/* ===== 页面专属样式：使用说明（page-disclaimer） ===== */
/* 移动端优先，桌面增强 */

.page-disclaimer {
  display: block;
  background: var(--bg-light, #F5F5F5);
  color: var(--text-primary, #121212);
  font-family: var(--font-body, 'Noto Sans SC', 'Helvetica Neue', sans-serif);
  line-height: 1.6;
  --pd-gap: 24px;
  --pd-section-gap: 48px;
  --pd-border: 4px solid var(--primary, #E03A3E);
  --pd-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.page-disclaimer__container {
  max-width: var(--content-width, 1280px);
  margin: 0 auto;
  padding: 32px var(--grid-gap, 24px) 48px;
}

/* 面包屑 */
.page-disclaimer__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary, #757575);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.page-disclaimer__breadcrumb a {
  color: var(--text-secondary, #757575);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border, #E0E0E0);
  transition: color var(--transition, 0.2s ease), text-decoration-color var(--transition, 0.2s ease);
}
.page-disclaimer__breadcrumb a:hover,
.page-disclaimer__breadcrumb a:focus {
  color: var(--primary, #E03A3E);
  text-decoration-color: var(--primary, #E03A3E);
}
.page-disclaimer__breadcrumb-sep {
  color: var(--border, #E0E0E0);
  font-weight: 300;
}
.page-disclaimer__breadcrumb [aria-current="page"] {
  color: var(--text-primary, #121212);
  font-weight: 500;
}

/* Hero 标题区 */
.page-disclaimer__hero {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: var(--pd-border);
}
.page-disclaimer__hero-text {
  flex: 1;
}
.page-disclaimer__page-title {
  font-family: var(--font-heading, 'Noto Sans SC', 'Helvetica Neue', sans-serif);
  font-weight: 900;
  font-size: 2.4rem;
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--text-primary, #121212);
  margin: 0 0 12px 0;
  text-transform: uppercase;
}
.page-disclaimer__hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary, #757575);
  max-width: 680px;
  margin: 0;
  line-height: 1.7;
}
.page-disclaimer__hero-fig {
  flex-shrink: 0;
  align-self: flex-start;
}
.page-disclaimer__hero-img {
  display: block;
  width: 200px;
  height: 200px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border: 2px solid var(--primary, #E03A3E);
  box-shadow: var(--pd-shadow);
  background: #fff;
  padding: 12px;
  transition: transform var(--transition, 0.2s ease), box-shadow var(--transition, 0.2s ease);
}
.page-disclaimer__hero-img:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

/* 通用章节 */
.page-disclaimer__section {
  margin-bottom: var(--pd-section-gap);
  padding: 28px 0;
}
.page-disclaimer__section-title {
  font-family: var(--font-heading, 'Noto Sans SC', 'Helvetica Neue', sans-serif);
  font-weight: 900;
  font-size: 1.8rem;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--text-primary, #121212);
  margin: 0 0 8px 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.page-disclaimer__section-num {
  font-family: var(--font-mono, 'JetBrains Mono', 'Fira Code', monospace);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary, #E03A3E);
  background: rgba(224, 58, 62, 0.08);
  padding: 0 6px;
  line-height: 1.6;
  display: inline-block;
}
.page-disclaimer__section-lede {
  font-size: 1rem;
  color: var(--text-secondary, #757575);
  margin: 0 0 32px 0;
  max-width: 640px;
  padding-left: 4px;
  border-left: 3px solid var(--border, #E0E0E0);
  padding-left: 16px;
}

/* 条款列表 */
.page-disclaimer__terms-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-disclaimer__term {
  display: flex;
  gap: 16px;
  padding: 20px 20px 20px 24px;
  background: #ffffff;
  border: 2px solid var(--border, #E0E0E0);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: border-color var(--transition, 0.2s ease), box-shadow var(--transition, 0.2s ease), background var(--transition, 0.2s ease);
  position: relative;
}
.page-disclaimer__term:hover,
.page-disclaimer__term:focus-within {
  border-color: var(--primary, #E03A3E);
  box-shadow: var(--pd-shadow);
  background: #fcfcfc;
}
.page-disclaimer__term-number {
  font-family: var(--font-mono, 'JetBrains Mono', 'Fira Code', monospace);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--primary, #E03A3E);
  flex-shrink: 0;
  min-width: 2.2rem;
  padding-top: 2px;
  letter-spacing: -0.02em;
}
.page-disclaimer__term-body {
  flex: 1;
  min-width: 0;
}
.page-disclaimer__term-heading {
  font-family: var(--font-heading, 'Noto Sans SC', 'Helvetica Neue', sans-serif);
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 0 8px 0;
  color: var(--text-primary, #121212);
  letter-spacing: 0.02em;
}
.page-disclaimer__term-text {
  font-size: 0.95rem;
  color: var(--text-primary, #121212);
  margin: 0 0 8px 0;
  line-height: 1.7;
}
.page-disclaimer__term-detail {
  font-size: 0.88rem;
  color: var(--text-secondary, #757575);
  line-height: 1.6;
  margin-top: 8px;
  padding: 10px 14px;
  background: rgba(224, 58, 62, 0.04);
  border-left: 3px solid var(--primary, #E03A3E);
  opacity: 0.65;
  transition: opacity var(--transition, 0.2s ease), background var(--transition, 0.2s ease);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.page-disclaimer__term:hover .page-disclaimer__term-detail,
.page-disclaimer__term:focus-within .page-disclaimer__term-detail {
  opacity: 1;
  background: rgba(224, 58, 62, 0.08);
}
.page-disclaimer__term-detail-icon {
  font-size: 1rem;
  line-height: 1.4;
  color: var(--primary, #E03A3E);
  flex-shrink: 0;
}

