.page-privacy {
  --privacy-line: rgba(255, 255, 255, 0.1);
  --privacy-soft: rgba(230, 237, 245, 0.78);
  position: relative;
  overflow-x: hidden;
  background: var(--deep-blue);
  color: var(--light-gray);
}

/* 面包屑 */
.page-privacy .privacy-crumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.75rem var(--rail-w) 0 1.5rem;
}

.page-privacy .privacy-crumb .crumb {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: var(--font-caption);
  letter-spacing: 0.08em;
}

.page-privacy .privacy-crumb li + li::before {
  content: "→";
  margin-right: 0.5rem;
  color: var(--electric-green);
}

.page-privacy .privacy-crumb a {
  color: var(--privacy-soft);
  text-decoration: none;
  transition: color 0.25s var(--ease-out);
}

.page-privacy .privacy-crumb a:hover {
  color: var(--electric-green);
}

.page-privacy .privacy-crumb [aria-current="page"] {
  color: var(--electric-green);
  font-weight: 500;
}

/* Hero */
.page-privacy .privacy-hero {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 3rem var(--rail-w) 0 1.5rem;
}

.page-privacy .privacy-hero__bar {
  width: 3.25rem;
  height: 4px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, var(--electric-green), var(--green-alt));
  margin-bottom: 1.5rem;
}

.page-privacy .privacy-hero .section-caption {
  margin: 0 0 0.25rem;
  color: var(--electric-green);
  letter-spacing: 0.14em;
}

.page-privacy .privacy-hero .display-title {
  margin: 0.5rem 0 1rem;
  max-width: 16em;
  font-size: clamp(2rem, 7vw, 4.75rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-hero .lead {
  max-width: 44rem;
  margin: 0 0 1.5rem;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  line-height: 1.65;
  color: var(--privacy-soft);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  padding-bottom: 1.5rem;
}

.page-privacy .privacy-hero__meta .mono {
  font-size: var(--font-data);
  color: rgba(230, 237, 245, 0.55);
}

.page-privacy .privacy-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 0 0 2rem;
  max-width: 32rem;
}

.page-privacy .privacy-stat {
  padding: 1rem 0.875rem;
  background: var(--glass);
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius);
  text-align: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-privacy .privacy-stat__num {
  display: block;
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  line-height: 1.1;
  color: var(--electric-green);
  font-weight: 400;
}

.page-privacy .privacy-stat__label {
  display: block;
  margin-top: 0.375rem;
  color: rgba(230, 237, 245, 0.55);
  letter-spacing: 0.04em;
}

.page-privacy .privacy-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--slate);
  border: 1px solid var(--privacy-line);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .privacy-hero__index {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  margin: 0;
  padding: 0.375rem 0.625rem;
  font-size: var(--font-caption);
  letter-spacing: 0.04em;
  color: var(--electric-green);
  background: rgba(10, 25, 47, 0.72);
  border-radius: 3px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* 主体布局 */
.page-privacy .privacy-layout {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 4.5rem var(--rail-w) 3rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.75rem;
  align-items: start;
}

/* 左侧目录 */
.page-privacy .privacy-toc {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-privacy .privacy-toc::before {
  content: "";
  display: block;
  width: 1.75rem;
  height: 3px;
  background: var(--electric-green);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
}

.page-privacy .privacy-toc__cap {
  display: block;
  margin-bottom: 1rem;
  color: var(--electric-green);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1rem;
}

.page-privacy .privacy-toc__list li {
  margin: 0;
}

.page-privacy .privacy-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.375rem 0;
  font-size: 0.875rem;
  color: rgba(230, 237, 245, 0.68);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

.page-privacy .privacy-toc__list a:hover {
  color: var(--white);
  border-color: var(--electric-green);
}

.page-privacy .privacy-toc__list a.is-spy-active {
  color: var(--electric-green);
  border-color: var(--electric-green);
}

.page-privacy .privacy-toc__list .mono {
  font-size: 0.6875rem;
  color: var(--electric-green);
}

.page-privacy .privacy-toc__note {
  margin: 1rem 0 0;
  color: rgba(230, 237, 245, 0.42);
  letter-spacing: 0.04em;
}

/* 条款区域 */
.page-privacy .privacy-content {
  min-width: 0;
  display: grid;
  gap: 3rem;
}

.page-privacy .privacy-section {
  position: relative;
  padding: 2.25rem 0 0;
  border-top: 1px solid var(--privacy-line);
}

.page-privacy .privacy-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 2.75rem;
  height: 3px;
  background: var(--electric-green);
  border-radius: var(--radius);
  z-index: 1;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-privacy .privacy-section__number {
  flex: none;
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  line-height: 1;
  color: var(--electric-green);
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.25);
  border-radius: var(--radius);
  user-select: none;
}

