/* ===== 页面专属：网站声明 disclaimer ===== */
.page-disclaimer {
  --color-bg: #0A0E27;
  --color-bg-elevated: #12183A;
  --color-accent: #FF6B35;
  --color-accent-dark: #D84315;
  --color-text: #F5F7FA;
  --color-text-muted: #8C9EAB;
  --color-glow: #00BCD4;
  --color-border-start: #B0BEC5;
  --color-border-end: #ECEFF1;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Arial', 'Helvetica', sans-serif;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --grid-gap: var(--space-lg);
  --transition: 0.3s ease;
  --max-width: 1200px;
  --tabs-min-height: 280px;
  --panel-padding: 2rem;
}

/* ----- 内容容器 ----- */
.page-disclaimer .content-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
}

/* ----- 页面头部 ----- */
.page-disclaimer .page-header {
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.page-disclaimer .page-header-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--space-md);
}

.page-disclaimer .page-header-icon svg {
  display: block;
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 0 8px rgba(176,190,197,0.3));
}

.page-disclaimer .page-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 2.75rem;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  line-height: 1.2;
}

.page-disclaimer .page-desc {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto var(--space-lg);
}

.page-disclaimer .deco-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, #B0BEC5, #ECEFF1, transparent);
  width: 60%;
  margin: 0 auto;
  opacity: 0.5;
}

/* ----- 标签页容器（纯CSS标签页） ----- */
.page-disclaimer .tabs-container {
  display: flex;
  flex-wrap: wrap;
  position: relative;
  min-height: var(--tabs-min-height);
  margin-bottom: var(--space-xl);
}

/* 隐藏radio输入 */
.page-disclaimer .tab-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* ---- 标签导航 ---- */
.page-disclaimer .tab-label {
  order: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  margin-right: 2px;
  margin-bottom: 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  user-select: none;
  white-space: nowrap;
  position: relative;
  z-index: 2;
}

.page-disclaimer .tab-label:hover,
.page-disclaimer .tab-label:focus-visible {
  color: var(--color-text);
  border-bottom-color: var(--color-text-muted);
  outline: none;
}

/* 选中标签：信号橙底 + 发光 */
.page-disclaimer .tab-input:checked + .tab-label {
  color: var(--color-text);
  background: rgba(255, 107, 53, 0.12);
  border-color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  box-shadow: 0 0 12px rgba(255, 107, 53, 0.18);
}

/* ---- 内容面板 ---- */
.page-disclaimer .tab-panel {
  order: 2;
  width: 100%;
  display: none;
  padding: var(--panel-padding);
  margin-top: -1px;
  background: rgba(18, 24, 58, 0.65);
  border: 1px solid rgba(176, 190, 197, 0.18);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: opacity 0.25s ease;
}

/* 选中状态显示对应面板 */
.page-disclaimer .tab-input:checked + .tab-label + .tab-panel {
  display: block;
  animation: fadeInPanel 0.35s ease;
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- 面板内部 ---- */
.page-disclaimer .panel-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  margin: 0 0 var(--space-md);
  line-height: 1.3;
}

.page-disclaimer .panel-text {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
  max-width: 680px;
}

.page-disclaimer .panel-text:last-of-type {
  margin-bottom: 0;
}

.page-disclaimer .panel-link {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.page-disclaimer .panel-link:hover,
.page-disclaimer .panel-link:focus-visible {
  color: var(--color-glow);
  border-bottom-color: var(--color-glow);
  outline: none;
}

/* ---- 联系列表 ---- */
.page-disclaimer .contact-list {
  list-style: none;
  margin: var(--space-md) 0 var(--space-lg);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-disclaimer .contact-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
}

.page-disclaimer .contact-label {
  font-weight: 600;
  color: var(--color-text-muted);
  min-width: 3.5rem;
}

.page-disclaimer .contact-value {
  color: var(--color-text);
}

.page-disclaimer .contact-highlight {
  color: var(--color-accent);
  font-weight: 500;
}

.page-disclaimer .panel-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.8rem;
  margin-top: var(--space-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background: var(--color-accent);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform 0.15s ease;
}

.page-disclaimer .panel-btn:hover,
.page-disclaimer .panel-btn:focus-visible {
  background: var(--color-accent-dark);
  transform: scale(1.02);
  outline: none;
}

