.page-disclaimer {
  --num-w: 3.2ch;
  position: relative;
  background: var(--ink-900);
  color: var(--white);
  padding-bottom: clamp(56px, 8vw, 104px);
  overflow-x: clip;
}

.page-disclaimer .sk-breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏：非对称拼贴 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 5vw, 52px) 0 clamp(32px, 6vw, 64px);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -10%;
  left: 20%;
  height: 340px;
  background: radial-gradient(58% 100% at 70% 0%, rgba(62, 42, 134, 0.6), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .usage-hero > * {
  position: relative;
  z-index: 1;
}

.page-disclaimer .usage-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 14px 0 20px;
  max-width: 22ch;
}

.page-disclaimer .usage-hero .sk-lead {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
}

.page-disclaimer .usage-quick {
  border: 2px solid var(--line-cyan);
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
  padding: 20px;
}

.page-disclaimer .usage-quick__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-disclaimer .usage-quick dl {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-disclaimer .usage-quick dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-disclaimer .usage-quick dd {
  margin: 4px 0 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--white);
}

@media (min-width: 960px) {
  .page-disclaimer .usage-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

/* ---------- 章节通用 ---------- */
.page-disclaimer .usage-sec {
  margin-top: clamp(44px, 7vw, 88px);
}

.page-disclaimer .usage-sec h2,
.page-disclaimer .dual__col h2,
.page-disclaimer .usage-cta__text h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 4.2vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.page-disclaimer .sk-prose {
  color: var(--muted);
  max-width: 62ch;
}

.page-disclaimer .usage-tail {
  margin-top: clamp(22px, 3.5vw, 32px);
}

/* ---------- 条文：编号方块 + 内容 ---------- */
.page-disclaimer .clause-stack {
  margin-top: clamp(24px, 4vw, 36px);
  display: grid;
  gap: clamp(6px, 1.4vw, 10px);
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: var(--num-w) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .clause__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--num-w);
  min-height: 26px;
  padding: 5px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--cyan);
  background: rgba(75, 224, 208, 0.1);
  border: 1.5px solid var(--line-cyan);
}

.page-disclaimer .clause__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-disclaimer .clause__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 术语下划线 + 注解浮层 ---------- */
.page-disclaimer .term {
  position: relative;
  color: var(--white);
  border-bottom: 1px dashed var(--cyan);
  cursor: help;
}

.page-disclaimer .term:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-disclaimer .term__tip {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 6;
  width: max-content;
  max-width: min(300px, 62vw);
  padding: 9px 11px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--white);
  background: var(--ink-950);
  border: 1.5px solid var(--line-cyan);
  box-shadow: 6px 6px 0 rgba(6, 10, 28, 0.9);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 180ms var(--ease);
}

.page-disclaimer .term:hover .term__tip,
.page-disclaimer .term:focus .term__tip,
.page-disclaimer .term:focus-within .term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 三种差异标记 ---------- */
.page-disclaimer .states {
  margin-top: clamp(22px, 3.5vw, 32px);
  display: grid;
  gap: 14px;
}

.page-disclaimer .state-item {
  padding: 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  box-shadow: 6px 6px 0 rgba(6, 10, 28, 0.75);
}

.page-disclaimer .state-item p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-disclaimer .states {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 示意图 ---------- */
.page-disclaimer .usage-figure {
  margin: clamp(28px, 5vw, 48px) 0 0;
  background: var(--ink-800);
  border: 2px solid var(--line-cyan);
  box-shadow: var(--shadow-hard-lg);
}

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

.page-disclaimer .usage-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 标注示例 ---------- */
.page-disclaimer .usage-sample {
  margin: clamp(22px, 3.5vw, 30px) 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--amber);
  background: rgba(242, 160, 61, 0.08);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--white);
  overflow-wrap: anywhere;
}

/* ---------- 双栏节奏切换 ---------- */
.page-disclaimer .dual {
  margin-top: clamp(44px, 7vw, 88px);
  display: grid;
  gap: clamp(30px, 5vw, 44px);
}

.page-disclaimer .dual__col {
  padding-top: 22px;
  border-top: 2px solid var(--cyan);
}

.page-disclaimer .dual__col--b {
  border-top-color: var(--amber);
}

.page-disclaimer .dual__col h2 {
  font-size: clamp(1.25rem, 3.6vw, 1.65rem);
  margin-bottom: 6px;
}

.page-disclaimer .bullet-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-disclaimer .bullet-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-disclaimer .dual__col--b .bullet-list li::before {
  background: var(--amber);
}

@media (min-width: 900px) {
  .page-disclaimer .dual {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(40px, 5.5vw, 72px);
  }
}

/* ---------- 页尾引导条 ---------- */
.page-disclaimer .usage-cta {
  margin-top: clamp(52px, 8vw, 96px);
  padding: clamp(22px, 4vw, 36px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  border: 2px solid var(--cyan);
  background: linear-gradient(120deg, var(--violet-a) 0%, var(--ink-800) 68%);
  box-shadow: var(--shadow-hard-lg);
}

.page-disclaimer .usage-cta__text {
  flex: 1 1 320px;
  min-width: 0;
}

.page-disclaimer .usage-cta__text h2 {
  font-size: clamp(1.2rem, 3.4vw, 1.6rem);
  margin-bottom: 10px;
}

.page-disclaimer .usage-cta__text p {
  margin: 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-disclaimer .usage-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 窄屏：注解改为常显，避免浮层溢出 ---------- */
@media (max-width: 719px) {
  .page-disclaimer .term {
    cursor: auto;
  }

  .page-disclaimer .term__tip {
    position: static;
    display: inline;
    width: auto;
    max-width: none;
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
    color: var(--muted);
    font-size: 13px;
  }

  .page-disclaimer .term__tip::before {
    content: "（";
  }

  .page-disclaimer .term__tip::after {
    content: "）";
  }

  .page-disclaimer .clause {
    gap: 14px;
  }

  .page-disclaimer .usage-cta {
    box-shadow: 8px 8px 0 rgba(6, 10, 28, 0.9);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .term__tip {
    transition: opacity 1ms linear;
    transform: none;
  }
}
<<<END>>>