/* ===== 使用说明页 · 作用域 .page-disclaimer ===== */
.page-disclaimer {
  --dl-cell: #0B1435;
  --dl-panel: rgba(18, 27, 74, 0.62);
  --dl-amber-soft: rgba(255, 159, 28, 0.12);
  --dl-cyan-soft: rgba(34, 211, 238, 0.12);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-disclaimer [data-reveal] {
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dl-hero {
  position: relative;
  padding: clamp(1.1rem, 2.6vw, 1.9rem) 0 clamp(2rem, 4.5vw, 3.2rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(880px 360px at 88% -18%, rgba(34, 211, 238, 0.18), transparent 64%),
    radial-gradient(620px 300px at 4% 4%, rgba(255, 159, 28, 0.1), transparent 58%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 76%);
}

.page-disclaimer .dl-hero__head {
  display: grid;
  gap: 1.75rem;
  padding-top: clamp(0.75rem, 2vw, 1.5rem);
}

.page-disclaimer .dl-hero__title {
  margin: 0.75rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 5.6vw, 3.4rem);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-disclaimer .dl-hero__lead {
  margin: 1rem 0 0;
  max-width: 48ch;
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .dl-hero__key {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-disclaimer .dl-hero__key-row {
  display: grid;
  gap: 0.3rem;
  padding: 0.85rem 1rem;
  background: var(--dl-panel);
}

.page-disclaimer .dl-hero__key-row dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .dl-hero__key-row dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text);
}

.page-disclaimer .dl-hero__figure {
  margin: clamp(1.5rem, 3.5vw, 2.4rem) 0 0;
  border: 1px solid var(--line);
  background: var(--ink-850);
}

.page-disclaimer .dl-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 520;
  object-fit: cover;
}

.page-disclaimer .dl-hero__cap {
  padding: 0.7rem 0.95rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-mute);
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .dl-index {
  padding: clamp(2rem, 4.5vw, 3.2rem) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .dl-index__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-disclaimer .dl-index__item {
  background: var(--dl-cell);
}

.page-disclaimer .dl-index__link {
  display: grid;
  gap: 0.45rem;
  height: 100%;
  padding: 1.15rem 1.05rem 1.35rem;
  border-top: 2px solid transparent;
  color: var(--text);
  text-decoration: none;
  transition: background 0.28s var(--ease), border-color 0.28s var(--ease),
    transform 0.28s var(--ease);
}

.page-disclaimer .dl-index__link:hover,
.page-disclaimer .dl-index__link:focus-visible {
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.1), rgba(255, 159, 28, 0.06));
  border-top-color: var(--amber);
  transform: translateY(-2px);
}

.page-disclaimer .dl-index__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-disclaimer .dl-index__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-disclaimer .dl-index__title {
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-disclaimer .dl-index__desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-mute);
}

@media (min-width: 700px) {
  .page-disclaimer .dl-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .dl-index__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 通用分节 ---------- */
.page-disclaimer .dl-section {
  padding: clamp(2.4rem, 5.5vw, 4.2rem) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .dl-section--alt {
  background: linear-gradient(180deg, rgba(18, 27, 74, 0.55), rgba(10, 17, 48, 0.1));
}

.page-disclaimer .dl-block {
  display: grid;
  gap: 1.6rem;
}

.page-disclaimer .dl-block__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.6rem;
  height: 2.6rem;
  padding: 0 0.5rem;
  border: 1px solid var(--line);
  background: var(--dl-amber-soft);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-disclaimer .dl-block__title {
  margin: 0.85rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2.5vw, 1.6rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-disclaimer .dl-block__note {
  margin: 0.7rem 0 0;
  padding-left: 0.8rem;
  border-left: 2px solid var(--cyan);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-mute);
}

@media (min-width: 980px) {
  .page-disclaimer .dl-block {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 2.15fr);
    column-gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }
}

/* ---------- 第二栏：费用卡片 ---------- */
.page-disclaimer .dl-fees {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-disclaimer .dl-fee {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.2rem 1.05rem 1.35rem;
  background: var(--dl-cell);
  transition: background 0.28s var(--ease);
}

.page-disclaimer .dl-fee:hover {
  background: rgba(30, 42, 107, 0.5);
}

.page-disclaimer .dl-fee__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .dl-fee__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-disclaimer .dl-fee__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .dl-fee__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.2rem 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-disclaimer .dl-fees {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 折叠面板 ---------- */
.page-disclaimer .dl-fold {
  border: 1px solid var(--line);
  background: rgba(18, 27, 74, 0.45);
}

.page-disclaimer .dl-folds {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.page-disclaimer .dl-fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.05rem;
  font-family: var(--font-head);
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
  transition: background 0.25s var(--ease);
}

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

.page-disclaimer .dl-fold__summary:hover {
  background: rgba(34, 211, 238, 0.07);
}

.page-disclaimer .dl-fold__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-disclaimer .dl-fold__icon {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
}

