.page-privacy {
  --privacy-paper: #1B1D24;
  --privacy-paper-2: #20232B;
  --privacy-line: rgba(255, 255, 255, 0.06);
  --privacy-line-strong: rgba(255, 255, 255, 0.1);
}

/* ===================== 页头横幅 ===================== */
.page-privacy .privacy-hero {
  position: relative;
  padding: var(--sp-4) 0 var(--sp-5);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -100px;
  width: 380px;
  height: 380px;
  background: var(--gradient-brand);
  opacity: 0.09;
  filter: blur(80px);
  pointer-events: none;
  border-radius: 50%;
}

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

.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-5);
  margin-top: var(--sp-5);
}

.page-privacy .privacy-hero__content {
  max-width: 680px;
}

.page-privacy .privacy-hero__label {
  display: inline-block;
  font-family: var(--font-code);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid rgba(255, 107, 0, 0.35);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  margin-bottom: var(--sp-4);
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-text);
  margin: 0 0 var(--sp-4);
}

.page-privacy .privacy-hero__lead {
  color: var(--color-muted);
  font-size: var(--text-lg);
  line-height: 1.8;
  margin: 0 0 var(--sp-4);
  max-width: 620px;
}

.page-privacy .privacy-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-privacy .privacy-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--privacy-line-strong);
  aspect-ratio: 16 / 9;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

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

.page-privacy .privacy-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 108, 255, 0.14), transparent 38%, rgba(255, 107, 0, 0.1));
  pointer-events: none;
}

/* ===================== 正文双栏 ===================== */
.page-privacy .privacy-body {
  padding: var(--sp-1) 0 0;
}

.page-privacy .privacy-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-5);
  align-items: start;
}

/* —— 目录 —— */
.page-privacy .privacy-toc__paper {
  background: var(--privacy-paper);
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius);
  padding: var(--sp-4) var(--sp-5);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.page-privacy .privacy-toc__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc__label {
  flex-shrink: 0;
  font-family: var(--font-code);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  white-space: nowrap;
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: var(--sp-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-toc__item {
  flex-shrink: 0;
}

.page-privacy .privacy-toc__link {
  display: block;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--privacy-line);
  border-radius: 999px;
  color: var(--color-muted);
  font-size: var(--text-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-text);
}

.page-privacy .privacy-toc__meta {
  display: none;
}

/* —— 文档纸张叠层 —— */
.page-privacy .privacy-doc {
  position: relative;
}

.page-privacy .privacy-doc::before {
  content: "";
  position: absolute;
  inset: 12px -8px -8px 10px;
  background: var(--privacy-paper-2);
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius);
  transform: rotate(0.4deg);
  z-index: 0;
  pointer-events: none;
}

.page-privacy .privacy-doc__paper {
  position: relative;
  z-index: 1;
  background:
    radial-gradient(circle at 12% 18%, rgba(0, 229, 255, 0.02), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 140px),
    var(--privacy-paper);
  border: 1px solid var(--privacy-line-strong);
  border-radius: var(--radius);
  padding: var(--sp-5) var(--sp-4) var(--sp-6);
}

.page-privacy .privacy-doc__intro {
  font-size: var(--text-lg);
  line-height: 1.9;
  color: var(--color-text);
  margin: 0 0 var(--sp-5);
  padding-bottom: var(--sp-5);
  border-bottom: 2px solid var(--privacy-line);
}

/* —— 章节 —— */
.page-privacy .privacy-section {
  scroll-margin-top: calc(var(--header-h-mobile) + var(--sp-5));
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--privacy-line);
}

.page-privacy .privacy-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.page-privacy .privacy-section:target {
  background: linear-gradient(90deg, rgba(10, 108, 255, 0.07), transparent 65%);
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.page-privacy .privacy-section__head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--privacy-line-strong), transparent);
}

.page-privacy .privacy-section__no {
  font-family: var(--font-code);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: 1px solid rgba(255, 107, 0, 0.35);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
  white-space: nowrap;
}

.page-privacy .privacy-section__head h2 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  transition: color var(--dur) var(--ease);
}

.page-privacy .privacy-section:target .privacy-section__head h2 {
  color: var(--color-primary);
}

.page-privacy .privacy-section__body > p {
  color: var(--color-muted);
  line-height: 1.85;
  margin: 0 0 var(--sp-4);
}

.page-privacy .privacy-section__body h3 {
  display: inline-block;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface-2);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.3rem 0.85rem;
  margin: var(--sp-5) 0 var(--sp-3);
}

