.page-privacy {
  --privacy-rail: 168px;
  --privacy-measure: 68ch;
  background: var(--ink);
  color: var(--mist);
  overflow-x: hidden;
}

.page-privacy a {
  color: var(--lime);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .visually-hidden-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- 首屏 ---------- */
.page-privacy .priv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(40px, 8vw, 104px) 0 clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--rule);
}

.page-privacy .priv-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-privacy .priv-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.3;
  filter: saturate(0.7) contrast(1.05);
}

.page-privacy .priv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(112deg, rgba(11, 31, 26, 0.96) 0%, rgba(11, 31, 26, 0.78) 46%, rgba(16, 19, 21, 0.94) 100%);
}

.page-privacy .priv-hero__inner {
  position: relative;
}

.page-privacy .priv-hero h1 {
  margin: 18px 0 0;
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 900;
  max-width: 20ch;
}

.page-privacy .priv-hero__lead {
  margin-top: 20px;
  max-width: 62ch;
  color: var(--mist);
  opacity: 0.88;
}

.page-privacy .priv-keyline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-privacy .priv-keyline__item {
  background: var(--night);
  padding: 14px 16px;
}

.page-privacy .priv-keyline dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-privacy .priv-keyline dd {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-privacy .priv-keyline dd .mono {
  color: var(--gold);
}

/* ---------- 目录吸顶 ---------- */
.page-privacy .priv-toc {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(11, 31, 26, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.page-privacy .priv-toc ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .priv-toc a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-size: 13px;
  color: var(--sage);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-privacy .priv-toc a .mono {
  color: var(--gold);
  font-size: 11px;
}

.page-privacy .priv-toc a:hover,
.page-privacy .priv-toc a:focus-visible {
  color: var(--mist);
  border-color: var(--lime);
  background: var(--lime-veil);
  outline: none;
}

/* ---------- 章节骨架 ---------- */
.page-privacy .priv-sec {
  padding: clamp(40px, 6vw, 84px) 0;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .priv-sec--last {
  border-bottom: 0;
}

.page-privacy .priv-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-privacy .priv-rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-privacy .priv-body {
  min-width: 0;
}

.page-privacy .priv-body .prose {
  max-width: var(--privacy-measure);
  color: var(--mist);
  opacity: 0.86;
  margin: 0 0 22px;
}

.page-privacy .priv-body h2.section__title {
  margin-top: 0;
  max-width: 24ch;
}

.page-privacy .priv-body h3 {
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

/* ---------- S1 卡片 ---------- */
.page-privacy .priv-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.page-privacy .priv-cards .card {
  padding: 20px 18px;
  border-left: 3px solid var(--lime);
  background: var(--night);
}

.page-privacy .priv-cards .card__meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-privacy .priv-cards .card__title {
  margin: 10px 0 8px;
}

.page-privacy .priv-cards .card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.82;
}

.page-privacy .priv-note {
  max-width: var(--privacy-measure);
  margin: 0;
  padding: 12px 16px;
  border-left: 2px solid var(--gold);
  background: rgba(242, 178, 60, 0.07);
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- S2 流向图与用途映射 ---------- */
.page-privacy .priv-flow-wrap {
  margin: 0 0 24px;
  padding: 12px clamp(8px, 2vw, 20px);
  background: linear-gradient(120deg, rgba(22, 35, 43, 0.9), rgba(11, 31, 26, 0.6));
  border: 1px solid var(--rule);
}

.page-privacy .priv-flow {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .priv-flow .pulse-line {
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-privacy .priv-map {
  margin: 0;
  border-top: 1px solid var(--rule);
  max-width: var(--privacy-measure);
}

.page-privacy .priv-map__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .priv-map__row dt {
  font-weight: 700;
  color: var(--lime);
  font-size: 16px;
}

.page-privacy .priv-map__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.85;
}

/* ---------- S3 表格 ---------- */
.page-privacy .priv-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: var(--night);
}

.page-privacy .priv-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-privacy .priv-table th,
.page-privacy .priv-table td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--rule);
  line-height: 1.65;
}

.page-privacy .priv-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
  background: rgba(11, 31, 26, 0.75);
}

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

.page-privacy .priv-table td:first-child {
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-privacy .priv-table td {
  color: var(--mist);
  opacity: 0.86;
}

.page-privacy .priv-table + .priv-note,
.page-privacy .priv-table-wrap + .priv-note {
  margin-top: 16px;
}

