/* ============================================================
   页面：使用说明与免责声明（/disclaimer/）
   作用域：.page-disclaimer
   移动端优先，桌面端增强
   ============================================================ */
.page-disclaimer {
  --pd-bg-deep: #0A1128;
  --pd-line: #3A3A5C;
  --pd-accent: #7B2FF7;
  --pd-accent-2: #FF9F1C;
  --pd-text: #FFFFFF;
  --pd-sub: #A9A9C4;
  --pd-block-space: 4rem;

  background-color: var(--pd-bg-deep);
  color: var(--pd-text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-disclaimer .container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
  width: 100%;
  box-sizing: border-box;
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer .page-head {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--pd-line);
  padding-top: 8.5rem;
  padding-bottom: 3rem;
}

.page-disclaimer .disclaimer-hero {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.55) contrast(1.05);
  z-index: 0;
}

.page-disclaimer .page-head__inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.page-disclaimer .page-head .breadcrumb {
  margin-bottom: 2rem;
}

.page-disclaimer .page-head__inner .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pd-accent-2);
  margin: 0 0 1rem;
}

.page-disclaimer .page-head__inner .eyebrow::before {
  content: "";
  width: 2.75rem;
  height: 2px;
  background: linear-gradient(90deg, var(--pd-accent-2), transparent);
  border-radius: 2px;
}

.page-disclaimer .page-title {
  font-family: Impact, Anton, "Arial Black", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.15;
  margin: 0 0 1.1rem;
  text-transform: uppercase;
}

.page-disclaimer .page-head::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--pd-accent) 0%, transparent 42%, var(--pd-accent-2) 70%, transparent 100%);
  z-index: 1;
}

.page-disclaimer .page-lead {
  font-size: 1rem;
  color: var(--pd-sub);
  margin: 0;
  max-width: 640px;
  border-left: 3px solid var(--pd-accent-2);
  padding-left: 1rem;
}

/* ---------- 主体外壳：侧边目录 + 内容 ---------- */
.page-disclaimer .disclaimer-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-top: 3rem;
  padding-bottom: 4.5rem;
}

/* ---------- 侧边章节导航 ---------- */
.page-disclaimer .disclaimer-toc {
  height: fit-content;
  max-height: calc(100vh - 7rem);
  overflow-y: auto;
  display: none;
  position: sticky;
  top: 7rem;
  padding: 1.4rem 1.5rem;
  background: rgba(15, 20, 45, 0.82);
  border: 1px solid rgba(123, 47, 247, 0.35);
  border-radius: 1rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.page-disclaimer .disclaimer-toc__label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--pd-accent-2);
  margin-bottom: 0.9rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--pd-line);
}

.page-disclaimer .disclaimer-toc__list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.page-disclaimer .disclaimer-toc__list a {
  display: block;
  color: var(--pd-text);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 0.35rem 0.6rem;
  border-radius: 0.5rem;
  transition: background-color 0.18s, color 0.18s, padding-left 0.18s;
}

.page-disclaimer .disclaimer-toc__list a:hover,
.page-disclaimer .disclaimer-toc__list a:focus {
  background-color: rgba(123, 47, 247, 0.16);
  color: var(--pd-accent-2);
  padding-left: 0.85rem;
}

/* ---------- 条款内容区 ---------- */
.page-disclaimer .disclaimer-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* ---------- 条款块 ---------- */
.page-disclaimer .terms-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--pd-line);
  position: relative;
}

.page-disclaimer .terms-block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .terms-block__index {
  font-family: Impact, Anton, "Arial Black", sans-serif;
  font-size: 2.5rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 159, 28, 0.45);
  letter-spacing: 0.02em;
  user-select: none;
}

.page-disclaimer .terms-block__title {
  font-family: Impact, Anton, "Arial Black", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.015em;
  margin: 0 0 1rem;
  line-height: 1.25;
  position: relative;
  display: inline-block;
}

.page-disclaimer .terms-block__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 3.2rem;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--pd-accent-2), transparent);
}

.page-disclaimer .terms-block__intro {
  color: var(--pd-text);
  font-size: 1rem;
  margin: 0 0 1.25rem;
}

.page-disclaimer .terms-block__body > p {
  margin: 0 0 1.1rem;
  color: #CFCFE2;
  font-size: 0.95rem;
}

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

/* ---------- 规则清单 ---------- */
.page-disclaimer .rule-list {
  margin: 1.4rem 0 1.6rem;
  border-top: 1px solid var(--pd-line);
  border-bottom: 1px solid var(--pd-line);
}

.page-disclaimer .rule-item {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: 0.8rem;
  align-items: start;
  padding: 1.05rem 0;
  border-bottom: 1px solid rgba(58, 58, 92, 0.55);
}

.page-disclaimer .rule-item:last-child {
  border-bottom: 0;
}

.page-disclaimer .rule-item__dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background-color: var(--pd-accent);
  margin-top: 0.55rem;
  box-shadow: 0 0 0 3px rgba(123, 47, 247, 0.16);
  flex-shrink: 0;
}

.page-disclaimer .rule-item p {
  margin: 0;
  color: #CFCFE2;
  font-size: 0.95rem;
}

.page-disclaimer .rule-item strong {
  color: var(--pd-text);
  font-weight: 600;
}

