.page-disclaimer {
  --doc-hair: rgba(138, 151, 166, 0.24);
  --doc-hair-strong: rgba(138, 151, 166, 0.42);
  --doc-idx-w: 26px;
  position: relative;
  overflow-x: hidden;
  background: var(--void);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
}

.page-disclaimer img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-disclaimer h1,
.page-disclaimer h2,
.page-disclaimer h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-disclaimer p {
  margin: 0;
}

.page-disclaimer a {
  color: var(--cyan);
  text-decoration: none;
}

.page-disclaimer a:hover {
  text-decoration: underline;
}

/* ---------- 顶部坐标条 ---------- */

.page-disclaimer .coord-trail {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-disclaimer .coord-trail a {
  color: var(--rock);
  text-decoration: none;
}

.page-disclaimer .coord-trail a:hover {
  color: var(--cyan);
  text-decoration: none;
}

.page-disclaimer .coord-trail [aria-current="page"] {
  color: var(--cyan);
}

.page-disclaimer .coord-trail-sep {
  color: var(--doc-hair-strong);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .doc-hero {
  position: relative;
  padding: clamp(28px, 6vw, 68px) 0 clamp(26px, 4.4vw, 52px);
  border-bottom: 1px solid var(--line-1);
  background:
    radial-gradient(120% 100% at 88% 0%, rgba(57, 242, 200, 0.12), transparent 60%),
    linear-gradient(166deg, var(--abyss) 0%, var(--void) 62%);
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, var(--grid-line) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px 44px);
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: 0;
  width: 46%;
  height: 58%;
  pointer-events: none;
  background: linear-gradient(12deg, rgba(255, 138, 61, 0.14), rgba(255, 138, 61, 0));
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
}

.page-disclaimer .doc-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 44px);
}

.page-disclaimer .doc-hero-copy .kicker {
  display: block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .doc-hero-copy h1 {
  max-width: 18ch;
  font-size: clamp(2.05rem, 6.2vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.page-disclaimer .doc-lead {
  max-width: 46ch;
  margin-top: 18px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: rgba(242, 245, 247, 0.84);
}

.page-disclaimer .doc-hero-note {
  display: inline-block;
  margin-top: 22px;
  padding-top: 12px;
  border-top: 1px solid var(--doc-hair-strong);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  color: var(--rock);
}

/* 首屏图 */

.page-disclaimer .doc-hero-figure {
  position: relative;
  margin: 0;
  border: 2px solid var(--doc-hair-strong);
  background: rgba(11, 34, 57, 0.62);
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .doc-frame-tag {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  padding: 3px 9px;
  background: var(--cyan);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.1em;
}

.page-disclaimer .doc-hero-figure img {
  width: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.06);
}

.page-disclaimer .doc-hero-figure .media-caption {
  padding: 10px 12px 12px;
  border-top: 1px solid var(--doc-hair);
  font-size: var(--fs-meta);
  line-height: 1.6;
  color: var(--rock);
}

/* ---------- 主体布局 ---------- */

.page-disclaimer .doc-body {
  padding: clamp(28px, 5vw, 64px) 0 clamp(44px, 7vw, 92px);
}

.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

/* ---------- 左侧索引 ---------- */

.page-disclaimer .doc-toc {
  border: 2px solid var(--doc-hair-strong);
  padding: 16px 16px 14px;
  background: linear-gradient(180deg, rgba(20, 58, 92, 0.6), rgba(5, 7, 13, 0.4));
}

.page-disclaimer .doc-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-disclaimer .doc-toc-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-toc-link {
  display: grid;
  grid-template-columns: var(--doc-idx-w) minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 7px 6px;
  border-left: 2px solid transparent;
  color: rgba(242, 245, 247, 0.74);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-disclaimer .doc-toc-link:hover {
  background: rgba(91, 209, 230, 0.08);
  border-left-color: var(--orange);
  color: var(--bone);
  text-decoration: none;
}

.page-disclaimer .doc-toc-idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-disclaimer .doc-top {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.08em;
  color: var(--rock);
  text-decoration: none;
}

.page-disclaimer .doc-top:hover {
  color: var(--cyan);
  text-decoration: none;
}

/* ---------- 条款章节 ---------- */

.page-disclaimer .doc-sections {
  min-width: 0;
}

.page-disclaimer .doc-section + .doc-section {
  margin-top: clamp(28px, 4.4vw, 54px);
}

.page-disclaimer .doc-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-top: 14px;
  border-top: 2px solid var(--doc-hair-strong);
}

.page-disclaimer .doc-section-head::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  min-width: 20px;
  background: repeating-linear-gradient(90deg, var(--doc-hair-strong) 0 6px, transparent 6px 14px);
}

