.page-privacy {
  --privacy-rail: 156px;
  display: block;
  background:
    radial-gradient(120% 70% at 88% 0%, rgba(0, 229, 195, 0.07), transparent 62%),
    radial-gradient(90% 60% at 6% 100%, rgba(255, 107, 53, 0.06), transparent 60%),
    var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-block: clamp(20px, 3.5vw, 40px) clamp(56px, 9vw, 112px);
  overflow-x: hidden;
}

.page-privacy .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  display: grid;
  gap: 16px;
  padding-bottom: clamp(24px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero__rail {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--signal);
}

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

.page-privacy .privacy-hero__body h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-privacy .privacy-hero__body .lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.9;
  color: rgba(230, 237, 247, 0.84);
}

/* ---------- 首图 ---------- */
.page-privacy .privacy-figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-750));
  overflow: hidden;
}

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

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  margin-block: clamp(28px, 4vw, 46px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 34, 64, 0.92), rgba(12, 27, 49, 0.66));
  padding: 16px 18px 18px;
}

.page-privacy .privacy-toc__summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  list-style: none;
  padding: 4px 0;
}

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

.page-privacy .privacy-toc__summary::before {
  content: "▸ ";
  color: var(--signal);
}

.page-privacy .privacy-toc[open] .privacy-toc__summary::before {
  content: "▾ ";
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(230, 237, 247, 0.86);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .privacy-toc__link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--signal);
  border-left-color: var(--signal);
  background-color: rgba(255, 107, 53, 0.06);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  display: grid;
  gap: 14px;
  padding-block: clamp(26px, 4.2vw, 48px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-section__rail {
  display: flex;
  align-items: flex-start;
}

.page-privacy .privacy-section__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(38px, 6vw, 66px);
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: var(--gold);
  text-shadow: 0 0 24px rgba(240, 180, 41, 0.18);
}

.page-privacy .privacy-section__body {
  max-width: 68ch;
}

.page-privacy .privacy-section__body h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.7vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}

.page-privacy .privacy-section__body p {
  margin: 0 0 1.05em;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(230, 237, 247, 0.82);
}

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

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 4px 0 1.2em;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-list > li {
  border-left: 2px solid var(--line-signal);
  padding: 2px 0 2px 16px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(230, 237, 247, 0.82);
}

.page-privacy .privacy-list__label {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  margin-top: 22px;
  border: 1px solid var(--line-gold);
  border-left: 3px solid var(--gold);
  background: linear-gradient(135deg, rgba(17, 34, 64, 0.9), rgba(10, 22, 40, 0.55));
  padding: 20px 20px 18px;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-contact__row {
  display: grid;
  gap: 3px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .privacy-contact__row:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

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

.page-privacy .privacy-contact__val {
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .privacy-contact__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(136, 146, 168, 0.95);
}

/* ---------- 延伸链接 ---------- */
.page-privacy .privacy-related {
  margin-top: clamp(34px, 5vw, 58px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-related__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-privacy .privacy-related__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-privacy .privacy-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: 1px solid var(--line-cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
  transform: translateX(2px);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 860px) {
  .page-privacy .privacy-hero {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    padding-bottom: clamp(30px, 4vw, 52px);
  }

  .page-privacy .privacy-hero__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 8px;
  }

  .page-privacy .privacy-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
  }

  .page-privacy .privacy-section {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-privacy .privacy-section__body h2 {
    margin-top: -4px;
  }

  .page-privacy .privacy-contact__row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-link {
    transition: none;
  }
  .page-privacy .privacy-link:hover,
  .page-privacy .privacy-link:focus-visible {
    transform: none;
  }
}