.page-privacy {
  --privacy-line: rgba(32, 28, 20, 0.14);
  --privacy-line-strong: rgba(32, 28, 20, 0.26);
  position: relative;
  background: var(--ink-900);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(76px, 13vw, 132px) 0 clamp(40px, 6vw, 72px);
  background:
    radial-gradient(900px 520px at 84% -18%, rgba(201, 242, 77, 0.18), transparent 62%),
    radial-gradient(640px 420px at 2% 112%, rgba(20, 61, 48, 0.92), transparent 70%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  overflow: hidden;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(112deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 13px);
  pointer-events: none;
}

.page-privacy .privacy-hero .container {
  position: relative;
  z-index: 2;
}

.page-privacy .privacy-hero__title {
  margin: 16px 0 0;
  font-size: clamp(36px, 7vw, 82px);
  line-height: 1.03;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 30px;
}

.page-privacy .privacy-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.72;
  color: rgba(244, 239, 226, 0.84);
}

.page-privacy .privacy-hero__aside {
  border-top: 1px solid rgba(201, 242, 77, 0.55);
  padding-top: 14px;
}

.page-privacy .privacy-hero__aside .annotation {
  color: rgba(201, 242, 77, 0.85);
}

.page-privacy .privacy-hero__stamp {
  margin: 8px 0 10px;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__aside-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--steel);
}

.page-privacy .privacy-vertical {
  position: absolute;
  right: 8px;
  top: 46%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: 0.34em;
  color: rgba(201, 242, 77, 0.5);
  display: none;
  pointer-events: none;
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: clamp(32px, 5vw, 64px);
    align-items: end;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-vertical {
    display: block;
  }
}

/* ---------- 顶部横幅图 ---------- */
.page-privacy .privacy-banner {
  position: relative;
  margin: 0;
  line-height: 0;
  background: var(--ink-800);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(210px, 32vw, 400px);
  object-fit: cover;
  object-position: center 58%;
}

.page-privacy .privacy-banner__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 92%;
  padding: 9px 16px;
  background: rgba(10, 42, 33, 0.86);
  color: var(--lime-soft);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.1em;
}

/* ---------- 长文画布 ---------- */
.page-privacy .privacy-canvas {
  background: var(--paper);
  color: var(--brown);
  padding: clamp(48px, 7vw, 92px) 0 clamp(64px, 9vw, 128px);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 208px minmax(0, 62ch) minmax(0, 1fr);
    column-gap: clamp(30px, 4.5vw, 64px);
    row-gap: 0;
    align-items: start;
  }
}

/* ---------- 左侧目录 ---------- */
.page-privacy .privacy-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ember);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--privacy-line-strong);
}

.page-privacy .privacy-toc__list li {
  border-bottom: 1px solid var(--privacy-line);
}

.page-privacy .privacy-toc__list a {
  display: flex;
  gap: 10px;
  padding: 10px 8px 10px 10px;
  border-left: 3px solid transparent;
  color: rgba(32, 28, 20, 0.78);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-privacy .privacy-toc__list a .num {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ember);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  background: rgba(201, 242, 77, 0.32);
  border-left-color: var(--ink-700);
  color: var(--ink-900);
}

.page-privacy .privacy-toc__btn {
  display: block;
  width: 100%;
  padding: 11px 16px;
  border: 1px solid var(--ink-700);
  background: transparent;
  color: var(--ink-900);
  font-size: 14px;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-privacy .privacy-toc__btn:hover,
.page-privacy .privacy-toc__btn:focus-visible {
  background: var(--ink-700);
  color: var(--lime-soft);
}

@media (min-width: 1000px) {
  .page-privacy .privacy-toc {
    position: sticky;
    top: 88px;
  }
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  scroll-margin-top: 96px;
}

.page-privacy .privacy-section + .privacy-section {
  margin-top: clamp(40px, 5.5vw, 68px);
  padding-top: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--privacy-line);
}

.page-privacy .privacy-section__head {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .privacy-section__num {
  flex: none;
  padding: 2px 6px;
  border: 1px solid rgba(255, 90, 33, 0.42);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ember);
  transform: translateY(-2px);
}

