/* ===== 数据与隐私 · page-privacy ===== */
.page-privacy {
  --prv-hair: rgba(152, 163, 198, 0.22);
  --prv-hair-strong: rgba(152, 163, 198, 0.42);
  background: var(--ink-800);
  color: var(--ice);
  overflow-x: hidden;
}

.page-privacy .prv-crumbs {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-privacy .prv-hero {
  position: relative;
  margin-top: 18px;
  border-top: 1px solid var(--prv-hair);
  border-bottom: 1px solid var(--prv-hair);
  overflow: hidden;
  background:
    radial-gradient(760px 380px at 6% -14%, rgba(108, 76, 255, 0.34), transparent 68%),
    radial-gradient(620px 340px at 98% 6%, rgba(34, 243, 228, 0.16), transparent 72%),
    var(--ink-900);
}

.page-privacy .prv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(152, 163, 198, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(152, 163, 198, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 84%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 84%);
}

.page-privacy .prv-hero__grid {
  position: relative;
  display: grid;
  gap: 30px;
  padding-block: clamp(34px, 6vw, 76px) clamp(30px, 5vw, 58px);
}

.page-privacy .prv-kicker {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-privacy .prv-hero h1 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(32px, 6.6vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.page-privacy .prv-lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .prv-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-tags li {
  padding: 6px 12px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
  border: 1px solid var(--prv-hair-strong);
  background: rgba(20, 26, 69, 0.6);
}

.page-privacy .prv-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--prv-hair-strong);
  background: var(--ink-700);
  box-shadow: var(--shadow-card);
}

.page-privacy .prv-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-privacy .prv-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 42%, rgba(6, 8, 24, 0.78));
}

.page-privacy .prv-hero__cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 1;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- 主体两栏 ---------- */
.page-privacy .prv-layout {
  display: grid;
  gap: 26px;
  padding-block: clamp(34px, 6vw, 68px) 30px;
}

/* 目录 */
.page-privacy .prv-toc {
  border: 1px solid var(--prv-hair-strong);
  background: var(--ink-700);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow-card);
}

.page-privacy .prv-toc .toc__title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-privacy .prv-toc .toc__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 2px 4px 0;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .prv-toc .toc__list > li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-privacy .prv-toc .toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--ice);
  text-decoration: none;
  border: 1px solid var(--prv-hair);
  transition: border-color 0.22s ease, color 0.22s ease, box-shadow 0.22s ease;
}

.page-privacy .prv-toc .toc__num {
  font-size: 12px;
  color: var(--violet);
}

.page-privacy .prv-toc .toc__link:hover,
.page-privacy .prv-toc .toc__link:focus-visible {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.page-privacy .prv-toc .toc__link[aria-current="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-privacy .prv-toc .toc__link[aria-current="true"] .toc__num {
  color: var(--amber);
}

/* ---------- 条目 ---------- */
.page-privacy .prv-body {
  min-width: 0;
}

.page-privacy .prv-item {
  display: grid;
  gap: 14px;
  padding: 30px 0 34px;
  border-top: 1px solid var(--prv-hair);
  scroll-margin-top: 130px;
}

.page-privacy .prv-item:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-privacy .prv-item__mark {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-privacy .prv-item__num {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.page-privacy .prv-ico {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  border: 1px solid var(--violet);
}

.page-privacy .prv-ico::before {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--cyan);
  opacity: 0.78;
}

.page-privacy .prv-item__body {
  min-width: 0;
}

.page-privacy .prv-item__title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -0.01em;
}

.page-privacy .prv-lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-privacy .prv-item--panel {
  position: relative;
  padding-inline: 18px;
  border: 1px solid var(--prv-hair);
  background: linear-gradient(180deg, rgba(108, 76, 255, 0.12), rgba(20, 26, 69, 0));
}

/* 分条列表 */
.page-privacy .prv-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--prv-hair);
}

.page-privacy .prv-list > li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--prv-hair);
}

.page-privacy .prv-list__k {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .prv-list__k::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-privacy .prv-list__v {
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--mist);
}

