.page-privacy {
  --paper-ink: var(--c-ink-paper);
  --paper-muted: rgba(15, 29, 40, 0.66);
  --paper-rule: rgba(15, 29, 40, 0.16);
  --paper-soft: rgba(15, 29, 40, 0.05);
  display: block;
  background: var(--bg);
  color: var(--fg);
}

/* ── 首屏 ── */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 88px) 0 clamp(34px, 5vw, 60px);
  background:
    radial-gradient(120% 130% at 10% 0%, rgba(87, 240, 138, 0.12), transparent 56%),
    radial-gradient(90% 120% at 96% 8%, rgba(255, 106, 43, 0.14), transparent 52%),
    linear-gradient(180deg, var(--c-night), var(--c-ink));
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(216, 205, 182, 0.07) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, rgba(216, 205, 182, 0.07) 0 1px, transparent 1px 56px);
  pointer-events: none;
}

.page-privacy .privacy-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-privacy .privacy-hero h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  font-weight: 700;
  max-width: 18em;
}

.page-privacy .privacy-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-privacy .privacy-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-privacy .privacy-hero__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--c-green);
  line-height: 1;
}

.page-privacy .privacy-hero__label {
  font-size: 13px;
  color: var(--c-white);
}

/* ── 主体布局 ── */
.page-privacy .privacy-body {
  padding: clamp(28px, 5vw, 64px) 0 clamp(48px, 8vw, 96px);
  background:
    linear-gradient(180deg, rgba(12, 26, 44, 0.7), transparent 320px),
    var(--bg);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

/* ── 侧栏 ── */
.page-privacy .privacy-side {
  display: grid;
  gap: 18px;
}

.page-privacy .privacy-side__fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--c-night);
  padding: 10px;
}

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

.page-privacy .privacy-side__fig .media__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-gray);
}

.page-privacy .privacy-toc {
  border: 1px solid var(--line);
  background: rgba(20, 38, 61, 0.72);
  padding: 18px 14px;
  backdrop-filter: blur(4px);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-orange);
}

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

.page-privacy .privacy-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-gray);
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  color: var(--c-white);
  background: rgba(231, 238, 246, 0.05);
}

.page-privacy .privacy-toc a.is-active {
  color: var(--c-green);
  border-left-color: var(--c-green);
  background: rgba(87, 240, 138, 0.08);
}

.page-privacy .privacy-toc .toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-orange);
}

/* ── 纸面文档 ── */
.page-privacy .privacy-doc {
  position: relative;
  background:
    repeating-linear-gradient(180deg, rgba(15, 29, 40, 0.018) 0 1px, transparent 1px 4px),
    var(--c-paper);
  color: var(--paper-ink);
  border: 1px solid var(--c-paper-line);
  border-radius: var(--radius);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.45);
  padding: clamp(22px, 5vw, 56px);
}

.page-privacy .privacy-doc::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  height: 1px;
  background: var(--c-paper-line);
}

.page-privacy .privacy-doc__meta {
  margin: 0 0 8px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--paper-rule);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-muted);
}

.page-privacy .privacy-sec {
  padding-top: clamp(28px, 4vw, 44px);
}

.page-privacy .privacy-sec + .privacy-sec {
  border-top: 1px solid var(--paper-rule);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .privacy-sec__head .chapter-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-forest);
  letter-spacing: -0.02em;
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.005em;
  color: var(--paper-ink);
}

.page-privacy .privacy-sec__lead {
  margin: 0 0 20px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper-ink);
}

.page-privacy .privacy-sec__lead a {
  color: var(--c-forest);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--c-orange);
  background: var(--paper-soft);
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-ink);
}

/* 分组卡片 */
.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-privacy .privacy-group {
  border: 1px solid var(--paper-rule);
  background: rgba(255, 255, 255, 0.34);
  padding: 18px 18px 16px;
}

.page-privacy .privacy-group__tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-forest);
}

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

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-ink);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  background: var(--c-green);
  box-shadow: 0 0 0 1px var(--c-forest);
}

.page-privacy .privacy-list a {
  color: var(--c-forest);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-guard .privacy-list li::before {
  background: var(--c-forest);
  box-shadow: none;
}

/* 用途对照 */
.page-privacy .privacy-usage {
  margin: 0;
  border-top: 1px solid var(--paper-rule);
}

.page-privacy .privacy-usage__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--paper-rule);
}

.page-privacy .privacy-usage__row dt {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper-ink);
}

.page-privacy .privacy-usage__row dt::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--c-orange);
}

.page-privacy .privacy-usage__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-muted);
}

/* 保存期限 */
.page-privacy .privacy-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .privacy-timeline li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0 16px 16px;
  border-left: 2px solid var(--c-paper-line);
}

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

.page-privacy .privacy-timeline__key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-forest);
}

.page-privacy .privacy-timeline__val {
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-ink);
}

/* 安全措施 */
.page-privacy .privacy-guard {
  margin-top: 24px;
  padding: 20px 18px;
  border: 1px solid var(--c-forest);
  background: rgba(15, 122, 66, 0.06);
}

.page-privacy .privacy-guard__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-forest);
}

/* 权利 */
.page-privacy .privacy-actions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-privacy .privacy-actions li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px dashed var(--paper-rule);
}

.page-privacy .privacy-actions strong {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--c-forest);
}

.page-privacy .privacy-actions span {
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-muted);
}

/* 折叠段落 */
.page-privacy .privacy-more {
  margin-top: 22px;
  border-top: 1px dashed var(--paper-rule);
  padding-top: 14px;
}

.page-privacy .privacy-more > summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-forest);
}

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

.page-privacy .privacy-more > summary::before {
  content: "＋";
  display: inline-block;
  width: 18px;
  font-family: var(--font-mono);
  color: var(--c-orange);
}

.page-privacy .privacy-more[open] > summary::before {
  content: "－";
}

.page-privacy .privacy-more p {
  margin: 12px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-muted);
}

/* 交叉链接 */
.page-privacy .privacy-cross {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--paper-rule);
}

.page-privacy .privacy-cross__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-muted);
}

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

.page-privacy .privacy-cross__links .btn {
  border-color: var(--paper-rule);
  color: var(--paper-ink);
}

.page-privacy .privacy-cross__links .btn--accent {
  border-color: var(--c-orange);
  background: var(--c-orange);
  color: #fff;
}

.page-privacy .privacy-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  padding: 8px 16px;
  border: 1px solid var(--paper-rule);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-forest);
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .privacy-top::before {
  content: "↑";
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: var(--c-forest);
  color: var(--c-paper);
}

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

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

  .page-privacy .privacy-usage__row {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-privacy .privacy-timeline li {
    grid-template-columns: minmax(0, 170px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 48px;
  }

  .page-privacy .privacy-side {
    position: sticky;
    top: calc(var(--hdr-h) + 24px);
  }

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

  .page-privacy .privacy-grid {
    gap: 16px;
  }
}

@media (min-width: 1120px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 288px minmax(0, 1fr);
    gap: 60px;
  }
}

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