.page-disclaimer {
  --dc-seam: rgba(138, 148, 166, 0.18);
  --dc-seam-soft: rgba(138, 148, 166, 0.10);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  padding-top: clamp(26px, 5vw, 58px);
  padding-bottom: clamp(28px, 5vw, 54px);
  overflow: hidden;
}

.page-disclaimer .dc-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 54px;
  background-image:
    repeating-linear-gradient(to right, rgba(43, 232, 192, 0.30) 0 1px, transparent 1px 20px),
    repeating-linear-gradient(to right, rgba(255, 90, 43, 0.24) 0 1px, transparent 1px 120px);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 78%);
  mask-image: linear-gradient(to bottom, transparent, #000 78%);
  pointer-events: none;
  opacity: 0.85;
}

.page-disclaimer .dc-hero__title {
  font-family: var(--sn-font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.6vw, 74px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--sn-mist);
  margin: 14px 0 18px;
  max-width: 17ch;
}

.page-disclaimer .dc-hero__lede {
  max-width: 62ch;
  color: var(--sn-text-soft);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-disclaimer .dc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer .dc-banner {
  margin: 4px auto clamp(24px, 4vw, 42px);
}

.page-disclaimer .dc-banner__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
  border-radius: var(--sn-r-md);
  border: 1px solid var(--sn-line);
  filter: saturate(0.9) contrast(1.05);
}

/* ---------- 章节索引条 ---------- */
.page-disclaimer .dc-railWrap {
  position: sticky;
  top: var(--sn-status-h);
  z-index: 6;
  background: rgba(5, 7, 12, 0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--sn-line);
  border-bottom: 1px solid var(--sn-line);
}

.page-disclaimer .dc-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px var(--sn-gutter);
  scrollbar-width: none;
}

.page-disclaimer .dc-rail::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .dc-rail__link {
  flex: 0 0 auto;
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 7px 14px;
  border-radius: var(--sn-r-pill);
  border: 1px solid var(--sn-line);
  background: transparent;
  color: var(--sn-cold);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-disclaimer .dc-rail__link:hover,
.page-disclaimer .dc-rail__link:focus-visible {
  color: var(--sn-mist);
  border-color: var(--sn-cyan-line);
}

.page-disclaimer .dc-rail__link[aria-current="true"] {
  color: var(--sn-black);
  background: var(--sn-cyan);
  border-color: var(--sn-cyan);
  font-weight: 700;
}

/* ---------- 条款块 ---------- */
.page-disclaimer .dc-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(28px, 5vw, 52px) 0;
  border-top: 1px solid var(--dc-seam);
  scroll-margin-top: 116px;
}

.page-disclaimer .dc-clause:first-of-type {
  border-top: 0;
}

.page-disclaimer .dc-clause__num {
  font-family: var(--sn-font-mono);
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
  color: transparent;
  -webkit-text-stroke: 1px var(--sn-cyan-line);
  text-stroke: 1px var(--sn-cyan-line);
}

.page-disclaimer .dc-clause__title {
  font-family: var(--sn-font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: 0.005em;
  color: var(--sn-mist);
  margin: 2px 0 14px;
}

.page-disclaimer .dc-clause__text {
  color: var(--sn-text-soft);
  font-size: 16px;
  line-height: 1.92;
  max-width: 66ch;
  margin: 0 0 16px;
}

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

.page-disclaimer .dc-clause__foot {
  font-size: 14px;
  line-height: 1.85;
  margin: 16px 0 0;
  max-width: 66ch;
}

/* ---------- 要点列表 ---------- */
.page-disclaimer .dc-list {
  margin: 4px 0 20px;
}

.page-disclaimer .dc-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--dc-seam-soft);
  color: var(--sn-text-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-disclaimer .dc-list li:last-child {
  border-bottom: 0;
}

.page-disclaimer .dc-list__key {
  color: var(--sn-cyan);
  font-size: 13px;
  letter-spacing: 0.08em;
}

/* ---------- 提示条 ---------- */
.page-disclaimer .dc-note {
  position: relative;
  margin: 18px 0 0;
  padding: 15px 18px 15px 22px;
  border-left: 3px solid var(--sn-flame);
  border-radius: 0 var(--sn-r-sm) var(--sn-r-sm) 0;
  background: var(--sn-flame-veil);
  color: var(--sn-mist);
  font-size: 15px;
  line-height: 1.85;
  max-width: 66ch;
}

