.page-privacy {
  --privacy-label: 200px;
  --privacy-pad: clamp(20px, 3vw, 34px);
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

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

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--stone);
}

.page-privacy .breadcrumb a {
  color: var(--sky);
  text-decoration: none;
}

.page-privacy .breadcrumb a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  margin-top: 16px;
  color: var(--sand);
  border-top: 4px solid var(--pitch);
  overflow: hidden;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(244, 237, 226, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 237, 226, 0.05) 1px, transparent 1px),
    linear-gradient(155deg, var(--ink) 0%, var(--ink-2) 72%, #373026 100%);
  background-size: 48px 48px, 48px 48px, 100% 100%;
}

.page-privacy .privacy-hero__inner {
  display: grid;
  gap: 26px;
  padding-top: clamp(28px, 5vw, 58px);
  padding-bottom: 0;
}

.page-privacy .privacy-hero__meta {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--on-dark-soft);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 7.5vw, 60px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-hero .lede {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--on-dark);
}

.page-privacy .privacy-hero__figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-bottom: 0;
  border-radius: var(--r-md) var(--r-md) 0 0;
  overflow: hidden;
}

.page-privacy .privacy-hero__figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 吸顶目录 ---------- */
.page-privacy .privacy-toc {
  position: sticky;
  top: 56px;
  z-index: 6;
  margin-top: 20px;
  padding: 10px 12px 12px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-toc__link {
  display: block;
  white-space: nowrap;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--stone);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy .privacy-toc__link:hover {
  color: var(--pitch-deep);
  background: rgba(47, 143, 78, 0.1);
}

.page-privacy .privacy-toc__link[aria-current] {
  background: var(--pitch);
  border-color: var(--pitch);
  color: #FFFFFF;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-sections {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  padding-top: clamp(30px, 5vw, 52px);
}

.page-privacy .privacy-section {
  scroll-margin-top: 132px;
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-sections > .privacy-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-section__head {
  margin-bottom: 20px;
}

.page-privacy .privacy-section__head h2 {
  margin: 8px 0 8px;
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-section__head .note {
  margin: 0;
  max-width: 42em;
}

.page-privacy .privacy-section--panel {
  scroll-margin-top: 132px;
  padding: var(--privacy-pad);
  background: var(--sand-lift);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--pitch);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
}

.page-privacy .privacy-section--dark {
  scroll-margin-top: 132px;
  padding: var(--privacy-pad);
  background: var(--ink);
  color: var(--sand);
  border-top: 0;
  border-radius: var(--r-lg);
}

.page-privacy .privacy-section--dark .privacy-section__head h2 {
  color: var(--sand);
}

.page-privacy .privacy-section--dark .privacy-term {
  color: var(--sand);
}

.page-privacy .privacy-section--dark .privacy-term::before {
  background: var(--pitch);
}

.page-privacy .privacy-section--dark .privacy-desc {
  color: var(--on-dark);
}

.page-privacy .privacy-section--dark .privacy-def {
  border-top-color: var(--line-dark);
}

/* ---------- 定义列表 ---------- */
.page-privacy .privacy-defs {
  margin: 0;
}

.page-privacy .privacy-def {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px dashed var(--line-soft);
}

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

.page-privacy .privacy-term {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--pitch-deep);
}

.page-privacy .privacy-term::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  background: var(--pitch);
  border-radius: 1px;
  transform: translateY(-1px);
}

.page-privacy .privacy-desc {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-privacy .privacy-desc a {
  color: var(--sky);
  text-decoration: underline;
  text-decoration-color: rgba(44, 110, 155, 0.4);
  text-underline-offset: 3px;
}

.page-privacy .privacy-desc a:hover {
  text-decoration-color: var(--sky);
}

/* ---------- 折叠条目 ---------- */
.page-privacy .privacy-details {
  margin-top: 18px;
  background: var(--sand-lift);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--sky);
  border-radius: var(--r-md);
}

.page-privacy .privacy-details__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  font-size: 15.5px;
  font-weight: 800;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-details__summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--pitch);
}

.page-privacy .privacy-details[open] .privacy-details__summary::after {
  content: "–";
}

.page-privacy .privacy-details__body {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

.page-privacy .privacy-details__body p {
  margin: 0;
  max-width: 44em;
}

/* ---------- 可执行选项 ---------- */
.page-privacy .privacy-choices {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-choice {
  padding: 20px 18px;
  background: var(--sand-lift);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-privacy .privacy-choice:hover {
  transform: translateY(-2px);
  border-color: var(--pitch);
}

.page-privacy .privacy-choice__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border-radius: var(--r-sm);
  background: rgba(47, 143, 78, 0.12);
  color: var(--pitch-deep);
}

.page-privacy .privacy-choice__icon svg {
  width: 20px;
  height: 20px;
}

.page-privacy .privacy-choice h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.005em;
}

.page-privacy .privacy-choice p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 联系色块 ---------- */
.page-privacy .privacy-contact {
  margin-top: clamp(28px, 4vw, 50px);
  padding: clamp(24px, 4vw, 42px);
  background: linear-gradient(135deg, var(--pitch-deep) 0%, var(--pitch) 100%);
  border-radius: var(--r-lg);
  color: var(--sand);
}

.page-privacy .privacy-contact h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-contact p {
  margin: 0 0 20px;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 237, 226, 0.9);
}

.page-privacy .privacy-contact__list {
  display: grid;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-size: 14px;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .privacy-contact .btn {
  text-decoration: none;
}

.page-privacy .privacy-contact .btn-solid-sand {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--ink);
}

.page-privacy .privacy-contact .btn-solid-sand:hover {
  background: var(--sand-lift);
  border-color: var(--sand-lift);
}

.page-privacy .privacy-contact .btn-ghost {
  border-color: rgba(244, 237, 226, 0.55);
  color: var(--sand);
}

.page-privacy .privacy-contact .btn-ghost:hover {
  background: rgba(244, 237, 226, 0.14);
  border-color: var(--sand);
}

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

@media (min-width: 820px) {
  .page-privacy .privacy-def {
    grid-template-columns: var(--privacy-label) minmax(0, 1fr);
    gap: 0 34px;
    align-items: start;
  }

  .page-privacy .privacy-term {
    padding-top: 4px;
  }

  .page-privacy .privacy-section__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 6px 32px;
  }

  .page-privacy .privacy-section__head .section-label {
    grid-column: 1 / -1;
  }

  .page-privacy .privacy-section__head h2 {
    grid-column: 1;
    margin-bottom: 0;
  }

  .page-privacy .privacy-section__head .note {
    grid-column: 2;
    max-width: 20em;
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 42px;
  }

  .page-privacy .privacy-hero__figure img {
    aspect-ratio: 2 / 1;
  }
}

@media (min-width: 1080px) {
  .page-privacy .privacy-choices {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-privacy .privacy-toc__list {
    justify-content: flex-start;
  }
}

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

  .page-privacy .privacy-choice:hover {
    transform: none;
  }
}