.page-privacy {
  --toc-w: 236px;
  --clause-gap: clamp(2.4rem, 5vw, 4rem);
  --pad-block: clamp(2.6rem, 6vw, 5rem);
  background: var(--abyss);
  color: var(--frost);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.6rem, 7vw, 5.5rem) 0 clamp(2rem, 4.5vw, 3.2rem);
  background:
    radial-gradient(115% 85% at 88% -12%, rgba(139, 121, 255, 0.22), transparent 60%),
    radial-gradient(85% 70% at 6% 0%, rgba(121, 230, 221, 0.12), transparent 62%),
    linear-gradient(180deg, #061e2e 0%, var(--abyss) 76%);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ice) 22%, var(--aurora-a) 62%, transparent);
  opacity: 0.85;
}

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

.page-privacy .eyebrow {
  margin: 1.6rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-privacy h1 {
  margin: 0.7rem 0 0;
  max-width: 18em;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 5.6vw, 4.1rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-privacy .privacy-lede {
  max-width: 36em;
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  font-size: clamp(0.98rem, 1.9vw, 1.08rem);
  line-height: 1.85;
  color: var(--silver);
}

.page-privacy .path-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  margin: clamp(1.6rem, 3.5vw, 2.4rem) 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
}

.page-privacy .path-strip > span:nth-child(2) {
  color: var(--ice);
}

.page-privacy .path-jump {
  margin-left: auto;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line-strong);
  color: var(--ice);
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-privacy .path-jump:hover,
.page-privacy .path-jump:focus-visible {
  background: rgba(121, 230, 221, 0.12);
  border-color: var(--ice);
  color: var(--frost);
}

.page-privacy .privacy-figure {
  margin: clamp(1.8rem, 4vw, 2.8rem) 0 0;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--teal-deep);
}

.page-privacy .privacy-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

/* ---------- 阅读台布局 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.8rem, 4vw, 2.6rem);
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(2.2rem, 5vw, 3.6rem) var(--gutter) clamp(3.5rem, 8vw, 6.5rem);
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  border-top: 2px solid var(--ice);
  padding-top: 0.9rem;
}

.page-privacy .toc-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem 0.9rem;
}

.page-privacy .toc-list a {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.5rem 0.15rem;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--silver);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 0.55rem;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-privacy .toc-list a:hover,
.page-privacy .toc-list a:focus-visible {
  color: var(--frost);
  border-left-color: var(--ice);
  background: rgba(121, 230, 221, 0.07);
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  flex: none;
}

.page-privacy .toc-list a:hover .toc-num,
.page-privacy .toc-list a:focus-visible .toc-num {
  color: var(--amber);
}

.page-privacy .toc-note {
  margin: 1rem 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* ---------- 条款章节 ---------- */
.page-privacy .privacy-content {
  min-width: 0;
}

.page-privacy .clause {
  padding-bottom: var(--clause-gap);
  margin-bottom: var(--clause-gap);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

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

.page-privacy .clause h2 {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 1.1rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.1vw, 1.95rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-privacy .clause h2 .index-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.68em;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ice);
}

.page-privacy .clause p {
  max-width: 40em;
  margin: 0 0 1rem;
  font-size: clamp(0.95rem, 1.7vw, 1rem);
  line-height: 1.85;
  color: var(--silver);
}

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

/* 分类信息 */
.page-privacy .info-list {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-privacy .info-item {
  padding-left: 1.1rem;
  border-left: 1px solid var(--line-strong);
}

.page-privacy .info-item dt {
  margin-bottom: 0.4rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--frost);
}

.page-privacy .info-item dd {
  margin: 0;
  max-width: 40em;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--silver);
}

/* 用途编号列表 */
.page-privacy .purpose-list {
  counter-reset: purpose;
  list-style: none;
  display: grid;
  gap: 1.05rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-privacy .purpose-list li {
  counter-increment: purpose;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
}

.page-privacy .purpose-list li::before {
  content: counter(purpose, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ice);
  padding-top: 0.35rem;
  border-top: 1px solid var(--line-strong);
}

