/* ===== 页面作用域变量 ===== */
.page-privacy {
  --pv-soft: #EDF3F8;
  --pv-grid: rgba(255, 255, 255, 0.06);
}

/* ===== 首屏框景标题区 ===== */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 72px;
  background:
    linear-gradient(var(--pv-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pv-grid) 1px, transparent 1px),
    var(--clr-primary);
  background-size: 28px 28px;
  color: var(--clr-text-light);
}

.page-privacy .privacy-hero .prayer-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  border-radius: 0;
  background: linear-gradient(90deg,
    var(--clr-red) 0%,
    var(--clr-yellow) 20%,
    var(--clr-green) 40%,
    var(--clr-secondary) 60%,
    var(--clr-accent) 80%,
    var(--clr-red) 100%);
  background-size: 200% 100%;
  animation: privacy-strip-wave 4s ease-in-out infinite alternate;
}

@keyframes privacy-strip-wave {
  0% { background-position: left center; }
  100% { background-position: right center; }
}

.page-privacy .privacy-hero-frame {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 32px 22px 36px;
}

.page-privacy .privacy-hero-frame::before,
.page-privacy .privacy-hero-frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border-style: solid;
  border-color: var(--clr-accent);
}

.page-privacy .privacy-hero-frame::before {
  top: -1px;
  left: -1px;
  border-width: 4px 0 0 4px;
}

.page-privacy .privacy-hero-frame::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 4px 4px 0;
}

.page-privacy .privacy-hero .breadcrumb,
.page-privacy .privacy-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.78);
}

.page-privacy .privacy-hero .breadcrumb a:hover,
.page-privacy .privacy-hero .breadcrumb a:focus {
  color: var(--clr-accent);
}

.page-privacy .privacy-hero .breadcrumb span {
  color: var(--clr-yellow);
}

.page-privacy .privacy-hero .breadcrumb {
  margin: 0 0 20px;
}

.page-privacy .privacy-kicker {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-yellow);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-privacy .privacy-lead {
  margin: 0 0 20px;
  max-width: 660px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.9);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .privacy-hero .tag {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* ===== 目录与正文布局 ===== */
.page-privacy .privacy-layout {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 40px 0 88px;
}

/* ===== 章节目录 ===== */
.page-privacy .privacy-toc {
  align-self: flex-start;
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
}

.page-privacy .privacy-toc-title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-secondary);
}

.page-privacy .privacy-toc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-privacy .privacy-toc-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--clr-primary);
  background: var(--clr-bg);
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.page-privacy .privacy-toc-link:hover,
.page-privacy .privacy-toc-link:focus {
  background: var(--clr-primary);
  color: #ffffff;
  border-color: var(--clr-primary);
}

.page-privacy .privacy-toc-note {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--clr-border);
  font-size: 13px;
  line-height: 1.6;
  color: var(--clr-text);
}

.page-privacy .privacy-toc-note a {
  color: var(--clr-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 正文容器 ===== */
.page-privacy .privacy-content {
  position: relative;
  min-width: 0;
  background: #ffffff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 28px 18px 40px;
  box-shadow: 0 6px 28px rgba(11, 60, 93, 0.06);
}

.page-privacy .privacy-content::before {
  content: "";
  display: block;
  height: 4px;
  margin: -28px -18px 28px;
  background: linear-gradient(90deg,
    var(--clr-red) 0%,
    var(--clr-yellow) 25%,
    var(--clr-green) 50%,
    var(--clr-primary) 75%,
    var(--clr-accent) 100%);
  border-radius: 0;
}

/* ===== 通用章节 ===== */
.page-privacy .privacy-section {
  margin-bottom: 52px;
  scroll-margin-top: 24px;
  border-left: 3px solid transparent;
  transition: border-color 0.3s ease;
}

.page-privacy .privacy-section:target {
  animation: privacy-section-flash 1.8s ease-out;
  border-left-color: var(--clr-accent);
}

@keyframes privacy-section-flash {
  0% { box-shadow: inset 0 0 0 2px var(--clr-accent); }
  100% { box-shadow: inset 0 0 0 0 transparent; }
}

.page-privacy .privacy-section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .privacy-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 44px;
  height: 44px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--clr-text-light);
  background: var(--clr-primary);
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-section h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--clr-primary);
}

.page-privacy .privacy-section h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--clr-primary);
}

.page-privacy .privacy-content p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--clr-text);
}

.page-privacy .privacy-content a {
  color: var(--clr-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-content a:hover,
.page-privacy .privacy-content a:focus {
  color: var(--clr-accent);
}

/* ===== 列表装饰 ===== */
.page-privacy .privacy-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 13px 0 13px 26px;
  border-bottom: 1px solid var(--clr-border);
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-text);
}