/* ----- 装饰图片 ----- */
.page-disclaimer .page-deco-img {
  display: block;
  margin: var(--space-lg) auto;
  max-width: 600px;
  width: 100%;
  height: auto;
  border-radius: 4px;
  opacity: 0.9;
}

/* ----- 页脚附注 ----- */
.page-disclaimer .page-footer-note {
  text-align: center;
  margin-top: var(--space-xl);
}

.page-disclaimer .page-footer-note .deco-line {
  width: 40%;
  margin-bottom: var(--space-lg);
}

.page-disclaimer .note-text {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ===== 响应式：移动端优先 ===== */
@media (max-width: 767px) {
  .page-disclaimer .content-container {
    padding: var(--space-lg) var(--space-md) var(--space-xl);
  }

  .page-disclaimer .page-title {
    font-size: 1.9rem;
    letter-spacing: 0.05em;
  }

  .page-disclaimer .page-desc {
    font-size: 1rem;
    max-width: 100%;
  }

  .page-disclaimer .page-header-icon svg {
    width: 40px;
    height: 40px;
  }

  /* 标签栏：允许横向滚动 */
  .page-disclaimer .tabs-container {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(176,190,197,0.2) transparent;
    -webkit-overflow-scrolling: touch;
    flex-direction: column;
  }

  .page-disclaimer .tabs-container::-webkit-scrollbar {
    height: 3px;
  }

  .page-disclaimer .tabs-container::-webkit-scrollbar-thumb {
    background: rgba(176,190,197,0.25);
    border-radius: 4px;
  }

  .page-disclaimer .tab-label {
    white-space: nowrap;
    font-size: 0.82rem;
    padding: 0.6rem 1.1rem;
    flex-shrink: 0;
    margin-right: 0;
    margin-bottom: 1px;
    border-bottom: 2px solid transparent;
  }

  .page-disclaimer .tab-panel {
    padding: 1.25rem;
  }

  .page-disclaimer .panel-heading {
    font-size: 1.3rem;
  }

  .page-disclaimer .panel-text {
    font-size: 0.95rem;
  }

  .page-disclaimer .contact-list {
    gap: 0.4rem;
  }

  .page-disclaimer .contact-item {
    flex-direction: column;
    gap: 0.2rem;
  }

  .page-disclaimer .contact-label {
    min-width: auto;
  }

  .page-disclaimer .panel-btn {
    width: 100%;
    text-align: center;
  }

  .page-disclaimer .deco-line {
    width: 80%;
  }

  .page-disclaimer .page-footer-note .deco-line {
    width: 60%;
  }
}

/* ===== 桌面增强 ===== */
@media (min-width: 768px) {
  .page-disclaimer .content-container {
    padding: var(--space-2xl) var(--space-xl) var(--space-2xl);
  }

  .page-disclaimer .page-header {
    margin-bottom: var(--space-2xl);
  }

  .page-disclaimer .page-title {
    font-size: 3.2rem;
  }

  .page-disclaimer .tabs-container {
    flex-direction: row;
  }

  .page-disclaimer .tab-label {
    padding: 0.85rem 2rem;
    font-size: 1rem;
    margin-right: 2px;
  }

  .page-disclaimer .tab-panel {
    padding: var(--panel-padding);
  }

  .page-disclaimer .tab-panel {
    min-height: 200px;
  }

  .page-disclaimer .contact-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-md) var(--space-xl);
  }

  .page-disclaimer .contact-item {
    flex-direction: row;
    gap: var(--space-sm);
  }
}

/* ===== 宽屏微调 ===== */
@media (min-width: 1200px) {
  .page-disclaimer .page-title {
    font-size: 3.5rem;
  }

  .page-disclaimer .tab-label {
    font-size: 1.05rem;
  }

  .page-disclaimer .tab-panel {
    padding: 2.5rem 3rem;
  }
}

/* ===== 可访问性：聚焦样式 ===== */
.page-disclaimer .tab-label:focus-visible {
  outline: 2px solid var(--color-glow);
  outline-offset: -2px;
}

.page-disclaimer .panel-link:focus-visible {
  outline: 2px solid var(--color-glow);
  outline-offset: 2px;
}

.page-disclaimer .panel-btn:focus-visible {
  outline: 2px solid var(--color-glow);
  outline-offset: 2px;
}

/* ===== 减少动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .tab-panel {
    animation: none !important;
  }
  .page-disclaimer * {
    transition-duration: 0.01ms !important;
  }
}