/* ===== 使用说明与免责声明 · 页面专属样式 ===== */
.page-disclaimer {
  position: relative;
  padding-top: clamp(24px, 5vw, 56px);
  padding-bottom: clamp(64px, 8vw, 112px);
  scroll-margin-top: 88px;
}

/* 极淡网格纹理 */
.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 46px 46px;
}

.page-disclaimer > .container {
  position: relative;
  z-index: 1;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 36px);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* 文档框架 */
.disclaimer-document {
  position: relative;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
  padding: clamp(28px, 5vw, 64px);
  background: linear-gradient(150deg, rgba(15, 39, 70, 0.78), rgba(10, 26, 58, 0.92));
  border: 1px solid rgba(217, 167, 74, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 219, 157, 0.04);
}

/* 顶部金色光晕 */
.disclaimer-document::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(242, 177, 67, 0.55), transparent);
  pointer-events: none;
}

/* 四角金色角标 */
.corner {
  position: absolute;
  width: 24px;
  height: 24px;
  z-index: 2;
  pointer-events: none;
}
.corner-tl {
  top: 12px;
  left: 12px;
  border-top: 2px solid rgba(217, 167, 74, 0.8);
  border-left: 2px solid rgba(217, 167, 74, 0.8);
  border-top-left-radius: 6px;
}
.corner-tr {
  top: 12px;
  right: 12px;
  border-top: 2px solid rgba(217, 167, 74, 0.8);
  border-right: 2px solid rgba(217, 167, 74, 0.8);
  border-top-right-radius: 6px;
}
.corner-bl {
  bottom: 12px;
  left: 12px;
  border-bottom: 2px solid rgba(217, 167, 74, 0.8);
  border-left: 2px solid rgba(217, 167, 74, 0.8);
  border-bottom-left-radius: 6px;
}
.corner-br {
  bottom: 12px;
  right: 12px;
  border-bottom: 2px solid rgba(217, 167, 74, 0.8);
  border-right: 2px solid rgba(217, 167, 74, 0.8);
  border-bottom-right-radius: 6px;
}

/* 首屏标题区 */
.disclaimer-hero {
  padding-bottom: clamp(24px, 4vw, 36px);
  border-bottom: 1px solid rgba(217, 167, 74, 0.16);
}

.disclaimer-hero .eyebrow {
  margin-bottom: 14px;
}

.disclaimer-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--white);
}

.disclaimer-lede {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 2;
  color: rgba(255, 255, 255, 0.78);
  max-width: 36em;
}

/* 章节通用 */
.disclaimer-section {
  padding-top: clamp(28px, 4vw, 44px);
}

.disclaimer-section + .disclaimer-section {
  margin-top: clamp(12px, 2vw, 20px);
  border-top: 1px solid rgba(217, 167, 74, 0.16);
}

.disclaimer-section h2 {
  margin: 0 0 18px;
  padding-left: 18px;
  position: relative;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--white);
}

.disclaimer-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  width: 3px;
  height: 1.1em;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gold), var(--gold-edge));
}

.disclaimer-section-idx {
  display: inline-block;
  margin-right: 12px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--gold-dim);
  background: rgba(242, 177, 67, 0.1);
  border: 1px solid rgba(217, 167, 74, 0.3);
  border-radius: 4px;
  vertical-align: 0.22em;
}

.disclaimer-section p {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.78);
}

.disclaimer-section p:last-child {
  margin-bottom: 0;
}

/* 重点句霓虹紫高亮 */
.page-disclaimer .disclaimer-section .disclaimer-highlight {
  display: block;
  margin: 24px 0 4px;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 2;
  color: var(--purple-pale);
  background: linear-gradient(90deg, rgba(165, 75, 255, 0.14), rgba(165, 75, 255, 0.02) 82%);
  border-left: 2px solid var(--purple);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  text-shadow: 0 0 20px rgba(165, 75, 255, 0.22);
}

/* 印章分隔线 */
.disclaimer-seal {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: clamp(28px, 5vw, 48px) 0 clamp(12px, 2vw, 20px);
}

