/* ===== 使用说明页 · page-disclaimer ===== */
.page-disclaimer {
  --pd-gold: #C9A227;
  --pd-gold-dim: #8C6F1D;
  --pd-orange: #F85A1E;
  --pd-orange-soft: #FF7A45;
  --pd-dark: #0A0A0A;
  --pd-dark-2: #111111;
  --pd-ivory: #F5F5F0;
  --pd-blue: #1F3A5F;
  --pd-mono: "Roboto Mono", monospace;
  --pd-display: "Impact", "Arial Black", sans-serif;
  --pd-shadow-hard: 6px 6px 0 rgba(0,0,0,.75);
  --pd-shadow-gold: 4px 4px 0 rgba(201,162,39,.35);
  --pd-shadow-orange: 4px 4px 0 rgba(248,90,30,.45);
  --pd-border-w: 2px;
  position: relative;
  background:
    linear-gradient(rgba(245,245,240,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,245,240,.03) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--pd-ivory);
  overflow: hidden;
}
.page-disclaimer::before {
  content: "";
  position: absolute;
  top: 0;
  right: -120px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(248,90,30,.18) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* 面包屑 */
.page-disclaimer .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 24px 0;
  margin: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.page-disclaimer .breadcrumbs li::after {
  content: "/";
  margin-left: 8px;
  color: var(--pd-gold-dim);
}
.page-disclaimer .breadcrumbs li:last-child::after {
  display: none;
}
.page-disclaimer .breadcrumbs a {
  color: rgba(245,245,240,.7);
  text-decoration: none;
  transition: color .25s ease;
}
.page-disclaimer .breadcrumbs a:hover {
  color: var(--pd-gold);
}
.page-disclaimer .breadcrumbs li[aria-current="page"] {
  color: var(--pd-gold);
  font-weight: 700;
}

/* 首页横幅 */
.page-disclaimer__hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 64px 24px 40px;
  margin-bottom: 40px;
}
.page-disclaimer__hero-copy {
  max-width: 920px;
}
.page-disclaimer__hero-kicker {
  font-family: var(--pd-mono);
  font-size: 13px;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--pd-gold);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-disclaimer__hero-kicker::before {
  content: "";
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--pd-orange), transparent);
}
.page-disclaimer__hero-title {
  font-family: var(--pd-display);
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  line-height: .95;
  letter-spacing: .01em;
  margin: 0 0 24px;
  color: var(--pd-ivory);
  text-shadow: 4px 4px 0 rgba(248,90,30,.4);
  transform: skewX(-3deg);
  max-width: 800px;
}
.page-disclaimer__hero-title::first-line {
  color: var(--pd-orange);
}
.page-disclaimer__hero-lead {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245,245,240,.78);
  max-width: 720px;
  margin: 0;
  border-left: 3px solid var(--pd-gold);
  padding-left: 20px;
}
.page-disclaimer__hero-aside {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.page-disclaimer__hero-seal {
  width: 140px;
  height: 140px;
  border: 2px solid var(--pd-gold);
  transform: rotate(45deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(201,162,39,.08);
  box-shadow: var(--pd-shadow-gold);
  position: relative;
  margin-right: 24px;
}
.page-disclaimer__hero-seal::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(201,162,39,.35);
}
.page-disclaimer__hero-seal-num {
  font-family: var(--pd-mono);
  font-size: 28px;
  color: var(--pd-orange);
  font-weight: 700;
}
.page-disclaimer__hero-seal-text {
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--pd-gold);
  margin-top: 4px;
  text-transform: uppercase;
}

