.page-privacy {
  background: var(--indigo);
  color: var(--ink-body);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

.page-privacy .privacy-shell {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2.5rem) var(--gutter) clamp(3rem, 6vw, 5rem);
}

.page-privacy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 224, 255, 0.35);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-privacy a:hover {
  color: var(--orange);
  border-bottom-color: rgba(255, 106, 43, 0.55);
}

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

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: clamp(1rem, 2vw, 1.75rem);
  padding: clamp(1.5rem, 4vw, 3.25rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 92% -10%, rgba(61, 224, 255, 0.18), transparent 58%),
    linear-gradient(158deg, var(--panel), var(--void) 76%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(233, 236, 247, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233, 236, 247, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 72%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 72%);
}

.page-privacy .privacy-hero-figure {
  position: absolute;
  inset: 0 0 0 44%;
  z-index: -1;
  margin: 0;
  opacity: 0.38;
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
}

.page-privacy .privacy-hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-privacy .privacy-hero-text {
  max-width: 62ch;
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 0.9rem;
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: var(--fs-40);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-privacy .privacy-lead {
  margin: 0 0 1.35rem;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-body);
}

.page-privacy .privacy-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-hero-meta li {
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--stone);
  white-space: nowrap;
}

/* ---------- 顶部摘要卡 ---------- */

.page-privacy .privacy-summary {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.25rem, 2.6vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.page-privacy .summary-card {
  padding: 1.15rem 1.1rem 1.35rem;
  background: var(--void);
  display: grid;
  gap: 0.4rem;
  align-content: start;
  border-top: 2px solid rgba(61, 224, 255, 0.5);
  transition: background 200ms ease, border-color 200ms ease;
}

.page-privacy .summary-card:nth-child(2) { border-top-color: rgba(255, 106, 43, 0.55); }
.page-privacy .summary-card:nth-child(3) { border-top-color: rgba(244, 196, 106, 0.55); }
.page-privacy .summary-card:nth-child(4) { border-top-color: rgba(167, 139, 250, 0.6); }

.page-privacy .summary-card:hover {
  background: var(--panel);
}

.page-privacy .summary-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-privacy .summary-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--mist);
  letter-spacing: 0.01em;
}

.page-privacy .summary-card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 正文与目录 ---------- */

.page-privacy .privacy-body {
  display: grid;
  gap: clamp(1.75rem, 3vw, 2.5rem);
  margin-top: clamp(2rem, 4vw, 3.25rem);
}

.page-privacy .privacy-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 1rem 1.05rem 1.1rem;
}

.page-privacy .toc-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-privacy .toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: var(--fs-14);
  color: var(--ink-body);
  background: rgba(5, 8, 23, 0.45);
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.page-privacy .toc-list a:hover {
  color: var(--cyan);
  border-color: var(--line-cyan);
  background: rgba(61, 224, 255, 0.08);
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--orange);
}

/* ---------- 章节 ---------- */

.page-privacy .privacy-sec {
  padding-top: clamp(1.4rem, 2.8vw, 2.1rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: 1.5rem;
}

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

.page-privacy .privacy-sec h2 {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--mist);
  transition: color 180ms ease;
}

.page-privacy .sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-privacy .privacy-sec > p {
  max-width: 72ch;
  margin: 0 0 1rem;
}

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

.page-privacy .privacy-sec:target {
  border-top-color: var(--line-cyan);
}

.page-privacy .privacy-sec:target h2 {
  color: #ffffff;
}

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

/* ---------- 信息类别列表 ---------- */

.page-privacy .spec-list {
  margin: 0 0 1rem;
  border-top: 1px solid var(--line);
}

.page-privacy .spec-row {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .spec-row dt {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--mist);
}

.page-privacy .spec-dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  transform: translateY(-1px);
}

.page-privacy .spec-row dd {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-body);
}

/* ---------- 使用方向 ---------- */

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

.page-privacy .purpose-list li {
  padding: 1rem 1.1rem 1.1rem;
  background: var(--panel);
}

