.page-disclaimer {
  --rule-accent: var(--crimson);
  --rule-soft: rgba(217, 163, 60, .14);
  background: var(--cream);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding-bottom: clamp(34px, 5vw, 64px);
  background: linear-gradient(180deg, var(--paper) 0%, var(--cream) 100%);
  border-bottom: 4px solid var(--crimson);
  overflow: hidden;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(217, 163, 60, .26) 0%, rgba(217, 163, 60, 0) 68%);
  pointer-events: none;
}

.page-disclaimer .usage-hero .breadcrumbs {
  margin-bottom: 22px;
}

.page-disclaimer .usage-eyebrow {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--crimson);
  background: var(--rule-soft);
  border-left: 3px solid var(--gold);
}

.page-disclaimer .usage-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(40px, 9vw, 84px);
  line-height: 1.02;
  color: var(--crimson);
  position: relative;
  padding-left: 18px;
  border-left: 6px solid var(--gold);
}

.page-disclaimer .usage-lead {
  max-width: 62ch;
  margin: 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--warm-gray);
}

@media (min-width: 900px) {
  .page-disclaimer .usage-lead {
    margin-left: 24px;
    padding-left: 22px;
    border-left: 1px solid var(--line-gold-soft);
  }
}

/* ---------- 目录 ---------- */
.page-disclaimer .usage-toc {
  position: sticky;
  top: var(--header-h-compact);
  z-index: 5;
  padding: 10px 0;
  background: rgba(247, 240, 228, .93);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .usage-toc-list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .usage-toc-list a {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 14px;
  font-family: var(--font-editorial);
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .usage-toc-list a:hover,
.page-disclaimer .usage-toc-list a:focus-visible {
  background: var(--crimson);
  border-color: var(--crimson);
  color: var(--gold-light);
  outline: none;
}

/* ---------- 章节 ---------- */
.page-disclaimer .usage-section {
  padding: clamp(40px, 6vw, 84px) 0;
}

.page-disclaimer .usage-section--account {
  background: linear-gradient(180deg, var(--cream) 0%, #F2E9DA 100%);
}

.page-disclaimer .usage-head .section-title {
  margin-bottom: 14px;
}

.page-disclaimer .usage-head .lead {
  max-width: 66ch;
}

.page-disclaimer .usage-head a {
  color: var(--crimson);
  text-decoration: underline;
  text-decoration-color: var(--line-gold);
  text-underline-offset: 3px;
}

.page-disclaimer .usage-head a:hover,
.page-disclaimer .usage-head a:focus-visible {
  color: var(--crimson-deep);
  text-decoration-color: var(--crimson);
}

/* ---------- 斜切分隔带 ---------- */
.page-disclaimer .slash-band {
  height: 14px;
  background:
    repeating-linear-gradient(-58deg,
      var(--crimson) 0 10px,
      transparent 10px 16px,
      var(--gold) 16px 20px,
      transparent 20px 32px);
  opacity: .42;
}

/* ---------- 配图 ---------- */
.page-disclaimer .usage-figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid var(--line-gold-soft);
  background: var(--paper);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-disclaimer .usage-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 1000px) {
  .page-disclaimer .usage-figure {
    max-width: 78%;
    margin-left: 6%;
    transform: rotate(-.5deg);
  }
}

/* ---------- 规则清单 ---------- */
.page-disclaimer .rule-list {
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--crimson-deep);
}

.page-disclaimer .rule-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .rule-card:hover {
  background: rgba(217, 163, 60, .07);
}

.page-disclaimer .rule-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 34px;
  padding: 0 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--crimson);
  background: var(--paper);
  border: 1px solid var(--line-gold);
  border-left: 4px solid var(--crimson);
  justify-self: start;
}

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

.page-disclaimer .rule-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-disclaimer .rule-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: #33281F;
  max-width: 68ch;
}

.page-disclaimer .rule-text a {
  color: var(--crimson);
  text-decoration: underline;
  text-decoration-color: var(--line-gold);
  text-underline-offset: 3px;
}

.page-disclaimer .rule-text a:hover,
.page-disclaimer .rule-text a:focus-visible {
  color: var(--crimson-deep);
  text-decoration-color: var(--crimson);
}

.page-disclaimer .rule-sample {
  margin: 12px 0 0;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.62;
  color: var(--crimson-deep);
  background: var(--rule-soft);
  border-left: 4px solid var(--gold);
  overflow-wrap: anywhere;
  max-width: 62ch;
}

@media (min-width: 760px) {
  .page-disclaimer .rule-card {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 28px;
    padding: 30px 0;
  }

  .page-disclaimer .rule-num {
    height: 40px;
    font-size: 15px;
  }
}

/* ---------- 反馈区 ---------- */
.page-disclaimer .feedback-band {
  position: relative;
  padding: clamp(44px, 6vw, 88px) 0;
  background: linear-gradient(140deg, var(--crimson) 0%, var(--crimson-deep) 72%, #2E060F 100%);
  color: var(--cream);
  overflow: hidden;
}

.page-disclaimer .feedback-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 40%, var(--cyan) 100%);
}

.page-disclaimer .feedback-inner {
  position: relative;
}
.page-disclaimer .feedback-band .eyebrow--on-dark {
  color: var(--gold-light);
}

.page-disclaimer .feedback-title {
  margin: 12px 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.16;
  color: var(--cream);
  max-width: 24ch;
}

.page-disclaimer .feedback-copy {
  max-width: 66ch;
}

.page-disclaimer .feedback-copy p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(247, 240, 228, .88);
}

.page-disclaimer .feedback-copy a {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .feedback-copy a:hover,
.page-disclaimer .feedback-copy a:focus-visible {
  color: #FFFFFF;
}

.page-disclaimer .feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-disclaimer .feedback-btn-ghost {
  color: var(--gold-light);
  border-color: var(--line-gold);
}

.page-disclaimer .feedback-btn-ghost:hover,
.page-disclaimer .feedback-btn-ghost:focus-visible {
  color: var(--cream);
  border-color: var(--gold-light);
}

/* ---------- 打印 ---------- */
@media print {
  .page-disclaimer .usage-toc,
  .page-disclaimer .feedback-actions {
    display: none;
  }

  .page-disclaimer .rule-card {
    break-inside: avoid;
  }
}