.page-privacy {
  --clause-gap: clamp(30px, 4.4vw, 54px);
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.82;
}

.page-privacy .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.page-privacy .breadcrumb a {
  color: var(--winter);
  text-decoration: none;
  border-bottom: 1px solid var(--blueprint-soft);
}

.page-privacy .breadcrumb span {
  margin: 0 8px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-block: clamp(30px, 5.4vw, 68px) clamp(18px, 2.6vw, 30px);
}

.page-privacy .privacy-hero::after {
  content: "";
  display: block;
  width: min(340px, 62%);
  height: 3px;
  margin-top: clamp(24px, 4vw, 40px);
  border-radius: var(--radius-pill);
  background: var(--season-line);
  opacity: 0.85;
}

.page-privacy .privacy-hero h1 {
  margin: 0.3em 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.2vw, 3.9rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-hero .lead {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  max-width: 54ch;
  font-size: clamp(1rem, 2vw, 1.11rem);
  color: var(--ink-soft);
}

.page-privacy .privacy-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-privacy .privacy-meta li::before {
  content: "／";
  margin-right: 8px;
  color: var(--blueprint);
}

.page-privacy .privacy-meta li:first-child::before {
  content: none;
  margin: 0;
}

/* ---------- 首屏视觉带 ---------- */
.page-privacy .privacy-banner {
  margin: clamp(20px, 3.4vw, 38px) auto 0;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--gravel);
}

.page-privacy .privacy-banner figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(26px, 4vw, 54px);
  padding-block: clamp(34px, 5vw, 62px) clamp(56px, 8vw, 104px);
}

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

.page-privacy .privacy-side {
  border-radius: var(--radius-lg);
  background: var(--gravel);
  border-top: 2px solid var(--blueprint);
  padding: 18px 18px 20px;
}

.page-privacy .side-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-privacy .privacy-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 6px;
}

.page-privacy .privacy-toc-list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc-list a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
}

.page-privacy .privacy-toc-list a[aria-current="true"] {
  background: var(--mist);
  border-color: var(--blueprint-soft);
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 条款章节 ---------- */
.page-privacy .clause {
  position: relative;
  padding-top: clamp(26px, 3.6vw, 44px);
  margin-top: var(--clause-gap);
}

.page-privacy .clause:first-of-type {
  margin-top: 0;
  padding-top: 0;
}

.page-privacy .clause::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  background: var(--blueprint-soft);
}

.page-privacy .clause::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 72px;
  height: 1px;
  background: var(--clause-accent, var(--winter));
}

.page-privacy .clause:first-of-type::before,
.page-privacy .clause:first-of-type::after {
  content: none;
}

.page-privacy .clause:nth-of-type(4n + 1) { --clause-accent: var(--spring); }
.page-privacy .clause:nth-of-type(4n + 2) { --clause-accent: var(--summer); }
.page-privacy .clause:nth-of-type(4n + 3) { --clause-accent: var(--autumn); }
.page-privacy .clause:nth-of-type(4n) { --clause-accent: var(--winter); }

.page-privacy .clause-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
}

.page-privacy .clause-index {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--clause-accent, var(--winter));
}

.page-privacy .clause h2 {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 2.05rem);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-privacy .clause > p {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 62ch;
  color: var(--ink-soft);
}

.page-privacy .copy-chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 5px 11px;
  border: 1px dashed var(--blueprint);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
}

.page-privacy .copy-chip:hover,
.page-privacy .copy-chip:focus-visible {
  border-style: solid;
  color: var(--ink);
}

/* ---------- 四类信息卡 ---------- */
.page-privacy .info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-privacy .info-card {
  border-radius: var(--radius-md);
  background: var(--gravel);
  border-top: 2px solid var(--card-accent, var(--blueprint));
  padding: 18px 18px 20px;
}

.page-privacy .info-card:nth-child(1) { --card-accent: var(--spring); }
.page-privacy .info-card:nth-child(2) { --card-accent: var(--summer); }
.page-privacy .info-card:nth-child(3) { --card-accent: var(--autumn); }
.page-privacy .info-card:nth-child(4) { --card-accent: var(--winter); }

.page-privacy .info-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .info-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 用途列表 ---------- */
.page-privacy .use-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  border-top: var(--rule);
}

.page-privacy .use-list li {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: var(--rule);
}