/* 目录 */
.page-disclaimer__toc {
  position: relative;
  z-index: 1;
  padding: 0 24px 48px;
  max-width: 1440px;
  margin: 0 auto;
}
.page-disclaimer__toc-inner {
  border: var(--pd-border-w) solid rgba(201,162,39,.4);
  background: rgba(17,17,17,.7);
  padding: 24px;
  box-shadow: var(--pd-shadow-hard);
  transform: translateX(-4px);
}
.page-disclaimer__toc-label {
  font-family: var(--pd-mono);
  font-size: 12px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--pd-gold);
  margin-bottom: 16px;
}
.page-disclaimer__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.page-disclaimer__toc-list a {
  color: rgba(245,245,240,.86);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: color .2s ease, transform .2s ease;
  border-bottom: 1px solid rgba(245,245,240,.08);
  padding-bottom: 8px;
}
.page-disclaimer__toc-list a::before {
  content: "→";
  color: var(--pd-orange);
  font-family: var(--pd-mono);
}

/* 通用章节结构 */
.page-disclaimer__section {
  position: relative;
  z-index: 1;
  padding: 32px 24px;
  max-width: 1440px;
  margin: 0 auto;
  scroll-margin-top: 80px;
}
.page-disclaimer__section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-disclaimer__section-index {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
.page-disclaimer__section-num {
  font-family: var(--pd-display);
  font-size: clamp(3rem, 8vw, 4.8rem);
  font-weight: 900;
  font-style: italic;
  line-height: .9;
  color: transparent;
  -webkit-text-stroke: 1px var(--pd-gold);
  text-stroke: 1px var(--pd-gold);
  opacity: .55;
}
.page-disclaimer__section-tag {
  font-family: var(--pd-mono);
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--pd-orange);
  border: 1px solid rgba(248,90,30,.4);
  padding: 6px 10px;
  background: rgba(248,90,30,.06);
  margin: 0;
  margin-top: 10px;
}
.page-disclaimer__section-body {
  min-width: 0;
}
.page-disclaimer__section-title {
  font-family: var(--pd-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: .02em;
  color: var(--pd-ivory);
  width: fit-content;
  border-bottom: 3px solid var(--pd-orange);
  padding-bottom: 8px;
  margin-bottom: 24px;
}
.page-disclaimer__section-copy {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245,245,240,.82);
  max-width: 900px;
}
.page-disclaimer__section-copy p {
  margin: 0 0 16px;
}
.page-disclaimer__section-copy strong {
  color: var(--pd-gold);
  font-weight: 700;
}
.page-disclaimer__list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  border: 1px solid rgba(201,162,39,.2);
  border-left: 4px solid var(--pd-gold);
  background: rgba(31,58,95,.12);
  padding: 16px 20px 16px 28px;
}
.page-disclaimer__list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.7;
}
.page-disclaimer__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--pd-orange);
  font-size: 16px;
}

/* 步骤卡片 */
.page-disclaimer__steps {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-disclaimer__steps li {
  display: flex;
  gap: 18px;
  background: rgba(17,17,17,.6);
  border: 1px solid rgba(245,245,240,.1);
  padding: 18px 20px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.page-disclaimer__steps li:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 rgba(201,162,39,.25);
  border-color: rgba(201,162,39,.6);
}
.page-disclaimer__step-num {
  font-family: var(--pd-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--pd-orange);
  border: 1px solid rgba(248,90,30,.3);
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-3deg);
  background: rgba(248,90,30,.08);
}
.page-disclaimer__step-body {
  flex: 1;
}
.page-disclaimer__step-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--pd-ivory);
  margin: 0 0 6px;
}
.page-disclaimer__step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245,245,240,.68);
}
.page-disclaimer__hint {
  font-size: 13px;
  color: rgba(245,245,240,.6);
  border-left: 3px solid var(--pd-blue);
  padding-left: 14px;
  font-style: italic;
}

/* 标注引用 */
.page-disclaimer__callout {
  margin-top: 24px;
  background: linear-gradient(135deg, rgba(248,90,30,.1), rgba(201,162,39,.06));
  border: 1px solid rgba(248,90,30,.35);
  border-left: 5px solid var(--pd-orange);
  padding: 18px 20px;
  max-width: 900px;
  box-shadow: var(--pd-shadow-orange);
  transform: translateX(4px);
}
.page-disclaimer__callout-title {
  font-family: var(--pd-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--pd-orange);
  margin: 0 0 8px;
}
.page-disclaimer__callout p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245,245,240,.8);
  margin: 0;
}

