.page-disclaimer {
  --pd-bg: #1A1A2E;
  --pd-brand: #E63946;
  --pd-blue: #00B4D8;
  --pd-silver: #C0C0C0;
  --pd-white: #FFFFFF;
  --pd-text: #E0E0E0;
  --pd-muted: #9CA3AF;
  --pd-border: #2E2E4A;
  --pd-font-heading: 'Inter', 'Poppins', system-ui, sans-serif;
  --pd-font-body: 'Inter', system-ui, sans-serif;
  --pd-side-width: 240px;
  --pd-max-width: 960px;

  display: block;
  width: 100%;
  max-width: 100%;
  background: var(--pd-bg);
  color: var(--pd-text);
  font-family: var(--pd-font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* ────── 顶部留白与进度条 ────── */
.page-disclaimer__hero {
  position: relative;
  padding: 4rem 1.5rem 2.5rem;
  text-align: center;
  overflow: hidden;
}

.page-disclaimer__hero-lines {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 28px,
      rgba(0, 180, 216, 0.04) 28px,
      rgba(0, 180, 216, 0.04) 29px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 28px,
      rgba(0, 180, 216, 0.04) 28px,
      rgba(0, 180, 216, 0.04) 29px
    );
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer__hero-icon {
  position: relative;
  z-index: 1;
  width: 90px;
  height: 90px;
  object-fit: contain;
  opacity: 0.7;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 12px rgba(0, 180, 216, 0.15));
}

.page-disclaimer__hero-text {
  position: relative;
  z-index: 1;
}

.page-disclaimer__hero .section-label {
  display: inline-block;
  font-family: var(--pd-font-heading);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--pd-blue);
  background: rgba(0, 180, 216, 0.08);
  padding: 0.2rem 0.8rem;
  border-radius: 0;
  margin-bottom: 0.5rem;
  border: 1px solid rgba(0, 180, 216, 0.15);
}

.page-disclaimer__title {
  font-family: var(--pd-font-heading);
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--pd-white);
  margin: 0 0 0.5rem;
  line-height: 1.1;
  text-transform: uppercase;
  transform: skewX(-2deg);
}

.page-disclaimer__subtitle {
  font-size: 0.95rem;
  color: var(--pd-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.6;
}

.page-disclaimer__hero-indicator {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--pd-border);
  z-index: 2;
}

.page-disclaimer__hero-indicator::after {
  content: '';
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--pd-blue), var(--pd-brand));
  transition: width 0.15s ease-out;
}

/* ────── 面包屑 ────── */
.page-disclaimer__breadcrumb {
  max-width: var(--pd-max-width);
  margin: 0 auto;
  padding: 0.5rem 1.5rem 1.5rem;
  font-size: 0.8rem;
  color: var(--pd-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.page-disclaimer__breadcrumb a {
  color: var(--pd-blue);
  text-decoration: none;
  transition: color 0.2s ease-out;
}

.page-disclaimer__breadcrumb a:hover {
  color: var(--pd-white);
}

.page-disclaimer__breadcrumb-sep {
  color: var(--pd-border);
  font-weight: 300;
}

.page-disclaimer__breadcrumb-current {
  color: var(--pd-silver);
  font-weight: 500;
}

/* ────── 内容主体 ────── */
.page-disclaimer__content {
  max-width: var(--pd-max-width);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* ────── 章节 ────── */
.page-disclaimer__chapter {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: flex-start;
}

.page-disclaimer__chapter-number {
  flex: 0 0 48px;
  font-family: var(--pd-font-heading);
  font-size: 2rem;
  font-weight: 200;
  color: var(--pd-blue);
  letter-spacing: -0.04em;
  line-height: 1;
  transform: skewX(-3deg);
  opacity: 0.6;
  text-align: right;
}

.page-disclaimer__chapter-body {
  flex: 1;
  min-width: 0;
}

.page-disclaimer__chapter-heading {
  font-family: var(--pd-font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--pd-white);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
  transform: skewX(-1deg);
}

.page-disclaimer__chapter-intro {
  font-size: 0.95rem;
  color: var(--pd-silver);
  margin: 0 0 1.25rem;
  line-height: 1.7;
  border-left: 2px solid var(--pd-blue);
  padding-left: 1rem;
}

/* ────── 列表 ────── */
.page-disclaimer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-disclaimer__list-item {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.92rem;
  color: var(--pd-text);
  line-height: 1.7;
}

.page-disclaimer__list-item::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--pd-blue);
  font-weight: 300;
}

/* ────── 分割线 ────── */
.page-disclaimer__divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--pd-border), transparent);
  margin: 1.5rem 0 0.5rem;
}

/* ────── 卡片网格 ────── */
.page-disclaimer__card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0 0 0.5rem;
}

.page-disclaimer__card {
  position: relative;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--pd-border);
  padding: 1.25rem 1.25rem 1.25rem 1.75rem;
  transition: border-color 0.25s ease-out, background 0.25s ease-out;
}

.page-disclaimer__card:hover {
  border-color: rgba(0, 180, 216, 0.25);
  background: rgba(0, 180, 216, 0.03);
}

.page-disclaimer__card-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--pd-blue);
  opacity: 0.4;
  transition: opacity 0.25s ease-out;
}

.page-disclaimer__card:hover .page-disclaimer__card-accent {
  opacity: 1;
  background: var(--pd-brand);
}

.page-disclaimer__card-title {
  font-family: var(--pd-font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--pd-white);
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}

.page-disclaimer__card-text {
  font-size: 0.88rem;
  color: var(--pd-muted);
  line-height: 1.7;
  margin: 0;
}

