.page-privacy {
  --priv-side: 236px;
  --priv-gap: 60px;
  --priv-top: 96px;
}

/* ---------- 页面头部 ---------- */
.page-privacy .priv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
}

.page-privacy .priv-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.34;
}

.page-privacy .priv-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(63, 227, 206, 0.14) 0%, transparent 58%),
    linear-gradient(180deg, rgba(7, 12, 22, 0.5) 0%, rgba(7, 12, 22, 0.86) 58%, var(--ink-900) 100%);
}

.page-privacy .priv-hero__body {
  padding-block: clamp(26px, 5vw, 44px) clamp(44px, 7vw, 76px);
  padding-inline: clamp(18px, 4vw, 32px);
}

.page-privacy .priv-hero .crumbs {
  margin-bottom: clamp(30px, 6vw, 58px);
}

.page-privacy .priv-hero .eyebrow {
  margin: 0 0 14px;
}

.page-privacy .priv-hero__title {
  margin: 0 0 20px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-privacy .priv-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15.5px, 1.9vw, 18px);
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 主布局 ---------- */
.page-privacy .priv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-inline: clamp(18px, 4vw, 32px);
  padding-block: clamp(34px, 6vw, 64px) clamp(56px, 9vw, 104px);
}

.page-privacy .priv-body {
  min-width: 0;
}

/* ---------- 侧向锚点目录 ---------- */
.page-privacy .priv-toc__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-privacy .priv-toc__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .priv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .priv-toc__link:hover,
.page-privacy .priv-toc__link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--line-strong);
}

.page-privacy .priv-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 条款 ---------- */
.page-privacy .clause {
  scroll-margin-top: var(--priv-top);
  border-top: 1px solid var(--line);
  padding-block: 26px 8px;
}

.page-privacy .clause:first-child {
  border-top-color: var(--line-2);
}

.page-privacy .clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 16px;
}

.page-privacy .clause__num {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.5vw, 23px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .clause p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--text);
}

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

.page-privacy .clause ul {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  max-width: 68ch;
}

.page-privacy .clause li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 11px;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .clause li:last-child {
  margin-bottom: 0;
}

.page-privacy .clause li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .clause li strong {
  font-weight: 700;
  color: var(--text);
}

.page-privacy .clause a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .clause a:hover,
.page-privacy .clause a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

/* ---------- 折叠条款 ---------- */
.page-privacy .clause--fold > .clause__head {
  margin-bottom: 0;
  cursor: pointer;
  list-style: none;
  transition: opacity 0.16s var(--ease);
}

.page-privacy .clause--fold > .clause__head::-webkit-details-marker {
  display: none;
}

.page-privacy .clause--fold > .clause__head::marker {
  content: "";
}

.page-privacy .clause--fold > .clause__head::after {
  content: "+";
  margin-left: auto;
  flex: none;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.18s var(--ease);
}

.page-privacy .clause--fold[open] > .clause__head {
  margin-bottom: 16px;
}

.page-privacy .clause--fold[open] > .clause__head::after {
  content: "−";
}

.page-privacy .clause--fold > .clause__head:hover .clause__title,
.page-privacy .clause--fold > .clause__head:focus-visible .clause__title {
  color: var(--cyan);
}

.page-privacy .clause__panel {
  padding-bottom: 4px;
  animation: priv-fade 0.24s var(--ease);
}

.page-privacy .clause__panel p:last-child,
.page-privacy .clause__panel ul:last-child {
  margin-bottom: 0;
}

@keyframes priv-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 联系方式清单 ---------- */
.page-privacy .priv-channels {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  max-width: 68ch;
  border-top: 1px solid var(--line);
}

.page-privacy .priv-channels li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: baseline;
  padding: 11px 0 11px 0;
  margin-bottom: 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .priv-channels li::before {
  display: none;
}

.page-privacy .priv-channels__key {
  flex: none;
  min-width: 72px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-privacy .priv-channels__val {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

.page-privacy .priv-channels__val--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-privacy .priv-legal-line {
  margin-top: 18px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 桌面：非对称两栏 ---------- */
@media (min-width: 960px) {
  .page-privacy .priv-layout {
    grid-template-columns: var(--priv-side) minmax(0, 1fr);
    gap: var(--priv-gap);
    align-items: start;
  }

  .page-privacy .priv-toc {
    position: sticky;
    top: var(--priv-top);
    border-left: 1px solid var(--line);
    padding-left: 20px;
  }

  .page-privacy .priv-toc__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-privacy .priv-toc__link {
    padding: 8px 0;
  }

  .page-privacy .clause {
    padding-block: 34px 12px;
  }

  .page-privacy .clause + .clause {
    margin-top: 12px;
  }
}

@media (min-width: 1280px) {
  .page-privacy {
    --priv-gap: 84px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause__panel {
    animation: none;
  }

  .page-privacy .priv-toc__link,
  .page-privacy .clause a,
  .page-privacy .clause--fold > .clause__head::after {
    transition: none;
  }
}