/* ===== 页面专属：page-disclaimer ===== */
.page-disclaimer {
  --dt-accent: var(--accent);
  --dt-accent-soft: rgba(255, 107, 53, 0.12);
  --dt-warning-bg: rgba(255, 107, 53, 0.08);
  --dt-warning-border: #FF6B35;
  --dt-section-gap: 2.5rem;
  --dt-content-max: 880px;
  --dt-hero-min-h: 320px;
  color: var(--white);
  background: var(--primary);
  font-family: var(--font-body);
  line-height: 1.7;
}

/* ----- 首屏标题区 ----- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  width: 100%;
  min-height: var(--dt-hero-min-h);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: linear-gradient(135deg, #0A192F 0%, #1A2A3A 100%);
}

.page-disclaimer .disclaimer-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.15;
  pointer-events: none;
}

.page-disclaimer .disclaimer-hero-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 2.5rem;
}

.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--gray);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

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

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

.page-disclaimer .breadcrumb .sep {
  color: var(--gray-light);
  opacity: 0.5;
}

.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}

.page-disclaimer .disclaimer-hero-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0 0 0.75rem;
}

.page-disclaimer .disclaimer-hero-desc {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gray-light);
  max-width: 640px;
  margin: 0;
  line-height: 1.6;
}

/* ----- 正文容器 ----- */
.page-disclaimer .disclaimer-body {
  max-width: var(--dt-content-max);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.page-disclaimer .disclaimer-intro {
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.page-disclaimer .disclaimer-intro-text {
  font-size: 1.05rem;
  color: var(--gray-light);
  margin: 0;
  line-height: 1.8;
}

.page-disclaimer .domain-name {
  font-family: var(--font-data);
  color: var(--accent);
  background: var(--dt-accent-soft);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ----- 条款章节（可折叠） ----- */
.page-disclaimer .terms-section {
  margin-bottom: var(--dt-section-gap);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  padding-bottom: var(--dt-section-gap);
}

.page-disclaimer .terms-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .terms-section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  padding: 0.5rem 0;
  transition: opacity var(--transition);
}

.page-disclaimer .terms-section-header:hover {
  opacity: 0.85;
}

.page-disclaimer .terms-section-header:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-disclaimer .terms-section-num {
  font-family: var(--font-data);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 0;
  min-width: 3ch;
  opacity: 0.7;
}

.page-disclaimer .terms-section-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  color: var(--white);
  margin: 0;
  line-height: 1.2;
  flex: 1;
}

.page-disclaimer .terms-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--gray);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.page-disclaimer .terms-section-header[aria-expanded="true"] .terms-toggle-icon {
  transform: rotate(180deg);
  color: var(--accent);
}

.page-disclaimer .terms-section-content {
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
  max-height: 2000px;
  opacity: 1;
  padding-top: 1rem;
}

.page-disclaimer .terms-section-header[aria-expanded="false"] + .terms-section-content {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
}

/* ----- 列表与文字 ----- */
.page-disclaimer .terms-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-disclaimer .terms-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 1rem;
  color: var(--gray-light);
  line-height: 1.7;
}

.page-disclaimer .terms-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-data);
  font-weight: 300;
  opacity: 0.6;
}

/* ----- 警告区域（免责声明专属） ----- */
.page-disclaimer .terms-section--warning {
  background: var(--dt-warning-bg);
  border-left: 4px solid var(--dt-warning-border);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem 1.5rem 1.5rem 1.25rem;
  margin-left: -1.25rem;
  margin-right: -1.25rem;
  padding-left: calc(1.25rem + 4px);
}

.page-disclaimer .terms-section--warning .terms-section-header {
  padding-top: 0;
}

.page-disclaimer .warning-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.25);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.page-disclaimer .warning-icon {
  flex-shrink: 0;
  color: var(--accent);
  width: 24px;
  height: 24px;
  margin-top: 0.1em;
}

.page-disclaimer .warning-text {
  margin: 0;
  font-size: 1rem;
  color: var(--white);
  font-weight: 500;
  line-height: 1.7;
}

.page-disclaimer .terms-section--warning .terms-list li {
  color: rgba(255, 255, 255, 0.8);
}

.page-disclaimer .terms-section--warning .terms-list li::before {
  color: var(--accent);
  opacity: 0.9;
}

/* ----- 条款更新专属 ----- */
.page-disclaimer .terms-update-notice {
  font-size: 1.05rem;
  color: var(--white);
  font-weight: 500;
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}

