.page-privacy {
  --p-gut: clamp(18px, 4vw, 56px);
  --p-idx-w: 212px;
  color: var(--star);
}

/* ---------- 首屏窄横幅 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: 72px var(--p-gut) 56px;
  border-bottom: 1px solid var(--line);
  background: var(--deep);
}

.page-privacy .privacy-hero-art {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .52;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7, 11, 24, .42) 0%, rgba(7, 11, 24, .84) 62%, var(--deep) 100%),
    linear-gradient(118deg, rgba(122, 92, 255, .36) 0%, rgba(53, 225, 240, .12) 48%, transparent 78%);
}

.page-privacy .privacy-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
}

.page-privacy .privacy-hero .breadcrumb {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-privacy .privacy-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .privacy-hero .breadcrumb a:hover,
.page-privacy .privacy-hero .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-hero .breadcrumb-sep {
  margin: 0 9px;
  color: var(--violet);
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 18px;
  max-width: 22em;
  font-size: clamp(27px, 4.6vw, 50px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--star);
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--star);
  opacity: .92;
}

/* ---------- 主体栅格 ---------- */

.page-privacy .privacy-body {
  padding: 0 var(--p-gut);
  background: var(--deep);
}

.page-privacy .privacy-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-privacy .privacy-main {
  min-width: 0;
}

/* ---------- 左侧章节索引 ---------- */

.page-privacy .privacy-index {
  min-width: 0;
  padding: 30px 0 12px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-index-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--mist);
}

.page-privacy .privacy-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 20px;
}

.page-privacy .privacy-index-list li {
  min-width: 0;
}

.page-privacy .privacy-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .privacy-index-list a:hover,
.page-privacy .privacy-index-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line);
}

.page-privacy .privacy-index-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
}

.page-privacy .privacy-index-foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-index-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color .2s var(--ease);
}

.page-privacy .privacy-index-foot a:hover,
.page-privacy .privacy-index-foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 条款分节 ---------- */

.page-privacy .privacy-sec {
  padding: clamp(36px, 5vw, 62px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--topbar) + 28px);
}

.page-privacy .privacy-sec:last-of-type {
  border-bottom: 0;
}

.page-privacy .privacy-sec-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 0 0 14px;
}

.page-privacy .privacy-sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: 2px;
}

.page-privacy .privacy-sec:target .privacy-sec-num {
  color: var(--cyan);
}

.page-privacy .privacy-sec-title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 31px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--star);
}

.page-privacy .privacy-sec-lede {
  margin: 0 0 22px;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--star);
  opacity: .9;
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 46em;
  display: grid;
  gap: 15px;
}

.page-privacy .privacy-list > li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--star);
}

.page-privacy .privacy-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--cyan);
}

.page-privacy .privacy-list > li strong {
  margin-right: 8px;
  font-weight: 600;
  color: var(--star);
}

.page-privacy .privacy-note {
  margin: 22px 0 0;
  max-width: 46em;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--violet);
  background: linear-gradient(180deg, rgba(22, 34, 74, .9), rgba(14, 23, 48, .9));
  font-size: 15px;
  line-height: 1.8;
  color: var(--star);
}

/* ---------- 可展开补充说明 ---------- */

.page-privacy .privacy-disclosure {
  margin-top: 22px;
  max-width: 46em;
  border: 1px solid var(--line);
  background: rgba(14, 23, 48, .62);
}

.page-privacy .privacy-disclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-disclosure > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mist);
}

.page-privacy .privacy-disclosure[open] > summary::after {
  content: "–";
  color: var(--gold);
}

.page-privacy .privacy-disclosure .disclosure-body {
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--star);
  opacity: .92;
}

.page-privacy .privacy-disclosure .disclosure-body p {
  margin: 0;
}

/* ---------- 保存期限表 ---------- */

.page-privacy .privacy-terms {
  margin: 0;
  max-width: 46em;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-term {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-term dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-privacy .privacy-term dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--star);
}

/* ---------- 联系信息面板 ---------- */

.page-privacy .privacy-reach {
  margin-top: 28px;
  max-width: 46em;
  padding: 20px 22px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(122, 92, 255, .16) 0%, rgba(53, 225, 240, .06) 58%, transparent 100%);
}

.page-privacy .privacy-reach-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-reach-item {
  min-width: 0;
}

.page-privacy .privacy-reach-item dt {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-privacy .privacy-reach-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  word-break: break-all;
}

.page-privacy .privacy-reach-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 页尾动作 ---------- */

.page-privacy .privacy-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 30px 0 10px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-top {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

/* ---------- 平板与桌面 ---------- */

@media (min-width: 640px) {
  .page-privacy .privacy-term {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .privacy-reach-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 28px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding: 88px var(--p-gut) 64px;
  }

  .page-privacy .privacy-grid {
    grid-template-columns: var(--p-idx-w) minmax(0, 1fr);
    gap: 0 clamp(30px, 4vw, 62px);
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--topbar) + 30px);
    align-self: start;
    max-height: calc(100vh - var(--topbar) - 56px);
    overflow-y: auto;
    padding: 52px 20px 40px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-privacy .privacy-index-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
}

@media (min-width: 1180px) {
  .page-privacy {
    --p-idx-w: 236px;
  }
}

@media (max-width: 479px) {
  .page-privacy .privacy-foot {
    flex-direction: column;
    align-items: stretch;
  }

  .page-privacy .privacy-top {
    margin-left: 0;
    align-self: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy a,
  .page-privacy summary {
    transition: none;
  }
}