.page-disclaimer {
  --u-line: rgba(155, 220, 232, 0.14);
  --u-line-strong: rgba(155, 220, 232, 0.34);
  --u-gap: clamp(34px, 5vw, 62px);
  background: var(--ink-deep);
  color: var(--white);
  font-family: var(--font-display);
  overflow-x: clip;
}

.page-disclaimer .container {
  width: 100%;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-disclaimer a:focus-visible,
.page-disclaimer button:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.page-disclaimer .usage-crumb-wrap {
  padding-top: clamp(16px, 2.6vw, 26px);
}

.page-disclaimer .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-disclaimer .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(143, 169, 157, 0.6);
}

.page-disclaimer .breadcrumb-link {
  color: var(--ice);
  text-decoration: none;
}

.page-disclaimer .breadcrumb-link:hover {
  color: var(--yellow);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 36px) 0 clamp(38px, 6vw, 76px);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  inset: 8% -14% -10% -14%;
  background: linear-gradient(118deg, var(--green-3) 0%, rgba(23, 59, 45, 0.35) 48%, rgba(8, 26, 19, 0) 78%);
  clip-path: polygon(0 24%, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  top: 12%;
  width: 210px;
  height: 210px;
  border: 1px solid var(--u-line-strong);
  border-radius: 50%;
  z-index: 0;
}

.page-disclaimer .usage-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}

.page-disclaimer .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-disclaimer h1 {
  margin: 14px 0 0;
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--white);
  max-width: 15ch;
  min-width: 0;
}

.page-disclaimer .usage-lead {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: rgba(243, 247, 242, 0.78);
}

.page-disclaimer .usage-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-disclaimer .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .btn--primary {
  background: var(--yellow);
  color: #081a13;
}

.page-disclaimer .btn--primary:hover {
  transform: translateY(-4px);
  background: #f0ff77;
}

.page-disclaimer .btn--ghost {
  background: transparent;
  color: var(--ice);
  border-color: var(--line-strong);
}

.page-disclaimer .btn--ghost:hover {
  transform: translateY(-4px);
  border-color: var(--yellow);
  color: var(--yellow);
}

.page-disclaimer .usage-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--u-line);
}

.page-disclaimer .usage-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--u-line);
  font-size: 14px;
}

.page-disclaimer .usage-facts .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-disclaimer .usage-facts .v {
  color: var(--white);
}

/* ---------- 章节 ---------- */
.page-disclaimer .usage-section {
  padding: var(--u-gap) 0;
  scroll-margin-top: 84px;
}

.page-disclaimer .usage-band {
  background: linear-gradient(180deg, var(--green-3) 0%, rgba(8, 26, 19, 0.9) 100%);
  border-top: 1px solid var(--u-line);
  border-bottom: 1px solid var(--u-line);
}

.page-disclaimer .usage-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-disclaimer .section-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--yellow);
}

.page-disclaimer .usage-head h2 {
  margin: 0;
  font-size: clamp(23px, 4.2vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 22ch;
}

.page-disclaimer .usage-head p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 247, 242, 0.72);
}

/* ---------- 使用范围卡片 ---------- */
.page-disclaimer .usage-cards {
  display: grid;
  gap: 16px;
}

.page-disclaimer .usage-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 24px 22px;
  border: 1px solid var(--u-line);
  border-radius: var(--radius-lg);
  background: var(--ink-char);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.page-disclaimer .usage-card:hover,
.page-disclaimer .usage-card:focus-within {
  transform: translateY(-6px);
  border-color: var(--u-line-strong);
  box-shadow: var(--shadow-lift);
}

.page-disclaimer .usage-card .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-disclaimer .usage-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  color: var(--white);
}

.page-disclaimer .usage-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 流程线 ---------- */
.page-disclaimer .usage-flow {
  position: relative;
  display: grid;
  gap: 10px;
  margin: 0 0 clamp(22px, 4vw, 36px);
  padding: 0;
}

.page-disclaimer .flow-node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border: 1px solid var(--u-line);
  border-radius: var(--radius-pill);
  background: var(--ink-char);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  z-index: 1;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-disclaimer .flow-node:hover,
.page-disclaimer .flow-node:focus-visible {
  transform: translateY(-4px);
  border-color: var(--yellow);
  background: rgba(230, 255, 59, 0.08);
}

.page-disclaimer .flow-node .dot {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

.page-disclaimer .flow-node .arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--ice);
}

/* ---------- 步骤卡片 ---------- */
.page-disclaimer .usage-steps {
  display: grid;
  gap: 16px;
}

.page-disclaimer .step-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 26px 22px 22px;
  border: 1px solid var(--u-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(168deg, var(--ink-char) 0%, var(--green-3) 100%);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-disclaimer .step-card:hover,
.page-disclaimer .step-card:focus-within {
  transform: translateY(-6px);
  border-color: var(--u-line-strong);
  box-shadow: var(--shadow-lift);
}