.page-privacy .privacy-section__icon {
  flex: none;
  width: 1.625rem;
  height: 1.625rem;
  color: var(--electric-green);
}

.page-privacy .privacy-section__title {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 1.2;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-privacy .privacy-section__lead {
  max-width: 40rem;
  margin: 0 0 1.125rem;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--electric-green);
}

.page-privacy .privacy-section__body {
  max-width: 46rem;
}

.page-privacy .privacy-section__body p {
  margin: 0 0 1rem;
  font-size: var(--font-body);
  line-height: var(--leading-body);
  color: var(--privacy-soft);
}

.page-privacy .privacy-section__body p:last-child {
  margin-bottom: 0;
}

/* 可展开详情 */
.page-privacy .privacy-details {
  margin-top: 1.5rem;
  border-left: 2px solid var(--electric-green);
  background: var(--glass);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-privacy .privacy-details summary {
  cursor: pointer;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  list-style: none;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--light-gray);
  user-select: none;
  transition: color 0.25s var(--ease-out);
}

.page-privacy .privacy-details summary:hover {
  color: var(--electric-green);
}

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

.page-privacy .privacy-details summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  flex: none;
  border: 1px solid var(--electric-green);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1;
  color: var(--electric-green);
  transition: transform 0.3s var(--ease-out), background-color 0.25s;
}

.page-privacy .privacy-details[open] summary::before {
  transform: rotate(45deg);
  background: var(--electric-green);
  color: var(--deep-blue);
}

.page-privacy .privacy-details__content {
  padding: 0 1.25rem 1.25rem 2.875rem;
  font-size: 0.9375rem;
  line-height: var(--leading-body);
  color: rgba(230, 237, 245, 0.72);
}

.page-privacy .privacy-details__content p {
  margin: 0 0 0.75rem;
}

.page-privacy .privacy-details__content p:last-child {
  margin-bottom: 0;
}

/* 联系区 */
.page-privacy .privacy-contact {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2rem var(--rail-w) 5rem 1.5rem;
}

.page-privacy .privacy-contact__card {
  position: relative;
  padding: 2rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--privacy-line);
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.05), transparent 40%), var(--slate);
  overflow: hidden;
}

.page-privacy .privacy-contact__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--electric-green), var(--green-alt));
}

.page-privacy .privacy-contact__title {
  margin: 0 0 0.75rem;
  font-size: 1.375rem;
  color: var(--white);
}

.page-privacy .privacy-contact__card p {
  margin: 0 0 0.75rem;
  max-width: 42rem;
  line-height: var(--leading-body);
  color: var(--privacy-soft);
}

.page-privacy .privacy-contact__mail {
  display: inline-block;
  margin: 0 0 1.25rem;
  padding: 0.5rem 0.75rem;
  background: var(--deep-blue);
  border-radius: 3px;
  color: var(--electric-green);
  font-size: var(--font-data);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-privacy .privacy-crumb {
    padding-left: 2.75rem;
    padding-top: 2.25rem;
  }

  .page-privacy .privacy-hero {
    padding-left: 2.75rem;
    padding-top: 4rem;
  }

  .page-privacy .privacy-hero__bar {
    width: 4rem;
  }

  .page-privacy .privacy-hero__stats {
    margin-bottom: 2.5rem;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 0;
    padding-left: 2.75rem;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
    margin-right: 3.5rem;
  }

  .page-privacy .privacy-toc__list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .page-privacy .privacy-toc__note {
    margin-top: 1.5rem;
  }

  .page-privacy .privacy-content {
    padding-bottom: 1rem;
  }

  .page-privacy .privacy-section {
    padding: 3.5rem 0 0;
  }

  .page-privacy .privacy-section__number {
    position: absolute;
    right: 0;
    top: 0.25rem;
    padding: 0;
    font-size: 7rem;
    line-height: 1;
    background: none;
    border: none;
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
  }

  .page-privacy .privacy-section__head,
  .page-privacy .privacy-section__lead,
  .page-privacy .privacy-section__body,
  .page-privacy .privacy-details {
    position: relative;
    z-index: 1;
  }

  .page-privacy .privacy-contact {
    padding-left: 2.75rem;
    padding-bottom: 6rem;
  }

  .page-privacy .privacy-contact__card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem 2.5rem;
    align-items: center;
    padding: 2.5rem 3rem;
  }

  .page-privacy .privacy-contact__title {
    margin-bottom: 0.25rem;
  }

  .page-privacy .privacy-contact__card p,
  .page-privacy .privacy-contact__mail {
    grid-column: 1;
    margin-bottom: 0.375rem;
  }

  .page-privacy .privacy-contact__actions {
    grid-column: 2;
    grid-row: 1 / span 3;
    display: grid;
    gap: 0.75rem;
    justify-items: start;
  }
}