.disclaimer-seal::before,
.disclaimer-seal::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 167, 74, 0.38), transparent);
}

.disclaimer-seal img {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid rgba(217, 167, 74, 0.45);
  box-shadow: 0 0 28px rgba(242, 177, 67, 0.1), inset 0 0 12px rgba(0, 0, 0, 0.15);
  opacity: 0.85;
  filter: sepia(0.65) saturate(1.4) brightness(1.05) contrast(0.96);
  transform: rotate(-6deg);
}

/* 联系方式卡片 */
.disclaimer-contact-card {
  margin: 22px 0 18px;
  padding: 8px 20px 10px;
  background: rgba(10, 26, 58, 0.5);
  border: 1px solid rgba(217, 167, 74, 0.22);
  border-radius: var(--radius-md);
}

.disclaimer-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.disclaimer-contact-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(217, 167, 74, 0.1);
}

.disclaimer-contact-list li:last-child {
  border-bottom: none;
}

.disclaimer-contact-label {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold-dim);
}

.disclaimer-contact-value {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  overflow-wrap: anywhere;
}

.disclaimer-contact-value a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 177, 67, 0.35);
  transition: color var(--transition), border-color var(--transition);
}

.disclaimer-contact-value a:hover,
.disclaimer-contact-value a:focus-visible {
  color: var(--gold-dim);
  border-bottom-color: var(--gold);
}

/* 相关链接 */
.page-disclaimer .disclaimer-section .disclaimer-related {
  margin: 26px 0 4px;
  padding-top: 18px;
  border-top: 1px dashed rgba(217, 167, 74, 0.18);
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.64);
}

.disclaimer-related a {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-color: rgba(242, 177, 67, 0.4);
  text-underline-offset: 4px;
  transition: color var(--transition), text-decoration-color var(--transition);
}

.disclaimer-related a:hover,
.disclaimer-related a:focus-visible {
  color: var(--gold-dim);
  text-decoration-color: var(--gold);
}

/* 返回顶部 */
.backtop-wrap {
  display: flex;
  justify-content: center;
  margin-top: clamp(28px, 5vw, 48px);
}

.backtop-btn {
  min-height: 44px;
  padding: 12px 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(217, 167, 74, 0.4);
  border-radius: 999px;
  background: rgba(15, 39, 70, 0.7);
  backdrop-filter: blur(10px);
  color: var(--gold-dim);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: var(--transition);
}

.backtop-btn:hover,
.backtop-btn:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
}

.backtop-arrow {
  display: inline-block;
  font-size: 18px;
  line-height: 1;
}

/* 页面级焦点样式 */
.page-disclaimer a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-disclaimer {
    padding-top: clamp(48px, 7vw, 80px);
    padding-bottom: clamp(88px, 10vw, 128px);
  }

  .page-disclaimer .breadcrumb {
    font-size: 14px;
  }

  .disclaimer-document {
    padding: clamp(40px, 5vw, 72px);
  }

  .disclaimer-hero h1 {
    font-size: clamp(34px, 4vw, 46px);
    max-width: 16em;
  }

  .disclaimer-section p,
  .page-disclaimer .disclaimer-section .disclaimer-highlight {
    font-size: 16px;
    line-height: 2.05;
  }

  .disclaimer-section-idx {
    font-size: 12px;
    padding: 4px 9px;
  }

  .disclaimer-seal {
    margin-top: clamp(36px, 5vw, 56px);
    margin-bottom: clamp(16px, 2vw, 28px);
  }

  .disclaimer-seal img {
    width: 84px;
    height: 84px;
  }

  .disclaimer-contact-list li {
    flex-direction: row;
    align-items: baseline;
    gap: 16px;
    padding: 14px 8px;
  }

  .disclaimer-contact-label {
    min-width: 6.5em;
    flex-shrink: 0;
    font-size: 13px;
  }

  .disclaimer-contact-value {
    font-size: 15px;
  }

  .backtop-btn {
    padding: 14px 28px;
    font-size: 15px;
  }
}