/* ===== 使用条款 · 公告牌清单 ===== */
.page-disclaimer {
  --notice-bg: #fbf6ea;
  --paper-deep: #ece3d2;
  --wall-line: #0c1e3c;
  background: var(--ink);
  color: var(--body-on-dark);
}

/* 顶部条款公告墙 */
.page-disclaimer .page-disclaimer__wall {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 8vw, 5.5rem) 0 clamp(2rem, 6vw, 4rem);
  background:
    radial-gradient(ellipse at 82% 12%, rgba(212, 175, 55, 0.14), transparent 42%),
    repeating-linear-gradient(45deg, #0c1e3c 0 14px, #0a1731 14px 24px);
  border-bottom: 4px solid var(--gold);
}

.page-disclaimer .page-disclaimer__wall::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0.06), transparent 70%);
  pointer-events: none;
}

.page-disclaimer .page-disclaimer__wall-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-disclaimer .page-disclaimer__wall-copy h1 {
  margin: 0.75rem 0 0.9rem;
  color: var(--paper);
  font-size: clamp(2rem, 6vw, 4.25rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-disclaimer .page-disclaimer__lead {
  max-width: 62ch;
  margin: 0 0 1.25rem;
  color: var(--body-on-dark);
  font-size: clamp(0.95rem, 1.4vw, 1.125rem);
}

.page-disclaimer .page-disclaimer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.75rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.page-disclaimer .page-disclaimer__meta a {
  color: var(--gold);
  text-underline-offset: 4px;
}

.page-disclaimer .page-disclaimer__wall-media {
  position: relative;
  z-index: 1;
  margin: 0;
}

.page-disclaimer .page-disclaimer__wall-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 2px solid var(--gold);
  box-shadow: 10px 10px 0 rgba(10, 25, 48, 0.55);
}

.page-disclaimer .page-disclaimer__wall-media figcaption {
  margin: 0.9rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-align: right;
}

/* 双层公告牌区域 */
.page-disclaimer .page-disclaimer__layout {
  padding: clamp(2.25rem, 6vw, 5rem) 0 clamp(3rem, 7vw, 5.5rem);
  background:
    radial-gradient(rgba(10, 25, 48, 0.035) 1px, transparent 1px),
    var(--paper-deep);
  background-size: 22px 22px, auto;
  color: var(--body-on-light);
  border-bottom: 14px solid var(--ink);
}

.page-disclaimer .page-disclaimer__layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.75rem);
}

.page-disclaimer .page-disclaimer__notices,
.page-disclaimer .page-disclaimer__sidebar {
  min-width: 0;
}

/* 侧边变更时间线 */
.page-disclaimer .page-disclaimer__sidebar-card {
  position: relative;
  padding: clamp(1.35rem, 3vw, 2rem);
  color: var(--body-on-dark);
  background:
    radial-gradient(circle at 86% 8%, rgba(212, 175, 55, 0.2), transparent 42%),
    repeating-linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0 10px, transparent 10px 20px),
    var(--ink);
  border: 1px solid var(--gold);
  box-shadow: 8px 8px 0 rgba(10, 25, 48, 0.25);
}

.page-disclaimer .page-disclaimer__sidebar-kicker {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-disclaimer .page-disclaimer__sidebar-card h2 {
  margin: 0 0 1.5rem;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-disclaimer .page-disclaimer__timeline {
  display: grid;
  gap: 1.25rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
  position: relative;
}

.page-disclaimer .page-disclaimer__timeline::before {
  content: "";
  position: absolute;
  top: 0.2rem;
  bottom: 0.2rem;
  left: 0.3rem;
  width: 1px;
  background: rgba(212, 175, 55, 0.4);
}

.page-disclaimer .page-disclaimer__timeline-item {
  position: relative;
  padding-left: 1.3rem;
}

.page-disclaimer .page-disclaimer__timeline-item::before {
  content: "";
  position: absolute;
  left: -0.3rem;
  top: 0.1rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
}

.page-disclaimer .page-disclaimer__timeline-period {
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gold);
}

.page-disclaimer .page-disclaimer__timeline-item p:last-child {
  margin: 0;
  font-size: 0.9rem;
  color: var(--body-on-dark);
}

.page-disclaimer .page-disclaimer__sidebar-link {
  display: block;
  width: 100%;
  text-align: center;
}

/* 公告牌目录提示 */
.page-disclaimer .page-disclaimer__toc {
  margin: 0 0 0.4rem;
  padding: 0.3rem 0 0.3rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--body-on-light);
  border-left: 4px solid var(--gold);
  background: rgba(244, 239, 230, 0.55);
}

/* 公告卡片集合 */
.page-disclaimer .page-disclaimer__notices {
  display: grid;
  gap: clamp(2rem, 4vw, 2.75rem);
}

