.page-disclaimer {
  --terms-line: rgba(30, 78, 107, 0.4);
  --terms-line-soft: rgba(30, 78, 107, 0.28);
  --terms-soft: rgba(255, 194, 75, 0.18);
  background-color: var(--paper);
  color: var(--ink);
  padding: clamp(20px, 3vw, 40px) 0 clamp(56px, 8vw, 100px);
}

.page-disclaimer *,
.page-disclaimer *::before,
.page-disclaimer *::after {
  box-sizing: border-box;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}
.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--deep);
}
.page-disclaimer .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--deep);
}
.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  color: rgba(18, 62, 90, 0.4);
}
.page-disclaimer .breadcrumb a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}
.page-disclaimer .breadcrumb a:hover {
  color: var(--dim);
  border-bottom-color: var(--signal);
}

/* ---------- 页头 ---------- */
.terms-mast {
  position: relative;
  max-width: 62em;
  padding-bottom: clamp(24px, 3.5vw, 40px);
}
.terms-mast::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 84px;
  height: 3px;
  background: var(--signal);
}
.terms-mast__eyebrow {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
}
.terms-mast h1 {
  margin: 0 0 18px;
  font-family: var(--f-display);
  font-size: clamp(28px, 4.6vw, 50px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.06em;
  color: var(--abyss);
  max-width: 22ch;
}
.terms-mast__lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.9;
  color: var(--deep);
}
.terms-mast__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.terms-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border: 1px solid var(--terms-line-soft);
  border-radius: 2px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--deep);
  background: rgba(255, 255, 255, 0.6);
}
.terms-pill--signal {
  border-color: var(--signal);
  color: var(--dim);
  background: rgba(255, 122, 47, 0.1);
}

/* ---------- 顶部条带图 ---------- */
.page-disclaimer .terms-banner {
  margin: clamp(24px, 4vw, 40px) 0 clamp(36px, 5vw, 60px);
  border: 1px solid var(--terms-line-soft);
  border-radius: 2px;
  overflow: hidden;
  background: var(--deep);
}
.page-disclaimer .terms-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 左右分栏 ---------- */
.terms-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 44px);
  align-items: start;
}

/* ---------- 左侧要点索引 ---------- */
.terms-index {
  background: var(--hull);
  color: var(--mist);
  border: 1px solid var(--grid);
  border-radius: 2px;
  padding: clamp(18px, 2.4vw, 26px);
  scroll-margin-top: 24px;
}
.terms-index__title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid);
  font-family: var(--f-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--fade);
}
.terms-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.terms-index__item + .terms-index__item {
  border-top: 1px dashed rgba(30, 78, 107, 0.55);
}
.terms-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--fade);
  text-decoration: none;
  transition: color var(--t-fast) ease;
}
.terms-index__link:hover,
.terms-index__link:focus-visible {
  color: var(--signal);
}
.terms-index__link[aria-current="true"] {
  color: var(--signal);
}
.terms-index__link[aria-current="true"] .terms-index__num {
  opacity: 1;
}
.terms-index__num {
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--signal);
  opacity: 0.65;
  transition: opacity var(--t-fast) ease;
}

/* ---------- 右侧正文 ---------- */
.terms-body {
  min-width: 0;
}
.terms-sec {
  padding: clamp(24px, 3vw, 34px) 0;
  border-bottom: 1px dashed var(--terms-line);
  scroll-margin-top: 24px;
}
.terms-sec:first-child {
  padding-top: 0;
}
.terms-sec:last-child {
  border-bottom: 0;
}
.terms-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-bottom: 16px;
}
.terms-sec__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border: 1px solid var(--terms-line);
  border-radius: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--deep);
}
.terms-sec__title {
  flex: 1 1 auto;
  margin: 0;
  min-width: 0;
  font-family: var(--f-serif);
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--abyss);
}
.terms-back {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border: 1px solid var(--terms-line-soft);
  border-radius: 2px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--deep);
  text-decoration: none;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}
.terms-back:hover,
.terms-back:focus-visible {
  color: var(--dim);
  border-color: var(--signal);
}
.terms-sec p {
  margin: 0 0 12px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}
.terms-sec p:last-child {
  margin-bottom: 0;
}
.terms-sec a {
  color: var(--dim);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 80, 26, 0.35);
  transition: border-color var(--t-fast) ease, color var(--t-fast) ease;
}
.terms-sec a:hover,
.terms-sec a:focus-visible {
  border-bottom-color: var(--signal);
}
.terms-sec ul {
  margin: 0 0 12px;
  padding: 0;
  max-width: 40em;
  list-style: none;
}
.terms-sec li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}
.terms-sec li:last-child {
  margin-bottom: 0;
}
.terms-sec li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.8em;
  width: 7px;
  height: 7px;
  background: var(--signal);
}
.page-disclaimer .mono {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 2px;
  background: rgba(18, 62, 90, 0.09);
  font-family: var(--f-mono);
  font-size: 0.9em;
  color: var(--deep);
}

/* ---------- 责任范围提示条 ---------- */
.terms-callout {
  margin: 16px 0 14px;
  padding: 15px 18px;
  max-width: 42em;
  background: var(--terms-soft);
  border-left: 3px solid var(--amber);
}
.terms-callout p {
  margin: 0;
  max-width: none;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 联系块 ---------- */
.terms-contact {
  margin: 18px 0 16px;
  padding: 18px 20px;
  max-width: 42em;
  border: 1px solid var(--terms-line-soft);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.62);
}
.terms-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--terms-line-soft);
}
.terms-contact__row:first-child {
  padding-top: 0;
}
.terms-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.terms-contact__key {
  flex: 0 0 auto;
  min-width: 62px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--deep);
}
.terms-contact__val {
  flex: 1 1 12em;
  min-width: 0;
  font-family: var(--f-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--abyss);
  word-break: break-all;
}
.page-disclaimer .ghost-btn {
  flex: 0 0 auto;
  border-color: var(--terms-line-soft);
  color: var(--deep);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}
.page-disclaimer .ghost-btn:hover,
.page-disclaimer .ghost-btn:focus-visible {
  color: var(--dim);
  border-color: var(--signal);
}
.page-disclaimer .ghost-btn[data-copied] {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 收束说明 ---------- */
.terms-foot-note {
  margin-top: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--terms-line-soft);
  font-size: 14px;
  line-height: 1.85;
  color: var(--deep);
}

/* ---------- 响应式 ---------- */
@media (min-width: 960px) {
  .terms-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(40px, 5.5vw, 84px);
  }
  .terms-index {
    position: sticky;
    top: 24px;
  }
}

@media (max-width: 719px) {
  .terms-mast h1 {
    max-width: none;
  }
  .terms-sec__title {
    flex: 1 1 100%;
  }
  .terms-back {
    order: 3;
  }
  .terms-contact {
    padding: 14px 15px;
  }
  .terms-contact__key {
    min-width: 0;
  }
  .terms-contact__val {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-index__link,
  .page-disclaimer .terms-back,
  .page-disclaimer .breadcrumb a,
  .page-disclaimer .ghost-btn {
    transition: none;
  }
}