.page-privacy {
  --pv-paper-muted: #4B5C78;
  --pv-paper-line: #CFDBEC;
  --pv-paper-ink: #101E36;
  --pv-green-ink: #0A7A4A;
  --pv-orange-ink: #B8431A;
  display: block;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 1.1rem var(--pad-x) 0;
}
.page-privacy .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.page-privacy .breadcrumb a {
  color: var(--electric-cyan);
  text-decoration: none;
}
.page-privacy .breadcrumb a:hover { text-decoration: underline; }
.page-privacy .breadcrumb [aria-current="page"] { color: var(--text-primary); }

/* 首屏 */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  padding: 1.8rem 0 0;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(53, 214, 255, .16), transparent 60%),
    radial-gradient(90% 80% at 100% 8%, rgba(138, 107, 255, .18), transparent 62%),
    var(--ink-void);
  border-bottom: 1px solid var(--line-steel);
  overflow: hidden;
}
.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(147, 166, 196, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 166, 196, .07) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.page-privacy .pv-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-privacy .pv-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--text-primary);
  max-width: 22ch;
}
.page-privacy .pv-hero__lead {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.8;
}
.page-privacy .pv-hero__media { margin-top: 2rem; }
.page-privacy .pv-hero__media .media-frame {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 46px), 0 100%);
}

/* 主体两栏 */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
  padding: clamp(1.6rem, 4vw, 3rem) var(--pad-x) clamp(2.4rem, 6vw, 4.5rem);
  max-width: var(--wrap);
  margin: 0 auto;
}

/* 索引轨 */
.page-privacy .pv-rail {
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  padding-bottom: .6rem;
  scrollbar-width: thin;
}
.page-privacy .pv-rail__title {
  display: none;
  margin: 0;
  font-family: var(--font-data);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.page-privacy .pv-rail .rail__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .85rem;
  border: 1px solid var(--line-steel);
  background: var(--ink-glass);
  backdrop-filter: blur(12px);
  color: var(--text-primary);
  font-size: .84rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-privacy .pv-rail .rail__item:hover,
.page-privacy .pv-rail .rail__item:focus-visible {
  border-color: var(--neon-green);
  color: var(--neon-green);
}
.page-privacy .pv-rail__no {
  font-family: var(--font-data);
  font-size: .72rem;
  color: var(--electric-cyan);
  letter-spacing: .06em;
}
.page-privacy .pv-rail__foot {
  display: none;
  flex-direction: column;
  gap: .6rem;
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-steel);
}
.page-privacy .pv-rail__hint {
  margin: 0;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* 亮面正文层 */
.page-privacy .pv-article {
  position: relative;
  background: var(--paper-bright);
  color: var(--pv-paper-ink);
  padding: clamp(1.3rem, 4vw, 3.2rem);
  border-top: 4px solid var(--neon-green);
  box-shadow: 0 26px 60px rgba(0, 0, 0, .38);
}
.page-privacy .pv-article::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 96px;
  height: 96px;
  background: linear-gradient(135deg, transparent 50%, rgba(59, 255, 158, .22) 50%);
  pointer-events: none;
}
.page-privacy .pv-article h2,
.page-privacy .pv-article h3 {
  color: var(--pv-paper-ink);
  font-family: var(--font-section);
}
.page-privacy .pv-article p {
  color: var(--pv-paper-muted);
  line-height: 1.85;
  font-size: 1rem;
  margin: .8rem 0 0;
  max-width: 40em;
}
.page-privacy .pv-article a {
  color: #0A5FB8;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-privacy .pv-article a:hover { color: var(--pv-green-ink); }

.page-privacy .pv-sec {
  padding-block: clamp(1.6rem, 4vw, 2.6rem);
  border-top: 1px solid var(--pv-paper-line);
}
.page-privacy .pv-sec:first-of-type {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: .8rem;
}
.page-privacy .pv-num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--neon-green);
  background: var(--ink-deep);
  padding: .25rem .5rem;
  border-left: 3px solid var(--neon-green);
}
.page-privacy .pv-sec__head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  font-weight: 600;
  line-height: 1.25;
}
.page-privacy .pv-lead {
  margin-top: 1rem;
  font-size: 1.03rem;
}
.page-privacy .pv-note {
  margin-top: 1.1rem;
  padding-left: .9rem;
  border-left: 3px solid var(--pv-paper-line);
  font-size: .9rem;
  color: var(--pv-paper-muted);
}

