/* ===== 使用条款 / disclaimer ===== */
.page-disclaimer {
  --td-copy-w: 720px;
  --td-rail-w: 96px;
}

/* 首屏 */
.page-disclaimer .td-lead {
  position: relative;
  padding: 22px 0 34px;
  background:
    radial-gradient(120% 80% at 88% 0%, rgba(0, 227, 233, 0.07), transparent 62%),
    linear-gradient(180deg, var(--void) 0%, rgba(10, 21, 38, 0.45) 100%);
  border-bottom: 1px solid var(--grid);
}

.page-disclaimer .td-lead::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--orange) 42%, transparent 78%);
  opacity: 0.85;
}

.page-disclaimer .td-lead__grid {
  margin-top: 22px;
  display: grid;
  gap: 26px;
}

.page-disclaimer .td-mark {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-disclaimer .td-h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 6.4vw, 58px);
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 17ch;
}

.page-disclaimer .td-lede {
  margin: 0;
  max-width: 60ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
}

/* 首屏右侧快捷去向 */
.page-disclaimer .td-quick {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.page-disclaimer .td-quick li {
  background: var(--night);
}

.page-disclaimer .td-quick a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  font-size: 15px;
  color: var(--white);
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-disclaimer .td-quick a:hover,
.page-disclaimer .td-quick a:focus-visible {
  background: var(--steel);
  color: var(--cyan);
}

.page-disclaimer .td-quick__n {
  flex: none;
  color: var(--cyan);
  font-size: 12px;
}

/* 首屏窄幅视觉 */
.page-disclaimer .td-hero-frame {
  position: relative;
  display: block;
  margin-top: 30px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, var(--night) 0%, var(--void) 72%);
}

.page-disclaimer .td-hero-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  height: auto;
}

.page-disclaimer .td-hero-frame .media-frame__cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 1;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: rgba(5, 9, 18, 0.72);
  border: 1px solid var(--grid);
  border-radius: var(--radius-capsule);
}

/* 条文主体 */
.page-disclaimer .td-main {
  padding: 46px 0 20px;
}

.page-disclaimer .td-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-disclaimer .td-article {
  max-width: var(--td-copy-w);
  padding-bottom: 44px;
}

/* 右侧条款刻度 */
.page-disclaimer .td-rail {
  display: none;
}

.page-disclaimer .clause-rail {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.page-disclaimer .clause-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.page-disclaimer .clause-rail__link::after {
  content: "";
  width: 10px;
  height: 1px;
  background: currentColor;
  transition: width 0.2s var(--ease);
}

.page-disclaimer .clause-rail__link:hover,
.page-disclaimer .clause-rail__link:focus-visible {
  color: var(--cyan);
  border-color: var(--grid);
}

.page-disclaimer .clause-rail__link[aria-current="true"],
.page-disclaimer .clause-rail__link[aria-current="location"] {
  color: var(--cyan);
  background: rgba(0, 227, 233, 0.09);
  border-color: rgba(0, 227, 233, 0.35);
}

.page-disclaimer .clause-rail__link[aria-current="true"]::after,
.page-disclaimer .clause-rail__link[aria-current="location"]::after {
  width: 20px;
}

/* 条款纸张叠层卡 */
.page-disclaimer .td-clause {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--steel);
  border: 1px solid var(--grid);
  border-radius: var(--radius-panel);
  box-shadow: 6px 6px 0 0 var(--night), 6px 6px 0 1px var(--grid);
  scroll-margin-top: calc(var(--header-h) + 34px);
}

.page-disclaimer .td-clause + .td-clause {
  margin-top: 30px;
}

.page-disclaimer .td-clause__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--grid);
}

.page-disclaimer .td-clause__num {
  flex: none;
  appearance: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.1em;
  padding: 7px 10px;
  color: var(--cyan);
  background: rgba(0, 227, 233, 0.08);
  border: 1px solid rgba(0, 227, 233, 0.35);
  border-radius: 8px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.page-disclaimer .td-clause__num:hover,
.page-disclaimer .td-clause__num:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 227, 233, 0.16);
}

.page-disclaimer .td-clause__num[data-copied="true"] {
  color: var(--green);
  border-color: var(--green);
  background: rgba(59, 224, 166, 0.12);
}

.page-disclaimer .td-clause__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--white);
}

/* 条文条目 */
.page-disclaimer .td-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .td-rules > li {
  position: relative;
  padding-left: 22px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--white);
}

.page-disclaimer .td-rules > li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

/* 排查提示条 */
.page-disclaimer .td-alert {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding: 10px 13px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  background: rgba(255, 162, 58, 0.07);
  border: 1px solid rgba(255, 162, 58, 0.3);
  border-left: 3px solid var(--amber);
  border-radius: 0 10px 10px 0;
}

/* 四步排查 */
.page-disclaimer .td-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-disclaimer .td-steps > li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--grid);
}

.page-disclaimer .td-steps__n {
  color: var(--cyan);
  font-size: 13px;
  line-height: 1.7;
}

.page-disclaimer .td-steps__body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--white);
  max-width: 62ch;
}

.page-disclaimer .td-steps__body strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 800;
  color: var(--cyan);
}

.page-disclaimer .td-submit {
  margin: 16px 0 0;
  padding-top: 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  border-top: 1px dashed var(--grid);
  max-width: 64ch;
}

/* 收尾指引 */
.page-disclaimer .td-tail {
  margin: 34px 0 0;
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  background: rgba(0, 227, 233, 0.05);
  border-left: 3px solid var(--cyan);
  border-radius: 0 10px 10px 0;
}

.page-disclaimer .td-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 227, 233, 0.4);
  transition: border-color 0.2s var(--ease);
}

.page-disclaimer .td-tail a:hover,
.page-disclaimer .td-tail a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ===== 响应式 ===== */
@media (min-width: 760px) {
  .page-disclaimer .td-lead {
    padding: 28px 0 44px;
  }

  .page-disclaimer .td-hero-frame {
    aspect-ratio: 21 / 9;
  }

  .page-disclaimer .td-clause {
    padding: 26px 28px 28px;
    box-shadow: 7px 7px 0 0 var(--night), 7px 7px 0 1px var(--grid),
      14px 14px 0 0 var(--night), 14px 14px 0 1px var(--grid);
  }

  .page-disclaimer .td-clause__title {
    font-size: 22px;
  }

  .page-disclaimer .td-steps > li {
    grid-template-columns: 44px minmax(0, 1fr);
    padding: 16px 0;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .td-lead__grid {
    grid-template-columns: minmax(0, 1fr) 292px;
    gap: 56px;
    align-items: end;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .td-main {
    padding: 58px 0 28px;
  }

  .page-disclaimer .td-layout {
    grid-template-columns: minmax(0, 1fr) var(--td-rail-w);
    gap: 54px;
  }

  .page-disclaimer .td-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 30px);
    align-self: start;
    padding-top: 6px;
  }
}