/* ===== 使用说明页 · page-disclaimer ===== */
.page-disclaimer {
  --disc-toc-w: 264px;
  --disc-code-font: var(--font-data);
}

/* ----- Hero 页眉 ----- */
.page-disclaimer .disc-hero {
  padding-top: clamp(24px, 5vw, 52px);
  position: relative;
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 5px;
  background: linear-gradient(90deg, var(--color-accent) 0 64px, var(--color-line) 64px 96px);
}

.page-disclaimer .disc-hero__grid {
  display: grid;
  gap: 32px;
  align-items: center;
  position: relative;
  padding-top: 28px;
}

.page-disclaimer .disc-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.page-disclaimer .disc-hero__kicker-text {
  font-family: var(--disc-code-font);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--color-ink-soft);
}

.page-disclaimer .disc-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 4.6vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-disclaimer .disc-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.page-disclaimer .disc-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--color-line);
}

.page-disclaimer .disc-hero__facts div {
  border-left: 2px solid var(--color-accent);
  padding-left: 12px;
}

.page-disclaimer .disc-hero__facts dt {
  font-family: var(--disc-code-font);
  font-size: 12px;
  color: var(--color-ink-soft);
}

.page-disclaimer .disc-hero__facts dd {
  margin: 6px 0 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-ink);
}

.page-disclaimer .disc-hero__figure {
  position: relative;
  margin: 0;
  padding: 12px 12px 36px 0;
}

.page-disclaimer .disc-hero__figure::before {
  content: "";
  position: absolute;
  top: 12px;
  right: 0;
  width: 64px;
  height: 64px;
  background: repeating-linear-gradient(-45deg, var(--color-line) 0 2px, transparent 2px 8px);
  z-index: 0;
}

.page-disclaimer .disc-hero__frame {
  position: relative;
  z-index: 1;
  background: var(--color-card);
  border: 1px solid var(--color-ink);
  box-shadow: 10px 10px 0 rgba(45, 42, 38, 0.1);
}

.page-disclaimer .disc-hero__frame::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-disclaimer .disc-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
}

.page-disclaimer .disc-hero__figcap {
  margin-top: 12px;
  font-family: var(--disc-code-font);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
}

/* ----- 分隔线 ----- */
.page-disclaimer .disc-divider {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 52px 0 32px;
}

.page-disclaimer .disc-divider::before,
.page-disclaimer .disc-divider::after {
  content: "";
  height: 1px;
  background: var(--color-line);
  flex: 1;
}

.page-disclaimer .disc-divider::after {
  flex: 0 0 48px;
}

.page-disclaimer .disc-divider__code {
  font-family: var(--disc-code-font);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}

/* ----- 文档版式 ----- */
.page-disclaimer .disc-doc {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-disclaimer .disc-toc {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--color-ink);
  color: #FFFDF8;
  box-shadow: 6px 6px 0 rgba(45, 42, 38, 0.12);
}

.page-disclaimer .disc-toc::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 28px 28px 0;
  border-color: transparent var(--color-accent) transparent transparent;
}

.page-disclaimer .disc-toc__caption {
  margin: 0 0 16px;
  font-family: var(--disc-code-font);
  font-size: 13px;
  letter-spacing: 0.24em;
  color: #BBB5AA;
  text-transform: uppercase;
}

.page-disclaimer .disc-toc__nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 12px;
}

.page-disclaimer .disc-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 253, 248, 0.14);
  color: #FFFDF8;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .disc-toc__link:hover {
  color: #FFB59E;
  border-color: var(--color-accent);
}

.page-disclaimer .disc-toc__num {
  font-family: var(--disc-code-font);
  font-size: 13px;
  font-weight: 400;
  color: var(--color-accent);
}

.page-disclaimer .disc-toc__rel {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 253, 248, 0.14);
}

.page-disclaimer .disc-toc__rel-label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--disc-code-font);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #BBB5AA;
}

.page-disclaimer .disc-toc__rel-link {
  display: inline-block;
  margin-right: 18px;
  color: #FFFDF8;
  font-size: 14px;
  text-decoration-color: rgba(224, 90, 51, 0.7);
  text-underline-offset: 4px;
}

.page-disclaimer .disc-toc__rel-link:hover {
  color: #FFB59E;
}

.page-disclaimer .disc-body {
  min-width: 0;
}

/* ----- 文档区块 ----- */
.page-disclaimer .disc-block {
  position: relative;
  margin-bottom: 28px;
  padding: clamp(24px, 4vw, 42px);
  background: var(--color-card);
  border: 1px solid var(--color-line);
  box-shadow: 5px 5px 0 rgba(45, 42, 38, 0.05);
}

.page-disclaimer .disc-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0 84px, var(--color-line) 84px 100%);
}

.page-disclaimer .disc-block__head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
}

.page-disclaimer .disc-block__no {
  flex: 0 0 auto;
  font-family: var(--disc-code-font);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-accent);
}