/* 表格 */
.page-privacy .pv-table-scroll {
  margin-top: 1.4rem;
  overflow-x: auto;
}
.page-privacy .pv-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-family: var(--font-data);
  font-size: .86rem;
  font-variant-numeric: tabular-nums;
}
.page-privacy .pv-table__cap {
  text-align: left;
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pv-paper-muted);
  padding-bottom: .6rem;
}
.page-privacy .pv-table thead th {
  text-align: left;
  padding: .7rem .8rem;
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pv-paper-muted);
  border-bottom: 2px solid var(--ink-deep);
}
.page-privacy .pv-table tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--pv-paper-ink);
}
.page-privacy .pv-table tbody th,
.page-privacy .pv-table tbody td {
  padding: .85rem .8rem;
  border-bottom: 1px solid var(--pv-paper-line);
  vertical-align: top;
  line-height: 1.6;
  color: #22304A;
}

/* 用途清单 */
.page-privacy .pv-purpose {
  list-style: none;
  counter-reset: pv-p;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-privacy .pv-purpose li {
  counter-increment: pv-p;
  position: relative;
  padding: .2rem 0 .2rem 3rem;
  border-bottom: 1px solid var(--pv-paper-line);
  padding-bottom: 1rem;
}
.page-privacy .pv-purpose li::before {
  content: counter(pv-p, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .1rem;
  font-family: var(--font-data);
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--pv-orange-ink);
  border: 1px solid var(--pv-orange-ink);
  padding: .16rem .38rem;
}
.page-privacy .pv-purpose h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 600;
}
.page-privacy .pv-purpose p {
  margin: .45rem 0 0;
  font-size: .95rem;
}

/* 折叠与列表 */
.page-privacy .pv-fold {
  margin-top: 1.3rem;
  border: 1px solid var(--pv-paper-line);
  background: #FFFFFF;
}
.page-privacy .pv-fold + .pv-fold { margin-top: .7rem; }
.page-privacy .pv-fold summary {
  cursor: pointer;
  padding: .9rem 1.1rem;
  font-weight: 600;
  font-size: .98rem;
  color: var(--pv-paper-ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.page-privacy .pv-fold summary::-webkit-details-marker { display: none; }
.page-privacy .pv-fold summary::after {
  content: "＋";
  font-family: var(--font-data);
  color: var(--pv-green-ink);
}
.page-privacy .pv-fold[open] summary::after { content: "－"; }
.page-privacy .pv-fold[open] summary {
  border-bottom: 1px solid var(--pv-paper-line);
}
.page-privacy .pv-fold[open] { border-left: 3px solid var(--neon-green); }
.page-privacy .pv-fold > *:not(summary) {
  padding: 0 1.1rem;
}
.page-privacy .pv-fold p:last-child { padding-bottom: 1rem; }
.page-privacy .pv-list {
  margin: 1rem 0 0;
  padding: 0 0 0 1.1rem;
  list-style: none;
}
.page-privacy .pv-list li {
  position: relative;
  margin-bottom: .6rem;
  line-height: 1.75;
  color: var(--pv-paper-muted);
  font-size: .95rem;
}
.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: -1.1rem;
  top: .62rem;
  width: 8px;
  height: 2px;
  background: var(--pv-green-ink);
}
.page-privacy .pv-list strong { color: var(--pv-paper-ink); }

/* 深色保障面板 */
.page-privacy .pv-dark {
  margin-top: 1.6rem;
  padding: 1.3rem 1.3rem 1.4rem;
  background: var(--ink-deep);
  border-left: 4px solid var(--electric-cyan);
}
.page-privacy .pv-dark__title {
  margin: 0;
  font-family: var(--font-section);
  font-size: 1.05rem;
  color: var(--text-primary);
}
.page-privacy .pv-dark__list {
  margin: .9rem 0 0;
  padding-left: 1.1rem;
  list-style: square;
  color: var(--text-muted);
}
.page-privacy .pv-dark__list li {
  margin-bottom: .5rem;
  line-height: 1.75;
  font-size: .93rem;
}
.page-privacy .pv-dark__list li::marker { color: var(--neon-green); }

/* 权利卡片 */
.page-privacy .pv-rights {
  display: grid;
  grid-template-columns: 1fr;
  gap: .9rem;
  margin-top: 1.4rem;
}
.page-privacy .pv-right {
  background: #FFFFFF;
  border: 1px solid var(--pv-paper-line);
  border-left: 4px solid #17B978;
  padding: 1.05rem 1.15rem 1.15rem;
}
.page-privacy .pv-right h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}
.page-privacy .pv-right p {
  margin: .5rem 0 0;
  font-size: .93rem;
  line-height: 1.7;
}
.page-privacy .pv-right__how {
  font-family: var(--font-data);
  font-size: .8rem !important;
  color: var(--pv-green-ink) !important;
  border-top: 1px dashed var(--pv-paper-line);
  padding-top: .55rem;
  margin-top: .7rem !important;
}

