.page-privacy {
  position: relative;
  padding-bottom: var(--space-6);
  background:
    radial-gradient(1100px 380px at 100% 0%, rgba(0, 229, 255, 0.06), transparent 60%),
    var(--color-bg);
}

/* ---------- 页首横幅 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: var(--space-4) 0 var(--space-5);
  overflow: hidden;
}
.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: var(--space-3);
}
.page-privacy .privacy-hero__text {
  max-width: 640px;
}
.page-privacy .privacy-hero__text .tag {
  display: inline-flex;
  margin-bottom: var(--space-2);
  letter-spacing: 0.18em;
}
.page-privacy .privacy-hero__text .heading-xl {
  margin: 0 0 var(--space-3);
  font-size: clamp(2.2rem, 7vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.page-privacy .privacy-hero__text .lede {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 54ch;
}
.page-privacy .privacy-hero__fig {
  position: relative;
  margin: 0;
  padding: var(--space-2);
  border: 1px solid var(--color-line);
  background: var(--color-bg-panel);
  box-shadow: 10px 10px 0 rgba(0, 229, 255, 0.08);
}
.page-privacy .privacy-hero__fig::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 28px 28px 0;
  border-color: transparent var(--color-accent) transparent transparent;
}
.page-privacy .privacy-hero__fig::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 40%;
  height: 8px;
  background: var(--color-accent);
}
.page-privacy .privacy-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  max-width: 100%;
}
.page-privacy .privacy-hero__watermark {
  position: absolute;
  top: 20px;
  right: -2%;
  z-index: 0;
  font-family: var(--font-headline);
  font-size: clamp(4rem, 16vw, 12rem);
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.03);
  letter-spacing: -0.04em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}
.page-privacy .privacy-hero__stripe {
  position: absolute;
  top: 0;
  right: -12%;
  width: 44%;
  height: 100%;
  z-index: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0 14px,
    rgba(0, 229, 255, 0.04) 14px 28px
  );
  pointer-events: none;
}

/* ---------- 目录导航 ---------- */
.page-privacy .privacy-toc {
  margin-bottom: var(--space-4);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.page-privacy .privacy-toc__item a {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  color: var(--color-text-dim);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease, background 0.2s ease;
}
.page-privacy .privacy-toc__item a:hover,
.page-privacy .privacy-toc__item a:focus-visible {
  color: var(--color-accent);
  outline: none;
}
.page-privacy .privacy-toc__no {
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 700;
}

/* ---------- 章节通用 ---------- */
.page-privacy .privacy-section {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}
.page-privacy .privacy-section__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.page-privacy .privacy-section__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.8rem;
  background: rgba(200, 255, 0, 0.08);
}
.page-privacy .privacy-section__heading {
  flex: 1;
}
.page-privacy .privacy-section__heading .heading-lg {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  line-height: 1.15;
}
.page-privacy .privacy-section__line {
  display: block;
  height: 4px;
  margin-top: var(--space-2);
  background: linear-gradient(
    90deg,
    var(--color-accent) 0%,
    var(--color-accent) 28%,
    var(--color-line) 28%,
    var(--color-line) 100%
  );
}
.page-privacy .privacy-section__intro {
  margin: 0 0 var(--space-4);
  color: var(--color-text-dim);
  max-width: 60ch;
  line-height: 1.8;
}

/* ---------- 信息收集表格 ---------- */
.page-privacy .privacy-table {
  border-top: 1px solid var(--color-line);
}
.page-privacy .privacy-table__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-line);
}
.page-privacy .privacy-table__label {
  display: block;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.page-privacy .privacy-table__desc {
  display: block;
  color: var(--color-text-dim);
  line-height: 1.7;
}

/* ---------- 使用方式卡片 ---------- */
.page-privacy .privacy-usage-grid {
  gap: var(--space-3);
}
.page-privacy .privacy-usage {
  margin: 0;
  border-left-width: 3px;
  border-left-color: var(--color-accent);
}
.page-privacy .privacy-usage__title {
  margin: 0 0 var(--space-2);
  font-size: 1.1rem;
  color: var(--color-text);
}
.page-privacy .privacy-usage p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- 数据流图 ---------- */
.page-privacy .privacy-visual {
  margin-top: var(--space-5);
  margin-bottom: var(--space-5);
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}
.page-privacy .privacy-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
  max-width: 100%;
  border: 1px solid var(--color-line);
  background: var(--color-bg-panel);
}

