.page-privacy {
  --pv-hair: rgba(138, 155, 168, .18);
  --pv-hair-soft: rgba(138, 155, 168, .10);
  --pv-card-bg: rgba(21, 27, 34, .78);
  background: var(--mca-void);
  color: var(--mca-glass);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--mca-header-h) + 36px) 0 44px;
  background:
    radial-gradient(130% 100% at 6% -14%, rgba(0, 229, 199, .18), rgba(7, 11, 16, 0) 58%),
    radial-gradient(100% 82% at 102% 0%, rgba(255, 200, 87, .12), rgba(7, 11, 16, 0) 62%),
    var(--mca-void);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(138, 155, 168, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 155, 168, .07) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 74%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 74%);
}

.page-privacy .privacy-hero__crumb {
  margin-bottom: 22px;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 30px;
}

.page-privacy .privacy-hero__title {
  font-family: var(--mca-font-head);
  font-size: clamp(2.5rem, 12vw, 4.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  margin: .32em 0 .42em;
}

.page-privacy .privacy-hero__lead {
  max-width: 46ch;
  margin: 0 0 22px;
}

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

.page-privacy .privacy-hero__media {
  margin: 0;
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-lg);
  overflow: hidden;
  background: var(--mca-graphite);
}

.page-privacy .privacy-hero__media .mca-media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */

.page-privacy .privacy-body {
  display: grid;
  gap: 36px;
  padding-top: 44px;
  padding-bottom: 72px;
}

/* ---------- 章节目录 ---------- */

.page-privacy .privacy-toc {
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-md);
  background: linear-gradient(180deg, rgba(0, 229, 199, .07), rgba(21, 27, 34, .92) 62%);
  padding: 18px 16px 16px;
}

.page-privacy .privacy-toc__title {
  font-family: var(--mca-font-data);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mca-cyan);
  margin: 0 0 12px;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__list a {
  display: block;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--mca-radius-sm);
  color: var(--mca-mist);
  font-size: .92rem;
  line-height: 1.45;
  text-decoration: none;
  transition: color .22s var(--mca-ease), background .22s var(--mca-ease), border-color .22s var(--mca-ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--mca-glass);
  background: rgba(0, 229, 199, .09);
  border-left-color: var(--mca-cyan);
  outline: none;
}

.page-privacy .privacy-toc__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pv-hair);
  color: var(--mca-mist);
  font-size: .8rem;
  line-height: 1.6;
}

/* ---------- 文章 ---------- */

.page-privacy .privacy-article {
  display: grid;
  gap: 42px;
  min-width: 0;
}

.page-privacy .privacy-section {
  scroll-margin-top: calc(var(--mca-header-h) + 24px);
  min-width: 0;
}

.page-privacy .privacy-section + .privacy-section {
  padding-top: 40px;
  border-top: 1px solid var(--pv-hair-soft);
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .privacy-section__num {
  flex: none;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--mca-cyan);
  padding: 3px 10px;
  border: 1px solid rgba(0, 229, 199, .38);
  border-radius: var(--mca-pill);
}

.page-privacy .privacy-section__head h2 {
  margin: 0;
  font-family: var(--mca-font-head);
  font-size: clamp(1.45rem, 5.4vw, 2.05rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: .03em;
}

.page-privacy .privacy-section__lead {
  margin: 0 0 22px;
  max-width: 62ch;
  color: var(--mca-mist);
  font-size: .96rem;
  line-height: 1.75;
}

/* ---------- 信息卡片 ---------- */

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

.page-privacy .privacy-card {
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-md);
  background: var(--pv-card-bg);
  padding: 18px 18px 20px;
  transition: border-color .25s var(--mca-ease), transform .25s var(--mca-ease);
}

.page-privacy .privacy-card:hover {
  border-color: rgba(0, 229, 199, .42);
  transform: translateY(-3px);
}

.page-privacy .privacy-card h3 {
  margin: 0 0 9px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--mca-glass);
}

.page-privacy .privacy-card h3::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--mca-cyan);
  vertical-align: middle;
  margin-right: 9px;
}

.page-privacy .privacy-card p {
  margin: 0;
  color: var(--mca-mist);
  font-size: .9rem;
  line-height: 1.72;
}