.page-disclaimer .doc-marker {
  flex: none;
  padding: 2px 7px;
  border: 1px solid rgba(57, 242, 200, 0.5);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.1em;
}

.page-disclaimer .doc-section-head h2 {
  font-size: var(--fs-h3);
  line-height: 1.28;
}

.page-disclaimer .doc-section > p {
  max-width: 68ch;
  margin-top: 16px;
  line-height: 1.85;
  color: rgba(242, 245, 247, 0.82);
}

.page-disclaimer .doc-section > p + p {
  margin-top: 12px;
}

.page-disclaimer .doc-section h3 {
  margin-bottom: 8px;
  font-size: 1.0625rem;
  line-height: 1.4;
}

/* 要点列表 */

.page-disclaimer .doc-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: rgba(242, 245, 247, 0.82);
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  transform: translateY(-50%) rotate(45deg);
}

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

/* 数据条 */

.page-disclaimer .doc-stats {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  border: 1px solid var(--doc-hair);
  background: var(--doc-hair);
}

.page-disclaimer .doc-stat {
  padding: 16px 18px;
  background: linear-gradient(180deg, rgba(11, 34, 57, 0.85), rgba(5, 7, 13, 0.7));
}

.page-disclaimer .doc-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-disclaimer .doc-stat-label {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-meta);
  line-height: 1.5;
  color: var(--rock);
}

/* 双版本对照 */

.page-disclaimer .doc-compare {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-disclaimer .doc-version {
  padding: 18px 18px 20px;
  border: 2px solid var(--doc-hair-strong);
  background: rgba(5, 7, 13, 0.55);
  transition: transform 0.2s ease;
}

.page-disclaimer .doc-version:hover {
  transform: translate(-2px, -2px);
}

.page-disclaimer .doc-version--warm {
  border-color: rgba(255, 138, 61, 0.55);
  box-shadow: var(--shadow-hard-warm);
}

.page-disclaimer .doc-version--cool {
  border-color: rgba(91, 209, 230, 0.55);
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .doc-version-tag {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.1em;
}

.page-disclaimer .doc-version--warm .doc-version-tag {
  color: var(--orange);
}

.page-disclaimer .doc-version--cool .doc-version-tag {
  color: var(--cool);
}

.page-disclaimer .doc-version p {
  margin-top: 8px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(242, 245, 247, 0.78);
}

/* 折叠问答 */

.page-disclaimer .doc-faq {
  margin-top: 22px;
  border-top: 1px solid var(--doc-hair);
}

.page-disclaimer .doc-faq details {
  border-bottom: 1px solid var(--doc-hair);
}

.page-disclaimer .doc-faq summary {
  position: relative;
  padding: 14px 0 14px 26px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  color: var(--bone);
  list-style: none;
}

.page-disclaimer .doc-faq summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .doc-faq summary::before {
  content: "+";
  position: absolute;
  top: 12px;
  left: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--cyan);
}

.page-disclaimer .doc-faq details[open] summary::before {
  content: "–";
  color: var(--orange);
}

.page-disclaimer .doc-faq details p {
  margin: 0 0 16px;
  padding-left: 26px;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(242, 245, 247, 0.76);
}

/* 联系区块 */

.page-disclaimer .doc-contact {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-disclaimer .doc-contact-card {
  padding: 18px;
  border: 2px solid rgba(57, 242, 200, 0.42);
  background: linear-gradient(135deg, rgba(20, 58, 92, 0.85), rgba(5, 7, 13, 0.9));
}

.page-disclaimer .doc-contact-label {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-disclaimer .doc-mail {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.6vw, 1.0625rem);
  line-height: 1.4;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-disclaimer .doc-contact-note {
  margin-top: 8px;
  font-size: var(--fs-meta);
  line-height: 1.65;
  color: var(--rock);
}

.page-disclaimer .doc-contact-more {
  max-width: 68ch;
  margin-top: 16px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(242, 245, 247, 0.76);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .doc-hero-note {
    margin-top: 26px;
  }

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

  .page-disclaimer .doc-toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 10px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-disclaimer .doc-hero-figure {
    transform: rotate(-1.1deg);
    transform-origin: bottom right;
  }

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

@media (min-width: 980px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-disclaimer .doc-toc {
    position: sticky;
    top: calc(var(--rail-h) + var(--bar-h) + 18px);
  }

  .page-disclaimer .doc-toc-list {
    grid-template-columns: 1fr;
  }

  .page-disclaimer .doc-compare {
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-toc-link,
  .page-disclaimer .doc-version {
    transition: none;
  }

  .page-disclaimer .doc-version:hover,
  .page-disclaimer .doc-hero-figure {
    transform: none;
  }
}