.page-privacy {
  --privacy-paper-line: #CFC4B2;
  --privacy-paper-soft: #56646F;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-block: clamp(1.25rem, 3vw, 2.25rem) clamp(1.75rem, 4vw, 3.25rem);
  background:
    radial-gradient(75% 60% at 12% 0%, rgba(47, 230, 200, 0.1), transparent 68%),
    radial-gradient(60% 55% at 95% 20%, rgba(232, 168, 56, 0.07), transparent 70%),
    var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero-inner {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
}

.page-privacy .privacy-hero-copy h1 {
  margin: .7rem 0 0;
  font-size: var(--fs-h1);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  max-width: 24ch;
}

.page-privacy .privacy-hero-copy .lede {
  margin-top: 1.05rem;
  max-width: 60ch;
  color: var(--text-muted);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .6rem;
  margin-top: 1.6rem;
}

.page-privacy .privacy-meta span {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .05em;
  color: var(--text-muted);
  padding: .38rem .65rem;
  border: 1px solid var(--line);
  background: rgba(18, 38, 58, .6);
  border-radius: var(--radius-xs);
}

.page-privacy .privacy-figure {
  margin: 0;
}

.page-privacy .privacy-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--ink-800);
  aspect-ratio: 2 / 1;
}

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

.page-privacy .privacy-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(47, 230, 200, .07) 0 1px, transparent 1px 5px),
    linear-gradient(180deg, rgba(7, 19, 31, 0) 45%, rgba(7, 19, 31, .55) 100%);
  pointer-events: none;
}

.page-privacy .privacy-cap {
  margin-top: .65rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--text-muted);
}

/* ---------- 阅读区骨架 ---------- */
.page-privacy .privacy-read {
  padding-block: clamp(1.75rem, 4vw, 3.5rem);
}

.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- 目录轨道 ---------- */
.page-privacy .privacy-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(18, 38, 58, .92), rgba(11, 27, 42, .92));
  padding: 1rem;
}

.page-privacy .toc-title {
  margin: 0 0 .7rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--line);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--cyan-400);
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .15rem;
}

.page-privacy .toc-link {
  display: grid;
  grid-template-columns: 1.8rem minmax(0, 1fr);
  align-items: baseline;
  gap: .15rem;
  padding: .5rem .6rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: .92rem;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .toc-link .mono {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--cyan-600);
}

.page-privacy .toc-link:hover {
  color: var(--text-primary);
  background: var(--ink-800);
  border-left-color: var(--cyan-400);
}

.page-privacy .toc-link:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
  color: var(--text-primary);
  border-left-color: var(--cyan-400);
}

.page-privacy .toc-note {
  margin: .8rem 0 0;
  padding-top: .7rem;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ---------- 暖纸文档 ---------- */
.page-privacy .privacy-doc {
  background: var(--paper);
  color: var(--text-on-paper);
  border: 1px solid var(--privacy-paper-line);
  border-radius: var(--radius-sm);
  padding: clamp(1.2rem, 3.5vw, 2.75rem);
}

.page-privacy .doc-lead {
  margin: 0 0 clamp(1.4rem, 3vw, 2rem);
  padding-bottom: clamp(1rem, 2.5vw, 1.4rem);
  border-bottom: 1px solid var(--privacy-paper-line);
  font-size: .98rem;
  line-height: 1.85;
  color: var(--privacy-paper-soft);
}

.page-privacy .clause {
  scroll-margin-top: 1.5rem;
}

.page-privacy .clause + .clause {
  margin-top: clamp(1.75rem, 3.5vw, 2.6rem);
  padding-top: clamp(1.5rem, 3vw, 2.2rem);
  border-top: 1px solid var(--privacy-paper-line);
}

.page-privacy .clause-head {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  margin-bottom: .85rem;
}

.page-privacy .clause-num {
  flex: none;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--amber-600);
  border: 1px solid var(--privacy-paper-line);
  background: rgba(232, 168, 56, .12);
  border-radius: var(--radius-xs);
  padding: .18rem .42rem;
}

