/* ===== 使用说明页（page-disclaimer）专属样式 ===== */
.page-disclaimer {
  background: #FFFFFF;
  color: var(--color-text-sub);
  overflow-x: hidden;
}

/* ===== Hero 首屏 ===== */
.page-disclaimer__hero {
  position: relative;
  padding: 32px 0 40px;
  background:
    radial-gradient(circle at 85% 16%, rgba(212, 175, 55, 0.10) 0%, transparent 140px),
    linear-gradient(180deg, #FFFFFF 0%, var(--color-bg-light) 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-disclaimer__hero::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--color-primary) 0 20%,
    #FFFFFF 20% 26%,
    var(--color-accent) 26% 48%,
    #FFFFFF 48% 55%,
    var(--color-gold) 55% 100%
  );
}

.page-disclaimer__hero .breadcrumb {
  margin-bottom: 32px;
}

.page-disclaimer__eyebrow {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.page-disclaimer__title {
  margin: 0 0 16px;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-disclaimer__lead {
  max-width: 64ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-sub);
}

/* ===== 本页索引 ===== */
.page-disclaimer__toc {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
}

.page-disclaimer__toc-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
}

.page-disclaimer__toc-label {
  margin-right: 4px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-gold);
}

.page-disclaimer__toc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  background: #FFFFFF;
  color: var(--color-primary);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-disclaimer__toc-link:hover {
  background: var(--color-bg-light);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-disclaimer__toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold);
}

/* ===== 条款正文 ===== */
.page-disclaimer__content {
  background: #FFFFFF;
}

.page-disclaimer__document {
  max-width: 880px;
  margin: 0 auto;
}

.page-disclaimer__clause {
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.page-disclaimer__clause:first-child {
  border-top: 1px solid var(--color-border);
}

.page-disclaimer__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 24px 0 0;
}

.page-disclaimer__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer__summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.page-disclaimer__clause-mark {
  flex: 0 0 44px;
  min-width: 44px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.28;
}

.page-disclaimer__clause-heading {
  display: block;
  flex: 1 1 auto;
}

.page-disclaimer__clause-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.35;
}

.page-disclaimer__clause-subtitle {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--color-gold);
}

.page-disclaimer__clause-toggle {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  margin-top: 4px;
}

.page-disclaimer__clause-toggle::before,
.page-disclaimer__clause-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-primary);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.page-disclaimer__clause-toggle::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-disclaimer__clause-toggle::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-disclaimer__details[open] .page-disclaimer__clause-toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-disclaimer__details:not([open]) .page-disclaimer__clause-toggle::before,
.page-disclaimer__details:not([open]) .page-disclaimer__clause-toggle::after {
  background: var(--color-accent);
}

.page-disclaimer__clause-body {
  padding: 14px 0 28px;
}

.page-disclaimer__clause-body p {
  margin: 0 0 1em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text-sub);
}

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

.page-disclaimer__clause-body ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer__clause-body li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-sub);
}

.page-disclaimer__clause-body li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  transform: rotate(45deg);
}

/* ===== 温馨提示 ===== */
.page-disclaimer__note {
  padding: 24px 0;
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}

.page-disclaimer__note-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 20px;
  border-left: 3px solid var(--color-gold);
  background: #FFFFFF;
}

.page-disclaimer__note-badge {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.page-disclaimer__note-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-sub);
}

/* ===== 底部继续了解 ===== */
.page-disclaimer__closing {
  padding: 40px 0 56px;
  background: #FFFFFF;
}

.page-disclaimer__closing-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-disclaimer__closing-media {
  max-width: 416px;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-light);
  transform: rotate(-1deg);
}

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

.page-disclaimer__closing-links {
  max-width: 52ch;
}

.page-disclaimer__closing-links p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-sub);
}

.page-disclaimer__closing-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.3;
  color: var(--color-primary);
}

.page-disclaimer__closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 平板 / 桌面断点 ===== */
@media (min-width: 768px) {
  .page-disclaimer__hero {
    padding: 48px 0 64px;
  }

  .page-disclaimer__hero::before {
    height: 8px;
  }

  .page-disclaimer__hero .breadcrumb {
    margin-bottom: 44px;
  }

  .page-disclaimer__title {
    font-size: 3.4rem;
  }

  .page-disclaimer__lead {
    font-size: 17px;
  }

  .page-disclaimer__toc-nav {
    flex-wrap: nowrap;
    gap: 10px;
    padding: 20px 0;
  }

  .page-disclaimer__toc-link {
    padding: 10px 16px;
  }

  .page-disclaimer__clause {
    padding: 0;
  }

  .page-disclaimer__summary {
    gap: 20px;
    padding-top: 36px;
  }

  .page-disclaimer__clause-mark {
    flex-basis: 84px;
    min-width: 84px;
    font-size: 3.25rem;
  }

  .page-disclaimer__clause-title {
    font-size: 24px;
  }

  .page-disclaimer__clause-body {
    padding: 20px 0 40px 104px;
  }

  .page-disclaimer__note {
    padding: 32px 0;
  }

  .page-disclaimer__note-card {
    flex-direction: row;
    gap: 16px;
    padding: 20px 28px;
  }

  .page-disclaimer__closing {
    padding: 56px 0 72px;
  }

  .page-disclaimer__closing-grid {
    grid-template-columns: minmax(280px, 1fr) 1.2fr;
    gap: 48px;
  }
}