/* ========== 页面作用域：使用说明 / instructions ========== */

.page-disclaimer {
  --doc-line-height: 1.9;
  position: relative;
  background: var(--bg-ink);
  color: var(--text);
  font-family: var(--font-body);
}

/* 细网格水印背景 */
.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(31, 58, 77, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 58, 77, 0.2) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-disclaimer__container {
  position: relative;
  z-index: 1;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.page-disclaimer__breadcrumb {
  margin-bottom: 2rem;
}

/* Hero */
.page-disclaimer__hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem 3rem;
  align-items: center;
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-disclaimer__eyebrow::before {
  content: "";
  width: 2.25rem;
  height: 2px;
  background: var(--neon);
}

.page-disclaimer__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text);
}

.page-disclaimer__subtitle {
  max-width: 56ch;
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.page-disclaimer__hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background: rgba(57, 255, 20, 0.1);
  border: 1px solid rgba(57, 255, 20, 0.45);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.page-disclaimer__hero-version {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.page-disclaimer__hero-media {
  margin: 0;
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
}

.page-disclaimer__hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(57, 255, 20, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.07) 1px, transparent 1px);
  background-size: 16px 16px;
}

.page-disclaimer__hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer__hero-media figcaption {
  padding: 0.75rem 1rem;
  background: var(--bg-panel-2);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* 内容对齐 */
.page-disclaimer__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.page-disclaimer__body {
  min-width: 0;
}

/* 索引 */
.page-disclaimer__toc {
  padding: 1.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--plasma);
}

.page-disclaimer__toc-label {
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-disclaimer__toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer__toc-list a {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px dashed var(--line);
  color: var(--text);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color var(--transition);
}

.page-disclaimer__toc-list a:hover {
  color: var(--neon);
}

.page-disclaimer__toc-num {
  color: var(--plasma);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
}

.page-disclaimer__toc-tip {
  margin: 1.25rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* 条款章节 */
.page-disclaimer__section {
  padding-bottom: 2.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-disclaimer__section:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.page-disclaimer__section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-disclaimer__section-num {
  flex: 0 0 auto;
  min-width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 107, 0, 0.15);
  border: 1px solid rgba(255, 107, 0, 0.45);
  color: var(--plasma);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1;
}

.page-disclaimer__section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.25;
  text-transform: uppercase;
  color: var(--text);
}

/* 章节正文 */
.page-disclaimer__section-body > p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: var(--doc-line-height);
  color: var(--text-dim);
}

.page-disclaimer__section-body > p:last-child {
  margin-bottom: 0;
}

.page-disclaimer__section-body strong {
  font-weight: 500;
  color: var(--text);
}

.page-disclaimer__list {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  line-height: var(--doc-line-height);
  color: var(--text-dim);
}

.page-disclaimer__list li {
  margin-bottom: 0.5rem;
}

.page-disclaimer__list li::marker {
  color: var(--neon);
}

/* 警示框 */
.page-disclaimer__alert {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  margin: 0 0 1.5rem;
  background: rgba(255, 107, 0, 0.14);
  border: 1px solid rgba(255, 107, 0, 0.5);
  border-left: 5px solid var(--plasma);
}

.page-disclaimer__alert-icon {
  flex: 0 0 auto;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  background: var(--plasma);
  color: var(--bg-ink);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: var(--radius);
}

.page-disclaimer__alert p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: var(--doc-line-height);
  color: var(--text);
}

/* 分条款 */
.page-disclaimer__clauses {
  display: grid;
  gap: 0;
  margin-top: 1.75rem;
}

.page-disclaimer__clause {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer__clause:first-child {
  padding-top: 0;
}

.page-disclaimer__clause:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-disclaimer__clause-num {
  color: var(--plasma);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.9rem;
}

.page-disclaimer__clause-content h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--text);
}

.page-disclaimer__clause-content p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: var(--doc-line-height);
  color: var(--text-dim);
}

/* 联络方式 */
.page-disclaimer__contact-email {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  margin: 1.25rem 0;
  padding: 1.25rem;
  max-width: 34rem;
  background: var(--bg-panel);
  border: 1px solid var(--line);
}

.page-disclaimer__contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-disclaimer__contact-email a {
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  color: var(--neon);
  text-decoration: none;
  word-break: break-all;
}

.page-disclaimer__contact-email a:hover {
  text-decoration: underline;
}

/* outro */
.page-disclaimer__outro {
  margin-top: 2.5rem;
  padding: 1.5rem;
  background: rgba(57, 255, 20, 0.06);
  border: 1px solid rgba(57, 255, 20, 0.4);
  color: var(--text-dim);
  font-size: 0.9375rem;
  line-height: var(--doc-line-height);
}

.page-disclaimer__outro p {
  margin: 0;
}

/* 桌面端布局 */
@media (min-width: 768px) {
  .page-disclaimer__hero {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 3rem;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer__container {
    padding-top: 3rem;
  }

  .page-disclaimer__layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 4rem;
  }

  .page-disclaimer__hero {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .page-disclaimer__toc {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
}

/* 打印留存 */
@media print {
  .page-disclaimer::before {
    display: none;
  }

  .page-disclaimer__hero-media,
  .page-disclaimer__toc {
    display: none;
  }

  .page-disclaimer__container {
    padding-top: 0;
  }

  .page-disclaimer__hero {
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    border-bottom-color: #999;
  }

  .page-disclaimer__title {
    color: #111;
  }

  .page-disclaimer__section-body > p,
  .page-disclaimer__clause-content p,
  .page-disclaimer__list,
  .page-disclaimer__outro p {
    color: #222;
  }

  .page-disclaimer__section,
  .page-disclaimer__clause {
    border-bottom-color: #aaa;
  }

  .page-disclaimer__alert {
    background: transparent;
    border-color: #555;
  }
}