/* ---------- 数据格 ---------- */
.page-disclaimer .dc-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 18px;
  background: var(--sn-line);
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  overflow: hidden;
}

.page-disclaimer .dc-stat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 16px;
  background: linear-gradient(180deg, rgba(11, 21, 38, 0.96), rgba(5, 7, 12, 0.96));
}

.page-disclaimer .dc-stat__num {
  font-family: var(--sn-font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

.page-disclaimer .dc-stat__num--cyan {
  color: var(--sn-cyan);
}

.page-disclaimer .dc-stat__num--flame {
  color: var(--sn-flame);
}

.page-disclaimer .dc-stat__num--gold {
  color: var(--sn-gold);
}

.page-disclaimer .dc-stat__num--violet {
  color: var(--sn-violet);
}

.page-disclaimer .dc-stat__label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--sn-cold);
}

/* ---------- 引用规范条目 ---------- */
.page-disclaimer .dc-rules {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.page-disclaimer .dc-rule {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  background: rgba(28, 37, 54, 0.42);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-disclaimer .dc-rule:hover {
  border-color: var(--sn-cyan-line);
  background: var(--sn-cyan-veil);
}

.page-disclaimer .dc-rule__idx {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: var(--sn-r-pill);
  border: 1px solid var(--sn-cyan-line);
  color: var(--sn-cyan);
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-disclaimer .dc-rule p {
  margin: 0;
  color: var(--sn-text-soft);
  font-size: 15px;
  line-height: 1.82;
}

/* ---------- 纠错步骤 ---------- */
.page-disclaimer .dc-steps {
  list-style: none;
  margin: 6px 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .dc-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 13px 16px;
  border-left: 2px solid var(--sn-flame-line);
  border-radius: 0 var(--sn-r-sm) var(--sn-r-sm) 0;
  background: rgba(11, 21, 38, 0.7);
  color: var(--sn-text-soft);
  font-size: 15px;
  line-height: 1.75;
}

.page-disclaimer .dc-steps__idx {
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sn-flame);
}

/* ---------- 折叠面板微调 ---------- */
.page-disclaimer .dc-fold {
  margin-top: 12px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  background: rgba(11, 21, 38, 0.55);
  overflow: hidden;
}

.page-disclaimer .dc-fold .sn-fold__summary {
  cursor: pointer;
  list-style: none;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--sn-mist);
  position: relative;
  padding-right: 46px;
}

.page-disclaimer .dc-fold .sn-fold__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dc-fold .sn-fold__summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--sn-font-mono);
  font-size: 16px;
  color: var(--sn-cyan);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.page-disclaimer .dc-fold[open] .sn-fold__summary::after {
  content: "–";
}

.page-disclaimer .dc-fold .sn-fold__body {
  padding: 2px 18px 18px;
  border-top: 1px solid var(--dc-seam-soft);
  color: var(--sn-text-soft);
  font-size: 15px;
  line-height: 1.85;
}

.page-disclaimer .dc-fold .sn-fold__body p {
  margin: 12px 0 0;
}

.page-disclaimer .dc-fold .sn-fold__body .sn-list {
  margin: 12px 0 0;
}

/* ---------- 联系方式 ---------- */
.page-disclaimer .dc-contact {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  border-top: 1px solid var(--dc-seam);
}

.page-disclaimer .dc-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--dc-seam-soft);
}

.page-disclaimer .dc-contact dt {
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sn-cold);
}

.page-disclaimer .dc-contact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sn-mist);
  word-break: break-word;
}

.page-disclaimer .dc-contact__hint {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  color: var(--sn-cold);
}

/* ---------- 底部动作 ---------- */
.page-disclaimer .dc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-disclaimer .dc-topWrap {
  margin: 22px 0 0;
}

.page-disclaimer .dc-top {
  display: inline-block;
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sn-cold);
  text-decoration: none;
  border-bottom: 1px solid var(--sn-line-strong);
  padding-bottom: 3px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .dc-top:hover,
.page-disclaimer .dc-top:focus-visible {
  color: var(--sn-cyan);
  border-color: var(--sn-cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dc-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .dc-contact__row {
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dc-clause {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 40px;
  }

  .page-disclaimer .dc-clause__num {
    position: sticky;
    top: 118px;
    align-self: start;
  }

  .page-disclaimer .dc-rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-rail__link,
  .page-disclaimer .dc-rule,
  .page-disclaimer .dc-fold .sn-fold__summary::after,
  .page-disclaimer .dc-top {
    transition: none;
  }
}