.page-disclaimer {
  --doc-text: #C9D7E6;
  --doc-lede: #C6D4E4;
  --clause-gap: clamp(2.4rem, 6vw, 4rem);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-head {
  position: relative;
  overflow: hidden;
  padding-top: clamp(2.4rem, 6vw, 4.5rem);
}

.page-disclaimer .doc-head::before {
  content: "";
  position: absolute;
  top: -140px;
  left: -20%;
  right: -20%;
  height: 520px;
  background:
    radial-gradient(58% 100% at 18% 0%, rgba(43, 232, 208, 0.11), transparent 70%),
    radial-gradient(48% 100% at 88% 12%, rgba(255, 122, 47, 0.08), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .doc-head > * {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumb {
  margin: 0 0 clamp(1.4rem, 4vw, 2.4rem);
}

.page-disclaimer .doc-head .eyebrow {
  margin: 0 0 0.7rem;
}

.page-disclaimer .doc-head h1 {
  margin: 0 0 1.1rem;
  font-size: clamp(2.3rem, 7.5vw, 4.4rem);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.012em;
}

.page-disclaimer .doc-head .lede {
  max-width: 44ch;
  margin: 0;
  font-size: clamp(1.0313rem, 1.9vw, 1.2188rem);
  line-height: 1.78;
  color: var(--doc-lede);
}

.page-disclaimer .doc-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: clamp(1.6rem, 4vw, 2.2rem) 0 0;
  padding: 0;
}

.page-disclaimer .doc-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--ink-800);
  font-size: 0.8125rem;
  line-height: 1.4;
}

.page-disclaimer .meta-key {
  color: var(--muted);
}

.page-disclaimer .meta-val {
  color: var(--paper);
}

.page-disclaimer .meta-val a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 208, 0.45);
}

.page-disclaimer .meta-val a:hover,
.page-disclaimer .meta-val a:focus-visible {
  border-bottom-color: var(--aqua);
}

.page-disclaimer .doc-visual {
  margin: clamp(2rem, 5vw, 3rem) auto 0;
}

.page-disclaimer .doc-visual .media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.page-disclaimer .doc-visual figcaption {
  margin-top: 0.85rem;
  font-size: 0.8125rem;
  line-height: 1.6;
}

/* ---------- 主体分栏 ---------- */
.page-disclaimer .doc-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3rem);
  padding-top: clamp(2.6rem, 7vw, 5rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

@media (min-width: 60em) {
  .page-disclaimer .doc-body {
    grid-template-columns: 15.5rem minmax(0, 1fr);
    gap: 4rem;
  }
}

/* ---------- 目录 ---------- */
.page-disclaimer .doc-toc {
  align-self: start;
}

@media (min-width: 60em) {
  .page-disclaimer .doc-toc {
    position: sticky;
    top: 7rem;
  }
}

.page-disclaimer .toc-title {
  margin: 0 0 0.85rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-disclaimer .toc-list {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-disclaimer .toc-list a {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  white-space: nowrap;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.3;
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-disclaimer .toc-list .num {
  color: var(--aqua);
  font-size: 1.05em;
  opacity: 0.9;
}

.page-disclaimer .toc-list a:hover,
.page-disclaimer .toc-list a:focus-visible {
  color: var(--paper);
  background: var(--raise);
  border-color: var(--aqua);
}

@media (min-width: 60em) {
  .page-disclaimer .toc-list {
    flex-direction: column;
    overflow: visible;
    gap: 0.2rem;
    padding-bottom: 0;
  }

  .page-disclaimer .toc-list a {
    border-color: transparent;
    border-radius: var(--radius-md);
    padding: 0.6rem 0.85rem;
  }
}

/* ---------- 条款 ---------- */
.page-disclaimer .doc-main {
  max-width: 46rem;
  min-width: 0;
}

.page-disclaimer .clause {
  padding-top: clamp(1.7rem, 4vw, 2.5rem);
  margin-bottom: var(--clause-gap);
  scroll-margin-top: 5.5rem;
}

.page-disclaimer .clause::before {
  content: "";
  display: block;
  width: 4.5rem;
  height: 2px;
  border-radius: 2px;
  margin-bottom: 1.5rem;
  background: linear-gradient(90deg, var(--aqua), rgba(43, 232, 208, 0));
}

