/* ===== 使用说明页专属样式 ===== */
.page-disclaimer {
  --terms-external: #7A9CC6;
  --terms-warning: #FFD700;
  position: relative;
  overflow-x: hidden;
  background-color: var(--color-bg);
  background-image:
    linear-gradient(rgba(46, 58, 89, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 58, 89, 0.35) 1px, transparent 1px);
  background-size: 26px 26px;
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.7;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 280px;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 10% 0%, rgba(255, 107, 53, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse at 90% 0%, rgba(0, 208, 132, 0.08) 0%, transparent 55%);
}

.page-disclaimer .container {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 72px;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 14px;
}

.page-disclaimer .breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-disclaimer .breadcrumb__sep {
  color: var(--color-border);
}

.page-disclaimer .breadcrumb__current {
  color: var(--color-accent);
}

/* 页面头部 */
.page-disclaimer .page-head {
  display: grid;
  gap: 12px;
  margin-bottom: 44px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.page-disclaimer .page-head__kicker {
  margin: 0;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-disclaimer .page-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-heading);
}

.page-disclaimer .page-head__desc {
  margin: 0;
  max-width: 640px;
  font-size: 16px;
  color: var(--color-text);
}

/* 主体布局 */
.page-disclaimer .terms-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 40px;
}

@media (min-width: 960px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 48px;
  }
}

/* 目录 */
.page-disclaimer .terms-toc {
  padding: 20px 16px;
  background: rgba(6, 15, 43, 0.72);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

@media (min-width: 960px) {
  .page-disclaimer .terms-toc {
    position: sticky;
    top: 22px;
    align-self: start;
  }
}

.page-disclaimer .terms-toc__label {
  display: block;
  margin-bottom: 14px;
  padding-left: 4px;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-disclaimer .terms-toc nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-disclaimer .terms-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 15px;
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base);
}

.page-disclaimer .terms-toc a span {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--color-text-muted);
}

.page-disclaimer .terms-toc a:hover {
  background: rgba(255, 107, 53, 0.10);
  color: var(--color-heading);
  transform: translateX(3px);
}

.page-disclaimer .terms-toc a:hover span {
  color: var(--color-accent);
}

/* 条款卡片列表 */
.page-disclaimer .terms-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-disclaimer .terms-card {
  position: relative;
  padding: 26px 22px 24px;
  background: linear-gradient(145deg, rgba(20, 42, 82, 0.96) 0%, rgba(20, 42, 82, 0.88) 100%);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(6, 15, 43, 0.30);
}

.page-disclaimer .terms-card--notice {
  border-left-color: var(--color-accent);
}

.page-disclaimer .terms-card--copyright {
  border-left-color: var(--color-success);
}

.page-disclaimer .terms-card--disclaimer {
  border-left-color: var(--terms-warning);
}

.page-disclaimer .terms-card--external {
  border-left-color: var(--terms-external);
}

.page-disclaimer .terms-card--modify {
  border-left-color: var(--color-text-muted);
}

.page-disclaimer .terms-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-disclaimer .terms-card__icon {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 107, 53, 0.12);
  border: 1px solid rgba(255, 107, 53, 0.28);
}

.page-disclaimer .terms-card__icon svg {
  stroke: var(--color-accent);
}

.page-disclaimer .terms-card--copyright .terms-card__icon {
  background: rgba(0, 208, 132, 0.12);
  border-color: rgba(0, 208, 132, 0.28);
}

.page-disclaimer .terms-card--copyright .terms-card__icon svg {
  stroke: var(--color-success);
}

.page-disclaimer .terms-card--disclaimer .terms-card__icon {
  background: rgba(255, 215, 0, 0.10);
  border-color: rgba(255, 215, 0, 0.28);
}

.page-disclaimer .terms-card--disclaimer .terms-card__icon svg {
  stroke: var(--terms-warning);
}

.page-disclaimer .terms-card--external .terms-card__icon {
  background: rgba(124, 156, 198, 0.14);
  border-color: rgba(124, 156, 198, 0.28);
}

.page-disclaimer .terms-card--external .terms-card__icon svg {
  stroke: var(--terms-external);
}

.page-disclaimer .terms-card--modify .terms-card__icon {
  background: rgba(184, 196, 214, 0.10);
  border-color: rgba(184, 196, 214, 0.28);
}

.page-disclaimer .terms-card--modify .terms-card__icon svg {
  stroke: var(--color-text-muted);
}

.page-disclaimer .terms-card__tag {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-disclaimer .terms-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-heading);
}

.page-disclaimer .terms-card p {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--color-text);
}

.page-disclaimer .terms-card p:last-child {
  margin-bottom: 0;
}

/* 图片说明 */
.page-disclaimer .terms-card__media {
  margin: 18px 0 0;
}

.page-disclaimer .terms-card__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  object-fit: cover;
}

.page-disclaimer .terms-card__media figcaption {
  margin-top: 8px;
  font-size: 13px;
  text-align: center;
  color: var(--color-text-muted);
}

/* 免责声明强调框 */
.page-disclaimer .notice-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 18px;
  padding: 16px 18px;
  background: rgba(255, 215, 0, 0.06);
  border: 1px solid rgba(255, 215, 0, 0.22);
  border-radius: var(--radius);
}

.page-disclaimer .notice-box svg {
  flex: 0 0 auto;
  margin-top: 2px;
  stroke: var(--terms-warning);
}

.page-disclaimer .notice-box p {
  margin: 0;
  font-size: 14px;
  color: var(--color-heading);
}

/* 相关链接 */
.page-disclaimer .related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.page-disclaimer .related-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  text-decoration: none;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
}

.page-disclaimer .related-links a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.8;
}

.page-disclaimer .related-links a:hover {
  border-color: var(--color-accent);
  background: rgba(255, 107, 53, 0.08);
  color: var(--color-heading);
}

/* 版本信息 */
.page-disclaimer .last-updated {
  margin-top: 24px;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* 窄屏适配细节 */
@media (max-width: 480px) {
  .page-disclaimer .container {
    padding: 24px 14px 56px;
  }

  .page-disclaimer .terms-card {
    padding: 22px 16px 20px;
  }

  .page-disclaimer .terms-card__head {
    align-items: flex-start;
  }

  .page-disclaimer .notice-box {
    flex-direction: column;
  }
}