.page-privacy {
  --pv-line: rgba(138, 151, 168, 0.22);
  --pv-line-soft: rgba(138, 151, 168, 0.13);
  --pv-toc: 252px;
  --pv-text-dim: rgba(244, 248, 255, 0.78);
  position: relative;
  overflow-x: hidden;
  color: var(--white);
  font-family: var(--font-body);
  background-color: var(--black);
  background-image:
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-privacy .pv-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-privacy .crumbs {
  margin: clamp(16px, 2.6vw, 30px) 0 clamp(14px, 2vw, 22px);
  font-size: 13px;
}

/* ---------- 首屏框景 ---------- */
.page-privacy .pv-hero {
  display: grid;
  gap: 18px;
  border: 1px solid var(--pv-line);
  background:
    linear-gradient(152deg, rgba(43, 27, 107, 0.62) 0%, rgba(11, 27, 51, 0.82) 52%, rgba(7, 11, 18, 0.94) 100%);
  padding: clamp(18px, 3.2vw, 40px);
  position: relative;
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(240px, 46%);
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--blue) 60%, transparent);
}

.page-privacy .pv-hero__panel {
  min-width: 0;
}

.page-privacy .pv-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.03;
  letter-spacing: -0.01em;
}

.page-privacy .pv-hero__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.78;
  color: var(--pv-text-dim);
}

.page-privacy .pv-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-privacy .pv-hero__quick {
  margin-top: 22px;
}

.page-privacy .pv-hero__frame {
  position: relative;
  margin: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-cyan);
  background: var(--teal-deep);
  overflow: hidden;
}

.page-privacy .pv-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 12px;
  background: repeating-linear-gradient(90deg, rgba(0, 229, 204, 0.55) 0 1px, transparent 1px 14px);
  z-index: 2;
  pointer-events: none;
}

.page-privacy .pv-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 180px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-privacy .pv-hero__frame figcaption {
  padding: 10px 14px;
  border-top: 1px dashed var(--pv-line);
  background: rgba(3, 43, 47, 0.72);
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}

@media (min-width: 860px) {
  .page-privacy .pv-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: stretch;
    gap: clamp(20px, 3vw, 40px);
  }

  .page-privacy .pv-hero__frame img {
    aspect-ratio: 12 / 5;
    height: 100%;
    min-height: 0;
  }
}

/* ---------- 目录 + 正文 ---------- */
.page-privacy .pv-layout {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  margin-top: clamp(22px, 3.4vw, 42px);
}

.page-privacy .pv-toc {
  padding: 14px;
  border: 1px solid var(--line-cyan);
  background: rgba(0, 229, 204, 0.07);
  backdrop-filter: blur(6px);
  min-width: 0;
}

.page-privacy .pv-toc__head {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

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

.page-privacy .pv-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid var(--pv-line);
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: border-color 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-privacy .pv-toc__no {
  font-family: var(--font-num);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .pv-topbtn {
  margin-top: 14px;
  padding: 8px 0 2px;
  border: 0;
  border-top: 1px solid var(--pv-line-soft);
  background: none;
  color: var(--steel);
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
  text-align: left;
  transition: color 0.28s var(--ease);
}

.page-privacy .pv-topbtn:hover {
  color: var(--cyan);
}

@media (min-width: 900px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-toc) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: clamp(84px, 12vh, 120px);
    padding: 18px 16px;
  }

  .page-privacy .pv-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .pv-toc__list a {
    display: flex;
    border: 0;
    border-left: 2px solid transparent;
    padding: 9px 10px;
    white-space: normal;
  }

  .page-privacy .pv-toc__list a:hover {
    border-left-color: var(--cyan);
    background: rgba(0, 229, 204, 0.08);
  }
}

/* ---------- 章节 ---------- */
.page-privacy .pv-doc {
  min-width: 0;
}

.page-privacy .pv-doc > .pv-sec + .pv-sec {
  margin-top: clamp(32px, 5vw, 58px);
}

.page-privacy .pv-sec {
  padding-top: clamp(22px, 3.4vw, 34px);
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-privacy .pv-sec__no {
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(0, 229, 204, 0.5);
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 2.7vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.005em;
}

.page-privacy .pv-sec__lead {
  margin: 14px 0 22px;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pv-text-dim);
}

/* ---------- 信息类型卡 ---------- */
.page-privacy .pv-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .page-privacy .pv-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .pv-card {
  display: flex;
  flex-direction: column;
  padding: 16px 16px 14px;
  border: 1px solid var(--pv-line);
  border-top: 2px solid var(--blue);
  background: linear-gradient(162deg, rgba(11, 27, 51, 0.94), rgba(7, 11, 18, 0.94));
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-privacy .pv-card:hover {
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

.page-privacy .pv-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-privacy .pv-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pv-text-dim);
}

.page-privacy .pv-card .pv-card__note {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 使用场景轨道 ---------- */
.page-privacy .pv-flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-flow li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 0;
  border-bottom: 1px solid var(--pv-line-soft);
}

