.page-privacy {
  --privacy-rail-w: 212px;
  --privacy-measure: 70ch;
  --privacy-sec-gap: clamp(26px, 4vw, 46px);
  position: relative;
  isolation: isolate;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(26px, 4.6vw, 52px) var(--pad-x) clamp(22px, 3.4vw, 38px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(130% 110% at 88% -10%, rgba(62, 216, 200, .12), transparent 62%),
    linear-gradient(180deg, rgba(16, 27, 58, .92), rgba(7, 9, 13, .96));
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(138, 147, 166, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 147, 166, .055) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  max-width: calc(var(--privacy-measure) + 8ch);
}

.page-privacy .privacy-hero .breadcrumbs {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-privacy .privacy-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.6vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 20ch;
}

.page-privacy .privacy-hero h1::after {
  content: "";
  display: block;
  width: 74px;
  height: 5px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--lime) 0 62%, var(--amber) 62% 82%, var(--magenta) 82% 100%);
}

.page-privacy .privacy-hero .lede {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
}

.page-privacy .privacy-figure {
  position: relative;
  z-index: 1;
  margin: clamp(24px, 3.6vw, 42px) 0 0;
  max-width: calc(var(--wrap-max) + 40px);
}

.page-privacy .privacy-figure .figure__frame {
  border: 1px solid var(--line);
  box-shadow: 0 0 0 1px rgba(198, 242, 78, .09) inset, 0 14px 34px -22px rgba(0, 0, 0, .95);
}

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

.page-privacy .privacy-figure .figure__cap {
  margin-top: 10px;
}

/* ---------- 双栏骨架 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  width: min(calc(var(--wrap-max) + var(--pad-x) * 2), 100%);
  margin-inline: auto;
  padding: clamp(28px, 4.4vw, 56px) var(--pad-x) clamp(52px, 7vw, 96px);
}

/* ---------- 左侧章节刻度 ---------- */

.page-privacy .privacy-rail {
  position: relative;
  margin: 0 0 4px;
  padding-bottom: 8px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-privacy .privacy-rail__label {
  display: none;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.page-privacy .privacy-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
}

.page-privacy .privacy-rail__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(20, 22, 26, .6);
  color: var(--ink-mute);
  font-size: 13px;
  text-decoration: none;
  transition:
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-privacy .privacy-rail__list a:hover,
.page-privacy .privacy-rail__list a:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
  background: rgba(62, 216, 200, .08);
  transform: translateY(-2px);
}

.page-privacy .privacy-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent);
}

.page-privacy .privacy-rail__text {
  font-family: var(--font-body);
}

/* ---------- 正文 ---------- */

.page-privacy .privacy-body {
  min-width: 0;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-section {
  position: relative;
  padding-block: var(--privacy-sec-gap);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--topbar-h) + 26px);
}

.page-privacy .privacy-section:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .privacy-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .privacy-sec-num {
  flex: none;
  display: inline-block;
  padding: 3px 8px 4px;
  background: var(--lime);
  color: #0b1020;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1;
  box-shadow: 3px 3px 0 rgba(198, 242, 78, .16);
}

.page-privacy .privacy-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-privacy .privacy-sec-body > p {
  margin: 0 0 1.2em;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.85;
  max-width: 64ch;
}

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

.page-privacy .privacy-sec-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-privacy .privacy-sec-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 242, 78, .38);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .privacy-sec-body a:hover,
.page-privacy .privacy-sec-body a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-body__link {
  margin-top: 22px !important;
  padding-left: 14px;
  border-left: 3px solid var(--amber);
  font-size: 14px !important;
  color: var(--ink-mute) !important;
}

/* ---------- 列表 ---------- */

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

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-soft);
  font-size: clamp(14.5px, 1.3vw, 16px);
  line-height: 1.82;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

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

.page-privacy .privacy-list--ruled {
  gap: 0;
}

.page-privacy .privacy-list--ruled li {
  padding: 14px 16px 14px 24px;
  border: 1px solid var(--line-soft);
  border-top: 0;
  background: rgba(20, 22, 26, .42);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .privacy-list--ruled li:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-list--ruled li:hover {
  border-color: var(--line-strong);
  background: rgba(20, 22, 26, .78);
}

