.page-disclaimer {
  --us-w: 1080px;
  --us-text: rgba(241, 244, 241, 0.88);
  --us-text-dim: rgba(147, 169, 191, 0.95);
  --us-hair: rgba(147, 169, 191, 0.22);
  --us-hair-strong: rgba(147, 169, 191, 0.46);

  display: block;
  background: var(--pitch-900);
  color: var(--paper);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.page-disclaimer *,
.page-disclaimer *::before,
.page-disclaimer *::after {
  box-sizing: border-box;
}

.page-disclaimer a {
  color: inherit;
  text-decoration: none;
}

.page-disclaimer :focus-visible {
  outline: 2px solid var(--signal-orange);
  outline-offset: 3px;
}

.page-disclaimer .us-wrap {
  width: 100%;
  max-width: var(--us-w);
  margin: 0 auto;
  padding-left: clamp(18px, 4vw, 40px);
  padding-right: clamp(18px, 4vw, 40px);
}

/* ---------- 面包屑条 ---------- */
.page-disclaimer .us-topbar {
  background: var(--charcoal-900);
  border-bottom: 1px solid var(--us-hair);
  padding: 13px 0;
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--cool-slate);
}

.page-disclaimer .breadcrumb a {
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--signal-orange);
  border-bottom-color: var(--signal-orange);
}

.page-disclaimer .us-sep {
  color: rgba(147, 169, 191, 0.5);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .us-hero {
  position: relative;
  padding: clamp(42px, 7vw, 84px) 0 clamp(34px, 5vw, 58px);
  border-bottom: 2px solid var(--warning-yellow);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 6% 0%, rgba(14, 59, 44, 0.95) 0%, rgba(8, 37, 28, 0) 64%),
    linear-gradient(180deg, var(--pitch-900) 0%, var(--charcoal-900) 100%);
}

.page-disclaimer .us-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(147, 169, 191, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 169, 191, 0.07) 1px, transparent 1px);
  background-size: 52px 52px;
}

.page-disclaimer .us-hero > .us-wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .us-kicker {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--signal-orange);
}

.page-disclaimer .us-hero__title {
  margin: 0 0 22px;
  font-size: clamp(44px, 10vw, 88px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-disclaimer .us-hero__lead {
  margin: 0;
  max-width: 33em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--us-text);
}

.page-disclaimer .us-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 22px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--us-hair);
}

.page-disclaimer .us-hero__facts li {
  padding-left: 11px;
  border-left: 2px solid rgba(242, 199, 68, 0.7);
  font-size: 13px;
  line-height: 1.6;
  color: var(--cool-slate);
}

.page-disclaimer .us-fact__n {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .us-toc {
  position: sticky;
  top: var(--head-h);
  z-index: 20;
  background: rgba(16, 19, 23, 0.96);
  border-bottom: 1px solid var(--us-hair);
  backdrop-filter: blur(4px);
}

.page-disclaimer .us-toc__list {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .us-toc__list li {
  flex: 0 0 auto;
}

.page-disclaimer .us-toc__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 14px;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--cool-slate);
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .us-toc__list a .mono {
  color: var(--warning-yellow);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-disclaimer .us-toc__list a:hover,
.page-disclaimer .us-toc__list a:focus-visible {
  color: var(--paper);
  background: rgba(255, 107, 26, 0.09);
  border-bottom-color: var(--signal-orange);
}

/* ---------- 章节骨架 ---------- */
.page-disclaimer .us-sec {
  position: relative;
  padding: clamp(46px, 6vw, 84px) 0;
  border-top: 2px solid var(--warning-yellow);
  background: var(--pitch-900);
}

.page-disclaimer .us-sec::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(242, 199, 68, 0.5) 0 1px,
    transparent 1px 22px
  );
}

.page-disclaimer .us-sec--deep {
  background: var(--pitch-700);
}

.page-disclaimer .us-sec--indigo {
  background: var(--indigo-800);
}

.page-disclaimer .us-sec--charcoal {
  background: var(--charcoal-900);
}

.page-disclaimer .us-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  margin-bottom: 18px;
}

.page-disclaimer .us-sec__num {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  padding-left: 8px;
  border-left: 2px solid var(--warning-yellow);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--warning-yellow);
  line-height: 1;
}

.page-disclaimer .us-sec__title {
  margin: 0;
  font-size: clamp(24px, 4.4vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .us-sec__sum {
  margin: 0 0 24px;
  padding: 15px 18px;
  font-size: clamp(19px, 2.8vw, 27px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
  background: var(--glass-white);
  border-left: 4px solid var(--warning-yellow);
}

.page-disclaimer .us-body {
  max-width: 40em;
}

.page-disclaimer .us-body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--us-text);
}

.page-disclaimer .us-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .us-body a {
  color: var(--signal-orange);
  border-bottom: 1px solid rgba(255, 107, 26, 0.4);
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .us-body a:hover {
  border-bottom-color: var(--signal-orange);
}

/* ---------- 三类来源 ---------- */
.page-disclaimer .us-sources {
  display: grid;
  gap: 1px;
  margin: 24px 0;
  background: var(--us-hair);
  border: 1px solid var(--us-hair);
}

