.page-privacy {
  --pp-measure: 38em;
  --pp-rail-w: 196px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 92% at 84% 0%, rgba(34, 230, 216, 0.14), transparent 58%),
    linear-gradient(165deg, var(--blue-mid) 0%, var(--bg) 68%);
}

.page-privacy .hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.3;
}

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

.page-privacy .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 10, 22, 0.35) 0%, rgba(6, 10, 22, 0.88) 72%, var(--bg) 100%);
}

.page-privacy .hero-inner {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) var(--gutter) clamp(2.25rem, 5vw, 3.5rem);
}

.page-privacy .hero-inner h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0.6rem 0 1rem;
}

.page-privacy .hero-lede {
  max-width: var(--pp-measure);
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink);
  opacity: 0.84;
}

.page-privacy .hero-facts {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem 1.5rem;
}

.page-privacy .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-privacy .fact-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-privacy .fact-label {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- 骨架 ---------- */
.page-privacy .privacy-shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(2.25rem, 5vw, 4rem) var(--gutter) clamp(4rem, 9vw, 7rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
}

/* ---------- 左侧章节索引 ---------- */
.page-privacy .privacy-rail {
  min-width: 0;
}

.page-privacy .rail-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.page-privacy .rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.5rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  padding: 0.42rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px 8px 8px 2px;
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .rail-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.7rem;
  color: var(--cyan);
}

.page-privacy .rail-link:hover,
.page-privacy .rail-link:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
  background: rgba(34, 230, 216, 0.08);
}

/* ---------- 正文版心 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-doc {
  max-width: var(--pp-measure);
}

/* ---------- 章节 ---------- */
.page-privacy .policy-section {
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-privacy .policy-section + .policy-section {
  margin-top: clamp(2.25rem, 5vw, 3.25rem);
  padding-top: clamp(2.25rem, 5vw, 3.25rem);
  border-top: 1px solid var(--line);
}

.page-privacy .policy-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-privacy .policy-num {
  flex: none;
  position: relative;
  top: -0.15em;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: 6px 6px 6px 2px;
  padding: 0.2rem 0.4rem;
}

.page-privacy .policy-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}

.page-privacy .policy-section p {
  margin: 0 0 1rem;
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--ink);
}

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

.page-privacy .policy-section a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 216, 0.45);
  transition: border-color 0.2s var(--ease);
}

.page-privacy .policy-section a:hover,
.page-privacy .policy-section a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-privacy .k {
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 0.05em;
}

/* ---------- 信息分类 ---------- */
.page-privacy .info-list {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.page-privacy .info-item {
  border-left: 2px solid var(--line);
  padding: 0.1rem 0 0.1rem 1.05rem;
}

.page-privacy .info-item[data-tone="cyan"] {
  border-left-color: var(--cyan);
}

.page-privacy .info-item[data-tone="orange"] {
  border-left-color: var(--orange);
}

.page-privacy .info-name {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0 0 0.4rem;
}

.page-privacy .policy-section .info-desc {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 用途列表 ---------- */
.page-privacy .usage-list {
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0;
}

.page-privacy .usage-item {
  display: grid;
  gap: 0.3rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line);
}

.page-privacy .usage-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .usage-key {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-privacy .usage-desc {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 保存与保护 ---------- */
.page-privacy .guard-rows {
  margin-top: 1.5rem;
  display: grid;
  gap: 0;
}

.page-privacy .guard-row {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.page-privacy .guard-row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .guard-key {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-privacy .guard-val {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 共享情形 ---------- */
.page-privacy .plain-list {
  list-style: none;
  margin: 1.25rem 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-privacy .plain-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .plain-list strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 权利面板 ---------- */
.page-privacy .right-list {
  margin-top: 1.5rem;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.page-privacy .right-item {
  background: var(--bg-2);
  padding: 1.15rem 1.25rem;
}

.page-privacy .right-name {
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--cyan);
  margin: 0 0 0.4rem;
}

.page-privacy .right-item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 联系与复制 ---------- */
.page-privacy .copy-field {
  margin: 1.5rem 0 1.25rem;
}

.page-privacy .policy-section .text-muted {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .guard-row {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 0 1.25rem;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-privacy .right-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-shell {
    grid-template-columns: var(--pp-rail-w) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
  }

  .page-privacy .rail-list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .rail-list li + li {
    margin-top: 0.15rem;
  }

  .page-privacy .rail-link {
    display: flex;
    width: 100%;
    margin-left: -1px;
    padding: 0.45rem 0 0.45rem 0.9rem;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
  }

  .page-privacy .rail-link:hover,
  .page-privacy .rail-link:focus-visible {
    color: var(--ink);
    border-left-color: var(--cyan);
    background: linear-gradient(90deg, rgba(34, 230, 216, 0.1), transparent 80%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .rail-link,
  .page-privacy .policy-section a {
    transition: none;
  }
}