.page-privacy {
  --privacy-toc-w: 250px;
  --privacy-doc-w: 780px;
  background:
    radial-gradient(1200px 400px at 85% -100px, rgba(0, 255, 163, 0.07), transparent 60%),
    var(--primary-bg);
  color: var(--text-white);
}

.page-privacy .page-container {
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: 20px;
}

.page-privacy .breadcrumb {
  margin-bottom: 24px;
}

.page-privacy a {
  color: var(--accent-green);
}

/* ===== Hero ===== */
.page-privacy .privacy-hero {
  border-bottom: 3px solid var(--line);
  position: relative;
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--accent-orange), var(--accent-green));
  z-index: 2;
}

.page-privacy .privacy-hero__inner {
  padding-top: 32px;
  padding-bottom: 40px;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-privacy .privacy-hero__content h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 16px 0 16px;
  max-width: 14em;
}

.page-privacy .privacy-hero__lead {
  color: var(--text-silver);
  font-size: 16px;
  line-height: 1.75;
  max-width: 56ch;
  margin: 0;
}

.page-privacy .privacy-hero__lead a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-privacy .privacy-hero__side dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
}

.page-privacy .privacy-hero__stat {
  background: var(--secondary-bg);
  border: 1px solid var(--line);
  padding: 14px 16px;
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-hero__stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.page-privacy .privacy-hero__stat dd {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-white);
  margin: 6px 0 0;
  line-height: 1.4;
}

.page-privacy .privacy-hero__figure {
  margin: 36px 0 0;
  border: 2px solid var(--line);
  background: var(--secondary-bg);
  position: relative;
}

.page-privacy .privacy-hero__figure::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 34px;
  height: 34px;
  background: var(--accent-orange);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.page-privacy .privacy-hero__img {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== 文档式布局 ===== */
.page-privacy .privacy-shell {
  padding-top: 40px;
  padding-bottom: 72px;
}

.page-privacy .privacy-toc {
  border: 2px solid var(--line);
  background: var(--secondary-bg);
  box-shadow: var(--shadow-hard);
  padding: 22px;
  margin-bottom: 48px;
}

.page-privacy .privacy-toc__title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-silver);
  letter-spacing: 0.1em;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-toc__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-left: 3px solid transparent;
  color: var(--text-silver);
  text-decoration: none;
  transition:
    background-color 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out);
}

.page-privacy .privacy-toc__link:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-white);
}

.page-privacy .privacy-toc__link.is-spied {
  border-left-color: var(--accent-green);
  background: rgba(0, 255, 163, 0.07);
  color: var(--text-white);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  transition: color 0.25s var(--ease-out);
}

.page-privacy .privacy-toc__link.is-spied .privacy-toc__num {
  color: var(--accent-green);
}

.page-privacy .privacy-toc__text {
  font-size: 15px;
  font-weight: 500;
}

.page-privacy .privacy-toc__note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-toc__note-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin: 0 0 6px;
  letter-spacing: 0.08em;
}

.page-privacy .privacy-toc__note p:last-child {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-silver);
  margin: 0;
}

.page-privacy .privacy-docs {
  min-width: 0;
}

/* ===== 章节 ===== */
.page-privacy .privacy-section {
  padding-top: 40px;
  margin-bottom: 56px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 14px;
}

.page-privacy .privacy-section__index {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-orange);
  opacity: 0.9;
}

.page-privacy .privacy-section__head h2 {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 900;
  line-height: 1.2;
  margin: 0;
}

.page-privacy .privacy-section__lead {
  color: var(--text-silver);
  font-size: 15px;
  line-height: 1.75;
  border-left: 3px solid var(--line);
  padding-left: 16px;
  margin: 0 0 24px;
  max-width: 62ch;
}

/* ===== 信息收集条目 ===== */
.page-privacy .privacy-item-list {
  border-top: 1px dashed var(--line);
}

.page-privacy .privacy-item {
  display: flex;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .privacy-item__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-orange);
  flex-shrink: 0;
  line-height: 1.2;
  opacity: 0.85;
}

.page-privacy .privacy-item__body h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-privacy .privacy-item__body p {
  color: var(--text-silver);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
  max-width: 62ch;
}

/* ===== details 展开 ===== */
.page-privacy .privacy-detail {
  margin-top: 12px;
}

.page-privacy .privacy-detail summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-green);
  text-decoration: none;
  transition: opacity 0.2s var(--ease-out);
}

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

.page-privacy .privacy-detail summary::before {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-privacy .privacy-detail[open] summary::before {
  content: "－";
}

