/* ==================== 使用说明页 ==================== */

.page-disclaimer {
  --ui-space-sm: 14px;
  --ui-space-md: clamp(24px, 3.6vw, 46px);
  --ui-space-lg: clamp(52px, 7vw, 100px);
  --ui-rule: var(--line);
  --ui-rule-strong: var(--line-2);
  --ui-card: linear-gradient(180deg, rgba(12, 26, 44, 0.62), rgba(6, 12, 23, 0.74));
  display: block;
  overflow-x: clip;
}

.page-disclaimer p {
  margin: 0;
}

.page-disclaimer h2,
.page-disclaimer h3 {
  margin: 0;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .ui-hero {
  padding: clamp(30px, 5.4vw, 76px) 0 clamp(44px, 7vw, 92px);
  border-bottom: 1px solid var(--ui-rule);
  background-image:
    radial-gradient(120% 92% at 88% -12%, rgba(47, 242, 208, 0.085), transparent 58%),
    linear-gradient(180deg, rgba(8, 17, 31, 0.72), rgba(4, 8, 15, 0));
}

.page-disclaimer .ui-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ui-space-md);
}

.page-disclaimer .ui-hero h1 {
  margin: 16px 0 0;
  max-width: 20ch;
  font-size: clamp(1.95rem, 6.2vw, 4.3rem);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #ffffff;
  overflow-wrap: break-word;
}

.page-disclaimer .ui-hero__lead {
  margin-top: var(--ui-space-md);
  max-width: 56ch;
  font-size: clamp(0.96rem, 1.55vw, 1.08rem);
  line-height: 1.9;
  color: var(--text-2);
}

.page-disclaimer .ui-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: var(--ui-space-md);
}

.page-disclaimer .ui-hero__fig {
  margin: 0;
  align-self: end;
}

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

/* ---------- 章节骨架 ---------- */

.page-disclaimer .ui-sec {
  position: relative;
  padding: var(--ui-space-lg) 0;
  border-top: 1px solid var(--ui-rule);
}

.page-disclaimer .ui-sec::before {
  content: attr(data-index);
  position: absolute;
  top: calc(var(--ui-space-lg) + 4px);
  right: var(--gut);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--text-3);
}

.page-disclaimer .ui-sec__head {
  max-width: 62ch;
  margin-bottom: var(--ui-space-md);
}

.page-disclaimer .ui-sec__head h2 {
  margin-top: 12px;
  font-size: clamp(1.45rem, 3.4vw, 2.35rem);
  line-height: 1.22;
  font-weight: 700;
}

.page-disclaimer .ui-sec__desc {
  margin-top: 14px;
  max-width: 58ch;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--text-2);
}

/* ---------- 五步流程 ---------- */

.page-disclaimer .ui-steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ui-rule);
}

.page-disclaimer .ui-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "text text";
  align-items: baseline;
  gap: 4px 0;
  padding: 20px 0;
  border-bottom: 1px solid var(--ui-rule);
}

.page-disclaimer .ui-step__num {
  grid-area: num;
  font-size: 0.86rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .ui-step__title {
  grid-area: title;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-disclaimer .ui-step__text {
  grid-area: text;
  margin-top: 8px;
  max-width: 66ch;
  font-size: 0.92rem;
  line-height: 1.88;
  color: var(--text-2);
}

/* ---------- 明细列位表 ---------- */

.page-disclaimer .ui-table__scroll {
  border: 1px solid var(--ui-rule-strong);
  background: var(--ui-card);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .ui-table__caption {
  caption-side: top;
  padding: 14px 18px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-disclaimer .ui-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-disclaimer .ui-table th,
.page-disclaimer .ui-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ui-rule);
  line-height: 1.72;
}

.page-disclaimer .ui-table thead th {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  white-space: nowrap;
  border-bottom-color: var(--ui-rule-strong);
}

.page-disclaimer .ui-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-disclaimer .ui-table td:first-child {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