.page-disclaimer .clause:first-child {
  padding-top: 0;
}

.page-disclaimer .clause:first-child::before {
  display: none;
}

.page-disclaimer .clause:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause-h {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin: 0 0 1.25rem;
  font-size: clamp(1.3rem, 3.2vw, 1.75rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-disclaimer .clause-num {
  flex: none;
  font-size: clamp(1.9rem, 5.5vw, 2.6rem);
  line-height: 0.9;
  color: var(--aqua);
  opacity: 0.82;
}

.page-disclaimer .clause-body {
  color: var(--doc-text);
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
}

.page-disclaimer .clause-body p {
  margin: 0 0 1.05em;
}

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

.page-disclaimer .clause-body ul {
  margin: 0 0 1.05em;
  padding-left: 1.25em;
}

.page-disclaimer .clause-body li {
  margin-bottom: 0.5em;
}

.page-disclaimer .clause-body li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause-body li::marker {
  color: var(--aqua);
}

.page-disclaimer .clause-body a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 208, 0.4);
  transition: border-color 0.18s ease;
}

.page-disclaimer .clause-body a:hover,
.page-disclaimer .clause-body a:focus-visible {
  border-bottom-color: var(--aqua);
}

.page-disclaimer .clause-body a:focus-visible,
.page-disclaimer .toc-list a:focus-visible,
.page-disclaimer .meta-val a:focus-visible,
.page-disclaimer .doc-contact-note a:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------- 折叠补充 ---------- */
.page-disclaimer .clause-more {
  margin: 1.4rem 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  overflow: hidden;
}

.page-disclaimer .clause-more summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-disclaimer .clause-more summary::before {
  content: "";
  flex: none;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--aqua);
  transition: background-color 0.18s ease;
}

.page-disclaimer .clause-more[open] summary::before {
  background: var(--amber);
}

.page-disclaimer .clause-more summary::after {
  content: "+";
  margin-left: auto;
  color: var(--aqua);
  font-size: 1.15rem;
  line-height: 1;
}

.page-disclaimer .clause-more[open] summary::after {
  content: "–";
}

.page-disclaimer .clause-more summary:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: -2px;
}

.page-disclaimer .more-body {
  padding: 0 1.15rem 1.15rem;
  color: var(--doc-text);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-disclaimer .more-body ul {
  margin: 0;
  padding-left: 1.2em;
}

.page-disclaimer .more-body li {
  margin-bottom: 0.55em;
}

.page-disclaimer .more-body li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .more-body li::marker {
  color: var(--amber);
}

/* ---------- 联系方式块 ---------- */
.page-disclaimer .doc-contact {
  margin: 1.6rem 0 0;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
}

.page-disclaimer .doc-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-disclaimer .doc-contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.8rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-contact-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .doc-contact-label {
  flex: none;
  width: 4.6rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-disclaimer .doc-contact-value {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-disclaimer .doc-contact-list .copy-btn {
  margin-left: auto;
}

.page-disclaimer .doc-contact-note {
  margin: 1.1rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
}

.page-disclaimer .doc-contact-note a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 208, 0.4);
}

.page-disclaimer .doc-contact-note a:hover {
  border-bottom-color: var(--aqua);
}

/* ---------- 返回顶部 ---------- */
.page-disclaimer .doc-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(18, 35, 59, 0.94);
  color: var(--paper);
  font-size: 0.8125rem;
  line-height: 1;
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-disclaimer .doc-top:hover,
.page-disclaimer .doc-top:focus-visible {
  border-color: var(--aqua);
  color: var(--aqua);
}

.page-disclaimer .doc-top:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 2px;
}

@media (min-width: 60em) {
  .page-disclaimer .doc-top {
    right: 1.75rem;
    bottom: 1.75rem;
  }
}

/* ---------- 窄屏防溢出 ---------- */
@media (max-width: 30em) {
  .page-disclaimer .doc-meta {
    flex-direction: column;
    align-items: stretch;
  }

  .page-disclaimer .doc-meta li {
    justify-content: flex-start;
  }

  .page-disclaimer .clause-h {
    gap: 0.65rem;
  }

  .page-disclaimer .doc-contact-label {
    width: 100%;
  }

  .page-disclaimer .doc-contact-list .copy-btn {
    margin-left: 0;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-list a,
  .page-disclaimer .clause-more summary::before,
  .page-disclaimer .doc-top {
    transition: none;
  }
}