.page-disclaimer {
  --disc-shadow: 0 22px 60px -34px rgba(0, 0, 0, 0.95);
  display: block;
  overflow-x: clip;
}

.page-disclaimer [id] {
  scroll-margin-top: 120px;
}

/* ---------- 页面上下文 ---------- */
.page-disclaimer .breadcrumb {
  margin: 0 0 36px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero__grid {
  display: grid;
  gap: 34px;
  align-items: center;
}

.page-disclaimer .disc-hero__text > .eyebrow {
  margin: 0 0 14px;
}

.page-disclaimer .disc-hero__text h1 {
  margin: 0 0 20px;
}

.page-disclaimer .disc-hero__text .lede {
  margin: 0;
  color: var(--muted);
}

.page-disclaimer .disc-hero__tags {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .disc-hero__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .disc-hero__media {
  margin: 0;
  border-radius: var(--radius-panel);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, var(--panel) 0%, var(--teal) 100%);
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .disc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 60px;
  }
}

/* ---------- 区块标题 ---------- */
.page-disclaimer .disc-head {
  max-width: 46rem;
  margin-bottom: 38px;
}

.page-disclaimer .disc-head h2 {
  margin: 12px 0 14px;
}

.page-disclaimer .disc-head p {
  margin: 0;
  color: var(--muted);
}

/* ---------- 内容范围卡片 ---------- */
.page-disclaimer .disc-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 620px) {
  .page-disclaimer .disc-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

.page-disclaimer .disc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 28px 22px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-disclaimer .disc-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(63, 240, 228, 0) 78%);
  opacity: 0.8;
}

.page-disclaimer .disc-card:hover {
  transform: translateY(-4px);
  border-color: rgba(63, 240, 228, 0.45);
}

.page-disclaimer .disc-card__title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-disclaimer .disc-card__text {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.74;
}

.page-disclaimer .disc-card__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 240, 228, 0.35);
}

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

/* ---------- 纵向约定流程 ---------- */
.page-disclaimer .disc-flow {
  position: relative;
  display: grid;
  gap: 20px;
  padding-left: 24px;
}

.page-disclaimer .disc-flow::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 22px;
  bottom: 22px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(63, 240, 228, 0.35) 62%, rgba(255, 138, 60, 0.6) 100%);
  opacity: 0.75;
}

@media (min-width: 900px) {
  .page-disclaimer .disc-flow {
    padding-left: 34px;
    gap: 26px;
  }

  .page-disclaimer .disc-flow::before {
    left: 13px;
  }
}

.page-disclaimer .disc-node {
  position: relative;
  min-width: 0;
  padding: 26px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  box-shadow: var(--disc-shadow);
}

.page-disclaimer .disc-node::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 32px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: var(--radius-pill);
  background: var(--night);
  border: 2px solid var(--cyan);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-node {
    padding: 38px 42px;
  }

  .page-disclaimer .disc-node::before {
    left: -27px;
    top: 44px;
  }
}

.page-disclaimer .disc-node--limit {
  border-color: rgba(255, 138, 60, 0.55);
  background: linear-gradient(150deg, rgba(255, 138, 60, 0.1), rgba(255, 138, 60, 0) 58%), var(--panel);
}

.page-disclaimer .disc-node--limit::before {
  border-color: var(--orange);
}

.page-disclaimer .disc-node--limit .disc-node__num {
  color: var(--orange);
}

.page-disclaimer .disc-node__inner {
  display: grid;
  gap: 14px;
  min-width: 0;
}

@media (min-width: 900px) {
  .page-disclaimer .disc-node__inner {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 36px;
  }
}

.page-disclaimer .disc-node__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-node__num {
    font-size: 2.5rem;
  }
}

.page-disclaimer .disc-node__body {
  min-width: 0;
}

.page-disclaimer .disc-node__body h3 {
  margin: 0 0 16px;
}

.page-disclaimer .disc-node__body p {
  margin: 0 0 14px;
  color: var(--muted);
}

.page-disclaimer .disc-node__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-node__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 240, 228, 0.35);
}

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

/* ---------- 引用格式样本 ---------- */
.page-disclaimer .disc-code {
  margin: 0 0 18px;
  padding: 20px 22px;
  background: var(--teal);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.95;
  color: var(--cyan-mist);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-disclaimer .disc-code code {
  font-family: inherit;
}

/* ---------- 版本切换 ---------- */
.page-disclaimer .disc-switch {
  position: relative;
  margin: 24px 0;
}

.page-disclaimer .disc-switch__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-disclaimer .disc-switch__tabs {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  margin-bottom: 18px;
  background: var(--panel-lift);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
}

.page-disclaimer .disc-switch__tab {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition: background 0.28s var(--ease), color 0.28s var(--ease);
}

.page-disclaimer #disc-ver-2019:checked ~ .disc-switch__tabs .disc-switch__tab[for="disc-ver-2019"],
.page-disclaimer #disc-ver-2025:checked ~ .disc-switch__tabs .disc-switch__tab[for="disc-ver-2025"] {
  background: var(--cyan);
  color: var(--on-cyan);
}

.page-disclaimer .disc-switch__panel {
  display: none;
}

.page-disclaimer #disc-ver-2019:checked ~ .disc-switch__panel--2019,
.page-disclaimer #disc-ver-2025:checked ~ .disc-switch__panel--2025 {
  display: block;
  animation: discPanelIn 0.4s var(--ease) both;
}

@keyframes discPanelIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-disclaimer .disc-switch__panel .table-scroll {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}

.page-disclaimer .disc-switch__panel .data-table {
  width: 100%;
}

/* ---------- 使用限制列表 ---------- */
.page-disclaimer .disc-limit-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-disclaimer .disc-limit-list li {
  position: relative;
  padding-left: 26px;
  color: var(--text);
  line-height: 1.72;
}

.page-disclaimer .disc-limit-list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.62em;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--orange);
  transform: rotate(45deg);
}

/* ---------- 反馈清单与邮箱 ---------- */
.page-disclaimer .disc-checklist {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .disc-checklist li {
  position: relative;
  padding-left: 30px;
  color: var(--muted);
  line-height: 1.72;
}

.page-disclaimer .disc-checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: var(--radius-pill);
  border: 2px solid var(--cyan);
}

.page-disclaimer .disc-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 18px;
  padding: 18px 20px;
  background: var(--teal);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  font-size: 0.95rem;
  color: var(--text);
}

.page-disclaimer .disc-mail__value {
  font-family: var(--font-mono);
  color: var(--cyan);
  word-break: break-all;
}

.page-disclaimer .disc-hours {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-card {
    transition: none;
  }

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

  .page-disclaimer #disc-ver-2019:checked ~ .disc-switch__panel--2019,
  .page-disclaimer #disc-ver-2025:checked ~ .disc-switch__panel--2025 {
    animation: none;
  }
}