.page-disclaimer {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-disclaimer a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, .35);
}

.page-disclaimer a:hover,
.page-disclaimer a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 页头 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) var(--gutter) clamp(28px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(45, 226, 230, .12), transparent 62%),
    linear-gradient(180deg, var(--ink-2), var(--ink) 72%);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: .35;
  pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
}

.page-disclaimer .usage-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  margin-bottom: 18px;
}

.page-disclaimer .breadcrumb a {
  color: var(--mist);
  border-bottom-color: transparent;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--cyan);
}

.page-disclaimer .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-disclaimer h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.9rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
  color: var(--paper);
  max-width: 22ch;
}

.page-disclaimer .usage-lede {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--mist);
  margin: 0 0 24px;
  max-width: 62ch;
}

.page-disclaimer .usage-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px dashed var(--line);
  padding-top: 18px;
}

.page-disclaimer .usage-meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-disclaimer .usage-meta-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--orange);
  border: 1px solid rgba(255, 122, 61, .38);
  padding: 2px 8px;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  flex: none;
}

.page-disclaimer .usage-hero-media {
  position: relative;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  background: var(--ink-2);
}

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

/* ---------- 版面骨架 ---------- */
.page-disclaimer .usage-layout {
  padding: clamp(26px, 5vw, 60px) var(--gutter) clamp(40px, 7vw, 88px);
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-disclaimer .usage-aside {
  min-width: 0;
}

.page-disclaimer .usage-toc {
  border: 1px solid var(--line);
  background: var(--panel-bg);
  padding: 16px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-disclaimer .toc-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cyan);
  margin: 0 0 12px;
  text-transform: uppercase;
}

.page-disclaimer .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 4px;
}

.page-disclaimer .toc-list li {
  flex: 0 0 auto;
}

.page-disclaimer .toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--mist);
  border: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  white-space: nowrap;
  background: rgba(6, 20, 35, .6);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  color: var(--paper);
  border-color: var(--cyan);
  background: rgba(45, 226, 230, .08);
}

.page-disclaimer .toc-link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-disclaimer .toc-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  opacity: .8;
}

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

/* ---------- 条款 ---------- */
.page-disclaimer .clause {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-bottom: 4px;
}

.page-disclaimer .clause + .clause {
  margin-top: 4px;
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}

.page-disclaimer .clause-num {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
  background: var(--ink-2);
  border: 1px solid var(--grid);
  padding: 5px 10px;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-disclaimer .clause-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.28rem, 3.2vw, 1.85rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--paper);
}

.page-disclaimer .clause-lede {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
  margin: 0 0 18px;
  max-width: 68ch;
}

.page-disclaimer .clause-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 68ch;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .clause-list--warm li::before {
  background: var(--orange);
}

.page-disclaimer .clause-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.page-disclaimer .clause-col {
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: rgba(10, 34, 56, .5);
  padding: 16px 18px 4px;
  min-width: 0;
}

.page-disclaimer .clause-col:last-child {
  border-top-color: var(--orange);
}

.page-disclaimer .col-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 12px;
}

/* ---------- 四步带 ---------- */
.page-disclaimer .step-band {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-disclaimer .step {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(10, 34, 56, .86), rgba(6, 20, 35, .92));
  padding: 16px 16px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  min-width: 0;
}

.page-disclaimer .step-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
  opacity: .9;
  margin-bottom: 10px;
}

.page-disclaimer .step-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: .01em;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-disclaimer .step-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
  margin: 0;
}

/* ---------- 分辨率标签 ---------- */
.page-disclaimer .chip-row {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
}

.page-disclaimer .chip {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
  border: 1px solid rgba(45, 226, 230, .45);
  background: rgba(45, 226, 230, .07);
  padding: 5px 11px;
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}

/* ---------- 提示框 ---------- */
.page-disclaimer .callout {
  position: relative;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(10, 34, 56, .72);
  padding: 16px 18px;
  margin: 0 0 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  max-width: 70ch;
}

.page-disclaimer .callout--warm {
  border-left-color: var(--orange);
  background: rgba(255, 122, 61, .07);
}

.page-disclaimer .callout-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--paper);
  margin: 0 0 8px;
}

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

.page-disclaimer .callout p + p {
  margin-top: 6px;
}

.page-disclaimer .callout--warm .callout-title {
  color: var(--orange);
}

/* ---------- 折叠条款 ---------- */
.page-disclaimer .fold {
  border: 1px solid var(--line);
  background: rgba(2, 10, 18, .5);
  margin: 0 0 18px;
  max-width: 70ch;
}

.page-disclaimer .fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
  list-style: none;
}

.page-disclaimer .fold summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  flex: none;
}

.page-disclaimer .fold[open] summary::after {
  content: "–";
}

.page-disclaimer .fold[open] summary {
  border-bottom: 1px solid var(--line-soft);
  color: var(--cyan);
}

.page-disclaimer .fold-body {
  padding: 14px 16px 16px;
}

.page-disclaimer .fold-body p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  margin: 0;
}

/* ---------- 斜线分隔 ---------- */
.page-disclaimer .slash-rule {
  height: 1px;
  margin: clamp(26px, 4vw, 44px) 0;
  background: linear-gradient(90deg, var(--cyan) 0 56px, var(--grid) 56px 100%);
  transform: skewX(-24deg);
  transform-origin: left center;
  opacity: .85;
}

/* ---------- 结尾面板 ---------- */
.page-disclaimer .end-panel {
  border: 1px solid var(--grid);
  border-top: 3px solid var(--cyan);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(45, 226, 230, .14), transparent 60%),
    var(--ink-2);
  padding: clamp(18px, 3.4vw, 28px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-disclaimer .end-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-disclaimer .end-desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
  margin: 0 0 18px;
  max-width: 64ch;
}

.page-disclaimer .end-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .end-links .btn {
  border-bottom: none;
  text-align: center;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .usage-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-disclaimer .usage-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-disclaimer .usage-meta li {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .page-disclaimer .usage-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-disclaimer .usage-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-disclaimer .toc-list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
  }

  .page-disclaimer .toc-link {
    display: flex;
    width: 100%;
    white-space: normal;
    border-color: transparent;
    border-bottom: 1px solid var(--line-soft);
    background: transparent;
    padding: 9px 10px;
  }

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

  .page-disclaimer .step-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }

  .page-disclaimer .usage-main {
    padding-right: 8px;
  }
}

@media (min-width: 1320px) {
  .page-disclaimer .usage-hero-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-disclaimer .usage-layout {
    grid-template-columns: 264px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-link,
  .page-disclaimer .fold summary {
    transition: none;
  }

  .page-disclaimer .slash-rule {
    transform: none;
  }
}
<<<END>>>