.page-disclaimer {
  --rail-w: 268px;
  padding-bottom: 96px;
}

/* 面包屑 */
.page-disclaimer .breadcrumb {
  padding-top: 24px;
}

.page-disclaimer .crumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--text-faint);
}

.page-disclaimer .crumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-disclaimer .crumb-list a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-disclaimer .crumb-list a:hover,
.page-disclaimer .crumb-list a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--violet);
}

.page-disclaimer .crumb-list [aria-current="page"] {
  color: var(--text);
}

/* 首屏封面 */
.page-disclaimer .cover {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 20px;
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .cover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 120px;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

.page-disclaimer .cover-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-disclaimer .kicker-mark {
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--violet);
}

.page-disclaimer .cover-title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-size: clamp(29px, 4.4vw, 52px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-disclaimer .cover-lede {
  margin: 18px 0 0;
  max-width: 44em;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.75;
}

.page-disclaimer .cover-side {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: var(--shadow-plate);
}

.page-disclaimer .side-title {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-faint);
}

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

.page-disclaimer .side-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-disclaimer .side-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .side-key {
  font-size: 13px;
  color: var(--text-dim);
}

.page-disclaimer .side-val {
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-disclaimer .side-val--gold {
  color: var(--gold);
}

.page-disclaimer .side-val--mail {
  font-size: 12.5px;
  word-break: break-all;
  color: var(--text);
}

/* 步骤双栏 */
.page-disclaimer .steps-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 36px;
}

.page-disclaimer .rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-faint);
}

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

.page-disclaimer .rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--text-dim);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.page-disclaimer .rail-link:hover,
.page-disclaimer .rail-link:focus-visible {
  border-color: var(--violet);
  color: var(--text);
  background: var(--ink-700);
}

.page-disclaimer .rail-num {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--violet);
}

.page-disclaimer .step-body {
  display: grid;
  gap: var(--gap-s);
}

.page-disclaimer .step-block {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  scroll-margin-top: calc(var(--header-h) + 24px);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.page-disclaimer .step-block:hover {
  border-color: var(--violet);
}

.page-disclaimer .step-block:target {
  border-color: var(--violet);
  box-shadow: 0 0 0 1px var(--violet-dim), var(--shadow-plate);
}

.page-disclaimer .step-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-disclaimer .step-index {
  flex: none;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--violet);
}

.page-disclaimer .step-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
}

.page-disclaimer .step-text {
  margin: 16px 0 0;
  max-width: 62ch;
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-disclaimer .step-text a,
.page-disclaimer .advice-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur-fast) var(--ease);
}

.page-disclaimer .step-text a:hover,
.page-disclaimer .advice-list a:hover {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .advice-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-disclaimer .advice-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
}

.page-disclaimer .advice-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--violet);
}

.page-disclaimer .step-link {
  margin: 20px 0 0;
}

.page-disclaimer .step-link .card-link {
  display: inline-block;
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-disclaimer .step-link .card-link:hover {
  border-bottom-color: var(--gold);
}

/* 时间线索表 */
.page-disclaimer .timeline {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .timeline li {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .t-key {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-disclaimer .t-val {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.7;
}

/* 分辨率示意 */
.page-disclaimer .screen-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--gap-s);
  margin-top: 22px;
}

.page-disclaimer .screen-card {
  flex: 1 1 100%;
  min-width: 0;
}

.page-disclaimer .screen-frame {
  display: grid;
  gap: 6px;
  aspect-ratio: 16 / 10;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--ink-900);
}

.page-disclaimer .screen-frame .cell {
  display: block;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: var(--ink-700);
}

.page-disclaimer .screen-card--a .screen-frame {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(3, 1fr);
}

.page-disclaimer .screen-card--b .screen-frame {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
}

.page-disclaimer .screen-card--c .screen-frame {
  grid-template-columns: 1fr;
  grid-template-rows: repeat(4, 1fr);
}

.page-disclaimer .screen-label {
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-disclaimer .screen-note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-disclaimer .screen-figure {
  margin: 24px 0 0;
}

.page-disclaimer .screen-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-disclaimer .screen-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-faint);
}

/* 页尾信息带 */
.page-disclaimer .info-band {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--text-faint);
}

/* 回到顶部 */
.page-disclaimer .to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 20;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 21, 51, .92);
  box-shadow: var(--shadow-plate);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.page-disclaimer .to-top:hover,
.page-disclaimer .to-top:focus-visible {
  border-color: var(--violet);
  color: var(--text);
}

.page-disclaimer a:focus-visible,
.page-disclaimer .rail-link:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-disclaimer .step-block {
    padding: 26px 28px;
  }

  .page-disclaimer .timeline li {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-disclaimer .screen-card {
    flex: 1 1 0;
  }

  .page-disclaimer .screen-card--a {
    flex-grow: 1.5;
  }

  .page-disclaimer .screen-card--b {
    flex-grow: 1.18;
  }

  .page-disclaimer .screen-card--c {
    flex-grow: 1;
  }

  .page-disclaimer .to-top {
    right: 32px;
    bottom: 32px;
  }
}

/* 桌面双栏 */
@media (min-width: 1024px) {
  .page-disclaimer .cover {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
    padding: 48px 0 44px;
  }

  .page-disclaimer .steps-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    margin-top: 48px;
  }

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

  .page-disclaimer .rail-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .rail-list li + li {
    margin-top: 6px;
  }

  .page-disclaimer .rail-link {
    width: 100%;
    padding: 12px 14px;
    white-space: normal;
  }

  .page-disclaimer .rail-num {
    min-width: 32px;
    font-size: 17px;
    font-weight: 700;
  }

  .page-disclaimer .step-body {
    gap: var(--gap);
  }

  .page-disclaimer .step-block {
    padding: 30px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rail-link,
  .page-disclaimer .step-block,
  .page-disclaimer .to-top {
    transition: none;
  }
}