.page-disclaimer .terms-update-date {
  margin: 1.25rem 0 0;
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--gray);
  text-align: right;
  letter-spacing: 0.02em;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

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

.page-disclaimer .terms-link:hover {
  border-bottom-color: var(--accent);
}

/* ----- 相关链接 ----- */
.page-disclaimer .terms-related {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.page-disclaimer .terms-related-title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--white);
  margin: 0 0 1rem;
}

.page-disclaimer .terms-related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-disclaimer .terms-related-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--accent);
  text-decoration: none;
  padding: 0.5rem 1rem;
  background: rgba(255, 107, 53, 0.08);
  border-radius: var(--radius-full);
  transition: background var(--transition), color var(--transition);
}

.page-disclaimer .terms-related-link:hover {
  background: rgba(255, 107, 53, 0.2);
  color: var(--white);
}

.page-disclaimer .terms-related-link svg {
  transition: transform var(--transition);
}

.page-disclaimer .terms-related-link:hover svg {
  transform: translateX(3px);
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 768px) {
  .page-disclaimer .disclaimer-hero-overlay {
    padding: 4rem 2.5rem 3rem;
  }

  .page-disclaimer .disclaimer-body {
    padding: 4rem 2.5rem 5rem;
  }

  .page-disclaimer .disclaimer-intro {
    margin-bottom: 3.5rem;
    padding-bottom: 2rem;
  }

  .page-disclaimer .terms-section {
    --dt-section-gap: 3rem;
  }

  .page-disclaimer .terms-section--warning {
    padding: 2rem 2rem 2rem 1.75rem;
    margin-left: -2rem;
    margin-right: -2rem;
  }

  .page-disclaimer .terms-section-header {
    padding: 0.75rem 0;
  }

  .page-disclaimer .terms-list {
    gap: 1rem;
  }

  .page-disclaimer .terms-list li {
    padding-left: 1.75rem;
    font-size: 1.05rem;
  }

  .page-disclaimer .warning-banner {
    padding: 1.25rem 1.5rem;
  }

  .page-disclaimer .terms-related {
    margin-top: 4rem;
    padding-top: 2.5rem;
  }

  .page-disclaimer .terms-related-links {
    gap: 1.25rem;
  }
}

/* ===== 桌面大屏 ===== */
@media (min-width: 1200px) {
  .page-disclaimer .disclaimer-hero-overlay {
    padding: 5rem 3rem 3.5rem;
  }

  .page-disclaimer .disclaimer-body {
    padding: 5rem 3rem 6rem;
  }

  .page-disclaimer .disclaimer-hero-title {
    font-size: 4.5rem;
  }

  .page-disclaimer .terms-section {
    --dt-section-gap: 3.5rem;
  }

  .page-disclaimer .terms-section--warning {
    padding: 2.5rem 2.5rem 2.5rem 2rem;
    margin-left: -2.5rem;
    margin-right: -2.5rem;
  }
}

/* ===== 窄屏安全 ===== */
@media (max-width: 480px) {
  .page-disclaimer .disclaimer-hero {
    min-height: 240px;
  }

  .page-disclaimer .disclaimer-hero-overlay {
    padding: 2rem 1rem 1.5rem;
  }

  .page-disclaimer .disclaimer-body {
    padding: 2rem 1rem 3rem;
  }

  .page-disclaimer .terms-section--warning {
    margin-left: -1rem;
    margin-right: -1rem;
    padding: 1.25rem 1rem;
    border-left-width: 3px;
  }

  .page-disclaimer .terms-section-num {
    font-size: 1.6rem;
    min-width: 2.5ch;
  }

  .page-disclaimer .terms-section-title {
    font-size: 1.15rem;
  }

  .page-disclaimer .terms-list li {
    font-size: 0.95rem;
    padding-left: 1.25rem;
  }

  .page-disclaimer .terms-toggle-icon {
    width: 28px;
    height: 28px;
  }

  .page-disclaimer .warning-banner {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
  }

  .page-disclaimer .terms-related-links {
    flex-direction: column;
    gap: 0.75rem;
  }

  .page-disclaimer .terms-related-link {
    justify-content: center;
  }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-section-content {
    transition: none;
  }

  .page-disclaimer .terms-toggle-icon {
    transition: none;
  }

  .page-disclaimer .terms-related-link svg {
    transition: none;
  }
}