.page-disclaimer {
  --u-cut: 14px;
  --u-body: #C9D8E3;
  position: relative;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding: 22px 0 0;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(52, 230, 210, 0.10), transparent 62%),
    radial-gradient(90% 70% at 96% 8%, rgba(255, 122, 61, 0.08), transparent 70%),
    linear-gradient(180deg, #071523 0%, var(--ink) 72%);
  overflow: hidden;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 166, 184, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 166, 184, 0.06) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  pointer-events: none;
}

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

.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  font-size: 13px;
  color: var(--slate);
}

.page-disclaimer .breadcrumb-list li {
  display: inline-flex;
  align-items: center;
}

.page-disclaimer .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(143, 166, 184, 0.5);
}

.page-disclaimer .breadcrumb-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 230, 210, 0.3);
}

.page-disclaimer .breadcrumb-list a:hover {
  color: var(--orange);
  border-color: rgba(255, 122, 61, 0.45);
}

.page-disclaimer .hero-grid {
  display: grid;
  gap: 26px;
}

.page-disclaimer .hero-kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-disclaimer .hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(1.85rem, 5.4vw, 3.3rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-disclaimer .hero-lede {
  margin: 0;
  max-width: 620px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--u-body);
}

.page-disclaimer .hero-meta {
  display: grid;
  gap: 14px;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--gold);
}

.page-disclaimer .meta-line {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
}

.page-disclaimer .meta-key {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-disclaimer .meta-val {
  font-size: 14px;
  line-height: 1.55;
  color: var(--mist);
}

.page-disclaimer .usage-banner {
  margin: 34px 0 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top-color: rgba(52, 230, 210, 0.32);
  background: var(--ink-2);
}

.page-disclaimer .usage-banner img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.page-disclaimer .usage-banner .media-caption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
  border-top: 1px solid var(--line);
  background: rgba(6, 18, 31, 0.72);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .clause-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 34px 0 0;
}

.page-disclaimer .clause-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 16px 8px 12px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background 140ms var(--ease), border-color 140ms var(--ease), color 140ms var(--ease);
}

.page-disclaimer .clause-jump a .mono {
  font-size: 11px;
  color: var(--cyan);
}

.page-disclaimer .clause-jump a:hover {
  background: var(--deep-teal);
  border-color: var(--cyan-line);
  color: #FFFFFF;
}

/* ---------- 主栏 + 侧栏 ---------- */
.page-disclaimer .usage-layout {
  display: grid;
  gap: 30px;
  margin-top: 36px;
}

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

.page-disclaimer .clause {
  padding: 26px 0 30px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 108px;
}

.page-disclaimer .clause:first-child {
  padding-top: 4px;
  border-top: 0;
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .clause-num {
  flex: 0 0 auto;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
  text-decoration: none;
  transition: color 140ms var(--ease);
}

.page-disclaimer .clause-num:hover {
  color: var(--orange);
}

.page-disclaimer .clause-title {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  line-height: 1.35;
  font-weight: 700;
  color: var(--mist);
}

.page-disclaimer .clause p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--u-body);
}

.page-disclaimer .clause a:not(.clause-num) {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 230, 210, 0.35);
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-disclaimer .clause a:not(.clause-num):hover {
  color: var(--orange);
  border-color: rgba(255, 122, 61, 0.5);
}

.page-disclaimer .clause-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 34em;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--u-body);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-disclaimer .clause-list strong {
  margin-right: 6px;
  color: var(--mist);
  font-weight: 700;
}

.page-disclaimer .mark {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  border-radius: 2px;
  vertical-align: 1px;
}

.page-disclaimer .mark--ok {
  background: rgba(52, 230, 210, 0.14);
  color: var(--cyan);
}

.page-disclaimer .mark--ask {
  background: rgba(255, 122, 61, 0.16);
  color: var(--orange);
}

