/* ===== 数据与隐私页 · 专属样式 ===== */
.page-privacy {
  background: var(--c-base);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.85;
  overflow-x: hidden;
}

/* ---- 首屏英雄区 ---- */
.privacy-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  padding: 56px 0 72px;
  isolation: isolate;
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}

.privacy-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -2;
  filter: brightness(0.3) contrast(1.3) saturate(0.6);
}

.privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 72% 18%, rgba(155, 92, 255, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(13, 11, 15, 0.55) 0%, var(--c-base) 92%);
  pointer-events: none;
}

.privacy-hero-inner {
  width: 100%;
}

.privacy-hero .breadcrumb {
  margin-bottom: 30px;
  font-size: 14px;
}

.privacy-hero .breadcrumb-link {
  color: var(--c-text-dim);
  text-decoration: none;
  transition: color var(--ease);
}

.privacy-hero .breadcrumb-link:hover {
  color: var(--c-gold);
}

.privacy-hero .breadcrumb-separator {
  margin: 0 10px;
  color: var(--c-border);
}

.privacy-hero .breadcrumb-current {
  color: var(--c-gold);
  font-weight: 500;
}

.privacy-hero-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--c-rose);
}

.privacy-hero-title {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--c-text);
  text-shadow: 0 0 42px rgba(155, 92, 255, 0.3);
}

.privacy-hero-lead {
  max-width: 660px;
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-text-dim);
}

/* ---- 信任声明条 ---- */
.privacy-trust {
  border-bottom: 1px solid var(--c-border);
  background: linear-gradient(180deg, var(--c-surface-2), var(--c-base));
}

.privacy-trust-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 42px;
  padding-bottom: 42px;
}

.privacy-trust-lock {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  flex: none;
  border-radius: var(--radius);
  border: 1px solid rgba(245, 197, 66, 0.35);
  color: var(--c-gold);
  background: rgba(245, 197, 66, 0.06);
  box-shadow: 0 0 30px rgba(245, 197, 66, 0.08);
}

.privacy-trust-text h2 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  color: var(--c-text);
}

.privacy-trust-text p {
  margin: 0;
  font-size: 15px;
  color: var(--c-text-dim);
}

/* ---- 正文布局 ---- */
.privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 80px;
}

/* ---- 目录 ---- */
.privacy-toc-inner {
  padding: 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: rgba(26, 20, 32, 0.6);
}

.privacy-toc-label {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-rose);
}

.privacy-toc-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.privacy-toc-list li {
  margin: 0;
}

.privacy-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-size: 13px;
  text-decoration: none;
  color: var(--c-text);
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}

.privacy-toc-list a:hover {
  border-color: rgba(155, 92, 255, 0.5);
  background: rgba(155, 92, 255, 0.08);
  color: var(--c-text);
}

.privacy-toc-index {
  font-family: var(--font-heading);
  font-size: 12px;
  color: var(--c-gold);
}

.privacy-toc-contact {
  display: inline-block;
  font-size: 13px;
  color: var(--c-text-dim);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-border);
  transition: color var(--ease), border-bottom-color var(--ease);
}

.privacy-toc-contact:hover {
  color: var(--c-gold);
  border-bottom-color: var(--c-gold);
}

/* ---- 主内容 ---- */
.privacy-main {
  min-width: 0;
}

.privacy-doc-note {
  margin: 0 0 48px;
  padding: 16px 20px;
  border-left: 3px solid var(--c-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(245, 197, 66, 0.05);
  font-size: 14px;
  color: var(--c-text-dim);
}

/* ---- 章节通用 ---- */
.privacy-section {
  scroll-margin-top: 120px;
}

.privacy-section-head {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  margin-bottom: 28px;
}

.privacy-section-num {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 4.4rem);
  line-height: 0.9;
  color: transparent;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 18px rgba(245, 197, 66, 0.18));
}

.privacy-section-overline {
  margin: 2px 0 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--c-rose);
}

.privacy-section-titles h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  letter-spacing: 0.03em;
  color: var(--c-text);
}

.privacy-section-lead {
  margin: 0 0 32px;
  font-size: 16px;
  color: var(--c-text-dim);
}

.privacy-divider {
  height: 1px;
  margin: 56px 0;
  background: linear-gradient(90deg, transparent, var(--c-border) 20%, var(--c-border) 80%, transparent);
}

/* ---- 收集清单 ---- */
.privacy-collect-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.privacy-collect-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--grad-surface);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.privacy-collect-item:hover {
  border-color: rgba(155, 92, 255, 0.45);
  box-shadow: var(--shadow-neon);
}

.privacy-collect-badge {
  flex: none;
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-gold);
  border: 1px solid rgba(245, 197, 66, 0.32);
  background: rgba(245, 197, 66, 0.08);
}

.privacy-collect-text h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.privacy-collect-text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
}

/* ---- 可展开说明 ---- */
.privacy-details {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: rgba(26, 20, 32, 0.5);
}

.privacy-details summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-gold);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color var(--ease);
}

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

.privacy-details summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(245, 197, 66, 0.4);
  border-radius: 50%;
  font-size: 13px;
  line-height: 1;
  flex: none;
  transition: transform var(--ease), background var(--ease);
}

.privacy-details[open] summary::before {
  transform: rotate(45deg);
  background: rgba(245, 197, 66, 0.14);
}

.privacy-details summary:hover {
  color: var(--c-text);
}

.privacy-details-body {
  padding: 0 20px 18px 50px;
  font-size: 14px;
  color: var(--c-text-dim);
}

