.page-disclaimer {
  --pd-gap: clamp(1.5rem, 3vw, 2.5rem);
  --pd-line: var(--line);
  background: var(--ink-void);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

/* 面包屑 */
.page-disclaimer__crumbs {
  padding: 1.1rem 0 0.4rem;
}

.page-disclaimer .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}

.page-disclaimer .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--dur) ease;
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .breadcrumb__sep {
  margin: 0 0.55rem;
  color: var(--line);
}

/* 首屏框景 */
.page-disclaimer__hero {
  position: relative;
  margin-top: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(55, 242, 212, 0.14) 0%, rgba(55, 242, 212, 0) 58%),
    linear-gradient(158deg, var(--ink-hull) 0%, var(--ink-void) 66%);
  isolation: isolate;
}

.page-disclaimer__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    var(--line-soft) 0 1px,
    transparent 1px 72px
  );
  opacity: 0.42;
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan) 18%, transparent 18% 100%);
  z-index: 2;
}

.page-disclaimer__hero-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}

.page-disclaimer__hero-inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(2.25rem, 5vw, 3.75rem);
  padding-bottom: clamp(2.25rem, 5vw, 3.5rem);
}

.page-disclaimer .index-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-disclaimer .display {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 5.4vw, 3.8rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-disclaimer .lede {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: clamp(0.94rem, 1.7vw, 1.05rem);
  line-height: 1.85;
  color: var(--text-dim);
}

/* 首屏四条摘要 */
.page-disclaimer__summary {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer__summary-item {
  display: flex;
  gap: 0.7rem;
  padding: 1.05rem 1.05rem 1.15rem;
  background: rgba(11, 27, 51, 0.94);
  min-width: 0;
}

.page-disclaimer__summary-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.9;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer__summary-item:nth-child(2) .page-disclaimer__summary-num {
  color: var(--orange);
}

.page-disclaimer__summary-item:nth-child(3) .page-disclaimer__summary-num {
  color: var(--purple);
}

.page-disclaimer__summary-item:nth-child(4) .page-disclaimer__summary-num {
  color: var(--green);
}

.page-disclaimer__summary-title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
}

.page-disclaimer__summary-text {
  margin: 0.32rem 0 0;
  font-size: 0.82rem;
  line-height: 1.68;
  color: var(--text-dim);
}

/* 条款区标题 */
.page-disclaimer__rules {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.page-disclaimer__rules-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
}

.page-disclaimer .headline {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.22rem, 2.6vw, 1.6rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-disclaimer__rules-title {
  margin-top: 0.55rem;
}

.page-disclaimer .note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}

/* 三栏布局 */
.page-disclaimer__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "toc"
    "clauses"
    "feedback";
  gap: var(--pd-gap);
  align-items: start;
}

.page-disclaimer__toc {
  grid-area: toc;
}

.page-disclaimer__clauses {
  grid-area: clauses;
}

.page-disclaimer__feedback {
  grid-area: feedback;
}

/* 目录 */
.page-disclaimer__toc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  padding: 1rem 0.9rem 1.05rem;
}

.page-disclaimer__toc-title {
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-mute);
}

.page-disclaimer__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.12rem;
}

.page-disclaimer__toc-link {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.42rem 0.5rem;
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) ease, background var(--dur) ease,
    border-color var(--dur) ease;
}

.page-disclaimer__toc-link:hover,
.page-disclaimer__toc-link:focus-visible {
  color: var(--text);
  background: var(--ink-panel);
  border-left-color: var(--cyan);
}

.page-disclaimer__toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

/* 条款卡片 */
.page-disclaimer__clauses {
  display: grid;
  gap: 1rem;
  align-content: start;
  min-width: 0;
}

.page-disclaimer__clause {
  --accent: var(--cyan);
  position: relative;
  min-width: 0;
  padding: clamp(1.4rem, 3.2vw, 2.1rem) clamp(1.1rem, 2.8vw, 1.9rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-hull) 0%, rgba(11, 27, 51, 0.82) 100%);
  scroll-margin-top: 6.5rem;
}

.page-disclaimer__clause:nth-of-type(2) {
  --accent: var(--orange);
}

.page-disclaimer__clause:nth-of-type(3) {
  --accent: var(--purple);
}

.page-disclaimer__clause:nth-of-type(4) {
  --accent: var(--green);
}

.page-disclaimer__clause:nth-of-type(5) {
  --accent: var(--cyan-press);
}

.page-disclaimer__clause-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.55rem 0.95rem;
  margin-bottom: 0.9rem;
}

.page-disclaimer__clause-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 3.4vw, 2.3rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer__clause p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-disclaimer__clause p + p {
  margin-top: 0.7rem;
}

.page-disclaimer__clause-link {
  margin-top: 0.95rem !important;
  font-size: 0.85rem !important;
}

.page-disclaimer__clause-link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 242, 212, 0.42);
  transition: border-color var(--dur) ease, color var(--dur) ease;
}

.page-disclaimer__clause-link a:hover,
.page-disclaimer__clause-link a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

/* 折叠补充 */
.page-disclaimer__more {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line);
}

.page-disclaimer__more summary {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  transition: color var(--dur) ease;
}

.page-disclaimer__more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer__more summary::after {
  content: "+";
  font-size: 0.95rem;
  line-height: 1;
}

.page-disclaimer__more[open] summary::after {
  content: "–";
}

.page-disclaimer__more summary:hover {
  color: var(--text);
}

.page-disclaimer__more p {
  margin-top: 0.7rem;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--text-dim);
}

/* 右侧反馈面板 */
.page-disclaimer__feedback {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 70% at 100% 0%, rgba(55, 242, 212, 0.12) 0%, rgba(55, 242, 212, 0) 62%),
    linear-gradient(180deg, var(--ink-panel) 0%, var(--ink-hull) 100%);
  padding: 1.15rem 1.05rem 1.25rem;
  min-width: 0;
}

.page-disclaimer__feedback-flag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-disclaimer__feedback-title {
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
}

.page-disclaimer__feedback-text {
  margin: 0.6rem 0 1rem;
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-disclaimer__kv {
  margin: 0;
  display: grid;
  gap: 0.8rem;
}

.page-disclaimer__kv-row {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.page-disclaimer__kv dt {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--text-mute);
}

.page-disclaimer__kv dd {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-disclaimer__feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.page-disclaimer__feedback-icp {
  margin: 0.9rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}

/* 回到顶部 */
.page-disclaimer__totop-wrap {
  display: flex;
  justify-content: flex-end;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-disclaimer__totop {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-disclaimer__totop:hover,
.page-disclaimer__totop:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* 断点 */
@media (min-width: 640px) {
  .page-disclaimer__summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer__layout {
    grid-template-columns: 190px minmax(0, 1fr);
    grid-template-areas:
      "toc clauses"
      "feedback clauses";
  }

  .page-disclaimer__toc {
    position: sticky;
    top: 6.5rem;
  }

  .page-disclaimer__summary {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-disclaimer__layout {
    grid-template-columns: 180px minmax(0, 1fr) 292px;
    grid-template-areas: "toc clauses feedback";
  }

  .page-disclaimer__feedback {
    position: sticky;
    top: 6.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}