.page-disclaimer {
  --u-narrow: 744px;
  --u-hero-wide: 1180px;
  --u-dash: rgba(143, 163, 184, .32);
  --u-dash-dark: rgba(5, 18, 42, .16);
  --u-text: rgba(244, 247, 244, .86);
  --u-text-soft: rgba(244, 247, 244, .72);
  --u-text-dark: rgba(5, 18, 42, .8);
  display: block;
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .crumb {
  padding-top: clamp(14px, 2.4vw, 26px);
  padding-bottom: clamp(10px, 1.6vw, 18px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(26px, 4.4vw, 52px);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -55%;
  width: 62vw;
  height: 62vw;
  max-width: 640px;
  max-height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 32%, rgba(23, 160, 106, .3), rgba(255, 107, 44, .16) 46%, transparent 68%);
  pointer-events: none;
}

.page-disclaimer .usage-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(20px, 3.6vw, 40px);
  align-items: center;
}

.page-disclaimer .usage-hero__title {
  margin: 10px 0 14px;
  font-size: clamp(30px, 6vw, 56px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-disclaimer .usage-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--u-text);
}

.page-disclaimer .usage-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-disclaimer .usage-hero__art {
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  border: 1px solid var(--line);
  margin: 0;
}

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

@media (min-width: 900px) {
  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(32px, 4vw, 56px);
  }
}

/* ---------- 要点摘要 ---------- */
.page-disclaimer .usage-brief {
  padding: clamp(26px, 4.6vw, 54px) 0;
}

.page-disclaimer .brief-card {
  background: var(--mist);
  color: var(--ink-900);
  border-radius: var(--r-xl);
  padding: clamp(20px, 3.4vw, 38px);
  box-shadow: var(--shadow-lift);
  border: 1px solid rgba(5, 18, 42, .08);
}

.page-disclaimer .brief-title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-disclaimer .brief-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
}

.page-disclaimer .brief-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  padding: 15px 0;
  border-top: 1px dashed var(--u-dash-dark);
}

.page-disclaimer .brief-item:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-disclaimer .brief-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--green-deep);
  line-height: 1.5;
}

.page-disclaimer .brief-body p {
  margin: 0;
}

.page-disclaimer .brief-head {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.6;
}

.page-disclaimer .brief-text {
  margin-top: 4px !important;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(5, 18, 42, .72) !important;
}

.page-disclaimer .brief-fold {
  margin-top: 18px;
  border-top: 1px solid rgba(5, 18, 42, .12);
  padding-top: 14px;
}

.page-disclaimer .brief-fold__summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--green-deep);
  list-style: none;
}

.page-disclaimer .brief-fold__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .brief-fold__summary::before {
  content: "＋ ";
  font-family: var(--font-mono);
}

.page-disclaimer .brief-fold[open] .brief-fold__summary::before {
  content: "－ ";
}

.page-disclaimer .brief-fold__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--r-md);
}

.page-disclaimer .brief-fold__body {
  margin-top: 12px;
}

.page-disclaimer .brief-fold__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(5, 18, 42, .74);
}

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

/* ---------- 长文主体 ---------- */
.page-disclaimer .usage-body {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-disclaimer .usage-body__inner {
  max-width: var(--u-narrow);
}

.page-disclaimer .clause {
  position: relative;
  padding: clamp(22px, 3.2vw, 32px) 0 clamp(24px, 3.4vw, 36px);
  border-top: 1px dashed var(--u-dash);
}

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

.page-disclaimer .clause__anchor {
  display: none;
}

.page-disclaimer .clause__title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-disclaimer .clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1;
  padding: 6px 11px;
  border-radius: var(--r-pill);
  color: var(--orange);
  background: rgba(255, 107, 44, .12);
  border: 1px solid rgba(255, 107, 44, .42);
}

.page-disclaimer .clause p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--u-text);
}

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

.page-disclaimer .clause__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--u-text-soft);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.page-disclaimer .inline-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .inline-link:hover {
  color: var(--green);
}

