.page-disclaimer {
  --term-shell: 760px;
  --term-rule: rgba(20, 22, 28, .14);
  background: var(--paper);
  color: var(--body);
}

/* ============ 首屏契约色带 ============ */
.page-disclaimer .terms-band {
  position: relative;
  overflow: hidden;
  background: var(--indigo);
  border-bottom: 2px solid var(--ink);
  padding: calc(var(--header-h) + 38px) 0 46px;
}

.page-disclaimer .terms-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(245, 240, 230, .06) 0 1px,
    transparent 1px 46px
  );
  pointer-events: none;
}

.page-disclaimer .terms-band::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: var(--gold);
}

.page-disclaimer .terms-band-grid {
  position: relative;
  display: grid;
  gap: 32px;
}

.page-disclaimer .terms-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 24px;
  font-size: 13px;
  letter-spacing: .06em;
  color: rgba(245, 240, 230, .6);
}

.page-disclaimer .terms-crumbs a {
  color: rgba(245, 240, 230, .88);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}

.page-disclaimer .terms-crumbs a:hover {
  color: var(--white);
  border-bottom-color: var(--teal);
}

.page-disclaimer .terms-crumbs .crumbs-sep {
  color: rgba(245, 240, 230, .4);
}

.page-disclaimer .terms-crumbs [aria-current="page"] {
  color: var(--gold);
}

.page-disclaimer .terms-doc {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-disclaimer .terms-title {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 8vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .terms-lead {
  max-width: 44ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.86;
  color: rgba(245, 240, 230, .84);
}

.page-disclaimer .terms-band-figure {
  margin: 0;
}

.page-disclaimer .terms-band-figure .figure-frame {
  border: 2px solid rgba(245, 240, 230, .34);
  background: rgba(13, 18, 32, .45);
}

.page-disclaimer .terms-band-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-disclaimer .terms-band-figure .figure-cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: rgba(245, 240, 230, .55);
}

@media (min-width: 900px) {
  .page-disclaimer .terms-band {
    padding: calc(var(--header-h) + 66px) 0 64px;
  }
  .page-disclaimer .terms-band-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: end;
    gap: 56px;
  }
}

/* ============ 目录索引条 ============ */
.page-disclaimer .terms-toc {
  background: var(--paper-2);
  border-bottom: 2px solid var(--ink);
  padding: 20px 0 18px;
}

.page-disclaimer .toc-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.page-disclaimer .toc-list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 0 6px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-disclaimer .toc-list::-webkit-scrollbar {
  height: 4px;
}

.page-disclaimer .toc-list::-webkit-scrollbar-thumb {
  background: rgba(20, 22, 28, .28);
}

.page-disclaimer .toc-list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-disclaimer .toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 14px;
  background: var(--white);
  border: 2px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: box-shadow .25s var(--ease), border-color .25s var(--ease);
}

.page-disclaimer .toc-list a:hover,
.page-disclaimer .toc-list a:focus-visible {
  border-color: var(--teal-deep);
  box-shadow: inset 0 -3px 0 var(--teal);
}

.page-disclaimer .toc-no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--gold-deep);
}

/* ============ 条款正文 ============ */
.page-disclaimer .terms-body {
  padding: 52px 0 72px;
}

.page-disclaimer .terms-shell {
  max-width: var(--term-shell);
  margin: 0 auto;
}

.page-disclaimer .clause {
  padding: 30px 0;
  border-top: 1px solid var(--term-rule);
  scroll-margin-top: calc(var(--header-h) + 22px);
}

.page-disclaimer .clause:first-child {
  padding-top: 34px;
  border-top: 2px solid var(--ink);
}

.page-disclaimer .clause:target {
  background: rgba(15, 181, 165, .08);
  box-shadow: inset 4px 0 0 var(--teal);
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}

.page-disclaimer .clause-no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold-deep);
}

.page-disclaimer .clause-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.22rem, 4vw, 1.7rem);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-disclaimer .clause p {
  margin: 0 0 14px;
  font-size: 1.0625rem;
  line-height: 1.86;
}

.page-disclaimer .clause p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause a {
  color: var(--teal-deep);
  text-decoration: none;
  border-bottom: 2px solid rgba(10, 127, 118, .32);
  transition: border-color .25s var(--ease);
}

.page-disclaimer .clause a:hover {
  border-bottom-color: var(--teal);
}

/* 三种引用方式 */
.page-disclaimer .usage-list {
  display: grid;
  gap: 14px;
  margin: 4px 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 16px;
  background: var(--paper-3);
  border-left: 4px solid var(--indigo);
}

.page-disclaimer .usage-list p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.8;
}

.page-disclaimer .usage-tag {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--indigo);
}

@media (min-width: 620px) {
  .page-disclaimer .usage-list li {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
  }
  .page-disclaimer .usage-tag {
    padding-top: 3px;
  }
}

/* 禁止行为清单 */
.page-disclaimer .ban-grid {
  display: grid;
  gap: 13px;
  margin: 16px 0 0;
}

@media (min-width: 760px) {
  .page-disclaimer .ban-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-disclaimer .ban-item {
  border: 2px solid var(--ink);
  background: var(--white);
  transition: box-shadow .25s var(--ease), background-color .25s var(--ease);
}

.page-disclaimer .ban-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .ban-item summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .ban-item summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.35;
  color: var(--gold-deep);
}

.page-disclaimer .ban-item[open] {
  background: var(--paper-3);
  box-shadow: var(--hard);
}

.page-disclaimer .ban-item[open] summary {
  border-bottom: 1px solid var(--term-rule);
}

.page-disclaimer .ban-item[open] summary::before {
  content: "–";
  color: var(--teal-deep);
}

.page-disclaimer .ban-item p {
  margin: 0;
  padding: 14px 18px 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--body);
}

.page-disclaimer .ban-item summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

/* 页尾快捷 */
.page-disclaimer .terms-foot {
  display: grid;
  gap: 18px;
  margin-top: 46px;
  padding: 24px 22px;
  background: var(--paper-2);
  border: 2px solid var(--ink);
}

.page-disclaimer .terms-foot p {
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink);
}

.page-disclaimer .terms-foot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .terms-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  background: var(--indigo);
  border: 2px solid var(--ink);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-disclaimer .terms-btn:hover {
  background: var(--midnight);
}

.page-disclaimer .terms-btn.is-quiet {
  background: var(--white);
  color: var(--ink);
}

.page-disclaimer .terms-btn.is-quiet:hover {
  background: var(--white);
  box-shadow: inset 0 -3px 0 var(--teal);
}

@media (min-width: 760px) {
  .page-disclaimer .terms-body {
    padding: 84px 0 100px;
  }
  .page-disclaimer .clause {
    padding: 36px 0;
  }
  .page-disclaimer .terms-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    margin-top: 56px;
    padding: 30px 34px;
  }
  .page-disclaimer .terms-foot-actions {
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-list a,
  .page-disclaimer .terms-btn,
  .page-disclaimer .ban-item,
  .page-disclaimer .terms-crumbs a,
  .page-disclaimer .clause a {
    transition: none;
  }
}