/* ===== 隐私政策专属样式 ===== */
.page-privacy {
  --privacy-band-height: 4px;
  --privacy-divider-color: var(--color-metal-silver, #C0C6D9);
  --privacy-highlight-bg: rgba(57, 255, 20, 0.15);
  --privacy-clause-bg: rgba(26, 31, 46, 0.6);
  --privacy-max-text: 780px;
  --privacy-hero-gap: var(--spacing-xl, 4rem);
  --privacy-section-gap: var(--spacing-xl, 4rem);
  --privacy-clause-radius: var(--border-radius, 6px);

  display: flex;
  flex-direction: column;
  gap: var(--privacy-section-gap);
  max-width: var(--site-max-width, 1200px);
  margin: 0 auto;
  padding: calc(var(--header-height, 72px) + var(--spacing-lg, 2rem)) var(--spacing-md, 1rem) var(--spacing-xl, 4rem);
  color: var(--color-metal-silver, #C0C6D9);
  font: var(--font-body, 400 1em/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif);
}

/* ===== 面包屑 ===== */
.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm, 0.5rem);
  font-size: 0.85em;
  color: var(--color-metal-silver, #C0C6D9);
  opacity: 0.8;
  margin-bottom: var(--spacing-sm, 0.5rem);
  flex-wrap: wrap;
}
.page-privacy .breadcrumb a {
  color: var(--color-electric-blue, #00D4FF);
  text-decoration: none;
  transition: opacity 0.2s;
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  opacity: 0.7;
  outline: 1px solid var(--color-electric-blue, #00D4FF);
  outline-offset: 2px;
}
.page-privacy .breadcrumb-sep {
  color: var(--color-neon-purple, #9B30FF);
  font-weight: 700;
}

/* ===== 英雄区 ===== */
.page-privacy .privacy-hero {
  position: relative;
  padding: var(--spacing-lg, 2rem) 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.page-privacy .privacy-hero[data-visible] {
  opacity: 1;
  transform: translateY(0);
}
.page-privacy .privacy-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg, 2rem);
  align-items: center;
}
.page-privacy .privacy-hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md, 1rem);
}
.page-privacy .privacy-hero-text h1 {
  font: var(--font-heading, 700 1.4em/1.1 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif);
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  color: var(--color-white, #FFFFFF);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.05;
  text-transform: uppercase;
}
.page-privacy .privacy-hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--color-metal-silver, #C0C6D9);
  max-width: 65ch;
  margin: 0;
}
.page-privacy .privacy-hero-visual {
  position: relative;
  border-radius: var(--privacy-clause-radius);
  overflow: hidden;
  border: 1px solid rgba(192, 198, 217, 0.2);
  background: var(--color-deep-gray, #1A1F2E);
}
.page-privacy .privacy-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 800 / 500;
}
.page-privacy .privacy-hero-band {
  height: var(--privacy-band-height);
  background: linear-gradient(90deg, var(--color-electric-blue, #00D4FF), var(--color-neon-purple, #9B30FF), var(--color-fluo-green, #39FF14));
  margin-top: var(--spacing-md, 1rem);
  border-radius: 2px;
}

/* ===== 声明横幅 ===== */
.page-privacy .privacy-statement-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md, 1rem);
  padding: var(--spacing-md, 1rem) var(--spacing-lg, 2rem);
  background: var(--color-deep-gray, #1A1F2E);
  border-left: 4px solid var(--color-fluo-green, #39FF14);
  border-radius: var(--privacy-clause-radius);
  font-size: 0.95em;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease-out 0.2s, transform 0.5s ease-out 0.2s;
}
.page-privacy .privacy-statement-banner[data-visible] {
  opacity: 1;
  transform: translateY(0);
}
.page-privacy .privacy-statement-icon {
  font-size: 1.6em;
  flex-shrink: 0;
  line-height: 1;
  color: var(--color-fluo-green, #39FF14);
}
.page-privacy .privacy-statement-banner p {
  margin: 0;
  color: var(--color-metal-silver, #C0C6D9);
}
.page-privacy .privacy-statement-banner strong {
  color: var(--color-white, #FFFFFF);
}

