/* ===================== 使用协议页 · 条文式排版 ===================== */
.page-disclaimer {
  --doc-measure: 44rem;
  --doc-rule: 56px;
  --doc-tooltip-bg: var(--c-violet-soft);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .clause-masthead__eyebrow {
  margin: clamp(26px, 4.5vw, 52px) 0 0;
  color: var(--c-violet-soft);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.page-disclaimer .clause-masthead__title {
  margin: clamp(12px, 1.6vw, 20px) 0 0;
  font-size: clamp(2.1rem, 5.6vw, 4.2rem);
  font-weight: 350;
  line-height: 1.06;
  letter-spacing: 0.06em;
  color: var(--c-white);
}

.page-disclaimer .clause-masthead__intro {
  margin: clamp(20px, 3vw, 32px) 0 0;
  max-width: var(--doc-measure);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(233, 237, 248, 0.82);
}

.page-disclaimer .clause-masthead__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 28px);
  margin: clamp(34px, 5vw, 58px) 0 0;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--c-orbit);
}

.page-disclaimer .clause-fact dt {
  color: var(--c-grey);
  font-size: 11px;
  letter-spacing: 0.2em;
}

.page-disclaimer .clause-fact dd {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-white);
}

/* ---------- 首屏下方示意图 ---------- */
.page-disclaimer .clause-visual {
  margin: clamp(40px, 6vw, 76px) 0 0;
}

.page-disclaimer .clause-visual .media-frame__caption {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-grey);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .clause-index {
  margin-top: var(--band);
}

.page-disclaimer .clause-index__head {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 24px);
}

.page-disclaimer .clause-index__label {
  flex: none;
  color: var(--c-grey);
  font-size: 11px;
  letter-spacing: 0.24em;
  white-space: nowrap;
}

.page-disclaimer .clause-index__rule {
  flex: 1 1 auto;
  min-width: 40px;
}

.page-disclaimer .clause-index__list {
  display: grid;
  grid-template-columns: 1fr;
  margin: clamp(18px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause-index__link {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--c-orbit);
  color: var(--c-white);
  text-decoration: none;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-disclaimer .clause-index__link:hover,
.page-disclaimer .clause-index__link:focus-visible {
  color: var(--c-violet-soft);
  border-bottom-color: var(--c-violet);
}

.page-disclaimer .clause-index__num {
  flex: none;
  color: var(--c-violet-soft);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-disclaimer .clause-index__name {
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- 章节 ---------- */
.page-disclaimer .clause-section {
  margin-top: var(--band);
  scroll-margin-top: 132px;
}

.page-disclaimer .clause-section__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 24px);
}

.page-disclaimer .clause-section__idx {
  flex: none;
  color: var(--c-violet-soft);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-disclaimer .clause-section__title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.15rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.06em;
  color: var(--c-white);
}

.page-disclaimer .clause-section__rule {
  width: var(--doc-rule);
  height: 2px;
  margin: clamp(14px, 2vw, 20px) 0 clamp(24px, 3.4vw, 40px);
  background: var(--c-violet);
}

.page-disclaimer .clause-section__body {
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
  max-width: calc(var(--doc-measure) + 3rem);
}

/* ---------- 条文条目 ---------- */
.page-disclaimer .clause-item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  column-gap: 12px;
  align-items: start;
}

.page-disclaimer .clause-item__num {
  position: relative;
  color: var(--c-grey);
  font-size: 13px;
  letter-spacing: 0.12em;
  line-height: 1.9;
  transition: color var(--t-fast) ease;
}

.page-disclaimer .clause-item__num::after {
  content: attr(data-chapter);
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 6;
  padding: 5px 9px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--c-deep);
  background: var(--doc-tooltip-bg);
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity var(--t-fast) ease, transform var(--t-fast) ease;
}

.page-disclaimer .clause-item__num:hover,
.page-disclaimer .clause-item__num:focus-visible {
  color: var(--c-violet-soft);
}

.page-disclaimer .clause-item__num:hover::after,
.page-disclaimer .clause-item__num:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.page-disclaimer .clause-item__body {
  min-width: 0;
}

.page-disclaimer .clause-item__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(233, 237, 248, 0.85);
}

.page-disclaimer .clause-item__text a {
  color: var(--c-violet-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color var(--t-fast) ease;
}

.page-disclaimer .clause-item__text a:hover {
  color: var(--c-white);
}

.page-disclaimer .clause-limit {
  color: var(--c-orange);
  letter-spacing: 0.02em;
}

/* ---------- 条文内的折叠细则 ---------- */
.page-disclaimer .clause-more > summary {
  display: block;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(233, 237, 248, 0.85);
}

.page-disclaimer .clause-more > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause-more__cue {
  display: inline-block;
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  white-space: nowrap;
  color: var(--c-violet-soft);
  border-bottom: 1px solid rgba(183, 156, 255, 0.45);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-disclaimer .clause-more > summary:hover .clause-more__cue {
  color: var(--c-white);
  border-bottom-color: var(--c-white);
}

.page-disclaimer .clause-more__cue-close {
  display: none;
}

.page-disclaimer .clause-more[open] .clause-more__cue-open {
  display: none;
}

.page-disclaimer .clause-more[open] .clause-more__cue-close {
  display: inline;
}

.page-disclaimer .clause-more > p {
  margin: 12px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-orbit);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(233, 237, 248, 0.72);
}

/* ---------- 收束区 ---------- */
.page-disclaimer .clause-closing {
  margin-top: var(--band);
}

.page-disclaimer .clause-closing__inner {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 56px);
}

.page-disclaimer .clause-closing__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-violet) 0%, var(--c-nebula) 46%, transparent 100%);
}

.page-disclaimer .clause-closing__title {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--c-white);
}

.page-disclaimer .clause-closing__text {
  margin: 18px 0 0;
  max-width: 40rem;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(233, 237, 248, 0.82);
}

.page-disclaimer .clause-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 34px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-disclaimer .clause-item {
    grid-template-columns: 4.25rem minmax(0, 1fr);
    column-gap: clamp(14px, 2vw, 26px);
  }
}

@media (min-width: 720px) {
  .page-disclaimer .clause-masthead__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(24px, 4vw, 64px);
  }
}

@media (min-width: 840px) {
  .page-disclaimer .clause-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 5vw, 72px);
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .clause-section {
    padding-right: clamp(0px, 8vw, 160px);
  }

  .page-disclaimer .clause-closing__inner {
    max-width: 58rem;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-index__link,
  .page-disclaimer .clause-item__num,
  .page-disclaimer .clause-item__num::after,
  .page-disclaimer .clause-item__text a,
  .page-disclaimer .clause-more__cue {
    transition-duration: 0.01ms;
  }
}
</PAGE_CSS>