.page-privacy .purpose-tag {
  display: inline-block;
  margin-bottom: 0.45rem;
  padding: 0.1rem 0.45rem;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .purpose-list strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--mist);
}

.page-privacy .purpose-list p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 共享说明 ---------- */

.page-privacy .share-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.page-privacy .share-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-privacy .share-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--moss);
}

/* ---------- 折叠细节 ---------- */

.page-privacy .fold-list {
  display: grid;
  gap: 0.55rem;
  margin: 0 0 1rem;
}

.page-privacy .fold-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--void);
  padding: 0 0.95rem;
  transition: border-color 180ms ease, background 180ms ease;
}

.page-privacy .fold-item:hover {
  border-color: var(--line-strong);
}

.page-privacy .fold-item[open] {
  border-color: var(--line-cyan);
  background: var(--panel);
}

.page-privacy .fold-item summary {
  position: relative;
  padding: 0.75rem 1.7rem 0.75rem 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--mist);
}

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

.page-privacy .fold-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .fold-item[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-privacy .fold-body {
  padding: 0 0 0.95rem;
  border-top: 1px solid var(--line);
  margin-top: 0.1rem;
  padding-top: 0.75rem;
}

.page-privacy .fold-body p {
  margin: 0 0 0.55rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-body);
  max-width: 70ch;
}

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

/* ---------- 权利列表 ---------- */

.page-privacy .rights-list {
  counter-reset: right;
  display: grid;
  gap: 0.65rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-privacy .rights-list li {
  position: relative;
  padding-left: 2.35rem;
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-privacy .rights-list li::before {
  counter-increment: right;
  content: counter(right, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.22rem;
  padding: 0.02rem 0.28rem;
  border: 1px solid rgba(167, 139, 250, 0.5);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.5;
  color: var(--violet);
}

.page-privacy .rights-list strong {
  color: var(--mist);
  font-weight: 700;
  margin-right: 0.3rem;
}

/* ---------- 联系卡 ---------- */

.page-privacy .privacy-contact {
  display: grid;
  gap: 1.15rem;
  margin: 0 0 1.25rem;
  padding: clamp(1.15rem, 3vw, 1.9rem);
  border: 1px solid rgba(255, 106, 43, 0.35);
  border-radius: var(--radius);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 106, 43, 0.16), transparent 60%),
    linear-gradient(150deg, rgba(20, 27, 77, 0.95), var(--void));
}

.page-privacy .contact-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-privacy .contact-list {
  display: grid;
  gap: 0.55rem;
  margin: 0 0 0.85rem;
}

.page-privacy .contact-item {
  display: grid;
  gap: 0.1rem;
}

.page-privacy .contact-item dt {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-privacy .contact-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist);
  word-break: break-word;
}

.page-privacy .contact-note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--stone);
}

.page-privacy .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.page-privacy .contact-actions .btn {
  border-bottom: 0;
}

/* ---------- 回到顶部 ---------- */

.page-privacy .privacy-top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.2rem;
  padding-bottom: 0.15rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--stone);
  border-bottom: 1px solid transparent;
}

.page-privacy .privacy-top-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-privacy .privacy-hero h1 {
    font-size: var(--fs-64);
  }

  .page-privacy .spec-row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 0 1rem;
    align-items: start;
  }

  .page-privacy .contact-item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 0 0.75rem;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-privacy .privacy-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 1000px) {
  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 1fr) 264px;
    grid-template-areas: "main toc";
    align-items: start;
  }

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

  .page-privacy .privacy-toc {
    grid-area: toc;
    position: sticky;
    top: 1.5rem;
    padding: 1.1rem 1rem 1.2rem;
  }

  .page-privacy .toc-list {
    display: grid;
    gap: 0.1rem;
    flex-wrap: nowrap;
  }

  .page-privacy .toc-list a {
    display: flex;
    width: 100%;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 0.42rem 0.45rem;
  }

  .page-privacy .toc-list a:hover {
    border-left-color: var(--cyan);
    background: rgba(61, 224, 255, 0.07);
  }

  .page-privacy .privacy-summary {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-privacy .privacy-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-privacy .contact-actions {
    justify-content: flex-end;
  }
}

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