/* ============ 数据与隐私页 ============ */
.page-privacy {
  --pv-read: 68ch;
  display: block;
}

/* ---- 顶部封面 ---- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

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

.page-privacy .pv-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  display: block;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(120% 90% at 14% 0%, rgba(55, 240, 208, .14), transparent 62%),
    linear-gradient(180deg, rgba(5, 20, 15, .52) 0%, rgba(5, 20, 15, .93) 62%, var(--ink) 100%);
  pointer-events: none;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(46px, 8vw, 96px) clamp(34px, 5vw, 64px);
}

.page-privacy .pv-hero__title {
  margin: 16px 0 0;
  max-width: 20ch;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--fog);
  text-shadow: 0 0 26px rgba(55, 240, 208, .16);
}

.page-privacy .pv-hero__lede {
  margin: 20px 0 0;
  max-width: var(--pv-read);
  font-size: clamp(1rem, 1.15vw, 1.06rem);
  line-height: 1.8;
  color: var(--fog-88);
}

.page-privacy .pv-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

/* ---- 双栏骨架 ---- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(34px, 5vw, 68px) clamp(48px, 7vw, 96px);
}

/* ---- 左侧章节锚点 ---- */
.page-privacy .pv-toc {
  align-self: start;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-privacy .pv-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
}

.page-privacy .pv-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 10px 6px 0;
  font-size: .9rem;
  line-height: 1.5;
  color: var(--fog-88);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pv-toc__list a:hover,
.page-privacy .pv-toc__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan-line);
}

.page-privacy .pv-toc__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .pv-toc__foot {
  margin: 18px 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .pv-toc__foot a {
  color: var(--fog-88);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

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

/* ---- 正文文档区 ---- */
.page-privacy .pv-doc {
  min-width: 0;
}

.page-privacy .pv-sec {
  padding-block: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

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

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--muted);
  transition: color .45s var(--ease);
}

.page-privacy .pv-sec:target .pv-sec__num,
.page-privacy .pv-sec:hover .pv-sec__num {
  color: var(--cyan);
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-size: clamp(1.28rem, 2.8vw, 1.78rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--fog);
}

.page-privacy .pv-sec__lede {
  margin: 0 0 22px;
  max-width: var(--pv-read);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--fog-88);
}

.page-privacy .pv-sec__tail {
  margin: 24px 0 0;
  max-width: var(--pv-read);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .pv-sec__tail a,
.page-privacy .pv-item__body a,
.page-privacy .pv-steps__d a,
.page-privacy .pv-contact__note a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pv-sec__tail a:hover,
.page-privacy .pv-item__body a:hover,
.page-privacy .pv-steps__d a:hover,
.page-privacy .pv-contact__note a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---- 条目分组 ---- */
.page-privacy .pv-block {
  margin-top: 26px;
}

.page-privacy .pv-block:first-of-type {
  margin-top: 0;
}

.page-privacy .pv-block__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: .86rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-privacy .pv-block__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-line), transparent);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-item__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  padding-top: 4px;
}

.page-privacy .pv-item__body {
  margin: 0;
  max-width: var(--pv-read);
  font-size: .97rem;
  line-height: 1.78;
  color: var(--fog-88);
}

.page-privacy .pv-item__body strong {
  color: var(--fog);
  font-weight: 700;
  margin-right: .35em;
}

/* ---- 用途双栏 ---- */
.page-privacy .pv-uses {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

.page-privacy .pv-uses__tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 10px;
}

.page-privacy .pv-uses__col--opt .pv-list {
  border-top-color: rgba(255, 211, 77, .28);
}

.page-privacy .pv-uses__col--opt .pv-item {
  border-bottom-color: rgba(255, 211, 77, .2);
}

.page-privacy .pv-uses__col--opt .pv-item__idx {
  color: var(--yellow);
}

/* ---- 操作步骤 + 邮件模板 ---- */
.page-privacy .pv-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
}

.page-privacy .pv-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--yellow-line);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 211, 77, .08);
}

.page-privacy .pv-steps__n {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--yellow);
  padding-top: 2px;
}

.page-privacy .pv-steps__t {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fog);
}

.page-privacy .pv-steps__d {
  margin: 0;
  max-width: var(--pv-read);
  font-size: .93rem;
  line-height: 1.75;
  color: var(--fog-88);
}

.page-privacy .pv-mail {
  align-self: start;
  padding: 18px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-privacy .pv-mail__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-mail__body {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.85;
  color: var(--fog-88);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---- 联系区 ---- */
.page-privacy .pv-sec--contact {
  border-top-color: var(--orange-line);
}

.page-privacy .pv-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-privacy .pv-contact__main,
.page-privacy .pv-contact__side {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 48, 38, .72), rgba(10, 31, 24, .9));
}

.page-privacy .pv-contact__main {
  border-top: 2px solid var(--cyan);
}

.page-privacy .pv-contact__side {
  border-top: 2px solid var(--orange);
}

.page-privacy .pv-contact__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-contact__value {
  margin: 0;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  font-weight: 700;
  color: var(--fog);
  word-break: break-all;
}

.page-privacy .pv-contact__value--mono {
  font-family: var(--font-mono);
  letter-spacing: .06em;
  color: var(--yellow);
}

.page-privacy .pv-contact__note {
  margin: 10px 0 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---- 平板及以上：锚点常驻左侧 ---- */
@media (min-width: 860px) {
  .page-privacy .pv-toc__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-privacy .pv-toc__list a {
    width: 100%;
    padding: 7px 0 7px 12px;
    border-left: 1px solid var(--line);
    border-bottom: 0;
  }

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

  .page-privacy .pv-uses {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-privacy .pv-contact {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1024px) {
  .page-privacy .pv-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 72px);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 128px);
    overflow-y: auto;
  }

  .page-privacy .pv-steps {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: start;
  }
}

/* ---- 动效收敛 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__list a,
  .page-privacy .pv-sec__num {
    transition: none;
  }
}