.page-privacy .privacy-list--ruled li::before {
  left: 10px;
  background: var(--amber);
}

/* ---------- 要点卡片 ---------- */

.page-privacy .privacy-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 4px 0 0;
}

.page-privacy .privacy-card {
  padding: 15px 16px 16px;
  border: 1px solid var(--line);
  border-left-width: 3px;
  background: rgba(20, 22, 26, .72);
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-privacy .privacy-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-privacy .privacy-card:hover {
  transform: translateX(4px);
  background: rgba(20, 22, 26, .92);
}

.page-privacy .privacy-card--rights {
  border-left-color: var(--lime);
}

.page-privacy .privacy-card--rights:hover {
  border-color: var(--lime);
}

.page-privacy .privacy-card--safe {
  border-left-color: var(--cyan);
}

.page-privacy .privacy-card--safe:hover {
  border-color: var(--cyan);
}

/* ---------- 提示块 ---------- */

.page-privacy .privacy-note {
  position: relative;
  margin: 0 0 var(--privacy-sec-gap);
  padding: 18px 46px 18px 20px;
  background: var(--paper);
  color: #191b1f;
  border: 1px solid rgba(0, 0, 0, .14);
  box-shadow: 0 3px 0 rgba(0, 0, 0, .22);
}

.page-privacy .privacy-note::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  background: linear-gradient(225deg, var(--bg) 49%, rgba(0, 0, 0, .2) 50%);
}

.page-privacy .privacy-note__tag {
  margin: 0 0 8px;
  display: inline-block;
  padding: 2px 8px;
  background: #14161a;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
}

.page-privacy .privacy-note p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #2a2d33;
}

/* ---------- 联系渠道 ---------- */

.page-privacy .privacy-channel {
  margin-top: 24px;
  padding: 18px 20px 20px;
  border: 1px dashed var(--line-strong);
  border-left: 3px solid var(--lime);
  background: rgba(16, 27, 58, .55);
}

.page-privacy .privacy-channel__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.page-privacy .privacy-channel__mail {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 19px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--accent);
  word-break: break-all;
}

.page-privacy .privacy-channel__note,
.page-privacy .privacy-channel__more {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-privacy .privacy-channel__more {
  margin-top: 10px;
}

.page-privacy .privacy-channel__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 216, 200, .4);
}

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

/* ---------- 返回顶部 ---------- */

.page-privacy .privacy-top-btn {
  position: fixed;
  right: clamp(14px, 2.4vw, 28px);
  bottom: clamp(14px, 2.4vw, 26px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: rgba(7, 9, 13, .88);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  transition:
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-privacy .privacy-top-btn:hover,
.page-privacy .privacy-top-btn:focus-visible {
  color: #0b1020;
  background: var(--lime);
  border-color: var(--lime);
  transform: translateY(-3px);
}

.page-privacy .privacy-top-btn__arrow {
  font-size: 13px;
  line-height: 1;
}

.page-privacy .privacy-top-btn__text {
  display: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-privacy .privacy-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-top-btn__text {
    display: inline;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 76px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--topbar-h) + 30px);
    margin: 0;
    padding: 0 14px 0 0;
    overflow: visible;
    border-right: 1px solid var(--line-soft);
  }

  .page-privacy .privacy-rail__label {
    display: block;
  }

  .page-privacy .privacy-rail__list {
    display: grid;
    gap: 2px;
    padding: 0;
  }

  .page-privacy .privacy-rail__list a {
    display: flex;
    align-items: baseline;
    padding: 8px 10px;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
  }

  .page-privacy .privacy-rail__list a:hover,
  .page-privacy .privacy-rail__list a:focus-visible {
    transform: translateX(3px);
    background: rgba(62, 216, 200, .07);
  }

  .page-privacy .privacy-rail__num {
    flex: none;
    width: 22px;
  }

  .page-privacy .privacy-hero h1 {
    max-width: 22ch;
  }
}

@media (min-width: 1140px) {
  .page-privacy .privacy-figure {
    margin-top: clamp(34px, 3.2vw, 52px);
  }

  .page-privacy .privacy-body {
    max-width: 72ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-card,
  .page-privacy .privacy-rail__list a,
  .page-privacy .privacy-top-btn {
    transition: none;
  }
}