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

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 14px;
  height: 2px;
  background: var(--clr-accent);
}

.page-privacy .privacy-list li strong {
  font-weight: 700;
  color: var(--clr-primary);
}

/* ===== 提示框 ===== */
.page-privacy .privacy-note {
  margin: 0 0 20px;
  padding: 14px 18px;
  background: var(--pv-soft);
  border-left: 3px solid var(--clr-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--clr-text);
}

/* ===== 数据流向图 ===== */
.page-privacy .privacy-flow {
  margin: 24px 0;
  padding: 20px 16px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
}

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

/* ===== 用户权利卡片 ===== */
.page-privacy .privacy-rights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0 0 24px;
}

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

.page-privacy .privacy-right-card:hover {
  transform: translateY(-2px);
  border-color: var(--clr-secondary);
  box-shadow: 0 8px 20px rgba(11, 60, 93, 0.08);
}

.page-privacy .privacy-right-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  background: var(--clr-primary);
  color: #ffffff;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 900;
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-right-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--clr-text);
}

/* ===== 数据安全 ===== */
.page-privacy .privacy-security-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 0 0 24px;
}

.page-privacy .privacy-security-visual {
  margin: 0;
}

.page-privacy .privacy-security-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-security-visual figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--clr-text);
  text-align: center;
}

/* ===== 安全信任声明 ===== */
.page-privacy .privacy-trust {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
  padding: 20px 22px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-dark));
  border-radius: var(--radius-sm);
  color: #ffffff;
}

.page-privacy .privacy-trust .trust-icon {
  flex-shrink: 0;
  font-size: 26px;
  line-height: 1;
  color: var(--clr-accent);
}

.page-privacy .privacy-trust p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.92);
}

/* ===== 可折叠条款 ===== */
.page-privacy .privacy-details {
  margin: 20px 0;
  padding: 16px 20px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-details summary {
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--clr-primary);
}

.page-privacy .privacy-details summary::-webkit-details-marker {
  color: var(--clr-accent);
}

.page-privacy .privacy-details[open] summary {
  margin-bottom: 12px;
}

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

/* ===== 联系方式卡片 ===== */
.page-privacy .privacy-contact-card {
  margin: 24px 0;
  padding: 24px 20px;
  background: var(--pv-soft);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-contact-card .contact-label {
  margin: 12px 0 2px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-secondary);
}

.page-privacy .privacy-contact-card .contact-label:first-child {
  margin-top: 0;
}

.page-privacy .privacy-contact-card .contact-address {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 600;
  color: var(--clr-text);
}

.page-privacy .privacy-contact-card .contact-address:last-of-type {
  margin-bottom: 18px;
}

.page-privacy .privacy-contact-tip {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--clr-border);
  font-size: 13px;
  line-height: 1.6;
  color: var(--clr-text);
}

/* ===== 底部按钮区 ===== */
.page-privacy .privacy-back-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-privacy .privacy-back-links .btn {
  text-decoration: none;
}

/* ===== 平板与桌面 ===== */
@media (min-width: 640px) {
  .page-privacy .privacy-hero {
    padding: 64px 0 88px;
  }

  .page-privacy .privacy-hero-frame {
    padding: 44px 36px 48px;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 34px;
  }

  .page-privacy .privacy-lead {
    font-size: 17px;
  }

  .page-privacy .privacy-content {
    padding: 36px 28px 48px;
  }

  .page-privacy .privacy-content::before {
    margin: -36px -28px 36px;
  }

  .page-privacy .privacy-section h2 {
    font-size: 24px;
  }

  .page-privacy .privacy-rights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-privacy .privacy-contact-card {
    padding: 28px 32px;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero {
    padding: 72px 0 96px;
  }

  .page-privacy .privacy-hero-frame {
    padding: 52px 44px 56px;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 40px;
  }

  .page-privacy .privacy-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 36px;
    padding: 56px 0 112px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
    width: 280px;
    flex-shrink: 0;
    padding: 24px 18px;
  }

  .page-privacy .privacy-toc-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .page-privacy .privacy-toc-link {
    display: block;
    text-align: left;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
  }

  .page-privacy .privacy-content {
    flex: 1;
    max-width: 860px;
    padding: 44px 40px 56px;
  }

  .page-privacy .privacy-content::before {
    margin: -44px -40px 40px;
  }

  .page-privacy .privacy-section {
    margin-bottom: 64px;
    scroll-margin-top: 96px;
  }

  .page-privacy .privacy-section-head {
    margin-bottom: 22px;
  }

  .page-privacy .privacy-section-num {
    min-width: 48px;
    height: 48px;
    font-size: 15px;
  }

  .page-privacy .privacy-security-wrap {
    gap: 20px;
  }
}