/* ==================================================
   Privacy 页面专属样式
   全部选择器限定在 .page-privacy 作用域内
   ================================================== */

.page-privacy {
  --pv-deep: var(--c-deep);
  --pv-deep2: var(--c-deep-2);
  --pv-gold: var(--c-gold);
  --pv-gold-deep: var(--c-gold-deep);
  --pv-paper: var(--c-paper);
  --pv-card: var(--c-card);
  --pv-ink: var(--c-ink);
  --pv-muted: var(--c-muted);
  --pv-line: var(--c-line);
  --pv-alert: var(--c-alert);
}

/* ---------- 首屏：政策文档横幅 ---------- */

.page-privacy .pv-hero {
  background: var(--pv-deep);
  padding: 40px 0 52px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--pv-gold) 0%, var(--pv-gold-deep) 32%, rgba(229, 193, 90, 0) 82%);
}

.page-privacy .pv-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-privacy .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}

.page-privacy .breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.page-privacy .breadcrumb a:hover {
  color: var(--pv-gold);
}

.page-privacy .pv-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--pv-gold);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 16px;
}

.page-privacy .pv-hero-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--pv-gold);
  display: inline-block;
  flex-shrink: 0;
}

.page-privacy .pv-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.12;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.page-privacy .pv-hero-lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  max-width: 56ch;
  margin-bottom: 28px;
}

.page-privacy .pv-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-privacy .pv-hero-meta .tag-gold {
  background: rgba(229, 193, 90, 0.15);
  color: var(--pv-gold);
  border-color: rgba(229, 193, 90, 0.4);
}

.page-privacy .pv-hero-version,
.page-privacy .pv-hero-readtime {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
}

.page-privacy .pv-hero-readtime::before {
  content: "·";
  margin-right: 12px;
  color: rgba(255, 255, 255, 0.35);
}

.page-privacy .pv-hero-visual {
  position: relative;
  z-index: 1;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

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

/* ---------- 目录导航 ---------- */

.page-privacy .pv-toc {
  background: var(--pv-paper);
  padding: 44px 0 48px;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-toc-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--pv-muted);
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.page-privacy .pv-toc-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-privacy .pv-toc-item {
  background: var(--pv-card);
  border: 1px solid var(--pv-line);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--pv-ink);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-privacy .pv-toc-item:hover {
  transform: translateY(-2px);
  border-color: var(--pv-gold);
  box-shadow: var(--shadow-hover);
}

.page-privacy .pv-toc-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--pv-gold-deep);
  border: 1px solid var(--pv-gold);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.page-privacy .pv-toc-name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
}

/* ---------- 政策正文文档区 ---------- */

.page-privacy .pv-doc {
  background: var(--pv-paper);
  padding: 56px 0 72px;
}

.page-privacy .pv-doc-layout {
  display: grid;
  gap: 8px;
}

.page-privacy .pv-doc-side {
  display: none;
}

.page-privacy .pv-doc-main {
  max-width: 880px;
}

.page-privacy .pv-doc-main [id] {
  scroll-margin-top: 24px;
}

/* ---------- 条款卡片 ---------- */

.page-privacy .pv-clause {
  background: var(--pv-card);
  border: 1px solid var(--pv-line);
  border-radius: 10px;
  padding: 28px 22px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-card);
}

.page-privacy .pv-clause-head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-clause-index {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--pv-gold-deep);
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(229, 193, 90, 0.16), rgba(229, 193, 90, 0.04));
  border: 1px solid rgba(229, 193, 90, 0.35);
}

.page-privacy .pv-clause-heading {
  flex: 1;
}

.page-privacy .pv-clause-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--pv-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.page-privacy .pv-clause-head h2 {
  font-family: var(--font-display);
  font-size: 1.625rem;
  line-height: 1.2;
  margin-top: 4px;
  margin-bottom: 0;
}

.page-privacy .pv-clause-body p {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--pv-ink);
  margin-bottom: 16px;
}

.page-privacy .pv-clause-body strong {
  color: var(--pv-deep);
  font-weight: 700;
}

.page-privacy .pv-clause-note {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--pv-line);
  color: var(--pv-muted);
  font-size: 0.9375rem !important;
}

.page-privacy .pv-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 14px;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--pv-ink);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.64em;
  width: 14px;
  height: 2px;
  background: var(--pv-gold);
}

/* ---------- 细节折叠块 ---------- */

.page-privacy .pv-details {
  border: 1px solid var(--pv-line);
  border-left: 3px solid var(--pv-gold);
  border-radius: 6px;
  padding: 14px 18px;
  background: var(--pv-paper);
  margin: 20px 0;
}

.page-privacy .pv-details summary {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.page-privacy .pv-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--pv-gold-deep);
  flex-shrink: 0;
}

.page-privacy .pv-details[open] summary::after {
  content: "–";
}

.page-privacy .pv-details p {
  margin-top: 12px;
  margin-bottom: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--pv-muted);
}

/* ---------- 数据使用目的网格 ---------- */

.page-privacy .pv-use-grid {
  display: grid;
  gap: 16px;
  margin: 24px 0 8px;
}

.page-privacy .pv-use-item {
  background: var(--pv-paper);
  border: 1px solid var(--pv-line);
  border-radius: 8px;
  padding: 22px;
  position: relative;
}