/* ===== 章节通用 ===== */
.page-privacy .privacy-section {
  position: relative;
  padding: var(--spacing-lg, 2rem) 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.page-privacy .privacy-section[data-visible] {
  opacity: 1;
  transform: translateY(0);
}
.page-privacy .privacy-section-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 0.25rem);
  margin-bottom: var(--spacing-md, 1rem);
}
.page-privacy .section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm, 0.5rem);
  font-size: 0.75em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-neon-purple, #9B30FF);
}
.page-privacy .section-label-num {
  font: var(--font-data, 500 1.1em/1.2 "SF Mono", "Cascadia Code", "JetBrains Mono", "Fira Code", monospace);
  color: var(--color-electric-blue, #00D4FF);
  font-size: 1.2em;
}
.page-privacy .privacy-section-title {
  font: var(--font-heading, 700 1.4em/1.1 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif);
  font-size: clamp(1.5rem, 3.8vw, 2.4rem);
  color: var(--color-white, #FFFFFF);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-privacy .privacy-section-divider {
  height: 2px;
  background: linear-gradient(90deg, var(--privacy-divider-color), transparent);
  opacity: 0.3;
  margin-bottom: var(--spacing-lg, 2rem);
  border-radius: 1px;
}

/* ===== 条款折叠容器 ===== */
.page-privacy .privacy-section-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md, 1rem);
  max-width: var(--privacy-max-text);
}

/* ===== 折叠子项 ===== */
.page-privacy .privacy-clause {
  background: var(--privacy-clause-bg);
  border: 1px solid rgba(192, 198, 217, 0.12);
  border-radius: var(--privacy-clause-radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.page-privacy .privacy-clause:focus-within {
  border-color: var(--color-fluo-green, #39FF14);
}
.page-privacy .privacy-clause-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm, 0.5rem);
  padding: var(--spacing-md, 1rem) var(--spacing-md, 1rem);
  background: transparent;
  border: none;
  color: var(--color-white, #FFFFFF);
  font: var(--font-body, 400 1em/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif);
  font-weight: 600;
  font-size: 0.95em;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s, color 0.2s;
}
.page-privacy .privacy-clause-toggle:hover,
.page-privacy .privacy-clause-toggle:focus-visible {
  background: rgba(57, 255, 20, 0.08);
  outline: none;
}
.page-privacy .privacy-clause-toggle-icon {
  flex-shrink: 0;
  width: 1.4em;
  height: 1.4em;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-fluo-green, #39FF14);
  border-radius: 3px;
  color: var(--color-fluo-green, #39FF14);
  font-weight: 700;
  font-size: 0.9em;
  line-height: 1;
  transition: background 0.2s, color 0.2s;
}
.page-privacy .privacy-clause-toggle[aria-expanded="true"] .privacy-clause-toggle-icon {
  background: var(--color-fluo-green, #39FF14);
  color: var(--color-dark-night, #0A0F1A);
}
.page-privacy .privacy-clause-toggle-text {
  flex: 1;
}
.page-privacy .privacy-clause-content {
  padding: 0 var(--spacing-md, 1rem) var(--spacing-md, 1rem);
  color: var(--color-metal-silver, #C0C6D9);
  font-size: 0.92em;
  line-height: 1.7;
}
.page-privacy .privacy-clause-content p {
  margin: 0 0 var(--spacing-sm, 0.5rem);
}
.page-privacy .privacy-clause-content p:last-child {
  margin-bottom: 0;
}

/* ===== 列表 ===== */
.page-privacy .privacy-list {
  list-style: none;
  margin: var(--spacing-sm, 0.5rem) 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 0.5rem);
}
.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1.2em;
}
.page-privacy .privacy-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-electric-blue, #00D4FF);
  font-weight: 700;
}

/* ===== 荧光绿高亮 ===== */
.page-privacy .highlight-fluo {
  color: var(--color-fluo-green, #39FF14);
  font-weight: 600;
  background: var(--privacy-highlight-bg);
  padding: 0.05em 0.3em;
  border-radius: 3px;
}

/* ===== 链接 ===== */
.page-privacy .privacy-link {
  color: var(--color-electric-blue, #00D4FF);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s;
}
.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  color: var(--color-fluo-green, #39FF14);
  outline: 1px solid var(--color-fluo-green, #39FF14);
  outline-offset: 2px;
}

