.page-disclaimer {
  --usage-text: #33445f;
  --usage-soft: #6d7d94;
  --usage-rule: rgba(10, 26, 51, 0.12);
  position: relative;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏斜切色带 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 8vw, 104px) 0 clamp(44px, 6vw, 72px);
  background: radial-gradient(120% 150% at 8% 0%, #12315a 0%, var(--ink) 48%, var(--ink-deep) 100%);
  color: var(--paper);
}

.page-disclaimer .usage-hero__slash {
  position: absolute;
  top: -34%;
  right: -10%;
  width: 60%;
  height: 176%;
  transform: rotate(-6deg);
  background: linear-gradient(200deg, rgba(255, 106, 26, 0.46) 0%, rgba(255, 106, 26, 0) 74%);
  pointer-events: none;
}

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

.page-disclaimer .usage-hero .breadcrumb {
  margin: 0 0 clamp(20px, 3vw, 34px);
  font-size: 13px;
  color: var(--mist);
}

.page-disclaimer .usage-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .usage-hero .breadcrumb a:hover,
.page-disclaimer .usage-hero .breadcrumb a:focus-visible {
  color: var(--lime);
}

.page-disclaimer .breadcrumb__sep {
  margin: 0 0.5em;
  color: rgba(147, 161, 181, 0.6);
}

.page-disclaimer .usage-hero .eyebrow {
  margin: 0 0 20px;
}

.page-disclaimer .usage-hero h1 {
  max-width: 22ch;
  margin: 0 0 clamp(20px, 3vw, 28px);
  font-family: var(--font-head);
  font-size: clamp(30px, 4.8vw, 54px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .usage-hero__lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(244, 247, 251, 0.82);
}

.page-disclaimer .usage-hero__facts {
  display: grid;
  gap: 12px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist);
}

.page-disclaimer .usage-hero__facts .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

/* ---------- 首屏氛围图 ---------- */
.page-disclaimer .usage-visual {
  margin: 0;
  background: var(--ink-deep);
}

.page-disclaimer .usage-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(170px, 30vw, 400px);
  object-fit: cover;
}

/* ---------- 章节锚点 ---------- */
.page-disclaimer .usage-anchors {
  background: var(--ink);
  border-top: 1px solid rgba(147, 161, 181, 0.16);
}

.page-disclaimer .usage-anchors__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-disclaimer .usage-anchors__list a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid rgba(147, 161, 181, 0.3);
  border-radius: var(--pill);
  font-size: 14px;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .usage-anchors__list a:hover,
.page-disclaimer .usage-anchors__list a:focus-visible {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

/* ---------- 正文单列窄栏 ---------- */
.page-disclaimer .usage-body {
  padding: clamp(40px, 6vw, 76px) 0 clamp(48px, 7vw, 88px);
}

.page-disclaimer .usage-section {
  padding: clamp(34px, 5vw, 56px) 0;
  border-top: 1px solid var(--usage-rule);
  scroll-margin-top: 88px;
}

.page-disclaimer .usage-section:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .usage-section:last-of-type {
  padding-bottom: 0;
}

.page-disclaimer .usage-section h2 {
  position: relative;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding-left: 20px;
  font-family: var(--font-head);
  font-size: clamp(21px, 2.9vw, 30px);
  font-weight: 700;
  line-height: 1.34;
  color: var(--ink);
}

.page-disclaimer .usage-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  width: 4px;
  height: 1em;
  border-radius: var(--pill);
  background: var(--lime);
}

.page-disclaimer .usage-section p {
  max-width: 66ch;
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--usage-text);
}

.page-disclaimer .usage-section p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .usage-section a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .usage-section a:hover,
.page-disclaimer .usage-section a:focus-visible {
  color: var(--orange);
}

/* ---------- 引用格式示例 ---------- */
.page-disclaimer .usage-sample {
  padding: 18px 22px;
  margin: 0 0 22px;
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--ink);
  color: var(--lime);
  font-family: var(--font-data);
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

/* ---------- 页尾说明带 ---------- */
.page-disclaimer .usage-outro {
  position: relative;
  overflow: hidden;
  margin-top: clamp(24px, 4vw, 48px);
  padding: clamp(52px, 7vw, 88px) 0;
  background: linear-gradient(160deg, var(--ink) 0%, #0d2c4d 54%, var(--teal) 100%);
  color: var(--paper);
}

.page-disclaimer .usage-outro::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(147, 161, 181, 0.14) 0 1px,
    transparent 1px 68px
  );
  pointer-events: none;
}

.page-disclaimer .usage-outro::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 12%;
  width: 140%;
  height: 1px;
  transform: translateX(-50%) rotate(-4deg);
  background: linear-gradient(90deg, rgba(198, 255, 61, 0) 0%, rgba(198, 255, 61, 0.55) 50%, rgba(198, 255, 61, 0) 100%);
  pointer-events: none;
}

.page-disclaimer .usage-outro > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .usage-outro__kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-disclaimer .usage-outro__lead {
  max-width: 44ch;
  margin: 0 0 clamp(26px, 3.6vw, 38px);
  font-family: var(--font-head);
  font-size: clamp(19px, 2.5vw, 26px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-disclaimer .usage-outro__channels {
  display: grid;
  gap: 12px;
  margin: 0 0 clamp(22px, 3vw, 30px);
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-outro__channels li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  font-size: 15px;
}

.page-disclaimer .usage-outro__key {
  flex: none;
  min-width: 42px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-disclaimer .usage-outro__channels .mono {
  color: var(--paper);
  font-size: 14px;
  word-break: break-all;
}

.page-disclaimer .usage-outro__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .usage-outro__note a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .usage-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-disclaimer .usage-outro__channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 32px;
  }
}

@media (max-width: 719px) {
  .page-disclaimer .usage-hero__slash {
    width: 90%;
    right: -30%;
    opacity: 0.7;
  }

  .page-disclaimer .usage-hero h1 {
    max-width: none;
  }

  .page-disclaimer .usage-section p {
    font-size: 16px;
    line-height: 1.8;
  }

  .page-disclaimer .usage-sample {
    padding: 16px 16px;
    font-size: 13px;
  }

  .page-disclaimer .usage-anchors__list a {
    padding: 7px 13px;
    font-size: 13px;
  }
}
<<<END>>>