 小节导航 --- */
.page-privacy .privacy-toc {
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 14px 16px;
}

.page-privacy .privacy-toc__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc__list a {
  display: block;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .privacy-toc__list a .mono {
  color: var(--cyan);
  margin-right: 6px;
  font-size: 12px;
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
}

/* --- 小节 --- */
.page-privacy .privacy-sec {
  scroll-margin-top: calc(var(--bar-h) + 28px);
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(44px, 6vw, 76px);
  padding-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-sec__num {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-privacy .privacy-sec h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.15;
  letter-spacing: .005em;
  color: var(--paper);
}

.page-privacy .privacy-sec__text {
  margin: 0 0 24px;
  max-width: var(--privacy-measure);
  font-size: 16.5px;
  line-height: 1.95;
  color: var(--muted);
}

.page-privacy .privacy-sec__text--after {
  margin: 24px 0 0;
  font-size: 15.5px;
}

.page-privacy .privacy-sec__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 220, .5);
}

.page-privacy .privacy-sec__text a:hover,
.page-privacy .privacy-sec__text a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* --- 左色条信息块 --- */
.page-privacy .privacy-block {
  padding: 16px 18px 16px 20px;
  border-left: 4px solid var(--tone, var(--cyan));
  background: var(--panel);
}

.page-privacy .privacy-block + .privacy-block { margin-top: 12px; }

.page-privacy .privacy-block[data-tone="novice"] {
  --tone: var(--novice);
  background: rgba(23, 224, 160, .07);
}

.page-privacy .privacy-block[data-tone="library"] {
  --tone: var(--library);
  background: rgba(59, 123, 255, .08);
}

.page-privacy .privacy-block[data-tone="export"] {
  --tone: var(--export);
  background: rgba(255, 194, 74, .07);
}

.page-privacy .privacy-block[data-tone="family"] {
  --tone: var(--family);
  background: rgba(255, 154, 90, .07);
}

.page-privacy .privacy-block h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .privacy-block p {
  margin: 0;
  max-width: var(--privacy-measure);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

/* --- 用途列表 --- */
.page-privacy .privacy-uses {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 2px solid var(--line-strong);
}

.page-privacy .privacy-uses li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0 14px;
  padding: 18px 20px;
  background: var(--panel);
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-uses li:first-child { border-top: 0; }

.page-privacy .privacy-uses__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-privacy .privacy-uses h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .privacy-uses p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--muted);
}

/* --- 可展开操作项 --- */
.page-privacy .privacy-actions {
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-act {
  border-bottom: 1px solid var(--privacy-rule);
  border-left: 3px solid var(--line-strong);
  padding-left: 14px;
  transition: border-left-color .2s var(--ease), background-color .2s var(--ease);
}

.page-privacy .privacy-act[open] {
  border-left-color: var(--cyan);
  background: rgba(47, 240, 220, .04);
}

.page-privacy .privacy-act summary {
  position: relative;
  display: block;
  padding: 16px 36px 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper);
}

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

.page-privacy .privacy-act summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

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

.page-privacy .privacy-act p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

/* --- 联系方式 --- */
.page-privacy .privacy-contact {
  margin: 0;
  padding: 20px;
  display: grid;
  gap: 10px;
  border: 2px solid var(--line-strong);
  background: var(--panel);
}

.page-privacy .privacy-contact > div {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: 6px 18px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-contact > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .privacy-contact dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-privacy .privacy-contact dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

/* --- 回到顶部 --- */
.page-privacy .privacy-top {
  position: fixed;
  right: 14px;
  bottom: 84px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 2px solid var(--cyan);
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-decoration: none;
  box-shadow: 4px 4px 0 rgba(11, 16, 36, .9);
  transition: background-color .18s var(--ease), color .18s var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: var(--cyan);
  color: var(--ink);
}

/* --- 窄屏 --- */
@media (max-width: 599px) {
  .page-privacy .privacy-hero__marks { gap: 8px; }
  .page-privacy .privacy-hero__marks a { width: 100%; }
  .page-privacy .privacy-uses li { padding: 16px 16px; }
  .page-privacy .privacy-contact { padding: 16px; }
}

@media (max-width: 420px) {
  .page-privacy .privacy-contact > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

/* --- 桌面：单列长文 + 右侧固定小节导航 --- */
@media (min-width: 1024px) {
  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: clamp(44px, 5vw, 80px);
    align-items: start;
  }

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

  .page-privacy .privacy-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    padding: 18px 16px;
  }

  .page-privacy .privacy-toc__list {
    display: block;
    margin-top: 14px;
    padding: 0;
    overflow: visible;
  }

  .page-privacy .privacy-toc__list li + li { margin-top: 4px; }

  .page-privacy .privacy-toc__list a {
    white-space: normal;
    padding: 7px 10px;
    border: 0;
    border-left: 2px solid var(--line-strong);
    font-size: 13px;
    line-height: 1.55;
  }

  .page-privacy .privacy-toc__list a:hover,
  .page-privacy .privacy-toc__list a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(47, 240, 220, .06);
    color: var(--cyan);
  }

  .page-privacy .privacy-top {
    right: 28px;
    bottom: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-hero__marks a,
  .page-privacy .privacy-toc__list a,
  .page-privacy .privacy-act,
  .page-privacy .privacy-top {
    transition: none;
  }

  .page-privacy .privacy-hero__marks a:hover,
  .page-privacy .privacy-hero__marks a:focus-visible {
    transform: none;
  }
}
<<<END>>>