.page-disclaimer {
  --dc-ink-soft: #2b303b;
  --dc-paper-line: rgba(11, 13, 18, 0.12);
  --dc-glass: rgba(20, 24, 33, 0.78);
  background: var(--bg);
  color: var(--fg);
  padding-bottom: clamp(1.6rem, 5vw, 3rem);
}

.page-disclaimer .crumbs {
  padding-block: 1rem 0.5rem;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(115% 130% at 84% -12%, rgba(122, 92, 255, 0.34), transparent 60%),
    radial-gradient(90% 115% at 6% 112%, rgba(11, 95, 255, 0.32), transparent 62%),
    var(--ink);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(1.4rem, 4vw, 2.4rem) clamp(1.8rem, 5vw, 3.2rem);
}

.page-disclaimer .dc-hero::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan) 18%, var(--blue) 52%, var(--violet) 82%, transparent);
  opacity: 0.85;
}

.page-disclaimer .dc-hero__grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
}

.page-disclaimer .dc-hero .index-label {
  color: var(--cyan);
  letter-spacing: 0.14em;
}

.page-disclaimer .dc-hero__title {
  margin: 0.35rem 0 0.9rem;
  font-size: clamp(2.3rem, 7.4vw, 4.4rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-disclaimer .dc-hero__desc {
  max-width: 46ch;
  margin: 0 0 1.4rem;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--fg-soft);
}

.page-disclaimer .dc-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-sm);
  color: var(--fg-soft);
}

.page-disclaimer .dc-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.34rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 13, 18, 0.55);
}

.page-disclaimer .dc-hero__facts .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber);
}

.page-disclaimer .dc-hero__fig {
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-raise);
}

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

/* ---------- 双栏主体 ---------- */
.page-disclaimer .dc-body {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
  padding-block: clamp(1.6rem, 4vw, 2.6rem);
}

/* 目录 */
.page-disclaimer .dc-toc {
  padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raise);
}

.page-disclaimer .dc-toc .index-label {
  color: var(--fg-dim);
  letter-spacing: 0.14em;
}

.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: 0.7rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.12rem;
}

.page-disclaimer .dc-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0.55rem;
  border-left: 2px solid transparent;
  font-size: var(--fs-sm);
  line-height: 1.5;
  color: var(--fg-soft);
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .dc-toc__list a:hover {
  color: var(--paper);
  background: rgba(122, 92, 255, 0.14);
}

.page-disclaimer .dc-toc__list a[aria-current="true"],
.page-disclaimer .dc-toc__list a.is-active {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(11, 95, 255, 0.18);
}

.page-disclaimer .dc-toc__list .num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* 速读卡 */
.page-disclaimer .dc-summary {
  margin-top: 1rem;
  border: 1px solid rgba(201, 206, 216, 0.22);
  border-radius: var(--radius);
  background: var(--dc-glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-disclaimer .dc-summary__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.85rem 0.95rem;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-disclaimer .dc-summary__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dc-summary__head::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-disclaimer .dc-summary[open] .dc-summary__head::after {
  content: "−";
}

.page-disclaimer .dc-summary__list {
  margin: 0;
  padding: 0 0.95rem 1rem;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--fg-soft);
}

.page-disclaimer .dc-summary__list li {
  position: relative;
  padding-left: 1rem;
}

.page-disclaimer .dc-summary__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.38rem;
  height: 0.38rem;
  background: var(--amber);
  transform: rotate(45deg);
}

/* ---------- 条款纸面 ---------- */
.page-disclaimer .dc-doc {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px -42px rgba(0, 0, 0, 0.9);
}

.page-disclaimer .dc-sec__bar {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.72rem clamp(1.1rem, 3.4vw, 2.2rem);
  background: linear-gradient(90deg, var(--ink), #10151f 58%, #131a26);
  color: var(--paper);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.page-disclaimer .dc-sec__bar::after {
  content: "";
  flex: 1;
  height: 1px;
  align-self: center;
  background: linear-gradient(90deg, rgba(53, 224, 215, 0.55), transparent);
}

.page-disclaimer .dc-sec__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-disclaimer .dc-sec__label {
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  color: rgba(242, 239, 232, 0.88);
}

.page-disclaimer .dc-sec__body {
  padding: clamp(1.1rem, 3.4vw, 2rem) clamp(1.1rem, 3.4vw, 2.2rem) clamp(1.5rem, 4vw, 2.3rem);
  border-bottom: 1px solid var(--dc-paper-line);
}

