.page-privacy {
  --privacy-rail: 236px;
  --privacy-gap: clamp(28px, 6vw, 76px);
  --privacy-block: clamp(44px, 8vw, 92px);
  background:
    radial-gradient(1100px 560px at 10% -12%, rgba(56, 232, 200, 0.10), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(200, 162, 74, 0.13), transparent 64%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-privacy h1,
.page-privacy h2,
.page-privacy h3 {
  font-family: var(--font-heading);
}

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

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

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding: clamp(20px, 4vw, 36px) 0 clamp(38px, 7vw, 72px);
}

.page-privacy .privacy-hero__frame {
  position: relative;
  margin-top: 22px;
  padding: clamp(26px, 4.5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(155deg, rgba(19, 46, 39, 0.92), rgba(5, 11, 9, 0.74));
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-privacy .privacy-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--cyan) 55%, transparent);
  opacity: 0.85;
}

.page-privacy .privacy-hero__frame::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 232, 200, 0.16), transparent 68%);
  pointer-events: none;
}

.page-privacy h1 {
  margin: 12px 0 16px;
  font-size: clamp(34px, 6.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero .lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(16px, 1.5vw, 19px);
  color: rgba(232, 241, 236, 0.84);
}

.page-privacy .privacy-hero__points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-hero__points li {
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(200, 162, 74, 0.09);
  color: var(--gold-bright);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-hero__media {
  margin: clamp(26px, 4vw, 42px) 0 0;
  aspect-ratio: 2 / 1;
  border-radius: var(--radius-lg);
}

.page-privacy .privacy-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .privacy-shell {
  padding-bottom: var(--privacy-block);
}

.page-privacy .privacy-toc {
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: rgba(19, 46, 39, 0.55);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

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

.page-privacy .privacy-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  color: rgba(232, 241, 236, 0.8);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--gold-bright);
  border-color: var(--line);
  background: rgba(200, 162, 74, 0.1);
}

.page-privacy .privacy-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-privacy .privacy-body {
  margin-top: 34px;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  padding: clamp(30px, 5vw, 52px) 0;
  border-top: 1px dashed var(--line-soft);
}

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

.page-privacy .privacy-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy h2 {
  margin: 0;
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-index {
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
  transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

.page-privacy .privacy-section[data-visible] .privacy-index {
  color: var(--ink-deep);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-privacy .privacy-section p {
  max-width: 68ch;
  margin: 0 0 16px;
  color: rgba(232, 241, 236, 0.84);
}

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

.page-privacy .privacy-section a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 200, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .privacy-section a:hover,
.page-privacy .privacy-section a:focus-visible {
  color: var(--gold-bright);
  border-color: rgba(232, 197, 106, 0.6);
}

/* ---------- 条款条目 ---------- */
.page-privacy .privacy-list {
  display: grid;
  gap: 14px;
  max-width: 72ch;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  color: rgba(232, 241, 236, 0.82);
  font-size: 16px;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--gold);
}

.page-privacy .privacy-list strong {
  color: var(--gold-bright);
  font-weight: 600;
}

/* ---------- 用途卡片 ---------- */
.page-privacy .privacy-cards {
  display: grid;
  gap: 14px;
  margin: 22px 0;
}

.page-privacy .privacy-card {
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(19, 46, 39, 0.72), rgba(11, 31, 26, 0.5));
}

.page-privacy .privacy-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--paper);
}

.page-privacy .privacy-card p {
  max-width: none;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(232, 241, 236, 0.76);
}

/* ---------- 信息框 ---------- */
.page-privacy .privacy-callout {
  max-width: 68ch;
  margin: 22px 0 0;
  padding: 16px 20px;
  border: 1px solid rgba(56, 232, 200, 0.28);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-md);
  background: rgba(56, 232, 200, 0.06);
  font-size: 15px;
  color: rgba(232, 241, 236, 0.86);
}

/* ---------- 折叠说明 ---------- */
.page-privacy .privacy-details {
  max-width: 72ch;
  margin: 22px 0 0;
  padding: 16px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(19, 46, 39, 0.5);
}

.page-privacy .privacy-details summary {
  list-style: none;
  cursor: pointer;
  color: var(--gold-bright);
  font-size: 16px;
  font-weight: 600;
}

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

.page-privacy .privacy-details summary::after {
  content: "+";
  float: right;
  margin-left: 12px;
  font-family: var(--font-mono);
  color: var(--cyan);
}

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

.page-privacy .privacy-details p {
  max-width: none;
  margin: 12px 0 0;
  font-size: 15px;
  color: rgba(232, 241, 236, 0.8);
}

/* ---------- 联系信息 ---------- */
.page-privacy .privacy-contact {
  display: grid;
  gap: 12px;
  margin: 22px 0;
}

.page-privacy .privacy-contact__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(19, 46, 39, 0.5);
}

.page-privacy .privacy-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-privacy .privacy-contact__value {
  font-size: 16px;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 页尾动作 ---------- */
.page-privacy .privacy-related {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

.page-privacy .privacy-updated {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
}

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

  .page-privacy .privacy-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-shell {
    display: grid;
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: var(--privacy-gap);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
    padding: 20px;
  }

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

  .page-privacy .privacy-toc__list a {
    padding: 8px 12px;
    border-color: transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .privacy-body {
    margin-top: 0;
  }

  .page-privacy .privacy-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition: none !important;
  }
}