/* ===== 使用条款页 · page-disclaimer ===== */

.page-disclaimer {
  --pd-rule: rgba(176, 138, 62, 0.28);
  --pd-tint: rgba(176, 138, 62, 0.08);
  --pd-hit: rgba(176, 138, 62, 0.16);
  background: var(--paper);
  color: var(--ink-800);
  font-family: var(--font-sans);
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
  border-radius: var(--radius-s);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .terms-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-800);
  color: var(--paper);
  padding: 24px 0 0;
  scroll-margin-top: 90px;
}

.page-disclaimer .terms-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(176, 138, 62, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(176, 138, 62, 0.14) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(120% 100% at 8% 0%, #000 22%, transparent 76%);
  mask-image: radial-gradient(120% 100% at 8% 0%, #000 22%, transparent 76%);
  opacity: 0.75;
}

.page-disclaimer .terms-hero .breadcrumbs__link,
.page-disclaimer .terms-hero .breadcrumbs__current {
  color: var(--mist);
}

.page-disclaimer .terms-hero .breadcrumbs__link:hover {
  color: var(--gold-300);
}

.page-disclaimer .terms-hero .breadcrumbs__sep {
  color: var(--gold-700);
}

.page-disclaimer .terms-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 7vw, 46px);
  line-height: 1.26;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-disclaimer .terms-hero__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .terms-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-hero__meta .tag {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--pd-rule);
  border-radius: var(--radius-s);
  background: rgba(176, 138, 62, 0.1);
  color: var(--gold-300);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.page-disclaimer .terms-hero__figure {
  margin-top: 28px;
}

.page-disclaimer .terms-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--pd-rule);
  border-bottom: 0;
  border-radius: var(--radius-m) var(--radius-m) 0 0;
  object-fit: cover;
}

/* ---------- 页面目录 ---------- */
.page-disclaimer .terms-toc-band {
  background: var(--ink-700);
  color: var(--paper);
  padding: 20px 0 30px;
}

.page-disclaimer .terms-toc {
  border-top: 1px solid var(--pd-rule);
  padding-top: 14px;
}

.page-disclaimer .terms-toc__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  list-style: none;
  cursor: pointer;
  color: var(--gold-300);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-disclaimer .terms-toc__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .terms-toc__count {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-disclaimer .terms-toc__chev {
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--gold-300);
  border-bottom: 1.5px solid var(--gold-300);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-disclaimer .terms-toc[open] .terms-toc__chev {
  transform: rotate(-135deg);
}

.page-disclaimer .terms-toc__list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-disclaimer .terms-toc__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-s);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .terms-toc__link:hover {
  background: var(--ink-600);
  color: var(--gold-300);
}

.page-disclaimer .terms-toc__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-600);
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .terms-body {
  padding: 44px 0 52px;
  background: var(--paper);
}

.page-disclaimer .terms-body__title {
  margin: 0 0 22px;
  padding-left: 12px;
  border-left: 3px solid var(--gold-600);
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-800);
}

.page-disclaimer .terms-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 880px;
}

.page-disclaimer .terms-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 20px 6px 20px 0;
  border-bottom: 1px solid var(--stone);
  scroll-margin-top: 96px;
  transition: background var(--dur) var(--ease);
}

.page-disclaimer .terms-item:first-child {
  border-top: 1px solid var(--stone);
}

.page-disclaimer .terms-item:hover {
  background: var(--pd-tint);
}

.page-disclaimer .terms-item:target {
  background: var(--pd-hit);
}

.page-disclaimer .terms-item__num {
  display: block;
  padding-left: 8px;
  border-left: 2px solid var(--gold-600);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--gold-700);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .terms-item__num:hover {
  color: var(--cinnabar);
  border-left-color: var(--cinnabar);
}

.page-disclaimer .terms-item__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-800);
}

.page-disclaimer .terms-item p {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

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

.page-disclaimer .terms-link {
  color: var(--cinnabar-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .terms-link:hover {
  color: var(--cinnabar);
}

/* ---------- 收口区 ---------- */
.page-disclaimer .terms-close {
  background: var(--ink-800);
  color: var(--paper);
  padding: 42px 0 52px;
}

.page-disclaimer .terms-close__grid {
  display: grid;
  gap: 30px;
}

.page-disclaimer .terms-close__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-disclaimer .terms-close__text {
  margin: 0 0 16px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .terms-close__contact {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: var(--gold-300);
  word-break: break-word;
}

.page-disclaimer .terms-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 10px 20px;
  border: 1px solid var(--cinnabar);
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .terms-top:hover {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--paper);
}

.page-disclaimer .terms-close__links {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-disclaimer .terms-related {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--pd-rule);
  border-radius: var(--radius-s);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .terms-related:hover {
  background: var(--ink-700);
  border-color: var(--gold-600);
  color: var(--gold-300);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .terms-hero {
    padding-top: 40px;
  }

  .page-disclaimer .terms-hero__title {
    max-width: 22ch;
  }

  .page-disclaimer .terms-hero__figure {
    margin-top: 44px;
  }

  .page-disclaimer .terms-toc-band {
    padding: 26px 0 36px;
  }

  .page-disclaimer .terms-body {
    padding: 56px 0 64px;
  }

  .page-disclaimer .terms-body__title {
    font-size: 23px;
    margin-bottom: 26px;
  }

  .page-disclaimer .terms-item {
    grid-template-columns: 64px 1fr;
    gap: 20px;
    padding: 26px 12px 26px 0;
  }

  .page-disclaimer .terms-item__num {
    padding-left: 12px;
    border-left-width: 3px;
    font-size: 26px;
  }

  .page-disclaimer .terms-item__title {
    font-size: 20px;
  }

  .page-disclaimer .terms-item p {
    font-size: 16px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .terms-close {
    padding: 56px 0 64px;
  }

  .page-disclaimer .terms-close__grid {
    grid-template-columns: 1.25fr 1fr;
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .terms-close__title {
    font-size: 23px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: 1ms !important;
  }
}
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