/* ===== 数据与隐私页 · page-privacy ===== */
.page-privacy {
  --pv-measure: 66ch;
  background: var(--ink-800);
  color: var(--paper);
}

/* --- 首屏 --- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  border-bottom: 1px solid var(--line);
}

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

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.42;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(4, 17, 14, 0.88) 0%,
    rgba(7, 26, 22, 0.7) 46%,
    rgba(4, 17, 14, 0.95) 100%
  );
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + 56px);
  padding-bottom: 44px;
}

.page-privacy .privacy-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-hero .breadcrumb__item {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-privacy .privacy-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 10px;
  color: rgba(143, 169, 161, 0.5);
}

.page-privacy .privacy-hero .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-privacy .privacy-hero .breadcrumb__link:hover,
.page-privacy .privacy-hero .breadcrumb__link:focus-visible {
  color: var(--cyan);
}

.page-privacy .privacy-hero__label {
  margin: 0 0 18px;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 7.6vw, 60px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(241, 246, 243, 0.8);
}

/* --- 主体骨架 --- */
.page-privacy .privacy-body {
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .privacy-body.layout-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

/* --- 章节索引 --- */
.page-privacy .privacy-rail {
  min-width: 0;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.page-privacy .privacy-rail__label {
  margin: 0;
}

.page-privacy .privacy-rail__list {
  display: flex;
  gap: 20px;
  margin: 12px 0 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-rail__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-rail__item {
  flex: 0 0 auto;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--cyan);
}

.page-privacy .privacy-rail__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* --- 条款正文 --- */
.page-privacy .privacy-clauses {
  min-width: 0;
}

.page-privacy .privacy-clause {
  padding: 34px 0 38px;
  border-top: 1px solid var(--line-soft);
  transition: background-color 0.2s var(--ease);
}

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

.page-privacy .privacy-clause__head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin-bottom: 20px;
}

.page-privacy .privacy-clause__num {
  flex: 0 0 auto;
  min-width: 30px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-privacy .privacy-clause h2 {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 27px);
  font-weight: 600;
  line-height: 1.36;
  letter-spacing: 0.01em;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

.page-privacy .privacy-clause__body {
  max-width: var(--pv-measure);
  padding-left: 0;
}

.page-privacy .privacy-clause__body > p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(241, 246, 243, 0.78);
}

/* --- 01 字段清单 --- */
.page-privacy .privacy-fields {
  margin: 6px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-fields__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-fields dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .privacy-fields dd {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.8;
  color: rgba(241, 246, 243, 0.74);
}

/* --- 02 用途 --- */
.page-privacy .privacy-uses {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-privacy .privacy-uses__item {
  padding: 18px 20px 20px;
  background: var(--ink-800);
  transition: background-color 0.2s var(--ease);
}

.page-privacy .privacy-uses__item:hover {
  background: var(--ink-700);
}

.page-privacy .privacy-uses__item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .privacy-uses__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(241, 246, 243, 0.72);
}

/* --- 03 保存期限 --- */
.page-privacy .privacy-keep {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-keep li {
  position: relative;
  padding: 12px 0 12px 18px;
  font-size: 14.8px;
  line-height: 1.82;
  color: rgba(241, 246, 243, 0.76);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-keep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .privacy-keep strong {
  color: var(--paper);
  font-weight: 600;
}

.page-privacy .privacy-accordion {
  margin: 22px 0 0;
}

.page-privacy .privacy-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  background: var(--ink-700);
  border-left: 2px solid var(--coral);
}

.page-privacy .privacy-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(241, 246, 243, 0.88);
}

/* --- 04 共享 --- */
.page-privacy .privacy-share {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-share li {
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-share li:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-privacy .privacy-share h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--gold-lt);
}

.page-privacy .privacy-share p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.82;
  color: rgba(241, 246, 243, 0.74);
}

/* --- 05 权利 --- */
.page-privacy .privacy-rights {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-privacy .privacy-rights__item {
  padding: 18px 20px 20px;
  background: var(--ink-800);
}

.page-privacy .privacy-rights__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(59, 240, 196, 0.55);
}

.page-privacy .privacy-rights__item h3 {
  margin: 10px 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .privacy-rights__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(241, 246, 243, 0.72);
}

.page-privacy .privacy-after {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

/* --- 06 联系 --- */
.page-privacy .privacy-contact {
  margin: 8px 0 20px;
  padding: 20px 20px 22px;
  background: linear-gradient(150deg, rgba(28, 142, 119, 0.22), rgba(13, 42, 35, 0.5));
  border: 1px solid var(--line-cyan);
}

.page-privacy .privacy-contact__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-contact__val {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.6vw, 21px);
  line-height: 1.4;
  color: var(--cyan);
  word-break: break-all;
}

.page-privacy .privacy-contact__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(241, 246, 243, 0.72);
}

/* --- 底部交叉入口 --- */
.page-privacy .privacy-next {
  padding: clamp(46px, 7vw, 84px) 0 clamp(52px, 7vw, 88px);
  background: var(--ink-900);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-next__title {
  margin: 14px 0 0;
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--paper);
}

.page-privacy .privacy-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 26px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-privacy .privacy-next__card {
  display: block;
  padding: 22px 20px 24px;
  background: var(--ink-800);
  color: inherit;
  text-decoration: none;
  transition: background-color 0.2s var(--ease);
}

.page-privacy .privacy-next__card:hover,
.page-privacy .privacy-next__card:focus-visible {
  background: var(--ink-700);
}

.page-privacy .privacy-next__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-privacy .privacy-next__card h3 {
  margin: 12px 0 10px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-privacy .privacy-next__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(241, 246, 243, 0.72);
}

.page-privacy .privacy-next__go {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .privacy-next__go::after {
  content: " →";
}

.page-privacy .privacy-next__foot {
  margin: 26px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-privacy .privacy-next__foot a {
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 212, 138, 0.4);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .privacy-next__foot a:hover,
.page-privacy .privacy-next__foot a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* --- 平板 --- */
@media (min-width: 640px) {
  .page-privacy .privacy-fields__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

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

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

/* --- 桌面 --- */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero__inner {
    padding-top: calc(var(--header-h) + 108px);
    padding-bottom: 84px;
  }

  .page-privacy .privacy-hero::after {
    background: linear-gradient(
      100deg,
      rgba(4, 17, 14, 0.95) 0%,
      rgba(7, 26, 22, 0.78) 48%,
      rgba(4, 17, 14, 0.6) 100%
    );
  }

  .page-privacy .privacy-body.layout-rail {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: 60px;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    border-bottom: 0;
    padding-bottom: 0;
    max-height: calc(100vh - var(--header-h) - 64px);
    overflow-y: auto;
  }

  .page-privacy .privacy-rail__list {
    display: block;
    margin-top: 16px;
    padding: 0;
    overflow: visible;
  }

  .page-privacy .privacy-rail__item {
    display: block;
    margin-bottom: 2px;
  }

  .page-privacy .privacy-rail__link {
    position: relative;
    padding: 7px 0 7px 14px;
    white-space: normal;
  }

  .page-privacy .privacy-rail__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: transparent;
    transition: background-color 0.18s var(--ease);
  }

  .page-privacy .privacy-rail__link:hover::before,
  .page-privacy .privacy-rail__link:focus-visible::before {
    background: var(--cyan);
  }

  .page-privacy .privacy-clause {
    padding: 40px 0 46px;
  }

  .page-privacy .privacy-clause:hover {
    background: linear-gradient(90deg, rgba(59, 240, 196, 0.05), rgba(59, 240, 196, 0) 62%);
  }

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

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

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