/* ==== 使用说明页 /statement/ ==== */
.page-disclaimer {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-disclaimer a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* 首屏 */
.page-disclaimer .disc-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(34px, 6vw, 64px);
  overflow: hidden;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  top: -18%;
  right: -8%;
  width: min(46vw, 430px);
  height: 136%;
  background: linear-gradient(205deg, rgba(61, 240, 196, 0.13), rgba(61, 240, 196, 0) 58%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-disclaimer .disc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
}

.page-disclaimer .disc-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.2vw, 52px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-disclaimer .disc-hero__lead .lede {
  margin-top: 16px;
  max-width: 60ch;
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(270px, 0.6fr);
    align-items: end;
  }
}

/* 章节索引 */
.page-disclaimer .disc-hero__index {
  padding: 16px 18px 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--glass);
  backdrop-filter: blur(10px);
}

.page-disclaimer .disc-index__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gray);
}

.page-disclaimer .disc-index {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 2px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.page-disclaimer .disc-index li:first-child a {
  border-top: 0;
}

.page-disclaimer .disc-index a:hover,
.page-disclaimer .disc-index a:focus-visible {
  color: var(--cyan);
  padding-left: 10px;
}

.page-disclaimer .disc-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
}

/* 章节 */
.page-disclaimer .disc-section {
  padding: clamp(34px, 5vw, 58px) 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

@media (min-width: 880px) {
  .page-disclaimer .disc-grid {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 0 36px;
  }
}

.page-disclaimer .disc-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

@media (min-width: 880px) {
  .page-disclaimer .disc-num {
    padding-top: 9px;
  }
}

.page-disclaimer .disc-body .section-title {
  margin-bottom: 14px;
}

.page-disclaimer .disc-body > p {
  max-width: 68ch;
  margin: 0 0 14px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-disclaimer .disc-body > p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 13px;
}

.page-disclaimer .disc-list li {
  position: relative;
  max-width: 68ch;
  padding-left: 24px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 11px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .disc-list a {
  color: var(--chalk);
  text-decoration: underline;
  text-decoration-color: var(--cyan-deep);
  text-underline-offset: 3px;
}

.page-disclaimer .disc-list a:hover {
  color: var(--cyan);
}

/* 术语提示 */
.page-disclaimer .term {
  position: relative;
  color: var(--chalk);
  border-bottom: 1px dashed var(--cyan-deep);
  cursor: help;
}

.page-disclaimer .term::after {
  content: attr(data-term);
  position: absolute;
  left: 0;
  bottom: calc(100% + 12px);
  z-index: 6;
  width: max-content;
  max-width: min(300px, 78vw);
  padding: 10px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--glass-strong);
  color: var(--text-mid);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  pointer-events: none;
}

.page-disclaimer .term:hover::after,
.page-disclaimer .term:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 流程条 */
.page-disclaimer .disc-flow {
  margin: 24px 0 6px;
  max-width: 680px;
  overflow-x: auto;
}

.page-disclaimer .disc-flow svg {
  display: block;
  width: 100%;
  min-width: 540px;
  height: auto;
}

.page-disclaimer .disc-flow .flow-box {
  fill: rgba(18, 48, 38, 0.6);
  stroke: rgba(61, 240, 196, 0.38);
  stroke-width: 1;
}

.page-disclaimer .disc-flow .flow-text {
  fill: var(--chalk);
  font-family: var(--font-body);
  font-size: 15px;
}

.page-disclaimer .disc-flow .flow-line {
  stroke: rgba(124, 139, 135, 0.55);
  stroke-width: 1.5;
}

.page-disclaimer .disc-flow .flow-dot {
  fill: var(--cyan);
}

/* 插图 */
.page-disclaimer .disc-figure {
  margin: 26px 0 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* 结尾提示带 */
.page-disclaimer .disc-band {
  margin-top: clamp(24px, 5vw, 44px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(96deg, rgba(61, 240, 196, 0.14), rgba(18, 48, 38, 0.7) 48%, rgba(255, 122, 47, 0.16));
}

.page-disclaimer .disc-band__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: clamp(28px, 5vw, 44px) 0;
}

.page-disclaimer .disc-band__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--chalk);
}

.page-disclaimer .disc-band__text {
  margin: 0;
  max-width: 56ch;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-disclaimer .disc-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 860px) {
  .page-disclaimer .disc-band__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
  }
}

@media (max-width: 560px) {
  .page-disclaimer .disc-flow svg {
    min-width: 480px;
  }

  .page-disclaimer .disc-list li,
  .page-disclaimer .disc-body > p {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index a,
  .page-disclaimer .term::after {
    transition: none;
  }
}