.page-disclaimer {
  position: relative;
  background:
    linear-gradient(rgba(106, 13, 173, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 13, 173, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, #161616 0%, #1e1e1e 55%, #231337 100%);
  background-size: 36px 36px, 36px 36px, 100% 100%;
  color: var(--c-text, #e0e0e0);
  font-family: var(--font-body, Inter, "Noto Sans SC", sans-serif);
  overflow: hidden;
}

.page-disclaimer__wrap {
  max-width: var(--container-max, 1280px);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 2.5rem) clamp(4rem, 8vw, 7rem);
  position: relative;
}

/* 左侧装饰视图 */
.page-disclaimer__decor {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  max-height: 420px;
  z-index: 0;
  pointer-events: none;
}

.page-disclaimer__decor-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  opacity: 0.18;
  max-width: 100%;
}

.page-disclaimer__decor-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(22, 22, 22, 0.4) 0%, rgba(30, 30, 30, 0.1) 40%, rgba(22, 22, 22, 0.95) 100%);
}

/* 题头 */
.page-disclaimer__head {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  border-left: 3px solid var(--c-gold, #d4af37);
  padding-left: clamp(1rem, 3vw, 2rem);
}

.page-disclaimer__label {
  font-family: var(--font-body, Inter, "Noto Sans SC", sans-serif);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--c-gold, #d4af37);
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.page-disclaimer__title {
  font-family: var(--font-head, "Playfair Display", "Noto Serif SC", serif);
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 500;
  line-height: 1.05;
  color: #f5f5f5;
  margin: 0 0 1rem;
  letter-spacing: 0.02em;
}

.page-disclaimer__lead {
  max-width: 36em;
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(224, 224, 224, 0.82);
  margin: 0 0 1.5rem;
}

.breadcrumb {
  margin-top: 1.25rem;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
}

.breadcrumb li {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: rgba(224, 224, 224, 0.55);
}

.breadcrumb li + li::before {
  content: "·";
  margin-right: 0.5rem;
  color: var(--c-gold, #d4af37);
}

.breadcrumb a {
  color: var(--c-light-grape, #e1bee7);
  text-decoration: none;
  transition: color 0.22s ease;
}

.breadcrumb a:hover {
  color: var(--c-gold, #d4af37);
}

/* 主体网格 */
.page-disclaimer__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

/* 左侧坐标栏 — 移动端隐藏，桌面显示 */
.page-disclaimer__side {
  display: none;
}

.page-disclaimer__content {
  position: relative;
}

/* 章节区块 */
.page-disclaimer__section {
  position: relative;
  padding: 0 0 clamp(2.25rem, 4.5vw, 3.5rem);
  margin-bottom: clamp(2.25rem, 4.5vw, 3.5rem);
  scroll-margin-top: 3rem;
}

.page-disclaimer__section::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-gold, #d4af37) 0%, rgba(212, 175, 55, 0.15) 30%, rgba(212, 175, 55, 0.02) 100%);
}

.page-disclaimer__section-num {
  font-family: var(--font-head, "Playfair Display", "Noto Serif SC", serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.45);
  margin: 0 0 0.75rem;
  letter-spacing: 0.08em;
}

.page-disclaimer__section-title {
  font-family: var(--font-head, "Playfair Display", "Noto Serif SC", serif);
  font-size: clamp(1.5rem, 2.6vw, 2.125rem);
  font-weight: 600;
  color: #f5f5f5;
  margin: 0 0 0.75rem;
  letter-spacing: 0.04em;
}

.page-disclaimer__rule {
  width: 64px;
  height: 2px;
  background: var(--c-gold, #d4af37);
  margin-bottom: 1.5rem;
  border-radius: 0;
}

.page-disclaimer__details {
  border: 1px solid rgba(212, 175, 55, 0.16);
  background: rgba(30, 30, 30, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.24s ease, background 0.24s ease;
}

.page-disclaimer__details:hover {
  border-color: rgba(212, 175, 55, 0.42);
}

.page-disclaimer__details[open] {
  border-color: rgba(212, 175, 55, 0.48);
  background: rgba(38, 24, 55, 0.72);
}

.page-disclaimer__details summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  font-family: var(--font-head, "Playfair Display", "Noto Serif SC", serif);
  font-size: clamp(1.0625rem, 1.6vw, 1.3125rem);
  font-weight: 500;
  color: var(--c-light-grape, #e1bee7);
  letter-spacing: 0.02em;
  user-select: none;
  transition: color 0.22s ease;
}

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

.page-disclaimer__details summary::after {
  content: "＋";
  font-size: 1.25rem;
  font-family: var(--font-body, Inter, sans-serif);
  color: var(--c-gold, #d4af37);
  transition: transform 0.28s ease;
  flex-shrink: 0;
}