.page-privacy .privacy-section__body ul {
  list-style: none;
  margin: 0 0 var(--sp-5);
  padding: 0;
}

.page-privacy .privacy-section__body li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-2);
}

.page-privacy .privacy-section__body li::before {
  content: "▪";
  position: absolute;
  left: 0.2rem;
  top: 0.08em;
  color: var(--color-cyan);
  font-size: 0.75em;
}

.page-privacy .privacy-section__body li strong {
  color: var(--color-text);
  font-weight: 500;
}

/* ===================== 平台数据承诺 ===================== */
.page-privacy .privacy-promise {
  padding: var(--sp-7) 0 var(--sp-5);
}

.page-privacy .privacy-promise__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-5);
}

.page-privacy .privacy-promise__head .section-heading__label {
  color: var(--color-accent);
}

.page-privacy .privacy-promise__head h2 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-text);
  margin: var(--sp-3) 0 var(--sp-3);
}

.page-privacy .privacy-promise__head p {
  color: var(--color-muted);
  line-height: 1.8;
  margin: 0;
}

.page-privacy .privacy-promise__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-privacy .privacy-promise__item {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  background: var(--privacy-paper);
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius);
  padding: var(--sp-4) var(--sp-5);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-privacy .privacy-promise__item:hover {
  border-color: var(--privacy-line-strong);
  transform: translateY(-2px);
}

.page-privacy .privacy-promise__icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  color: var(--color-accent);
  margin-top: 0.1rem;
}

.page-privacy .privacy-promise__item strong {
  display: block;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--sp-2);
}

.page-privacy .privacy-promise__item p {
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0;
  font-size: var(--text-sm);
}

/* ===================== 底部联系 ===================== */
.page-privacy .privacy-contact {
  padding: var(--sp-6) 0 var(--sp-8);
}

.page-privacy .privacy-contact__card {
  position: relative;
  background: var(--privacy-paper);
  border: 1px solid var(--privacy-line-strong);
  border-radius: var(--radius);
  padding: var(--sp-6) var(--sp-5);
  text-align: center;
  overflow: hidden;
}

.page-privacy .privacy-contact__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-scan);
}

.page-privacy .privacy-contact__card h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--color-text);
  margin: 0 0 var(--sp-3);
}

.page-privacy .privacy-contact__card p {
  color: var(--color-muted);
  max-width: 520px;
  margin: 0 auto var(--sp-5);
  line-height: 1.8;
}

.page-privacy .privacy-contact__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-3);
}

/* ===================== 平板增强 ===================== */
@media (min-width: 720px) {
  .page-privacy .privacy-hero__figure {
    aspect-ratio: 21 / 9;
  }

  .page-privacy .privacy-doc__paper {
    padding: var(--sp-6) var(--sp-6) var(--sp-7);
  }

  .page-privacy .privacy-promise__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: var(--sp-6);
  }

  .page-privacy .privacy-toc__meta {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    margin-top: var(--sp-4);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--privacy-line);
  }
}

/* ===================== 桌面增强 ===================== */
@media (min-width: 960px) {
  .page-privacy .privacy-hero {
    padding: var(--sp-6) 0 var(--sp-7);
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--sp-6);
    align-items: center;
    margin-top: var(--sp-6);
  }

  .page-privacy .privacy-hero__figure {
    aspect-ratio: 4 / 3;
  }

  .page-privacy .privacy-body__grid {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: var(--sp-6);
  }

  .page-privacy .privacy-toc__paper {
    position: sticky;
    top: var(--sp-5);
  }

  .page-privacy .privacy-toc__inner {
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-4);
    overflow: visible;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: var(--sp-1);
  }

  .page-privacy .privacy-toc__item {
    flex-shrink: 1;
  }

  .page-privacy .privacy-toc__link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-2) var(--sp-3);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
  }

  .page-privacy .privacy-toc__link::after {
    content: "→";
    font-family: var(--font-code);
    color: var(--color-primary);
    opacity: 0;
    transform: translateX(-2px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    border-color: var(--privacy-line);
    background: var(--color-surface-2);
  }

  .page-privacy .privacy-toc__link:hover::after,
  .page-privacy .privacy-toc__link:focus-visible::after {
    opacity: 1;
    transform: translateX(0);
  }

  .page-privacy .privacy-toc__meta {
    margin-top: auto;
  }

  .page-privacy .privacy-section {
    scroll-margin-top: var(--sp-5);
  }
}