/* ===== 使用说明页 · 作用域 .page-disclaimer ===== */
.page-disclaimer {
  --disc-col: 44rem;
  --disc-toc-w: 15rem;
  --disc-body: rgba(244, 251, 247, 0.8);
  --disc-body-soft: rgba(244, 251, 247, 0.68);
}

/* 面包屑 */
.page-disclaimer .breadcrumbs {
  padding: clamp(0.9rem, 3vw, 1.4rem) 0 0;
  font-size: 0.8rem;
}
.page-disclaimer .breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  color: var(--sage-mist);
}
.page-disclaimer .breadcrumbs a {
  color: var(--sage-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.page-disclaimer .breadcrumbs a:hover,
.page-disclaimer .breadcrumbs a:focus-visible {
  color: var(--cool-white);
  border-bottom-color: var(--border-glow);
}
.page-disclaimer .breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: rgba(157, 184, 168, 0.5);
}
.page-disclaimer .breadcrumbs [aria-current="page"] {
  color: var(--cool-white);
}

/* 首屏 */
.page-disclaimer .disc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.5rem, 4.5vw, 2.75rem) 0 clamp(1.75rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 88% -20%, rgba(255, 107, 53, 0.16), transparent 62%),
    radial-gradient(90% 80% at 4% 0%, rgba(20, 90, 58, 0.6), transparent 60%);
}
.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0 82px,
    rgba(183, 247, 208, 0.075) 82px 83px
  );
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
  pointer-events: none;
}
.page-disclaimer .disc-hero__eyebrow {
  margin: 0 0 0.7rem;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--highland-orange);
}
.page-disclaimer .disc-hero__title {
  margin: 0 0 0.9rem;
  font-size: var(--fs-h1);
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.08;
  color: var(--cool-white);
}
.page-disclaimer .disc-hero__lead {
  max-width: 40rem;
  margin: 0 0 1.35rem;
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--disc-body);
}
.page-disclaimer .disc-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: clamp(1.25rem, 3.5vw, 1.9rem);
}
.page-disclaimer .disc-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--deep-green);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.36);
}
.page-disclaimer .disc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.7;
}

/* 主体栅格 */
.page-disclaimer .disc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 clamp(3rem, 8vw, 4.5rem);
}

/* 目录 */
.page-disclaimer .disc-toc {
  align-self: start;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(20, 90, 58, 0.34), rgba(11, 44, 30, 0.6));
  padding: 1rem 1.05rem 1.15rem;
}
.page-disclaimer .disc-toc__title {
  margin: 0 0 0.8rem;
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sage-mist);
}
.page-disclaimer .disc-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}
.page-disclaimer .disc-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.42rem 0.55rem;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--sage-mist);
  text-decoration: none;
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}
.page-disclaimer .disc-toc a:hover,
.page-disclaimer .disc-toc a:focus-visible {
  color: var(--cool-white);
  background: rgba(244, 255, 74, 0.08);
  border-left-color: var(--score-yellow);
}
.page-disclaimer .disc-toc__no {
  flex: none;
  font-family: var(--font-num);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--highland-orange);
}
.page-disclaimer .disc-toc__foot {
  margin-top: 0.95rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--sage-mist);
}
.page-disclaimer .disc-toc__foot p {
  margin: 0;
}
.page-disclaimer .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.6rem;
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--cool-white);
  font-family: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color 0.16s ease, color 0.16s ease, background-color 0.16s ease;
}
.page-disclaimer .copy-btn:hover,
.page-disclaimer .copy-btn:focus-visible {
  border-color: var(--border-glow);
  color: var(--score-yellow);
  background: rgba(244, 255, 74, 0.07);
}

/* 条款栏 */
.page-disclaimer .disc-clauses {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  max-width: var(--disc-col);
}
.page-disclaimer .disc-clause {
  border-top: 1px solid var(--line);
  padding-top: clamp(1.3rem, 3vw, 1.9rem);
  scroll-margin-top: 6rem;
}
.page-disclaimer .disc-clause__head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 0.85rem;
}
.page-disclaimer .disc-clause__no {
  flex: none;
  font-family: var(--font-num);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--highland-orange);
}
.page-disclaimer .disc-clause h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.3;
  color: var(--cool-white);
}
.page-disclaimer .disc-clause p {
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--disc-body);
}

/* 要点列表 */
.page-disclaimer .disc-list {
  list-style: none;
  margin: 0.2rem 0 0.6rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}
.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--disc-body);
}
.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78rem;
  width: 0.55rem;
  height: 2px;
  background: var(--score-yellow);
}

/* 折叠条款 */
.page-disclaimer .disc-fold {
  margin: 1.1rem 0 0.3rem;
  padding: 0 0.95rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(20, 90, 58, 0.16);
}
.page-disclaimer .disc-fold > summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cool-white);
  cursor: pointer;
}
.page-disclaimer .disc-fold > summary::-webkit-details-marker {
  display: none;
}
.page-disclaimer .disc-fold > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-num);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--score-yellow);
}
.page-disclaimer .disc-fold[open] > summary::after {
  content: "–";
}
.page-disclaimer .disc-fold > p {
  margin: 0 0 0.95rem;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--disc-body-soft);
}

/* 结尾相关页面 */
.page-disclaimer .disc-links {
  margin-top: 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line);
}
.page-disclaimer .disc-links__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sage-mist);
}
.page-disclaimer .disc-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-disclaimer .disc-links__list a.tag {
  text-decoration: none;
  transition: transform 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.page-disclaimer .disc-links__list a.tag:hover,
.page-disclaimer .disc-links__list a.tag:focus-visible {
  transform: translateY(-2px);
  color: var(--score-yellow);
}

/* 邮箱等宽处理 */
.page-disclaimer .disc-mail {
  font-family: var(--font-num);
  color: var(--score-yellow);
  overflow-wrap: anywhere;
}

/* ===== 平板及以上 ===== */
@media (min-width: 60rem) {
  .page-disclaimer .disc-grid {
    grid-template-columns: var(--disc-toc-w) minmax(0, 1fr);
    gap: 3.25rem;
    padding-top: 3rem;
  }
  .page-disclaimer .disc-toc {
    position: sticky;
    top: 6.25rem;
  }
  .page-disclaimer .disc-clauses {
    gap: 2.8rem;
  }
  .page-disclaimer .disc-hero__lead {
    font-size: 1.0625rem;
  }
}

/* ===== 窄屏细调 ===== */
@media (max-width: 30rem) {
  .page-disclaimer .disc-clause__head {
    gap: 0.6rem;
  }
  .page-disclaimer .disc-clause__no {
    font-size: 1rem;
  }
  .page-disclaimer .disc-hero__figure img {
    aspect-ratio: 16 / 10;
  }
  .page-disclaimer .disc-list li,
  .page-disclaimer .disc-clause p {
    font-size: 0.9rem;
  }
}