.page-privacy .pv-use-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--pv-gold-deep);
  display: block;
  margin-bottom: 10px;
}

.page-privacy .pv-use-item h3 {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  margin-bottom: 8px;
  color: var(--pv-deep);
}

.page-privacy .pv-use-item p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--pv-muted);
  margin-bottom: 0;
}

/* ---------- Cookie 表格 ---------- */

.page-privacy .pv-cookie-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pv-line);
  border-radius: 8px;
  margin: 24px 0;
}

.page-privacy .pv-cookie-table-wrap .data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--pv-card);
  min-width: 520px;
}

.page-privacy .pv-cookie-table-wrap th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pv-muted);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--pv-line);
  background: var(--pv-paper);
}

.page-privacy .pv-cookie-table-wrap td {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  padding: 14px 16px;
  border-bottom: 1px solid var(--pv-line);
  color: var(--pv-ink);
}

.page-privacy .pv-cookie-table-wrap tr:last-child td {
  border-bottom: none;
}

/* ---------- 用户权利 ---------- */

.page-privacy .pv-rights-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.page-privacy .pv-rights-list li {
  border-left: 2px solid var(--pv-gold);
  padding-left: 16px;
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--pv-ink);
}

.page-privacy .pv-rights-list strong {
  color: var(--pv-deep);
}

.page-privacy .pv-rights-contact {
  background: var(--pv-paper);
  border: 1px solid var(--pv-line);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.page-privacy .pv-rights-contact p {
  margin-bottom: 0;
}

/* ---------- 数据安全网格 ---------- */

.page-privacy .pv-security-grid {
  display: grid;
  gap: 16px;
  margin: 24px 0;
}

.page-privacy .pv-security-item {
  background: var(--pv-deep);
  color: #ffffff;
  border-radius: 10px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.page-privacy .pv-security-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.page-privacy .pv-security-item h3 {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  margin-bottom: 8px;
  color: #ffffff;
}

.page-privacy .pv-security-item p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 0;
}

/* ---------- 文档结尾 ---------- */

.page-privacy .pv-doc-end {
  border-top: 1px solid var(--pv-line);
  margin-top: 12px;
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}

.page-privacy .pv-doc-end p {
  font-size: 0.9375rem;
  color: var(--pv-muted);
  margin-bottom: 0;
}

.page-privacy .pv-doc-end a {
  color: var(--pv-deep);
}

.page-privacy .pv-back-top {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--pv-deep);
  text-decoration: none;
  border: 1px solid var(--pv-deep);
  padding: 8px 16px;
  border-radius: 4px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
  white-space: nowrap;
}

.page-privacy .pv-back-top:hover {
  background: var(--pv-deep);
  color: #ffffff;
}

/* ---------- 联系与支持 ---------- */

.page-privacy .pv-contact-strip {
  background: linear-gradient(135deg, var(--pv-deep), var(--pv-deep2));
  border-top: 3px solid var(--pv-gold);
  color: #ffffff;
  padding: 52px 0 60px;
}

.page-privacy .pv-contact-strip-inner {
  display: grid;
  gap: 24px;
}

.page-privacy .pv-contact-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--pv-gold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  display: block;
  margin-bottom: 12px;
}

.page-privacy .pv-contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 12px;
  color: #ffffff;
}

.page-privacy .pv-contact-info p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

.page-privacy .pv-contact-channels {
  display: grid;
  gap: 14px;
  border-left: 3px solid var(--pv-gold);
  padding-left: 20px;
}

.page-privacy .pv-ch-item {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #ffffff;
  margin-bottom: 0;
}

.page-privacy .pv-ch-item span {
  font-family: var(--font-mono);
  color: var(--pv-gold);
  margin-right: 10px;
  font-size: 0.8125rem;
}

.page-privacy .pv-ch-item a {
  color: #ffffff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* ---------- 浮动返回顶部 ---------- */

.page-privacy .pv-float-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--pv-deep);
  border: 1px solid var(--pv-gold);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
  box-shadow: 0 8px 20px rgba(11, 31, 58, 0.3);
  text-decoration: none;
  opacity: 0.78;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-privacy .pv-float-top:hover {
  opacity: 1;
  transform: translateY(-2px);
}

/* ==================================================
   响应式断点
   ================================================== */

@media (min-width: 640px) {
  .page-privacy .pv-toc-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .pv-use-grid,
  .page-privacy .pv-security-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .pv-contact-strip-inner {
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }

  .page-privacy .pv-hero {
    padding: 56px 0 72px;
  }

  .page-privacy .pv-toc-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-privacy .pv-toc-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 22px 20px;
  }

  .page-privacy .pv-doc-layout {
    grid-template-columns: 72px 1fr;
    gap: 16px;
  }

  .page-privacy .pv-doc-side {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding-top: 10px;
  }

  .page-privacy .pv-doc-side-line {
    width: 2px;
    background: var(--pv-line);
    flex: 1;
    min-height: 300px;
  }

  .page-privacy .pv-doc-side-text {
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.3em;
    color: var(--pv-muted);
  }

  .page-privacy .pv-clause {
    padding: 34px 32px;
  }
}