/* ===== 使用说明页 · page-disclaimer ===== */
.page-disclaimer {
  --disc-index-w: 188px;
  --disc-gap: clamp(24px, 4vw, 56px);
  --disc-rule: rgba(143, 166, 200, .16);
}

/* --- 首屏：叙事 + 通栏状态视觉 --- */
.page-disclaimer .disc-hero {
  padding-top: clamp(6px, 2vw, 18px);
}

.page-disclaimer .disc-hero__text {
  max-width: 66ch;
}

.page-disclaimer .disc-title {
  margin: .28em 0 .42em;
  font-family: var(--font-title);
  font-size: clamp(34px, 7.4vw, 64px);
  line-height: 1.04;
  letter-spacing: .035em;
  color: var(--paper-050);
}

.page-disclaimer .disc-lead {
  margin: 0;
  max-width: 60ch;
  color: var(--steel-300);
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.85;
}

.page-disclaimer .disc-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--disc-rule);
  list-style: none;
}

.page-disclaimer .disc-facts__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--steel-300);
}

.page-disclaimer .disc-facts__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--signal-cyan);
}

.page-disclaimer .disc-hero__media {
  margin: clamp(28px, 5vw, 54px) 0 0;
}

.page-disclaimer .disc-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- 条款主体：索引栏 + 条款栏 --- */
.page-disclaimer .disc-body {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-disclaimer .disc-index {
  padding-top: 16px;
  border-top: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--signal-cyan);
}

.page-disclaimer .disc-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-index__list a {
  display: inline-block;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--steel-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .disc-index__list a:hover,
.page-disclaimer .disc-index__list a:focus-visible {
  color: var(--paper-050);
  border-bottom-color: var(--line);
}

.page-disclaimer .disc-index__list a.is-active {
  color: var(--signal-cyan);
  border-bottom-color: var(--line-cyan);
}

.page-disclaimer .disc-clauses {
  min-width: 0;
}

.page-disclaimer .disc-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 28px;
  padding: clamp(24px, 3.6vw, 38px) 0;
  border-top: 1px solid var(--disc-rule);
  scroll-margin-top: 112px;
}

.page-disclaimer .disc-clause:last-child {
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-clause__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--signal-cyan);
}

.page-disclaimer .disc-clause__body {
  min-width: 0;
}

.page-disclaimer .disc-clause__title {
  margin: 0 0 .6em;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.6vw, 23px);
  line-height: 1.35;
  letter-spacing: .025em;
  color: var(--paper-050);
}

.page-disclaimer .disc-clause__body > p {
  max-width: 68ch;
  margin: 0 0 .85em;
  color: var(--steel-300);
  font-size: 15.5px;
  line-height: 1.8;
}

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

.page-disclaimer .disc-list {
  max-width: 68ch;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .disc-list li {
  position: relative;
  margin-top: .55em;
  padding-left: 20px;
  color: var(--steel-300);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .76em;
  width: 7px;
  height: 1px;
  background: var(--steel-500);
}

.page-disclaimer .disc-link {
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: border-color .2s var(--ease);
}

.page-disclaimer .disc-link:hover,
.page-disclaimer .disc-link:focus-visible {
  border-bottom-color: var(--signal-cyan);
}

/* --- 备案条块：全页唯一橙色标记 --- */
.page-disclaimer .disc-filing {
  margin: 18px 0 20px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--pulse-orange);
  border-radius: var(--radius-m);
  background: var(--space-800);
}

.page-disclaimer .disc-filing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px 32px;
}

.page-disclaimer .disc-filing__cell {
  min-width: 0;
}

.page-disclaimer .disc-filing__key {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--steel-300);
}

.page-disclaimer .disc-filing__val {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(14.5px, 2.2vw, 18px);
  letter-spacing: .06em;
  line-height: 1.5;
  color: var(--paper-050);
  word-break: break-word;
}

.page-disclaimer .disc-filing__val--region {
  font-family: var(--font-title);
  letter-spacing: .05em;
}

/* --- 响应式 --- */
@media (min-width: 640px) {
  .page-disclaimer .disc-filing__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-disclaimer .disc-clause {
    grid-template-columns: 62px minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .disc-clause__no {
    padding-top: .34em;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: var(--disc-index-w) minmax(0, 1fr);
    gap: var(--disc-gap);
  }

  .page-disclaimer .disc-index {
    position: sticky;
    top: 108px;
  }

  .page-disclaimer .disc-index__list {
    display: block;
  }

  .page-disclaimer .disc-index__list li + li {
    margin-top: 11px;
  }

  .page-disclaimer .disc-index__list a {
    font-size: 13px;
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .disc-hero__text {
    max-width: 62ch;
  }

  .page-disclaimer .disc-clause__body > p,
  .page-disclaimer .disc-list {
    max-width: 70ch;
  }
}