.page-privacy .purpose-list li > div {
  border-top: 1px solid var(--line-strong);
  padding-top: 0.35rem;
  max-width: 40em;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-privacy .purpose-list strong {
  color: var(--frost);
  font-weight: 700;
}

/* 保存期限 */
.page-privacy .retention {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 1.5rem 0 1.4rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .retention > div {
  background: #07222f;
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.3rem;
}

.page-privacy .retention .mono-num {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-privacy .retention-label {
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--silver);
}

/* 共享章节色块 */
.page-privacy .clause--indigo {
  padding: clamp(1.3rem, 3.4vw, 2.2rem);
  border-bottom: 1px solid var(--line-strong);
  background:
    linear-gradient(158deg, rgba(38, 36, 92, 0.82) 0%, rgba(11, 59, 68, 0.6) 100%);
}

.page-privacy .clause--indigo h2 .index-num {
  color: var(--aurora-a);
}

.page-privacy .flow-figure {
  margin: 1.6rem 0 0;
}

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

.page-privacy .flow-figure figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* 权利章节 */
.page-privacy .clause--rights {
  padding: clamp(1.3rem, 3.4vw, 2.2rem);
  border-left: 3px solid var(--amber);
  background: linear-gradient(180deg, rgba(11, 59, 68, 0.7), rgba(4, 24, 38, 0.4));
  border-bottom: 0;
}

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

.page-privacy .right-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 52px;
  padding: 0.85rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--frost);
  transition: color 0.22s var(--ease);
}

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

.page-privacy .right-item summary:hover,
.page-privacy .right-item summary:focus-visible {
  color: var(--ice);
}

.page-privacy .right-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--ice);
}

.page-privacy .right-item[open] summary::after {
  content: "—";
  color: var(--amber);
}

.page-privacy .right-item p {
  margin: 0 0 1rem;
  padding-right: 1rem;
  max-width: 40em;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-privacy .rights-contact {
  margin-top: 1.6rem;
  padding-top: 1.3rem;
  border-top: 1px dashed var(--line-strong);
}

.page-privacy .rights-contact-label {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-privacy .copy-line {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  min-height: 52px;
  padding: 0.7rem 1.1rem;
  border: 1px solid rgba(242, 174, 91, 0.55);
  background: rgba(242, 174, 91, 0.08);
  cursor: pointer;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-privacy .copy-line:hover,
.page-privacy .copy-line:focus-visible {
  background: rgba(242, 174, 91, 0.16);
  border-color: var(--amber);
}

.page-privacy .copy-value {
  font-family: var(--font-mono);
  font-size: clamp(0.86rem, 2.2vw, 1rem);
  letter-spacing: 0.01em;
  color: var(--frost);
  word-break: break-all;
}

.page-privacy .copy-hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-privacy .copy-line[data-copied="true"] .copy-value {
  color: var(--amber);
}

.page-privacy .rights-contact-note {
  margin: 0.9rem 0 0;
  max-width: 40em;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--ink-muted);
}

/* 延伸入口 */
.page-privacy .privacy-next {
  padding-top: 0.4rem;
}

.page-privacy .privacy-next h2 {
  margin: 0 0 1.2rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-privacy .next-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .next-links a {
  display: grid;
  gap: 0.35rem;
  min-height: 52px;
  padding: 1rem 1.15rem;
  background: var(--abyss);
  text-decoration: none;
  transition: background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-privacy .next-links a:hover,
.page-privacy .next-links a:focus-visible {
  background: var(--teal-deep);
}

.page-privacy .next-links span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ice);
}

.page-privacy .next-links em {
  font-style: normal;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--silver);
}

.page-privacy a:focus-visible,
.page-privacy summary:focus-visible,
.page-privacy .copy-line:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--toc-w) minmax(0, 1fr);
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    align-self: start;
  }

  .page-privacy .toc-list {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .page-privacy .privacy-figure img {
    max-height: 420px;
  }

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

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

@media (min-width: 1200px) {
  .page-privacy .clause p {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .path-jump,
  .page-privacy .toc-list a,
  .page-privacy .copy-line,
  .page-privacy .next-links a,
  .page-privacy .right-item summary {
    transition: none;
  }
}