.page-disclaimer .clause .clause-note {
  margin: 16px 0 0;
  padding-left: 14px;
  max-width: 34em;
  border-left: 2px solid var(--steel);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 下载步骤与错误对照 ---------- */
.page-disclaimer .step-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 34em;
}

.page-disclaimer .step-list li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--u-body);
}

.page-disclaimer .step-idx {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 0.22em;
  font-size: 11px;
  color: var(--ink);
  background: var(--cyan);
}

.page-disclaimer .err-list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 16px 18px;
  max-width: 34em;
  background: var(--ink-2);
  border-left: 2px solid var(--amber);
}

.page-disclaimer .err-item dt {
  margin-bottom: 3px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--mist);
}

.page-disclaimer .err-item dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 联络信息 ---------- */
.page-disclaimer .contact-board {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 16px 18px;
  max-width: 34em;
  background: linear-gradient(90deg, rgba(22, 50, 74, 0.85), rgba(12, 31, 49, 0.85));
  border-left: 2px solid var(--gold);
}

.page-disclaimer .contact-row {
  display: grid;
  gap: 3px;
  margin: 0;
}

.page-disclaimer .contact-row .contact-key {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-disclaimer .contact-row .contact-val {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

/* ---------- 侧栏摘要 ---------- */
.page-disclaimer .usage-aside {
  position: relative;
  min-width: 0;
}

.page-disclaimer .aside-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--slate);
}

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

.page-disclaimer .aside-list a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 14px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--u-body);
  text-decoration: none;
  background: var(--ink-2);
  border-left: 2px solid var(--gold);
  transition: background 140ms var(--ease), border-color 140ms var(--ease);
}

.page-disclaimer .aside-list a:hover {
  background: var(--steel);
  border-left-color: var(--orange);
}

.page-disclaimer .aside-list .mono {
  font-size: 11px;
  color: var(--gold);
  padding-top: 2px;
}

/* ---------- 底部流程 ---------- */
.page-disclaimer .usage-flow {
  margin-top: 52px;
  padding: 42px 0 64px;
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-flow h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.25;
  font-weight: 800;
  color: var(--mist);
}

.page-disclaimer .flow-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-disclaimer .flow-step {
  position: relative;
  padding-left: 18px;
  border-left: 2px solid rgba(52, 230, 210, 0.4);
}

.page-disclaimer .flow-idx {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-disclaimer .flow-step h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--mist);
}

.page-disclaimer .flow-step p {
  margin: 0;
  max-width: 30em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .usage-hero {
    padding-top: 28px;
  }

  .page-disclaimer .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-disclaimer .usage-banner img {
    height: auto;
  }

  .page-disclaimer .clause-jump {
    margin-top: 44px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
    margin-top: 48px;
    align-items: start;
  }

  .page-disclaimer .usage-aside {
    position: sticky;
    top: 108px;
  }

  .page-disclaimer .clause {
    padding: 32px 0 36px;
  }

  .page-disclaimer .clause p,
  .page-disclaimer .clause-list,
  .page-disclaimer .step-list,
  .page-disclaimer .err-list,
  .page-disclaimer .contact-board {
    font-size: 16px;
  }
}

@media (min-width: 820px) {
  .page-disclaimer .flow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-top: 30px;
  }

  .page-disclaimer .flow-step {
    padding: 0 30px;
    border-left: 0;
  }

  .page-disclaimer .flow-step:first-child {
    padding-left: 0;
  }

  .page-disclaimer .flow-step + .flow-step::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    height: calc(100% - 8px);
    width: 1px;
    background: var(--line-strong);
    transform: skewX(-12deg);
    transform-origin: center;
  }

  .page-disclaimer .flow-step + .flow-step::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 10px;
    height: 1px;
    background: var(--cyan);
  }

  .page-disclaimer .usage-flow {
    padding: 52px 0 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-jump a,
  .page-disclaimer .aside-list a,
  .page-disclaimer .clause-num,
  .page-disclaimer .clause a:not(.clause-num) {
    transition: none;
  }
}
<<<END>>>