.page-disclaimer .us-source {
  padding: 18px;
  background: rgba(16, 19, 23, 0.62);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-disclaimer .us-source:hover {
  background: rgba(23, 35, 63, 0.78);
  box-shadow: inset 3px 0 0 var(--signal-orange);
}

.page-disclaimer .us-source__k {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--warning-yellow);
}

.page-disclaimer .us-source__v {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-disclaimer .us-source__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool-slate);
}

/* ---------- 四级流程 ---------- */
.page-disclaimer .us-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--us-hair);
  border: 1px solid var(--us-hair);
}

.page-disclaimer .us-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(8, 37, 28, 0.72);
}

.page-disclaimer .us-step__n {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal-orange);
}

.page-disclaimer .us-step__t {
  font-size: 14px;
  font-weight: 500;
  color: var(--paper);
}

/* ---------- 折叠说明 ---------- */
.page-disclaimer .us-more {
  margin-top: 24px;
  border: 1px solid var(--us-hair);
  background: rgba(16, 19, 23, 0.42);
}

.page-disclaimer .us-more > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--warning-yellow);
  transition: background-color var(--dur) var(--ease);
}

.page-disclaimer .us-more > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .us-more > summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--signal-orange);
}

.page-disclaimer .us-more[open] > summary::before {
  content: "–";
}

.page-disclaimer .us-more > summary:hover {
  background: rgba(255, 107, 26, 0.09);
}

.page-disclaimer .us-more__body {
  padding: 0 18px 18px;
}

.page-disclaimer .us-more__body p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--us-text);
}

/* ---------- 更新时间视觉 ---------- */
.page-disclaimer .us-figure {
  margin: 0 0 26px;
  border: 1px solid var(--us-hair-strong);
  background: var(--charcoal-900);
}

.page-disclaimer .us-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .us-figure__cap {
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cool-slate);
  border-top: 1px solid var(--us-hair);
}

.page-disclaimer .us-timeline {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--us-hair);
}

.page-disclaimer .us-tl-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 8px 18px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px dashed rgba(147, 169, 191, 0.28);
}

.page-disclaimer .us-tl__k {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--signal-orange);
}

.page-disclaimer .us-tl__t {
  font-size: 15px;
  line-height: 1.75;
  color: var(--us-text);
}

/* ---------- 并排对照 ---------- */
.page-disclaimer .us-compare {
  display: grid;
  gap: 1px;
  margin-top: 4px;
  background: var(--us-hair-strong);
  border: 1px solid var(--us-hair-strong);
}

.page-disclaimer .us-compare__col {
  padding: 20px 18px;
  background: rgba(14, 59, 44, 0.85);
}

.page-disclaimer .us-compare__col--alt {
  background: rgba(23, 35, 63, 0.85);
}

.page-disclaimer .us-compare__tag {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--warning-yellow);
}

.page-disclaimer .us-compare__list {
  margin: 0;
}

.page-disclaimer .us-compare__list dt {
  margin-top: 16px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-disclaimer .us-compare__list dt:first-child {
  margin-top: 0;
}

.page-disclaimer .us-compare__list dd {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool-slate);
}

/* ---------- 引用格式块 ---------- */
.page-disclaimer .us-cite {
  margin: 20px 0;
  padding: 16px 18px;
  max-width: 40em;
  overflow-x: auto;
  border: 1px solid var(--us-hair-strong);
  border-left: 3px solid var(--signal-orange);
  background: var(--charcoal-900);
  color: var(--cool-slate);
}

.page-disclaimer .us-cite code {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  line-height: 1.95;
  white-space: pre-wrap;
}

/* ---------- 联系方式 ---------- */
.page-disclaimer .us-contact {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  background: var(--us-hair);
  border: 1px solid var(--us-hair);
}

.page-disclaimer .us-contact__item {
  padding: 20px 18px;
  background: rgba(16, 19, 23, 0.6);
}

.page-disclaimer .us-contact__k {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--warning-yellow);
}

.page-disclaimer .us-contact__v {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  word-break: break-all;
  color: var(--paper);
  user-select: all;
}

.page-disclaimer .us-contact__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool-slate);
}

/* ---------- 接着看 ---------- */
.page-disclaimer .us-next {
  padding: clamp(42px, 6vw, 76px) 0;
  background: var(--pitch-900);
  border-top: 12px solid var(--wine-800);
}

.page-disclaimer .us-next__title {
  margin: 0 0 22px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-disclaimer .us-next__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--us-hair);
  border: 1px solid var(--us-hair);
}

.page-disclaimer .us-next__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  padding: 16px 18px;
  background: rgba(16, 19, 23, 0.62);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-disclaimer .us-next__list a:hover {
  background: rgba(23, 35, 63, 0.8);
  box-shadow: inset 3px 0 0 var(--signal-orange);
}

.page-disclaimer .us-next__code {
  grid-row: 1 / span 2;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal-orange);
}

.page-disclaimer .us-next__label {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-disclaimer .us-next__d {
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool-slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .us-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-disclaimer .us-sources {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-disclaimer .us-compare {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .us-tl-row {
    grid-template-columns: 90px minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .us-toc {
    top: 0;
  }

  .page-disclaimer .us-hero__lead {
    font-size: 18px;
  }

  .page-disclaimer .us-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
</main>