.page-privacy {
  --pp-muted: #526078;
  --pp-line: rgba(10, 14, 23, 0.08);
  --pp-frost-line: rgba(141, 215, 255, 0.22);
  --pp-card: #FFFFFF;
  --pp-pulse-soft: rgba(123, 47, 255, 0.1);
  --pp-flare-soft: rgba(255, 106, 0, 0.08);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-serif);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ===== 首屏框景 ===== */
.privacy-hero {
  background:
    radial-gradient(ellipse 60% 50% at 85% -20%, rgba(123, 47, 255, 0.38), transparent 62%),
    radial-gradient(ellipse 40% 32% at 8% 12%, rgba(255, 106, 0, 0.12), transparent 52%),
    linear-gradient(rgba(141, 215, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141, 215, 255, 0.05) 1px, transparent 1px),
    var(--color-void);
  background-size: auto, auto, 34px 34px, 34px 34px, auto;
  color: var(--color-surface);
  padding: calc(var(--header-h) + 24px) 0 0;
  position: relative;
}

.privacy-hero::after {
  content: "";
  display: block;
  height: 5px;
  background: linear-gradient(90deg, var(--color-flare) 0%, var(--color-pulse) 48%, var(--color-frost) 100%);
  margin-top: 40px;
}

.privacy-breadcrumb {
  margin-bottom: 40px;
}

.page-privacy .breadcrumb__link {
  color: rgba(245, 247, 250, 0.72);
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}

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

.page-privacy .breadcrumb__sep {
  color: var(--color-flare);
}

.page-privacy .breadcrumb__current {
  color: rgba(245, 247, 250, 0.92);
}

.privacy-hero__top {
  display: grid;
  gap: 28px;
}

.privacy-hero__copy {
  padding-bottom: 4px;
}

.privacy-hero__eyebrow {
  color: var(--color-frost);
}

.privacy-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 3.75rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  color: var(--color-surface);
}

.privacy-hero__lede {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.8vw, 1.3125rem);
  color: rgba(245, 247, 250, 0.78);
  max-width: 48ch;
  margin-bottom: 0;
}

.privacy-hero__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.privacy-hero__stamp {
  --stamp-color: var(--color-flare);
  color: var(--stamp-color);
  border: 1px solid currentColor;
  background: transparent;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.privacy-hero__code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: rgba(141, 215, 255, 0.72);
}

.privacy-hero__media {
  position: relative;
  border: 3px solid var(--pp-frost-line);
  background: var(--color-glass-strong);
}

.privacy-hero__media::before {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-top: 3px solid var(--color-flare);
  border-right: 3px solid var(--color-flare);
  z-index: 2;
}

.privacy-hero__media::after {
  content: "PRIVACY / NETWORK";
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: rgba(245, 247, 250, 0.7);
  background: rgba(10, 14, 23, 0.45);
  padding: 4px 8px;
  border: 1px solid rgba(141, 215, 255, 0.25);
}

.privacy-hero__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.privacy-hero__contact {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  background: var(--pp-pulse-soft);
  border-left: 3px solid var(--color-pulse);
  font-size: 0.9375rem;
  color: rgba(245, 247, 250, 0.8);
  line-height: 1.7;
}

.privacy-hero__contact p {
  margin: 0;
}

.privacy-hero__contact-icon {
  color: var(--color-frost);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== 双栏布局 ===== */
.privacy-layout {
  background: var(--color-surface);
  padding: 56px 0 88px;
}

.privacy-layout__inner {
  display: grid;
  gap: 40px;
}

/* ===== 侧边目录 ===== */
.privacy-toc__box {
  background: var(--color-void);
  color: var(--color-surface);
  padding: 26px 22px 20px;
  border: 1px solid var(--pp-frost-line);
  box-shadow: var(--shadow-card);
}

.privacy-toc__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-frost);
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pp-frost-line);
}

.privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.privacy-toc__link {
  display: block;
  color: rgba(245, 247, 250, 0.78);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 10px 12px;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.22s var(--ease-out), color 0.22s var(--ease-out), border-color 0.22s var(--ease-out);
}

