.page-privacy {
  --privacy-sticky: 88px;
  --privacy-rule: rgba(30, 74, 99, 0.5);
  --privacy-key-bg: rgba(255, 180, 84, 0.1);
  --privacy-text: rgba(234, 242, 246, 0.84);
  --privacy-text-soft: rgba(234, 242, 246, 0.62);
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  overflow-wrap: break-word;
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(22px, 4vw, 46px) 0 clamp(26px, 3.6vw, 44px);
  background:
    radial-gradient(115% 95% at 86% -25%, rgba(123, 209, 232, 0.15), transparent 62%),
    radial-gradient(80% 70% at 4% 110%, rgba(182, 242, 74, 0.08), transparent 70%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  border-bottom: 1px solid var(--edge-soft);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(123, 209, 232, 0.075) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(0deg, rgba(123, 209, 232, 0.055) 0 1px, transparent 1px 58px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 82%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero h1 {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 22ch;
  font-size: clamp(30px, 5.4vw, 62px);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-hero__lead {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--privacy-text);
}

.page-privacy .privacy-hero__stamp {
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  line-height: 1.9;
  color: var(--mist);
  padding-left: 14px;
  border-left: 2px solid var(--lime-500);
}

/* ---------- 通栏图 ---------- */
.page-privacy .privacy-banner {
  margin: 0;
  border-bottom: 1px solid var(--edge-soft);
  background: var(--ink-900);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: clamp(150px, 24vw, 300px);
  object-fit: cover;
  max-width: 100%;
  opacity: 0.72;
}

/* ---------- 主体两栏 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(26px, 4vw, 52px) 0 clamp(48px, 7vw, 88px);
}

/* ---------- 侧栏目录 ---------- */
.page-privacy .privacy-toc {
  border: 1px solid var(--edge-soft);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 14px clamp(12px, 2vw, 18px) 16px;
  align-self: start;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime-500);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--edge-soft);
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  font-size: 13px;
  line-height: 1.4;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--white);
  border-left-color: var(--lime-500);
  background: rgba(182, 242, 74, 0.07);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lime-500);
}

.page-privacy .privacy-toc__foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--privacy-rule);
  font-size: 13px;
  line-height: 1.75;
  color: var(--privacy-text-soft);
}

.page-privacy .privacy-toc__foot p {
  margin: 0 0 6px;
}

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

.page-privacy .privacy-toc__foot a {
  color: var(--lime-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(214, 255, 122, 0.42);
}

.page-privacy .privacy-toc__foot a:hover,
.page-privacy .privacy-toc__foot a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--lime-500);
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
  max-width: 74ch;
}

.page-privacy .privacy-chapter {
  scroll-margin-top: calc(var(--privacy-sticky) + 16px);
  border-top: 1px solid var(--privacy-rule);
  padding-top: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(22px, 3.2vw, 36px);
}

.page-privacy .privacy-body > .privacy-chapter:first-of-type {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.page-privacy .privacy-chapter > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 0 0 12px;
}

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

.page-privacy .privacy-chapter > summary::marker {
  content: "";
}

.page-privacy .privacy-chapter > summary::after {
  content: "收起";
  margin-left: auto;
  flex: none;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-privacy .privacy-chapter:not([open]) > summary::after {
  content: "展开";
}

.page-privacy .ch-num {
  flex: none;
  margin-top: 3px;
  padding: 3px 6px;
  border: 1px solid var(--edge);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1;
  color: var(--lime-500);
}

.page-privacy .privacy-chapter h2 {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(19px, 2.4vw, 27px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-privacy .privacy-chapter:target > summary h2 {
  color: var(--lime-300);
}

.page-privacy .privacy-chapter:target > summary .ch-num {
  background: rgba(182, 242, 74, 0.12);
  border-color: var(--lime-500);
}

.page-privacy .clause-list {
  counter-reset: clause;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .clause-list > li {
  counter-increment: clause;
  position: relative;
  padding-left: 42px;
  font-size: clamp(15px, 1.4vw, 16px);
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--privacy-text);
}

.page-privacy .clause-list > li::before {
  content: counter(clause, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-privacy .clause-list > li.is-key {
  background: var(--privacy-key-bg);
  border-left: 2px solid var(--amber-500);
  padding: 10px 14px 10px 46px;
  color: var(--white);
}

.page-privacy .clause-list > li.is-key::before {
  left: 14px;
  top: 14px;
  color: var(--amber-500);
}

/* ---------- 结尾延伸 ---------- */
.page-privacy .privacy-more {
  margin-top: clamp(26px, 3.8vw, 44px);
  padding: 16px 18px;
  border: 1px dashed var(--edge);
  background: rgba(18, 51, 73, 0.35);
  font-size: 14px;
  line-height: 1.85;
  color: var(--privacy-text-soft);
}

.page-privacy .privacy-more p {
  margin: 0;
}

.page-privacy .privacy-more a {
  color: var(--lime-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(214, 255, 122, 0.42);
}

.page-privacy .privacy-more a:hover,
.page-privacy .privacy-more a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--lime-500);
}

.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--lime-500);
  outline-offset: 3px;
}

/* ---------- 桌面版 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 64px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: var(--privacy-sticky);
    padding: 18px 16px 20px;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
    gap: 4px;
  }

  .page-privacy .privacy-toc__link {
    display: flex;
    width: 100%;
    white-space: normal;
    border: 0;
    border-left: 2px solid var(--edge-soft);
    padding: 8px 10px;
    font-size: 13.5px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-hero h1 {
    max-width: 24ch;
  }
}

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