.page-disclaimer {
  --disc-measure: 64ch;
  --disc-accent: var(--cyan);
  --disc-gap: clamp(30px, 5vw, 56px);
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  padding-block: clamp(22px, 4vw, 52px) clamp(56px, 9vw, 116px);
  overflow-x: hidden;
}

.page-disclaimer .crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(16px, 2.6vw, 28px);
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-disclaimer .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .crumbs a:hover,
.page-disclaimer .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-disclaimer .crumbs__sep {
  color: var(--line);
}

.page-disclaimer .crumbs [aria-current="page"] {
  color: var(--text);
}

/* ---------- 页首 ---------- */

.disc-mast {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, var(--panel) 0%, var(--panel-2) 46%, var(--void) 100%);
  padding: clamp(20px, 3.4vw, 44px) clamp(18px, 3vw, 50px) clamp(24px, 3.8vw, 48px);
  margin-bottom: clamp(20px, 3.4vw, 40px);
}

.disc-mast::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(28, 44, 70, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 44, 70, 0.55) 1px, transparent 1px);
  background-size: 96px 96px;
}

.disc-mast > * {
  position: relative;
  z-index: 1;
}

.disc-mast__ticks {
  height: 9px;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 14px);
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.disc-mast__kicker {
  margin: 0 0 clamp(10px, 1.8vw, 18px);
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.disc-mast h1 {
  max-width: 20ch;
  margin: 0 0 0.55em;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: 0.02em;
  color: #FFFFFF;
}

.disc-mast__lede {
  max-width: 54ch;
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--mist);
}

.disc-mast__keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.disc-mast__keys li {
  background: var(--panel-2);
  padding: 13px 15px;
}

.disc-mast__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
}

.disc-mast__keys li:nth-child(1) .disc-mast__key { color: var(--lime); }
.disc-mast__keys li:nth-child(2) .disc-mast__key { color: var(--amber); }
.disc-mast__keys li:nth-child(3) .disc-mast__key { color: var(--orange); }

.disc-mast__val {
  display: block;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 横向刻度目录 ---------- */

.disc-index {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(26px, 4.4vw, 54px);
}

.disc-index__item {
  flex: 1 1 100%;
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 13px 16px;
  background: var(--panel-2);
  color: var(--mist);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.disc-index__item:hover,
.disc-index__item:focus-visible {
  background: var(--panel);
  color: var(--text);
  outline: none;
  box-shadow: inset 0 -2px 0 0 var(--cyan);
}

.disc-index__num {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 条款主体 ---------- */

.disc-clause {
  position: relative;
  max-width: var(--disc-measure);
  margin: 0 auto;
  padding: var(--disc-gap) 0;
  border-top: 1px solid var(--line);
}

.disc-clause__head {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 1.6vw, 16px);
  margin-bottom: 1em;
}

.disc-clause__num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--disc-accent);
}

.disc-clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: 0.03em;
  color: var(--text);
}

.disc-clause p {
  margin: 0 0 1.1em;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text);
}

.disc-clause p:last-child {
  margin-bottom: 0;
}

.disc-clause strong {
  font-weight: 700;
  color: var(--disc-accent);
}

.disc-clause a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 243, 208, 0.4);
}

.disc-clause a:hover,
.disc-clause a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

.disc-clause[data-chapter="ch-01"] { --disc-accent: var(--cyan); }
.disc-clause[data-chapter="ch-02"] { --disc-accent: var(--violet); }
.disc-clause[data-chapter="ch-03"] { --disc-accent: var(--amber); }
.disc-clause[data-chapter="ch-04"] { --disc-accent: var(--orange); }
.disc-clause[data-chapter="ch-05"] { --disc-accent: var(--lime); }

/* 三档对照 */

.disc-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 1.5em 0;
}

.disc-tier {
  background: var(--panel-2);
  border-left: 3px solid var(--tier, var(--line));
  padding: 18px 20px;
}

.disc-tier--ok { --tier: var(--lime); }
.disc-tier--auth { --tier: var(--amber); }
.disc-tier--no { --tier: var(--orange); }

.disc-tier__badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 9px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--tier, var(--mist));
}

.disc-tier h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text);
}

.disc-tier p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 引用说明 */

.disc-cite {
  border: 1px solid var(--line);
  border-left: 2px solid var(--disc-accent);
  background: var(--panel-2);
  padding: 20px 22px;
  margin: 1.6em 0 0;
}

.disc-cite h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--disc-accent);
}

.disc-cite__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.disc-cite__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
}

.disc-cite__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--disc-accent);
}

.disc-cite__list strong {
  color: var(--disc-accent);
  font-weight: 700;
}

.disc-cite__sample {
  margin: 0;
  padding: 14px 16px;
  background: var(--void);
  border: 1px dashed var(--line);
  overflow-x: auto;
  font-family: var(--font-data);
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--cyan-deep);
  white-space: pre;
}

/* 图片 */

.disc-figure {
  margin: 1.8em 0 0;
  max-width: 340px;
}

.disc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.disc-figure__cap {
  margin: 10px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
}

/* 折叠条目 */

.page-disclaimer .disc-fold {
  border: 1px solid var(--line);
  border-left: 2px solid var(--disc-accent);
  background: var(--panel-2);
  margin: 1.5em 0;
}

.page-disclaimer .disc-fold .fold__sum {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text);
}

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

.page-disclaimer .disc-fold .fold__sum:focus-visible {
  outline: var(--ring);
  outline-offset: -2px;
}

.page-disclaimer .disc-fold .fold__mark {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border: 1px solid var(--disc-accent);
  position: relative;
}

.page-disclaimer .disc-fold .fold__mark::after {
  content: "";
  position: absolute;
  inset: 2px;
  background: var(--disc-accent);
  transition: opacity 0.2s var(--ease);
}

.page-disclaimer .disc-fold[open] .fold__mark::after {
  opacity: 0;
}

.page-disclaimer .disc-fold .fold__body {
  padding: 0 18px 16px 40px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-disclaimer .disc-fold .fold__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-fold .fold__body li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
}

.page-disclaimer .disc-fold .fold__body li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-fold .fold__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 印章收束 ---------- */

.disc-seal {
  max-width: var(--disc-measure);
  margin: clamp(40px, 6vw, 76px) auto 0;
  padding-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: clamp(18px, 3vw, 32px);
}

.disc-seal__mark {
  flex: 0 0 auto;
  width: clamp(84px, 12vw, 104px);
  height: clamp(84px, 12vw, 104px);
  border-radius: 50%;
  border: 2px solid var(--orange);
  display: grid;
  place-items: center;
  position: relative;
  transform: rotate(-9deg);
  background: radial-gradient(circle at 50% 50%, rgba(255, 92, 43, 0.12), transparent 68%);
}

.disc-seal__mark::before {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 92, 43, 0.55);
}

.disc-seal__mark-text {
  position: relative;
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.disc-seal__copy {
  flex: 1 1 220px;
  min-width: 0;
}

.disc-seal__copy p {
  margin: 0 0 10px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--mist);
}

.disc-seal__copy p:last-child {
  margin-bottom: 0;
}

.disc-seal__copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 243, 208, 0.42);
}

.disc-seal__copy a:hover,
.disc-seal__copy a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .disc-mast__keys {
    grid-template-columns: repeat(3, 1fr);
  }

  .disc-index__item {
    flex: 1 1 auto;
    min-width: 128px;
  }
}

@media (min-width: 900px) {
  .disc-seal {
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .disc-seal__mark {
    transform: none;
  }
}