.page-privacy {
  --p-maxw: 760px;
  --p-toc: 232px;
  position: relative;
  overflow-x: clip;
  background: var(--arena);
  color: var(--ink);
}

/* 面包屑 */
.page-privacy .page-privacy__crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: clamp(20px, 3vw, 36px);
  font-size: 14px;
  color: var(--muted);
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(26px, 4vw, 52px) 0 clamp(10px, 2vw, 20px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: -22%;
  right: -12%;
  top: -34%;
  height: 170%;
  pointer-events: none;
  background:
    radial-gradient(50% 54% at 20% 44%, rgba(43, 227, 210, 0.22), rgba(43, 227, 210, 0) 72%),
    radial-gradient(34% 40% at 82% 10%, rgba(255, 106, 31, 0.12), rgba(255, 106, 31, 0) 70%);
}

.page-privacy .privacy-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(42px, 9vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.page-privacy .privacy-hero__lede {
  max-width: 620px;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-privacy .privacy-hero__media {
  margin: clamp(26px, 4vw, 46px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-privacy .privacy-hero__media .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 目录 + 正文 双栏 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  padding-bottom: clamp(64px, 9vw, 128px);
}

.page-privacy .privacy-toc {
  min-width: 0;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-privacy .privacy-toc__link {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  background: var(--board);
  color: var(--ink-soft);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  background: var(--board-2);
  color: var(--cyan-soft);
}

.page-privacy .privacy-body {
  min-width: 0;
  max-width: var(--p-maxw);
}

/* 章节 */
.page-privacy .privacy-sec {
  padding: clamp(30px, 4vw, 46px) 0;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .privacy-sec + .privacy-sec {
  border-top: 1px solid var(--line);
}

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

.page-privacy .privacy-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-bottom: 18px;
}

.page-privacy .privacy-sec__band {
  display: inline-flex;
  gap: 3px;
  flex: 0 0 auto;
}

.page-privacy .privacy-sec__band i {
  display: block;
  width: 6px;
  height: 22px;
  border-radius: 2px;
  background: var(--orange);
}

.page-privacy .privacy-sec__band i + i {
  background: var(--cyan);
}

.page-privacy .privacy-sec__index {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-privacy .privacy-sec__title {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-privacy .privacy-sec:target .privacy-sec__title {
  color: var(--cyan-soft);
}

.page-privacy .privacy-sec__toggle {
  flex: 0 0 auto;
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .privacy-sec__toggle:hover,
.page-privacy .privacy-sec__toggle:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan);
}

.page-privacy .privacy-sec__toggle-closed {
  display: none;
}

.page-privacy .privacy-sec__toggle[aria-expanded="false"] .privacy-sec__toggle-open {
  display: none;
}

.page-privacy .privacy-sec__toggle[aria-expanded="false"] .privacy-sec__toggle-closed {
  display: inline;
}

/* 章节要点句 */
.page-privacy .privacy-point {
  margin: 0 0 20px;
  padding: 14px 18px;
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-md);
  background: rgba(43, 227, 210, 0.1);
  color: var(--cyan-soft);
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.7;
}

/* 正文与列表 */
.page-privacy .privacy-text {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-privacy .privacy-text + .privacy-text {
  margin-top: 14px;
}

.page-privacy .privacy-block {
  margin-bottom: 18px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--board);
}

.page-privacy .privacy-block__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .privacy-list {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-block .privacy-list {
  margin-bottom: 0;
}

.page-privacy .privacy-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-privacy .privacy-list__num {
  min-width: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-privacy .privacy-list__body {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-privacy .privacy-list__body strong {
  color: var(--ink);
  font-weight: 600;
}

.page-privacy .privacy-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 210, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-privacy .privacy-mail {
  color: var(--ink);
  font-size: 0.95em;
  word-break: break-all;
}

/* 返回顶部 */
.page-privacy .privacy-top {
  position: fixed;
  z-index: 40;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(78px, 12vw, 34px);
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--board-2);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

/* 桌面端：目录吸顶在左 */
@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--p-toc) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 68px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }

  .page-privacy .privacy-toc__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-toc__list li + li {
    margin-top: 2px;
  }

  .page-privacy .privacy-toc__link {
    white-space: normal;
    padding: 8px 0 8px 14px;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
    line-height: 1.5;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    background: transparent;
    border-left-color: var(--cyan);
    color: var(--cyan-soft);
  }

  .page-privacy .privacy-sec__head {
    flex-wrap: nowrap;
  }

  .page-privacy .privacy-top {
    right: clamp(20px, 3vw, 40px);
    bottom: 36px;
  }
}

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

  .page-privacy .privacy-top:hover,
  .page-privacy .privacy-top:focus-visible {
    transform: none;
  }
}