/* ===== 结尾区 ===== */
.page-privacy .privacy-outro {
  position: relative;
  padding: var(--spacing-xl, 4rem) 0 var(--spacing-lg, 2rem);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease-out 0.1s, transform 0.6s ease-out 0.1s;
}
.page-privacy .privacy-outro[data-visible] {
  opacity: 1;
  transform: translateY(0);
}
.page-privacy .privacy-outro-band {
  height: var(--privacy-band-height);
  background: linear-gradient(90deg, var(--color-neon-purple, #9B30FF), var(--color-electric-blue, #00D4FF));
  border-radius: 2px;
  margin-bottom: var(--spacing-lg, 2rem);
}
.page-privacy .privacy-outro-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg, 2rem);
  align-items: flex-start;
}
.page-privacy .privacy-outro-text {
  font-size: 1.1em;
  color: var(--color-metal-silver, #C0C6D9);
  max-width: 55ch;
  margin: 0;
  font-style: italic;
}
.page-privacy .privacy-outro-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md, 1rem);
}

/* ===== 按钮 ===== */
.page-privacy .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6em 1.6em;
  font: var(--font-body, 400 1em/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif);
  font-weight: 700;
  font-size: 0.9em;
  letter-spacing: 0.03em;
  color: var(--color-dark-night, #0A0F1A);
  background: var(--color-fluo-green, #39FF14);
  border: 2px solid var(--color-fluo-green, #39FF14);
  border-radius: var(--privacy-clause-radius);
  text-decoration: none;
  transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.15s;
  cursor: pointer;
}
.page-privacy .btn:hover,
.page-privacy .btn:focus-visible {
  background: transparent;
  color: var(--color-fluo-green, #39FF14);
  transform: scale(1.02);
  outline: none;
}
.page-privacy .btn-outline {
  background: transparent;
  color: var(--color-electric-blue, #00D4FF);
  border-color: var(--color-electric-blue, #00D4FF);
}
.page-privacy .btn-outline:hover,
.page-privacy .btn-outline:focus-visible {
  background: var(--color-electric-blue, #00D4FF);
  color: var(--color-dark-night, #0A0F1A);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-privacy {
    padding-left: var(--spacing-lg, 2rem);
    padding-right: var(--spacing-lg, 2rem);
  }
  .page-privacy .privacy-hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--privacy-hero-gap);
  }
  .page-privacy .privacy-section-header {
    flex-direction: row;
    align-items: baseline;
    gap: var(--spacing-md, 1rem);
  }
  .page-privacy .section-label {
    font-size: 0.8em;
  }
}

@media (min-width: 1024px) {
  .page-privacy {
    padding-top: calc(var(--header-height, 72px) + var(--spacing-xl, 4rem));
    padding-bottom: var(--spacing-xl, 4rem);
    gap: calc(var(--privacy-section-gap) * 1.2);
  }
  .page-privacy .privacy-hero {
    padding: var(--spacing-xl, 4rem) 0;
  }
  .page-privacy .privacy-section {
    padding: var(--spacing-lg, 2rem) 0;
  }
  .page-privacy .privacy-clause-toggle {
    padding: var(--spacing-md, 1rem) var(--spacing-lg, 2rem);
  }
  .page-privacy .privacy-clause-content {
    padding: 0 var(--spacing-lg, 2rem) var(--spacing-md, 1rem);
  }
}

@media (max-width: 480px) {
  .page-privacy {
    padding-top: calc(var(--header-height, 72px) + var(--spacing-md, 1rem));
    padding-left: var(--spacing-sm, 0.5rem);
    padding-right: var(--spacing-sm, 0.5rem);
    gap: var(--spacing-lg, 2rem);
  }
  .page-privacy .privacy-hero-text h1 {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }
  .page-privacy .privacy-statement-banner {
    padding: var(--spacing-sm, 0.5rem) var(--spacing-md, 1rem);
    font-size: 0.88em;
  }
  .page-privacy .privacy-outro-links {
    flex-direction: column;
    width: 100%;
  }
  .page-privacy .privacy-outro-links .btn {
    width: 100%;
    text-align: center;
  }
}

/* ===== 辅助折叠交互：hidden 控制 ===== */
.page-privacy .privacy-clause-content[hidden] {
  display: none;
}

/* ===== 滚动进度修饰 ===== */
.page-privacy [data-scroll-progress] {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-fluo-green, #39FF14), var(--color-electric-blue, #00D4FF));
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
  pointer-events: none;
}