.page-privacy {
  --pw-read: 68ch;
  --pw-rail: 200px;
  --pw-gap: 32px;
  background: var(--paper);
  color: var(--ink-brown);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-privacy .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(43, 224, 208, 0.16) 0%, rgba(43, 224, 208, 0) 58%),
    linear-gradient(168deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--ice);
  padding: 28px 0 0;
  overflow: hidden;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -46% -10%;
  height: 60%;
  background: linear-gradient(8deg, rgba(255, 90, 31, 0.14) 0%, rgba(255, 90, 31, 0) 62%);
  pointer-events: none;
}

.page-privacy .privacy-hero .shell {
  position: relative;
  z-index: 1;
  padding-bottom: 26px;
}

.page-privacy .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-privacy .breadcrumbs a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-privacy .breadcrumbs a:hover {
  border-bottom-color: var(--cyan);
}

.page-privacy .hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-privacy .hero-dot {
  width: 8px;
  height: 8px;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(43, 224, 208, 0.18);
  flex: none;
}

.page-privacy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 16em;
}

.page-privacy .hero-lead {
  max-width: 44em;
  color: rgba(247, 250, 252, 0.82);
  font-size: 16px;
  margin: 0 0 24px;
}

.page-privacy .hero-meta {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(247, 250, 252, 0.16);
  display: grid;
  gap: 10px;
  font-size: 13px;
  color: rgba(247, 250, 252, 0.72);
}

.page-privacy .hero-meta .mono {
  display: block;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-privacy .hero-figure {
  position: relative;
  z-index: 1;
  margin: 0;
  border-top: 1px solid rgba(247, 250, 252, 0.16);
}

.page-privacy .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
  opacity: 0.9;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  padding: 36px 0 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pw-gap);
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  border: 1px solid var(--line-paper);
  background: rgba(247, 250, 252, 0.5);
  padding: 16px 18px;
}

.page-privacy .toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--press);
  text-transform: uppercase;
}

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

.page-privacy .toc-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--ink-brown);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

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

.page-privacy .toc-num {
  color: var(--press);
  font-size: 11px;
  letter-spacing: 0.06em;
  flex: none;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-article {
  max-width: var(--pw-read);
}

.page-privacy .privacy-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 30px 0;
  border-top: 1px solid var(--line-paper);
}

.page-privacy .privacy-section:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .sec-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--press);
  border: 1px solid var(--press);
  padding: 1px 7px;
  line-height: 1.6;
}

.page-privacy h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 5vw, 30px);
  line-height: 1.3;
  margin: 8px 0 14px;
  color: var(--ink-brown);
}

.page-privacy h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 10px 0 6px;
  line-height: 1.5;
}

.page-privacy p {
  margin: 0 0 14px;
}

.page-privacy .sec-main a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 111, 118, 0.4);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-privacy .sec-main a:hover {
  color: var(--press);
  border-bottom-color: var(--press);
}

/* ---------- 信息类型卡 ---------- */
.page-privacy .info-list {
  list-style: none;
  margin: 18px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .info-card {
  border: 1px solid var(--line-paper);
  border-left: 3px solid var(--graphite);
  padding: 14px 16px;
  background: rgba(247, 250, 252, 0.62);
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.page-privacy .info-card:hover {
  border-color: var(--teal);
  border-left-color: var(--lava);
  transform: translateY(-2px);
}

.page-privacy .info-card p {
  margin: 0;
  font-size: 15px;
}

.page-privacy .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border: 1px solid var(--teal);
  color: var(--teal);
  background: rgba(43, 224, 208, 0.1);
}

.page-privacy .tag--lava {
  border-color: var(--press);
  color: var(--press);
  background: rgba(255, 90, 31, 0.12);
}

/* ---------- 折叠说明 ---------- */
.page-privacy .privacy-details {
  border: 1px solid var(--line-paper);
  background: rgba(247, 250, 252, 0.4);
  padding: 10px 14px;
  margin-top: 6px;
}

.page-privacy .privacy-details summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ink-brown);
  list-style: none;
  padding-left: 18px;
  position: relative;
}

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

.page-privacy .privacy-details summary::before {
  content: "+";
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--lava);
  font-size: 16px;
  line-height: 1.5;
}

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

.page-privacy .privacy-details[open] {
  border-left: 3px solid var(--lava);
}

.page-privacy .privacy-details p {
  margin: 12px 0 2px;
  font-size: 15px;
}

/* ---------- 本地存储示意图 ---------- */
.page-privacy .flow-figure {
  margin: 22px 0;
  padding: 16px 12px 12px;
  border: 1px solid var(--line-paper);
  background: var(--paper);
  box-shadow: 6px 6px 0 rgba(26, 18, 14, 0.08);
}

