/* ============ 使用说明页 · page-disclaimer ============ */

.page-disclaimer {
  --dsc-max: 46rem;
  background: var(--glacier);
}

/* ---------- 页头 ---------- */
.page-disclaimer .dsc-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 52px;
  background:
    radial-gradient(120% 140% at 88% -10%, rgba(30, 92, 150, 0.55) 0%, rgba(11, 31, 58, 0) 58%),
    var(--abyss);
  color: var(--glacier);
}

.page-disclaimer .dsc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(56, 242, 122, 0.06) 0 1px, transparent 1px 128px),
    repeating-linear-gradient(0deg, rgba(56, 242, 122, 0.045) 0 1px, transparent 1px 128px);
  pointer-events: none;
}

.page-disclaimer .dsc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dsc-hero__eyebrow {
  margin: 26px 0 10px;
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--signal);
}

.page-disclaimer .dsc-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 8vw, 70px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-disclaimer .dsc-hero__lede {
  max-width: 38em;
  margin: 0;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(244, 248, 251, 0.84);
}

.page-disclaimer .dsc-hero__stamp {
  max-width: 38em;
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(56, 242, 122, 0.24);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: rgba(244, 248, 251, 0.6);
}

/* ---------- 速览带 ---------- */
.page-disclaimer .dsc-brief {
  position: relative;
  overflow: hidden;
  padding: 44px 0 48px;
  background: var(--deep);
  color: var(--glacier);
}

.page-disclaimer .dsc-brief__art {
  position: absolute;
  right: -90px;
  top: 50%;
  z-index: 0;
  width: min(420px, 48vw);
  height: auto;
  max-width: none;
  opacity: 0.16;
  transform: translateY(-50%);
  pointer-events: none;
}

.page-disclaimer .dsc-brief__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dsc-brief__heading {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 26px);
  letter-spacing: -0.01em;
  color: #fff;
}

.page-disclaimer .dsc-brief__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dsc-brief__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 20px 18px;
  border: 1px solid rgba(56, 242, 122, 0.32);
  border-radius: var(--r-md);
  background: rgba(11, 31, 58, 0.62);
}

.page-disclaimer .dsc-brief__idx {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--signal);
}

.page-disclaimer .dsc-brief__text {
  flex: 1;
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(244, 248, 251, 0.9);
}

.page-disclaimer .dsc-brief__jump {
  align-self: flex-start;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(56, 242, 122, 0.42);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--signal);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .dsc-brief__jump:hover,
.page-disclaimer .dsc-brief__jump:focus-visible {
  color: #fff;
  border-color: #fff;
}

/* ---------- 章节导航条 ---------- */
.page-disclaimer .dsc-rail {
  background: var(--glacier);
  border-top: 1px solid var(--mist);
  border-bottom: 1px solid var(--mist);
}

.page-disclaimer .dsc-rail__scroll {
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

.page-disclaimer .dsc-rail__list {
  display: flex;
  gap: 6px;
  width: max-content;
  min-width: 100%;
  margin: 0;
  padding: 13px 4px 13px 0;
  list-style: none;
}

.page-disclaimer .dsc-rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--race);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .dsc-rail__list a:hover,
.page-disclaimer .dsc-rail__list a:focus-visible {
  background: rgba(30, 92, 150, 0.09);
  border-color: var(--race);
}

.page-disclaimer .dsc-rail__list .mono {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--lime);
}

/* ---------- 正文 ---------- */
.page-disclaimer .dsc-doc {
  padding: 50px 0 70px;
  background: var(--glacier);
}

.page-disclaimer .dsc-doc__sections {
  max-width: var(--dsc-max);
  margin: 0 auto;
}

.page-disclaimer .dsc-section {
  position: relative;
  padding-left: 36px;
  scroll-margin-top: 96px;
}

.page-disclaimer .dsc-section + .dsc-section {
  margin-top: 44px;
  padding-top: 44px;
  border-top: 1px solid var(--mist);
}

.page-disclaimer .dsc-section__num {
  position: absolute;
  left: 0;
  top: 4px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--lime);
}

.page-disclaimer .dsc-section__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .dsc-section__body > p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--ink);
}

.page-disclaimer .dsc-section__body > p:last-child {
  margin-bottom: 0;
}

/* 编号条目 */
.page-disclaimer .dsc-ruleList {
  margin: 4px 0 18px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dsc-ruleList li {
  position: relative;
  margin-bottom: 11px;
  padding-left: 20px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
}

.page-disclaimer .dsc-ruleList li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dsc-ruleList li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
}

/* 引用格式块 */
.page-disclaimer .dsc-cite {
  margin: 20px 0 22px;
  padding: 18px 20px 16px;
  border-left: 3px solid var(--signal);
  border-radius: var(--r-md);
  background: var(--abyss);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--signal);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

/* 章节尾相关链接 */
.page-disclaimer .dsc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-disclaimer .dsc-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--mist);
  border-radius: var(--pill);
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  color: var(--race);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-disclaimer .dsc-link:hover,
.page-disclaimer .dsc-link:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(15, 168, 78, 0.07);
}

.page-disclaimer .dsc-link::after {
  content: attr(data-note);
  position: absolute;
  left: 0;
  bottom: calc(100% + 9px);
  z-index: 6;
  max-width: 250px;
  padding: 7px 11px;
  border-radius: var(--r-sm);
  background: var(--abyss);
  color: var(--glacier);
  font-size: 12.5px;
  line-height: 1.5;
  white-space: normal;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.page-disclaimer .dsc-link:hover::after,
.page-disclaimer .dsc-link:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 页尾提示区 ---------- */
.page-disclaimer .dsc-end {
  padding: 44px 0;
  background: var(--mist);
  border-top: 1px solid rgba(11, 31, 58, 0.08);
}

.page-disclaimer .dsc-end__inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-disclaimer .dsc-end__heading {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.2vw, 26px);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .dsc-end__lede {
  max-width: 44em;
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--deep);
}

.page-disclaimer .dsc-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-disclaimer .dsc-brief__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-disclaimer .dsc-brief__inner {
    padding-right: 180px;
  }
}

@media (min-width: 860px) {
  .page-disclaimer .dsc-end__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }
}

@media (max-width: 767px) {
  .page-disclaimer .dsc-link::after {
    display: none;
  }

  .page-disclaimer .dsc-brief__inner {
    padding-right: 0;
  }

  .page-disclaimer .dsc-brief__art {
    right: -120px;
    width: min(300px, 62vw);
    opacity: 0.11;
  }
}

@media (max-width: 480px) {
  .page-disclaimer .dsc-hero {
    padding: 20px 0 44px;
  }

  .page-disclaimer .dsc-section {
    padding-left: 28px;
  }

  .page-disclaimer .dsc-section__num {
    font-size: 11px;
    letter-spacing: 0.22em;
  }

  .page-disclaimer .dsc-cite {
    padding: 15px 16px 14px;
    font-size: 12.5px;
  }

  .page-disclaimer .dsc-end__actions {
    flex-direction: column;
  }

  .page-disclaimer .dsc-end__actions .btn {
    width: 100%;
    justify-content: center;
  }
}