/* ===== 使用说明页 ===== */

.page-disclaimer {
  padding-bottom: 72px;
}

.page-disclaimer .breadcrumbs {
  padding-top: 24px;
}

/* --- 首屏 --- */

.page-disclaimer .doc-hero {
  display: grid;
  gap: 26px;
  padding: 26px 0 40px;
}

.page-disclaimer .doc-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .doc-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(48px, 15vw, 116px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-disclaimer .doc-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist-72);
}

.page-disclaimer .doc-hero__lead strong {
  color: var(--mist);
  font-weight: 600;
}

.page-disclaimer .doc-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--mist-14);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* --- 条款索引 --- */

.page-disclaimer .doc-index {
  display: grid;
  gap: 14px;
  margin-bottom: 30px;
  padding: 20px;
  border: 1px solid var(--mist-14);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(18, 27, 54, 0.9), rgba(10, 16, 36, 0.72));
}

.page-disclaimer .doc-index__label {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist-52);
}

.page-disclaimer .doc-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--mist-14);
  border-radius: 999px;
  color: var(--mist-72);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-disclaimer .doc-index__link .num {
  font-size: 12px;
  color: var(--gold);
}

.page-disclaimer .doc-index__link:hover,
.page-disclaimer .doc-index__link:focus-visible {
  color: var(--mist);
  border-color: var(--cyan);
  background: var(--mist-08);
}

/* --- 条款通用 --- */

.page-disclaimer .clause {
  position: relative;
  margin-top: 22px;
  padding: 28px 22px;
  border-radius: var(--radius-lg);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-disclaimer .clause__no {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.1em;
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 6.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-disclaimer .clause__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.9;
}

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

.page-disclaimer .clause__list {
  display: grid;
  gap: 12px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.85;
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  opacity: 0.55;
}

/* --- 暖纸色条款 --- */

.page-disclaimer .clause--paper {
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-card);
}

.page-disclaimer .clause--paper::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, var(--red), var(--gold));
}

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

.page-disclaimer .clause--paper .clause__no {
  color: var(--red);
}

.page-disclaimer .clause--paper .clause__body p,
.page-disclaimer .clause--paper .clause__list li {
  color: rgba(18, 27, 54, 0.84);
}

.page-disclaimer .clause--paper .clause__list li::before {
  background: var(--red);
  opacity: 1;
}

.page-disclaimer .clause--paper .clause__body a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* --- 深墨色条款 --- */

.page-disclaimer .clause--night {
  overflow: hidden;
  border: 1px solid var(--mist-14);
  background: linear-gradient(135deg, rgba(18, 27, 54, 0.96), rgba(10, 16, 36, 0.92));
}

.page-disclaimer .clause--night::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), rgba(61, 240, 208, 0));
}

.page-disclaimer .clause--night .clause__title {
  color: var(--mist);
}

.page-disclaimer .clause--night .clause__no {
  color: var(--cyan);
}

.page-disclaimer .clause--night .clause__body p,
.page-disclaimer .clause--night .clause__list li {
  color: var(--mist-72);
}

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

/* --- 警示条款 --- */

.page-disclaimer .clause--alert {
  overflow: hidden;
  border: 1px solid rgba(255, 122, 69, 0.38);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(255, 122, 69, 0.16), rgba(255, 122, 69, 0) 62%),
    var(--ink);
}

.page-disclaimer .clause--alert .clause__no {
  color: var(--alert);
}

.page-disclaimer .clause--alert .clause__title {
  color: var(--mist);
}

.page-disclaimer .clause--alert .clause__body p,
.page-disclaimer .clause--alert .clause__list li {
  color: var(--mist-72);
}

.page-disclaimer .clause--alert .clause__list li::before {
  background: var(--alert);
  opacity: 1;
}

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

/* --- 三种常见情况的对照表 --- */

.page-disclaimer .triage {
  margin: 18px 0;
  border-top: 1px solid var(--ink-16);
}

.page-disclaimer .triage__item {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ink-16);
}

.page-disclaimer .triage__key {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-disclaimer .triage__key::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
}

.page-disclaimer .triage__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(18, 27, 54, 0.84);
}

/* --- 可展开条款 --- */

.page-disclaimer .fold {
  margin-top: 16px;
  border: 1px solid var(--ink-16);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.34);
}

.page-disclaimer .fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

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

.page-disclaimer .fold__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  color: currentColor;
}

.page-disclaimer .fold__sign::before,
.page-disclaimer .fold__sign::after {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: currentColor;
}

.page-disclaimer .fold__sign::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-disclaimer .fold__sign::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: transform 0.22s var(--ease);
}

.page-disclaimer .fold[open] .fold__sign::after {
  transform: scaleY(0);
}

.page-disclaimer .fold__body {
  padding: 0 16px 16px;
}

.page-disclaimer .fold__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(18, 27, 54, 0.84);
}

.page-disclaimer .clause--night .fold {
  border-color: var(--mist-14);
  background: var(--mist-08);
}

.page-disclaimer .clause--night .fold summary {
  color: var(--mist);
}

.page-disclaimer .clause--night .fold__body p {
  color: var(--mist-72);
}

/* --- 结尾提示 --- */

.page-disclaimer .doc-cta {
  display: grid;
  gap: 18px;
  margin-top: 26px;
  padding: 26px 22px;
  border: 1px solid var(--mist-14);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(61, 240, 208, 0.12), rgba(242, 193, 78, 0.08));
}

.page-disclaimer .doc-cta p {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-72);
}

.page-disclaimer .doc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* --- 平板与桌面 --- */

@media (min-width: 641px) {
  .page-disclaimer .clause {
    padding: 34px 32px;
  }

  .page-disclaimer .triage__item {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
    gap: 18px;
    align-items: start;
  }

  .page-disclaimer .triage__key {
    padding-top: 2px;
  }
}

@media (min-width: 901px) {
  .page-disclaimer {
    padding-bottom: 96px;
  }

  .page-disclaimer .breadcrumbs {
    padding-top: 34px;
  }

  .page-disclaimer .doc-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
    gap: 52px;
    padding: 40px 0 56px;
  }

  .page-disclaimer .doc-hero__lead {
    font-size: 16px;
  }

  .page-disclaimer .doc-index {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 22px;
    padding: 18px 22px;
    margin-bottom: 38px;
  }

  .page-disclaimer .clause {
    padding: 44px 46px;
    margin-top: 26px;
  }

  .page-disclaimer .clause__head {
    margin-bottom: 22px;
  }

  .page-disclaimer .clause__body p,
  .page-disclaimer .clause__list li {
    font-size: 16px;
  }

  .page-disclaimer .clause__list li {
    font-size: 15px;
  }

  .page-disclaimer .triage {
    margin: 22px 0;
  }

  .page-disclaimer .triage__item {
    padding: 18px 0;
  }

  .page-disclaimer .fold summary {
    padding: 16px 20px;
  }

  .page-disclaimer .fold__body {
    padding: 0 20px 20px;
  }

  .page-disclaimer .doc-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 34px 38px;
  }
}

/* --- 动效降级 --- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-index__link,
  .page-disclaimer .fold__sign::after {
    transition: none;
  }
}
<<<END>>>