.page-disclaimer {
  --dl-rule: rgba(7, 19, 31, .14);
  --dl-rule-str: rgba(7, 19, 31, .42);
  background: var(--by-sand);
  color: var(--by-ink);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dl-hero {
  position: relative;
  overflow: hidden;
  background: var(--by-grad-panel);
  color: var(--by-sand);
  border-bottom: 2px solid var(--by-ink);
}

.page-disclaimer .dl-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
}

.page-disclaimer .dl-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 100% at 12% 0%, rgba(0, 212, 255, .22) 0%, rgba(0, 212, 255, 0) 62%),
    linear-gradient(180deg, rgba(10, 37, 64, .90) 0%, rgba(10, 37, 64, .74) 52%, rgba(7, 19, 31, .96) 100%);
}

.page-disclaimer .dl-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 3.5vw, 44px);
  padding-top: clamp(46px, 8vw, 100px);
  padding-bottom: clamp(42px, 7.5vw, 86px);
}

.page-disclaimer .dl-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(217, 226, 236, .85);
  margin-bottom: 20px;
}

.page-disclaimer .dl-crumb a {
  color: var(--by-electric-soft);
  text-decoration: none;
}

.page-disclaimer .dl-crumb a:hover {
  text-decoration: underline;
}

.page-disclaimer .dl-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin: 0 0 14px;
  font-family: var(--by-font-mono);
  font-size: 12px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--by-coral);
}

.page-disclaimer .dl-kicker::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--by-coral);
}

.page-disclaimer .dl-hero h1 {
  margin: 0;
  font-family: var(--by-font-head);
  font-weight: 800;
  font-size: clamp(36px, 7vw, 74px);
  line-height: 1.04;
  letter-spacing: .01em;
  color: var(--by-sand);
}

.page-disclaimer .dl-hero__lede {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: rgba(247, 244, 238, .86);
}

.page-disclaimer .dl-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .dl-hero__meta li {
  font-family: var(--by-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 6px 13px;
  border: 1px solid rgba(127, 231, 255, .38);
  border-radius: 999px;
  background: rgba(0, 212, 255, .08);
  color: var(--by-electric-soft);
}

/* ---------- 主体两栏 ---------- */
.page-disclaimer .dl-layout {
  display: grid;
  gap: clamp(28px, 4vw, 40px);
  padding-top: clamp(34px, 5.5vw, 70px);
  padding-bottom: clamp(46px, 7vw, 88px);
  align-items: start;
}

/* ---------- 目录 ---------- */
.page-disclaimer .dl-toc {
  border-top: 3px solid var(--by-ink);
  padding-top: 16px;
}

.page-disclaimer .dl-toc__label {
  margin: 0 0 12px;
  font-family: var(--by-font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--by-lake);
}

.page-disclaimer .dl-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .dl-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--by-ink);
  text-decoration: none;
  white-space: nowrap;
  border-left: 2px solid transparent;
  border-radius: 0 var(--by-radius-s) var(--by-radius-s) 0;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}

.page-disclaimer .dl-toc__link:hover,
.page-disclaimer .dl-toc__link:focus-visible {
  background: rgba(0, 212, 255, .14);
  border-left-color: var(--by-electric);
  color: var(--by-deep-sea);
}

.page-disclaimer .dl-toc__num {
  flex: none;
  font-family: var(--by-font-mono);
  font-size: 11px;
  color: var(--by-lake);
}

.page-disclaimer .dl-toc__extra {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 2px dashed var(--dl-rule);
  display: grid;
  gap: 8px;
}

.page-disclaimer .dl-toc__extra p {
  margin: 0;
  font-family: var(--by-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--by-lake);
}

.page-disclaimer .dl-toc__extra a {
  width: fit-content;
  font-size: 14px;
  color: var(--by-deep-sea);
  text-decoration: none;
  border-bottom: 1px solid var(--dl-rule-str);
  padding-bottom: 1px;
}

.page-disclaimer .dl-toc__extra a:hover {
  color: var(--by-coral);
  border-bottom-color: var(--by-coral);
}

/* ---------- 条款卡片 ---------- */
.page-disclaimer .dl-doc {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  min-width: 0;
}

.page-disclaimer .dl-clause {
  background: #FFFFFF;
  border: 2px solid var(--by-ink);
  border-radius: var(--by-radius-m);
  padding: clamp(22px, 3.2vw, 38px);
  box-shadow: 8px 8px 0 rgba(7, 19, 31, .10);
  scroll-margin-top: calc(var(--by-header-h) + 28px);
  transition: box-shadow .24s ease, border-color .24s ease;
}

