/* ===== 使用说明页 · 页面作用域 ===== */
.page-disclaimer {
  --disc-rule: 2px solid var(--green-deep);
  --disc-hair: 1px solid var(--line);
  --disc-block: clamp(40px, 5.5vw, 80px);
  --disc-col: clamp(72px, 11vw, 160px);
  background: var(--cream);
  color: var(--ink);
}

/* ---------- 首屏框景 ---------- */
.page-disclaimer .disc-hero {
  padding-block: clamp(24px, 3.5vw, 44px) clamp(44px, 6.5vw, 84px);
  background: linear-gradient(180deg, var(--paper) 0%, var(--cream) 74%);
  border-bottom: var(--disc-rule);
}

.page-disclaimer .disc-hero-frame {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 44px);
  margin-top: clamp(18px, 2.6vw, 30px);
  padding: clamp(22px, 3.4vw, 44px);
  border: var(--disc-rule);
  background: var(--cream);
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .disc-hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}

.page-disclaimer .disc-hero-lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.78;
}

.page-disclaimer .disc-hero-key {
  list-style: none;
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  padding: 16px 0 0;
  border-top: var(--disc-hair);
  display: grid;
  gap: 10px;
}

.page-disclaimer .disc-hero-key li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.65;
  color: var(--sage);
}

.page-disclaimer .disc-hero-key .num {
  flex: 0 0 auto;
  min-width: 1.6em;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--copper);
}

.page-disclaimer .disc-hero-side {
  border-top: var(--disc-rule);
  padding-top: 16px;
}

.page-disclaimer .disc-hero-side-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--sage);
}

.page-disclaimer .disc-hero-index {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-disclaimer .disc-hero-index a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  min-height: 44px;
  padding: 11px 6px 11px 0;
  border-bottom: var(--disc-hair);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-disclaimer .disc-hero-index li:first-child a {
  border-top: var(--disc-hair);
}

.page-disclaimer .disc-hero-index a:hover,
.page-disclaimer .disc-hero-index a:focus-visible {
  color: var(--copper);
  padding-left: 8px;
  outline: none;
}

.page-disclaimer .disc-hero-index a:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.page-disclaimer .disc-hero-index .num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

/* ---------- 主体 ---------- */
.page-disclaimer .disc-body {
  padding-block: clamp(4px, 1.4vw, 16px) clamp(48px, 6vw, 88px);
}

.page-disclaimer .disc-section {
  padding-block: var(--disc-block);
  border-bottom: var(--disc-hair);
}

.page-disclaimer .disc-section:last-of-type {
  border-bottom: 0;
}

.page-disclaimer .disc-section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 24px);
}

.page-disclaimer .disc-section-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--copper);
}

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

.page-disclaimer .disc-section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.1vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.005em;
}

.page-disclaimer .disc-section-lede {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .disc-clauses {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  border-top: var(--disc-rule);
}

.page-disclaimer .disc-clauses--plain {
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-disclaimer .disc-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 15px 0;
  border-bottom: var(--disc-hair);
}

.page-disclaimer .disc-clause-id {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-disclaimer .disc-clause-body {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
}

.page-disclaimer .disc-clause-body a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-clause-body a:hover,
.page-disclaimer .disc-clause-body a:focus-visible {
  color: var(--copper);
}

.page-disclaimer .disc-clause-body .num {
  font-family: var(--font-mono);
  font-weight: 700;
}

/* ---------- 图 ---------- */
.page-disclaimer .disc-figure,
.page-disclaimer .disc-diagram {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-disclaimer .disc-diagram {
  padding: clamp(14px, 2vw, 22px);
  border: var(--disc-rule);
  background: var(--paper);
  box-shadow: var(--shadow-hard-sm);
}

.page-disclaimer .disc-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.page-disclaimer .disc-svg text {
  font-family: var(--font-mono);
}

.page-disclaimer .disc-svg .disc-axis-line {
  stroke: var(--green-deep);
  stroke-width: 2.5;
}

.page-disclaimer .disc-svg .disc-node-halo {
  fill: var(--copper-light);
  opacity: 0;
  transition: opacity 0.18s var(--ease);
}

.page-disclaimer .disc-svg .disc-node-dot {
  fill: var(--cream);
  stroke: var(--green-deep);
  stroke-width: 2.5;
  transition: fill 0.18s var(--ease);
}

.page-disclaimer .disc-svg .disc-node-stem {
  stroke: var(--sage);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

.page-disclaimer .disc-svg .disc-node-title {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  fill: var(--ink);
}

.page-disclaimer .disc-svg .disc-node-meta {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  fill: var(--copper);
}

