.page-privacy {
  background: var(--ky-paper);
  color: var(--ky-ink);
  font-family: var(--ky-font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  background: var(--ky-night);
  color: var(--ky-white);
  padding: calc(var(--ky-header-h) + clamp(48px, 8vw, 96px)) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
  border-radius: 0 0 clamp(24px, 4vw, 44px) clamp(24px, 4vw, 44px);
}

.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .privacy-hero__img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.42;
  display: block;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(120% 90% at 12% 10%, rgba(47, 182, 201, 0.18), transparent 58%),
    linear-gradient(180deg, rgba(11, 18, 32, 0.5) 0%, rgba(11, 18, 32, 0.88) 60%, var(--ky-night) 100%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.page-privacy .privacy-hero__title {
  margin: 14px 0 18px;
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-hero__lede {
  max-width: 62ch;
  color: rgba(253, 253, 251, 0.82);
}

.page-privacy .privacy-hero__crumb {
  margin-top: clamp(24px, 4vw, 40px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-star);
}

.page-privacy .privacy-hero__crumb .ky-breadcrumb__item {
  color: inherit;
  text-decoration: none;
}

.page-privacy .privacy-hero__crumb a.ky-breadcrumb__item:hover,
.page-privacy .privacy-hero__crumb a.ky-breadcrumb__item:focus-visible {
  color: var(--ky-cyan);
}

.page-privacy .privacy-hero__crumb .ky-breadcrumb__item + .ky-breadcrumb__item::before {
  content: "/";
  margin: 0 10px;
  opacity: 0.5;
}

.page-privacy .privacy-hero__crumb .ky-breadcrumb__item[aria-current="page"] {
  color: var(--ky-white);
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-body {
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-side {
  align-self: start;
}

.page-privacy .privacy-toc {
  border-left: 2px solid rgba(36, 28, 22, 0.16);
  padding-left: 18px;
}

.page-privacy .privacy-toc .ky-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc .ky-toc__link {
  display: block;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.45;
  color: rgba(36, 28, 22, 0.66);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 28, 22, 0.08);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-privacy .privacy-toc .ky-toc__link:hover,
.page-privacy .privacy-toc .ky-toc__link:focus-visible {
  color: var(--ky-cyan-deep);
  padding-left: 4px;
}

.page-privacy .privacy-toc .ky-toc__link[aria-current="true"] {
  color: var(--ky-ink);
  font-weight: 700;
  border-bottom-color: var(--ky-orange);
}

.page-privacy .privacy-side__hint {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(36, 28, 22, 0.6);
}

.page-privacy .privacy-side__hint a {
  color: var(--ky-cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-article {
  min-width: 0;
}

.page-privacy .privacy-chapter {
  padding: clamp(30px, 4.5vw, 48px) 0;
  border-top: 1px solid rgba(36, 28, 22, 0.14);
}

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

.page-privacy .privacy-chapter__num {
  display: block;
  font-family: var(--ky-font-mono);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ky-cyan-deep);
  opacity: 0.42;
  margin-bottom: 10px;
}

.page-privacy .privacy-chapter__title {
  margin: 0 0 16px;
}

.page-privacy .privacy-text {
  margin: 0 0 22px;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(36, 28, 22, 0.86);
  max-width: 68ch;
}

/* ---------- 信息条目 ---------- */
.page-privacy .privacy-keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-key {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px dashed rgba(36, 28, 22, 0.18);
}

.page-privacy .privacy-key:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-key__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ky-ink);
  position: relative;
  padding-left: 14px;
}

.page-privacy .privacy-key__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ky-cyan);
}

.page-privacy .privacy-key__text {
  margin: 0;
  padding-left: 14px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(36, 28, 22, 0.78);
  max-width: 66ch;
}

/* ---------- 旁注 ---------- */
.page-privacy .privacy-side-note {
  margin: 24px 0 0;
  max-width: 62ch;
  padding: 12px 18px;
  border-left: 3px solid var(--ky-orange);
  background: rgba(255, 106, 43, 0.07);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(36, 28, 22, 0.85);
}

/* ---------- 折叠补充 ---------- */
.page-privacy .privacy-more {
  margin-top: 22px;
  border: 1px solid rgba(36, 28, 22, 0.16);
  border-radius: 14px;
  background: var(--ky-paper-2);
  overflow: hidden;
}

.page-privacy .privacy-more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ky-ink);
  list-style: none;
}

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

.page-privacy .privacy-more summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--ky-cyan-deep);
  color: var(--ky-cyan-deep);
  font-family: var(--ky-font-mono);
  font-size: 13px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.page-privacy .privacy-more[open] summary::before {
  content: "−";
}

.page-privacy .privacy-more summary:focus-visible {
  outline: 2px solid var(--ky-cyan);
  outline-offset: -2px;
}

