.page-disclaimer {
  --u-line: 1px solid var(--beige);
  --u-hover: #F5F0FB;
  --u-key-w: 196px;
}

.page-disclaimer section[id] {
  scroll-margin-top: 118px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  padding: clamp(84px, 11vw, 126px) 0 34px;
}

.page-disclaimer .usage-hero .eyebrow {
  margin-top: 20px;
}

.page-disclaimer .usage-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 6.2vw, 64px);
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--purple-deep);
  max-width: 15em;
}

.page-disclaimer .usage-lede {
  margin: 24px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}

.page-disclaimer .usage-jump {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .usage-jump a {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: var(--u-line);
  background: var(--warm-white);
  color: var(--purple-deep);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-disclaimer .usage-jump a:hover,
.page-disclaimer .usage-jump a:focus-visible {
  background: var(--purple-soft);
  border-color: var(--purple);
  color: var(--purple);
}

/* ---------- 条款章节 ---------- */
.page-disclaimer .clause-section {
  padding: clamp(36px, 5.6vw, 60px) 0;
  border-top: var(--u-line);
}

.page-disclaimer .clause-section--tips {
  padding-bottom: clamp(48px, 7vw, 84px);
}

.page-disclaimer .clause-head {
  display: grid;
  gap: 10px;
  max-width: 66ch;
  margin-bottom: 26px;
}

.page-disclaimer .clause-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--purple-deep);
}

.page-disclaimer .clause-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray);
}

.page-disclaimer .clause-list {
  display: grid;
}

.page-disclaimer .clause-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 17px 14px;
  border-bottom: var(--u-line);
  border-radius: var(--radius-sm);
  transition: background 0.2s var(--ease);
}

.page-disclaimer .clause-list .clause-item:first-child {
  border-top: var(--u-line);
}

.page-disclaimer .clause-item:hover {
  background: var(--u-hover);
}

.page-disclaimer .clause-key {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.page-disclaimer .clause-num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber-deep);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .clause-tag {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15.5px;
  color: var(--purple);
  letter-spacing: 0.01em;
}

.page-disclaimer .clause-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 版本示意 ---------- */
.page-disclaimer .usage-figure {
  margin: 30px 0 0;
}

.page-disclaimer .usage-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-disclaimer .usage-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--gray);
}

/* ---------- 建议抽屉 ---------- */
.page-disclaimer .usage-tips {
  border-top: var(--u-line);
  padding-top: 4px;
}

.page-disclaimer .usage-tips .drawer-trigger {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--purple-deep);
}

.page-disclaimer .usage-tips .drawer-body {
  padding-top: 6px;
}

.page-disclaimer .tips-grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 34px;
}

.page-disclaimer .tip-item {
  display: flex;
  gap: 11px;
  padding: 12px 0;
  border-bottom: var(--u-line);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-disclaimer .tip-item::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(168, 213, 162, 0.3);
}

/* ---------- 品牌收束 ---------- */
.page-disclaimer .usage-motto {
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 2px solid var(--purple-soft);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2.2vw, 22px);
  letter-spacing: 0.01em;
  color: var(--purple);
}

/* ---------- 中屏以上 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .clause-item {
    grid-template-columns: var(--u-key-w) 1fr;
    align-items: baseline;
    gap: 0 26px;
    padding: 20px 18px;
  }

  .page-disclaimer .tips-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .usage-jump {
    margin-top: 34px;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .usage-hero {
    padding-top: 138px;
  }

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

  .page-disclaimer .usage-figure {
    margin-top: 38px;
  }
}

@media (max-width: 420px) {
  .page-disclaimer .usage-jump a {
    padding: 6px 12px;
    font-size: 12.5px;
  }

  .page-disclaimer .clause-item {
    padding: 15px 10px;
  }
}