/* ---------- S4 保存期限 ---------- */
.page-privacy .priv-span {
  max-width: var(--privacy-measure);
  margin: 0 0 20px;
  padding: 20px 18px;
  background: var(--char);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--gold);
}

.page-privacy .priv-span__title {
  margin: 0 0 12px;
  font-size: 17px;
  color: var(--mist);
}

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

.page-privacy .priv-span__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--rule);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  opacity: 0.88;
}

.page-privacy .priv-span__list li:last-child {
  border-bottom: 0;
}

.page-privacy .priv-span__list .mono {
  flex: 0 0 auto;
  min-width: 8.5em;
  color: var(--gold);
  font-size: 13px;
}

.page-privacy .priv-acc {
  max-width: var(--privacy-measure);
  border: 1px solid var(--rule);
  background: rgba(22, 35, 43, 0.6);
}

.page-privacy .priv-acc .acc__sum {
  padding: 14px 16px;
  font-weight: 600;
  color: var(--mist);
}

.page-privacy .priv-acc .acc__body {
  padding: 0 16px 16px;
}

.page-privacy .priv-acc .acc__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.85;
}

/* ---------- S5 操作步骤 ---------- */
.page-privacy .priv-steps {
  max-width: var(--privacy-measure);
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-privacy .priv-steps li {
  position: relative;
  padding: 18px 0 18px 0;
  border-top: 1px solid var(--rule);
}

.page-privacy .priv-steps li:last-child {
  border-bottom: 1px solid var(--rule);
}

.page-privacy .priv-steps__no {
  display: inline-block;
  color: var(--lime);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-privacy .priv-steps__title {
  margin: 6px 0 8px;
  font-size: 18px;
}

.page-privacy .priv-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.85;
}

/* ---------- S6 列表 ---------- */
.page-privacy .priv-list {
  max-width: var(--privacy-measure);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .priv-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.86;
}

.page-privacy .priv-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  width: 10px;
  height: 2px;
  background: var(--lime);
}

.page-privacy .priv-list li:last-child {
  border-bottom: 0;
}

/* ---------- S7 联系与更新 ---------- */
.page-privacy .priv-contact {
  max-width: var(--privacy-measure);
  margin: 0 0 24px;
  border-top: 1px solid var(--rule);
}

.page-privacy .priv-contact .contact-line {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .priv-contact .contact-line__key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-privacy .priv-contact .contact-line__val {
  font-size: 15px;
  color: var(--mist);
  word-break: break-word;
}

.page-privacy .priv-contact .contact-line__sub {
  font-size: 13px;
  color: var(--gold);
}

.page-privacy .priv-log {
  max-width: var(--privacy-measure);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0 0 26px;
  padding: 16px 0 0;
  border-top: 1px dashed var(--rule);
}

.page-privacy .priv-log__text {
  font-size: 14px;
  color: var(--sage);
  line-height: 1.6;
}

.page-privacy .priv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .priv-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .priv-keyline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-privacy .priv-map__row {
    grid-template-columns: 9em minmax(0, 1fr);
    gap: 20px;
  }

  .page-privacy .priv-contact .contact-line {
    grid-template-columns: 8em minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-privacy .priv-contact .contact-line__sub {
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-privacy .priv-grid {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-privacy .priv-rail {
    position: sticky;
    top: 84px;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-top: 8px;
  }

  .page-privacy .priv-rail::after {
    content: "";
    display: block;
    width: 2px;
    height: 72px;
    background: linear-gradient(180deg, var(--lime), var(--gold));
    opacity: 0.7;
  }

  .page-privacy .priv-toc ol {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-toc a,
  .page-privacy .priv-flow .pulse-line {
    transition: none;
    animation: none;
  }
}

@media print {
  .page-privacy {
    background: #fff;
    color: #111;
  }

  .page-privacy .priv-hero__media,
  .page-privacy .priv-hero::after,
  .page-privacy .priv-toc,
  .page-privacy .priv-actions {
    display: none;
  }

  .page-privacy .priv-hero,
  .page-privacy .priv-sec {
    border-color: #ccc;
    padding: 16px 0;
  }

  .page-privacy .priv-cards .card,
  .page-privacy .priv-span,
  .page-privacy .priv-table-wrap {
    background: #fff;
    border-color: #ccc;
    color: #111;
  }

  .page-privacy h1,
  .page-privacy h2,
  .page-privacy h3,
  .page-privacy p,
  .page-privacy li,
  .page-privacy td,
  .page-privacy .card__text {
    color: #111 !important;
    opacity: 1 !important;
  }
}