/* 内联链接 */
.page-disclaimer__inline-link {
  color: var(--primary, #E03A3E);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--primary, #E03A3E);
  font-weight: 600;
  transition: background var(--transition, 0.2s ease), color var(--transition, 0.2s ease);
  padding: 0 2px;
}
.page-disclaimer__inline-link:hover,
.page-disclaimer__inline-link:focus {
  background: var(--primary, #E03A3E);
  color: #ffffff;
  text-decoration: none;
}

/* 免责声明区域 */
.page-disclaimer__disclaimer-section {
  background: #f0f0f0;
  padding: 32px 28px;
  border-left: var(--pd-border);
  box-shadow: inset 0 0 0 1px var(--border, #E0E0E0);
}
.page-disclaimer__section-title--alt .page-disclaimer__section-num {
  background: rgba(224, 58, 62, 0.15);
}
.page-disclaimer__disclaimer-body {
  font-style: italic;
  color: #2c2c2c;
}
.page-disclaimer__disclaimer-text {
  font-size: 0.98rem;
  line-height: 1.8;
  margin: 0 0 16px 0;
  padding-left: 8px;
}
.page-disclaimer__disclaimer-text:last-child {
  margin-bottom: 0;
}
.page-disclaimer__disclaimer-text::before {
  content: "— ";
  color: var(--primary, #E03A3E);
  font-weight: 700;
}

/* 联系我们区域 */
.page-disclaimer__contact-section {
  padding-top: 8px;
}
.page-disclaimer__contact-body {
  margin-top: 20px;
}
.page-disclaimer__contact-text {
  font-size: 1rem;
  color: var(--text-primary, #121212);
  margin: 0 0 20px 0;
}
.page-disclaimer__contact-channel {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
  padding: 10px 16px;
  background: #ffffff;
  border: 1px solid var(--border, #E0E0E0);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: border-color var(--transition, 0.2s ease), box-shadow var(--transition, 0.2s ease);
}
.page-disclaimer__contact-channel:hover {
  border-color: var(--primary, #E03A3E);
  box-shadow: 0 4px 14px rgba(224, 58, 62, 0.10);
}
.page-disclaimer__channel-label {
  font-family: var(--font-heading, 'Noto Sans SC', 'Helvetica Neue', sans-serif);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary, #757575);
  white-space: nowrap;
  min-width: 120px;
}
.page-disclaimer__channel-email {
  font-family: var(--font-mono, 'JetBrains Mono', 'Fira Code', monospace);
  font-size: 0.95rem;
  color: var(--primary, #E03A3E);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--primary, #E03A3E);
  transition: background var(--transition, 0.2s ease), color var(--transition, 0.2s ease);
  padding: 0 2px;
  word-break: break-all;
}
.page-disclaimer__channel-email:hover,
.page-disclaimer__channel-email:focus {
  background: var(--primary, #E03A3E);
  color: #ffffff;
  text-decoration: none;
}
.page-disclaimer__contact-extra {
  font-size: 0.95rem;
  color: var(--text-secondary, #757575);
  margin: 16px 0 0 0;
}

/* 底部元信息 */
.page-disclaimer__meta {
  margin-top: 48px;
  padding: 24px 28px;
  background: var(--bg-dark, #1A1A1A);
  color: #e0e0e0;
  display: flex;
  flex-wrap: wrap;
  gap: 20px 40px;
  border-top: var(--pd-border);
}
.page-disclaimer__meta-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.9rem;
}
.page-disclaimer__meta-label {
  font-family: var(--font-heading, 'Noto Sans SC', 'Helvetica Neue', sans-serif);
  font-weight: 600;
  color: var(--primary, #E03A3E);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
  opacity: 0.85;
}
.page-disclaimer__meta-value {
  font-family: var(--font-mono, 'JetBrains Mono', 'Fira Code', monospace);
  color: #f0f0f0;
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-disclaimer__container {
    padding: 48px var(--grid-gap, 24px) 64px;
  }
  .page-disclaimer__hero {
    flex-direction: row;
    align-items: center;
    gap: 40px;
  }
  .page-disclaimer__page-title {
    font-size: 3rem;
  }
  .page-disclaimer__hero-desc {
    font-size: 1.15rem;
  }
  .page-disclaimer__hero-fig {
    align-self: center;
  }
  .page-disclaimer__section {
    padding: 36px 0;
  }
  .page-disclaimer__section-title {
    font-size: 2rem;
  }
  .page-disclaimer__terms-list {
    gap: 24px;
  }
  .page-disclaimer__term {
    padding: 24px 24px 24px 32px;
  }
  .page-disclaimer__term-number {
    font-size: 1.8rem;
    min-width: 2.6rem;
  }
  .page-disclaimer__disclaimer-section {
    padding: 40px 40px;
  }
  .page-disclaimer__disclaimer-text {
    font-size: 1.02rem;
  }
  .page-disclaimer__meta {
    padding: 28px 40px;
    gap: 28px 56px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer__container {
    padding: 56px var(--grid-gap, 24px) 72px;
  }
  .page-disclaimer__hero {
    gap: 56px;
  }
  .page-disclaimer__page-title {
    font-size: 3.6rem;
  }
  .page-disclaimer__section-title {
    font-size: 2.2rem;
  }
  .page-disclaimer__terms-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .page-disclaimer__term {
    padding: 28px 28px 28px 36px;
  }
  .page-disclaimer__disclaimer-section {
    padding: 48px 56px;
  }
  .page-disclaimer__contact-channel {
    max-width: 600px;
  }
}

/* 焦点样式 */
.page-disclaimer a:focus-visible,
.page-disclaimer [tabindex]:focus-visible {
  outline: 2px dashed var(--primary, #E03A3E);
  outline-offset: 4px;
}