/* ===== 使用说明页 · page-disclaimer ===== */

.page-disclaimer {
  --disc-hair: rgba(28, 31, 36, .15);
  --disc-hair-strong: rgba(28, 31, 36, .34);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
  padding-block: clamp(18px, 3vw, 32px) clamp(32px, 5vw, 62px);
}

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

.page-disclaimer .disc-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 6.2vw, 58px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: .01em;
  margin: 14px 0 18px;
}

.page-disclaimer .disc-hero .lede {
  max-width: 42em;
}

.page-disclaimer .disc-hero__stamp {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: rgba(28, 31, 36, .72);
}

.page-disclaimer .disc-hero__stamp span {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.page-disclaimer .disc-hero__stamp span::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bb-orange);
  margin-right: 9px;
}

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

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

.page-disclaimer .disc-hero__cap {
  font-family: var(--font-hand);
  font-size: 17px;
  line-height: 1.5;
  color: var(--bb-red);
  margin-top: 12px;
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: clamp(28px, 4vw, 60px);
  }
  .page-disclaimer .disc-hero__figure {
    margin-bottom: 8px;
  }
}

/* ---------- 条款索引胶囊 ---------- */

.page-disclaimer .disc-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: clamp(22px, 3vw, 38px);
}

.page-disclaimer .disc-index a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  border: 1px solid var(--disc-hair);
  border-radius: 999px;
  color: var(--bb-ink);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}

.page-disclaimer .disc-index a:hover,
.page-disclaimer .disc-index a:focus-visible {
  background: var(--bb-blue);
  border-color: var(--bb-blue);
  color: #fff;
  transform: translateY(-2px);
}

.page-disclaimer .disc-index__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  opacity: .7;
}

/* ---------- 条款主体 ---------- */

.page-disclaimer .disc-clause {
  display: grid;
  gap: 10px;
  padding-block: clamp(26px, 4vw, 48px);
  border-top: 1px solid var(--disc-hair);
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-disclaimer .disc-clause__num {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.4vw, 56px);
  font-weight: 700;
  line-height: .85;
  letter-spacing: .06em;
  font-variant-numeric: tabular-nums;
  color: var(--bb-orange);
}

.page-disclaimer .disc-clause__num::after {
  content: "";
  display: block;
  width: 30px;
  height: 3px;
  margin-top: 13px;
  border-radius: 2px;
  background: var(--bb-red);
}

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

.page-disclaimer .disc-clause__body h2 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.8vw, 27px);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: .01em;
  margin: 0 0 14px;
}

.page-disclaimer .disc-clause__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--bb-ink);
}

.page-disclaimer .disc-clause__body p + p {
  margin-top: 12px;
}

.page-disclaimer .disc-clause__body a {
  color: var(--bb-blue);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color .16s ease;
}

.page-disclaimer .disc-clause__body a:hover,
.page-disclaimer .disc-clause__body a:focus-visible {
  color: var(--bb-orange);
  text-decoration-style: solid;
}

.page-disclaimer .disc-clause__ref {
  display: inline-block;
  margin-top: 18px !important;
  padding: 6px 15px;
  border: 1px dashed var(--disc-hair-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: rgba(28, 31, 36, .74);
}

.page-disclaimer .disc-clause__ref a {
  color: var(--bb-blue);
  text-decoration: none !important;
  border-bottom: 1px solid currentColor;
}

.page-disclaimer .disc-clause__ref a:hover,
.page-disclaimer .disc-clause__ref a:focus-visible {
  color: var(--bb-orange);
}

@media (min-width: 860px) {
  .page-disclaimer .disc-clause {
    grid-template-columns: 106px minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 56px);
    align-items: start;
    padding-block: clamp(34px, 4.2vw, 62px);
  }
  .page-disclaimer .disc-clause__num {
    margin-top: 2px;
  }
}

/* ---------- 取用顺序色带 ---------- */

.page-disclaimer .disc-rank {
  list-style: none;
  margin: 22px 0 22px;
  padding: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-disclaimer .disc-rank__item {
  display: grid;
  gap: 4px 18px;
  padding: 18px clamp(18px, 3vw, 30px);
  color: #fff;
  transition: transform .22s ease, filter .22s ease;
}

@media (min-width: 640px) {
  .page-disclaimer .disc-rank__item {
    grid-template-columns: 52px minmax(0, 1fr);
    align-items: center;
  }
  .page-disclaimer .disc-rank__index {
    grid-row: 1 / span 2;
  }
}

.page-disclaimer .disc-rank__item:hover,
.page-disclaimer .disc-rank__item:focus-within {
  transform: translateX(5px);
  filter: brightness(1.08);
}

.page-disclaimer .disc-rank__item--1 {
  background: var(--bb-indigo);
}

.page-disclaimer .disc-rank__item--2 {
  background: var(--bb-blue);
}

.page-disclaimer .disc-rank__item--3 {
  background: var(--bb-gray);
  color: var(--bb-ink);
}

.page-disclaimer .disc-rank__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  opacity: .72;
}

.page-disclaimer .disc-rank__title {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 600;
  line-height: 1.4;
}

.page-disclaimer .disc-rank__note {
  font-size: 13px;
  line-height: 1.7;
  opacity: .84;
}

/* ---------- 四字停顿带 ---------- */

.page-disclaimer .disc-pause {
  margin-block: clamp(16px, 3vw, 34px);
  padding: clamp(46px, 11vw, 124px) clamp(20px, 4vw, 56px);
  background: var(--bb-indigo);
  border-radius: var(--r-xl);
  text-align: center;
}

.page-disclaimer .disc-pause__word {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(54px, 16vw, 168px);
  font-weight: 700;
  line-height: .94;
  letter-spacing: .12em;
  text-indent: .12em;
  color: #fff;
}

.page-disclaimer .disc-pause__word em {
  font-style: normal;
  color: var(--bb-orange);
}

.page-disclaimer .disc-pause__note {
  margin: clamp(18px, 3vw, 32px) 0 0;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--bb-on-dark-soft);
}

/* ---------- 提交与响应 ---------- */

.page-disclaimer .disc-close__panel {
  padding: clamp(26px, 4vw, 54px);
  border-radius: var(--r-xl);
  background: var(--bb-blue);
  color: #fff;
}

.page-disclaimer .disc-close__panel h2 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 14px;
  color: #fff;
}

.page-disclaimer .disc-close__panel > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--bb-on-dark);
  max-width: 44em;
}

.page-disclaimer .disc-close__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .page-disclaimer .disc-close__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 36px;
  }
}

.page-disclaimer .disc-close__list li {
  display: grid;
  gap: 5px;
  padding-top: 13px;
  border-top: 1px solid rgba(255, 255, 255, .26);
}

.page-disclaimer .disc-close__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bb-on-dark-soft);
}

.page-disclaimer .disc-close__val {
  font-size: 15px;
  line-height: 1.7;
  color: #fff;
  word-break: break-word;
}

.page-disclaimer .disc-close__foot {
  margin: 26px 0 0;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--bb-on-dark-soft);
}

.page-disclaimer .disc-close__foot a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-close__foot a:hover,
.page-disclaimer .disc-close__foot a:focus-visible {
  color: var(--bb-yellow);
}