.page-disclaimer {
  --disc-line: rgba(46, 68, 122, 0.58);
  --disc-line-soft: rgba(46, 68, 122, 0.3);
  --disc-orange-soft: rgba(255, 154, 61, 0.12);
  position: relative;
  isolation: isolate;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(46, 68, 122, 0.34) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 68, 122, 0.34) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 34%, transparent 62%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 34%, transparent 62%);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  padding: clamp(2.25rem, 7vw, 4.5rem) 0 0;
}

.page-disclaimer .disc-hero-title {
  margin: 0.5rem 0 0;
  font-size: clamp(3rem, 15vw, 6.5rem);
  font-weight: 300;
  line-height: 0.96;
  letter-spacing: -0.04em;
  color: var(--text);
}

.page-disclaimer .disc-lead {
  max-width: 62ch;
  margin: clamp(1.15rem, 3.5vw, 1.9rem) 0 0;
  font-size: clamp(0.98rem, 2.2vw, 1.12rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .disc-meta {
  display: grid;
  gap: 0.85rem;
  margin-top: clamp(1.6rem, 4.5vw, 2.4rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--disc-line-soft);
}

.page-disclaimer .disc-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.page-disclaimer .disc-meta-k {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
}

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

@media (min-width: 768px) {
  .page-disclaimer .disc-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
  }
}

/* ---------- 氛围图 ---------- */

.page-disclaimer .disc-figure {
  margin-top: clamp(1.9rem, 5vw, 3rem);
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--disc-line-soft);
  object-fit: cover;
}

/* ---------- 目录 ---------- */

.page-disclaimer .disc-toc {
  margin-top: clamp(2.5rem, 7vw, 4.5rem);
}

.page-disclaimer .disc-toc-title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .disc-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.55rem;
}

.page-disclaimer .disc-toc-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1.05rem;
  border: 1px solid var(--disc-line-soft);
  border-radius: var(--r-md);
  background: var(--ink-1);
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.page-disclaimer .disc-toc-link:hover,
.page-disclaimer .disc-toc-link:focus-visible {
  border-color: var(--lime);
  background: var(--ink-2);
  transform: translateY(-2px);
}

.page-disclaimer .disc-toc-idx {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--lime);
}

@media (min-width: 640px) {
  .page-disclaimer .disc-toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .disc-toc-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 编号条款 ---------- */

.page-disclaimer .disc-clause {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--disc-line);
  scroll-margin-top: 8rem;
}

.page-disclaimer .disc-clause-head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: clamp(1rem, 3vw, 1.6rem);
}

.page-disclaimer .disc-clause-num {
  font-size: clamp(1.5rem, 6vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-disclaimer .disc-clause-title {
  margin: 0;
  font-size: clamp(1.35rem, 4.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
}

.page-disclaimer .disc-clause-intro {
  max-width: 68ch;
  margin: 0 0 clamp(1.2rem, 3vw, 1.7rem);
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .disc-rules {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disc-rule {
  display: grid;
  gap: 0.4rem;
  padding: 1.15rem 0;
  border-bottom: 1px dashed var(--disc-line-soft);
}

.page-disclaimer .disc-rule:first-child {
  border-top: 1px dashed var(--disc-line-soft);
}

.page-disclaimer .disc-rule-idx {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-disclaimer .disc-rule-title {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  transition: color 0.22s ease;
}

.page-disclaimer .disc-rule:hover .disc-rule-title {
  color: var(--lime-soft);
}

.page-disclaimer .disc-rule p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .disc-clause a,
.page-disclaimer .disc-section-lead a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.25em;
  transition: color 0.2s ease;
}

.page-disclaimer .disc-clause a:hover,
.page-disclaimer .disc-section-lead a:hover {
  color: var(--lime);
}

@media (min-width: 800px) {
  .page-disclaimer .disc-rule {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    gap: 1.75rem;
    padding: 1.5rem 0;
  }

  .page-disclaimer .disc-rule-idx {
    padding-top: 0.25rem;
  }
}

/* ---------- 提示条 ---------- */

.page-disclaimer .disc-callout {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: clamp(1.4rem, 4vw, 2rem);
  padding: 1rem 1.15rem;
  border: 1px solid rgba(255, 154, 61, 0.38);
  border-left: 3px solid var(--orange);
  border-radius: var(--r-md);
  background: var(--disc-orange-soft);
}

.page-disclaimer .disc-callout-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-disclaimer .disc-callout p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text);
}

@media (min-width: 640px) {
  .page-disclaimer .disc-callout {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
  }

  .page-disclaimer .disc-callout-tag {
    padding-top: 0.2rem;
    white-space: nowrap;
  }
}

/* ---------- 联系面板 ---------- */

.page-disclaimer .disc-contact {
  margin-top: clamp(1.6rem, 4.5vw, 2.4rem);
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 1px solid var(--disc-line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--ink-1) 0%, var(--ink-0) 78%);
}

.page-disclaimer .disc-section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.3rem, 3.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

.page-disclaimer .disc-section-lead {
  max-width: 62ch;
  margin: 0 0 1.5rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .disc-contact .disc-section-lead {
  margin-bottom: 0;
}

.page-disclaimer .disc-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.15rem;
  margin-top: 1.5rem;
  padding-top: 1.35rem;
  border-top: 1px dashed var(--disc-line-soft);
}

.page-disclaimer .disc-contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.page-disclaimer .disc-contact-k {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-disclaimer .disc-contact-v {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-disclaimer .disc-contact-v a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.page-disclaimer .disc-contact-v a:hover {
  color: var(--lime);
}

@media (min-width: 720px) {
  .page-disclaimer .disc-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .disc-contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 折叠问答 ---------- */

.page-disclaimer .disc-faq {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .disc-details {
  border: 1px solid var(--disc-line-soft);
  border-radius: var(--r-md);
  background: var(--ink-1);
  overflow: hidden;
}

.page-disclaimer .disc-details + .disc-details {
  margin-top: 0.6rem;
}

.page-disclaimer .disc-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease, color 0.2s ease;
}

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

.page-disclaimer .disc-details summary:hover {
  background: var(--ink-2);
}

.page-disclaimer .disc-details summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--lime);
  transition: transform 0.25s ease;
}

.page-disclaimer .disc-details[open] summary {
  color: var(--lime-soft);
}

.page-disclaimer .disc-details[open] summary::after {
  transform: rotate(45deg);
}

.page-disclaimer .disc-details-body {
  padding: 0 1.15rem 1.15rem;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .disc-details-body p {
  margin: 0;
  max-width: 68ch;
}

/* ---------- 回到顶部 ---------- */

.page-disclaimer .disc-top {
  display: flex;
  justify-content: center;
  margin-top: clamp(2.25rem, 6vw, 3.5rem);
}

.page-disclaimer .disc-top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border: 1px solid var(--disc-line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: border-color 0.22s ease, color 0.22s ease, background 0.22s ease;
}

.page-disclaimer .disc-top-link:hover,
.page-disclaimer .disc-top-link:focus-visible {
  border-color: var(--lime);
  background: rgba(61, 255, 136, 0.12);
  color: var(--lime);
}

@media (min-width: 1024px) {
  .page-disclaimer .disc-hero {
    padding-top: clamp(3.5rem, 5vw, 5rem);
  }

  .page-disclaimer .disc-lead {
    max-width: 58ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-toc-link,
  .page-disclaimer .disc-details summary::after,
  .page-disclaimer .disc-top-link,
  .page-disclaimer .disc-rule-title {
    transition: none;
  }

  .page-disclaimer .disc-toc-link:hover {
    transform: none;
  }
}