.page-disclaimer .inline-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 浅色反白区块 ---------- */
.page-disclaimer .clause--light {
  margin: clamp(6px, 1.6vw, 14px) 0;
  padding: clamp(20px, 3.2vw, 34px);
  border-top: 0;
  border-radius: var(--r-xl);
  background: linear-gradient(150deg, var(--mist) 0%, var(--mist-2) 100%);
  color: var(--ink-900);
}

.page-disclaimer .clause--light .clause__title {
  color: var(--ink-900);
}

.page-disclaimer .clause--light .clause__num {
  color: var(--green-deep);
  background: rgba(23, 160, 106, .14);
  border-color: rgba(14, 122, 80, .34);
}

.page-disclaimer .clause--light p {
  color: var(--u-text-dark);
}

.page-disclaimer .clause__list--dark li {
  color: rgba(5, 18, 42, .74);
}

.page-disclaimer .clause__list--dark li::before {
  background: var(--orange);
}

@media (min-width: 1000px) {
  .page-disclaimer .clause__anchor {
    display: block;
    position: absolute;
    left: -40px;
    top: clamp(24px, 3.4vw, 36px);
    font-family: var(--font-mono);
    font-size: 17px;
    line-height: 1;
    color: var(--cyan);
    text-decoration: none;
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }

  .page-disclaimer .clause:hover .clause__anchor,
  .page-disclaimer .clause:focus-within .clause__anchor {
    opacity: .85;
    transform: translateX(0);
  }

  .page-disclaimer .clause--light .clause__anchor--dark {
    color: var(--green-deep);
  }
}

/* ---------- 数据对照表 ---------- */
.page-disclaimer .usage-table__wrap {
  margin: 20px 0 4px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-disclaimer .usage-table__caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--lime);
}

.page-disclaimer .usage-table th,
.page-disclaimer .usage-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.66;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .usage-table thead th {
  background: var(--ink-700);
  color: var(--mist);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  white-space: nowrap;
}

.page-disclaimer .usage-table tbody th {
  color: var(--cyan);
  font-weight: 700;
  white-space: nowrap;
}

.page-disclaimer .usage-table tbody td {
  color: var(--u-text-soft);
}

.page-disclaimer .usage-table tbody tr:nth-child(even) {
  background: rgba(27, 58, 99, .34);
}

.page-disclaimer .usage-table tbody tr:last-child th,
.page-disclaimer .usage-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 联系信息 ---------- */
.page-disclaimer .usage-contact {
  display: grid;
  gap: 12px;
  margin: 4px 0 16px;
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
}

.page-disclaimer .usage-contact__item {
  display: grid;
  gap: 4px;
}

.page-disclaimer .usage-contact__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--lime);
}

.page-disclaimer .usage-contact__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.6;
  color: var(--sand);
  word-break: break-word;
}

/* ---------- 页尾动作 ---------- */
.page-disclaimer .usage-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px dashed var(--u-dash);
}

.page-disclaimer .usage-top-link {
  margin: 22px 0 0;
  font-size: 14px;
}

.page-disclaimer .usage-top-link a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .usage-top-link a:hover {
  color: var(--cyan);
}

.page-disclaimer .usage-top-link a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause__anchor,
  .page-disclaimer .inline-link,
  .page-disclaimer .usage-top-link a {
    transition: none;
  }
}

/* ---------- 窄屏收紧 ---------- */
@media (max-width: 560px) {
  .page-disclaimer .brief-item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px;
  }

  .page-disclaimer .brief-num {
    font-size: 14px;
  }

  .page-disclaimer .clause__list li,
  .page-disclaimer .clause p {
    font-size: 15.5px;
  }

  .page-disclaimer .usage-table th,
  .page-disclaimer .usage-table td {
    padding: 10px 12px;
  }

  .page-disclaimer .usage-contact__value {
    font-size: 14px;
  }
}
<<<END>>>