.page-disclaimer {
  --clause-num-w: 3.6rem;
  --clause-gap: 1.25rem;
  --clause-rule: 1px solid var(--line);
  background: var(--ink-900);
  color: var(--text);
  overflow-x: hidden;
}

.page-disclaimer .page-anchor {
  display: block;
  height: 0;
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-disclaimer a:focus-visible,
.page-disclaimer button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 页头：档案标签 + 条款声明 ---------- */
.page-disclaimer .protocol-head {
  position: relative;
  padding: clamp(1.8rem, 5vw, 3.8rem) 0 clamp(1.5rem, 3.5vw, 2.6rem);
  background:
    radial-gradient(760px 300px at 88% -20%, rgba(55, 231, 211, .12), transparent 72%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .breadcrumbs {
  margin-bottom: clamp(1.3rem, 3vw, 2.1rem);
}

.page-disclaimer .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-disclaimer .crumbs-list li {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.page-disclaimer .crumbs-list li + li::before {
  content: "/";
  color: var(--line);
}

.page-disclaimer .crumbs-list a {
  color: var(--muted);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-disclaimer .crumbs-list a:hover {
  color: var(--cyan);
}

.page-disclaimer .crumbs-current {
  color: var(--text);
}

.page-disclaimer .protocol-head-grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-disclaimer .protocol-title {
  margin: .85rem 0 0;
  line-height: 1.05;
}

.page-disclaimer .protocol-lede {
  margin: 1.05rem 0 0;
  max-width: 46ch;
}

.page-disclaimer .protocol-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.35rem;
}

.page-disclaimer .protocol-head-aside {
  display: grid;
  gap: 1.2rem;
  min-width: 0;
}

.page-disclaimer .file-tag {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
}

.page-disclaimer .protocol-meta {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .protocol-meta-row {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  gap: .8rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .protocol-meta dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-disclaimer .protocol-meta dd {
  margin: 0;
  font-size: .86rem;
  line-height: 1.6;
  color: var(--text);
}

/* ---------- 通栏档案图 ---------- */
.page-disclaimer .protocol-figure {
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
}

.page-disclaimer .protocol-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-disclaimer .protocol-figure .media-cap {
  display: block;
  margin-top: .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 主体栅格：正文左偏 + 窄注栏 ---------- */
.page-disclaimer .protocol-shell {
  padding: clamp(2rem, 5vw, 3.6rem) 0 0;
}

.page-disclaimer .protocol-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3rem);
}

.page-disclaimer .protocol-main,
.page-disclaimer .protocol-aside {
  min-width: 0;
}

/* ---------- 条款区块 ---------- */
.page-disclaimer .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .45rem;
  padding: 1.7rem 0 1.9rem;
  border-top: var(--clause-rule);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-disclaimer .clause-num {
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .16em;
  line-height: 1.6;
  color: var(--ember);
}

.page-disclaimer .clause-title {
  margin: 0 0 .85rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.14rem, 2vw, 1.4rem);
  letter-spacing: -.01em;
  line-height: 1.32;
  color: var(--text);
}

.page-disclaimer .clause-body {
  min-width: 0;
}

.page-disclaimer .clause-body p {
  margin: 0 0 .9rem;
  max-width: 68ch;
  font-size: clamp(.95rem, 1.02vw, 1.02rem);
  line-height: 1.82;
  color: var(--muted);
  overflow-wrap: break-word;
}

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

.page-disclaimer .clause-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 231, 211, .35);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

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

.page-disclaimer .clause-body ul {
  margin: .2rem 0 1rem;
  padding: 0;
  list-style: none;
  max-width: 68ch;
}

.page-disclaimer .clause-body li {
  position: relative;
  padding-left: 1.15rem;
  margin: .4rem 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .clause-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: .5rem;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .notice-line {
  margin: 1.15rem 0 .2rem;
  padding: .7rem 0 .7rem 1rem;
  max-width: 68ch;
  border-left: 2px solid var(--ember);
  background: linear-gradient(90deg, rgba(228, 87, 46, .10), rgba(228, 87, 46, 0) 76%);
  font-size: .93rem;
  font-weight: 700;
  line-height: 1.75;
  color: var(--text);
}

.page-disclaimer .clause-key {
  margin: 1.2rem 0 .9rem;
  padding: 1rem 1.15rem;
  max-width: 68ch;
  border: 1px solid var(--line);
  border-left: 2px solid var(--ember);
  border-radius: 2px;
  background: linear-gradient(120deg, rgba(21, 39, 66, .9), rgba(11, 21, 38, .92));
}