.page-disclaimer .disc-svg .disc-svg-node {
  cursor: pointer;
  outline: none;
}

.page-disclaimer .disc-svg .disc-svg-node:hover .disc-node-halo,
.page-disclaimer .disc-svg .disc-svg-node:focus-visible .disc-node-halo {
  opacity: 1;
}

.page-disclaimer .disc-svg .disc-svg-node:hover .disc-node-dot,
.page-disclaimer .disc-svg .disc-svg-node:focus-visible .disc-node-dot {
  fill: var(--green);
}

/* ---------- 标签页 ---------- */
.page-disclaimer .disc-tabs {
  margin-top: clamp(22px, 3vw, 30px);
  border: var(--disc-rule);
  background: var(--cream);
  box-shadow: var(--shadow-hard-sm);
}

.page-disclaimer .disc-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  background: var(--paper);
  border-bottom: var(--disc-rule);
}

.page-disclaimer .disc-tabs .tab {
  flex: 1 1 150px;
  min-height: 48px;
  padding: 13px 16px;
  border: 0;
  border-right: var(--disc-hair);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-disclaimer .disc-tabs .tab:last-child {
  border-right: 0;
}

.page-disclaimer .disc-tabs .tab:hover {
  background: var(--copper-light);
}

.page-disclaimer .disc-tabs .tab[aria-selected="true"] {
  background: var(--green);
  color: var(--copper-light);
}

.page-disclaimer .disc-tabs .tab:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: -3px;
}

.page-disclaimer .disc-tabs .tab-panel {
  padding: clamp(18px, 2.6vw, 28px);
}

.page-disclaimer .disc-tabs .tab-panel[hidden] {
  display: none;
}

.page-disclaimer .disc-tab-note {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
}

.page-disclaimer .disc-tab-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--disc-hair);
}

.page-disclaimer .disc-tab-list li {
  position: relative;
  padding: 11px 0 11px 24px;
  border-bottom: var(--disc-hair);
  font-size: 15px;
  line-height: 1.68;
}

.page-disclaimer .disc-tab-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 9px;
  height: 9px;
  background: var(--copper);
}

.page-disclaimer .disc-panel--quote .disc-tab-list li::before {
  background: var(--green);
}

.page-disclaimer .disc-panel--check .disc-tab-list li::before {
  background: var(--copper);
}

.page-disclaimer .disc-panel--contract .disc-tab-list li::before {
  background: var(--clay);
}

/* ---------- 备案区 ---------- */
.page-disclaimer .disc-legal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(20px, 2.6vw, 28px);
  border: var(--disc-rule);
  background: var(--paper);
}

.page-disclaimer .disc-legal-cell {
  padding: clamp(15px, 2vw, 22px);
  border-bottom: var(--disc-hair);
}

.page-disclaimer .disc-legal-cell:last-child {
  border-bottom: 0;
}

.page-disclaimer .disc-legal-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.page-disclaimer .disc-legal-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 收尾 ---------- */
.page-disclaimer .disc-closing {
  margin-top: clamp(32px, 4.5vw, 56px);
  padding: clamp(22px, 3vw, 36px);
  border: var(--disc-rule);
  background: var(--green);
  color: var(--cream);
  box-shadow: var(--shadow-hard);
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-disclaimer .disc-closing-text {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
  color: var(--cream);
}

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

.page-disclaimer .disc-closing-actions .btn {
  min-height: 44px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .disc-clause {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: clamp(16px, 2vw, 28px);
    align-items: start;
  }

  .page-disclaimer .disc-clause-id {
    padding-top: 4px;
  }

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

  .page-disclaimer .disc-legal-cell {
    border-bottom: 0;
    border-right: var(--disc-hair);
  }

  .page-disclaimer .disc-legal-cell:last-child {
    border-right: 0;
  }

  .page-disclaimer .disc-closing {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero-frame {
    grid-template-columns: minmax(0, 1.65fr) minmax(230px, 0.85fr);
    align-items: start;
  }

  .page-disclaimer .disc-hero-side {
    border-top: 0;
    border-left: var(--disc-rule);
    padding-top: 0;
    padding-left: clamp(20px, 2.6vw, 34px);
  }

  .page-disclaimer .disc-section-grid {
    grid-template-columns: var(--disc-col) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 64px);
  }

  .page-disclaimer .disc-section-num {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-svg .disc-node-halo,
  .page-disclaimer .disc-svg .disc-node-dot,
  .page-disclaimer .disc-hero-index a,
  .page-disclaimer .disc-tabs .tab {
    transition: none;
  }
}
<<<END>>>