/* ===== 乐竞体育 · 使用说明与访问须知 ===== */
.page-disclaimer {
  --clause-bg: rgba(20, 27, 36, 0.72);
  --clause-bg-alt: rgba(26, 35, 48, 0.42);
  --clause-rail: rgba(255, 106, 0, 0.9);
  color: var(--text-main);
  font-family: var(--font-body);
}

/* 页首横幅 */
.disclaimer-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(28px, 5vw, 72px);
  padding-bottom: 8px;
  background:
    linear-gradient(180deg, rgba(10, 14, 20, 0.55) 0%, var(--bg-deep) 100%),
    var(--bg-deep);
}

.disclaimer-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(140px, 38%, 460px);
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.disclaimer-heading {
  max-width: 900px;
  margin-top: 20px;
  padding-left: clamp(16px, 3vw, 28px);
  border-left: 4px solid var(--orange);
}

.disclaimer-heading h1 {
  margin: 8px 0 16px;
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.disclaimer-lead {
  margin: 0;
  max-width: 76ch;
  color: var(--text-sub);
  font-size: 1rem;
  line-height: 1.9;
}

.disclaimer-hero-media {
  position: relative;
  margin-top: clamp(24px, 5vw, 40px);
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-panel);
  box-shadow: var(--shadow-glow);
}

.disclaimer-hero-media img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 400px);
  object-fit: cover;
  object-position: center;
}

.disclaimer-notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 900px;
  margin: 20px 0 0;
  padding: 12px 16px;
  color: var(--text-sub);
  background: rgba(255, 106, 0, 0.08);
  border-left: 3px solid var(--orange);
}

.disclaimer-notice p {
  margin: 0;
  font-size: 0.925rem;
  line-height: 1.7;
}

.notice-mark {
  display: inline-flex;
  flex: 0 0 24px;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 106, 0, 0.16);
  color: var(--orange);
  font-family: var(--font-num);
  font-size: 0.875rem;
  font-weight: 700;
}

/* 条款主体 */
.disclaimer-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
  padding-top: 40px;
  padding-bottom: 64px;
}

/* 目录侧栏 */
.disclaimer-side {
  padding: 20px 18px;
  background: var(--clause-bg);
  border-left: 3px solid var(--orange);
}

.disclaimer-side-title {
  margin: 0 0 12px;
  color: var(--cyan);
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

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

.disclaimer-index li + li {
  margin-top: 6px;
}

.disclaimer-index a {
  color: var(--text-main);
  font-family: var(--font-num);
  font-size: 0.875rem;
  line-height: 1.6;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.disclaimer-index a:hover,
.disclaimer-index a:focus-visible {
  color: var(--cyan);
}

.disclaimer-side-card {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.disclaimer-side-card p {
  margin: 0 0 12px;
  color: var(--text-sub);
  font-size: 0.875rem;
}

.disclaimer-side-card .btn {
  display: block;
  box-sizing: border-box;
  width: 100%;
  margin-top: 8px;
  text-align: center;
}

.disclaimer-side-card .btn:first-child {
  margin-top: 0;
}

/* 条款列表 */
.clause-list {
  display: grid;
  gap: 16px;
}

.clause-block {
  background: var(--clause-bg);
  border: 1px solid transparent;
  border-left: 4px solid var(--clause-rail);
  border-radius: var(--radius-sm);
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.clause-block:nth-of-type(even) {
  background: var(--clause-bg-alt);
}

.clause-block[open] {
  background: var(--clause-bg);
  border-color: var(--line);
}

.clause-block summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 18px;
  cursor: pointer;
  list-style: none;
}

.clause-block summary::-webkit-details-marker {
  display: none;
}

.clause-block summary::after {
  content: "+";
  margin-left: auto;
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1;
  transition: transform var(--transition-fast);
}

.clause-block[open] summary::after {
  content: "−";
}

.clause-num {
  display: inline-flex;
  flex: 0 0 38px;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 193, 7, 0.12);
  color: var(--gold);
  font-family: var(--font-num);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.clause-title {
  margin: 0;
  color: var(--text-main);
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
}

.clause-content {
  padding: 0 18px 22px;
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.85;
}

.clause-content p {
  margin: 0;
}

.clause-content p + p {
  margin-top: 12px;
}

.clause-content ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

.clause-content li + li {
  margin-top: 8px;
}

.clause-content a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.clause-note {
  padding: 10px 14px;
  background: rgba(0, 229, 255, 0.06);
  border-left: 2px solid var(--cyan);
}

/* 联系区 */
.disclaimer-contact {
  padding-top: 0;
  padding-bottom: 64px;
}

.contact-card {
  padding: clamp(24px, 5vw, 40px);
  background: linear-gradient(135deg, var(--bg-panel) 0%, rgba(20, 27, 36, 0.55) 100%);
  border-left: 6px solid var(--gold);
  border-radius: var(--radius);
}

.contact-card h2 {
  margin: 6px 0 14px;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-main);
}

.contact-card p {
  color: var(--text-sub);
  line-height: 1.8;
}

.contact-card .contact-note {
  font-size: 0.875rem;
}

.contact-card .btn {
  margin-top: 20px;
}

/* 桌面端 */
@media (min-width: 900px) {
  .disclaimer-body {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: clamp(36px, 6vw, 72px);
  }

  .disclaimer-side {
    position: sticky;
    top: 24px;
  }

  .clause-content {
    padding: 0 24px 26px 70px;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .clause-content {
    padding-left: 70px;
  }
}

/* 打印友好样式 */
@media print {
  .page-disclaimer .breadcrumb,
  .disclaimer-hero-media,
  .disclaimer-side,
  .disclaimer-contact {
    display: none;
  }

  .disclaimer-hero {
    padding: 0;
    background: none;
  }

  .disclaimer-hero::before {
    display: none;
  }

  .disclaimer-heading {
    margin-top: 0;
    padding-left: 0;
    border-left: none;
  }

  .disclaimer-lead {
    color: #333;
  }

  .disclaimer-notice {
    margin-top: 12px;
    background: none;
    border-left-color: #999;
  }

  .disclaimer-body {
    display: block;
    padding: 20px 0 0;
  }

  .clause-list {
    display: block;
  }

  .clause-block,
  .clause-block[open],
  .clause-block:nth-of-type(even) {
    background: none;
    border: none;
    border-bottom: 1px solid #ccc;
    border-radius: 0;
  }

  .clause-block summary,
  .clause-block[open] summary {
    display: block;
    padding: 10px 0 6px;
  }

  .clause-block summary::after {
    content: "";
  }

  .clause-content {
    padding: 0 0 12px;
    font-size: 0.875rem;
  }

  .clause-num {
    background: none;
    color: #000;
  }
}

/* 动效减敏 */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: 0.01ms !important;
  }
}