/* ===== 隐私中心 /privacy-center/ ===== */

.page-privacy {
  --pp-paper-soft: #FBF7EE;
  --pp-ink-body: #2A3140;
  --pp-ink-mute: #4A5162;
  --pp-link: #4A6B0C;
  background: var(--ink);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-privacy__hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 84px) 0 clamp(28px, 4vw, 48px);
  background:
    radial-gradient(760px 380px at 88% -20%, rgba(198, 242, 78, 0.16), transparent 68%),
    linear-gradient(180deg, var(--ink) 0%, var(--navy) 100%);
  border-bottom: 1px solid var(--edge);
}

.page-privacy__hero-inner {
  position: relative;
  z-index: 1;
}

.page-privacy__ghost {
  position: absolute;
  right: -3vw;
  bottom: -0.14em;
  z-index: 0;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(76px, 19vw, 250px);
  line-height: 0.8;
  letter-spacing: -0.035em;
  color: transparent;
  -webkit-text-stroke: 1px var(--edge);
  opacity: 0.6;
  pointer-events: none;
  user-select: none;
}

.page-privacy__crumbs .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-privacy__crumb {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-privacy__crumbs .crumbs__sep {
  color: var(--edge);
}

.page-privacy__crumbs [aria-current="page"] {
  color: var(--lime);
}

.page-privacy__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(46px, 10vw, 108px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy__title::after {
  content: "";
  display: block;
  width: clamp(72px, 12vw, 148px);
  height: 6px;
  margin-top: 20px;
  background: var(--lime);
}

.page-privacy__lede {
  margin: clamp(22px, 3vw, 30px) 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.9;
  color: var(--muted);
}

.page-privacy__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  margin: clamp(30px, 4vw, 42px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--edge);
}

.page-privacy__meta-item {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-privacy__meta dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  opacity: 0.78;
}

.page-privacy__meta dd {
  margin: 0;
  font-size: 15px;
}

.page-privacy__meta a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 242, 78, 0.4);
  transition: border-color 0.18s ease;
}

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

/* ---------- 首图带 ---------- */
.page-privacy__band {
  background: var(--ink);
  padding: 0 0 clamp(36px, 5vw, 64px);
}

.page-privacy__figure {
  margin: 0;
  border: 1px solid var(--edge);
  background: var(--navy);
  overflow: hidden;
}

.page-privacy__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 800;
  object-fit: cover;
}

.page-privacy__figure-cap {
  display: block;
  padding: 12px clamp(14px, 2vw, 20px);
  border-top: 1px solid var(--edge);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ---------- 纸色正文区 ---------- */
.page-privacy__sheet {
  position: relative;
  background: var(--paper);
  color: var(--text-on-paper);
  padding: clamp(38px, 6vw, 78px) 0 clamp(52px, 8vw, 104px);
}

.page-privacy__sheet::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--lime) 0%, var(--lime-deep) 38%, var(--amber) 72%, transparent 100%);
}

.page-privacy__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

/* ---------- 章节目录 ---------- */
.page-privacy__rail-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #7A7364;
}

.page-privacy__rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy__rail-list > li {
  flex: 0 0 auto;
}

.page-privacy .anchor-rail__link {
  display: block;
  padding: 9px 14px;
  font-size: 14px;
  line-height: 1.45;
  white-space: nowrap;
  color: var(--pp-ink-mute);
  text-decoration: none;
  background: var(--pp-paper-soft);
  border: 1px solid var(--paper-2);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-privacy .anchor-rail__link:hover,
.page-privacy .anchor-rail__link:focus-visible {
  color: var(--text-on-paper);
  border-color: var(--lime-deep);
}

.page-privacy .anchor-rail__link[aria-current="true"] {
  color: var(--text-on-paper);
  font-weight: 600;
  background: rgba(143, 209, 23, 0.16);
  border-color: var(--lime-deep);
}

/* ---------- 文档主体 ---------- */
.page-privacy__doc {
  min-width: 0;
}

.page-privacy__chapter + .page-privacy__chapter {
  margin-top: clamp(38px, 5vw, 64px);
}

.page-privacy__chapter-head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 18px);
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: clamp(13px, 2vw, 17px) clamp(14px, 2.4vw, 22px);
  background: var(--ink);
  color: var(--paper);
  border-left: 5px solid var(--lime);
}

.page-privacy__chapter-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-privacy__chapter-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.5vw, 26px);
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.page-privacy__para {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.92;
  color: var(--pp-ink-body);
}

.page-privacy__para:last-child {
  margin-bottom: 0;
}

.page-privacy__para a {
  color: var(--pp-link);
  text-decoration: underline;
  text-decoration-color: var(--lime-deep);
  text-underline-offset: 3px;
  transition: color 0.18s ease;
}

.page-privacy__para a:hover,
.page-privacy__para a:focus-visible {
  color: var(--text-on-paper);
}

.page-privacy__subtitle {
  margin: clamp(24px, 3vw, 32px) 0 10px;
  padding-left: 12px;
  border-left: 3px solid var(--lime-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.5;
  color: var(--text-on-paper);
}

/* ---------- 条目列表 ---------- */
.page-privacy__items {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy__item {
  padding: clamp(14px, 2vw, 18px) clamp(14px, 2.2vw, 20px);
  background: var(--pp-paper-soft);
  border: 1px solid var(--paper-2);
  border-left: 3px solid var(--edge);
  transition: border-left-color 0.18s ease, box-shadow 0.18s ease;
}

.page-privacy__item:hover {
  border-left-color: var(--lime-deep);
  box-shadow: 0 2px 0 var(--paper-2);
}

.page-privacy__item-title {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--text-on-paper);
}

.page-privacy__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: #3A4152;
}

/* ---------- 期限清单 ---------- */
.page-privacy__terms {
  margin: 0 0 6px;
  padding: 0;
  border-top: 1px solid var(--paper-2);
}

.page-privacy__term {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 13px 0;
  border-bottom: 1px solid var(--paper-2);
}

.page-privacy__term dt {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-on-paper);
}

.page-privacy__term dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--pp-ink-mute);
}

/* ---------- 折叠说明 ---------- */
.page-privacy__fold {
  margin-top: 20px;
  background: var(--pp-paper-soft);
  border: 1px solid var(--paper-2);
  border-left: 3px solid var(--amber);
}

.page-privacy__fold > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--text-on-paper);
}

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

.page-privacy__fold > summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--amber);
}

.page-privacy__fold[open] > summary::before {
  content: "\2212";
}

.page-privacy__fold-body {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: #3A4152;
}

.page-privacy__fold-body p {
  margin: 0;
}

/* ---------- 下一步 ---------- */
.page-privacy__next {
  background: var(--ink);
  border-top: 1px solid var(--edge);
  padding: clamp(38px, 5vw, 60px) 0;
}

.page-privacy__next-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
}

.page-privacy__next-text {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--text);
}

.page-privacy__next-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-privacy__term {
    grid-template-columns: minmax(0, 1fr) 210px;
    align-items: baseline;
    gap: 24px;
  }
}

@media (min-width: 980px) {
  .page-privacy__layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
    gap: clamp(36px, 4vw, 60px);
  }

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

  .page-privacy__rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy__rail-list > li {
    flex: 0 0 auto;
  }

  .page-privacy .anchor-rail__link {
    padding: 9px 12px;
    white-space: normal;
    background: transparent;
    border: 0;
    border-left: 2px solid var(--paper-2);
  }

  .page-privacy .anchor-rail__link[aria-current="true"] {
    background: rgba(143, 209, 23, 0.12);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}