/* ===== page-privacy · 个人信息说明 ===== */

.page-privacy {
  --pv-rail-w: 232px;
}

/* ---- 页首横幅 ---- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 44px);
  padding-bottom: 52px;
}

.page-privacy .pv-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .pv-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-privacy .pv-hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 78% at 12% 0%, var(--glow-violet) 0%, transparent 62%),
    radial-gradient(90% 70% at 88% 12%, var(--glow-cyan) 0%, transparent 66%),
    linear-gradient(180deg, rgba(10, 18, 48, 0.62) 0%, rgba(10, 18, 48, 0.9) 58%, var(--bg) 100%);
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-privacy .pv-hero__title {
  margin-top: 14px;
  font-size: clamp(30px, 5.4vw, 52px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.03em;
  max-width: 20ch;
}

.page-privacy .pv-hero__lede {
  display: block;
  margin-top: 22px;
  max-width: 58ch;
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.9;
}

.page-privacy .pv-hero__facts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 30px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-hero__facts li {
  position: relative;
  padding-right: 16px;
  margin-right: 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-privacy .pv-hero__facts li:last-child {
  padding-right: 0;
  margin-right: 0;
}

.page-privacy .pv-hero__facts li + li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 50%;
  width: 4px;
  height: 1px;
  background: var(--clay);
}

/* ---- 主体两栏 ---- */
.page-privacy .pv-layout {
  display: grid;
  gap: 34px;
  padding-block: 44px 76px;
}

/* ---- 左侧章节索引 ---- */
.page-privacy .pv-toc__label {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-privacy .pv-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--text-dim);
  font-size: var(--fs-14);
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pv-toc__link:hover {
  color: var(--text);
  background: rgba(139, 92, 246, 0.12);
}

.page-privacy .pv-toc__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pv-toc__idx {
  font-size: var(--fs-12);
  color: var(--clay);
  letter-spacing: 0.06em;
}

/* ---- 条款区块 ---- */
.page-privacy .pv-clause {
  padding-top: 38px;
  margin-top: 38px;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

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

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

.page-privacy .pv-clause__num {
  flex: none;
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-privacy .pv-clause__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: 0.03em;
}

.page-privacy .pv-clause__lede {
  margin-top: 16px;
  max-width: 42ch;
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.9;
}

.page-privacy .prose {
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.9;
}

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

/* ---- 信息类型列表 ---- */
.page-privacy .pv-terms {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-privacy .pv-term {
  position: relative;
  padding: 20px 22px 20px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(19, 28, 69, 0.72), rgba(10, 18, 48, 0.5));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-term::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--moss), rgba(124, 154, 114, 0));
}

.page-privacy .pv-term:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, 0.4);
}

.page-privacy .pv-term__type {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-privacy .pv-term__title {
  margin: 8px 0 0;
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-privacy .pv-term__text {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.85;
}

.page-privacy .pv-term__text strong {
  color: var(--paper);
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---- 用途卡片 ---- */
.page-privacy .pv-usecases {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--line);
}

.page-privacy .pv-usecase {
  padding: 20px 22px;
  background: var(--surface);
  transition: background-color var(--dur) var(--ease);
}

.page-privacy .pv-usecase:hover {
  background: var(--ink-600);
}

.page-privacy .pv-usecase__num {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-privacy .pv-usecase__title {
  margin: 9px 0 0;
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-privacy .pv-usecase__text {
  margin: 9px 0 0;
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.85;
}

/* ---- 保存期限表 ---- */
.page-privacy .pv-hold {
  margin-top: 26px;
  border-top: 1px solid var(--line-strong);
}

.page-privacy .pv-hold__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hold__key {
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--clay);
}

.page-privacy .pv-hold__val {
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.85;
}

/* ---- 折叠条款 ---- */
.page-privacy .pv-fold {
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(5, 7, 15, 0.4);
  overflow: hidden;
}

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

.page-privacy .pv-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  font-size: var(--fs-16);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .pv-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  color: var(--cyan);
  line-height: 1;
}

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

.page-privacy .pv-fold summary:hover {
  background: rgba(34, 211, 238, 0.08);
}

.page-privacy .pv-fold summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-privacy .pv-fold__body {
  padding: 16px 20px 20px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: var(--fs-16);
  line-height: 1.9;
}

/* ---- 联系卡片 ---- */
.page-privacy .pv-contact {
  display: grid;
  gap: 20px;
  margin-top: 26px;
  padding: 24px 22px;
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, rgba(139, 92, 246, 0.16), rgba(34, 211, 238, 0.07) 56%, rgba(19, 28, 69, 0.68));
}

.page-privacy .pv-contact__label {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-privacy .pv-contact__value {
  margin: 7px 0 0;
  color: var(--paper);
  font-size: var(--fs-16);
  line-height: 1.7;
  word-break: break-word;
}

/* ---- 页脚带 ---- */
.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-privacy .pv-meta .link-arrow {
  color: var(--cyan);
}

/* ---- 响应式 ---- */
@media (min-width: 720px) {
  .page-privacy .pv-term {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 26px;
    align-items: baseline;
  }

  .page-privacy .pv-term__type {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 4px;
  }

  .page-privacy .pv-term__title {
    grid-column: 2;
    grid-row: 1;
    margin-top: 0;
  }

  .page-privacy .pv-term__text {
    grid-column: 2;
    grid-row: 2;
  }

  .page-privacy .pv-usecases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-hold__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .pv-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 28px;
    padding: 28px 26px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail-w) minmax(0, 1fr);
    gap: 68px;
    padding-block: 56px 96px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
    padding-right: 20px;
    border-right: 1px solid var(--line);
  }

  .page-privacy .pv-toc__list {
    display: block;
  }

  .page-privacy .pv-toc__list li + li {
    margin-top: 2px;
  }

  .page-privacy .pv-toc__link {
    border-radius: var(--radius-s);
  }

  .page-privacy .pv-hero {
    padding-top: calc(var(--header-h) + 68px);
    padding-bottom: 72px;
  }

  .page-privacy .pv-clause__lede {
    max-width: 46ch;
  }
}

@media (min-width: 1240px) {
  .page-privacy .pv-hero__facts li {
    font-size: var(--fs-14);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-term,
  .page-privacy .pv-usecase,
  .page-privacy .pv-toc__link {
    transition: none;
  }

  .page-privacy .pv-term:hover {
    transform: none;
  }
}