.page-privacy {
  background: var(--night);
  color: var(--silver);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.75;
}

.page-privacy a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--ease), border-color var(--ease);
}

.page-privacy a:hover,
.page-privacy a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--signal);
}

.page-privacy img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 6vw, 80px) 0 clamp(32px, 5vw, 60px);
  background:
    radial-gradient(120% 90% at 88% 2%, rgba(255, 122, 41, 0.18), rgba(255, 122, 41, 0) 54%),
    radial-gradient(90% 70% at 4% 98%, rgba(63, 191, 176, 0.12), rgba(63, 191, 176, 0) 62%),
    linear-gradient(180deg, var(--deep) 0%, var(--night) 84%);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(198, 210, 226, 0.3) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.32;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 72%);
}

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

.page-privacy .privacy-crumb {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--grey);
  margin-bottom: 22px;
}

.page-privacy .privacy-crumb a {
  border-bottom: none;
  color: var(--grey);
}

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

.page-privacy .privacy-crumb__sep {
  color: var(--ochre);
  margin: 0 8px;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: 0.07em;
  color: var(--moon);
  margin: 14px 0 0;
  max-width: 20ch;
}

.page-privacy .privacy-hero__lead {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--silver);
}

.page-privacy .privacy-hero__meta {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-size: 14px;
  color: var(--grey);
}

.page-privacy .privacy-hero__meta .mono {
  color: var(--ochre);
  margin-right: 8px;
}

.page-privacy .privacy-hero__media {
  margin: clamp(30px, 4vw, 48px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  overflow: hidden;
  background: var(--deep);
}

.page-privacy .privacy-hero__media figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
  padding: 12px 16px;
  border-top: 1px solid var(--line);
}

/* ---------- 主体框架：左目录 + 右条款 ---------- */

.page-privacy .privacy-body {
  padding-top: clamp(36px, 5vw, 72px);
  padding-bottom: clamp(48px, 7vw, 96px);
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-privacy .privacy-index {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-index__list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-index__list a {
  display: block;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 14px 4px 14px 4px;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--silver);
  transition: border-color var(--ease), color var(--ease), background-color var(--ease);
}

.page-privacy .privacy-index__list a:hover,
.page-privacy .privacy-index__list a:focus-visible {
  border-color: var(--signal);
  color: var(--moon);
  background: rgba(255, 122, 41, 0.08);
}

.page-privacy .privacy-index__list .mono {
  color: var(--ochre);
  margin-right: 8px;
  font-size: 12.5px;
}

.page-privacy .privacy-index__note {
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--grey);
  line-height: 1.9;
}

.page-privacy .privacy-index__note a {
  border-bottom: 1px dashed var(--line);
}

/* ---------- 条款 ---------- */

.page-privacy .clause {
  position: relative;
  padding-top: clamp(22px, 3vw, 34px);
  margin-bottom: clamp(44px, 6vw, 84px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 92px;
}

.page-privacy .clause:last-of-type {
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-privacy .clause__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 18px;
}

.page-privacy .clause__no {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1;
  color: var(--ochre);
  letter-spacing: 0.06em;
}

.page-privacy .clause h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  letter-spacing: 0.05em;
  color: var(--moon);
  margin: 0;
  line-height: 1.3;
}

.page-privacy .clause__content p {
  max-width: 68ch;
  margin: 0 0 1.2em;
}

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

.page-privacy .clause__aside {
  font-size: 14px;
  color: var(--grey);
  border-left: 2px solid var(--ochre);
  padding-left: 14px;
  margin-top: 22px !important;
}

/* 数据清单 */

.page-privacy .data-list {
  list-style: none;
  margin: 4px 0 24px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  overflow: hidden;
}

.page-privacy .data-item {
  background: var(--deep);
  padding: 20px clamp(16px, 2.4vw, 26px);
}

.page-privacy .data-item h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  color: var(--moon);
  margin: 0 0 8px;
}

.page-privacy .data-item__fields {
  font-size: 12.5px;
  color: var(--amber);
  letter-spacing: 0.04em;
  margin: 0 0 10px;
}

.page-privacy .data-item p:last-child {
  margin: 0;
  font-size: 15.5px;
  color: var(--silver);
}