/* 操作条 */
.page-privacy .pv-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
  margin-top: 1.5rem;
  padding: .9rem 1.1rem;
  background: var(--ink-deep);
}
.page-privacy .pv-actions__key {
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.page-privacy .pv-actions__val {
  font-size: .92rem;
  color: var(--neon-green);
  word-break: break-all;
}
.page-privacy .pv-actions .copy-btn {
  background: transparent;
  border: 1px solid var(--electric-cyan);
  color: var(--electric-cyan);
  padding: .35rem .8rem;
  font-family: var(--font-data);
  font-size: .78rem;
  cursor: pointer;
}
.page-privacy .pv-actions .copy-btn:hover,
.page-privacy .pv-actions .copy-btn:focus-visible {
  background: var(--electric-cyan);
  color: var(--ink-void);
}

/* 联系信息 */
.page-privacy .pv-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: .1rem;
  margin-top: 1.5rem;
  border: 1px solid var(--pv-paper-line);
  background: #FFFFFF;
}
.page-privacy .pv-contact__item {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem .9rem;
  padding: .85rem 1.05rem;
  border-bottom: 1px solid var(--pv-paper-line);
}
.page-privacy .pv-contact__item:last-child { border-bottom: 0; }
.page-privacy .pv-contact__key {
  flex: 0 0 5.5rem;
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--pv-paper-muted);
  padding-top: .2rem;
}
.page-privacy .pv-contact__val {
  flex: 1 1 14rem;
  font-size: .95rem;
  color: var(--pv-paper-ink);
  word-break: break-word;
}

/* 相关页面 */
.page-privacy .pv-links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.6rem;
}
.page-privacy .pv-links .btn {
  text-decoration: none;
  color: var(--pv-paper-ink);
  border-color: var(--pv-paper-ink);
  font-size: .86rem;
  padding: .5rem .95rem;
}
.page-privacy .pv-links .btn:hover,
.page-privacy .pv-links .btn:focus-visible {
  background: var(--pv-paper-ink);
  color: var(--paper-bright);
}

/* 平板 */
@media (min-width: 700px) {
  .page-privacy .pv-rights { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-privacy .pv-contact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-privacy .pv-contact__item:nth-last-child(-n+2) { border-bottom: 0; }
  .page-privacy .pv-contact__item:nth-child(odd) { border-right: 1px solid var(--pv-paper-line); }
}

/* 桌面：左轨固定，右栏正文 */
@media (min-width: 980px) {
  .page-privacy .pv-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }
  .page-privacy .pv-rail {
    display: block;
    overflow: visible;
    position: sticky;
    top: calc(var(--header-h) + 1.6rem);
    padding-bottom: 0;
  }
  .page-privacy .pv-rail__title {
    display: block;
    margin-bottom: .9rem;
  }
  .page-privacy .pv-rail .rail__item {
    display: flex;
    width: 100%;
    margin-bottom: .35rem;
    white-space: normal;
    align-items: flex-start;
    line-height: 1.45;
    border-color: transparent transparent transparent var(--line-steel);
    border-width: 0 0 0 2px;
    background: transparent;
    backdrop-filter: none;
  }
  .page-privacy .pv-rail .rail__item:hover,
  .page-privacy .pv-rail .rail__item:focus-visible {
    border-left-color: var(--neon-green);
    background: var(--ink-glass);
  }
  .page-privacy .pv-rail__foot { display: flex; }
  .page-privacy .pv-rail__foot .copy-btn {
    background: transparent;
    border: 1px solid var(--line-steel);
    color: var(--text-primary);
    padding: .5rem .8rem;
    font-family: var(--font-data);
    font-size: .76rem;
    cursor: pointer;
    text-align: left;
  }
  .page-privacy .pv-rail__foot .copy-btn:hover,
  .page-privacy .pv-rail__foot .copy-btn:focus-visible {
    border-color: var(--neon-green);
    color: var(--neon-green);
  }
  .page-privacy .pv-hero { padding-top: 2.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-rail .rail__item,
  .page-privacy .pv-actions .copy-btn {
    transition: none;
  }
}
</main>