/* ===== 使用说明页 · page-disclaimer ===== */
.page-disclaimer {
  --dsc-row-line: rgba(22, 23, 26, 0.22);
  --dsc-row-line-dark: rgba(244, 241, 234, 0.24);
  --dsc-soft: rgba(31, 138, 91, 0.09);
  --dsc-soft-dark: rgba(43, 217, 192, 0.14);
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-sans);
}

/* 面包屑 */
.page-disclaimer .dsc-crumb {
  padding-top: 18px;
  padding-bottom: 4px;
}

.page-disclaimer .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.page-disclaimer .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-disclaimer .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--grey);
}

.page-disclaimer .breadcrumbs__item a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--clay);
  padding-bottom: 1px;
}

/* 首屏 */
.page-disclaimer .dsc-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 46px;
  isolation: isolate;
}

.page-disclaimer .dsc-hero__slice {
  position: absolute;
  top: -18%;
  right: -6%;
  width: 52%;
  height: 150%;
  background: var(--clay);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  z-index: -1;
}

.page-disclaimer .dsc-hero__grid {
  display: grid;
  gap: 26px;
  position: relative;
}

.page-disclaimer .dsc-hero__kicker {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 12px;
  background: var(--ink);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-disclaimer .dsc-hero h1 {
  margin: 0 0 16px;
  max-width: 20ch;
  font-size: clamp(30px, 5.6vw, 54px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-disclaimer .dsc-hero__lede {
  max-width: 54ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.75;
  color: #2a2c31;
}

.page-disclaimer .dsc-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.5;
  color: var(--grey);
}

.page-disclaimer .dsc-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-disclaimer .dsc-hero__factnum {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--clay);
  border-bottom: 3px solid var(--whistle);
  white-space: nowrap;
}

.page-disclaimer .dsc-hero__media {
  margin: 0;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--ink);
}

.page-disclaimer .dsc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

/* 条目索引带 */
.page-disclaimer .dsc-index {
  background: var(--ink);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-disclaimer .dsc-index__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-disclaimer .dsc-index__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .dsc-index__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-disclaimer .dsc-index__list a {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 52px;
  padding: 0 20px;
  color: var(--lime);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  border-right: 2px solid rgba(244, 241, 234, 0.18);
  transition: background-color 0.18s ease;
}

.page-disclaimer .dsc-index__n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-disclaimer .dsc-index__list a:hover,
.page-disclaimer .dsc-index__list a:focus-visible {
  background: var(--clay);
  outline: none;
}

.page-disclaimer .dsc-index__list a:hover .dsc-index__n,
.page-disclaimer .dsc-index__list a:focus-visible .dsc-index__n {
  color: var(--whistle);
}

/* 条目区块 */
.page-disclaimer .dsc-block {
  padding: 34px 0;
  border-bottom: var(--line);
}

.page-disclaimer .dsc-block--tint {
  background: #ffffff;
}

.page-disclaimer .dsc-block--dark {
  background: var(--ink);
  color: var(--lime);
}

.page-disclaimer .dsc-block__grid {
  display: grid;
  gap: 18px;
}

.page-disclaimer .dsc-block__lead {
  min-width: 0;
}

.page-disclaimer .dsc-block__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--clay);
  margin-bottom: 12px;
}

.page-disclaimer .dsc-block__num::after {
  content: "";
  display: block;
  width: 36px;
  height: 5px;
  margin-top: 12px;
  background: var(--green);
}

.page-disclaimer .dsc-block__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-disclaimer .dsc-block--dark .dsc-block__num {
  color: var(--orange);
}

.page-disclaimer .dsc-block--dark .dsc-block__num::after {
  background: var(--cyan);
}

/* 短条目清单 */
.page-disclaimer .dsc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-disclaimer .dsc-block--dark .dsc-list {
  border-top-color: var(--lime);
}

.page-disclaimer .dsc-list > li {
  position: relative;
  padding: 13px 14px 13px 30px;
  margin-inline: -14px;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.72;
  border-bottom: 1px dashed var(--dsc-row-line);
  transition: background-color 0.16s ease;
}

.page-disclaimer .dsc-list > li:last-child {
  border-bottom: none;
}

.page-disclaimer .dsc-list > li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-disclaimer .dsc-block--dark .dsc-list > li {
  border-bottom-color: var(--dsc-row-line-dark);
}

.page-disclaimer .dsc-block--dark .dsc-list > li::before {
  background: var(--cyan);
}

@media (hover: hover) {
  .page-disclaimer .dsc-list > li:hover {
    background: var(--dsc-soft);
  }

  .page-disclaimer .dsc-block--dark .dsc-list > li:hover {
    background: var(--dsc-soft-dark);
  }
}

/* 尾段快捷跳转 */
.page-disclaimer .dsc-tail {
  padding: 38px 0 54px;
  background: var(--lime);
}

.page-disclaimer .dsc-tail__title {
  margin: 0 0 22px;
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-disclaimer .dsc-tail__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dsc-tail__list li {
  border: var(--line);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

@media (hover: hover) {
  .page-disclaimer .dsc-tail__list li:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hard);
  }
}

.page-disclaimer .dsc-tail__list a {
  display: block;
  min-height: 44px;
  padding: 16px 18px;
  color: var(--ink);
  text-decoration: none;
}

.page-disclaimer .dsc-tail__list strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 6px;
}

.page-disclaimer .dsc-tail__list span {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

.page-disclaimer .dsc-tail__list a:hover strong,
.page-disclaimer .dsc-tail__list a:focus-visible strong {
  color: var(--clay);
}

.page-disclaimer .dsc-tail__back {
  margin: 28px 0 0;
}

.page-disclaimer .dsc-tail__back a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  background: var(--ink);
  color: var(--lime);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  border: var(--line);
}

.page-disclaimer .dsc-tail__back a:hover,
.page-disclaimer .dsc-tail__back a:focus-visible {
  background: var(--green);
  outline: none;
}

/* 平板及以上：编号左栏固定 */
@media (min-width: 760px) {
  .page-disclaimer .dsc-block {
    padding: 42px 0;
  }

  .page-disclaimer .dsc-block__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-disclaimer .dsc-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 42px;
    align-items: center;
  }

  .page-disclaimer .dsc-tail__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

/* 宽屏：首屏主图压住红土色块 */
@media (min-width: 1100px) {
  .page-disclaimer .dsc-hero {
    padding: 40px 0 58px;
  }

  .page-disclaimer .dsc-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }
}

/* 窄屏：收掉斜切块，避免色块压住正文 */
@media (max-width: 759px) {
  .page-disclaimer .dsc-hero__slice {
    display: none;
  }

  .page-disclaimer .dsc-hero__media {
    box-shadow: var(--shadow-soft);
  }
}