.page-disclaimer .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--yellow);
}

.page-disclaimer .step-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  color: var(--white);
}

.page-disclaimer .step-card > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 247, 242, 0.8);
}

.page-disclaimer .step-note {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--u-line);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
  opacity: 0.82;
  transition: opacity 0.22s ease, color 0.22s ease;
}

.page-disclaimer .step-card:hover .step-note,
.page-disclaimer .step-card:focus-within .step-note {
  opacity: 1;
  color: var(--ice);
}

/* ---------- 设备与兼容 ---------- */
.page-disclaimer .usage-device {
  display: grid;
  gap: clamp(20px, 4vw, 38px);
  align-items: center;
}

.page-disclaimer .usage-figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--u-line);
  background: var(--green-3);
}

.page-disclaimer .usage-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-disclaimer .usage-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: rgba(8, 26, 19, 0.86);
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ice);
}

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

.page-disclaimer .device-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--u-line);
  border-radius: var(--radius-md);
  background: var(--ink-char);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-disclaimer .device-item:hover {
  border-color: var(--u-line-strong);
  transform: translateY(-4px);
}

.page-disclaimer .device-item svg {
  width: 26px;
  height: 26px;
  color: var(--ice);
}

.page-disclaimer .device-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.4;
  color: var(--white);
}

.page-disclaimer .device-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 更新节奏 ---------- */
.page-disclaimer .usage-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 68ch;
}

.page-disclaimer .usage-timeline li {
  position: relative;
  padding: 0 0 24px 26px;
  border-left: 1px solid var(--u-line);
}

.page-disclaimer .usage-timeline li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-disclaimer .usage-timeline li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 4px rgba(230, 255, 59, 0.14);
}

.page-disclaimer .usage-timeline li:nth-child(3)::before {
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(255, 59, 48, 0.16);
}

.page-disclaimer .usage-timeline .t-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ice);
}

.page-disclaimer .usage-timeline h3 {
  margin: 6px 0 6px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-disclaimer .usage-timeline p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 联系与备案 ---------- */
.page-disclaimer .usage-contact {
  display: grid;
  gap: 16px;
}

.page-disclaimer .usage-panel {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--u-line);
  border-radius: var(--radius-lg);
  background: var(--ink-char);
}

.page-disclaimer .usage-panel--legal {
  background: linear-gradient(165deg, var(--red-deep) 0%, var(--ink-char) 68%);
  border-color: rgba(255, 59, 48, 0.28);
}

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

.page-disclaimer .contact-list {
  display: grid;
  border-top: 1px solid var(--u-line);
}

.page-disclaimer .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--u-line);
}

.page-disclaimer .contact-key {
  flex: 0 0 auto;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ice);
}

.page-disclaimer .contact-value {
  flex: 1 1 12ch;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-disclaimer .copy-btn {
  flex: 0 0 auto;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--u-line-strong);
  background: transparent;
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-disclaimer .copy-btn:hover {
  color: var(--yellow);
  border-color: var(--yellow);
}

.page-disclaimer .copy-btn[data-copied="true"] {
  color: var(--yellow);
  border-color: var(--yellow);
  background: rgba(230, 255, 59, 0.1);
}

.page-disclaimer .panel-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-disclaimer .usage-tip {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(230, 255, 59, 0.3);
  background: rgba(230, 255, 59, 0.07);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--white);
}

.page-disclaimer .tip-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--yellow);
}

.page-disclaimer .legal-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  letter-spacing: 0.04em;
  color: var(--white);
  word-break: break-word;
}

.page-disclaimer .legal-meta {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice);
}

.page-disclaimer .usage-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-disclaimer .usage-links .btn {
  padding: 9px 16px;
  font-size: 13px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .usage-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-disclaimer .usage-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-disclaimer .usage-flow::after {
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    top: 50%;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--u-line-strong) 0 8px, transparent 8px 18px);
    z-index: 0;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-disclaimer .usage-hero-side {
    padding-bottom: 10px;
  }

  .page-disclaimer .usage-device {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-disclaimer .usage-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-disclaimer .usage-cards,
  .page-disclaimer .usage-steps {
    gap: 20px;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .usage-head {
    max-width: 70ch;
  }

  .page-disclaimer .usage-timeline li {
    padding-bottom: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .btn,
  .page-disclaimer .usage-card,
  .page-disclaimer .step-card,
  .page-disclaimer .flow-node,
  .page-disclaimer .device-item,
  .page-disclaimer .step-note {
    transition: none;
  }

  .page-disclaimer .btn:hover,
  .page-disclaimer .usage-card:hover,
  .page-disclaimer .step-card:hover,
  .page-disclaimer .flow-node:hover,
  .page-disclaimer .device-item:hover {
    transform: none;
  }
}
<<<END>>>