.page-disclaimer .terms-note {
  font-size: 0.875rem;
  color: var(--pd-sub);
  border-left: 3px solid var(--pd-accent-2);
  padding-left: 1rem;
}

/* ---------- 免责声明子标题 ---------- */
.page-disclaimer .terms-subhead {
  font-family: Impact, Anton, "Arial Black", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 1.6rem 0 0.5rem;
  color: var(--pd-text);
}

.page-disclaimer .terms-subhead::before {
  content: "§ ";
  color: var(--pd-accent-2);
  font-weight: 700;
}

/* ---------- 联系卡片 ---------- */
.page-disclaimer .disclaimer-contact {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.8rem;
  padding: 1.6rem 1.6rem 1.4rem;
  background:
    linear-gradient(135deg, rgba(123, 47, 247, 0.12), transparent 62%),
    rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(123, 47, 247, 0.3);
  border-radius: 1rem;
  font-style: normal;
}

.page-disclaimer .disclaimer-contact__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-disclaimer .disclaimer-contact__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pd-sub);
}

.page-disclaimer .disclaimer-contact__value {
  font-size: 1rem;
  color: var(--pd-text);
  word-break: break-all;
}

/* ---------- 相关页面链接 ---------- */
.page-disclaimer .related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  padding-top: 2rem;
  border-top: 1px solid var(--pd-line);
}

.page-disclaimer .related-links__label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pd-sub);
}

.page-disclaimer .related-links__item {
  color: var(--pd-accent-2);
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s, color 0.18s;
}

.page-disclaimer .related-links__item:hover,
.page-disclaimer .related-links__item:focus {
  border-bottom-color: var(--pd-accent-2);
  color: #FFC46B;
}

.page-disclaimer .related-links__sep {
  color: var(--pd-line);
}

/* ---------- 移动端底部目录 ---------- */
@media (max-width: 899px) {
  .page-disclaimer .disclaimer-toc--mobile {
    display: block;
    position: static;
    max-height: none;
    margin-bottom: 0.5rem;
    backdrop-filter: none;
  }

  .page-disclaimer .disclaimer-toc--mobile .disclaimer-toc__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.25rem 0.6rem;
  }

  .page-disclaimer .disclaimer-toc--mobile .disclaimer-toc__list a {
    font-size: 0.8rem;
    padding: 0.25rem 0.4rem;
    border: 1px solid var(--pd-line);
    border-radius: 999px;
  }

  .page-disclaimer .disclaimer-toc--mobile .disclaimer-toc__list a:hover,
  .page-disclaimer .disclaimer-toc--mobile .disclaimer-toc__list a:focus {
    background: rgba(123, 47, 247, 0.14);
    color: var(--pd-accent-2);
    border-color: var(--pd-accent);
  }
}

/* ---------- 桌面端：≥900px ---------- */
@media (min-width: 900px) {
  .page-disclaimer {
    font-size: 1rem;
  }

  .page-disclaimer .page-head {
    padding-top: 8rem;
  }

  .page-disclaimer .page-title {
    font-size: 2.75rem;
  }

  .page-disclaimer .disclaimer-shell {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 4rem;
    align-items: start;
  }

  .page-disclaimer .disclaimer-toc {
    display: block;
    grid-column: 1;
    grid-row: 1;
    position: sticky;
  }

  .page-disclaimer .disclaimer-content {
    grid-column: 2;
    grid-row: 1;
    gap: 3.5rem;
  }

  .page-disclaimer .terms-block {
    padding-top: 3rem;
  }

  .page-disclaimer .terms-block__title {
    font-size: 1.7rem;
  }

  .page-disclaimer .terms-block__index {
    font-size: 3.2rem;
  }

  .page-disclaimer .terms-block__body > p,
  .page-disclaimer .rule-item p {
    font-size: 1rem;
  }

  .page-disclaimer .disclaimer-contact {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 1.8rem 2rem;
  }

  .page-disclaimer .disclaimer-contact__item {
    min-width: 220px;
  }

  .page-disclaimer .disclaimer-hero {
    opacity: 0.22;
  }

  .page-disclaimer .related-links {
    justify-content: flex-end;
  }
}

/* ---------- 超宽屏 ---------- */
@media (min-width: 1280px) {
  .page-disclaimer .disclaimer-shell {
    grid-template-columns: 260px minmax(0, 760px) minmax(0, 1fr);
    gap: 0;
  }

  .page-disclaimer .disclaimer-toc {
    grid-column: 1;
    grid-row: 1;
    margin-right: 4rem;
  }

  .page-disclaimer .disclaimer-content {
    grid-column: 2;
    grid-row: 1;
  }
}

/* ---------- 细节增强 ---------- */
.page-disclaimer .terms-block__title,
.page-disclaimer .terms-subhead,
.page-disclaimer .disclaimer-toc__list a {
  text-decoration: none;
}

.page-disclaimer strong {
  font-weight: 600;
  color: #FFFFFF;
}

.page-disclaimer img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-disclaimer ::selection {
  background-color: rgba(255, 159, 28, 0.28);
  color: #FFFFFF;
}

.page-disclaimer .terms-block__body a {
  color: var(--pd-accent-2);
}

.page-disclaimer .terms-block__body a:hover {
  color: #FFC46B;
}