.page-disclaimer {
  --di-rule: rgba(27, 31, 28, 0.12);
  --di-rule-brass: rgba(192, 138, 62, 0.34);
  --di-note-bg: rgba(232, 224, 210, 0.55);
  --di-soft-paper: rgba(244, 239, 228, 0.72);
  background: var(--paper);
  color: var(--black);
}

.page-disclaimer .breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
}

/* —— 头图区 —— */
.page-disclaimer .di-head {
  padding: clamp(20px, 3vw, 36px) 0 clamp(48px, 7vw, 88px);
  background: var(--paper);
  border-bottom: 1px solid var(--di-rule);
}

.page-disclaimer .di-head__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: end;
}

.page-disclaimer .di-head__copy .index-label {
  display: inline-block;
  margin-bottom: 14px;
}

.page-disclaimer .di-head__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 54px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 0 0 20px;
}

.page-disclaimer .di-head .lead {
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.78;
  color: var(--ink-700);
  max-width: 40em;
  margin: 0;
}

.page-disclaimer .di-head__fig {
  margin: 0;
  position: relative;
}

.page-disclaimer .di-head__fig::before {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  width: 34px;
  height: 34px;
  border-top: 2px solid var(--brass);
  border-right: 2px solid var(--brass);
  pointer-events: none;
  z-index: 2;
}

.page-disclaimer .di-head__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  filter: saturate(0.9) contrast(1.02);
}

.page-disclaimer .di-head__cap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--sage);
}

.page-disclaimer .di-head__cap .mono {
  color: var(--brass);
  letter-spacing: 0.1em;
}

/* —— 章节目录 —— */
.page-disclaimer .di-toc {
  padding: clamp(24px, 3vw, 36px) 0;
  background: var(--paper-2);
  border-bottom: 1px solid var(--di-rule);
}

.page-disclaimer .di-toc__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--brass);
  margin: 0 0 16px;
  text-transform: uppercase;
}

.page-disclaimer .di-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px 24px;
}

.page-disclaimer .di-toc__list li {
  min-width: 0;
}

.page-disclaimer .di-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 0;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px dashed transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .di-toc__list a:hover,
.page-disclaimer .di-toc__list a:focus-visible {
  color: var(--brass);
  border-bottom-color: var(--brass);
  outline: none;
}

.page-disclaimer .di-toc__list .mono {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--brass);
}

/* —— 章节基础 —— */
.page-disclaimer .di-sec {
  padding: clamp(48px, 7vw, 96px) 0;
  scroll-margin-top: 160px;
}

.page-disclaimer .di-sec h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--ink);
  margin: 12px 0 22px;
}

.page-disclaimer .di-sec h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  margin: 4px 0 8px;
}

.page-disclaimer .di-sec .prose p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
  margin: 0 0 16px;
  max-width: 40em;
}

.page-disclaimer .di-sec .prose p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .di-sec__head {
  max-width: 40em;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-disclaimer .di-sec__head .lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-700);
}

/* —— 左正文右批注 非对称布局 —— */
.page-disclaimer .di-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.page-disclaimer .di-row__side {
  display: grid;
  gap: 14px;
}

/* —— 批注卡 —— */
.page-disclaimer .di-note {
  border-left: 2px solid var(--brass);
  padding: 14px 16px;
  background: var(--di-note-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-disclaimer .di-note__h {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--brass);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.page-disclaimer .di-note p {
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink-700);
  margin: 0;
}

.page-disclaimer .di-note--accent {
  border-left-color: var(--cinnabar);
}

.page-disclaimer .di-note--accent .di-note__h {
  color: var(--cinnabar);
}

/* —— 版本双栏对照 —— */
.page-disclaimer .di-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-disclaimer .di-pair__card {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--di-rule);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.page-disclaimer .di-pair__card--current {
  border-top: 3px solid var(--brass);
}

.page-disclaimer .di-pair__card--legacy {
  border-top: 3px solid var(--sage);
  background: var(--paper-2);
  box-shadow: none;
}

.page-disclaimer .di-pair__ver {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-disclaimer .di-pair__tag {
  display: inline-block;
  margin-bottom: 8px;
}

.page-disclaimer .di-pair__card p {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-700);
  margin: 4px 0;
}

.page-disclaimer .di-pair__list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .di-pair__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink-700);
}

.page-disclaimer .di-pair__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--brass);
}

.page-disclaimer .di-callout {
  margin: 24px 0 0;
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--ink-500);
  border: 1px dashed var(--di-rule-brass);
  border-radius: var(--radius);
  word-break: break-word;
}

/* —— 系统兼容清单 —— */
.page-disclaimer .di-sys {
  padding: 18px 18px 20px;
  background: var(--paper-2);
  border: 1px solid var(--di-rule);
  border-radius: var(--radius);
}

.page-disclaimer .di-sys__title {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--brass);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-disclaimer .di-sys__list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .di-sys__item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--di-rule);
}

.page-disclaimer .di-sys__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .di-sys__item dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  word-break: break-word;
}

.page-disclaimer .di-sys__item dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.62;
  color: var(--ink-700);
}

/* —— 售后渠道（深底收束条） —— */
.page-disclaimer .di-service {
  color: var(--paper);
}

.page-disclaimer .di-service .index-label {
  color: var(--brass-soft);
}

.page-disclaimer .di-service h2 {
  color: var(--paper);
}

.page-disclaimer .di-service .lead {
  color: rgba(244, 239, 228, 0.8);
}

.page-disclaimer .di-service__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(28px, 4vw, 44px) 0 32px;
}

.page-disclaimer .di-service__item {
  padding: 20px;
  background: var(--ink-700);
  border: 1px solid var(--line-paper);
  border-radius: var(--radius);
}

.page-disclaimer .di-service__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--brass-soft);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.page-disclaimer .di-service__value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
  margin: 0 0 6px;
  word-break: break-word;
}

.page-disclaimer .di-service__note {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(228, 192, 138, 0.92);
  margin: 0;
}

.page-disclaimer .di-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--line-paper);
}

.page-disclaimer .di-step {
  min-width: 0;
}

.page-disclaimer .di-step__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--brass-soft);
  margin: 0 0 8px;
}

.page-disclaimer .di-step__t {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-disclaimer .di-step__d {
  font-size: 13px;
  line-height: 1.68;
  color: rgba(244, 239, 228, 0.74);
  margin: 0;
}

/* —— 响应式栅格 —— */
@media (min-width: 720px) {
  .page-disclaimer .di-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .di-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-disclaimer .di-service__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .di-head__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-disclaimer .di-row {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4.5vw, 60px);
  }

  .page-disclaimer .di-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .di-service__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-disclaimer .di-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    padding-top: 28px;
  }

  .page-disclaimer .di-step {
    padding: 0 22px;
    border-left: 1px solid var(--line-paper);
  }

  .page-disclaimer .di-step:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-disclaimer .di-step:last-child {
    padding-right: 0;
  }
}

/* —— 动效降级 —— */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .di-toc__list a {
    transition: none;
  }
}