/* ===== page-privacy : 数据保护 ===== */

.page-privacy {
  --privacy-index-w: 256px;
  --privacy-num-w: 40px;
  position: relative;
  padding: 0 0 88px;
  color: var(--mist);
  background-color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-crumb {
  margin: 0 0 26px;
}
.page-privacy .privacy-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}
.page-privacy .privacy-crumb__link {
  color: var(--text-mid);
  text-decoration: none;
}
.page-privacy .privacy-crumb__link:hover,
.page-privacy .privacy-crumb__link:focus-visible {
  color: var(--yellow);
}
.page-privacy .privacy-crumb__sep {
  color: var(--rule);
  font-family: var(--font-mono);
}
.page-privacy .privacy-crumb__item--current {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: 32px;
}
.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  height: 440px;
  background: radial-gradient(120% 90% at 16% 0%, rgba(255, 198, 26, 0.08), rgba(10, 13, 16, 0) 62%);
  pointer-events: none;
  z-index: 0;
}
.page-privacy .privacy-hero > .ob-container {
  position: relative;
  z-index: 1;
}
.page-privacy .privacy-hero__title {
  max-width: 22ch;
  margin-top: 14px;
}
.page-privacy .privacy-hero__lede {
  max-width: 60ch;
  margin-top: 20px;
}

.page-privacy .privacy-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px 28px;
  margin: 34px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--rule);
  list-style: none;
}
.page-privacy .privacy-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.page-privacy .privacy-hero__meta .ob-num {
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0;
  color: var(--yellow);
}
.page-privacy .privacy-hero__meta-label {
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-privacy .privacy-hero__media {
  position: relative;
  margin: 38px 0 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--carbon);
}
.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}
.page-privacy .privacy-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 13, 16, 0.92), rgba(10, 13, 16, 0) 58%);
  pointer-events: none;
}
.page-privacy .privacy-hero__cap {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 15px;
  z-index: 1;
  margin: 0;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--text-mid);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-top: 46px;
}
.page-privacy .privacy-body__aside,
.page-privacy .privacy-body__main {
  min-width: 0;
}

/* ---------- 条款目录 ---------- */
.page-privacy .privacy-index {
  padding: 16px 16px 6px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--carbon);
}
.page-privacy .privacy-index__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--text-dim);
}
.page-privacy .privacy-index__title::before {
  content: "";
  display: block;
  width: 14px;
  height: 2px;
  background: var(--yellow);
}
.page-privacy .privacy-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .privacy-index__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 10px 0;
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--t-fast);
}
.page-privacy .privacy-index__list li + li .privacy-index__link {
  border-top: 1px solid rgba(42, 53, 64, 0.8);
}
.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-dim);
  transition: color var(--t-fast);
}
.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--yellow);
}
.page-privacy .privacy-index__link:hover .privacy-index__num,
.page-privacy .privacy-index__link:focus-visible .privacy-index__num {
  color: var(--gold);
}

/* ---------- 条款区块 ---------- */
.page-privacy .privacy-clause {
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: 112px;
}
.page-privacy .privacy-clause:last-of-type {
  border-bottom: 0;
  margin-bottom: 24px;
}
.page-privacy .privacy-clause__head {
  display: grid;
  grid-template-columns: var(--privacy-num-w) minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(42, 53, 64, 0.55);
}
.page-privacy .privacy-clause__num {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--yellow);
}
.page-privacy .privacy-clause__title {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
}
.page-privacy .privacy-clause .ob-text {
  max-width: 62ch;
}
.page-privacy .privacy-para {
  margin-top: 22px;
}

/* ---------- 规格行 ---------- */
.page-privacy .privacy-spec {
  margin: 20px 0 0;
}
.page-privacy .privacy-spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  margin: 0;
  padding: 16px 0;
  border-top: 1px solid rgba(42, 53, 64, 0.7);
}
.page-privacy .privacy-spec__row:last-child {
  border-bottom: 1px solid rgba(42, 53, 64, 0.7);
}
.page-privacy .privacy-spec__key {
  margin: 0;
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}
.page-privacy .privacy-spec__val {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 用途步骤 ---------- */
.page-privacy .privacy-steps {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-privacy .privacy-steps__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(42, 53, 64, 0.7);
}
.page-privacy .privacy-steps__item:last-child {
  border-bottom: 1px solid rgba(42, 53, 64, 0.7);
}
.page-privacy .privacy-steps__idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
}
.page-privacy .privacy-steps__title {
  margin: 0 0 5px;
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}
.page-privacy .privacy-steps__text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 信息流向图 ---------- */
.page-privacy .privacy-flow {
  margin: 26px 0 0;
  padding: 18px 16px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--carbon);
  overflow-x: auto;
}
.page-privacy .privacy-flow__svg {
  display: block;
  width: 100%;
  min-width: 420px;
  height: auto;
}
.page-privacy .privacy-flow__node {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  fill: var(--mist);
}
.page-privacy .privacy-flow__out {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  fill: var(--text-dim);
}

/* ---------- 折叠补充 ---------- */
.page-privacy .privacy-fold {
  margin: 22px 0 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--carbon);
}
.page-privacy .privacy-fold__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  color: var(--yellow);
  cursor: pointer;
  list-style: none;
}
.page-privacy .privacy-fold__sum::-webkit-details-marker {
  display: none;
}
.page-privacy .privacy-fold__sum::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-dim);
}
.page-privacy .privacy-fold[open] .privacy-fold__sum::after {
  content: "－";
}
.page-privacy .privacy-fold__body {
  padding: 0 18px 16px;
  border-top: 1px solid rgba(42, 53, 64, 0.7);
}
.page-privacy .privacy-fold__body p {
  margin: 14px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--text-mid);
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  margin: 22px 0 0;
  padding: 18px;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--yellow);
  border-radius: var(--radius);
  background: var(--carbon);
}
.page-privacy .privacy-contact__label {
  margin: 0;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--text-dim);
}
.page-privacy .privacy-contact__mail {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  word-break: break-all;
}
.page-privacy .privacy-contact__note {
  margin: 10px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--text-mid);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-totop {
  display: inline-flex;
  align-items: center;
  margin-top: 4px;
  padding: 10px 18px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  color: var(--mist);
  text-decoration: none;
  transition: border-color var(--t-fast), color var(--t-fast), background-color var(--t-fast);
}
.page-privacy .privacy-totop:hover,
.page-privacy .privacy-totop:focus-visible {
  border-color: var(--yellow);
  color: var(--yellow);
  background: rgba(255, 198, 26, 0.06);
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-privacy .privacy-spec__row {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }
  .page-privacy .privacy-steps__item {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 18px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-privacy {
    --privacy-index-w: 264px;
    --privacy-num-w: 64px;
  }
  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 1fr) var(--privacy-index-w);
    gap: 72px;
    align-items: start;
  }
  .page-privacy .privacy-body__main {
    grid-column: 1;
    grid-row: 1;
  }
  .page-privacy .privacy-body__aside {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 104px;
  }
  .page-privacy .privacy-clause__head {
    gap: 20px;
  }
  .page-privacy .privacy-clause__num {
    font-size: var(--fs-body);
  }
  .page-privacy .privacy-hero {
    padding-top: 40px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-index__num,
  .page-privacy .privacy-totop {
    transition: none;
  }
}
</main>