.page-disclaimer {
  --dn-rule: rgba(127, 231, 245, .14);
  --dn-rule-soft: rgba(127, 231, 245, .07);
  --dn-measure: 64ch;
  position: relative;
  display: block;
  overflow-x: hidden;
  padding-bottom: clamp(56px, 9vw, 104px);
  background:
    radial-gradient(120% 60% at 8% 0%, rgba(34, 211, 238, .07), transparent 62%),
    radial-gradient(90% 50% at 100% 22%, rgba(255, 107, 74, .05), transparent 66%);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dn-hero {
  position: relative;
  max-width: 880px;
  padding: clamp(24px, 5vw, 56px) 0 clamp(22px, 4vw, 34px);
}

.page-disclaimer .dn-hero::before {
  content: "";
  position: absolute;
  inset: -18% -10% -8% -12%;
  background-image:
    repeating-linear-gradient(90deg, var(--dn-rule-soft) 0 1px, transparent 1px 52px),
    repeating-linear-gradient(0deg, var(--dn-rule-soft) 0 1px, transparent 1px 52px);
  -webkit-mask-image: radial-gradient(ellipse 70% 82% at 22% 46%, #000 0%, transparent 74%);
  mask-image: radial-gradient(ellipse 70% 82% at 22% 46%, #000 0%, transparent 74%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .dn-hero > * {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dn-hero__label {
  margin: 0 0 18px;
  padding-left: 11px;
  border-left: 2px solid var(--c-coral);
  font-size: var(--fs-label);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan-mist);
}

.page-disclaimer .dn-hero__title {
  margin: 0 0 18px;
  font-size: clamp(27px, 4.6vw, 46px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -.012em;
  color: var(--c-paper);
}

.page-disclaimer .dn-hero__lead {
  margin: 0;
  max-width: var(--dn-measure);
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--c-text-soft);
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer .dn-banner {
  position: relative;
  margin: 0 0 clamp(26px, 5vw, 44px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-glass), var(--c-midnight));
}

.page-disclaimer .dn-banner .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  opacity: .74;
}

.page-disclaimer .dn-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(127, 231, 245, .08) 0 1px, transparent 1px 16px),
    repeating-linear-gradient(0deg, rgba(127, 231, 245, .06) 0 1px, transparent 1px 16px);
  pointer-events: none;
}

.page-disclaimer .dn-banner .media__caption {
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--c-text-dim);
}

/* ---------- 五主题信息带 ---------- */
.page-disclaimer .dn-index {
  position: relative;
  margin: 0 0 clamp(32px, 6vw, 58px);
  border: 1px solid var(--dn-rule);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(18, 56, 92, .55), rgba(6, 16, 31, .42));
  overflow: hidden;
}

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

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

.page-disclaimer .dn-index__item {
  flex: 0 0 auto;
}

.page-disclaimer .dn-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 18px;
  border-left: 1px solid var(--dn-rule-soft);
  color: var(--c-text-soft);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color .22s ease, background-color .22s ease;
}

.page-disclaimer .dn-index__item:first-child .dn-index__link {
  border-left: 0;
}

.page-disclaimer .dn-index__link:hover,
.page-disclaimer .dn-index__link:focus-visible {
  color: var(--c-paper);
  background-color: rgba(34, 211, 238, .1);
}

.page-disclaimer .dn-index__num {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--c-cyan);
}

.page-disclaimer .dn-index__link:hover .dn-index__num,
.page-disclaimer .dn-index__link:focus-visible .dn-index__num {
  color: var(--c-coral);
}

/* ---------- 正文骨架 ---------- */
.page-disclaimer .dn-body {
  max-width: 780px;
}

.page-disclaimer .dn-block {
  position: relative;
  padding: clamp(26px, 4.4vw, 42px) 0;
  border-top: 1px solid var(--dn-rule-soft);
  scroll-margin-top: 96px;
}

.page-disclaimer .dn-block:first-of-type {
  border-top-color: var(--dn-rule);
}

.page-disclaimer .dn-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 16px;
}

.page-disclaimer .dn-block__num {
  flex: none;
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-stone);
  transition: color .26s ease;
}

.page-disclaimer .dn-block:hover .dn-block__num,
.page-disclaimer .dn-block.is-current .dn-block__num {
  color: var(--c-coral);
}

.page-disclaimer .dn-block__title {
  margin: 0;
  font-size: clamp(19px, 2.5vw, 26px);
  line-height: 1.34;
  font-weight: 700;
  letter-spacing: -.006em;
  color: var(--c-paper);
}

.page-disclaimer .dn-block__title::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  margin-top: 10px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-coral));
  transition: width .32s ease;
}

.page-disclaimer .dn-block:hover .dn-block__title::after,
.page-disclaimer .dn-block:focus-within .dn-block__title::after,
.page-disclaimer .dn-block.is-current .dn-block__title::after {
  width: 58px;
}