.page-privacy .clause-head h2 {
  margin: 0;
  font-size: clamp(1.22rem, 2.4vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text-on-paper);
}

.page-privacy .clause p {
  margin: 0 0 .85rem;
  line-height: 1.85;
}

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

.page-privacy .clause-list {
  list-style: none;
  margin: .9rem 0 1rem;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-privacy .clause-list li {
  display: grid;
  gap: .2rem;
  padding: .7rem .85rem;
  border-left: 2px solid var(--privacy-paper-line);
  background: rgba(255, 255, 255, .48);
}

.page-privacy .clause-list .k {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--amber-600);
}

.page-privacy .clause-list .d {
  font-size: .95rem;
  line-height: 1.78;
  color: var(--text-on-paper);
}

.page-privacy .note-strip {
  margin: 1rem 0;
  padding: .85rem 1rem;
  border-left: 3px solid var(--amber-400);
  background: rgba(232, 168, 56, .13);
  font-size: .92rem;
  line-height: 1.8;
  color: var(--text-on-paper);
}

/* ---------- 折叠条款 ---------- */
.page-privacy .fold {
  margin-top: 1.1rem;
  border: 1px solid var(--privacy-paper-line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .42);
}

.page-privacy .fold-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  padding: .7rem .9rem;
}

.page-privacy .fold-head h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--text-on-paper);
}

.page-privacy .fold-toggle {
  flex: none;
}

.page-privacy .fold-toggle .chev {
  display: inline-block;
  margin-left: .35rem;
  font-family: var(--font-mono);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .fold-toggle[aria-expanded="true"] .chev {
  transform: rotate(180deg);
}

.page-privacy .fold-body {
  padding: 0 .9rem .9rem;
  border-top: 1px solid var(--privacy-paper-line);
}

.page-privacy .fold-body p {
  margin: .85rem 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--text-on-paper);
}

/* ---------- 联系卡片与相关入口 ---------- */
.page-privacy .contact-card {
  margin-top: 1.1rem;
  padding: 1.05rem 1.15rem;
  border: 1px solid var(--privacy-paper-line);
  border-left: 3px solid var(--amber-400);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .5);
  display: grid;
  gap: .6rem;
}

.page-privacy .contact-card .row {
  display: grid;
  gap: .15rem;
}

.page-privacy .contact-card .k {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--amber-600);
}

.page-privacy .contact-card .v {
  font-size: .95rem;
  line-height: 1.7;
  color: var(--text-on-paper);
  overflow-wrap: anywhere;
}

.page-privacy .doc-links {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--privacy-paper-line);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .6rem;
}

.page-privacy .doc-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem .85rem;
  border: 1px solid var(--privacy-paper-line);
  border-radius: var(--radius-xs);
  color: var(--text-on-paper);
  font-size: .88rem;
  text-decoration: none;
  background: transparent;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .doc-link::before {
  content: "→";
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--amber-600);
}

.page-privacy .doc-link:hover {
  border-color: var(--amber-600);
  background: rgba(232, 168, 56, .14);
}

.page-privacy .doc-link:focus-visible {
  outline: 2px solid var(--amber-600);
  outline-offset: 2px;
}

/* ---------- 窄屏与宽屏适配 ---------- */
@media (min-width: 600px) {
  .page-privacy .clause-list li {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: .85rem;
    align-items: baseline;
  }

  .page-privacy .contact-card .row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: .8rem;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 1.5rem;
    max-height: calc(100vh - 3rem);
    overflow: auto;
  }
}

@media (max-width: 420px) {
  .page-privacy .privacy-meta span {
    font-size: .68rem;
  }

  .page-privacy .toc-link {
    grid-template-columns: 1.6rem minmax(0, 1fr);
    font-size: .88rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-link,
  .page-privacy .doc-link,
  .page-privacy .fold-toggle .chev {
    transition: none;
  }
}