.page-disclaimer .clause-key p {
  margin: 0;
  max-width: 64ch;
  color: var(--text);
  font-weight: 500;
}

/* ---------- 折叠补充说明 ---------- */
.page-disclaimer .acc {
  margin: 1.1rem 0 .2rem;
  max-width: 68ch;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--ink-800);
}

.page-disclaimer .acc-item + .acc-item {
  border-top: 1px solid var(--line);
}

.page-disclaimer .acc-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  margin: 0;
  padding: .9rem 1.1rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: .92rem;
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  color: var(--text);
  transition: color .18s var(--ease);
}

.page-disclaimer .acc-trigger:hover {
  color: var(--cyan);
}

.page-disclaimer .acc-panel {
  padding: 0 1.1rem 1.05rem;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .acc-panel p {
  margin: 0 0 .6rem;
  max-width: 64ch;
}

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

.page-disclaimer .acc-sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-disclaimer .acc-sign::before,
.page-disclaimer .acc-sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform .18s var(--ease), background .18s var(--ease);
}

.page-disclaimer .acc-sign::before {
  left: 0;
  top: 6.5px;
  width: 14px;
  height: 1.5px;
}

.page-disclaimer .acc-sign::after {
  left: 6.5px;
  top: 0;
  width: 1.5px;
  height: 14px;
}

.page-disclaimer .acc-item.is-open .acc-sign::before {
  background: var(--gold);
}

.page-disclaimer .acc-item.is-open .acc-sign::after {
  background: var(--gold);
  transform: scaleY(0);
}

.page-disclaimer .acc-item.is-open .acc-trigger {
  color: var(--gold);
}

/* ---------- 联系方式块 ---------- */
.page-disclaimer .contact-block {
  margin: 1.2rem 0 1rem;
  max-width: 62ch;
  border: 1px solid var(--line);
  border-left: 2px solid var(--ember);
  border-radius: 2px;
  background: var(--ink-800);
  padding: .4rem 1.1rem;
}

/* ---------- 窄注栏 ---------- */
.page-disclaimer .protocol-aside {
  display: grid;
  gap: 1.8rem;
  align-content: start;
}

.page-disclaimer .clause-index {
  padding-top: .9rem;
  border-top: 2px solid var(--ember);
}

.page-disclaimer .clause-index .eyebrow {
  margin: 0 0 .5rem;
}

.page-disclaimer .clause-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause-index-list li {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause-index-list a {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .56rem 0;
  font-size: .87rem;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}

.page-disclaimer .clause-index-list a span {
  flex: none;
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-disclaimer .clause-index-list a:hover,
.page-disclaimer .clause-index-list a:focus-visible {
  color: var(--text);
  padding-left: .28rem;
}

.page-disclaimer .aside-block {
  padding-top: .9rem;
  border-top: 1px solid var(--line);
}

.page-disclaimer .aside-block .eyebrow {
  margin: 0 0 .35rem;
}

.page-disclaimer .aside-links {
  display: grid;
  gap: .1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .aside-links a {
  position: relative;
  display: inline-block;
  padding: .3rem 0;
  font-size: .88rem;
  line-height: 1.6;
  color: var(--muted);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-disclaimer .aside-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: .08rem;
  width: 100%;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s var(--ease), background .2s var(--ease);
}

.page-disclaimer .aside-links a:hover {
  color: var(--text);
}

.page-disclaimer .aside-links a:hover::after,
.page-disclaimer .aside-links a:focus-visible::after {
  transform: scaleX(1);
  background: var(--ember);
}

/* ---------- 页尾收口 ---------- */
.page-disclaimer .protocol-end {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: 1.6rem 0 clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
}

.page-disclaimer .protocol-legal {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-disclaimer .to-top {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .85rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--cyan);
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-disclaimer .to-top:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 680px) {
  .page-disclaimer .clause {
    grid-template-columns: var(--clause-num-w) minmax(0, 1fr);
    gap: var(--clause-gap);
    padding: 2.25rem 0 2.4rem;
  }

  .page-disclaimer .clause-num {
    padding-right: 1rem;
    text-align: right;
    border-right: 1px solid var(--line);
  }

  .page-disclaimer .protocol-end {
    justify-content: space-between;
  }
}

@media (min-width: 860px) {
  .page-disclaimer .protocol-head-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .protocol-grid {
    grid-template-columns: minmax(0, 7.5fr) minmax(0, 3fr);
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: start;
  }

  .page-disclaimer .protocol-aside {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition: none !important;
    animation: none !important;
  }
}