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

.page-disclaimer__details summary:hover {
  color: var(--c-gold, #d4af37);
}

.page-disclaimer__details-content {
  padding: 0 clamp(1.25rem, 2.5vw, 1.75rem) clamp(1.5rem, 2.5vw, 1.75rem);
  border-top: 1px solid rgba(212, 175, 55, 0.12);
}

.page-disclaimer__details-content p {
  margin: 1.25rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: rgba(224, 224, 224, 0.86);
}

.page-disclaimer__details-content p:first-child {
  margin-top: 1.25rem;
}

.page-disclaimer__details-content a {
  color: var(--c-gold, #d4af37);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, 0.35);
  transition: border-color 0.22s ease, color 0.22s ease;
}

.page-disclaimer__details-content a:hover {
  border-color: var(--c-gold, #d4af37);
  color: #f0d48a;
}

/* 底部提示与返回顶部 */
.page-disclaimer__notice {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background:
    linear-gradient(135deg, rgba(74, 14, 78, 0.72) 0%, rgba(123, 31, 162, 0.55) 55%, rgba(74, 14, 78, 0.68) 100%),
    repeating-linear-gradient(45deg, transparent 0 10px, rgba(212, 175, 55, 0.03) 10px 12px);
  border: 1px solid var(--c-gold, #d4af37);
  border-left-width: 5px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem;
}

.page-disclaimer__notice-icon {
  font-size: 1.5rem;
  color: var(--c-gold, #d4af37);
  margin: 0;
  line-height: 1.4;
}

.page-disclaimer__notice-text {
  flex: 1 1 320px;
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(245, 245, 245, 0.9);
}

.page-disclaimer__back-top {
  flex-shrink: 0;
  align-self: center;
}

.btn--ghost {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body, Inter, "Noto Sans SC", sans-serif);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold, #d4af37);
  background: transparent;
  border: 1px solid var(--c-gold, #d4af37);
  text-decoration: none;
  transition: background 0.24s ease, color 0.24s ease, box-shadow 0.24s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn--ghost:hover {
  background: var(--c-gold, #d4af37);
  color: #1e1e1e;
  box-shadow: 0 0 24px rgba(212, 175, 55, 0.28);
}

/* 滚动显现初始态 — 仅当脚本执行时才会触发过渡 */
.page-disclaimer [data-reveal] {
  opacity: 1;
  transform: none;
}

/* 桌面端布局 */
@media (min-width: 900px) {
  .page-disclaimer__decor {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: clamp(180px, 21vw, 300px);
    max-height: none;
    height: 100%;
  }

  .page-disclaimer__decor-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    opacity: 0.22;
  }

  .page-disclaimer__decor-overlay {
    background: linear-gradient(90deg, rgba(22, 22, 22, 0.35) 0%, rgba(30, 30, 30, 0.05) 55%, rgba(30, 30, 30, 0.95) 100%);
  }

  .page-disclaimer__grid {
    grid-template-columns: minmax(120px, 160px) 1fr;
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-disclaimer__side {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 1rem;
    border-right: 1px solid rgba(212, 175, 55, 0.2);
    margin-right: 1px;
  }

  .page-disclaimer__side-num {
    font-family: var(--font-head, "Playfair Display", "Noto Serif SC", serif);
    font-size: clamp(1rem, 1.4vw, 1.375rem);
    line-height: 1.5;
    color: var(--c-gold, #d4af37);
    letter-spacing: 0.2em;
    writing-mode: vertical-rl;
    text-orientation: upright;
    text-align: center;
    align-self: center;
    margin-top: 0.75rem;
  }

  .page-disclaimer__side-line {
    flex: 1;
    width: 1px;
    min-height: 80px;
    margin: 1.5rem 0;
    background: linear-gradient(180deg, rgba(212, 175, 55, 0.6), rgba(212, 175, 55, 0.08));
  }

  .page-disclaimer__side-coords {
    font-size: 0.625rem;
    letter-spacing: 0.22em;
    color: rgba(224, 224, 224, 0.4);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    white-space: nowrap;
  }

  .page-disclaimer__content {
    min-width: 0;
  }

  .page-disclaimer__head {
    margin-bottom: clamp(3rem, 6vw, 5rem);
  }

  .page-disclaimer__section-title {
    margin-bottom: 0.75rem;
  }

  .page-disclaimer__details summary {
    padding: clamp(1.375rem, 2.2vw, 1.75rem);
  }

  .page-disclaimer__details-content {
    padding: 0 clamp(1.5rem, 3vw, 2.5rem) clamp(1.75rem, 2.5vw, 2rem);
  }

  .page-disclaimer__details-content p {
    font-size: 0.96875rem;
  }

  .page-disclaimer__notice {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer__decor {
    width: clamp(240px, 24vw, 300px);
  }

  .page-disclaimer__details-content {
    column-count: 1;
    column-gap: 2.5rem;
  }

  .page-disclaimer__details-content p {
    margin-top: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .page-disclaimer__details summary::after,
  .page-disclaimer__details[open] summary::after {
    transition: none;
  }
}