.page-disclaimer {
  --disc-side: 188px;
  --disc-gap: clamp(24px, 4vw, 52px);
  background: var(--green-950);
}

.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible,
.page-disclaimer button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 首屏 */
.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(78px, 12vw, 126px) 0 clamp(36px, 6vw, 64px);
  background: var(--green-950);
}

.page-disclaimer .disc-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-disclaimer .disc-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-disclaimer .disc-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(52, 214, 196, 0.16), transparent 58%),
    linear-gradient(180deg, rgba(4, 29, 24, 0.42) 0%, rgba(4, 29, 24, 0.9) 62%, var(--green-950) 100%);
}

.page-disclaimer .disc-hero-inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.page-disclaimer .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--copper);
}

.page-disclaimer .breadcrumb-link {
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .breadcrumb-link:hover {
  color: var(--cyan);
}

.page-disclaimer .breadcrumb-current {
  color: var(--mist);
}

.page-disclaimer .disc-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 18px;
}

.page-disclaimer .version-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(52, 214, 196, 0.34);
  background: rgba(52, 214, 196, 0.1);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-disclaimer .version-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(52, 214, 196, 0.18);
}

.page-disclaimer .disc-badges .tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.page-disclaimer h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.page-disclaimer .disc-lead {
  max-width: 46ch;
  margin: 20px 0 0;
  color: var(--text-muted);
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  line-height: 1.7;
}

/* 正文手册区 */
.page-disclaimer .disc-doc {
  padding: clamp(44px, 7vw, 76px) 0 clamp(64px, 9vw, 108px);
  background: linear-gradient(180deg, var(--green-950) 0%, var(--green-900) 24%, var(--green-900) 100%);
}

.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  max-width: 1040px;
  margin: 0 auto;
}

.page-disclaimer .disc-toc {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(217, 210, 199, 0.05);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-disclaimer .disc-toc-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--copper);
}

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

.page-disclaimer .disc-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--text-muted);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .disc-toc-list a:hover {
  background: rgba(52, 214, 196, 0.1);
  color: var(--paper);
}

.page-disclaimer .disc-toc-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-disclaimer .disc-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-decoration: none;
}

.page-disclaimer .disc-back::before {
  content: "←";
  font-size: 0.85rem;
}

.page-disclaimer .disc-back:hover {
  color: var(--gold-bright);
}

/* 章节 */
.page-disclaimer .disc-body {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-disclaimer .disc-sec {
  display: grid;
  gap: 14px;
  padding: clamp(24px, 4vw, 34px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 108px;
}

.page-disclaimer .disc-body > .disc-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .disc-sec-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.45rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-disclaimer .disc-sec-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.1;
  padding: 3px 7px;
  border: 1px solid rgba(52, 214, 196, 0.42);
  border-radius: 4px;
  color: var(--cyan);
}

.page-disclaimer .disc-sec p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.72;
}

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

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--copper);
}

/* 版本对照小图 */
.page-disclaimer .disc-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(4, 29, 24, 0.5);
}

.page-disclaimer .disc-path {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line-strong);
}

.page-disclaimer .disc-path--now {
  border: 1px solid rgba(224, 178, 74, 0.45);
  background: rgba(224, 178, 74, 0.08);
}

.page-disclaimer .disc-path-k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-disclaimer .disc-path--now .disc-path-k {
  color: var(--gold);
}

.page-disclaimer .disc-path-v {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* 折叠 */
.page-disclaimer .disclosure {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(4, 29, 24, 0.45);
  overflow: hidden;
}

.page-disclaimer .disclosure summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

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

.page-disclaimer .disclosure summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 0.95rem;
  line-height: 1;
}

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

.page-disclaimer .disclosure-body {
  display: grid;
  gap: 8px;
  padding: 0 16px 16px;
}

.page-disclaimer .disclosure-body p {
  font-size: 0.9rem;
  line-height: 1.7;
}

/* 联系 */
.page-disclaimer .disc-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius-sm);
  background: rgba(4, 29, 24, 0.55);
}

.page-disclaimer .disc-contact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-disclaimer .disc-mail {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-all;
}

.page-disclaimer .copy-btn {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(224, 178, 74, 0.5);
  background: rgba(224, 178, 74, 0.1);
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .copy-btn:hover {
  background: rgba(224, 178, 74, 0.2);
  border-color: rgba(224, 178, 74, 0.8);
}

.page-disclaimer .disc-note {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.page-disclaimer .disc-note a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(191, 216, 209, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-note a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* 断点 */
@media (min-width: 640px) {
  .page-disclaimer .disc-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 16px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: var(--disc-side) minmax(0, 1fr);
    gap: var(--disc-gap);
  }

  .page-disclaimer .disc-toc {
    position: sticky;
    top: 104px;
    align-self: start;
    padding: 20px 18px;
  }

  .page-disclaimer .disc-body {
    max-width: 680px;
  }

  .page-disclaimer .disc-sec p {
    font-size: 1rem;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .disc-lead {
    max-width: 52ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-toc-list a,
  .page-disclaimer .copy-btn,
  .page-disclaimer .disc-note a,
  .page-disclaimer .breadcrumb-link {
    transition: none;
  }
}