.privacy-details-body p {
  margin: 0 0 10px;
}

.privacy-details-body p:last-child {
  margin-bottom: 0;
}

/* ---- 用途卡片 ---- */
.privacy-usage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.privacy-usage-card {
  position: relative;
  padding: 24px 24px 24px 72px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--grad-surface);
  overflow: hidden;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.privacy-usage-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 110px;
  height: 110px;
  background: linear-gradient(135deg, transparent 55%, rgba(155, 92, 255, 0.08));
  pointer-events: none;
}

.privacy-usage-card:hover {
  border-color: rgba(155, 92, 255, 0.45);
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}

.privacy-usage-idx {
  position: absolute;
  top: 20px;
  left: 22px;
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1;
  color: transparent;
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
}

.privacy-usage-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.privacy-usage-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
}

/* ---- 时间轴 ---- */
.privacy-timeline {
  position: relative;
  margin: 0 0 32px;
  padding-left: 28px;
}

.privacy-timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 7px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-gold), var(--c-rose), var(--c-neon));
  opacity: 0.45;
}

.privacy-timeline-item {
  position: relative;
  padding-bottom: 28px;
}

.privacy-timeline-item:last-child {
  padding-bottom: 0;
}

.privacy-timeline-dot {
  position: absolute;
  top: 6px;
  left: -28px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid var(--c-base);
  background: var(--c-gold);
  box-shadow: 0 0 12px rgba(245, 197, 66, 0.5);
}

.privacy-timeline-box {
  padding: 18px 20px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: rgba(26, 20, 32, 0.5);
}

.privacy-timeline-phase {
  display: inline-block;
  margin-bottom: 6px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--c-rose);
  border: 1px solid rgba(255, 43, 125, 0.3);
  background: rgba(255, 43, 125, 0.06);
}

.privacy-timeline-box h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.privacy-timeline-box p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
}

/* ---- 用户权利面板 ---- */
.privacy-rights-panel {
  margin-bottom: 24px;
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(245, 197, 66, 0.25);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(255, 43, 125, 0.08), transparent 52%),
    var(--grad-surface);
}

.privacy-rights-panel h3 {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.privacy-rights-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.privacy-rights-steps li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.privacy-rights-step-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-base);
  background: var(--grad-gold);
  box-shadow: 0 0 12px rgba(245, 197, 66, 0.25);
}

.privacy-rights-steps li p {
  margin: 2px 0 0;
  font-size: 14px;
  color: var(--c-text-dim);
}

.privacy-delete-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--c-base);
  background: var(--grad-gold);
  box-shadow: 0 4px 18px rgba(245, 197, 66, 0.22);
  transition: transform var(--ease), box-shadow var(--ease), filter var(--ease);
}

.privacy-delete-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(245, 197, 66, 0.36);
  filter: brightness(1.05);
}

.privacy-delete-btn:active {
  transform: scale(0.97);
}

.privacy-delete-btn-icon {
  display: inline-flex;
}

.privacy-rights-note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--c-text-dim);
}

.privacy-rights-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.privacy-rights-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--c-text-dim);
}

.privacy-rights-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-gold);
}

.privacy-rights-list strong {
  color: var(--c-text);
  font-weight: 600;
  margin-right: 4px;
}

/* ---- 相关页面 ---- */
.privacy-related {
  margin-top: 72px;
  padding-top: 48px;
  border-top: 1px solid var(--c-border);
}

.privacy-related h2 {
  margin: 0 0 24px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.03em;
  color: var(--c-text);
}

.privacy-related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.privacy-related-card {
  display: block;
  padding: 20px 24px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  text-decoration: none;
  background: var(--grad-surface);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.privacy-related-card:hover {
  border-color: rgba(155, 92, 255, 0.45);
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}

.privacy-related-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--c-gold);
}

.privacy-related-card p {
  margin: 0;
  font-size: 13px;
  color: var(--c-text-dim);
}

/* ---- 返回顶部 ---- */
.privacy-backtop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
  padding: 10px 20px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--c-text-dim);
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease), transform var(--ease);
}

.privacy-backtop:hover {
  border-color: var(--c-neon);
  color: var(--c-text);
  transform: translateY(-2px);
}

/* ---- 桌面端 ≥ 900px ---- */
@media (min-width: 900px) {
  .privacy-hero {
    min-height: 480px;
    padding: 64px 0 88px;
  }

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

  .privacy-trust-inner {
    flex-direction: row;
    align-items: center;
    gap: 32px;
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .privacy-trust-lock {
    width: 88px;
    height: 88px;
  }

  .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 250px;
    grid-template-areas: "main toc";
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 100px;
  }

  .privacy-toc {
    grid-area: toc;
    align-self: start;
  }

  .privacy-toc-inner {
    position: sticky;
    top: calc(var(--header-h) + var(--nav-h) + 24px);
    padding: 24px;
  }

  .privacy-toc-list {
    display: block;
    margin-bottom: 20px;
  }

  .privacy-toc-list li + li {
    margin-top: 4px;
  }

  .privacy-toc-list a {
    display: flex;
    width: 100%;
    padding: 10px 12px;
    border: none;
    border-radius: var(--radius-sm);
    transition: background var(--ease), transform var(--ease), color var(--ease);
  }

  .privacy-toc-list a:hover {
    background: rgba(155, 92, 255, 0.12);
    border-color: transparent;
    transform: translateX(4px);
  }

  .privacy-toc-contact {
    display: block;
    padding-top: 16px;
    border-top: 1px solid var(--c-border);
    border-bottom: none;
  }

  .privacy-main {
    grid-area: main;
  }

  .privacy-usage-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .privacy-related-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}