/* ────── 知识产权区块 ────── */
.page-disclaimer__ip-box {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 0 0 0.5rem;
}

.page-disclaimer__ip-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--pd-border);
  padding: 1rem 1.25rem;
}

.page-disclaimer__ip-icon {
  flex: 0 0 2.2rem;
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--pd-blue);
  line-height: 1;
  text-align: center;
  transform: skewX(-3deg);
}

.page-disclaimer__ip-title {
  font-family: var(--pd-font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--pd-white);
  margin: 0 0 0.25rem;
}

.page-disclaimer__ip-text {
  font-size: 0.88rem;
  color: var(--pd-muted);
  line-height: 1.7;
  margin: 0;
}

/* ────── 更新提示 ────── */
.page-disclaimer__update-note {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(230, 57, 70, 0.06);
  border: 1px solid rgba(230, 57, 70, 0.15);
  padding: 0.75rem 1.25rem;
  margin: 0 0 0.5rem;
}

.page-disclaimer__update-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--pd-silver);
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.page-disclaimer__update-value {
  font-size: 0.88rem;
  color: var(--pd-white);
  font-weight: 400;
}

/* ────── 联系区块 ────── */
.page-disclaimer__contact-block {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: rgba(0, 180, 216, 0.03);
  border: 1px solid var(--pd-border);
  padding: 1.25rem 1.5rem;
  margin: 0 0 0.75rem;
}

.page-disclaimer__contact-row {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  font-size: 0.92rem;
}

.page-disclaimer__contact-label {
  flex: 0 0 4rem;
  font-weight: 500;
  color: var(--pd-blue);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.page-disclaimer__contact-value {
  color: var(--pd-white);
  font-weight: 400;
  word-break: break-word;
}

.page-disclaimer__contact-note {
  font-size: 0.82rem;
  color: var(--pd-muted);
  margin: 0;
  font-style: italic;
  border-left: 2px solid var(--pd-brand);
  padding-left: 0.75rem;
}

/* ────── 返回顶部 ────── */
.page-disclaimer__back-top {
  text-align: center;
  margin: 3rem 0 1.5rem;
}

.page-disclaimer__back-link {
  display: inline-block;
  font-family: var(--pd-font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--pd-blue);
  text-decoration: none;
  border: 1px solid var(--pd-blue);
  padding: 0.5rem 1.8rem;
  transition: all 0.25s ease-out;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.page-disclaimer__back-link:hover {
  background: var(--pd-blue);
  color: var(--pd-bg);
}

/* ────── 底部相关链接 ────── */
.page-disclaimer__footer-links {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--pd-border);
  margin-top: 1rem;
}

.page-disclaimer__footer-label {
  display: block;
  font-size: 0.78rem;
  color: var(--pd-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.page-disclaimer__footer-link-group {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.page-disclaimer__footer-link {
  font-size: 0.92rem;
  color: var(--pd-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease-out;
}

.page-disclaimer__footer-link:hover {
  color: var(--pd-white);
  border-bottom-color: var(--pd-brand);
}

/* ────── 响应式：桌面端 ────── */
@media (min-width: 768px) {
  .page-disclaimer__hero {
    padding: 6rem 2rem 3rem;
  }

  .page-disclaimer__hero-icon {
    width: 120px;
    height: 120px;
    margin-bottom: 1.25rem;
  }

  .page-disclaimer__title {
    font-size: 4rem;
  }

  .page-disclaimer__subtitle {
    font-size: 1.05rem;
  }

  .page-disclaimer__content {
    padding: 0 2rem 5rem;
  }

  .page-disclaimer__chapter {
    gap: 2.5rem;
    margin-bottom: 3.5rem;
  }

  .page-disclaimer__chapter-number {
    flex: 0 0 72px;
    font-size: 3rem;
  }

  .page-disclaimer__chapter-heading {
    font-size: 2rem;
  }

  .page-disclaimer__chapter-intro {
    font-size: 1rem;
    padding-left: 1.25rem;
  }

  .page-disclaimer__card-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .page-disclaimer__card {
    padding: 1.5rem 1.5rem 1.5rem 2rem;
  }

  .page-disclaimer__ip-box {
    flex-direction: row;
    gap: 1.25rem;
  }

  .page-disclaimer__ip-item {
    flex: 1;
    padding: 1.25rem 1.5rem;
  }

  .page-disclaimer__contact-block {
    padding: 1.5rem 2rem;
  }

  .page-disclaimer__contact-row {
    font-size: 1rem;
  }

  .page-disclaimer__contact-label {
    flex: 0 0 5rem;
  }

  .page-disclaimer__update-note {
    padding: 1rem 1.5rem;
  }

  .page-disclaimer__back-link {
    font-size: 0.9rem;
    padding: 0.6rem 2.2rem;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer__hero {
    padding: 8rem 2rem 3.5rem;
  }

  .page-disclaimer__title {
    font-size: 4.8rem;
  }

  .page-disclaimer__chapter-number {
    flex: 0 0 88px;
    font-size: 3.6rem;
  }

  .page-disclaimer__card-grid {
    gap: 1.5rem;
  }
}

/* ────── 窄屏安全 ────── */
@media (max-width: 480px) {
  .page-disclaimer__chapter {
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-disclaimer__chapter-number {
    text-align: left;
    flex: 0 0 auto;
    font-size: 1.6rem;
  }

  .page-disclaimer__title {
    font-size: 2rem;
  }

  .page-disclaimer__breadcrumb {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .page-disclaimer__content {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .page-disclaimer__contact-row {
    flex-direction: column;
    gap: 0.15rem;
  }

  .page-disclaimer__ip-item {
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-disclaimer__ip-icon {
    text-align: left;
  }
}