/* 琥珀提示 */
.page-privacy .prv-note {
  margin: 22px 0 0;
  max-width: 68ch;
  padding: 14px 16px 14px 18px;
  border-left: 3px solid var(--amber);
  background: linear-gradient(90deg, rgba(255, 176, 32, 0.13), rgba(255, 176, 32, 0));
  font-size: 15px;
  line-height: 1.85;
  color: var(--ice);
}

/* 本地存储开关示意 */
.page-privacy .prv-switch {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--prv-hair-strong);
  background: rgba(6, 8, 24, 0.55);
}

.page-privacy .prv-switch > li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--prv-hair);
}

.page-privacy .prv-switch > li:last-child {
  border-bottom: 0;
}

.page-privacy .prv-switch__dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.page-privacy .prv-switch__label {
  flex: 1 1 auto;
  font-size: 15px;
  color: var(--ice);
}

.page-privacy .prv-switch__state {
  flex: 0 0 auto;
  padding: 3px 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green);
  border: 1px solid rgba(61, 220, 151, 0.4);
}

/* 联络块 */
.page-privacy .prv-contact {
  margin: 22px 0 0;
  padding: 20px;
  border: 1px solid var(--prv-hair-strong);
  background: linear-gradient(160deg, var(--ink-700), rgba(10, 14, 42, 0.92));
  box-shadow: var(--shadow-card);
}

.page-privacy .prv-contact__row {
  display: grid;
  gap: 5px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--prv-hair-strong);
}

.page-privacy .prv-contact__row:first-child {
  padding-top: 0;
}

.page-privacy .prv-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .prv-contact__k {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-privacy .prv-contact__v {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-privacy .prv-cta {
  margin-top: 22px;
}

/* 相关入口 */
.page-privacy .prv-related {
  margin-top: 40px;
  padding-top: 34px;
  border-top: 1px solid var(--prv-hair-strong);
}

.page-privacy .prv-related__title {
  margin: 0 0 20px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-privacy .prv-related__grid {
  display: grid;
  gap: 14px;
}

.page-privacy .prv-rel {
  display: block;
  padding: 20px 18px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--prv-hair);
  background: var(--ink-700);
  transition: border-color 0.24s ease, transform 0.24s ease, box-shadow 0.24s ease;
}

.page-privacy .prv-rel:hover,
.page-privacy .prv-rel:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: 0 0 0 1px rgba(34, 243, 228, 0.35), 0 16px 30px rgba(3, 5, 16, 0.5);
}

.page-privacy .prv-rel__k {
  display: block;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-privacy .prv-rel__t {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-privacy .prv-list > li {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-privacy .prv-list__k {
    align-items: flex-start;
  }

  .page-privacy .prv-list__k::before {
    margin-top: 7px;
  }

  .page-privacy .prv-switch > li {
    padding: 15px 20px;
  }

  .page-privacy .prv-related__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .prv-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 52px;
  }

  .page-privacy .prv-hero__media {
    transform: translateY(-8px);
  }
}

@media (min-width: 1000px) {
  .page-privacy .prv-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .prv-toc {
    position: sticky;
    top: 112px;
  }

  .page-privacy .prv-toc .toc__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .prv-toc .toc__link {
    display: flex;
    padding: 9px 10px;
    white-space: normal;
    border-color: transparent;
    border-left: 2px solid transparent;
  }

  .page-privacy .prv-toc .toc__link:hover,
  .page-privacy .prv-toc .toc__link[aria-current="true"] {
    border-color: transparent;
    border-left-color: var(--cyan);
    box-shadow: none;
    background: rgba(34, 243, 228, 0.07);
  }

  .page-privacy .prv-item {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 30px;
    padding: 42px 0 46px;
  }

  .page-privacy .prv-item:first-child {
    padding-top: 8px;
  }

  .page-privacy .prv-item__mark {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .page-privacy .prv-item__mark::after {
    content: "";
    width: 1px;
    flex: 1 1 auto;
    min-height: 48px;
    background: linear-gradient(180deg, rgba(108, 76, 255, 0.75), transparent);
  }

  .page-privacy .prv-item--panel {
    padding-inline: 30px;
  }

  .page-privacy .prv-contact {
    padding: 26px 28px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .prv-layout {
    grid-template-columns: 288px minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-rel,
  .page-privacy .prv-toc .toc__link,
  .page-privacy .prv-hero__media {
    transition: none;
    transform: none;
  }
}