.page-disclaimer .disc-block__heading h2 {
  margin: 2px 0 6px;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-disclaimer .disc-block__heading p {
  margin: 0;
  font-size: 14px;
  color: var(--color-ink-soft);
}

.page-disclaimer .disc-block__lead {
  margin: 0 0 20px;
  padding-left: 16px;
  border-left: 3px solid var(--color-line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-ink-soft);
}

/* ----- 条款列表 ----- */
.page-disclaimer .disc-list {
  margin: 0;
  padding: 0;
  counter-reset: disc-items;
  list-style: none;
}

.page-disclaimer .disc-list li {
  position: relative;
  margin: 0;
  padding: 0 0 16px 48px;
  counter-increment: disc-items;
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-ink);
}

.page-disclaimer .disc-list li::before {
  content: "§" counter(disc-items);
  position: absolute;
  top: 1px;
  left: 0;
  min-width: 34px;
  text-align: right;
  font-family: var(--disc-code-font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

/* ----- 注释折叠 ----- */
.page-disclaimer .disc-note {
  margin-top: 18px;
  background: var(--color-bg);
  border: 1px dashed var(--color-line);
}

.page-disclaimer .disc-note__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
}

.page-disclaimer .disc-note__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-note__summary::before {
  content: "+";
  font-family: var(--disc-code-font);
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  color: var(--color-accent);
  transition: transform 0.2s var(--ease);
}

.page-disclaimer .disc-note[open] .disc-note__summary::before {
  transform: rotate(45deg);
}

.page-disclaimer .disc-note__code {
  padding: 2px 8px;
  font-family: var(--disc-code-font);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  border: 1px solid var(--color-line);
}

.page-disclaimer .disc-note__body {
  padding: 0 16px 16px 48px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-disclaimer .disc-note__body p {
  margin: 0;
}

/* ----- 免责声明警告块 ----- */
.page-disclaimer .disc-block--warning {
  background: linear-gradient(180deg, #FFF8F4 0%, var(--color-card) 120px);
  border: 1px solid var(--color-warning);
  border-left: 6px solid var(--color-warning);
  box-shadow: 7px 7px 0 rgba(184, 69, 37, 0.08);
}

.page-disclaimer .disc-block--warning::before {
  background: linear-gradient(90deg, var(--color-warning) 0 84px, var(--color-line) 84px 100%);
}

.page-disclaimer .disc-block--warning .disc-block__no {
  color: var(--color-warning);
}

.page-disclaimer .disc-block__alert {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 22px;
  padding: 16px 18px;
  background: rgba(184, 69, 37, 0.07);
  border: 1px solid rgba(184, 69, 37, 0.35);
  border-left: 4px solid var(--color-warning);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-ink);
}

.page-disclaimer .disc-block__alert p {
  margin: 0;
}

.page-disclaimer .disc-block__alert-code {
  flex: 0 0 auto;
  font-family: var(--disc-code-font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-warning);
}

/* ----- 文末说明 ----- */
.page-disclaimer .disc-foot-note {
  margin-top: 40px;
  padding: 22px 24px;
  border: 1px solid var(--color-line);
  border-left: 6px solid var(--color-ink);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.page-disclaimer .disc-foot-note p {
  margin: 0;
}

.page-disclaimer .disc-foot-note a {
  color: var(--color-blue);
  text-underline-offset: 4px;
}

/* ----- 底部联系条 ----- */
.page-disclaimer .disc-cta {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
  margin-top: clamp(48px, 7vw, 88px);
  padding: clamp(24px, 4vw, 40px);
  background: var(--color-footer);
  color: #FFFDF8;
}

.page-disclaimer .disc-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0 120px, var(--color-tag) 120px 240px, rgba(255, 253, 248, 0.2) 240px 100%);
}

.page-disclaimer .disc-cta__mark {
  display: flex;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
}

.page-disclaimer .disc-cta__text {
  flex: 1;
  min-width: 0;
}

.page-disclaimer .disc-cta__label {
  margin: 0 0 8px;
  font-family: var(--disc-code-font);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-tag);
  text-transform: uppercase;
}

.page-disclaimer .disc-cta__text p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #EDE9E0;
}

/* ----- 响应式 ----- */
@media (min-width: 560px) {
  .page-disclaimer .disc-toc__nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 720px) {
  .page-disclaimer .disc-hero__facts {
    gap: 20px 36px;
  }

  .page-disclaimer .disc-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-disclaimer .disc-cta__text {
    padding: 0 16px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 56px;
    padding-top: 40px;
  }

  .page-disclaimer .disc-doc {
    grid-template-columns: var(--disc-toc-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-disclaimer .disc-toc {
    position: sticky;
    top: 32px;
  }

  .page-disclaimer .disc-toc__nav {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition: none;
    animation: none;
  }
}