.page-privacy {
  --pv-rail: 208px;
  --pv-measure: 68ch;
  background: var(--paper);
  color: var(--graphite);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: 24px 0 clamp(32px, 6vw, 60px);
  background:
    radial-gradient(120% 140% at 10% -12%, rgba(53, 240, 208, 0.16), transparent 58%),
    radial-gradient(90% 120% at 94% 6%, rgba(255, 107, 74, 0.14), transparent 60%),
    var(--ink-night);
  color: var(--paper);
  overflow: hidden;
}

.page-privacy .privacy-hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(143, 166, 191, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 166, 191, 0.15) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--mist);
}

.page-privacy .privacy-hero__crumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-privacy .privacy-hero__crumb a:hover,
.page-privacy .privacy-hero__crumb a:focus-visible {
  color: var(--neon-cyan);
}

.page-privacy .privacy-hero__crumb [aria-current] {
  color: var(--paper);
}

.page-privacy .privacy-hero__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon-cyan);
}

.page-privacy .privacy-hero h1 {
  max-width: 22ch;
  margin: 0 0 18px;
  font-size: clamp(30px, 5.6vw, 54px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper-white);
}

.page-privacy .privacy-hero__lead {
  max-width: 62ch;
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  font-size: 16px;
  line-height: 1.82;
  color: rgba(246, 241, 231, 0.82);
}

.page-privacy .privacy-hero__figure {
  margin: 0;
  background: var(--deep-sea);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(150px, 26vw, 300px);
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.2vw, 48px);
  padding: clamp(28px, 5vw, 64px) 0 clamp(56px, 8vw, 110px);
}

/* ---------- 章节刻度 ---------- */
.page-privacy .privacy-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-rail__list {
  display: flex;
  gap: 8px;
  padding-bottom: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-rail__link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--paper-white);
  color: var(--graphite);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  border-color: var(--deep-sea);
  color: var(--deep-sea);
}

.page-privacy .privacy-rail__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--deep-sea);
}

/* ---------- 正文列 ---------- */
.page-privacy .privacy-col {
  min-width: 0;
  max-width: var(--pv-measure);
}

.page-privacy .privacy-sec {
  padding-bottom: clamp(28px, 4vw, 50px);
  margin-bottom: clamp(28px, 4vw, 50px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-sec:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .privacy-sec__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--deep-sea);
  transform: skewX(-4deg);
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-night);
}

.page-privacy .privacy-sec > p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
}

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

.page-privacy .privacy-sec p a {
  color: var(--deep-sea);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(18, 58, 99, 0.36);
}

.page-privacy .privacy-sec p a:hover,
.page-privacy .privacy-sec p a:focus-visible {
  color: var(--coral);
  text-decoration-color: var(--coral);
}

/* ---------- 要点摘要框 ---------- */
.page-privacy .privacy-key {
  margin: 0 0 20px;
  padding: 14px 16px;
  background: var(--mist-cyan);
  border-left: 4px solid var(--neon-cyan);
}

.page-privacy .privacy-key > summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink-night);
}

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

.page-privacy .privacy-key > summary:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 3px;
}

.page-privacy .privacy-key__mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--deep-sea);
  transition: transform 180ms var(--ease);
}

.page-privacy .privacy-key[open] .privacy-key__mark {
  transform: rotate(45deg);
}

.page-privacy .privacy-key__list {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-key__list li {
  position: relative;
  padding-left: 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-privacy .privacy-key__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--deep-sea);
}

.page-privacy .privacy-key__list strong {
  font-weight: 800;
  color: var(--ink-night);
}

/* ---------- 保存期限刻度条 ---------- */
.page-privacy .privacy-durations {
  display: grid;
  gap: 14px;
  margin: 4px 0 22px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-duration__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  margin-bottom: 7px;
  font-size: 13.5px;
}

.page-privacy .privacy-duration__name {
  font-weight: 700;
  color: var(--ink-night);
}

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

.page-privacy .privacy-duration__track {
  display: block;
  height: 8px;
  background: rgba(44, 53, 64, 0.1);
  overflow: hidden;
}

.page-privacy .privacy-duration__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--deep-sea), var(--neon-cyan));
}

.page-privacy .privacy-duration__fill--w100 { width: 100%; }
.page-privacy .privacy-duration__fill--w88 { width: 88%; }
.page-privacy .privacy-duration__fill--w62 { width: 62%; }
.page-privacy .privacy-duration__fill--w34 { width: 34%; }

/* ---------- 视觉分隔 ---------- */
.page-privacy .privacy-divider {
  margin: 0 0 clamp(28px, 4vw, 48px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-divider svg {
  display: block;
  width: 100%;
  height: clamp(46px, 9vw, 72px);
}

.page-privacy .privacy-divider__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(44, 53, 64, 0.72);
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 18px 0 16px;
  padding: 14px 16px;
  background: var(--paper-white);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-privacy .privacy-contact__mail {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-night);
  word-break: break-all;
}

.page-privacy .privacy-contact__btn {
  flex: 0 0 auto;
}

/* ---------- 相关页面 ---------- */
.page-privacy .privacy-next {
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: 18px;
  border-top: 2px solid var(--ink-night);
}

.page-privacy .privacy-next__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--deep-sea);
}

.page-privacy .privacy-next__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-next__list a {
  display: inline-block;
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-privacy .privacy-next__list a:hover,
.page-privacy .privacy-next__list a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  background: var(--ink-night);
  border: 1px solid rgba(53, 240, 208, 0.42);
  color: var(--neon-cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background 180ms var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: var(--deep-sea);
}

/* ---------- 桌面分屏 ---------- */
@media (min-width: 1025px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 104px;
  }

  .page-privacy .privacy-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail__link {
    display: flex;
    flex: initial;
    justify-content: flex-start;
    gap: 10px;
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    background: none;
    color: var(--mist);
    white-space: normal;
    transition: color 180ms var(--ease), border-color 180ms var(--ease);
  }

  .page-privacy .privacy-rail__link:hover,
  .page-privacy .privacy-rail__link:focus-visible,
  .page-privacy .privacy-rail__link.is-active,
  .page-privacy .privacy-rail__link[aria-current] {
    color: var(--deep-sea);
    border-left-color: var(--neon-cyan);
  }

  .page-privacy .privacy-rail__no {
    color: inherit;
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .page-privacy .privacy-col {
    max-width: 100%;
  }

  .page-privacy .privacy-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-key__mark,
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-top {
    transition-duration: 0.01ms;
  }
}