.privacy-toc__link:hover,
.privacy-toc__link:focus {
  background: rgba(123, 47, 255, 0.22);
  color: #FFFFFF;
  border-left-color: var(--color-flare);
}

.privacy-toc__foot {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.privacy-toc__rule {
  width: 40px;
  height: 2px;
  background: var(--color-flare);
  flex-shrink: 0;
}

.privacy-toc__foot p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: rgba(245, 247, 250, 0.5);
  margin: 0;
}

.privacy-toc__vnote {
  margin-top: 24px;
  color: var(--color-flare);
  font-family: var(--font-mono);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 0.8125rem;
  letter-spacing: 0.24em;
  line-height: 1.5;
}

/* ===== 正文章节 ===== */
.privacy-doc {
  display: grid;
  gap: 32px;
}

.privacy-chapter {
  scroll-margin-top: calc(var(--header-h) + 20px);
  background: var(--pp-card);
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid rgba(10, 14, 23, 0.06);
  box-shadow: 0 8px 30px rgba(10, 14, 23, 0.07);
  position: relative;
}

.privacy-chapter:target {
  outline: 3px solid rgba(255, 106, 0, 0.35);
  outline-offset: 2px;
}

.privacy-chapter__head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}

.privacy-chapter__num {
  font-family: var(--font-mono);
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 800;
  color: var(--color-flare);
  background: var(--pp-flare-soft);
  border: 1px solid rgba(255, 106, 0, 0.28);
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.privacy-chapter h2 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.375rem, 2.6vw, 1.8125rem);
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: 0;
}

.privacy-chapter__summary {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--pp-muted);
  margin: 12px 0 24px;
}

/* ===== 条款折叠块 ===== */
.privacy-block {
  border: 1px solid rgba(10, 14, 23, 0.08);
  border-left: 3px solid var(--color-pulse);
  background: rgba(245, 247, 250, 0.62);
  margin-top: 14px;
}

.privacy-block[open] {
  background: rgba(245, 247, 250, 0.85);
}

.privacy-block summary {
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 16px 20px;
  color: var(--color-ink);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.privacy-block summary::-webkit-details-marker {
  display: none;
}

.privacy-block summary::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--color-pulse);
  display: inline-block;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.privacy-block[open] summary::before {
  background: var(--color-flare);
  transform: rotate(45deg);
}

.privacy-block__content {
  padding: 0 20px 20px;
  margin-left: 21px;
  border-top: 1px dashed rgba(10, 14, 23, 0.1);
  color: var(--pp-muted);
  font-size: 0.9375rem;
}

.privacy-block__content p:first-child {
  margin-top: 12px;
}

.privacy-block__content ul {
  margin: 10px 0 6px;
  padding-left: 18px;
}

.privacy-block__content li {
  margin-bottom: 8px;
}

.privacy-block__content strong {
  color: var(--color-ink);
  font-weight: 700;
}

/* ===== 尾部联系块 ===== */
.privacy-doc__foot {
  padding: 30px;
  background: var(--color-void);
  color: rgba(245, 247, 250, 0.82);
  border: 1px solid var(--color-pulse);
  box-shadow: var(--shadow-deep);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.privacy-doc__foot p {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.85;
  margin: 0;
  color: rgba(245, 247, 250, 0.78);
}

.privacy-doc__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 响应式：窄屏以上 ===== */
@media (min-width: 720px) {
  .privacy-hero__top {
    grid-template-columns: 1fr 1.25fr;
    gap: 40px;
    align-items: end;
  }

  .privacy-hero__copy {
    padding-bottom: 18px;
  }

  .privacy-hero__lede {
    font-size: 1.125rem;
  }

  .privacy-layout {
    padding-top: 72px;
  }
}

@media (min-width: 1024px) {
  .privacy-layout__inner {
    grid-template-columns: 260px 1fr;
    gap: 56px;
    align-items: start;
  }

  .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
  }

  .privacy-chapter__summary {
    margin-left: 70px;
  }

  .privacy-block__content {
    padding-right: 36px;
  }

  .privacy-doc__foot {
    padding: 36px 40px;
  }
}