/* ===== 使用说明页 · 页面专属样式 ===== */
.page-disclaimer {
  --dis-num-w: 152px;
  --dis-line: 2px solid var(--ink-700);
  padding-bottom: 56px;
}

/* --- 首屏 --- */
.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 100%);
  border-bottom: var(--dis-line);
  padding: 34px 0 44px;
}

.page-disclaimer .disc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(53, 225, 214, .055) 0 1px, transparent 1px 104px),
    repeating-linear-gradient(0deg, rgba(169, 182, 201, .04) 0 1px, transparent 1px 104px);
  pointer-events: none;
}

.page-disclaimer .disc-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(255, 106, 43, .2) 0%, transparent 68%);
  pointer-events: none;
}

.page-disclaimer .disc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disc-hero__kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--pulse-cyan);
}

.page-disclaimer .disc-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(42px, 9vw, 104px);
  line-height: .94;
  letter-spacing: -.02em;
  color: var(--warm-white);
}

.page-disclaimer .disc-hero__title em {
  font-style: normal;
  font-weight: 700;
  color: var(--pulse-orange);
}

.page-disclaimer .disc-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--mist-blue);
}

/* --- 条款目录 --- */
.page-disclaimer .disc-index {
  margin: 40px 0 0;
  border: var(--dis-line);
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .disc-index__eyebrow {
  margin: 0;
  padding: 13px 18px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--pulse-cyan);
  background: var(--ink-900);
  border-bottom: var(--dis-line);
}

.page-disclaimer .disc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
}

.page-disclaimer .disc-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  background: var(--ink-800);
  color: var(--warm-white);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: background 160ms var(--ease), transform 160ms var(--ease);
}

.page-disclaimer .disc-index__link:hover,
.page-disclaimer .disc-index__link:focus-visible {
  background: var(--ink-700);
  transform: translateX(4px);
  outline: 2px solid var(--pulse-cyan);
  outline-offset: -2px;
}

.page-disclaimer .disc-index__num {
  flex: none;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--pulse-orange);
}

/* --- 顶部条纹 --- */
.page-disclaimer .disc-band {
  margin: 34px 0 0;
  border: var(--dis-line);
  background: var(--ink-800);
}

.page-disclaimer .disc-band .media__frame {
  margin: 0;
  line-height: 0;
}

.page-disclaimer .disc-band .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* --- 条款本体 --- */
.page-disclaimer .disc-clauses {
  margin: 28px 0 0;
}

.page-disclaimer .disc-clause {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0 0 20px;
  border: var(--dis-line);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
}

.page-disclaimer .disc-clause__num {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  background: var(--ink-900);
  border-bottom: var(--dis-line);
}

.page-disclaimer .disc-clause__num-val {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--pulse-orange);
}

.page-disclaimer .disc-clause__num-label {
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mist-blue);
}

.page-disclaimer .disc-clause__body {
  padding: 22px 18px 24px;
  overflow-wrap: break-word;
}

.page-disclaimer .disc-clause__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--warm-white);
}

.page-disclaimer .disc-clause__title::before {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin-bottom: 14px;
  background: var(--pulse-orange);
}

.page-disclaimer .disc-clause__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist-blue);
}

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

.page-disclaimer .disc-inline {
  color: var(--pulse-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-deep);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-disclaimer .disc-inline:hover,
.page-disclaimer .disc-inline:focus-visible {
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
  outline: 2px solid var(--pulse-cyan);
  outline-offset: 3px;
}

/* --- 条目列表 --- */
.page-disclaimer .disc-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding: 12px 14px 12px 40px;
  background: var(--ink-900);
  border-left: 2px solid var(--ink-700);
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-blue);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 20px;
  width: 7px;
  height: 7px;
  background: var(--pulse-cyan);
  transform: rotate(45deg);
}

.page-disclaimer .disc-list strong {
  color: var(--warm-white);
  font-weight: 700;
}

/* --- 引用格式块 --- */
.page-disclaimer .disc-quote {
  margin: 0 0 16px;
  padding: 16px 18px;
  border: 2px solid var(--cyan-deep);
  background:
    linear-gradient(135deg, rgba(14, 140, 136, .18) 0%, transparent 72%),
    var(--ink-900);
}

.page-disclaimer .disc-clause__body .disc-quote__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--pulse-cyan);
}

.page-disclaimer .disc-clause__body .disc-quote__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--warm-white);
  word-break: break-word;
}

/* --- 返回目录 --- */
.page-disclaimer .disc-back {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--pulse-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-disclaimer .disc-back:hover,
.page-disclaimer .disc-back:focus-visible {
  color: var(--orange-soft);
  border-bottom-color: currentColor;
  outline: 2px solid var(--pulse-cyan);
  outline-offset: 3px;
}

/* --- 桌面端：编号列固定，正文右展 --- */
@media (min-width: 880px) {
  .page-disclaimer .disc-hero {
    padding: 56px 0 72px;
  }

  .page-disclaimer .disc-index {
    margin-top: 52px;
  }

  .page-disclaimer .disc-index__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-disclaimer .disc-band {
    margin-top: 40px;
  }

  .page-disclaimer .disc-clauses {
    margin-top: 34px;
  }

  .page-disclaimer .disc-clause {
    grid-template-columns: var(--dis-num-w) 1fr;
    margin-bottom: 24px;
  }

  .page-disclaimer .disc-clause__num {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 34px 22px 34px 26px;
    border-bottom: 0;
    border-right: var(--dis-line);
  }

  .page-disclaimer .disc-clause__num-val {
    font-size: 46px;
  }

  .page-disclaimer .disc-clause__num-label {
    writing-mode: vertical-rl;
    letter-spacing: .34em;
    color: var(--slate-blue);
  }

  .page-disclaimer .disc-clause__body {
    padding: 34px 42px 38px;
  }

  .page-disclaimer .disc-clause__body p {
    font-size: 16.5px;
    max-width: 72ch;
  }

  .page-disclaimer .disc-list li {
    max-width: 74ch;
  }
}

/* --- 降低动效偏好 --- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index__link,
  .page-disclaimer .disc-back,
  .page-disclaimer .disc-inline {
    transition: none;
  }

  .page-disclaimer .disc-index__link:hover,
  .page-disclaimer .disc-index__link:focus-visible {
    transform: none;
  }
}