/* ===== 隐私政策页 ===== */
.page-privacy {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
}

/* Hero 深蓝横幅 */
.page-privacy__hero {
  background: var(--deep-blue);
  color: var(--white);
  padding: 28px 20px 34px;
}
.page-privacy__hero-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.page-privacy__hero .breadcrumb__link {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}
.page-privacy__hero .breadcrumb__link:hover,
.page-privacy__hero .breadcrumb__link:focus-visible {
  color: var(--orange);
}
.page-privacy__hero .breadcrumb__item + .breadcrumb__item::before {
  color: rgba(255, 255, 255, 0.35);
}
.page-privacy__hero .breadcrumb__item[aria-current="page"] {
  color: rgba(255, 255, 255, 0.88);
}
.page-privacy__hero-bar {
  width: 56px;
  height: 4px;
  border-radius: 2px;
  background: var(--orange);
  margin: 22px 0 14px;
}
.page-privacy__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 12px 0 14px;
}
.page-privacy__lede {
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.84);
  max-width: 740px;
  margin: 0;
}
.page-privacy__banner {
  margin: 30px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.page-privacy__banner-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

/* 文档主体 */
.page-privacy__doc {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 20px 72px;
  display: grid;
  gap: 30px;
}

/* 侧边目录 */
.page-privacy__toc {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 20px 18px;
  box-shadow: var(--shadow-sm);
  align-self: start;
}
.page-privacy__toc-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 12px;
}
.page-privacy__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}
.page-privacy__toc-list a {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.5;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.page-privacy__toc-list a:hover,
.page-privacy__toc-list a:focus-visible {
  background: var(--mist);
  color: var(--deep-blue);
  transform: translateX(3px);
}
.page-privacy__toc-extra {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--mist);
}
.page-privacy__toc-extra-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 8px;
}
.page-privacy__toc-extra-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}
.page-privacy__toc-extra-list a {
  display: block;
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--steel);
  text-decoration: none;
  font-size: 0.9rem;
}
.page-privacy__toc-extra-list a:hover,
.page-privacy__toc-extra-list a:focus-visible {
  color: var(--orange);
  background: var(--mist);
}

/* 正文章节 */
.page-privacy__content {
  display: grid;
  gap: 38px;
}
.page-privacy__section {
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.page-privacy__section-head {
  border-bottom: 2px solid var(--deep-blue);
  padding-bottom: 14px;
  margin-bottom: 18px;
}
.page-privacy__section-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.page-privacy__section-icon {
  width: 18px;
  height: 18px;
  color: var(--orange);
  flex: none;
}
.page-privacy__section-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--orange);
}
.page-privacy__section-title,
.page-privacy__contact-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--deep-blue);
  margin: 0;
}
.page-privacy__content p {
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 14px;
  max-width: 66ch;
}
.page-privacy__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-privacy__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--ink);
}
.page-privacy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  background: var(--orange);
}
.page-privacy__list strong {
  color: var(--deep-blue);
  font-weight: 700;
}

/* 折叠说明 */
.page-privacy__details {
  margin-top: 6px;
}
.page-privacy__details summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--deep-blue);
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.page-privacy__details summary::-webkit-details-marker {
  display: none;
}
.page-privacy__details summary:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-sm);
}
.page-privacy__details[open] summary {
  border-radius: var(--radius) var(--radius) 0 0;
  border-bottom-color: transparent;
}
.page-privacy__details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--orange);
  transition: transform 0.25s var(--ease);
}
.page-privacy__details[open] summary::after {
  transform: rotate(45deg);
}
.page-privacy__details-body {
  background: var(--white);
  border: 1px solid var(--mist);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 4px 16px 14px;
}
.page-privacy__details-body p {
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 2px;
  max-width: none;
}

/* 深色联系区块 */
.page-privacy__section--contact {
  background: var(--deep-blue);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
  color: rgba(255, 255, 255, 0.85);
}
.page-privacy__section--contact .page-privacy__section-head {
  border-bottom-color: rgba(255, 255, 255, 0.18);
}
.page-privacy__section--contact .page-privacy__section-title,
.page-privacy__section--contact .page-privacy__contact-title {
  color: var(--white);
}
.page-privacy__section--contact .page-privacy__section-num,
.page-privacy__section--contact .page-privacy__section-icon {
  color: var(--gold);
}
.page-privacy__section--contact p {
  color: rgba(255, 255, 255, 0.85);
}
.page-privacy__contact-desc {
  margin-bottom: 12px;
}
.page-privacy__contact-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(201, 162, 39, 0.4);
  border-radius: 6px;
  padding: 8px 14px;
  letter-spacing: 0.02em;
  word-break: break-all;
  margin: 2px 0 14px;
}
.page-privacy__contact-note {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.68);
  max-width: 52ch;
  margin-bottom: 0;
}
.page-privacy__contact-links {
  list-style: none;
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}
.page-privacy__contact-links a {
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-privacy__contact-links a:hover,
.page-privacy__contact-links a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

/* 桌面端双栏文档布局 */
@media (min-width: 900px) {
  .page-privacy__hero {
    padding: 40px 32px 48px;
  }
  .page-privacy__title {
    font-size: clamp(2.4rem, 5vw, 3.4rem);
    margin: 16px 0 20px;
  }
  .page-privacy__lede {
    font-size: 1.08rem;
  }
  .page-privacy__doc {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 48px;
    padding: 48px 32px 96px;
  }
  .page-privacy__toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 24px 20px;
  }
  .page-privacy__content {
    gap: 52px;
  }
  .page-privacy__section-title,
  .page-privacy__contact-title {
    font-size: 1.5rem;
  }
  .page-privacy__section--contact {
    padding: 36px 32px;
  }
}