.page-disclaimer .page-disclaimer__notice {
  position: relative;
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  background-color: var(--notice-bg);
  background-image: radial-gradient(rgba(10, 25, 48, 0.05) 1px, transparent 1.2px);
  background-size: 18px 18px, auto;
  border: 2px solid var(--ink);
  border-top: 14px solid var(--gold);
  box-shadow: 8px 8px 0 rgba(10, 25, 48, 0.4);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-disclaimer .page-disclaimer__notice:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(10, 25, 48, 0.48);
}

/* 胶带（左上）与金属铆钉（右上） */
.page-disclaimer .page-disclaimer__notice::before {
  content: "";
  position: absolute;
  top: -0.8rem;
  left: 1.1rem;
  z-index: 3;
  width: 4.2rem;
  height: 1.6rem;
  background: linear-gradient(100deg, rgba(242, 218, 126, 0.7), rgba(222, 193, 92, 0.6));
  border-left: 3px solid rgba(255, 255, 255, 0.5);
  border-right: 3px solid rgba(255, 255, 255, 0.5);
  transform: rotate(-4deg);
  box-shadow: 0 2px 8px rgba(10, 25, 48, 0.22);
}

.page-disclaimer .page-disclaimer__notice::after {
  content: "";
  position: absolute;
  top: -0.55rem;
  right: 1rem;
  z-index: 2;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #f5d882, #c39a2e 55%, #6b4a07);
  box-shadow: inset -2px -3px 6px rgba(20, 10, 0, 0.3), 0 0 0 3px rgba(10, 25, 48, 0.12);
}

/* 每条公告的标题与条目编号 */
.page-disclaimer .page-disclaimer__notice-title {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 0;
  padding-right: 2rem;
  color: var(--ink);
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-weight: 800;
  line-height: 1.3;
  font-family: var(--font-heading);
}

.page-disclaimer .page-disclaimer__notice-title:hover {
  color: #7a5f0c;
}

.page-disclaimer .page-disclaimer__notice-title::-webkit-details-marker,
.page-disclaimer .page-disclaimer__notice-title::marker {
  content: "";
  display: none;
}

.page-disclaimer .page-disclaimer__notice > summary {
  list-style: none;
  cursor: pointer;
}

.page-disclaimer .page-disclaimer__notice > summary:focus-visible,
.page-disclaimer .page-disclaimer__notice-title:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.page-disclaimer .page-disclaimer__notice-num {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  min-width: 2.6rem;
  height: 2.6rem;
  padding: 0 0.5rem;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  transform: rotate(-3deg);
  box-shadow: 2px 2px 0 var(--ink);
}

.page-disclaimer .page-disclaimer__chorus {
  margin-left: auto;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--gold);
  background: rgba(212, 175, 55, 0.22);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.page-disclaimer .page-disclaimer__notice:hover .page-disclaimer__chorus,
.page-disclaimer .page-disclaimer__notice:focus-within .page-disclaimer__chorus {
  opacity: 1;
  transform: translateX(0);
}

/* 条款正文 */
.page-disclaimer .page-disclaimer__notice-body {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.4rem;
  color: var(--body-on-light);
  line-height: 1.75;
}

.page-disclaimer .page-disclaimer__notice-body a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-disclaimer .page-disclaimer__notice-body a:hover {
  color: #7a5f0c;
}

/* 同意并继续区域 */
.page-disclaimer .page-disclaimer__accept {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-top: 3.25rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--paper);
  border: 2px dashed var(--ink);
  border-top: 6px solid var(--gold);
  box-shadow: 10px 10px 0 rgba(10, 25, 48, 0.35);
}

.page-disclaimer .page-disclaimer__accept-copy {
  max-width: 58ch;
}

.page-disclaimer .page-disclaimer__accept-heading {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-disclaimer .page-disclaimer__accept-copy p:last-child {
  margin: 0;
  color: var(--body-on-light);
}

.page-disclaimer .page-disclaimer__accept-btn {
  flex: 0 0 auto;
  margin-left: auto;
}

/* 窄屏额外防护 */
.page-disclaimer .page-disclaimer__wall-copy,
.page-disclaimer .page-disclaimer__wall-media {
  min-width: 0;
}

/* 平板：墙内双栏 */
@media (min-width: 640px) {
  .page-disclaimer .page-disclaimer__wall-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
  }
}

/* 桌面：侧栏 + 公告双栏 */
@media (min-width: 900px) {
  .page-disclaimer .page-disclaimer__layout-grid {
    grid-template-columns: 290px minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4rem);
  }

  .page-disclaimer .page-disclaimer__sidebar-card {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
  }

  .page-disclaimer .page-disclaimer__accept {
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .page-disclaimer__notice,
  .page-disclaimer .page-disclaimer__chorus {
    transition: none;
  }
}