.page-privacy {
  --privacy-measure: 66ch;
  --privacy-rail: 3.4rem;
  background-color: var(--paper);
  color: var(--brown);
  overflow-x: hidden;
}

/* ---------- 页首深色标题带 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  background: linear-gradient(158deg, var(--ink) 0%, var(--night) 58%, #0a1430 100%);
  color: var(--silver);
  padding: clamp(2rem, 6.5vw, 4.6rem) 0 clamp(2.2rem, 7vw, 4.4rem);
  overflow: hidden;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: clamp(1rem, 6vw, 5rem);
  top: 16%;
  height: 52%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(168, 198, 232, 0.5) 16%, rgba(168, 198, 232, 0.5) 84%, transparent);
  pointer-events: none;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  right: calc(clamp(1rem, 6vw, 5rem) - 3px);
  top: 52%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  pointer-events: none;
}

.page-privacy .privacy-hero .breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 clamp(1.2rem, 3.5vw, 2.2rem);
  padding: 0;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: rgba(230, 237, 246, 0.58);
}

.page-privacy .privacy-hero .breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-privacy .privacy-hero .breadcrumbs li + li::before {
  content: "/";
  color: rgba(230, 237, 246, 0.3);
}

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

.page-privacy .privacy-hero .breadcrumbs a:hover,
.page-privacy .privacy-hero .breadcrumbs a:focus-visible {
  border-bottom-color: var(--moon);
}

.page-privacy .privacy-hero__eyebrow {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.26em;
  color: var(--gold);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 clamp(0.9rem, 3vw, 1.5rem);
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(1.85rem, 5.4vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--silver);
}

.page-privacy .privacy-hero__lead {
  max-width: 60ch;
  margin: 0 0 clamp(1.5rem, 4.5vw, 2.6rem);
  font-size: clamp(0.95rem, 1.7vw, 1.05rem);
  line-height: 1.85;
  color: rgba(230, 237, 246, 0.76);
}

.page-privacy .privacy-hero__key {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  max-width: 1040px;
  background: rgba(168, 198, 232, 0.2);
  border: 1px solid rgba(168, 198, 232, 0.2);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-privacy .privacy-hero__key li {
  background: rgba(11, 22, 51, 0.78);
  padding: clamp(0.85rem, 2.4vw, 1.15rem) clamp(1rem, 2.6vw, 1.35rem);
}

.page-privacy .privacy-hero__key .k {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-privacy .privacy-hero__key .v {
  display: block;
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--silver);
}

/* ---------- 纸面阅读区 ---------- */

.page-privacy .privacy-paper {
  background-color: var(--paper);
  background-image: repeating-linear-gradient(0deg, rgba(36, 28, 20, 0.026) 0 1px, transparent 1px 30px);
  padding: clamp(2rem, 6vw, 4rem) 0 clamp(3rem, 8vw, 5.5rem);
}

.page-privacy .privacy-figure {
  max-width: 1040px;
  margin: 0 auto clamp(2rem, 5.5vw, 3.2rem);
}

.page-privacy .privacy-figure .figure__frame {
  aspect-ratio: 2 / 1;
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: rgba(16, 30, 66, 0.06);
}

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

.page-privacy .privacy-figure .figure__caption {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 条款目录 ---------- */

.page-privacy .privacy-toc {
  max-width: 1040px;
  margin: 0 auto clamp(2.2rem, 6vw, 3.4rem);
  padding: clamp(1.1rem, 3vw, 1.6rem) clamp(1.1rem, 3vw, 1.8rem);
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-l);
  background: rgba(255, 255, 255, 0.5);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 clamp(0.8rem, 2vw, 1.1rem);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-privacy .privacy-toc ol {
  list-style: none;
  display: grid;
  gap: 0.35rem 1.6rem;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.4rem 0;
  font-size: 0.96rem;
  color: var(--brown);
  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(--ink);
  border-bottom-color: var(--gold);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

/* ---------- 条款正文 ---------- */

.page-privacy .privacy-ledger {
  max-width: 1040px;
  margin: 0 auto;
}

.page-privacy .privacy-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  padding: clamp(1.4rem, 4vw, 2.3rem) 0;
  border-top: 1px solid var(--line-paper);
}

