/* ===== 使用条款 · 页面专属样式 ===== */
.page-disclaimer {
  --dc-rail-w: 238px;
  --dc-gap: clamp(30px, 4.4vw, 64px);
  --dc-hair: 1px solid var(--line);
  position: relative;
}

/* ---------- 顶部纹理带 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(22px, 3.4vw, 40px);
  padding-bottom: clamp(26px, 4vw, 48px);
  background:
    radial-gradient(90% 70% at 88% -20%, rgba(15, 169, 124, .24), transparent 64%),
    radial-gradient(60% 60% at 4% -10%, rgba(255, 91, 46, .16), transparent 62%);
}

.page-disclaimer .dc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(169, 191, 198, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 191, 198, .1) 1px, transparent 1px);
  background-size: var(--grid-step) var(--grid-step);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .15) 76%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .15) 76%, transparent 100%);
  pointer-events: none;
}

.page-disclaimer .dc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--grass), transparent);
  opacity: .45;
}

.page-disclaimer .dc-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--tick);
}

.page-disclaimer .breadcrumb a {
  color: var(--ink-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--grass);
}

.page-disclaimer .dc-hero__title {
  margin: 10px 0 0;
  max-width: 16em;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-disclaimer .dc-hero .lede {
  max-width: 62ch;
  margin-top: clamp(14px, 2vw, 20px);
  color: var(--ink-dim);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-disclaimer .dc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin-top: clamp(18px, 2.4vw, 28px);
  font-size: 13px;
  color: var(--ink-dim);
}

.page-disclaimer .dc-hero__meta-key {
  margin-right: 8px;
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--tick);
}

.page-disclaimer .dc-hero__media {
  margin-top: clamp(26px, 3.6vw, 44px);
  border: var(--dc-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--slate);
}

.page-disclaimer .dc-hero__media img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体两段式布局 ---------- */
.page-disclaimer .dc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--dc-gap);
  padding-top: clamp(30px, 4.4vw, 60px);
  padding-bottom: clamp(44px, 6vw, 92px);
}

/* ---------- 索引 ---------- */
.page-disclaimer .dc-rail {
  padding-bottom: 14px;
  border-bottom: var(--dc-hair);
}

.page-disclaimer .dc-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--tick);
}

.page-disclaimer .dc-toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .dc-toc__link {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--ink-dim);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-disclaimer .dc-toc__link:hover,
.page-disclaimer .dc-toc__link:focus-visible {
  color: var(--ink);
  border-color: var(--grass);
}

.page-disclaimer .dc-toc__link[aria-current="true"],
.page-disclaimer .dc-toc__link.is-active {
  color: var(--ink);
  border-color: var(--grass);
  background: rgba(15, 169, 124, .16);
}

/* ---------- 正文 ---------- */
.page-disclaimer .dc-body {
  min-width: 0;
}

.page-disclaimer .dc-section {
  scroll-margin-top: calc(var(--header-h) + 20px);
  padding-top: clamp(26px, 3.6vw, 46px);
}

.page-disclaimer .dc-section:first-child {
  padding-top: 0;
}

.page-disclaimer .dc-section + .dc-section {
  border-top: var(--dc-hair);
}

.page-disclaimer .dc-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-disclaimer .dc-section__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--grass);
}

.page-disclaimer .dc-section__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-disclaimer .dc-rules {
  list-style: none;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-disclaimer .dc-rule {
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--line);
  color: var(--ink-dim);
  font-size: clamp(14.5px, 1.5vw, 15.5px);
  line-height: 1.8;
}

.page-disclaimer .dc-rule--key {
  border-left-color: var(--grass);
}

.page-disclaimer .dc-rule b {
  display: block;
  margin-bottom: 3px;
  font-weight: 700;
  color: var(--ink);
}

.page-disclaimer .dc-rule .data {
  color: var(--mint);
  font-weight: 700;
}

.page-disclaimer .dc-rule a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 227, 192, .42);
  transition: color .18s ease, border-color .18s ease;
}

.page-disclaimer .dc-rule a:hover,
.page-disclaimer .dc-rule a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--flare);
}

/* ---------- 收尾块 ---------- */
.page-disclaimer .dc-outro {
  margin-top: clamp(30px, 4vw, 52px);
  padding: clamp(22px, 3vw, 34px);
  border: var(--dc-hair);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 130% at 96% -30%, rgba(15, 169, 124, .2), transparent 60%),
    linear-gradient(140deg, rgba(18, 38, 63, .94), rgba(11, 26, 46, .94));
  display: grid;
  gap: 14px;
}

.page-disclaimer .dc-outro__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.3;
  color: var(--ink);
}

.page-disclaimer .dc-outro p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-disclaimer .dc-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ---------- 桌面端：右侧粘性索引 ---------- */
@media (min-width: 1000px) {
  .page-disclaimer .dc-layout {
    grid-template-columns: minmax(0, 1fr) var(--dc-rail-w);
    align-items: start;
  }

  .page-disclaimer .dc-body {
    order: 1;
    max-width: 74ch;
  }

  .page-disclaimer .dc-rail {
    order: 2;
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
    padding: 0 0 0 18px;
    border-bottom: 0;
    border-left: var(--dc-hair);
  }

  .page-disclaimer .dc-rail__title {
    margin-bottom: 14px;
  }

  .page-disclaimer .dc-toc {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .dc-toc__link {
    display: block;
    white-space: normal;
    padding: 7px 0 7px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: none;
    font-size: 13px;
    letter-spacing: .01em;
  }

  .page-disclaimer .dc-toc__link:hover,
  .page-disclaimer .dc-toc__link:focus-visible {
    background: none;
    color: var(--ink);
    border-left-color: var(--line-strong);
  }

  .page-disclaimer .dc-toc__link[aria-current="true"],
  .page-disclaimer .dc-toc__link.is-active {
    background: none;
    color: var(--ink);
    border-left-color: var(--flare);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-toc__link,
  .page-disclaimer .breadcrumb a,
  .page-disclaimer .dc-rule a {
    transition: none;
  }
}