.page-disclaimer .dc-sec:last-child .dc-sec__body {
  border-bottom: 0;
}

.page-disclaimer .dc-sec__title {
  margin: 0 0 0.95rem;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .dc-sec__title::after {
  content: "";
  display: block;
  width: 2.6rem;
  height: 3px;
  margin-top: 0.62rem;
  background: linear-gradient(90deg, var(--blue), var(--violet));
}

.page-disclaimer .dc-sec__body p {
  margin: 0 0 0.9rem;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--dc-ink-soft);
}

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

.page-disclaimer .dc-doc a {
  color: var(--blue-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.page-disclaimer .dc-doc a:hover {
  color: var(--violet);
}

.page-disclaimer .dc-list {
  list-style: none;
  margin: 0 0 0.95rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-disclaimer .dc-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--dc-ink-soft);
}

.page-disclaimer .dc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--blue);
  transform: rotate(45deg);
}

.page-disclaimer .dc-list strong {
  color: var(--ink);
  font-weight: 700;
}

.page-disclaimer .dc-note {
  margin: 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--amber);
  background: rgba(255, 176, 32, 0.14);
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: #3a3f4b;
}

.page-disclaimer .dc-contact {
  display: grid;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--dc-paper-line);
  background: rgba(11, 13, 18, 0.04);
}

.page-disclaimer .dc-contact dt {
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  color: #5a6070;
}

.page-disclaimer .dc-contact dd {
  margin: 0 0 0.35rem;
  font-size: var(--fs-body);
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 收束区 ---------- */
.page-disclaimer .dc-foot {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(100% 160% at 10% 0%, rgba(11, 95, 255, 0.24), transparent 62%),
    var(--graphite);
  padding-block: clamp(1.8rem, 5vw, 3rem);
}

.page-disclaimer .dc-foot__inner {
  display: grid;
  gap: 0.7rem;
}

.page-disclaimer .dc-foot .index-label {
  color: var(--violet);
  letter-spacing: 0.14em;
}

.page-disclaimer .dc-foot__title {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--paper);
}

.page-disclaimer .dc-foot__desc {
  margin: 0;
  max-width: 56ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--fg-soft);
}

.page-disclaimer .dc-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .dc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-disclaimer .dc-body {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-disclaimer .dc-doc {
    order: 1;
  }

  .page-disclaimer .dc-rail {
    order: 2;
    position: sticky;
    top: calc(var(--header-offset) + 1rem);
  }
}

@media (min-width: 640px) {
  .page-disclaimer .dc-contact {
    grid-template-columns: 6rem minmax(0, 1fr);
    align-items: baseline;
    row-gap: 0.55rem;
  }

  .page-disclaimer .dc-contact dd {
    margin-bottom: 0;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer {
    background: #ffffff;
    color: #000000;
    padding-bottom: 0;
  }

  .page-disclaimer .crumbs,
  .page-disclaimer .dc-rail,
  .page-disclaimer .dc-hero__fig,
  .page-disclaimer .dc-foot {
    display: none;
  }

  .page-disclaimer .dc-hero {
    background: #ffffff;
    color: #000000;
    border: 0;
    padding-block: 0 0.8rem;
  }

  .page-disclaimer .dc-hero::after {
    display: none;
  }

  .page-disclaimer .dc-hero__title,
  .page-disclaimer .dc-hero__desc,
  .page-disclaimer .dc-hero__facts {
    color: #000000;
  }

  .page-disclaimer .dc-hero__facts li {
    border-color: #bbbbbb;
    background: none;
  }

  .page-disclaimer .dc-hero__facts .num {
    color: #0846c4;
  }

  .page-disclaimer .dc-body {
    display: block;
    padding-block: 0;
  }

  .page-disclaimer .dc-doc {
    background: #ffffff;
    color: #000000;
    box-shadow: none;
  }

  .page-disclaimer .dc-sec {
    break-inside: avoid;
  }

  .page-disclaimer .dc-sec__bar {
    background: #eeeeee;
    color: #000000;
    border-top: 0;
  }

  .page-disclaimer .dc-sec__bar::after {
    display: none;
  }

  .page-disclaimer .dc-sec__num {
    color: #0846c4;
  }

  .page-disclaimer .dc-sec__label,
  .page-disclaimer .dc-sec__body p,
  .page-disclaimer .dc-list li,
  .page-disclaimer .dc-contact dd {
    color: #000000;
  }

  .page-disclaimer .dc-contact {
    border-color: #cccccc;
    background: none;
  }
}