.page-privacy .use-list strong {
  font-family: var(--font-mono);
  font-size: 0.79rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--winter);
}

.page-privacy .use-list span {
  font-size: 0.94rem;
  color: var(--ink-soft);
}

/* ---------- 保存期限 ---------- */
.page-privacy .term-list {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border-top: var(--rule);
}

.page-privacy .term-row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: var(--rule);
}

.page-privacy .term-row dt {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--winter);
}

.page-privacy .term-row dd {
  margin: 0;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

/* ---------- 折叠细则 ---------- */
.page-privacy .fold {
  margin-top: clamp(20px, 3vw, 26px);
  border: var(--rule);
  border-radius: var(--radius-md);
  background: rgba(251, 249, 245, 0.7);
  overflow: hidden;
}

.page-privacy .fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  cursor: pointer;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

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

.page-privacy .fold summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--winter);
}

.page-privacy .fold[open] summary::after {
  content: "－";
}

.page-privacy .fold-body {
  padding: 0 18px 18px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.page-privacy .fold-body p {
  margin: 0 0 10px;
  max-width: 60ch;
}

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

/* ---------- 操作步骤 ---------- */
.page-privacy .step-list {
  list-style: none;
  counter-reset: priv-step;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
}

.page-privacy .step-list li {
  position: relative;
  counter-increment: priv-step;
  padding-left: 48px;
  margin-top: 16px;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.page-privacy .step-list li:first-child {
  margin-top: 0;
}

.page-privacy .step-list li::before {
  content: counter(priv-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: var(--gravel);
  border: 1px solid var(--blueprint-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--winter);
}

.page-privacy .step-list b {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 本地存储清单 ---------- */
.page-privacy .plain-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .plain-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.page-privacy .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--blueprint);
}

.page-privacy .plain-list b {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 联系面板 ---------- */
.page-privacy .contact-plate {
  margin-top: clamp(22px, 3.4vw, 30px);
  padding: clamp(22px, 4vw, 36px);
  border-radius: var(--radius-xl);
  background: linear-gradient(155deg, var(--winter) 0%, var(--night) 100%);
  color: var(--mist);
}

.page-privacy .contact-plate h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.18rem, 2.8vw, 1.6rem);
  line-height: 1.34;
  color: var(--mist);
}

.page-privacy .contact-plate p {
  margin: 0;
  max-width: 52ch;
  font-size: 0.93rem;
  line-height: 1.8;
  color: rgba(251, 249, 245, 0.78);
}

.page-privacy .plate-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 18px;
}

.page-privacy .plate-mail {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--poplar);
  word-break: break-all;
}

.page-privacy .contact-plate .copy-chip {
  color: var(--mist);
  border-color: rgba(251, 249, 245, 0.45);
}

.page-privacy .contact-plate .copy-chip:hover,
.page-privacy .contact-plate .copy-chip:focus-visible {
  color: var(--poplar);
  border-color: var(--poplar);
}

.page-privacy .plate-note {
  margin-top: 18px;
  font-size: 0.86rem;
  color: rgba(251, 249, 245, 0.68);
}

.page-privacy .plate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 文末注脚 ---------- */
.page-privacy .privacy-footnote {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: 20px;
  border-top: var(--rule);
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.page-privacy .privacy-footnote p {
  margin: 0;
  max-width: 62ch;
}

.page-privacy .privacy-footnote a {
  color: var(--winter);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .term-row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 20px;
  }

  .page-privacy .use-list li {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: start;
  }

  .page-privacy .privacy-side {
    position: sticky;
    top: 104px;
    padding: 20px 20px 22px;
  }

  .page-privacy .privacy-toc-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-toc-list li {
    margin-bottom: 4px;
  }

  .page-privacy .privacy-toc-list a {
    white-space: normal;
    font-size: 0.86rem;
  }

  .page-privacy .privacy-body {
    max-width: 74ch;
  }
}

@media (max-width: 999px) {
  .page-privacy .privacy-side {
    order: -1;
  }
}

@media (max-width: 480px) {
  .page-privacy .clause-head {
    gap: 6px 12px;
  }

  .page-privacy .copy-chip {
    font-size: 0.64rem;
    padding: 4px 9px;
  }

  .page-privacy .step-list li {
    padding-left: 42px;
  }
}