/* ---------- 安全折叠区 ---------- */
.page-privacy .privacy-security {
  margin: 0 0 var(--space-4);
}
.page-privacy .privacy-details {
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-line);
  background: var(--color-bg-panel);
  margin-bottom: var(--space-2);
}
.page-privacy .privacy-details[open] {
  border-left-color: var(--color-accent);
}
.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  transition: background 0.2s ease;
}
.page-privacy .privacy-details summary::-webkit-details-marker {
  display: none;
}
.page-privacy .privacy-details summary:hover,
.page-privacy .privacy-details summary:focus-visible {
  background: rgba(200, 255, 0, 0.08);
  outline: none;
}
.page-privacy .privacy-details[open] summary {
  color: var(--color-accent);
}
.page-privacy .privacy-details__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  font-size: 0.9rem;
  line-height: 1;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  transition: transform 0.2s ease;
}
.page-privacy .privacy-details[open] .privacy-details__icon {
  transform: rotate(45deg);
}
.page-privacy .privacy-details p {
  margin: 0;
  padding: 0 var(--space-3) var(--space-3) 48px;
  color: var(--color-text-dim);
  line-height: 1.75;
}
.page-privacy .privacy-highlight {
  margin: var(--space-4) 0 0;
  padding: var(--space-3);
  background: rgba(200, 255, 0, 0.08);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-weight: 700;
  line-height: 1.6;
}
.page-privacy .privacy-security__note {
  margin: var(--space-3) 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---------- 用户权利列表 ---------- */
.page-privacy .privacy-rights {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .privacy-rights__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: 1px dashed var(--color-line);
}
.page-privacy .privacy-rights__tag {
  flex: 0 0 auto;
  min-width: 56px;
  text-align: center;
  padding: 4px 12px;
  border: 1px solid var(--color-accent);
  background: rgba(200, 255, 0, 0.08);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
}
.page-privacy .privacy-rights__desc {
  flex: 1;
  color: var(--color-text-dim);
  line-height: 1.7;
}
.page-privacy .privacy-truth {
  margin: var(--space-5) 0 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-accent-alt);
  background: var(--color-bg-panel);
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ---------- 底部联系区 ---------- */
.page-privacy .privacy-contact {
  padding-top: var(--space-5);
}
.page-privacy .privacy-contact__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  background: var(--color-bg-panel);
}
.page-privacy .privacy-contact__inner p {
  margin: 0;
  color: var(--color-text-dim);
  line-height: 1.75;
}
.page-privacy .privacy-contact__inner a:not(.btn) {
  color: var(--color-accent-alt);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-privacy .privacy-contact__inner a:not(.btn):hover {
  color: var(--color-accent);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 768px) {
  .page-privacy .privacy-hero {
    padding: var(--space-6) 0 var(--space-6);
  }
  .page-privacy .privacy-hero__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
  }
  .page-privacy .privacy-hero__text {
    flex: 0 0 54%;
  }
  .page-privacy .privacy-hero__fig {
    flex: 0 0 40%;
    margin-right: var(--space-5);
  }
  .page-privacy .privacy-toc__list {
    flex-direction: row;
    justify-content: space-between;
    gap: var(--space-3);
  }
  .page-privacy .privacy-table__row {
    flex-direction: row;
    gap: var(--space-4);
  }
  .page-privacy .privacy-table__label {
    flex: 0 0 180px;
  }
  .page-privacy .privacy-table__desc {
    flex: 1;
  }
  .page-privacy .privacy-section {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }
  .page-privacy .privacy-visual {
    margin-top: var(--space-6);
    margin-bottom: var(--space-6);
  }
  .page-privacy .privacy-contact__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .page-privacy .privacy-contact__inner p {
    max-width: 70ch;
  }
}