.page-disclaimer .ui-table td:nth-child(2) {
  color: var(--text-2);
}

.page-disclaimer .ui-table td:nth-child(3) {
  color: var(--text-3);
}

/* ---------- 版本轨道 ---------- */

.page-disclaimer .ui-version__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ui-space-md);
}

.page-disclaimer .ui-version__desc {
  margin-top: 14px;
  max-width: 52ch;
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--text-2);
}

.page-disclaimer .ui-version__track {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-disclaimer .ui-version__track li {
  padding: 18px 0 20px;
  border-top: 1px solid var(--ui-rule);
}

.page-disclaimer .ui-version__track li:first-child {
  border-top: 2px solid var(--ui-rule-strong);
}

.page-disclaimer .ui-version__year {
  display: block;
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-disclaimer .ui-version__note {
  margin-top: 8px;
  max-width: 44ch;
  font-size: 0.88rem;
  line-height: 1.82;
  color: var(--text-2);
}

/* ---------- 常见疑问 ---------- */

.page-disclaimer .ui-faq__list {
  border-top: 1px solid var(--ui-rule);
}

.page-disclaimer .ui-faq__item {
  border-bottom: 1px solid var(--ui-rule);
}

.page-disclaimer .ui-faq__item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 19px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(0.98rem, 1.6vw, 1.07rem);
  font-weight: 600;
  color: var(--text);
  line-height: 1.6;
  transition: color 0.22s var(--ease);
}

.page-disclaimer .ui-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .ui-faq__item summary:hover {
  color: var(--cyan);
}

.page-disclaimer .ui-faq__idx {
  flex: none;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-3);
}

.page-disclaimer .ui-faq__item summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--cyan);
  transition: transform 0.26s var(--ease);
}

.page-disclaimer .ui-faq__item[open] summary::after {
  transform: rotate(45deg);
}

.page-disclaimer .ui-faq__answer {
  padding: 0 0 22px 34px;
  max-width: 70ch;
  font-size: 0.92rem;
  line-height: 1.88;
  color: var(--text-2);
}

/* ---------- 联系方式 ---------- */

.page-disclaimer .ui-help__card {
  border: 1px solid var(--ui-rule-strong);
  background: var(--ui-card);
  padding: clamp(22px, 3.2vw, 36px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-disclaimer .ui-help__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-disclaimer .ui-help__value {
  margin-top: 10px;
  font-size: 0.96rem;
  line-height: 1.72;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-disclaimer .ui-help__value a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 242, 208, 0.3);
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease);
}

.page-disclaimer .ui-help__value a:hover {
  color: var(--amber);
  border-bottom-color: rgba(245, 184, 61, 0.5);
}

.page-disclaimer .ui-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--ui-space-md);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .ui-version__track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .ui-version__track li {
    padding: 20px 20px 22px 0;
    border-top: 2px solid var(--ui-rule-strong);
    border-right: 1px dashed var(--ui-rule);
  }

  .page-disclaimer .ui-version__track li:first-child {
    border-top-color: var(--ui-rule-strong);
  }

  .page-disclaimer .ui-version__track li:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

@media (min-width: 860px) {
  .page-disclaimer .ui-step {
    grid-template-columns: 92px minmax(0, 250px) minmax(0, 1fr);
    grid-template-areas: "num title text";
    gap: 0 32px;
    padding: 28px 0;
  }

  .page-disclaimer .ui-step__text {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .ui-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: clamp(34px, 5vw, 80px);
  }

  .page-disclaimer .ui-version__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(38px, 5vw, 84px);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-disclaimer .ui-help__card {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-disclaimer .ui-help__cell {
    padding: 0 28px;
    border-left: 1px solid var(--ui-rule);
  }

  .page-disclaimer .ui-help__cell:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-disclaimer .ui-help__cell:last-child {
    padding-right: 0;
  }
}

@media (max-width: 419px) {
  .page-disclaimer .ui-faq__answer {
    padding-left: 0;
  }

  .page-disclaimer .ui-hero h1 {
    font-size: 1.78rem;
  }
}
<<<END>>>