/* 金色分隔线 */
.page-disclaimer__divider {
  position: relative;
  z-index: 1;
  height: 2px;
  max-width: 1440px;
  margin: 0 24px;
  background: linear-gradient(90deg, var(--pd-gold) 0%, rgba(248,90,30,.6) 50%, transparent 100%);
}
.page-disclaimer__divider::after {
  content: "◆";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--pd-gold);
  font-size: 12px;
}

/* 图与印章 */
.page-disclaimer__figure {
  margin: 28px 0 0;
  max-width: 340px;
  border: 1px solid rgba(201,162,39,.35);
  padding: 10px;
  background: rgba(17,17,17,.65);
  box-shadow: var(--pd-shadow-gold);
  transform: rotate(-1deg);
}
.page-disclaimer__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  filter: saturate(.75) contrast(1.1);
}
.page-disclaimer__figure figcaption {
  font-family: var(--pd-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: rgba(245,245,240,.55);
  padding-top: 10px;
  text-transform: uppercase;
}

/* 版本历史 */
.page-disclaimer__history {
  font-size: 13px;
  color: rgba(245,245,240,.65);
  margin-top: 24px;
  border-top: 1px solid rgba(245,245,240,.1);
  padding-top: 16px;
}
.page-disclaimer__history a {
  color: var(--pd-gold);
  text-decoration: none;
  margin-left: 8px;
}
.page-disclaimer__history a:hover {
  text-decoration: underline;
}

/* 联系卡片 */
.page-disclaimer__contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
  max-width: 900px;
}
.page-disclaimer__contact-card {
  display: block;
  border: 1px solid rgba(245,245,240,.16);
  background: rgba(17,17,17,.55);
  padding: 18px 20px;
  position: relative;
  text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.page-disclaimer__contact-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--pd-shadow-gold);
  border-color: var(--pd-gold);
}
.page-disclaimer__contact-card-label {
  font-family: var(--pd-mono);
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--pd-orange);
  display: block;
  margin-bottom: 8px;
}
.page-disclaimer__contact-card-value {
  font-size: 14px;
  color: rgba(245,245,240,.78);
  display: block;
  line-height: 1.6;
}
.page-disclaimer__contact-card-arrow {
  position: absolute;
  top: 14px;
  right: 16px;
  color: var(--pd-gold);
  font-size: 20px;
  font-weight: 700;
  transition: transform .25s ease;
}
.page-disclaimer__contact-card:hover .page-disclaimer__contact-card-arrow {
  transform: translate(3px, -3px);
}
.page-disclaimer__contact-address {
  font-family: var(--pd-mono);
  font-size: 13px;
  color: rgba(245,245,240,.55);
  margin-top: 20px;
  padding-left: 16px;
  border-left: 2px solid var(--pd-gold-dim);
}