.page-privacy .privacy-detail summary:hover {
  opacity: 0.75;
}

.page-privacy .privacy-detail p {
  margin: 10px 0 0;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-left: 2px solid var(--accent-green);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-silver);
  max-width: 60ch;
}

/* ===== 使用目的时间线 ===== */
.page-privacy .privacy-goal-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-goal {
  position: relative;
  padding: 22px 0 22px 44px;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .privacy-goal::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
}

.page-privacy .privacy-goal:last-child::before {
  bottom: 22px;
}

.page-privacy .privacy-goal__num {
  position: absolute;
  left: 0;
  top: 22px;
  width: 26px;
  height: 26px;
  border: 2px solid var(--accent-green);
  background: var(--card-bg);
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.page-privacy .privacy-goal h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-privacy .privacy-goal p {
  color: var(--text-silver);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
  max-width: 58ch;
}

/* ===== SVG 数据流 ===== */
.page-privacy .privacy-flow-wrap {
  margin: 32px 0 0;
}

.page-privacy .privacy-flow {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  background: var(--secondary-bg);
}

.page-privacy .privacy-flow text {
  font-family: var(--font-body);
}

.page-privacy .privacy-flow-wrap figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

/* ===== 第三方共享 ===== */
.page-privacy .privacy-share-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-share-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-share-list li:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-share-list__label {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 6px;
}

.page-privacy .privacy-share-list p {
  color: var(--text-silver);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
  max-width: 62ch;
}

.page-privacy .privacy-callout {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  border: 2px solid var(--accent-green);
  padding: 16px 20px;
  background: rgba(0, 255, 163, 0.06);
}

.page-privacy .privacy-callout__mark {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 900;
  color: var(--accent-green);
  line-height: 1;
}

.page-privacy .privacy-callout p {
  margin: 0;
  color: var(--text-silver);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 用户权利 ===== */
.page-privacy .privacy-rights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-privacy .privacy-right {
  background: var(--card-bg);
  border: 1px solid var(--line);
  padding: 18px;
  transition:
    transform 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out);
}

.page-privacy .privacy-right:hover {
  transform: translateY(-2px);
  border-color: var(--accent-green);
}

.page-privacy .privacy-right__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.page-privacy .privacy-right h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 10px 0 6px;
}

.page-privacy .privacy-right p {
  color: var(--text-silver);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}

.page-privacy .privacy-section__note {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--secondary-bg);
  border-left: 3px solid var(--accent-green);
  color: var(--text-silver);
  font-size: 14px;
  line-height: 1.75;
}

.page-privacy .privacy-section__note a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 安全措施 ===== */
.page-privacy .privacy-security {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 24px;
}

.page-privacy .privacy-security__badge {
  width: 120px;
  height: 140px;
  flex-shrink: 0;
  background: var(--secondary-bg);
  border: 2px solid var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(50% 0, 100% 20%, 95% 70%, 50% 100%, 5% 70%, 0 20%);
  margin-inline: auto;
}

.page-privacy .privacy-security__badge span {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 900;
  color: var(--accent-green);
}

.page-privacy .privacy-security__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.page-privacy .privacy-security__list li {
  padding: 14px 16px;
  background: var(--card-bg);
  border-left: 3px solid var(--accent-green);
  color: var(--text-silver);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .privacy-security__note {
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ===== 联系信息 ===== */
.page-privacy .privacy-contact {
  margin-top: 24px;
}

.page-privacy .privacy-contact__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .privacy-contact__row dt {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  margin: 0;
}

.page-privacy .privacy-contact__row dd {
  font-family: var(--font-mono);
  color: var(--text-white);
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
  word-break: break-word;
}

/* ===== 窄屏 → 桌面 ===== */
@media (min-width: 640px) {
  .page-privacy .privacy-rights {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .privacy-contact__row {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
  }

  .page-privacy .privacy-security {
    flex-direction: row;
  }

  .page-privacy .privacy-security__badge {
    margin-inline: 0;
  }
}

@media (min-width: 768px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: 1.6fr 1fr;
    gap: 48px;
    align-items: end;
  }

  .page-privacy .privacy-hero__side dl {
    grid-template-columns: 1fr;
  }

  .page-privacy .privacy-hero__img {
    height: 340px;
    object-fit: cover;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-shell {
    display: grid;
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    margin-bottom: 0;
  }

  .page-privacy .privacy-docs {
    max-width: var(--privacy-doc-w);
  }

  .page-privacy .privacy-section__head h2 {
    font-size: 32px;
  }
}