.page-disclaimer {
  --d-hero-bg-start: #061226;
  --d-hero-bg-end: #0A1F3B;
  --d-accent-line: #FF6B35;
  --d-alt-line: #00B4D8;
  --d-section-gap: 2.5rem;
  --d-toc-width: 260px;
  --d-content-maxw: 820px;
  --d-border-light: #2A4265;
  --d-surface-mid: #142B4A;
  --d-text-muted: #A0B0C0;
}

/* ========== HERO ========== */
.disclaimer-hero {
  background: linear-gradient(135deg, var(--d-hero-bg-start) 0%, var(--d-hero-bg-end) 100%);
  border-bottom: 2px solid var(--d-border-light);
  padding: var(--space-xl) 0 var(--space-lg);
  position: relative;
  overflow: hidden;
}
.disclaimer-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--d-accent-line) 30%, var(--d-alt-line) 70%, transparent 100%);
  opacity: 0.6;
}
.disclaimer-hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}
.disclaimer-hero__image {
  flex-shrink: 0;
  max-width: 180px;
}
.disclaimer-hero__image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 180px;
  object-fit: contain;
  border-radius: 4px;
  filter: drop-shadow(0 0 12px rgba(0, 180, 216, 0.15));
}
.disclaimer-hero__text {
  text-align: center;
}
.disclaimer-hero__breadcrumb {
  margin-bottom: var(--space-sm);
  font-size: var(--size-data-small);
  color: var(--d-text-muted);
}
.disclaimer-hero__breadcrumb .breadcrumb__link {
  color: var(--d-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.disclaimer-hero__breadcrumb .breadcrumb__link:hover,
.disclaimer-hero__breadcrumb .breadcrumb__link:focus-visible {
  color: var(--d-accent-line);
}
.disclaimer-hero__breadcrumb .breadcrumb__sep {
  margin: 0 0.35rem;
  color: var(--d-border-light);
}
.disclaimer-hero__breadcrumb .breadcrumb__current {
  color: var(--text-primary);
  font-weight: 600;
}
.disclaimer-hero__title {
  font-family: var(--font-heading);
  font-size: var(--size-h1);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 var(--space-xs);
  line-height: 1.05;
}
.disclaimer-hero__subtitle {
  font-family: var(--font-heading);
  font-size: var(--size-h3);
  color: var(--d-accent-line);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 var(--space-sm);
  opacity: 0.9;
}
.disclaimer-hero__desc {
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--d-text-muted);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.6;
}
.disclaimer-hero__desc .text-alt {
  color: var(--d-alt-line);
}

/* ========== BODY (双栏) ========== */
.disclaimer-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-2xl);
}

/* ========== TOC ========== */
/* 移动端折叠 */
.disclaimer-toc__mobile {
  border: 1px solid var(--d-border-light);
  border-radius: 4px;
  background: var(--color-surface);
  overflow: hidden;
}
.disclaimer-toc__summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: var(--size-h3);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  user-select: none;
  transition: background var(--transition-fast);
}
.disclaimer-toc__summary::-webkit-details-marker {
  display: none;
}
.disclaimer-toc__summary:hover {
  background: rgba(255, 107, 53, 0.08);
}
.disclaimer-toc__summary-icon {
  font-size: 1.2rem;
  color: var(--d-accent-line);
  transition: transform var(--transition-base);
}
details[open] .disclaimer-toc__summary-icon {
  transform: rotate(180deg);
}
.disclaimer-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-sm);
}
.disclaimer-toc__item {
  border-top: 1px solid rgba(42, 66, 101, 0.4);
}
.disclaimer-toc__link {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast), padding-left var(--transition-fast);
}
.disclaimer-toc__link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background var(--transition-fast);
}
.disclaimer-toc__link:hover,
.disclaimer-toc__link:focus-visible {
  color: var(--d-accent-line);
  background: rgba(255, 107, 53, 0.06);
  padding-left: calc(var(--space-lg) + 4px);
}
.disclaimer-toc__link:hover::before,
.disclaimer-toc__link:focus-visible::before {
  background: var(--d-accent-line);
}
.disclaimer-toc__link[data-section="usage"]:target,
.disclaimer-toc__link[data-section="ip"]:target,
.disclaimer-toc__link[data-section="disclaimer"]:target,
.disclaimer-toc__link[data-section="changes"]:target {
  color: var(--d-accent-line);
}

