/* ===========================================================
   使用说明页 · page-disclaimer
   =========================================================== */
.page-disclaimer {
  --dsc-measure: 660px;
  --dsc-dot: 12px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dsc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 6vw, 64px) 0 clamp(26px, 5vw, 54px);
  background:
    radial-gradient(140% 120% at 8% -10%, rgba(13, 46, 40, .92) 0%, rgba(6, 26, 40, 0) 58%),
    linear-gradient(180deg, var(--deep-sea) 0%, var(--deep-sea) 86%, rgba(6, 26, 40, 0) 100%);
}

.page-disclaimer .dsc-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -58%;
  width: 68%;
  height: 132%;
  background: radial-gradient(closest-side, rgba(53, 224, 200, .16), transparent 72%);
  pointer-events: none;
}

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

.page-disclaimer .dsc-hero .breadcrumb {
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-disclaimer .dsc-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-disclaimer .dsc-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(29px, 7vw, 56px);
  line-height: 1.26;
  letter-spacing: .02em;
  color: var(--pearl);
}

.page-disclaimer .dsc-hero__title::after {
  content: "";
  display: block;
  width: 64px;
  height: 2px;
  margin-top: clamp(18px, 3vw, 26px);
  background: linear-gradient(90deg, var(--dark-gold), var(--neon-teal));
}

.page-disclaimer .dsc-hero__lede {
  margin: 0;
  padding-left: clamp(14px, 2.4vw, 20px);
  border-left: 1px solid var(--line);
  color: var(--mist);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

/* 章节预览目录 */
.page-disclaimer .dsc-toc {
  list-style: none;
  margin: clamp(22px, 3.6vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .dsc-toc li {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .dsc-toc a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 2px;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color .26s var(--ease), padding-left .26s var(--ease), background-color .26s var(--ease);
}

.page-disclaimer .dsc-toc a:hover,
.page-disclaimer .dsc-toc a:focus-visible {
  color: var(--pearl);
  background: rgba(53, 224, 200, .06);
  padding-left: 12px;
}

.page-disclaimer .dsc-toc span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--dark-gold);
  transition: color .26s var(--ease);
}

.page-disclaimer .dsc-toc a:hover span,
.page-disclaimer .dsc-toc a:focus-visible span {
  color: var(--neon-teal);
}

@media (min-width: 900px) {
  .page-disclaimer .dsc-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: start;
    gap: clamp(40px, 6vw, 88px);
  }
}

/* ---------- 横幅 ---------- */
.page-disclaimer .dsc-banner-wrap {
  padding: 0;
  background: linear-gradient(180deg, rgba(6, 26, 40, 0) 0%, var(--deep-sea) 40%);
}

.page-disclaimer .dsc-banner {
  margin: 0;
}

.page-disclaimer .dsc-banner .figure__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--midnight);
}

.page-disclaimer .dsc-banner .figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 12, 21, .05) 0%, rgba(3, 12, 21, .55) 100%);
  pointer-events: none;
}

.page-disclaimer .dsc-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .dsc-banner .figure__caption {
  margin-top: 12px;
  color: var(--mist);
  opacity: .78;
  font-size: 12.5px;
  letter-spacing: .04em;
}

/* ---------- 条款区 ---------- */
.page-disclaimer .dsc-terms {
  padding: clamp(42px, 8vw, 84px) 0 clamp(30px, 5vw, 54px);
  background: var(--deep-sea);
}

.page-disclaimer .dsc-terms__heading {
  margin: 0 0 clamp(20px, 3.6vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .28em;
  color: var(--gold-grey);
}

.page-disclaimer .dsc-terms__heading::after {
  content: "";
  display: inline-block;
  width: 46px;
  height: 1px;
  margin-left: 14px;
  vertical-align: middle;
  background: var(--gold-grey);
}

.page-disclaimer .dsc-list {
  width: 100%;
  max-width: var(--dsc-measure);
}

.page-disclaimer .dsc-list::after {
  content: "";
  display: block;
  height: 1px;
  width: 58%;
  margin-top: clamp(24px, 4.6vw, 38px);
  background: linear-gradient(90deg, var(--gold-grey) 0%, rgba(110, 106, 85, 0) 100%);
  opacity: .75;
}

.page-disclaimer .dsc-clause {
  position: relative;
  display: grid;
  grid-template-columns: var(--dsc-dot) minmax(0, 1fr);
  column-gap: clamp(16px, 3vw, 26px);
  padding: clamp(26px, 5vw, 40px) 0;
  scroll-margin-top: 110px;
}