.page-privacy .privacy-section__head .h-2 {
  margin: 0;
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--brown);
}

.page-privacy .privacy-section:target .privacy-section__head::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 2px;
  bottom: 2px;
  width: 3px;
  background: var(--lime);
}

/* ---------- 正文 ---------- */
.page-privacy .prose p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.76;
  color: rgba(32, 28, 20, 0.86);
}

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

.page-privacy .prose strong {
  color: var(--brown);
  font-weight: 700;
}

.page-privacy .privacy-inline-link {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  padding-bottom: 1px;
  transition: background-color 0.22s var(--ease);
}

.page-privacy .privacy-inline-link:hover,
.page-privacy .privacy-inline-link:focus-visible {
  background: rgba(201, 242, 77, 0.48);
}

/* ---------- 术语浮层 ---------- */
.page-privacy .term {
  position: relative;
  display: inline-block;
  color: var(--ink-900);
  border-bottom: 1px dashed rgba(32, 28, 20, 0.45);
  cursor: help;
}

.page-privacy .term__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: min(250px, 68vw);
  padding: 10px 12px;
  background: var(--ink-900);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
  z-index: 30;
  pointer-events: none;
}

.page-privacy .term:hover .term__tip,
.page-privacy .term:focus .term__tip,
.page-privacy .term:focus-within .term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-privacy .term:focus-visible {
  outline: 2px solid var(--ink-900);
  outline-offset: 2px;
}

/* ---------- 用途列表 ---------- */
.page-privacy .privacy-uses {
  list-style: none;
  margin: 6px 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-uses li {
  padding: 16px 18px 16px 20px;
  border-left: 3px solid var(--ink-700);
  background: linear-gradient(90deg, rgba(201, 242, 77, 0.3), rgba(201, 242, 77, 0) 74%);
}

.page-privacy .privacy-uses h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-privacy .privacy-uses p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(32, 28, 20, 0.8);
}

/* ---------- 圆点列表 ---------- */
.page-privacy .privacy-bullets {
  list-style: none;
  margin: 6px 0 18px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-privacy .privacy-bullets li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(32, 28, 20, 0.84);
}

.page-privacy .privacy-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 11px;
  height: 2px;
  background: var(--ember);
}

/* ---------- 留存表 ---------- */
.page-privacy .privacy-retention {
  margin: 16px 0 20px;
  border-top: 1px solid var(--privacy-line-strong);
}

.page-privacy .privacy-retention > div {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--privacy-line);
}

.page-privacy .privacy-retention dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-700);
  padding-top: 2px;
}

.page-privacy .privacy-retention dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: rgba(32, 28, 20, 0.84);
}

@media (min-width: 720px) {
  .page-privacy .privacy-retention > div {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
  }
}

/* ---------- 选择清单 ---------- */
.page-privacy .privacy-choices {
  list-style: none;
  margin: 12px 0 26px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-privacy .privacy-choices li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(32, 28, 20, 0.84);
}

.page-privacy .privacy-choices li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  background: var(--lime);
  box-shadow: 0 0 0 1px var(--ink-700);
}

/* ---------- 操作区 ---------- */
.page-privacy .privacy-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.page-privacy .privacy-actions .btn--lime {
  padding: 11px 20px;
  border: 1px solid var(--ink-900);
  background: var(--lime);
  color: var(--ink-900);
  font-size: 14px;
  text-decoration: none;
  transition: background-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-privacy .privacy-actions .btn--lime:hover,
.page-privacy .privacy-actions .btn--lime:focus-visible {
  background: var(--lime-soft);
  transform: translateY(-2px);
}

.page-privacy .privacy-actions .btn--ghost {
  padding: 11px 18px;
  border: 1px solid var(--ink-700);
  background: transparent;
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-privacy .privacy-actions .btn--ghost:hover,
.page-privacy .privacy-actions .btn--ghost:focus-visible {
  background: var(--ink-700);
  color: var(--lime-soft);
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
</main>