.page-privacy .flow-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .flow-text {
  font-family: var(--font-mono);
  font-size: 13px;
  fill: var(--ink-brown);
}

.page-privacy .flow-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--teal);
}

.page-privacy .flow-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-align: center;
}

/* ---------- 用途列表 ---------- */
.page-privacy .purpose-list {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .purpose-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-paper);
}

.page-privacy .purpose-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .purpose-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--teal);
  color: var(--teal);
  font-size: 13px;
}

.page-privacy .purpose-list h3 {
  margin: 2px 0 4px;
}

.page-privacy .purpose-list p {
  margin: 0;
  font-size: 15px;
}

/* ---------- 保留期限 ---------- */
.page-privacy .retention-list {
  margin: 18px 0;
  border-top: 1px solid var(--line-paper);
}

.page-privacy .retention-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-paper);
}

.page-privacy .retention-row dt {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
}

.page-privacy .retention-row dd {
  margin: 0;
  font-size: 15px;
  color: rgba(26, 18, 14, 0.82);
}

.page-privacy .retention-row .mono {
  color: var(--press);
  font-weight: 600;
}

/* ---------- 权利与联系 ---------- */
.page-privacy .rights-list {
  list-style: none;
  margin: 16px 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .rights-list li {
  border-left: 2px solid var(--graphite);
  padding-left: 14px;
}

.page-privacy .rights-list h3 {
  margin: 0 0 4px;
  font-family: var(--font-serif);
  font-size: 17px;
}

.page-privacy .rights-list p {
  margin: 0;
  font-size: 15px;
}

.page-privacy .contact-box {
  border: 1px solid var(--ink-brown);
  border-top: 4px solid var(--lava);
  padding: 18px 18px 16px;
  background: rgba(247, 250, 252, 0.72);
}

.page-privacy .contact-box-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--press);
}

.page-privacy .contact-mail {
  margin: 0 0 12px;
  font-size: clamp(17px, 4.6vw, 24px);
  line-height: 1.3;
  word-break: break-all;
}

.page-privacy .contact-mail a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-privacy .contact-mail a:hover {
  color: var(--teal);
  border-bottom-color: var(--lava);
}

.page-privacy .contact-note {
  margin: 0 0 8px;
  font-size: 14px;
  color: rgba(26, 18, 14, 0.78);
}

.page-privacy .contact-note:last-child {
  margin-bottom: 0;
}

/* ---------- 版本 ---------- */
.page-privacy .version-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0 14px;
  flex-wrap: wrap;
}

.page-privacy .version-chip {
  border: 1px solid var(--press);
  color: var(--press);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 2px 9px;
}

.page-privacy .version-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
}

.page-privacy .version-state::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border: 1px solid var(--teal);
}

/* ---------- 相关链接 ---------- */
.page-privacy .privacy-related {
  margin-top: 18px;
  padding-top: 22px;
  border-top: 3px double var(--line-paper);
  display: grid;
  gap: 10px;
}

.page-privacy .related-link {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--line-paper);
  color: var(--ink-brown);
  text-decoration: none;
  font-size: 14px;
  transition: border-color var(--t-fast), background-color var(--t-fast), transform var(--t-fast);
}

.page-privacy .related-link .mono {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--press);
  margin-bottom: 2px;
}

.page-privacy .related-link:hover,
.page-privacy .related-link:focus-visible {
  border-color: var(--teal);
  background: rgba(43, 224, 208, 0.08);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-privacy .retention-row {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

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

@media (min-width: 960px) {
  .page-privacy .privacy-hero {
    padding-top: 40px;
  }

  .page-privacy .privacy-body {
    grid-template-columns: var(--pw-rail) minmax(0, 1fr);
    gap: 48px;
    padding: 56px 0 72px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--line-paper);
    padding: 4px 0 4px 16px;
  }

  .page-privacy .privacy-section {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 0 20px;
    padding: 40px 0;
  }

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

  .page-privacy .sec-rail {
    padding-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .info-card,
  .page-privacy .related-link,
  .page-privacy .toc-list a,
  .page-privacy .contact-mail a,
  .page-privacy .sec-main a {
    transition: none;
  }

  .page-privacy .info-card:hover,
  .page-privacy .related-link:hover {
    transform: none;
  }
}