.page-disclaimer {
  --doc-w: 780px;
  --lead: #cbd7e3;
  --rule: rgba(143, 163, 184, 0.18);
  background: var(--ink-800);
  color: var(--white);
  padding-top: clamp(20px, 4vw, 36px);
  overflow-x: clip;
}

.page-disclaimer .breadcrumbs {
  margin-bottom: clamp(22px, 3vw, 32px);
}

/* ---------- 页首 ---------- */
.page-disclaimer .doc-hero {
  margin-bottom: clamp(40px, 6vw, 68px);
}

.page-disclaimer .doc-hero-grid {
  display: grid;
  gap: 26px;
}

.page-disclaimer .eyebrow {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  margin: 0;
}

.page-disclaimer .doc-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
}

.page-disclaimer .doc-lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--lead);
}

.page-disclaimer .doc-meta {
  margin: 20px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

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

.page-disclaimer .doc-toc {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .doc-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--ink-700);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease),
    background-color 180ms var(--ease);
}

.page-disclaimer .doc-toc a:hover,
.page-disclaimer .doc-toc a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: #1a3a5c;
}

.page-disclaimer .doc-toc .num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-disclaimer .doc-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--rule);
  background: linear-gradient(160deg, var(--ink-700), var(--ink-900));
}

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

.page-disclaimer .doc-note-rail {
  display: none;
}

/* ---------- 章节 ---------- */
.page-disclaimer .doc-section {
  max-width: var(--doc-w);
  padding: clamp(34px, 5vw, 54px) 0;
}

.page-disclaimer .doc-section + .doc-section {
  border-top: 1px solid var(--rule);
  margin-top: clamp(16px, 3vw, 28px);
}

.page-disclaimer .sec-band {
  display: block;
  width: 58px;
  height: 4px;
  border-radius: 2px;
  margin-bottom: 18px;
}

.page-disclaimer .band-cyan { background: var(--cyan); }
.page-disclaimer .band-yellow { background: var(--yellow); }
.page-disclaimer .band-red { background: var(--red); }
.page-disclaimer .band-green { background: var(--green); }
.page-disclaimer .band-white { background: var(--white); }

.page-disclaimer .sec-head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-disclaimer .sec-num {
  position: relative;
  isolation: isolate;
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  padding: 8px 12px;
  border-radius: 8px;
}

.page-disclaimer .sec-num::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: 8px;
  background: rgba(20, 48, 77, 0.92);
  transform: skewX(-12deg);
}

.page-disclaimer .doc-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.6vw, 31px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-disclaimer .doc-body {
  margin-top: 22px;
  max-width: 62ch;
}

.page-disclaimer .doc-body p {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: var(--lead);
}

.page-disclaimer .doc-body p + p {
  margin-top: 32px;
}

.page-disclaimer .doc-body strong {
  color: var(--amber);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-disclaimer .doc-body a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer .doc-body a:hover,
.page-disclaimer .doc-body a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-disclaimer .doc-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 20px;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.75;
  color: var(--lead);
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-disclaimer #timing .doc-list li::before { background: var(--yellow); }
.page-disclaimer #media .doc-list li::before { background: var(--red); }
.page-disclaimer #input .doc-list li::before { background: var(--green); }

.page-disclaimer .doc-list + p {
  margin-top: 28px;
}

.page-disclaimer .doc-callout {
  margin-top: 30px;
  padding: 20px 22px;
  background: var(--ink-700);
  border-left: 4px solid var(--amber);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-disclaimer .doc-callout p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--lead);
}

.page-disclaimer .doc-callout strong {
  color: var(--amber);
  font-family: var(--font-body);
  font-weight: 700;
}

/* ---------- 联系信息 ---------- */
.page-disclaimer .doc-contact {
  margin-top: 26px;
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(20, 48, 77, 0.95), rgba(6, 16, 28, 0.92));
  display: grid;
  gap: 14px;
}

.page-disclaimer .doc-contact-item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.7;
}

.page-disclaimer .doc-contact-label {
  flex: none;
  min-width: 62px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-disclaimer .doc-contact-value {
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 14px;
  word-break: break-word;
}

.page-disclaimer .doc-contact-value a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer .doc-contact-value a:hover,
.page-disclaimer .doc-contact-value a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 页尾带 ---------- */
.page-disclaimer .doc-end {
  margin-top: clamp(44px, 7vw, 76px);
  background: var(--ink-900);
  padding: clamp(32px, 5vw, 52px) 0;
  border-top: 1px solid var(--rule);
}

.page-disclaimer .doc-end-inner {
  display: grid;
  gap: 22px;
}

.page-disclaimer .doc-end-text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--lead);
}

.page-disclaimer .doc-end-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-disclaimer .doc-top {
  text-decoration: none;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-disclaimer .doc-toc {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
    gap: 34px;
  }

  .page-disclaimer .doc-end-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-disclaimer .doc-section {
    padding-left: 0;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .doc-hero-grid {
    grid-template-columns: minmax(0, 1fr) 340px 30px;
    gap: 38px;
  }

  .page-disclaimer .doc-note-rail {
    display: block;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    margin: 6px 0 0;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.34em;
    color: var(--mist);
    align-self: start;
  }
}