.page-privacy .privacy-more p {
  margin: 0;
  padding: 0 18px 16px 48px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(36, 28, 22, 0.78);
  max-width: 66ch;
}

/* ---------- 同步三卡 ---------- */
.page-privacy .privacy-sync-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0 0 8px;
}

.page-privacy .privacy-sync-card {
  padding: 20px 20px 22px;
  border: 1px solid rgba(36, 28, 22, 0.14);
  border-radius: 6px 22px 22px 22px;
  background: rgba(225, 210, 184, 0.5);
}

.page-privacy .privacy-sync-card__title {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--ky-ink);
}

.page-privacy .privacy-sync-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(36, 28, 22, 0.78);
}

/* ---------- 数据点 ---------- */
.page-privacy .privacy-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 0 0 26px;
  padding: 20px;
  border-radius: 22px;
  background: var(--ky-night-2);
  color: var(--ky-white);
}

.page-privacy .privacy-stats .ky-stat {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-privacy .privacy-stats .ky-stat__num {
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ky-cyan);
}

.page-privacy .privacy-stats .ky-stat__label {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--ky-star);
}

.page-privacy .privacy-keys--tight .privacy-key {
  padding: 14px 0;
}

/* ---------- 管理方式 ---------- */
.page-privacy .privacy-choices {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-privacy .privacy-choice {
  padding: 20px;
  border-radius: 20px;
  background: rgba(47, 182, 201, 0.08);
  border: 1px solid rgba(20, 112, 127, 0.24);
}

.page-privacy .privacy-choice__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ky-cyan-deep);
}

.page-privacy .privacy-choice__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(36, 28, 22, 0.82);
}

/* ---------- 联系区块 ---------- */
.page-privacy .privacy-contact {
  margin-top: 6px;
  padding: clamp(22px, 4vw, 34px);
  border-radius: 24px 24px 24px 6px;
  background: var(--ky-paper-2);
  border-left: 5px solid var(--ky-orange);
}

.page-privacy .privacy-contact__list {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

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

.page-privacy .privacy-contact__list .ky-contact__label {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(36, 28, 22, 0.62);
}

.page-privacy .privacy-contact__list .ky-contact__value {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ky-ink);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-contact__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(36, 28, 22, 0.22);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(36, 28, 22, 0.72);
  max-width: 66ch;
}

.page-privacy .privacy-contact__note a {
  color: var(--ky-cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-backtop {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 60;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ky-line);
  border-radius: 50%;
  background: var(--ky-night-2);
  color: var(--ky-white);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.page-privacy .privacy-backtop::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: conic-gradient(var(--ky-orange) calc(var(--ky-ring, 0) * 1%), rgba(140, 153, 171, 0.22) 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
  pointer-events: none;
}

.page-privacy .privacy-backtop[data-visible="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.page-privacy .privacy-backtop:focus-visible {
  outline: 2px solid var(--ky-cyan);
  outline-offset: 3px;
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 719px) {
  .page-privacy .privacy-hero {
    border-radius: 0 0 20px 20px;
  }

  .page-privacy .privacy-toc {
    border-left: 0;
    padding-left: 0;
    border-top: 2px solid rgba(36, 28, 22, 0.16);
    padding-top: 14px;
  }

  .page-privacy .privacy-toc .ky-toc__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-privacy .privacy-toc .ky-toc__link {
    padding: 7px 12px;
    border: 1px solid rgba(36, 28, 22, 0.18);
    border-radius: 999px;
    font-size: 13px;
  }

  .page-privacy .privacy-toc .ky-toc__link[aria-current="true"] {
    border-color: var(--ky-orange);
    background: rgba(255, 106, 43, 0.1);
  }

  .page-privacy .privacy-more p {
    padding-left: 18px;
  }
}

/* ---------- 中屏 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-key {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-privacy .privacy-key__title {
    padding-left: 0;
    padding-right: 8px;
  }

  .page-privacy .privacy-key__title::before {
    display: none;
  }

  .page-privacy .privacy-key__text {
    padding-left: 0;
  }

  .page-privacy .privacy-sync-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-sync-card:first-child {
    grid-column: 1 / -1;
  }

  .page-privacy .privacy-choices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(210px, 250px) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 80px);
    align-items: start;
  }

  .page-privacy .privacy-side {
    position: sticky;
    top: calc(var(--ky-header-h) + 28px);
  }

  .page-privacy .privacy-sync-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-sync-card:first-child {
    grid-column: auto;
  }

  .page-privacy .privacy-chapter {
    padding: clamp(38px, 4.5vw, 56px) 0;
  }

  .page-privacy .privacy-text,
  .page-privacy .privacy-key__text {
    font-size: 17.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-backtop,
  .page-privacy .privacy-toc .ky-toc__link,
  .page-privacy .privacy-more summary::before {
    transition: none;
  }
}

.page-privacy {
  --ky-ring: transparent;
}