.page-disclaimer .dsc-clause::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-grey) 0%, rgba(110, 106, 85, 0) 100%);
  opacity: .75;
}

.page-disclaimer .dsc-clause:nth-of-type(1)::before { width: 100%; }
.page-disclaimer .dsc-clause:nth-of-type(2)::before { width: 74%; }
.page-disclaimer .dsc-clause:nth-of-type(3)::before { width: 92%; }
.page-disclaimer .dsc-clause:nth-of-type(4)::before { width: 66%; }
.page-disclaimer .dsc-clause:nth-of-type(5)::before { width: 86%; }

/* 类型色点 */
.page-disclaimer .dsc-clause__dot {
  position: relative;
  width: var(--dsc-dot);
  height: var(--dsc-dot);
  margin-top: 10px;
  background: var(--dark-gold);
  transition: transform .3s var(--ease), background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-disclaimer .dsc-clause:nth-of-type(even) .dsc-clause__dot {
  background: var(--neon-teal);
}

.page-disclaimer .dsc-clause__dot::before {
  content: "";
  position: absolute;
  inset: -16px;
}

.page-disclaimer .dsc-clause__dot::after {
  content: attr(data-kind);
  position: absolute;
  left: 22px;
  top: 50%;
  padding: 4px 9px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--pearl);
  background: rgba(3, 12, 21, .94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%) translateX(-6px);
  transition: opacity .26s var(--ease), transform .26s var(--ease);
}

.page-disclaimer .dsc-clause__dot:hover {
  transform: scale(1.18);
  box-shadow: 0 0 0 5px rgba(53, 224, 200, .12);
}

.page-disclaimer .dsc-clause__dot:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

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

.page-disclaimer .dsc-clause__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--dark-gold);
}

.page-disclaimer .dsc-clause__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(19px, 2.5vw, 24px);
  line-height: 1.42;
  letter-spacing: .02em;
  color: var(--pearl);
}

.page-disclaimer .dsc-clause__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .26s var(--ease), border-color .26s var(--ease);
}

.page-disclaimer .dsc-clause__title a:hover,
.page-disclaimer .dsc-clause__title a:focus-visible {
  color: var(--neon-teal);
  border-bottom-color: rgba(53, 224, 200, .5);
}

.page-disclaimer .dsc-clause__body p {
  margin: 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

@media (min-width: 1080px) {
  .page-disclaimer .dsc-list {
    margin-left: clamp(0px, 4.5vw, 64px);
  }
}

/* ---------- 底部收束 ---------- */
.page-disclaimer .dsc-outro {
  padding: clamp(54px, 9vw, 96px) 0 clamp(64px, 10vw, 108px);
  background: linear-gradient(180deg, var(--deep-sea) 0%, var(--ink-green) 58%, var(--midnight) 100%);
}

.page-disclaimer .dsc-outro__panel {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  padding: clamp(26px, 4.4vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--glass) 0%, rgba(255, 255, 255, .02) 62%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color .34s var(--ease), box-shadow .34s var(--ease), filter .34s var(--ease);
}

.page-disclaimer .dsc-outro__panel:hover,
.page-disclaimer .dsc-outro__panel:focus-within {
  border-color: rgba(53, 224, 200, .44);
  filter: brightness(1.08);
  box-shadow: 0 0 0 1px rgba(53, 224, 200, .16), 0 26px 64px rgba(3, 12, 21, .6);
}

.page-disclaimer .dsc-outro__col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.page-disclaimer .dsc-outro__col h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(20px, 2.7vw, 26px);
  line-height: 1.42;
  letter-spacing: .02em;
  color: var(--pearl);
}

.page-disclaimer .dsc-outro__col p {
  margin: 0;
  color: var(--mist);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.page-disclaimer .dsc-outro__col .btn {
  margin-top: 6px;
}

@media (min-width: 820px) {
  .page-disclaimer .dsc-outro__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .dsc-outro__col + .dsc-outro__col {
    padding-left: clamp(28px, 4vw, 48px);
    border-left: 1px solid var(--line-soft);
  }
}

.page-disclaimer .dsc-related {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 22px;
  margin-top: clamp(20px, 3vw, 28px);
  font-size: 14px;
}

.page-disclaimer .dsc-related__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-grey);
}

.page-disclaimer .dsc-related a {
  color: var(--neon-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, .3);
  transition: border-color .26s var(--ease), color .26s var(--ease);
}

.page-disclaimer .dsc-related a:hover,
.page-disclaimer .dsc-related a:focus-visible {
  color: var(--pearl);
  border-bottom-color: var(--neon-teal);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .page-disclaimer .dsc-clause__dot:hover {
    transform: none;
  }
}