/* 保留期时间刻度 */

.page-privacy .retention {
  list-style: none;
  margin: 26px 0 26px;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-privacy .retention__marker {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--signal);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: middle;
}

.page-privacy .retention__span {
  font-size: 13.5px;
  color: var(--amber);
  letter-spacing: 0.06em;
  vertical-align: middle;
}

.page-privacy .retention__desc {
  margin: 8px 0 0;
  font-size: 15.5px;
  color: var(--silver);
}

/* 折叠说明 */

.page-privacy .fold {
  border: 1px solid var(--line);
  border-radius: 16px 4px 18px 6px;
  background: var(--deep);
  margin: 0 0 14px;
  overflow: hidden;
  transition: border-color var(--ease);
}

.page-privacy .fold:hover,
.page-privacy .fold[open] {
  border-color: var(--signal);
}

.page-privacy .fold summary {
  cursor: pointer;
  list-style: none;
  padding: 16px clamp(16px, 2.4vw, 24px);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.05em;
  color: var(--moon);
}

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

.page-privacy .fold summary::before {
  content: "+";
  color: var(--signal);
  margin-right: 10px;
  font-family: var(--font-mono);
}

.page-privacy .fold[open] summary::before {
  content: "−";
  color: var(--amber);
}

.page-privacy .fold__body {
  padding: 0 clamp(16px, 2.4vw, 24px) 18px;
  border-top: 1px solid var(--line);
}

.page-privacy .fold__body p {
  font-size: 15.5px;
  margin: 14px 0 0;
  max-width: 66ch;
}

/* 操作步骤 */

.page-privacy .steps {
  list-style: none;
  margin: 8px 0 24px;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-privacy .steps__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-privacy .steps__no {
  font-size: 18px;
  color: var(--ochre);
}

.page-privacy .steps__item h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  color: var(--moon);
  margin: 0 0 6px;
}

.page-privacy .steps__item p {
  margin: 0;
  font-size: 15.5px;
}

/* 提问清单 */

.page-privacy .ask-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .ask-list li {
  position: relative;
  padding-left: 44px;
  font-size: 15.5px;
  color: var(--silver);
}

.page-privacy .ask-list li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0.72em;
  width: 16px;
  height: 1px;
  background: var(--signal);
}

.page-privacy .privacy-mail {
  color: var(--amber) !important;
  border-bottom: 1px solid var(--signal) !important;
  font-family: var(--font-mono);
  font-size: 0.94em;
  word-break: break-all;
}

.page-privacy .privacy-top-wrap {
  margin: 0;
  text-align: right;
}

.page-privacy .privacy-top {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--grey);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 20px;
  transition: border-color var(--ease), color var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  border-color: var(--signal);
  border-bottom-color: var(--signal);
  color: var(--moon);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-privacy .retention {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    position: relative;
    padding-top: 36px;
  }

  .page-privacy .retention::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 8px;
    height: 2px;
    background: linear-gradient(90deg, var(--signal), var(--amber) 46%, var(--line) 100%);
  }

  .page-privacy .retention__item {
    position: relative;
    padding-right: 26px;
  }

  .page-privacy .retention__marker {
    position: absolute;
    top: -33px;
    left: 0;
    margin-right: 0;
  }

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

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: 246px minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(34px, 4vw, 64px);
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 108px;
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    border-left: 2px solid var(--line);
    padding-left: 14px;
  }

  .page-privacy .privacy-index__list a {
    border: none;
    border-radius: 0;
    padding: 7px 0;
    background: none;
    color: var(--silver);
  }

  .page-privacy .privacy-index__list a:hover,
  .page-privacy .privacy-index__list a:focus-visible {
    color: var(--moon);
    background: none;
    border: none;
  }

  .page-privacy .privacy-hero__media {
    margin-top: clamp(38px, 4.5vw, 58px);
  }
}

@media (min-width: 1080px) {
  .page-privacy .clause__head {
    gap: 24px;
  }

  .page-privacy .clause__content {
    padding-left: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy a,
  .page-privacy .privacy-index__list a,
  .page-privacy .fold,
  .page-privacy .privacy-top {
    transition: none;
  }
}
</main>