.page-privacy .pv-flow li:first-child {
  border-top: 1px solid var(--pv-line-soft);
}

.page-privacy .pv-flow li:hover .pv-flow__no {
  color: var(--amber);
}

.page-privacy .pv-flow__no {
  font-family: var(--font-num);
  font-style: italic;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: rgba(255, 176, 32, 0.65);
  transition: color 0.3s var(--ease);
}

.page-privacy .pv-flow h3 {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.015em;
}

.page-privacy .pv-flow p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pv-text-dim);
}

/* ---------- 保存与权限 ---------- */
.page-privacy .pv-guard {
  display: grid;
  gap: 16px;
}

@media (min-width: 760px) {
  .page-privacy .pv-guard {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-diagram {
    position: sticky;
    top: clamp(84px, 12vh, 120px);
  }
}

.page-privacy .pv-diagram {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--pv-line);
  background: linear-gradient(150deg, rgba(43, 27, 107, 0.55), rgba(3, 43, 47, 0.75));
}

.page-privacy .pv-diagram__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .pv-diagram figcaption {
  margin-top: 8px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--steel);
}

.page-privacy .pv-acc + .pv-acc {
  margin-top: 10px;
}

.page-privacy .pv-acc {
  border: 1px solid var(--pv-line);
  background: rgba(3, 43, 47, 0.42);
  transition: border-color 0.3s var(--ease);
}

.page-privacy .pv-acc:hover {
  border-color: var(--line-cyan);
}

.page-privacy .pv-acc summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.015em;
}

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

.page-privacy .pv-acc summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

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

.page-privacy .pv-acc[open] summary {
  border-bottom: 1px dashed var(--pv-line-soft);
}

.page-privacy .pv-acc__body {
  padding: 12px 16px 16px;
}

.page-privacy .pv-acc__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pv-text-dim);
}

/* ---------- 隐私选择 ---------- */
.page-privacy .pv-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pv-line);
  background: rgba(11, 27, 51, 0.65);
}

.page-privacy .pv-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-privacy .pv-table th {
  padding: 11px 12px;
  text-align: left;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border-bottom: 1px solid var(--line-cyan);
  white-space: nowrap;
}

.page-privacy .pv-table td {
  padding: 12px;
  vertical-align: top;
  line-height: 1.65;
  color: var(--pv-text-dim);
  border-bottom: 1px solid var(--pv-line-soft);
}

.page-privacy .pv-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-privacy .pv-table tbody tr:hover {
  background: rgba(0, 229, 204, 0.06);
}

.page-privacy .pv-table td:first-child {
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}

.page-privacy .pv-callout {
  margin-top: 22px;
  padding: clamp(16px, 2.6vw, 26px);
  border: 1px solid var(--pv-line);
  border-left: 3px solid var(--amber);
  background: linear-gradient(135deg, rgba(110, 18, 48, 0.55), rgba(43, 27, 107, 0.58) 65%, rgba(7, 11, 18, 0.85));
}

.page-privacy .pv-callout__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-privacy .pv-callout__mail {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-privacy .pv-callout__text {
  margin: 10px 0 18px;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pv-text-dim);
}

.page-privacy .pv-links {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

@media (min-width: 700px) {
  .page-privacy .pv-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-privacy .pv-links a {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--pv-line);
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.55;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-privacy .pv-links a:hover,
.page-privacy .pv-links a:focus-visible {
  border-color: var(--line-cyan);
  background: rgba(0, 229, 204, 0.08);
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #fff;
    color: #111;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc,
  .page-privacy .pv-topbtn,
  .page-privacy .pv-hero__quick,
  .page-privacy .pv-hero__frame::before,
  .page-privacy .pv-links {
    display: none !important;
  }

  .page-privacy .pv-layout {
    display: block;
    margin-top: 12px;
  }

  .page-privacy .pv-hero,
  .page-privacy .pv-card,
  .page-privacy .pv-callout,
  .page-privacy .pv-acc,
  .page-privacy .pv-table-wrap,
  .page-privacy .pv-diagram {
    background: #fff;
    border-color: #b9b9b9;
  }

  .page-privacy .pv-hero h1,
  .page-privacy .pv-sec__title,
  .page-privacy .pv-card h3,
  .page-privacy .pv-flow h3,
  .page-privacy .pv-acc summary,
  .page-privacy .pv-callout__mail {
    color: #111;
  }

  .page-privacy .pv-hero__lead,
  .page-privacy .pv-sec__lead,
  .page-privacy .pv-card p,
  .page-privacy .pv-flow p,
  .page-privacy .pv-acc__body p,
  .page-privacy .pv-table td,
  .page-privacy .pv-callout__text {
    color: #222;
  }

  .page-privacy .pv-sec__no,
  .page-privacy .pv-flow__no,
  .page-privacy .pv-card__note,
  .page-privacy .pv-table th {
    color: #444;
  }

  .page-privacy .pv-acc {
    break-inside: avoid;
  }
}
<<<END>>>