.page-disclaimer .dl-fold__icon::before,
.page-disclaimer .dl-fold__icon::after {
  content: "";
  position: absolute;
  background: var(--amber);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-disclaimer .dl-fold__icon::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-disclaimer .dl-fold__icon::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-disclaimer .dl-fold[open] .dl-fold__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-disclaimer .dl-fold__body {
  padding: 0.95rem 1.05rem 1.1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .dl-fold__body p {
  margin: 0;
}

.page-disclaimer .dl-fold + .dl-fold {
  margin-top: 0;
}

/* ---------- 第 3 项：数字块 ---------- */
.page-disclaimer .dl-figures {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-disclaimer .dl-figure {
  display: grid;
  gap: 0.4rem;
  padding: 1.1rem 1.05rem 1.25rem;
  background: var(--dl-cyan-soft);
}

.page-disclaimer .dl-figure__num {
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-disclaimer .dl-figure__label {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-dim);
}

@media (min-width: 720px) {
  .page-disclaimer .dl-figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-disclaimer .dl-lead {
  margin: 1.4rem 0 0;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 下载适用范围：勾选清单 ---------- */
.page-disclaimer .dl-check {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-disclaimer .dl-check__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 1.05rem 1.1rem;
  background: var(--dl-cell);
  transition: background 0.28s var(--ease);
}

.page-disclaimer .dl-check__item:hover {
  background: rgba(30, 42, 107, 0.5);
}

.page-disclaimer .dl-check__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--line);
  background: var(--dl-amber-soft);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--amber);
}

.page-disclaimer .dl-check__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-disclaimer .dl-check__content p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-disclaimer .dl-tail-note {
  margin: 1.3rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-disclaimer .dl-tail-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.45);
}

.page-disclaimer .dl-tail-note a:hover,
.page-disclaimer .dl-tail-note a:focus-visible {
  color: var(--cyan-l);
  border-bottom-color: var(--cyan-l);
}

/* ---------- 备案与联络 ---------- */
.page-disclaimer .dl-filing {
  padding: 1.2rem 1.1rem 1.35rem;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(10, 17, 48, 0.2));
}

.page-disclaimer .dl-filing__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .dl-filing__code {
  margin: 0.6rem 0 0;
  display: inline-block;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  background: rgba(10, 17, 48, 0.55);
  font-size: clamp(1rem, 2.6vw, 1.3rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-disclaimer .dl-filing__text {
  margin: 0.95rem 0 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .dl-filing__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dl-contact {
  margin-top: 1.4rem;
  border: 1px solid var(--line);
}

.page-disclaimer .dl-contact__row {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 1.05rem;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(18, 27, 74, 0.4);
}

.page-disclaimer .dl-contact__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-disclaimer .dl-contact__value {
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  color: var(--mist);
  word-break: break-word;
}

.page-disclaimer .dl-contact__note {
  margin: 0;
  padding: 1rem 1.05rem;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .dl-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  margin: 0;
  padding: 0 1.05rem 1.1rem;
  list-style: none;
}

.page-disclaimer .dl-contact__links a {
  color: var(--cyan);
  font-size: 0.88rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-disclaimer .dl-contact__links a:hover,
.page-disclaimer .dl-contact__links a:focus-visible {
  color: var(--cyan-l);
  border-bottom-color: var(--cyan-l);
}

@media (min-width: 720px) {
  .page-disclaimer .dl-contact__row {
    grid-template-columns: minmax(0, 0.5fr) minmax(0, 1.5fr);
    align-items: baseline;
    gap: 1rem;
  }
}

/* ---------- 收尾行动区 ---------- */
.page-disclaimer .dl-outro {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0 clamp(2.6rem, 5.5vw, 4rem);
  background:
    radial-gradient(760px 300px at 82% 0%, rgba(255, 159, 28, 0.14), transparent 62%),
    linear-gradient(180deg, rgba(18, 27, 74, 0.4), rgba(7, 13, 38, 0.6));
  border-top: 1px solid var(--line);
}

.page-disclaimer .dl-outro__inner {
  display: grid;
  gap: 1.4rem;
  align-items: center;
}

.page-disclaimer .dl-outro__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.2vw, 1.9rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--mist);
}

.page-disclaimer .dl-outro__text {
  margin: 0.7rem 0 0;
  max-width: 52ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .dl-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

@media (min-width: 900px) {
  .page-disclaimer .dl-outro__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    column-gap: clamp(2rem, 5vw, 4rem);
  }

  .page-disclaimer .dl-outro__actions {
    justify-content: flex-end;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer [data-reveal],
  .page-disclaimer .dl-index__link,
  .page-disclaimer .dl-fee,
  .page-disclaimer .dl-check__item,
  .page-disclaimer .dl-fold__summary,
  .page-disclaimer .dl-fold__icon::before,
  .page-disclaimer .dl-fold__icon::after {
    transition: none;
  }

  .page-disclaimer .dl-index__link:hover,
  .page-disclaimer .dl-index__link:focus-visible {
    transform: none;
  }
}