.page-disclaimer .dn-block__text {
  max-width: var(--dn-measure);
}

.page-disclaimer .dn-block__text p {
  margin: 0 0 14px;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--c-text-soft);
}

.page-disclaimer .dn-block__text p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dn-block__text a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .42);
  transition: color .2s ease, border-color .2s ease;
}

.page-disclaimer .dn-block__text a:hover,
.page-disclaimer .dn-block__text a:focus-visible {
  color: var(--c-coral-soft);
  border-bottom-color: var(--c-coral-soft);
}

/* ---------- 赛事分类标签 ---------- */
.page-disclaimer .dn-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dn-tags__item {
  padding: 5px 11px;
  border: 1px solid var(--dn-rule);
  border-radius: 999px;
  background: rgba(18, 56, 92, .38);
  color: var(--c-cyan-mist);
  font-size: 12.5px;
  letter-spacing: .04em;
  line-height: 1.5;
}

/* ---------- 更新节奏时间线 ---------- */
.page-disclaimer .dn-cadence {
  position: relative;
  margin: 6px 0 18px;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 1px solid var(--dn-rule);
}

.page-disclaimer .dn-cadence__item {
  position: relative;
  padding: 0 0 18px;
}

.page-disclaimer .dn-cadence__item:last-child {
  padding-bottom: 2px;
}

.page-disclaimer .dn-cadence__item::before {
  content: "";
  position: absolute;
  left: -23.5px;
  top: .52em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .15);
}

.page-disclaimer .dn-cadence__time {
  display: block;
  margin-bottom: 4px;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--c-cyan);
}

.page-disclaimer .dn-cadence__desc {
  display: block;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--c-text-soft);
}

/* ---------- 使用限制条目 ---------- */
.page-disclaimer .dn-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dn-list li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

.page-disclaimer .dn-list li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dn-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--c-cyan);
  transform: rotate(45deg);
}

/* ---------- 反馈渠道 ---------- */
.page-disclaimer .dn-contact {
  max-width: 780px;
  margin: clamp(32px, 6vw, 58px) 0 0;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--dn-rule);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(18, 56, 92, .62), rgba(6, 16, 31, .55));
}

.page-disclaimer .dn-contact__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.3vw, 22px);
  font-weight: 700;
  color: var(--c-paper);
}

.page-disclaimer .dn-contact__lead {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

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

.page-disclaimer .dn-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding-top: 12px;
  border-top: 1px solid var(--dn-rule-soft);
}

.page-disclaimer .dn-contact__key {
  flex: none;
  min-width: 72px;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--c-stone);
}

.page-disclaimer .dn-contact__val {
  font-size: 14.5px;
  color: var(--c-cyan-mist);
  word-break: break-word;
}

/* ---------- 相关说明 ---------- */
.page-disclaimer .dn-related {
  max-width: 780px;
  margin: clamp(28px, 5vw, 44px) 0 0;
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--dn-rule-soft);
}

.page-disclaimer .dn-related__title {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--c-stone);
}

.page-disclaimer .dn-related__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dn-related__link {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--dn-rule-soft);
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: border-color .22s ease, background-color .22s ease, transform .22s ease;
}

.page-disclaimer .dn-related__link:hover,
.page-disclaimer .dn-related__link:focus-visible {
  border-color: rgba(34, 211, 238, .42);
  background: rgba(18, 56, 92, .42);
  transform: translateX(3px);
}

.page-disclaimer .dn-related__name {
  display: block;
  margin-bottom: 3px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--c-paper);
}

.page-disclaimer .dn-related__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-text-dim);
}

/* ---------- 渐进增强 ---------- */
.page-disclaimer.js-ready .page-disclaimer [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s ease, transform .55s ease;
}

.page-disclaimer.js-ready .page-disclaimer [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .dn-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-disclaimer .dn-contact__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-disclaimer .dn-contact__item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 720px) {
  .page-disclaimer .dn-related__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .dn-index__list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow: visible;
  }

  .page-disclaimer .dn-index__item {
    flex: none;
  }

  .page-disclaimer .dn-index__link {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 7px;
    padding: 16px 16px 18px;
    white-space: normal;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dn-hero {
    max-width: 940px;
  }

  .page-disclaimer .dn-body,
  .page-disclaimer .dn-contact,
  .page-disclaimer .dn-related {
    max-width: 820px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dn-index__link,
  .page-disclaimer .dn-block__num,
  .page-disclaimer .dn-block__title::after,
  .page-disclaimer .dn-related__link {
    transition: none;
  }

  .page-disclaimer .dn-related__link:hover {
    transform: none;
  }

  .page-disclaimer.js-ready .page-disclaimer [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}