/* 桌面端 TOC (隐藏移动端版本) */
.disclaimer-toc__desktop {
  display: none;
}

/* ========== 内容区 ========== */
.disclaimer-content {
  flex: 1;
  min-width: 0;
}
.disclaimer-section {
  margin-bottom: var(--d-section-gap);
  padding-bottom: var(--d-section-gap);
  border-bottom: 1px solid var(--d-border-light);
  position: relative;
}
.disclaimer-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.disclaimer-section__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.disclaimer-section__num {
  font-size: var(--size-data-large);
  color: var(--d-alt-line);
  opacity: 0.4;
  line-height: 1;
  flex-shrink: 0;
  min-width: 2.4rem;
}
.disclaimer-section__title {
  font-family: var(--font-heading);
  font-size: var(--size-h2);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
  line-height: 1.1;
  position: relative;
}
.disclaimer-section__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--d-accent-line);
  margin-top: var(--space-sm);
  border-radius: 2px;
}
.disclaimer-section__body {
  padding-left: 0;
}
.disclaimer-section__text {
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 var(--space-md);
}
.disclaimer-section__text:last-child {
  margin-bottom: 0;
}
.disclaimer-section__text .text-alt {
  color: var(--d-alt-line);
}
.disclaimer-section__note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: rgba(0, 180, 216, 0.06);
  border-left: 3px solid var(--d-alt-line);
  border-radius: 2px;
}
.disclaimer-section__note-icon {
  font-size: 1.1rem;
  color: var(--d-alt-line);
  flex-shrink: 0;
  line-height: 1.4;
}
.disclaimer-section__note-text {
  font-family: var(--font-body);
  font-size: var(--size-data-small);
  color: var(--d-text-muted);
  line-height: 1.5;
}
.disclaimer-section__highlight {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 107, 53, 0.06);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: 4px;
}
.disclaimer-section__highlight-label {
  font-size: var(--size-data-small);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.disclaimer-section__highlight-value {
  font-family: var(--font-data);
  font-size: var(--size-data-small);
  color: var(--text-primary);
}
.disclaimer-link {
  color: var(--d-alt-line);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.disclaimer-link:hover,
.disclaimer-link:focus-visible {
  color: var(--d-accent-line);
  text-decoration: underline;
}
.disclaimer-section__warning {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: rgba(255, 107, 53, 0.08);
  border-left: 3px solid var(--d-accent-line);
  border-radius: 2px;
}
.disclaimer-section__warning-icon {
  font-size: 1.1rem;
  color: var(--d-accent-line);
  flex-shrink: 0;
  line-height: 1.4;
}
.disclaimer-section__warning-text {
  font-family: var(--font-body);
  font-size: var(--size-data-small);
  color: var(--d-text-muted);
  line-height: 1.5;
}

/* 内容区底部按钮 */
.disclaimer-content__footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--d-border-light);
}
.disclaimer-content__footer-link {
  text-decoration: none;
  padding: 0.6rem 1.8rem;
  font-size: var(--size-data-small);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.disclaimer-content__footer-link.btn--alt {
  background: transparent;
  border: 1px solid var(--d-alt-line);
  color: var(--d-alt-line);
}
.disclaimer-content__footer-link.btn--alt:hover,
.disclaimer-content__footer-link.btn--alt:focus-visible {
  background: var(--d-alt-line);
  color: var(--d-hero-bg-start);
}

/* ========== 桌面端媒体查询 ========== */
@media (min-width: 900px) {
  .disclaimer-hero {
    padding: var(--space-2xl) 0 var(--space-xl);
  }
  .disclaimer-hero__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-xl);
  }
  .disclaimer-hero__image {
    max-width: 240px;
    order: -1;
  }
  .disclaimer-hero__image img {
    max-width: 240px;
  }
  .disclaimer-hero__text {
    text-align: left;
    flex: 1;
  }
  .disclaimer-hero__desc {
    margin: 0;
  }

  .disclaimer-body {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-2xl);
  }

  .disclaimer-toc {
    width: var(--d-toc-width);
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--header-top-height) + var(--nav-height) + var(--space-lg));
  }
  .disclaimer-toc__mobile {
    display: none;
  }
  .disclaimer-toc__desktop {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--d-border-light);
    border-radius: 4px;
    padding: var(--space-lg) 0;
    position: relative;
    overflow: hidden;
  }
  .disclaimer-toc__desktop::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--d-accent-line), var(--d-alt-line));
    opacity: 0.5;
  }
  .disclaimer-toc__heading {
    font-family: var(--font-heading);
    font-size: var(--size-h3);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0 var(--space-lg) var(--space-md);
    margin: 0;
  }
  .disclaimer-toc__desktop .disclaimer-toc__list {
    padding: 0;
  }
  .disclaimer-toc__desktop .disclaimer-toc__item {
    border-top: none;
  }
  .disclaimer-toc__desktop .disclaimer-toc__link {
    padding: var(--space-sm) var(--space-lg);
    border-left: 3px solid transparent;
  }
  .disclaimer-toc__desktop .disclaimer-toc__link::before {
    display: none;
  }
  .disclaimer-toc__desktop .disclaimer-toc__link:hover,
  .disclaimer-toc__desktop .disclaimer-toc__link:focus-visible {
    border-left-color: var(--d-accent-line);
    padding-left: var(--space-lg);
    background: rgba(255, 107, 53, 0.06);
  }
  .disclaimer-toc__decor {
    margin-top: var(--space-lg);
    margin-left: var(--space-lg);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--d-alt-line), transparent);
    opacity: 0.3;
  }

  .disclaimer-content {
    max-width: var(--d-content-maxw);
  }
  .disclaimer-section__body {
    padding-left: 0;
  }
  .disclaimer-section__text {
    font-size: calc(var(--size-body) + 0.05rem);
  }
  .disclaimer-content__footer {
    justify-content: flex-start;
  }
}

/* ========== 大屏微调 ========== */
@media (min-width: 1200px) {
  .disclaimer-hero__inner {
    gap: var(--space-2xl);
  }
  .disclaimer-hero__image {
    max-width: 280px;
  }
  .disclaimer-hero__image img {
    max-width: 280px;
  }
  .disclaimer-body {
    gap: var(--space-2xl);
  }
  .disclaimer-toc {
    width: 280px;
  }
}

/* ========== 超窄屏保护 ========== */
@media (max-width: 380px) {
  .disclaimer-hero__title {
    font-size: 1.8rem;
  }
  .disclaimer-section__num {
    font-size: 1.4rem;
    min-width: 1.8rem;
  }
  .disclaimer-section__title {
    font-size: 1.3rem;
  }
  .disclaimer-toc__summary {
    font-size: 1rem;
    padding: var(--space-sm) var(--space-md);
  }
  .disclaimer-content__footer {
    flex-direction: column;
    align-items: stretch;
  }
  .disclaimer-content__footer-link {
    text-align: center;
  }
}
</style>

```