.page-disclaimer {
  --pd-hair: rgba(47, 227, 206, .055);
  --pd-dash: rgba(11, 18, 32, .16);
  padding-bottom: clamp(56px, 9vw, 120px);
}

/* ── 首屏 ───────────────────────────────────────── */
.page-disclaimer .usage-hero {
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(20px, 3vw, 34px);
}

.page-disclaimer .usage-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-disclaimer .usage-hero__title {
  margin: 16px 0 0;
  max-width: 18em;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(33px, 7.2vw, 74px);
  line-height: 1.03;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-disclaimer .usage-hero__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

/* ── 横幅 ───────────────────────────────────────── */
.page-disclaimer .banner {
  margin: 0;
}

.page-disclaimer .banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ── 顶部锚点索引 ───────────────────────────────── */
.page-disclaimer .usage-index {
  margin-top: clamp(16px, 3vw, 28px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--rock);
}

.page-disclaimer .usage-index__list {
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 2.6vw, 38px);
  margin: 0;
  padding: 14px 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-disclaimer .usage-index__list::-webkit-scrollbar {
  height: 3px;
}

.page-disclaimer .usage-index__list::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-disclaimer .usage-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  font-size: 14px;
  color: var(--silver);
  text-decoration: none;
  transition: color var(--t), border-color var(--t);
}

.page-disclaimer .usage-index__link:hover,
.page-disclaimer .usage-index__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .usage-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--frost);
  transition: color var(--t);
}

.page-disclaimer .usage-index__link:hover .usage-index__no,
.page-disclaimer .usage-index__link:focus-visible .usage-index__no {
  color: var(--cyan);
}

/* ── 主体 ───────────────────────────────────────── */
.page-disclaimer .usage-body {
  padding-top: clamp(36px, 6vw, 80px);
}

.page-disclaimer .clause-group {
  scroll-margin-top: 96px;
}

.page-disclaimer .clause-group + .clause-group {
  margin-top: clamp(46px, 7vw, 96px);
}

.page-disclaimer .clause-group__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--frost);
}

/* ── 条款卡片 ───────────────────────────────────── */
.page-disclaimer .clause-list {
  margin-top: clamp(18px, 2.6vw, 30px);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  background-image: linear-gradient(90deg, var(--pd-hair), rgba(47, 227, 206, 0) 62%);
  background-repeat: no-repeat;
  background-size: 0 100%;
  transition: background-size var(--t), border-color var(--t);
}

.page-disclaimer .clause:hover,
.page-disclaimer .clause:focus-within {
  background-size: 100% 100%;
  border-top-color: var(--cyan);
}

.page-disclaimer .clause__no {
  order: -1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--frost);
  transition: color var(--t);
}

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

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

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: .015em;
  color: var(--paper);
}

.page-disclaimer .clause__text {
  margin: 10px 0 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-disclaimer .clause__text + .clause__text {
  margin-top: 10px;
}

.page-disclaimer .clause__text a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--t), border-color var(--t);
}

.page-disclaimer .clause__text a:hover,
.page-disclaimer .clause__text a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .clause__sample {
  margin: 12px 0 0;
  padding: 11px 14px;
  border-left: 2px solid var(--cyan);
  background: rgba(47, 227, 206, .06);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ── 纸面提示块 ─────────────────────────────────── */
.page-disclaimer .notice {
  margin-top: clamp(18px, 3vw, 30px);
  padding: clamp(20px, 3vw, 32px);
  background: var(--paper);
  border-left: 3px solid var(--cyan);
}

.page-disclaimer .notice__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--clay);
}

.page-disclaimer .notice__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .notice__item {
  position: relative;
  padding: 11px 0 11px 22px;
  border-top: 1px dashed var(--pd-dash);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-disclaimer .notice__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .notice__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 9px;
  height: 1px;
  background: var(--clay);
}

.page-disclaimer .notice__item:first-child::before {
  top: calc(50% - 5px);
}

/* ── 折叠面板 ───────────────────────────────────── */
.page-disclaimer .panel-wrap {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-disclaimer .panel {
  padding: 0;
}

.page-disclaimer .flow-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .flow-list__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-disclaimer .flow-list__no {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

/* ── 联络信息条 ─────────────────────────────────── */
.page-disclaimer .contact-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line);
  background: var(--line);
}

.page-disclaimer .contact-strip__cell {
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--rock);
  transition: background-color var(--t);
}

.page-disclaimer .contact-strip__cell:hover {
  background: #1a2534;
}

.page-disclaimer .contact-strip__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--frost);
}

.page-disclaimer .contact-strip__value {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ── 断点 ───────────────────────────────────────── */
@media (min-width: 640px) {
  .page-disclaimer .contact-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .notice__item {
    font-size: 15.5px;
  }
}

@media (min-width: 860px) {
  .page-disclaimer .clause {
    grid-template-columns: minmax(0, 1fr) 84px;
    gap: 0 clamp(18px, 3vw, 44px);
    padding: 27px 0;
  }

  .page-disclaimer .clause__no {
    order: 2;
    padding-top: 5px;
    text-align: right;
    font-size: 12px;
  }

  .page-disclaimer .clause__body {
    order: 1;
  }

  .page-disclaimer .contact-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .clause-group__lede {
    font-size: 16px;
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .usage-hero__title {
    font-size: clamp(56px, 5.6vw, 74px);
  }

  .page-disclaimer .clause {
    grid-template-columns: minmax(0, 1fr) 96px;
  }
}