.page-disclaimer {
  --dc-hair: rgba(41, 240, 224, .28);
  --dc-panel: rgba(11, 20, 38, .88);
  background:
    radial-gradient(140% 58% at 6% 0%, rgba(41, 240, 224, .08), transparent 62%),
    var(--ink-950);
  color: var(--mist-100);
  font-family: var(--font-body);
  line-height: 1.85;
}

.page-disclaimer .dc-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(36px, 7vw, 76px));
}

.page-disclaimer .dc-hero__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-disclaimer .dc-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 14px 0 0;
  max-width: 19ch;
}

.page-disclaimer .dc-hero__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.85;
  color: var(--ice-300);
}

.page-disclaimer .dc-hero__media {
  position: relative;
  margin: clamp(28px, 5vw, 52px) 0 0;
  width: 100%;
  overflow: hidden;
  background: var(--ink-900);
  aspect-ratio: 16 / 9;
}

.page-disclaimer .dc-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 11, 24, .1) 40%, rgba(6, 11, 24, .95) 100%);
  pointer-events: none;
}

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

.page-disclaimer .dc-main {
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(40px, 7vw, 76px) var(--gutter) clamp(56px, 8vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 54px);
  align-items: start;
}

/* ---------- 条款正文 ---------- */

.page-disclaimer .dc-clause {
  position: relative;
  padding: 0 0 28px 20px;
  border-left: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-disclaimer .dc-clause + .dc-clause {
  margin-top: 34px;
}

.page-disclaimer .dc-clause::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 5px;
  width: 2px;
  height: 20px;
  background: var(--dc-hair);
  transition: height .3s var(--ease), background-color .3s var(--ease);
}

.page-disclaimer .dc-clause:hover::before {
  height: 44px;
  background: var(--cyan);
}

.page-disclaimer .dc-clause__head {
  display: flex;
  align-items: baseline;
  gap: 13px;
}

.page-disclaimer .dc-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  flex: none;
}

.page-disclaimer .dc-clause__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 3.4vw, 27px);
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0;
}

.page-disclaimer .dc-clause__body {
  margin-top: 14px;
}

.page-disclaimer .dc-clause__body p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 15.5px;
  color: var(--mist-100);
}

.page-disclaimer .dc-clause__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-clause__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 240, 224, .42);
}

.page-disclaimer .dc-clause__body a:hover {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .dc-note {
  margin: 0 0 14px;
  padding: 14px 18px;
  max-width: 68ch;
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(41, 240, 224, .15), rgba(41, 240, 224, .02));
}

.page-disclaimer .dc-note p {
  margin: 0;
  font-size: 15px;
  color: var(--mist-100);
}

/* ---------- 右侧版本与反馈栏 ---------- */

.page-disclaimer .dc-rail {
  display: grid;
  gap: 16px;
}

.page-disclaimer .dc-rail__sticky {
  display: grid;
  gap: 16px;
}

.page-disclaimer .dc-rail__card {
  background: var(--dc-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.page-disclaimer .dc-rail__card--version {
  border-color: rgba(41, 240, 224, .3);
  background:
    linear-gradient(155deg, rgba(41, 240, 224, .12), rgba(41, 240, 224, 0) 62%),
    var(--ink-900);
}

.page-disclaimer .dc-rail__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.page-disclaimer .dc-rail__version {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 36px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-disclaimer .dc-rail__mail {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist-100);
  word-break: break-all;
}

.page-disclaimer .dc-rail__meta {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--ice-300);
}

.page-disclaimer .copy-mail {
  width: 100%;
  justify-content: center;
}

/* ---------- 目录 ---------- */

.page-disclaimer .dc-index {
  display: grid;
  gap: 0;
  padding: 18px 20px 14px;
  background: var(--dc-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-disclaimer .dc-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--ice-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(29, 46, 77, .72);
  transition: color .2s var(--ease);
}

.page-disclaimer .dc-index__link:last-of-type {
  border-bottom: 0;
}

.page-disclaimer .dc-index__link:hover {
  color: var(--mist-100);
}

.page-disclaimer .dc-index__link[aria-current="true"] {
  color: var(--cyan);
}

.page-disclaimer .dc-index__link[aria-current="true"] .dc-num {
  color: var(--cyan);
}

/* ---------- 断点 ---------- */

@media (min-width: 980px) {
  .page-disclaimer .dc-hero__media {
    aspect-ratio: 8 / 3;
  }

  .page-disclaimer .dc-main {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 62px;
  }

  .page-disclaimer .dc-rail__sticky {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-disclaimer .dc-clause {
    padding-left: 26px;
  }
}

@media (max-width: 560px) {
  .page-disclaimer .dc-clause {
    padding-left: 15px;
  }

  .page-disclaimer .dc-clause__head {
    gap: 10px;
  }

  .page-disclaimer .dc-hero__media {
    aspect-ratio: 16 / 9;
  }

  .page-disclaimer .dc-rail__card,
  .page-disclaimer .dc-index {
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-clause::before,
  .page-disclaimer .dc-index__link {
    transition: none;
  }
}