.page-privacy {
  --priv-num: #0E6E64;
  --priv-rule: rgba(20, 17, 16, .14);
  --priv-ink: #211C19;
  background: var(--sea-900);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.6vw, 40px) 0 clamp(30px, 5vw, 62px);
  background:
    radial-gradient(120% 92% at 88% -14%, rgba(18, 226, 207, .11), transparent 60%),
    radial-gradient(94% 84% at -12% 112%, rgba(255, 107, 69, .10), transparent 62%),
    var(--sea-900);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 58px 58px;
  opacity: .62;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, #000 34%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 34%, transparent 100%);
}

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

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(22px, 3.2vw, 40px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-privacy .privacy-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.2;
  letter-spacing: .005em;
  color: #F3FAFC;
  max-width: 17ch;
}

.page-privacy .privacy-hero .lede {
  margin: 16px 0 0;
  max-width: 44ch;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
  opacity: .84;
}

.page-privacy .privacy-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--console);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  padding: clamp(26px, 4vw, 56px) 0 clamp(52px, 7vw, 96px);
}

.page-privacy .privacy-shell-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 44px);
}

/* ---------- 章节索引 ---------- */
.page-privacy .privacy-axis {
  min-width: 0;
}

.page-privacy .privacy-axis__title {
  margin: 0;
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-axis__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-axis__list::-webkit-scrollbar {
  display: none;
}

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

.page-privacy .privacy-axis__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-label);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-privacy .privacy-axis__no {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-privacy .privacy-axis__link:hover,
.page-privacy .privacy-axis__link:focus-visible {
  color: var(--cyan);
  border-color: var(--line-cyan);
  background: rgba(18, 226, 207, .07);
}

/* ---------- 说明主体 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
  background: var(--cream);
  color: var(--priv-ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 3.4vw, 52px);
  box-shadow: var(--shadow);
}

.page-privacy .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--priv-rule);
}

.page-privacy .clause:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .clause + .clause {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-privacy .clause__no {
  margin: 0;
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--priv-num);
}

.page-privacy .clause__body {
  min-width: 0;
}

.page-privacy .clause__body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 2.5vw, 27px);
  line-height: 1.32;
  color: var(--ink);
}

.page-privacy .clause__body p {
  margin: 14px 0 0;
  max-width: 70ch;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--priv-ink);
}

.page-privacy .clause__body ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  max-width: 70ch;
  display: grid;
  gap: 11px;
}

.page-privacy .clause__body li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.82;
  color: var(--priv-ink);
}

.page-privacy .clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 10px;
  height: 1px;
  background: var(--priv-num);
}

.page-privacy .clause__key {
  font-family: var(--font-label);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-privacy .privacy-doc a {
  color: var(--priv-num);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--dur) var(--ease);
}

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

.page-privacy .privacy-callout {
  max-width: 70ch;
  margin-top: 18px;
  padding: 15px 18px;
  border-left: 2px solid var(--priv-num);
  background: rgba(14, 110, 100, .08);
}

.page-privacy .privacy-callout p {
  margin: 0;
  font-size: 16px;
  color: var(--priv-ink);
}

/* ---------- 折叠补充 ---------- */
.page-privacy .clause__more {
  max-width: 70ch;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--priv-rule);
}

.page-privacy .clause__more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-label);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--priv-num);
  transition: color var(--dur) var(--ease);
}

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

.page-privacy .clause__more summary::after {
  content: "+";
  font-family: var(--font-data);
  font-size: 15px;
  line-height: 1;
}

.page-privacy .clause__more[open] summary::after {
  content: "−";
}

.page-privacy .clause__more summary:hover,
.page-privacy .clause__more summary:focus-visible {
  color: var(--coral);
}

.page-privacy .clause__more ul {
  margin-top: 12px;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: var(--gutter);
  bottom: 86px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  background: rgba(16, 43, 58, .92);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  color: var(--coral);
  border-color: rgba(255, 107, 69, .55);
  transform: translateY(-1px);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-privacy .clause {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 22px;
  }

  .page-privacy .clause__body p,
  .page-privacy .clause__body ul,
  .page-privacy .privacy-callout,
  .page-privacy .clause__more {
    max-width: 68ch;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-shell-grid {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-privacy .privacy-doc {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-axis {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 106px;
    align-self: start;
  }

  .page-privacy .privacy-axis__list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
    border-left: 1px solid var(--line);
  }

  .page-privacy .privacy-axis__item {
    flex: 1 1 auto;
  }

  .page-privacy .privacy-axis__link {
    display: flex;
    width: 100%;
    padding: 10px 4px 10px 15px;
    border: 0;
    border-radius: 0;
    white-space: normal;
    line-height: 1.45;
  }

  .page-privacy .privacy-axis__link:hover,
  .page-privacy .privacy-axis__link:focus-visible {
    background: rgba(18, 226, 207, .06);
  }

  .page-privacy .privacy-top {
    bottom: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-axis__link,
  .page-privacy .privacy-doc a,
  .page-privacy .clause__more summary,
  .page-privacy .privacy-top {
    transition: none;
  }

  .page-privacy .privacy-top:hover,
  .page-privacy .privacy-top:focus-visible {
    transform: none;
  }
}