/* ===== 页面作用域：隐私政策 ===== */
.page-privacy {
  --privacy-ink: #0E332A;
  --privacy-ink-soft: #41625A;
  background: var(--ky-field);
  color: var(--ky-chalk);
}

/* --- 首屏框景 --- */
.page-privacy .privacy-masthead {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--ky-line);
  background: linear-gradient(180deg, var(--ky-stand) 0%, var(--ky-field) 100%);
}

.page-privacy .privacy-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ky-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--ky-line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.55;
  pointer-events: none;
}

.page-privacy .privacy-masthead__inner {
  position: relative;
  z-index: 1;
  max-width: 840px;
  padding: clamp(24px, 4.5vw, 52px) 0 clamp(20px, 3.5vw, 38px);
}

.page-privacy .privacy-masthead .ky-breadcrumb {
  margin-bottom: 18px;
}

.page-privacy #privacy-title {
  margin: 10px 0 16px;
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.06;
}

.page-privacy .privacy-lede {
  max-width: 62ch;
  margin: 0 0 18px;
  color: var(--ky-chalk);
}

.page-privacy .privacy-stamp {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-mute);
}

.page-privacy .privacy-stamp .ky-num {
  color: var(--ky-amber);
}

.page-privacy .privacy-banner {
  position: relative;
  z-index: 1;
  max-width: 1600px;
  margin: 0 auto;
  background: var(--ky-night);
  border-top: 2px solid var(--ky-amber);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  opacity: 0.9;
}

/* --- 双栏骨架：左目录 + 右条款 --- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
  padding-top: clamp(30px, 5vw, 62px);
  padding-bottom: clamp(52px, 8vw, 104px);
}

.page-privacy .privacy-rail {
  position: relative;
  padding-left: 18px;
  border-left: 1px solid var(--ky-line);
}

.page-privacy .privacy-rail::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 2px;
  height: 54px;
  background: var(--ky-signal);
}

.page-privacy .privacy-rail__label {
  margin: 0 0 14px;
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ky-amber);
}

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

.page-privacy .privacy-rail__list > li + li {
  margin-top: 4px;
}

.page-privacy .privacy-rail__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 7px 4px 7px 0;
  border-bottom: 1px solid var(--ky-line-soft);
  color: var(--ky-mute);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 200ms var(--ky-ease), padding-left 200ms var(--ky-ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--ky-signal);
  padding-left: 6px;
}

.page-privacy .privacy-rail__no {
  font-family: var(--ky-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ky-amber);
}

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

/* --- 条款条块 --- */
.page-privacy .privacy-clause {
  padding: clamp(26px, 3.5vw, 42px) 0;
  border-top: 1px solid var(--ky-line);
}

.page-privacy .privacy-clause:first-child {
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 3px solid var(--ky-signal);
}

.page-privacy .privacy-clause:last-child {
  padding-bottom: 0;
}

.page-privacy .privacy-clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}

.page-privacy .privacy-clause__no {
  font-family: var(--ky-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ky-signal);
  padding: 3px 7px;
  border: 1px solid var(--ky-moss);
  background: var(--ky-signal-soft);
}

.page-privacy .privacy-clause__head .ky-heading--sm {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 26px);
}

.page-privacy .privacy-clause__body > p {
  max-width: 68ch;
  margin: 0 0 16px;
  color: var(--ky-chalk);
  line-height: 1.75;
}

/* --- 条目列表 --- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .privacy-list > li {
  position: relative;
  max-width: 68ch;
  padding-left: 24px;
  color: var(--ky-mute);
  line-height: 1.75;
}

.page-privacy .privacy-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 2px;
  background: var(--ky-amber);
}

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

.page-privacy .privacy-list a {
  color: var(--ky-signal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* --- 对照表 --- */
.page-privacy .privacy-table {
  margin: 22px 0 24px;
  border: 1px solid var(--ky-line);
  background: var(--ky-stand);
}

.page-privacy .privacy-table table {
  min-width: 560px;
  margin: 0;
}

/* --- 边注 --- */
.page-privacy .privacy-aside {
  max-width: 68ch;
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--ky-moss);
  color: var(--ky-mute);
  font-size: 14px;
  line-height: 1.72;
}

/* --- 纸面米白权利卡 --- */
.page-privacy .privacy-note {
  max-width: 68ch;
  margin: 28px 0 0;
  background: var(--ky-paper);
  color: var(--privacy-ink);
  border: 1px solid var(--ky-moss);
  box-shadow: 8px 8px 0 rgba(31, 92, 74, 0.28);
}

.page-privacy .privacy-note__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  font-family: var(--ky-font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-note__summary::after {
  content: "展开";
  flex: none;
  padding: 3px 8px;
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--privacy-ink-soft);
  border: 1px solid rgba(14, 51, 42, 0.3);
}

.page-privacy .privacy-note[open] .privacy-note__summary::after {
  content: "收起";
  color: var(--privacy-ink);
  background: rgba(69, 240, 196, 0.28);
}

.page-privacy .privacy-note__body {
  padding: 0 18px 18px;
  border-top: 1px dashed rgba(14, 51, 42, 0.25);
}

.page-privacy .privacy-note__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--privacy-ink-soft);
}

.page-privacy .privacy-note__body a {
  color: var(--ky-moss);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-mail {
  font-family: var(--ky-font-mono);
  font-size: 14px;
  color: var(--privacy-ink);
  background: rgba(69, 240, 196, 0.22);
  border-bottom: 1px solid var(--ky-moss);
  padding: 1px 6px;
  overflow-wrap: anywhere;
}

/* --- 桌面端：目录固定，条款滚动阅读 --- */
@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 84px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 92px;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
}

@media (min-width: 1280px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 264px minmax(0, 1fr);
  }
}

/* --- 窄屏收敛 --- */
@media (max-width: 899px) {
  .page-privacy .privacy-rail {
    padding-bottom: 14px;
    border-left-width: 2px;
  }

  .page-privacy .privacy-rail__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 4px 20px;
  }

  .page-privacy .privacy-rail__list > li + li {
    margin-top: 0;
  }
}

@media (max-width: 600px) {
  .page-privacy .privacy-clause__head {
    gap: 10px;
  }

  .page-privacy .privacy-note {
    box-shadow: 5px 5px 0 rgba(31, 92, 74, 0.28);
  }

  .page-privacy .privacy-note__summary {
    padding: 14px 15px;
    font-size: 15px;
  }

  .page-privacy .privacy-note__body {
    padding: 0 15px 15px;
  }

  .page-privacy .privacy-table table {
    min-width: 520px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link {
    transition: none;
  }
}