.page-privacy .privacy-card p + p {
  margin-top: 8px;
}

/* ---------- 用途清单 ---------- */

.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: pvli;
}

.page-privacy .privacy-list li {
  position: relative;
  counter-increment: pvli;
  padding: 14px 16px 14px 56px;
  border: 1px solid var(--pv-hair-soft);
  border-radius: var(--mca-radius-sm);
  background: rgba(21, 27, 34, .58);
  color: var(--mca-mist);
  font-size: .91rem;
  line-height: 1.72;
}

.page-privacy .privacy-list li::before {
  content: counter(pvli, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 15px;
  font-family: var(--mca-font-data);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--mca-cyan);
}

.page-privacy .privacy-list strong {
  color: var(--mca-glass);
  font-weight: 600;
}

/* ---------- 存储条目 ---------- */

.page-privacy .privacy-rows {
  display: grid;
  border-top: 1px solid var(--pv-hair-soft);
}

.page-privacy .privacy-row {
  display: grid;
  gap: 7px;
  padding: 17px 0;
  border-bottom: 1px solid var(--pv-hair-soft);
}

.page-privacy .privacy-row__key {
  margin: 0;
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--mca-gold);
}

.page-privacy .privacy-row__val {
  margin: 0;
  color: var(--mca-mist);
  font-size: .91rem;
  line-height: 1.75;
}

/* ---------- 权利标签 ---------- */

.page-privacy .privacy-rights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-rights li {
  padding: 9px 16px;
  border: 1px solid rgba(0, 229, 199, .34);
  border-radius: var(--mca-pill);
  background: rgba(0, 229, 199, .07);
  color: var(--mca-glass);
  font-size: .86rem;
  line-height: 1.4;
}

/* ---------- 联系区块 ---------- */

.page-privacy .privacy-contact {
  display: grid;
  gap: 16px;
  padding: 22px 20px;
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-lg);
  background: linear-gradient(152deg, rgba(6, 59, 58, .58), rgba(21, 27, 34, .92) 62%);
}

.page-privacy .privacy-contact__item {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-privacy .privacy-contact__key {
  margin: 0;
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mca-mist);
}

.page-privacy .privacy-contact__val {
  margin: 0;
  color: var(--mca-glass);
  font-size: .95rem;
  line-height: 1.6;
  word-break: break-word;
}

.page-privacy .privacy-contact__hint {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(243, 247, 248, .16);
  color: var(--mca-mist);
  font-size: .84rem;
  line-height: 1.7;
}

/* ---------- 相关页面 ---------- */

.page-privacy .privacy-related {
  display: grid;
  gap: 12px;
  padding-top: 8px;
}

.page-privacy .privacy-related__link {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--pv-hair);
  border-radius: var(--mca-radius-md);
  text-decoration: none;
  background: rgba(21, 27, 34, .5);
  transition: border-color .24s var(--mca-ease), background .24s var(--mca-ease), transform .24s var(--mca-ease);
}

.page-privacy .privacy-related__link:hover,
.page-privacy .privacy-related__link:focus-visible {
  border-color: rgba(255, 200, 87, .5);
  background: rgba(255, 200, 87, .07);
  transform: translateY(-2px);
  outline: none;
}

.page-privacy .privacy-related__name {
  color: var(--mca-glass);
  font-size: .98rem;
  font-weight: 600;
  letter-spacing: .02em;
}

.page-privacy .privacy-related__desc {
  color: var(--mca-mist);
  font-size: .84rem;
  line-height: 1.6;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .privacy-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-privacy .privacy-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 26px 24px;
  }

  .page-privacy .privacy-contact__hint {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-privacy .privacy-row {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
    padding: 20px 0;
  }

  .page-privacy .privacy-row__key {
    padding-top: 2px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding: calc(var(--mca-header-h) + 56px) 0 72px;
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
    gap: 52px;
  }

  .page-privacy .privacy-hero__media .mca-media__img {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-body {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 64px;
    padding-top: 64px;
    padding-bottom: 96px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--mca-header-h) + 28px);
  }

  .page-privacy .privacy-article {
    gap: 52px;
  }

  .page-privacy .privacy-section + .privacy-section {
    padding-top: 48px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-section__lead,
  .page-privacy .privacy-cards,
  .page-privacy .privacy-list,
  .page-privacy .privacy-rows,
  .page-privacy .privacy-rights,
  .page-privacy .privacy-contact,
  .page-privacy .privacy-related {
    max-width: 780px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-card,
  .page-privacy .privacy-related__link,
  .page-privacy .privacy-toc__list a {
    transition: none;
  }

  .page-privacy .privacy-card:hover,
  .page-privacy .privacy-related__link:hover {
    transform: none;
  }
}