.page-privacy {
  --pv-narrow: 46rem;
  --pv-pad: clamp(18px, 5vw, 40px);
  --pv-line: 1px solid var(--grid);
  background: var(--black);
  color: var(--text);
  font-family: var(--font-body);
  padding-top: clamp(84px, 12vh, 128px);
}

.page-privacy,
.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

.page-privacy .privacy-band {
  height: 1px;
  background: linear-gradient(90deg, var(--red) 0%, var(--red-deep) 42%, var(--grid) 68%, var(--cyan) 100%);
}

.page-privacy .privacy-narrow {
  width: 100%;
  max-width: var(--pv-narrow);
  margin-inline: auto;
  padding-inline: var(--pv-pad);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-top: clamp(26px, 5vw, 46px);
}

.page-privacy .privacy-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .privacy-crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-privacy .privacy-crumb span[aria-hidden] {
  color: var(--grid);
}

.page-privacy .privacy-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .privacy-lead {
  margin: 0 0 26px;
  max-width: 42rem;
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.9;
  color: var(--text);
}

.page-privacy .privacy-meta {
  margin: 0;
  padding-top: 12px;
  border-top: var(--pv-line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-privacy .privacy-media {
  padding: clamp(22px, 4vw, 38px) var(--pv-pad) 0;
}

.page-privacy .privacy-media-inner {
  position: relative;
  max-width: 68rem;
  margin-inline: auto;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--grid);
}

.page-privacy .privacy-media-inner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-privacy .privacy-media-inner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 26% 30%, var(--glow), transparent 62%);
  pointer-events: none;
}

/* ---------- 条款索引 ---------- */
.page-privacy .privacy-toc {
  margin-top: clamp(26px, 5vw, 44px);
  padding: 14px 0;
  border-top: var(--pv-line);
  border-bottom: var(--pv-line);
}

.page-privacy .privacy-toc ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 2px;
  font-size: var(--fs-14);
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-privacy .privacy-toc-idx {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--red);
}

/* ---------- 条款小节 ---------- */
.page-privacy .privacy-sec {
  position: relative;
}

.page-privacy .privacy-sec details {
  border-top: var(--pv-line);
}

.page-privacy .privacy-sec:first-of-type details {
  border-top: none;
}

.page-privacy .privacy-sec summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 14px;
  padding: clamp(22px, 4vw, 32px) 0 clamp(14px, 2.4vw, 20px);
  cursor: pointer;
  list-style: none;
}

.page-privacy .privacy-sec details[open] summary {
  padding-bottom: 12px;
}

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

.page-privacy .privacy-sec summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 4px;
}

.page-privacy .privacy-sec summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-privacy .privacy-sec details[open] summary::after {
  content: "−";
  color: var(--cyan);
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-num {
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-privacy .privacy-sec.is-active .privacy-num {
  color: var(--red);
}

.page-privacy .privacy-body {
  padding-bottom: clamp(24px, 4vw, 36px);
}

.page-privacy .privacy-body p {
  margin: 0 0 1.05em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text);
}

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

.page-privacy .privacy-body .privacy-note {
  border-left: 2px solid var(--grid);
  padding-left: 14px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-list {
  margin: 0 0 1.15em;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-top: var(--pv-line);
}

.page-privacy .privacy-list li:last-child {
  border-bottom: var(--pv-line);
}

.page-privacy .privacy-list strong {
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}

.page-privacy .privacy-list span {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 分类卡 ---------- */
.page-privacy .privacy-cards {
  display: grid;
  gap: 16px;
  margin-bottom: 1.15em;
}

.page-privacy .privacy-card {
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--grid);
  border-left: 2px solid var(--red);
}

.page-privacy .privacy-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: 0;
  color: var(--paper);
}

.page-privacy .privacy-card .privacy-list {
  margin-bottom: 0;
}

.page-privacy .privacy-card .privacy-list li:first-child {
  border-top: none;
  padding-top: 4px;
}

.page-privacy .privacy-card .privacy-list li:last-child {
  border-bottom: none;
  padding-bottom: 4px;
}

/* ---------- 深色面板 ---------- */
.page-privacy .privacy-panel {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  background: var(--panel);
  border: 1px solid var(--grid);
}

.page-privacy .privacy-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 60px;
  height: 2px;
  background: var(--red);
}

.page-privacy .privacy-panel p:first-child {
  margin-top: 0;
}

/* ---------- 反色小节 ---------- */
.page-privacy .privacy-sec--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-privacy .privacy-sec--paper details {
  border-top: 1px solid rgba(26, 26, 34, 0.16);
}

.page-privacy .privacy-sec--paper h2 {
  color: var(--ink);
}

.page-privacy .privacy-sec--paper .privacy-num {
  color: var(--red-deep);
}

.page-privacy .privacy-sec--paper summary::after {
  color: var(--red);
}

.page-privacy .privacy-sec--paper details[open] summary::after {
  color: var(--red-deep);
}

.page-privacy .privacy-sec--paper.is-active .privacy-num {
  color: var(--red-deep);
}

.page-privacy .privacy-sec--paper .privacy-body p {
  color: var(--ink);
}

.page-privacy .privacy-sec--paper .privacy-list li {
  border-color: rgba(26, 26, 34, 0.16);
}

.page-privacy .privacy-sec--paper .privacy-list strong {
  color: var(--ink);
}

.page-privacy .privacy-sec--paper .privacy-list span {
  color: #55555f;
}

.page-privacy .privacy-sec--paper .privacy-link-inline {
  color: var(--red-deep);
  border-bottom-color: var(--red-deep);
}

.page-privacy .term {
  color: var(--paper);
  border-bottom: 1px solid var(--red);
  padding-bottom: 1px;
}

.page-privacy .privacy-sec--paper .term {
  color: var(--ink);
  border-bottom-color: var(--red-deep);
}

.page-privacy .privacy-link-inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-link-inline:hover,
.page-privacy .privacy-link-inline:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 页尾延伸 ---------- */
.page-privacy .privacy-foot {
  border-top: var(--pv-line);
  padding: clamp(32px, 5vw, 52px) 0 clamp(40px, 6vw, 72px);
}

.page-privacy .privacy-foot-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-links {
  display: grid;
  gap: 14px;
  margin-bottom: 26px;
}

.page-privacy .privacy-link {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--grid);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .privacy-link::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width var(--dur) var(--ease);
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  border-color: var(--cyan);
}

.page-privacy .privacy-link:hover::before,
.page-privacy .privacy-link:focus-visible::before {
  width: 24px;
}

.page-privacy .privacy-link strong {
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .privacy-link span {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--muted);
}

.page-privacy .privacy-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-privacy .privacy-cards {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 420px) {
  .page-privacy .privacy-sec summary {
    gap: 10px;
  }

  .page-privacy .privacy-title {
    font-size: 30px;
  }
}

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