/* ===== 数据保护说明 · page-privacy ===== */
.page-privacy {
  --doc-measure: 640px;
  background: var(--ink);
  color: var(--white);
}

/* --- 顶部条 --- */
.page-privacy .privacy-hero {
  border-bottom: var(--line);
  background: var(--ink-2);
}

.page-privacy .privacy-hero__strip {
  position: relative;
  overflow: hidden;
}

.page-privacy .privacy-hero__bg {
  display: block;
  width: 100%;
  height: 148px;
  object-fit: cover;
  object-position: center 45%;
  opacity: 0.58;
}

.page-privacy .privacy-hero__tag {
  position: absolute;
  left: 20px;
  bottom: 12px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--silver);
  background: rgba(10, 12, 11, 0.85);
  border: 1px solid var(--grid);
}

.page-privacy .privacy-hero__inner {
  padding-top: 26px;
  padding-bottom: 34px;
}

.page-privacy .privacy-title {
  margin: 14px 0 0;
  max-width: 22em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-hero .lead {
  margin: 16px 0 0;
  max-width: var(--doc-measure);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 246, 243, 0.86);
}

.page-privacy .privacy-hero__scope {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: var(--line);
  font-size: var(--fs-14);
}

.page-privacy .privacy-hero__scope li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--white);
}

.page-privacy .privacy-hero__scope .mono {
  font-size: var(--fs-12);
  color: var(--neon);
}

/* --- 主体骨架 --- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-areas:
    "toc"
    "doc";
  gap: 26px;
  padding-top: 30px;
  padding-bottom: 64px;
}

.page-privacy .privacy-toc { grid-area: toc; }
.page-privacy .privacy-doc { grid-area: doc; min-width: 0; }

/* --- 锚点目录 --- */
.page-privacy .privacy-toc {
  padding-top: 12px;
  border-top: 2px solid var(--neon);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
}

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

.page-privacy .privacy-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--grid);
  color: var(--white);
  font-size: var(--fs-14);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-privacy .privacy-toc__list .mono {
  font-size: var(--fs-12);
  color: var(--silver);
  transition: color 0.18s ease;
}

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

.page-privacy .privacy-toc__list a:hover .mono,
.page-privacy .privacy-toc__list a:focus-visible .mono {
  color: var(--neon);
}

/* --- 章节 --- */
.page-privacy .privacy-sec {
  padding: 0;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: 40px;
  padding-top: 38px;
  border-top: var(--line);
}

.page-privacy .privacy-sec__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 2px solid var(--silver);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-20);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-privacy .privacy-sec__num {
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-privacy .privacy-doc p {
  max-width: var(--doc-measure);
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 246, 243, 0.85);
}

.page-privacy .privacy-doc a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-2);
}

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

/* --- 三类信息 --- */
.page-privacy .privacy-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 24px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-privacy .privacy-field {
  padding: 20px 18px 18px;
  background: var(--ink-2);
  border-top: 2px solid var(--grid);
}

.page-privacy .privacy-field--account { border-top-color: var(--neon); }
.page-privacy .privacy-field--prefs { border-top-color: var(--orange); }
.page-privacy .privacy-field--device { border-top-color: var(--silver); }

.page-privacy .privacy-field__name {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  color: var(--white);
}

.page-privacy .privacy-field__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-field__list li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 8px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: rgba(244, 246, 243, 0.82);
}

.page-privacy .privacy-field__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--silver);
}

/* --- 折叠字段 --- */
.page-privacy .privacy-fold {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--grid);
}

.page-privacy .privacy-fold summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--neon);
}

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

.page-privacy .privacy-fold summary::after {
  content: "+";
  font-size: var(--fs-14);
  line-height: 1;
}

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

.page-privacy .privacy-fold ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-fold li {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.95;
  color: var(--silver);
}

.page-privacy .privacy-fold li::before {
  content: "· ";
  color: var(--grid);
}

/* --- 用途编号列表 --- */
.page-privacy .privacy-uses {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-uses li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--grid);
}

.page-privacy .privacy-uses li:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-privacy .privacy-uses__num {
  padding-top: 3px;
  font-size: var(--fs-12);
  color: var(--orange);
}

.page-privacy .privacy-uses__name {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
}

.page-privacy .privacy-doc .privacy-uses p {
  margin: 0;
  max-width: 56ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(244, 246, 243, 0.78);
}

/* --- 说明块 --- */
.page-privacy .privacy-note {
  margin-top: 24px;
  padding: 16px 18px;
  background: var(--ink-2);
  border: 1px solid var(--grid);
  border-left: 2px solid var(--red);
}

.page-privacy .privacy-note__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--red);
}

.page-privacy .privacy-doc .privacy-note p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(244, 246, 243, 0.82);
}

/* --- 保存期限 --- */
.page-privacy .privacy-terms {
  margin: 22px 0 0;
  border-top: 1px solid var(--grid);
}

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

.page-privacy .privacy-terms dt {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--white);
}

.page-privacy .privacy-terms dd {
  margin: 0;
  max-width: 56ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(244, 246, 243, 0.8);
}

/* --- 通用条目列表 --- */
.page-privacy .privacy-list {
  margin: 18px 0 26px;
  padding: 0;
  max-width: var(--doc-measure);
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: rgba(244, 246, 243, 0.82);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1px;
  background: var(--neon);
}

/* --- 权利列表 --- */
.page-privacy .privacy-rights {
  margin: 20px 0 26px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-rights li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--grid);
}

.page-privacy .privacy-rights li:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-privacy .privacy-rights__key {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
  color: var(--neon);
}

.page-privacy .privacy-rights__val {
  max-width: 56ch;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: rgba(244, 246, 243, 0.82);
}

/* --- 结尾按钮 --- */
.page-privacy .privacy-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* --- 桌面 --- */
@media (min-width: 720px) {
  .page-privacy .privacy-hero__bg { height: 220px; }
  .page-privacy .privacy-title { font-size: 42px; }
  .page-privacy .privacy-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-privacy .privacy-terms__row {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
  .page-privacy .privacy-rights li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    grid-template-areas: "doc toc";
    gap: 64px;
    padding-top: 56px;
    padding-bottom: 96px;
  }
  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }
  .page-privacy .privacy-toc__list {
    display: block;
    padding: 0;
    overflow: visible;
  }
  .page-privacy .privacy-toc__list li + li { margin-top: 2px; }
  .page-privacy .privacy-toc__list a {
    display: flex;
    width: 100%;
    padding: 8px 10px;
    border: 0;
    border-left: 2px solid var(--grid);
  }
  .page-privacy .privacy-toc__list a:hover,
  .page-privacy .privacy-toc__list a:focus-visible {
    border-left-color: var(--neon);
  }
  .page-privacy .privacy-title { font-size: 46px; }
}

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