/* 尾卡 */
.page-disclaimer__endcard {
  position: relative;
  z-index: 1;
  margin-top: 56px;
  padding: 0 24px 64px;
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
}
.page-disclaimer__endcard-inner {
  border: 2px solid var(--pd-gold);
  padding: 40px 24px;
  background:
    linear-gradient(135deg, rgba(248,90,30,.12) 0%, rgba(17,17,17,.85) 60%),
    linear-gradient(rgba(245,245,240,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,245,240,.03) 1px, transparent 1px);
  background-size: auto, 20px 20px, 20px 20px;
  box-shadow: 8px 8px 0 rgba(0,0,0,.75), inset 0 0 0 1px rgba(201,162,39,.15);
  position: relative;
  transform: skewX(-1deg);
}
.page-disclaimer__endcard-inner::after {
  content: "站内索引";
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--pd-mono);
  font-size: 48px;
  font-weight: 700;
  font-style: italic;
  color: rgba(245,245,240,.04);
  letter-spacing: .1em;
  pointer-events: none;
  line-height: 1;
}
.page-disclaimer__endcard-kicker {
  font-family: var(--pd-mono);
  font-size: 12px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--pd-gold);
  margin-bottom: 16px;
}
.page-disclaimer__endcard-title {
  font-family: var(--pd-display);
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  line-height: 1.1;
  margin: 0 0 16px;
  max-width: 720px;
}
.page-disclaimer__endcard-text {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245,245,240,.72);
  max-width: 600px;
}
.page-disclaimer__endcard-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-disclaimer__endcard .btn {
  text-decoration: none;
  font-size: 14px;
  padding: 12px 22px;
  border: 2px solid transparent;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}
.page-disclaimer__endcard .btn--gold {
  background: var(--pd-gold);
  color: var(--pd-dark);
  border-color: var(--pd-gold);
  box-shadow: 3px 3px 0 rgba(0,0,0,.75);
}
.page-disclaimer__endcard .btn--gold:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(0,0,0,.75);
}
.page-disclaimer__endcard .btn--ghost {
  background: transparent;
  color: var(--pd-ivory);
  border-color: rgba(245,245,240,.55);
  box-shadow: 3px 3px 0 rgba(0,0,0,.4);
}
.page-disclaimer__endcard .btn--ghost:hover {
  transform: translate(-2px, -2px);
  border-color: var(--pd-gold);
  box-shadow: 3px 3px 0 rgba(201,162,39,.35);
}
.page-disclaimer__endcard-note {
  font-size: 12px;
  color: rgba(245,245,240,.45);
  margin-top: 20px;
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-disclaimer .breadcrumbs {
    padding: 24px 40px 0;
  }
  .page-disclaimer__section {
    padding: 40px 40px;
  }
  .page-disclaimer__divider {
    margin: 0 40px;
  }
  .page-disclaimer__hero {
    grid-template-columns: 1fr auto;
    padding: 80px 40px 48px;
    gap: 40px;
  }
  .page-disclaimer__hero-lead {
    font-size: 17px;
  }
  .page-disclaimer__hero-aside {
    align-items: flex-start;
    padding-top: 40px;
  }
  .page-disclaimer__toc {
    padding: 0 40px 56px;
  }
  .page-disclaimer__toc-list {
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
  }
  .page-disclaimer__section-grid {
    grid-template-columns: 170px 1fr;
    gap: 40px;
  }
  .page-disclaimer__section-index {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .page-disclaimer__section-tag {
    margin-top: 0;
  }
  .page-disclaimer__section-copy {
    font-size: 15px;
  }
  .page-disclaimer__steps {
    grid-template-columns: 1fr;
  }
  .page-disclaimer__steps li {
    padding: 20px 24px;
  }
  .page-disclaimer__figure {
    max-width: 320px;
  }
  .page-disclaimer__endcard-inner {
    padding: 48px 48px;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .breadcrumbs {
    padding-left: 56px;
  }
  .page-disclaimer__section {
    padding: 48px 56px;
  }
  .page-disclaimer__divider {
    margin: 0 56px;
  }
  .page-disclaimer__hero {
    padding: 88px 56px 56px;
  }
  .page-disclaimer__toc {
    padding: 0 56px 60px;
  }
  .page-disclaimer__section-grid {
    grid-template-columns: 220px 1fr;
    gap: 60px;
  }
  .page-disclaimer__steps li:nth-child(even) {
    transform: translateX(8px);
  }
  .page-disclaimer__steps li:nth-child(even):hover {
    transform: translate(6px, -2px);
  }
}
@media (max-width: 420px) {
  .page-disclaimer__hero-title {
    font-size: 2.3rem;
  }
  .page-disclaimer__hero-seal {
    width: 100px;
    height: 100px;
    margin-right: 8px;
  }
  .page-disclaimer__toc-list a {
    font-size: 14px;
  }
  .page-disclaimer__step-num {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }
  .page-disclaimer__callout {
    padding: 14px 16px;
  }
}