.page-disclaimer {
  --terms-rule: rgba(209, 83, 31, .42);
  --terms-ink: rgba(23, 17, 14, .84);
  --terms-ink-soft: rgba(23, 17, 14, .66);
  padding-bottom: 88px;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .terms-hero {
  padding-top: 8px;
}

.page-disclaimer .terms-hero .oa-breadcrumb {
  margin-bottom: 26px;
}

.page-disclaimer .terms-hero__head {
  max-width: 720px;
}

.page-disclaimer .terms-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(38px, 9vw, 76px);
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--white);
}

.page-disclaimer .terms-hero__lead {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--dim);
}

.page-disclaimer .terms-hero__band {
  position: relative;
  margin-top: 34px;
  height: 150px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--teal-ink);
  border: 1px solid var(--line);
}

.page-disclaimer .terms-hero__band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 主体布局 ---------- */

.page-disclaimer .terms-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 44px;
}

/* ---------- 章节导航 ---------- */

.page-disclaimer .terms-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--dim-2);
}

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

.page-disclaimer .terms-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(238, 242, 245, .04);
  color: var(--dim);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-disclaimer .terms-toc__list a .oa-mono {
  font-size: 11px;
  color: var(--brick);
}

.page-disclaimer .terms-toc__list a:hover,
.page-disclaimer .terms-toc__list a:focus-visible {
  border-color: var(--terms-rule);
  background: rgba(255, 58, 46, .12);
  color: var(--white);
}

/* ---------- 纸面正文 ---------- */

.page-disclaimer .terms-sheet {
  position: relative;
  padding: 22px 18px 28px;
  border-radius: var(--radius-lg);
  background-color: var(--paper);
  background-image: radial-gradient(rgba(23, 17, 14, .07) 1px, transparent 1px);
  background-size: 14px 14px;
  color: var(--ink-2);
}

.page-disclaimer .terms-sec {
  scroll-margin-top: 104px;
  padding-top: 22px;
  margin-top: 24px;
  border-top: 1px solid var(--terms-rule);
}

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

.page-disclaimer .terms-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  outline-offset: 6px;
}

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

.page-disclaimer .terms-sec__head::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-left: auto;
  margin-bottom: 3px;
  border-right: 2px solid var(--brick);
  border-bottom: 2px solid var(--brick);
  transform: rotate(45deg);
  transition: transform .22s var(--ease);
}

.page-disclaimer .terms-sec[open] > .terms-sec__head::after {
  transform: rotate(-135deg);
}

.page-disclaimer .terms-sec__num {
  flex: none;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--brick);
}

.page-disclaimer .terms-sec__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ink-2);
}

.page-disclaimer .terms-sec__body {
  margin-top: 14px;
}

.page-disclaimer .terms-sec__body p {
  margin: 0 0 12px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--terms-ink);
}

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

.page-disclaimer .terms-sec__body a {
  color: var(--brick);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .terms-sec__body a:hover,
.page-disclaimer .terms-sec__body a:focus-visible {
  color: #8f3714;
}

.page-disclaimer .terms-sec__body .oa-mono {
  font-size: 14px;
  color: var(--ink-2);
  background: rgba(23, 17, 14, .07);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

/* ---------- 条款要点列表 ---------- */

.page-disclaimer .terms-list {
  margin: 4px 0 14px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--terms-ink);
}

.page-disclaimer .terms-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .78em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--brick);
}

/* ---------- 焦点环 ---------- */

.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- 中屏 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .terms-hero__band {
    height: 220px;
  }

  .page-disclaimer .terms-sheet {
    padding: 38px 40px 46px;
  }

  .page-disclaimer .terms-sec__title {
    font-size: 24px;
  }

  .page-disclaimer .terms-sec__body {
    padding-left: 46px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-disclaimer .terms-hero__band {
    height: 260px;
  }

  .page-disclaimer .terms-wrap {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 58px;
  }

  .page-disclaimer .terms-toc {
    position: sticky;
    top: 104px;
    padding: 4px 0;
    border-top: 2px solid var(--brick);
  }

  .page-disclaimer .terms-toc__title {
    margin-top: 14px;
  }

  .page-disclaimer .terms-toc__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-disclaimer .terms-toc__list a {
    width: 100%;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    padding: 9px 10px;
    font-size: 14px;
  }

  .page-disclaimer .terms-toc__list a:hover,
  .page-disclaimer .terms-toc__list a:focus-visible {
    background: rgba(238, 242, 245, .07);
    box-shadow: inset 2px 0 0 var(--brick);
  }

  .page-disclaimer .terms-sheet {
    padding: 52px 60px 64px;
  }

  .page-disclaimer .terms-sec {
    padding-top: 30px;
    margin-top: 32px;
  }

  .page-disclaimer .terms-sec__title {
    font-size: 26px;
  }

  .page-disclaimer .terms-sec__body {
    padding-left: 52px;
  }

  .page-disclaimer .terms-sec__body p {
    font-size: 17px;
  }
}

/* ---------- 打印 ---------- */

@media print {
  .page-disclaimer {
    padding-bottom: 0;
  }

  .page-disclaimer .terms-hero__band,
  .page-disclaimer .terms-toc {
    display: none;
  }

  .page-disclaimer .terms-hero__title,
  .page-disclaimer .terms-hero__lead {
    color: #000;
  }

  .page-disclaimer .terms-sheet {
    background: #fff;
    background-image: none;
    border-radius: 0;
    padding: 0;
    color: #000;
  }

  .page-disclaimer .terms-sec {
    border-top-color: rgba(0, 0, 0, .35);
    break-inside: avoid;
  }

  .page-disclaimer .terms-sec__head::after,
  .page-disclaimer .terms-list li::before {
    display: none;
  }

  .page-disclaimer .terms-sec__num,
  .page-disclaimer .terms-sec__title,
  .page-disclaimer .terms-sec__body p,
  .page-disclaimer .terms-list li,
  .page-disclaimer .terms-sec__body .oa-mono {
    color: #000;
    background: none;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-sec__head::after,
  .page-disclaimer .terms-toc__list a {
    transition: none;
  }
}