.page-disclaimer {
  position: relative;
  display: block;
  background: linear-gradient(180deg, var(--abyss) 0%, var(--abyss-deep) 52%, var(--abyss) 100%);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(48px, 6vw, 80px);
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .u-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding: clamp(24px, 5vw, 60px) 0 clamp(26px, 4vw, 48px);
  background-image:
    radial-gradient(760px 360px at 12% 0%, rgba(45, 226, 230, .10), transparent 68%),
    linear-gradient(rgba(36, 59, 107, .34) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 59, 107, .34) 1px, transparent 1px);
  background-size: 100% 100%, 64px 64px, 64px 64px;
  background-repeat: no-repeat, repeat, repeat;
}

.page-disclaimer .u-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-disclaimer .u-hero__intro .breadcrumbs {
  margin-bottom: 14px;
}

.page-disclaimer .u-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.08;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-disclaimer .u-hero__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--mist);
}

.page-disclaimer .u-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-disclaimer .u-hero__stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.page-disclaimer .u-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--r-sm);
  background: rgba(11, 58, 69, .34);
}

.page-disclaimer .u-stat__num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .02em;
}

.page-disclaimer .u-stat__k {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-disclaimer .u-hero__media {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(36, 59, 107, .55), rgba(11, 58, 69, .30));
  box-shadow: 0 24px 60px rgba(0, 0, 0, .34);
}

.page-disclaimer .u-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--r-md);
}

.page-disclaimer .u-hero__cap {
  display: block;
  margin: 10px 4px 2px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 章节索引条 ---------- */
.page-disclaimer .u-jump {
  border-bottom: 1px solid var(--line);
  background: rgba(6, 26, 43, .88);
}

.page-disclaimer .u-jump__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-disclaimer .u-jump__label {
  flex: none;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-disclaimer .u-jump__list {
  list-style: none;
  margin: 0;
  padding: 0 2px 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .u-jump__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .u-jump__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-disclaimer .u-jump__list a .mono {
  font-size: 11px;
  color: var(--gold);
}

.page-disclaimer .u-jump__list a:hover,
.page-disclaimer .u-jump__list a:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--abyss-deep);
}

.page-disclaimer .u-jump__list a:hover .mono,
.page-disclaimer .u-jump__list a:focus-visible .mono {
  color: var(--abyss-deep);
}

/* ---------- 内容主体 ---------- */
.page-disclaimer .u-body {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  padding-top: clamp(30px, 5vw, 56px);
}

.page-disclaimer .u-sec {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(10, 37, 64, .82), rgba(6, 26, 43, .92));
  scroll-margin-top: 96px;
}

.page-disclaimer .u-sec__aside {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-disclaimer .u-sec__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 40px);
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
  letter-spacing: .02em;
}

.page-disclaimer .u-sec__tag {
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--cyan);
  padding: 4px 8px;
  border: 1px solid var(--cyan-dim);
  border-radius: var(--r-sm);
}

.page-disclaimer .u-sec__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.2;
  color: var(--paper);
}

.page-disclaimer .u-lead {
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--mist);
}

/* 步骤列表 */
.page-disclaimer .u-steps {
  list-style: none;
  counter-reset: ustep;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .u-steps > li {
  position: relative;
  padding: 12px 16px 12px 54px;
  border-left: 2px solid rgba(45, 226, 230, .38);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(11, 58, 69, .30);
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-disclaimer .u-steps > li::before {
  counter-increment: ustep;
  content: counter(ustep, decimal-leading-zero);
  position: absolute;
  left: 15px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-disclaimer .u-note {
  margin: 16px 0 0;
  padding: 12px 16px;
  border: 1px dashed rgba(242, 184, 75, .42);
  border-radius: var(--r-sm);
  background: rgba(242, 184, 75, .07);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .u-note strong {
  color: var(--gold);
  font-weight: 600;
}

.page-disclaimer .u-plain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-disclaimer .u-plain li {
  position: relative;
  padding-left: 16px;
}

.page-disclaimer .u-plain li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .75em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* 版本对比 */
.page-disclaimer .u-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.page-disclaimer .u-compare__card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(10, 37, 64, .62);
}

.page-disclaimer .u-compare__card--now {
  border-top: 3px solid var(--cyan);
}

.page-disclaimer .u-compare__card--old {
  border-top: 3px solid var(--indigo);
}

.page-disclaimer .u-compare__k {
  display: block;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-disclaimer .u-compare__t {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  color: var(--paper);
}

.page-disclaimer .u-compare__card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .u-compare__card li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--mist);
}

.page-disclaimer .u-compare__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 8px;
  height: 1px;
  background: var(--cyan-dim);
}

/* 联系信息 */
.page-disclaimer .u-contact {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .u-contact > li {
  display: grid;
  gap: 3px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-sm);
  background: rgba(10, 37, 64, .55);
}

.page-disclaimer .u-contact__k {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-disclaimer .u-contact__v {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

.page-disclaimer .u-contact__n {
  font-size: 13px;
  color: var(--mist);
}

/* 折叠面板间距 */
.page-disclaimer .u-sec__main .accordion {
  margin-top: 18px;
}

/* 返回顶部 */
.page-disclaimer .u-foot {
  display: flex;
  justify-content: flex-end;
  padding-top: clamp(26px, 4vw, 40px);
}

.page-disclaimer .u-top-link {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 2px;
}

.page-disclaimer .u-top-link:hover,
.page-disclaimer .u-top-link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .u-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .u-sec {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: clamp(24px, 3.5vw, 48px);
  }

  .page-disclaimer .u-sec__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-disclaimer .u-sec__aside::after {
    content: "";
    width: 44px;
    height: 1px;
    margin-top: 6px;
    background: var(--line-strong);
  }
}

@media (min-width: 980px) {
  .page-disclaimer .u-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  }
}

@media (max-width: 639px) {
  .page-disclaimer .u-jump__label {
    display: none;
  }

  .page-disclaimer .u-steps > li {
    padding-left: 46px;
  }

  .page-disclaimer .u-hero__stats {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .u-jump__list a,
  .page-disclaimer .u-top-link {
    transition: none;
  }
}