.page-disclaimer {
  --dc-gap: clamp(1.1rem, 3vw, 1.7rem);
  --dc-notch: 20px;
  display: block;
  padding-bottom: clamp(3rem, 8vw, 6rem);
  background: var(--c-void);
  color: var(--c-ink);
  font-family: var(--font-body);
}

/* 首屏 */
.page-disclaimer .dc-hero {
  padding-top: clamp(1rem, 2.5vw, 1.75rem);
}
.page-disclaimer .dc-hero h1 {
  margin: 0.65rem 0 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}
.page-disclaimer .dc-slash {
  width: min(420px, 62%);
  height: 12px;
  margin: 1.05rem 0 0;
  background-image: repeating-linear-gradient(-25deg, var(--c-line) 0 1px, transparent 1px 14px);
}
.page-disclaimer .dc-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 64ch;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.78;
  color: var(--c-mist);
}
.page-disclaimer .dc-hero__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
  padding: 0;
}

/* 页头横幅 */
.page-disclaimer .dc-banner {
  position: relative;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  border: 1px solid var(--c-line);
  background: var(--c-void-raise);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--dc-notch)), calc(100% - var(--dc-notch)) 100%, 0 100%);
  overflow: hidden;
}
.page-disclaimer .dc-banner .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-disclaimer .dc-banner .media-frame__label {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 0.35rem 0.75rem;
  background: var(--c-void-deep);
  border-top: 1px solid var(--c-line);
  border-right: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

/* 目录 + 条目两列 */
.page-disclaimer .dc-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dc-gap);
  margin-top: clamp(1.75rem, 4vw, 3rem);
}
.page-disclaimer .dc-toc {
  padding-left: 0.9rem;
  border-left: 1px solid var(--c-line);
}
.page-disclaimer .dc-toc__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}
.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem 0.75rem;
}
.page-disclaimer .dc-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.28rem 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-disclaimer .dc-toc__list a:hover,
.page-disclaimer .dc-toc__list a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}
.page-disclaimer .dc-toc__id {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

/* 声明条目 */
.page-disclaimer .dc-sections {
  display: grid;
  gap: var(--dc-gap);
  min-width: 0;
}
.page-disclaimer .dc-stmt {
  position: relative;
  min-width: 0;
  padding: clamp(1rem, 2.6vw, 1.6rem) clamp(1rem, 2.6vw, 1.75rem);
  background: var(--c-steel);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-cyan);
  clip-path: polygon(0 0, calc(100% - var(--dc-notch)) 0, 100% var(--dc-notch), 100% 100%, 0 100%);
  -webkit-clip-path: polygon(0 0, calc(100% - var(--dc-notch)) 0, 100% var(--dc-notch), 100% 100%, 0 100%);
  scroll-margin-top: 120px;
}
.page-disclaimer .dc-stmt__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.page-disclaimer .dc-stmt__id {
  flex: none;
  padding: 0.1rem 0.42rem;
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}
.page-disclaimer .dc-stmt__id--bright {
  border-color: var(--c-cyan);
  color: var(--c-void-deep);
  background: var(--c-cyan);
}
.page-disclaimer .dc-stmt h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}
.page-disclaimer .dc-stmt__conclusion {
  margin: 0.95rem 0 0;
  padding-left: 0.85rem;
  border-left: 2px solid var(--c-amber);
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.74;
  color: var(--c-ink);
}

/* 折叠条目 */
.page-disclaimer .dc-stmt__more {
  margin-top: 0.95rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--c-line);
}
.page-disclaimer .dc-stmt__more > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}
.page-disclaimer .dc-stmt__more > summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .dc-stmt__more > summary::before {
  content: "▸";
  display: inline-block;
  color: var(--c-cyan);
  transition: transform 0.18s ease;
}
.page-disclaimer .dc-stmt__more[open] > summary::before {
  transform: rotate(90deg);
}
.page-disclaimer .dc-stmt__more > summary:hover {
  color: var(--c-ink);
}
.page-disclaimer .dc-lbl-close {
  display: none;
}
.page-disclaimer .dc-stmt__more[open] .dc-lbl-open {
  display: none;
}
.page-disclaimer .dc-stmt__more[open] .dc-lbl-close {
  display: inline;
}

.page-disclaimer .dc-points {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  margin: 0.7rem 0 0;
  padding: 0;
}
.page-disclaimer .dc-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--c-mist);
}
.page-disclaimer .dc-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.62rem;
  height: 2px;
  background: var(--c-line);
  transform: skewX(-24deg);
}

/* 服务边界分区 */
.page-disclaimer .dc-boundary {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  background: linear-gradient(180deg, var(--c-teal) 0%, var(--c-void-deep) 100%);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  scroll-margin-top: 110px;
}
.page-disclaimer .dc-boundary__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}
.page-disclaimer .dc-boundary__conclusion {
  margin: 1rem 0 0;
  padding-left: 0.9rem;
  border-left: 3px solid var(--c-amber);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--c-ink);
}
.page-disclaimer .dc-boundary__body {
  min-width: 0;
}
.page-disclaimer .dc-boundary__list {
  list-style: none;
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
}
.page-disclaimer .dc-boundary__list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink);
}
.page-disclaimer .dc-boundary__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 0.7rem;
  height: 2px;
  background: var(--c-cyan);
  transform: skewX(-24deg);
}
.page-disclaimer .dc-boundary__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.4rem 0 0;
}

/* 中等宽度 */
@media (min-width: 640px) {
  .page-disclaimer .dc-toc__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 桌面非对称分栏 */
@media (min-width: 900px) {
  .page-disclaimer .dc-body {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 3rem);
    align-items: start;
  }
  .page-disclaimer .dc-toc {
    position: sticky;
    top: 112px;
  }
  .page-disclaimer .dc-toc__list {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
  .page-disclaimer .dc-boundary__grid {
    grid-template-columns: 5fr 7fr;
  }
}

/* 宽屏缩进与节奏 */
@media (min-width: 1200px) {
  .page-disclaimer .dc-hero h1 {
    font-size: clamp(3rem, 5vw, 4.2rem);
  }
  .page-disclaimer .dc-stmt {
    padding: 1.75rem 2rem;
  }
}

/* 减弱动效 */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-stmt__more > summary::before,
  .page-disclaimer .dc-toc__list a {
    transition: none;
  }
}