/* ===== 使用规范 · 页面专属样式（作用域：.page-disclaimer） ===== */

.page-disclaimer {
  --dis-num: rgba(53, 230, 255, .30);
  --dis-rule: rgba(42, 58, 94, .30);
  --dis-rule-out: rgba(42, 58, 94, 0);
}

/* ---------- 标题区 ---------- */

.page-disclaimer .dis-hero {
  position: relative;
  padding-top: calc(var(--topbar-h) + clamp(26px, 5vw, 58px));
  overflow: hidden;
}

.page-disclaimer .dis-hero::before {
  content: "";
  position: absolute;
  inset: -14% -8% 0;
  background-image:
    linear-gradient(to right, rgba(42, 58, 94, .58) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 58, 94, .58) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(118% 96% at 10% 0%, #000 0%, rgba(0, 0, 0, .34) 48%, transparent 78%);
  mask-image: radial-gradient(118% 96% at 10% 0%, #000 0%, rgba(0, 0, 0, .34) 48%, transparent 78%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .dis-hero::after {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: 58%;
  height: 78%;
  background: radial-gradient(closest-side, rgba(110, 91, 255, .22), rgba(53, 230, 255, .07) 52%, transparent 78%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .dis-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dis-hero__lead {
  max-width: 720px;
  margin-top: clamp(22px, 3.4vw, 38px);
}

.page-disclaimer .page-title {
  margin: 14px 0 0;
  font-family: var(--font-wide);
  font-size: clamp(30px, 6.1vw, 56px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: .045em;
  color: var(--ice);
}

.page-disclaimer .dis-hero__intro {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
}

/* 首屏指标行 */

.page-disclaimer .dis-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--dis-rule);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  overflow: hidden;
}

.page-disclaimer .dis-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  background: var(--deep);
}

.page-disclaimer .dis-fact__k {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-disclaimer .dis-fact__v {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 20px);
  letter-spacing: .02em;
  color: var(--lime);
}

/* 首屏图像带 */

.page-disclaimer .dis-hero__media {
  position: relative;
  z-index: 1;
  margin: clamp(30px, 5vw, 54px) 0 0;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  overflow: hidden;
  background: var(--deep);
}

.page-disclaimer .dis-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */

.page-disclaimer .dis-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(34px, 5.5vw, 66px) 0 clamp(56px, 8vw, 104px);
}

/* ---------- 章节索引 ---------- */

.page-disclaimer .dis-index__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-disclaimer .dis-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-disclaimer .dis-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-disclaimer .dis-index__link:hover,
.page-disclaimer .dis-index__link:focus-visible {
  color: var(--cyan);
  border-color: rgba(53, 230, 255, .5);
  background: rgba(53, 230, 255, .06);
}

.page-disclaimer .dis-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: rgba(53, 230, 255, .75);
}

/* ---------- 章节 ---------- */

.page-disclaimer .dis-content {
  min-width: 0;
}

.page-disclaimer .dis-sec {
  position: relative;
  padding: clamp(26px, 3.8vw, 40px) 0 clamp(34px, 5vw, 54px);
  scroll-margin-top: calc(var(--topbar-h) + 26px);
}

.page-disclaimer .dis-sec:first-child {
  padding-top: 0;
}

.page-disclaimer .dis-sec:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--hairline) 0%, var(--dis-rule) 52%, var(--dis-rule-out) 100%);
}

.page-disclaimer .dis-sec__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2.4vw, 22px);
  margin-bottom: clamp(14px, 2.2vw, 22px);
}

.page-disclaimer .dis-sec__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.6vw, 42px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--dis-num);
  transition: color .28s var(--ease);
}

.page-disclaimer .dis-sec__title {
  margin: 0;
  font-family: var(--font-wide);
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: .05em;
  color: var(--ice);
}

.page-disclaimer .dis-sec:target .dis-sec__num {
  color: var(--lime);
}

.page-disclaimer .dis-sec:target .dis-sec__title {
  color: #FFFFFF;
}

.page-disclaimer .dis-sec p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.86;
  color: var(--mist);
}

.page-disclaimer .dis-sec p:last-of-type {
  margin-bottom: 0;
}

/* 关键数字与口径提示 */

.page-disclaimer .dis-term {
  position: relative;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .96em;
  letter-spacing: .01em;
  color: var(--lime);
  border-bottom: 1px dashed rgba(201, 255, 69, .45);
  cursor: help;
}

.page-disclaimer .dis-term::after {
  content: attr(data-note);
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: max-content;
  max-width: 258px;
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0;
  color: var(--ice);
  background: var(--slab);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  pointer-events: none;
  z-index: 5;
}

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

/* 关联页面入口 */

.page-disclaimer .dis-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 30px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-disclaimer .dis-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .dis-fact {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 8px;
    padding: 18px 18px 20px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .dis-body {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(48px, 6vw, 92px);
  }

  .page-disclaimer .dis-index {
    position: sticky;
    top: calc(var(--topbar-h) + 32px);
    align-self: start;
  }

  .page-disclaimer .dis-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .dis-index__link {
    display: flex;
    justify-content: flex-start;
    padding: 10px 0 10px 15px;
    border: 0;
    border-left: 1px solid var(--hairline);
    border-radius: 0;
    font-size: 13.5px;
    white-space: normal;
    background: none;
  }

  .page-disclaimer .dis-index__link:hover,
  .page-disclaimer .dis-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dis-index__link,
  .page-disclaimer .dis-sec__num,
  .page-disclaimer .dis-term::after {
    transition: none;
  }
}