.page-disclaimer .dl-clause:target {
  border-color: var(--by-coral);
  box-shadow: 10px 10px 0 rgba(255, 107, 74, .30);
}

.page-disclaimer .dl-clause__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--dl-rule);
}

.page-disclaimer .dl-clause__no {
  flex: none;
  font-family: var(--by-font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 6px 13px;
  border-radius: 999px;
  background: var(--by-deep-sea);
  color: var(--by-sand);
}

.page-disclaimer .dl-clause__title {
  margin: 0;
  font-family: var(--by-font-head);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--by-ink);
}

.page-disclaimer .dl-clause__body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--by-tide);
}

.page-disclaimer .dl-clause__body > *:first-child {
  margin-top: 0;
}

.page-disclaimer .dl-clause__body p {
  margin: 0 0 16px;
}

.page-disclaimer .dl-clause__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dl-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-disclaimer .dl-list li {
  position: relative;
  padding-left: 26px;
}

.page-disclaimer .dl-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .62em;
  width: 8px;
  height: 8px;
  border: 2px solid var(--by-lake);
  transform: rotate(45deg);
}

.page-disclaimer .dl-details {
  margin: 4px 0 18px;
  padding: 14px 18px;
  border: 2px dashed var(--dl-rule-str);
  border-radius: var(--by-radius-s);
  background: rgba(0, 212, 255, .06);
}

.page-disclaimer .dl-details > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 15px;
  color: var(--by-deep-sea);
}

.page-disclaimer .dl-details > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dl-details > summary::before {
  content: "+";
  font-family: var(--by-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--by-coral);
}

.page-disclaimer .dl-details[open] > summary::before {
  content: "\2013";
}

.page-disclaimer .dl-details .dl-list {
  margin-top: 14px;
  margin-bottom: 0;
}

/* ---------- 收尾联系区 ---------- */
.page-disclaimer .dl-closing {
  position: relative;
  overflow: hidden;
  background: var(--by-tide);
  border-top: 2px solid var(--by-ink);
  border-bottom: 2px solid var(--by-ink);
  color: var(--by-sand);
}

.page-disclaimer .dl-closing::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(110% 84% at 88% 8%, rgba(0, 212, 255, .24) 0%, rgba(0, 212, 255, 0) 62%);
  pointer-events: none;
}

.page-disclaimer .dl-closing__inner {
  position: relative;
  display: grid;
  gap: 24px;
  padding-top: clamp(36px, 5.5vw, 62px);
  padding-bottom: clamp(36px, 5.5vw, 62px);
}

.page-disclaimer .dl-closing h2 {
  margin: 0 0 12px;
  font-family: var(--by-font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  color: var(--by-sand);
}

.page-disclaimer .dl-closing p {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(247, 244, 238, .82);
}

.page-disclaimer .dl-mail {
  font-family: var(--by-font-mono);
  color: var(--by-electric-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 231, 255, .5);
}

.page-disclaimer .dl-mail:hover {
  color: var(--by-coral);
  border-bottom-color: var(--by-coral);
}

.page-disclaimer .dl-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .dl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--by-radius-s);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.page-disclaimer .dl-btn--primary {
  background: var(--by-coral);
  color: var(--by-ink);
  box-shadow: 5px 5px 0 rgba(7, 19, 31, .45);
}

.page-disclaimer .dl-btn--outline {
  color: var(--by-sand);
  border-color: rgba(247, 244, 238, .55);
  box-shadow: 5px 5px 0 rgba(0, 212, 255, .22);
}

.page-disclaimer .dl-btn:hover {
  transform: translate(-2px, -2px);
}

.page-disclaimer .dl-btn--primary:hover {
  box-shadow: 7px 7px 0 rgba(7, 19, 31, .5);
}

.page-disclaimer .dl-btn--outline:hover {
  box-shadow: 7px 7px 0 rgba(0, 212, 255, .35);
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .dl-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
  }
}

@media (min-width: 940px) {
  .page-disclaimer .dl-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-disclaimer .dl-toc {
    position: sticky;
    top: calc(var(--by-header-h) + 24px);
  }

  .page-disclaimer .dl-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .dl-toc__link {
    white-space: normal;
  }
}

@media (min-width: 820px) {
  .page-disclaimer .dl-closing__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (max-width: 700px) {
  .page-disclaimer .dl-hero__bg {
    opacity: .34;
  }

  .page-disclaimer .dl-clause__head {
    flex-wrap: wrap;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dl-btn,
  .page-disclaimer .dl-clause,
  .page-disclaimer .dl-toc__link {
    transition: none;
  }

  .page-disclaimer .dl-btn:hover {
    transform: none;
  }
}