.page-privacy {
  background-color: var(--color-bg);
  color: var(--color-text);
  padding-bottom: var(--space-7);
}

/* ===== Hero 区域 ===== */
.page-privacy .privacy-hero {
  position: relative;
  padding: var(--space-5) 0 var(--space-5);
  border-bottom: 1px solid var(--border-color);
  background:
    radial-gradient(ellipse at 88% -10%, rgba(0, 229, 255, 0.16), transparent 55%),
    linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 72%);
  scroll-margin-top: calc(var(--header-top-height) + var(--header-main-min-height) + 16px);
}

.page-privacy .privacy-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.page-privacy .privacy-hero__eyebrow {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 8px 18px 8px 28px;
  transform: skewX(var(--skew-angle));
  transform-origin: left bottom;
  margin-bottom: var(--space-4);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.page-privacy .privacy-hero__eyebrow-text {
  display: inline-block;
  transform: skewX(var(--skew-angle-inverse));
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-headline);
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-text-light);
  margin: 0 0 var(--space-3);
}

.page-privacy .privacy-hero__lead {
  max-width: 74ch;
  font-size: 16px;
  line-height: var(--line-height-base);
  color: var(--color-text);
  margin: 0 0 var(--space-4);
}

.page-privacy .privacy-hero__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border-color);
  border: 1px solid var(--border-color);
  margin-top: var(--space-2);
}

.page-privacy .privacy-hero__meta-item {
  background: var(--color-surface);
  padding: 14px 16px;
}

.page-privacy .privacy-hero__meta-item dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.page-privacy .privacy-hero__meta-item dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-light);
}

.page-privacy .privacy-hero__banner {
  margin: var(--space-4) 0 0;
  position: relative;
}

.page-privacy .privacy-hero__frame {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  border-top: 4px solid var(--color-accent);
}

.page-privacy .privacy-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, transparent 50%, var(--color-bg) 50%);
  pointer-events: none;
}

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

.page-privacy .privacy-hero__caption {
  margin-top: var(--space-2);
  font-size: 12px;
  text-align: right;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

/* ===== 内容布局 ===== */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding-top: var(--space-6);
}

/* ===== 章节锚点导航 ===== */
.page-privacy .privacy-toc {
  align-self: start;
  position: relative;
  border: 1px solid var(--border-color);
  background: var(--color-surface-2);
  padding: var(--space-4);
}

.page-privacy .privacy-toc::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-blue) 100%);
}

.page-privacy .privacy-toc__kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-3);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--border-color-strong);
}

.page-privacy .privacy-toc__item {
  margin: 0;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 12px;
  margin-left: -1px;
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 15px;
  transition:
    border-color var(--transition-fast),
    color var(--transition-fast),
    background var(--transition-fast);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-left-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(207, 255, 4, 0.06);
}

.page-privacy .privacy-toc__num {
  min-width: 26px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-accent-blue);
}

.page-privacy .privacy-toc__hint {
  margin: var(--space-4) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ===== 章节卡片 ===== */
.page-privacy .privacy-sections {
  display: grid;
  gap: var(--space-6);
  min-width: 0;
}

.page-privacy .privacy-section {
  scroll-margin-top: calc(var(--header-top-height) + var(--header-main-min-height) + 20px);
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
  background-color: var(--color-surface);
  border: 1px solid var(--border-color);
  padding: var(--space-5) var(--space-4);
}

.page-privacy .privacy-section__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

.page-privacy .privacy-section__index {
  font-family: var(--font-data);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.page-privacy .privacy-section__title {
  font-family: var(--font-headline);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-light);
  margin: 0;
}

.page-privacy .privacy-section__body > p {
  color: var(--color-text);
  line-height: var(--line-height-base);
  margin: 0 0 var(--space-4);
}

/* ===== 信息列表 ===== */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
}

.page-privacy .privacy-list__item {
  display: grid;
  gap: 4px;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-color);
}

.page-privacy .privacy-list__item:last-child {
  border-bottom: none;
}

.page-privacy .privacy-list__term {
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
}

.page-privacy .privacy-list__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
}

/* ===== 强调说明框 ===== */
.page-privacy .privacy-note {
  border-left: 3px solid var(--color-accent-blue);
  background: var(--color-navy);
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-4);
}

.page-privacy .privacy-note__title {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.page-privacy .privacy-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text);
}

.page-privacy .privacy-note--accent {
  border-left-color: var(--color-accent);
}

/* ===== 生效说明 ===== */
.page-privacy .privacy-update {
  border-top: 1px solid var(--border-color-strong);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
}

.page-privacy .privacy-update p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.page-privacy .privacy-update strong {
  color: var(--color-text-light);
}

/* ===== 联系与相关文档 ===== */
.page-privacy .privacy-contact {
  margin-top: var(--space-7);
  background: linear-gradient(135deg, var(--color-surface-2) 0%, var(--color-navy) 100%);
  border-top: 1px solid var(--border-color-strong);
  border-bottom: 1px solid var(--border-color-strong);
  padding: var(--space-5) 0;
}

.page-privacy .privacy-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.page-privacy .privacy-contact__title {
  font-family: var(--font-headline);
  font-size: 20px;
  color: var(--color-text-light);
  margin: 0 0 var(--space-2);
}

.page-privacy .privacy-contact__desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0 0 var(--space-4);
}

.page-privacy .privacy-contact__list,
.page-privacy .privacy-contact__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-contact__list li {
  display: grid;
  gap: 4px;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 15px;
  color: var(--color-text-light);
}

.page-privacy .privacy-contact__list li:last-child,
.page-privacy .privacy-contact__links li:last-child {
  border-bottom: none;
}

.page-privacy .privacy-contact__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-privacy .privacy-contact__links li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-color);
}

.page-privacy .privacy-contact__links a {
  color: var(--color-accent-blue);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.page-privacy .privacy-contact__links a:hover,
.page-privacy .privacy-contact__links a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ===== 回到顶部 ===== */
.page-privacy .privacy-backtop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border: 2px solid var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 800;
  font-size: 13px;
  text-decoration: none;
  clip-path: polygon(
    0 0,
    calc(100% - 10px) 0,
    100% 10px,
    100% 100%,
    10px 100%,
    0 calc(100% - 10px)
  );
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  background: transparent;
  color: var(--color-accent);
}

/* ===== 响应式增强 ===== */
@media (min-width: 640px) {
  .page-privacy .privacy-hero__meta {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 720px) {
  .page-privacy .privacy-list__item {
    grid-template-columns: 120px 1fr;
    gap: var(--space-4);
  }

  .page-privacy .privacy-section {
    padding: var(--space-6) var(--space-5);
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding: var(--space-6) 0;
  }

  .page-privacy .privacy-hero__inner {
    grid-template-columns: 1.35fr 1fr;
    gap: var(--space-6);
    align-items: end;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--space-6);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-top-height) + var(--header-main-min-height) + var(--space-4));
  }

  .page-privacy .privacy-contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .page-privacy .privacy-backtop {
    right: var(--space-4);
    bottom: var(--space-4);
  }
}