.page-privacy .privacy-clause:first-child {
  border-top: none;
}

.page-privacy .privacy-clause__rail {
  position: relative;
  padding-top: 0.2rem;
}

.page-privacy .privacy-clause__num {
  position: relative;
  display: inline-block;
  padding-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--brown);
}

.page-privacy .privacy-clause__num::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}

.page-privacy .privacy-clause__body h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(1.22rem, 3vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--brown);
}

.page-privacy .privacy-clause__body p {
  max-width: var(--privacy-measure);
  margin: 0 0 0.95rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--brown);
}

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

.page-privacy .privacy-clause__body a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color var(--dur) var(--ease);
}

.page-privacy .privacy-clause__body a:hover,
.page-privacy .privacy-clause__body a:focus-visible {
  color: var(--mist);
}

.page-privacy .privacy-list {
  list-style: none;
  max-width: 68ch;
  margin: 0.2rem 0 1rem;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.35rem;
  border-bottom: 1px dashed var(--line-paper);
  font-size: 0.97rem;
  line-height: 1.78;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mist);
}

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

.page-privacy .mono-inline {
  font-family: var(--font-mono);
  font-size: 0.94em;
  letter-spacing: 0.08em;
  color: var(--brown);
  white-space: nowrap;
}

/* ---------- 更新记录 ---------- */

.page-privacy .privacy-versions {
  max-width: 1040px;
  margin: clamp(2.4rem, 6vw, 4rem) auto 0;
  padding-top: clamp(1.6rem, 4.5vw, 2.6rem);
  border-top: 1px solid var(--line-paper);
}

.page-privacy .privacy-versions__head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 0.7rem;
}

.page-privacy .privacy-versions__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-privacy .privacy-versions__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(1.22rem, 3vw, 1.6rem);
  line-height: 1.35;
  color: var(--brown);
}

.page-privacy .privacy-versions__note {
  max-width: var(--privacy-measure);
  margin: 0 0 clamp(1.2rem, 3vw, 1.8rem);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-versions__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: clamp(1rem, 2.6vw, 1.5rem);
}

.page-privacy .privacy-version-tab {
  appearance: none;
  padding: 0.45rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--brown);
  background: transparent;
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-version-tab:hover,
.page-privacy .privacy-version-tab:focus-visible {
  border-color: var(--brown);
}

.page-privacy .privacy-version-tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--silver);
}

.page-privacy .privacy-versions__panel {
  padding: clamp(1rem, 2.8vw, 1.5rem);
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.46);
}

.page-privacy .privacy-versions__panel[hidden] {
  display: none;
}

.page-privacy .privacy-versions__panel:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-privacy .privacy-versions__stamp {
  margin: 0 0 0.85rem;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--mist);
}

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

.page-privacy .privacy-changelog li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.2rem;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--brown);
}

.page-privacy .privacy-changelog li + li {
  border-top: 1px dashed var(--line-paper);
}

.page-privacy .privacy-changelog li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.2rem;
  width: 12px;
  height: 1px;
  background: var(--mist);
}

/* ---------- 延伸阅读 ---------- */

.page-privacy .privacy-more {
  max-width: 1040px;
  margin: clamp(2.4rem, 6vw, 3.6rem) auto 0;
  padding-top: clamp(1.4rem, 4vw, 2rem);
  border-top: 1px solid var(--line-paper);
}

.page-privacy .privacy-more__lead {
  margin: 0 0 clamp(0.9rem, 2.4vw, 1.3rem);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-privacy .privacy-more__list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line-paper);
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-privacy .privacy-more__list li {
  background: rgba(255, 255, 255, 0.5);
}

.page-privacy .privacy-more__list a {
  display: block;
  padding: clamp(0.9rem, 2.6vw, 1.25rem) clamp(1rem, 3vw, 1.4rem);
  text-decoration: none;
  color: var(--brown);
  transition: background-color var(--dur) var(--ease);
}

.page-privacy .privacy-more__list a:hover,
.page-privacy .privacy-more__list a:focus-visible {
  background: rgba(168, 198, 232, 0.16);
}

.page-privacy .privacy-more__k {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--ink);
}

.page-privacy .privacy-more__t {
  display: block;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--brown);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-privacy .privacy-clause {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: clamp(1rem, 3vw, 2rem);
  }

  .page-privacy .privacy-toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-privacy .privacy-hero__key {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-toc ol {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}