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

.page-disclaimer .usage-crumb {
  padding-top: clamp(14px, 3vw, 22px);
}

.page-disclaimer .usage-crumb .breadcrumb__link {
  color: var(--moss);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  margin-top: 12px;
  padding: clamp(28px, 7vw, 60px) 0 clamp(26px, 5vw, 48px);
  background: var(--ink);
  color: var(--paper);
  border-top: var(--bd);
  border-bottom: var(--bd);
  overflow: hidden;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(185, 198, 242, 0.16) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(185, 198, 242, 0.1) 0 1px, transparent 1px 64px);
}

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

.page-disclaimer .usage-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-disclaimer .usage-hero__title {
  margin: 0 0 18px;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 6.6vw, 54px);
  line-height: 1.09;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-disclaimer .usage-hero__lead {
  margin: 0;
  max-width: 38em;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.78;
  color: var(--warm);
}

.page-disclaimer .usage-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-hero__chip {
  padding: 6px 10px;
  border: 1px solid rgba(185, 198, 242, 0.45);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--mint);
}

.page-disclaimer .usage-hero__chip--signal {
  border-color: var(--orange);
  color: var(--orange);
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer .usage-banner {
  margin-top: clamp(22px, 4vw, 38px);
}

.page-disclaimer .usage-banner__frame {
  margin: 0;
  background: var(--paper);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
}

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

.page-disclaimer .usage-banner__frame .media-frame__label {
  padding: 8px 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--moss);
}

/* ---------- 主体布局 ---------- */
.page-disclaimer .usage-layout {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  padding: clamp(28px, 5vw, 58px) 0 clamp(32px, 5vw, 60px);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .usage-index {
  border-top: 3px solid var(--nav-blue);
  padding-top: 12px;
}

.page-disclaimer .usage-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-disclaimer .usage-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-index__link {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.5;
  color: var(--graphite);
  text-decoration: none;
  transition: color 160ms ease;
}

.page-disclaimer .usage-index__link:hover,
.page-disclaimer .usage-index__link:focus-visible {
  color: var(--nav-blue);
}

.page-disclaimer .usage-index__link:focus-visible {
  outline: 2px solid var(--nav-blue);
  outline-offset: 2px;
}

.page-disclaimer .usage-index__num {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clay);
}

.page-disclaimer .usage-index__foot {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--rock);
}

/* ---------- 条款 ---------- */
.page-disclaimer .clause {
  position: relative;
  padding: 22px 0 26px;
  border-top: var(--bd);
}

.page-disclaimer .clause:last-child {
  border-bottom: var(--bd);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--clay);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--graphite);
}

/* 要点条 */
.page-disclaimer .clause__bar {
  margin: 16px 0 18px;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
}

.page-disclaimer .clause__bar-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--graphite);
}

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

.page-disclaimer .clause__bar-summary:focus-visible {
  outline: 2px solid var(--nav-blue);
  outline-offset: 3px;
}

.page-disclaimer .clause__bar-summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--orange);
}

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

.page-disclaimer .clause__bar-body {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.72;
  color: var(--moss);
}

/* 正文 */
.page-disclaimer .clause__body {
  max-width: 36em;
  font-size: 17px;
  line-height: 1.78;
}

.page-disclaimer .clause__body p {
  margin: 0 0 14px;
  overflow-wrap: break-word;
}

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

.page-disclaimer .clause__body a {
  color: var(--nav-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .clause__body a:focus-visible {
  outline: 2px solid var(--nav-blue);
  outline-offset: 2px;
}

.page-disclaimer .clause__list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.7;
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 10px;
  height: 10px;
  background: var(--nav-blue);
}

.page-disclaimer .clause__list li:nth-child(2)::before {
  background: var(--mint);
}

.page-disclaimer .clause__list li:nth-child(3)::before {
  background: var(--clay);
}

/* ---------- 底部联系 ---------- */
.page-disclaimer .usage-help {
  position: relative;
  padding: clamp(34px, 6vw, 66px) 0 clamp(38px, 6vw, 70px);
  background: var(--ink);
  color: var(--paper);
  border-top: var(--bd);
}

.page-disclaimer .usage-help::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--nav-blue) 0 25%,
    var(--mint) 25% 50%,
    var(--orange) 50% 75%,
    var(--moss) 75% 100%
  );
}

.page-disclaimer .usage-help__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-disclaimer .usage-help__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.24;
  color: var(--paper);
}

.page-disclaimer .usage-help__lead {
  margin: 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.76;
  color: var(--warm);
}

.page-disclaimer .usage-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-disclaimer .usage-help__rows {
  margin: 0;
  border-top: 1px solid rgba(185, 198, 242, 0.4);
}

.page-disclaimer .usage-help__row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(185, 198, 242, 0.28);
}

.page-disclaimer .usage-help__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mint);
  padding-top: 2px;
}

.page-disclaimer .usage-help__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .usage-help__row {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .usage-index {
    position: sticky;
    top: 96px;
  }

  .page-disclaimer .clause {
    padding-left: 76px;
  }

  .page-disclaimer .clause__head {
    display: block;
  }

  .page-disclaimer .clause__num {
    position: absolute;
    left: 0;
    top: 24px;
    font-size: 24px;
    border-bottom: none;
  }

  .page-disclaimer .usage-help__grid {
    grid-template-columns: 1.15fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .usage-banner__frame img {
    max-height: 380px;
  }
}
<<<END>>>